sound/soc/codecs/wm_adsp.c

   1 /*
   2  * wm_adsp.c  --  Wolfson ADSP support
   3  *
   4  * Copyright 2012 Wolfson Microelectronics plc
   5  *
   6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/moduleparam.h>
  15 #include <linux/init.h>
  16 #include <linux/delay.h>
  17 #include <linux/firmware.h>
  18 #include <linux/list.h>
  19 #include <linux/pm.h>
  20 #include <linux/pm_runtime.h>
  21 #include <linux/regmap.h>
  22 #include <linux/regulator/consumer.h>
  23 #include <linux/slab.h>
  24 #include <linux/vmalloc.h>
  25 #include <linux/workqueue.h>
  26 #include <linux/debugfs.h>
  27 #include <sound/core.h>
  28 #include <sound/pcm.h>
  29 #include <sound/pcm_params.h>
  30 #include <sound/soc.h>
  31 #include <sound/jack.h>
  32 #include <sound/initval.h>
  33 #include <sound/tlv.h>
  34
  35 #include <linux/mfd/arizona/registers.h>
  36
  37 #include "arizona.h"
  38 #include "wm_adsp.h"
  39
  40 #define adsp_crit(_dsp, fmt, ...) \
  41         dev_crit(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
  42 #define adsp_err(_dsp, fmt, ...) \
  43         dev_err(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
  44 #define adsp_warn(_dsp, fmt, ...) \
  45         dev_warn(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
  46 #define adsp_info(_dsp, fmt, ...) \
  47         dev_info(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
  48 #define adsp_dbg(_dsp, fmt, ...) \
  49         dev_dbg(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__)
  50
  51 #define ADSP1_CONTROL_1                   0x00
  52 #define ADSP1_CONTROL_2                   0x02
  53 #define ADSP1_CONTROL_3                   0x03
  54 #define ADSP1_CONTROL_4                   0x04
  55 #define ADSP1_CONTROL_5                   0x06
  56 #define ADSP1_CONTROL_6                   0x07
  57 #define ADSP1_CONTROL_7                   0x08
  58 #define ADSP1_CONTROL_8                   0x09
  59 #define ADSP1_CONTROL_9                   0x0A
  60 #define ADSP1_CONTROL_10                  0x0B
  61 #define ADSP1_CONTROL_11                  0x0C
  62 #define ADSP1_CONTROL_12                  0x0D
  63 #define ADSP1_CONTROL_13                  0x0F
  64 #define ADSP1_CONTROL_14                  0x10
  65 #define ADSP1_CONTROL_15                  0x11
  66 #define ADSP1_CONTROL_16                  0x12
  67 #define ADSP1_CONTROL_17                  0x13
  68 #define ADSP1_CONTROL_18                  0x14
  69 #define ADSP1_CONTROL_19                  0x16
  70 #define ADSP1_CONTROL_20                  0x17
  71 #define ADSP1_CONTROL_21                  0x18
  72 #define ADSP1_CONTROL_22                  0x1A
  73 #define ADSP1_CONTROL_23                  0x1B
  74 #define ADSP1_CONTROL_24                  0x1C
  75 #define ADSP1_CONTROL_25                  0x1E
  76 #define ADSP1_CONTROL_26                  0x20
  77 #define ADSP1_CONTROL_27                  0x21
  78 #define ADSP1_CONTROL_28                  0x22
  79 #define ADSP1_CONTROL_29                  0x23
  80 #define ADSP1_CONTROL_30                  0x24
  81 #define ADSP1_CONTROL_31                  0x26
  82
  83 /*
  84  * ADSP1 Control 19
  85  */
  86 #define ADSP1_WDMA_BUFFER_LENGTH_MASK     0x00FF  /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
  87 #define ADSP1_WDMA_BUFFER_LENGTH_SHIFT         0  /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
  88 #define ADSP1_WDMA_BUFFER_LENGTH_WIDTH         8  /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
  89
  90
  91 /*
  92  * ADSP1 Control 30
  93  */
  94 #define ADSP1_DBG_CLK_ENA                 0x0008  /* DSP1_DBG_CLK_ENA */
  95 #define ADSP1_DBG_CLK_ENA_MASK            0x0008  /* DSP1_DBG_CLK_ENA */
  96 #define ADSP1_DBG_CLK_ENA_SHIFT                3  /* DSP1_DBG_CLK_ENA */
  97 #define ADSP1_DBG_CLK_ENA_WIDTH                1  /* DSP1_DBG_CLK_ENA */
  98 #define ADSP1_SYS_ENA                     0x0004  /* DSP1_SYS_ENA */
  99 #define ADSP1_SYS_ENA_MASK                0x0004  /* DSP1_SYS_ENA */
 100 #define ADSP1_SYS_ENA_SHIFT                    2  /* DSP1_SYS_ENA */
 101 #define ADSP1_SYS_ENA_WIDTH                    1  /* DSP1_SYS_ENA */
 102 #define ADSP1_CORE_ENA                    0x0002  /* DSP1_CORE_ENA */
 103 #define ADSP1_CORE_ENA_MASK               0x0002  /* DSP1_CORE_ENA */
 104 #define ADSP1_CORE_ENA_SHIFT                   1  /* DSP1_CORE_ENA */
 105 #define ADSP1_CORE_ENA_WIDTH                   1  /* DSP1_CORE_ENA */
 106 #define ADSP1_START                       0x0001  /* DSP1_START */
 107 #define ADSP1_START_MASK                  0x0001  /* DSP1_START */
 108 #define ADSP1_START_SHIFT                      0  /* DSP1_START */
 109 #define ADSP1_START_WIDTH                      1  /* DSP1_START */
 110
 111 /*
 112  * ADSP1 Control 31
 113  */
 114 #define ADSP1_CLK_SEL_MASK                0x0007  /* CLK_SEL_ENA */
 115 #define ADSP1_CLK_SEL_SHIFT                    0  /* CLK_SEL_ENA */
 116 #define ADSP1_CLK_SEL_WIDTH                    3  /* CLK_SEL_ENA */
 117
 118 #define ADSP2_CONTROL        0x0
 119 #define ADSP2_CLOCKING       0x1
 120 #define ADSP2_STATUS1        0x4
 121 #define ADSP2_WDMA_CONFIG_1 0x30
 122 #define ADSP2_WDMA_CONFIG_2 0x31
 123 #define ADSP2_RDMA_CONFIG_1 0x34
 124
 125 #define ADSP2_SCRATCH0        0x40
 126 #define ADSP2_SCRATCH1        0x41
 127 #define ADSP2_SCRATCH2        0x42
 128 #define ADSP2_SCRATCH3        0x43
 129
 130 /*
 131  * ADSP2 Control
 132  */
 133
 134 #define ADSP2_MEM_ENA                     0x0010  /* DSP1_MEM_ENA */
 135 #define ADSP2_MEM_ENA_MASK                0x0010  /* DSP1_MEM_ENA */
 136 #define ADSP2_MEM_ENA_SHIFT                    4  /* DSP1_MEM_ENA */
 137 #define ADSP2_MEM_ENA_WIDTH                    1  /* DSP1_MEM_ENA */
 138 #define ADSP2_SYS_ENA                     0x0004  /* DSP1_SYS_ENA */
 139 #define ADSP2_SYS_ENA_MASK                0x0004  /* DSP1_SYS_ENA */
 140 #define ADSP2_SYS_ENA_SHIFT                    2  /* DSP1_SYS_ENA */
 141 #define ADSP2_SYS_ENA_WIDTH                    1  /* DSP1_SYS_ENA */
 142 #define ADSP2_CORE_ENA                    0x0002  /* DSP1_CORE_ENA */
 143 #define ADSP2_CORE_ENA_MASK               0x0002  /* DSP1_CORE_ENA */
 144 #define ADSP2_CORE_ENA_SHIFT                   1  /* DSP1_CORE_ENA */
 145 #define ADSP2_CORE_ENA_WIDTH                   1  /* DSP1_CORE_ENA */
 146 #define ADSP2_START                       0x0001  /* DSP1_START */
 147 #define ADSP2_START_MASK                  0x0001  /* DSP1_START */
 148 #define ADSP2_START_SHIFT                      0  /* DSP1_START */
 149 #define ADSP2_START_WIDTH                      1  /* DSP1_START */
 150
 151 /*
 152  * ADSP2 clocking
 153  */
 154 #define ADSP2_CLK_SEL_MASK                0x0007  /* CLK_SEL_ENA */
 155 #define ADSP2_CLK_SEL_SHIFT                    0  /* CLK_SEL_ENA */
 156 #define ADSP2_CLK_SEL_WIDTH                    3  /* CLK_SEL_ENA */
 157
 158 /*
 159  * ADSP2 Status 1
 160  */
 161 #define ADSP2_RAM_RDY                     0x0001
 162 #define ADSP2_RAM_RDY_MASK                0x0001
 163 #define ADSP2_RAM_RDY_SHIFT                    0
 164 #define ADSP2_RAM_RDY_WIDTH                    1
 165
 166 struct wm_adsp_buf {
 167         struct list_head list;
 168         void *buf;
 169 };
 170
 171 static struct wm_adsp_buf *wm_adsp_buf_alloc(const void *src, size_t len,
 172                                              struct list_head *list)
 173 {
 174         struct wm_adsp_buf *buf = kzalloc(sizeof(*buf), GFP_KERNEL);
 175
 176         if (buf == NULL)
 177                 return NULL;
 178
 179         buf->buf = vmalloc(len);
 180         if (!buf->buf) {
 181                 vfree(buf);
 182                 return NULL;
 183         }
 184         memcpy(buf->buf, src, len);
 185
 186         if (list)
 187                 list_add_tail(&buf->list, list);
 188
 189         return buf;
 190 }
 191
 192 static void wm_adsp_buf_free(struct list_head *list)
 193 {
 194         while (!list_empty(list)) {
 195                 struct wm_adsp_buf *buf = list_first_entry(list,
 196                                                            struct wm_adsp_buf,
 197                                                            list);
 198                 list_del(&buf->list);
 199                 vfree(buf->buf);
 200                 kfree(buf);
 201         }
 202 }
 203
 204 #define WM_ADSP_FW_MBC_VSS  0
 205 #define WM_ADSP_FW_HIFI     1
 206 #define WM_ADSP_FW_TX       2
 207 #define WM_ADSP_FW_TX_SPK   3
 208 #define WM_ADSP_FW_RX       4
 209 #define WM_ADSP_FW_RX_ANC   5
 210 #define WM_ADSP_FW_CTRL     6
 211 #define WM_ADSP_FW_ASR      7
 212 #define WM_ADSP_FW_TRACE    8
 213 #define WM_ADSP_FW_SPK_PROT 9
 214 #define WM_ADSP_FW_MISC     10
 215
 216 #define WM_ADSP_NUM_FW      11
 217
 218 static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = {
 219         [WM_ADSP_FW_MBC_VSS] =  "MBC/VSS",
 220         [WM_ADSP_FW_HIFI] =     "MasterHiFi",
 221         [WM_ADSP_FW_TX] =       "Tx",
 222         [WM_ADSP_FW_TX_SPK] =   "Tx Speaker",
 223         [WM_ADSP_FW_RX] =       "Rx",
 224         [WM_ADSP_FW_RX_ANC] =   "Rx ANC",
 225         [WM_ADSP_FW_CTRL] =     "Voice Ctrl",
 226         [WM_ADSP_FW_ASR] =      "ASR Assist",
 227         [WM_ADSP_FW_TRACE] =    "Dbg Trace",
 228         [WM_ADSP_FW_SPK_PROT] = "Protection",
 229         [WM_ADSP_FW_MISC] =     "Misc",
 230 };
 231
 232 struct wm_adsp_system_config_xm_hdr {
 233         __be32 sys_enable;
 234         __be32 fw_id;
 235         __be32 fw_rev;
 236         __be32 boot_status;
 237         __be32 watchdog;
 238         __be32 dma_buffer_size;
 239         __be32 rdma[6];
 240         __be32 wdma[8];
 241         __be32 build_job_name[3];
 242         __be32 build_job_number;
 243 };
 244
 245 struct wm_adsp_alg_xm_struct {
 246         __be32 magic;
 247         __be32 smoothing;
 248         __be32 threshold;
 249         __be32 host_buf_ptr;
 250         __be32 start_seq;
 251         __be32 high_water_mark;
 252         __be32 low_water_mark;
 253         __be64 smoothed_power;
 254 };
 255
 256 struct wm_adsp_buffer {
 257         __be32 X_buf_base;              /* XM base addr of first X area */
 258         __be32 X_buf_size;              /* Size of 1st X area in words */
 259         __be32 X_buf_base2;             /* XM base addr of 2nd X area */
 260         __be32 X_buf_brk;               /* Total X size in words */
 261         __be32 Y_buf_base;              /* YM base addr of Y area */
 262         __be32 wrap;                    /* Total size X and Y in words */
 263         __be32 high_water_mark;         /* Point at which IRQ is asserted */
 264         __be32 irq_count;               /* bits 1-31 count IRQ assertions */
 265         __be32 irq_ack;                 /* acked IRQ count, bit 0 enables IRQ */
 266         __be32 next_write_index;        /* word index of next write */
 267         __be32 next_read_index;         /* word index of next read */
 268         __be32 error;                   /* error if any */
 269         __be32 oldest_block_index;      /* word index of oldest surviving */
 270         __be32 requested_rewind;        /* how many blocks rewind was done */
 271         __be32 reserved_space;          /* internal */
 272         __be32 min_free;                /* min free space since stream start */
 273         __be32 blocks_written[2];       /* total blocks written (64 bit) */
 274         __be32 words_written[2];        /* total words written (64 bit) */
 275 };
 276
 277 struct wm_adsp_compr_buf {
 278         struct wm_adsp *dsp;
 279
 280         struct wm_adsp_buffer_region *regions;
 281         u32 host_buf_ptr;
 282
 283         u32 error;
 284         u32 irq_count;
 285         int read_index;
 286         int avail;
 287 };
 288
 289 struct wm_adsp_compr {
 290         struct wm_adsp *dsp;
 291         struct wm_adsp_compr_buf *buf;
 292
 293         struct snd_compr_stream *stream;
 294         struct snd_compressed_buffer size;
 295
 296         u32 *raw_buf;
 297         unsigned int copied_total;
 298 };
 299
 300 #define WM_ADSP_DATA_WORD_SIZE         3
 301
 302 #define WM_ADSP_MIN_FRAGMENTS          1
 303 #define WM_ADSP_MAX_FRAGMENTS          256
 304 #define WM_ADSP_MIN_FRAGMENT_SIZE      (64 * WM_ADSP_DATA_WORD_SIZE)
 305 #define WM_ADSP_MAX_FRAGMENT_SIZE      (4096 * WM_ADSP_DATA_WORD_SIZE)
 306
 307 #define WM_ADSP_ALG_XM_STRUCT_MAGIC    0x49aec7
 308
 309 #define HOST_BUFFER_FIELD(field) \
 310         (offsetof(struct wm_adsp_buffer, field) / sizeof(__be32))
 311
 312 #define ALG_XM_FIELD(field) \
 313         (offsetof(struct wm_adsp_alg_xm_struct, field) / sizeof(__be32))
 314
 315 static int wm_adsp_buffer_init(struct wm_adsp *dsp);
 316 static int wm_adsp_buffer_free(struct wm_adsp *dsp);
 317
 318 struct wm_adsp_buffer_region {
 319         unsigned int offset;
 320         unsigned int cumulative_size;
 321         unsigned int mem_type;
 322         unsigned int base_addr;
 323 };
 324
 325 struct wm_adsp_buffer_region_def {
 326         unsigned int mem_type;
 327         unsigned int base_offset;
 328         unsigned int size_offset;
 329 };
 330
 331 static struct wm_adsp_buffer_region_def ez2control_regions[] = {
 332         {
 333                 .mem_type = WMFW_ADSP2_XM,
 334                 .base_offset = HOST_BUFFER_FIELD(X_buf_base),
 335                 .size_offset = HOST_BUFFER_FIELD(X_buf_size),
 336         },
 337         {
 338                 .mem_type = WMFW_ADSP2_XM,
 339                 .base_offset = HOST_BUFFER_FIELD(X_buf_base2),
 340                 .size_offset = HOST_BUFFER_FIELD(X_buf_brk),
 341         },
 342         {
 343                 .mem_type = WMFW_ADSP2_YM,
 344                 .base_offset = HOST_BUFFER_FIELD(Y_buf_base),
 345                 .size_offset = HOST_BUFFER_FIELD(wrap),
 346         },
 347 };
 348
 349 struct wm_adsp_fw_caps {
 350         u32 id;
 351         struct snd_codec_desc desc;
 352         int num_regions;
 353         struct wm_adsp_buffer_region_def *region_defs;
 354 };
 355
 356 static const struct wm_adsp_fw_caps ez2control_caps[] = {
 357         {
 358                 .id = SND_AUDIOCODEC_BESPOKE,
 359                 .desc = {
 360                         .max_ch = 1,
 361                         .sample_rates = { 16000 },
 362                         .num_sample_rates = 1,
 363                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 364                 },
 365                 .num_regions = ARRAY_SIZE(ez2control_regions),
 366                 .region_defs = ez2control_regions,
 367         },
 368 };
 369
 370 static const struct {
 371         const char *file;
 372         int compr_direction;
 373         int num_caps;
 374         const struct wm_adsp_fw_caps *caps;
