sound/pci/asihpi/hpi6205.c

   1 /******************************************************************************
   2
   3     AudioScience HPI driver
   4     Copyright (C) 1997-2010  AudioScience Inc. <support@audioscience.com>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of version 2 of the GNU General Public License as
   8     published by the Free Software Foundation;
   9
  10     This program is distributed in the hope that it will be useful,
  11     but WITHOUT ANY WARRANTY; without even the implied warranty of
  12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13     GNU General Public License for more details.
  14
  15     You should have received a copy of the GNU General Public License
  16     along with this program; if not, write to the Free Software
  17     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18
  19  Hardware Programming Interface (HPI) for AudioScience
  20  ASI50xx, AS51xx, ASI6xxx, ASI87xx ASI89xx series adapters.
  21  These PCI and PCIe bus adapters are based on a
  22  TMS320C6205 PCI bus mastering DSP,
  23  and (except ASI50xx) TI TMS320C6xxx floating point DSP
  24
  25  Exported function:
  26  void HPI_6205(struct hpi_message *phm, struct hpi_response *phr)
  27
  28 (C) Copyright AudioScience Inc. 1998-2010
  29 *******************************************************************************/
  30 #define SOURCEFILE_NAME "hpi6205.c"
  31
  32 #include "hpi_internal.h"
  33 #include "hpimsginit.h"
  34 #include "hpidebug.h"
  35 #include "hpi6205.h"
  36 #include "hpidspcd.h"
  37 #include "hpicmn.h"
  38
  39 /*****************************************************************************/
  40 /* HPI6205 specific error codes */
  41 #define HPI6205_ERROR_BASE 1000 /* not actually used anywhere */
  42
  43 /* operational/messaging errors */
  44 #define HPI6205_ERROR_MSG_RESP_IDLE_TIMEOUT     1015
  45 #define HPI6205_ERROR_MSG_RESP_TIMEOUT          1016
  46
  47 /* initialization/bootload errors */
  48 #define HPI6205_ERROR_6205_NO_IRQ               1002
  49 #define HPI6205_ERROR_6205_INIT_FAILED          1003
  50 #define HPI6205_ERROR_6205_REG                  1006
  51 #define HPI6205_ERROR_6205_DSPPAGE              1007
  52 #define HPI6205_ERROR_C6713_HPIC                1009
  53 #define HPI6205_ERROR_C6713_HPIA                1010
  54 #define HPI6205_ERROR_C6713_PLL                 1011
  55 #define HPI6205_ERROR_DSP_INTMEM                1012
  56 #define HPI6205_ERROR_DSP_EXTMEM                1013
  57 #define HPI6205_ERROR_DSP_PLD                   1014
  58 #define HPI6205_ERROR_6205_EEPROM               1017
  59 #define HPI6205_ERROR_DSP_EMIF                  1018
  60
  61 /*****************************************************************************/
  62 /* for C6205 PCI i/f */
  63 /* Host Status Register (HSR) bitfields */
  64 #define C6205_HSR_INTSRC        0x01
  65 #define C6205_HSR_INTAVAL       0x02
  66 #define C6205_HSR_INTAM         0x04
  67 #define C6205_HSR_CFGERR        0x08
  68 #define C6205_HSR_EEREAD        0x10
  69 /* Host-to-DSP Control Register (HDCR) bitfields */
  70 #define C6205_HDCR_WARMRESET    0x01
  71 #define C6205_HDCR_DSPINT       0x02
  72 #define C6205_HDCR_PCIBOOT      0x04
  73 /* DSP Page Register (DSPP) bitfields, */
  74 /* defines 4 Mbyte page that BAR0 points to */
  75 #define C6205_DSPP_MAP1         0x400
  76
  77 /* BAR0 maps to prefetchable 4 Mbyte memory block set by DSPP.
  78  * BAR1 maps to non-prefetchable 8 Mbyte memory block
  79  * of DSP memory mapped registers (starting at 0x01800000).
  80  * 0x01800000 is hardcoded in the PCI i/f, so that only the offset from this
  81  * needs to be added to the BAR1 base address set in the PCI config reg
  82  */
  83 #define C6205_BAR1_PCI_IO_OFFSET (0x027FFF0L)
  84 #define C6205_BAR1_HSR  (C6205_BAR1_PCI_IO_OFFSET)
  85 #define C6205_BAR1_HDCR (C6205_BAR1_PCI_IO_OFFSET+4)
  86 #define C6205_BAR1_DSPP (C6205_BAR1_PCI_IO_OFFSET+8)
  87
  88 /* used to control LED (revA) and reset C6713 (revB) */
  89 #define C6205_BAR0_TIMER1_CTL (0x01980000L)
  90
  91 /* For first 6713 in CE1 space, using DA17,16,2 */
  92 #define HPICL_ADDR      0x01400000L
  93 #define HPICH_ADDR      0x01400004L
  94 #define HPIAL_ADDR      0x01410000L
  95 #define HPIAH_ADDR      0x01410004L
  96 #define HPIDIL_ADDR     0x01420000L
  97 #define HPIDIH_ADDR     0x01420004L
  98 #define HPIDL_ADDR      0x01430000L
  99 #define HPIDH_ADDR      0x01430004L
 100
 101 #define C6713_EMIF_GCTL         0x01800000
 102 #define C6713_EMIF_CE1          0x01800004
 103 #define C6713_EMIF_CE0          0x01800008
 104 #define C6713_EMIF_CE2          0x01800010
 105 #define C6713_EMIF_CE3          0x01800014
 106 #define C6713_EMIF_SDRAMCTL     0x01800018
 107 #define C6713_EMIF_SDRAMTIMING  0x0180001C
 108 #define C6713_EMIF_SDRAMEXT     0x01800020
 109
 110 struct hpi_hw_obj {
 111         /* PCI registers */
 112         __iomem u32 *prHSR;
 113         __iomem u32 *prHDCR;
 114         __iomem u32 *prDSPP;
 115
 116         u32 dsp_page;
 117
 118         struct consistent_dma_area h_locked_mem;
 119         struct bus_master_interface *p_interface_buffer;
 120
 121         u16 flag_outstream_just_reset[HPI_MAX_STREAMS];
 122         /* a non-NULL handle means there is an HPI allocated buffer */
 123         struct consistent_dma_area instream_host_buffers[HPI_MAX_STREAMS];
 124         struct consistent_dma_area outstream_host_buffers[HPI_MAX_STREAMS];
 125         /* non-zero size means a buffer exists, may be external */
 126         u32 instream_host_buffer_size[HPI_MAX_STREAMS];
 127         u32 outstream_host_buffer_size[HPI_MAX_STREAMS];
 128
 129         struct consistent_dma_area h_control_cache;
 130         struct hpi_control_cache *p_cache;
 131 };
 132
 133 /*****************************************************************************/
 134 /* local prototypes */
 135
 136 #define check_before_bbm_copy(status, p_bbm_data, l_first_write, l_second_write)
 137
 138 static int wait_dsp_ack(struct hpi_hw_obj *phw, int state, int timeout_us);
 139
 140 static void send_dsp_command(struct hpi_hw_obj *phw, int cmd);
 141
 142 static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
 143         u32 *pos_error_code);
 144
 145 static u16 message_response_sequence(struct hpi_adapter_obj *pao,
 146         struct hpi_message *phm, struct hpi_response *phr);
 147
 148 static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm,
 149         struct hpi_response *phr);
 150
 151 #define HPI6205_TIMEOUT 1000000
 152
 153 static void subsys_create_adapter(struct hpi_message *phm,
 154         struct hpi_response *phr);
 155 static void adapter_delete(struct hpi_adapter_obj *pao,
 156         struct hpi_message *phm, struct hpi_response *phr);
 157
 158 static u16 create_adapter_obj(struct hpi_adapter_obj *pao,
 159         u32 *pos_error_code);
 160
 161 static void delete_adapter_obj(struct hpi_adapter_obj *pao);
 162
 163 static void outstream_host_buffer_allocate(struct hpi_adapter_obj *pao,
 164         struct hpi_message *phm, struct hpi_response *phr);
 165
 166 static void outstream_host_buffer_get_info(struct hpi_adapter_obj *pao,
 167         struct hpi_message *phm, struct hpi_response *phr);
 168
 169 static void outstream_host_buffer_free(struct hpi_adapter_obj *pao,
 170         struct hpi_message *phm, struct hpi_response *phr);
 171 static void outstream_write(struct hpi_adapter_obj *pao,
 172         struct hpi_message *phm, struct hpi_response *phr);
 173
 174 static void outstream_get_info(struct hpi_adapter_obj *pao,
 175         struct hpi_message *phm, struct hpi_response *phr);
 176
 177 static void outstream_start(struct hpi_adapter_obj *pao,
 178         struct hpi_message *phm, struct hpi_response *phr);
 179
 180 static void outstream_open(struct hpi_adapter_obj *pao,
 181         struct hpi_message *phm, struct hpi_response *phr);
 182
 183 static void outstream_reset(struct hpi_adapter_obj *pao,
 184         struct hpi_message *phm, struct hpi_response *phr);
 185
 186 static void instream_host_buffer_allocate(struct hpi_adapter_obj *pao,
 187         struct hpi_message *phm, struct hpi_response *phr);
 188
 189 static void instream_host_buffer_get_info(struct hpi_adapter_obj *pao,
 190         struct hpi_message *phm, struct hpi_response *phr);
 191
 192 static void instream_host_buffer_free(struct hpi_adapter_obj *pao,
 193         struct hpi_message *phm, struct hpi_response *phr);
 194
 195 static void instream_read(struct hpi_adapter_obj *pao,
 196         struct hpi_message *phm, struct hpi_response *phr);
 197
 198 static void instream_get_info(struct hpi_adapter_obj *pao,
 199         struct hpi_message *phm, struct hpi_response *phr);
 200
 201 static void instream_start(struct hpi_adapter_obj *pao,
 202         struct hpi_message *phm, struct hpi_response *phr);
 203
 204 static u32 boot_loader_read_mem32(struct hpi_adapter_obj *pao, int dsp_index,
 205         u32 address);
 206
 207 static void boot_loader_write_mem32(struct hpi_adapter_obj *pao,
 208         int dsp_index, u32 address, u32 data);
 209
 210 static u16 boot_loader_config_emif(struct hpi_adapter_obj *pao,
 211         int dsp_index);
 212
 213 static u16 boot_loader_test_memory(struct hpi_adapter_obj *pao, int dsp_index,
 214         u32 address, u32 length);
 215
 216 static u16 boot_loader_test_internal_memory(struct hpi_adapter_obj *pao,
 217         int dsp_index);
 218
 219 static u16 boot_loader_test_external_memory(struct hpi_adapter_obj *pao,
 220         int dsp_index);
 221
 222 static u16 boot_loader_test_pld(struct hpi_adapter_obj *pao, int dsp_index);
 223
 224 /*****************************************************************************/
 225
 226 static void subsys_message(struct hpi_adapter_obj *pao,
 227         struct hpi_message *phm, struct hpi_response *phr)
 228 {
 229         switch (phm->function) {
 230         case HPI_SUBSYS_CREATE_ADAPTER:
 231                 subsys_create_adapter(phm, phr);
 232                 break;
 233         default:
 234                 phr->error = HPI_ERROR_INVALID_FUNC;
 235                 break;
 236         }
 237 }
 238
 239 static void control_message(struct hpi_adapter_obj *pao,
 240         struct hpi_message *phm, struct hpi_response *phr)
 241 {
 242
 243         struct hpi_hw_obj *phw = pao->priv;
 244         u16 pending_cache_error = 0;
 245
 246         switch (phm->function) {
 247         case HPI_CONTROL_GET_STATE:
 248                 if (pao->has_control_cache) {
 249                         rmb();  /* make sure we see updates DMAed from DSP */
 250                         if (hpi_check_control_cache(phw->p_cache, phm, phr)) {
 251                                 break;
 252                         } else if (phm->u.c.attribute == HPI_METER_PEAK) {
 253                                 pending_cache_error =
 254                                         HPI_ERROR_CONTROL_CACHING;
 255                         }
 256                 }
 257                 hw_message(pao, phm, phr);
 258                 if (pending_cache_error && !phr->error)
 259                         phr->error = pending_cache_error;
 260                 break;
 261         case HPI_CONTROL_GET_INFO:
 262                 hw_message(pao, phm, phr);
 263                 break;
 264         case HPI_CONTROL_SET_STATE:
 265                 hw_message(pao, phm, phr);
 266                 if (pao->has_control_cache)
 267                         hpi_cmn_control_cache_sync_to_msg(phw->p_cache, phm,
 268                                 phr);
 269                 break;
 270         default:
 271                 phr->error = HPI_ERROR_INVALID_FUNC;
 272                 break;
 273         }
 274 }
 275
 276 static void adapter_message(struct hpi_adapter_obj *pao,
 277         struct hpi_message *phm, struct hpi_response *phr)
 278 {
 279         switch (phm->function) {
