sound/soc/codecs/wm_adsp.c

   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
  54 static const struct cs_dsp_client_ops wm_adsp1_client_ops;
  55 static const struct cs_dsp_client_ops wm_adsp2_client_ops;
  56
  57 #define WM_ADSP_FW_MBC_VSS  0
  58 #define WM_ADSP_FW_HIFI     1
  59 #define WM_ADSP_FW_TX       2
  60 #define WM_ADSP_FW_TX_SPK   3
  61 #define WM_ADSP_FW_RX       4
  62 #define WM_ADSP_FW_RX_ANC   5
  63 #define WM_ADSP_FW_CTRL     6
  64 #define WM_ADSP_FW_ASR      7
  65 #define WM_ADSP_FW_TRACE    8
  66 #define WM_ADSP_FW_SPK_PROT 9
  67 #define WM_ADSP_FW_SPK_CALI 10
  68 #define WM_ADSP_FW_SPK_DIAG 11
  69 #define WM_ADSP_FW_MISC     12
  70
  71 #define WM_ADSP_NUM_FW      13
  72
  73 static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = {
  74         [WM_ADSP_FW_MBC_VSS] =  "MBC/VSS",
  75         [WM_ADSP_FW_HIFI] =     "MasterHiFi",
  76         [WM_ADSP_FW_TX] =       "Tx",
  77         [WM_ADSP_FW_TX_SPK] =   "Tx Speaker",
  78         [WM_ADSP_FW_RX] =       "Rx",
  79         [WM_ADSP_FW_RX_ANC] =   "Rx ANC",
  80         [WM_ADSP_FW_CTRL] =     "Voice Ctrl",
  81         [WM_ADSP_FW_ASR] =      "ASR Assist",
  82         [WM_ADSP_FW_TRACE] =    "Dbg Trace",
  83         [WM_ADSP_FW_SPK_PROT] = "Protection",
  84         [WM_ADSP_FW_SPK_CALI] = "Calibration",
  85         [WM_ADSP_FW_SPK_DIAG] = "Diagnostic",
  86         [WM_ADSP_FW_MISC] =     "Misc",
  87 };
  88
  89 struct wm_adsp_system_config_xm_hdr {
  90         __be32 sys_enable;
  91         __be32 fw_id;
  92         __be32 fw_rev;
  93         __be32 boot_status;
  94         __be32 watchdog;
  95         __be32 dma_buffer_size;
  96         __be32 rdma[6];
  97         __be32 wdma[8];
  98         __be32 build_job_name[3];
  99         __be32 build_job_number;
 100 } __packed;
 101
 102 struct wm_halo_system_config_xm_hdr {
 103         __be32 halo_heartbeat;
 104         __be32 build_job_name[3];
 105         __be32 build_job_number;
 106 } __packed;
 107
 108 struct wm_adsp_alg_xm_struct {
 109         __be32 magic;
 110         __be32 smoothing;
 111         __be32 threshold;
 112         __be32 host_buf_ptr;
 113         __be32 start_seq;
 114         __be32 high_water_mark;
 115         __be32 low_water_mark;
 116         __be64 smoothed_power;
 117 } __packed;
 118
 119 struct wm_adsp_host_buf_coeff_v1 {
 120         __be32 host_buf_ptr;            /* Host buffer pointer */
 121         __be32 versions;                /* Version numbers */
 122         __be32 name[4];                 /* The buffer name */
 123 } __packed;
 124
 125 struct wm_adsp_buffer {
 126         __be32 buf1_base;               /* Base addr of first buffer area */
 127         __be32 buf1_size;               /* Size of buf1 area in DSP words */
 128         __be32 buf2_base;               /* Base addr of 2nd buffer area */
 129         __be32 buf1_buf2_size;          /* Size of buf1+buf2 in DSP words */
 130         __be32 buf3_base;               /* Base addr of buf3 area */
 131         __be32 buf_total_size;          /* Size of buf1+buf2+buf3 in DSP words */
 132         __be32 high_water_mark;         /* Point at which IRQ is asserted */
 133         __be32 irq_count;               /* bits 1-31 count IRQ assertions */
 134         __be32 irq_ack;                 /* acked IRQ count, bit 0 enables IRQ */
 135         __be32 next_write_index;        /* word index of next write */
 136         __be32 next_read_index;         /* word index of next read */
 137         __be32 error;                   /* error if any */
 138         __be32 oldest_block_index;      /* word index of oldest surviving */
 139         __be32 requested_rewind;        /* how many blocks rewind was done */
 140         __be32 reserved_space;          /* internal */
 141         __be32 min_free;                /* min free space since stream start */
 142         __be32 blocks_written[2];       /* total blocks written (64 bit) */
 143         __be32 words_written[2];        /* total words written (64 bit) */
 144 } __packed;
 145
 146 struct wm_adsp_compr;
 147
 148 struct wm_adsp_compr_buf {
 149         struct list_head list;
 150         struct wm_adsp *dsp;
 151         struct wm_adsp_compr *compr;
 152
 153         struct wm_adsp_buffer_region *regions;
 154         u32 host_buf_ptr;
 155
 156         u32 error;
 157         u32 irq_count;
 158         int read_index;
 159         int avail;
 160         int host_buf_mem_type;
 161
 162         char *name;
 163 };
 164
 165 struct wm_adsp_compr {
 166         struct list_head list;
 167         struct wm_adsp *dsp;
 168         struct wm_adsp_compr_buf *buf;
 169
 170         struct snd_compr_stream *stream;
 171         struct snd_compressed_buffer size;
 172
 173         u32 *raw_buf;
 174         unsigned int copied_total;
 175
 176         unsigned int sample_rate;
 177
 178         const char *name;
 179 };
 180
 181 #define WM_ADSP_MIN_FRAGMENTS          1
 182 #define WM_ADSP_MAX_FRAGMENTS          256
 183 #define WM_ADSP_MIN_FRAGMENT_SIZE      (16 * CS_DSP_DATA_WORD_SIZE)
 184 #define WM_ADSP_MAX_FRAGMENT_SIZE      (4096 * CS_DSP_DATA_WORD_SIZE)
 185
 186 #define WM_ADSP_ALG_XM_STRUCT_MAGIC    0x49aec7
 187
 188 #define HOST_BUFFER_FIELD(field) \
 189         (offsetof(struct wm_adsp_buffer, field) / sizeof(__be32))
 190
 191 #define ALG_XM_FIELD(field) \
 192         (offsetof(struct wm_adsp_alg_xm_struct, field) / sizeof(__be32))
 193
 194 #define HOST_BUF_COEFF_SUPPORTED_COMPAT_VER     1
 195
 196 #define HOST_BUF_COEFF_COMPAT_VER_MASK          0xFF00
 197 #define HOST_BUF_COEFF_COMPAT_VER_SHIFT         8
 198
 199 static int wm_adsp_buffer_init(struct wm_adsp *dsp);
 200 static int wm_adsp_buffer_free(struct wm_adsp *dsp);
 201
 202 struct wm_adsp_buffer_region {
 203         unsigned int offset;
 204         unsigned int cumulative_size;
 205         unsigned int mem_type;
 206         unsigned int base_addr;
 207 };
 208
 209 struct wm_adsp_buffer_region_def {
 210         unsigned int mem_type;
 211         unsigned int base_offset;
 212         unsigned int size_offset;
 213 };
 214
 215 static const struct wm_adsp_buffer_region_def default_regions[] = {
 216         {
 217                 .mem_type = WMFW_ADSP2_XM,
 218                 .base_offset = HOST_BUFFER_FIELD(buf1_base),
 219                 .size_offset = HOST_BUFFER_FIELD(buf1_size),
 220         },
 221         {
 222                 .mem_type = WMFW_ADSP2_XM,
 223                 .base_offset = HOST_BUFFER_FIELD(buf2_base),
 224                 .size_offset = HOST_BUFFER_FIELD(buf1_buf2_size),
 225         },
 226         {
 227                 .mem_type = WMFW_ADSP2_YM,
 228                 .base_offset = HOST_BUFFER_FIELD(buf3_base),
 229                 .size_offset = HOST_BUFFER_FIELD(buf_total_size),
 230         },
 231 };
 232
 233 struct wm_adsp_fw_caps {
 234         u32 id;
 235         struct snd_codec_desc desc;
 236         int num_regions;
 237         const struct wm_adsp_buffer_region_def *region_defs;
 238 };
 239
 240 static const struct wm_adsp_fw_caps ctrl_caps[] = {
 241         {
 242                 .id = SND_AUDIOCODEC_BESPOKE,
 243                 .desc = {
 244                         .max_ch = 8,
 245                         .sample_rates = { 16000 },
 246                         .num_sample_rates = 1,
 247                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 248                 },
 249                 .num_regions = ARRAY_SIZE(default_regions),
 250                 .region_defs = default_regions,
 251         },
 252 };
 253
 254 static const struct wm_adsp_fw_caps trace_caps[] = {
 255         {
 256                 .id = SND_AUDIOCODEC_BESPOKE,
 257                 .desc = {
 258                         .max_ch = 8,
 259                         .sample_rates = {
 260                                 4000, 8000, 11025, 12000, 16000, 22050,
 261                                 24000, 32000, 44100, 48000, 64000, 88200,
 262                                 96000, 176400, 192000
 263                         },
 264                         .num_sample_rates = 15,
 265                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 266                 },
