2102 lines · c
1// SPDX-License-Identifier: GPL-2.0-only2/*3 * wm_adsp.c -- Wolfson ADSP support4 *5 * Copyright 2012 Wolfson Microelectronics plc6 *7 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>8 */9 10#include <linux/array_size.h>11#include <linux/ctype.h>12#include <linux/module.h>13#include <linux/moduleparam.h>14#include <linux/init.h>15#include <linux/delay.h>16#include <linux/firmware.h>17#include <linux/list.h>18#include <linux/pm.h>19#include <linux/regmap.h>20#include <linux/regulator/consumer.h>21#include <linux/slab.h>22#include <linux/vmalloc.h>23#include <linux/workqueue.h>24#include <linux/debugfs.h>25#include <sound/core.h>26#include <sound/pcm.h>27#include <sound/pcm_params.h>28#include <sound/soc.h>29#include <sound/jack.h>30#include <sound/initval.h>31#include <sound/tlv.h>32 33#include "wm_adsp.h"34 35#define adsp_crit(_dsp, fmt, ...) \36 dev_crit(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__)37#define adsp_err(_dsp, fmt, ...) \38 dev_err(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__)39#define adsp_warn(_dsp, fmt, ...) \40 dev_warn(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__)41#define adsp_info(_dsp, fmt, ...) \42 dev_info(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__)43#define adsp_dbg(_dsp, fmt, ...) \44 dev_dbg(_dsp->cs_dsp.dev, "%s: " fmt, _dsp->cs_dsp.name, ##__VA_ARGS__)45 46#define compr_err(_obj, fmt, ...) \47 adsp_err(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \48 ##__VA_ARGS__)49#define compr_dbg(_obj, fmt, ...) \50 adsp_dbg(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \51 ##__VA_ARGS__)52 53#define ADSP_MAX_STD_CTRL_SIZE 51254 55static const struct cs_dsp_client_ops wm_adsp1_client_ops;56static const struct cs_dsp_client_ops wm_adsp2_client_ops;57 58#define WM_ADSP_FW_MBC_VSS 059#define WM_ADSP_FW_HIFI 160#define WM_ADSP_FW_TX 261#define WM_ADSP_FW_TX_SPK 362#define WM_ADSP_FW_RX 463#define WM_ADSP_FW_RX_ANC 564#define WM_ADSP_FW_CTRL 665#define WM_ADSP_FW_ASR 766#define WM_ADSP_FW_TRACE 867#define WM_ADSP_FW_SPK_PROT 968#define WM_ADSP_FW_SPK_CALI 1069#define WM_ADSP_FW_SPK_DIAG 1170#define WM_ADSP_FW_MISC 1271 72#define WM_ADSP_NUM_FW 1373 74static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = {75 [WM_ADSP_FW_MBC_VSS] = "MBC/VSS",76 [WM_ADSP_FW_HIFI] = "MasterHiFi",77 [WM_ADSP_FW_TX] = "Tx",78 [WM_ADSP_FW_TX_SPK] = "Tx Speaker",79 [WM_ADSP_FW_RX] = "Rx",80 [WM_ADSP_FW_RX_ANC] = "Rx ANC",81 [WM_ADSP_FW_CTRL] = "Voice Ctrl",82 [WM_ADSP_FW_ASR] = "ASR Assist",83 [WM_ADSP_FW_TRACE] = "Dbg Trace",84 [WM_ADSP_FW_SPK_PROT] = "Protection",85 [WM_ADSP_FW_SPK_CALI] = "Calibration",86 [WM_ADSP_FW_SPK_DIAG] = "Diagnostic",87 [WM_ADSP_FW_MISC] = "Misc",88};89 90struct wm_adsp_system_config_xm_hdr {91 __be32 sys_enable;92 __be32 fw_id;93 __be32 fw_rev;94 __be32 boot_status;95 __be32 watchdog;96 __be32 dma_buffer_size;97 __be32 rdma[6];98 __be32 wdma[8];99 __be32 build_job_name[3];100 __be32 build_job_number;101} __packed;102 103struct wm_halo_system_config_xm_hdr {104 __be32 halo_heartbeat;105 __be32 build_job_name[3];106 __be32 build_job_number;107} __packed;108 109struct wm_adsp_alg_xm_struct {110 __be32 magic;111 __be32 smoothing;112 __be32 threshold;113 __be32 host_buf_ptr;114 __be32 start_seq;115 __be32 high_water_mark;116 __be32 low_water_mark;117 __be64 smoothed_power;118} __packed;119 120struct wm_adsp_host_buf_coeff_v1 {121 __be32 host_buf_ptr; /* Host buffer pointer */122 __be32 versions; /* Version numbers */123 __be32 name[4]; /* The buffer name */124} __packed;125 126struct wm_adsp_buffer {127 __be32 buf1_base; /* Base addr of first buffer area */128 __be32 buf1_size; /* Size of buf1 area in DSP words */129 __be32 buf2_base; /* Base addr of 2nd buffer area */130 __be32 buf1_buf2_size; /* Size of buf1+buf2 in DSP words */131 __be32 buf3_base; /* Base addr of buf3 area */132 __be32 buf_total_size; /* Size of buf1+buf2+buf3 in DSP words */133 __be32 high_water_mark; /* Point at which IRQ is asserted */134 __be32 irq_count; /* bits 1-31 count IRQ assertions */135 __be32 irq_ack; /* acked IRQ count, bit 0 enables IRQ */136 __be32 next_write_index; /* word index of next write */137 __be32 next_read_index; /* word index of next read */138 __be32 error; /* error if any */139 __be32 oldest_block_index; /* word index of oldest surviving */140 __be32 requested_rewind; /* how many blocks rewind was done */141 __be32 reserved_space; /* internal */142 __be32 min_free; /* min free space since stream start */143 __be32 blocks_written[2]; /* total blocks written (64 bit) */144 __be32 words_written[2]; /* total words written (64 bit) */145} __packed;146 147struct wm_adsp_compr;148 149struct wm_adsp_compr_buf {150 struct list_head list;151 struct wm_adsp *dsp;152 struct wm_adsp_compr *compr;153 154 struct wm_adsp_buffer_region *regions;155 u32 host_buf_ptr;156 157 u32 error;158 u32 irq_count;159 int read_index;160 int avail;161 int host_buf_mem_type;162 163 char *name;164};165 166struct wm_adsp_compr {167 struct list_head list;168 struct wm_adsp *dsp;169 struct wm_adsp_compr_buf *buf;170 171 struct snd_compr_stream *stream;172 struct snd_compressed_buffer size;173 174 u32 *raw_buf;175 unsigned int copied_total;176 177 unsigned int sample_rate;178 179 const char *name;180};181 182#define WM_ADSP_MIN_FRAGMENTS 1183#define WM_ADSP_MAX_FRAGMENTS 256184#define WM_ADSP_MIN_FRAGMENT_SIZE (16 * CS_DSP_DATA_WORD_SIZE)185#define WM_ADSP_MAX_FRAGMENT_SIZE (4096 * CS_DSP_DATA_WORD_SIZE)186 187#define WM_ADSP_ALG_XM_STRUCT_MAGIC 0x49aec7188 189#define HOST_BUFFER_FIELD(field) \190 (offsetof(struct wm_adsp_buffer, field) / sizeof(__be32))191 192#define ALG_XM_FIELD(field) \193 (offsetof(struct wm_adsp_alg_xm_struct, field) / sizeof(__be32))194 195#define HOST_BUF_COEFF_SUPPORTED_COMPAT_VER 1196 197#define HOST_BUF_COEFF_COMPAT_VER_MASK 0xFF00198#define HOST_BUF_COEFF_COMPAT_VER_SHIFT 8199 200static int wm_adsp_buffer_init(struct wm_adsp *dsp);201static int wm_adsp_buffer_free(struct wm_adsp *dsp);202 203struct wm_adsp_buffer_region {204 unsigned int offset;205 unsigned int cumulative_size;206 unsigned int mem_type;207 unsigned int base_addr;208};209 210struct wm_adsp_buffer_region_def {211 unsigned int mem_type;212 unsigned int base_offset;213 unsigned int size_offset;214};215 216static const struct wm_adsp_buffer_region_def default_regions[] = {217 {218 .mem_type = WMFW_ADSP2_XM,219 .base_offset = HOST_BUFFER_FIELD(buf1_base),220 .size_offset = HOST_BUFFER_FIELD(buf1_size),221 },222 {223 .mem_type = WMFW_ADSP2_XM,224 .base_offset = HOST_BUFFER_FIELD(buf2_base),225 .size_offset = HOST_BUFFER_FIELD(buf1_buf2_size),226 },227 {228 .mem_type = WMFW_ADSP2_YM,229 .base_offset = HOST_BUFFER_FIELD(buf3_base),230 .size_offset = HOST_BUFFER_FIELD(buf_total_size),231 },232};233 234struct wm_adsp_fw_caps {235 u32 id;236 struct snd_codec_desc desc;237 int num_regions;238 const struct wm_adsp_buffer_region_def *region_defs;239};240 241static const