 375 } wm_adsp_fw[WM_ADSP_NUM_FW] = {
 376         [WM_ADSP_FW_MBC_VSS] =  { .file = "mbc-vss" },
 377         [WM_ADSP_FW_HIFI] =     { .file = "hifi" },
 378         [WM_ADSP_FW_TX] =       { .file = "tx" },
 379         [WM_ADSP_FW_TX_SPK] =   { .file = "tx-spk" },
 380         [WM_ADSP_FW_RX] =       { .file = "rx" },
 381         [WM_ADSP_FW_RX_ANC] =   { .file = "rx-anc" },
 382         [WM_ADSP_FW_CTRL] =     {
 383                 .file = "ctrl",
 384                 .compr_direction = SND_COMPRESS_CAPTURE,
 385                 .num_caps = ARRAY_SIZE(ez2control_caps),
 386                 .caps = ez2control_caps,
 387         },
 388         [WM_ADSP_FW_ASR] =      { .file = "asr" },
 389         [WM_ADSP_FW_TRACE] =    { .file = "trace" },
 390         [WM_ADSP_FW_SPK_PROT] = { .file = "spk-prot" },
 391         [WM_ADSP_FW_MISC] =     { .file = "misc" },
 392 };
 393
 394 struct wm_coeff_ctl_ops {
 395         int (*xget)(struct snd_kcontrol *kcontrol,
 396                     struct snd_ctl_elem_value *ucontrol);
 397         int (*xput)(struct snd_kcontrol *kcontrol,
 398                     struct snd_ctl_elem_value *ucontrol);
 399         int (*xinfo)(struct snd_kcontrol *kcontrol,
 400                      struct snd_ctl_elem_info *uinfo);
 401 };
 402
 403 struct wm_coeff_ctl {
 404         const char *name;
 405         const char *fw_name;
 406         struct wm_adsp_alg_region alg_region;
 407         struct wm_coeff_ctl_ops ops;
 408         struct wm_adsp *dsp;
 409         unsigned int enabled:1;
 410         struct list_head list;
 411         void *cache;
 412         unsigned int offset;
 413         size_t len;
 414         unsigned int set:1;
 415         struct snd_kcontrol *kcontrol;
 416         unsigned int flags;
 417 };
 418
 419 #ifdef CONFIG_DEBUG_FS
 420 static void wm_adsp_debugfs_save_wmfwname(struct wm_adsp *dsp, const char *s)
 421 {
 422         char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
 423
 424         kfree(dsp->wmfw_file_name);
 425         dsp->wmfw_file_name = tmp;
 426 }
 427
 428 static void wm_adsp_debugfs_save_binname(struct wm_adsp *dsp, const char *s)
 429 {
 430         char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
 431
 432         kfree(dsp->bin_file_name);
 433         dsp->bin_file_name = tmp;
 434 }
 435
 436 static void wm_adsp_debugfs_clear(struct wm_adsp *dsp)
 437 {
 438         kfree(dsp->wmfw_file_name);
 439         kfree(dsp->bin_file_name);
 440         dsp->wmfw_file_name = NULL;
 441         dsp->bin_file_name = NULL;
 442 }
 443
 444 static ssize_t wm_adsp_debugfs_wmfw_read(struct file *file,
 445                                          char __user *user_buf,
 446                                          size_t count, loff_t *ppos)
 447 {
 448         struct wm_adsp *dsp = file->private_data;
 449         ssize_t ret;
 450
 451         mutex_lock(&dsp->pwr_lock);
 452
 453         if (!dsp->wmfw_file_name || !dsp->running)
 454                 ret = 0;
 455         else
 456                 ret = simple_read_from_buffer(user_buf, count, ppos,
 457                                               dsp->wmfw_file_name,
 458                                               strlen(dsp->wmfw_file_name));
 459
 460         mutex_unlock(&dsp->pwr_lock);
 461         return ret;
 462 }
 463
 464 static ssize_t wm_adsp_debugfs_bin_read(struct file *file,
 465                                         char __user *user_buf,
 466                                         size_t count, loff_t *ppos)
 467 {
 468         struct wm_adsp *dsp = file->private_data;
 469         ssize_t ret;
 470
 471         mutex_lock(&dsp->pwr_lock);
 472
 473         if (!dsp->bin_file_name || !dsp->running)
 474                 ret = 0;
 475         else
 476                 ret = simple_read_from_buffer(user_buf, count, ppos,
 477                                               dsp->bin_file_name,
 478                                               strlen(dsp->bin_file_name));
 479
 480         mutex_unlock(&dsp->pwr_lock);
 481         return ret;
 482 }
 483
 484 static const struct {
 485         const char *name;
 486         const struct file_operations fops;
 487 } wm_adsp_debugfs_fops[] = {
 488         {
 489                 .name = "wmfw_file_name",
 490                 .fops = {
 491                         .open = simple_open,
 492                         .read = wm_adsp_debugfs_wmfw_read,
 493                 },
 494         },
 495         {
 496                 .name = "bin_file_name",
 497                 .fops = {
 498                         .open = simple_open,
 499                         .read = wm_adsp_debugfs_bin_read,
 500                 },
 501         },
 502 };
 503
 504 static void wm_adsp2_init_debugfs(struct wm_adsp *dsp,
 505                                   struct snd_soc_codec *codec)
 506 {
 507         struct dentry *root = NULL;
 508         char *root_name;
 509         int i;
 510
 511         if (!codec->component.debugfs_root) {
 512                 adsp_err(dsp, "No codec debugfs root\n");
 513                 goto err;
 514         }
 515
 516         root_name = kmalloc(PAGE_SIZE, GFP_KERNEL);
 517         if (!root_name)
 518                 goto err;
 519
 520         snprintf(root_name, PAGE_SIZE, "dsp%d", dsp->num);
 521         root = debugfs_create_dir(root_name, codec->component.debugfs_root);
 522         kfree(root_name);
 523
 524         if (!root)
 525                 goto err;
 526
 527         if (!debugfs_create_bool("running", S_IRUGO, root, &dsp->running))
 528                 goto err;
 529
 530         if (!debugfs_create_x32("fw_id", S_IRUGO, root, &dsp->fw_id))
 531                 goto err;
 532
 533         if (!debugfs_create_x32("fw_version", S_IRUGO, root,
 534                                 &dsp->fw_id_version))
 535                 goto err;
 536
 537         for (i = 0; i < ARRAY_SIZE(wm_adsp_debugfs_fops); ++i) {
 538                 if (!debugfs_create_file(wm_adsp_debugfs_fops[i].name,
 539                                          S_IRUGO, root, dsp,
 540                                          &wm_adsp_debugfs_fops[i].fops))
 541                         goto err;
 542         }
 543
 544         dsp->debugfs_root = root;
 545         return;
 546
 547 err:
 548         debugfs_remove_recursive(root);
 549         adsp_err(dsp, "Failed to create debugfs\n");
 550 }
 551
 552 static void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp)
 553 {
 554         wm_adsp_debugfs_clear(dsp);
 555         debugfs_remove_recursive(dsp->debugfs_root);
 556 }
 557 #else
 558 static inline void wm_adsp2_init_debugfs(struct wm_adsp *dsp,
 559                                          struct snd_soc_codec *codec)
 560 {
 561 }
 562
 563 static inline void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp)
 564 {
 565 }
 566
 567 static inline void wm_adsp_debugfs_save_wmfwname(struct wm_adsp *dsp,
 568                                                  const char *s)
 569 {
 570 }
 571
 572 static inline void wm_adsp_debugfs_save_binname(struct wm_adsp *dsp,
 573                                                 const char *s)
 574 {
 575 }
 576
 577 static inline void wm_adsp_debugfs_clear(struct wm_adsp *dsp)
 578 {
 579 }
 580 #endif
 581
 582 static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
 583                           struct snd_ctl_elem_value *ucontrol)
 584 {
 585         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 586         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 587         struct wm_adsp *dsp = snd_soc_codec_get_drvdata(codec);
 588
 589         ucontrol->value.enumerated.item[0] = dsp[e->shift_l].fw;
 590
 591         return 0;
 592 }
 593
 594 static int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
 595                           struct snd_ctl_elem_value *ucontrol)
 596 {
 597         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 598         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 599         struct wm_adsp *dsp = snd_soc_codec_get_drvdata(codec);
 600         int ret = 0;
 601
 602         if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw)
 603                 return 0;
 604
 605         if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW)
 606                 return -EINVAL;
 607
 608         mutex_lock(&dsp[e->shift_l].pwr_lock);
 609
 610         if (dsp[e->shift_l].running || dsp[e->shift_l].compr)
 611                 ret = -EBUSY;
 612         else
 613                 dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0];
 614
 615         mutex_unlock(&dsp[e->shift_l].pwr_lock);
 616
 617         return ret;
 618 }
 619
 620 static const struct soc_enum wm_adsp_fw_enum[] = {
 621         SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 622         SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 623         SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 624         SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 625 };
 626
 627 const struct snd_kcontrol_new wm_adsp_fw_controls[] = {
 628         SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0],
 629                      wm_adsp_fw_get, wm_adsp_fw_put),
 630         SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1],
 631                      wm_adsp_fw_get, wm_adsp_fw_put),
 632         SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2],
 633                      wm_adsp_fw_get, wm_adsp_fw_put),
 634         SOC_ENUM_EXT("DSP4 Firmware", wm_adsp_fw_enum[3],
 635                      wm_adsp_fw_get, wm_adsp_fw_put),
 636 };
 637 EXPORT_SYMBOL_GPL(wm_adsp_fw_controls);
 638
 639 static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *dsp,
 640                                                         int type)
 641 {
 642         int i;
 643
 644         for (i = 0; i < dsp->num_mems; i++)
 645                 if (dsp->mem[i].type == type)
 646                         return &dsp->mem[i];
 647
 648         return NULL;
 649 }
 650
 651 static unsigned int wm_adsp_region_to_reg(struct wm_adsp_region const *mem,
 652                                           unsigned int offset)
 653 {
 654         if (WARN_ON(!mem))
 655                 return offset;
 656         switch (mem->type) {
 657         case WMFW_ADSP1_PM:
 658                 return mem->base + (offset * 3);
 659         case WMFW_ADSP1_DM:
 660                 return mem->base + (offset * 2);
 661         case WMFW_ADSP2_XM:
 662                 return mem->base + (offset * 2);
 663         case WMFW_ADSP2_YM:
 664                 return mem->base + (offset * 2);
 665         case WMFW_ADSP1_ZM:
 666                 return mem->base + (offset * 2);
 667         default:
 668                 WARN(1, "Unknown memory region type");
 669                 return offset;
 670         }
 671 }
 672
 673 static void wm_adsp2_show_fw_status(struct wm_adsp *dsp)
 674 {
 675         u16 scratch[4];
 676         int ret;
 677
 678         ret = regmap_raw_read(dsp->regmap, dsp->base + ADSP2_SCRATCH0,
 679                                 scratch, sizeof(scratch));
 680         if (ret) {
 681                 adsp_err(dsp, "Failed to read SCRATCH regs: %d\n", ret);
 682                 return;
 683         }
 684
 685         adsp_dbg(dsp, "FW SCRATCH 0:0x%x 1:0x%x 2:0x%x 3:0x%x\n",
 686                  be16_to_cpu(scratch[0]),
 687                  be16_to_cpu(scratch[1]),
 688                  be16_to_cpu(scratch[2]),
 689                  be16_to_cpu(scratch[3]));
 690 }
 691
 692 static int wm_coeff_info(struct snd_kcontrol *kctl,
 693                          struct snd_ctl_elem_info *uinfo)
 694 {
 695         struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kctl->private_value;
 696
 697         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 698         uinfo->count = ctl->len;
 699         return 0;
 700 }
 701
 702 static int wm_coeff_write_control(struct wm_coeff_ctl *ctl,
 703                                   const void *buf, size_t len)
 704 {
 705         struct wm_adsp_alg_region *alg_region = &ctl->alg_region;
 706         const struct wm_adsp_region *mem;
 707         struct wm_adsp *dsp = ctl->dsp;
 708         void *scratch;
 709         int ret;
 710         unsigned int reg;
 711
 712         mem = wm_adsp_find_region(dsp, alg_region->type);
 713         if (!mem) {
 714                 adsp_err(dsp, "No base for region %x\n",
 715                          alg_region->type);
 716                 return -EINVAL;
 717         }
 718
 719         reg = ctl->alg_region.base + ctl->offset;
 720         reg = wm_adsp_region_to_reg(mem, reg);
 721
 722         scratch = kmemdup(buf, ctl->len, GFP_KERNEL | GFP_DMA);
 723         if (!scratch)
 724                 return -ENOMEM;
 725
 726         ret = regmap_raw_write(dsp->regmap, reg, scratch,
 727                                ctl->len);
 728         if (ret) {
 729                 adsp_err(dsp, "Failed to write %zu bytes to %x: %d\n",
 730                          ctl->len, reg, ret);
 731                 kfree(scratch);
 732                 return ret;
 733         }
 734         adsp_dbg(dsp, "Wrote %zu bytes to %x\n", ctl->len, reg);
 735
 736         kfree(scratch);
 737
 738         return 0;
 739 }
 740
 741 static int wm_coeff_put(struct snd_kcontrol *kctl,
 742                         struct snd_ctl_elem_value *ucontrol)
 743 {
 744         struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kctl->private_value;
 745         char *p = ucontrol->value.bytes.data;
 746         int ret = 0;
 747
 748         mutex_lock(&ctl->dsp->pwr_lock);
 749
 750         memcpy(ctl->cache, p, ctl->len);
 751
 752         ctl->set = 1;
 753         if (ctl->enabled)
 754                 ret = wm_coeff_write_control(ctl, p, ctl->len);
 755
 756         mutex_unlock(&ctl->dsp->pwr_lock);
 757
 758         return ret;
 759 }
 760
 761 static int wm_coeff_read_control(struct wm_coeff_ctl *ctl,
 762                                  void *buf, size_t len)
 763 {
 764         struct wm_adsp_alg_region *alg_region = &ctl->alg_region;
 765         const struct wm_adsp_region *mem;
 766         struct wm_adsp *dsp = ctl->dsp;
 767         void *scratch;
 768         int ret;
 769         unsigned int reg;
 770
 771         mem = wm_adsp_find_region(dsp, alg_region->type);
 772         if (!mem) {
 773                 adsp_err(dsp, "No base for region %x\n",
 774                          alg_region->type);
 775                 return -EINVAL;
 776         }
 777
 778         reg = ctl->alg_region.base + ctl->offset;
 779         reg = wm_adsp_region_to_reg(mem, reg);
 780
 781         scratch = kmalloc(ctl->len, GFP_KERNEL | GFP_DMA);
 782         if (!scratch)
 783                 return -ENOMEM;
