sound/soc/codecs/wm_adsp.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * wm_adsp.c  --  Wolfson ADSP support
   4  *
   5  * Copyright 2012 Wolfson Microelectronics plc
   6  *
   7  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   8  */
   9
  10 #include <linux/ctype.h>
  11 #include <linux/module.h>
  12 #include <linux/moduleparam.h>
  13 #include <linux/init.h>
  14 #include <linux/delay.h>
  15 #include <linux/firmware.h>
  16 #include <linux/list.h>
  17 #include <linux/pm.h>
  18 #include <linux/pm_runtime.h>
  19 #include <linux/regmap.h>
  20 #include <linux/regulator/consumer.h>
  21 #include <linux/slab.h>
  22 #include <linux/vmalloc.h>
  23 #include <linux/workqueue.h>
  24 #include <linux/debugfs.h>
  25 #include <sound/core.h>
  26 #include <sound/pcm.h>
  27 #include <sound/pcm_params.h>
  28 #include <sound/soc.h>
  29 #include <sound/jack.h>
  30 #include <sound/initval.h>
  31 #include <sound/tlv.h>
  32
  33 #include "wm_adsp.h"
  34
  35 #define adsp_crit(_dsp, fmt, ...) \
  36         dev_crit(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__)
  37 #define adsp_err(_dsp, fmt, ...) \
  38         dev_err(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__)
  39 #define adsp_warn(_dsp, fmt, ...) \
  40         dev_warn(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__)
  41 #define adsp_info(_dsp, fmt, ...) \
  42         dev_info(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__)
  43 #define adsp_dbg(_dsp, fmt, ...) \
  44         dev_dbg(_dsp->dev, "%s: " fmt, _dsp->name, ##__VA_ARGS__)
  45
  46 #define compr_err(_obj, fmt, ...) \
  47         adsp_err(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \
  48                  ##__VA_ARGS__)
  49 #define compr_dbg(_obj, fmt, ...) \
  50         adsp_dbg(_obj->dsp, "%s: " fmt, _obj->name ? _obj->name : "legacy", \
  51                  ##__VA_ARGS__)
  52
  53 #define ADSP1_CONTROL_1                   0x00
  54 #define ADSP1_CONTROL_2                   0x02
  55 #define ADSP1_CONTROL_3                   0x03
  56 #define ADSP1_CONTROL_4                   0x04
  57 #define ADSP1_CONTROL_5                   0x06
  58 #define ADSP1_CONTROL_6                   0x07
  59 #define ADSP1_CONTROL_7                   0x08
  60 #define ADSP1_CONTROL_8                   0x09
  61 #define ADSP1_CONTROL_9                   0x0A
  62 #define ADSP1_CONTROL_10                  0x0B
  63 #define ADSP1_CONTROL_11                  0x0C
  64 #define ADSP1_CONTROL_12                  0x0D
  65 #define ADSP1_CONTROL_13                  0x0F
  66 #define ADSP1_CONTROL_14                  0x10
  67 #define ADSP1_CONTROL_15                  0x11
  68 #define ADSP1_CONTROL_16                  0x12
  69 #define ADSP1_CONTROL_17                  0x13
  70 #define ADSP1_CONTROL_18                  0x14
  71 #define ADSP1_CONTROL_19                  0x16
  72 #define ADSP1_CONTROL_20                  0x17
  73 #define ADSP1_CONTROL_21                  0x18
  74 #define ADSP1_CONTROL_22                  0x1A
  75 #define ADSP1_CONTROL_23                  0x1B
  76 #define ADSP1_CONTROL_24                  0x1C
  77 #define ADSP1_CONTROL_25                  0x1E
  78 #define ADSP1_CONTROL_26                  0x20
  79 #define ADSP1_CONTROL_27                  0x21
  80 #define ADSP1_CONTROL_28                  0x22
  81 #define ADSP1_CONTROL_29                  0x23
  82 #define ADSP1_CONTROL_30                  0x24
  83 #define ADSP1_CONTROL_31                  0x26
  84
  85 /*
  86  * ADSP1 Control 19
  87  */
  88 #define ADSP1_WDMA_BUFFER_LENGTH_MASK     0x00FF  /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
  89 #define ADSP1_WDMA_BUFFER_LENGTH_SHIFT         0  /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
  90 #define ADSP1_WDMA_BUFFER_LENGTH_WIDTH         8  /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */
  91
  92
  93 /*
  94  * ADSP1 Control 30
  95  */
  96 #define ADSP1_DBG_CLK_ENA                 0x0008  /* DSP1_DBG_CLK_ENA */
  97 #define ADSP1_DBG_CLK_ENA_MASK            0x0008  /* DSP1_DBG_CLK_ENA */
  98 #define ADSP1_DBG_CLK_ENA_SHIFT                3  /* DSP1_DBG_CLK_ENA */
  99 #define ADSP1_DBG_CLK_ENA_WIDTH                1  /* DSP1_DBG_CLK_ENA */
 100 #define ADSP1_SYS_ENA                     0x0004  /* DSP1_SYS_ENA */
 101 #define ADSP1_SYS_ENA_MASK                0x0004  /* DSP1_SYS_ENA */
 102 #define ADSP1_SYS_ENA_SHIFT                    2  /* DSP1_SYS_ENA */
 103 #define ADSP1_SYS_ENA_WIDTH                    1  /* DSP1_SYS_ENA */
 104 #define ADSP1_CORE_ENA                    0x0002  /* DSP1_CORE_ENA */
 105 #define ADSP1_CORE_ENA_MASK               0x0002  /* DSP1_CORE_ENA */
 106 #define ADSP1_CORE_ENA_SHIFT                   1  /* DSP1_CORE_ENA */
 107 #define ADSP1_CORE_ENA_WIDTH                   1  /* DSP1_CORE_ENA */
 108 #define ADSP1_START                       0x0001  /* DSP1_START */
 109 #define ADSP1_START_MASK                  0x0001  /* DSP1_START */
 110 #define ADSP1_START_SHIFT                      0  /* DSP1_START */
 111 #define ADSP1_START_WIDTH                      1  /* DSP1_START */
 112
 113 /*
 114  * ADSP1 Control 31
 115  */
 116 #define ADSP1_CLK_SEL_MASK                0x0007  /* CLK_SEL_ENA */
 117 #define ADSP1_CLK_SEL_SHIFT                    0  /* CLK_SEL_ENA */
 118 #define ADSP1_CLK_SEL_WIDTH                    3  /* CLK_SEL_ENA */
 119
 120 #define ADSP2_CONTROL                     0x0
 121 #define ADSP2_CLOCKING                    0x1
 122 #define ADSP2V2_CLOCKING                  0x2
 123 #define ADSP2_STATUS1                     0x4
 124 #define ADSP2_WDMA_CONFIG_1               0x30
 125 #define ADSP2_WDMA_CONFIG_2               0x31
 126 #define ADSP2V2_WDMA_CONFIG_2             0x32
 127 #define ADSP2_RDMA_CONFIG_1               0x34
 128
 129 #define ADSP2_SCRATCH0                    0x40
 130 #define ADSP2_SCRATCH1                    0x41
 131 #define ADSP2_SCRATCH2                    0x42
 132 #define ADSP2_SCRATCH3                    0x43
 133
 134 #define ADSP2V2_SCRATCH0_1                0x40
 135 #define ADSP2V2_SCRATCH2_3                0x42
 136
 137 /*
 138  * ADSP2 Control
 139  */
 140
 141 #define ADSP2_MEM_ENA                     0x0010  /* DSP1_MEM_ENA */
 142 #define ADSP2_MEM_ENA_MASK                0x0010  /* DSP1_MEM_ENA */
 143 #define ADSP2_MEM_ENA_SHIFT                    4  /* DSP1_MEM_ENA */
 144 #define ADSP2_MEM_ENA_WIDTH                    1  /* DSP1_MEM_ENA */
 145 #define ADSP2_SYS_ENA                     0x0004  /* DSP1_SYS_ENA */
 146 #define ADSP2_SYS_ENA_MASK                0x0004  /* DSP1_SYS_ENA */
 147 #define ADSP2_SYS_ENA_SHIFT                    2  /* DSP1_SYS_ENA */
 148 #define ADSP2_SYS_ENA_WIDTH                    1  /* DSP1_SYS_ENA */
 149 #define ADSP2_CORE_ENA                    0x0002  /* DSP1_CORE_ENA */
 150 #define ADSP2_CORE_ENA_MASK               0x0002  /* DSP1_CORE_ENA */
 151 #define ADSP2_CORE_ENA_SHIFT                   1  /* DSP1_CORE_ENA */
 152 #define ADSP2_CORE_ENA_WIDTH                   1  /* DSP1_CORE_ENA */
 153 #define ADSP2_START                       0x0001  /* DSP1_START */
 154 #define ADSP2_START_MASK                  0x0001  /* DSP1_START */
 155 #define ADSP2_START_SHIFT                      0  /* DSP1_START */
 156 #define ADSP2_START_WIDTH                      1  /* DSP1_START */
 157
 158 /*
 159  * ADSP2 clocking
 160  */
 161 #define ADSP2_CLK_SEL_MASK                0x0007  /* CLK_SEL_ENA */
 162 #define ADSP2_CLK_SEL_SHIFT                    0  /* CLK_SEL_ENA */
 163 #define ADSP2_CLK_SEL_WIDTH                    3  /* CLK_SEL_ENA */
 164
 165 /*
 166  * ADSP2V2 clocking
 167  */
 168 #define ADSP2V2_CLK_SEL_MASK             0x70000  /* CLK_SEL_ENA */
 169 #define ADSP2V2_CLK_SEL_SHIFT                 16  /* CLK_SEL_ENA */
 170 #define ADSP2V2_CLK_SEL_WIDTH                  3  /* CLK_SEL_ENA */
 171
 172 #define ADSP2V2_RATE_MASK                 0x7800  /* DSP_RATE */
 173 #define ADSP2V2_RATE_SHIFT                    11  /* DSP_RATE */
 174 #define ADSP2V2_RATE_WIDTH                     4  /* DSP_RATE */
 175
 176 /*
 177  * ADSP2 Status 1
 178  */
 179 #define ADSP2_RAM_RDY                     0x0001
 180 #define ADSP2_RAM_RDY_MASK                0x0001
 181 #define ADSP2_RAM_RDY_SHIFT                    0
 182 #define ADSP2_RAM_RDY_WIDTH                    1
 183
 184 /*
 185  * ADSP2 Lock support
 186  */
 187 #define ADSP2_LOCK_CODE_0                    0x5555
 188 #define ADSP2_LOCK_CODE_1                    0xAAAA
 189
 190 #define ADSP2_WATCHDOG                       0x0A
 191 #define ADSP2_BUS_ERR_ADDR                   0x52
 192 #define ADSP2_REGION_LOCK_STATUS             0x64
 193 #define ADSP2_LOCK_REGION_1_LOCK_REGION_0    0x66
 194 #define ADSP2_LOCK_REGION_3_LOCK_REGION_2    0x68
 195 #define ADSP2_LOCK_REGION_5_LOCK_REGION_4    0x6A
 196 #define ADSP2_LOCK_REGION_7_LOCK_REGION_6    0x6C
 197 #define ADSP2_LOCK_REGION_9_LOCK_REGION_8    0x6E
 198 #define ADSP2_LOCK_REGION_CTRL               0x7A
 199 #define ADSP2_PMEM_ERR_ADDR_XMEM_ERR_ADDR    0x7C
 200
 201 #define ADSP2_REGION_LOCK_ERR_MASK           0x8000
 202 #define ADSP2_SLAVE_ERR_MASK                 0x4000
 203 #define ADSP2_WDT_TIMEOUT_STS_MASK           0x2000
 204 #define ADSP2_CTRL_ERR_PAUSE_ENA             0x0002
 205 #define ADSP2_CTRL_ERR_EINT                  0x0001
 206
 207 #define ADSP2_BUS_ERR_ADDR_MASK              0x00FFFFFF
 208 #define ADSP2_XMEM_ERR_ADDR_MASK             0x0000FFFF
 209 #define ADSP2_PMEM_ERR_ADDR_MASK             0x7FFF0000
 210 #define ADSP2_PMEM_ERR_ADDR_SHIFT            16
 211 #define ADSP2_WDT_ENA_MASK                   0xFFFFFFFD
 212
 213 #define ADSP2_LOCK_REGION_SHIFT              16
 214
 215 #define ADSP_MAX_STD_CTRL_SIZE               512
 216
 217 #define WM_ADSP_ACKED_CTL_TIMEOUT_MS         100
 218 #define WM_ADSP_ACKED_CTL_N_QUICKPOLLS       10
 219 #define WM_ADSP_ACKED_CTL_MIN_VALUE          0
 220 #define WM_ADSP_ACKED_CTL_MAX_VALUE          0xFFFFFF
 221
 222 /*
 223  * Event control messages
 224  */
 225 #define WM_ADSP_FW_EVENT_SHUTDOWN            0x000001
 226
 227 /*
 228  * HALO system info
 229  */
 230 #define HALO_AHBM_WINDOW_DEBUG_0             0x02040
 231 #define HALO_AHBM_WINDOW_DEBUG_1             0x02044
 232
 233 /*
 234  * HALO core
 235  */
 236 #define HALO_SCRATCH1                        0x005c0
 237 #define HALO_SCRATCH2                        0x005c8
 238 #define HALO_SCRATCH3                        0x005d0
 239 #define HALO_SCRATCH4                        0x005d8
 240 #define HALO_CCM_CORE_CONTROL                0x41000
 241 #define HALO_CORE_SOFT_RESET                 0x00010
 242 #define HALO_WDT_CONTROL                     0x47000
 243
 244 /*
 245  * HALO MPU banks
 246  */
 247 #define HALO_MPU_XMEM_ACCESS_0               0x43000
 248 #define HALO_MPU_YMEM_ACCESS_0               0x43004
 249 #define HALO_MPU_WINDOW_ACCESS_0             0x43008
 250 #define HALO_MPU_XREG_ACCESS_0               0x4300C
 251 #define HALO_MPU_YREG_ACCESS_0               0x43014
 252 #define HALO_MPU_XMEM_ACCESS_1               0x43018
 253 #define HALO_MPU_YMEM_ACCESS_1               0x4301C
 254 #define HALO_MPU_WINDOW_ACCESS_1             0x43020
 255 #define HALO_MPU_XREG_ACCESS_1               0x43024
 256 #define HALO_MPU_YREG_ACCESS_1               0x4302C
 257 #define HALO_MPU_XMEM_ACCESS_2               0x43030
 258 #define HALO_MPU_YMEM_ACCESS_2               0x43034
 259 #define HALO_MPU_WINDOW_ACCESS_2             0x43038
 260 #define HALO_MPU_XREG_ACCESS_2               0x4303C
 261 #define HALO_MPU_YREG_ACCESS_2               0x43044
 262 #define HALO_MPU_XMEM_ACCESS_3               0x43048
 263 #define HALO_MPU_YMEM_ACCESS_3               0x4304C
 264 #define HALO_MPU_WINDOW_ACCESS_3             0x43050
 265 #define HALO_MPU_XREG_ACCESS_3               0x43054
 266 #define HALO_MPU_YREG_ACCESS_3               0x4305C
 267 #define HALO_MPU_XM_VIO_ADDR                 0x43100
 268 #define HALO_MPU_XM_VIO_STATUS               0x43104
 269 #define HALO_MPU_YM_VIO_ADDR                 0x43108
 270 #define HALO_MPU_YM_VIO_STATUS               0x4310C
 271 #define HALO_MPU_PM_VIO_ADDR                 0x43110
 272 #define HALO_MPU_PM_VIO_STATUS               0x43114
 273 #define HALO_MPU_LOCK_CONFIG                 0x43140
 274
 275 /*
 276  * HALO_AHBM_WINDOW_DEBUG_1
 277  */
 278 #define HALO_AHBM_CORE_ERR_ADDR_MASK         0x0fffff00
 279 #define HALO_AHBM_CORE_ERR_ADDR_SHIFT                 8
 280 #define HALO_AHBM_FLAGS_ERR_MASK             0x000000ff
 281
 282 /*
 283  * HALO_CCM_CORE_CONTROL
 284  */
 285 #define HALO_CORE_EN                        0x00000001
 286
 287 /*
 288  * HALO_CORE_SOFT_RESET
 289  */
 290 #define HALO_CORE_SOFT_RESET_MASK           0x00000001
 291
 292 /*
 293  * HALO_WDT_CONTROL
 294  */
 295 #define HALO_WDT_EN_MASK                    0x00000001
 296
 297 /*
 298  * HALO_MPU_?M_VIO_STATUS
 299  */
 300 #define HALO_MPU_VIO_STS_MASK               0x007e0000
 301 #define HALO_MPU_VIO_STS_SHIFT                      17
 302 #define HALO_MPU_VIO_ERR_WR_MASK            0x00008000
 303 #define HALO_MPU_VIO_ERR_SRC_MASK           0x00007fff
 304 #define HALO_MPU_VIO_ERR_SRC_SHIFT                   0
 305
 306 static struct wm_adsp_ops wm_adsp1_ops;
 307 static struct wm_adsp_ops wm_adsp2_ops[];
 308 static struct wm_adsp_ops wm_halo_ops;
 309
 310 struct wm_adsp_buf {
 311         struct list_head list;
 312         void *buf;
 313 };
 314
 315 static struct wm_adsp_buf *wm_adsp_buf_alloc(const void *src, size_t len,
 316                                              struct list_head *list)
 317 {
 318         struct wm_adsp_buf *buf = kzalloc(sizeof(*buf), GFP_KERNEL);
 319
 320         if (buf == NULL)
 321                 return NULL;
 322
 323         buf->buf = vmalloc(len);
 324         if (!buf->buf) {
 325                 kfree(buf);
 326                 return NULL;
 327         }
 328         memcpy(buf->buf, src, len);
 329
 330         if (list)
 331                 list_add_tail(&buf->list, list);
 332
 333         return buf;
 334 }
 335
 336 static void wm_adsp_buf_free(struct list_head *list)
 337 {
 338         while (!list_empty(list)) {
 339                 struct wm_adsp_buf *buf = list_first_entry(list,
 340                                                            struct wm_adsp_buf,
 341                                                            list);
 342                 list_del(&buf->list);
 343                 vfree(buf->buf);
 344                 kfree(buf);
 345         }
 346 }
 347
 348 #define WM_ADSP_FW_MBC_VSS  0
 349 #define WM_ADSP_FW_HIFI     1
 350 #define WM_ADSP_FW_TX       2
 351 #define WM_ADSP_FW_TX_SPK   3
 352 #define WM_ADSP_FW_RX       4
 353 #define WM_ADSP_FW_RX_ANC   5
 354 #define WM_ADSP_FW_CTRL     6
 355 #define WM_ADSP_FW_ASR      7
 356 #define WM_ADSP_FW_TRACE    8
 357 #define WM_ADSP_FW_SPK_PROT 9
 358 #define WM_ADSP_FW_MISC     10
 359
 360 #define WM_ADSP_NUM_FW      11
 361
 362 static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = {
 363         [WM_ADSP_FW_MBC_VSS] =  "MBC/VSS",
 364         [WM_ADSP_FW_HIFI] =     "MasterHiFi",
 365         [WM_ADSP_FW_TX] =       "Tx",
 366         [WM_ADSP_FW_TX_SPK] =   "Tx Speaker",
 367         [WM_ADSP_FW_RX] =       "Rx",
 368         [WM_ADSP_FW_RX_ANC] =   "Rx ANC",
 369         [WM_ADSP_FW_CTRL] =     "Voice Ctrl",
 370         [WM_ADSP_FW_ASR] =      "ASR Assist",
 371         [WM_ADSP_FW_TRACE] =    "Dbg Trace",
 372         [WM_ADSP_FW_SPK_PROT] = "Protection",
 373         [WM_ADSP_FW_MISC] =     "Misc",
 374 };
 375
 376 struct wm_adsp_system_config_xm_hdr {
 377         __be32 sys_enable;
 378         __be32 fw_id;
 379         __be32 fw_rev;
 380         __be32 boot_status;
 381         __be32 watchdog;
 382         __be32 dma_buffer_size;
 383         __be32 rdma[6];
 384         __be32 wdma[8];
 385         __be32 build_job_name[3];
 386         __be32 build_job_number;
 387 };
 388
 389 struct wm_halo_system_config_xm_hdr {
 390         __be32 halo_heartbeat;
 391         __be32 build_job_name[3];
 392         __be32 build_job_number;
 393 };
 394
 395 struct wm_adsp_alg_xm_struct {
 396         __be32 magic;
 397         __be32 smoothing;
 398         __be32 threshold;
 399         __be32 host_buf_ptr;
 400         __be32 start_seq;
 401         __be32 high_water_mark;
 402         __be32 low_water_mark;
 403         __be64 smoothed_power;
 404 };
 405
 406 struct wm_adsp_host_buf_coeff_v1 {
 407         __be32 host_buf_ptr;            /* Host buffer pointer */
 408         __be32 versions;                /* Version numbers */
 409         __be32 name[4];                 /* The buffer name */
 410 };
 411
 412 struct wm_adsp_buffer {
 413         __be32 buf1_base;               /* Base addr of first buffer area */
 414         __be32 buf1_size;               /* Size of buf1 area in DSP words */
 415         __be32 buf2_base;               /* Base addr of 2nd buffer area */
 416         __be32 buf1_buf2_size;          /* Size of buf1+buf2 in DSP words */
 417         __be32 buf3_base;               /* Base addr of buf3 area */
 418         __be32 buf_total_size;          /* Size of buf1+buf2+buf3 in DSP words */
 419         __be32 high_water_mark;         /* Point at which IRQ is asserted */
 420         __be32 irq_count;               /* bits 1-31 count IRQ assertions */
 421         __be32 irq_ack;                 /* acked IRQ count, bit 0 enables IRQ */
 422         __be32 next_write_index;        /* word index of next write */
 423         __be32 next_read_index;         /* word index of next read */
 424         __be32 error;                   /* error if any */
 425         __be32 oldest_block_index;      /* word index of oldest surviving */
 426         __be32 requested_rewind;        /* how many blocks rewind was done */
 427         __be32 reserved_space;          /* internal */
 428         __be32 min_free;                /* min free space since stream start */
 429         __be32 blocks_written[2];       /* total blocks written (64 bit) */
 430         __be32 words_written[2];        /* total words written (64 bit) */
 431 };
 432
 433 struct wm_adsp_compr;
 434
 435 struct wm_adsp_compr_buf {
 436         struct list_head list;
 437         struct wm_adsp *dsp;
 438         struct wm_adsp_compr *compr;
 439
 440         struct wm_adsp_buffer_region *regions;
 441         u32 host_buf_ptr;
 442
 443         u32 error;
 444         u32 irq_count;
 445         int read_index;
 446         int avail;
 447         int host_buf_mem_type;
 448
 449         char *name;
 450 };
 451
 452 struct wm_adsp_compr {
 453         struct list_head list;
 454         struct wm_adsp *dsp;
 455         struct wm_adsp_compr_buf *buf;
 456
 457         struct snd_compr_stream *stream;
 458         struct snd_compressed_buffer size;
 459
 460         u32 *raw_buf;
 461         unsigned int copied_total;
 462
 463         unsigned int sample_rate;
 464
 465         const char *name;
 466 };
 467
 468 #define WM_ADSP_DATA_WORD_SIZE         3
 469
 470 #define WM_ADSP_MIN_FRAGMENTS          1
 471 #define WM_ADSP_MAX_FRAGMENTS          256
 472 #define WM_ADSP_MIN_FRAGMENT_SIZE      (64 * WM_ADSP_DATA_WORD_SIZE)
 473 #define WM_ADSP_MAX_FRAGMENT_SIZE      (4096 * WM_ADSP_DATA_WORD_SIZE)
 474
 475 #define WM_ADSP_ALG_XM_STRUCT_MAGIC    0x49aec7
 476
 477 #define HOST_BUFFER_FIELD(field) \
 478         (offsetof(struct wm_adsp_buffer, field) / sizeof(__be32))
 479
 480 #define ALG_XM_FIELD(field) \
 481         (offsetof(struct wm_adsp_alg_xm_struct, field) / sizeof(__be32))
 482
 483 #define HOST_BUF_COEFF_SUPPORTED_COMPAT_VER     1
 484
 485 #define HOST_BUF_COEFF_COMPAT_VER_MASK          0xFF00
 486 #define HOST_BUF_COEFF_COMPAT_VER_SHIFT         8
 487
 488 static int wm_adsp_buffer_init(struct wm_adsp *dsp);
 489 static int wm_adsp_buffer_free(struct wm_adsp *dsp);
 490
 491 struct wm_adsp_buffer_region {
 492         unsigned int offset;
 493         unsigned int cumulative_size;
 494         unsigned int mem_type;
 495         unsigned int base_addr;
 496 };
 497
 498 struct wm_adsp_buffer_region_def {
 499         unsigned int mem_type;
 500         unsigned int base_offset;
 501         unsigned int size_offset;
 502 };
 503
 504 static const struct wm_adsp_buffer_region_def default_regions[] = {
 505         {
 506                 .mem_type = WMFW_ADSP2_XM,
 507                 .base_offset = HOST_BUFFER_FIELD(buf1_base),
 508                 .size_offset = HOST_BUFFER_FIELD(buf1_size),
 509         },
 510         {
 511                 .mem_type = WMFW_ADSP2_XM,
 512                 .base_offset = HOST_BUFFER_FIELD(buf2_base),
 513                 .size_offset = HOST_BUFFER_FIELD(buf1_buf2_size),
 514         },
 515         {
 516                 .mem_type = WMFW_ADSP2_YM,
 517                 .base_offset = HOST_BUFFER_FIELD(buf3_base),
 518                 .size_offset = HOST_BUFFER_FIELD(buf_total_size),
 519         },
 520 };
 521
 522 struct wm_adsp_fw_caps {
 523         u32 id;
 524         struct snd_codec_desc desc;
 525         int num_regions;
 526         const struct wm_adsp_buffer_region_def *region_defs;
 527 };
 528
 529 static const struct wm_adsp_fw_caps ctrl_caps[] = {
 530         {
 531                 .id = SND_AUDIOCODEC_BESPOKE,
 532                 .desc = {
 533                         .max_ch = 8,
 534                         .sample_rates = { 16000 },
 535                         .num_sample_rates = 1,
 536                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 537                 },
 538                 .num_regions = ARRAY_SIZE(default_regions),