 267                 .num_regions = ARRAY_SIZE(default_regions),
 268                 .region_defs = default_regions,
 269         },
 270 };
 271
 272 static const struct {
 273         const char *file;
 274         int compr_direction;
 275         int num_caps;
 276         const struct wm_adsp_fw_caps *caps;
 277         bool voice_trigger;
 278 } wm_adsp_fw[WM_ADSP_NUM_FW] = {
 279         [WM_ADSP_FW_MBC_VSS] =  { .file = "mbc-vss" },
 280         [WM_ADSP_FW_HIFI] =     { .file = "hifi" },
 281         [WM_ADSP_FW_TX] =       { .file = "tx" },
 282         [WM_ADSP_FW_TX_SPK] =   { .file = "tx-spk" },
 283         [WM_ADSP_FW_RX] =       { .file = "rx" },
 284         [WM_ADSP_FW_RX_ANC] =   { .file = "rx-anc" },
 285         [WM_ADSP_FW_CTRL] =     {
 286                 .file = "ctrl",
 287                 .compr_direction = SND_COMPRESS_CAPTURE,
 288                 .num_caps = ARRAY_SIZE(ctrl_caps),
 289                 .caps = ctrl_caps,
 290                 .voice_trigger = true,
 291         },
 292         [WM_ADSP_FW_ASR] =      { .file = "asr" },
 293         [WM_ADSP_FW_TRACE] =    {
 294                 .file = "trace",
 295                 .compr_direction = SND_COMPRESS_CAPTURE,
 296                 .num_caps = ARRAY_SIZE(trace_caps),
 297                 .caps = trace_caps,
 298         },
 299         [WM_ADSP_FW_SPK_PROT] = {
 300                 .file = "spk-prot",
 301                 .compr_direction = SND_COMPRESS_CAPTURE,
 302                 .num_caps = ARRAY_SIZE(trace_caps),
 303                 .caps = trace_caps,
 304         },
 305         [WM_ADSP_FW_SPK_CALI] = { .file = "spk-cali" },
 306         [WM_ADSP_FW_SPK_DIAG] = { .file = "spk-diag" },
 307         [WM_ADSP_FW_MISC] =     { .file = "misc" },
 308 };
 309
 310 struct wm_coeff_ctl {
 311         const char *name;
 312         struct cs_dsp_coeff_ctl *cs_ctl;
 313         struct soc_bytes_ext bytes_ext;
 314         struct work_struct work;
 315 };
 316
 317 int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
 318                    struct snd_ctl_elem_value *ucontrol)
 319 {
 320         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 321         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 322         struct wm_adsp *dsp = snd_soc_component_get_drvdata(component);
 323
 324         ucontrol->value.enumerated.item[0] = dsp[e->shift_l].fw;
 325
 326         return 0;
 327 }
 328 EXPORT_SYMBOL_GPL(wm_adsp_fw_get);
 329
 330 int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
 331                    struct snd_ctl_elem_value *ucontrol)
 332 {
 333         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 334         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 335         struct wm_adsp *dsp = snd_soc_component_get_drvdata(component);
 336         int ret = 1;
 337
 338         if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw)
 339                 return 0;
 340
 341         if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW)
 342                 return -EINVAL;
 343
 344         mutex_lock(&dsp[e->shift_l].cs_dsp.pwr_lock);
 345
 346         if (dsp[e->shift_l].cs_dsp.booted || !list_empty(&dsp[e->shift_l].compr_list))
 347                 ret = -EBUSY;
 348         else
 349                 dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0];
 350
 351         mutex_unlock(&dsp[e->shift_l].cs_dsp.pwr_lock);
 352
 353         return ret;
 354 }
 355 EXPORT_SYMBOL_GPL(wm_adsp_fw_put);
 356
 357 const struct soc_enum wm_adsp_fw_enum[] = {
 358         SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 359         SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 360         SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 361         SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 362         SOC_ENUM_SINGLE(0, 4, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 363         SOC_ENUM_SINGLE(0, 5, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 364         SOC_ENUM_SINGLE(0, 6, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 365 };
 366 EXPORT_SYMBOL_GPL(wm_adsp_fw_enum);
 367
 368 static inline struct wm_coeff_ctl *bytes_ext_to_ctl(struct soc_bytes_ext *ext)
 369 {
 370         return container_of(ext, struct wm_coeff_ctl, bytes_ext);
 371 }
 372
 373 static int wm_coeff_info(struct snd_kcontrol *kctl,
 374                          struct snd_ctl_elem_info *uinfo)
 375 {
 376         struct soc_bytes_ext *bytes_ext =
 377                 (struct soc_bytes_ext *)kctl->private_value;
 378         struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
 379         struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl;
 380
 381         switch (cs_ctl->type) {
 382         case WMFW_CTL_TYPE_ACKED:
 383                 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 384                 uinfo->value.integer.min = CS_DSP_ACKED_CTL_MIN_VALUE;
 385                 uinfo->value.integer.max = CS_DSP_ACKED_CTL_MAX_VALUE;
 386                 uinfo->value.integer.step = 1;
 387                 uinfo->count = 1;
 388                 break;
 389         default:
 390                 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 391                 uinfo->count = cs_ctl->len;
 392                 break;
 393         }
 394
 395         return 0;
 396 }
 397
 398 static int wm_coeff_put(struct snd_kcontrol *kctl,
 399                         struct snd_ctl_elem_value *ucontrol)
 400 {
 401         struct soc_bytes_ext *bytes_ext =
 402                 (struct soc_bytes_ext *)kctl->private_value;
 403         struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
 404         struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl;
 405         char *p = ucontrol->value.bytes.data;
 406         int ret = 0;
 407
 408         mutex_lock(&cs_ctl->dsp->pwr_lock);
 409         ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, p, cs_ctl->len);
 410         mutex_unlock(&cs_ctl->dsp->pwr_lock);
 411
 412         return ret;
 413 }
 414
 415 static int wm_coeff_tlv_put(struct snd_kcontrol *kctl,
 416                             const unsigned int __user *bytes, unsigned int size)
 417 {
 418         struct soc_bytes_ext *bytes_ext =
 419                 (struct soc_bytes_ext *)kctl->private_value;
 420         struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
 421         struct cs_dsp_coeff_ctl *cs_ctl = ctl->cs_ctl;
 422         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
 441 static 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
 469 static 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
 486 static 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
 507 static 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
 522 static 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
 553 static 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
 597 static 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
 667 err_ctl:
 668         kfree(ctl);
 669
 670         return ret;
 671 }
 672
 673 static 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
 683 int 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         ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, buf, len);
 691         if (ret < 0)
 692                 return ret;
 693
 694         if (ret == 0 || (cs_ctl->flags & WMFW_CTL_FLAG_SYS))
 695                 return 0;
 696
 697         ctl = cs_ctl->priv;
 698
 699         return snd_soc_component_notify_control(dsp->component, ctl->name);
 700 }
 701 EXPORT_SYMBOL_GPL(wm_adsp_write_ctl);
 702
 703 int wm_adsp_read_ctl(struct wm_adsp *dsp, const char *name, int type,
 704                      unsigned int alg, void *buf, size_t len)
 705 {
 706         return cs_dsp_coeff_read_ctrl(cs_dsp_get_ctl(&dsp->cs_dsp, name, type, alg),
 707                                       0, buf, len);
 708 }
 709 EXPORT_SYMBOL_GPL(wm_adsp_read_ctl);
 710
 711 static void wm_adsp_release_firmware_files(struct wm_adsp *dsp,
 712                                            const struct firmware *wmfw_firmware,
 713                                            char *wmfw_filename,
 714                                            const struct firmware *coeff_firmware,