 784
 785         ret = regmap_raw_read(dsp->regmap, reg, scratch, ctl->len);
 786         if (ret) {
 787                 adsp_err(dsp, "Failed to read %zu bytes from %x: %d\n",
 788                          ctl->len, reg, ret);
 789                 kfree(scratch);
 790                 return ret;
 791         }
 792         adsp_dbg(dsp, "Read %zu bytes from %x\n", ctl->len, reg);
 793
 794         memcpy(buf, scratch, ctl->len);
 795         kfree(scratch);
 796
 797         return 0;
 798 }
 799
 800 static int wm_coeff_get(struct snd_kcontrol *kctl,
 801                         struct snd_ctl_elem_value *ucontrol)
 802 {
 803         struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kctl->private_value;
 804         char *p = ucontrol->value.bytes.data;
 805         int ret = 0;
 806
 807         mutex_lock(&ctl->dsp->pwr_lock);
 808
 809         if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) {
 810                 if (ctl->enabled)
 811                         ret = wm_coeff_read_control(ctl, p, ctl->len);
 812                 else
 813                         ret = -EPERM;
 814         } else {
 815                 if (!ctl->flags && ctl->enabled)
 816                         ret = wm_coeff_read_control(ctl, ctl->cache, ctl->len);
 817
 818                 memcpy(p, ctl->cache, ctl->len);
 819         }
 820
 821         mutex_unlock(&ctl->dsp->pwr_lock);
 822
 823         return ret;
 824 }
 825
 826 struct wmfw_ctl_work {
 827         struct wm_adsp *dsp;
 828         struct wm_coeff_ctl *ctl;
 829         struct work_struct work;
 830 };
 831
 832 static int wmfw_add_ctl(struct wm_adsp *dsp, struct wm_coeff_ctl *ctl)
 833 {
 834         struct snd_kcontrol_new *kcontrol;
 835         int ret;
 836
 837         if (!ctl || !ctl->name)
 838                 return -EINVAL;
 839
 840         kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL);
 841         if (!kcontrol)
 842                 return -ENOMEM;
 843         kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 844
 845         kcontrol->name = ctl->name;
 846         kcontrol->info = wm_coeff_info;
 847         kcontrol->get = wm_coeff_get;
 848         kcontrol->put = wm_coeff_put;
 849         kcontrol->private_value = (unsigned long)ctl;
 850
 851         if (ctl->flags) {
 852                 if (ctl->flags & WMFW_CTL_FLAG_WRITEABLE)
 853                         kcontrol->access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
 854                 if (ctl->flags & WMFW_CTL_FLAG_READABLE)
 855                         kcontrol->access |= SNDRV_CTL_ELEM_ACCESS_READ;
 856                 if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
 857                         kcontrol->access |= SNDRV_CTL_ELEM_ACCESS_VOLATILE;
 858         }
 859
 860         ret = snd_soc_add_card_controls(dsp->card,
 861                                         kcontrol, 1);
 862         if (ret < 0)
 863                 goto err_kcontrol;
 864
 865         kfree(kcontrol);
 866
 867         ctl->kcontrol = snd_soc_card_get_kcontrol(dsp->card,
 868                                                   ctl->name);
 869
 870         return 0;
 871
 872 err_kcontrol:
 873         kfree(kcontrol);
 874         return ret;
 875 }
 876
 877 static int wm_coeff_init_control_caches(struct wm_adsp *dsp)
 878 {
 879         struct wm_coeff_ctl *ctl;
 880         int ret;
 881
 882         list_for_each_entry(ctl, &dsp->ctl_list, list) {
 883                 if (!ctl->enabled || ctl->set)
 884                         continue;
 885                 if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
 886                         continue;
 887
 888                 ret = wm_coeff_read_control(ctl,
 889                                             ctl->cache,
 890                                             ctl->len);
 891                 if (ret < 0)
 892                         return ret;
 893         }
 894
 895         return 0;
 896 }
 897
 898 static int wm_coeff_sync_controls(struct wm_adsp *dsp)
 899 {
 900         struct wm_coeff_ctl *ctl;
 901         int ret;
 902
 903         list_for_each_entry(ctl, &dsp->ctl_list, list) {
 904                 if (!ctl->enabled)
 905                         continue;
 906                 if (ctl->set && !(ctl->flags & WMFW_CTL_FLAG_VOLATILE)) {
 907                         ret = wm_coeff_write_control(ctl,
 908                                                      ctl->cache,
 909                                                      ctl->len);
 910                         if (ret < 0)
 911                                 return ret;
 912                 }
 913         }
 914
 915         return 0;
 916 }
 917
 918 static void wm_adsp_ctl_work(struct work_struct *work)
 919 {
 920         struct wmfw_ctl_work *ctl_work = container_of(work,
 921                                                       struct wmfw_ctl_work,
 922                                                       work);
 923
 924         wmfw_add_ctl(ctl_work->dsp, ctl_work->ctl);
 925         kfree(ctl_work);
 926 }
 927
 928 static int wm_adsp_create_control(struct wm_adsp *dsp,
 929                                   const struct wm_adsp_alg_region *alg_region,
 930                                   unsigned int offset, unsigned int len,
 931                                   const char *subname, unsigned int subname_len,
 932                                   unsigned int flags)
 933 {
 934         struct wm_coeff_ctl *ctl;
 935         struct wmfw_ctl_work *ctl_work;
 936         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
 937         char *region_name;
 938         int ret;
 939
 940         if (flags & WMFW_CTL_FLAG_SYS)
 941                 return 0;
 942
 943         switch (alg_region->type) {
 944         case WMFW_ADSP1_PM:
 945                 region_name = "PM";
 946                 break;
 947         case WMFW_ADSP1_DM:
 948                 region_name = "DM";
 949                 break;
 950         case WMFW_ADSP2_XM:
 951                 region_name = "XM";
 952                 break;
 953         case WMFW_ADSP2_YM:
 954                 region_name = "YM";
 955                 break;
 956         case WMFW_ADSP1_ZM:
 957                 region_name = "ZM";
 958                 break;
 959         default:
 960                 adsp_err(dsp, "Unknown region type: %d\n", alg_region->type);
 961                 return -EINVAL;
 962         }
 963
 964         switch (dsp->fw_ver) {
 965         case 0:
 966         case 1:
 967                 snprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "DSP%d %s %x",
 968                          dsp->num, region_name, alg_region->alg);
 969                 break;
 970         default:
 971                 ret = snprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
 972                                 "DSP%d%c %.12s %x", dsp->num, *region_name,
 973                                 wm_adsp_fw_text[dsp->fw], alg_region->alg);
 974
 975                 /* Truncate the subname from the start if it is too long */
 976                 if (subname) {
 977                         int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2;
 978                         int skip = 0;
 979
 980                         if (subname_len > avail)
 981                                 skip = subname_len - avail;
 982
 983                         snprintf(name + ret,
 984                                  SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret, " %.*s",
 985                                  subname_len - skip, subname + skip);
 986                 }
 987                 break;
 988         }
 989
 990         list_for_each_entry(ctl, &dsp->ctl_list, list) {
 991                 if (!strcmp(ctl->name, name)) {
 992                         if (!ctl->enabled)
 993                                 ctl->enabled = 1;
 994                         return 0;
 995                 }
 996         }
 997
 998         ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
 999         if (!ctl)
1000                 return -ENOMEM;
1001         ctl->fw_name = wm_adsp_fw_text[dsp->fw];
1002         ctl->alg_region = *alg_region;
1003         ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL);
1004         if (!ctl->name) {
1005                 ret = -ENOMEM;
1006                 goto err_ctl;
1007         }
1008         ctl->enabled = 1;
1009         ctl->set = 0;
1010         ctl->ops.xget = wm_coeff_get;
1011         ctl->ops.xput = wm_coeff_put;
1012         ctl->dsp = dsp;
1013
1014         ctl->flags = flags;
1015         ctl->offset = offset;
1016         if (len > 512) {
1017                 adsp_warn(dsp, "Truncating control %s from %d\n",
1018                           ctl->name, len);
1019                 len = 512;
1020         }
1021         ctl->len = len;
1022         ctl->cache = kzalloc(ctl->len, GFP_KERNEL);
1023         if (!ctl->cache) {
1024                 ret = -ENOMEM;
1025                 goto err_ctl_name;
1026         }
1027
1028         list_add(&ctl->list, &dsp->ctl_list);
1029
1030         ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL);
1031         if (!ctl_work) {
1032                 ret = -ENOMEM;
1033                 goto err_ctl_cache;
1034         }
1035
1036         ctl_work->dsp = dsp;
1037         ctl_work->ctl = ctl;
1038         INIT_WORK(&ctl_work->work, wm_adsp_ctl_work);
1039         schedule_work(&ctl_work->work);
1040
1041         return 0;
1042
1043 err_ctl_cache:
1044         kfree(ctl->cache);
1045 err_ctl_name:
1046         kfree(ctl->name);
1047 err_ctl:
1048         kfree(ctl);
1049
1050         return ret;
1051 }
1052
1053 struct wm_coeff_parsed_alg {
1054         int id;
1055         const u8 *name;
1056         int name_len;
1057         int ncoeff;
1058 };
1059
1060 struct wm_coeff_parsed_coeff {
1061         int offset;
1062         int mem_type;
1063         const u8 *name;
1064         int name_len;
1065         int ctl_type;
1066         int flags;
1067         int len;
1068 };
1069
1070 static int wm_coeff_parse_string(int bytes, const u8 **pos, const u8 **str)
1071 {
1072         int length;
1073
1074         switch (bytes) {
1075         case 1:
1076                 length = **pos;
1077                 break;
1078         case 2:
1079                 length = le16_to_cpu(*((__le16 *)*pos));
1080                 break;
1081         default:
1082                 return 0;
1083         }
1084
1085         if (str)
1086                 *str = *pos + bytes;
1087
1088         *pos += ((length + bytes) + 3) & ~0x03;
1089
1090         return length;
1091 }
1092
1093 static int wm_coeff_parse_int(int bytes, const u8 **pos)
1094 {
1095         int val = 0;
1096
1097         switch (bytes) {
1098         case 2:
1099                 val = le16_to_cpu(*((__le16 *)*pos));
1100                 break;
1101         case 4:
1102                 val = le32_to_cpu(*((__le32 *)*pos));
1103                 break;
1104         default:
1105                 break;
1106         }
1107
1108         *pos += bytes;
1109
1110         return val;
1111 }
1112
1113 static inline void wm_coeff_parse_alg(struct wm_adsp *dsp, const u8 **data,
1114                                       struct wm_coeff_parsed_alg *blk)
1115 {
1116         const struct wmfw_adsp_alg_data *raw;
1117
1118         switch (dsp->fw_ver) {
1119         case 0:
1120         case 1:
1121                 raw = (const struct wmfw_adsp_alg_data *)*data;
1122                 *data = raw->data;
1123
1124                 blk->id = le32_to_cpu(raw->id);
1125                 blk->name = raw->name;
1126                 blk->name_len = strlen(raw->name);
1127                 blk->ncoeff = le32_to_cpu(raw->ncoeff);
1128                 break;
1129         default:
1130                 blk->id = wm_coeff_parse_int(sizeof(raw->id), data);
1131                 blk->name_len = wm_coeff_parse_string(sizeof(u8), data,
1132                                                       &blk->name);
1133                 wm_coeff_parse_string(sizeof(u16), data, NULL);
1134                 blk->ncoeff = wm_coeff_parse_int(sizeof(raw->ncoeff), data);
1135                 break;
1136         }
1137
1138         adsp_dbg(dsp, "Algorithm ID: %#x\n", blk->id);
1139         adsp_dbg(dsp, "Algorithm name: %.*s\n", blk->name_len, blk->name);
1140         adsp_dbg(dsp, "# of coefficient descriptors: %#x\n", blk->ncoeff);
1141 }
1142
1143 static inline void wm_coeff_parse_coeff(struct wm_adsp *dsp, const u8 **data,
1144                                         struct wm_coeff_parsed_coeff *blk)
1145 {
1146         const struct wmfw_adsp_coeff_data *raw;
1147         const u8 *tmp;
1148         int length;
1149
1150         switch (dsp->fw_ver) {
1151         case 0:
1152         case 1:
1153                 raw = (const struct wmfw_adsp_coeff_data *)*data;
1154                 *data = *data + sizeof(raw->hdr) + le32_to_cpu(raw->hdr.size);
1155
1156                 blk->offset = le16_to_cpu(raw->hdr.offset);
1157                 blk->mem_type = le16_to_cpu(raw->hdr.type);
1158                 blk->name = raw->name;
1159                 blk->name_len = strlen(raw->name);
1160                 blk->ctl_type = le16_to_cpu(raw->ctl_type);
1161                 blk->flags = le16_to_cpu(raw->flags);
1162                 blk->len = le32_to_cpu(raw->len);
1163                 break;
1164         default:
1165                 tmp = *data;
1166                 blk->offset = wm_coeff_parse_int(sizeof(raw->hdr.offset), &tmp);
1167                 blk->mem_type = wm_coeff_parse_int(sizeof(raw->hdr.type), &tmp);
1168                 length = wm_coeff_parse_int(sizeof(raw->hdr.size), &tmp);
1169                 blk->name_len = wm_coeff_parse_string(sizeof(u8), &tmp,
1170                                                       &blk->name);
1171                 wm_coeff_parse_string(sizeof(u8), &tmp, NULL);
1172                 wm_coeff_parse_string(sizeof(u16), &tmp, NULL);
1173                 blk->ctl_type = wm_coeff_parse_int(sizeof(raw->ctl_type), &tmp);
1174                 blk->flags = wm_coeff_parse_int(sizeof(raw->flags), &tmp);
1175                 blk->len = wm_coeff_parse_int(sizeof(raw->len), &tmp);
1176
1177                 *data = *data + sizeof(raw->hdr) + length;
1178                 break;
1179         }
1180
1181         adsp_dbg(dsp, "\tCoefficient type: %#x\n", blk->mem_type);
1182         adsp_dbg(dsp, "\tCoefficient offset: %#x\n", blk->offset);
1183         adsp_dbg(dsp, "\tCoefficient name: %.*s\n", blk->name_len, blk->name);
1184         adsp_dbg(dsp, "\tCoefficient flags: %#x\n", blk->flags);
1185         adsp_dbg(dsp, "\tALSA control type: %#x\n", blk->ctl_type);
1186         adsp_dbg(dsp, "\tALSA control len: %#x\n", blk->len);