 539                 .region_defs = default_regions,
 540         },
 541 };
 542
 543 static const struct wm_adsp_fw_caps trace_caps[] = {
 544         {
 545                 .id = SND_AUDIOCODEC_BESPOKE,
 546                 .desc = {
 547                         .max_ch = 8,
 548                         .sample_rates = {
 549                                 4000, 8000, 11025, 12000, 16000, 22050,
 550                                 24000, 32000, 44100, 48000, 64000, 88200,
 551                                 96000, 176400, 192000
 552                         },
 553                         .num_sample_rates = 15,
 554                         .formats = SNDRV_PCM_FMTBIT_S16_LE,
 555                 },
 556                 .num_regions = ARRAY_SIZE(default_regions),
 557                 .region_defs = default_regions,
 558         },
 559 };
 560
 561 static const struct {
 562         const char *file;
 563         int compr_direction;
 564         int num_caps;
 565         const struct wm_adsp_fw_caps *caps;
 566         bool voice_trigger;
 567 } wm_adsp_fw[WM_ADSP_NUM_FW] = {
 568         [WM_ADSP_FW_MBC_VSS] =  { .file = "mbc-vss" },
 569         [WM_ADSP_FW_HIFI] =     { .file = "hifi" },
 570         [WM_ADSP_FW_TX] =       { .file = "tx" },
 571         [WM_ADSP_FW_TX_SPK] =   { .file = "tx-spk" },
 572         [WM_ADSP_FW_RX] =       { .file = "rx" },
 573         [WM_ADSP_FW_RX_ANC] =   { .file = "rx-anc" },
 574         [WM_ADSP_FW_CTRL] =     {
 575                 .file = "ctrl",
 576                 .compr_direction = SND_COMPRESS_CAPTURE,
 577                 .num_caps = ARRAY_SIZE(ctrl_caps),
 578                 .caps = ctrl_caps,
 579                 .voice_trigger = true,
 580         },
 581         [WM_ADSP_FW_ASR] =      { .file = "asr" },
 582         [WM_ADSP_FW_TRACE] =    {
 583                 .file = "trace",
 584                 .compr_direction = SND_COMPRESS_CAPTURE,
 585                 .num_caps = ARRAY_SIZE(trace_caps),
 586                 .caps = trace_caps,
 587         },
 588         [WM_ADSP_FW_SPK_PROT] = { .file = "spk-prot" },
 589         [WM_ADSP_FW_MISC] =     { .file = "misc" },
 590 };
 591
 592 struct wm_coeff_ctl_ops {
 593         int (*xget)(struct snd_kcontrol *kcontrol,
 594                     struct snd_ctl_elem_value *ucontrol);
 595         int (*xput)(struct snd_kcontrol *kcontrol,
 596                     struct snd_ctl_elem_value *ucontrol);
 597 };
 598
 599 struct wm_coeff_ctl {
 600         const char *name;
 601         const char *fw_name;
 602         struct wm_adsp_alg_region alg_region;
 603         struct wm_coeff_ctl_ops ops;
 604         struct wm_adsp *dsp;
 605         unsigned int enabled:1;
 606         struct list_head list;
 607         void *cache;
 608         unsigned int offset;
 609         size_t len;
 610         unsigned int set:1;
 611         struct soc_bytes_ext bytes_ext;
 612         unsigned int flags;
 613         unsigned int type;
 614 };
 615
 616 static const char *wm_adsp_mem_region_name(unsigned int type)
 617 {
 618         switch (type) {
 619         case WMFW_ADSP1_PM:
 620                 return "PM";
 621         case WMFW_HALO_PM_PACKED:
 622                 return "PM_PACKED";
 623         case WMFW_ADSP1_DM:
 624                 return "DM";
 625         case WMFW_ADSP2_XM:
 626                 return "XM";
 627         case WMFW_HALO_XM_PACKED:
 628                 return "XM_PACKED";
 629         case WMFW_ADSP2_YM:
 630                 return "YM";
 631         case WMFW_HALO_YM_PACKED:
 632                 return "YM_PACKED";
 633         case WMFW_ADSP1_ZM:
 634                 return "ZM";
 635         default:
 636                 return NULL;
 637         }
 638 }
 639
 640 #ifdef CONFIG_DEBUG_FS
 641 static void wm_adsp_debugfs_save_wmfwname(struct wm_adsp *dsp, const char *s)
 642 {
 643         char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
 644
 645         kfree(dsp->wmfw_file_name);
 646         dsp->wmfw_file_name = tmp;
 647 }
 648
 649 static void wm_adsp_debugfs_save_binname(struct wm_adsp *dsp, const char *s)
 650 {
 651         char *tmp = kasprintf(GFP_KERNEL, "%s\n", s);
 652
 653         kfree(dsp->bin_file_name);
 654         dsp->bin_file_name = tmp;
 655 }
 656
 657 static void wm_adsp_debugfs_clear(struct wm_adsp *dsp)
 658 {
 659         kfree(dsp->wmfw_file_name);
 660         kfree(dsp->bin_file_name);
 661         dsp->wmfw_file_name = NULL;
 662         dsp->bin_file_name = NULL;
 663 }
 664
 665 static ssize_t wm_adsp_debugfs_wmfw_read(struct file *file,
 666                                          char __user *user_buf,
 667                                          size_t count, loff_t *ppos)
 668 {
 669         struct wm_adsp *dsp = file->private_data;
 670         ssize_t ret;
 671
 672         mutex_lock(&dsp->pwr_lock);
 673
 674         if (!dsp->wmfw_file_name || !dsp->booted)
 675                 ret = 0;
 676         else
 677                 ret = simple_read_from_buffer(user_buf, count, ppos,
 678                                               dsp->wmfw_file_name,
 679                                               strlen(dsp->wmfw_file_name));
 680
 681         mutex_unlock(&dsp->pwr_lock);
 682         return ret;
 683 }
 684
 685 static ssize_t wm_adsp_debugfs_bin_read(struct file *file,
 686                                         char __user *user_buf,
 687                                         size_t count, loff_t *ppos)
 688 {
 689         struct wm_adsp *dsp = file->private_data;
 690         ssize_t ret;
 691
 692         mutex_lock(&dsp->pwr_lock);
 693
 694         if (!dsp->bin_file_name || !dsp->booted)
 695                 ret = 0;
 696         else
 697                 ret = simple_read_from_buffer(user_buf, count, ppos,
 698                                               dsp->bin_file_name,
 699                                               strlen(dsp->bin_file_name));
 700
 701         mutex_unlock(&dsp->pwr_lock);
 702         return ret;
 703 }
 704
 705 static const struct {
 706         const char *name;
 707         const struct file_operations fops;
 708 } wm_adsp_debugfs_fops[] = {
 709         {
 710                 .name = "wmfw_file_name",
 711                 .fops = {
 712                         .open = simple_open,
 713                         .read = wm_adsp_debugfs_wmfw_read,
 714                 },
 715         },
 716         {
 717                 .name = "bin_file_name",
 718                 .fops = {
 719                         .open = simple_open,
 720                         .read = wm_adsp_debugfs_bin_read,
 721                 },
 722         },
 723 };
 724
 725 static void wm_adsp2_init_debugfs(struct wm_adsp *dsp,
 726                                   struct snd_soc_component *component)
 727 {
 728         struct dentry *root = NULL;
 729         int i;
 730
 731         root = debugfs_create_dir(dsp->name, component->debugfs_root);
 732
 733         debugfs_create_bool("booted", 0444, root, &dsp->booted);
 734         debugfs_create_bool("running", 0444, root, &dsp->running);
 735         debugfs_create_x32("fw_id", 0444, root, &dsp->fw_id);
 736         debugfs_create_x32("fw_version", 0444, root, &dsp->fw_id_version);
 737
 738         for (i = 0; i < ARRAY_SIZE(wm_adsp_debugfs_fops); ++i)
 739                 debugfs_create_file(wm_adsp_debugfs_fops[i].name, 0444, root,
 740                                     dsp, &wm_adsp_debugfs_fops[i].fops);
 741
 742         dsp->debugfs_root = root;
 743 }
 744
 745 static void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp)
 746 {
 747         wm_adsp_debugfs_clear(dsp);
 748         debugfs_remove_recursive(dsp->debugfs_root);
 749 }
 750 #else
 751 static inline void wm_adsp2_init_debugfs(struct wm_adsp *dsp,
 752                                          struct snd_soc_component *component)
 753 {
 754 }
 755
 756 static inline void wm_adsp2_cleanup_debugfs(struct wm_adsp *dsp)
 757 {
 758 }
 759
 760 static inline void wm_adsp_debugfs_save_wmfwname(struct wm_adsp *dsp,
 761                                                  const char *s)
 762 {
 763 }
 764
 765 static inline void wm_adsp_debugfs_save_binname(struct wm_adsp *dsp,
 766                                                 const char *s)
 767 {
 768 }
 769
 770 static inline void wm_adsp_debugfs_clear(struct wm_adsp *dsp)
 771 {
 772 }
 773 #endif
 774
 775 int wm_adsp_fw_get(struct snd_kcontrol *kcontrol,
 776                    struct snd_ctl_elem_value *ucontrol)
 777 {
 778         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 779         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 780         struct wm_adsp *dsp = snd_soc_component_get_drvdata(component);
 781
 782         ucontrol->value.enumerated.item[0] = dsp[e->shift_l].fw;
 783
 784         return 0;
 785 }
 786 EXPORT_SYMBOL_GPL(wm_adsp_fw_get);
 787
 788 int wm_adsp_fw_put(struct snd_kcontrol *kcontrol,
 789                    struct snd_ctl_elem_value *ucontrol)
 790 {
 791         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 792         struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 793         struct wm_adsp *dsp = snd_soc_component_get_drvdata(component);
 794         int ret = 1;
 795
 796         if (ucontrol->value.enumerated.item[0] == dsp[e->shift_l].fw)
 797                 return 0;
 798
 799         if (ucontrol->value.enumerated.item[0] >= WM_ADSP_NUM_FW)
 800                 return -EINVAL;
 801
 802         mutex_lock(&dsp[e->shift_l].pwr_lock);
 803
 804         if (dsp[e->shift_l].booted || !list_empty(&dsp[e->shift_l].compr_list))
 805                 ret = -EBUSY;
 806         else
 807                 dsp[e->shift_l].fw = ucontrol->value.enumerated.item[0];
 808
 809         mutex_unlock(&dsp[e->shift_l].pwr_lock);
 810
 811         return ret;
 812 }
 813 EXPORT_SYMBOL_GPL(wm_adsp_fw_put);
 814
 815 const struct soc_enum wm_adsp_fw_enum[] = {
 816         SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 817         SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 818         SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 819         SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 820         SOC_ENUM_SINGLE(0, 4, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 821         SOC_ENUM_SINGLE(0, 5, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 822         SOC_ENUM_SINGLE(0, 6, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text),
 823 };
 824 EXPORT_SYMBOL_GPL(wm_adsp_fw_enum);
 825
 826 static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *dsp,
 827                                                         int type)
 828 {
 829         int i;
 830
 831         for (i = 0; i < dsp->num_mems; i++)
 832                 if (dsp->mem[i].type == type)
 833                         return &dsp->mem[i];
 834
 835         return NULL;
 836 }
 837
 838 static unsigned int wm_adsp_region_to_reg(struct wm_adsp_region const *mem,
 839                                           unsigned int offset)
 840 {
 841         switch (mem->type) {
 842         case WMFW_ADSP1_PM:
 843                 return mem->base + (offset * 3);
 844         case WMFW_ADSP1_DM:
 845         case WMFW_ADSP2_XM:
 846         case WMFW_ADSP2_YM:
 847         case WMFW_ADSP1_ZM:
 848                 return mem->base + (offset * 2);
 849         default:
 850                 WARN(1, "Unknown memory region type");
 851                 return offset;
 852         }
 853 }
 854
 855 static unsigned int wm_halo_region_to_reg(struct wm_adsp_region const *mem,
 856                                           unsigned int offset)
 857 {
 858         switch (mem->type) {
 859         case WMFW_ADSP2_XM:
 860         case WMFW_ADSP2_YM:
 861                 return mem->base + (offset * 4);
 862         case WMFW_HALO_XM_PACKED:
 863         case WMFW_HALO_YM_PACKED:
 864                 return (mem->base + (offset * 3)) & ~0x3;
 865         case WMFW_HALO_PM_PACKED:
 866                 return mem->base + (offset * 5);
 867         default:
 868                 WARN(1, "Unknown memory region type");
 869                 return offset;
 870         }
 871 }
 872
 873 static void wm_adsp_read_fw_status(struct wm_adsp *dsp,
 874                                    int noffs, unsigned int *offs)
 875 {
 876         unsigned int i;
 877         int ret;
 878
 879         for (i = 0; i < noffs; ++i) {
 880                 ret = regmap_read(dsp->regmap, dsp->base + offs[i], &offs[i]);
 881                 if (ret) {
 882                         adsp_err(dsp, "Failed to read SCRATCH%u: %d\n", i, ret);
 883                         return;
 884                 }
 885         }
 886 }
 887
 888 static void wm_adsp2_show_fw_status(struct wm_adsp *dsp)
 889 {
 890         unsigned int offs[] = {
 891                 ADSP2_SCRATCH0, ADSP2_SCRATCH1, ADSP2_SCRATCH2, ADSP2_SCRATCH3,
 892         };
 893
 894         wm_adsp_read_fw_status(dsp, ARRAY_SIZE(offs), offs);
 895
 896         adsp_dbg(dsp, "FW SCRATCH 0:0x%x 1:0x%x 2:0x%x 3:0x%x\n",
 897                  offs[0], offs[1], offs[2], offs[3]);
 898 }
 899
 900 static void wm_adsp2v2_show_fw_status(struct wm_adsp *dsp)
 901 {
 902         unsigned int offs[] = { ADSP2V2_SCRATCH0_1, ADSP2V2_SCRATCH2_3 };
 903
 904         wm_adsp_read_fw_status(dsp, ARRAY_SIZE(offs), offs);
 905
 906         adsp_dbg(dsp, "FW SCRATCH 0:0x%x 1:0x%x 2:0x%x 3:0x%x\n",
 907                  offs[0] & 0xFFFF, offs[0] >> 16,
 908                  offs[1] & 0xFFFF, offs[1] >> 16);
 909 }
 910
 911 static void wm_halo_show_fw_status(struct wm_adsp *dsp)
 912 {
 913         unsigned int offs[] = {
 914                 HALO_SCRATCH1, HALO_SCRATCH2, HALO_SCRATCH3, HALO_SCRATCH4,
 915         };
 916
 917         wm_adsp_read_fw_status(dsp, ARRAY_SIZE(offs), offs);
 918
 919         adsp_dbg(dsp, "FW SCRATCH 0:0x%x 1:0x%x 2:0x%x 3:0x%x\n",
 920                  offs[0], offs[1], offs[2], offs[3]);
 921 }
 922
 923 static inline struct wm_coeff_ctl *bytes_ext_to_ctl(struct soc_bytes_ext *ext)
 924 {
 925         return container_of(ext, struct wm_coeff_ctl, bytes_ext);
 926 }
 927
 928 static int wm_coeff_base_reg(struct wm_coeff_ctl *ctl, unsigned int *reg)
 929 {
 930         const struct wm_adsp_alg_region *alg_region = &ctl->alg_region;
 931         struct wm_adsp *dsp = ctl->dsp;
 932         const struct wm_adsp_region *mem;
 933
 934         mem = wm_adsp_find_region(dsp, alg_region->type);
 935         if (!mem) {
 936                 adsp_err(dsp, "No base for region %x\n",
 937                          alg_region->type);
 938                 return -EINVAL;
 939         }
 940
 941         *reg = dsp->ops->region_to_reg(mem, ctl->alg_region.base + ctl->offset);
 942
 943         return 0;
 944 }
 945
 946 static int wm_coeff_info(struct snd_kcontrol *kctl,
 947                          struct snd_ctl_elem_info *uinfo)
 948 {
 949         struct soc_bytes_ext *bytes_ext =
 950                 (struct soc_bytes_ext *)kctl->private_value;
 951         struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
 952
 953         switch (ctl->type) {
 954         case WMFW_CTL_TYPE_ACKED:
 955                 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
 956                 uinfo->value.integer.min = WM_ADSP_ACKED_CTL_MIN_VALUE;
 957                 uinfo->value.integer.max = WM_ADSP_ACKED_CTL_MAX_VALUE;
 958                 uinfo->value.integer.step = 1;
 959                 uinfo->count = 1;
 960                 break;
 961         default:
 962                 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 963                 uinfo->count = ctl->len;
 964                 break;
 965         }
 966
 967         return 0;
 968 }
 969
 970 static int wm_coeff_write_acked_control(struct wm_coeff_ctl *ctl,
 971                                         unsigned int event_id)
 972 {
 973         struct wm_adsp *dsp = ctl->dsp;
 974         u32 val = cpu_to_be32(event_id);
 975         unsigned int reg;
 976         int i, ret;
 977
 978         ret = wm_coeff_base_reg(ctl, &reg);
 979         if (ret)
 980                 return ret;
 981
 982         adsp_dbg(dsp, "Sending 0x%x to acked control alg 0x%x %s:0x%x\n",
 983                  event_id, ctl->alg_region.alg,
 984                  wm_adsp_mem_region_name(ctl->alg_region.type), ctl->offset);
 985
 986         ret = regmap_raw_write(dsp->regmap, reg, &val, sizeof(val));
 987         if (ret) {
 988                 adsp_err(dsp, "Failed to write %x: %d\n", reg, ret);
 989                 return ret;
 990         }
 991
 992         /*
 993          * Poll for ack, we initially poll at ~1ms intervals for firmwares
 994          * that respond quickly, then go to ~10ms polls. A firmware is unlikely
 995          * to ack instantly so we do the first 1ms delay before reading the
 996          * control to avoid a pointless bus transaction
 997          */
 998         for (i = 0; i < WM_ADSP_ACKED_CTL_TIMEOUT_MS;) {
 999                 switch (i) {
1000                 case 0 ... WM_ADSP_ACKED_CTL_N_QUICKPOLLS - 1:
1001                         usleep_range(1000, 2000);
1002                         i++;
1003                         break;
1004                 default:
1005                         usleep_range(10000, 20000);
1006                         i += 10;
1007                         break;
1008                 }
1009
1010                 ret = regmap_raw_read(dsp->regmap, reg, &val, sizeof(val));
1011                 if (ret) {
1012                         adsp_err(dsp, "Failed to read %x: %d\n", reg, ret);
1013                         return ret;
1014                 }
1015
1016                 if (val == 0) {
1017                         adsp_dbg(dsp, "Acked control ACKED at poll %u\n", i);
1018                         return 0;
1019                 }
1020         }
1021
1022         adsp_warn(dsp, "Acked control @0x%x alg:0x%x %s:0x%x timed out\n",
1023                   reg, ctl->alg_region.alg,
1024                   wm_adsp_mem_region_name(ctl->alg_region.type),
1025                   ctl->offset);
1026
1027         return -ETIMEDOUT;
1028 }
1029
1030 static int wm_coeff_write_control(struct wm_coeff_ctl *ctl,
1031                                   const void *buf, size_t len)
1032 {
1033         struct wm_adsp *dsp = ctl->dsp;
1034         void *scratch;
1035         int ret;
1036         unsigned int reg;
1037
1038         ret = wm_coeff_base_reg(ctl, &reg);
1039         if (ret)
1040                 return ret;
1041
1042         scratch = kmemdup(buf, len, GFP_KERNEL | GFP_DMA);
1043         if (!scratch)
1044                 return -ENOMEM;
1045
1046         ret = regmap_raw_write(dsp->regmap, reg, scratch,
1047                                len);
1048         if (ret) {
1049                 adsp_err(dsp, "Failed to write %zu bytes to %x: %d\n",
1050                          len, reg, ret);
1051                 kfree(scratch);
1052                 return ret;
1053         }
1054         adsp_dbg(dsp, "Wrote %zu bytes to %x\n", len, reg);
1055
1056         kfree(scratch);
1057
1058         return 0;
1059 }
1060
1061 static int wm_coeff_put(struct snd_kcontrol *kctl,
1062                         struct snd_ctl_elem_value *ucontrol)
1063 {
1064         struct soc_bytes_ext *bytes_ext =
1065                 (struct soc_bytes_ext *)kctl->private_value;
1066         struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
1067         char *p = ucontrol->value.bytes.data;
1068         int ret = 0;
1069
1070         mutex_lock(&ctl->dsp->pwr_lock);
1071
1072         if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
1073                 ret = -EPERM;
1074         else
1075                 memcpy(ctl->cache, p, ctl->len);
1076
1077         ctl->set = 1;
1078         if (ctl->enabled && ctl->dsp->running)
1079                 ret = wm_coeff_write_control(ctl, p, ctl->len);
1080
1081         mutex_unlock(&ctl->dsp->pwr_lock);
1082
1083         return ret;
1084 }
1085
1086 static int wm_coeff_tlv_put(struct snd_kcontrol *kctl,
1087                             const unsigned int __user *bytes, unsigned int size)
1088 {
1089         struct soc_bytes_ext *bytes_ext =
1090                 (struct soc_bytes_ext *)kctl->private_value;
1091         struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
1092         int ret = 0;
1093
1094         mutex_lock(&ctl->dsp->pwr_lock);
1095
1096         if (copy_from_user(ctl->cache, bytes, size)) {
1097                 ret = -EFAULT;
1098         } else {
1099                 ctl->set = 1;
1100                 if (ctl->enabled && ctl->dsp->running)
1101                         ret = wm_coeff_write_control(ctl, ctl->cache, size);
1102                 else if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
1103                         ret = -EPERM;
1104         }
1105
1106         mutex_unlock(&ctl->dsp->pwr_lock);
1107
1108         return ret;
1109 }
1110
1111 static int wm_coeff_put_acked(struct snd_kcontrol *kctl,
1112                               struct snd_ctl_elem_value *ucontrol)
1113 {
1114         struct soc_bytes_ext *bytes_ext =
1115                 (struct soc_bytes_ext *)kctl->private_value;
1116         struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
1117         unsigned int val = ucontrol->value.integer.value[0];
1118         int ret;
1119
1120         if (val == 0)
1121                 return 0;       /* 0 means no event */
1122
1123         mutex_lock(&ctl->dsp->pwr_lock);
1124
1125         if (ctl->enabled && ctl->dsp->running)
1126                 ret = wm_coeff_write_acked_control(ctl, val);
