1 /* 2 * wm_adsp.c -- Wolfson ADSP support 3 * 4 * Copyright 2012 Wolfson Microelectronics plc 5 * 6 * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11 */ 12 13 #include <linux/module.h> 14 #include <linux/moduleparam.h> 15 #include <linux/init.h> 16 #include <linux/delay.h> 17 #include <linux/firmware.h> 18 #include <linux/list.h> 19 #include <linux/pm.h> 20 #include <linux/pm_runtime.h> 21 #include <linux/regmap.h> 22 #include <linux/regulator/consumer.h> 23 #include <linux/slab.h> 24 #include <linux/workqueue.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 <linux/mfd/arizona/registers.h> 34 35 #include "arizona.h" 36 #include "wm_adsp.h" 37 38 #define adsp_crit(_dsp, fmt, ...) \ 39 dev_crit(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__) 40 #define adsp_err(_dsp, fmt, ...) \ 41 dev_err(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__) 42 #define adsp_warn(_dsp, fmt, ...) \ 43 dev_warn(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__) 44 #define adsp_info(_dsp, fmt, ...) \ 45 dev_info(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__) 46 #define adsp_dbg(_dsp, fmt, ...) \ 47 dev_dbg(_dsp->dev, "DSP%d: " fmt, _dsp->num, ##__VA_ARGS__) 48 49 #define ADSP1_CONTROL_1 0x00 50 #define ADSP1_CONTROL_2 0x02 51 #define ADSP1_CONTROL_3 0x03 52 #define ADSP1_CONTROL_4 0x04 53 #define ADSP1_CONTROL_5 0x06 54 #define ADSP1_CONTROL_6 0x07 55 #define ADSP1_CONTROL_7 0x08 56 #define ADSP1_CONTROL_8 0x09 57 #define ADSP1_CONTROL_9 0x0A 58 #define ADSP1_CONTROL_10 0x0B 59 #define ADSP1_CONTROL_11 0x0C 60 #define ADSP1_CONTROL_12 0x0D 61 #define ADSP1_CONTROL_13 0x0F 62 #define ADSP1_CONTROL_14 0x10 63 #define ADSP1_CONTROL_15 0x11 64 #define ADSP1_CONTROL_16 0x12 65 #define ADSP1_CONTROL_17 0x13 66 #define ADSP1_CONTROL_18 0x14 67 #define ADSP1_CONTROL_19 0x16 68 #define ADSP1_CONTROL_20 0x17 69 #define ADSP1_CONTROL_21 0x18 70 #define ADSP1_CONTROL_22 0x1A 71 #define ADSP1_CONTROL_23 0x1B 72 #define ADSP1_CONTROL_24 0x1C 73 #define ADSP1_CONTROL_25 0x1E 74 #define ADSP1_CONTROL_26 0x20 75 #define ADSP1_CONTROL_27 0x21 76 #define ADSP1_CONTROL_28 0x22 77 #define ADSP1_CONTROL_29 0x23 78 #define ADSP1_CONTROL_30 0x24 79 #define ADSP1_CONTROL_31 0x26 80 81 /* 82 * ADSP1 Control 19 83 */ 84 #define ADSP1_WDMA_BUFFER_LENGTH_MASK 0x00FF /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */ 85 #define ADSP1_WDMA_BUFFER_LENGTH_SHIFT 0 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */ 86 #define ADSP1_WDMA_BUFFER_LENGTH_WIDTH 8 /* DSP1_WDMA_BUFFER_LENGTH - [7:0] */ 87 88 89 /* 90 * ADSP1 Control 30 91 */ 92 #define ADSP1_DBG_CLK_ENA 0x0008 /* DSP1_DBG_CLK_ENA */ 93 #define ADSP1_DBG_CLK_ENA_MASK 0x0008 /* DSP1_DBG_CLK_ENA */ 94 #define ADSP1_DBG_CLK_ENA_SHIFT 3 /* DSP1_DBG_CLK_ENA */ 95 #define ADSP1_DBG_CLK_ENA_WIDTH 1 /* DSP1_DBG_CLK_ENA */ 96 #define ADSP1_SYS_ENA 0x0004 /* DSP1_SYS_ENA */ 97 #define ADSP1_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */ 98 #define ADSP1_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */ 99 #define ADSP1_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */ 100 #define ADSP1_CORE_ENA 0x0002 /* DSP1_CORE_ENA */ 101 #define ADSP1_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */ 102 #define ADSP1_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */ 103 #define ADSP1_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */ 104 #define ADSP1_START 0x0001 /* DSP1_START */ 105 #define ADSP1_START_MASK 0x0001 /* DSP1_START */ 106 #define ADSP1_START_SHIFT 0 /* DSP1_START */ 107 #define ADSP1_START_WIDTH 1 /* DSP1_START */ 108 109 /* 110 * ADSP1 Control 31 111 */ 112 #define ADSP1_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */ 113 #define ADSP1_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */ 114 #define ADSP1_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */ 115 116 #define ADSP2_CONTROL 0x0 117 #define ADSP2_CLOCKING 0x1 118 #define ADSP2_STATUS1 0x4 119 #define ADSP2_WDMA_CONFIG_1 0x30 120 #define ADSP2_WDMA_CONFIG_2 0x31 121 #define ADSP2_RDMA_CONFIG_1 0x34 122 123 /* 124 * ADSP2 Control 125 */ 126 127 #define ADSP2_MEM_ENA 0x0010 /* DSP1_MEM_ENA */ 128 #define ADSP2_MEM_ENA_MASK 0x0010 /* DSP1_MEM_ENA */ 129 #define ADSP2_MEM_ENA_SHIFT 4 /* DSP1_MEM_ENA */ 130 #define ADSP2_MEM_ENA_WIDTH 1 /* DSP1_MEM_ENA */ 131 #define ADSP2_SYS_ENA 0x0004 /* DSP1_SYS_ENA */ 132 #define ADSP2_SYS_ENA_MASK 0x0004 /* DSP1_SYS_ENA */ 133 #define ADSP2_SYS_ENA_SHIFT 2 /* DSP1_SYS_ENA */ 134 #define ADSP2_SYS_ENA_WIDTH 1 /* DSP1_SYS_ENA */ 135 #define ADSP2_CORE_ENA 0x0002 /* DSP1_CORE_ENA */ 136 #define ADSP2_CORE_ENA_MASK 0x0002 /* DSP1_CORE_ENA */ 137 #define ADSP2_CORE_ENA_SHIFT 1 /* DSP1_CORE_ENA */ 138 #define ADSP2_CORE_ENA_WIDTH 1 /* DSP1_CORE_ENA */ 139 #define ADSP2_START 0x0001 /* DSP1_START */ 140 #define ADSP2_START_MASK 0x0001 /* DSP1_START */ 141 #define ADSP2_START_SHIFT 0 /* DSP1_START */ 142 #define ADSP2_START_WIDTH 1 /* DSP1_START */ 143 144 /* 145 * ADSP2 clocking 146 */ 147 #define ADSP2_CLK_SEL_MASK 0x0007 /* CLK_SEL_ENA */ 148 #define ADSP2_CLK_SEL_SHIFT 0 /* CLK_SEL_ENA */ 149 #define ADSP2_CLK_SEL_WIDTH 3 /* CLK_SEL_ENA */ 150 151 /* 152 * ADSP2 Status 1 153 */ 154 #define ADSP2_RAM_RDY 0x0001 155 #define ADSP2_RAM_RDY_MASK 0x0001 156 #define ADSP2_RAM_RDY_SHIFT 0 157 #define ADSP2_RAM_RDY_WIDTH 1 158 159 struct wm_adsp_buf { 160 struct list_head list; 161 void *buf; 162 }; 163 164 static struct wm_adsp_buf *wm_adsp_buf_alloc(const void *src, size_t len, 165 struct list_head *list) 166 { 167 struct wm_adsp_buf *buf = kzalloc(sizeof(*buf), GFP_KERNEL); 168 169 if (buf == NULL) 170 return NULL; 171 172 buf->buf = kmemdup(src, len, GFP_KERNEL | GFP_DMA); 173 if (!buf->buf) { 174 kfree(buf); 175 return NULL; 176 } 177 178 if (list) 179 list_add_tail(&buf->list, list); 180 181 return buf; 182 } 183 184 static void wm_adsp_buf_free(struct list_head *list) 185 { 186 while (!list_empty(list)) { 187 struct wm_adsp_buf *buf = list_first_entry(list, 188 struct wm_adsp_buf, 189 list); 190 list_del(&buf->list); 191 kfree(buf->buf); 192 kfree(buf); 193 } 194 } 195 196 #define WM_ADSP_NUM_FW 4 197 198 #define WM_ADSP_FW_MBC_VSS 0 199 #define WM_ADSP_FW_TX 1 200 #define WM_ADSP_FW_TX_SPK 2 201 #define WM_ADSP_FW_RX_ANC 3 202 203 static const char *wm_adsp_fw_text[WM_ADSP_NUM_FW] = { 204 [WM_ADSP_FW_MBC_VSS] = "MBC/VSS", 205 [WM_ADSP_FW_TX] = "Tx", 206 [WM_ADSP_FW_TX_SPK] = "Tx Speaker", 207 [WM_ADSP_FW_RX_ANC] = "Rx ANC", 208 }; 209 210 static struct { 211 const char *file; 212 } wm_adsp_fw[WM_ADSP_NUM_FW] = { 213 [WM_ADSP_FW_MBC_VSS] = { .file = "mbc-vss" }, 214 [WM_ADSP_FW_TX] = { .file = "tx" }, 215 [WM_ADSP_FW_TX_SPK] = { .file = "tx-spk" }, 216 [WM_ADSP_FW_RX_ANC] = { .file = "rx-anc" }, 217 }; 218 219 struct wm_coeff_ctl_ops { 220 int (*xget)(struct snd_kcontrol *kcontrol, 221 struct snd_ctl_elem_value *ucontrol); 222 int (*xput)(struct snd_kcontrol *kcontrol, 223 struct snd_ctl_elem_value *ucontrol); 224 int (*xinfo)(struct snd_kcontrol *kcontrol, 225 struct snd_ctl_elem_info *uinfo); 226 }; 227 228 struct wm_coeff_ctl { 229 const char *name; 230 struct wm_adsp_alg_region region; 231 struct wm_coeff_ctl_ops ops; 232 struct wm_adsp *adsp; 233 void *private; 234 unsigned int enabled:1; 235 struct list_head list; 236 void *cache; 237 size_t len; 238 unsigned int set:1; 239 struct snd_kcontrol *kcontrol; 240 }; 241 242 static int wm_adsp_fw_get(struct snd_kcontrol *kcontrol, 243 struct snd_ctl_elem_value *ucontrol) 244 { 245 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 246 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 247 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec); 248 249 ucontrol->value.integer.value[0] = adsp[e->shift_l].fw; 250 251 return 0; 252 } 253 254 static int wm_adsp_fw_put(struct snd_kcontrol *kcontrol, 255 struct snd_ctl_elem_value *ucontrol) 256 { 257 struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); 258 struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; 259 struct wm_adsp *adsp = snd_soc_codec_get_drvdata(codec); 260 261 if (ucontrol->value.integer.value[0] == adsp[e->shift_l].fw) 262 return 0; 263 264 if (ucontrol->value.integer.value[0] >= WM_ADSP_NUM_FW) 265 return -EINVAL; 266 267 if (adsp[e->shift_l].running) 268 return -EBUSY; 269 270 adsp[e->shift_l].fw = ucontrol->value.integer.value[0]; 271 272 return 0; 273 } 274 275 static const struct soc_enum wm_adsp_fw_enum[] = { 276 SOC_ENUM_SINGLE(0, 0, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 277 SOC_ENUM_SINGLE(0, 1, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 278 SOC_ENUM_SINGLE(0, 2, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 279 SOC_ENUM_SINGLE(0, 3, ARRAY_SIZE(wm_adsp_fw_text), wm_adsp_fw_text), 280 }; 281 282 const struct snd_kcontrol_new wm_adsp1_fw_controls[] = { 283 SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0], 284 wm_adsp_fw_get, wm_adsp_fw_put), 285 SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1], 286 wm_adsp_fw_get, wm_adsp_fw_put), 287 SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2], 288 wm_adsp_fw_get, wm_adsp_fw_put), 289 }; 290 EXPORT_SYMBOL_GPL(wm_adsp1_fw_controls); 291 292 #if IS_ENABLED(CONFIG_SND_SOC_ARIZONA) 293 static const struct soc_enum wm_adsp2_rate_enum[] = { 294 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP1_CONTROL_1, 295 ARIZONA_DSP1_RATE_SHIFT, 0xf, 296 ARIZONA_RATE_ENUM_SIZE, 297 arizona_rate_text, arizona_rate_val), 298 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP2_CONTROL_1, 299 ARIZONA_DSP1_RATE_SHIFT, 0xf, 300 ARIZONA_RATE_ENUM_SIZE, 301 arizona_rate_text, arizona_rate_val), 302 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP3_CONTROL_1, 303 ARIZONA_DSP1_RATE_SHIFT, 0xf, 304 ARIZONA_RATE_ENUM_SIZE, 305 arizona_rate_text, arizona_rate_val), 306 SOC_VALUE_ENUM_SINGLE(ARIZONA_DSP4_CONTROL_1, 307 ARIZONA_DSP1_RATE_SHIFT, 0xf, 308 ARIZONA_RATE_ENUM_SIZE, 309 arizona_rate_text, arizona_rate_val), 310 }; 311 312 const struct snd_kcontrol_new wm_adsp2_fw_controls[] = { 313 SOC_ENUM_EXT("DSP1 Firmware", wm_adsp_fw_enum[0], 314 wm_adsp_fw_get, wm_adsp_fw_put), 315 SOC_ENUM("DSP1 Rate", wm_adsp2_rate_enum[0]), 316 SOC_ENUM_EXT("DSP2 Firmware", wm_adsp_fw_enum[1], 317 wm_adsp_fw_get, wm_adsp_fw_put), 318 SOC_ENUM("DSP2 Rate", wm_adsp2_rate_enum[1]), 319 SOC_ENUM_EXT("DSP3 Firmware", wm_adsp_fw_enum[2], 320 wm_adsp_fw_get, wm_adsp_fw_put), 321 SOC_ENUM("DSP3 Rate", wm_adsp2_rate_enum[2]), 322 SOC_ENUM_EXT("DSP4 Firmware", wm_adsp_fw_enum[3], 323 wm_adsp_fw_get, wm_adsp_fw_put), 324 SOC_ENUM("DSP4 Rate", wm_adsp2_rate_enum[3]), 325 }; 326 EXPORT_SYMBOL_GPL(wm_adsp2_fw_controls); 327 #endif 328 329 static struct wm_adsp_region const *wm_adsp_find_region(struct wm_adsp *dsp, 330 int type) 331 { 332 int i; 333 334 for (i = 0; i < dsp->num_mems; i++) 335 if (dsp->mem[i].type == type) 336 return &dsp->mem[i]; 337 338 return NULL; 339 } 340 341 static unsigned int wm_adsp_region_to_reg(struct wm_adsp_region const *region, 342 unsigned int offset) 343 { 344 if (WARN_ON(!region)) 345 return offset; 346 switch (region->type) { 347 case WMFW_ADSP1_PM: 348 return region->base + (offset * 3); 349 case WMFW_ADSP1_DM: 350 return region->base + (offset * 2); 351 case WMFW_ADSP2_XM: 352 return region->base + (offset * 2); 353 case WMFW_ADSP2_YM: 354 return region->base + (offset * 2); 355 case WMFW_ADSP1_ZM: 356 return region->base + (offset * 2); 357 default: 358 WARN(1, "Unknown memory region type"); 359 return offset; 360 } 361 } 362 363 static int wm_coeff_info(struct snd_kcontrol *kcontrol, 364 struct snd_ctl_elem_info *uinfo) 365 { 366 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value; 367 368 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; 369 uinfo->count = ctl->len; 370 return 0; 371 } 372 373 static int wm_coeff_write_control(struct snd_kcontrol *kcontrol, 374 const void *buf, size_t len) 375 { 376 