1187 }
1188
1189 static int wm_adsp_parse_coeff(struct wm_adsp *dsp,
1190                                const struct wmfw_region *region)
1191 {
1192         struct wm_adsp_alg_region alg_region = {};
1193         struct wm_coeff_parsed_alg alg_blk;
1194         struct wm_coeff_parsed_coeff coeff_blk;
1195         const u8 *data = region->data;
1196         int i, ret;
1197
1198         wm_coeff_parse_alg(dsp, &data, &alg_blk);
1199         for (i = 0; i < alg_blk.ncoeff; i++) {
1200                 wm_coeff_parse_coeff(dsp, &data, &coeff_blk);
1201
1202                 switch (coeff_blk.ctl_type) {
1203                 case SNDRV_CTL_ELEM_TYPE_BYTES:
1204                         break;
1205                 default:
1206                         adsp_err(dsp, "Unknown control type: %d\n",
1207                                  coeff_blk.ctl_type);
1208                         return -EINVAL;
1209                 }
1210
1211                 alg_region.type = coeff_blk.mem_type;
1212                 alg_region.alg = alg_blk.id;
1213
1214                 ret = wm_adsp_create_control(dsp, &alg_region,
1215                                              coeff_blk.offset,
1216                                              coeff_blk.len,
1217                                              coeff_blk.name,
1218                                              coeff_blk.name_len,
1219                                              coeff_blk.flags);
1220                 if (ret < 0)
1221                         adsp_err(dsp, "Failed to create control: %.*s, %d\n",
1222                                  coeff_blk.name_len, coeff_blk.name, ret);
1223         }
1224
1225         return 0;
1226 }
1227
1228 static int wm_adsp_load(struct wm_adsp *dsp)
1229 {
1230         LIST_HEAD(buf_list);
1231         const struct firmware *firmware;
1232         struct regmap *regmap = dsp->regmap;
1233         unsigned int pos = 0;
1234         const struct wmfw_header *header;
1235         const struct wmfw_adsp1_sizes *adsp1_sizes;
1236         const struct wmfw_adsp2_sizes *adsp2_sizes;
1237         const struct wmfw_footer *footer;
1238         const struct wmfw_region *region;
1239         const struct wm_adsp_region *mem;
1240         const char *region_name;
1241         char *file, *text;
1242         struct wm_adsp_buf *buf;
1243         unsigned int reg;
1244         int regions = 0;
1245         int ret, offset, type, sizes;
1246
1247         file = kzalloc(PAGE_SIZE, GFP_KERNEL);
1248         if (file == NULL)
1249                 return -ENOMEM;
1250
1251         snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.wmfw", dsp->part, dsp->num,
1252                  wm_adsp_fw[dsp->fw].file);
1253         file[PAGE_SIZE - 1] = '\0';
1254
1255         ret = request_firmware(&firmware, file, dsp->dev);
1256         if (ret != 0) {
1257                 adsp_err(dsp, "Failed to request '%s'\n", file);
1258                 goto out;
1259         }
1260         ret = -EINVAL;
1261
1262         pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
1263         if (pos >= firmware->size) {
1264                 adsp_err(dsp, "%s: file too short, %zu bytes\n",
1265                          file, firmware->size);
1266                 goto out_fw;
1267         }
1268
1269         header = (void *)&firmware->data[0];
1270
1271         if (memcmp(&header->magic[0], "WMFW", 4) != 0) {
1272                 adsp_err(dsp, "%s: invalid magic\n", file);
1273                 goto out_fw;
1274         }
1275
1276         switch (header->ver) {
1277         case 0:
1278                 adsp_warn(dsp, "%s: Depreciated file format %d\n",
1279                           file, header->ver);
1280                 break;
1281         case 1:
1282         case 2:
1283                 break;
1284         default:
1285                 adsp_err(dsp, "%s: unknown file format %d\n",
1286                          file, header->ver);
1287                 goto out_fw;
1288         }
1289
1290         adsp_info(dsp, "Firmware version: %d\n", header->ver);
1291         dsp->fw_ver = header->ver;
1292
1293         if (header->core != dsp->type) {
1294                 adsp_err(dsp, "%s: invalid core %d != %d\n",
1295                          file, header->core, dsp->type);
1296                 goto out_fw;
1297         }
1298
1299         switch (dsp->type) {
1300         case WMFW_ADSP1:
1301                 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
1302                 adsp1_sizes = (void *)&(header[1]);
1303                 footer = (void *)&(adsp1_sizes[1]);
1304                 sizes = sizeof(*adsp1_sizes);
1305
1306                 adsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n",
1307                          file, le32_to_cpu(adsp1_sizes->dm),
1308                          le32_to_cpu(adsp1_sizes->pm),
1309                          le32_to_cpu(adsp1_sizes->zm));
1310                 break;
1311
1312         case WMFW_ADSP2:
1313                 pos = sizeof(*header) + sizeof(*adsp2_sizes) + sizeof(*footer);
1314                 adsp2_sizes = (void *)&(header[1]);
1315                 footer = (void *)&(adsp2_sizes[1]);
1316                 sizes = sizeof(*adsp2_sizes);
1317
1318                 adsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n",
1319                          file, le32_to_cpu(adsp2_sizes->xm),
1320                          le32_to_cpu(adsp2_sizes->ym),
1321                          le32_to_cpu(adsp2_sizes->pm),
1322                          le32_to_cpu(adsp2_sizes->zm));
1323                 break;
1324
1325         default:
1326                 WARN(1, "Unknown DSP type");
1327                 goto out_fw;
1328         }
1329
1330         if (le32_to_cpu(header->len) != sizeof(*header) +
1331             sizes + sizeof(*footer)) {
1332                 adsp_err(dsp, "%s: unexpected header length %d\n",
1333                          file, le32_to_cpu(header->len));
1334                 goto out_fw;
1335         }
1336
1337         adsp_dbg(dsp, "%s: timestamp %llu\n", file,
1338                  le64_to_cpu(footer->timestamp));
1339
1340         while (pos < firmware->size &&
1341                pos - firmware->size > sizeof(*region)) {
1342                 region = (void *)&(firmware->data[pos]);
1343                 region_name = "Unknown";
1344                 reg = 0;
1345                 text = NULL;
1346                 offset = le32_to_cpu(region->offset) & 0xffffff;
1347                 type = be32_to_cpu(region->type) & 0xff;
1348                 mem = wm_adsp_find_region(dsp, type);
1349
1350                 switch (type) {
1351                 case WMFW_NAME_TEXT:
1352                         region_name = "Firmware name";
1353                         text = kzalloc(le32_to_cpu(region->len) + 1,
1354                                        GFP_KERNEL);
1355                         break;
1356                 case WMFW_ALGORITHM_DATA:
1357                         region_name = "Algorithm";
1358                         ret = wm_adsp_parse_coeff(dsp, region);
1359                         if (ret != 0)
1360                                 goto out_fw;
1361                         break;
1362                 case WMFW_INFO_TEXT:
1363                         region_name = "Information";
1364                         text = kzalloc(le32_to_cpu(region->len) + 1,
1365                                        GFP_KERNEL);
1366                         break;
1367                 case WMFW_ABSOLUTE:
1368                         region_name = "Absolute";
1369                         reg = offset;
1370                         break;
1371                 case WMFW_ADSP1_PM:
1372                         region_name = "PM";
1373                         reg = wm_adsp_region_to_reg(mem, offset);
1374                         break;
1375                 case WMFW_ADSP1_DM:
1376                         region_name = "DM";
1377                         reg = wm_adsp_region_to_reg(mem, offset);
1378                         break;
1379                 case WMFW_ADSP2_XM:
1380                         region_name = "XM";
1381                         reg = wm_adsp_region_to_reg(mem, offset);
1382                         break;
1383                 case WMFW_ADSP2_YM:
1384                         region_name = "YM";
1385                         reg = wm_adsp_region_to_reg(mem, offset);
1386                         break;
1387                 case WMFW_ADSP1_ZM:
1388                         region_name = "ZM";
1389                         reg = wm_adsp_region_to_reg(mem, offset);
1390                         break;
1391                 default:
1392                         adsp_warn(dsp,
1393                                   "%s.%d: Unknown region type %x at %d(%x)\n",
1394                                   file, regions, type, pos, pos);
1395                         break;
1396                 }
1397
1398                 adsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file,
1399                          regions, le32_to_cpu(region->len), offset,
1400                          region_name);
1401
1402                 if (text) {
1403                         memcpy(text, region->data, le32_to_cpu(region->len));
1404                         adsp_info(dsp, "%s: %s\n", file, text);
1405                         kfree(text);
1406                 }
1407
1408                 if (reg) {
1409                         buf = wm_adsp_buf_alloc(region->data,
1410                                                 le32_to_cpu(region->len),
1411                                                 &buf_list);
1412                         if (!buf) {
1413                                 adsp_err(dsp, "Out of memory\n");
1414                                 ret = -ENOMEM;
1415                                 goto out_fw;
1416                         }
1417
1418                         ret = regmap_raw_write_async(regmap, reg, buf->buf,
1419                                                      le32_to_cpu(region->len));
1420                         if (ret != 0) {
1421                                 adsp_err(dsp,
1422                                         "%s.%d: Failed to write %d bytes at %d in %s: %d\n",
1423                                         file, regions,
1424                                         le32_to_cpu(region->len), offset,
1425                                         region_name, ret);
1426                                 goto out_fw;
1427                         }
1428                 }
1429
1430                 pos += le32_to_cpu(region->len) + sizeof(*region);
1431                 regions++;
1432         }
1433
1434         ret = regmap_async_complete(regmap);
1435         if (ret != 0) {
1436                 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
1437                 goto out_fw;
1438         }
1439
1440         if (pos > firmware->size)
1441                 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
1442                           file, regions, pos - firmware->size);
1443
1444         wm_adsp_debugfs_save_wmfwname(dsp, file);
1445
1446 out_fw:
1447         regmap_async_complete(regmap);
1448         wm_adsp_buf_free(&buf_list);
1449         release_firmware(firmware);
1450 out:
1451         kfree(file);
1452
1453         return ret;
1454 }
1455
1456 static void wm_adsp_ctl_fixup_base(struct wm_adsp *dsp,
1457                                   const struct wm_adsp_alg_region *alg_region)
1458 {
1459         struct wm_coeff_ctl *ctl;
1460
1461         list_for_each_entry(ctl, &dsp->ctl_list, list) {
1462                 if (ctl->fw_name == wm_adsp_fw_text[dsp->fw] &&
1463                     alg_region->alg == ctl->alg_region.alg &&
1464                     alg_region->type == ctl->alg_region.type) {
1465                         ctl->alg_region.base = alg_region->base;
1466                 }
1467         }
1468 }
1469
1470 static void *wm_adsp_read_algs(struct wm_adsp *dsp, size_t n_algs,
1471                                unsigned int pos, unsigned int len)
1472 {
1473         void *alg;
1474         int ret;
1475         __be32 val;
1476
1477         if (n_algs == 0) {
1478                 adsp_err(dsp, "No algorithms\n");
1479                 return ERR_PTR(-EINVAL);
1480         }
1481
1482         if (n_algs > 1024) {
1483                 adsp_err(dsp, "Algorithm count %zx excessive\n", n_algs);
1484                 return ERR_PTR(-EINVAL);
1485         }
1486
1487         /* Read the terminator first to validate the length */
1488         ret = regmap_raw_read(dsp->regmap, pos + len, &val, sizeof(val));
1489         if (ret != 0) {
1490                 adsp_err(dsp, "Failed to read algorithm list end: %d\n",
1491                         ret);
1492                 return ERR_PTR(ret);
1493         }
1494
1495         if (be32_to_cpu(val) != 0xbedead)
1496                 adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbeadead\n",
1497                           pos + len, be32_to_cpu(val));
1498
1499         alg = kzalloc(len * 2, GFP_KERNEL | GFP_DMA);
1500         if (!alg)
1501                 return ERR_PTR(-ENOMEM);
1502
1503         ret = regmap_raw_read(dsp->regmap, pos, alg, len * 2);
1504         if (ret != 0) {
1505                 adsp_err(dsp, "Failed to read algorithm list: %d\n",
1506                         ret);
1507                 kfree(alg);
1508                 return ERR_PTR(ret);
1509         }
1510
1511         return alg;
1512 }
1513
1514 static struct wm_adsp_alg_region *
1515         wm_adsp_find_alg_region(struct wm_adsp *dsp, int type, unsigned int id)
1516 {
1517         struct wm_adsp_alg_region *alg_region;
1518
1519         list_for_each_entry(alg_region, &dsp->alg_regions, list) {
1520                 if (id == alg_region->alg && type == alg_region->type)
1521                         return alg_region;
1522         }
1523
1524         return NULL;
1525 }
1526
1527 static struct wm_adsp_alg_region *wm_adsp_create_region(struct wm_adsp *dsp,
1528                                                         int type, __be32 id,
1529                                                         __be32 base)
1530 {
1531         struct wm_adsp_alg_region *alg_region;
1532
1533         alg_region = kzalloc(sizeof(*alg_region), GFP_KERNEL);
1534         if (!alg_region)
1535                 return ERR_PTR(-ENOMEM);
1536
1537         alg_region->type = type;
1538         alg_region->alg = be32_to_cpu(id);
1539         alg_region->base = be32_to_cpu(base);
1540
1541         list_add_tail(&alg_region->list, &dsp->alg_regions);
1542
1543         if (dsp->fw_ver > 0)
1544                 wm_adsp_ctl_fixup_base(dsp, alg_region);
1545
1546         return alg_region;
1547 }
1548
1549 static int wm_adsp1_setup_algs(struct wm_adsp *dsp)