1127         else
1128                 ret = -EPERM;
1129
1130         mutex_unlock(&ctl->dsp->pwr_lock);
1131
1132         return ret;
1133 }
1134
1135 static int wm_coeff_read_control(struct wm_coeff_ctl *ctl,
1136                                  void *buf, size_t len)
1137 {
1138         struct wm_adsp *dsp = ctl->dsp;
1139         void *scratch;
1140         int ret;
1141         unsigned int reg;
1142
1143         ret = wm_coeff_base_reg(ctl, &reg);
1144         if (ret)
1145                 return ret;
1146
1147         scratch = kmalloc(len, GFP_KERNEL | GFP_DMA);
1148         if (!scratch)
1149                 return -ENOMEM;
1150
1151         ret = regmap_raw_read(dsp->regmap, reg, scratch, len);
1152         if (ret) {
1153                 adsp_err(dsp, "Failed to read %zu bytes from %x: %d\n",
1154                          len, reg, ret);
1155                 kfree(scratch);
1156                 return ret;
1157         }
1158         adsp_dbg(dsp, "Read %zu bytes from %x\n", len, reg);
1159
1160         memcpy(buf, scratch, len);
1161         kfree(scratch);
1162
1163         return 0;
1164 }
1165
1166 static int wm_coeff_get(struct snd_kcontrol *kctl,
1167                         struct snd_ctl_elem_value *ucontrol)
1168 {
1169         struct soc_bytes_ext *bytes_ext =
1170                 (struct soc_bytes_ext *)kctl->private_value;
1171         struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
1172         char *p = ucontrol->value.bytes.data;
1173         int ret = 0;
1174
1175         mutex_lock(&ctl->dsp->pwr_lock);
1176
1177         if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) {
1178                 if (ctl->enabled && ctl->dsp->running)
1179                         ret = wm_coeff_read_control(ctl, p, ctl->len);
1180                 else
1181                         ret = -EPERM;
1182         } else {
1183                 if (!ctl->flags && ctl->enabled && ctl->dsp->running)
1184                         ret = wm_coeff_read_control(ctl, ctl->cache, ctl->len);
1185
1186                 memcpy(p, ctl->cache, ctl->len);
1187         }
1188
1189         mutex_unlock(&ctl->dsp->pwr_lock);
1190
1191         return ret;
1192 }
1193
1194 static int wm_coeff_tlv_get(struct snd_kcontrol *kctl,
1195                             unsigned int __user *bytes, unsigned int size)
1196 {
1197         struct soc_bytes_ext *bytes_ext =
1198                 (struct soc_bytes_ext *)kctl->private_value;
1199         struct wm_coeff_ctl *ctl = bytes_ext_to_ctl(bytes_ext);
1200         int ret = 0;
1201
1202         mutex_lock(&ctl->dsp->pwr_lock);
1203
1204         if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) {
1205                 if (ctl->enabled && ctl->dsp->running)
1206                         ret = wm_coeff_read_control(ctl, ctl->cache, size);
1207                 else
1208                         ret = -EPERM;
1209         } else {
1210                 if (!ctl->flags && ctl->enabled && ctl->dsp->running)
1211                         ret = wm_coeff_read_control(ctl, ctl->cache, size);
1212         }
1213
1214         if (!ret && copy_to_user(bytes, ctl->cache, size))
1215                 ret = -EFAULT;
1216
1217         mutex_unlock(&ctl->dsp->pwr_lock);
1218
1219         return ret;
1220 }
1221
1222 static int wm_coeff_get_acked(struct snd_kcontrol *kcontrol,
1223                               struct snd_ctl_elem_value *ucontrol)
1224 {
1225         /*
1226          * Although it's not useful to read an acked control, we must satisfy
1227          * user-side assumptions that all controls are readable and that a
1228          * write of the same value should be filtered out (it's valid to send
1229          * the same event number again to the firmware). We therefore return 0,
1230          * meaning "no event" so valid event numbers will always be a change
1231          */
1232         ucontrol->value.integer.value[0] = 0;
1233
1234         return 0;
1235 }
1236
1237 struct wmfw_ctl_work {
1238         struct wm_adsp *dsp;
1239         struct wm_coeff_ctl *ctl;
1240         struct work_struct work;
1241 };
1242
1243 static unsigned int wmfw_convert_flags(unsigned int in, unsigned int len)
1244 {
1245         unsigned int out, rd, wr, vol;
1246
1247         if (len > ADSP_MAX_STD_CTRL_SIZE) {
1248                 rd = SNDRV_CTL_ELEM_ACCESS_TLV_READ;
1249                 wr = SNDRV_CTL_ELEM_ACCESS_TLV_WRITE;
1250                 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE;
1251
1252                 out = SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
1253         } else {
1254                 rd = SNDRV_CTL_ELEM_ACCESS_READ;
1255                 wr = SNDRV_CTL_ELEM_ACCESS_WRITE;
1256                 vol = SNDRV_CTL_ELEM_ACCESS_VOLATILE;
1257
1258                 out = 0;
1259         }
1260
1261         if (in) {
1262                 out |= rd;
1263                 if (in & WMFW_CTL_FLAG_WRITEABLE)
1264                         out |= wr;
1265                 if (in & WMFW_CTL_FLAG_VOLATILE)
1266                         out |= vol;
1267         } else {
1268                 out |= rd | wr | vol;
1269         }
1270
1271         return out;
1272 }
1273
1274 static int wmfw_add_ctl(struct wm_adsp *dsp, struct wm_coeff_ctl *ctl)
1275 {
1276         struct snd_kcontrol_new *kcontrol;
1277         int ret;
1278
1279         if (!ctl || !ctl->name)
1280                 return -EINVAL;
1281
1282         kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL);
1283         if (!kcontrol)
1284                 return -ENOMEM;
1285
1286         kcontrol->name = ctl->name;
1287         kcontrol->info = wm_coeff_info;
1288         kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER;
1289         kcontrol->tlv.c = snd_soc_bytes_tlv_callback;
1290         kcontrol->private_value = (unsigned long)&ctl->bytes_ext;
1291         kcontrol->access = wmfw_convert_flags(ctl->flags, ctl->len);
1292
1293         switch (ctl->type) {
1294         case WMFW_CTL_TYPE_ACKED:
1295                 kcontrol->get = wm_coeff_get_acked;
1296                 kcontrol->put = wm_coeff_put_acked;
1297                 break;
1298         default:
1299                 if (kcontrol->access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
1300                         ctl->bytes_ext.max = ctl->len;
1301                         ctl->bytes_ext.get = wm_coeff_tlv_get;
1302                         ctl->bytes_ext.put = wm_coeff_tlv_put;
1303                 } else {
1304                         kcontrol->get = wm_coeff_get;
1305                         kcontrol->put = wm_coeff_put;
1306                 }
1307                 break;
1308         }
1309
1310         ret = snd_soc_add_component_controls(dsp->component, kcontrol, 1);
1311         if (ret < 0)
1312                 goto err_kcontrol;
1313
1314         kfree(kcontrol);
1315
1316         return 0;
1317
1318 err_kcontrol:
1319         kfree(kcontrol);
1320         return ret;
1321 }
1322
1323 static int wm_coeff_init_control_caches(struct wm_adsp *dsp)
1324 {
1325         struct wm_coeff_ctl *ctl;
1326         int ret;
1327
1328         list_for_each_entry(ctl, &dsp->ctl_list, list) {
1329                 if (!ctl->enabled || ctl->set)
1330                         continue;
1331                 if (ctl->flags & WMFW_CTL_FLAG_VOLATILE)
1332                         continue;
1333
1334                 /*
1335                  * For readable controls populate the cache from the DSP memory.
1336                  * For non-readable controls the cache was zero-filled when
1337                  * created so we don't need to do anything.
1338                  */
1339                 if (!ctl->flags || (ctl->flags & WMFW_CTL_FLAG_READABLE)) {
1340                         ret = wm_coeff_read_control(ctl, ctl->cache, ctl->len);
1341                         if (ret < 0)
1342                                 return ret;
1343                 }
1344         }
1345
1346         return 0;
1347 }
1348
1349 static int wm_coeff_sync_controls(struct wm_adsp *dsp)
1350 {
1351         struct wm_coeff_ctl *ctl;
1352         int ret;
1353
1354         list_for_each_entry(ctl, &dsp->ctl_list, list) {
1355                 if (!ctl->enabled)
1356                         continue;
1357                 if (ctl->set && !(ctl->flags & WMFW_CTL_FLAG_VOLATILE)) {
1358                         ret = wm_coeff_write_control(ctl, ctl->cache, ctl->len);
1359                         if (ret < 0)
1360                                 return ret;
1361                 }
1362         }
1363
1364         return 0;
1365 }
1366
1367 static void wm_adsp_signal_event_controls(struct wm_adsp *dsp,
1368                                           unsigned int event)
1369 {
1370         struct wm_coeff_ctl *ctl;
1371         int ret;
1372
1373         list_for_each_entry(ctl, &dsp->ctl_list, list) {
1374                 if (ctl->type != WMFW_CTL_TYPE_HOSTEVENT)
1375                         continue;
1376
1377                 if (!ctl->enabled)
1378                         continue;
1379
1380                 ret = wm_coeff_write_acked_control(ctl, event);
1381                 if (ret)
1382                         adsp_warn(dsp,
1383                                   "Failed to send 0x%x event to alg 0x%x (%d)\n",
1384                                   event, ctl->alg_region.alg, ret);
1385         }
1386 }
1387
1388 static void wm_adsp_ctl_work(struct work_struct *work)
1389 {
1390         struct wmfw_ctl_work *ctl_work = container_of(work,
1391                                                       struct wmfw_ctl_work,
1392                                                       work);
1393
1394         wmfw_add_ctl(ctl_work->dsp, ctl_work->ctl);
1395         kfree(ctl_work);
1396 }
1397
1398 static void wm_adsp_free_ctl_blk(struct wm_coeff_ctl *ctl)
1399 {
1400         kfree(ctl->cache);
1401         kfree(ctl->name);
1402         kfree(ctl);
1403 }
1404
1405 static int wm_adsp_create_control(struct wm_adsp *dsp,
1406                                   const struct wm_adsp_alg_region *alg_region,
1407                                   unsigned int offset, unsigned int len,
1408                                   const char *subname, unsigned int subname_len,
1409                                   unsigned int flags, unsigned int type)
1410 {
1411         struct wm_coeff_ctl *ctl;
1412         struct wmfw_ctl_work *ctl_work;
1413         char name[SNDRV_CTL_ELEM_ID_NAME_MAXLEN];
1414         const char *region_name;
1415         int ret;
1416
1417         region_name = wm_adsp_mem_region_name(alg_region->type);
1418         if (!region_name) {
1419                 adsp_err(dsp, "Unknown region type: %d\n", alg_region->type);
1420                 return -EINVAL;
1421         }
1422
1423         switch (dsp->fw_ver) {
1424         case 0:
1425         case 1:
1426                 snprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "%s %s %x",
1427                          dsp->name, region_name, alg_region->alg);
1428                 subname = NULL; /* don't append subname */
1429                 break;
1430         case 2:
1431                 ret = snprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
1432                                 "%s%c %.12s %x", dsp->name, *region_name,
1433                                 wm_adsp_fw_text[dsp->fw], alg_region->alg);
1434                 break;
1435         default:
1436                 ret = snprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN,
1437                                 "%s %.12s %x", dsp->name,
1438                                 wm_adsp_fw_text[dsp->fw], alg_region->alg);
1439                 break;
1440         }
1441
1442         if (subname) {
1443                 int avail = SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret - 2;
1444                 int skip = 0;
1445
1446                 if (dsp->component->name_prefix)
1447                         avail -= strlen(dsp->component->name_prefix) + 1;
1448
1449                 /* Truncate the subname from the start if it is too long */
1450                 if (subname_len > avail)
1451                         skip = subname_len - avail;
1452
1453                 snprintf(name + ret, SNDRV_CTL_ELEM_ID_NAME_MAXLEN - ret,
1454                          " %.*s", subname_len - skip, subname + skip);
1455         }
1456
1457         list_for_each_entry(ctl, &dsp->ctl_list, list) {
1458                 if (!strcmp(ctl->name, name)) {
1459                         if (!ctl->enabled)
1460                                 ctl->enabled = 1;
1461                         return 0;
1462                 }
1463         }
1464
1465         ctl = kzalloc(sizeof(*ctl), GFP_KERNEL);
1466         if (!ctl)
1467                 return -ENOMEM;
1468         ctl->fw_name = wm_adsp_fw_text[dsp->fw];
1469         ctl->alg_region = *alg_region;
1470         ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL);
1471         if (!ctl->name) {
1472                 ret = -ENOMEM;
1473                 goto err_ctl;
1474         }
1475         ctl->enabled = 1;
1476         ctl->set = 0;
1477         ctl->ops.xget = wm_coeff_get;
1478         ctl->ops.xput = wm_coeff_put;
1479         ctl->dsp = dsp;
1480
1481         ctl->flags = flags;
1482         ctl->type = type;
1483         ctl->offset = offset;
1484         ctl->len = len;
1485         ctl->cache = kzalloc(ctl->len, GFP_KERNEL);
1486         if (!ctl->cache) {
1487                 ret = -ENOMEM;
1488                 goto err_ctl_name;
1489         }
1490
1491         list_add(&ctl->list, &dsp->ctl_list);
1492
1493         if (flags & WMFW_CTL_FLAG_SYS)
1494                 return 0;
1495
1496         ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL);
1497         if (!ctl_work) {
1498                 ret = -ENOMEM;
1499                 goto err_list_del;
1500         }
1501
1502         ctl_work->dsp = dsp;
1503         ctl_work->ctl = ctl;
1504         INIT_WORK(&ctl_work->work, wm_adsp_ctl_work);
1505         schedule_work(&ctl_work->work);
1506
1507         return 0;
1508
1509 err_list_del:
1510         list_del(&ctl->list);
1511         kfree(ctl->cache);
1512 err_ctl_name:
1513         kfree(ctl->name);
1514 err_ctl:
1515         kfree(ctl);
1516
1517         return ret;
1518 }
1519
1520 struct wm_coeff_parsed_alg {
1521         int id;
1522         const u8 *name;
1523         int name_len;
1524         int ncoeff;
1525 };
1526
1527 struct wm_coeff_parsed_coeff {
1528         int offset;
1529         int mem_type;
1530         const u8 *name;
1531         int name_len;
1532         int ctl_type;
1533         int flags;
1534         int len;
1535 };
1536
1537 static int wm_coeff_parse_string(int bytes, const u8 **pos, const u8 **str)
1538 {
1539         int length;
1540
1541         switch (bytes) {
1542         case 1:
1543                 length = **pos;
1544                 break;
1545         case 2:
1546                 length = le16_to_cpu(*((__le16 *)*pos));
1547                 break;
1548         default:
1549                 return 0;
1550         }
1551
1552         if (str)
1553                 *str = *pos + bytes;
1554
1555         *pos += ((length + bytes) + 3) & ~0x03;
1556
1557         return length;
1558 }
1559
1560 static int wm_coeff_parse_int(int bytes, const u8 **pos)
1561 {
1562         int val = 0;
1563
1564         switch (bytes) {
1565         case 2:
1566                 val = le16_to_cpu(*((__le16 *)*pos));
1567                 break;
1568         case 4:
1569                 val = le32_to_cpu(*((__le32 *)*pos));
1570                 break;
1571         default:
1572                 break;
1573         }
1574
1575         *pos += bytes;
1576
1577         return val;
1578 }
1579
1580 static inline void wm_coeff_parse_alg(struct wm_adsp *dsp, const u8 **data,
1581                                       struct wm_coeff_parsed_alg *blk)
1582 {
1583         const struct wmfw_adsp_alg_data *raw;
1584
1585         switch (dsp->fw_ver) {
1586         case 0:
1587         case 1:
1588                 raw = (const struct wmfw_adsp_alg_data *)*data;
1589                 *data = raw->data;
1590
1591                 blk->id = le32_to_cpu(raw->id);
1592                 blk->name = raw->name;
1593                 blk->name_len = strlen(raw->name);
1594                 blk->ncoeff = le32_to_cpu(raw->ncoeff);
1595                 break;
1596         default:
1597                 blk->id = wm_coeff_parse_int(sizeof(raw->id), data);
1598                 blk->name_len = wm_coeff_parse_string(sizeof(u8), data,
1599                                                       &blk->name);
1600                 wm_coeff_parse_string(sizeof(u16), data, NULL);
1601                 blk->ncoeff = wm_coeff_parse_int(sizeof(raw->ncoeff), data);
1602                 break;
1603         }
1604
1605         adsp_dbg(dsp, "Algorithm ID: %#x\n", blk->id);
1606         adsp_dbg(dsp, "Algorithm name: %.*s\n", blk->name_len, blk->name);
1607         adsp_dbg(dsp, "# of coefficient descriptors: %#x\n", blk->ncoeff);
1608 }
1609
1610 static inline void wm_coeff_parse_coeff(struct wm_adsp *dsp, const u8 **data,
1611                                         struct wm_coeff_parsed_coeff *blk)
1612 {
1613         const struct wmfw_adsp_coeff_data *raw;
1614         const u8 *tmp;
1615         int length;
1616
1617         switch (dsp->fw_ver) {
1618         case 0:
1619         case 1:
1620                 raw = (const struct wmfw_adsp_coeff_data *)*data;
1621                 *data = *data + sizeof(raw->hdr) + le32_to_cpu(raw->hdr.size);
1622
1623                 blk->offset = le16_to_cpu(raw->hdr.offset);
1624                 blk->mem_type = le16_to_cpu(raw->hdr.type);
1625                 blk->name = raw->name;
1626                 blk->name_len = strlen(raw->name);
1627                 blk->ctl_type = le16_to_cpu(raw->ctl_type);
1628                 blk->flags = le16_to_cpu(raw->flags);
1629                 blk->len = le32_to_cpu(raw->len);
1630                 break;
1631         default:
1632                 tmp = *data;
1633                 blk->offset = wm_coeff_parse_int(sizeof(raw->hdr.offset), &tmp);
1634                 blk->mem_type = wm_coeff_parse_int(sizeof(raw->hdr.type), &tmp);
1635                 length = wm_coeff_parse_int(sizeof(raw->hdr.size), &tmp);
1636                 blk->name_len = wm_coeff_parse_string(sizeof(u8), &tmp,
1637                                                       &blk->name);
1638                 wm_coeff_parse_string(sizeof(u8), &tmp, NULL);
1639                 wm_coeff_parse_string(sizeof(u16), &tmp, NULL);
1640                 blk->ctl_type = wm_coeff_parse_int(sizeof(raw->ctl_type), &tmp);
1641                 blk->flags = wm_coeff_parse_int(sizeof(raw->flags), &tmp);
1642                 blk->len = wm_coeff_parse_int(sizeof(raw->len), &tmp);
1643
1644                 *data = *data + sizeof(raw->hdr) + length;
1645                 break;
1646         }
1647
1648         adsp_dbg(dsp, "\tCoefficient type: %#x\n", blk->mem_type);
1649         adsp_dbg(dsp, "\tCoefficient offset: %#x\n", blk->offset);
1650         adsp_dbg(dsp, "\tCoefficient name: %.*s\n", blk->name_len, blk->name);
1651         adsp_dbg(dsp, "\tCoefficient flags: %#x\n", blk->flags);
1652         adsp_dbg(dsp, "\tALSA control type: %#x\n", blk->ctl_type);
1653         adsp_dbg(dsp, "\tALSA control len: %#x\n", blk->len);
1654 }
1655
1656 static int wm_adsp_check_coeff_flags(struct wm_adsp *dsp,
1657                                 const struct wm_coeff_parsed_coeff *coeff_blk,
1658                                 unsigned int f_required,
1659                                 unsigned int f_illegal)
1660 {
1661         if ((coeff_blk->flags & f_illegal) ||
1662             ((coeff_blk->flags & f_required) != f_required)) {
1663                 adsp_err(dsp, "Illegal flags 0x%x for control type 0x%x\n",
1664                          coeff_blk->flags, coeff_blk->ctl_type);
1665                 return -EINVAL;
1666         }
1667
1668         return 0;
1669 }
1670
1671 static int wm_adsp_parse_coeff(struct wm_adsp *dsp,
1672                                const struct wmfw_region *region)
1673 {
1674         struct wm_adsp_alg_region alg_region = {};
1675         struct wm_coeff_parsed_alg alg_blk;
1676         struct wm_coeff_parsed_coeff coeff_blk;
1677         const u8 *data = region->data;
1678         int i, ret;
1679
1680         wm_coeff_parse_alg(dsp, &data, &alg_blk);
1681         for (i = 0; i < alg_blk.ncoeff; i++) {
1682                 wm_coeff_parse_coeff(dsp, &data, &coeff_blk);
1683
1684                 switch (coeff_blk.ctl_type) {
1685                 case SNDRV_CTL_ELEM_TYPE_BYTES:
1686                         break;
1687                 case WMFW_CTL_TYPE_ACKED:
1688                         if (coeff_blk.flags & WMFW_CTL_FLAG_SYS)
1689                                 continue;       /* ignore */
1690
1691                         ret = wm_adsp_check_coeff_flags(dsp, &coeff_blk,
1692                                                 WMFW_CTL_FLAG_VOLATILE |
1693                                                 WMFW_CTL_FLAG_WRITEABLE |
1694                                                 WMFW_CTL_FLAG_READABLE,
1695                                                 0);
1696                         if (ret)
1697                                 return -EINVAL;
1698                         break;
1699                 case WMFW_CTL_TYPE_HOSTEVENT:
1700                         ret = wm_adsp_check_coeff_flags(dsp, &coeff_blk,
1701                                                 WMFW_CTL_FLAG_SYS |
1702                                                 WMFW_CTL_FLAG_VOLATILE |
