sound/pci/pcxhr/pcxhr_hwdep.c

   1 /*
   2  * Driver for Digigram pcxhr compatible soundcards
   3  *
   4  * hwdep device manager
   5  *
   6  * Copyright (c) 2004 by Digigram <alsa@digigram.com>
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  */
  22
  23 #include <linux/interrupt.h>
  24 #include <linux/vmalloc.h>
  25 #include <linux/firmware.h>
  26 #include <linux/pci.h>
  27 #include <asm/io.h>
  28 #include <sound/core.h>
  29 #include <sound/hwdep.h>
  30 #include "pcxhr.h"
  31 #include "pcxhr_mixer.h"
  32 #include "pcxhr_hwdep.h"
  33 #include "pcxhr_core.h"
  34 #include "pcxhr_mix22.h"
  35
  36
  37 #if defined(CONFIG_FW_LOADER) || defined(CONFIG_FW_LOADER_MODULE)
  38 #if !defined(CONFIG_USE_PCXHRLOADER) && !defined(CONFIG_SND_PCXHR) /* built-in kernel */
  39 #define SND_PCXHR_FW_LOADER     /* use the standard firmware loader */
  40 #endif
  41 #endif
  42
  43
  44 static int pcxhr_sub_init(struct pcxhr_mgr *mgr);
  45 /*
  46  * get basic information and init pcxhr card
  47  */
  48 static int pcxhr_init_board(struct pcxhr_mgr *mgr)
  49 {
  50         int err;
  51         struct pcxhr_rmh rmh;
  52         int card_streams;
  53
  54         /* calc the number of all streams used */
  55         if (mgr->mono_capture)
  56                 card_streams = mgr->capture_chips * 2;
  57         else
  58                 card_streams = mgr->capture_chips;
  59         card_streams += mgr->playback_chips * PCXHR_PLAYBACK_STREAMS;
  60
  61         /* enable interrupts */
  62         pcxhr_enable_dsp(mgr);
  63
  64         pcxhr_init_rmh(&rmh, CMD_SUPPORTED);
  65         err = pcxhr_send_msg(mgr, &rmh);
  66         if (err)
  67                 return err;
  68         /* test 8 or 12 phys out */
  69         if ((rmh.stat[0] & MASK_FIRST_FIELD) != mgr->playback_chips * 2)
  70                 return -EINVAL;
  71         /* test 8 or 2 phys in */
  72         if (((rmh.stat[0] >> (2 * FIELD_SIZE)) & MASK_FIRST_FIELD) <
  73             mgr->capture_chips * 2)
  74                 return -EINVAL;
  75         /* test max nb substream per board */
  76         if ((rmh.stat[1] & 0x5F) < card_streams)
  77                 return -EINVAL;
  78         /* test max nb substream per pipe */
  79         if (((rmh.stat[1] >> 7) & 0x5F) < PCXHR_PLAYBACK_STREAMS)
  80                 return -EINVAL;
  81         snd_printdd("supported formats : playback=%x capture=%x\n",
  82                     rmh.stat[2], rmh.stat[3]);
  83
  84         pcxhr_init_rmh(&rmh, CMD_VERSION);
  85         /* firmware num for DSP */
  86         rmh.cmd[0] |= mgr->firmware_num;
  87         /* transfer granularity in samples (should be multiple of 48) */
  88         rmh.cmd[1] = (1<<23) + mgr->granularity;
  89         rmh.cmd_len = 2;
  90         err = pcxhr_send_msg(mgr, &rmh);
  91         if (err)
  92                 return err;
  93         snd_printdd("PCXHR DSP version is %d.%d.%d\n", (rmh.stat[0]>>16)&0xff,
  94                     (rmh.stat[0]>>8)&0xff, rmh.stat[0]&0xff);
  95         mgr->dsp_version = rmh.stat[0];
  96
  97         if (mgr->is_hr_stereo)
  98                 err = hr222_sub_init(mgr);
  99         else
 100                 err = pcxhr_sub_init(mgr);
 101         return err;
 102 }
 103
 104 static int pcxhr_sub_init(struct pcxhr_mgr *mgr)
 105 {
 106         int err;
 107         struct pcxhr_rmh rmh;
 108
 109         /* get options */
 110         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
 111         rmh.cmd[0] |= IO_NUM_REG_STATUS;
 112         rmh.cmd[1]  = REG_STATUS_OPTIONS;
 113         rmh.cmd_len = 2;
 114         err = pcxhr_send_msg(mgr, &rmh);
 115         if (err)
 116                 return err;
 117
 118         if ((rmh.stat[1] & REG_STATUS_OPT_DAUGHTER_MASK) ==
 119             REG_STATUS_OPT_ANALOG_BOARD)