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value; 377 struct wm_adsp_alg_region *region = &ctl->region; 378 const struct wm_adsp_region *mem; 379 struct wm_adsp *adsp = ctl->adsp; 380 void *scratch; 381 int ret; 382 unsigned int reg; 383 384 mem = wm_adsp_find_region(adsp, region->type); 385 if (!mem) { 386 adsp_err(adsp, "No base for region %x\n", 387 region->type); 388 return -EINVAL; 389 } 390 391 reg = ctl->region.base; 392 reg = wm_adsp_region_to_reg(mem, reg); 393 394 scratch = kmemdup(buf, ctl->len, GFP_KERNEL | GFP_DMA); 395 if (!scratch) 396 return -ENOMEM; 397 398 ret = regmap_raw_write(adsp->regmap, reg, scratch, 399 ctl->len); 400 if (ret) { 401 adsp_err(adsp, "Failed to write %zu bytes to %x: %d\n", 402 ctl->len, reg, ret); 403 kfree(scratch); 404 return ret; 405 } 406 adsp_dbg(adsp, "Wrote %zu bytes to %x\n", ctl->len, reg); 407 408 kfree(scratch); 409 410 return 0; 411 } 412 413 static int wm_coeff_put(struct snd_kcontrol *kcontrol, 414 struct snd_ctl_elem_value *ucontrol) 415 { 416 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value; 417 char *p = ucontrol->value.bytes.data; 418 419 memcpy(ctl->cache, p, ctl->len); 420 421 if (!ctl->enabled) { 422 ctl->set = 1; 423 return 0; 424 } 425 426 return wm_coeff_write_control(kcontrol, p, ctl->len); 427 } 428 429 static int wm_coeff_read_control(struct snd_kcontrol *kcontrol, 430 void *buf, size_t len) 431 { 432 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value; 433 struct wm_adsp_alg_region *region = &ctl->region; 434 const struct wm_adsp_region *mem; 435 struct wm_adsp *adsp = ctl->adsp; 436 void *scratch; 437 int ret; 438 unsigned int reg; 439 440 mem = wm_adsp_find_region(adsp, region->type); 441 if (!mem) { 442 adsp_err(adsp, "No base for region %x\n", 443 region->type); 444 return -EINVAL; 445 } 446 447 reg = ctl->region.base; 448 reg = wm_adsp_region_to_reg(mem, reg); 449 450 scratch = kmalloc(ctl->len, GFP_KERNEL | GFP_DMA); 451 if (!scratch) 452 return -ENOMEM; 453 454 ret = regmap_raw_read(adsp->regmap, reg, scratch, ctl->len); 455 if (ret) { 456 adsp_err(adsp, "Failed to read %zu bytes from %x: %d\n", 457 ctl->len, reg, ret); 458 kfree(scratch); 459 return ret; 460 } 461 adsp_dbg(adsp, "Read %zu bytes from %x\n", ctl->len, reg); 462 463 memcpy(buf, scratch, ctl->len); 464 kfree(scratch); 465 466 return 0; 467 } 468 469 static int wm_coeff_get(struct snd_kcontrol *kcontrol, 470 struct snd_ctl_elem_value *ucontrol) 471 { 472 struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kcontrol->private_value; 473 char *p = ucontrol->value.bytes.data; 474 475 memcpy(p, ctl->cache, ctl->len); 476 return 0; 477 } 478 479 struct wmfw_ctl_work { 480 struct wm_adsp *adsp; 481 struct wm_coeff_ctl *ctl; 482 struct work_struct work; 483 }; 484 485 static int wmfw_add_ctl(struct wm_adsp *adsp, struct wm_coeff_ctl *ctl) 486 { 487 struct snd_kcontrol_new *kcontrol; 488 int ret; 489 490 if (!ctl || !ctl->name) 491 return -EINVAL; 492 493 kcontrol = kzalloc(sizeof(*kcontrol), GFP_KERNEL); 494 if (!kcontrol) 495 return -ENOMEM; 496 kcontrol->iface = SNDRV_CTL_ELEM_IFACE_MIXER; 497 498 kcontrol->name = ctl->name; 499 kcontrol->info = wm_coeff_info; 500 kcontrol->get = wm_coeff_get; 501 kcontrol->put = wm_coeff_put; 502 kcontrol->private_value = (unsigned long)ctl; 503 504 ret = snd_soc_add_card_controls(adsp->card, 505 kcontrol, 1); 506 if (ret < 0) 507 goto err_kcontrol; 508 509 kfree(kcontrol); 510 511 ctl->kcontrol = snd_soc_card_get_kcontrol(adsp->card, 512 ctl->name); 513 514 list_add(&ctl->list, &adsp->ctl_list); 515 return 0; 516 517 err_kcontrol: 518 kfree(kcontrol); 519 return ret; 520 } 521 522 static int wm_adsp_load(struct wm_adsp *dsp) 523 { 524 LIST_HEAD(buf_list); 525 const struct firmware *firmware; 526 struct regmap *regmap = dsp->regmap; 527 unsigned int pos = 0; 528 const struct wmfw_header *header; 529 const struct wmfw_adsp1_sizes *adsp1_sizes; 530 const struct wmfw_adsp2_sizes *adsp2_sizes; 531 const struct wmfw_footer *footer; 532 const struct wmfw_region *region; 533 const struct wm_adsp_region *mem; 534 const char *region_name; 535 char *file, *text; 536 struct wm_adsp_buf *buf; 537 unsigned int reg; 538 int regions = 0; 539 int ret, offset, type, sizes; 540 541 file = kzalloc(PAGE_SIZE, GFP_KERNEL); 542 if (file == NULL) 543 return -ENOMEM; 544 545 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.wmfw", dsp->part, dsp->num, 546 wm_adsp_fw[dsp->fw].file); 547 file[PAGE_SIZE - 1] = '\0'; 548 549 ret = request_firmware(&firmware, file, dsp->dev); 550 if (ret != 0) { 551 adsp_err(dsp, "Failed to request '%s'\n", file); 552 goto out; 553 } 554 ret = -EINVAL; 555 556 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer); 557 if (pos >= firmware->size) { 558 adsp_err(dsp, "%s: file too short, %zu bytes\n", 559 file, firmware->size); 560 goto out_fw; 561 } 562 563 header = (void*)&firmware->data[0]; 564 565 if (memcmp(&header->magic[0], "WMFW", 4) != 0) { 566 adsp_err(dsp, "%s: invalid magic\n", file); 567 goto out_fw; 568 } 569 570 if (header->ver != 0) { 571 adsp_err(dsp, "%s: unknown file format %d\n", 572 file, header->ver); 573 goto out_fw; 574 } 575 adsp_info(dsp, "Firmware version: %d\n", header->ver); 576 577 if (header->core != dsp->type) { 578 adsp_err(dsp, "%s: invalid core %d != %d\n", 579 file, header->core, dsp->type); 580 goto out_fw; 581 } 582 583 switch (dsp->type) { 584 case WMFW_ADSP1: 585 pos = sizeof(*header) + sizeof(*adsp1_sizes) + sizeof(*footer); 586 adsp1_sizes = (void *)&(header[1]); 587 footer = (void *)&(adsp1_sizes[1]); 588 sizes = sizeof(*adsp1_sizes); 589 590 adsp_dbg(dsp, "%s: %d DM, %d PM, %d ZM\n", 591 file, le32_to_cpu(adsp1_sizes->dm), 592 le32_to_cpu(adsp1_sizes->pm), 593 le32_to_cpu(adsp1_sizes->zm)); 594 break; 595 596 case WMFW_ADSP2: 597 pos = sizeof(*header) + sizeof(*adsp2_sizes) + sizeof(*footer); 598 adsp2_sizes = (void *)&(header[1]); 599 footer = (void *)&(adsp2_sizes[1]); 600 sizes = sizeof(*adsp2_sizes); 