1550 {
1551         struct wmfw_adsp1_id_hdr adsp1_id;
1552         struct wmfw_adsp1_alg_hdr *adsp1_alg;
1553         struct wm_adsp_alg_region *alg_region;
1554         const struct wm_adsp_region *mem;
1555         unsigned int pos, len;
1556         size_t n_algs;
1557         int i, ret;
1558
1559         mem = wm_adsp_find_region(dsp, WMFW_ADSP1_DM);
1560         if (WARN_ON(!mem))
1561                 return -EINVAL;
1562
1563         ret = regmap_raw_read(dsp->regmap, mem->base, &adsp1_id,
1564                               sizeof(adsp1_id));
1565         if (ret != 0) {
1566                 adsp_err(dsp, "Failed to read algorithm info: %d\n",
1567                          ret);
1568                 return ret;
1569         }
1570
1571         n_algs = be32_to_cpu(adsp1_id.n_algs);
1572         dsp->fw_id = be32_to_cpu(adsp1_id.fw.id);
1573         adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
1574                   dsp->fw_id,
1575                   (be32_to_cpu(adsp1_id.fw.ver) & 0xff0000) >> 16,
1576                   (be32_to_cpu(adsp1_id.fw.ver) & 0xff00) >> 8,
1577                   be32_to_cpu(adsp1_id.fw.ver) & 0xff,
1578                   n_algs);
1579
1580         alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_ZM,
1581                                            adsp1_id.fw.id, adsp1_id.zm);
1582         if (IS_ERR(alg_region))
1583                 return PTR_ERR(alg_region);
1584
1585         alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_DM,
1586                                            adsp1_id.fw.id, adsp1_id.dm);
1587         if (IS_ERR(alg_region))
1588                 return PTR_ERR(alg_region);
1589
1590         pos = sizeof(adsp1_id) / 2;
1591         len = (sizeof(*adsp1_alg) * n_algs) / 2;
1592
1593         adsp1_alg = wm_adsp_read_algs(dsp, n_algs, mem->base + pos, len);
1594         if (IS_ERR(adsp1_alg))
1595                 return PTR_ERR(adsp1_alg);
1596
1597         for (i = 0; i < n_algs; i++) {
1598                 adsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n",
1599                           i, be32_to_cpu(adsp1_alg[i].alg.id),
1600                           (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16,
1601                           (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8,
1602                           be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff,
1603                           be32_to_cpu(adsp1_alg[i].dm),
1604                           be32_to_cpu(adsp1_alg[i].zm));
1605
1606                 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_DM,
1607                                                    adsp1_alg[i].alg.id,
1608                                                    adsp1_alg[i].dm);
1609                 if (IS_ERR(alg_region)) {
1610                         ret = PTR_ERR(alg_region);
1611                         goto out;
1612                 }
1613                 if (dsp->fw_ver == 0) {
1614                         if (i + 1 < n_algs) {
1615                                 len = be32_to_cpu(adsp1_alg[i + 1].dm);
1616                                 len -= be32_to_cpu(adsp1_alg[i].dm);
1617                                 len *= 4;
1618                                 wm_adsp_create_control(dsp, alg_region, 0,
1619                                                        len, NULL, 0, 0);
1620                         } else {
1621                                 adsp_warn(dsp, "Missing length info for region DM with ID %x\n",
1622                                           be32_to_cpu(adsp1_alg[i].alg.id));
1623                         }
1624                 }
1625
1626                 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_ZM,
1627                                                    adsp1_alg[i].alg.id,
1628                                                    adsp1_alg[i].zm);
1629                 if (IS_ERR(alg_region)) {
1630                         ret = PTR_ERR(alg_region);
1631                         goto out;
1632                 }
1633                 if (dsp->fw_ver == 0) {
1634                         if (i + 1 < n_algs) {
1635                                 len = be32_to_cpu(adsp1_alg[i + 1].zm);
1636                                 len -= be32_to_cpu(adsp1_alg[i].zm);
1637                                 len *= 4;
1638                                 wm_adsp_create_control(dsp, alg_region, 0,
1639                                                        len, NULL, 0, 0);
1640                         } else {
1641                                 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1642                                           be32_to_cpu(adsp1_alg[i].alg.id));
1643                         }
1644                 }
1645         }
1646
1647 out:
1648         kfree(adsp1_alg);
1649         return ret;
1650 }
1651
1652 static int wm_adsp2_setup_algs(struct wm_adsp *dsp)
1653 {
1654         struct wmfw_adsp2_id_hdr adsp2_id;
1655         struct wmfw_adsp2_alg_hdr *adsp2_alg;
1656         struct wm_adsp_alg_region *alg_region;
1657         const struct wm_adsp_region *mem;
1658         unsigned int pos, len;
1659         size_t n_algs;
1660         int i, ret;
1661
1662         mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM);
1663         if (WARN_ON(!mem))
1664                 return -EINVAL;
1665
1666         ret = regmap_raw_read(dsp->regmap, mem->base, &adsp2_id,
1667                               sizeof(adsp2_id));
1668         if (ret != 0) {
1669                 adsp_err(dsp, "Failed to read algorithm info: %d\n",
1670                          ret);
1671                 return ret;
1672         }
1673
1674         n_algs = be32_to_cpu(adsp2_id.n_algs);
1675         dsp->fw_id = be32_to_cpu(adsp2_id.fw.id);
1676         dsp->fw_id_version = be32_to_cpu(adsp2_id.fw.ver);
1677         adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
1678                   dsp->fw_id,
1679                   (dsp->fw_id_version & 0xff0000) >> 16,
1680                   (dsp->fw_id_version & 0xff00) >> 8,
1681                   dsp->fw_id_version & 0xff,
1682                   n_algs);
1683
1684         alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_XM,
1685                                            adsp2_id.fw.id, adsp2_id.xm);
1686         if (IS_ERR(alg_region))
1687                 return PTR_ERR(alg_region);
1688
1689         alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_YM,
1690                                            adsp2_id.fw.id, adsp2_id.ym);
1691         if (IS_ERR(alg_region))
1692                 return PTR_ERR(alg_region);
1693
1694         alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_ZM,
1695                                            adsp2_id.fw.id, adsp2_id.zm);
1696         if (IS_ERR(alg_region))
1697                 return PTR_ERR(alg_region);
1698
1699         pos = sizeof(adsp2_id) / 2;
1700         len = (sizeof(*adsp2_alg) * n_algs) / 2;
1701
1702         adsp2_alg = wm_adsp_read_algs(dsp, n_algs, mem->base + pos, len);
1703         if (IS_ERR(adsp2_alg))
1704                 return PTR_ERR(adsp2_alg);
1705
1706         for (i = 0; i < n_algs; i++) {
1707                 adsp_info(dsp,
1708                           "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n",
1709                           i, be32_to_cpu(adsp2_alg[i].alg.id),
1710                           (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16,
1711                           (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8,
1712                           be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff,
1713                           be32_to_cpu(adsp2_alg[i].xm),
1714                           be32_to_cpu(adsp2_alg[i].ym),
1715                           be32_to_cpu(adsp2_alg[i].zm));
1716
1717                 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_XM,
1718                                                    adsp2_alg[i].alg.id,
1719                                                    adsp2_alg[i].xm);
1720                 if (IS_ERR(alg_region)) {
1721                         ret = PTR_ERR(alg_region);
1722                         goto out;
1723                 }
1724                 if (dsp->fw_ver == 0) {
1725                         if (i + 1 < n_algs) {
1726                                 len = be32_to_cpu(adsp2_alg[i + 1].xm);
1727                                 len -= be32_to_cpu(adsp2_alg[i].xm);
1728                                 len *= 4;
1729                                 wm_adsp_create_control(dsp, alg_region, 0,
1730                                                        len, NULL, 0, 0);
1731                         } else {
1732                                 adsp_warn(dsp, "Missing length info for region XM with ID %x\n",
1733                                           be32_to_cpu(adsp2_alg[i].alg.id));
1734                         }
1735                 }
1736
1737                 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_YM,
1738                                                    adsp2_alg[i].alg.id,
1739                                                    adsp2_alg[i].ym);
1740                 if (IS_ERR(alg_region)) {
1741                         ret = PTR_ERR(alg_region);
1742                         goto out;
1743                 }
1744                 if (dsp->fw_ver == 0) {
1745                         if (i + 1 < n_algs) {
1746                                 len = be32_to_cpu(adsp2_alg[i + 1].ym);
1747                                 len -= be32_to_cpu(adsp2_alg[i].ym);
1748                                 len *= 4;
1749                                 wm_adsp_create_control(dsp, alg_region, 0,
1750                                                        len, NULL, 0, 0);
1751                         } else {
1752                                 adsp_warn(dsp, "Missing length info for region YM with ID %x\n",
1753                                           be32_to_cpu(adsp2_alg[i].alg.id));
1754                         }
1755                 }
1756
1757                 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_ZM,
1758                                                    adsp2_alg[i].alg.id,
1759                                                    adsp2_alg[i].zm);
1760                 if (IS_ERR(alg_region)) {
1761                         ret = PTR_ERR(alg_region);
1762                         goto out;
1763                 }
1764                 if (dsp->fw_ver == 0) {
1765                         if (i + 1 < n_algs) {
1766                                 len = be32_to_cpu(adsp2_alg[i + 1].zm);
1767                                 len -= be32_to_cpu(adsp2_alg[i].zm);
1768                                 len *= 4;
1769                                 wm_adsp_create_control(dsp, alg_region, 0,
1770                                                        len, NULL, 0, 0);
1771                         } else {
1772                                 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
1773                                           be32_to_cpu(adsp2_alg[i].alg.id));
1774                         }
1775                 }
1776         }
1777
1778 out:
1779         kfree(adsp2_alg);
1780         return ret;
1781 }
1782
1783 static int wm_adsp_load_coeff(struct wm_adsp *dsp)
1784 {
1785         LIST_HEAD(buf_list);
1786         struct regmap *regmap = dsp->regmap;
1787         struct wmfw_coeff_hdr *hdr;
1788         struct wmfw_coeff_item *blk;
1789         const struct firmware *firmware;
1790         const struct wm_adsp_region *mem;
1791         struct wm_adsp_alg_region *alg_region;
1792         const char *region_name;
1793         int ret, pos, blocks, type, offset, reg;
1794         char *file;
1795         struct wm_adsp_buf *buf;
1796
1797         file = kzalloc(PAGE_SIZE, GFP_KERNEL);
1798         if (file == NULL)
1799                 return -ENOMEM;
1800
1801         snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.bin", dsp->part, dsp->num,
1802                  wm_adsp_fw[dsp->fw].file);
1803         file[PAGE_SIZE - 1] = '\0';
1804
1805         ret = request_firmware(&firmware, file, dsp->dev);
1806         if (ret != 0) {
1807                 adsp_warn(dsp, "Failed to request '%s'\n", file);
1808                 ret = 0;
1809                 goto out;
1810         }
1811         ret = -EINVAL;
1812
1813         if (sizeof(*hdr) >= firmware->size) {
1814                 adsp_err(dsp, "%s: file too short, %zu bytes\n",
1815                         file, firmware->size);
1816                 goto out_fw;
1817         }
1818
1819         hdr = (void *)&firmware->data[0];
1820         if (memcmp(hdr->magic, "WMDR", 4) != 0) {
1821                 adsp_err(dsp, "%s: invalid magic\n", file);
1822                 goto out_fw;
1823         }
1824
1825         switch (be32_to_cpu(hdr->rev) & 0xff) {
1826         case 1:
1827                 break;
1828         default:
1829                 adsp_err(dsp, "%s: Unsupported coefficient file format %d\n",
1830                          file, be32_to_cpu(hdr->rev) & 0xff);
1831                 ret = -EINVAL;
1832                 goto out_fw;
1833         }
1834
1835         adsp_dbg(dsp, "%s: v%d.%d.%d\n", file,
1836                 (le32_to_cpu(hdr->ver) >> 16) & 0xff,
1837                 (le32_to_cpu(hdr->ver) >>  8) & 0xff,
1838                 le32_to_cpu(hdr->ver) & 0xff);
1839
1840         pos = le32_to_cpu(hdr->len);
1841
1842         blocks = 0;
1843         while (pos < firmware->size &&
1844                pos - firmware->size > sizeof(*blk)) {
1845                 blk = (void *)(&firmware->data[pos]);
1846
1847                 type = le16_to_cpu(blk->type);
1848                 offset = le16_to_cpu(blk->offset);
1849
1850                 adsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n",
1851                          file, blocks, le32_to_cpu(blk->id),
1852                          (le32_to_cpu(blk->ver) >> 16) & 0xff,
1853                          (le32_to_cpu(blk->ver) >>  8) & 0xff,
1854                          le32_to_cpu(blk->ver) & 0xff);
1855                 adsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n",
1856                          file, blocks, le32_to_cpu(blk->len), offset, type);
1857
1858                 reg = 0;
1859                 region_name = "Unknown";
1860                 switch (type) {
1861                 case (WMFW_NAME_TEXT << 8):
1862                 case (WMFW_INFO_TEXT << 8):
1863                         break;
1864                 case (WMFW_ABSOLUTE << 8):
1865                         /*
1866                          * Old files may use this for global
1867                          * coefficients.