1703                                                 WMFW_CTL_FLAG_WRITEABLE |
1704                                                 WMFW_CTL_FLAG_READABLE,
1705                                                 0);
1706                         if (ret)
1707                                 return -EINVAL;
1708                         break;
1709                 case WMFW_CTL_TYPE_HOST_BUFFER:
1710                         ret = wm_adsp_check_coeff_flags(dsp, &coeff_blk,
1711                                                 WMFW_CTL_FLAG_SYS |
1712                                                 WMFW_CTL_FLAG_VOLATILE |
1713                                                 WMFW_CTL_FLAG_READABLE,
1714                                                 0);
1715                         if (ret)
1716                                 return -EINVAL;
1717                         break;
1718                 default:
1719                         adsp_err(dsp, "Unknown control type: %d\n",
1720                                  coeff_blk.ctl_type);
1721                         return -EINVAL;
1722                 }
1723
1724                 alg_region.type = coeff_blk.mem_type;
1725                 alg_region.alg = alg_blk.id;
1726
1727                 ret = wm_adsp_create_control(dsp, &alg_region,
1728                                              coeff_blk.offset,
1729                                              coeff_blk.len,
1730                                              coeff_blk.name,
1731                                              coeff_blk.name_len,
1732                                              coeff_blk.flags,
1733                                              coeff_blk.ctl_type);
1734                 if (ret < 0)
1735                         adsp_err(dsp, "Failed to create control: %.*s, %d\n",
1736                                  coeff_blk.name_len, coeff_blk.name, ret);
1737         }
1738
1739         return 0;
1740 }
1741
1742 static unsigned int wm_adsp1_parse_sizes(struct wm_adsp *dsp,
1743                                          const char * const file,
1744                                          unsigned int pos,
1745                                          const struct firmware *firmware)
1746 {
1747         const struct wmfw_adsp1_sizes *adsp1_sizes;
1748
1749         adsp1_sizes = (void *)&firmware->data[pos];
1750
1751         adsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n", file,
1752                  le32_to_cpu(adsp1_sizes->dm), le32_to_cpu(adsp1_sizes->pm),
1753                  le32_to_cpu(adsp1_sizes->zm));
1754
1755         return pos + sizeof(*adsp1_sizes);
1756 }
1757
1758 static unsigned int wm_adsp2_parse_sizes(struct wm_adsp *dsp,
1759                                          const char * const file,
1760                                          unsigned int pos,
1761                                          const struct firmware *firmware)
1762 {
1763         const struct wmfw_adsp2_sizes *adsp2_sizes;
1764
1765         adsp2_sizes = (void *)&firmware->data[pos];
1766
1767         adsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n", file,
1768                  le32_to_cpu(adsp2_sizes->xm), le32_to_cpu(adsp2_sizes->ym),
1769                  le32_to_cpu(adsp2_sizes->pm), le32_to_cpu(adsp2_sizes->zm));
1770
1771         return pos + sizeof(*adsp2_sizes);
1772 }
1773
1774 static bool wm_adsp_validate_version(struct wm_adsp *dsp, unsigned int version)
1775 {
1776         switch (version) {
1777         case 0:
1778                 adsp_warn(dsp, "Deprecated file format %d\n", version);
1779                 return true;
1780         case 1:
1781         case 2:
1782                 return true;
1783         default:
1784                 return false;
1785         }
1786 }
1787
1788 static bool wm_halo_validate_version(struct wm_adsp *dsp, unsigned int version)
1789 {
1790         switch (version) {
1791         case 3:
1792                 return true;
1793         default:
1794                 return false;
1795         }
1796 }
1797
1798 static int wm_adsp_load(struct wm_adsp *dsp)
1799 {
1800         LIST_HEAD(buf_list);
1801         const struct firmware *firmware;
1802         struct regmap *regmap = dsp->regmap;
1803         unsigned int pos = 0;
1804         const struct wmfw_header *header;
1805         const struct wmfw_adsp1_sizes *adsp1_sizes;
1806         const struct wmfw_footer *footer;
1807         const struct wmfw_region *region;
1808         const struct wm_adsp_region *mem;
1809         const char *region_name;
1810         char *file, *text = NULL;
1811         struct wm_adsp_buf *buf;
1812         unsigned int reg;
1813         int regions = 0;
1814         int ret, offset, type;
1815
1816         file = kzalloc(PAGE_SIZE, GFP_KERNEL);
1817         if (file == NULL)
1818                 return -ENOMEM;
1819
1820         snprintf(file, PAGE_SIZE, "%s-%s-%s.wmfw", dsp->part, dsp->fwf_name,
1821                  wm_adsp_fw[dsp->fw].file);
1822         file[PAGE_SIZE - 1] = '\0';
1823
1824         ret = reject_firmware(&firmware, file, dsp->dev);
1825         if (ret != 0) {
1826                 adsp_err(dsp, "Failed to request '%s'\n", file);
1827                 goto out;
1828         }
1829         ret = -EINVAL;
1830
1831         pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer);
1832         if (pos >= firmware->size) {
1833                 adsp_err(dsp, "%s: file too short, %zu bytes\n",
1834                          file, firmware->size);
1835                 goto out_fw;
1836         }
1837
1838         header = (void *)&firmware->data[0];
1839
1840         if (memcmp(&header->magic[0], "WMFW", 4) != 0) {
1841                 adsp_err(dsp, "%s: invalid magic\n", file);
1842                 goto out_fw;
1843         }
1844
1845         if (!dsp->ops->validate_version(dsp, header->ver)) {
1846                 adsp_err(dsp, "%s: unknown file format %d\n",
1847                          file, header->ver);
1848                 goto out_fw;
1849         }
1850
1851         adsp_info(dsp, "Firmware version: %d\n", header->ver);
1852         dsp->fw_ver = header->ver;
1853
1854         if (header->core != dsp->type) {
1855                 adsp_err(dsp, "%s: invalid core %d != %d\n",
1856                          file, header->core, dsp->type);
1857                 goto out_fw;
1858         }
1859
1860         pos = sizeof(*header);
1861         pos = dsp->ops->parse_sizes(dsp, file, pos, firmware);
1862
1863         footer = (void *)&firmware->data[pos];
1864         pos += sizeof(*footer);
1865
1866         if (le32_to_cpu(header->len) != pos) {
1867                 adsp_err(dsp, "%s: unexpected header length %d\n",
1868                          file, le32_to_cpu(header->len));
1869                 goto out_fw;
1870         }
1871
1872         adsp_dbg(dsp, "%s: timestamp %llu\n", file,
1873                  le64_to_cpu(footer->timestamp));
1874
1875         while (pos < firmware->size &&
1876                sizeof(*region) < firmware->size - pos) {
1877                 region = (void *)&(firmware->data[pos]);
1878                 region_name = "Unknown";
1879                 reg = 0;
1880                 text = NULL;
1881                 offset = le32_to_cpu(region->offset) & 0xffffff;
1882                 type = be32_to_cpu(region->type) & 0xff;
1883
1884                 switch (type) {
1885                 case WMFW_NAME_TEXT:
1886                         region_name = "Firmware name";
1887                         text = kzalloc(le32_to_cpu(region->len) + 1,
1888                                        GFP_KERNEL);
1889                         break;
1890                 case WMFW_ALGORITHM_DATA:
1891                         region_name = "Algorithm";
1892                         ret = wm_adsp_parse_coeff(dsp, region);
1893                         if (ret != 0)
1894                                 goto out_fw;
1895                         break;
1896                 case WMFW_INFO_TEXT:
1897                         region_name = "Information";
1898                         text = kzalloc(le32_to_cpu(region->len) + 1,
1899                                        GFP_KERNEL);
1900                         break;
1901                 case WMFW_ABSOLUTE:
1902                         region_name = "Absolute";
1903                         reg = offset;
1904                         break;
1905                 case WMFW_ADSP1_PM:
1906                 case WMFW_ADSP1_DM:
1907                 case WMFW_ADSP2_XM:
1908                 case WMFW_ADSP2_YM:
1909                 case WMFW_ADSP1_ZM:
1910                 case WMFW_HALO_PM_PACKED:
1911                 case WMFW_HALO_XM_PACKED:
1912                 case WMFW_HALO_YM_PACKED:
1913                         mem = wm_adsp_find_region(dsp, type);
1914                         if (!mem) {
1915                                 adsp_err(dsp, "No region of type: %x\n", type);
1916                                 ret = -EINVAL;
1917                                 goto out_fw;
1918                         }
1919
1920                         region_name = wm_adsp_mem_region_name(type);
1921                         reg = dsp->ops->region_to_reg(mem, offset);
1922                         break;
1923                 default:
1924                         adsp_warn(dsp,
1925                                   "%s.%d: Unknown region type %x at %d(%x)\n",
1926                                   file, regions, type, pos, pos);
1927                         break;
1928                 }
1929
1930                 adsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file,
1931                          regions, le32_to_cpu(region->len), offset,
1932                          region_name);
1933
1934                 if (le32_to_cpu(region->len) >
1935                     firmware->size - pos - sizeof(*region)) {
1936                         adsp_err(dsp,
1937                                  "%s.%d: %s region len %d bytes exceeds file length %zu\n",
1938                                  file, regions, region_name,
1939                                  le32_to_cpu(region->len), firmware->size);
1940                         ret = -EINVAL;
1941                         goto out_fw;
1942                 }
1943
1944                 if (text) {
1945                         memcpy(text, region->data, le32_to_cpu(region->len));
1946                         adsp_info(dsp, "%s: %s\n", file, text);
1947                         kfree(text);
1948                         text = NULL;
1949                 }
1950
1951                 if (reg) {
1952                         buf = wm_adsp_buf_alloc(region->data,
1953                                                 le32_to_cpu(region->len),
1954                                                 &buf_list);
1955                         if (!buf) {
1956                                 adsp_err(dsp, "Out of memory\n");
1957                                 ret = -ENOMEM;
1958                                 goto out_fw;
1959                         }
1960
1961                         ret = regmap_raw_write_async(regmap, reg, buf->buf,
1962                                                      le32_to_cpu(region->len));
1963                         if (ret != 0) {
1964                                 adsp_err(dsp,
1965                                         "%s.%d: Failed to write %d bytes at %d in %s: %d\n",
1966                                         file, regions,
1967                                         le32_to_cpu(region->len), offset,
1968                                         region_name, ret);
1969                                 goto out_fw;
1970                         }
1971                 }
1972
1973                 pos += le32_to_cpu(region->len) + sizeof(*region);
1974                 regions++;
1975         }
1976
1977         ret = regmap_async_complete(regmap);
1978         if (ret != 0) {
1979                 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
1980                 goto out_fw;
1981         }
1982
1983         if (pos > firmware->size)
1984                 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
1985                           file, regions, pos - firmware->size);
1986
1987         wm_adsp_debugfs_save_wmfwname(dsp, file);
1988
1989 out_fw:
1990         regmap_async_complete(regmap);
1991         wm_adsp_buf_free(&buf_list);
1992         release_firmware(firmware);
1993         kfree(text);
1994 out:
1995         kfree(file);
1996
1997         return ret;
1998 }
1999
2000 static void wm_adsp_ctl_fixup_base(struct wm_adsp *dsp,
2001                                   const struct wm_adsp_alg_region *alg_region)
2002 {
2003         struct wm_coeff_ctl *ctl;
2004
2005         list_for_each_entry(ctl, &dsp->ctl_list, list) {
2006                 if (ctl->fw_name == wm_adsp_fw_text[dsp->fw] &&
2007                     alg_region->alg == ctl->alg_region.alg &&
2008                     alg_region->type == ctl->alg_region.type) {
2009                         ctl->alg_region.base = alg_region->base;
2010                 }
2011         }
2012 }
2013
2014 static void *wm_adsp_read_algs(struct wm_adsp *dsp, size_t n_algs,
2015                                const struct wm_adsp_region *mem,
2016                                unsigned int pos, unsigned int len)
2017 {
2018         void *alg;
2019         unsigned int reg;
2020         int ret;
2021         __be32 val;
2022
2023         if (n_algs == 0) {
2024                 adsp_err(dsp, "No algorithms\n");
2025                 return ERR_PTR(-EINVAL);
2026         }
2027
2028         if (n_algs > 1024) {
2029                 adsp_err(dsp, "Algorithm count %zx excessive\n", n_algs);
2030                 return ERR_PTR(-EINVAL);
2031         }
2032
2033         /* Read the terminator first to validate the length */
2034         reg = dsp->ops->region_to_reg(mem, pos + len);
2035
2036         ret = regmap_raw_read(dsp->regmap, reg, &val, sizeof(val));
2037         if (ret != 0) {
2038                 adsp_err(dsp, "Failed to read algorithm list end: %d\n",
2039                         ret);
2040                 return ERR_PTR(ret);
2041         }
2042
2043         if (be32_to_cpu(val) != 0xbedead)
2044                 adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbedead\n",
2045                           reg, be32_to_cpu(val));
2046
2047         /* Convert length from DSP words to bytes */
2048         len *= sizeof(u32);
2049
2050         alg = kzalloc(len, GFP_KERNEL | GFP_DMA);
2051         if (!alg)
2052                 return ERR_PTR(-ENOMEM);
2053
2054         reg = dsp->ops->region_to_reg(mem, pos);
2055
2056         ret = regmap_raw_read(dsp->regmap, reg, alg, len);
2057         if (ret != 0) {
2058                 adsp_err(dsp, "Failed to read algorithm list: %d\n", ret);
2059                 kfree(alg);
2060                 return ERR_PTR(ret);
2061         }
2062
2063         return alg;
2064 }
2065
2066 static struct wm_adsp_alg_region *
2067         wm_adsp_find_alg_region(struct wm_adsp *dsp, int type, unsigned int id)
2068 {
2069         struct wm_adsp_alg_region *alg_region;
2070
2071         list_for_each_entry(alg_region, &dsp->alg_regions, list) {
2072                 if (id == alg_region->alg && type == alg_region->type)
2073                         return alg_region;
2074         }
2075
2076         return NULL;
2077 }
2078
2079 static struct wm_adsp_alg_region *wm_adsp_create_region(struct wm_adsp *dsp,
2080                                                         int type, __be32 id,
2081                                                         __be32 base)
2082 {
2083         struct wm_adsp_alg_region *alg_region;
2084
2085         alg_region = kzalloc(sizeof(*alg_region), GFP_KERNEL);
2086         if (!alg_region)
2087                 return ERR_PTR(-ENOMEM);
2088
2089         alg_region->type = type;
2090         alg_region->alg = be32_to_cpu(id);
2091         alg_region->base = be32_to_cpu(base);
2092
2093         list_add_tail(&alg_region->list, &dsp->alg_regions);
2094
2095         if (dsp->fw_ver > 0)
2096                 wm_adsp_ctl_fixup_base(dsp, alg_region);
2097
2098         return alg_region;
2099 }
2100
2101 static void wm_adsp_free_alg_regions(struct wm_adsp *dsp)
2102 {
2103         struct wm_adsp_alg_region *alg_region;
2104
2105         while (!list_empty(&dsp->alg_regions)) {
2106                 alg_region = list_first_entry(&dsp->alg_regions,
2107                                               struct wm_adsp_alg_region,
2108                                               list);
2109                 list_del(&alg_region->list);
2110                 kfree(alg_region);
2111         }
2112 }
2113
2114 static void wmfw_parse_id_header(struct wm_adsp *dsp,
2115                                  struct wmfw_id_hdr *fw, int nalgs)
2116 {
2117         dsp->fw_id = be32_to_cpu(fw->id);
2118         dsp->fw_id_version = be32_to_cpu(fw->ver);
2119
2120         adsp_info(dsp, "Firmware: %x v%d.%d.%d, %d algorithms\n",
2121                   dsp->fw_id, (dsp->fw_id_version & 0xff0000) >> 16,
2122                   (dsp->fw_id_version & 0xff00) >> 8, dsp->fw_id_version & 0xff,
2123                   nalgs);
2124 }
2125
2126 static void wmfw_v3_parse_id_header(struct wm_adsp *dsp,
2127                                     struct wmfw_v3_id_hdr *fw, int nalgs)
2128 {
2129         dsp->fw_id = be32_to_cpu(fw->id);
2130         dsp->fw_id_version = be32_to_cpu(fw->ver);
2131         dsp->fw_vendor_id = be32_to_cpu(fw->vendor_id);
2132
2133         adsp_info(dsp, "Firmware: %x vendor: 0x%x v%d.%d.%d, %d algorithms\n",
2134                   dsp->fw_id, dsp->fw_vendor_id,
2135                   (dsp->fw_id_version & 0xff0000) >> 16,
2136                   (dsp->fw_id_version & 0xff00) >> 8, dsp->fw_id_version & 0xff,
2137                   nalgs);
2138 }
2139
2140 static int wm_adsp_create_regions(struct wm_adsp *dsp, __be32 id, int nregions,
2141                                 int *type, __be32 *base)
2142 {
2143         struct wm_adsp_alg_region *alg_region;
2144         int i;
2145
2146         for (i = 0; i < nregions; i++) {
2147                 alg_region = wm_adsp_create_region(dsp, type[i], id, base[i]);
2148                 if (IS_ERR(alg_region))
2149                         return PTR_ERR(alg_region);
2150         }
2151
2152         return 0;
2153 }
2154
2155 static int wm_adsp1_setup_algs(struct wm_adsp *dsp)
2156 {
2157         struct wmfw_adsp1_id_hdr adsp1_id;
2158         struct wmfw_adsp1_alg_hdr *adsp1_alg;
2159         struct wm_adsp_alg_region *alg_region;
2160         const struct wm_adsp_region *mem;
2161         unsigned int pos, len;
2162         size_t n_algs;
2163         int i, ret;
2164
2165         mem = wm_adsp_find_region(dsp, WMFW_ADSP1_DM);
2166         if (WARN_ON(!mem))
2167                 return -EINVAL;
2168
2169         ret = regmap_raw_read(dsp->regmap, mem->base, &adsp1_id,
2170                               sizeof(adsp1_id));
2171         if (ret != 0) {
2172                 adsp_err(dsp, "Failed to read algorithm info: %d\n",
2173                          ret);
2174                 return ret;
2175         }
2176
2177         n_algs = be32_to_cpu(adsp1_id.n_algs);
2178
2179         wmfw_parse_id_header(dsp, &adsp1_id.fw, n_algs);
2180
2181         alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_ZM,
2182                                            adsp1_id.fw.id, adsp1_id.zm);
2183         if (IS_ERR(alg_region))
2184                 return PTR_ERR(alg_region);
2185
2186         alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_DM,
2187                                            adsp1_id.fw.id, adsp1_id.dm);
2188         if (IS_ERR(alg_region))
2189                 return PTR_ERR(alg_region);
2190
2191         /* Calculate offset and length in DSP words */
2192         pos = sizeof(adsp1_id) / sizeof(u32);
2193         len = (sizeof(*adsp1_alg) * n_algs) / sizeof(u32);
2194
2195         adsp1_alg = wm_adsp_read_algs(dsp, n_algs, mem, pos, len);
2196         if (IS_ERR(adsp1_alg))
2197                 return PTR_ERR(adsp1_alg);
2198
2199         for (i = 0; i < n_algs; i++) {
2200                 adsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n",
2201                           i, be32_to_cpu(adsp1_alg[i].alg.id),
2202                           (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16,
2203                           (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8,
2204                           be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff,
2205                           be32_to_cpu(adsp1_alg[i].dm),
2206                           be32_to_cpu(adsp1_alg[i].zm));
2207
2208                 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_DM,
2209                                                    adsp1_alg[i].alg.id,
2210                                                    adsp1_alg[i].dm);
2211                 if (IS_ERR(alg_region)) {
2212                         ret = PTR_ERR(alg_region);
2213                         goto out;
2214                 }
2215                 if (dsp->fw_ver == 0) {
2216                         if (i + 1 < n_algs) {
2217                                 len = be32_to_cpu(adsp1_alg[i + 1].dm);
2218                                 len -= be32_to_cpu(adsp1_alg[i].dm);
2219                                 len *= 4;
2220                                 wm_adsp_create_control(dsp, alg_region, 0,
2221                                                      len, NULL, 0, 0,
2222                                                      SNDRV_CTL_ELEM_TYPE_BYTES);