 715                                            char *coeff_filename)
 716 {
 717         if (wmfw_firmware)
 718                 release_firmware(wmfw_firmware);
 719         kfree(wmfw_filename);
 720
 721         if (coeff_firmware)
 722                 release_firmware(coeff_firmware);
 723         kfree(coeff_filename);
 724 }
 725
 726 static int wm_adsp_request_firmware_file(struct wm_adsp *dsp,
 727                                          const struct firmware **firmware, char **filename,
 728                                          const char *dir, const char *system_name,
 729                                          const char *asoc_component_prefix,
 730                                          const char *filetype)
 731 {
 732         struct cs_dsp *cs_dsp = &dsp->cs_dsp;
 733         char *s, c;
 734         int ret = 0;
 735
 736         if (system_name && asoc_component_prefix)
 737                 *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s-%s.%s", dir, dsp->part,
 738                                       dsp->fwf_name, wm_adsp_fw[dsp->fw].file, system_name,
 739                                       asoc_component_prefix, filetype);
 740         else if (system_name)
 741                 *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s-%s.%s", dir, dsp->part,
 742                                       dsp->fwf_name, wm_adsp_fw[dsp->fw].file, system_name,
 743                                       filetype);
 744         else
 745                 *filename = kasprintf(GFP_KERNEL, "%s%s-%s-%s.%s", dir, dsp->part, dsp->fwf_name,
 746                                       wm_adsp_fw[dsp->fw].file, filetype);
 747
 748         if (*filename == NULL)
 749                 return -ENOMEM;
 750
 751         /*
 752          * Make sure that filename is lower-case and any non alpha-numeric
 753          * characters except full stop and forward slash are replaced with
 754          * hyphens.
 755          */
 756         s = *filename;
 757         while (*s) {
 758                 c = *s;
 759                 if (isalnum(c))
 760                         *s = tolower(c);
 761                 else if ((c != '.') && (c != '/'))
 762                         *s = '-';
 763                 s++;
 764         }
 765
 766         ret = firmware_request_nowarn(firmware, *filename, cs_dsp->dev);
 767         if (ret != 0) {
 768                 adsp_dbg(dsp, "Failed to request '%s'\n", *filename);
 769                 kfree(*filename);
 770                 *filename = NULL;
 771         } else {
 772                 adsp_dbg(dsp, "Found '%s'\n", *filename);
 773         }
 774
 775         return ret;
 776 }
 777
 778 static const char *cirrus_dir = "cirrus/";
 779 static int wm_adsp_request_firmware_files(struct wm_adsp *dsp,
 780                                           const struct firmware **wmfw_firmware,
 781                                           char **wmfw_filename,
 782                                           const struct firmware **coeff_firmware,
 783                                           char **coeff_filename)
 784 {
 785         const char *system_name = dsp->system_name;
 786         const char *asoc_component_prefix = dsp->component->name_prefix;
 787         int ret = 0;
 788
 789         if (system_name && asoc_component_prefix) {
 790                 if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename,
 791                                                    cirrus_dir, system_name,
 792                                                    asoc_component_prefix, "wmfw")) {
 793                         wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
 794                                                       cirrus_dir, system_name,
 795                                                       asoc_component_prefix, "bin");
 796                         return 0;
 797                 }
 798         }
 799
 800         if (system_name) {
 801                 if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename,
 802                                                    cirrus_dir, system_name,
 803                                                    NULL, "wmfw")) {
 804                         if (asoc_component_prefix)
 805                                 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
 806                                                               cirrus_dir, system_name,
 807                                                               asoc_component_prefix, "bin");
 808
 809                         if (!*coeff_firmware)
 810                                 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
 811                                                               cirrus_dir, system_name,
 812                                                               NULL, "bin");
 813                         return 0;
 814                 }
 815         }
 816
 817         if (!wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename,
 818                                            "", NULL, NULL, "wmfw")) {
 819                 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
 820                                               "", NULL, NULL, "bin");
 821                 return 0;
 822         }
 823
 824         ret = wm_adsp_request_firmware_file(dsp, wmfw_firmware, wmfw_filename,
 825                                             cirrus_dir, NULL, NULL, "wmfw");
 826         if (!ret) {
 827                 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
 828                                               cirrus_dir, NULL, NULL, "bin");
 829                 return 0;
 830         }
 831
 832         if (dsp->wmfw_optional) {
 833                 if (system_name) {
 834                         if (asoc_component_prefix)
 835                                 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
 836                                                               cirrus_dir, system_name,
 837                                                               asoc_component_prefix, "bin");
 838
 839                         if (!*coeff_firmware)
 840                                 wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
 841                                                               cirrus_dir, system_name,
 842                                                               NULL, "bin");
 843                 }
 844
 845                 if (!*coeff_firmware)
 846                         wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
 847                                                       "", NULL, NULL, "bin");
 848
 849                 if (!*coeff_firmware)
 850                         wm_adsp_request_firmware_file(dsp, coeff_firmware, coeff_filename,
 851                                                       cirrus_dir, NULL, NULL, "bin");
 852
 853                 return 0;
 854         }
 855
 856         adsp_err(dsp, "Failed to request firmware <%s>%s-%s-%s<-%s<%s>>.wmfw\n",
 857                  cirrus_dir, dsp->part, dsp->fwf_name, wm_adsp_fw[dsp->fw].file,
 858                  system_name, asoc_component_prefix);
 859
 860         return -ENOENT;
 861 }
 862
 863 static int wm_adsp_common_init(struct wm_adsp *dsp)
 864 {
 865         char *p;
 866
 867         INIT_LIST_HEAD(&dsp->compr_list);
 868         INIT_LIST_HEAD(&dsp->buffer_list);
 869
 870         if (!dsp->fwf_name) {
 871                 p = devm_kstrdup(dsp->cs_dsp.dev, dsp->cs_dsp.name, GFP_KERNEL);
 872                 if (!p)
 873                         return -ENOMEM;
 874
 875                 dsp->fwf_name = p;
 876                 for (; *p != 0; ++p)
 877                         *p = tolower(*p);
 878         }
 879
 880         return 0;
 881 }
 882
 883 int wm_adsp1_init(struct wm_adsp *dsp)
 884 {
 885         int ret;
 886
 887         dsp->cs_dsp.client_ops = &wm_adsp1_client_ops;
 888
 889         ret = cs_dsp_adsp1_init(&dsp->cs_dsp);
 890         if (ret)
 891                 return ret;
 892
 893         return wm_adsp_common_init(dsp);
 894 }
 895 EXPORT_SYMBOL_GPL(wm_adsp1_init);
 896
 897 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