601 602 adsp_dbg(dsp, "%s: %d XM, %d YM %d PM, %d ZM\n", 603 file, le32_to_cpu(adsp2_sizes->xm), 604 le32_to_cpu(adsp2_sizes->ym), 605 le32_to_cpu(adsp2_sizes->pm), 606 le32_to_cpu(adsp2_sizes->zm)); 607 break; 608 609 default: 610 WARN(1, "Unknown DSP type"); 611 goto out_fw; 612 } 613 614 if (le32_to_cpu(header->len) != sizeof(*header) + 615 sizes + sizeof(*footer)) { 616 adsp_err(dsp, "%s: unexpected header length %d\n", 617 file, le32_to_cpu(header->len)); 618 goto out_fw; 619 } 620 621 adsp_dbg(dsp, "%s: timestamp %llu\n", file, 622 le64_to_cpu(footer->timestamp)); 623 624 while (pos < firmware->size && 625 pos - firmware->size > sizeof(*region)) { 626 region = (void *)&(firmware->data[pos]); 627 region_name = "Unknown"; 628 reg = 0; 629 text = NULL; 630 offset = le32_to_cpu(region->offset) & 0xffffff; 631 type = be32_to_cpu(region->type) & 0xff; 632 mem = wm_adsp_find_region(dsp, type); 633 634 switch (type) { 635 case WMFW_NAME_TEXT: 636 region_name = "Firmware name"; 637 text = kzalloc(le32_to_cpu(region->len) + 1, 638 GFP_KERNEL); 639 break; 640 case WMFW_INFO_TEXT: 641 region_name = "Information"; 642 text = kzalloc(le32_to_cpu(region->len) + 1, 643 GFP_KERNEL); 644 break; 645 case WMFW_ABSOLUTE: 646 region_name = "Absolute"; 647 reg = offset; 648 break; 649 case WMFW_ADSP1_PM: 650 region_name = "PM"; 651 reg = wm_adsp_region_to_reg(mem, offset); 652 break; 653 case WMFW_ADSP1_DM: 654 region_name = "DM"; 655 reg = wm_adsp_region_to_reg(mem, offset); 656 break; 657 case WMFW_ADSP2_XM: 658 region_name = "XM"; 659 reg = wm_adsp_region_to_reg(mem, offset); 660 break; 661 case WMFW_ADSP2_YM: 662 region_name = "YM"; 663 reg = wm_adsp_region_to_reg(mem, offset); 664 break; 665 case WMFW_ADSP1_ZM: 666 region_name = "ZM"; 667 reg = wm_adsp_region_to_reg(mem, offset); 668 break; 669 default: 670 adsp_warn(dsp, 671 "%s.%d: Unknown region type %x at %d(%x)\n", 672 file, regions, type, pos, pos); 673 break; 674 } 675 676 adsp_dbg(dsp, "%s.%d: %d bytes at %d in %s\n", file, 677 regions, le32_to_cpu(region->len), offset, 678 region_name); 679 680 if (text) { 681 memcpy(text, region->data, le32_to_cpu(region->len)); 682 adsp_info(dsp, "%s: %s\n", file, text); 683 kfree(text); 684 } 685 686 if (reg) { 687 buf = wm_adsp_buf_alloc(region->data, 688 le32_to_cpu(region->len), 689 &buf_list); 690 if (!buf) { 691 adsp_err(dsp, "Out of memory\n"); 692 ret = -ENOMEM; 693 goto out_fw; 694 } 695 696 ret = regmap_raw_write_async(regmap, reg, buf->buf, 697 le32_to_cpu(region->len)); 698 if (ret != 0) { 699 adsp_err(dsp, 700 "%s.%d: Failed to write %d bytes at %d in %s: %d\n", 701 file, regions, 702 le32_to_cpu(region->len), offset, 703 region_name, ret); 704 goto out_fw; 705 } 706 } 707 708 pos += le32_to_cpu(region->len) + sizeof(*region); 709 regions++; 710 } 711 712 ret = regmap_async_complete(regmap); 713 if (ret != 0) { 714 adsp_err(dsp, "Failed to complete async write: %d\n", ret); 715 goto out_fw; 716 } 717 718 if (pos > firmware->size) 719 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n", 720 file, regions, pos - firmware->size); 721 722 out_fw: 723 regmap_async_complete(regmap); 724 wm_adsp_buf_free(&buf_list); 725 release_firmware(firmware); 726 out: 727 kfree(file); 728 729 return ret; 730 } 731 732 static int wm_coeff_init_control_caches(struct wm_adsp *adsp) 733 { 734 struct wm_coeff_ctl *ctl; 735 int ret; 736 737 list_for_each_entry(ctl, &adsp->ctl_list, list) { 738 if (!ctl->enabled || ctl->set) 739 continue; 740 ret = wm_coeff_read_control(ctl->kcontrol, 741 ctl->cache, 742 ctl->len); 743 if (ret < 0) 744 return ret; 745 } 746 747 return 0; 748 } 749 750 static int wm_coeff_sync_controls(struct wm_adsp *adsp) 751 { 752 struct wm_coeff_ctl *ctl; 753 int ret; 754 755 list_for_each_entry(ctl, &adsp->ctl_list, list) { 756 if (!ctl->enabled) 757 continue; 758 if (ctl->set) { 759 ret = wm_coeff_write_control(ctl->kcontrol, 760 ctl->cache, 761 ctl->len); 762 if (ret < 0) 763 return ret; 764 } 765 } 766 767 return 0; 768 } 769 770 static void wm_adsp_ctl_work(struct work_struct *work) 771 { 772 struct wmfw_ctl_work *ctl_work = container_of(work, 773 struct wmfw_ctl_work, 774 work); 775 776 wmfw_add_ctl(ctl_work->adsp, ctl_work->ctl); 777 kfree(ctl_work); 778 } 779 780 static int wm_adsp_create_control(struct wm_adsp *dsp, 781 const struct wm_adsp_alg_region *region) 782 783 { 784 struct wm_coeff_ctl *ctl; 785 struct wmfw_ctl_work *ctl_work; 786 char *name; 787 char *region_name; 788 int ret; 789 790 name = kmalloc(PAGE_SIZE, GFP_KERNEL); 791 if (!name) 792 return -ENOMEM; 793 794 switch (region->type) { 795 case WMFW_ADSP1_PM: 796 region_name = "PM"; 797 break; 798 case WMFW_ADSP1_DM: 799 region_name = "DM"; 800 break; 801 case WMFW_ADSP2_XM: 802 region_name = "XM"; 803 break; 804 case WMFW_ADSP2_YM: 805 region_name = "YM"; 806 break; 807 case WMFW_ADSP1_ZM: 808 region_name = "ZM"; 809 break; 810 default: 811 ret = -EINVAL; 812 goto err_name; 813 } 814 815 snprintf(name, PAGE_SIZE, "DSP%d %s %x", 816 dsp->num, region_name, region->alg); 817 818 list_for_each_entry(ctl, &dsp->ctl_list, 819 list) { 820 if (!strcmp(ctl->name, name)) { 821 if (!ctl->enabled) 822 ctl->enabled = 1; 823 goto found; 824 } 825 } 826 827 ctl = kzalloc(sizeof(*ctl), GFP_KERNEL); 828 if (!ctl) { 829 ret = -ENOMEM; 830 goto err_name; 831 } 832 ctl->region = *region; 833 ctl->name = kmemdup(name, strlen(name) + 1, GFP_KERNEL); 834 if (!ctl->name) { 835 ret = -ENOMEM; 836 goto err_ctl; 837 } 838 ctl->enabled = 1; 839 ctl->set = 0; 840 ctl->ops.xget = wm_coeff_get; 841 ctl->ops.xput = wm_coeff_put; 842 ctl->adsp = dsp; 843 844 ctl->len = region->len; 845 ctl->cache = kzalloc(ctl->len, GFP_KERNEL); 846 if (!ctl->cache) { 847 ret = -ENOMEM; 848 goto err_ctl_name; 849 } 850 851 ctl_work = kzalloc(sizeof(*ctl_work), GFP_KERNEL); 852 if (!ctl_work) { 853 ret = -ENOMEM; 854 goto err_ctl_cache; 855 } 856 857 ctl_work->adsp = dsp; 858 ctl_work->ctl = ctl; 859 