1868                          */
1869                         if (le32_to_cpu(blk->id) == dsp->fw_id &&
1870                             offset == 0) {
1871                                 region_name = "global coefficients";
1872                                 mem = wm_adsp_find_region(dsp, type);
1873                                 if (!mem) {
1874                                         adsp_err(dsp, "No ZM\n");
1875                                         break;
1876                                 }
1877                                 reg = wm_adsp_region_to_reg(mem, 0);
1878
1879                         } else {
1880                                 region_name = "register";
1881                                 reg = offset;
1882                         }
1883                         break;
1884
1885                 case WMFW_ADSP1_DM:
1886                 case WMFW_ADSP1_ZM:
1887                 case WMFW_ADSP2_XM:
1888                 case WMFW_ADSP2_YM:
1889                         adsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n",
1890                                  file, blocks, le32_to_cpu(blk->len),
1891                                  type, le32_to_cpu(blk->id));
1892
1893                         mem = wm_adsp_find_region(dsp, type);
1894                         if (!mem) {
1895                                 adsp_err(dsp, "No base for region %x\n", type);
1896                                 break;
1897                         }
1898
1899                         alg_region = wm_adsp_find_alg_region(dsp, type,
1900                                                 le32_to_cpu(blk->id));
1901                         if (alg_region) {
1902                                 reg = alg_region->base;
1903                                 reg = wm_adsp_region_to_reg(mem, reg);
1904                                 reg += offset;
1905                         } else {
1906                                 adsp_err(dsp, "No %x for algorithm %x\n",
1907                                          type, le32_to_cpu(blk->id));
1908                         }
1909                         break;
1910
1911                 default:
1912                         adsp_err(dsp, "%s.%d: Unknown region type %x at %d\n",
1913                                  file, blocks, type, pos);
1914                         break;
1915                 }
1916
1917                 if (reg) {
1918                         buf = wm_adsp_buf_alloc(blk->data,
1919                                                 le32_to_cpu(blk->len),
1920                                                 &buf_list);
1921                         if (!buf) {
1922                                 adsp_err(dsp, "Out of memory\n");
1923                                 ret = -ENOMEM;
1924                                 goto out_fw;
1925                         }
1926
1927                         adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
1928                                  file, blocks, le32_to_cpu(blk->len),
1929                                  reg);
1930                         ret = regmap_raw_write_async(regmap, reg, buf->buf,
1931                                                      le32_to_cpu(blk->len));
1932                         if (ret != 0) {
1933                                 adsp_err(dsp,
1934                                         "%s.%d: Failed to write to %x in %s: %d\n",
1935                                         file, blocks, reg, region_name, ret);
1936                         }
1937                 }
1938
1939                 pos += (le32_to_cpu(blk->len) + sizeof(*blk) + 3) & ~0x03;
1940                 blocks++;
1941         }
1942
1943         ret = regmap_async_complete(regmap);
1944         if (ret != 0)
1945                 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
1946
1947         if (pos > firmware->size)
1948                 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
1949                           file, blocks, pos - firmware->size);
1950
1951         wm_adsp_debugfs_save_binname(dsp, file);
1952
1953 out_fw:
1954         regmap_async_complete(regmap);
1955         release_firmware(firmware);
1956         wm_adsp_buf_free(&buf_list);
1957 out:
1958         kfree(file);
1959         return ret;
1960 }
1961
1962 int wm_adsp1_init(struct wm_adsp *dsp)
1963 {
1964         INIT_LIST_HEAD(&dsp->alg_regions);
1965
1966         mutex_init(&dsp->pwr_lock);
1967
1968         return 0;
1969 }
1970 EXPORT_SYMBOL_GPL(wm_adsp1_init);
1971
1972 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
1973                    struct snd_kcontrol *kcontrol,
1974                    int event)
1975 {
1976         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
1977         struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
1978         struct wm_adsp *dsp = &dsps[w->shift];
1979         struct wm_adsp_alg_region *alg_region;
1980         struct wm_coeff_ctl *ctl;
1981         int ret;
1982         unsigned int val;
1983
1984         dsp->card = codec->component.card;
1985
1986         mutex_lock(&dsp->pwr_lock);
1987
1988         switch (event) {
1989         case SND_SOC_DAPM_POST_PMU:
1990                 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
1991                                    ADSP1_SYS_ENA, ADSP1_SYS_ENA);
1992
1993                 /*
1994                  * For simplicity set the DSP clock rate to be the
1995                  * SYSCLK rate rather than making it configurable.
1996                  */
1997                 if (dsp->sysclk_reg) {
1998                         ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val);
1999                         if (ret != 0) {
2000                                 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
2001                                 ret);
2002                                 goto err_mutex;
2003                         }
2004
2005                         val = (val & dsp->sysclk_mask)
2006                                 >> dsp->sysclk_shift;
2007
2008                         ret = regmap_update_bits(dsp->regmap,
2009                                                  dsp->base + ADSP1_CONTROL_31,
2010                                                  ADSP1_CLK_SEL_MASK, val);
2011                         if (ret != 0) {
2012                                 adsp_err(dsp, "Failed to set clock rate: %d\n",
2013                                          ret);
2014                                 goto err_mutex;
2015                         }
2016                 }
2017
2018                 ret = wm_adsp_load(dsp);
2019                 if (ret != 0)
2020                         goto err_ena;
2021
2022                 ret = wm_adsp1_setup_algs(dsp);
2023                 if (ret != 0)
2024                         goto err_ena;
2025
2026                 ret = wm_adsp_load_coeff(dsp);
2027                 if (ret != 0)
2028                         goto err_ena;
2029
2030                 /* Initialize caches for enabled and unset controls */
2031                 ret = wm_coeff_init_control_caches(dsp);
2032                 if (ret != 0)
2033                         goto err_ena;
2034
2035                 /* Sync set controls */
2036                 ret = wm_coeff_sync_controls(dsp);
2037                 if (ret != 0)
2038                         goto err_ena;
2039
2040                 /* Start the core running */
2041                 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2042                                    ADSP1_CORE_ENA | ADSP1_START,
2043                                    ADSP1_CORE_ENA | ADSP1_START);
2044                 break;
2045
2046         case SND_SOC_DAPM_PRE_PMD:
2047                 /* Halt the core */
2048                 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2049                                    ADSP1_CORE_ENA | ADSP1_START, 0);
2050
2051                 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19,
2052                                    ADSP1_WDMA_BUFFER_LENGTH_MASK, 0);
2053
2054                 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2055                                    ADSP1_SYS_ENA, 0);
2056
2057                 list_for_each_entry(ctl, &dsp->ctl_list, list)
2058                         ctl->enabled = 0;
2059
2060                 while (!list_empty(&dsp->alg_regions)) {
2061                         alg_region = list_first_entry(&dsp->alg_regions,
2062                                                       struct wm_adsp_alg_region,
2063                                                       list);
2064                         list_del(&alg_region->list);
2065                         kfree(alg_region);
2066                 }
2067                 break;
2068
2069         default:
2070                 break;
2071         }
2072
2073         mutex_unlock(&dsp->pwr_lock);
2074
2075         return 0;
2076
2077 err_ena:
2078         regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2079                            ADSP1_SYS_ENA, 0);
2080 err_mutex:
2081         mutex_unlock(&dsp->pwr_lock);
2082
2083         return ret;
2084 }
2085 EXPORT_SYMBOL_GPL(wm_adsp1_event);
2086
2087 static int wm_adsp2_ena(struct wm_adsp *dsp)
2088 {
2089         unsigned int val;
2090         int ret, count;
2091
2092         ret = regmap_update_bits_async(dsp->regmap, dsp->base + ADSP2_CONTROL,
2093                                        ADSP2_SYS_ENA, ADSP2_SYS_ENA);
2094         if (ret != 0)
2095                 return ret;
2096
2097         /* Wait for the RAM to start, should be near instantaneous */
2098         for (count = 0; count < 10; ++count) {
2099                 ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1,
2100                                   &val);
2101                 if (ret != 0)
2102                         return ret;
2103
2104                 if (val & ADSP2_RAM_RDY)
2105                         break;
2106
2107                 msleep(1);
2108         }
2109
2110         if (!(val & ADSP2_RAM_RDY)) {
2111                 adsp_err(dsp, "Failed to start DSP RAM\n");
2112                 return -EBUSY;
2113         }
2114
2115         adsp_dbg(dsp, "RAM ready after %d polls\n", count);
2116
2117         return 0;
2118 }
2119
2120 static void wm_adsp2_boot_work(struct work_struct *work)
2121 {
2122         struct wm_adsp *dsp = container_of(work,
2123                                            struct wm_adsp,
2124                                            boot_work);
2125         int ret;
2126         unsigned int val;
2127
2128         mutex_lock(&dsp->pwr_lock);
2129
2130         /*
2131          * For simplicity set the DSP clock rate to be the
2132          * SYSCLK rate rather than making it configurable.