struct wm_adsp_fw_caps ctrl_caps[] = {242 {243 .id = SND_AUDIOCODEC_BESPOKE,244 .desc = {245 .max_ch = 8,246 .sample_rates = { 16000 },247 .num_sample_rates = 1,248 .formats = SNDRV_PCM_FMTBIT_S16_LE,249 },250 .num_regions = ARRAY_SIZE(default_regions),251 .region_defs = default_regions,252 },253};254 255static const struct wm_adsp_fw_caps trace_caps[] = {256 {257 .id = SND_AUDIOCODEC_BESPOKE,258 .desc = {259 .max_ch = 8,260 .sample_rates = {261 4000, 8000, 11025, 12000, 16000, 22050,262 24000, 32000, 44100, 48000, 64000, 88200,263 96000, 176400, 192000264 },265 .num_sample_rates = 15,266 .formats = SNDRV_PCM_FMTBIT_S16_LE,267 },268 .num_regions = ARRAY_SIZE(default_regions),269 .region_defs = default_regions,270 },271};272 273static const struct {274 const char *file;275 int compr_direction;276 int num_caps;277 const struct wm_adsp_fw_caps *caps;278 bool voice_trigger;279} wm_adsp_fw[WM_ADSP_NUM_FW] = {280 [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" },281 [WM_ADSP_FW_HIFI] = { .file = "hifi" },282 [WM_ADSP_FW_TX] = { .file = "tx" },283 [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" },284 [WM_ADSP_FW_RX] = { .file = "rx" },285 [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" },286 [WM_ADSP_FW_CTRL] = {287 .file = "ctrl",288 .compr_direction = SND_COMPRESS_CAPTURE,289 .num_caps = ARRAY_SIZE(ctrl_caps),290 .caps = ctrl_caps,291 .voice_trigger = true,292 },293 [WM_ADSP_FW_ASR] = { .file = "asr" },294 [WM_ADSP_FW_TRACE] = {295 .file = "trace",296 .compr_direction = SND_COMPRESS_CAPTURE,297 .num_caps = ARRAY_SIZE(trace_caps),298 .caps = trace_caps,299 },300 [WM_ADSP_FW_SPK_PROT] = {301 .file = "spk-prot",302 .compr_direction = SND_COMPRESS_CAPTURE,303 .num_caps = ARRAY_SIZE(trace_caps),304 .caps = trace_caps,305 },306 [WM_ADSP_FW_SPK_CALI] = { .file = "spk-cali" },307 [WM_ADSP_FW_SPK_DIAG] = { .file = "spk-diag" },308 [WM_ADSP_FW_MISC] = { .file = "misc" },309};310 311struct wm_coeff_ctl {312 const char *name;313 struct cs_dsp_coeff_ctl *cs_ctl;314 struct soc_bytes_ext bytes_ext;315 struct work_struct work;316};317 318int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,319 struct snd_ctl_elem_value *ucontrol)320{321 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);322 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;323 struct wm_adsp *dsp = snd_soc_component_get_drvdata(component);324 325 ucontrol->value.enumerated.item[0] = dsp[e->shift_l].fw;326 327 return 0;328}329EXPORT_SYMBOL_GPL(wm_adsp_fw_get);330 331int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,332 struct snd_ctl_elem_value *ucontrol)333{334 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);335 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;336 struct wm_adsp *dsp = snd_soc_component_get_drvdata(component);337 int ret = 1;338 339 if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw)340 return 0;341 342 if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW)343 return -EINVAL;344 345 mutex_lock(&dsp[e->shift_l].cs_dsp.pwr_lock);346 347 if (dsp[e->shift_l].cs_dsp.booted || !list_empty(&dsp[e->shift_l].compr_list))348 ret = -EBUSY;349 else350 dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0];351 352 mutex_unlock(&dsp[e->shift_l].cs_dsp.pwr_lock);353 354 return ret;355}356EXPORT_SYMBOL_GPL(wm_adsp_fw_put);357 358const struct soc_enum wm_adsp_fw_enum[] = {359 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),360 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),361 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),362 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),363 SOC_ENUM_SINGLE(0, 4, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),364 SOC_ENUM_SINGLE(0, 5, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),365 SOC_ENUM_SINGLE(0, 6, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),366};367EXPORT_SYMBOL_GPL(wm_adsp_fw_enum);368 369static inline struct wm_coeff_ctl *bytes_ext_to_ctl(struct soc_bytes_ext *ext)370{371 return container_of(ext, struct wm_coeff_ctl, bytes_ext);372}373 374static int wm_coeff_info(struct snd_kcontrol *kctl,375 struct snd_ctl_elem_info *uinfo)376{377 struct soc_bytes_ext *bytes_ext =378 (struct soc_bytes_ext *)kctl->private_value;379 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);380 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl;381 382 switch (cs_ctl->type) {383 case WMFW_CTL_TYPE_ACKED:384 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;385 uinfo->value.integer.min = CS_DSP_ACKED_CTL_MIN_VALUE;386 uinfo->value.integer.max = CS_DSP_ACKED_CTL_MAX_VALUE;387 uinfo->value.integer.step = 1;388 uinfo->count = 1;389 break;390 default:391 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;392 uinfo->count = cs_ctl->len;393 break;394 }395 396 return 0;397}398 399static int wm_coeff_put(struct snd_kcontrol *kctl,400 struct snd_ctl_elem_value *ucontrol)401{402 struct soc_bytes_ext *bytes_ext =403 (struct soc_bytes_ext *)kctl->private_value;404 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);405 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl;406 char *p = ucontrol->value.bytes.data;407 408 return cs_dsp_coeff_lock_and_write_ctrl(cs_ctl, 0, p, cs_ctl->len);409}410 411static int wm_coeff_tlv_put(struct snd_kcontrol *kctl,412 const unsigned int __user *bytes, unsigned int size)413{414 struct soc_bytes_ext *bytes_ext =415 (struct soc_bytes_ext *)kctl->private_value;416 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);417 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl;418 void *scratch;419 int ret = 0;420 421 scratch = vmalloc(size);422 if (!scratch)423 return -ENOMEM;424 425 if (copy_from_user(scratch, bytes, size))426 ret = -EFAULT;427 else428 ret = cs_dsp_coeff_lock_and_write_ctrl(cs_ctl, 0, scratch, size);429 430 vfree(scratch);431 432 return ret;433}434 435static int wm_coeff_put_acked(struct snd_kcontrol *kctl,436 struct snd_ctl_elem_value *ucontrol)437{438 struct soc_bytes_ext *bytes_ext =439 (struct soc_bytes_ext *)kctl->private_value;440 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);441 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl;442 unsigned int val = ucontrol->value.integer.value[0];443 int ret;444 445 if (val == 0)446 return 0; /* 0 means no event */447 448 mutex_lock(&cs_ctl->dsp->pwr_lock);449 450 if (cs_ctl->enabled)451 ret = cs_dsp_coeff_write_acked_control(cs_ctl, val);452 else453 ret = -EPERM;454 455 mutex_unlock(&cs_ctl->dsp->pwr_lock);456 457 if (ret < 0)458 return ret;459 460 return 1;461}462 463static int wm_coeff_get(struct snd_kcontrol *kctl,464 struct snd_ctl_elem_value *ucontrol)465{466 struct soc_bytes_ext *bytes_ext =467 (struct soc_bytes_ext *)kctl->private_value;468 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);469 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl;470 char *p = ucontrol->value.bytes.data;471 472 return cs_dsp_coeff_lock_and_read_ctrl(cs_ctl, 0, p, cs_ctl->len);473}474 475static int wm_coeff_tlv_get(struct