INIT_WORK(&ctl_work->work, wm_adsp_ctl_work); 860 schedule_work(&ctl_work->work); 861 862 found: 863 kfree(name); 864 865 return 0; 866 867 err_ctl_cache: 868 kfree(ctl->cache); 869 err_ctl_name: 870 kfree(ctl->name); 871 err_ctl: 872 kfree(ctl); 873 err_name: 874 kfree(name); 875 return ret; 876 } 877 878 static int wm_adsp_setup_algs(struct wm_adsp *dsp) 879 { 880 struct regmap *regmap = dsp->regmap; 881 struct wmfw_adsp1_id_hdr adsp1_id; 882 struct wmfw_adsp2_id_hdr adsp2_id; 883 struct wmfw_adsp1_alg_hdr *adsp1_alg; 884 struct wmfw_adsp2_alg_hdr *adsp2_alg; 885 void *alg, *buf; 886 struct wm_adsp_alg_region *region; 887 const struct wm_adsp_region *mem; 888 unsigned int pos, term; 889 size_t algs, buf_size; 890 __be32 val; 891 int i, ret; 892 893 switch (dsp->type) { 894 case WMFW_ADSP1: 895 mem = wm_adsp_find_region(dsp, WMFW_ADSP1_DM); 896 break; 897 case WMFW_ADSP2: 898 mem = wm_adsp_find_region(dsp, WMFW_ADSP2_XM); 899 break; 900 default: 901 mem = NULL; 902 break; 903 } 904 905 if (WARN_ON(!mem)) 906 return -EINVAL; 907 908 switch (dsp->type) { 909 case WMFW_ADSP1: 910 ret = regmap_raw_read(regmap, mem->base, &adsp1_id, 911 sizeof(adsp1_id)); 912 if (ret != 0) { 913 adsp_err(dsp, "Failed to read algorithm info: %d\n", 914 ret); 915 return ret; 916 } 917 918 buf = &adsp1_id; 919 buf_size = sizeof(adsp1_id); 920 921 algs = be32_to_cpu(adsp1_id.algs); 922 dsp->fw_id = be32_to_cpu(adsp1_id.fw.id); 923 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n", 924 dsp->fw_id, 925 (be32_to_cpu(adsp1_id.fw.ver) & 0xff0000) >> 16, 926 (be32_to_cpu(adsp1_id.fw.ver) & 0xff00) >> 8, 927 be32_to_cpu(adsp1_id.fw.ver) & 0xff, 928 algs); 929 930 region = kzalloc(sizeof(*region), GFP_KERNEL); 931 if (!region) 932 return -ENOMEM; 933 region->type = WMFW_ADSP1_ZM; 934 region->alg = be32_to_cpu(adsp1_id.fw.id); 935 region->base = be32_to_cpu(adsp1_id.zm); 936 list_add_tail(®ion->list, &dsp->alg_regions); 937 938 region = kzalloc(sizeof(*region), GFP_KERNEL); 939 if (!region) 940 return -ENOMEM; 941 region->type = WMFW_ADSP1_DM; 942 region->alg = be32_to_cpu(adsp1_id.fw.id); 943 region->base = be32_to_cpu(adsp1_id.dm); 944 list_add_tail(®ion->list, &dsp->alg_regions); 945 946 pos = sizeof(adsp1_id) / 2; 947 term = pos + ((sizeof(*adsp1_alg) * algs) / 2); 948 break; 949 950 case WMFW_ADSP2: 951 ret = regmap_raw_read(regmap, mem->base, &adsp2_id, 952 sizeof(adsp2_id)); 953 if (ret != 0) { 954 adsp_err(dsp, "Failed to read algorithm info: %d\n", 955 ret); 956 return ret; 957 } 958 959 buf = &adsp2_id; 960 buf_size = sizeof(adsp2_id); 961 962 algs = be32_to_cpu(adsp2_id.algs); 963 dsp->fw_id = be32_to_cpu(adsp2_id.fw.id); 964 adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n", 965 dsp->fw_id, 966 (be32_to_cpu(adsp2_id.fw.ver) & 0xff0000) >> 16, 967 (be32_to_cpu(adsp2_id.fw.ver) & 0xff00) >> 8, 968 be32_to_cpu(adsp2_id.fw.ver) & 0xff, 969 algs); 970 971 region = kzalloc(sizeof(*region), GFP_KERNEL); 972 if (!region) 973 return -ENOMEM; 974 region->type = WMFW_ADSP2_XM; 975 region->alg = be32_to_cpu(adsp2_id.fw.id); 976 region->base = be32_to_cpu(adsp2_id.xm); 977 list_add_tail(®ion->list, &dsp->alg_regions); 978 979 region = kzalloc(sizeof(*region), GFP_KERNEL); 980 if (!region) 981 return -ENOMEM; 982 region->type = WMFW_ADSP2_YM; 983 region->alg = be32_to_cpu(adsp2_id.fw.id); 984 region->base = be32_to_cpu(adsp2_id.ym); 985 list_add_tail(®ion->list, &dsp->alg_regions); 986 987 region = kzalloc(sizeof(*region), GFP_KERNEL); 988 if (!region) 989 return -ENOMEM; 990 region->type = WMFW_ADSP2_ZM; 991 region->alg = be32_to_cpu(adsp2_id.fw.id); 992 region->base = be32_to_cpu(adsp2_id.zm); 993 list_add_tail(®ion->list, &dsp->alg_regions); 994 995 pos = sizeof(adsp2_id) / 2; 996 term = pos + ((sizeof(*adsp2_alg) * algs) / 2); 997 break; 998 999 default: 1000 WARN(1, "Unknown DSP type"); 1001 return -EINVAL; 1002 } 1003 1004 if (algs == 0) { 1005 adsp_err(dsp, "No algorithms\n"); 1006 return -EINVAL; 1007 } 1008 1009 if (algs > 1024) { 1010 adsp_err(dsp, "Algorithm count %zx excessive\n", algs); 1011 print_hex_dump_bytes(dev_name(dsp->dev), DUMP_PREFIX_OFFSET, 1012 buf, buf_size); 1013 return -EINVAL; 1014 } 1015 1016 /* Read the terminator first to validate the length */ 1017 ret = regmap_raw_read(regmap, mem->base + term, &val, sizeof(val)); 1018 if (ret != 0) { 1019 adsp_err(dsp, "Failed to read algorithm list end: %d\n", 1020 ret); 1021 return ret; 1022 } 1023 1024 if (be32_to_cpu(val) != 0xbedead) 1025 adsp_warn(dsp, "Algorithm list end %x 0x%x != 0xbeadead\n", 1026 term, be32_to_cpu(val)); 1027 1028 alg = kzalloc((term - pos) * 2, GFP_KERNEL | GFP_DMA); 1029 if (!alg) 1030 return -ENOMEM; 1031 1032 ret = regmap_raw_read(regmap, mem->base + pos, alg, (term - pos) * 2); 1033 if (ret != 0) { 1034 adsp_err(dsp, "Failed to read algorithm list: %d\n", 1035 ret); 1036 goto out; 1037 } 1038 1039 adsp1_alg = alg; 1040 adsp2_alg = alg; 1041 1042 for (i = 0; i < algs; i++) { 1043 switch (dsp->type) { 1044 case WMFW_ADSP1: 1045 adsp_info(dsp, "%d: ID %x v%d.%d.%d DM@%x ZM@%x\n", 1046 i, be32_to_cpu(adsp1_alg[i].alg.id), 1047 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff0000) >> 16, 1048 (be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff00) >> 8, 1049 be32_to_cpu(adsp1_alg[i].alg.ver) & 0xff, 1050 be32_to_cpu(adsp1_alg[i].dm), 1051 be32_to_cpu(adsp1_alg[i].zm)); 1052 1053 region = kzalloc(sizeof(*region), GFP_KERNEL); 1054 if (!region) 1055 return -ENOMEM; 1056 region->type = WMFW_ADSP1_DM; 1057 region->alg = be32_to_cpu(adsp1_alg[i].alg.id); 1058 region->base = be32_to_cpu(adsp1_alg[i].dm); 1059 region->len = 0; 1060 list_add_tail(®ion->list, &dsp->alg_regions); 1061 if (i + 1 < algs) { 1062 region->len = be32_to_cpu(adsp1_alg[i + 1].dm); 1063 region->len -= be32_to_cpu(adsp1_alg[i].dm); 1064 region->len *= 4; 1065 wm_adsp_create_control(dsp, region); 1066 } else { 1067 adsp_warn(dsp, "Missing length info for region DM with ID %x\n", 1068 be32_to_cpu(adsp1_alg[i].alg.id)); 1069 } 1070 1071 region = kzalloc(sizeof(*region), GFP_KERNEL); 1072 if (!region) 1073 return -ENOMEM; 1074 region->type = WMFW_ADSP1_ZM; 1075 region->alg = be32_to_cpu(adsp1_alg[i].alg.id); 1076 region->base = be32_to_cpu(adsp1_alg[i].zm); 1077 region->len = 0; 1078 list_add_tail(®ion->list, &dsp->alg_regions); 1079 if (i + 1 < algs) { 1080 region->len = be32_to_cpu(adsp1_alg[i + 1].zm); 1081 region->len -= be32_to_cpu(adsp1_alg[i].zm); 1082 region->len *= 4; 1083 wm_adsp_create_control(dsp, region); 1084 } else { 1085 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n", 1086 be32_to_cpu(adsp1_alg[i].alg.id)); 1087 } 1088 break; 1089 1090 case WMFW_ADSP2: 1091 adsp_info(dsp, 1092 "%d: ID %x v%d.