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/regmap.h> 19#include <linux/regulator/consumer.h> 20#include <linux/slab.h> 21#include <linux/vmalloc.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 54static const struct cs_dsp_client_ops wm_adsp1_client_ops; 55static 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 73static 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 89struct 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 102struct wm_halo_system_config_xm_hdr { 103 __be32 halo_heartbeat; 104 __be32 build_job_name[3]; 105 __be32 build_job_number; 106} __packed; 107 108struct 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 119struct 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 125struct 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 146struct wm_adsp_compr; 147 148struct 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 165struct 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 199static int wm_adsp_buffer_init(struct wm_adsp *dsp); 200static int wm_adsp_buffer_free(struct wm_adsp *dsp); 201 202struct 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 209struct wm_adsp_buffer_region_def { 210 unsigned int mem_type; 211 unsigned int base_offset; 212 unsigned int size_offset; 213}; 214 215static 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 233struct 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 240static 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 254static 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 272static 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 310struct 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 317int 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} 328EXPORT_SYMBOL_GPL(wm_adsp_fw_get); 329 330int 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} 355EXPORT_SYMBOL_GPL(wm_adsp_fw_put); 356 357const 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}; 366EXPORT_SYMBOL_GPL(wm_adsp_fw_enum); 367 368static 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 373static 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 398static 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 415static 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 void *scratch; 423 int ret = 0; 424 425 scratch = vmalloc(size); 426 if (!scratch) 427 return -ENOMEM; 428 429 if (copy_from_user(scratch, bytes, size)) { 430 ret = -EFAULT; 431 } else { 432 mutex_lock(&cs_ctl->dsp->pwr_lock); 433 ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, scratch, size); 434 mutex_unlock(&cs_ctl->dsp->pwr_lock); 435 } 436 vfree(scratch); 437 438 return ret; 439} 440 441static int wm_coeff_put_acked(struct snd_kcontrol *kctl, 442 struct snd_ctl_elem_value *ucontrol) 443{ 444 struct soc_bytes_ext *bytes_ext = 445 (struct soc_bytes_ext *)kctl->private_value; 446 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 447 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 448 unsigned int val = ucontrol->value.integer.value[0]; 449 int ret; 450 451 if (val == 0) 452 return 0; /* 0 means no event */ 453 454 mutex_lock(&cs_ctl->dsp->pwr_lock); 455 456 if (cs_ctl->enabled) 457 ret = cs_dsp_coeff_write_acked_control(cs_ctl, val); 458 else 459 ret = -EPERM; 460 461 mutex_unlock(&cs_ctl->dsp->pwr_lock); 462 463 if (ret < 0) 464 return ret; 465 466 return 1; 467} 468 469static int wm_coeff_get(struct snd_kcontrol *kctl, 470 struct snd_ctl_elem_value *ucontrol) 471{ 472 struct soc_bytes_ext *bytes_ext = 473 (struct soc_bytes_ext *)kctl->private_value; 474 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 475 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 476 char *p = ucontrol->value.bytes.data; 477 int ret; 478 479 mutex_lock(&cs_ctl->dsp->pwr_lock); 480 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, p, cs_ctl->len); 481 mutex_unlock(&cs_ctl->dsp->pwr_lock); 482 483 return ret; 484} 485 486static int wm_coeff_tlv_get(struct snd_kcontrol *kctl, 487 unsigned int __user *bytes, unsigned int size) 488{ 489 struct soc_bytes_ext *bytes_ext = 490 (struct soc_bytes_ext *)kctl->private_value; 491 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext); 492 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 493 int ret = 0; 494 495 mutex_lock(&cs_ctl->dsp->pwr_lock); 496 497 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, cs_ctl->cache, size); 498 499 if (!ret && copy_to_user(bytes, cs_ctl->cache, size)) 500 ret = -EFAULT; 501 502 mutex_unlock(&cs_ctl->dsp->pwr_lock); 503 504 return ret; 505} 506 507static int wm_coeff_get_acked(struct snd_kcontrol *kcontrol, 508 struct snd_ctl_elem_value *ucontrol) 509{ 510 /* 511 * Although it's not useful to read an acked control, we must satisfy 512 * user-side assumptions that all controls are readable and that a 513 * write of the same value should be filtered out (it's valid to send 514 * the same event number again to the firmware). We therefore return 0, 515 * meaning "no event" so valid event numbers will always be a change 516 */ 517 ucontrol->value.integer.value[0] = 0; 518 519 return 0; 520} 521 522static unsigned int wmfw_convert_flags(unsigned int in, unsigned int len) 523{ 524 unsigned int out, rd, wr, vol; 525 526 if (len > ADSP_MAX_STD_CTRL_SIZE) { 527 rd = SNDRV_CTL_ELEM_ACCESS_TLV_READ; 528 wr = SNDRV_CTL_ELEM_ACCESS_TLV_WRITE; 529 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; 530 531 out = SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK; 532 } else { 533 rd = SNDRV_CTL_ELEM_ACCESS_READ; 534 wr = SNDRV_CTL_ELEM_ACCESS_WRITE; 535 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE; 536 537 out = 0; 538 } 539 540 if (in) { 541 out |= rd; 542 if (in & WMFW_CTL_FLAG_WRITEABLE) 543 out |= wr; 544 if (in & WMFW_CTL_FLAG_VOLATILE) 545 out |= vol; 546 } else { 547 out |= rd | wr | vol; 548 } 549 550 return out; 551} 552 553static void wm_adsp_ctl_work(struct work_struct *work) 554{ 555 struct wm_coeff_ctl *ctl = container_of(work, 556 struct wm_coeff_ctl, 