 280         case HPI_ADAPTER_DELETE:
 281                 adapter_delete(pao, phm, phr);
 282                 break;
 283
 284         default:
 285                 hw_message(pao, phm, phr);
 286                 break;
 287         }
 288 }
 289
 290 static void outstream_message(struct hpi_adapter_obj *pao,
 291         struct hpi_message *phm, struct hpi_response *phr)
 292 {
 293
 294         if (phm->obj_index >= HPI_MAX_STREAMS) {
 295                 phr->error = HPI_ERROR_INVALID_OBJ_INDEX;
 296                 HPI_DEBUG_LOG(WARNING,
 297                         "Message referencing invalid stream %d "
 298                         "on adapter index %d\n", phm->obj_index,
 299                         phm->adapter_index);
 300                 return;
 301         }
 302
 303         switch (phm->function) {
 304         case HPI_OSTREAM_WRITE:
 305                 outstream_write(pao, phm, phr);
 306                 break;
 307         case HPI_OSTREAM_GET_INFO:
 308                 outstream_get_info(pao, phm, phr);
 309                 break;
 310         case HPI_OSTREAM_HOSTBUFFER_ALLOC:
 311                 outstream_host_buffer_allocate(pao, phm, phr);
 312                 break;
 313         case HPI_OSTREAM_HOSTBUFFER_GET_INFO:
 314                 outstream_host_buffer_get_info(pao, phm, phr);
 315                 break;
 316         case HPI_OSTREAM_HOSTBUFFER_FREE:
 317                 outstream_host_buffer_free(pao, phm, phr);
 318                 break;
 319         case HPI_OSTREAM_START:
 320                 outstream_start(pao, phm, phr);
 321                 break;
 322         case HPI_OSTREAM_OPEN:
 323                 outstream_open(pao, phm, phr);
 324                 break;
 325         case HPI_OSTREAM_RESET:
 326                 outstream_reset(pao, phm, phr);
 327                 break;
 328         default:
 329                 hw_message(pao, phm, phr);
 330                 break;
 331         }
 332 }
 333
 334 static void instream_message(struct hpi_adapter_obj *pao,
 335         struct hpi_message *phm, struct hpi_response *phr)
 336 {
 337
 338         if (phm->obj_index >= HPI_MAX_STREAMS) {
 339                 phr->error = HPI_ERROR_INVALID_OBJ_INDEX;
 340                 HPI_DEBUG_LOG(WARNING,
 341                         "Message referencing invalid stream %d "
 342                         "on adapter index %d\n", phm->obj_index,
 343                         phm->adapter_index);
 344                 return;
 345         }
 346
 347         switch (phm->function) {
 348         case HPI_ISTREAM_READ:
 349                 instream_read(pao, phm, phr);
 350                 break;
 351         case HPI_ISTREAM_GET_INFO:
 352                 instream_get_info(pao, phm, phr);
 353                 break;
 354         case HPI_ISTREAM_HOSTBUFFER_ALLOC:
 355                 instream_host_buffer_allocate(pao, phm, phr);
 356                 break;
 357         case HPI_ISTREAM_HOSTBUFFER_GET_INFO:
 358                 instream_host_buffer_get_info(pao, phm, phr);
 359                 break;
 360         case HPI_ISTREAM_HOSTBUFFER_FREE:
 361                 instream_host_buffer_free(pao, phm, phr);
 362                 break;
 363         case HPI_ISTREAM_START:
 364                 instream_start(pao, phm, phr);
 365                 break;
 366         default:
 367                 hw_message(pao, phm, phr);
 368                 break;
 369         }
 370 }
 371
 372 /*****************************************************************************/
 373 /** Entry point to this HPI backend
 374  * All calls to the HPI start here
 375  */
 376 void _HPI_6205(struct hpi_adapter_obj *pao, struct hpi_message *phm,
 377         struct hpi_response *phr)
 378 {
 379         if (pao && (pao->dsp_crashed >= 10)
 380                 && (phm->function != HPI_ADAPTER_DEBUG_READ)) {
 381                 /* allow last resort debug read even after crash */
 382                 hpi_init_response(phr, phm->object, phm->function,
 383                         HPI_ERROR_DSP_HARDWARE);
 384                 HPI_DEBUG_LOG(WARNING, " %d,%d dsp crashed.\n", phm->object,
 385                         phm->function);
 386                 return;
 387         }
 388
 389         /* Init default response  */
 390         if (phm->function != HPI_SUBSYS_CREATE_ADAPTER)
 391                 phr->error = HPI_ERROR_PROCESSING_MESSAGE;
 392
 393         HPI_DEBUG_LOG(VERBOSE, "start of switch\n");
 394         switch (phm->type) {
 395         case HPI_TYPE_MESSAGE:
 396                 switch (phm->object) {
 397                 case HPI_OBJ_SUBSYSTEM:
 398                         subsys_message(pao, phm, phr);
 399                         break;
 400
 401                 case HPI_OBJ_ADAPTER:
 402                         adapter_message(pao, phm, phr);
 403                         break;
 404
 405                 case HPI_OBJ_CONTROLEX:
 406                 case HPI_OBJ_CONTROL:
 407                         control_message(pao, phm, phr);
 408                         break;
 409
 410                 case HPI_OBJ_OSTREAM:
 411                         outstream_message(pao, phm, phr);
 412                         break;
 413
 414                 case HPI_OBJ_ISTREAM:
 415                         instream_message(pao, phm, phr);
 416                         break;
 417
 418                 default:
 419                         hw_message(pao, phm, phr);
 420                         break;
 421                 }
 422                 break;
 423
 424         default:
 425                 phr->error = HPI_ERROR_INVALID_TYPE;
 426                 break;
 427         }
 428 }
 429
 430 void HPI_6205(struct hpi_message *phm, struct hpi_response *phr)
 431 {
 432         struct hpi_adapter_obj *pao = NULL;
 433
 434         if (phm->object != HPI_OBJ_SUBSYSTEM) {
 435                 /* normal messages must have valid adapter index */
 436                 pao = hpi_find_adapter(phm->adapter_index);
 437         } else {
 438                 /* subsys messages don't address an adapter */
 439                 _HPI_6205(NULL, phm, phr);
 440                 return;
 441         }
 442
 443         if (pao)
 444                 _HPI_6205(pao, phm, phr);
 445         else
 446                 hpi_init_response(phr, phm->object, phm->function,
 447                         HPI_ERROR_BAD_ADAPTER_NUMBER);
 448 }
 449
 450 /*****************************************************************************/
 451 /* SUBSYSTEM */
 452
 453 /** Create an adapter object and initialise it based on resource information
 454  * passed in in the message
 455  * *** NOTE - you cannot use this function AND the FindAdapters function at the
 456  * same time, the application must use only one of them to get the adapters ***
 457  */
 458 static void subsys_create_adapter(struct hpi_message *phm,
 459         struct hpi_response *phr)
 460 {
 461         /* create temp adapter obj, because we don't know what index yet */
 462         struct hpi_adapter_obj ao;
 463         u32 os_error_code;
 464         u16 err;
 465
 466         HPI_DEBUG_LOG(DEBUG, " subsys_create_adapter\n");
 467
 468         memset(&ao, 0, sizeof(ao));
 469
 470         ao.priv = kzalloc(sizeof(struct hpi_hw_obj), GFP_KERNEL);
 471         if (!ao.priv) {
 472                 HPI_DEBUG_LOG(ERROR, "can't get mem for adapter object\n");
 473                 phr->error = HPI_ERROR_MEMORY_ALLOC;
 474                 return;
 475         }
 476
 477         ao.pci = *phm->u.s.resource.r.pci;
 478         err = create_adapter_obj(&ao, &os_error_code);
 479         if (err) {
 480                 delete_adapter_obj(&ao);
 481                 if (err >= HPI_ERROR_BACKEND_BASE) {
 482                         phr->error = HPI_ERROR_DSP_BOOTLOAD;
 483                         phr->specific_error = err;
 484                 } else {
 485                         phr->error = err;
 486                 }
 487                 phr->u.s.data = os_error_code;
 488                 return;
 489         }
 490
 491         phr->u.s.adapter_type = ao.adapter_type;
 492         phr->u.s.adapter_index = ao.index;
 493         phr->error = 0;
 494 }
 495
 496 /** delete an adapter - required by WDM driver */
 497 static void adapter_delete(struct hpi_adapter_obj *pao,
 498         struct hpi_message *phm, struct hpi_response *phr)
 499 {
 500         struct hpi_hw_obj *phw;
 501
 502         if (!pao) {
 503                 phr->error = HPI_ERROR_INVALID_OBJ_INDEX;
 504                 return;
 505         }
 506         phw = (struct hpi_hw_obj *)pao->priv;
 507         /* reset adapter h/w */
 508         /* Reset C6713 #1 */
 509         boot_loader_write_mem32(pao, 0, C6205_BAR0_TIMER1_CTL, 0);
 510         /* reset C6205 */
 511         iowrite32(C6205_HDCR_WARMRESET, phw->prHDCR);
 512
 513         delete_adapter_obj(pao);
 514         hpi_delete_adapter(pao);
 515         phr->error = 0;
 516 }
 517
 518 /** Create adapter object
 519   allocate buffers, bootload DSPs, initialise control cache
 520 */
 521 static u16 create_adapter_obj(struct hpi_adapter_obj *pao,
 522         u32 *pos_error_code)
 523 {
 524         struct hpi_hw_obj *phw = pao->priv;
 525         struct bus_master_interface *interface;
 526         u32 phys_addr;
 527         int i;
 528         u16 err;
 529
 530         /* init error reporting */
 531         pao->dsp_crashed = 0;
 532
 533         for (i = 0; i < HPI_MAX_STREAMS; i++)
 534                 phw->flag_outstream_just_reset[i] = 1;
 535
 536         /* The C6205 memory area 1 is 8Mbyte window into DSP registers */
 537         phw->prHSR =
 538                 pao->pci.ap_mem_base[1] +
 539                 C6205_BAR1_HSR / sizeof(*pao->pci.ap_mem_base[1]);
 540         phw->prHDCR =
 541                 pao->pci.ap_mem_base[1] +
 542                 C6205_BAR1_HDCR / sizeof(*pao->pci.ap_mem_base[1]);
 543         phw->prDSPP =
 544                 pao->pci.ap_mem_base[1] +
 545                 C6205_BAR1_DSPP / sizeof(*pao->pci.ap_mem_base[1]);
 546
 547         pao->has_control_cache = 0;
 548
 549         if (hpios_locked_mem_alloc(&phw->h_locked_mem,
 550                         sizeof(struct bus_master_interface),
 551                         pao->pci.pci_dev))
 552                 phw->p_interface_buffer = NULL;
 553         else if (hpios_locked_mem_get_virt_addr(&phw->h_locked_mem,
 554                         (void *)&phw->p_interface_buffer))
 555                 phw->p_interface_buffer = NULL;
 556
 557         HPI_DEBUG_LOG(DEBUG, "interface buffer address %p\n",
 558                 phw->p_interface_buffer);
 559
 560         if (phw->p_interface_buffer) {
 561                 memset((void *)phw->p_interface_buffer, 0,
 562                         sizeof(struct bus_master_interface));
 563                 phw->p_interface_buffer->dsp_ack = H620_HIF_UNKNOWN;
 564         }
 565
 566         err = adapter_boot_load_dsp(pao, pos_error_code);
 567         if (err) {
 568                 HPI_DEBUG_LOG(ERROR, "DSP code load failed\n");
 569                 /* no need to clean up as SubSysCreateAdapter */
 570                 /* calls DeleteAdapter on error. */
 571                 return err;
 572         }
 573         HPI_DEBUG_LOG(INFO, "load DSP code OK\n");
 574
 575         /* allow boot load even if mem alloc wont work */
 576         if (!phw->p_interface_buffer)
 577                 return HPI_ERROR_MEMORY_ALLOC;
 578
 579         interface = phw->p_interface_buffer;
 580
 581         /* make sure the DSP has started ok */
 582         if (!wait_dsp_ack(phw, H620_HIF_RESET, HPI6205_TIMEOUT * 10)) {
 583                 HPI_DEBUG_LOG(ERROR, "timed out waiting reset state \n");
 584                 return HPI6205_ERROR_6205_INIT_FAILED;
 585         }
 586         /* Note that *pao, *phw are zeroed after allocation,
 587          * so pointers and flags are NULL by default.