 898                    struct snd_kcontrol *kcontrol,
 899                    int event)
 900 {
 901         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 902         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
 903         struct wm_adsp *dsp = &dsps[w->shift];
 904         int ret = 0;
 905         char *wmfw_filename = NULL;
 906         const struct firmware *wmfw_firmware = NULL;
 907         char *coeff_filename = NULL;
 908         const struct firmware *coeff_firmware = NULL;
 909
 910         dsp->component = component;
 911
 912         switch (event) {
 913         case SND_SOC_DAPM_POST_PMU:
 914                 ret = wm_adsp_request_firmware_files(dsp,
 915                                                      &wmfw_firmware, &wmfw_filename,
 916                                                      &coeff_firmware, &coeff_filename);
 917                 if (ret)
 918                         break;
 919
 920                 ret = cs_dsp_adsp1_power_up(&dsp->cs_dsp,
 921                                             wmfw_firmware, wmfw_filename,
 922                                             coeff_firmware, coeff_filename,
 923                                             wm_adsp_fw_text[dsp->fw]);
 924
 925                 wm_adsp_release_firmware_files(dsp,
 926                                                wmfw_firmware, wmfw_filename,
 927                                                coeff_firmware, coeff_filename);
 928                 break;
 929         case SND_SOC_DAPM_PRE_PMD:
 930                 cs_dsp_adsp1_power_down(&dsp->cs_dsp);
 931                 break;
 932         default:
 933                 break;
 934         }
 935
 936         return ret;
 937 }
 938 EXPORT_SYMBOL_GPL(wm_adsp1_event);
 939
 940 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq)
 941 {
 942         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 943         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
 944         struct wm_adsp *dsp = &dsps[w->shift];
 945
 946         return cs_dsp_set_dspclk(&dsp->cs_dsp, freq);
 947 }
 948 EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk);
 949
 950 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol,
 951                            struct snd_ctl_elem_value *ucontrol)
 952 {
 953         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 954         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
 955         struct soc_mixer_control *mc =
 956                 (struct soc_mixer_control *)kcontrol->private_value;
 957         struct wm_adsp *dsp = &dsps[mc->shift - 1];
 958
 959         ucontrol->value.integer.value[0] = dsp->preloaded;
 960
 961         return 0;
 962 }
 963 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get);
 964
 965 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
 966                            struct snd_ctl_elem_value *ucontrol)
 967 {
 968         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 969         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
 970         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 971         struct soc_mixer_control *mc =
 972                 (struct soc_mixer_control *)kcontrol->private_value;
 973         struct wm_adsp *dsp = &dsps[mc->shift - 1];
 974         char preload[32];
 975
 976         if (dsp->preloaded == ucontrol->value.integer.value[0])
 977                 return 0;
 978
 979         snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name);
 980
 981         if (ucontrol->value.integer.value[0] || dsp->toggle_preload)
 982                 snd_soc_component_force_enable_pin(component, preload);
 983         else
 984                 snd_soc_component_disable_pin(component, preload);
 985
 986         snd_soc_dapm_sync(dapm);
 987
 988         flush_work(&dsp->boot_work);
 989
 990         dsp->preloaded = ucontrol->value.integer.value[0];
 991
 992         if (dsp->toggle_preload) {
 993                 snd_soc_component_disable_pin(component, preload);
 994                 snd_soc_dapm_sync(dapm);
 995         }
 996
 997         return 1;
 998 }
 999 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put);
1000
1001 int wm_adsp_power_up(struct wm_adsp *dsp, bool load_firmware)
1002 {
1003         int ret = 0;
1004         char *wmfw_filename = NULL;
1005         const struct firmware *wmfw_firmware = NULL;
1006         char *coeff_filename = NULL;
1007         const struct firmware *coeff_firmware = NULL;
1008
1009         if (load_firmware) {
1010                 ret = wm_adsp_request_firmware_files(dsp,
1011                                                      &wmfw_firmware, &wmfw_filename,
1012                                                      &coeff_firmware, &coeff_filename);
1013                 if (ret)
1014                         return ret;
1015         }
1016
1017         ret = cs_dsp_power_up(&dsp->cs_dsp,
1018                               wmfw_firmware, wmfw_filename,
1019                               coeff_firmware, coeff_filename,
1020                               wm_adsp_fw_text[dsp->fw]);
1021
1022         wm_adsp_release_firmware_files(dsp,
1023                                        wmfw_firmware, wmfw_filename,
1024                                        coeff_firmware, coeff_filename);
1025
1026         return ret;
1027 }
1028 EXPORT_SYMBOL_GPL(wm_adsp_power_up);
1029
1030 void wm_adsp_power_down(struct wm_adsp *dsp)
1031 {
1032         cs_dsp_power_down(&dsp->cs_dsp);
1033 }
1034 EXPORT_SYMBOL_GPL(wm_adsp_power_down);
1035
1036 static void wm_adsp_boot_work(struct work_struct *work)
1037 {
1038         struct wm_adsp *dsp = container_of(work,
1039                                            struct wm_adsp,
1040                                            boot_work);
1041
1042         wm_adsp_power_up(dsp, true);
1043 }
1044
1045 int wm_adsp_early_event(struct snd_soc_dapm_widget *w,
1046                         struct snd_kcontrol *kcontrol, int event)
1047 {
1048         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1049         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
1050         struct wm_adsp *dsp = &dsps[w->shift];
1051
1052         switch (event) {
1053         case SND_SOC_DAPM_PRE_PMU:
1054                 queue_work(system_unbound_wq, &dsp->boot_work);
1055                 break;
1056         case SND_SOC_DAPM_PRE_PMD:
1057                 wm_adsp_power_down(dsp);
1058                 break;
1059         default:
1060                 break;
1061         }
1062
1063         return 0;
1064 }
1065 EXPORT_SYMBOL_GPL(wm_adsp_early_event);
1066
1067 static int wm_adsp_pre_run(struct cs_dsp *cs_dsp)
1068 {
1069         struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp);
1070
1071         if (!dsp->pre_run)
1072                 return 0;
1073
1074         return (*dsp->pre_run)(dsp);
1075 }
1076
1077 static int wm_adsp_event_post_run(struct cs_dsp *cs_dsp)
1078 {
1079         struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp);
1080
1081         if (wm_adsp_fw[dsp->fw].num_caps != 0)
1082                 return wm_adsp_buffer_init(dsp);
1083
1084         return 0;
1085 }
1086
1087 static void wm_adsp_event_post_stop(struct cs_dsp *cs_dsp)
1088 {
1089         struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp);
1090
1091         if (wm_adsp_fw[dsp->fw].num_caps != 0)
1092                 wm_adsp_buffer_free(dsp);
1093
1094         dsp->fatal_error = false;
1095 }
1096
1097 int wm_adsp_event(struct snd_soc_dapm_widget *w,
1098                   struct snd_kcontrol *kcontrol, int event)
1099 {
1100         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
1101         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
1102         struct wm_adsp *dsp = &dsps[w->shift];
1103         int ret = 0;
1104
1105         switch (event) {
1106         case SND_SOC_DAPM_POST_PMU:
1107                 flush_work(&dsp->boot_work);
1108                 ret = cs_dsp_run(&dsp->cs_dsp);
1109                 break;
1110         case SND_SOC_DAPM_PRE_PMD:
1111                 cs_dsp_stop(&dsp->cs_dsp);
1112                 break;
1113         default:
1114                 break;
1115         }
1116
1117         return ret;
1118 }