2223                         } else {
2224                                 adsp_warn(dsp, "Missing length info for region DM with ID %x\n",
2225                                           be32_to_cpu(adsp1_alg[i].alg.id));
2226                         }
2227                 }
2228
2229                 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP1_ZM,
2230                                                    adsp1_alg[i].alg.id,
2231                                                    adsp1_alg[i].zm);
2232                 if (IS_ERR(alg_region)) {
2233                         ret = PTR_ERR(alg_region);
2234                         goto out;
2235                 }
2236                 if (dsp->fw_ver == 0) {
2237                         if (i + 1 < n_algs) {
2238                                 len = be32_to_cpu(adsp1_alg[i + 1].zm);
2239                                 len -= be32_to_cpu(adsp1_alg[i].zm);
2240                                 len *= 4;
2241                                 wm_adsp_create_control(dsp, alg_region, 0,
2242                                                      len, NULL, 0, 0,
2243                                                      SNDRV_CTL_ELEM_TYPE_BYTES);
2244                         } else {
2245                                 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
2246                                           be32_to_cpu(adsp1_alg[i].alg.id));
2247                         }
2248                 }
2249         }
2250
2251 out:
2252         kfree(adsp1_alg);
2253         return ret;
2254 }
2255
2256 static int wm_adsp2_setup_algs(struct wm_adsp *dsp)
2257 {
2258         struct wmfw_adsp2_id_hdr adsp2_id;
2259         struct wmfw_adsp2_alg_hdr *adsp2_alg;
2260         struct wm_adsp_alg_region *alg_region;
2261         const struct wm_adsp_region *mem;
2262         unsigned int pos, len;
2263         size_t n_algs;
2264         int i, ret;
2265
2266         mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM);
2267         if (WARN_ON(!mem))
2268                 return -EINVAL;
2269
2270         ret = regmap_raw_read(dsp->regmap, mem->base, &adsp2_id,
2271                               sizeof(adsp2_id));
2272         if (ret != 0) {
2273                 adsp_err(dsp, "Failed to read algorithm info: %d\n",
2274                          ret);
2275                 return ret;
2276         }
2277
2278         n_algs = be32_to_cpu(adsp2_id.n_algs);
2279
2280         wmfw_parse_id_header(dsp, &adsp2_id.fw, n_algs);
2281
2282         alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_XM,
2283                                            adsp2_id.fw.id, adsp2_id.xm);
2284         if (IS_ERR(alg_region))
2285                 return PTR_ERR(alg_region);
2286
2287         alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_YM,
2288                                            adsp2_id.fw.id, adsp2_id.ym);
2289         if (IS_ERR(alg_region))
2290                 return PTR_ERR(alg_region);
2291
2292         alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_ZM,
2293                                            adsp2_id.fw.id, adsp2_id.zm);
2294         if (IS_ERR(alg_region))
2295                 return PTR_ERR(alg_region);
2296
2297         /* Calculate offset and length in DSP words */
2298         pos = sizeof(adsp2_id) / sizeof(u32);
2299         len = (sizeof(*adsp2_alg) * n_algs) / sizeof(u32);
2300
2301         adsp2_alg = wm_adsp_read_algs(dsp, n_algs, mem, pos, len);
2302         if (IS_ERR(adsp2_alg))
2303                 return PTR_ERR(adsp2_alg);
2304
2305         for (i = 0; i < n_algs; i++) {
2306                 adsp_info(dsp,
2307                           "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n",
2308                           i, be32_to_cpu(adsp2_alg[i].alg.id),
2309                           (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16,
2310                           (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8,
2311                           be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff,
2312                           be32_to_cpu(adsp2_alg[i].xm),
2313                           be32_to_cpu(adsp2_alg[i].ym),
2314                           be32_to_cpu(adsp2_alg[i].zm));
2315
2316                 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_XM,
2317                                                    adsp2_alg[i].alg.id,
2318                                                    adsp2_alg[i].xm);
2319                 if (IS_ERR(alg_region)) {
2320                         ret = PTR_ERR(alg_region);
2321                         goto out;
2322                 }
2323                 if (dsp->fw_ver == 0) {
2324                         if (i + 1 < n_algs) {
2325                                 len = be32_to_cpu(adsp2_alg[i + 1].xm);
2326                                 len -= be32_to_cpu(adsp2_alg[i].xm);
2327                                 len *= 4;
2328                                 wm_adsp_create_control(dsp, alg_region, 0,
2329                                                      len, NULL, 0, 0,
2330                                                      SNDRV_CTL_ELEM_TYPE_BYTES);
2331                         } else {
2332                                 adsp_warn(dsp, "Missing length info for region XM with ID %x\n",
2333                                           be32_to_cpu(adsp2_alg[i].alg.id));
2334                         }
2335                 }
2336
2337                 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_YM,
2338                                                    adsp2_alg[i].alg.id,
2339                                                    adsp2_alg[i].ym);
2340                 if (IS_ERR(alg_region)) {
2341                         ret = PTR_ERR(alg_region);
2342                         goto out;
2343                 }
2344                 if (dsp->fw_ver == 0) {
2345                         if (i + 1 < n_algs) {
2346                                 len = be32_to_cpu(adsp2_alg[i + 1].ym);
2347                                 len -= be32_to_cpu(adsp2_alg[i].ym);
2348                                 len *= 4;
2349                                 wm_adsp_create_control(dsp, alg_region, 0,
2350                                                      len, NULL, 0, 0,
2351                                                      SNDRV_CTL_ELEM_TYPE_BYTES);
2352                         } else {
2353                                 adsp_warn(dsp, "Missing length info for region YM with ID %x\n",
2354                                           be32_to_cpu(adsp2_alg[i].alg.id));
2355                         }
2356                 }
2357
2358                 alg_region = wm_adsp_create_region(dsp, WMFW_ADSP2_ZM,
2359                                                    adsp2_alg[i].alg.id,
2360                                                    adsp2_alg[i].zm);
2361                 if (IS_ERR(alg_region)) {
2362                         ret = PTR_ERR(alg_region);
2363                         goto out;
2364                 }
2365                 if (dsp->fw_ver == 0) {
2366                         if (i + 1 < n_algs) {
2367                                 len = be32_to_cpu(adsp2_alg[i + 1].zm);
2368                                 len -= be32_to_cpu(adsp2_alg[i].zm);
2369                                 len *= 4;
2370                                 wm_adsp_create_control(dsp, alg_region, 0,
2371                                                      len, NULL, 0, 0,
2372                                                      SNDRV_CTL_ELEM_TYPE_BYTES);
2373                         } else {
2374                                 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n",
2375                                           be32_to_cpu(adsp2_alg[i].alg.id));
2376                         }
2377                 }
2378         }
2379
2380 out:
2381         kfree(adsp2_alg);
2382         return ret;
2383 }
2384
2385 static int wm_halo_create_regions(struct wm_adsp *dsp, __be32 id,
2386                                   __be32 xm_base, __be32 ym_base)
2387 {
2388         int types[] = {
2389                 WMFW_ADSP2_XM, WMFW_HALO_XM_PACKED,
2390                 WMFW_ADSP2_YM, WMFW_HALO_YM_PACKED
2391         };
2392         __be32 bases[] = { xm_base, xm_base, ym_base, ym_base };
2393
2394         return wm_adsp_create_regions(dsp, id, ARRAY_SIZE(types), types, bases);
2395 }
2396
2397 static int wm_halo_setup_algs(struct wm_adsp *dsp)
2398 {
2399         struct wmfw_halo_id_hdr halo_id;
2400         struct wmfw_halo_alg_hdr *halo_alg;
2401         const struct wm_adsp_region *mem;
2402         unsigned int pos, len;
2403         size_t n_algs;
2404         int i, ret;
2405
2406         mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM);
2407         if (WARN_ON(!mem))
2408                 return -EINVAL;
2409
2410         ret = regmap_raw_read(dsp->regmap, mem->base, &halo_id,
2411                               sizeof(halo_id));
2412         if (ret != 0) {
2413                 adsp_err(dsp, "Failed to read algorithm info: %d\n",
2414                          ret);
2415                 return ret;
2416         }
2417
2418         n_algs = be32_to_cpu(halo_id.n_algs);
2419
2420         wmfw_v3_parse_id_header(dsp, &halo_id.fw, n_algs);
2421
2422         ret = wm_halo_create_regions(dsp, halo_id.fw.id,
2423                                      halo_id.xm_base, halo_id.ym_base);
2424         if (ret)
2425                 return ret;
2426
2427         /* Calculate offset and length in DSP words */
2428         pos = sizeof(halo_id) / sizeof(u32);
2429         len = (sizeof(*halo_alg) * n_algs) / sizeof(u32);
2430
2431         halo_alg = wm_adsp_read_algs(dsp, n_algs, mem, pos, len);
2432         if (IS_ERR(halo_alg))
2433                 return PTR_ERR(halo_alg);
2434
2435         for (i = 0; i < n_algs; i++) {
2436                 adsp_info(dsp,
2437                           "%d: ID %x v%d.%d.%d XM@%x YM@%x\n",
2438                           i, be32_to_cpu(halo_alg[i].alg.id),
2439                           (be32_to_cpu(halo_alg[i].alg.ver) & 0xff0000) >> 16,
2440                           (be32_to_cpu(halo_alg[i].alg.ver) & 0xff00) >> 8,
2441                           be32_to_cpu(halo_alg[i].alg.ver) & 0xff,
2442                           be32_to_cpu(halo_alg[i].xm_base),
2443                           be32_to_cpu(halo_alg[i].ym_base));
2444
2445                 ret = wm_halo_create_regions(dsp, halo_alg[i].alg.id,
2446                                              halo_alg[i].xm_base,
2447                                              halo_alg[i].ym_base);
2448                 if (ret)
2449                         goto out;
2450         }
2451
2452 out:
2453         kfree(halo_alg);
2454         return ret;
2455 }
2456
2457 static int wm_adsp_load_coeff(struct wm_adsp *dsp)
2458 {
2459         LIST_HEAD(buf_list);
2460         struct regmap *regmap = dsp->regmap;
2461         struct wmfw_coeff_hdr *hdr;
2462         struct wmfw_coeff_item *blk;
2463         const struct firmware *firmware;
2464         const struct wm_adsp_region *mem;
2465         struct wm_adsp_alg_region *alg_region;
2466         const char *region_name;
2467         int ret, pos, blocks, type, offset, reg;
2468         char *file;
2469         struct wm_adsp_buf *buf;
2470
2471         file = kzalloc(PAGE_SIZE, GFP_KERNEL);
2472         if (file == NULL)
2473                 return -ENOMEM;
2474
2475         snprintf(file, PAGE_SIZE, "/*(DEBLOBBED)*/", dsp->part, dsp->fwf_name,
2476                  wm_adsp_fw[dsp->fw].file);
2477         file[PAGE_SIZE - 1] = '\0';
2478
2479         ret = reject_firmware(&firmware, file, dsp->dev);
2480         if (ret != 0) {
2481                 adsp_warn(dsp, "Failed to request '%s'\n", file);
2482                 ret = 0;
2483                 goto out;
2484         }
2485         ret = -EINVAL;
2486
2487         if (sizeof(*hdr) >= firmware->size) {
2488                 adsp_err(dsp, "%s: file too short, %zu bytes\n",
2489                         file, firmware->size);
2490                 goto out_fw;
2491         }
2492
2493         hdr = (void *)&firmware->data[0];
2494         if (memcmp(hdr->magic, "WMDR", 4) != 0) {
2495                 adsp_err(dsp, "%s: invalid magic\n", file);
2496                 goto out_fw;
2497         }
2498
2499         switch (be32_to_cpu(hdr->rev) & 0xff) {
2500         case 1:
2501                 break;
2502         default:
2503                 adsp_err(dsp, "%s: Unsupported coefficient file format %d\n",
2504                          file, be32_to_cpu(hdr->rev) & 0xff);
2505                 ret = -EINVAL;
2506                 goto out_fw;
2507         }
2508
2509         adsp_dbg(dsp, "%s: v%d.%d.%d\n", file,
2510                 (le32_to_cpu(hdr->ver) >> 16) & 0xff,
2511                 (le32_to_cpu(hdr->ver) >>  8) & 0xff,
2512                 le32_to_cpu(hdr->ver) & 0xff);
2513
2514         pos = le32_to_cpu(hdr->len);
2515
2516         blocks = 0;
2517         while (pos < firmware->size &&
2518                sizeof(*blk) < firmware->size - pos) {
2519                 blk = (void *)(&firmware->data[pos]);
2520
2521                 type = le16_to_cpu(blk->type);
2522                 offset = le16_to_cpu(blk->offset);
2523
2524                 adsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n",
2525                          file, blocks, le32_to_cpu(blk->id),
2526                          (le32_to_cpu(blk->ver) >> 16) & 0xff,
2527                          (le32_to_cpu(blk->ver) >>  8) & 0xff,
2528                          le32_to_cpu(blk->ver) & 0xff);
2529                 adsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n",
2530                          file, blocks, le32_to_cpu(blk->len), offset, type);
2531
2532                 reg = 0;
2533                 region_name = "Unknown";
2534                 switch (type) {
2535                 case (WMFW_NAME_TEXT << 8):
2536                 case (WMFW_INFO_TEXT << 8):
2537                         break;
2538                 case (WMFW_ABSOLUTE << 8):
2539                         /*
2540                          * Old files may use this for global
2541                          * coefficients.
2542                          */
2543                         if (le32_to_cpu(blk->id) == dsp->fw_id &&
2544                             offset == 0) {
2545                                 region_name = "global coefficients";
2546                                 mem = wm_adsp_find_region(dsp, type);
2547                                 if (!mem) {
2548                                         adsp_err(dsp, "No ZM\n");
2549                                         break;
2550                                 }
2551                                 reg = dsp->ops->region_to_reg(mem, 0);
2552
2553                         } else {
2554                                 region_name = "register";
2555                                 reg = offset;
2556                         }
2557                         break;
2558
2559                 case WMFW_ADSP1_DM:
2560                 case WMFW_ADSP1_ZM:
2561                 case WMFW_ADSP2_XM:
2562                 case WMFW_ADSP2_YM:
2563                 case WMFW_HALO_XM_PACKED:
2564                 case WMFW_HALO_YM_PACKED:
2565                 case WMFW_HALO_PM_PACKED:
2566                         adsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n",
2567                                  file, blocks, le32_to_cpu(blk->len),
2568                                  type, le32_to_cpu(blk->id));
2569
2570                         mem = wm_adsp_find_region(dsp, type);
2571                         if (!mem) {
2572                                 adsp_err(dsp, "No base for region %x\n", type);
2573                                 break;
2574                         }
2575
2576                         alg_region = wm_adsp_find_alg_region(dsp, type,
2577                                                 le32_to_cpu(blk->id));
2578                         if (alg_region) {
2579                                 reg = alg_region->base;
2580                                 reg = dsp->ops->region_to_reg(mem, reg);
2581                                 reg += offset;
2582                         } else {
2583                                 adsp_err(dsp, "No %x for algorithm %x\n",
2584                                          type, le32_to_cpu(blk->id));
2585                         }
2586                         break;
2587
2588                 default:
2589                         adsp_err(dsp, "%s.%d: Unknown region type %x at %d\n",
2590                                  file, blocks, type, pos);
2591                         break;
2592                 }
2593
2594                 if (reg) {
2595                         if (le32_to_cpu(blk->len) >
2596                             firmware->size - pos - sizeof(*blk)) {
2597                                 adsp_err(dsp,
2598                                          "%s.%d: %s region len %d bytes exceeds file length %zu\n",
2599                                          file, blocks, region_name,
2600                                          le32_to_cpu(blk->len),
2601                                          firmware->size);
2602                                 ret = -EINVAL;
2603                                 goto out_fw;
2604                         }
2605
2606                         buf = wm_adsp_buf_alloc(blk->data,
2607                                                 le32_to_cpu(blk->len),
2608                                                 &buf_list);
2609                         if (!buf) {
2610                                 adsp_err(dsp, "Out of memory\n");
2611                                 ret = -ENOMEM;
2612                                 goto out_fw;
2613                         }
2614
2615                         adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n",
2616                                  file, blocks, le32_to_cpu(blk->len),
2617                                  reg);
2618                         ret = regmap_raw_write_async(regmap, reg, buf->buf,
2619                                                      le32_to_cpu(blk->len));
2620                         if (ret != 0) {
2621                                 adsp_err(dsp,
2622                                         "%s.%d: Failed to write to %x in %s: %d\n",
2623                                         file, blocks, reg, region_name, ret);
2624                         }
2625                 }
2626
2627                 pos += (le32_to_cpu(blk->len) + sizeof(*blk) + 3) & ~0x03;
2628                 blocks++;
2629         }
2630
2631         ret = regmap_async_complete(regmap);
2632         if (ret != 0)
2633                 adsp_err(dsp, "Failed to complete async write: %d\n", ret);
2634
2635         if (pos > firmware->size)
2636                 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n",
2637                           file, blocks, pos - firmware->size);
2638
2639         wm_adsp_debugfs_save_binname(dsp, file);
2640
2641 out_fw:
2642         regmap_async_complete(regmap);
2643         release_firmware(firmware);
2644         wm_adsp_buf_free(&buf_list);
2645 out:
2646         kfree(file);
2647         return ret;
2648 }
2649
2650 static int wm_adsp_create_name(struct wm_adsp *dsp)
2651 {
2652         char *p;
2653
2654         if (!dsp->name) {
2655                 dsp->name = devm_kasprintf(dsp->dev, GFP_KERNEL, "DSP%d",
2656                                            dsp->num);
2657                 if (!dsp->name)
2658                         return -ENOMEM;
2659         }
2660
2661         if (!dsp->fwf_name) {
2662                 p = devm_kstrdup(dsp->dev, dsp->name, GFP_KERNEL);
2663                 if (!p)
2664                         return -ENOMEM;
2665
2666                 dsp->fwf_name = p;
2667                 for (; *p != 0; ++p)
2668                         *p = tolower(*p);
2669         }
2670
2671         return 0;
2672 }
2673
2674 static int wm_adsp_common_init(struct wm_adsp *dsp)
2675 {
2676         int ret;
2677
2678         ret = wm_adsp_create_name(dsp);
2679         if (ret)
2680                 return ret;
2681
2682         INIT_LIST_HEAD(&dsp->alg_regions);
2683         INIT_LIST_HEAD(&dsp->ctl_list);
2684         INIT_LIST_HEAD(&dsp->compr_list);
2685         INIT_LIST_HEAD(&dsp->buffer_list);
2686
2687         mutex_init(&dsp->pwr_lock);
2688
2689         return 0;
2690 }
2691
2692 int wm_adsp1_init(struct wm_adsp *dsp)
2693 {
2694         dsp->ops = &wm_adsp1_ops;
2695
2696         return wm_adsp_common_init(dsp);
2697 }
2698 EXPORT_SYMBOL_GPL(wm_adsp1_init);
2699
2700 int wm_adsp1_event(struct snd_soc_dapm_widget *w,
2701                    struct snd_kcontrol *kcontrol,
2702                    int event)
2703 {
2704         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
2705         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
2706         struct wm_adsp *dsp = &dsps[w->shift];
2707         struct wm_coeff_ctl *ctl;
2708         int ret;
2709         unsigned int val;
2710
2711         dsp->component = component;
2712
2713         mutex_lock(&dsp->pwr_lock);
2714
2715         switch (event) {
2716         case SND_SOC_DAPM_POST_PMU:
2717                 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2718                                    ADSP1_SYS_ENA, ADSP1_SYS_ENA);
2719
2720                 /*
2721                  * For simplicity set the DSP clock rate to be the
2722                  * SYSCLK rate rather than making it configurable.