 588          * Allocate bus mastering control cache buffer and tell the DSP about it
 589          */
 590         if (interface->control_cache.number_of_controls) {
 591                 u8 *p_control_cache_virtual;
 592
 593                 err = hpios_locked_mem_alloc(&phw->h_control_cache,
 594                         interface->control_cache.size_in_bytes,
 595                         pao->pci.pci_dev);
 596                 if (!err)
 597                         err = hpios_locked_mem_get_virt_addr(&phw->
 598                                 h_control_cache,
 599                                 (void *)&p_control_cache_virtual);
 600                 if (!err) {
 601                         memset(p_control_cache_virtual, 0,
 602                                 interface->control_cache.size_in_bytes);
 603
 604                         phw->p_cache =
 605                                 hpi_alloc_control_cache(interface->
 606                                 control_cache.number_of_controls,
 607                                 interface->control_cache.size_in_bytes,
 608                                 p_control_cache_virtual);
 609
 610                         if (!phw->p_cache)
 611                                 err = HPI_ERROR_MEMORY_ALLOC;
 612                 }
 613                 if (!err) {
 614                         err = hpios_locked_mem_get_phys_addr(&phw->
 615                                 h_control_cache, &phys_addr);
 616                         interface->control_cache.physical_address32 =
 617                                 phys_addr;
 618                 }
 619
 620                 if (!err)
 621                         pao->has_control_cache = 1;
 622                 else {
 623                         if (hpios_locked_mem_valid(&phw->h_control_cache))
 624                                 hpios_locked_mem_free(&phw->h_control_cache);
 625                         pao->has_control_cache = 0;
 626                 }
 627         }
 628         send_dsp_command(phw, H620_HIF_IDLE);
 629
 630         {
 631                 struct hpi_message hm;
 632                 struct hpi_response hr;
 633                 u32 max_streams;
 634
 635                 HPI_DEBUG_LOG(VERBOSE, "init ADAPTER_GET_INFO\n");
 636                 memset(&hm, 0, sizeof(hm));
 637                 hm.type = HPI_TYPE_MESSAGE;
 638                 hm.size = sizeof(hm);
 639                 hm.object = HPI_OBJ_ADAPTER;
 640                 hm.function = HPI_ADAPTER_GET_INFO;
 641                 hm.adapter_index = 0;
 642                 memset(&hr, 0, sizeof(hr));
 643                 hr.size = sizeof(hr);
 644
 645                 err = message_response_sequence(pao, &hm, &hr);
 646                 if (err) {
 647                         HPI_DEBUG_LOG(ERROR, "message transport error %d\n",
 648                                 err);
 649                         return err;
 650                 }
 651                 if (hr.error)
 652                         return hr.error;
 653
 654                 pao->adapter_type = hr.u.ax.info.adapter_type;
 655                 pao->index = hr.u.ax.info.adapter_index;
 656
 657                 max_streams =
 658                         hr.u.ax.info.num_outstreams +
 659                         hr.u.ax.info.num_instreams;
 660
 661                 hpios_locked_mem_prepare((max_streams * 6) / 10, max_streams,
 662                         65536, pao->pci.pci_dev);
 663
 664                 HPI_DEBUG_LOG(VERBOSE,
 665                         "got adapter info type %x index %d serial %d\n",
 666                         hr.u.ax.info.adapter_type, hr.u.ax.info.adapter_index,
 667                         hr.u.ax.info.serial_number);
 668         }
 669
 670         pao->open = 0;  /* upon creation the adapter is closed */
 671
 672         if (phw->p_cache)
 673                 phw->p_cache->adap_idx = pao->index;
 674
 675         HPI_DEBUG_LOG(INFO, "bootload DSP OK\n");
 676
 677         return hpi_add_adapter(pao);
 678 }
 679
 680 /** Free memory areas allocated by adapter
 681  * this routine is called from AdapterDelete,
 682   * and SubSysCreateAdapter if duplicate index
 683 */
 684 static void delete_adapter_obj(struct hpi_adapter_obj *pao)
 685 {
 686         struct hpi_hw_obj *phw = pao->priv;
 687         int i;
 688
 689         if (hpios_locked_mem_valid(&phw->h_control_cache)) {
 690                 hpios_locked_mem_free(&phw->h_control_cache);
 691                 hpi_free_control_cache(phw->p_cache);
 692         }
 693
 694         if (hpios_locked_mem_valid(&phw->h_locked_mem)) {
 695                 hpios_locked_mem_free(&phw->h_locked_mem);
 696                 phw->p_interface_buffer = NULL;
 697         }
 698
 699         for (i = 0; i < HPI_MAX_STREAMS; i++)
 700                 if (hpios_locked_mem_valid(&phw->instream_host_buffers[i])) {
 701                         hpios_locked_mem_free(&phw->instream_host_buffers[i]);
 702                         /*?phw->InStreamHostBuffers[i] = NULL; */
 703                         phw->instream_host_buffer_size[i] = 0;
 704                 }
 705
 706         for (i = 0; i < HPI_MAX_STREAMS; i++)
 707                 if (hpios_locked_mem_valid(&phw->outstream_host_buffers[i])) {
 708                         hpios_locked_mem_free(&phw->outstream_host_buffers
 709                                 [i]);
 710                         phw->outstream_host_buffer_size[i] = 0;
 711                 }
 712
 713         hpios_locked_mem_unprepare(pao->pci.pci_dev);
 714
 715         kfree(phw);
 716 }
 717
 718 /*****************************************************************************/
 719 /* Adapter functions */
 720
 721 /*****************************************************************************/
 722 /* OutStream Host buffer functions */
 723
 724 /** Allocate or attach buffer for busmastering
 725 */
 726 static void outstream_host_buffer_allocate(struct hpi_adapter_obj *pao,
 727         struct hpi_message *phm, struct hpi_response *phr)
 728 {
 729         u16 err = 0;
 730         u32 command = phm->u.d.u.buffer.command;
 731         struct hpi_hw_obj *phw = pao->priv;
 732         struct bus_master_interface *interface = phw->p_interface_buffer;
 733
 734         hpi_init_response(phr, phm->object, phm->function, 0);
 735
 736         if (command == HPI_BUFFER_CMD_EXTERNAL
 737                 || command == HPI_BUFFER_CMD_INTERNAL_ALLOC) {
 738                 /* ALLOC phase, allocate a buffer with power of 2 size,
 739                    get its bus address for PCI bus mastering
 740                  */
 741                 phm->u.d.u.buffer.buffer_size =
 742                         roundup_pow_of_two(phm->u.d.u.buffer.buffer_size);
 743                 /* return old size and allocated size,
 744                    so caller can detect change */
 745                 phr->u.d.u.stream_info.data_available =
 746                         phw->outstream_host_buffer_size[phm->obj_index];
 747                 phr->u.d.u.stream_info.buffer_size =
 748                         phm->u.d.u.buffer.buffer_size;
 749
 750                 if (phw->outstream_host_buffer_size[phm->obj_index] ==
 751                         phm->u.d.u.buffer.buffer_size) {
 752                         /* Same size, no action required */
 753                         return;
 754                 }
 755
 756                 if (hpios_locked_mem_valid(&phw->outstream_host_buffers[phm->
 757                                         obj_index]))
 758                         hpios_locked_mem_free(&phw->outstream_host_buffers
 759                                 [phm->obj_index]);
 760
 761                 err = hpios_locked_mem_alloc(&phw->outstream_host_buffers
 762                         [phm->obj_index], phm->u.d.u.buffer.buffer_size,
 763                         pao->pci.pci_dev);
 764
 765                 if (err) {
 766                         phr->error = HPI_ERROR_INVALID_DATASIZE;
 767                         phw->outstream_host_buffer_size[phm->obj_index] = 0;
 768                         return;
 769                 }
 770
 771                 err = hpios_locked_mem_get_phys_addr
 772                         (&phw->outstream_host_buffers[phm->obj_index],
 773                         &phm->u.d.u.buffer.pci_address);
 774                 /* get the phys addr into msg for single call alloc caller
 775                  * needs to do this for split alloc (or use the same message)
 776                  * return the phy address for split alloc in the respose too
 777                  */
 778                 phr->u.d.u.stream_info.auxiliary_data_available =
 779                         phm->u.d.u.buffer.pci_address;
 780
 781                 if (err) {
 782                         hpios_locked_mem_free(&phw->outstream_host_buffers
 783                                 [phm->obj_index]);
 784                         phw->outstream_host_buffer_size[phm->obj_index] = 0;
 785                         phr->error = HPI_ERROR_MEMORY_ALLOC;
 786                         return;
 787                 }
 788         }
 789
 790         if (command == HPI_BUFFER_CMD_EXTERNAL
 791                 || command == HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER) {
 792                 /* GRANT phase.  Set up the BBM status, tell the DSP about
 793                    the buffer so it can start using BBM.
 794                  */
 795                 struct hpi_hostbuffer_status *status;
 796
 797                 if (phm->u.d.u.buffer.buffer_size & (phm->u.d.u.buffer.
 798                                 buffer_size - 1)) {
 799                         HPI_DEBUG_LOG(ERROR,
 800                                 "Buffer size must be 2^N not %d\n",
 801                                 phm->u.d.u.buffer.buffer_size);
 802                         phr->error = HPI_ERROR_INVALID_DATASIZE;
 803                         return;
 804                 }
 805                 phw->outstream_host_buffer_size[phm->obj_index] =
 806                         phm->u.d.u.buffer.buffer_size;
 807                 status = &interface->outstream_host_buffer_status[phm->
 808                         obj_index];
 809                 status->samples_processed = 0;
 810                 status->stream_state = HPI_STATE_STOPPED;
 811                 status->dSP_index = 0;
 812                 status->host_index = status->dSP_index;
 813                 status->size_in_bytes = phm->u.d.u.buffer.buffer_size;
 814                 status->auxiliary_data_available = 0;
 815
 816                 hw_message(pao, phm, phr);
 817
 818                 if (phr->error
 819                         && hpios_locked_mem_valid(&phw->
 820                                 outstream_host_buffers[phm->obj_index])) {
 821                         hpios_locked_mem_free(&phw->outstream_host_buffers
 822                                 [phm->obj_index]);
 823                         phw->outstream_host_buffer_size[phm->obj_index] = 0;
 824                 }
 825         }
 826 }
 827
 828 static void outstream_host_buffer_get_info(struct hpi_adapter_obj *pao,
 829         struct hpi_message *phm, struct hpi_response *phr)
 830 {
 831         struct hpi_hw_obj *phw = pao->priv;
 832         struct bus_master_interface *interface = phw->p_interface_buffer;
 833         struct hpi_hostbuffer_status *status;
 834         u8 *p_bbm_data;
 835
 836         if (hpios_locked_mem_valid(&phw->outstream_host_buffers[phm->
 837                                 obj_index])) {
 838                 if (hpios_locked_mem_get_virt_addr(&phw->
 839                                 outstream_host_buffers[phm->obj_index],
 840                                 (void *)&p_bbm_data)) {
 841                         phr->error = HPI_ERROR_INVALID_OPERATION;
 842                         return;
 843                 }
 844                 status = &interface->outstream_host_buffer_status[phm->
 845                         obj_index];
 846                 hpi_init_response(phr, HPI_OBJ_OSTREAM,
 847                         HPI_OSTREAM_HOSTBUFFER_GET_INFO, 0);
 848                 phr->u.d.u.hostbuffer_info.p_buffer = p_bbm_data;
 849                 phr->u.d.u.hostbuffer_info.p_status = status;
 850         } else {
 851                 hpi_init_response(phr, HPI_OBJ_OSTREAM,
 852                         HPI_OSTREAM_HOSTBUFFER_GET_INFO,
 853                         HPI_ERROR_INVALID_OPERATION);
 854         }
 855 }
 856
 857 static void outstream_host_buffer_free(struct hpi_adapter_obj *pao,
 858         struct hpi_message *phm, struct hpi_response *phr)
 859 {
 860         struct hpi_hw_obj *phw = pao->priv;
 861         u32 command = phm->u.d.u.buffer.command;
 862
 863         if (phw->outstream_host_buffer_size[phm->obj_index]) {
 864                 if (command == HPI_BUFFER_CMD_EXTERNAL
 865                         || command == HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER) {
 866                         phw->outstream_host_buffer_size[phm->obj_index] = 0;
 867                         hw_message(pao, phm, phr);
 868                         /* Tell adapter to stop using the host buffer. */
 869                 }
 870                 if (command == HPI_BUFFER_CMD_EXTERNAL
 871                         || command == HPI_BUFFER_CMD_INTERNAL_FREE)
 872                         hpios_locked_mem_free(&phw->outstream_host_buffers
 873                                 [phm->obj_index]);
 874         }
 875         /* Should HPI_ERROR_INVALID_OPERATION be returned
 876            if no host buffer is allocated? */
 877         else
 878                 hpi_init_response(phr, HPI_OBJ_OSTREAM,
 879                         HPI_OSTREAM_HOSTBUFFER_FREE, 0);
 880
 881 }
 882
 883 static u32 outstream_get_space_available(struct hpi_hostbuffer_status *status)
 884 {
 885         return status->size_in_bytes - (status->host_index -
 886                 status->dSP_index);
 887 }
 888
 889 static void outstream_write(struct hpi_adapter_obj *pao,
 890         struct hpi_message *phm, struct hpi_response *phr)
 891 {
 892         struct hpi_hw_obj *phw = pao->priv;
 893         struct bus_master_interface *interface = phw->p_interface_buffer;
 894         struct hpi_hostbuffer_status *status;
 895         u32 space_available;
 896
 897         if (!phw->outstream_host_buffer_size[phm->obj_index]) {
 898                 /* there  is no BBM buffer, write via message */
 899                 hw_message(pao, phm, phr);
 900                 return;
 901         }
 902
 903         hpi_init_response(phr, phm->object, phm->function, 0);
 904         status = &interface->outstream_host_buffer_status[phm->obj_index];
 905
 906         space_available = outstream_get_space_available(status);
 907         if (space_available < phm->u.d.u.data.data_size) {
 908                 phr->error = HPI_ERROR_INVALID_DATASIZE;
 909                 return;
 910         }
 911
 912         /* HostBuffers is used to indicate host buffer is internally allocated.