557 work); 558 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl; 559 struct wm_adsp *dsp = container_of(cs_ctl->dsp, 560 struct wm_adsp, 561 cs_dsp); 562 struct snd_kcontrol_new *kcontrol; 563 564 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL); 565 if (!kcontrol) 566 return; 567 568 kcontrol->name = ctl->name; 569 kcontrol->info = wm_coeff_info; 570 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER; 571 kcontrol->tlv.c = snd_soc_bytes_tlv_callback; 572 kcontrol->private_value = (unsigned long)&ctl->bytes_ext; 573 kcontrol->access = wmfw_convert_flags(cs_ctl->flags, cs_ctl->len); 574 575 switch (cs_ctl->type) { 576 case WMFW_CTL_TYPE_ACKED: 577 kcontrol->get = wm_coeff_get_acked; 578 kcontrol->put = wm_coeff_put_acked; 579 break; 580 default: 581 if (kcontrol->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) { 582 ctl->bytes_ext.max = cs_ctl->len; 583 ctl->bytes_ext.get = wm_coeff_tlv_get; 584 ctl->bytes_ext.put = wm_coeff_tlv_put; 585 } else { 586 kcontrol->get = wm_coeff_get; 587 kcontrol->put = wm_coeff_put; 588 } 589 break; 590 } 591 592 snd_soc_add_component_controls(dsp->component, kcontrol, 1); 593 594 kfree(kcontrol); 595} 596 597static int wm_adsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl) 598{ 599 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 600 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 601 struct wm_coeff_ctl *ctl; 602 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN]; 603 const char *region_name; 604 int ret; 605 606 if (cs_ctl->flags & WMFW_CTL_FLAG_SYS) 607 return 0; 608 609 region_name = cs_dsp_mem_region_name(cs_ctl->alg_region.type); 610 if (!region_name) { 611 adsp_err(dsp, "Unknown region type: %d\n", cs_ctl->alg_region.type); 612 return -EINVAL; 613 } 614 615 switch (cs_dsp->fw_ver) { 616 case 0: 617 case 1: 618 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 619 "%s %s %x", cs_dsp->name, region_name, 620 cs_ctl->alg_region.alg); 621 break; 622 case 2: 623 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 624 "%s%c %.12s %x", cs_dsp->name, *region_name, 625 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 626 break; 627 default: 628 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, 629 "%s %.12s %x", cs_dsp->name, 630 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg); 631 break; 632 } 633 634 if (cs_ctl->subname) { 635 int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2; 636 int skip = 0; 637 638 if (dsp->component->name_prefix) 639 avail -= strlen(dsp->component->name_prefix) + 1; 640 641 /* Truncate the subname from the start if it is too long */ 642 if (cs_ctl->subname_len > avail) 643 skip = cs_ctl->subname_len - avail; 644 645 snprintf(name + ret, SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret, 646 " %.*s", cs_ctl->subname_len - skip, cs_ctl->subname + skip); 647 } 648 649 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); 650 if (!ctl) 651 return -ENOMEM; 652 ctl->cs_ctl = cs_ctl; 653 654 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL); 655 if (!ctl->name) { 656 ret = -ENOMEM; 657 goto err_ctl; 658 } 659 660 cs_ctl->priv = ctl; 661 662 INIT_WORK(&ctl->work, wm_adsp_ctl_work); 663 schedule_work(&ctl->work); 664 665 return 0; 666 667err_ctl: 668 kfree(ctl); 669 670 return ret; 671} 672 673static void wm_adsp_control_remove(struct cs_dsp_coeff_ctl *cs_ctl) 674{ 675 struct wm_coeff_ctl *ctl = cs_ctl->priv; 676 677 cancel_work_sync(&ctl->work); 678 679 kfree(ctl->name); 680 kfree(ctl); 681} 682 683int wm_adsp_write_ctl(struct wm_adsp *dsp, const char *name, int type, 684 unsigned int alg, void *buf, size_t len) 685{ 686 struct cs_dsp_coeff_ctl *cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg); 687 struct wm_coeff_ctl *ctl; 688 int ret; 689 690 mutex_lock(&dsp->cs_dsp.pwr_lock); 691 ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, buf, len); 692 mutex_unlock(&dsp->cs_dsp.pwr_lock); 693 694 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 return snd_soc_component_notify_control(dsp->component, ctl->name); 703} 704EXPORT_SYMBOL_GPL(wm_adsp_write_ctl); 705 706int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type, 707 unsigned int alg, void *buf, size_t len) 708{ 709 int ret; 710 711 mutex_lock(&dsp->cs_dsp.pwr_lock); 712 ret = cs_dsp_coeff_read_ctrl(cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg), 713 0, buf, len); 714 mutex_unlock(&dsp->cs_dsp.pwr_lock); 715 716 return ret; 717} 718EXPORT_SYMBOL_GPL(wm_adsp_read_ctl); 719 720static void wm_adsp_release_firmware_files(struct wm_adsp *dsp, 721 const struct firmware *wmfw_firmware, 722 char *wmfw_filename, 723 const struct firmware *coeff_firmware, 724 char *coeff_filename) 725{ 726 if (wmfw_firmware) 727 release_firmware(wmfw_firmware); 728 kfree(wmfw_filename); 729 730 if (coeff_firmware) 731 release_firmware(coeff_firmware); 732 kfree(coeff_filename); 733} 734 735static int wm_adsp_request_firmware_file(struct wm_adsp *dsp, 736 const struct firmware **firmware, char **filename, 737 const char *dir, const char *system_name, 738 const char *asoc_component_prefix, 739 const char *filetype) 740{ 741 struct cs_dsp *cs_dsp = &dsp->cs_dsp; 742 const char *fwf; 743 char *s, c; 744 int ret = 0; 745 746 if (dsp->fwf_name) 747 fwf = dsp->fwf_name; 748 else 749 fwf = dsp->cs_dsp.name; 750 751 if (system_name && asoc_component_prefix) 752 *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s-%s.%s", dir, dsp->part, 753 fwf, wm_adsp_fw[dsp->fw].file, system_name, 754 asoc_component_prefix, filetype); 755 else if (system_name) 756 *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s.%s", dir, dsp->part, 757 fwf, wm_adsp_fw[dsp->fw].file, system_name, 758 filetype); 759 else 760 *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s.%s", dir, dsp->part, fwf, 761 wm_adsp_fw[dsp->fw].file, filetype); 762 763 if (*filename == NULL) 764 return -ENOMEM; 765 766 /* 767 * Make sure that filename is lower-case and any non alpha-numeric 768 * characters except full stop and forward slash are replaced with 769 * hyphens. 