2723                  */
2724                 if (dsp->sysclk_reg) {
2725                         ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val);
2726                         if (ret != 0) {
2727                                 adsp_err(dsp, "Failed to read SYSCLK state: %d\n",
2728                                 ret);
2729                                 goto err_mutex;
2730                         }
2731
2732                         val = (val & dsp->sysclk_mask) >> dsp->sysclk_shift;
2733
2734                         ret = regmap_update_bits(dsp->regmap,
2735                                                  dsp->base + ADSP1_CONTROL_31,
2736                                                  ADSP1_CLK_SEL_MASK, val);
2737                         if (ret != 0) {
2738                                 adsp_err(dsp, "Failed to set clock rate: %d\n",
2739                                          ret);
2740                                 goto err_mutex;
2741                         }
2742                 }
2743
2744                 ret = wm_adsp_load(dsp);
2745                 if (ret != 0)
2746                         goto err_ena;
2747
2748                 ret = wm_adsp1_setup_algs(dsp);
2749                 if (ret != 0)
2750                         goto err_ena;
2751
2752                 ret = wm_adsp_load_coeff(dsp);
2753                 if (ret != 0)
2754                         goto err_ena;
2755
2756                 /* Initialize caches for enabled and unset controls */
2757                 ret = wm_coeff_init_control_caches(dsp);
2758                 if (ret != 0)
2759                         goto err_ena;
2760
2761                 /* Sync set controls */
2762                 ret = wm_coeff_sync_controls(dsp);
2763                 if (ret != 0)
2764                         goto err_ena;
2765
2766                 dsp->booted = true;
2767
2768                 /* Start the core running */
2769                 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2770                                    ADSP1_CORE_ENA | ADSP1_START,
2771                                    ADSP1_CORE_ENA | ADSP1_START);
2772
2773                 dsp->running = true;
2774                 break;
2775
2776         case SND_SOC_DAPM_PRE_PMD:
2777                 dsp->running = false;
2778                 dsp->booted = false;
2779
2780                 /* Halt the core */
2781                 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2782                                    ADSP1_CORE_ENA | ADSP1_START, 0);
2783
2784                 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19,
2785                                    ADSP1_WDMA_BUFFER_LENGTH_MASK, 0);
2786
2787                 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2788                                    ADSP1_SYS_ENA, 0);
2789
2790                 list_for_each_entry(ctl, &dsp->ctl_list, list)
2791                         ctl->enabled = 0;
2792
2793
2794                 wm_adsp_free_alg_regions(dsp);
2795                 break;
2796
2797         default:
2798                 break;
2799         }
2800
2801         mutex_unlock(&dsp->pwr_lock);
2802
2803         return 0;
2804
2805 err_ena:
2806         regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30,
2807                            ADSP1_SYS_ENA, 0);
2808 err_mutex:
2809         mutex_unlock(&dsp->pwr_lock);
2810
2811         return ret;
2812 }
2813 EXPORT_SYMBOL_GPL(wm_adsp1_event);
2814
2815 static int wm_adsp2v2_enable_core(struct wm_adsp *dsp)
2816 {
2817         unsigned int val;
2818         int ret, count;
2819
2820         /* Wait for the RAM to start, should be near instantaneous */
2821         for (count = 0; count < 10; ++count) {
2822                 ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1, &val);
2823                 if (ret != 0)
2824                         return ret;
2825
2826                 if (val & ADSP2_RAM_RDY)
2827                         break;
2828
2829                 usleep_range(250, 500);
2830         }
2831
2832         if (!(val & ADSP2_RAM_RDY)) {
2833                 adsp_err(dsp, "Failed to start DSP RAM\n");
2834                 return -EBUSY;
2835         }
2836
2837         adsp_dbg(dsp, "RAM ready after %d polls\n", count);
2838
2839         return 0;
2840 }
2841
2842 static int wm_adsp2_enable_core(struct wm_adsp *dsp)
2843 {
2844         int ret;
2845
2846         ret = regmap_update_bits_async(dsp->regmap, dsp->base + ADSP2_CONTROL,
2847                                        ADSP2_SYS_ENA, ADSP2_SYS_ENA);
2848         if (ret != 0)
2849                 return ret;
2850
2851         return wm_adsp2v2_enable_core(dsp);
2852 }
2853
2854 static int wm_adsp2_lock(struct wm_adsp *dsp, unsigned int lock_regions)
2855 {
2856         struct regmap *regmap = dsp->regmap;
2857         unsigned int code0, code1, lock_reg;
2858
2859         if (!(lock_regions & WM_ADSP2_REGION_ALL))
2860                 return 0;
2861
2862         lock_regions &= WM_ADSP2_REGION_ALL;
2863         lock_reg = dsp->base + ADSP2_LOCK_REGION_1_LOCK_REGION_0;
2864
2865         while (lock_regions) {
2866                 code0 = code1 = 0;
2867                 if (lock_regions & BIT(0)) {
2868                         code0 = ADSP2_LOCK_CODE_0;
2869                         code1 = ADSP2_LOCK_CODE_1;
2870                 }
2871                 if (lock_regions & BIT(1)) {
2872                         code0 |= ADSP2_LOCK_CODE_0 << ADSP2_LOCK_REGION_SHIFT;
2873                         code1 |= ADSP2_LOCK_CODE_1 << ADSP2_LOCK_REGION_SHIFT;
2874                 }
2875                 regmap_write(regmap, lock_reg, code0);
2876                 regmap_write(regmap, lock_reg, code1);
2877                 lock_regions >>= 2;
2878                 lock_reg += 2;
2879         }
2880
2881         return 0;
2882 }
2883
2884 static int wm_adsp2_enable_memory(struct wm_adsp *dsp)
2885 {
2886         return regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2887                                   ADSP2_MEM_ENA, ADSP2_MEM_ENA);
2888 }
2889
2890 static void wm_adsp2_disable_memory(struct wm_adsp *dsp)
2891 {
2892         regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2893                            ADSP2_MEM_ENA, 0);
2894 }
2895
2896 static void wm_adsp2_disable_core(struct wm_adsp *dsp)
2897 {
2898         regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
2899         regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
2900         regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
2901
2902         regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
2903                            ADSP2_SYS_ENA, 0);
2904 }
2905
2906 static void wm_adsp2v2_disable_core(struct wm_adsp *dsp)
2907 {
2908         regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
2909         regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
2910         regmap_write(dsp->regmap, dsp->base + ADSP2V2_WDMA_CONFIG_2, 0);
2911 }
2912
2913 static void wm_adsp_boot_work(struct work_struct *work)
2914 {
2915         struct wm_adsp *dsp = container_of(work,
2916                                            struct wm_adsp,
2917                                            boot_work);
2918         int ret;
2919
2920         mutex_lock(&dsp->pwr_lock);
2921
2922         if (dsp->ops->enable_memory) {
2923                 ret = dsp->ops->enable_memory(dsp);
2924                 if (ret != 0)
2925                         goto err_mutex;
2926         }
2927
2928         if (dsp->ops->enable_core) {
2929                 ret = dsp->ops->enable_core(dsp);
2930                 if (ret != 0)
2931                         goto err_mem;
2932         }
2933
2934         ret = wm_adsp_load(dsp);
2935         if (ret != 0)
2936                 goto err_ena;
2937
2938         ret = dsp->ops->setup_algs(dsp);
2939         if (ret != 0)
2940                 goto err_ena;
2941
2942         ret = wm_adsp_load_coeff(dsp);
2943         if (ret != 0)
2944                 goto err_ena;
2945
2946         /* Initialize caches for enabled and unset controls */
2947         ret = wm_coeff_init_control_caches(dsp);
2948         if (ret != 0)
2949                 goto err_ena;
2950
2951         if (dsp->ops->disable_core)
2952                 dsp->ops->disable_core(dsp);
2953
2954         dsp->booted = true;
2955
2956         mutex_unlock(&dsp->pwr_lock);
2957
2958         return;
2959
2960 err_ena:
2961         if (dsp->ops->disable_core)
2962                 dsp->ops->disable_core(dsp);
2963 err_mem:
2964         if (dsp->ops->disable_memory)
2965                 dsp->ops->disable_memory(dsp);
2966 err_mutex:
2967         mutex_unlock(&dsp->pwr_lock);
2968 }
2969
2970 static int wm_halo_configure_mpu(struct wm_adsp *dsp, unsigned int lock_regions)
2971 {
2972         struct reg_sequence config[] = {
2973                 { dsp->base + HALO_MPU_LOCK_CONFIG,     0x5555 },
2974                 { dsp->base + HALO_MPU_LOCK_CONFIG,     0xAAAA },
2975                 { dsp->base + HALO_MPU_XMEM_ACCESS_0,   0xFFFFFFFF },
2976                 { dsp->base + HALO_MPU_YMEM_ACCESS_0,   0xFFFFFFFF },
2977                 { dsp->base + HALO_MPU_WINDOW_ACCESS_0, lock_regions },
2978                 { dsp->base + HALO_MPU_XREG_ACCESS_0,   lock_regions },
2979                 { dsp->base + HALO_MPU_YREG_ACCESS_0,   lock_regions },
2980                 { dsp->base + HALO_MPU_XMEM_ACCESS_1,   0xFFFFFFFF },
2981                 { dsp->base + HALO_MPU_YMEM_ACCESS_1,   0xFFFFFFFF },
2982                 { dsp->base + HALO_MPU_WINDOW_ACCESS_1, lock_regions },
2983                 { dsp->base + HALO_MPU_XREG_ACCESS_1,   lock_regions },
2984                 { dsp->base + HALO_MPU_YREG_ACCESS_1,   lock_regions },
2985                 { dsp->base + HALO_MPU_XMEM_ACCESS_2,   0xFFFFFFFF },
2986                 { dsp->base + HALO_MPU_YMEM_ACCESS_2,   0xFFFFFFFF },
2987                 { dsp->base + HALO_MPU_WINDOW_ACCESS_2, lock_regions },
2988                 { dsp->base + HALO_MPU_XREG_ACCESS_2,   lock_regions },
2989                 { dsp->base + HALO_MPU_YREG_ACCESS_2,   lock_regions },
2990                 { dsp->base + HALO_MPU_XMEM_ACCESS_3,   0xFFFFFFFF },
2991                 { dsp->base + HALO_MPU_YMEM_ACCESS_3,   0xFFFFFFFF },
2992                 { dsp->base + HALO_MPU_WINDOW_ACCESS_3, lock_regions },
2993                 { dsp->base + HALO_MPU_XREG_ACCESS_3,   lock_regions },
2994                 { dsp->base + HALO_MPU_YREG_ACCESS_3,   lock_regions },
2995                 { dsp->base + HALO_MPU_LOCK_CONFIG,     0 },
2996         };
2997
2998         return regmap_multi_reg_write(dsp->regmap, config, ARRAY_SIZE(config));
2999 }
3000
3001 int wm_adsp2_set_dspclk(struct snd_soc_dapm_widget *w, unsigned int freq)
3002 {
3003         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
3004         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
3005         struct wm_adsp *dsp = &dsps[w->shift];
3006         int ret;
3007
3008         ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CLOCKING,
3009                                  ADSP2_CLK_SEL_MASK,
3010                                  freq << ADSP2_CLK_SEL_SHIFT);
3011         if (ret)
3012                 adsp_err(dsp, "Failed to set clock rate: %d\n", ret);
3013
3014         return ret;
3015 }
3016 EXPORT_SYMBOL_GPL(wm_adsp2_set_dspclk);
3017
3018 int wm_adsp2_preloader_get(struct snd_kcontrol *kcontrol,
3019                            struct snd_ctl_elem_value *ucontrol)
3020 {
3021         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
3022         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
3023         struct soc_mixer_control *mc =
3024                 (struct soc_mixer_control *)kcontrol->private_value;
3025         struct wm_adsp *dsp = &dsps[mc->shift - 1];
3026
3027         ucontrol->value.integer.value[0] = dsp->preloaded;
3028
3029         return 0;
3030 }
3031 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_get);
3032
3033 int wm_adsp2_preloader_put(struct snd_kcontrol *kcontrol,
3034                            struct snd_ctl_elem_value *ucontrol)
3035 {
3036         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
3037         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
3038         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
3039         struct soc_mixer_control *mc =
3040                 (struct soc_mixer_control *)kcontrol->private_value;
3041         struct wm_adsp *dsp = &dsps[mc->shift - 1];
3042         char preload[32];
3043
3044         snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->name);
3045
3046         dsp->preloaded = ucontrol->value.integer.value[0];
3047
3048         if (ucontrol->value.integer.value[0])
3049                 snd_soc_component_force_enable_pin(component, preload);
3050         else
3051                 snd_soc_component_disable_pin(component, preload);
3052
3053         snd_soc_dapm_sync(dapm);
3054
3055         flush_work(&dsp->boot_work);
3056
3057         return 0;
3058 }
3059 EXPORT_SYMBOL_GPL(wm_adsp2_preloader_put);
3060
3061 static void wm_adsp_stop_watchdog(struct wm_adsp *dsp)
3062 {
3063         regmap_update_bits(dsp->regmap, dsp->base + ADSP2_WATCHDOG,
3064                            ADSP2_WDT_ENA_MASK, 0);
3065 }
3066
3067 static void wm_halo_stop_watchdog(struct wm_adsp *dsp)
3068 {
3069         regmap_update_bits(dsp->regmap, dsp->base + HALO_WDT_CONTROL,
3070                            HALO_WDT_EN_MASK, 0);
3071 }
3072
3073 int wm_adsp_early_event(struct snd_soc_dapm_widget *w,
3074                         struct snd_kcontrol *kcontrol, int event)
3075 {
3076         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
3077         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
3078         struct wm_adsp *dsp = &dsps[w->shift];
3079         struct wm_coeff_ctl *ctl;
3080
3081         switch (event) {
3082         case SND_SOC_DAPM_PRE_PMU:
3083                 queue_work(system_unbound_wq, &dsp->boot_work);
3084                 break;
3085         case SND_SOC_DAPM_PRE_PMD:
3086                 mutex_lock(&dsp->pwr_lock);
3087
3088                 wm_adsp_debugfs_clear(dsp);
3089
3090                 dsp->fw_id = 0;
3091                 dsp->fw_id_version = 0;
3092
3093                 dsp->booted = false;
3094
3095                 if (dsp->ops->disable_memory)
3096                         dsp->ops->disable_memory(dsp);
3097
3098                 list_for_each_entry(ctl, &dsp->ctl_list, list)
3099                         ctl->enabled = 0;
3100
3101                 wm_adsp_free_alg_regions(dsp);
3102
3103                 mutex_unlock(&dsp->pwr_lock);
3104
3105                 adsp_dbg(dsp, "Shutdown complete\n");
3106                 break;
3107         default:
3108                 break;
3109         }
3110
3111         return 0;
3112 }
3113 EXPORT_SYMBOL_GPL(wm_adsp_early_event);
3114
3115 static int wm_adsp2_start_core(struct wm_adsp *dsp)
3116 {
3117         return regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
3118                                  ADSP2_CORE_ENA | ADSP2_START,
3119                                  ADSP2_CORE_ENA | ADSP2_START);
3120 }
3121
3122 static void wm_adsp2_stop_core(struct wm_adsp *dsp)
3123 {
3124         regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
3125                            ADSP2_CORE_ENA | ADSP2_START, 0);
3126 }
3127
3128 int wm_adsp_event(struct snd_soc_dapm_widget *w,
3129                   struct snd_kcontrol *kcontrol, int event)
3130 {
3131         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
3132         struct wm_adsp *dsps = snd_soc_component_get_drvdata(component);
3133         struct wm_adsp *dsp = &dsps[w->shift];
3134         int ret;
3135
3136         switch (event) {
3137         case SND_SOC_DAPM_POST_PMU:
3138                 flush_work(&dsp->boot_work);
3139
3140                 mutex_lock(&dsp->pwr_lock);
3141
3142                 if (!dsp->booted) {
3143                         ret = -EIO;
3144                         goto err;
3145                 }
3146
3147                 if (dsp->ops->enable_core) {
3148                         ret = dsp->ops->enable_core(dsp);
3149                         if (ret != 0)
3150                                 goto err;
3151                 }
3152
3153                 /* Sync set controls */
3154                 ret = wm_coeff_sync_controls(dsp);
3155                 if (ret != 0)
3156                         goto err;
3157
3158                 if (dsp->ops->lock_memory) {
3159                         ret = dsp->ops->lock_memory(dsp, dsp->lock_regions);
3160                         if (ret != 0) {
3161                                 adsp_err(dsp, "Error configuring MPU: %d\n",
3162                                          ret);
3163                                 goto err;
3164                         }
3165                 }
3166
3167                 if (dsp->ops->start_core) {
3168                         ret = dsp->ops->start_core(dsp);
3169                         if (ret != 0)
3170                                 goto err;
3171                 }
3172
3173                 if (wm_adsp_fw[dsp->fw].num_caps != 0) {
3174                         ret = wm_adsp_buffer_init(dsp);
3175                         if (ret < 0)
3176                                 goto err;
3177                 }
3178
3179                 dsp->running = true;
3180
3181                 mutex_unlock(&dsp->pwr_lock);
3182                 break;
3183
3184         case SND_SOC_DAPM_PRE_PMD:
3185                 /* Tell the firmware to cleanup */
3186                 wm_adsp_signal_event_controls(dsp, WM_ADSP_FW_EVENT_SHUTDOWN);
3187
3188                 if (dsp->ops->stop_watchdog)
3189                         dsp->ops->stop_watchdog(dsp);
3190
3191                 /* Log firmware state, it can be useful for analysis */
3192                 if (dsp->ops->show_fw_status)
3193                         dsp->ops->show_fw_status(dsp);
3194
3195                 mutex_lock(&dsp->pwr_lock);
3196
3197                 dsp->running = false;
3198
3199                 if (dsp->ops->stop_core)
3200                         dsp->ops->stop_core(dsp);
3201                 if (dsp->ops->disable_core)
3202                         dsp->ops->disable_core(dsp);
3203
3204                 if (wm_adsp_fw[dsp->fw].num_caps != 0)
3205                         wm_adsp_buffer_free(dsp);
3206
3207                 dsp->fatal_error = false;
3208
3209                 mutex_unlock(&dsp->pwr_lock);
3210
3211                 adsp_dbg(dsp, "Execution stopped\n");
3212                 break;
3213
3214         default:
3215                 break;
3216         }
3217
3218         return 0;
3219 err:
3220         if (dsp->ops->stop_core)
3221                 dsp->ops->stop_core(dsp);
3222         if (dsp->ops->disable_core)
3223                 dsp->ops->disable_core(dsp);
3224         mutex_unlock(&dsp->pwr_lock);
3225         return ret;
3226 }
3227 EXPORT_SYMBOL_GPL(wm_adsp_event);
3228
3229 static int wm_halo_start_core(struct wm_adsp *dsp)
3230 {
3231         return regmap_update_bits(dsp->regmap,
3232                                   dsp->base + HALO_CCM_CORE_CONTROL,
3233                                   HALO_CORE_EN, HALO_CORE_EN);
3234 }
3235
3236 static void wm_halo_stop_core(struct wm_adsp *dsp)
3237 {
3238         regmap_update_bits(dsp->regmap, dsp->base + HALO_CCM_CORE_CONTROL,
3239                            HALO_CORE_EN, 0);
3240
3241         /* reset halo core with CORE_SOFT_RESET */
3242         regmap_update_bits(dsp->regmap, dsp->base + HALO_CORE_SOFT_RESET,
3243                            HALO_CORE_SOFT_RESET_MASK, 1);
3244 }
3245
3246 int wm_adsp2_component_probe(struct wm_adsp *dsp, struct snd_soc_component *component)
3247 {
3248         char preload[32];
3249
3250         snprintf(preload, ARRAY_SIZE(preload), "%s Preload", dsp->name);
3251         snd_soc_component_disable_pin(component, preload);
3252
3253         wm_adsp2_init_debugfs(dsp, component);
3254
3255         dsp->component = component;
3256
3257         return 0;
3258 }
3259 EXPORT_SYMBOL_GPL(wm_adsp2_component_probe);
3260
3261 int wm_adsp2_component_remove(struct wm_adsp *dsp, struct snd_soc_component *component)
3262 {
3263         wm_adsp2_cleanup_debugfs(dsp);
3264
3265         return 0;
3266 }
3267 EXPORT_SYMBOL_GPL(wm_adsp2_component_remove);
3268
3269 int wm_adsp2_init(struct wm_adsp *dsp)
3270 {
3271         int ret;
3272
3273         ret = wm_adsp_common_init(dsp);
3274         if (ret)
3275                 return ret;
3276
3277         switch (dsp->rev) {
3278         case 0:
3279                 /*
3280                  * Disable the DSP memory by default when in reset for a small
3281                  * power saving.