snd_kcontrol *kctl,476 unsigned int __user *bytes, unsigned int size)477{478 struct soc_bytes_ext *bytes_ext =479 (struct soc_bytes_ext *)kctl->private_value;480 struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);481 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl;482 int ret = 0;483 484 mutex_lock(&cs_ctl->dsp->pwr_lock);485 486 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, cs_ctl->cache, size);487 488 if (!ret && copy_to_user(bytes, cs_ctl->cache, size))489 ret = -EFAULT;490 491 mutex_unlock(&cs_ctl->dsp->pwr_lock);492 493 return ret;494}495 496static int wm_coeff_get_acked(struct snd_kcontrol *kcontrol,497 struct snd_ctl_elem_value *ucontrol)498{499 /*500 * Although it's not useful to read an acked control, we must satisfy501 * user-side assumptions that all controls are readable and that a502 * write of the same value should be filtered out (it's valid to send503 * the same event number again to the firmware). We therefore return 0,504 * meaning "no event" so valid event numbers will always be a change505 */506 ucontrol->value.integer.value[0] = 0;507 508 return 0;509}510 511static unsigned int wmfw_convert_flags(unsigned int in, unsigned int len)512{513 unsigned int out, rd, wr, vol;514 515 if (len > ADSP_MAX_STD_CTRL_SIZE) {516 rd = SNDRV_CTL_ELEM_ACCESS_TLV_READ;517 wr = SNDRV_CTL_ELEM_ACCESS_TLV_WRITE;518 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE;519 520 out = SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;521 } else {522 rd = SNDRV_CTL_ELEM_ACCESS_READ;523 wr = SNDRV_CTL_ELEM_ACCESS_WRITE;524 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE;525 526 out = 0;527 }528 529 if (in) {530 out |= rd;531 if (in & WMFW_CTL_FLAG_WRITEABLE)532 out |= wr;533 if (in & WMFW_CTL_FLAG_VOLATILE)534 out |= vol;535 } else {536 out |= rd | wr | vol;537 }538 539 return out;540}541 542static void wm_adsp_ctl_work(struct work_struct *work)543{544 struct wm_coeff_ctl *ctl = container_of(work,545 struct wm_coeff_ctl,546 work);547 struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl;548 struct wm_adsp *dsp = container_of(cs_ctl->dsp,549 struct wm_adsp,550 cs_dsp);551 struct snd_kcontrol_new *kcontrol;552 553 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL);554 if (!kcontrol)555 return;556 557 kcontrol->name = ctl->name;558 kcontrol->info = wm_coeff_info;559 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER;560 kcontrol->tlv.c = snd_soc_bytes_tlv_callback;561 kcontrol->private_value = (unsigned long)&ctl->bytes_ext;562 kcontrol->access = wmfw_convert_flags(cs_ctl->flags, cs_ctl->len);563 564 switch (cs_ctl->type) {565 case WMFW_CTL_TYPE_ACKED:566 kcontrol->get = wm_coeff_get_acked;567 kcontrol->put = wm_coeff_put_acked;568 break;569 default:570 if (kcontrol->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {571 ctl->bytes_ext.max = cs_ctl->len;572 ctl->bytes_ext.get = wm_coeff_tlv_get;573 ctl->bytes_ext.put = wm_coeff_tlv_put;574 } else {575 kcontrol->get = wm_coeff_get;576 kcontrol->put = wm_coeff_put;577 }578 break;579 }580 581 snd_soc_add_component_controls(dsp->component, kcontrol, 1);582 583 kfree(kcontrol);584}585 586int wm_adsp_control_add(struct cs_dsp_coeff_ctl *cs_ctl)587{588 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp);589 struct cs_dsp *cs_dsp = &dsp->cs_dsp;590 struct wm_coeff_ctl *ctl;591 char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];592 const char *region_name;593 int ret;594 595 if (cs_ctl->flags & WMFW_CTL_FLAG_SYS)596 return 0;597 598 region_name = cs_dsp_mem_region_name(cs_ctl->alg_region.type);599 if (!region_name) {600 adsp_err(dsp, "Unknown region type: %d\n", cs_ctl->alg_region.type);601 return -EINVAL;602 }603 604 switch (cs_dsp->wmfw_ver) {605 case 0:606 case 1:607 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,608 "%s %s %x", cs_dsp->name, region_name,609 cs_ctl->alg_region.alg);610 break;611 case 2:612 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,613 "%s%c %.12s %x", cs_dsp->name, *region_name,614 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg);615 break;616 default:617 ret = scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,618 "%s %.12s %x", cs_dsp->name,619 wm_adsp_fw_text[dsp->fw], cs_ctl->alg_region.alg);620 break;621 }622 623 if (cs_ctl->subname) {624 int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2;625 int skip = 0;626 627 if (dsp->component->name_prefix)628 avail -= strlen(dsp->component->name_prefix) + 1;629 630 /* Truncate the subname from the start if it is too long */631 if (cs_ctl->subname_len > avail)632 skip = cs_ctl->subname_len - avail;633 634 snprintf(name + ret, SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret,635 " %.*s", cs_ctl->subname_len - skip, cs_ctl->subname + skip);636 }637 638 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);639 if (!ctl)640 return -ENOMEM;641 ctl->cs_ctl = cs_ctl;642 643 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL);644 if (!ctl->name) {645 ret = -ENOMEM;646 goto err_ctl;647 }648 649 cs_ctl->priv = ctl;650 651 INIT_WORK(&ctl->work, wm_adsp_ctl_work);652 schedule_work(&ctl->work);653 654 return 0;655 656err_ctl:657 kfree(ctl);658 659 return ret;660}661EXPORT_SYMBOL_GPL(wm_adsp_control_add);662 663static int wm_adsp_control_add_cb(struct cs_dsp_coeff_ctl *cs_ctl)664{665 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp);666 667 if (dsp->control_add)668 return (dsp->control_add)(dsp, cs_ctl);669 else670 return wm_adsp_control_add(cs_ctl);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;687 int ret;688 689 mutex_lock(&dsp->cs_dsp.pwr_lock);690 cs_ctl = cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg);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 return 0;698}699EXPORT_SYMBOL_GPL(wm_adsp_write_ctl);700 701int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type,702 unsigned int alg, void *buf, size_t len)703{704 int ret;705 706 mutex_lock(&dsp->cs_dsp.pwr_lock);707 ret = cs_dsp_coeff_read_ctrl(cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg),708 0, buf, len);709 mutex_unlock(&dsp->cs_dsp.pwr_lock);710 711 return ret;712}713EXPORT_SYMBOL_GPL(wm_adsp_read_ctl);714 715static void wm_adsp_release_firmware_files(struct wm_adsp *dsp,716 const struct firmware *wmfw_firmware,717 char *wmfw_filename,718 const struct firmware *coeff_firmware,719 char *coeff_filename)720{721 if (wmfw_firmware)722 release_firmware(wmfw_firmware);723 kfree(wmfw_filename);724 725 if (coeff_firmware)726 release_firmware(coeff_firmware);727 kfree(coeff_filename);728}729 730static int wm_adsp_request_firmware_file(struct wm_adsp *dsp,731 const struct firmware **firmware, char **filename,732 const char *dir, const char *system_name,733 const char *asoc_component_prefix,734 const char *filetype)735{736 struct cs_dsp *cs_dsp = &dsp->cs_dsp;737 const char *fwf;738 char *s, c;739 int ret = 0;740 741 if (dsp->fwf_name)742 fwf = dsp->fwf_name;743 else744 fwf = dsp->cs_dsp.name;745 746 if (system_name && asoc_component_prefix)747 *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s-%s.