1119 EXPORT_SYMBOL_GPL(wm_adsp_event);
1120
1121 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component)
1122 {
1123         char preload[32];
1124
1125         if (!dsp->cs_dsp.no_core_startstop) {
1126                 snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->cs_dsp.name);
1127                 snd_soc_component_disable_pin(component, preload);
1128         }
1129
1130         cs_dsp_init_debugfs(&dsp->cs_dsp, component->debugfs_root);
1131
1132         dsp->component = component;
1133
1134         return 0;
1135 }
1136 EXPORT_SYMBOL_GPL(wm_adsp2_component_probe);
1137
1138 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component)
1139 {
1140         cs_dsp_cleanup_debugfs(&dsp->cs_dsp);
1141
1142         return 0;
1143 }
1144 EXPORT_SYMBOL_GPL(wm_adsp2_component_remove);
1145
1146 int wm_adsp2_init(struct wm_adsp *dsp)
1147 {
1148         int ret;
1149
1150         INIT_WORK(&dsp->boot_work, wm_adsp_boot_work);
1151
1152         dsp->sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr);
1153         dsp->cs_dsp.client_ops = &wm_adsp2_client_ops;
1154
1155         ret = cs_dsp_adsp2_init(&dsp->cs_dsp);
1156         if (ret)
1157                 return ret;
1158
1159         return wm_adsp_common_init(dsp);
1160 }
1161 EXPORT_SYMBOL_GPL(wm_adsp2_init);
1162
1163 int wm_halo_init(struct wm_adsp *dsp)
1164 {
1165         int ret;
1166
1167         INIT_WORK(&dsp->boot_work, wm_adsp_boot_work);
1168
1169         dsp->sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr);
1170         dsp->cs_dsp.client_ops = &wm_adsp2_client_ops;
1171
1172         ret = cs_dsp_halo_init(&dsp->cs_dsp);
1173         if (ret)
1174                 return ret;
1175
1176         return wm_adsp_common_init(dsp);
1177 }
1178 EXPORT_SYMBOL_GPL(wm_halo_init);
1179
1180 void wm_adsp2_remove(struct wm_adsp *dsp)
1181 {
1182         cs_dsp_remove(&dsp->cs_dsp);
1183 }
1184 EXPORT_SYMBOL_GPL(wm_adsp2_remove);
1185
1186 static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr)
1187 {
1188         return compr->buf != NULL;
1189 }
1190
1191 static int wm_adsp_compr_attach(struct wm_adsp_compr *compr)
1192 {
1193         struct wm_adsp_compr_buf *buf = NULL, *tmp;
1194
1195         if (compr->dsp->fatal_error)
1196                 return -EINVAL;
1197
1198         list_for_each_entry(tmp, &compr->dsp->buffer_list, list) {
1199                 if (!tmp->name || !strcmp(compr->name, tmp->name)) {
1200                         buf = tmp;
1201                         break;
1202                 }
1203         }
1204
1205         if (!buf)
1206                 return -EINVAL;
1207
1208         compr->buf = buf;
1209         buf->compr = compr;
1210
1211         return 0;
1212 }
1213
1214 static void wm_adsp_compr_detach(struct wm_adsp_compr *compr)
1215 {
1216         if (!compr)
1217                 return;
1218
1219         /* Wake the poll so it can see buffer is no longer attached */
1220         if (compr->stream)
1221                 snd_compr_fragment_elapsed(compr->stream);
1222
1223         if (wm_adsp_compr_attached(compr)) {
1224                 compr->buf->compr = NULL;
1225                 compr->buf = NULL;
1226         }
1227 }
1228
1229 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream)
1230 {
1231         struct wm_adsp_compr *compr, *tmp;
1232         struct snd_soc_pcm_runtime *rtd = stream->private_data;
1233         int ret = 0;
1234
1235         mutex_lock(&dsp->cs_dsp.pwr_lock);
1236
1237         if (wm_adsp_fw[dsp->fw].num_caps == 0) {
1238                 adsp_err(dsp, "%s: Firmware does not support compressed API\n",
1239                          asoc_rtd_to_codec(rtd, 0)->name);
1240                 ret = -ENXIO;
1241                 goto out;
1242         }
1243
1244         if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) {
1245                 adsp_err(dsp, "%s: Firmware does not support stream direction\n",
1246                          asoc_rtd_to_codec(rtd, 0)->name);
1247                 ret = -EINVAL;
1248                 goto out;
1249         }
1250
1251         list_for_each_entry(tmp, &dsp->compr_list, list) {
1252                 if (!strcmp(tmp->name, asoc_rtd_to_codec(rtd, 0)->name)) {
1253                         adsp_err(dsp, "%s: Only a single stream supported per dai\n",
1254                                  asoc_rtd_to_codec(rtd, 0)->name);
1255                         ret = -EBUSY;
1256                         goto out;
1257                 }
1258         }
1259
1260         compr = kzalloc(sizeof(*compr), GFP_KERNEL);
1261         if (!compr) {
1262                 ret = -ENOMEM;
1263                 goto out;
1264         }
1265
1266         compr->dsp = dsp;
1267         compr->stream = stream;
1268         compr->name = asoc_rtd_to_codec(rtd, 0)->name;
1269
1270         list_add_tail(&compr->list, &dsp->compr_list);
1271
1272         stream->runtime->private_data = compr;
1273
1274 out:
1275         mutex_unlock(&dsp->cs_dsp.pwr_lock);
1276
1277         return ret;
1278 }
1279 EXPORT_SYMBOL_GPL(wm_adsp_compr_open);
1280
1281 int wm_adsp_compr_free(struct snd_soc_component *component,
1282                        struct snd_compr_stream *stream)
1283 {
1284         struct wm_adsp_compr *compr = stream->runtime->private_data;
1285         struct wm_adsp *dsp = compr->dsp;
1286
1287         mutex_lock(&dsp->cs_dsp.pwr_lock);
1288
1289         wm_adsp_compr_detach(compr);
1290         list_del(&compr->list);
1291
1292         kfree(compr->raw_buf);
1293         kfree(compr);
1294
1295         mutex_unlock(&dsp->cs_dsp.pwr_lock);
1296
1297         return 0;
1298 }
1299 EXPORT_SYMBOL_GPL(wm_adsp_compr_free);
1300
1301 static int wm_adsp_compr_check_params(struct snd_compr_stream *stream,
1302                                       struct snd_compr_params *params)
1303 {
1304         struct wm_adsp_compr *compr = stream->runtime->private_data;
1305         struct wm_adsp *dsp = compr->dsp;
1306         const struct wm_adsp_fw_caps *caps;
1307         const struct snd_codec_desc *desc;
1308         int i, j;
1309
1310         if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE ||
1311             params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE ||
1312             params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS ||
1313             params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS ||
1314             params->buffer.fragment_size % CS_DSP_DATA_WORD_SIZE) {
1315                 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n",
1316                           params->buffer.fragment_size,
1317                           params->buffer.fragments);
1318
1319                 return -EINVAL;
1320         }
1321
1322         for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) {
1323                 caps = &wm_adsp_fw[dsp->fw].caps[i];
1324                 desc = &caps->desc;
1325
1326                 if (caps->id != params->codec.id)
1327                         continue;
1328
1329                 if (stream->direction == SND_COMPRESS_PLAYBACK) {
1330                         if (desc->max_ch < params->codec.ch_out)
1331                                 continue;
1332                 } else {
1333                         if (desc->max_ch < params->codec.ch_in)
1334                                 continue;
1335                 }
1336
1337                 if (!(desc->formats & (1 << params->codec.format)))
1338                         continue;
1339
1340                 for (j = 0; j < desc->num_sample_rates; ++j)
1341                         if (desc->sample_rates[j] == params->codec.sample_rate)
1342                                 return 0;
1343         }
1344
1345         compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n",
1346                   params->codec.id, params->codec.ch_in, params->codec.ch_out,
1347                   params->codec.sample_rate, params->codec.format);
1348         return -EINVAL;
1349 }
1350
1351 static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr)
1352 {
1353         return compr->size.fragment_size / CS_DSP_DATA_WORD_SIZE;
1354 }
1355
1356 int wm_adsp_compr_set_params(struct snd_soc_component *component,
1357                              struct snd_compr_stream *stream,