770 */ 771 s = *filename; 772 while (*s) { 773 c = *s; 774 if (isalnum(c)) 775 *s = tolower(c); 776 else if ((c != '.') && (c != '/')) 777 *s = '-'; 778 s++; 779 } 780 781 ret = firmware_request_nowarn(firmware, *filename, cs_dsp->dev); 782 if (ret != 0) { 783 adsp_dbg(dsp, "Failed to request '%s'\n", *filename); 784 kfree(*filename); 785 *filename = NULL; 786 } else { 787 adsp_dbg(dsp, "Found '%s'\n", *filename); 788 } 789 790 return ret; 791} 792 793static const char *cirrus_dir = "cirrus/"; 794static int wm_adsp_request_firmware_files(struct wm_adsp *dsp, 795 const struct firmware **wmfw_firmware, 796 char **wmfw_filename, 797 const struct firmware **coeff_firmware, 798 char **coeff_filename) 799{ 800 const char *system_name = dsp->system_name; 801 const char *asoc_component_prefix = dsp->component->name_prefix; 802 int ret = 0; 803 804 if (system_name && asoc_component_prefix) { 805 if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, 806 cirrus_dir, system_name, 807 asoc_component_prefix, "wmfw")) { 808 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 809 cirrus_dir, system_name, 810 asoc_component_prefix, "bin"); 811 return 0; 812 } 813 } 814 815 if (system_name) { 816 if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, 817 cirrus_dir, system_name, 818 NULL, "wmfw")) { 819 if (asoc_component_prefix) 820 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 821 cirrus_dir, system_name, 822 asoc_component_prefix, "bin"); 823 824 if (!*coeff_firmware) 825 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 826 cirrus_dir, system_name, 827 NULL, "bin"); 828 return 0; 829 } 830 } 831 832 if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, 833 "", NULL, NULL, "wmfw")) { 834 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 835 "", NULL, NULL, "bin"); 836 return 0; 837 } 838 839 ret = wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename, 840 cirrus_dir, NULL, NULL, "wmfw"); 841 if (!ret) { 842 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 843 cirrus_dir, NULL, NULL, "bin"); 844 return 0; 845 } 846 847 if (dsp->wmfw_optional) { 848 if (system_name) { 849 if (asoc_component_prefix) 850 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 851 cirrus_dir, system_name, 852 asoc_component_prefix, "bin"); 853 854 if (!*coeff_firmware) 855 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 856 cirrus_dir, system_name, 857 NULL, "bin"); 858 } 859 860 if (!*coeff_firmware) 861 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 862 "", NULL, NULL, "bin"); 863 864 if (!*coeff_firmware) 865 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename, 866 cirrus_dir, NULL, NULL, "bin"); 867 868 return 0; 869 } 870 871 adsp_err(dsp, "Failed to request firmware <%s>%s-%s-%s<-%s<%s>>.wmfw\n", 872 cirrus_dir, dsp->part, 873 dsp->fwf_name ? dsp->fwf_name : dsp->cs_dsp.name, 874 wm_adsp_fw[dsp->fw].file, system_name, asoc_component_prefix); 875 876 return -ENOENT; 877} 878 879static int wm_adsp_common_init(struct wm_adsp *dsp) 880{ 881 INIT_LIST_HEAD(&dsp->compr_list); 882 INIT_LIST_HEAD(&dsp->buffer_list); 883 884 return 0; 885} 886 887int wm_adsp1_init(struct wm_adsp *dsp) 888{ 889 int ret; 890 891 dsp->cs_dsp.client_ops = &wm_adsp1_client_ops; 892 893 ret = cs_dsp_adsp1_init(&dsp->cs_dsp); 894 if (ret) 895 return ret; 896 897 return wm_adsp_common_init(dsp); 898} 899EXPORT_SYMBOL_GPL(wm_adsp1_init); 900 901int wm_adsp1_event(struct snd_soc_dapm_widget *w, 902 struct snd_kcontrol *kcontrol, 903 int event) 904{ 905 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 906 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 907 struct wm_adsp *dsp = &dsps[w->shift]; 908 int ret = 0; 909 char *wmfw_filename = NULL; 910 const struct firmware *wmfw_firmware = NULL; 911 char *coeff_filename = NULL; 912 const struct firmware *coeff_firmware = NULL; 913 914 dsp->component = component; 915 916 switch (event) { 917 case SND_SOC_DAPM_POST_PMU: 918 ret = wm_adsp_request_firmware_files(dsp, 919 &wmfw_firmware, &wmfw_filename, 920 &coeff_firmware, &coeff_filename); 921 if (ret) 922 break; 923 924 ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp, 925 wmfw_firmware, wmfw_filename, 926 coeff_firmware, coeff_filename, 927 wm_adsp_fw_text[dsp->fw]); 928 929 wm_adsp_release_firmware_files(dsp, 930 wmfw_firmware, wmfw_filename, 931 coeff_firmware, coeff_filename); 932 break; 933 case SND_SOC_DAPM_PRE_PMD: 934 cs_dsp_adsp1_power_down(&dsp->cs_dsp); 935 break; 936 default: 937 break; 938 } 939 940 return ret; 941} 942EXPORT_SYMBOL_GPL(wm_adsp1_event); 943 944int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq) 945{ 946 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 947 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 948 struct wm_adsp *dsp = &dsps[w->shift]; 949 950 return cs_dsp_set_dspclk(&dsp->cs_dsp, freq); 951} 952EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk); 953 954int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol, 955 struct snd_ctl_elem_value *ucontrol) 956{ 957 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 958 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 959 struct soc_mixer_control *mc = 960 (struct soc_mixer_control *)kcontrol->private_value; 961 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 962 963 ucontrol->value.integer.value[0] = dsp->preloaded; 964 965 return 0; 966} 967EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get); 968 969int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol, 970 struct snd_ctl_elem_value *ucontrol) 971{ 972 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol); 973 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 974 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); 975 struct soc_mixer_control *mc = 976 (struct soc_mixer_control *)kcontrol->private_value; 977 struct wm_adsp *dsp = &dsps[mc->shift - 1]; 978 char preload[32]; 