 120                 mgr->board_has_analog = 1;      /* analog addon board found */
 121
 122         /* unmute inputs */
 123         err = pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
 124                                           REG_CONT_UNMUTE_INPUTS, NULL);
 125         if (err)
 126                 return err;
 127         /* unmute outputs (a write to IO_NUM_REG_MUTE_OUT mutes!) */
 128         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
 129         rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
 130         if (DSP_EXT_CMD_SET(mgr)) {
 131                 rmh.cmd[1]  = 1;        /* unmute digital plugs */
 132                 rmh.cmd_len = 2;
 133         }
 134         err = pcxhr_send_msg(mgr, &rmh);
 135         return err;
 136 }
 137
 138 void pcxhr_reset_board(struct pcxhr_mgr *mgr)
 139 {
 140         struct pcxhr_rmh rmh;
 141
 142         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
 143                 /* mute outputs */
 144             if (!mgr->is_hr_stereo) {
 145                 /* a read to IO_NUM_REG_MUTE_OUT register unmutes! */
 146                 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
 147                 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
 148                 pcxhr_send_msg(mgr, &rmh);
 149                 /* mute inputs */
 150                 pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
 151                                             0, NULL);
 152             }
 153                 /* stereo cards mute with reset of dsp */
 154         }
 155         /* reset pcxhr dsp */
 156         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_EPRM_INDEX))
 157                 pcxhr_reset_dsp(mgr);
 158         /* reset second xilinx */
 159         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_XLX_COM_INDEX)) {
 160                 pcxhr_reset_xilinx_com(mgr);
 161                 mgr->dsp_loaded = 1;
 162         }
 163         return;
 164 }
 165
 166
 167 /*
 168  *  allocate a playback/capture pipe (pcmp0/pcmc0)
 169  */
 170 static int pcxhr_dsp_allocate_pipe(struct pcxhr_mgr *mgr,
 171                                    struct pcxhr_pipe *pipe,
 172                                    int is_capture, int pin)
 173 {
 174         int stream_count, audio_count;
 175         int err;
 176         struct pcxhr_rmh rmh;
 177
 178         if (is_capture) {
 179                 stream_count = 1;
 180                 if (mgr->mono_capture)
 181                         audio_count = 1;
 182                 else
 183                         audio_count = 2;
 184         } else {
 185                 stream_count = PCXHR_PLAYBACK_STREAMS;
 186                 audio_count = 2;        /* always stereo */
 187         }
 188         snd_printdd("snd_add_ref_pipe pin(%d) pcm%c0\n",
 189                     pin, is_capture ? 'c' : 'p');
 190         pipe->is_capture = is_capture;
 191         pipe->first_audio = pin;
 192         /* define pipe (P_PCM_ONLY_MASK (0x020000) is not necessary) */
 193         pcxhr_init_rmh(&rmh, CMD_RES_PIPE);
 194         pcxhr_set_pipe_cmd_params(&rmh, is_capture, pin,
 195                                   audio_count, stream_count);
 196         rmh.cmd[1] |= 0x020000; /* add P_PCM_ONLY_MASK */
 197         if (DSP_EXT_CMD_SET(mgr)) {
 198                 /* add channel mask to command */
 199           rmh.cmd[rmh.cmd_len++] = (audio_count == 1) ? 0x01 : 0x03;
 200         }
 201         err = pcxhr_send_msg(mgr, &rmh);
 202         if (err < 0) {
 203                 snd_printk(KERN_ERR "error pipe allocation "
 204                            "(CMD_RES_PIPE) err=%x!\n", err);
 205                 return err;
 206         }
 207         pipe->status = PCXHR_PIPE_DEFINED;
 208
 209         return 0;
 210 }
 211
 212 /*