1358                              struct snd_compr_params *params)
1359 {
1360         struct wm_adsp_compr *compr = stream->runtime->private_data;
1361         unsigned int size;
1362         int ret;
1363
1364         ret = wm_adsp_compr_check_params(stream, params);
1365         if (ret)
1366                 return ret;
1367
1368         compr->size = params->buffer;
1369
1370         compr_dbg(compr, "fragment_size=%d fragments=%d\n",
1371                   compr->size.fragment_size, compr->size.fragments);
1372
1373         size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf);
1374         compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL);
1375         if (!compr->raw_buf)
1376                 return -ENOMEM;
1377
1378         compr->sample_rate = params->codec.sample_rate;
1379
1380         return 0;
1381 }
1382 EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params);
1383
1384 int wm_adsp_compr_get_caps(struct snd_soc_component *component,
1385                            struct snd_compr_stream *stream,
1386                            struct snd_compr_caps *caps)
1387 {
1388         struct wm_adsp_compr *compr = stream->runtime->private_data;
1389         int fw = compr->dsp->fw;
1390         int i;
1391
1392         if (wm_adsp_fw[fw].caps) {
1393                 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++)
1394                         caps->codecs[i] = wm_adsp_fw[fw].caps[i].id;
1395
1396                 caps->num_codecs = i;
1397                 caps->direction = wm_adsp_fw[fw].compr_direction;
1398
1399                 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE;
1400                 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE;
1401                 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS;
1402                 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS;
1403         }
1404
1405         return 0;
1406 }
1407 EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps);
1408
1409 static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf,
1410                                       unsigned int field_offset, u32 *data)
1411 {
1412         return cs_dsp_read_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type,
1413                                      buf->host_buf_ptr + field_offset, data);
1414 }
1415
1416 static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf,
1417                                        unsigned int field_offset, u32 data)
1418 {
1419         return cs_dsp_write_data_word(&buf->dsp->cs_dsp, buf->host_buf_mem_type,
1420                                       buf->host_buf_ptr + field_offset,
1421                                       data);
1422 }
1423
1424 static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf)
1425 {
1426         const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps;
1427         struct wm_adsp_buffer_region *region;
1428         u32 offset = 0;
1429         int i, ret;
1430
1431         buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions),
1432                                GFP_KERNEL);
1433         if (!buf->regions)
1434                 return -ENOMEM;
1435
1436         for (i = 0; i < caps->num_regions; ++i) {
1437                 region = &buf->regions[i];
1438
1439                 region->offset = offset;
1440                 region->mem_type = caps->region_defs[i].mem_type;
1441
1442                 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset,
1443                                           &region->base_addr);
1444                 if (ret < 0)
1445                         return ret;
1446
1447                 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset,
1448                                           &offset);
1449                 if (ret < 0)
1450                         return ret;
1451
1452                 region->cumulative_size = offset;
1453
1454                 compr_dbg(buf,
1455                           "region=%d type=%d base=%08x off=%08x size=%08x\n",
1456                           i, region->mem_type, region->base_addr,
1457                           region->offset, region->cumulative_size);
1458         }
1459
1460         return 0;
1461 }
1462
1463 static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf)
1464 {
1465         buf->irq_count = 0xFFFFFFFF;
1466         buf->read_index = -1;
1467         buf->avail = 0;
1468 }
1469
1470 static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp)
1471 {
1472         struct wm_adsp_compr_buf *buf;
1473
1474         buf = kzalloc(sizeof(*buf), GFP_KERNEL);
1475         if (!buf)
1476                 return NULL;
1477
1478         buf->dsp = dsp;
1479
1480         wm_adsp_buffer_clear(buf);
1481
1482         return buf;
1483 }
1484
1485 static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp)
1486 {
1487         struct cs_dsp_alg_region *alg_region;
1488         struct wm_adsp_compr_buf *buf;
1489         u32 xmalg, addr, magic;
1490         int i, ret;
1491
1492         alg_region = cs_dsp_find_alg_region(&dsp->cs_dsp, WMFW_ADSP2_XM, dsp->cs_dsp.fw_id);
1493         if (!alg_region) {
1494                 adsp_err(dsp, "No algorithm region found\n");
1495                 return -EINVAL;
1496         }
1497
1498         xmalg = dsp->sys_config_size / sizeof(__be32);
1499
1500         addr = alg_region->base + xmalg + ALG_XM_FIELD(magic);
1501         ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr, &magic);
1502         if (ret < 0)
1503                 return ret;
1504
1505         if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC)
1506                 return -ENODEV;
1507
1508         buf = wm_adsp_buffer_alloc(dsp);
1509         if (!buf)
1510                 return -ENOMEM;
1511
1512         addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr);
1513         for (i = 0; i < 5; ++i) {
1514                 ret = cs_dsp_read_data_word(&dsp->cs_dsp, WMFW_ADSP2_XM, addr,
1515                                             &buf->host_buf_ptr);
1516                 if (ret < 0)
1517                         goto err;
1518
1519                 if (buf->host_buf_ptr)
1520                         break;
1521
1522                 usleep_range(1000, 2000);
1523         }
1524
1525         if (!buf->host_buf_ptr) {
1526                 ret = -EIO;
1527                 goto err;
1528         }
1529
1530         buf->host_buf_mem_type = WMFW_ADSP2_XM;
1531
1532         ret = wm_adsp_buffer_populate(buf);
1533         if (ret < 0)
1534                 goto err;
1535
1536         list_add_tail(&buf->list, &dsp->buffer_list);
1537
1538         compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr);
1539
1540         return 0;
1541
1542 err:
1543         kfree(buf);
1544
1545         return ret;
1546 }
1547
1548 static int wm_adsp_buffer_parse_coeff(struct cs_dsp_coeff_ctl *cs_ctl)
1549 {
1550         struct wm_adsp_host_buf_coeff_v1 coeff_v1;
1551         struct wm_adsp_compr_buf *buf;
1552         struct wm_adsp *dsp = container_of(cs_ctl->dsp, struct wm_adsp, cs_dsp);
1553         unsigned int version = 0;
1554         int ret, i;
1555
1556         for (i = 0; i < 5; ++i) {
1557                 ret = cs_dsp_coeff_read_ctrl(cs_ctl, 0, &coeff_v1,
1558                                              min(cs_ctl->len, sizeof(coeff_v1)));
1559                 if (ret < 0)
1560                         return ret;
1561
1562                 if (coeff_v1.host_buf_ptr)
1563                         break;
1564
1565                 usleep_range(1000, 2000);
1566         }
1567
1568         if (!coeff_v1.host_buf_ptr) {
1569                 adsp_err(dsp, "Failed to acquire host buffer\n");
1570                 return -EIO;
1571         }
1572
1573         buf = wm_adsp_buffer_alloc(dsp);
1574         if (!buf)
1575                 return -ENOMEM;
1576
1577         buf->host_buf_mem_type = cs_ctl->alg_region.type;
1578         buf->host_buf_ptr = be32_to_cpu(coeff_v1.host_buf_ptr);
1579
1580         ret = wm_adsp_buffer_populate(buf);
1581         if (ret < 0)
1582                 goto err;
1583
1584         /*
1585          * v0 host_buffer coefficients didn't have versioning, so if the
1586          * control is one word, assume version 0.