 913            otherwise, assumed external, data written externally */
 914         if (phm->u.d.u.data.pb_data
 915                 && hpios_locked_mem_valid(&phw->outstream_host_buffers[phm->
 916                                 obj_index])) {
 917                 u8 *p_bbm_data;
 918                 u32 l_first_write;
 919                 u8 *p_app_data = (u8 *)phm->u.d.u.data.pb_data;
 920
 921                 if (hpios_locked_mem_get_virt_addr(&phw->
 922                                 outstream_host_buffers[phm->obj_index],
 923                                 (void *)&p_bbm_data)) {
 924                         phr->error = HPI_ERROR_INVALID_OPERATION;
 925                         return;
 926                 }
 927
 928                 /* either all data,
 929                    or enough to fit from current to end of BBM buffer */
 930                 l_first_write =
 931                         min(phm->u.d.u.data.data_size,
 932                         status->size_in_bytes -
 933                         (status->host_index & (status->size_in_bytes - 1)));
 934
 935                 memcpy(p_bbm_data +
 936                         (status->host_index & (status->size_in_bytes - 1)),
 937                         p_app_data, l_first_write);
 938                 /* remaining data if any */
 939                 memcpy(p_bbm_data, p_app_data + l_first_write,
 940                         phm->u.d.u.data.data_size - l_first_write);
 941         }
 942
 943         /*
 944          * This version relies on the DSP code triggering an OStream buffer
 945          * update immediately following a SET_FORMAT call. The host has
 946          * already written data into the BBM buffer, but the DSP won't know
 947          * about it until dwHostIndex is adjusted.
 948          */
 949         if (phw->flag_outstream_just_reset[phm->obj_index]) {
 950                 /* Format can only change after reset. Must tell DSP. */
 951                 u16 function = phm->function;
 952                 phw->flag_outstream_just_reset[phm->obj_index] = 0;
 953                 phm->function = HPI_OSTREAM_SET_FORMAT;
 954                 hw_message(pao, phm, phr);      /* send the format to the DSP */
 955                 phm->function = function;
 956                 if (phr->error)
 957                         return;
 958         }
 959
 960         status->host_index += phm->u.d.u.data.data_size;
 961 }
 962
 963 static void outstream_get_info(struct hpi_adapter_obj *pao,
 964         struct hpi_message *phm, struct hpi_response *phr)
 965 {
 966         struct hpi_hw_obj *phw = pao->priv;
 967         struct bus_master_interface *interface = phw->p_interface_buffer;
 968         struct hpi_hostbuffer_status *status;
 969
 970         if (!phw->outstream_host_buffer_size[phm->obj_index]) {
 971                 hw_message(pao, phm, phr);
 972                 return;
 973         }
 974
 975         hpi_init_response(phr, phm->object, phm->function, 0);
 976
 977         status = &interface->outstream_host_buffer_status[phm->obj_index];
 978
 979         phr->u.d.u.stream_info.state = (u16)status->stream_state;
 980         phr->u.d.u.stream_info.samples_transferred =
 981                 status->samples_processed;
 982         phr->u.d.u.stream_info.buffer_size = status->size_in_bytes;
 983         phr->u.d.u.stream_info.data_available =
 984                 status->size_in_bytes - outstream_get_space_available(status);
 985         phr->u.d.u.stream_info.auxiliary_data_available =
 986                 status->auxiliary_data_available;
 987 }
 988
 989 static void outstream_start(struct hpi_adapter_obj *pao,
 990         struct hpi_message *phm, struct hpi_response *phr)
 991 {
 992         hw_message(pao, phm, phr);
 993 }
 994
 995 static void outstream_reset(struct hpi_adapter_obj *pao,
 996         struct hpi_message *phm, struct hpi_response *phr)
 997 {
 998         struct hpi_hw_obj *phw = pao->priv;
 999         phw->flag_outstream_just_reset[phm->obj_index] = 1;
1000         hw_message(pao, phm, phr);
1001 }
1002
1003 static void outstream_open(struct hpi_adapter_obj *pao,
1004         struct hpi_message *phm, struct hpi_response *phr)
1005 {
1006         outstream_reset(pao, phm, phr);
1007 }
1008
1009 /*****************************************************************************/
1010 /* InStream Host buffer functions */
1011
1012 static void instream_host_buffer_allocate(struct hpi_adapter_obj *pao,
1013         struct hpi_message *phm, struct hpi_response *phr)
1014 {
1015         u16 err = 0;
1016         u32 command = phm->u.d.u.buffer.command;
1017         struct hpi_hw_obj *phw = pao->priv;
1018         struct bus_master_interface *interface = phw->p_interface_buffer;
1019
1020         hpi_init_response(phr, phm->object, phm->function, 0);
1021
1022         if (command == HPI_BUFFER_CMD_EXTERNAL
1023                 || command == HPI_BUFFER_CMD_INTERNAL_ALLOC) {
1024
1025                 phm->u.d.u.buffer.buffer_size =
1026                         roundup_pow_of_two(phm->u.d.u.buffer.buffer_size);
1027                 phr->u.d.u.stream_info.data_available =
1028                         phw->instream_host_buffer_size[phm->obj_index];
1029                 phr->u.d.u.stream_info.buffer_size =
1030                         phm->u.d.u.buffer.buffer_size;
1031
1032                 if (phw->instream_host_buffer_size[phm->obj_index] ==
1033                         phm->u.d.u.buffer.buffer_size) {
1034                         /* Same size, no action required */
1035                         return;
1036                 }
1037
1038                 if (hpios_locked_mem_valid(&phw->instream_host_buffers[phm->
1039                                         obj_index]))
1040                         hpios_locked_mem_free(&phw->instream_host_buffers
1041                                 [phm->obj_index]);
1042
1043                 err = hpios_locked_mem_alloc(&phw->instream_host_buffers[phm->
1044                                 obj_index], phm->u.d.u.buffer.buffer_size,
1045                         pao->pci.pci_dev);
1046
1047                 if (err) {
1048                         phr->error = HPI_ERROR_INVALID_DATASIZE;
1049                         phw->instream_host_buffer_size[phm->obj_index] = 0;
1050                         return;
1051                 }
1052
1053                 err = hpios_locked_mem_get_phys_addr
1054                         (&phw->instream_host_buffers[phm->obj_index],
1055                         &phm->u.d.u.buffer.pci_address);
1056                 /* get the phys addr into msg for single call alloc. Caller
1057                    needs to do this for split alloc so return the phy address */
1058                 phr->u.d.u.stream_info.auxiliary_data_available =
1059                         phm->u.d.u.buffer.pci_address;
1060                 if (err) {
1061                         hpios_locked_mem_free(&phw->instream_host_buffers
1062                                 [phm->obj_index]);
1063                         phw->instream_host_buffer_size[phm->obj_index] = 0;
1064                         phr->error = HPI_ERROR_MEMORY_ALLOC;
1065                         return;
1066                 }
1067         }
1068
1069         if (command == HPI_BUFFER_CMD_EXTERNAL
1070                 || command == HPI_BUFFER_CMD_INTERNAL_GRANTADAPTER) {
1071                 struct hpi_hostbuffer_status *status;
1072
1073                 if (phm->u.d.u.buffer.buffer_size & (phm->u.d.u.buffer.