%s", dir, dsp->part,748 fwf, 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 fwf, wm_adsp_fw[dsp->fw].file, system_name,753 filetype);754 else755 *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s.%s", dir, dsp->part, fwf,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-numeric763 * characters except full stop and forward slash are replaced with764 * 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 } else {782 adsp_dbg(dsp, "Found '%s'\n", *filename);783 }784 785 return ret;786}787 788static const char *cirrus_dir = "cirrus/";789static int wm_adsp_request_firmware_files(struct wm_adsp *dsp,790 const struct firmware **wmfw_firmware,791 char **wmfw_filename,792 const struct firmware **coeff_firmware,793 char **coeff_filename)794{795 const char *system_name = dsp->system_name;796 const char *asoc_component_prefix = dsp->component->name_prefix;797 int ret = 0;798 799 if (system_name && asoc_component_prefix) {800 if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename,801 cirrus_dir, system_name,802 asoc_component_prefix, "wmfw")) {803 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,804 cirrus_dir, system_name,805 asoc_component_prefix, "bin");806 return 0;807 }808 }809 810 if (system_name) {811 if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename,812 cirrus_dir, system_name,813 NULL, "wmfw")) {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 /* Check system-specific bin without wmfw before falling back to generic */828 if (dsp->wmfw_optional && system_name) {829 if (asoc_component_prefix)830 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,831 cirrus_dir, system_name,832 asoc_component_prefix, "bin");833 834 if (!*coeff_firmware)835 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,836 cirrus_dir, system_name,837 NULL, "bin");838 839 if (*coeff_firmware)840 return 0;841 }842 843 /* Check legacy location */844 if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename,845 "", NULL, NULL, "wmfw")) {846 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,847 "", NULL, NULL, "bin");848 return 0;849 }850 851 /* Fall back to generic wmfw and optional matching bin */852 ret = wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename,853 cirrus_dir, NULL, NULL, "wmfw");854 if (!ret || dsp->wmfw_optional) {855 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,856 cirrus_dir, NULL, NULL, "bin");857 return 0;858 }859 860 adsp_err(dsp, "Failed to request firmware <%s>%s-%s-%s<-%s<%s>>.wmfw\n",861 cirrus_dir, dsp->part,862 dsp->fwf_name ? dsp->fwf_name : dsp->cs_dsp.name,863 wm_adsp_fw[dsp->fw].file, system_name, asoc_component_prefix);864 865 return -ENOENT;866}867 868static int wm_adsp_common_init(struct wm_adsp *dsp)869{870 INIT_LIST_HEAD(&dsp->compr_list);871 INIT_LIST_HEAD(&dsp->buffer_list);872 873 return 0;874}875 876int wm_adsp1_init(struct wm_adsp *dsp)877{878 int ret;879 880 dsp->cs_dsp.client_ops = &wm_adsp1_client_ops;881 882 ret = cs_dsp_adsp1_init(&dsp->cs_dsp);883 if (ret)884 return ret;885 886 return wm_adsp_common_init(dsp);887}888EXPORT_SYMBOL_GPL(wm_adsp1_init);889 890int wm_adsp1_event(struct snd_soc_dapm_widget *w,891 struct snd_kcontrol *kcontrol,892 int event)893{894 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);895 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);896 struct wm_adsp *dsp = &dsps[w->shift];897 int ret = 0;898 char *wmfw_filename = NULL;899 const struct firmware *wmfw_firmware = NULL;900 char *coeff_filename = NULL;901 const struct firmware *coeff_firmware = NULL;902 903 dsp->component = component;904 905 switch (event) {906 case SND_SOC_DAPM_POST_PMU:907 ret = wm_adsp_request_firmware_files(dsp,908 &wmfw_firmware, &wmfw_filename,909 &coeff_firmware, &coeff_filename);910 if (ret)911 break;912 913 ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp,914 wmfw_firmware, wmfw_filename,915 coeff_firmware, coeff_filename,916 wm_adsp_fw_text[dsp->fw]);917 918 wm_adsp_release_firmware_files(dsp,919 wmfw_firmware, wmfw_filename,920 coeff_firmware, coeff_filename);921 break;922 case SND_SOC_DAPM_PRE_PMD:923 cs_dsp_adsp1_power_down(&dsp->cs_dsp);924 break;925 default:926 break;927 }928 929 return ret;930}931EXPORT_SYMBOL_GPL(wm_adsp1_event);932 933int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq)934{935 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);936 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);937 struct wm_adsp *dsp = &dsps[w->shift];938 939 return cs_dsp_set_dspclk(&dsp->cs_dsp, freq);940}941EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk);942 943int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol,944 struct snd_ctl_elem_value *ucontrol)945{946 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);947 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);948 struct soc_mixer_control *mc =949 (struct soc_mixer_control *)kcontrol->private_value;950 struct wm_adsp *dsp = &dsps[mc->shift - 1];951 952 ucontrol->value.integer.value[0] = dsp->preloaded;953 954 return 0;955}956EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get);957 958int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,959 struct snd_ctl_elem_value *ucontrol)960{961 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);962 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);963 struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);964 struct soc_mixer_control *mc =965 (struct soc_mixer_control *)kcontrol->private_value;966 struct wm_adsp *dsp = &dsps[mc->shift - 1];967 char preload[32];968 969 if (dsp->preloaded == ucontrol->value.integer.value[0])970 return 0;971 972 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name);973 974 if (ucontrol->value.integer.value[0] || dsp->toggle_preload)975 snd_soc_component_force_enable_pin(component, preload);976 else977 snd_soc_component_disable_pin(component, preload);978 979 snd_soc_dapm_sync(dapm);980 981 flush_work(&dsp->boot_work);982 983 dsp->preloaded = ucontrol->value.integer.value[0];984 985 if (dsp->toggle_preload) {986 snd_soc_component_disable_pin(component, preload);987 snd_soc_dapm_sync(dapm);988 }989 990 return 1;991}992EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put);993 994int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware)995{996 int ret = 0;997 char *wmfw_filename = NULL;998 const struct firmware *wmfw_firmware = NULL;999 char *coeff_filename = NULL;1000 const struct firmware *coeff_firmware = NULL;1001 1002 if (load_firmware) {1003 ret = wm_adsp_request_firmware_files(dsp,1004 &wmfw_firmware, &wmfw_filename,1005 &coeff_firmware, &coeff_filename);1006 if (ret)1007 return ret;1008 }1009 1010 ret = cs_dsp_power_up(&dsp->cs_dsp,1011 wmfw_firmware, wmfw_filename,1012 coeff_firmware, coeff_filename,1013 wm_adsp_fw_text[dsp->fw]);1014 1015 wm_adsp_release_firmware_files(dsp,1016 wmfw_firmware, wmfw_filename,1017 coeff_firmware, coeff_filename);1018 