1587          */
1588         if (cs_ctl->len == 4)
1589                 goto done;
1590
1591         version = be32_to_cpu(coeff_v1.versions) & HOST_BUF_COEFF_COMPAT_VER_MASK;
1592         version >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT;
1593
1594         if (version > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) {
1595                 adsp_err(dsp,
1596                          "Host buffer coeff ver %u > supported version %u\n",
1597                          version, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER);
1598                 ret = -EINVAL;
1599                 goto err;
1600         }
1601
1602         cs_dsp_remove_padding((u32 *)&coeff_v1.name, ARRAY_SIZE(coeff_v1.name));
1603
1604         buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", dsp->part,
1605                               (char *)&coeff_v1.name);
1606
1607 done:
1608         list_add_tail(&buf->list, &dsp->buffer_list);
1609
1610         compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n",
1611                   buf->host_buf_ptr, version);
1612
1613         return version;
1614
1615 err:
1616         kfree(buf);
1617
1618         return ret;
1619 }
1620
1621 static int wm_adsp_buffer_init(struct wm_adsp *dsp)
1622 {
1623         struct cs_dsp_coeff_ctl *cs_ctl;
1624         int ret;
1625
1626         list_for_each_entry(cs_ctl, &dsp->cs_dsp.ctl_list, list) {
1627                 if (cs_ctl->type != WMFW_CTL_TYPE_HOST_BUFFER)
1628                         continue;
1629
1630                 if (!cs_ctl->enabled)
1631                         continue;
1632
1633                 ret = wm_adsp_buffer_parse_coeff(cs_ctl);
1634                 if (ret < 0) {
1635                         adsp_err(dsp, "Failed to parse coeff: %d\n", ret);
1636                         goto error;
1637                 } else if (ret == 0) {
1638                         /* Only one buffer supported for version 0 */
1639                         return 0;
1640                 }
1641         }
1642
1643         if (list_empty(&dsp->buffer_list)) {
1644                 /* Fall back to legacy support */
1645                 ret = wm_adsp_buffer_parse_legacy(dsp);
1646                 if (ret == -ENODEV)
1647                         adsp_info(dsp, "Legacy support not available\n");
1648                 else if (ret)
1649                         adsp_warn(dsp, "Failed to parse legacy: %d\n", ret);
1650         }
1651
1652         return 0;
1653
1654 error:
1655         wm_adsp_buffer_free(dsp);
1656         return ret;
1657 }
1658
1659 static int wm_adsp_buffer_free(struct wm_adsp *dsp)
1660 {
1661         struct wm_adsp_compr_buf *buf, *tmp;
1662
1663         list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) {
1664                 wm_adsp_compr_detach(buf->compr);
1665
1666                 kfree(buf->name);
1667                 kfree(buf->regions);
1668                 list_del(&buf->list);
1669                 kfree(buf);
1670         }
1671
1672         return 0;
1673 }
1674
1675 static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf)
1676 {
1677         int ret;
1678
1679         ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error);
1680         if (ret < 0) {
1681                 compr_err(buf, "Failed to check buffer error: %d\n", ret);
1682                 return ret;
1683         }
1684         if (buf->error != 0) {
1685                 compr_err(buf, "Buffer error occurred: %d\n", buf->error);
1686                 return -EIO;
1687         }
1688
1689         return 0;
1690 }
1691
1692 int wm_adsp_compr_trigger(struct snd_soc_component *component,
1693                           struct snd_compr_stream *stream, int cmd)
1694 {
1695         struct wm_adsp_compr *compr = stream->runtime->private_data;
1696         struct wm_adsp *dsp = compr->dsp;
1697         int ret = 0;
1698
1699         compr_dbg(compr, "Trigger: %d\n", cmd);
1700
1701         mutex_lock(&dsp->cs_dsp.pwr_lock);
1702
1703         switch (cmd) {
1704         case SNDRV_PCM_TRIGGER_START:
1705                 if (!wm_adsp_compr_attached(compr)) {
1706                         ret = wm_adsp_compr_attach(compr);
1707                         if (ret < 0) {
1708                                 compr_err(compr, "Failed to link buffer and stream: %d\n",
1709                                           ret);
1710                                 break;
1711                         }
1712                 }
1713
1714                 ret = wm_adsp_buffer_get_error(compr->buf);
1715                 if (ret < 0)
1716                         break;
1717
1718                 /* Trigger the IRQ at one fragment of data */
1719                 ret = wm_adsp_buffer_write(compr->buf,
1720                                            HOST_BUFFER_FIELD(high_water_mark),
1721                                            wm_adsp_compr_frag_words(compr));
1722                 if (ret < 0) {
1723                         compr_err(compr, "Failed to set high water mark: %d\n",
1724                                   ret);
1725                         break;
1726                 }
1727                 break;
1728         case SNDRV_PCM_TRIGGER_STOP:
1729                 if (wm_adsp_compr_attached(compr))
1730                         wm_adsp_buffer_clear(compr->buf);
1731                 break;
1732         default:
1733                 ret = -EINVAL;
1734                 break;
1735         }
1736
1737         mutex_unlock(&dsp->cs_dsp.pwr_lock);
1738
1739         return ret;
1740 }
1741 EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger);
1742
1743 static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf)
1744 {
1745         int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1;
1746
1747         return buf->regions[last_region].cumulative_size;
1748 }
1749
1750 static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf)
1751 {
1752         u32 next_read_index, next_write_index;
1753         int write_index, read_index, avail;
1754         int ret;
1755
1756         /* Only sync read index if we haven't already read a valid index */
1757         if (buf->read_index < 0) {
1758                 ret = wm_adsp_buffer_read(buf,
1759                                 HOST_BUFFER_FIELD(next_read_index),
1760                                 &next_read_index);
1761                 if (ret < 0)
1762                         return ret;
1763
1764                 read_index = sign_extend32(next_read_index, 23);
1765
1766                 if (read_index < 0) {
1767                         compr_dbg(buf, "Avail check on unstarted stream\n");
1768                         return 0;
1769                 }
1770
1771                 buf->read_index = read_index;
1772         }
1773
1774         ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index),
1775                         &next_write_index);
1776         if (ret < 0)
1777                 return ret;
1778
1779         write_index = sign_extend32(next_write_index, 23);
1780
1781         avail = write_index - buf->read_index;
1782         if (avail < 0)
1783                 avail += wm_adsp_buffer_size(buf);
1784
1785         compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n",
1786                   buf->read_index, write_index, avail * CS_DSP_DATA_WORD_SIZE);
1787
1788         buf->avail = avail;
1789
1790         return 0;
1791 }
1792
1793 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp)
1794 {
1795         struct wm_adsp_compr_buf *buf;
1796         struct wm_adsp_compr *compr;
1797         int ret = 0;
1798
1799         mutex_lock(&dsp->cs_dsp.pwr_lock);
1800
1801         if (list_empty(&dsp->buffer_list)) {
1802                 ret = -ENODEV;
1803                 goto out;
1804         }
1805
1806         adsp_dbg(dsp, "Handling buffer IRQ\n");
1807
1808         list_for_each_entry(buf, &dsp->buffer_list, list) {
1809                 compr = buf->compr;
1810
1811                 ret = wm_adsp_buffer_get_error(buf);
1812                 if (ret < 0)
1813                         goto out_notify; /* Wake poll to report error */
1814
1815                 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count),
1816                                           &buf->irq_count);
1817                 if (ret < 0) {
1818                         compr_err(buf, "Failed to get irq_count: %d\n", ret);
1819                         goto out;
1820                 }
1821
1822                 ret = wm_adsp_buffer_update_avail(buf);
1823                 if (ret < 0) {
1824                         compr_err(buf, "Error reading avail: %d\n", ret);
1825                         goto out;
1826                 }
1827
1828                 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2)
1829                         ret = WM_ADSP_COMPR_VOICE_TRIGGER;
1830
1831 out_notify:
1832                 if (compr && compr->stream)
1833                         snd_compr_fragment_elapsed(compr->stream);
1834         }
1835
1836 out:
1837         mutex_unlock(&dsp->cs_dsp.pwr_lock);
1838
1839         return ret;
1840 }
1841 EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq);
1842
1843 static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf)
1844 {
1845         if (buf->irq_count & 0x01)
1846                 return 0;
1847
1848         compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count);
1849
1850         buf->irq_count |= 0x01;
1851
1852         return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack),
1853                                     buf->irq_count);
1854 }
1855
1856 int wm_adsp_compr_pointer(struct snd_soc_component *component,
1857                           struct snd_compr_stream *stream,
1858                           struct snd_compr_tstamp *tstamp)
1859 {
1860         struct wm_adsp_compr *compr = stream->runtime->private_data;
1861         struct wm_adsp *dsp = compr->dsp;
1862         struct wm_adsp_compr_buf *buf;
1863         int ret = 0;
1864
1865         compr_dbg(compr, "Pointer request\n");
1866
1867         mutex_lock(&dsp->cs_dsp.pwr_lock);
1868
1869         buf = compr->buf;
1870
1871         if (dsp->fatal_error || !buf || buf->error) {
1872                 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN);
1873                 ret = -EIO;
1874                 goto out;
1875         }
1876
1877         if (buf->avail < wm_adsp_compr_frag_words(compr)) {
1878                 ret = wm_adsp_buffer_update_avail(buf);
1879                 if (ret < 0) {
1880                         compr_err(compr, "Error reading avail: %d\n", ret);
1881                         goto out;
1882                 }
1883
1884                 /*
1885                  * If we really have less than 1 fragment available tell the
1886                  * DSP to inform us once a whole fragment is available.