 213  *  free playback/capture pipe (pcmp0/pcmc0)
 214  */
 215 #if 0
 216 static int pcxhr_dsp_free_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe)
 217 {
 218         struct pcxhr_rmh rmh;
 219         int capture_mask = 0;
 220         int playback_mask = 0;
 221         int err = 0;
 222
 223         if (pipe->is_capture)
 224                 capture_mask  = (1 << pipe->first_audio);
 225         else
 226                 playback_mask = (1 << pipe->first_audio);
 227
 228         /* stop one pipe */
 229         err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
 230         if (err < 0)
 231                 snd_printk(KERN_ERR "error stopping pipe!\n");
 232         /* release the pipe */
 233         pcxhr_init_rmh(&rmh, CMD_FREE_PIPE);
 234         pcxhr_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->first_audio,
 235                                   0, 0);
 236         err = pcxhr_send_msg(mgr, &rmh);
 237         if (err < 0)
 238                 snd_printk(KERN_ERR "error pipe release "
 239                            "(CMD_FREE_PIPE) err(%x)\n", err);
 240         pipe->status = PCXHR_PIPE_UNDEFINED;
 241         return err;
 242 }
 243 #endif
 244
 245
 246 static int pcxhr_config_pipes(struct pcxhr_mgr *mgr)
 247 {
 248         int err, i, j;
 249         struct snd_pcxhr *chip;
 250         struct pcxhr_pipe *pipe;
 251
 252         /* allocate the pipes on the dsp */
 253         for (i = 0; i < mgr->num_cards; i++) {
 254                 chip = mgr->chip[i];
 255                 if (chip->nb_streams_play) {
 256                         pipe = &chip->playback_pipe;
 257                         err = pcxhr_dsp_allocate_pipe( mgr, pipe, 0, i*2);
 258                         if (err)
 259                                 return err;
 260                         for(j = 0; j < chip->nb_streams_play; j++)
 261                                 chip->playback_stream[j].pipe = pipe;
 262                 }
 263                 for (j = 0; j < chip->nb_streams_capt; j++) {
 264                         pipe = &chip->capture_pipe[j];
 265                         err = pcxhr_dsp_allocate_pipe(mgr, pipe, 1, i*2 + j);
 266                         if (err)
 267                                 return err;
 268                         chip->capture_stream[j].pipe = pipe;
 269                 }
 270         }
 271         return 0;
 272 }
 273
 274 static int pcxhr_start_pipes(struct pcxhr_mgr *mgr)
 275 {
 276         int i, j;
 277         struct snd_pcxhr *chip;
 278         int playback_mask = 0;
 279         int capture_mask = 0;
 280
 281         /* start all the pipes on the dsp */
 282         for (i = 0; i < mgr->num_cards; i++) {
 283                 chip = mgr->chip[i];
 284                 if (chip->nb_streams_play)
 285                         playback_mask |= 1 << chip->playback_pipe.first_audio;
 286                 for (j = 0; j < chip->nb_streams_capt; j++)
 287                         capture_mask |= 1 << chip->capture_pipe[j].first_audio;
 288         }
 289         return pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
 290 }
 291
 292
 293 static int pcxhr_dsp_load(struct pcxhr_mgr *mgr, int index,
 294                           const struct firmware *dsp)
 295 {
 296         int err, card_index;
 297
 298         snd_printdd("loading dsp [%d] size = %Zd\n", index, dsp->size);
 299
 300         switch (index) {
 301         case PCXHR_FIRMWARE_XLX_INT_INDEX:
 302                 pcxhr_reset_xilinx_com(mgr);
 303                 return pcxhr_load_xilinx_binary(mgr, dsp, 0);
 304
 305         case PCXHR_FIRMWARE_XLX_COM_INDEX:
 306                 pcxhr_reset_xilinx_com(mgr);
 307                 return pcxhr_load_xilinx_binary(mgr, dsp, 1);
 308
 309         case PCXHR_FIRMWARE_DSP_EPRM_INDEX:
 310                 pcxhr_reset_dsp(mgr);