1074                                 buffer_size - 1)) {
1075                         HPI_DEBUG_LOG(ERROR,
1076                                 "Buffer size must be 2^N not %d\n",
1077                                 phm->u.d.u.buffer.buffer_size);
1078                         phr->error = HPI_ERROR_INVALID_DATASIZE;
1079                         return;
1080                 }
1081
1082                 phw->instream_host_buffer_size[phm->obj_index] =
1083                         phm->u.d.u.buffer.buffer_size;
1084                 status = &interface->instream_host_buffer_status[phm->
1085                         obj_index];
1086                 status->samples_processed = 0;
1087                 status->stream_state = HPI_STATE_STOPPED;
1088                 status->dSP_index = 0;
1089                 status->host_index = status->dSP_index;
1090                 status->size_in_bytes = phm->u.d.u.buffer.buffer_size;
1091                 status->auxiliary_data_available = 0;
1092
1093                 hw_message(pao, phm, phr);
1094
1095                 if (phr->error
1096                         && hpios_locked_mem_valid(&phw->
1097                                 instream_host_buffers[phm->obj_index])) {
1098                         hpios_locked_mem_free(&phw->instream_host_buffers
1099                                 [phm->obj_index]);
1100                         phw->instream_host_buffer_size[phm->obj_index] = 0;
1101                 }
1102         }
1103 }
1104
1105 static void instream_host_buffer_get_info(struct hpi_adapter_obj *pao,
1106         struct hpi_message *phm, struct hpi_response *phr)
1107 {
1108         struct hpi_hw_obj *phw = pao->priv;
1109         struct bus_master_interface *interface = phw->p_interface_buffer;
1110         struct hpi_hostbuffer_status *status;
1111         u8 *p_bbm_data;
1112
1113         if (hpios_locked_mem_valid(&phw->instream_host_buffers[phm->
1114                                 obj_index])) {
1115                 if (hpios_locked_mem_get_virt_addr(&phw->
1116                                 instream_host_buffers[phm->obj_index],
1117                                 (void *)&p_bbm_data)) {
1118                         phr->error = HPI_ERROR_INVALID_OPERATION;
1119                         return;
1120                 }
1121                 status = &interface->instream_host_buffer_status[phm->
1122                         obj_index];
1123                 hpi_init_response(phr, HPI_OBJ_ISTREAM,
1124                         HPI_ISTREAM_HOSTBUFFER_GET_INFO, 0);
1125                 phr->u.d.u.hostbuffer_info.p_buffer = p_bbm_data;
1126                 phr->u.d.u.hostbuffer_info.p_status = status;
1127         } else {
1128                 hpi_init_response(phr, HPI_OBJ_ISTREAM,
1129                         HPI_ISTREAM_HOSTBUFFER_GET_INFO,
1130                         HPI_ERROR_INVALID_OPERATION);
1131         }
1132 }
1133
1134 static void instream_host_buffer_free(struct hpi_adapter_obj *pao,
1135         struct hpi_message *phm, struct hpi_response *phr)
1136 {
1137         struct hpi_hw_obj *phw = pao->priv;
1138         u32 command = phm->u.d.u.buffer.command;
1139
1140         if (phw->instream_host_buffer_size[phm->obj_index]) {
1141                 if (command == HPI_BUFFER_CMD_EXTERNAL
1142                         || command == HPI_BUFFER_CMD_INTERNAL_REVOKEADAPTER) {
1143                         phw->instream_host_buffer_size[phm->obj_index] = 0;
1144                         hw_message(pao, phm, phr);
1145                 }
1146
1147                 if (command == HPI_BUFFER_CMD_EXTERNAL
1148                         || command == HPI_BUFFER_CMD_INTERNAL_FREE)
1149                         hpios_locked_mem_free(&phw->instream_host_buffers
1150                                 [phm->obj_index]);
1151
1152         } else {
1153                 /* Should HPI_ERROR_INVALID_OPERATION be returned
1154                    if no host buffer is allocated? */
1155                 hpi_init_response(phr, HPI_OBJ_ISTREAM,
1156                         HPI_ISTREAM_HOSTBUFFER_FREE, 0);
1157
1158         }
1159
1160 }
1161
1162 static void instream_start(struct hpi_adapter_obj *pao,
1163         struct hpi_message *phm, struct hpi_response *phr)
1164 {
1165         hw_message(pao, phm, phr);
1166 }
1167
1168 static u32 instream_get_bytes_available(struct hpi_hostbuffer_status *status)
1169 {
1170         return status->dSP_index - status->host_index;
1171 }
1172
1173 static void instream_read(struct hpi_adapter_obj *pao,
1174         struct hpi_message *phm, struct hpi_response *phr)
1175 {
1176         struct hpi_hw_obj *phw = pao->priv;
1177         struct bus_master_interface *interface = phw->p_interface_buffer;
1178         struct hpi_hostbuffer_status *status;
1179         u32 data_available;
1180         u8 *p_bbm_data;
1181         u32 l_first_read;
1182         u8 *p_app_data = (u8 *)phm->u.d.u.data.pb_data;
1183
1184         if (!phw->instream_host_buffer_size[phm->obj_index]) {
1185                 hw_message(pao, phm, phr);
1186                 return;
1187         }
1188         hpi_init_response(phr, phm->object, phm->function, 0);
1189
1190         status = &interface->instream_host_buffer_status[phm->obj_index];
1191         data_available = instream_get_bytes_available(status);
1192         if (data_available < phm->u.d.u.data.data_size) {
1193                 phr->error = HPI_ERROR_INVALID_DATASIZE;
1194                 return;
1195         }
1196
1197         if (hpios_locked_mem_valid(&phw->instream_host_buffers[phm->
1198                                 obj_index])) {
1199                 if (hpios_locked_mem_get_virt_addr(&phw->
1200                                 instream_host_buffers[phm->obj_index],
1201                                 (void *)&p_bbm_data)) {
1202                         phr->error = HPI_ERROR_INVALID_OPERATION;
1203                         return;
1204                 }
1205
1206                 /* either all data,
1207                    or enough to fit from current to end of BBM buffer */
1208                 l_first_read =
1209                         min(phm->u.d.u.data.data_size,
1210                         status->size_in_bytes -
1211                         (status->host_index & (status->size_in_bytes - 1)));
1212
1213                 memcpy(p_app_data,
1214                         p_bbm_data +
1215                         (status->host_index & (status->size_in_bytes - 1)),
1216                         l_first_read);
1217                 /* remaining data if any */
1218                 memcpy(p_app_data + l_first_read, p_bbm_data,
1219                         phm->u.d.u.data.data_size - l_first_read);
1220         }
1221         status->host_index += phm->u.d.u.data.data_size;
1222 }
1223
1224 static void instream_get_info(struct hpi_adapter_obj *pao,
1225         struct hpi_message *phm, struct hpi_response *phr)
1226 {
1227         struct hpi_hw_obj *phw = pao->priv;
1228         struct bus_master_interface *interface = phw->p_interface_buffer;
1229         struct hpi_hostbuffer_status *status;
1230         if (!phw->instream_host_buffer_size[phm->obj_index]) {
1231                 hw_message(pao, phm, phr);
1232                 return;
1233         }
1234
1235         status = &interface->instream_host_buffer_status[phm->obj_index];
1236
1237         hpi_init_response(phr, phm->object, phm->function, 0);
1238
1239         phr->u.d.u.stream_info.state = (u16)status->stream_state;
1240         phr->u.d.u.stream_info.samples_transferred =
1241                 status->samples_processed;
1242         phr->u.d.u.stream_info.buffer_size = status->size_in_bytes;
1243         phr->u.d.u.stream_info.data_available =
1244                 instream_get_bytes_available(status);
1245         phr->u.d.u.stream_info.auxiliary_data_available =
1246                 status->auxiliary_data_available;
1247 }
1248
1249 /*****************************************************************************/
1250 /* LOW-LEVEL */
1251 #define HPI6205_MAX_FILES_TO_LOAD 2
1252
1253 static u16 adapter_boot_load_dsp(struct hpi_adapter_obj *pao,
1254         u32 *pos_error_code)
1255 {
1256         struct hpi_hw_obj *phw = pao->priv;
1257         struct dsp_code dsp_code;
1258         u16 boot_code_id[HPI6205_MAX_FILES_TO_LOAD];
1259         u32 temp;
1260         int dsp = 0, i = 0;
1261         u16 err = 0;
1262
1263         boot_code_id[0] = HPI_ADAPTER_ASI(0x6205);
1264
1265         boot_code_id[1] = pao->pci.pci_dev->subsystem_device;
1266         boot_code_id[1] = HPI_ADAPTER_FAMILY_ASI(boot_code_id[1]);
1267
1268         /* fix up cases where bootcode id[1] != subsys id */
1269         switch (boot_code_id[1]) {
1270         case HPI_ADAPTER_FAMILY_ASI(0x5000):
1271                 boot_code_id[0] = boot_code_id[1];
1272                 boot_code_id[1] = 0;
1273                 break;
1274         case HPI_ADAPTER_FAMILY_ASI(0x5300):
1275         case HPI_ADAPTER_FAMILY_ASI(0x5400):
1276         case HPI_ADAPTER_FAMILY_ASI(0x6300):
1277                 boot_code_id[1] = HPI_ADAPTER_FAMILY_ASI(0x6400);
1278                 break;
1279         case HPI_ADAPTER_FAMILY_ASI(0x5500):
1280         case HPI_ADAPTER_FAMILY_ASI(0x5600):
1281         case HPI_ADAPTER_FAMILY_ASI(0x6500):
1282                 boot_code_id[1] = HPI_ADAPTER_FAMILY_ASI(0x6600);
1283                 break;
1284         case HPI_ADAPTER_FAMILY_ASI(0x8800):
1285                 boot_code_id[1] = HPI_ADAPTER_FAMILY_ASI(0x8900);
1286                 break;
1287         default:
1288                 break;
1289         }
1290
1291         /* reset DSP by writing a 1 to the WARMRESET bit */
1292         temp = C6205_HDCR_WARMRESET;
1293         iowrite32(temp, phw->prHDCR);
1294         hpios_delay_micro_seconds(1000);
1295
1296         /* check that PCI i/f was configured by EEPROM */
1297         temp = ioread32(phw->prHSR);
1298         if ((temp & (C6205_HSR_CFGERR | C6205_HSR_EEREAD)) !=
1299                 C6205_HSR_EEREAD)
1300                 return HPI6205_ERROR_6205_EEPROM;
1301         temp |= 0x04;
1302         /* disable PINTA interrupt */
1303         iowrite32(temp, phw->prHSR);
1304
1305         /* check control register reports PCI boot mode */
1306         temp = ioread32(phw->prHDCR);
1307         if (!(temp & C6205_HDCR_PCIBOOT))
1308                 return HPI6205_ERROR_6205_REG;
1309
1310         /* try writing a few numbers to the DSP page register */
1311         /* and reading them back. */
1312         temp = 3;
1313         iowrite32(temp, phw->prDSPP);
1314         if ((temp | C6205_DSPP_MAP1) != ioread32(phw->prDSPP))
1315                 return HPI6205_ERROR_6205_DSPPAGE;
1316         temp = 2;
1317         iowrite32(temp, phw->prDSPP);
1318         if ((temp | C6205_DSPP_MAP1) != ioread32(phw->prDSPP))
1319                 return HPI6205_ERROR_6205_DSPPAGE;
1320         temp = 1;
1321         iowrite32(temp, phw->prDSPP);
1322         if ((temp | C6205_DSPP_MAP1) != ioread32(phw->prDSPP))
1323                 return HPI6205_ERROR_6205_DSPPAGE;
1324         /* reset DSP page to the correct number */
1325         temp = 0;
1326         iowrite32(temp, phw->prDSPP);
1327         if ((temp | C6205_DSPP_MAP1) != ioread32(phw->prDSPP))
1328                 return HPI6205_ERROR_6205_DSPPAGE;
1329         phw->dsp_page = 0;
1330
1331         /* release 6713 from reset before 6205 is bootloaded.