1019 return ret;1020}1021EXPORT_SYMBOL_GPL(wm_adsp_power_up);1022 1023void wm_adsp_power_down(struct wm_adsp *dsp)1024{1025 cs_dsp_power_down(&dsp->cs_dsp);1026}1027EXPORT_SYMBOL_GPL(wm_adsp_power_down);1028 1029static void wm_adsp_boot_work(struct work_struct *work)1030{1031 struct wm_adsp *dsp = container_of(work,1032 struct wm_adsp,1033 boot_work);1034 1035 wm_adsp_power_up(dsp, true);1036}1037 1038int wm_adsp_early_event(struct snd_soc_dapm_widget *w,1039 struct snd_kcontrol *kcontrol, int event)1040{1041 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);1042 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);1043 struct wm_adsp *dsp = &dsps[w->shift];1044 1045 switch (event) {1046 case SND_SOC_DAPM_PRE_PMU:1047 queue_work(system_unbound_wq, &dsp->boot_work);1048 break;1049 case SND_SOC_DAPM_PRE_PMD:1050 wm_adsp_power_down(dsp);1051 break;1052 default:1053 break;1054 }1055 1056 return 0;1057}1058EXPORT_SYMBOL_GPL(wm_adsp_early_event);1059 1060static int wm_adsp_pre_run(struct cs_dsp *cs_dsp)1061{1062 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp);1063 1064 if (!dsp->pre_run)1065 return 0;1066 1067 return (*dsp->pre_run)(dsp);1068}1069 1070static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp)1071{1072 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp);1073 1074 if (wm_adsp_fw[dsp->fw].num_caps != 0)1075 return wm_adsp_buffer_init(dsp);1076 1077 return 0;1078}1079 1080static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp)1081{1082 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp);1083 1084 if (wm_adsp_fw[dsp->fw].num_caps != 0)1085 wm_adsp_buffer_free(dsp);1086 1087 dsp->fatal_error = false;1088}1089 1090int wm_adsp_run(struct wm_adsp *dsp)1091{1092 flush_work(&dsp->boot_work);1093 1094 return cs_dsp_run(&dsp->cs_dsp);1095}1096EXPORT_SYMBOL_GPL(wm_adsp_run);1097 1098void wm_adsp_stop(struct wm_adsp *dsp)1099{1100 cs_dsp_stop(&dsp->cs_dsp);1101}1102EXPORT_SYMBOL_GPL(wm_adsp_stop);1103 1104int wm_adsp_event(struct snd_soc_dapm_widget *w,1105 struct snd_kcontrol *kcontrol, int event)1106{1107 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);1108 struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);1109 struct wm_adsp *dsp = &dsps[w->shift];1110 1111 switch (event) {1112 case SND_SOC_DAPM_POST_PMU:1113 return wm_adsp_run(dsp);1114 case SND_SOC_DAPM_PRE_PMD:1115 wm_adsp_stop(dsp);1116 return 0;1117 default:1118 return 0;1119 }1120}1121EXPORT_SYMBOL_GPL(wm_adsp_event);1122 1123int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component)1124{1125 char preload[32];1126 1127 if (!dsp->cs_dsp.no_core_startstop) {1128 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name);1129 snd_soc_component_disable_pin(component, preload);1130 }1131 1132 cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root);1133 1134 dsp->component = component;1135 1136 return 0;1137}1138EXPORT_SYMBOL_GPL(wm_adsp2_component_probe);1139 1140int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component)1141{1142 cs_dsp_cleanup_debugfs(&dsp->cs_dsp);1143 1144 return 0;1145}1146EXPORT_SYMBOL_GPL(wm_adsp2_component_remove);1147 1148int wm_adsp2_init(struct wm_adsp *dsp)1149{1150 int ret;1151 1152 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work);1153 1154 dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr);1155 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops;1156 1157 ret = cs_dsp_adsp2_init(&dsp->cs_dsp);1158 if (ret)1159 return ret;1160 1161 return wm_adsp_common_init(dsp);1162}1163EXPORT_SYMBOL_GPL(wm_adsp2_init);1164 1165int wm_halo_init(struct wm_adsp *dsp)1166{1167 int ret;1168 1169 INIT_WORK(&dsp->boot_work, wm_adsp_boot_work);1170 1171 dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr);1172 dsp->cs_dsp.client_ops = &wm_adsp2_client_ops;1173 1174 ret = cs_dsp_halo_init(&dsp->cs_dsp);1175 if (ret)1176 return ret;1177 1178 return wm_adsp_common_init(dsp);1179}1180EXPORT_SYMBOL_GPL(wm_halo_init);1181 1182void wm_adsp2_remove(struct wm_adsp *dsp)1183{1184 cs_dsp_remove(&dsp->cs_dsp);1185}1186EXPORT_SYMBOL_GPL(wm_adsp2_remove);1187 1188static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr)1189{1190 return compr->buf != NULL;1191}1192 1193static int wm_adsp_compr_attach(struct wm_adsp_compr *compr)1194{1195 struct wm_adsp_compr_buf *buf = NULL, *tmp;1196 1197 if (compr->dsp->fatal_error)1198 return -EINVAL;1199 1200 list_for_each_entry(tmp, &compr->dsp->buffer_list, list) {1201 if (!tmp->name || !strcmp(compr->name, tmp->name)) {1202 buf = tmp;1203 break;1204 }1205 }1206 1207 if (!buf)1208 return -EINVAL;1209 1210 compr->buf = buf;1211 buf->compr = compr;1212 1213 return 0;1214}1215 1216static void wm_adsp_compr_detach(struct wm_adsp_compr *compr)1217{1218 if (!compr)1219 return;1220 1221 /* Wake the poll so it can see buffer is no longer attached */1222 if (compr->stream)1223 snd_compr_fragment_elapsed(compr->stream);1224 1225 if (wm_adsp_compr_attached(compr)) {1226 compr->buf->compr = NULL;1227 compr->buf = NULL;1228 }1229}1230 1231int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream)1232{1233 struct wm_adsp_compr *compr, *tmp;1234 struct snd_soc_pcm_runtime *rtd = stream->private_data;1235 int ret = 0;1236 1237 mutex_lock(&dsp->cs_dsp.pwr_lock);1238 1239 if (wm_adsp_fw[dsp->fw].num_caps == 0) {1240 adsp_err(dsp, "%s: Firmware does not support compressed API\n",1241 snd_soc_rtd_to_codec(rtd, 0)->name);1242 ret = -ENXIO;1243 goto out;1244 }1245 1246 if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) {1247 adsp_err(dsp, "%s: Firmware does not support stream direction\n",1248 snd_soc_rtd_to_codec(rtd, 0)->name);1249 ret = -EINVAL;1250 goto out;1251 }1252 1253 list_for_each_entry(tmp, &dsp->compr_list, list) {1254 if (!strcmp(tmp->name, snd_soc_rtd_to_codec(rtd, 0)->name)) {1255 adsp_err(dsp, "%s: Only a single stream supported per dai\n",1256 snd_soc_rtd_to_codec(rtd, 0)->name);1257 ret = -EBUSY;1258 goto out;1259 }1260 }1261 1262 compr = kzalloc(sizeof(*compr), GFP_KERNEL);1263 if (!compr) {1264 ret = -ENOMEM;1265 goto out;1266 }1267 1268 compr->dsp = dsp;1269 compr->stream = stream;1270 compr->name = snd_soc_rtd_to_codec(rtd, 0)->name;1271 1272 list_add_tail(&compr->list, &dsp->compr_list);1273 1274 stream->runtime->private_data = compr;1275 1276out:1277 mutex_unlock(&dsp->cs_dsp.pwr_lock);1278 1279 return ret;1280}1281EXPORT_SYMBOL_GPL(wm_adsp_compr_open);1282 1283int wm_adsp_compr_free(struct snd_soc_component *component,1284 struct snd_compr_stream *stream)1285{1286 struct wm_adsp_compr *compr = stream->runtime->private_data;1287 struct wm_adsp *dsp = compr->dsp;1288 1289 mutex_lock(&dsp->cs_dsp.pwr_lock);1290 1291 wm_adsp_compr_detach(compr);1292 list_del(&compr->list);1293 1294 kfree(compr->raw_buf);1295 kfree(compr);1296 1297 mutex_unlock(&dsp->cs_dsp.pwr_lock);1298 1299 return 0;1300}1301EXPORT_SYMBOL_GPL(wm_adsp_compr_free);1302 1303static int wm_adsp_compr_check_params(struct snd_compr_stream *stream,1304 