979 980 if (dsp->preloaded == ucontrol->value.integer.value[0]) 981 return 0; 982 983 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 984 985 if (ucontrol->value.integer.value[0] || dsp->toggle_preload) 986 snd_soc_component_force_enable_pin(component, preload); 987 else 988 snd_soc_component_disable_pin(component, preload); 989 990 snd_soc_dapm_sync(dapm); 991 992 flush_work(&dsp->boot_work); 993 994 dsp->preloaded = ucontrol->value.integer.value[0]; 995 996 if (dsp->toggle_preload) { 997 snd_soc_component_disable_pin(component, preload); 998 snd_soc_dapm_sync(dapm); 999 } 1000 1001 return 1; 1002} 1003EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put); 1004 1005int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware) 1006{ 1007 int ret = 0; 1008 char *wmfw_filename = NULL; 1009 const struct firmware *wmfw_firmware = NULL; 1010 char *coeff_filename = NULL; 1011 const struct firmware *coeff_firmware = NULL; 1012 1013 if (load_firmware) { 1014 ret = wm_adsp_request_firmware_files(dsp, 1015 &wmfw_firmware, &wmfw_filename, 1016 &coeff_firmware, &coeff_filename); 1017 if (ret) 1018 return ret; 1019 } 1020 1021 ret = cs_dsp_power_up(&dsp->cs_dsp, 1022 wmfw_firmware, wmfw_filename, 1023 coeff_firmware, coeff_filename, 1024 wm_adsp_fw_text[dsp->fw]); 1025 1026 wm_adsp_release_firmware_files(dsp, 1027 wmfw_firmware, wmfw_filename, 1028 coeff_firmware, coeff_filename); 1029 1030 return ret; 1031} 1032EXPORT_SYMBOL_GPL(wm_adsp_power_up); 1033 1034void wm_adsp_power_down(struct wm_adsp *dsp) 1035{ 1036 cs_dsp_power_down(&dsp->cs_dsp); 1037} 1038EXPORT_SYMBOL_GPL(wm_adsp_power_down); 1039 1040static void wm_adsp_boot_work(struct work_struct *work) 1041{ 1042 struct wm_adsp *dsp = container_of(work, 1043 struct wm_adsp, 1044 boot_work); 1045 1046 wm_adsp_power_up(dsp, true); 1047} 1048 1049int wm_adsp_early_event(struct snd_soc_dapm_widget *w, 1050 struct snd_kcontrol *kcontrol, int event) 1051{ 1052 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1053 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1054 struct wm_adsp *dsp = &dsps[w->shift]; 1055 1056 switch (event) { 1057 case SND_SOC_DAPM_PRE_PMU: 1058 queue_work(system_unbound_wq, &dsp->boot_work); 1059 break; 1060 case SND_SOC_DAPM_PRE_PMD: 1061 wm_adsp_power_down(dsp); 1062 break; 1063 default: 1064 break; 1065 } 1066 1067 return 0; 1068} 1069EXPORT_SYMBOL_GPL(wm_adsp_early_event); 1070 1071static int wm_adsp_pre_run(struct cs_dsp *cs_dsp) 1072{ 1073 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1074 1075 if (!dsp->pre_run) 1076 return 0; 1077 1078 return (*dsp->pre_run)(dsp); 1079} 1080 1081static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp) 1082{ 1083 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1084 1085 if (wm_adsp_fw[dsp->fw].num_caps != 0) 1086 return wm_adsp_buffer_init(dsp); 1087 1088 return 0; 1089} 1090 1091static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp) 1092{ 1093 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 1094 1095 if (wm_adsp_fw[dsp->fw].num_caps != 0) 1096 wm_adsp_buffer_free(dsp); 1097 1098 dsp->fatal_error = false; 1099} 1100 1101int wm_adsp_event(struct snd_soc_dapm_widget *w, 1102 struct snd_kcontrol *kcontrol, int event) 1103{ 1104 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); 1105 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component); 1106 struct wm_adsp *dsp = &dsps[w->shift]; 1107 int ret = 0; 1108 1109 switch (event) { 1110 case SND_SOC_DAPM_POST_PMU: 1111 flush_work(&dsp->boot_work); 1112 ret = cs_dsp_run(&dsp->cs_dsp); 1113 break; 1114 case SND_SOC_DAPM_PRE_PMD: 1115 cs_dsp_stop(&dsp->cs_dsp); 1116 break; 1117 default: 1118 break; 1119 } 1120 1121 return ret; 1122} 1123EXPORT_SYMBOL_GPL(wm_adsp_event); 1124 1125int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component) 1126{ 1127 char preload[32]; 1128 1129 if (!dsp->cs_dsp.no_core_startstop) { 1130 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name); 1131 snd_soc_component_disable_pin(component, preload); 1132 } 1133 1134 cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root); 1135 1136 dsp->component = component; 1137 1138 return 0; 1139} 1140EXPORT_SYMBOL_GPL(wm_adsp2_component_probe); 1141 1142int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component) 1143{ 1144 cs_dsp_cleanup_debugfs(&dsp->cs_dsp); 1145 1146 return 0; 1147} 1148EXPORT_SYMBOL_GPL(wm_adsp2_component_remove); 1149 1150int wm_adsp2_init(struct wm_adsp *dsp) 1151{ 1152 int ret; 1153 1154 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1155 1156 dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr); 1157 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1158 1159 ret = cs_dsp_adsp2_init(&dsp->cs_dsp); 1160 if (ret) 1161 return ret; 1162 1163 return wm_adsp_common_init(dsp); 1164} 1165EXPORT_SYMBOL_GPL(wm_adsp2_init); 1166 1167int wm_halo_init(struct wm_adsp *dsp) 1168{ 1169 int ret; 1170 1171 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work); 1172 1173 dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr); 1174 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops; 1175 1176 ret = cs_dsp_halo_init(&dsp->cs_dsp); 1177 if (ret) 1178 return ret; 1179 1180 return wm_adsp_common_init(dsp); 1181} 1182EXPORT_SYMBOL_GPL(wm_halo_init); 1183 1184void wm_adsp2_remove(struct wm_adsp *dsp) 1185{ 1186 cs_dsp_remove(&dsp->cs_dsp); 1187} 1188EXPORT_SYMBOL_GPL(wm_adsp2_remove); 1189 1190static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr) 1191{ 1192 return compr->buf != NULL; 1193} 1194 1195static int wm_adsp_compr_attach(struct wm_adsp_compr *compr) 1196{ 1197 struct wm_adsp_compr_buf *buf = NULL, *tmp; 1198 1199 if (compr->dsp->fatal_error) 1200 return -EINVAL; 1201 1202 list_for_each_entry(tmp, &compr->dsp->buffer_list, list) { 1203 if (!tmp->name || !strcmp(compr->name, tmp->name)) { 1204 buf = tmp; 1205 break; 1206 } 1207 } 1208 1209 if (!buf) 1210 return -EINVAL; 1211 1212 compr->buf = buf; 1213 buf->compr = compr; 1214 1215 return 0; 1216} 1217 1218static void wm_adsp_compr_detach(struct wm_adsp_compr *compr) 1219{ 1220 if (!compr) 1221 return; 1222 1223 /* Wake the poll so it can see buffer is no longer attached */ 1224 if (compr->stream) 1225 snd_compr_fragment_elapsed(compr->stream); 1226 1227 if (wm_adsp_compr_attached(compr)) { 1228 compr->buf->compr = NULL; 1229 compr->buf = NULL; 1230 } 1231} 1232 1233int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream) 1234{ 1235 struct wm_adsp_compr *compr, *tmp; 1236 struct snd_soc_pcm_runtime *rtd = stream->private_data; 1237 int ret = 0; 1238 1239 mutex_lock(&dsp->cs_dsp.pwr_lock); 1240 1241 if (wm_adsp_fw[dsp->fw].num_caps == 0) { 1242 adsp_err(dsp, "%s: Firmware does not support compressed API\n", 1243 asoc_rtd_to_codec(rtd, 0)->name); 1244 ret = -ENXIO; 1245 goto out; 1246 } 1247 1248 if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) { 1249 adsp_err(dsp, "%s: Firmware does not support stream direction\n", 1250 asoc_rtd_to_codec(rtd, 0)->name); 1251 ret = -EINVAL; 1252 goto out; 1253 } 1254 1255 list_for_each_entry(tmp, &dsp->compr_list, list) { 1256 if (!strcmp(tmp->name, asoc_rtd_to_codec(rtd, 0)->name)) { 1257 adsp_err(dsp, "%s: Only a single stream supported per dai\n", 1258 asoc_rtd_to_codec(rtd, 0)->name); 1259 ret = -EBUSY; 1260 goto out; 1261 } 1262 } 1263 1264 compr = kzalloc(sizeof(*compr), GFP_KERNEL); 1265 if (!compr) { 1266 ret = -ENOMEM; 1267 goto out; 1268 } 1269 1270 compr->dsp = dsp; 1271 compr->stream = stream; 1272 compr->name = asoc_rtd_to_codec(rtd, 0)->name; 1273 1274 list_add_tail(&compr->list, &dsp->compr_list); 1275 1276 stream->runtime->private_data = compr; 1277 1278out: 1279 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1280 1281 return ret; 1282} 1283EXPORT_SYMBOL_GPL(wm_adsp_compr_open); 1284 1285int wm_adsp_compr_free(struct snd_soc_component *component, 1286 struct snd_compr_stream *stream) 1287{ 1288 struct wm_adsp_compr *compr = stream->runtime->private_data; 1289 struct wm_adsp *dsp = compr->dsp; 1290 1291 mutex_lock(&dsp->cs_dsp.pwr_lock); 1292 1293 wm_adsp_compr_detach(compr); 1294 list_del(&compr->list); 1295 1296 kfree(compr->raw_buf); 1297 kfree(compr); 1298 1299 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1300 1301 return 0; 1302} 1303EXPORT_SYMBOL_GPL(wm_adsp_compr_free); 1304 1305static int wm_adsp_compr_check_params(struct snd_compr_stream *stream, 1306 struct snd_compr_params *params) 1307{ 1308 struct wm_adsp_compr *compr = stream->runtime->private_data; 1309 struct wm_adsp *dsp = compr->dsp; 1310 const struct wm_adsp_fw_caps *caps; 1311 const struct snd_codec_desc *desc; 1312 int i, j; 1313 1314 if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE || 1315 params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE || 1316 params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS || 1317 params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS || 1318 params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) { 1319 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n", 1320 params->buffer.fragment_size, 1321 params->buffer.fragments); 1322 1323 return -EINVAL; 1324 } 1325 1326 for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) { 1327 caps = &wm_adsp_fw[dsp->fw].caps[i]; 1328 desc = &caps->desc; 1329 1330 if (caps->id != params->codec.id) 1331 continue; 1332 1333 if (stream->direction == SND_COMPRESS_PLAYBACK) { 1334 if (desc->max_ch < params->codec.ch_out) 1335 continue; 1336 } else { 1337 if (desc->max_ch < params->codec.ch_in) 1338 continue; 1339 } 1340 1341 if (!(desc->formats & (1 << params->codec.format))) 1342 continue; 1343 1344 for (j = 0; j < desc->num_sample_rates; ++j) 1345 if (desc->sample_rates[j] == params->codec.sample_rate) 1346 return 0; 1347 } 1348 1349 compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n", 1350 params->codec.id, params->codec.ch_in, params->codec.ch_out, 1351 params->codec.sample_rate, params->codec.format); 1352 return -EINVAL; 1353} 1354 1355static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr) 1356{ 1357 return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE; 1358} 1359 1360int wm_adsp_compr_set_params(struct snd_soc_component *component, 1361 struct snd_compr_stream *stream, 1362 struct snd_compr_params *params) 1363{ 1364 struct wm_adsp_compr *compr = stream->runtime->private_data; 1365 unsigned int size; 1366 int ret; 1367 1368 ret = wm_adsp_compr_check_params(stream, params); 1369 if (ret) 1370 return ret; 1371 1372 compr->size = params->buffer; 1373 1374 compr_dbg(compr, "fragment_size=%d fragments=%d\n", 1375 compr->size.fragment_size, compr->size.fragments); 1376 1377 size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf); 1378 compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL); 1379 if (!compr->raw_buf) 1380 return -ENOMEM; 1381 1382 compr->sample_rate = params->codec.sample_rate; 1383 1384 return 0; 1385} 1386EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params); 1387 1388int wm_adsp_compr_get_caps(struct snd_soc_component *component, 1389 struct snd_compr_stream *stream, 1390 struct snd_compr_caps *caps) 1391{ 1392 struct wm_adsp_compr *compr = stream->runtime->private_data; 1393 int fw = compr->dsp->fw; 1394 int i; 1395 1396 if (wm_adsp_fw[fw].caps) { 1397 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++) 1398 caps->codecs[i] = wm_adsp_fw[fw].caps[i].id; 1399 1400 caps->num_codecs = i; 1401 caps->direction = wm_adsp_fw[fw].compr_direction; 1402 1403 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE; 1404 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE; 1405 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS; 1406 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS; 1407 } 1408 1409 return 0; 1410} 1411EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps); 1412 1413static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf, 1414 unsigned int field_offset, u32 *data) 1415{ 1416 