1887                  */
1888                 if (buf->avail < wm_adsp_compr_frag_words(compr)) {
1889                         ret = wm_adsp_buffer_get_error(buf);
1890                         if (ret < 0) {
1891                                 if (buf->error)
1892                                         snd_compr_stop_error(stream,
1893                                                         SNDRV_PCM_STATE_XRUN);
1894                                 goto out;
1895                         }
1896
1897                         ret = wm_adsp_buffer_reenable_irq(buf);
1898                         if (ret < 0) {
1899                                 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n",
1900                                           ret);
1901                                 goto out;
1902                         }
1903                 }
1904         }
1905
1906         tstamp->copied_total = compr->copied_total;
1907         tstamp->copied_total += buf->avail * CS_DSP_DATA_WORD_SIZE;
1908         tstamp->sampling_rate = compr->sample_rate;
1909
1910 out:
1911         mutex_unlock(&dsp->cs_dsp.pwr_lock);
1912
1913         return ret;
1914 }
1915 EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer);
1916
1917 static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target)
1918 {
1919         struct wm_adsp_compr_buf *buf = compr->buf;
1920         unsigned int adsp_addr;
1921         int mem_type, nwords, max_read;
1922         int i, ret;
1923
1924         /* Calculate read parameters */
1925         for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i)
1926                 if (buf->read_index < buf->regions[i].cumulative_size)
1927                         break;
1928
1929         if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions)
1930                 return -EINVAL;
1931
1932         mem_type = buf->regions[i].mem_type;
1933         adsp_addr = buf->regions[i].base_addr +
1934                     (buf->read_index - buf->regions[i].offset);
1935
1936         max_read = wm_adsp_compr_frag_words(compr);
1937         nwords = buf->regions[i].cumulative_size - buf->read_index;
1938
1939         if (nwords > target)
1940                 nwords = target;
1941         if (nwords > buf->avail)
1942                 nwords = buf->avail;
1943         if (nwords > max_read)
1944                 nwords = max_read;
1945         if (!nwords)
1946                 return 0;
1947
1948         /* Read data from DSP */
1949         ret = cs_dsp_read_raw_data_block(&buf->dsp->cs_dsp, mem_type, adsp_addr,
1950                                          nwords, (__be32 *)compr->raw_buf);
1951         if (ret < 0)
1952                 return ret;
1953
1954         cs_dsp_remove_padding(compr->raw_buf, nwords);
1955
1956         /* update read index to account for words read */
1957         buf->read_index += nwords;
1958         if (buf->read_index == wm_adsp_buffer_size(buf))
1959                 buf->read_index = 0;
1960
1961         ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index),
1962                                    buf->read_index);
1963         if (ret < 0)
1964                 return ret;
1965
1966         /* update avail to account for words read */
1967         buf->avail -= nwords;
1968
1969         return nwords;
1970 }
1971
1972 static int wm_adsp_compr_read(struct wm_adsp_compr *compr,
1973                               char __user *buf, size_t count)
1974 {
1975         struct wm_adsp *dsp = compr->dsp;
1976         int ntotal = 0;
1977         int nwords, nbytes;
1978
1979         compr_dbg(compr, "Requested read of %zu bytes\n", count);
1980
1981         if (dsp->fatal_error || !compr->buf || compr->buf->error) {
1982                 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN);
1983                 return -EIO;
1984         }
1985
1986         count /= CS_DSP_DATA_WORD_SIZE;
1987
1988         do {
1989                 nwords = wm_adsp_buffer_capture_block(compr, count);
1990                 if (nwords < 0) {
1991                         compr_err(compr, "Failed to capture block: %d\n",
1992                                   nwords);
1993                         return nwords;
1994                 }
1995
1996                 nbytes = nwords * CS_DSP_DATA_WORD_SIZE;
1997
1998                 compr_dbg(compr, "Read %d bytes\n", nbytes);
1999
2000                 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) {
2001                         compr_err(compr, "Failed to copy data to user: %d, %d\n",
2002                                   ntotal, nbytes);
2003                         return -EFAULT;
2004                 }
2005
2006                 count -= nwords;
2007                 ntotal += nbytes;
2008         } while (nwords > 0 && count > 0);
2009
2010         compr->copied_total += ntotal;
2011
2012         return ntotal;
2013 }
2014
2015 int wm_adsp_compr_copy(struct snd_soc_component *component,
2016                        struct snd_compr_stream *stream, char __user *buf,
2017                        size_t count)
2018 {
2019         struct wm_adsp_compr *compr = stream->runtime->private_data;
2020         struct wm_adsp *dsp = compr->dsp;
2021         int ret;
2022
2023         mutex_lock(&dsp->cs_dsp.pwr_lock);
2024
2025         if (stream->direction == SND_COMPRESS_CAPTURE)
2026                 ret = wm_adsp_compr_read(compr, buf, count);
2027         else
2028                 ret = -ENOTSUPP;
2029
2030         mutex_unlock(&dsp->cs_dsp.pwr_lock);
2031
2032         return ret;
2033 }
2034 EXPORT_SYMBOL_GPL(wm_adsp_compr_copy);
2035
2036 static void wm_adsp_fatal_error(struct cs_dsp *cs_dsp)
2037 {
2038         struct wm_adsp *dsp = container_of(cs_dsp, struct wm_adsp, cs_dsp);
2039         struct wm_adsp_compr *compr;
2040
2041         dsp->fatal_error = true;
2042
2043         list_for_each_entry(compr, &dsp->compr_list, list) {
2044                 if (compr->stream)
2045                         snd_compr_fragment_elapsed(compr->stream);
2046         }
2047 }
2048
2049 irqreturn_t wm_adsp2_bus_error(int irq, void *data)
2050 {
2051         struct wm_adsp *dsp = (struct wm_adsp *)data;
2052
2053         cs_dsp_adsp2_bus_error(&dsp->cs_dsp);
2054
2055         return IRQ_HANDLED;
2056 }
2057 EXPORT_SYMBOL_GPL(wm_adsp2_bus_error);
2058
2059 irqreturn_t wm_halo_bus_error(int irq, void *data)
2060 {
2061         struct wm_adsp *dsp = (struct wm_adsp *)data;
2062
2063         cs_dsp_halo_bus_error(&dsp->cs_dsp);
2064
2065         return IRQ_HANDLED;
2066 }
2067 EXPORT_SYMBOL_GPL(wm_halo_bus_error);
2068
2069 irqreturn_t wm_halo_wdt_expire(int irq, void *data)
2070 {
2071         struct wm_adsp *dsp = data;
2072
2073         cs_dsp_halo_wdt_expire(&dsp->cs_dsp);
2074
2075         return IRQ_HANDLED;
2076 }
2077 EXPORT_SYMBOL_GPL(wm_halo_wdt_expire);
2078
2079 static const struct cs_dsp_client_ops wm_adsp1_client_ops = {
2080         .control_add = wm_adsp_control_add,
2081         .control_remove = wm_adsp_control_remove,
2082 };
2083
2084 static const struct cs_dsp_client_ops wm_adsp2_client_ops = {
2085         .control_add = wm_adsp_control_add,
2086         .control_remove = wm_adsp_control_remove,
2087         .pre_run = wm_adsp_pre_run,
2088         .post_run = wm_adsp_event_post_run,
2089         .post_stop = wm_adsp_event_post_stop,
2090         .watchdog_expired = wm_adsp_fatal_error,
2091 };
2092
2093 MODULE_LICENSE("GPL v2");
2094 MODULE_IMPORT_NS(FW_CS_DSP);