3282                  */
3283                 ret = regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL,
3284                                          ADSP2_MEM_ENA, 0);
3285                 if (ret) {
3286                         adsp_err(dsp,
3287                                  "Failed to clear memory retention: %d\n", ret);
3288                         return ret;
3289                 }
3290
3291                 dsp->ops = &wm_adsp2_ops[0];
3292                 break;
3293         case 1:
3294                 dsp->ops = &wm_adsp2_ops[1];
3295                 break;
3296         default:
3297                 dsp->ops = &wm_adsp2_ops[2];
3298                 break;
3299         }
3300
3301         INIT_WORK(&dsp->boot_work, wm_adsp_boot_work);
3302
3303         return 0;
3304 }
3305 EXPORT_SYMBOL_GPL(wm_adsp2_init);
3306
3307 int wm_halo_init(struct wm_adsp *dsp)
3308 {
3309         int ret;
3310
3311         ret = wm_adsp_common_init(dsp);
3312         if (ret)
3313                 return ret;
3314
3315         dsp->ops = &wm_halo_ops;
3316
3317         INIT_WORK(&dsp->boot_work, wm_adsp_boot_work);
3318
3319         return 0;
3320 }
3321 EXPORT_SYMBOL_GPL(wm_halo_init);
3322
3323 void wm_adsp2_remove(struct wm_adsp *dsp)
3324 {
3325         struct wm_coeff_ctl *ctl;
3326
3327         while (!list_empty(&dsp->ctl_list)) {
3328                 ctl = list_first_entry(&dsp->ctl_list, struct wm_coeff_ctl,
3329                                         list);
3330                 list_del(&ctl->list);
3331                 wm_adsp_free_ctl_blk(ctl);
3332         }
3333 }
3334 EXPORT_SYMBOL_GPL(wm_adsp2_remove);
3335
3336 static inline int wm_adsp_compr_attached(struct wm_adsp_compr *compr)
3337 {
3338         return compr->buf != NULL;
3339 }
3340
3341 static int wm_adsp_compr_attach(struct wm_adsp_compr *compr)
3342 {
3343         struct wm_adsp_compr_buf *buf = NULL, *tmp;
3344
3345         if (compr->dsp->fatal_error)
3346                 return -EINVAL;
3347
3348         list_for_each_entry(tmp, &compr->dsp->buffer_list, list) {
3349                 if (!tmp->name || !strcmp(compr->name, tmp->name)) {
3350                         buf = tmp;
3351                         break;
3352                 }
3353         }
3354
3355         if (!buf)
3356                 return -EINVAL;
3357
3358         compr->buf = buf;
3359         buf->compr = compr;
3360
3361         return 0;
3362 }
3363
3364 static void wm_adsp_compr_detach(struct wm_adsp_compr *compr)
3365 {
3366         if (!compr)
3367                 return;
3368
3369         /* Wake the poll so it can see buffer is no longer attached */
3370         if (compr->stream)
3371                 snd_compr_fragment_elapsed(compr->stream);
3372
3373         if (wm_adsp_compr_attached(compr)) {
3374                 compr->buf->compr = NULL;
3375                 compr->buf = NULL;
3376         }
3377 }
3378
3379 int wm_adsp_compr_open(struct wm_adsp *dsp, struct snd_compr_stream *stream)
3380 {
3381         struct wm_adsp_compr *compr, *tmp;
3382         struct snd_soc_pcm_runtime *rtd = stream->private_data;
3383         int ret = 0;
3384
3385         mutex_lock(&dsp->pwr_lock);
3386
3387         if (wm_adsp_fw[dsp->fw].num_caps == 0) {
3388                 adsp_err(dsp, "%s: Firmware does not support compressed API\n",
3389                          rtd->codec_dai->name);
3390                 ret = -ENXIO;
3391                 goto out;
3392         }
3393
3394         if (wm_adsp_fw[dsp->fw].compr_direction != stream->direction) {
3395                 adsp_err(dsp, "%s: Firmware does not support stream direction\n",
3396                          rtd->codec_dai->name);
3397                 ret = -EINVAL;
3398                 goto out;
3399         }
3400
3401         list_for_each_entry(tmp, &dsp->compr_list, list) {
3402                 if (!strcmp(tmp->name, rtd->codec_dai->name)) {
3403                         adsp_err(dsp, "%s: Only a single stream supported per dai\n",
3404                                  rtd->codec_dai->name);
3405                         ret = -EBUSY;
3406                         goto out;
3407                 }
3408         }
3409
3410         compr = kzalloc(sizeof(*compr), GFP_KERNEL);
3411         if (!compr) {
3412                 ret = -ENOMEM;
3413                 goto out;
3414         }
3415
3416         compr->dsp = dsp;
3417         compr->stream = stream;
3418         compr->name = rtd->codec_dai->name;
3419
3420         list_add_tail(&compr->list, &dsp->compr_list);
3421
3422         stream->runtime->private_data = compr;
3423
3424 out:
3425         mutex_unlock(&dsp->pwr_lock);
3426
3427         return ret;
3428 }
3429 EXPORT_SYMBOL_GPL(wm_adsp_compr_open);
3430
3431 int wm_adsp_compr_free(struct snd_compr_stream *stream)
3432 {
3433         struct wm_adsp_compr *compr = stream->runtime->private_data;
3434         struct wm_adsp *dsp = compr->dsp;
3435
3436         mutex_lock(&dsp->pwr_lock);
3437
3438         wm_adsp_compr_detach(compr);
3439         list_del(&compr->list);
3440
3441         kfree(compr->raw_buf);
3442         kfree(compr);
3443
3444         mutex_unlock(&dsp->pwr_lock);
3445
3446         return 0;
3447 }
3448 EXPORT_SYMBOL_GPL(wm_adsp_compr_free);
3449
3450 static int wm_adsp_compr_check_params(struct snd_compr_stream *stream,
3451                                       struct snd_compr_params *params)
3452 {
3453         struct wm_adsp_compr *compr = stream->runtime->private_data;
3454         struct wm_adsp *dsp = compr->dsp;
3455         const struct wm_adsp_fw_caps *caps;
3456         const struct snd_codec_desc *desc;
3457         int i, j;
3458
3459         if (params->buffer.fragment_size < WM_ADSP_MIN_FRAGMENT_SIZE ||
3460             params->buffer.fragment_size > WM_ADSP_MAX_FRAGMENT_SIZE ||
3461             params->buffer.fragments < WM_ADSP_MIN_FRAGMENTS ||
3462             params->buffer.fragments > WM_ADSP_MAX_FRAGMENTS ||
3463             params->buffer.fragment_size % WM_ADSP_DATA_WORD_SIZE) {
3464                 compr_err(compr, "Invalid buffer fragsize=%d fragments=%d\n",
3465                           params->buffer.fragment_size,
3466                           params->buffer.fragments);
3467
3468                 return -EINVAL;
3469         }
3470
3471         for (i = 0; i < wm_adsp_fw[dsp->fw].num_caps; i++) {
3472                 caps = &wm_adsp_fw[dsp->fw].caps[i];
3473                 desc = &caps->desc;
3474
3475                 if (caps->id != params->codec.id)
3476                         continue;
3477
3478                 if (stream->direction == SND_COMPRESS_PLAYBACK) {
3479                         if (desc->max_ch < params->codec.ch_out)
3480                                 continue;
3481                 } else {
3482                         if (desc->max_ch < params->codec.ch_in)
3483                                 continue;
3484                 }
3485
3486                 if (!(desc->formats & (1 << params->codec.format)))
3487                         continue;
3488
3489                 for (j = 0; j < desc->num_sample_rates; ++j)
3490                         if (desc->sample_rates[j] == params->codec.sample_rate)
3491                                 return 0;
3492         }
3493
3494         compr_err(compr, "Invalid params id=%u ch=%u,%u rate=%u fmt=%u\n",
3495                   params->codec.id, params->codec.ch_in, params->codec.ch_out,
3496                   params->codec.sample_rate, params->codec.format);
3497         return -EINVAL;
3498 }
3499
3500 static inline unsigned int wm_adsp_compr_frag_words(struct wm_adsp_compr *compr)
3501 {
3502         return compr->size.fragment_size / WM_ADSP_DATA_WORD_SIZE;
3503 }
3504
3505 int wm_adsp_compr_set_params(struct snd_compr_stream *stream,
3506                              struct snd_compr_params *params)
3507 {
3508         struct wm_adsp_compr *compr = stream->runtime->private_data;
3509         unsigned int size;
3510         int ret;
3511
3512         ret = wm_adsp_compr_check_params(stream, params);
3513         if (ret)
3514                 return ret;
3515
3516         compr->size = params->buffer;
3517
3518         compr_dbg(compr, "fragment_size=%d fragments=%d\n",
3519                   compr->size.fragment_size, compr->size.fragments);
3520
3521         size = wm_adsp_compr_frag_words(compr) * sizeof(*compr->raw_buf);
3522         compr->raw_buf = kmalloc(size, GFP_DMA | GFP_KERNEL);
3523         if (!compr->raw_buf)
3524                 return -ENOMEM;
3525
3526         compr->sample_rate = params->codec.sample_rate;
3527
3528         return 0;
3529 }
3530 EXPORT_SYMBOL_GPL(wm_adsp_compr_set_params);
3531
3532 int wm_adsp_compr_get_caps(struct snd_compr_stream *stream,
3533                            struct snd_compr_caps *caps)
3534 {
3535         struct wm_adsp_compr *compr = stream->runtime->private_data;
3536         int fw = compr->dsp->fw;
3537         int i;
3538
3539         if (wm_adsp_fw[fw].caps) {
3540                 for (i = 0; i < wm_adsp_fw[fw].num_caps; i++)
3541                         caps->codecs[i] = wm_adsp_fw[fw].caps[i].id;
3542
3543                 caps->num_codecs = i;
3544                 caps->direction = wm_adsp_fw[fw].compr_direction;
3545
3546                 caps->min_fragment_size = WM_ADSP_MIN_FRAGMENT_SIZE;
3547                 caps->max_fragment_size = WM_ADSP_MAX_FRAGMENT_SIZE;
3548                 caps->min_fragments = WM_ADSP_MIN_FRAGMENTS;
3549                 caps->max_fragments = WM_ADSP_MAX_FRAGMENTS;
3550         }
3551
3552         return 0;
3553 }
3554 EXPORT_SYMBOL_GPL(wm_adsp_compr_get_caps);
3555
3556 static int wm_adsp_read_data_block(struct wm_adsp *dsp, int mem_type,
3557                                    unsigned int mem_addr,
3558                                    unsigned int num_words, u32 *data)
3559 {
3560         struct wm_adsp_region const *mem = wm_adsp_find_region(dsp, mem_type);
3561         unsigned int i, reg;
3562         int ret;
3563
3564         if (!mem)
3565                 return -EINVAL;
3566
3567         reg = dsp->ops->region_to_reg(mem, mem_addr);
3568
3569         ret = regmap_raw_read(dsp->regmap, reg, data,
3570                               sizeof(*data) * num_words);
3571         if (ret < 0)
3572                 return ret;
3573
3574         for (i = 0; i < num_words; ++i)
3575                 data[i] = be32_to_cpu(data[i]) & 0x00ffffffu;
3576
3577         return 0;
3578 }
3579
3580 static inline int wm_adsp_read_data_word(struct wm_adsp *dsp, int mem_type,
3581                                          unsigned int mem_addr, u32 *data)
3582 {
3583         return wm_adsp_read_data_block(dsp, mem_type, mem_addr, 1, data);
3584 }
3585
3586 static int wm_adsp_write_data_word(struct wm_adsp *dsp, int mem_type,
3587                                    unsigned int mem_addr, u32 data)
3588 {
3589         struct wm_adsp_region const *mem = wm_adsp_find_region(dsp, mem_type);
3590         unsigned int reg;
3591
3592         if (!mem)
3593                 return -EINVAL;
3594
3595         reg = dsp->ops->region_to_reg(mem, mem_addr);
3596
3597         data = cpu_to_be32(data & 0x00ffffffu);
3598
3599         return regmap_raw_write(dsp->regmap, reg, &data, sizeof(data));
3600 }
3601
3602 static inline int wm_adsp_buffer_read(struct wm_adsp_compr_buf *buf,
3603                                       unsigned int field_offset, u32 *data)
3604 {
3605         return wm_adsp_read_data_word(buf->dsp, buf->host_buf_mem_type,
3606                                       buf->host_buf_ptr + field_offset, data);
3607 }
3608
3609 static inline int wm_adsp_buffer_write(struct wm_adsp_compr_buf *buf,
3610                                        unsigned int field_offset, u32 data)
3611 {
3612         return wm_adsp_write_data_word(buf->dsp, buf->host_buf_mem_type,
3613                                        buf->host_buf_ptr + field_offset, data);
3614 }
3615
3616 static void wm_adsp_remove_padding(u32 *buf, int nwords, int data_word_size)
3617 {
3618         u8 *pack_in = (u8 *)buf;
3619         u8 *pack_out = (u8 *)buf;
3620         int i, j;
3621
3622         /* Remove the padding bytes from the data read from the DSP */
3623         for (i = 0; i < nwords; i++) {
3624                 for (j = 0; j < data_word_size; j++)
3625                         *pack_out++ = *pack_in++;
3626
3627                 pack_in += sizeof(*buf) - data_word_size;
3628         }
3629 }
3630
3631 static int wm_adsp_buffer_populate(struct wm_adsp_compr_buf *buf)
3632 {
3633         const struct wm_adsp_fw_caps *caps = wm_adsp_fw[buf->dsp->fw].caps;
3634         struct wm_adsp_buffer_region *region;
3635         u32 offset = 0;
3636         int i, ret;
3637
3638         buf->regions = kcalloc(caps->num_regions, sizeof(*buf->regions),
3639                                GFP_KERNEL);
3640         if (!buf->regions)
3641                 return -ENOMEM;
3642
3643         for (i = 0; i < caps->num_regions; ++i) {
3644                 region = &buf->regions[i];
3645
3646                 region->offset = offset;
3647                 region->mem_type = caps->region_defs[i].mem_type;
3648
3649                 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].base_offset,
3650                                           &region->base_addr);
3651                 if (ret < 0)
3652                         return ret;
3653
3654                 ret = wm_adsp_buffer_read(buf, caps->region_defs[i].size_offset,
3655                                           &offset);
3656                 if (ret < 0)
3657                         return ret;
3658
3659                 region->cumulative_size = offset;
3660
3661                 compr_dbg(buf,
3662                           "region=%d type=%d base=%08x off=%08x size=%08x\n",
3663                           i, region->mem_type, region->base_addr,
3664                           region->offset, region->cumulative_size);
3665         }
3666
3667         return 0;
3668 }
3669
3670 static void wm_adsp_buffer_clear(struct wm_adsp_compr_buf *buf)
3671 {
3672         buf->irq_count = 0xFFFFFFFF;
3673         buf->read_index = -1;
3674         buf->avail = 0;
3675 }
3676
3677 static struct wm_adsp_compr_buf *wm_adsp_buffer_alloc(struct wm_adsp *dsp)
3678 {
3679         struct wm_adsp_compr_buf *buf;
3680
3681         buf = kzalloc(sizeof(*buf), GFP_KERNEL);
3682         if (!buf)
3683                 return NULL;
3684
3685         buf->dsp = dsp;
3686
3687         wm_adsp_buffer_clear(buf);
3688
3689         list_add_tail(&buf->list, &dsp->buffer_list);
3690
3691         return buf;
3692 }
3693
3694 static int wm_adsp_buffer_parse_legacy(struct wm_adsp *dsp)
3695 {
3696         struct wm_adsp_alg_region *alg_region;
3697         struct wm_adsp_compr_buf *buf;
3698         u32 xmalg, addr, magic;
3699         int i, ret;
3700
3701         alg_region = wm_adsp_find_alg_region(dsp, WMFW_ADSP2_XM, dsp->fw_id);
3702         if (!alg_region) {
3703                 adsp_err(dsp, "No algorithm region found\n");
3704                 return -EINVAL;
3705         }
3706
3707         buf = wm_adsp_buffer_alloc(dsp);
3708         if (!buf)
3709                 return -ENOMEM;
3710
3711         xmalg = dsp->ops->sys_config_size / sizeof(__be32);
3712
3713         addr = alg_region->base + xmalg + ALG_XM_FIELD(magic);
3714         ret = wm_adsp_read_data_word(dsp, WMFW_ADSP2_XM, addr, &magic);
3715         if (ret < 0)
3716                 return ret;
3717
3718         if (magic != WM_ADSP_ALG_XM_STRUCT_MAGIC)
3719                 return -ENODEV;
3720
3721         addr = alg_region->base + xmalg + ALG_XM_FIELD(host_buf_ptr);
3722         for (i = 0; i < 5; ++i) {
3723                 ret = wm_adsp_read_data_word(dsp, WMFW_ADSP2_XM, addr,
3724                                              &buf->host_buf_ptr);
3725                 if (ret < 0)
3726                         return ret;
3727
3728                 if (buf->host_buf_ptr)
3729                         break;
3730
3731                 usleep_range(1000, 2000);
3732         }
3733
3734         if (!buf->host_buf_ptr)
3735                 return -EIO;
3736
3737         buf->host_buf_mem_type = WMFW_ADSP2_XM;
3738
3739         ret = wm_adsp_buffer_populate(buf);
3740         if (ret < 0)
3741                 return ret;
3742
3743         compr_dbg(buf, "legacy host_buf_ptr=%x\n", buf->host_buf_ptr);
3744
3745         return 0;
3746 }
3747
3748 static int wm_adsp_buffer_parse_coeff(struct wm_coeff_ctl *ctl)
3749 {
3750         struct wm_adsp_host_buf_coeff_v1 coeff_v1;
3751         struct wm_adsp_compr_buf *buf;
3752         unsigned int val, reg;
3753         int ret, i;
3754
3755         ret = wm_coeff_base_reg(ctl, &reg);
3756         if (ret)
3757                 return ret;
3758
3759         for (i = 0; i < 5; ++i) {
3760                 ret = regmap_raw_read(ctl->dsp->regmap, reg, &val, sizeof(val));
3761                 if (ret < 0)
3762                         return ret;
3763
3764                 if (val)
3765                         break;
3766
3767                 usleep_range(1000, 2000);
3768         }
3769
3770         if (!val) {
3771                 adsp_err(ctl->dsp, "Failed to acquire host buffer\n");
3772                 return -EIO;
3773         }
3774
3775         buf = wm_adsp_buffer_alloc(ctl->dsp);
3776         if (!buf)
3777                 return -ENOMEM;
3778
3779         buf->host_buf_mem_type = ctl->alg_region.type;
3780         buf->host_buf_ptr = be32_to_cpu(val);
3781
3782         ret = wm_adsp_buffer_populate(buf);
3783         if (ret < 0)
3784                 return ret;
3785
3786         /*
3787          * v0 host_buffer coefficients didn't have versioning, so if the
3788          * control is one word, assume version 0.