2133          */
2134         ret = regmap_read(dsp->regmap, ARIZONA_SYSTEM_CLOCK_1, &val);
2135         if (ret != 0) {
2136                 adsp_err(dsp, "Failed to read SYSCLK state: %d\n", ret);
2137                 goto err_mutex;
2138         }
2139         val = (val & ARIZONA_SYSCLK_FREQ_MASK)
2140                 >> ARIZONA_SYSCLK_FREQ_SHIFT;
2141
2142         ret = regmap_update_bits_async(dsp->regmap,
2143                                        dsp->base + ADSP2_CLOCKING,
2144                                        ADSP2_CLK_SEL_MASK, val);
2145         if (ret != 0) {
2146                 adsp_err(dsp, "Failed to set clock rate: %d\n", ret);
2147                 goto err_mutex;
2148         }
2149
2150         ret = wm_adsp2_ena(dsp);
2151         if (ret != 0)
2152                 goto err_mutex;
2153
2154         ret = wm_adsp_load(dsp);
2155         if (ret != 0)
2156                 goto err_ena;
2157
2158         ret = wm_adsp2_setup_algs(dsp);
2159         if (ret != 0)
2160                 goto err_ena;
2161
2162         ret = wm_adsp_load_coeff(dsp);
2163         if (ret != 0)
2164                 goto err_ena;
2165
2166         /* Initialize caches for enabled and unset controls */
2167         ret = wm_coeff_init_control_caches(dsp);
2168         if (ret != 0)
2169                 goto err_ena;
2170
2171         /* Sync set controls */
2172         ret = wm_coeff_sync_controls(dsp);
2173         if (ret != 0)
2174                 goto err_ena;
2175
2176         dsp->running = true;
2177
2178         mutex_unlock(&dsp->pwr_lock);
2179
2180         return;
2181
2182 err_ena:
2183         regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2184                            ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
2185 err_mutex:
2186         mutex_unlock(&dsp->pwr_lock);
2187 }
2188
2189 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w,
2190                    struct snd_kcontrol *kcontrol, int event)
2191 {
2192         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
2193         struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
2194         struct wm_adsp *dsp = &dsps[w->shift];
2195
2196         dsp->card = codec->component.card;
2197
2198         switch (event) {
2199         case SND_SOC_DAPM_PRE_PMU:
2200                 queue_work(system_unbound_wq, &dsp->boot_work);
2201                 break;
2202         default:
2203                 break;
2204         }
2205
2206         return 0;
2207 }
2208 EXPORT_SYMBOL_GPL(wm_adsp2_early_event);
2209
2210 int wm_adsp2_event(struct snd_soc_dapm_widget *w,
2211                    struct snd_kcontrol *kcontrol, int event)
2212 {
2213         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
2214         struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec);
2215         struct wm_adsp *dsp = &dsps[w->shift];
2216         struct wm_adsp_alg_region *alg_region;
2217         struct wm_coeff_ctl *ctl;
2218         int ret;
2219
2220         switch (event) {
2221         case SND_SOC_DAPM_POST_PMU:
2222                 flush_work(&dsp->boot_work);
2223
2224                 if (!dsp->running)
2225                         return -EIO;
2226
2227                 ret = regmap_update_bits(dsp->regmap,
2228                                          dsp->base + ADSP2_CONTROL,
2229                                          ADSP2_CORE_ENA | ADSP2_START,
2230                                          ADSP2_CORE_ENA | ADSP2_START);
2231                 if (ret != 0)
2232                         goto err;
2233
2234                 if (wm_adsp_fw[dsp->fw].num_caps != 0)
2235                         ret = wm_adsp_buffer_init(dsp);
2236
2237                 break;
2238
2239         case SND_SOC_DAPM_PRE_PMD:
2240                 /* Log firmware state, it can be useful for analysis */
2241                 wm_adsp2_show_fw_status(dsp);
2242
2243                 mutex_lock(&dsp->pwr_lock);
2244
2245                 wm_adsp_debugfs_clear(dsp);
2246
2247                 dsp->fw_id = 0;
2248                 dsp->fw_id_version = 0;
2249                 dsp->running = false;
2250
2251                 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2252                                    ADSP2_SYS_ENA | ADSP2_CORE_ENA |
2253                                    ADSP2_START, 0);
2254
2255                 /* Make sure DMAs are quiesced */
2256                 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
2257                 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
2258                 regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
2259
2260                 list_for_each_entry(ctl, &dsp->ctl_list, list)
2261                         ctl->enabled = 0;
2262
2263                 while (!list_empty(&dsp->alg_regions)) {
2264                         alg_region = list_first_entry(&dsp->alg_regions,
2265                                                       struct wm_adsp_alg_region,
2266                                                       list);
2267                         list_del(&alg_region->list);
2268                         kfree(alg_region);
2269                 }
2270
2271                 if (wm_adsp_fw[dsp->fw].num_caps != 0)
2272                         wm_adsp_buffer_free(dsp);
2273
2274                 mutex_unlock(&dsp->pwr_lock);
2275
2276                 adsp_dbg(dsp, "Shutdown complete\n");
2277                 break;
2278
2279         default:
2280                 break;
2281         }
2282
2283         return 0;
2284 err:
2285         regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2286                            ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0);
2287         return ret;
2288 }
2289 EXPORT_SYMBOL_GPL(wm_adsp2_event);
2290
2291 int wm_adsp2_codec_probe(struct wm_adsp *dsp, struct snd_soc_codec *codec)
2292 {
2293         wm_adsp2_init_debugfs(dsp, codec);
2294
2295         return snd_soc_add_codec_controls(codec,
2296                                           &wm_adsp_fw_controls[dsp->num - 1],
2297                                           1);
2298 }
2299 EXPORT_SYMBOL_GPL(wm_adsp2_codec_probe);
2300
2301 int wm_adsp2_codec_remove(struct wm_adsp *dsp, struct snd_soc_codec *codec)
2302 {
2303         wm_adsp2_cleanup_debugfs(dsp);
2304
2305         return 0;
2306 }
2307 EXPORT_SYMBOL_GPL(wm_adsp2_codec_remove);
2308
2309 int wm_adsp2_init(struct wm_adsp *dsp)
2310 {
2311         int ret;
2312
2313         /*
2314          * Disable the DSP memory by default when in reset for a small
2315          * power saving.
2316          */
2317         ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2318                                  ADSP2_MEM_ENA, 0);
2319         if (ret != 0) {
2320                 adsp_err(dsp, "Failed to clear memory retention: %d\n", ret);
2321                 return ret;
2322         }
2323
2324         INIT_LIST_HEAD(&dsp->alg_regions);
2325         INIT_LIST_HEAD(&dsp->ctl_list);
2326         INIT_WORK(&dsp->boot_work, wm_adsp2_boot_work);
2327
2328         mutex_init(&dsp->pwr_lock);
2329
2330         return 0;
2331 }
2332 EXPORT_SYMBOL_GPL(wm_adsp2_init);
2333
2334 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream)
2335 {
2336         struct wm_adsp_compr *compr;
2337         int ret = 0;
2338
2339         mutex_lock(&dsp->pwr_lock);
2340
2341         if (wm_adsp_fw[dsp->fw].num_caps == 0) {
2342                 adsp_err(dsp, "Firmware does not support compressed API\n");
2343                 ret = -ENXIO;
2344                 goto out;
2345         }
2346
2347         if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) {
2348                 adsp_err(dsp, "Firmware does not support stream direction\n");
2349                 ret = -EINVAL;
2350                 goto out;
2351         }
2352
2353         if (dsp->compr) {
2354                 /* It is expect this limitation will be removed in future */
2355                 adsp_err(dsp, "Only a single stream supported per DSP\n");
2356                 ret = -EBUSY;
2357                 goto out;
2358         }
2359
2360         compr = kzalloc(sizeof(*compr), GFP_KERNEL);
2361         if (!compr) {
2362                 ret = -ENOMEM;
2363                 goto out;
2364         }
2365
2366         compr->dsp = dsp;
2367         compr->stream = stream;
2368
2369         dsp->compr = compr;
2370
2371         stream->runtime->private_data = compr;
2372
2373 out:
2374         mutex_unlock(&dsp->pwr_lock);
2375
2376         return ret;
2377 }
2378 EXPORT_SYMBOL_GPL(wm_adsp_compr_open);
2379
2380 int wm_adsp_compr_free(struct snd_compr_stream *stream)
2381 {
2382         struct wm_adsp_compr *compr = stream->runtime->private_data;
2383         struct wm_adsp *dsp = compr->dsp;
2384
2385         mutex_lock(&dsp->pwr_lock);
2386
2387         dsp->compr = NULL;
2388
2389         kfree(compr->raw_buf);
2390         kfree(compr);
2391
2392         mutex_unlock(&dsp->pwr_lock);
2393
2394         return 0;
2395 }
2396 EXPORT_SYMBOL_GPL(wm_adsp_compr_free);
2397
2398 static int wm_adsp_compr_check_params(struct snd_compr_stream *stream,
2399                                       struct snd_compr_params *params)
2400 {
2401         struct wm_adsp_compr *compr = stream->runtime->private_data;
2402         struct wm_adsp *dsp = compr->dsp;
2403         const struct wm_adsp_fw_caps *caps;
2404         const struct snd_codec_desc *desc;
2405         int i, j;
2406
2407         if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE ||
2408             params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE ||
2409             params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS ||
2410             params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS ||
2411             params->buffer.fragment_size % WM_ADSP_DATA_WORD_SIZE) {
2412                 adsp_err(dsp, "Invalid buffer fragsize=%d fragments=%d\n",
2413                          params->buffer.fragment_size,
2414                          params->buffer.fragments);
2415
2416                 return -EINVAL;
2417         }
2418
2419         for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) {
2420                 caps = &wm_adsp_fw[dsp->fw].caps[i];
2421                 desc = &caps->desc;
2422
2423                 if (caps->id != params->codec.id)
2424                         continue;
2425
2426                 if (stream->direction == SND_COMPRESS_PLAYBACK) {
2427                         if (desc->max_ch < params->codec.ch_out)
2428                                 continue;
2429                 } else {
2430                         if (desc->max_ch < params->codec.ch_in)
2431                                 continue;
2432                 }
2433
2434                 if (!(desc->formats & (1 << params->codec.format)))
2435                         continue;
2436
2437                 for (j = 0; j < desc->num_sample_rates; ++j)
2438                         if (desc->sample_rates[j] == params->codec.sample_rate)
2439                                 return 0;
2440         }
2441
2442         adsp_err(dsp, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n",
2443                  params->codec.id, params->codec.ch_in, params->codec.ch_out,
2444                  params->codec.sample_rate, params->codec.format);
2445         return -EINVAL;
2446 }
2447
2448 static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr)
2449 {
2450         return compr->size.fragment_size / WM_ADSP_DATA_WORD_SIZE;
2451 }
2452
2453 int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
2454                              struct snd_compr_params *params)
2455 {
2456         struct wm_adsp_compr *compr = stream->runtime->private_data;
2457         unsigned int size;
2458         int ret;
2459
2460         ret = wm_adsp_compr_check_params(stream, params);
2461         if (ret)
2462                 return ret;
2463
2464         compr->size = params->buffer;
2465
2466         adsp_dbg(compr->dsp, "fragment_size=%d fragments=%d\n",
2467                  compr->size.fragment_size, compr->size.fragments);
2468
2469         size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf);
2470         compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL);
2471         if (!compr->raw_buf)
2472                 return -ENOMEM;
2473
2474         return 0;
2475 }
2476 EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params);
2477
2478 int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
2479                            struct snd_compr_caps *caps)
2480 {
2481         struct wm_adsp_compr *compr = stream->runtime->private_data;
2482         int fw = compr->dsp->fw;
2483         int i;
2484
2485         if (wm_adsp_fw[fw].caps) {
2486                 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++)
2487                         caps->codecs[i] = wm_adsp_fw[fw].caps[i].id;
2488
2489                 caps->num_codecs = i;
2490                 caps->direction = wm_adsp_fw[fw].compr_direction;
2491
2492                 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE;
2493                 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE;
2494                 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS;
2495                 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS;
2496         }
2497
2498         return 0;
2499 }
2500 EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps);
2501
2502 static int wm_adsp_read_data_block(struct wm_adsp *dsp, int mem_type,
2503                                    unsigned int mem_addr,
2504                                    unsigned int num_words, u32 *data)
2505 {
2506         struct wm_adsp_region const *mem = wm_adsp_find_region(dsp, mem_type);
2507         unsigned int i, reg;
2508         int ret;
2509
2510         if (!mem)
2511                 return -EINVAL;
2512
2513         reg = wm_adsp_region_to_reg(mem, mem_addr);
2514
2515         ret = regmap_raw_read(dsp->regmap, reg, data,
2516                               sizeof(*data) * num_words);
2517         if (ret < 0)
2518                 return ret;
2519
2520         for (i = 0; i < num_words; ++i)
2521                 data[i] = be32_to_cpu(data[i]) & 0x00ffffffu;
2522
2523         return 0;
2524 }
2525
2526 static inline int wm_adsp_read_data_word(struct wm_adsp *dsp, int mem_type,
2527                                          unsigned int mem_addr, u32 *data)
2528 {
2529         return wm_adsp_read_data_block(dsp, mem_type, mem_addr, 1, data);
2530 }
2531
2532 static int wm_adsp_write_data_word(struct wm_adsp *dsp, int mem_type,
2533                                    unsigned int mem_addr, u32 data)
2534 {
2535         struct wm_adsp_region const *mem = wm_adsp_find_region(dsp, mem_type);
2536         unsigned int reg;
2537
2538         if (!mem)
2539                 return -EINVAL;
2540
2541         reg = wm_adsp_region_to_reg(mem, mem_addr);
2542
2543         data = cpu_to_be32(data & 0x00ffffffu);
2544
2545         return regmap_raw_write(dsp->regmap, reg, &data, sizeof(data));
2546 }
2547
2548 static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf,
2549                                       unsigned int field_offset, u32 *data)
2550 {
2551         return wm_adsp_read_data_word(buf->dsp, WMFW_ADSP2_XM,
2552                                       buf->host_buf_ptr + field_offset, data);
2553 }
2554
2555 static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf,
2556                                        unsigned int field_offset, u32 data)
2557 {
2558         return wm_adsp_write_data_word(buf->dsp, WMFW_ADSP2_XM,
2559                                        buf->host_buf_ptr + field_offset, data);
2560 }
2561
2562 static int wm_adsp_buffer_locate(struct wm_adsp_compr_buf *buf)
2563 {
2564         struct wm_adsp_alg_region *alg_region;
2565         struct wm_adsp *dsp = buf->dsp;
2566         u32 xmalg, addr, magic;
2567         int i, ret;
2568
2569         alg_region = wm_adsp_find_alg_region(dsp, WMFW_ADSP2_XM, dsp->fw_id);
2570         xmalg = sizeof(struct wm_adsp_system_config_xm_hdr) / sizeof(__be32);
2571
2572         addr = alg_region->base + xmalg + ALG_XM_FIELD(magic);
2573         ret = wm_adsp_read_data_word(dsp, WMFW_ADSP2_XM, addr, &magic);