1332            This ensures that the EMIF is inactive,
1333            and the 6713 HPI gets the correct bootmode etc
1334          */
1335         if (boot_code_id[1] != 0) {
1336                 /* DSP 1 is a C6713 */
1337                 /* CLKX0 <- '1' release the C6205 bootmode pulldowns */
1338                 boot_loader_write_mem32(pao, 0, (0x018C0024L), 0x00002202);
1339                 hpios_delay_micro_seconds(100);
1340                 /* Reset the 6713 #1 - revB */
1341                 boot_loader_write_mem32(pao, 0, C6205_BAR0_TIMER1_CTL, 0);
1342
1343                 /* dummy read every 4 words for 6205 advisory 1.4.4 */
1344                 boot_loader_read_mem32(pao, 0, 0);
1345
1346                 hpios_delay_micro_seconds(100);
1347                 /* Release C6713 from reset - revB */
1348                 boot_loader_write_mem32(pao, 0, C6205_BAR0_TIMER1_CTL, 4);
1349                 hpios_delay_micro_seconds(100);
1350         }
1351
1352         for (dsp = 0; dsp < HPI6205_MAX_FILES_TO_LOAD; dsp++) {
1353                 /* is there a DSP to load? */
1354                 if (boot_code_id[dsp] == 0)
1355                         continue;
1356
1357                 err = boot_loader_config_emif(pao, dsp);
1358                 if (err)
1359                         return err;
1360
1361                 err = boot_loader_test_internal_memory(pao, dsp);
1362                 if (err)
1363                         return err;
1364
1365                 err = boot_loader_test_external_memory(pao, dsp);
1366                 if (err)
1367                         return err;
1368
1369                 err = boot_loader_test_pld(pao, dsp);
1370                 if (err)
1371                         return err;
1372
1373                 /* write the DSP code down into the DSPs memory */
1374                 dsp_code.ps_dev = pao->pci.pci_dev;
1375                 err = hpi_dsp_code_open(boot_code_id[dsp], &dsp_code,
1376                         pos_error_code);
1377                 if (err)
1378                         return err;
1379
1380                 while (1) {
1381                         u32 length;
1382                         u32 address;
1383                         u32 type;
1384                         u32 *pcode;
1385
1386                         err = hpi_dsp_code_read_word(&dsp_code, &length);
1387                         if (err)
1388                                 break;
1389                         if (length == 0xFFFFFFFF)
1390                                 break;  /* end of code */
1391
1392                         err = hpi_dsp_code_read_word(&dsp_code, &address);
1393                         if (err)
1394                                 break;
1395                         err = hpi_dsp_code_read_word(&dsp_code, &type);
1396                         if (err)
1397                                 break;
1398                         err = hpi_dsp_code_read_block(length, &dsp_code,
1399                                 &pcode);
1400                         if (err)
1401                                 break;
1402                         for (i = 0; i < (int)length; i++) {
1403                                 boot_loader_write_mem32(pao, dsp, address,
1404                                         *pcode);
1405                                 /* dummy read every 4 words */
1406                                 /* for 6205 advisory 1.4.4 */
1407                                 if (i % 4 == 0)
1408                                         boot_loader_read_mem32(pao, dsp,
1409                                                 address);
1410                                 pcode++;
1411                                 address += 4;
1412                         }
1413
1414                 }
1415                 if (err) {
1416                         hpi_dsp_code_close(&dsp_code);
1417                         return err;
1418                 }
1419
1420                 /* verify code */
1421                 hpi_dsp_code_rewind(&dsp_code);
1422                 while (1) {
1423                         u32 length = 0;
1424                         u32 address = 0;
1425                         u32 type = 0;
1426                         u32 *pcode = NULL;
1427                         u32 data = 0;
1428
1429                         hpi_dsp_code_read_word(&dsp_code, &length);
1430                         if (length == 0xFFFFFFFF)
1431                                 break;  /* end of code */
1432
1433                         hpi_dsp_code_read_word(&dsp_code, &address);
1434                         hpi_dsp_code_read_word(&dsp_code, &type);
1435                         hpi_dsp_code_read_block(length, &dsp_code, &pcode);
1436
1437                         for (i = 0; i < (int)length; i++) {
1438                                 data = boot_loader_read_mem32(pao, dsp,
1439                                         address);
1440                                 if (data != *pcode) {
1441                                         err = 0;
1442                                         break;
1443                                 }
1444                                 pcode++;
1445                                 address += 4;
1446                         }
1447                         if (err)
1448                                 break;
1449                 }
1450                 hpi_dsp_code_close(&dsp_code);
1451                 if (err)
1452                         return err;
1453         }
1454
1455         /* After bootloading all DSPs, start DSP0 running
1456          * The DSP0 code will handle starting and synchronizing with its slaves
1457          */
1458         if (phw->p_interface_buffer) {
1459                 /* we need to tell the card the physical PCI address */
1460                 u32 physicalPC_iaddress;
1461                 struct bus_master_interface *interface =
1462                         phw->p_interface_buffer;
1463                 u32 host_mailbox_address_on_dsp;
1464                 u32 physicalPC_iaddress_verify = 0;
1465                 int time_out = 10;
1466                 /* set ack so we know when DSP is ready to go */
1467                 /* (dwDspAck will be changed to HIF_RESET) */
1468                 interface->dsp_ack = H620_HIF_UNKNOWN;
1469                 wmb();  /* ensure ack is written before dsp writes back */
1470
1471                 err = hpios_locked_mem_get_phys_addr(&phw->h_locked_mem,
1472                         &physicalPC_iaddress);
1473
1474                 /* locate the host mailbox on the DSP. */
1475                 host_mailbox_address_on_dsp = 0x80000000;
1476                 while ((physicalPC_iaddress != physicalPC_iaddress_verify)
1477                         && time_out--) {
1478                         boot_loader_write_mem32(pao, 0,
1479                                 host_mailbox_address_on_dsp,
1480                                 physicalPC_iaddress);
1481                         physicalPC_iaddress_verify =
1482                                 boot_loader_read_mem32(pao, 0,
1483                                 host_mailbox_address_on_dsp);
1484                 }
1485         }
1486         HPI_DEBUG_LOG(DEBUG, "starting DS_ps running\n");
1487         /* enable interrupts */
1488         temp = ioread32(phw->prHSR);
1489         temp &= ~(u32)C6205_HSR_INTAM;
1490         iowrite32(temp, phw->prHSR);
1491
1492         /* start code running... */
1493         temp = ioread32(phw->prHDCR);
1494         temp |= (u32)C6205_HDCR_DSPINT;
1495         iowrite32(temp, phw->prHDCR);
1496
1497         /* give the DSP 10ms to start up */
1498         hpios_delay_micro_seconds(10000);
1499         return err;
1500
1501 }
1502
1503 /*****************************************************************************/
1504 /* Bootloader utility functions */
1505
1506 static u32 boot_loader_read_mem32(struct hpi_adapter_obj *pao, int dsp_index,
1507         u32 address)
1508 {
1509         struct hpi_hw_obj *phw = pao->priv;
1510         u32 data = 0;
1511         __iomem u32 *p_data;
1512
1513         if (dsp_index == 0) {
1514                 /* DSP 0 is always C6205 */
1515                 if ((address >= 0x01800000) & (address < 0x02000000)) {
1516                         /* BAR1 register access */
1517                         p_data = pao->pci.ap_mem_base[1] +
1518                                 (address & 0x007fffff) /
1519                                 sizeof(*pao->pci.ap_mem_base[1]);
1520                         /* HPI_DEBUG_LOG(WARNING,
1521                            "BAR1 access %08x\n", dwAddress); */
1522                 } else {
1523                         u32 dw4M_page = address >> 22L;
1524                         if (dw4M_page != phw->dsp_page) {
1525                                 phw->dsp_page = dw4M_page;
1526                                 /* *INDENT OFF* */
1527                                 iowrite32(phw->dsp_page, phw->prDSPP);
1528                                 /* *INDENT-ON* */
1529                         }
1530                         address &= 0x3fffff;    /* address within 4M page */
1531                         /* BAR0 memory access */
1532                         p_data = pao->pci.ap_mem_base[0] +
1533                                 address / sizeof(u32);
1534                 }
1535                 data = ioread32(p_data);
1536         } else if (dsp_index == 1) {
1537                 /* DSP 1 is a C6713 */
1538                 u32 lsb;
1539                 boot_loader_write_mem32(pao, 0, HPIAL_ADDR, address);
1540                 boot_loader_write_mem32(pao, 0, HPIAH_ADDR, address >> 16);
1541                 lsb = boot_loader_read_mem32(pao, 0, HPIDL_ADDR);
1542                 data = boot_loader_read_mem32(pao, 0, HPIDH_ADDR);
1543                 data = (data << 16) | (lsb & 0xFFFF);
1544         }
1545         return data;
1546 }
1547
1548 static void boot_loader_write_mem32(struct hpi_adapter_obj *pao,
1549         int dsp_index, u32 address, u32 data)
1550 {
1551         struct hpi_hw_obj *phw = pao->priv;
1552         __iomem u32 *p_data;
1553         /*      u32 dwVerifyData=0; */
1554
1555         if (dsp_index == 0) {
1556                 /* DSP 0 is always C6205 */
1557                 if ((address >= 0x01800000) & (address < 0x02000000)) {
1558                         /* BAR1 - DSP  register access using */
1559                         /* Non-prefetchable PCI access */
1560                         p_data = pao->pci.ap_mem_base[1] +
1561                                 (address & 0x007fffff) /
1562                                 sizeof(*pao->pci.ap_mem_base[1]);
1563                 } else {
1564                         /* BAR0 access - all of DSP memory using */
1565                         /* pre-fetchable PCI access */
1566                         u32 dw4M_page = address >> 22L;
1567                         if (dw4M_page != phw->dsp_page) {
1568                                 phw->dsp_page = dw4M_page;
1569                                 /* *INDENT-OFF* */
1570                                 iowrite32(phw->dsp_page, phw->prDSPP);
1571                                 /* *INDENT-ON* */
1572                         }
1573                         address &= 0x3fffff;    /* address within 4M page */
1574                         p_data = pao->pci.ap_mem_base[0] +
1575                                 address / sizeof(u32);
1576                 }
1577                 iowrite32(data, p_data);
1578         } else if (dsp_index == 1) {
1579                 /* DSP 1 is a C6713 */
1580                 boot_loader_write_mem32(pao, 0, HPIAL_ADDR, address);
1581                 boot_loader_write_mem32(pao, 0, HPIAH_ADDR, address >> 16);
1582
1583                 /* dummy read every 4 words for 6205 advisory 1.4.4 */
1584                 boot_loader_read_mem32(pao, 0, 0);
1585
1586                 boot_loader_write_mem32(pao, 0, HPIDL_ADDR, data);
1587                 boot_loader_write_mem32(pao, 0, HPIDH_ADDR, data >> 16);
1588
1589                 /* dummy read every 4 words for 6205 advisory 1.4.4 */
1590                 boot_loader_read_mem32(pao, 0, 0);
1591         }
1592 }
1593
1594 static u16 boot_loader_config_emif(struct hpi_adapter_obj *pao, int dsp_index)
1595 {
1596         if (dsp_index == 0) {
1597                 u32 setting;
1598
1599                 /* DSP 0 is always C6205 */
1600
1601                 /* Set the EMIF */
1602                 /* memory map of C6205 */
1603                 /* 00000000-0000FFFF    16Kx32 internal program */
1604                 /* 00400000-00BFFFFF    CE0     2Mx32 SDRAM running @ 100MHz */
1605
1606                 /* EMIF config */
1607                 /*------------ */
1608                 /* Global EMIF control */
1609                 boot_loader_write_mem32(pao, dsp_index, 0x01800000, 0x3779);
1610 #define WS_OFS 28
1611 #define WST_OFS 22
1612 #define WH_OFS 20
1613 #define RS_OFS 16
1614 #define RST_OFS 8
1615 #define MTYPE_OFS 4
1616 #define RH_OFS 0
1617
1618                 /* EMIF CE0 setup - 2Mx32 Sync DRAM on ASI5000 cards only */
1619                 setting = 0x00000030;
1620                 boot_loader_write_mem32(pao, dsp_index, 0x01800008, setting);
1621                 if (setting != boot_loader_read_mem32(pao, dsp_index,
1622                                 0x01800008))
1623                         return HPI6205_ERROR_DSP_EMIF;
1624
1625                 /* EMIF CE1 setup - 32 bit async. This is 6713 #1 HPI, */
1626                 /* which occupies D15..0. 6713 starts at 27MHz, so need */
1627                 /* plenty of wait states. See dsn8701.rtf, and 6713 errata. */
1628                 /* WST should be 71, but 63  is max possible */
1629                 setting =
1630                         (1L << WS_OFS) | (63L << WST_OFS) | (1L << WH_OFS) |
1631                         (1L << RS_OFS) | (63L << RST_OFS) | (1L << RH_OFS) |
1632                         (2L << MTYPE_OFS);