struct snd_compr_params *params)1305{1306 struct wm_adsp_compr *compr = stream->runtime->private_data;1307 struct wm_adsp *dsp = compr->dsp;1308 const struct wm_adsp_fw_caps *caps;1309 const struct snd_codec_desc *desc;1310 int i, j;1311 1312 if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE ||1313 params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE ||1314 params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS ||1315 params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS ||1316 params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) {1317 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n",1318 params->buffer.fragment_size,1319 params->buffer.fragments);1320 1321 return -EINVAL;1322 }1323 1324 for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) {1325 caps = &wm_adsp_fw[dsp->fw].caps[i];1326 desc = &caps->desc;1327 1328 if (caps->id != params->codec.id)1329 continue;1330 1331 if (stream->direction == SND_COMPRESS_PLAYBACK) {1332 if (desc->max_ch < params->codec.ch_out)1333 continue;1334 } else {1335 if (desc->max_ch < params->codec.ch_in)1336 continue;1337 }1338 1339 if (!(desc->formats & (1 << params->codec.format)))1340 continue;1341 1342 for (j = 0; j < desc->num_sample_rates; ++j)1343 if (desc->sample_rates[j] == params->codec.sample_rate)1344 return 0;1345 }1346 1347 compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n",1348 params->codec.id, params->codec.ch_in, params->codec.ch_out,1349 params->codec.sample_rate, params->codec.format);1350 return -EINVAL;1351}1352 1353static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr)1354{1355 return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE;1356}1357 1358int wm_adsp_compr_set_params(struct snd_soc_component *component,1359 struct snd_compr_stream *stream,1360 struct snd_compr_params *params)1361{1362 struct wm_adsp_compr *compr = stream->runtime->private_data;1363 unsigned int size;1364 int ret;1365 1366 ret = wm_adsp_compr_check_params(stream, params);1367 if (ret)1368 return ret;1369 1370 compr->size = params->buffer;1371 1372 compr_dbg(compr, "fragment_size=%d fragments=%d\n",1373 compr->size.fragment_size, compr->size.fragments);1374 1375 size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf);1376 compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL);1377 if (!compr->raw_buf)1378 return -ENOMEM;1379 1380 compr->sample_rate = params->codec.sample_rate;1381 1382 return 0;1383}1384EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params);1385 1386int wm_adsp_compr_get_caps(struct snd_soc_component *component,1387 struct snd_compr_stream *stream,1388 struct snd_compr_caps *caps)1389{1390 struct wm_adsp_compr *compr = stream->runtime->private_data;1391 int fw = compr->dsp->fw;1392 int i;1393 1394 if (wm_adsp_fw[fw].caps) {1395 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++)1396 caps->codecs[i] = wm_adsp_fw[fw].caps[i].id;1397 1398 caps->num_codecs = i;1399 caps->direction = wm_adsp_fw[fw].compr_direction;1400 1401 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE;1402 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE;1403 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS;1404 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS;1405 }1406 1407 return 0;1408}1409EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps);1410 1411static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf,1412 unsigned int field_offset, u32 *data)1413{1414 return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type,1415 buf->host_buf_ptr + field_offset, data);1416}1417 1418static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf,1419 unsigned int field_offset, u32 data)1420{1421 return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type,1422 buf->host_buf_ptr + field_offset,1423 data);1424}1425 1426static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf)1427{1428 const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps;1429 struct wm_adsp_buffer_region *region;1430 u32 offset = 0;1431 int i, ret;1432 1433 buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions),1434 GFP_KERNEL);1435 if (!buf->regions)1436 return -ENOMEM;1437 1438 for (i = 0; i < caps->num_regions; ++i) {1439 region = &buf->regions[i];1440 1441 region->offset = offset;1442 region->mem_type = caps->region_defs[i].mem_type;1443 1444 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset,1445 ®ion->base_addr);1446 if (ret < 0)1447 goto err;1448 1449 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset,1450 &offset);1451 if (ret < 0)1452 goto err;1453 1454 region->cumulative_size = offset;1455 1456 compr_dbg(buf,1457 "region=%d type=%d base=%08x off=%08x size=%08x\n",1458 i, region->mem_type, region->base_addr,1459 region->offset, region->cumulative_size);1460 }1461 1462 return 0;1463 1464err:1465 kfree(buf->regions);1466 return ret;1467}1468 1469static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf)1470{1471 buf->irq_count = 0xFFFFFFFF;1472 buf->read_index = -1;1473 buf->avail = 0;1474}1475 1476static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp)1477{1478 struct wm_adsp_compr_buf *buf;1479 1480 buf = kzalloc(sizeof(*buf), GFP_KERNEL);1481 if (!buf)1482 return NULL;1483 1484 buf->dsp = dsp;1485 1486 wm_adsp_buffer_clear(buf);1487 1488 return buf;1489}1490 1491static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp)1492{1493 struct cs_dsp_alg_region *alg_region;1494 struct wm_adsp_compr_buf *buf;1495 u32 xmalg, addr, magic;1496 int i, ret;1497 1498 alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id);1499 if (!alg_region) {1500 adsp_err(dsp, "No algorithm region found\n");1501 return -EINVAL;1502 }1503 1504 xmalg = dsp->sys_config_size / sizeof(__be32);1505 1506 addr = alg_region->base + xmalg + ALG_XM_FIELD(magic);1507 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic);1508 if (ret < 0)1509 return ret;1510 1511 if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC)1512 return -ENODEV;1513 1514 buf = wm_adsp_buffer_alloc(dsp);1515 if (!buf)1516 return -ENOMEM;1517 1518 addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr);1519 for (i = 0; i < 5; ++i) {1520 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr,1521 &buf->host_buf_ptr);1522 if (ret < 0)1523 goto err;1524 1525 if (buf->host_buf_ptr)1526 break;1527 1528 usleep_range(1000, 2000);1529 }1530 1531 if (!buf->host_buf_ptr) {1532 ret = -EIO;1533 goto err;1534 }1535 1536 buf->host_buf_mem_type = WMFW_ADSP2_XM;1537 1538 ret = wm_adsp_buffer_populate(buf);1539 if (ret < 0)1540 goto err;1541 1542 list_add_tail(&buf->list, &dsp->buffer_list);1543 1544 compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr);1545 1546 return 0;1547 1548err:1549 kfree(buf);1550 1551 return ret;1552}1553 1554static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl)1555{1556 struct wm_adsp_host_buf_coeff_v1 coeff_v1;1557 struct wm_adsp_compr_buf *buf;1558 struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp);1559 