%d.%d XM@%x YM@%x ZM@%x\n", 1093 i, be32_to_cpu(adsp2_alg[i].alg.id), 1094 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff0000) >> 16, 1095 (be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff00) >> 8, 1096 be32_to_cpu(adsp2_alg[i].alg.ver) & 0xff, 1097 be32_to_cpu(adsp2_alg[i].xm), 1098 be32_to_cpu(adsp2_alg[i].ym), 1099 be32_to_cpu(adsp2_alg[i].zm)); 1100 1101 region = kzalloc(sizeof(*region), GFP_KERNEL); 1102 if (!region) 1103 return -ENOMEM; 1104 region->type = WMFW_ADSP2_XM; 1105 region->alg = be32_to_cpu(adsp2_alg[i].alg.id); 1106 region->base = be32_to_cpu(adsp2_alg[i].xm); 1107 region->len = 0; 1108 list_add_tail(®ion->list, &dsp->alg_regions); 1109 if (i + 1 < algs) { 1110 region->len = be32_to_cpu(adsp2_alg[i + 1].xm); 1111 region->len -= be32_to_cpu(adsp2_alg[i].xm); 1112 region->len *= 4; 1113 wm_adsp_create_control(dsp, region); 1114 } else { 1115 adsp_warn(dsp, "Missing length info for region XM with ID %x\n", 1116 be32_to_cpu(adsp2_alg[i].alg.id)); 1117 } 1118 1119 region = kzalloc(sizeof(*region), GFP_KERNEL); 1120 if (!region) 1121 return -ENOMEM; 1122 region->type = WMFW_ADSP2_YM; 1123 region->alg = be32_to_cpu(adsp2_alg[i].alg.id); 1124 region->base = be32_to_cpu(adsp2_alg[i].ym); 1125 region->len = 0; 1126 list_add_tail(®ion->list, &dsp->alg_regions); 1127 if (i + 1 < algs) { 1128 region->len = be32_to_cpu(adsp2_alg[i + 1].ym); 1129 region->len -= be32_to_cpu(adsp2_alg[i].ym); 1130 region->len *= 4; 1131 wm_adsp_create_control(dsp, region); 1132 } else { 1133 adsp_warn(dsp, "Missing length info for region YM with ID %x\n", 1134 be32_to_cpu(adsp2_alg[i].alg.id)); 1135 } 1136 1137 region = kzalloc(sizeof(*region), GFP_KERNEL); 1138 if (!region) 1139 return -ENOMEM; 1140 region->type = WMFW_ADSP2_ZM; 1141 region->alg = be32_to_cpu(adsp2_alg[i].alg.id); 1142 region->base = be32_to_cpu(adsp2_alg[i].zm); 1143 region->len = 0; 1144 list_add_tail(®ion->list, &dsp->alg_regions); 1145 if (i + 1 < algs) { 1146 region->len = be32_to_cpu(adsp2_alg[i + 1].zm); 1147 region->len -= be32_to_cpu(adsp2_alg[i].zm); 1148 region->len *= 4; 1149 wm_adsp_create_control(dsp, region); 1150 } else { 1151 adsp_warn(dsp, "Missing length info for region ZM with ID %x\n", 1152 be32_to_cpu(adsp2_alg[i].alg.id)); 1153 } 1154 break; 1155 } 1156 } 1157 1158 out: 1159 kfree(alg); 1160 return ret; 1161 } 1162 1163 static int wm_adsp_load_coeff(struct wm_adsp *dsp) 1164 { 1165 LIST_HEAD(buf_list); 1166 struct regmap *regmap = dsp->regmap; 1167 struct wmfw_coeff_hdr *hdr; 1168 struct wmfw_coeff_item *blk; 1169 const struct firmware *firmware; 1170 const struct wm_adsp_region *mem; 1171 struct wm_adsp_alg_region *alg_region; 1172 const char *region_name; 1173 int ret, pos, blocks, type, offset, reg; 1174 char *file; 1175 struct wm_adsp_buf *buf; 1176 int tmp; 1177 1178 file = kzalloc(PAGE_SIZE, GFP_KERNEL); 1179 if (file == NULL) 1180 return -ENOMEM; 1181 1182 snprintf(file, PAGE_SIZE, "%s-dsp%d-%s.bin", dsp->part, dsp->num, 1183 wm_adsp_fw[dsp->fw].file); 1184 file[PAGE_SIZE - 1] = '\0'; 1185 1186 ret = request_firmware(&firmware, file, dsp->dev); 1187 if (ret != 0) { 1188 adsp_warn(dsp, "Failed to request '%s'\n", file); 1189 ret = 0; 1190 goto out; 1191 } 1192 ret = -EINVAL; 1193 1194 if (sizeof(*hdr) >= firmware->size) { 1195 adsp_err(dsp, "%s: file too short, %zu bytes\n", 1196 file, firmware->size); 1197 goto out_fw; 1198 } 1199 1200 hdr = (void*)&firmware->data[0]; 1201 if (memcmp(hdr->magic, "WMDR", 4) != 0) { 1202 adsp_err(dsp, "%s: invalid magic\n", file); 1203 goto out_fw; 1204 } 1205 1206 switch (be32_to_cpu(hdr->rev) & 0xff) { 1207 case 1: 1208 break; 1209 default: 1210 adsp_err(dsp, "%s: Unsupported coefficient file format %d\n", 1211 file, be32_to_cpu(hdr->rev) & 0xff); 1212 ret = -EINVAL; 1213 goto out_fw; 1214 } 1215 1216 adsp_dbg(dsp, "%s: v%d.%d.%d\n", file, 1217 (le32_to_cpu(hdr->ver) >> 16) & 0xff, 1218 (le32_to_cpu(hdr->ver) >> 8) & 0xff, 1219 le32_to_cpu(hdr->ver) & 0xff); 1220 1221 pos = le32_to_cpu(hdr->len); 1222 1223 blocks = 0; 1224 while (pos < firmware->size && 1225 pos - firmware->size > sizeof(*blk)) { 1226 blk = (void*)(&firmware->data[pos]); 1227 1228 type = le16_to_cpu(blk->type); 1229 offset = le16_to_cpu(blk->offset); 1230 1231 adsp_dbg(dsp, "%s.%d: %x v%d.%d.%d\n", 1232 file, blocks, le32_to_cpu(blk->id), 1233 (le32_to_cpu(blk->ver) >> 16) & 0xff, 1234 (le32_to_cpu(blk->ver) >> 8) & 0xff, 1235 le32_to_cpu(blk->ver) & 0xff); 1236 adsp_dbg(dsp, "%s.%d: %d bytes at 0x%x in %x\n", 1237 file, blocks, le32_to_cpu(blk->len), offset, type); 1238 1239 reg = 0; 1240 region_name = "Unknown"; 1241 switch (type) { 1242 case (WMFW_NAME_TEXT << 8): 1243 case (WMFW_INFO_TEXT << 8): 1244 break; 1245 case (WMFW_ABSOLUTE << 8): 1246 /* 1247 * Old files may use this for global 1248 * coefficients. 1249 */ 1250 if (le32_to_cpu(blk->id) == dsp->fw_id && 1251 offset == 0) { 1252 region_name = "global coefficients"; 1253 mem = wm_adsp_find_region(dsp, type); 1254 if (!mem) { 1255 adsp_err(dsp, "No ZM\n"); 1256 break; 1257 } 1258 reg = wm_adsp_region_to_reg(mem, 0); 1259 1260 } else { 1261 region_name = "register"; 1262 reg = offset; 1263 } 1264 break; 1265 1266 case WMFW_ADSP1_DM: 1267 case WMFW_ADSP1_ZM: 1268 case WMFW_ADSP2_XM: 1269 case WMFW_ADSP2_YM: 1270 adsp_dbg(dsp, "%s.