1633                 boot_loader_write_mem32(pao, dsp_index, 0x01800004, setting);
1634                 if (setting != boot_loader_read_mem32(pao, dsp_index,
1635                                 0x01800004))
1636                         return HPI6205_ERROR_DSP_EMIF;
1637
1638                 /* EMIF CE2 setup - 32 bit async. This is 6713 #2 HPI, */
1639                 /* which occupies D15..0. 6713 starts at 27MHz, so need */
1640                 /* plenty of wait states */
1641                 setting =
1642                         (1L << WS_OFS) | (28L << WST_OFS) | (1L << WH_OFS) |
1643                         (1L << RS_OFS) | (63L << RST_OFS) | (1L << RH_OFS) |
1644                         (2L << MTYPE_OFS);
1645                 boot_loader_write_mem32(pao, dsp_index, 0x01800010, setting);
1646                 if (setting != boot_loader_read_mem32(pao, dsp_index,
1647                                 0x01800010))
1648                         return HPI6205_ERROR_DSP_EMIF;
1649
1650                 /* EMIF CE3 setup - 32 bit async. */
1651                 /* This is the PLD on the ASI5000 cards only */
1652                 setting =
1653                         (1L << WS_OFS) | (10L << WST_OFS) | (1L << WH_OFS) |
1654                         (1L << RS_OFS) | (10L << RST_OFS) | (1L << RH_OFS) |
1655                         (2L << MTYPE_OFS);
1656                 boot_loader_write_mem32(pao, dsp_index, 0x01800014, setting);
1657                 if (setting != boot_loader_read_mem32(pao, dsp_index,
1658                                 0x01800014))
1659                         return HPI6205_ERROR_DSP_EMIF;
1660
1661                 /* set EMIF SDRAM control for 2Mx32 SDRAM (512x32x4 bank) */
1662                 /*  need to use this else DSP code crashes? */
1663                 boot_loader_write_mem32(pao, dsp_index, 0x01800018,
1664                         0x07117000);
1665
1666                 /* EMIF SDRAM Refresh Timing */
1667                 /* EMIF SDRAM timing  (orig = 0x410, emulator = 0x61a) */
1668                 boot_loader_write_mem32(pao, dsp_index, 0x0180001C,
1669                         0x00000410);
1670
1671         } else if (dsp_index == 1) {
1672                 /* test access to the C6713s HPI registers */
1673                 u32 write_data = 0, read_data = 0, i = 0;
1674
1675                 /* Set up HPIC for little endian, by setiing HPIC:HWOB=1 */
1676                 write_data = 1;
1677                 boot_loader_write_mem32(pao, 0, HPICL_ADDR, write_data);
1678                 boot_loader_write_mem32(pao, 0, HPICH_ADDR, write_data);
1679                 /* C67 HPI is on lower 16bits of 32bit EMIF */
1680                 read_data =
1681                         0xFFF7 & boot_loader_read_mem32(pao, 0, HPICL_ADDR);
1682                 if (write_data != read_data) {
1683                         HPI_DEBUG_LOG(ERROR, "HPICL %x %x\n", write_data,
1684                                 read_data);
1685                         return HPI6205_ERROR_C6713_HPIC;
1686                 }
1687                 /* HPIA - walking ones test */
1688                 write_data = 1;
1689                 for (i = 0; i < 32; i++) {
1690                         boot_loader_write_mem32(pao, 0, HPIAL_ADDR,
1691                                 write_data);
1692                         boot_loader_write_mem32(pao, 0, HPIAH_ADDR,
1693                                 (write_data >> 16));
1694                         read_data =
1695                                 0xFFFF & boot_loader_read_mem32(pao, 0,
1696                                 HPIAL_ADDR);
1697                         read_data =
1698                                 read_data | ((0xFFFF &
1699                                         boot_loader_read_mem32(pao, 0,
1700                                                 HPIAH_ADDR))
1701                                 << 16);
1702                         if (read_data != write_data) {
1703                                 HPI_DEBUG_LOG(ERROR, "HPIA %x %x\n",
1704                                         write_data, read_data);
1705                                 return HPI6205_ERROR_C6713_HPIA;
1706                         }
1707                         write_data = write_data << 1;
1708                 }
1709
1710                 /* setup C67x PLL
1711                  *  ** C6713 datasheet says we cannot program PLL from HPI,
1712                  * and indeed if we try to set the PLL multiply from the HPI,
1713                  * the PLL does not seem to lock, so we enable the PLL and
1714                  * use the default multiply of x 7, which for a 27MHz clock
1715                  * gives a DSP speed of 189MHz
1716                  */
1717                 /* bypass PLL */
1718                 boot_loader_write_mem32(pao, dsp_index, 0x01B7C100, 0x0000);
1719                 hpios_delay_micro_seconds(1000);
1720                 /* EMIF = 189/3=63MHz */
1721                 boot_loader_write_mem32(pao, dsp_index, 0x01B7C120, 0x8002);
1722                 /* peri = 189/2 */
1723                 boot_loader_write_mem32(pao, dsp_index, 0x01B7C11C, 0x8001);
1724                 /* cpu  = 189/1 */
1725                 boot_loader_write_mem32(pao, dsp_index, 0x01B7C118, 0x8000);
1726                 hpios_delay_micro_seconds(1000);
1727                 /* ** SGT test to take GPO3 high when we start the PLL */
1728                 /* and low when the delay is completed */
1729                 /* FSX0 <- '1' (GPO3) */
1730                 boot_loader_write_mem32(pao, 0, (0x018C0024L), 0x00002A0A);
1731                 /* PLL not bypassed */
1732                 boot_loader_write_mem32(pao, dsp_index, 0x01B7C100, 0x0001);
1733                 hpios_delay_micro_seconds(1000);
1734                 /* FSX0 <- '0' (GPO3) */
1735                 boot_loader_write_mem32(pao, 0, (0x018C0024L), 0x00002A02);
1736
1737                 /* 6205 EMIF CE1 resetup - 32 bit async. */
1738                 /* Now 6713 #1 is running at 189MHz can reduce waitstates */
1739                 boot_loader_write_mem32(pao, 0, 0x01800004,     /* CE1 */
1740                         (1L << WS_OFS) | (8L << WST_OFS) | (1L << WH_OFS) |
1741                         (1L << RS_OFS) | (12L << RST_OFS) | (1L << RH_OFS) |
1742                         (2L << MTYPE_OFS));
1743
1744                 hpios_delay_micro_seconds(1000);
1745
1746                 /* check that we can read one of the PLL registers */
1747                 /* PLL should not be bypassed! */
1748                 if ((boot_loader_read_mem32(pao, dsp_index, 0x01B7C100) & 0xF)
1749                         != 0x0001) {
1750                         return HPI6205_ERROR_C6713_PLL;
1751                 }
1752                 /* setup C67x EMIF  (note this is the only use of
1753                    BAR1 via BootLoader_WriteMem32) */
1754                 boot_loader_write_mem32(pao, dsp_index, C6713_EMIF_GCTL,
1755                         0x000034A8);
1756
1757                 /* EMIF CE0 setup - 2Mx32 Sync DRAM
1758                    31..28       Wr setup
1759                    27..22       Wr strobe
1760                    21..20       Wr hold
1761                    19..16       Rd setup
1762                    15..14       -
1763                    13..8        Rd strobe
1764                    7..4         MTYPE   0011            Sync DRAM 32bits
1765                    3            Wr hold MSB
1766                    2..0         Rd hold
1767                  */
1768                 boot_loader_write_mem32(pao, dsp_index, C6713_EMIF_CE0,
1769                         0x00000030);
1770
1771                 /* EMIF SDRAM Extension
1772                    0x00
1773                    31-21        0000b 0000b 000b
1774                    20           WR2RD = 2cycles-1  = 1b
1775
1776                    19-18        WR2DEAC = 3cycle-1 = 10b
1777                    17           WR2WR = 2cycle-1   = 1b
1778                    16-15        R2WDQM = 4cycle-1  = 11b
1779                    14-12        RD2WR = 6cycles-1  = 101b
1780
1781                    11-10        RD2DEAC = 4cycle-1 = 11b
1782                    9            RD2RD = 2cycle-1   = 1b
1783                    8-7          THZP = 3cycle-1    = 10b
1784                    6-5          TWR  = 2cycle-1    = 01b (tWR = 17ns)
1785                    4            TRRD = 2cycle      = 0b  (tRRD = 14ns)
1786                    3-1          TRAS = 5cycle-1    = 100b (Tras=42ns)
1787                    1            CAS latency = 3cyc = 1b
1788                    (for Micron 2M32-7 operating at 100MHz)
1789                  */
1790                 boot_loader_write_mem32(pao, dsp_index, C6713_EMIF_SDRAMEXT,
1791                         0x001BDF29);
1792
1793                 /* EMIF SDRAM control - set up for a 2Mx32 SDRAM (512x32x4 bank)
1794                    31           -       0b       -
1795                    30           SDBSZ   1b              4 bank
1796                    29..28       SDRSZ   00b             11 row address pins
1797
1798                    27..26       SDCSZ   01b             8 column address pins
1799                    25           RFEN    1b              refersh enabled
1800                    24           INIT    1b              init SDRAM!
1801
1802                    23..20       TRCD    0001b                   (Trcd/Tcyc)-1 = (20/10)-1 = 1
1803
1804                    19..16       TRP     0001b                   (Trp/Tcyc)-1 = (20/10)-1 = 1
1805
1806                    15..12       TRC     0110b                   (Trc/Tcyc)-1 = (70/10)-1 = 6
1807
1808                    11..0        -       0000b 0000b 0000b
1809                  */
1810                 boot_loader_write_mem32(pao, dsp_index, C6713_EMIF_SDRAMCTL,
1811                         0x47116000);
1812
1813                 /* SDRAM refresh timing
1814                    Need 4,096 refresh cycles every 64ms = 15.625us = 1562cycles of 100MHz = 0x61A
1815                  */
1816                 boot_loader_write_mem32(pao, dsp_index,
1817                         C6713_EMIF_SDRAMTIMING, 0x00000410);
1818
1819                 hpios_delay_micro_seconds(1000);
1820         } else if (dsp_index == 2) {
1821                 /* DSP 2 is a C6713 */
1822         }
1823
1824         return 0;
1825 }
1826
1827 static u16 boot_loader_test_memory(struct hpi_adapter_obj *pao, int dsp_index,
1828         u32 start_address, u32 length)
1829 {
1830         u32 i = 0, j = 0;
1831         u32 test_addr = 0;
1832         u32 test_data = 0, data = 0;
1833
1834         length = 1000;
1835
1836         /* for 1st word, test each bit in the 32bit word, */
1837         /* dwLength specifies number of 32bit words to test */
1838         /*for(i=0; i<dwLength; i++) */
1839         i = 0;
1840         {
1841                 test_addr = start_address + i * 4;
1842                 test_data = 0x00000001;
1843                 for (j = 0; j < 32; j++) {
1844                         boot_loader_write_mem32(pao, dsp_index, test_addr,
1845                                 test_data);
1846                         data = boot_loader_read_mem32(pao, dsp_index,
1847                                 test_addr);
1848                         if (data != test_data) {
1849                                 HPI_DEBUG_LOG(VERBOSE,
1850                                         "Memtest error details  "
1851                                         "%08x %08x %08x %i\n", test_addr,
1852                                         test_data, data, dsp_index);
1853                                 return 1;       /* error */
1854                         }
1855                         test_data = test_data << 1;
1856                 }       /* for(j) */
1857         }       /* for(i) */
1858
1859         /* for the next 100 locations test each location, leaving it as zero */
1860         /* write a zero to the next word in memory before we read */
1861         /* the previous write to make sure every memory location is unique */
1862         for (i = 0; i < 100; i++) {
1863                 test_addr = start_address + i * 4;
1864                 test_data = 0xA5A55A5A;
1865                 boot_loader_write_mem32(pao, dsp_index, test_addr, test_data);
1866                 boot_loader_write_mem32(pao, dsp_index, test_addr + 4, 0);
1867                 data = boot_loader_read_mem32(pao, dsp_index, test_addr);
1868                 if (data != test_data) {
1869                         HPI_DEBUG_LOG(VERBOSE,
1870                                 "Memtest error details  "
1871                                 "%08x %08x %08x %i\n", test_addr, test_data,
1872                                 data, dsp_index);
1873                         return 1;       /* error */
1874                 }
1875                 /* leave location as zero */
1876                 boot_loader_write_mem32(pao, dsp_index, test_addr, 0x0);
1877         }
1878
1879         /* zero out entire memory block */
1880         for (i = 0; i < length; i++) {
1881                 test_addr = start_address + i * 4;
1882                 boot_loader_write_mem32(pao, dsp_index, test_addr, 0x0);
1883         }
1884         return 0;
1885 }
1886
1887 static u16 boot_loader_test_internal_memory(struct hpi_adapter_obj *pao,
1888         int dsp_index)
1889 {
1890         int err = 0;
1891         if (dsp_index == 0) {
1892                 /* DSP 0 is a C6205 */
1893                 /* 64K prog mem */
1894                 err = boot_loader_test_memory(pao, dsp_index, 0x00000000,
1895                         0x10000);
1896                 if (!err)
1897                         /* 64K data mem */
1898                         err = boot_loader_test_memory(pao, dsp_index,
1899                                 0x80000000, 0x10000);
1900         } else if (dsp_index == 1) {
1901                 /* DSP 1 is a C6713 */
1902                 /* 192K internal mem */