3789          */
3790         if (ctl->len == 4) {
3791                 compr_dbg(buf, "host_buf_ptr=%x\n", buf->host_buf_ptr);
3792                 return 0;
3793         }
3794
3795         ret = regmap_raw_read(ctl->dsp->regmap, reg, &coeff_v1,
3796                               sizeof(coeff_v1));
3797         if (ret < 0)
3798                 return ret;
3799
3800         coeff_v1.versions = be32_to_cpu(coeff_v1.versions);
3801         val = coeff_v1.versions & HOST_BUF_COEFF_COMPAT_VER_MASK;
3802         val >>= HOST_BUF_COEFF_COMPAT_VER_SHIFT;
3803
3804         if (val > HOST_BUF_COEFF_SUPPORTED_COMPAT_VER) {
3805                 adsp_err(ctl->dsp,
3806                          "Host buffer coeff ver %u > supported version %u\n",
3807                          val, HOST_BUF_COEFF_SUPPORTED_COMPAT_VER);
3808                 return -EINVAL;
3809         }
3810
3811         for (i = 0; i < ARRAY_SIZE(coeff_v1.name); i++)
3812                 coeff_v1.name[i] = be32_to_cpu(coeff_v1.name[i]);
3813
3814         wm_adsp_remove_padding((u32 *)&coeff_v1.name,
3815                                ARRAY_SIZE(coeff_v1.name),
3816                                WM_ADSP_DATA_WORD_SIZE);
3817
3818         buf->name = kasprintf(GFP_KERNEL, "%s-dsp-%s", ctl->dsp->part,
3819                               (char *)&coeff_v1.name);
3820
3821         compr_dbg(buf, "host_buf_ptr=%x coeff version %u\n",
3822                   buf->host_buf_ptr, val);
3823
3824         return val;
3825 }
3826
3827 static int wm_adsp_buffer_init(struct wm_adsp *dsp)
3828 {
3829         struct wm_coeff_ctl *ctl;
3830         int ret;
3831
3832         list_for_each_entry(ctl, &dsp->ctl_list, list) {
3833                 if (ctl->type != WMFW_CTL_TYPE_HOST_BUFFER)
3834                         continue;
3835
3836                 if (!ctl->enabled)
3837                         continue;
3838
3839                 ret = wm_adsp_buffer_parse_coeff(ctl);
3840                 if (ret < 0) {
3841                         adsp_err(dsp, "Failed to parse coeff: %d\n", ret);
3842                         goto error;
3843                 } else if (ret == 0) {
3844                         /* Only one buffer supported for version 0 */
3845                         return 0;
3846                 }
3847         }
3848
3849         if (list_empty(&dsp->buffer_list)) {
3850                 /* Fall back to legacy support */
3851                 ret = wm_adsp_buffer_parse_legacy(dsp);
3852                 if (ret) {
3853                         adsp_err(dsp, "Failed to parse legacy: %d\n", ret);
3854                         goto error;
3855                 }
3856         }
3857
3858         return 0;
3859
3860 error:
3861         wm_adsp_buffer_free(dsp);
3862         return ret;
3863 }
3864
3865 static int wm_adsp_buffer_free(struct wm_adsp *dsp)
3866 {
3867         struct wm_adsp_compr_buf *buf, *tmp;
3868
3869         list_for_each_entry_safe(buf, tmp, &dsp->buffer_list, list) {
3870                 wm_adsp_compr_detach(buf->compr);
3871
3872                 kfree(buf->name);
3873                 kfree(buf->regions);
3874                 list_del(&buf->list);
3875                 kfree(buf);
3876         }
3877
3878         return 0;
3879 }
3880
3881 static int wm_adsp_buffer_get_error(struct wm_adsp_compr_buf *buf)
3882 {
3883         int ret;
3884
3885         ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(error), &buf->error);
3886         if (ret < 0) {
3887                 compr_err(buf, "Failed to check buffer error: %d\n", ret);
3888                 return ret;
3889         }
3890         if (buf->error != 0) {
3891                 compr_err(buf, "Buffer error occurred: %d\n", buf->error);
3892                 return -EIO;
3893         }
3894
3895         return 0;
3896 }
3897
3898 int wm_adsp_compr_trigger(struct snd_compr_stream *stream, int cmd)
3899 {
3900         struct wm_adsp_compr *compr = stream->runtime->private_data;
3901         struct wm_adsp *dsp = compr->dsp;
3902         int ret = 0;
3903
3904         compr_dbg(compr, "Trigger: %d\n", cmd);
3905
3906         mutex_lock(&dsp->pwr_lock);
3907
3908         switch (cmd) {
3909         case SNDRV_PCM_TRIGGER_START:
3910                 if (!wm_adsp_compr_attached(compr)) {
3911                         ret = wm_adsp_compr_attach(compr);
3912                         if (ret < 0) {
3913                                 compr_err(compr, "Failed to link buffer and stream: %d\n",
3914                                           ret);
3915                                 break;
3916                         }
3917                 }
3918
3919                 ret = wm_adsp_buffer_get_error(compr->buf);
3920                 if (ret < 0)
3921                         break;
3922
3923                 /* Trigger the IRQ at one fragment of data */
3924                 ret = wm_adsp_buffer_write(compr->buf,
3925                                            HOST_BUFFER_FIELD(high_water_mark),
3926                                            wm_adsp_compr_frag_words(compr));
3927                 if (ret < 0) {
3928                         compr_err(compr, "Failed to set high water mark: %d\n",
3929                                   ret);
3930                         break;
3931                 }
3932                 break;
3933         case SNDRV_PCM_TRIGGER_STOP:
3934                 if (wm_adsp_compr_attached(compr))
3935                         wm_adsp_buffer_clear(compr->buf);
3936                 break;
3937         default:
3938                 ret = -EINVAL;
3939                 break;
3940         }
3941
3942         mutex_unlock(&dsp->pwr_lock);
3943
3944         return ret;
3945 }
3946 EXPORT_SYMBOL_GPL(wm_adsp_compr_trigger);
3947
3948 static inline int wm_adsp_buffer_size(struct wm_adsp_compr_buf *buf)
3949 {
3950         int last_region = wm_adsp_fw[buf->dsp->fw].caps->num_regions - 1;
3951
3952         return buf->regions[last_region].cumulative_size;
3953 }
3954
3955 static int wm_adsp_buffer_update_avail(struct wm_adsp_compr_buf *buf)
3956 {
3957         u32 next_read_index, next_write_index;
3958         int write_index, read_index, avail;
3959         int ret;
3960
3961         /* Only sync read index if we haven't already read a valid index */
3962         if (buf->read_index < 0) {
3963                 ret = wm_adsp_buffer_read(buf,
3964                                 HOST_BUFFER_FIELD(next_read_index),
3965                                 &next_read_index);
3966                 if (ret < 0)
3967                         return ret;
3968
3969                 read_index = sign_extend32(next_read_index, 23);
3970
3971                 if (read_index < 0) {
3972                         compr_dbg(buf, "Avail check on unstarted stream\n");
3973                         return 0;
3974                 }
3975
3976                 buf->read_index = read_index;
3977         }
3978
3979         ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(next_write_index),
3980                         &next_write_index);
3981         if (ret < 0)
3982                 return ret;
3983
3984         write_index = sign_extend32(next_write_index, 23);
3985
3986         avail = write_index - buf->read_index;
3987         if (avail < 0)
3988                 avail += wm_adsp_buffer_size(buf);
3989
3990         compr_dbg(buf, "readindex=0x%x, writeindex=0x%x, avail=%d\n",
3991                   buf->read_index, write_index, avail * WM_ADSP_DATA_WORD_SIZE);
3992
3993         buf->avail = avail;
3994
3995         return 0;
3996 }
3997
3998 int wm_adsp_compr_handle_irq(struct wm_adsp *dsp)
3999 {
4000         struct wm_adsp_compr_buf *buf;
4001         struct wm_adsp_compr *compr;
4002         int ret = 0;
4003
4004         mutex_lock(&dsp->pwr_lock);
4005
4006         if (list_empty(&dsp->buffer_list)) {
4007                 ret = -ENODEV;
4008                 goto out;
4009         }
4010
4011         adsp_dbg(dsp, "Handling buffer IRQ\n");
4012
4013         list_for_each_entry(buf, &dsp->buffer_list, list) {
4014                 compr = buf->compr;
4015
4016                 ret = wm_adsp_buffer_get_error(buf);
4017                 if (ret < 0)
4018                         goto out_notify; /* Wake poll to report error */
4019
4020                 ret = wm_adsp_buffer_read(buf, HOST_BUFFER_FIELD(irq_count),
4021                                           &buf->irq_count);
4022                 if (ret < 0) {
4023                         compr_err(buf, "Failed to get irq_count: %d\n", ret);
4024                         goto out;
4025                 }
4026
4027                 ret = wm_adsp_buffer_update_avail(buf);
4028                 if (ret < 0) {
4029                         compr_err(buf, "Error reading avail: %d\n", ret);
4030                         goto out;
4031                 }
4032
4033                 if (wm_adsp_fw[dsp->fw].voice_trigger && buf->irq_count == 2)
4034                         ret = WM_ADSP_COMPR_VOICE_TRIGGER;
4035
4036 out_notify:
4037                 if (compr && compr->stream)
4038                         snd_compr_fragment_elapsed(compr->stream);
4039         }
4040
4041 out:
4042         mutex_unlock(&dsp->pwr_lock);
4043
4044         return ret;
4045 }
4046 EXPORT_SYMBOL_GPL(wm_adsp_compr_handle_irq);
4047
4048 static int wm_adsp_buffer_reenable_irq(struct wm_adsp_compr_buf *buf)
4049 {
4050         if (buf->irq_count & 0x01)
4051                 return 0;
4052
4053         compr_dbg(buf, "Enable IRQ(0x%x) for next fragment\n", buf->irq_count);
4054
4055         buf->irq_count |= 0x01;
4056
4057         return wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(irq_ack),
4058                                     buf->irq_count);
4059 }
4060
4061 int wm_adsp_compr_pointer(struct snd_compr_stream *stream,
4062                           struct snd_compr_tstamp *tstamp)
4063 {
4064         struct wm_adsp_compr *compr = stream->runtime->private_data;
4065         struct wm_adsp *dsp = compr->dsp;
4066         struct wm_adsp_compr_buf *buf;
4067         int ret = 0;
4068
4069         compr_dbg(compr, "Pointer request\n");
4070
4071         mutex_lock(&dsp->pwr_lock);
4072
4073         buf = compr->buf;
4074
4075         if (dsp->fatal_error || !buf || buf->error) {
4076                 snd_compr_stop_error(stream, SNDRV_PCM_STATE_XRUN);
4077                 ret = -EIO;
4078                 goto out;
4079         }
4080
4081         if (buf->avail < wm_adsp_compr_frag_words(compr)) {
4082                 ret = wm_adsp_buffer_update_avail(buf);
4083                 if (ret < 0) {
4084                         compr_err(compr, "Error reading avail: %d\n", ret);
4085                         goto out;
4086                 }
4087
4088                 /*
4089                  * If we really have less than 1 fragment available tell the
4090                  * DSP to inform us once a whole fragment is available.
4091                  */
4092                 if (buf->avail < wm_adsp_compr_frag_words(compr)) {
4093                         ret = wm_adsp_buffer_get_error(buf);
4094                         if (ret < 0) {
4095                                 if (buf->error)
4096                                         snd_compr_stop_error(stream,
4097                                                         SNDRV_PCM_STATE_XRUN);
4098                                 goto out;
4099                         }
4100
4101                         ret = wm_adsp_buffer_reenable_irq(buf);
4102                         if (ret < 0) {
4103                                 compr_err(compr, "Failed to re-enable buffer IRQ: %d\n",
4104                                           ret);
4105                                 goto out;
4106                         }
4107                 }
4108         }
4109
4110         tstamp->copied_total = compr->copied_total;
4111         tstamp->copied_total += buf->avail * WM_ADSP_DATA_WORD_SIZE;
4112         tstamp->sampling_rate = compr->sample_rate;
4113
4114 out:
4115         mutex_unlock(&dsp->pwr_lock);
4116
4117         return ret;
4118 }
4119 EXPORT_SYMBOL_GPL(wm_adsp_compr_pointer);
4120
4121 static int wm_adsp_buffer_capture_block(struct wm_adsp_compr *compr, int target)
4122 {
4123         struct wm_adsp_compr_buf *buf = compr->buf;
4124         unsigned int adsp_addr;
4125         int mem_type, nwords, max_read;
4126         int i, ret;
4127
4128         /* Calculate read parameters */
4129         for (i = 0; i < wm_adsp_fw[buf->dsp->fw].caps->num_regions; ++i)
4130                 if (buf->read_index < buf->regions[i].cumulative_size)
4131                         break;
4132
4133         if (i == wm_adsp_fw[buf->dsp->fw].caps->num_regions)
4134                 return -EINVAL;
4135
4136         mem_type = buf->regions[i].mem_type;
4137         adsp_addr = buf->regions[i].base_addr +
4138                     (buf->read_index - buf->regions[i].offset);
4139
4140         max_read = wm_adsp_compr_frag_words(compr);
4141         nwords = buf->regions[i].cumulative_size - buf->read_index;
4142
4143         if (nwords > target)
4144                 nwords = target;
4145         if (nwords > buf->avail)
4146                 nwords = buf->avail;
4147         if (nwords > max_read)
4148                 nwords = max_read;
4149         if (!nwords)
4150                 return 0;
4151
4152         /* Read data from DSP */
4153         ret = wm_adsp_read_data_block(buf->dsp, mem_type, adsp_addr,
4154                                       nwords, compr->raw_buf);
4155         if (ret < 0)
4156                 return ret;
4157
4158         wm_adsp_remove_padding(compr->raw_buf, nwords, WM_ADSP_DATA_WORD_SIZE);
4159
4160         /* update read index to account for words read */
4161         buf->read_index += nwords;
4162         if (buf->read_index == wm_adsp_buffer_size(buf))
4163                 buf->read_index = 0;
4164
4165         ret = wm_adsp_buffer_write(buf, HOST_BUFFER_FIELD(next_read_index),
4166                                    buf->read_index);
4167         if (ret < 0)
4168                 return ret;
4169
4170         /* update avail to account for words read */
4171         buf->avail -= nwords;
4172
4173         return nwords;
4174 }
4175
4176 static int wm_adsp_compr_read(struct wm_adsp_compr *compr,
4177                               char __user *buf, size_t count)
4178 {
4179         struct wm_adsp *dsp = compr->dsp;
4180         int ntotal = 0;
4181         int nwords, nbytes;
4182
4183         compr_dbg(compr, "Requested read of %zu bytes\n", count);
4184
4185         if (dsp->fatal_error || !compr->buf || compr->buf->error) {
4186                 snd_compr_stop_error(compr->stream, SNDRV_PCM_STATE_XRUN);
4187                 return -EIO;
4188         }
4189
4190         count /= WM_ADSP_DATA_WORD_SIZE;
4191
4192         do {
4193                 nwords = wm_adsp_buffer_capture_block(compr, count);
4194                 if (nwords < 0) {
4195                         compr_err(compr, "Failed to capture block: %d\n",
4196                                   nwords);
4197                         return nwords;
4198                 }
4199
4200                 nbytes = nwords * WM_ADSP_DATA_WORD_SIZE;
4201
4202                 compr_dbg(compr, "Read %d bytes\n", nbytes);
4203
4204                 if (copy_to_user(buf + ntotal, compr->raw_buf, nbytes)) {
4205                         compr_err(compr, "Failed to copy data to user: %d, %d\n",
4206                                   ntotal, nbytes);
4207                         return -EFAULT;
4208                 }
4209
4210                 count -= nwords;
4211                 ntotal += nbytes;
4212         } while (nwords > 0 && count > 0);
4213
4214         compr->copied_total += ntotal;
4215
4216         return ntotal;
4217 }
4218
4219 int wm_adsp_compr_copy(struct snd_compr_stream *stream, char __user *buf,
4220                        size_t count)
4221 {
4222         struct wm_adsp_compr *compr = stream->runtime->private_data;
4223         struct wm_adsp *dsp = compr->dsp;
4224         int ret;
4225
4226         mutex_lock(&dsp->pwr_lock);
4227
4228         if (stream->direction == SND_COMPRESS_CAPTURE)
4229                 ret = wm_adsp_compr_read(compr, buf, count);
4230         else
4231                 ret = -ENOTSUPP;
4232
4233         mutex_unlock(&dsp->pwr_lock);
4234
4235         return ret;
4236 }
4237 EXPORT_SYMBOL_GPL(wm_adsp_compr_copy);
4238
4239 static void wm_adsp_fatal_error(struct wm_adsp *dsp)
4240 {
4241         struct wm_adsp_compr *compr;
4242
4243         dsp->fatal_error = true;
4244
4245         list_for_each_entry(compr, &dsp->compr_list, list) {
4246                 if (compr->stream)
4247                         snd_compr_fragment_elapsed(compr->stream);
4248         }
4249 }
4250
4251 irqreturn_t wm_adsp2_bus_error(int irq, void *data)
4252 {
4253         struct wm_adsp *dsp = (struct wm_adsp *)data;
4254         unsigned int val;
4255         struct regmap *regmap = dsp->regmap;
4256         int ret = 0;
4257
4258         mutex_lock(&dsp->pwr_lock);
4259
4260         ret = regmap_read(regmap, dsp->base + ADSP2_LOCK_REGION_CTRL, &val);
4261         if (ret) {
4262                 adsp_err(dsp,
4263                         "Failed to read Region Lock Ctrl register: %d\n", ret);
4264                 goto error;
4265         }
4266
4267         if (val & ADSP2_WDT_TIMEOUT_STS_MASK) {
4268                 adsp_err(dsp, "watchdog timeout error\n");
4269                 dsp->ops->stop_watchdog(dsp);
4270                 wm_adsp_fatal_error(dsp);
4271         }
4272
4273         if (val & (ADSP2_SLAVE_ERR_MASK | ADSP2_REGION_LOCK_ERR_MASK)) {
4274                 if (val & ADSP2_SLAVE_ERR_MASK)
4275                         adsp_err(dsp, "bus error: slave error\n");
4276                 else
4277                         adsp_err(dsp, "bus error: region lock error\n");
4278
4279                 ret = regmap_read(regmap, dsp->base + ADSP2_BUS_ERR_ADDR, &val);
4280                 if (ret) {
4281                         adsp_err(dsp,
4282                                  "Failed to read Bus Err Addr register: %d\n",
4283                                  ret);
4284                         goto error;
4285                 }
4286
4287                 adsp_err(dsp, "bus error address = 0x%x\n",
4288                          val & ADSP2_BUS_ERR_ADDR_MASK);
4289
4290                 ret = regmap_read(regmap,
4291                                   dsp->base + ADSP2_PMEM_ERR_ADDR_XMEM_ERR_ADDR,
4292                                   &val);
4293                 if (ret) {
4294                         adsp_err(dsp,
4295                                  "Failed to read Pmem Xmem Err Addr register: %d\n",
4296                                  ret);
4297                         goto error;
4298                 }
4299
4300                 adsp_err(dsp, "xmem error address = 0x%x\n",
4301                          val & ADSP2_XMEM_ERR_ADDR_MASK);
4302                 adsp_err(dsp, "pmem error address = 0x%x\n",
4303                          (val & ADSP2_PMEM_ERR_ADDR_MASK) >>
4304                          ADSP2_PMEM_ERR_ADDR_SHIFT);
4305         }
4306
4307         regmap_update_bits(regmap, dsp->base + ADSP2_LOCK_REGION_CTRL,
4308                            ADSP2_CTRL_ERR_EINT, ADSP2_CTRL_ERR_EINT);
4309
4310 error:
4311         mutex_unlock(&dsp->pwr_lock);
4312
4313         return IRQ_HANDLED;
4314 }
4315 EXPORT_SYMBOL_GPL(wm_adsp2_bus_error);
4316
4317 irqreturn_t wm_halo_bus_error(int irq, void *data)
4318 {
4319         struct wm_adsp *dsp = (struct wm_adsp *)data;
4320         struct regmap *regmap = dsp->regmap;
4321         unsigned int fault[6];
4322         struct reg_sequence clear[] = {
4323                 { dsp->base + HALO_MPU_XM_VIO_STATUS,     0x0 },
4324                 { dsp->base + HALO_MPU_YM_VIO_STATUS,     0x0 },
4325                 { dsp->base + HALO_MPU_PM_VIO_STATUS,     0x0 },
4326         };
4327         int ret;
4328
4329         mutex_lock(&dsp->pwr_lock);
4330
4331         ret = regmap_read(regmap, dsp->base_sysinfo + HALO_AHBM_WINDOW_DEBUG_1,
4332                           fault);
4333         if (ret) {
4334                 adsp_warn(dsp, "Failed to read AHB DEBUG_1: %d\n", ret);
4335                 goto exit_unlock;
4336         }
4337
4338         adsp_warn(dsp, "AHB: STATUS: 0x%x ADDR: 0x%x\n",
4339                   *fault & HALO_AHBM_FLAGS_ERR_MASK,
4340                   (*fault & HALO_AHBM_CORE_ERR_ADDR_MASK) >>
4341                   HALO_AHBM_CORE_ERR_ADDR_SHIFT);
4342
4343         ret = regmap_read(regmap, dsp->base_sysinfo + HALO_AHBM_WINDOW_DEBUG_0,
4344                           fault);
4345         if (ret) {
4346                 adsp_warn(dsp, "Failed to read AHB DEBUG_0: %d\n", ret);
4347                 goto exit_unlock;
4348         }
4349
4350         adsp_warn(dsp, "AHB: SYS_ADDR: 0x%x\n", *fault);
4351
4352         ret = regmap_bulk_read(regmap, dsp->base + HALO_MPU_XM_VIO_ADDR,
4353                                fault, ARRAY_SIZE(fault));
4354         if (ret) {
4355                 adsp_warn(dsp, "Failed to read MPU fault info: %d\n", ret);
4356                 goto exit_unlock;
4357         }
4358
4359         adsp_warn(dsp, "XM: STATUS:0x%x ADDR:0x%x\n", fault[1], fault[0]);
4360         adsp_warn(dsp, "YM: STATUS:0x%x ADDR:0x%x\n", fault[3], fault[2]);
4361         adsp_warn(dsp, "PM: STATUS:0x%x ADDR:0x%x\n", fault[5], fault[4]);
4362
4363         ret = regmap_multi_reg_write(dsp->regmap, clear, ARRAY_SIZE(clear));
4364         if (ret)
4365                 adsp_warn(dsp, "Failed to clear MPU status: %d\n", ret);
4366
4367 exit_unlock:
4368         mutex_unlock(&dsp->pwr_lock);
4369
4370         return IRQ_HANDLED;
4371 }
4372 EXPORT_SYMBOL_GPL(wm_halo_bus_error);
4373
4374 irqreturn_t wm_halo_wdt_expire(int irq, void *data)
4375 {
4376         struct wm_adsp *dsp = data;
4377
4378         mutex_lock(&dsp->pwr_lock);
4379
4380         adsp_warn(dsp, "WDT Expiry Fault\n");
4381         dsp->ops->stop_watchdog(dsp);
4382         wm_adsp_fatal_error(dsp);
4383
4384         mutex_unlock(&dsp->pwr_lock);
4385
4386         return IRQ_HANDLED;
4387 }
4388 EXPORT_SYMBOL_GPL(wm_halo_wdt_expire);
4389
4390 static struct wm_adsp_ops wm_adsp1_ops = {
4391         .validate_version = wm_adsp_validate_version,
4392         .parse_sizes = wm_adsp1_parse_sizes,
4393         .region_to_reg = wm_adsp_region_to_reg,
4394 };
4395
4396 static struct wm_adsp_ops wm_adsp2_ops[] = {
4397         {
4398                 .sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr),
4399                 .parse_sizes = wm_adsp2_parse_sizes,
4400                 .validate_version = wm_adsp_validate_version,
4401                 .setup_algs = wm_adsp2_setup_algs,
4402                 .region_to_reg = wm_adsp_region_to_reg,
4403
4404                 .show_fw_status = wm_adsp2_show_fw_status,
4405
4406                 .enable_memory = wm_adsp2_enable_memory,
4407                 .disable_memory = wm_adsp2_disable_memory,
4408
4409                 .enable_core = wm_adsp2_enable_core,
4410                 .disable_core = wm_adsp2_disable_core,
4411
4412                 .start_core = wm_adsp2_start_core,
4413                 .stop_core = wm_adsp2_stop_core,
4414
4415         },
4416         {
4417                 .sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr),
4418                 .parse_sizes = wm_adsp2_parse_sizes,
4419                 .validate_version = wm_adsp_validate_version,
4420                 .setup_algs = wm_adsp2_setup_algs,
4421                 .region_to_reg = wm_adsp_region_to_reg,
4422
4423                 .show_fw_status = wm_adsp2v2_show_fw_status,
4424
4425                 .enable_memory = wm_adsp2_enable_memory,
4426                 .disable_memory = wm_adsp2_disable_memory,
4427                 .lock_memory = wm_adsp2_lock,
4428
4429                 .enable_core = wm_adsp2v2_enable_core,
4430                 .disable_core = wm_adsp2v2_disable_core,
4431
4432                 .start_core = wm_adsp2_start_core,
4433                 .stop_core = wm_adsp2_stop_core,
4434         },
4435         {
4436                 .sys_config_size = sizeof(struct wm_adsp_system_config_xm_hdr),
4437                 .parse_sizes = wm_adsp2_parse_sizes,
4438                 .validate_version = wm_adsp_validate_version,
4439                 .setup_algs = wm_adsp2_setup_algs,
4440                 .region_to_reg = wm_adsp_region_to_reg,
4441
4442                 .show_fw_status = wm_adsp2v2_show_fw_status,
4443                 .stop_watchdog = wm_adsp_stop_watchdog,
4444
4445                 .enable_memory = wm_adsp2_enable_memory,
4446                 .disable_memory = wm_adsp2_disable_memory,
4447                 .lock_memory = wm_adsp2_lock,
4448
4449                 .enable_core = wm_adsp2v2_enable_core,
4450                 .disable_core = wm_adsp2v2_disable_core,
4451
4452                 .start_core = wm_adsp2_start_core,
4453                 .stop_core = wm_adsp2_stop_core,
4454         },
4455 };
4456
4457 static struct wm_adsp_ops wm_halo_ops = {
4458         .sys_config_size = sizeof(struct wm_halo_system_config_xm_hdr),
4459         .parse_sizes = wm_adsp2_parse_sizes,
4460         .validate_version = wm_halo_validate_version,
4461         .setup_algs = wm_halo_setup_algs,
4462         .region_to_reg = wm_halo_region_to_reg,
4463
4464         .show_fw_status = wm_halo_show_fw_status,
4465         .stop_watchdog = wm_halo_stop_watchdog,
4466
4467         .lock_memory = wm_halo_configure_mpu,
4468
4469         .start_core = wm_halo_start_core,
4470         .stop_core = wm_halo_stop_core,
4471 };
4472
4473 MODULE_LICENSE("GPL v2");