%d: %d bytes in %x for %x\n", 1271 file, blocks, le32_to_cpu(blk->len), 1272 type, le32_to_cpu(blk->id)); 1273 1274 mem = wm_adsp_find_region(dsp, type); 1275 if (!mem) { 1276 adsp_err(dsp, "No base for region %x\n", type); 1277 break; 1278 } 1279 1280 reg = 0; 1281 list_for_each_entry(alg_region, 1282 &dsp->alg_regions, list) { 1283 if (le32_to_cpu(blk->id) == alg_region->alg && 1284 type == alg_region->type) { 1285 reg = alg_region->base; 1286 reg = wm_adsp_region_to_reg(mem, 1287 reg); 1288 reg += offset; 1289 break; 1290 } 1291 } 1292 1293 if (reg == 0) 1294 adsp_err(dsp, "No %x for algorithm %x\n", 1295 type, le32_to_cpu(blk->id)); 1296 break; 1297 1298 default: 1299 adsp_err(dsp, "%s.%d: Unknown region type %x at %d\n", 1300 file, blocks, type, pos); 1301 break; 1302 } 1303 1304 if (reg) { 1305 buf = wm_adsp_buf_alloc(blk->data, 1306 le32_to_cpu(blk->len), 1307 &buf_list); 1308 if (!buf) { 1309 adsp_err(dsp, "Out of memory\n"); 1310 ret = -ENOMEM; 1311 goto out_fw; 1312 } 1313 1314 adsp_dbg(dsp, "%s.%d: Writing %d bytes at %x\n", 1315 file, blocks, le32_to_cpu(blk->len), 1316 reg); 1317 ret = regmap_raw_write_async(regmap, reg, buf->buf, 1318 le32_to_cpu(blk->len)); 1319 if (ret != 0) { 1320 adsp_err(dsp, 1321 "%s.%d: Failed to write to %x in %s: %d\n", 1322 file, blocks, reg, region_name, ret); 1323 } 1324 } 1325 1326 tmp = le32_to_cpu(blk->len) % 4; 1327 if (tmp) 1328 pos += le32_to_cpu(blk->len) + (4 - tmp) + sizeof(*blk); 1329 else 1330 pos += le32_to_cpu(blk->len) + sizeof(*blk); 1331 1332 blocks++; 1333 } 1334 1335 ret = regmap_async_complete(regmap); 1336 if (ret != 0) 1337 adsp_err(dsp, "Failed to complete async write: %d\n", ret); 1338 1339 if (pos > firmware->size) 1340 adsp_warn(dsp, "%s.%d: %zu bytes at end of file\n", 1341 file, blocks, pos - firmware->size); 1342 1343 out_fw: 1344 release_firmware(firmware); 1345 wm_adsp_buf_free(&buf_list); 1346 out: 1347 kfree(file); 1348 return ret; 1349 } 1350 1351 int wm_adsp1_init(struct wm_adsp *adsp) 1352 { 1353 INIT_LIST_HEAD(&adsp->alg_regions); 1354 1355 return 0; 1356 } 1357 EXPORT_SYMBOL_GPL(wm_adsp1_init); 1358 1359 int wm_adsp1_event(struct snd_soc_dapm_widget *w, 1360 struct snd_kcontrol *kcontrol, 1361 int event) 1362 { 1363 struct snd_soc_codec *codec = w->codec; 1364 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec); 1365 struct wm_adsp *dsp = &dsps[w->shift]; 1366 struct wm_adsp_alg_region *alg_region; 1367 struct wm_coeff_ctl *ctl; 1368 int ret; 1369 int val; 1370 1371 dsp->card = codec->card; 1372 1373 switch (event) { 1374 case SND_SOC_DAPM_POST_PMU: 1375 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, 1376 ADSP1_SYS_ENA, ADSP1_SYS_ENA); 1377 1378 /* 1379 * For simplicity set the DSP clock rate to be the 1380 * SYSCLK rate rather than making it configurable. 1381 */ 1382 if(dsp->sysclk_reg) { 1383 ret = regmap_read(dsp->regmap, dsp->sysclk_reg, &val); 1384 if (ret != 0) { 1385 adsp_err(dsp, "Failed to read SYSCLK state: %d\n", 1386 ret); 1387 return ret; 1388 } 1389 1390 val = (val & dsp->sysclk_mask) 1391 >> dsp->sysclk_shift; 1392 1393 ret = regmap_update_bits(dsp->regmap, 1394 dsp->base + ADSP1_CONTROL_31, 1395 ADSP1_CLK_SEL_MASK, val); 1396 if (ret != 0) { 1397 adsp_err(dsp, "Failed to set clock rate: %d\n", 1398 ret); 1399 return ret; 1400 } 1401 } 1402 1403 ret = wm_adsp_load(dsp); 1404 if (ret != 0) 1405 goto err; 1406 1407 ret = wm_adsp_setup_algs(dsp); 1408 if (ret != 0) 1409 goto err; 1410 1411 ret = wm_adsp_load_coeff(dsp); 1412 if (ret != 0) 1413 goto err; 1414 1415 /* Initialize caches for enabled and unset controls */ 1416 ret = wm_coeff_init_control_caches(dsp); 1417 if (ret != 0) 1418 goto err; 1419 1420 /* Sync set controls */ 1421 ret = wm_coeff_sync_controls(dsp); 1422 if (ret != 0) 1423 goto err; 1424 1425 /* Start the core running */ 1426 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, 1427 ADSP1_CORE_ENA | ADSP1_START, 1428 ADSP1_CORE_ENA | ADSP1_START); 1429 break; 1430 1431 case SND_SOC_DAPM_PRE_PMD: 1432 /* Halt the core */ 1433 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, 1434 ADSP1_CORE_ENA | ADSP1_START, 0); 1435 1436 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_19, 1437 ADSP1_WDMA_BUFFER_LENGTH_MASK, 0); 1438 1439 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, 1440 ADSP1_SYS_ENA, 0); 1441 1442 list_for_each_entry(ctl, &dsp->ctl_list, list) 1443 ctl->enabled = 0; 1444 1445 while (!list_empty(&dsp->alg_regions)) { 1446 alg_region = list_first_entry(&dsp->alg_regions, 1447 struct wm_adsp_alg_region, 1448 list); 1449 list_del(&alg_region->list); 1450 kfree(alg_region); 1451 } 1452 break; 1453 1454 default: 1455 break; 1456 } 1457 1458 return 0; 1459 1460 err: 1461 regmap_update_bits(dsp->regmap, dsp->base + ADSP1_CONTROL_30, 1462 ADSP1_SYS_ENA, 0); 1463 return ret; 1464 } 1465 EXPORT_SYMBOL_GPL(wm_adsp1_event); 1466 1467 static int wm_adsp2_ena(struct wm_adsp *dsp) 1468 { 1469 unsigned int val; 1470 int ret, count; 1471 1472 ret = regmap_update_bits_async(dsp->regmap, dsp->base + ADSP2_CONTROL, 1473 ADSP2_SYS_ENA, ADSP2_SYS_ENA); 1474 if (ret != 0) 1475 return ret; 1476 1477 /* Wait for the RAM to start, should be near instantaneous */ 1478 for (count = 0; count < 10; ++count) { 1479 ret = regmap_read(dsp->regmap, dsp->base + ADSP2_STATUS1, 1480 &val); 1481 if (ret != 0) 1482 return ret; 1483 1484 if (val & ADSP2_RAM_RDY) 1485 break; 1486 1487 msleep(1); 1488 } 1489 1490 if (!(val & ADSP2_RAM_RDY)) { 1491 adsp_err(dsp, "Failed to start DSP RAM\n"); 1492 return -EBUSY; 1493 } 1494 1495 adsp_dbg(dsp, "RAM ready after %d polls\n", count); 1496 1497 return 0; 1498 } 1499 1500 static void wm_adsp2_boot_work(struct work_struct *work) 1501 { 1502 struct wm_adsp *dsp = container_of(work, 1503 struct wm_adsp, 1504 boot_work); 1505 int ret; 1506 unsigned int val; 1507 1508 /* 1509 * For simplicity set the DSP clock rate to be the 1510 * SYSCLK rate rather than making it configurable. 