 311                 return pcxhr_load_eeprom_binary(mgr, dsp);
 312
 313         case PCXHR_FIRMWARE_DSP_BOOT_INDEX:
 314                 return pcxhr_load_boot_binary(mgr, dsp);
 315
 316         case PCXHR_FIRMWARE_DSP_MAIN_INDEX:
 317                 err = pcxhr_load_dsp_binary(mgr, dsp);
 318                 if (err)
 319                         return err;
 320                 break;  /* continue with first init */
 321         default:
 322                 snd_printk(KERN_ERR "wrong file index\n");
 323                 return -EFAULT;
 324         } /* end of switch file index*/
 325
 326         /* first communication with embedded */
 327         err = pcxhr_init_board(mgr);
 328         if (err < 0) {
 329                 snd_printk(KERN_ERR "pcxhr could not be set up\n");
 330                 return err;
 331         }
 332         err = pcxhr_config_pipes(mgr);
 333         if (err < 0) {
 334                 snd_printk(KERN_ERR "pcxhr pipes could not be set up\n");
 335                 return err;
 336         }
 337         /* create devices and mixer in accordance with HW options*/
 338         for (card_index = 0; card_index < mgr->num_cards; card_index++) {
 339                 struct snd_pcxhr *chip = mgr->chip[card_index];
 340
 341                 if ((err = pcxhr_create_pcm(chip)) < 0)
 342                         return err;
 343
 344                 if (card_index == 0) {
 345                         if ((err = pcxhr_create_mixer(chip->mgr)) < 0)
 346                                 return err;
 347                 }
 348                 if ((err = snd_card_register(chip->card)) < 0)
 349                         return err;
 350         }
 351         err = pcxhr_start_pipes(mgr);
 352         if (err < 0) {
 353                 snd_printk(KERN_ERR "pcxhr pipes could not be started\n");
 354                 return err;
 355         }
 356         snd_printdd("pcxhr firmware downloaded and successfully set up\n");
 357
 358         return 0;
 359 }
 360
 361 /*
 362  * fw loader entry
 363  */
 364 #ifdef SND_PCXHR_FW_LOADER
 365
 366 int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
 367 {
 368         static char *fw_files[][5] = {
 369         [0] = { "xlxint.dat", "xlxc882hr.dat",
 370                 "dspe882.e56", "dspb882hr.b56", "dspd882.d56" },
 371         [1] = { "xlxint.dat", "xlxc882e.dat",
 372                 "dspe882.e56", "dspb882e.b56", "dspd882.d56" },
 373         [2] = { "xlxint.dat", "xlxc1222hr.dat",
 374                 "dspe882.e56", "dspb1222hr.b56", "dspd1222.d56" },
 375         [3] = { "xlxint.dat", "xlxc1222e.dat",
 376                 "dspe882.e56", "dspb1222e.b56", "dspd1222.d56" },
 377         [4] = { NULL, "xlxc222.dat",
 378                 "dspe924.e56", "dspb924.b56", "dspd222.d56" },
 379         [5] = { NULL, "xlxc924.dat",
 380                 "dspe924.e56", "dspb924.b56", "dspd222.d56" },
 381         };
 382         char path[32];
 383
 384         const struct firmware *fw_entry;
 385         int i, err;
 386         int fw_set = mgr->fw_file_set;
 387
 388         for (i = 0; i < 5; i++) {
 389                 if (!fw_files[fw_set][i])
 390                         continue;
 391                 sprintf(path, "pcxhr/%s", fw_files[fw_set][i]);
 392                 if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
 393                         snd_printk(KERN_ERR "pcxhr: can't load firmware %s\n",
 394                                    path);
 395                         return -ENOENT;
 396                 }
 397                 /* fake hwdep dsp record */
 398                 err = pcxhr_dsp_load(mgr, i, fw_entry);
 399                 release_firmware(fw_entry);
 400                 if (err < 0)
 401                         return err;
 402                 mgr->dsp_loaded |= 1 << i;