unsigned int version = 0;1560 int ret, i;1561 1562 for (i = 0; i < 5; ++i) {1563 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, &coeff_v1,1564 min(cs_ctl->len, sizeof(coeff_v1)));1565 if (ret < 0)1566 return ret;1567 1568 if (coeff_v1.host_buf_ptr)1569 break;1570 1571 usleep_range(1000, 2000);1572 }1573 1574 if (!coeff_v1.host_buf_ptr) {1575 adsp_err(dsp, "Failed to acquire host buffer\n");1576 return -EIO;1577 }1578 1579 buf = wm_adsp_buffer_alloc(dsp);1580 if (!buf)1581 return -ENOMEM;1582 1583 buf->host_buf_mem_type = cs_ctl->alg_region.type;1584 buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr);1585 1586 ret = wm_adsp_buffer_populate(buf);1587 if (ret < 0)1588 goto err;1589 1590 /*1591 * v0 host_buffer coefficients didn't have versioning, so if the1592 * control is one word, assume version 0.1593 */1594 if (cs_ctl->len == 4)1595 goto done;1596 1597 version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK;1598 version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT;1599 1600 if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) {1601 adsp_err(dsp,1602 "Host buffer coeff ver %u > supported version %u\n",1603 version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER);1604 ret = -EINVAL;1605 goto err;1606 }1607 1608 cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name));1609 1610 buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part,1611 (char *)&coeff_v1.name);1612 1613done:1614 list_add_tail(&buf->list, &dsp->buffer_list);1615 1616 compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n",1617 buf->host_buf_ptr, version);1618 1619 return version;1620 1621err:1622 kfree(buf);1623 1624 return ret;1625}1626 1627static int wm_adsp_buffer_init(struct wm_adsp *dsp)1628{1629 struct cs_dsp_coeff_ctl *cs_ctl;1630 int ret;1631 1632 list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) {1633 if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER)1634 continue;1635 1636 if (!cs_ctl->enabled)1637 continue;1638 1639 ret = wm_adsp_buffer_parse_coeff(cs_ctl);1640 if (ret < 0) {1641 adsp_err(dsp, "Failed to parse coeff: %d\n", ret);1642 goto error;1643 } else if (ret == 0) {1644 /* Only one buffer supported for version 0 */1645 return 0;1646 }1647 }1648 1649 if (list_empty(&dsp->buffer_list)) {1650 /* Fall back to legacy support */1651 ret = wm_adsp_buffer_parse_legacy(dsp);1652 if (ret == -ENODEV)1653 adsp_info(dsp, "Legacy support not available\n");1654 else if (ret)1655 adsp_warn(dsp, "Failed to parse legacy: %d\n", ret);1656 }1657 1658 return 0;1659 1660error:1661 wm_adsp_buffer_free(dsp);1662 return ret;1663}1664 1665static int wm_adsp_buffer_free(struct wm_adsp *dsp)1666{1667 struct wm_adsp_compr_buf *buf, *tmp;1668 1669 list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) {1670 wm_adsp_compr_detach(buf->compr);1671 1672 kfree(buf->name);1673 kfree(buf->regions);1674 list_del(&buf->list);1675 kfree(buf);1676 }1677 1678 return 0;1679}1680 1681static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf)1682{1683 int ret;1684 1685 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error);1686 if (ret < 0) {1687 compr_err(buf, "Failed to check buffer error: %d\n", ret);1688 return ret;1689 }1690 if (buf->error != 0) {1691 compr_err(buf, "Buffer error occurred: %d\n", buf->error);1692 return -EIO;1693 }1694 1695 return 0;1696}1697 1698int wm_adsp_compr_trigger(struct snd_soc_component *component,1699 struct snd_compr_stream *stream, int cmd)1700{1701 struct wm_adsp_compr *compr = stream->runtime->private_data;1702 struct wm_adsp *dsp = compr->dsp;1703 int ret = 0;1704 1705 compr_dbg(compr, "Trigger: %d\n", cmd);1706 1707 mutex_lock(&dsp->cs_dsp.pwr_lock);1708 1709 switch (cmd) {1710 case SNDRV_PCM_TRIGGER_START:1711 if (!wm_adsp_compr_attached(compr)) {1712 ret = wm_adsp_compr_attach(compr);1713 if (ret < 0) {1714 compr_err(compr, "Failed to link buffer and stream: %d\n",1715 ret);1716 break;1717 }1718 }1719 1720 ret = wm_adsp_buffer_get_error(compr->buf);1721 if (ret < 0)1722 break;1723 1724 /* Trigger the IRQ at one fragment of data */1725 ret = wm_adsp_buffer_write(compr->buf,1726 HOST_BUFFER_FIELD(high_water_mark),1727 wm_adsp_compr_frag_words(compr));1728 if (ret < 0) {1729 compr_err(compr, "Failed to set high water mark: %d\n",1730 ret);1731 break;1732 }1733 break;1734 case SNDRV_PCM_TRIGGER_STOP:1735 if (wm_adsp_compr_attached(compr))1736 wm_adsp_buffer_clear(compr->buf);1737 break;1738 default:1739 ret = -EINVAL;1740 break;1741 }1742 1743 mutex_unlock(&dsp->cs_dsp.pwr_lock);1744 1745 return ret;1746}1747EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger);1748 1749static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf)1750{1751 int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1;1752 1753 return buf->regions[last_region].cumulative_size;1754}1755 1756static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf)1757{1758 u32 next_read_index, next_write_index;1759 int write_index, read_index, avail;1760 int ret;1761 1762 /* Only sync read index if we haven't already read a valid index */1763 if (buf->read_index < 0) {1764 ret = wm_adsp_buffer_read(buf,1765 HOST_BUFFER_FIELD(next_read_index),1766 &next_read_index);1767 if (ret < 0)1768 return ret;1769 1770 read_index = sign_extend32(next_read_index, 23);1771 1772 if (read_index < 0) {1773 compr_dbg(buf, "Avail check on unstarted stream\n");1774 return 0;1775 }1776 1777 buf->read_index = read_index;1778 }1779 1780 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index),1781 &next_write_index);1782 if (ret < 0)1783 return ret;1784 1785 write_index = sign_extend32(next_write_index, 23);1786 1787 avail = write_index - buf->read_index;1788 if (avail < 0)1789 avail += wm_adsp_buffer_size(buf);1790 1791 compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n",1792 buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE);1793 1794 buf->avail = avail;1795 1796 return 0;1797}1798 1799int wm_adsp_compr_handle_irq(struct wm_adsp *dsp)1800{1801 struct wm_adsp_compr_buf *buf;1802 struct wm_adsp_compr *compr;1803 int ret = 0;1804 1805 mutex_lock(&dsp->cs_dsp.pwr_lock);1806 1807 if (list_empty(&dsp->buffer_list)) {1808 ret = -ENODEV;1809 goto out;1810 }1811 1812 adsp_dbg(dsp, "Handling buffer IRQ\n");1813 1814 list_for_each_entry(buf, &dsp->buffer_list, list) {1815 compr = buf->compr;1816 1817 ret = wm_adsp_buffer_get_error(buf);1818 if (ret < 0)1819 goto out_notify; /* Wake poll to report error */1820 1821 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count),1822 &buf->irq_count);1823 if (ret < 0) {1824 compr_err(buf, "Failed to get irq_count: %d\n", ret);1825 goto out;1826 }1827 1828 ret = wm_adsp_buffer_update_avail(buf);1829 if (ret < 0) {1830 compr_err(buf, "Error reading avail: %d\n", ret);1831 goto out;1832 }1833 1834 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2)1835 ret = WM_ADSP_COMPR_VOICE_TRIGGER;1836 1837out_notify:1838 if (compr && compr->stream)1839 