1511 */ 1512 ret = regmap_read(dsp->regmap, ARIZONA_SYSTEM_CLOCK_1, &val); 1513 if (ret != 0) { 1514 adsp_err(dsp, "Failed to read SYSCLK state: %d\n", ret); 1515 return; 1516 } 1517 val = (val & ARIZONA_SYSCLK_FREQ_MASK) 1518 >> ARIZONA_SYSCLK_FREQ_SHIFT; 1519 1520 ret = regmap_update_bits_async(dsp->regmap, 1521 dsp->base + ADSP2_CLOCKING, 1522 ADSP2_CLK_SEL_MASK, val); 1523 if (ret != 0) { 1524 adsp_err(dsp, "Failed to set clock rate: %d\n", ret); 1525 return; 1526 } 1527 1528 if (dsp->dvfs) { 1529 ret = regmap_read(dsp->regmap, 1530 dsp->base + ADSP2_CLOCKING, &val); 1531 if (ret != 0) { 1532 dev_err(dsp->dev, "Failed to read clocking: %d\n", ret); 1533 return; 1534 } 1535 1536 if ((val & ADSP2_CLK_SEL_MASK) >= 3) { 1537 ret = regulator_enable(dsp->dvfs); 1538 if (ret != 0) { 1539 dev_err(dsp->dev, 1540 "Failed to enable supply: %d\n", 1541 ret); 1542 return; 1543 } 1544 1545 ret = regulator_set_voltage(dsp->dvfs, 1546 1800000, 1547 1800000); 1548 if (ret != 0) { 1549 dev_err(dsp->dev, 1550 "Failed to raise supply: %d\n", 1551 ret); 1552 return; 1553 } 1554 } 1555 } 1556 1557 ret = wm_adsp2_ena(dsp); 1558 if (ret != 0) 1559 return; 1560 1561 ret = wm_adsp_load(dsp); 1562 if (ret != 0) 1563 goto err; 1564 1565 ret = wm_adsp_setup_algs(dsp); 1566 if (ret != 0) 1567 goto err; 1568 1569 ret = wm_adsp_load_coeff(dsp); 1570 if (ret != 0) 1571 goto err; 1572 1573 /* Initialize caches for enabled and unset controls */ 1574 ret = wm_coeff_init_control_caches(dsp); 1575 if (ret != 0) 1576 goto err; 1577 1578 /* Sync set controls */ 1579 ret = wm_coeff_sync_controls(dsp); 1580 if (ret != 0) 1581 goto err; 1582 1583 ret = regmap_update_bits_async(dsp->regmap, 1584 dsp->base + ADSP2_CONTROL, 1585 ADSP2_CORE_ENA, 1586 ADSP2_CORE_ENA); 1587 if (ret != 0) 1588 goto err; 1589 1590 dsp->running = true; 1591 1592 return; 1593 1594 err: 1595 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, 1596 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0); 1597 } 1598 1599 int wm_adsp2_early_event(struct snd_soc_dapm_widget *w, 1600 struct snd_kcontrol *kcontrol, int event) 1601 { 1602 struct snd_soc_codec *codec = w->codec; 1603 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec); 1604 struct wm_adsp *dsp = &dsps[w->shift]; 1605 1606 dsp->card = codec->card; 1607 1608 switch (event) { 1609 case SND_SOC_DAPM_PRE_PMU: 1610 queue_work(system_unbound_wq, &dsp->boot_work); 1611 break; 1612 default: 1613 break; 1614 }; 1615 1616 return 0; 1617 } 1618 EXPORT_SYMBOL_GPL(wm_adsp2_early_event); 1619 1620 int wm_adsp2_event(struct snd_soc_dapm_widget *w, 1621 struct snd_kcontrol *kcontrol, int event) 1622 { 1623 struct snd_soc_codec *codec = w->codec; 1624 struct wm_adsp *dsps = snd_soc_codec_get_drvdata(codec); 1625 struct wm_adsp *dsp = &dsps[w->shift]; 1626 struct wm_adsp_alg_region *alg_region; 1627 struct wm_coeff_ctl *ctl; 1628 int ret; 1629 1630 switch (event) { 1631 case SND_SOC_DAPM_POST_PMU: 1632 flush_work(&dsp->boot_work); 1633 1634 if (!dsp->running) 1635 return -EIO; 1636 1637 ret = regmap_update_bits(dsp->regmap, 1638 dsp->base + ADSP2_CONTROL, 1639 ADSP2_START, 1640 ADSP2_START); 1641 if (ret != 0) 1642 goto err; 1643 break; 1644 1645 case SND_SOC_DAPM_PRE_PMD: 1646 dsp->running = false; 1647 1648 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, 1649 ADSP2_SYS_ENA | ADSP2_CORE_ENA | 1650 ADSP2_START, 0); 1651 1652 /* Make sure DMAs are quiesced */ 1653 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0); 1654 regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0); 1655 regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0); 1656 1657 if (dsp->dvfs) { 1658 ret = regulator_set_voltage(dsp->dvfs, 1200000, 1659 1800000); 1660 if (ret != 0) 1661 dev_warn(dsp->dev, 1662 "Failed to lower supply: %d\n", 1663 ret); 1664 1665 ret = regulator_disable(dsp->dvfs); 1666 if (ret != 0) 1667 dev_err(dsp->dev, 1668 "Failed to enable supply: %d\n", 1669 ret); 1670 } 1671 1672 list_for_each_entry(ctl, &dsp->ctl_list, list) 1673 ctl->enabled = 0; 1674 1675 while (!list_empty(&dsp->alg_regions)) { 1676 alg_region = list_first_entry(&dsp->alg_regions, 1677 struct wm_adsp_alg_region, 1678 list); 1679 list_del(&alg_region->list); 1680 kfree(alg_region); 1681 } 1682 break; 1683 1684 default: 1685 break; 1686 } 1687 1688 return 0; 1689 err: 1690 regmap_update_bits(dsp->regmap, dsp->base + ADSP2_CONTROL, 1691 ADSP2_SYS_ENA | ADSP2_CORE_ENA | ADSP2_START, 0); 1692 return ret; 1693 } 1694 EXPORT_SYMBOL_GPL(wm_adsp2_event); 1695 1696 int wm_adsp2_init(struct wm_adsp *adsp, bool dvfs) 1697 { 1698 int ret; 1699 1700 /* 1701 * Disable the DSP memory by default when in reset for a small 1702 * power saving. 1703 */ 1704 ret = regmap_update_bits(adsp->regmap, adsp->base + ADSP2_CONTROL, 1705 ADSP2_MEM_ENA, 0); 1706 if (ret != 0) { 1707 adsp_err(adsp, "Failed to clear memory retention: %d\n", ret); 1708 return ret; 1709 } 1710 1711 INIT_LIST_HEAD(&adsp->alg_regions); 1712 INIT_LIST_HEAD(&adsp->ctl_list); 1713 INIT_WORK(&adsp->boot_work, wm_adsp2_boot_work); 1714 1715 if (dvfs) { 1716 adsp->dvfs = devm_regulator_get(adsp->dev, "DCVDD"); 1717 if (IS_ERR(adsp->dvfs)) { 1718 ret = PTR_ERR(adsp->dvfs); 1719 dev_err(adsp->dev, "Failed to get DCVDD: %d\n", ret); 1720 return ret; 1721 } 1722 1723 ret = regulator_enable(adsp->dvfs); 1724 if (ret != 0) { 1725 dev_err(adsp->dev, "Failed to enable DCVDD: %d\n", 1726 ret); 1727 return ret; 1728 } 1729 1730 ret = regulator_set_voltage(adsp->dvfs, 1200000, 1800000); 1731 if (ret != 0) { 1732 dev_err(adsp->dev, "Failed to initialise DVFS: %d\n", 1733 ret); 1734 return ret; 1735 } 1736 1737 ret = regulator_disable(adsp->dvfs); 1738 if (ret != 0) { 1739 dev_err(adsp->dev, "Failed to disable DCVDD: %d\n", 1740 ret); 1741 return ret; 1742 } 1743 } 1744 1745 return 0; 1746 } 1747 EXPORT_SYMBOL_GPL(wm_adsp2_init); 1748