2574         if (ret < 0)
2575                 return ret;
2576
2577         if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC)
2578                 return -EINVAL;
2579
2580         addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr);
2581         for (i = 0; i < 5; ++i) {
2582                 ret = wm_adsp_read_data_word(dsp, WMFW_ADSP2_XM, addr,
2583                                              &buf->host_buf_ptr);
2584                 if (ret < 0)
2585                         return ret;
2586
2587                 if (buf->host_buf_ptr)
2588                         break;
2589
2590                 usleep_range(1000, 2000);
2591         }
2592
2593         if (!buf->host_buf_ptr)
2594                 return -EIO;
2595
2596         adsp_dbg(dsp, "host_buf_ptr=%x\n", buf->host_buf_ptr);
2597
2598         return 0;
2599 }
2600
2601 static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf)
2602 {
2603         const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps;
2604         struct wm_adsp_buffer_region *region;
2605         u32 offset = 0;
2606         int i, ret;
2607
2608         for (i = 0; i < caps->num_regions; ++i) {
2609                 region = &buf->regions[i];
2610
2611                 region->offset = offset;
2612                 region->mem_type = caps->region_defs[i].mem_type;
2613
2614                 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset,
2615                                           &region->base_addr);
2616                 if (ret < 0)
2617                         return ret;
2618
2619                 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset,
2620                                           &offset);
2621                 if (ret < 0)
2622                         return ret;
2623
2624                 region->cumulative_size = offset;
2625
2626                 adsp_dbg(buf->dsp,
2627                          "region=%d type=%d base=%04x off=%04x size=%04x\n",
2628                          i, region->mem_type, region->base_addr,
2629                          region->offset, region->cumulative_size);
2630         }
2631
2632         return 0;
2633 }
2634
2635 static int wm_adsp_buffer_init(struct wm_adsp *dsp)
2636 {
2637         struct wm_adsp_compr_buf *buf;
2638         int ret;
2639
2640         buf = kzalloc(sizeof(*buf), GFP_KERNEL);
2641         if (!buf)
2642                 return -ENOMEM;
2643
2644         buf->dsp = dsp;
2645         buf->read_index = -1;
2646         buf->irq_count = 0xFFFFFFFF;
2647
2648         ret = wm_adsp_buffer_locate(buf);
2649         if (ret < 0) {
2650                 adsp_err(dsp, "Failed to acquire host buffer: %d\n", ret);
2651                 goto err_buffer;
2652         }
2653
2654         buf->regions = kcalloc(wm_adsp_fw[dsp->fw].caps->num_regions,
2655                                sizeof(*buf->regions), GFP_KERNEL);
2656         if (!buf->regions) {
2657                 ret = -ENOMEM;
2658                 goto err_buffer;
2659         }
2660
2661         ret = wm_adsp_buffer_populate(buf);
2662         if (ret < 0) {
2663                 adsp_err(dsp, "Failed to populate host buffer: %d\n", ret);
2664                 goto err_regions;
2665         }
2666
2667         dsp->buffer = buf;
2668
2669         return 0;
2670
2671 err_regions:
2672         kfree(buf->regions);
2673 err_buffer:
2674         kfree(buf);
2675         return ret;
2676 }
2677
2678 static int wm_adsp_buffer_free(struct wm_adsp *dsp)
2679 {
2680         if (dsp->buffer) {
2681                 kfree(dsp->buffer->regions);
2682                 kfree(dsp->buffer);
2683
2684                 dsp->buffer = NULL;
2685         }
2686
2687         return 0;
2688 }
2689
2690 static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr)
2691 {
2692         return compr->buf != NULL;
2693 }
2694
2695 static int wm_adsp_compr_attach(struct wm_adsp_compr *compr)
2696 {
2697         /*
2698          * Note this will be more complex once each DSP can support multiple
2699          * streams
2700          */
2701         if (!compr->dsp->buffer)
2702                 return -EINVAL;
2703
2704         compr->buf = compr->dsp->buffer;
2705
2706         return 0;
2707 }
2708
2709 int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd)
2710 {
2711         struct wm_adsp_compr *compr = stream->runtime->private_data;
2712         struct wm_adsp *dsp = compr->dsp;
2713         int ret = 0;
2714
2715         adsp_dbg(dsp, "Trigger: %d\n", cmd);
2716
2717         mutex_lock(&dsp->pwr_lock);
2718
2719         switch (cmd) {
2720         case SNDRV_PCM_TRIGGER_START:
2721                 if (wm_adsp_compr_attached(compr))
2722                         break;
2723
2724                 ret = wm_adsp_compr_attach(compr);
2725                 if (ret < 0) {
2726                         adsp_err(dsp, "Failed to link buffer and stream: %d\n",
2727                                  ret);
2728                         break;
2729                 }
2730
2731                 /* Trigger the IRQ at one fragment of data */
2732                 ret = wm_adsp_buffer_write(compr->buf,
2733                                            HOST_BUFFER_FIELD(high_water_mark),
2734                                            wm_adsp_compr_frag_words(compr));
2735                 if (ret < 0) {
2736                         adsp_err(dsp, "Failed to set high water mark: %d\n",
2737                                  ret);
2738                         break;
2739                 }
2740                 break;
2741         case SNDRV_PCM_TRIGGER_STOP:
2742                 break;
2743         default:
2744                 ret = -EINVAL;
2745                 break;
2746         }
2747
2748         mutex_unlock(&dsp->pwr_lock);
2749
2750         return ret;
2751 }
2752 EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger);
2753
2754 static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf)
2755 {
2756         int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1;
2757
2758         return buf->regions[last_region].cumulative_size;
2759 }
2760
2761 static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf)
2762 {
2763         u32 next_read_index, next_write_index;
2764         int write_index, read_index, avail;
2765         int ret;
2766
2767         /* Only sync read index if we haven't already read a valid index */
2768         if (buf->read_index < 0) {
2769                 ret = wm_adsp_buffer_read(buf,
2770                                 HOST_BUFFER_FIELD(next_read_index),
2771                                 &next_read_index);
2772                 if (ret < 0)
2773                         return ret;
2774
2775                 read_index = sign_extend32(next_read_index, 23);
2776
2777                 if (read_index < 0) {
2778                         adsp_dbg(buf->dsp, "Avail check on unstarted stream\n");
2779                         return 0;
2780                 }
2781
2782                 buf->read_index = read_index;
2783         }
2784
2785         ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index),
2786                         &next_write_index);
2787         if (ret < 0)
2788                 return ret;
2789
2790         write_index = sign_extend32(next_write_index, 23);
2791
2792         avail = write_index - buf->read_index;
2793         if (avail < 0)
2794                 avail += wm_adsp_buffer_size(buf);
2795
2796         adsp_dbg(buf->dsp, "readindex=0x%x, writeindex=0x%x, avail=%d\n",
2797                  buf->read_index, write_index, avail);
2798
2799         buf->avail = avail;
2800
2801         return 0;
2802 }
2803
2804 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp)
2805 {
2806         struct wm_adsp_compr_buf *buf = dsp->buffer;
2807         struct wm_adsp_compr *compr = dsp->compr;
2808         int ret = 0;
2809
2810         mutex_lock(&dsp->pwr_lock);
2811
2812         if (!buf) {
2813                 adsp_err(dsp, "Spurious buffer IRQ\n");
2814                 ret = -ENODEV;
2815                 goto out;
2816         }
2817
2818         adsp_dbg(dsp, "Handling buffer IRQ\n");
2819
2820         ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error);
2821         if (ret < 0) {
2822                 adsp_err(dsp, "Failed to check buffer error: %d\n", ret);
2823                 goto out;
2824         }
2825         if (buf->error != 0) {
2826                 adsp_err(dsp, "Buffer error occurred: %d\n", buf->error);
2827                 ret = -EIO;
2828                 goto out;
2829         }
2830
2831         ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count),
2832                                   &buf->irq_count);
2833         if (ret < 0) {
2834                 adsp_err(dsp, "Failed to get irq_count: %d\n", ret);
2835                 goto out;
2836         }
2837
2838         ret = wm_adsp_buffer_update_avail(buf);
2839         if (ret < 0) {
2840                 adsp_err(dsp, "Error reading avail: %d\n", ret);
2841                 goto out;
2842         }
2843
2844         if (compr->stream)
2845                 snd_compr_fragment_elapsed(compr->stream);
2846
2847 out:
2848         mutex_unlock(&dsp->pwr_lock);
2849
2850         return ret;
2851 }
2852 EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq);
2853
2854 static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf)
2855 {
2856         if (buf->irq_count & 0x01)
2857                 return 0;
2858
2859         adsp_dbg(buf->dsp, "Enable IRQ(0x%x) for next fragment\n",
2860                  buf->irq_count);
2861
2862         buf->irq_count |= 0x01;
2863
2864         return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack),
2865                                     buf->irq_count);
2866 }
2867
2868 int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
2869                           struct snd_compr_tstamp *tstamp)
2870 {
2871         struct wm_adsp_compr *compr = stream->runtime->private_data;
2872         struct wm_adsp_compr_buf *buf = compr->buf;
2873         struct wm_adsp *dsp = compr->dsp;
2874         int ret = 0;
2875
2876         adsp_dbg(dsp, "Pointer request\n");
2877
2878         mutex_lock(&dsp->pwr_lock);
2879
2880         if (!compr->buf) {
2881                 ret = -ENXIO;
2882                 goto out;
2883         }
2884
2885         if (compr->buf->error) {
2886                 ret = -EIO;
2887                 goto out;
2888         }
2889
2890         if (buf->avail < wm_adsp_compr_frag_words(compr)) {
2891                 ret = wm_adsp_buffer_update_avail(buf);
2892                 if (ret < 0) {
2893                         adsp_err(dsp, "Error reading avail: %d\n", ret);
2894                         goto out;
2895                 }
2896
2897                 /*
2898                  * If we really have less than 1 fragment available tell the
2899                  * DSP to inform us once a whole fragment is available.
2900                  */
2901                 if (buf->avail < wm_adsp_compr_frag_words(compr)) {
2902                         ret = wm_adsp_buffer_reenable_irq(buf);
2903                         if (ret < 0) {
2904                                 adsp_err(dsp,
2905                                          "Failed to re-enable buffer IRQ: %d\n",
2906                                          ret);
2907                                 goto out;
2908                         }
2909                 }
2910         }
2911
2912         tstamp->copied_total = compr->copied_total;
2913         tstamp->copied_total += buf->avail * WM_ADSP_DATA_WORD_SIZE;
2914
2915 out:
2916         mutex_unlock(&dsp->pwr_lock);
2917
2918         return ret;
2919 }
2920 EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer);
2921
2922 static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target)
2923 {
2924         struct wm_adsp_compr_buf *buf = compr->buf;
2925         u8 *pack_in = (u8 *)compr->raw_buf;
2926         u8 *pack_out = (u8 *)compr->raw_buf;
2927         unsigned int adsp_addr;
2928         int mem_type, nwords, max_read;
2929         int i, j, ret;
2930
2931         /* Calculate read parameters */
2932         for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i)
2933                 if (buf->read_index < buf->regions[i].cumulative_size)
2934                         break;
2935
2936         if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions)
2937                 return -EINVAL;
2938
2939         mem_type = buf->regions[i].mem_type;
2940         adsp_addr = buf->regions[i].base_addr +
2941                     (buf->read_index - buf->regions[i].offset);
2942
2943         max_read = wm_adsp_compr_frag_words(compr);
2944         nwords = buf->regions[i].cumulative_size - buf->read_index;
2945
2946         if (nwords > target)
2947                 nwords = target;
2948         if (nwords > buf->avail)
2949                 nwords = buf->avail;
2950         if (nwords > max_read)
2951                 nwords = max_read;
2952         if (!nwords)
2953                 return 0;
2954
2955         /* Read data from DSP */
2956         ret = wm_adsp_read_data_block(buf->dsp, mem_type, adsp_addr,
2957                                       nwords, compr->raw_buf);
2958         if (ret < 0)
2959                 return ret;
2960
2961         /* Remove the padding bytes from the data read from the DSP */
2962         for (i = 0; i < nwords; i++) {
2963                 for (j = 0; j < WM_ADSP_DATA_WORD_SIZE; j++)
2964                         *pack_out++ = *pack_in++;
2965
2966                 pack_in += sizeof(*(compr->raw_buf)) - WM_ADSP_DATA_WORD_SIZE;
2967         }
2968
2969         /* update read index to account for words read */
2970         buf->read_index += nwords;
2971         if (buf->read_index == wm_adsp_buffer_size(buf))
2972                 buf->read_index = 0;
2973
2974         ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index),
2975                                    buf->read_index);
2976         if (ret < 0)
2977                 return ret;
2978
2979         /* update avail to account for words read */
2980         buf->avail -= nwords;
2981
2982         return nwords;
2983 }
2984
2985 static int wm_adsp_compr_read(struct wm_adsp_compr *compr,
2986                               char __user *buf, size_t count)
2987 {
2988         struct wm_adsp *dsp = compr->dsp;
2989         int ntotal = 0;
2990         int nwords, nbytes;
2991
2992         adsp_dbg(dsp, "Requested read of %zu bytes\n", count);
2993
2994         if (!compr->buf)
2995                 return -ENXIO;
2996
2997         if (compr->buf->error)
2998                 return -EIO;
2999
3000         count /= WM_ADSP_DATA_WORD_SIZE;
3001
3002         do {
3003                 nwords = wm_adsp_buffer_capture_block(compr, count);
3004                 if (nwords < 0) {
3005                         adsp_err(dsp, "Failed to capture block: %d\n", nwords);
3006                         return nwords;
3007                 }
3008
3009                 nbytes = nwords * WM_ADSP_DATA_WORD_SIZE;
3010
3011                 adsp_dbg(dsp, "Read %d bytes\n", nbytes);
3012
3013                 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) {
3014                         adsp_err(dsp, "Failed to copy data to user: %d, %d\n",
3015                                  ntotal, nbytes);
3016                         return -EFAULT;
3017                 }
3018
3019                 count -= nwords;
3020                 ntotal += nbytes;
3021         } while (nwords > 0 && count > 0);
3022
3023         compr->copied_total += ntotal;
3024
3025         return ntotal;
3026 }
3027
3028 int wm_adsp_compr_copy(struct snd_compr_stream *stream, char __user *buf,
3029                        size_t count)
3030 {
3031         struct wm_adsp_compr *compr = stream->runtime->private_data;
3032         struct wm_adsp *dsp = compr->dsp;
3033         int ret;
3034
3035         mutex_lock(&dsp->pwr_lock);
3036
3037         if (stream->direction == SND_COMPRESS_CAPTURE)
3038                 ret = wm_adsp_compr_read(compr, buf, count);
3039         else
3040                 ret = -ENOTSUPP;
3041
3042         mutex_unlock(&dsp->pwr_lock);
3043
3044         return ret;
3045 }
3046 EXPORT_SYMBOL_GPL(wm_adsp_compr_copy);
3047
3048 MODULE_LICENSE("GPL v2");