 403         }
 404         return 0;
 405 }
 406
 407 MODULE_FIRMWARE("pcxhr/xlxint.dat");
 408 MODULE_FIRMWARE("pcxhr/xlxc882hr.dat");
 409 MODULE_FIRMWARE("pcxhr/xlxc882e.dat");
 410 MODULE_FIRMWARE("pcxhr/dspe882.e56");
 411 MODULE_FIRMWARE("pcxhr/dspb882hr.b56");
 412 MODULE_FIRMWARE("pcxhr/dspb882e.b56");
 413 MODULE_FIRMWARE("pcxhr/dspd882.d56");
 414
 415 MODULE_FIRMWARE("pcxhr/xlxc1222hr.dat");
 416 MODULE_FIRMWARE("pcxhr/xlxc1222e.dat");
 417 MODULE_FIRMWARE("pcxhr/dspb1222hr.b56");
 418 MODULE_FIRMWARE("pcxhr/dspb1222e.b56");
 419 MODULE_FIRMWARE("pcxhr/dspd1222.d56");
 420
 421 MODULE_FIRMWARE("pcxhr/xlxc222.dat");
 422 MODULE_FIRMWARE("pcxhr/xlxc924.dat");
 423 MODULE_FIRMWARE("pcxhr/dspe924.e56");
 424 MODULE_FIRMWARE("pcxhr/dspb924.b56");
 425 MODULE_FIRMWARE("pcxhr/dspd222.d56");
 426
 427
 428 #else /* old style firmware loading */
 429
 430 /* pcxhr hwdep interface id string */
 431 #define PCXHR_HWDEP_ID       "pcxhr loader"
 432
 433
 434 static int pcxhr_hwdep_dsp_status(struct snd_hwdep *hw,
 435                                   struct snd_hwdep_dsp_status *info)
 436 {
 437         struct pcxhr_mgr *mgr = hw->private_data;
 438         sprintf(info->id, "pcxhr%d", mgr->fw_file_set);
 439         info->num_dsps = PCXHR_FIRMWARE_FILES_MAX_INDEX;
 440
 441         if (hw->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))
 442                 info->chip_ready = 1;
 443
 444         info->version = PCXHR_DRIVER_VERSION;
 445         return 0;
 446 }
 447
 448 static int pcxhr_hwdep_dsp_load(struct snd_hwdep *hw,
 449                                 struct snd_hwdep_dsp_image *dsp)
 450 {
 451         struct pcxhr_mgr *mgr = hw->private_data;
 452         int err;
 453         struct firmware fw;
 454
 455         fw.size = dsp->length;
 456         fw.data = vmalloc(fw.size);
 457         if (! fw.data) {
 458                 snd_printk(KERN_ERR "pcxhr: cannot allocate dsp image "
 459                            "(%lu bytes)\n", (unsigned long)fw.size);
 460                 return -ENOMEM;
 461         }
 462         if (copy_from_user((void *)fw.data, dsp->image, dsp->length)) {
 463                 vfree(fw.data);
 464                 return -EFAULT;
 465         }
 466         err = pcxhr_dsp_load(mgr, dsp->index, &fw);
 467         vfree(fw.data);
 468         if (err < 0)
 469                 return err;
 470         mgr->dsp_loaded |= 1 << dsp->index;
 471         return 0;
 472 }
 473
 474 static int pcxhr_hwdep_open(struct snd_hwdep *hw, struct file *file)
 475 {
 476         return 0;
 477 }
 478
 479 static int pcxhr_hwdep_release(struct snd_hwdep *hw, struct file *file)
 480 {
 481         return 0;
 482 }
 483
 484 int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
 485 {
 486         int err;
 487         struct snd_hwdep *hw;
 488
 489         /* only create hwdep interface for first cardX
 490          * (see "index" module parameter)
 491          */
 492         err = snd_hwdep_new(mgr->chip[0]->card, PCXHR_HWDEP_ID, 0, &hw);
 493         if (err < 0)
 494                 return err;
 495
 496         hw->iface = SNDRV_HWDEP_IFACE_PCXHR;
 497         hw->private_data = mgr;
 498         hw->ops.open = pcxhr_hwdep_open;
 499         hw->ops.release = pcxhr_hwdep_release;
 500         hw->ops.dsp_status = pcxhr_hwdep_dsp_status;
 501         hw->ops.dsp_load = pcxhr_hwdep_dsp_load;
 502         hw->exclusive = 1;
 503         /* stereo cards don't need fw_file_0 -> dsp_loaded = 1 */
 504         hw->dsp_loaded = mgr->is_hr_stereo ? 1 : 0;
 505         mgr->dsp_loaded = 0;
 506         sprintf(hw->name, PCXHR_HWDEP_ID);
 507
 508         err = snd_card_register(mgr->chip[0]->card);
 509         if (err < 0)
 510                 return err;
 511         return 0;
 512 }
 513
 514 #endif /* SND_PCXHR_FW_LOADER */