return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1417 buf->host_buf_ptr + field_offset, data); 1418} 1419 1420static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf, 1421 unsigned int field_offset, u32 data) 1422{ 1423 return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type, 1424 buf->host_buf_ptr + field_offset, 1425 data); 1426} 1427 1428static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf) 1429{ 1430 const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps; 1431 struct wm_adsp_buffer_region *region; 1432 u32 offset = 0; 1433 int i, ret; 1434 1435 buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions), 1436 GFP_KERNEL); 1437 if (!buf->regions) 1438 return -ENOMEM; 1439 1440 for (i = 0; i < caps->num_regions; ++i) { 1441 region = &buf->regions[i]; 1442 1443 region->offset = offset; 1444 region->mem_type = caps->region_defs[i].mem_type; 1445 1446 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset, 1447 ®ion->base_addr); 1448 if (ret < 0) 1449 goto err; 1450 1451 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset, 1452 &offset); 1453 if (ret < 0) 1454 goto err; 1455 1456 region->cumulative_size = offset; 1457 1458 compr_dbg(buf, 1459 "region=%d type=%d base=%08x off=%08x size=%08x\n", 1460 i, region->mem_type, region->base_addr, 1461 region->offset, region->cumulative_size); 1462 } 1463 1464 return 0; 1465 1466err: 1467 kfree(buf->regions); 1468 return ret; 1469} 1470 1471static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf) 1472{ 1473 buf->irq_count = 0xFFFFFFFF; 1474 buf->read_index = -1; 1475 buf->avail = 0; 1476} 1477 1478static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp) 1479{ 1480 struct wm_adsp_compr_buf *buf; 1481 1482 buf = kzalloc(sizeof(*buf), GFP_KERNEL); 1483 if (!buf) 1484 return NULL; 1485 1486 buf->dsp = dsp; 1487 1488 wm_adsp_buffer_clear(buf); 1489 1490 return buf; 1491} 1492 1493static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp) 1494{ 1495 struct cs_dsp_alg_region *alg_region; 1496 struct wm_adsp_compr_buf *buf; 1497 u32 xmalg, addr, magic; 1498 int i, ret; 1499 1500 alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id); 1501 if (!alg_region) { 1502 adsp_err(dsp, "No algorithm region found\n"); 1503 return -EINVAL; 1504 } 1505 1506 xmalg = dsp->sys_config_size / sizeof(__be32); 1507 1508 addr = alg_region->base + xmalg + ALG_XM_FIELD(magic); 1509 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic); 1510 if (ret < 0) 1511 return ret; 1512 1513 if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC) 1514 return -ENODEV; 1515 1516 buf = wm_adsp_buffer_alloc(dsp); 1517 if (!buf) 1518 return -ENOMEM; 1519 1520 addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr); 1521 for (i = 0; i < 5; ++i) { 1522 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, 1523 &buf->host_buf_ptr); 1524 if (ret < 0) 1525 goto err; 1526 1527 if (buf->host_buf_ptr) 1528 break; 1529 1530 usleep_range(1000, 2000); 1531 } 1532 1533 if (!buf->host_buf_ptr) { 1534 ret = -EIO; 1535 goto err; 1536 } 1537 1538 buf->host_buf_mem_type = WMFW_ADSP2_XM; 1539 1540 ret = wm_adsp_buffer_populate(buf); 1541 if (ret < 0) 1542 goto err; 1543 1544 list_add_tail(&buf->list, &dsp->buffer_list); 1545 1546 compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr); 1547 1548 return 0; 1549 1550err: 1551 kfree(buf); 1552 1553 return ret; 1554} 1555 1556static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl) 1557{ 1558 struct wm_adsp_host_buf_coeff_v1 coeff_v1; 1559 struct wm_adsp_compr_buf *buf; 1560 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp); 1561 unsigned int version = 0; 1562 int ret, i; 1563 1564 for (i = 0; i < 5; ++i) { 1565 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, &coeff_v1, 1566 min(cs_ctl->len, sizeof(coeff_v1))); 1567 if (ret < 0) 1568 return ret; 1569 1570 if (coeff_v1.host_buf_ptr) 1571 break; 1572 1573 usleep_range(1000, 2000); 1574 } 1575 1576 if (!coeff_v1.host_buf_ptr) { 1577 adsp_err(dsp, "Failed to acquire host buffer\n"); 1578 return -EIO; 1579 } 1580 1581 buf = wm_adsp_buffer_alloc(dsp); 1582 if (!buf) 1583 return -ENOMEM; 1584 1585 buf->host_buf_mem_type = cs_ctl->alg_region.type; 1586 buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr); 1587 1588 ret = wm_adsp_buffer_populate(buf); 1589 if (ret < 0) 1590 goto err; 1591 1592 /* 1593 * v0 host_buffer coefficients didn't have versioning, so if the 1594 * control is one word, assume version 0. 1595 */ 1596 if (cs_ctl->len == 4) 1597 goto done; 1598 1599 version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK; 1600 version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT; 1601 1602 if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) { 1603 adsp_err(dsp, 1604 "Host buffer coeff ver %u > supported version %u\n", 1605 version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER); 1606 ret = -EINVAL; 1607 goto err; 1608 } 1609 1610 cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name)); 1611 1612 buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part, 1613 (char *)&coeff_v1.name); 1614 1615done: 1616 list_add_tail(&buf->list, &dsp->buffer_list); 1617 1618 compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n", 1619 buf->host_buf_ptr, version); 1620 1621 return version; 1622 1623err: 1624 kfree(buf); 1625 1626 return ret; 1627} 1628 1629static int wm_adsp_buffer_init(struct wm_adsp *dsp) 1630{ 1631 struct cs_dsp_coeff_ctl *cs_ctl; 1632 int ret; 1633 1634 list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) { 1635 if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER) 1636 continue; 1637 1638 if (!cs_ctl->enabled) 1639 continue; 1640 1641 ret = wm_adsp_buffer_parse_coeff(cs_ctl); 1642 if (ret < 0) { 1643 adsp_err(dsp, "Failed to parse coeff: %d\n", ret); 1644 goto error; 1645 } else if (ret == 0) { 1646 /* Only one buffer supported for version 0 */ 1647 return 0; 1648 } 1649 } 1650 1651 if (list_empty(&dsp->buffer_list)) { 1652 /* Fall back to legacy support */ 1653 ret = wm_adsp_buffer_parse_legacy(dsp); 1654 if (ret == -ENODEV) 1655 adsp_info(dsp, "Legacy support not available\n"); 1656 else if (ret) 1657 adsp_warn(dsp, "Failed to parse legacy: %d\n", ret); 1658 } 1659 1660 return 0; 1661 1662error: 1663 wm_adsp_buffer_free(dsp); 1664 return ret; 1665} 1666 1667static int wm_adsp_buffer_free(struct wm_adsp *dsp) 1668{ 1669 struct wm_adsp_compr_buf *buf, *tmp; 1670 1671 list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) { 1672 wm_adsp_compr_detach(buf->compr); 1673 1674 kfree(buf->name); 1675 kfree(buf->regions); 1676 list_del(&buf->list); 1677 kfree(buf); 1678 } 1679 1680 return 0; 1681} 1682 1683static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf) 1684{ 1685 int ret; 1686 1687 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error); 1688 if (ret < 0) { 1689 compr_err(buf, "Failed to check buffer error: %d\n", ret); 1690 return ret; 1691 } 1692 if (buf->error != 0) { 1693 compr_err(buf, "Buffer error occurred: %d\n", buf->error); 1694 return -EIO; 1695 } 1696 1697 return 0; 1698} 1699 1700int wm_adsp_compr_trigger(struct snd_soc_component *component, 1701 struct snd_compr_stream *stream, int cmd) 1702{ 1703 struct wm_adsp_compr *compr = stream->runtime->private_data; 1704 struct wm_adsp *dsp = compr->dsp; 1705 int ret = 0; 1706 1707 compr_dbg(compr, "Trigger: %d\n", cmd); 1708 1709 mutex_lock(&dsp->cs_dsp.pwr_lock); 1710 1711 switch (cmd) { 1712 case SNDRV_PCM_TRIGGER_START: 1713 if (!wm_adsp_compr_attached(compr)) { 1714 ret = wm_adsp_compr_attach(compr); 1715 if (ret < 0) { 1716 compr_err(compr, "Failed to link buffer and stream: %d\n", 1717 ret); 1718 break; 1719 } 1720 } 1721 1722 ret = wm_adsp_buffer_get_error(compr->buf); 1723 if (ret < 0) 1724 break; 1725 1726 /* Trigger the IRQ at one fragment of data */ 1727 ret = wm_adsp_buffer_write(compr->buf, 1728 HOST_BUFFER_FIELD(high_water_mark), 1729 wm_adsp_compr_frag_words(compr)); 1730 if (ret < 0) { 1731 compr_err(compr, "Failed to set high water mark: %d\n", 1732 ret); 1733 break; 1734 } 1735 break; 1736 case SNDRV_PCM_TRIGGER_STOP: 1737 if (wm_adsp_compr_attached(compr)) 1738 wm_adsp_buffer_clear(compr->buf); 1739 break; 1740 default: 1741 ret = -EINVAL; 1742 break; 1743 } 1744 1745 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1746 1747 return ret; 1748} 1749EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger); 1750 1751static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf) 1752{ 1753 int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1; 1754 1755 return buf->regions[last_region].cumulative_size; 1756} 1757 1758static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf) 1759{ 1760 u32 next_read_index, next_write_index; 1761 int write_index, read_index, avail; 1762 int ret; 1763 1764 /* Only sync read index if we haven't already read a valid index */ 1765 if (buf->read_index < 0) { 1766 ret = wm_adsp_buffer_read(buf, 1767 HOST_BUFFER_FIELD(next_read_index), 1768 &next_read_index); 1769 if (ret < 0) 1770 return ret; 1771 1772 read_index = sign_extend32(next_read_index, 23); 1773 1774 if (read_index < 0) { 1775 compr_dbg(buf, "Avail check on unstarted stream\n"); 1776 return 0; 1777 } 1778 1779 buf->read_index = read_index; 1780 } 1781 1782 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index), 1783 &next_write_index); 1784 if (ret < 0) 1785 return ret; 1786 1787 write_index = sign_extend32(next_write_index, 23); 1788 1789 avail = write_index - buf->read_index; 1790 if (avail < 0) 1791 avail += wm_adsp_buffer_size(buf); 1792 1793 compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n", 1794 buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE); 1795 1796 buf->avail = avail; 1797 1798 return 0; 1799} 1800 1801int wm_adsp_compr_handle_irq(struct wm_adsp *dsp) 1802{ 1803 struct wm_adsp_compr_buf *buf; 1804 struct wm_adsp_compr *compr; 1805 int ret = 0; 1806 1807 mutex_lock(&dsp->cs_dsp.pwr_lock); 1808 1809 if (list_empty(&dsp->buffer_list)) { 1810 ret = -ENODEV; 1811 goto out; 1812 } 1813 1814 adsp_dbg(dsp, "Handling buffer IRQ\n"); 1815 1816 list_for_each_entry(buf, &dsp->buffer_list, list) { 1817 compr = buf->compr; 1818 1819 ret = wm_adsp_buffer_get_error(buf); 1820 if (ret < 0) 1821 goto out_notify; /* Wake poll to report error */ 1822 1823 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count), 1824 &buf->irq_count); 1825 if (ret < 0) { 1826 compr_err(buf, "Failed to get irq_count: %d\n", ret); 1827 goto out; 1828 } 1829 1830 ret = wm_adsp_buffer_update_avail(buf); 1831 if (ret < 0) { 1832 compr_err(buf, "Error reading avail: %d\n", ret); 1833 goto out; 1834 } 1835 1836 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2) 1837 ret = WM_ADSP_COMPR_VOICE_TRIGGER; 1838 1839out_notify: 1840 if (compr && compr->stream) 1841 snd_compr_fragment_elapsed(compr->stream); 1842 } 1843 1844out: 1845 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1846 1847 return ret; 1848} 1849EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq); 1850 1851static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf) 1852{ 1853 if (buf->irq_count & 0x01) 1854 return 0; 1855 1856 compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count); 1857 1858 buf->irq_count |= 0x01; 1859 1860 return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack), 1861 buf->irq_count); 1862} 1863 1864int wm_adsp_compr_pointer(struct snd_soc_component *component, 1865 struct snd_compr_stream *stream, 1866 struct snd_compr_tstamp *tstamp) 1867{ 1868 struct wm_adsp_compr *compr = stream->runtime->private_data; 1869 struct wm_adsp *dsp = compr->dsp; 1870 struct wm_adsp_compr_buf *buf; 1871 int ret = 0; 1872 1873 compr_dbg(compr, "Pointer request\n"); 1874 1875 mutex_lock(&dsp->cs_dsp.pwr_lock); 1876 1877 buf = compr->buf; 1878 1879 if (dsp->fatal_error || !buf || buf->error) { 1880 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN); 1881 ret = -EIO; 1882 goto out; 1883 } 1884 1885 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1886 ret = wm_adsp_buffer_update_avail(buf); 1887 if (ret < 0) { 1888 compr_err(compr, "Error reading avail: %d\n", ret); 1889 goto out; 1890 } 1891 1892 /* 1893 * If we really have less than 1 fragment available tell the 1894 * DSP to inform us once a whole fragment is available. 