1903                 err = boot_loader_test_memory(pao, dsp_index, 0x00000000,
1904                         0x30000);
1905                 if (!err)
1906                         /* 64K internal mem / L2 cache */
1907                         err = boot_loader_test_memory(pao, dsp_index,
1908                                 0x00030000, 0x10000);
1909         }
1910
1911         if (err)
1912                 return HPI6205_ERROR_DSP_INTMEM;
1913         else
1914                 return 0;
1915 }
1916
1917 static u16 boot_loader_test_external_memory(struct hpi_adapter_obj *pao,
1918         int dsp_index)
1919 {
1920         u32 dRAM_start_address = 0;
1921         u32 dRAM_size = 0;
1922
1923         if (dsp_index == 0) {
1924                 /* only test for SDRAM if an ASI5000 card */
1925                 if (pao->pci.pci_dev->subsystem_device == 0x5000) {
1926                         /* DSP 0 is always C6205 */
1927                         dRAM_start_address = 0x00400000;
1928                         dRAM_size = 0x200000;
1929                         /*dwDRAMinc=1024; */
1930                 } else
1931                         return 0;
1932         } else if (dsp_index == 1) {
1933                 /* DSP 1 is a C6713 */
1934                 dRAM_start_address = 0x80000000;
1935                 dRAM_size = 0x200000;
1936                 /*dwDRAMinc=1024; */
1937         }
1938
1939         if (boot_loader_test_memory(pao, dsp_index, dRAM_start_address,
1940                         dRAM_size))
1941                 return HPI6205_ERROR_DSP_EXTMEM;
1942         return 0;
1943 }
1944
1945 static u16 boot_loader_test_pld(struct hpi_adapter_obj *pao, int dsp_index)
1946 {
1947         u32 data = 0;
1948         if (dsp_index == 0) {
1949                 /* only test for DSP0 PLD on ASI5000 card */
1950                 if (pao->pci.pci_dev->subsystem_device == 0x5000) {
1951                         /* PLD is located at CE3=0x03000000 */
1952                         data = boot_loader_read_mem32(pao, dsp_index,
1953                                 0x03000008);
1954                         if ((data & 0xF) != 0x5)
1955                                 return HPI6205_ERROR_DSP_PLD;
1956                         data = boot_loader_read_mem32(pao, dsp_index,
1957                                 0x0300000C);
1958                         if ((data & 0xF) != 0xA)
1959                                 return HPI6205_ERROR_DSP_PLD;
1960                 }
1961         } else if (dsp_index == 1) {
1962                 /* DSP 1 is a C6713 */
1963                 if (pao->pci.pci_dev->subsystem_device == 0x8700) {
1964                         /* PLD is located at CE1=0x90000000 */
1965                         data = boot_loader_read_mem32(pao, dsp_index,
1966                                 0x90000010);
1967                         if ((data & 0xFF) != 0xAA)
1968                                 return HPI6205_ERROR_DSP_PLD;
1969                         /* 8713 - LED on */
1970                         boot_loader_write_mem32(pao, dsp_index, 0x90000000,
1971                                 0x02);
1972                 }
1973         }
1974         return 0;
1975 }
1976
1977 /** Transfer data to or from DSP
1978  nOperation = H620_H620_HIF_SEND_DATA or H620_HIF_GET_DATA
1979 */
1980 static short hpi6205_transfer_data(struct hpi_adapter_obj *pao, u8 *p_data,
1981         u32 data_size, int operation)
1982 {
1983         struct hpi_hw_obj *phw = pao->priv;
1984         u32 data_transferred = 0;
1985         u16 err = 0;
1986         u32 temp2;
1987         struct bus_master_interface *interface = phw->p_interface_buffer;
1988
1989         if (!p_data)
1990                 return HPI_ERROR_INVALID_DATA_POINTER;
1991
1992         data_size &= ~3L;       /* round data_size down to nearest 4 bytes */
1993
1994         /* make sure state is IDLE */
1995         if (!wait_dsp_ack(phw, H620_HIF_IDLE, HPI6205_TIMEOUT))
1996                 return HPI_ERROR_DSP_HARDWARE;
1997
1998         while (data_transferred < data_size) {
1999                 u32 this_copy = data_size - data_transferred;
2000
2001                 if (this_copy > HPI6205_SIZEOF_DATA)
2002                         this_copy = HPI6205_SIZEOF_DATA;
2003
2004                 if (operation == H620_HIF_SEND_DATA)
2005                         memcpy((void *)&interface->u.b_data[0],
2006                                 &p_data[data_transferred], this_copy);
2007
2008                 interface->transfer_size_in_bytes = this_copy;
2009
2010                 /* DSP must change this back to nOperation */
2011                 interface->dsp_ack = H620_HIF_IDLE;
2012                 send_dsp_command(phw, operation);
2013
2014                 temp2 = wait_dsp_ack(phw, operation, HPI6205_TIMEOUT);
2015                 HPI_DEBUG_LOG(DEBUG, "spun %d times for data xfer of %d\n",
2016                         HPI6205_TIMEOUT - temp2, this_copy);
2017
2018                 if (!temp2) {
2019                         /* timed out */
2020                         HPI_DEBUG_LOG(ERROR,
2021                                 "Timed out waiting for " "state %d got %d\n",
2022                                 operation, interface->dsp_ack);
2023
2024                         break;
2025                 }
2026                 if (operation == H620_HIF_GET_DATA)
2027                         memcpy(&p_data[data_transferred],
2028                                 (void *)&interface->u.b_data[0], this_copy);
2029
2030                 data_transferred += this_copy;
2031         }
2032         if (interface->dsp_ack != operation)
2033                 HPI_DEBUG_LOG(DEBUG, "interface->dsp_ack=%d, expected %d\n",
2034                         interface->dsp_ack, operation);
2035         /*                      err=HPI_ERROR_DSP_HARDWARE; */
2036
2037         send_dsp_command(phw, H620_HIF_IDLE);
2038
2039         return err;
2040 }
2041
2042 /* wait for up to timeout_us microseconds for the DSP
2043    to signal state by DMA into dwDspAck
2044 */
2045 static int wait_dsp_ack(struct hpi_hw_obj *phw, int state, int timeout_us)
2046 {
2047         struct bus_master_interface *interface = phw->p_interface_buffer;
2048         int t = timeout_us / 4;
2049
2050         rmb();  /* ensure interface->dsp_ack is up to date */
2051         while ((interface->dsp_ack != state) && --t) {
2052                 hpios_delay_micro_seconds(4);
2053                 rmb();  /* DSP changes dsp_ack by DMA */
2054         }
2055
2056         /*HPI_DEBUG_LOG(VERBOSE, "Spun %d for %d\n", timeout_us/4-t, state); */
2057         return t * 4;
2058 }
2059
2060 /* set the busmaster interface to cmd, then interrupt the DSP */
2061 static void send_dsp_command(struct hpi_hw_obj *phw, int cmd)
2062 {
2063         struct bus_master_interface *interface = phw->p_interface_buffer;
2064         u32 r;
2065
2066         interface->host_cmd = cmd;
2067         wmb();  /* DSP gets state by DMA, make sure it is written to memory */
2068         /* before we interrupt the DSP */
2069         r = ioread32(phw->prHDCR);
2070         r |= (u32)C6205_HDCR_DSPINT;
2071         iowrite32(r, phw->prHDCR);
2072         r &= ~(u32)C6205_HDCR_DSPINT;
2073         iowrite32(r, phw->prHDCR);
2074 }
2075
2076 static unsigned int message_count;
2077
2078 static u16 message_response_sequence(struct hpi_adapter_obj *pao,
2079         struct hpi_message *phm, struct hpi_response *phr)
2080 {
2081         u32 time_out, time_out2;
2082         struct hpi_hw_obj *phw = pao->priv;
2083         struct bus_master_interface *interface = phw->p_interface_buffer;
2084         u16 err = 0;
2085
2086         message_count++;
2087         if (phm->size > sizeof(interface->u)) {
2088                 phr->error = HPI_ERROR_MESSAGE_BUFFER_TOO_SMALL;
2089                 phr->specific_error = sizeof(interface->u);
2090                 phr->size = sizeof(struct hpi_response_header);
2091                 HPI_DEBUG_LOG(ERROR,
2092                         "message len %d too big for buffer %zd \n", phm->size,
2093                         sizeof(interface->u));
2094                 return 0;
2095         }
2096
2097         /* Assume buffer of type struct bus_master_interface
2098            is allocated "noncacheable" */
2099
2100         if (!wait_dsp_ack(phw, H620_HIF_IDLE, HPI6205_TIMEOUT)) {
2101                 HPI_DEBUG_LOG(DEBUG, "timeout waiting for idle\n");
2102                 return HPI6205_ERROR_MSG_RESP_IDLE_TIMEOUT;
2103         }
2104
2105         memcpy(&interface->u.message_buffer, phm, phm->size);
2106         /* signal we want a response */
2107         send_dsp_command(phw, H620_HIF_GET_RESP);
2108
2109         time_out2 = wait_dsp_ack(phw, H620_HIF_GET_RESP, HPI6205_TIMEOUT);
2110
2111         if (!time_out2) {
2112                 HPI_DEBUG_LOG(ERROR,
2113                         "(%u) Timed out waiting for " "GET_RESP state [%x]\n",
2114                         message_count, interface->dsp_ack);
2115         } else {
2116                 HPI_DEBUG_LOG(VERBOSE,
2117                         "(%u) transition to GET_RESP after %u\n",
2118                         message_count, HPI6205_TIMEOUT - time_out2);
2119         }
2120         /* spin waiting on HIF interrupt flag (end of msg process) */
2121         time_out = HPI6205_TIMEOUT;
2122
2123         /* read the result */
2124         if (time_out) {
2125                 if (interface->u.response_buffer.size <= phr->size)
2126                         memcpy(phr, &interface->u.response_buffer,
2127                                 interface->u.response_buffer.size);
2128                 else {
2129                         HPI_DEBUG_LOG(ERROR,
2130                                 "response len %d too big for buffer %d\n",
2131                                 interface->u.response_buffer.size, phr->size);
2132                         memcpy(phr, &interface->u.response_buffer,
2133                                 sizeof(struct hpi_response_header));
2134                         phr->error = HPI_ERROR_RESPONSE_BUFFER_TOO_SMALL;
2135                         phr->specific_error =
2136                                 interface->u.response_buffer.size;
2137                         phr->size = sizeof(struct hpi_response_header);
2138                 }
2139         }
2140         /* set interface back to idle */
2141         send_dsp_command(phw, H620_HIF_IDLE);
2142
2143         if (!time_out || !time_out2) {
2144                 HPI_DEBUG_LOG(DEBUG, "something timed out!\n");
2145                 return HPI6205_ERROR_MSG_RESP_TIMEOUT;
2146         }
2147         /* special case for adapter close - */
2148         /* wait for the DSP to indicate it is idle */
2149         if (phm->function == HPI_ADAPTER_CLOSE) {
2150                 if (!wait_dsp_ack(phw, H620_HIF_IDLE, HPI6205_TIMEOUT)) {
2151                         HPI_DEBUG_LOG(DEBUG,
2152                                 "Timeout waiting for idle "
2153                                 "(on adapter_close)\n");
2154                         return HPI6205_ERROR_MSG_RESP_IDLE_TIMEOUT;
2155                 }
2156         }
2157         err = hpi_validate_response(phm, phr);
2158         return err;
2159 }
2160
2161 static void hw_message(struct hpi_adapter_obj *pao, struct hpi_message *phm,
2162         struct hpi_response *phr)
2163 {
2164
2165         u16 err = 0;
2166
2167         hpios_dsplock_lock(pao);
2168
2169         err = message_response_sequence(pao, phm, phr);
2170
2171         /* maybe an error response */
2172         if (err) {
2173                 /* something failed in the HPI/DSP interface */
2174                 if (err >= HPI_ERROR_BACKEND_BASE) {
2175                         phr->error = HPI_ERROR_DSP_COMMUNICATION;
2176                         phr->specific_error = err;
2177                 } else {
2178                         phr->error = err;
2179                 }
2180
2181                 pao->dsp_crashed++;
2182
2183                 /* just the header of the response is valid */
2184                 phr->size = sizeof(struct hpi_response_header);
2185                 goto err;
2186         } else
2187                 pao->dsp_crashed = 0;
2188
2189         if (phr->error != 0)    /* something failed in the DSP */
2190                 goto err;
2191
2192         switch (phm->function) {
2193         case HPI_OSTREAM_WRITE:
2194         case HPI_ISTREAM_ANC_WRITE:
2195                 err = hpi6205_transfer_data(pao, phm->u.d.u.data.pb_data,
2196                         phm->u.d.u.data.data_size, H620_HIF_SEND_DATA);
2197                 break;
2198
2199         case HPI_ISTREAM_READ:
2200         case HPI_OSTREAM_ANC_READ:
2201                 err = hpi6205_transfer_data(pao, phm->u.d.u.data.pb_data,
2202                         phm->u.d.u.data.data_size, H620_HIF_GET_DATA);
2203                 break;
2204
2205         case HPI_CONTROL_SET_STATE:
2206                 if (phm->object == HPI_OBJ_CONTROLEX
2207                         && phm->u.cx.attribute == HPI_COBRANET_SET_DATA)
2208                         err = hpi6205_transfer_data(pao,
2209                                 phm->u.cx.u.cobranet_bigdata.pb_data,
2210                                 phm->u.cx.u.cobranet_bigdata.byte_count,
2211                                 H620_HIF_SEND_DATA);
2212                 break;
2213
2214         case HPI_CONTROL_GET_STATE:
2215                 if (phm->object == HPI_OBJ_CONTROLEX
2216                         && phm->u.cx.attribute == HPI_COBRANET_GET_DATA)
2217                         err = hpi6205_transfer_data(pao,
2218                                 phm->u.cx.u.cobranet_bigdata.pb_data,
2219                                 phr->u.cx.u.cobranet_data.byte_count,
2220                                 H620_HIF_GET_DATA);
2221                 break;
2222         }
2223         phr->error = err;
2224
2225 err:
2226         hpios_dsplock_unlock(pao);
2227
2228         return;
2229 }