snd_compr_fragment_elapsed(compr->stream);1840 }1841 1842out:1843 mutex_unlock(&dsp->cs_dsp.pwr_lock);1844 1845 return ret;1846}1847EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq);1848 1849static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf)1850{1851 if (buf->irq_count & 0x01)1852 return 0;1853 1854 compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count);1855 1856 buf->irq_count |= 0x01;1857 1858 return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack),1859 buf->irq_count);1860}1861 1862int wm_adsp_compr_pointer(struct snd_soc_component *component,1863 struct snd_compr_stream *stream,1864 struct snd_compr_tstamp *tstamp)1865{1866 struct wm_adsp_compr *compr = stream->runtime->private_data;1867 struct wm_adsp *dsp = compr->dsp;1868 struct wm_adsp_compr_buf *buf;1869 int ret = 0;1870 1871 compr_dbg(compr, "Pointer request\n");1872 1873 mutex_lock(&dsp->cs_dsp.pwr_lock);1874 1875 buf = compr->buf;1876 1877 if (dsp->fatal_error || !buf || buf->error) {1878 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN);1879 ret = -EIO;1880 goto out;1881 }1882 1883 if (buf->avail < wm_adsp_compr_frag_words(compr)) {1884 ret = wm_adsp_buffer_update_avail(buf);1885 if (ret < 0) {1886 compr_err(compr, "Error reading avail: %d\n", ret);1887 goto out;1888 }1889 1890 /*1891 * If we really have less than 1 fragment available tell the1892 * DSP to inform us once a whole fragment is available.1893 */1894 if (buf->avail < wm_adsp_compr_frag_words(compr)) {1895 ret = wm_adsp_buffer_get_error(buf);1896 if (ret < 0) {1897 if (buf->error)1898 snd_compr_stop_error(stream,1899 SNDRV_PCM_STATE_XRUN);1900 goto out;1901 }1902 1903 ret = wm_adsp_buffer_reenable_irq(buf);1904 if (ret < 0) {1905 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n",1906 ret);1907 goto out;1908 }1909 }1910 }1911 1912 tstamp->copied_total = compr->copied_total;1913 tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE;1914 tstamp->sampling_rate = compr->sample_rate;1915 1916out:1917 mutex_unlock(&dsp->cs_dsp.pwr_lock);1918 1919 return ret;1920}1921EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer);1922 1923static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target)1924{1925 struct wm_adsp_compr_buf *buf = compr->buf;1926 unsigned int adsp_addr;1927 int mem_type, nwords, max_read;1928 int i, ret;1929 1930 /* Calculate read parameters */1931 for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i)1932 if (buf->read_index < buf->regions[i].cumulative_size)1933 break;1934 1935 if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions)1936 return -EINVAL;1937 1938 mem_type = buf->regions[i].mem_type;1939 adsp_addr = buf->regions[i].base_addr +1940 (buf->read_index - buf->regions[i].offset);1941 1942 max_read = wm_adsp_compr_frag_words(compr);1943 nwords = buf->regions[i].cumulative_size - buf->read_index;1944 1945 if (nwords > target)1946 nwords = target;1947 if (nwords > buf->avail)1948 nwords = buf->avail;1949 if (nwords > max_read)1950 nwords = max_read;1951 if (!nwords)1952 return 0;1953 1954 /* Read data from DSP */1955 ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr,1956 nwords, (__be32 *)compr->raw_buf);1957 if (ret < 0)1958 return ret;1959 1960 cs_dsp_remove_padding(compr->raw_buf, nwords);1961 1962 /* update read index to account for words read */1963 buf->read_index += nwords;1964 if (buf->read_index == wm_adsp_buffer_size(buf))1965 buf->read_index = 0;1966 1967 ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index),1968 buf->read_index);1969 if (ret < 0)1970 return ret;1971 1972 /* update avail to account for words read */1973 buf->avail -= nwords;1974 1975 return nwords;1976}1977 1978static int wm_adsp_compr_read(struct wm_adsp_compr *compr,1979 char __user *buf, size_t count)1980{1981 struct wm_adsp *dsp = compr->dsp;1982 int ntotal = 0;1983 int nwords, nbytes;1984 1985 compr_dbg(compr, "Requested read of %zu bytes\n", count);1986 1987 if (dsp->fatal_error || !compr->buf || compr->buf->error) {1988 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN);1989 return -EIO;1990 }1991 1992 count /= CS_DSP_DATA_WORD_SIZE;1993 1994 do {1995 nwords = wm_adsp_buffer_capture_block(compr, count);1996 if (nwords < 0) {1997 compr_err(compr, "Failed to capture block: %d\n",1998 nwords);1999 return nwords;2000 }2001 2002 nbytes = nwords * CS_DSP_DATA_WORD_SIZE;2003 2004 compr_dbg(compr, "Read %d bytes\n", nbytes);2005 2006 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) {2007 compr_err(compr, "Failed to copy data to user: %d, %d\n",2008 ntotal, nbytes);2009 return -EFAULT;2010 }2011 2012 count -= nwords;2013 ntotal += nbytes;2014 } while (nwords > 0 && count > 0);2015 2016 compr->copied_total += ntotal;2017 2018 return ntotal;2019}2020 2021int wm_adsp_compr_copy(struct snd_soc_component *component,2022 struct snd_compr_stream *stream, char __user *buf,2023 size_t count)2024{2025 struct wm_adsp_compr *compr = stream->runtime->private_data;2026 struct wm_adsp *dsp = compr->dsp;2027 int ret;2028 2029 mutex_lock(&dsp->cs_dsp.pwr_lock);2030 2031 if (stream->direction == SND_COMPRESS_CAPTURE)2032 ret = wm_adsp_compr_read(compr, buf, count);2033 else2034 ret = -ENOTSUPP;2035 2036 mutex_unlock(&dsp->cs_dsp.pwr_lock);2037 2038 return ret;2039}2040EXPORT_SYMBOL_GPL(wm_adsp_compr_copy);2041 2042static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp)2043{2044 struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp);2045 struct wm_adsp_compr *compr;2046 2047 dsp->fatal_error = true;2048 2049 list_for_each_entry(compr, &dsp->compr_list, list) {2050 if (compr->stream)2051 snd_compr_fragment_elapsed(compr->stream);2052 }2053}2054 2055irqreturn_t wm_adsp2_bus_error(int irq, void *data)2056{2057 struct wm_adsp *dsp = (struct wm_adsp *)data;2058 2059 cs_dsp_adsp2_bus_error(&dsp->cs_dsp);2060 2061 return IRQ_HANDLED;2062}2063EXPORT_SYMBOL_GPL(wm_adsp2_bus_error);2064 2065irqreturn_t wm_halo_bus_error(int irq, void *data)2066{2067 struct wm_adsp *dsp = (struct wm_adsp *)data;2068 2069 cs_dsp_halo_bus_error(&dsp->cs_dsp);2070 2071 return IRQ_HANDLED;2072}2073EXPORT_SYMBOL_GPL(wm_halo_bus_error);2074 2075irqreturn_t wm_halo_wdt_expire(int irq, void *data)2076{2077 struct wm_adsp *dsp = data;2078 2079 cs_dsp_halo_wdt_expire(&dsp->cs_dsp);2080 2081 return IRQ_HANDLED;2082}2083EXPORT_SYMBOL_GPL(wm_halo_wdt_expire);2084 2085static const struct cs_dsp_client_ops wm_adsp1_client_ops = {2086 .control_add = wm_adsp_control_add_cb,2087 .control_remove = wm_adsp_control_remove,2088};2089 2090static const struct cs_dsp_client_ops wm_adsp2_client_ops = {2091 .control_add = wm_adsp_control_add_cb,2092 .control_remove = wm_adsp_control_remove,2093 .pre_run = wm_adsp_pre_run,2094 .post_run = wm_adsp_event_post_run,2095 .post_stop = wm_adsp_event_post_stop,2096 .watchdog_expired = wm_adsp_fatal_error,2097};2098 2099MODULE_DESCRIPTION("Cirrus Logic ASoC DSP Support");2100MODULE_LICENSE("GPL v2");2101MODULE_IMPORT_NS(FW_CS_DSP);2102