1895 */ 1896 if (buf->avail < wm_adsp_compr_frag_words(compr)) { 1897 ret = wm_adsp_buffer_get_error(buf); 1898 if (ret < 0) { 1899 if (buf->error) 1900 snd_compr_stop_error(stream, 1901 SNDRV_PCM_STATE_XRUN); 1902 goto out; 1903 } 1904 1905 ret = wm_adsp_buffer_reenable_irq(buf); 1906 if (ret < 0) { 1907 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n", 1908 ret); 1909 goto out; 1910 } 1911 } 1912 } 1913 1914 tstamp->copied_total = compr->copied_total; 1915 tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE; 1916 tstamp->sampling_rate = compr->sample_rate; 1917 1918out: 1919 mutex_unlock(&dsp->cs_dsp.pwr_lock); 1920 1921 return ret; 1922} 1923EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer); 1924 1925static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target) 1926{ 1927 struct wm_adsp_compr_buf *buf = compr->buf; 1928 unsigned int adsp_addr; 1929 int mem_type, nwords, max_read; 1930 int i, ret; 1931 1932 /* Calculate read parameters */ 1933 for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i) 1934 if (buf->read_index < buf->regions[i].cumulative_size) 1935 break; 1936 1937 if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions) 1938 return -EINVAL; 1939 1940 mem_type = buf->regions[i].mem_type; 1941 adsp_addr = buf->regions[i].base_addr + 1942 (buf->read_index - buf->regions[i].offset); 1943 1944 max_read = wm_adsp_compr_frag_words(compr); 1945 nwords = buf->regions[i].cumulative_size - buf->read_index; 1946 1947 if (nwords > target) 1948 nwords = target; 1949 if (nwords > buf->avail) 1950 nwords = buf->avail; 1951 if (nwords > max_read) 1952 nwords = max_read; 1953 if (!nwords) 1954 return 0; 1955 1956 /* Read data from DSP */ 1957 ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr, 1958 nwords, (__be32 *)compr->raw_buf); 1959 if (ret < 0) 1960 return ret; 1961 1962 cs_dsp_remove_padding(compr->raw_buf, nwords); 1963 1964 /* update read index to account for words read */ 1965 buf->read_index += nwords; 1966 if (buf->read_index == wm_adsp_buffer_size(buf)) 1967 buf->read_index = 0; 1968 1969 ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index), 1970 buf->read_index); 1971 if (ret < 0) 1972 return ret; 1973 1974 /* update avail to account for words read */ 1975 buf->avail -= nwords; 1976 1977 return nwords; 1978} 1979 1980static int wm_adsp_compr_read(struct wm_adsp_compr *compr, 1981 char __user *buf, size_t count) 1982{ 1983 struct wm_adsp *dsp = compr->dsp; 1984 int ntotal = 0; 1985 int nwords, nbytes; 1986 1987 compr_dbg(compr, "Requested read of %zu bytes\n", count); 1988 1989 if (dsp->fatal_error || !compr->buf || compr->buf->error) { 1990 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN); 1991 return -EIO; 1992 } 1993 1994 count /= CS_DSP_DATA_WORD_SIZE; 1995 1996 do { 1997 nwords = wm_adsp_buffer_capture_block(compr, count); 1998 if (nwords < 0) { 1999 compr_err(compr, "Failed to capture block: %d\n", 2000 nwords); 2001 return nwords; 2002 } 2003 2004 nbytes = nwords * CS_DSP_DATA_WORD_SIZE; 2005 2006 compr_dbg(compr, "Read %d bytes\n", nbytes); 2007 2008 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) { 2009 compr_err(compr, "Failed to copy data to user: %d, %d\n", 2010 ntotal, nbytes); 2011 return -EFAULT; 2012 } 2013 2014 count -= nwords; 2015 ntotal += nbytes; 2016 } while (nwords > 0 && count > 0); 2017 2018 compr->copied_total += ntotal; 2019 2020 return ntotal; 2021} 2022 2023int wm_adsp_compr_copy(struct snd_soc_component *component, 2024 struct snd_compr_stream *stream, char __user *buf, 2025 size_t count) 2026{ 2027 struct wm_adsp_compr *compr = stream->runtime->private_data; 2028 struct wm_adsp *dsp = compr->dsp; 2029 int ret; 2030 2031 mutex_lock(&dsp->cs_dsp.pwr_lock); 2032 2033 if (stream->direction == SND_COMPRESS_CAPTURE) 2034 ret = wm_adsp_compr_read(compr, buf, count); 2035 else 2036 ret = -ENOTSUPP; 2037 2038 mutex_unlock(&dsp->cs_dsp.pwr_lock); 2039 2040 return ret; 2041} 2042EXPORT_SYMBOL_GPL(wm_adsp_compr_copy); 2043 2044static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp) 2045{ 2046 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp); 2047 struct wm_adsp_compr *compr; 2048 2049 dsp->fatal_error = true; 2050 2051 list_for_each_entry(compr, &dsp->compr_list, list) { 2052 if (compr->stream) 2053 snd_compr_fragment_elapsed(compr->stream); 2054 } 2055} 2056 2057irqreturn_t wm_adsp2_bus_error(int irq, void *data) 2058{ 2059 struct wm_adsp *dsp = (struct wm_adsp *)data; 2060 2061 cs_dsp_adsp2_bus_error(&dsp->cs_dsp); 2062 2063 return IRQ_HANDLED; 2064} 2065EXPORT_SYMBOL_GPL(wm_adsp2_bus_error); 2066 2067irqreturn_t wm_halo_bus_error(int irq, void *data) 2068{ 2069 struct wm_adsp *dsp = (struct wm_adsp *)data; 2070 2071 cs_dsp_halo_bus_error(&dsp->cs_dsp); 2072 2073 return IRQ_HANDLED; 2074} 2075EXPORT_SYMBOL_GPL(wm_halo_bus_error); 2076 2077irqreturn_t wm_halo_wdt_expire(int irq, void *data) 2078{ 2079 struct wm_adsp *dsp = data; 2080 2081 cs_dsp_halo_wdt_expire(&dsp->cs_dsp); 2082 2083 return IRQ_HANDLED; 2084} 2085EXPORT_SYMBOL_GPL(wm_halo_wdt_expire); 2086 2087static const struct cs_dsp_client_ops wm_adsp1_client_ops = { 2088 .control_add = wm_adsp_control_add, 2089 .control_remove = wm_adsp_control_remove, 2090}; 2091 2092static const struct cs_dsp_client_ops wm_adsp2_client_ops = { 2093 .control_add = wm_adsp_control_add, 2094 .control_remove = wm_adsp_control_remove, 2095 .pre_run = wm_adsp_pre_run, 2096 .post_run = wm_adsp_event_post_run, 2097 .post_stop = wm_adsp_event_post_stop, 2098 .watchdog_expired = wm_adsp_fatal_error, 2099}; 2100 2101MODULE_LICENSE("GPL v2"); 2102MODULE_IMPORT_NS(FW_CS_DSP); 2103