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 <linux/module.h>
  28 #include <linux/io.h>
  29 #include <sound/core.h>
  30 #include <sound/hwdep.h>
  31 #include "pcxhr.h"
  32 #include "pcxhr_mixer.h"
  33 #include "pcxhr_hwdep.h"
  34 #include "pcxhr_core.h"
  35 #include "pcxhr_mix22.h"
  36
  37
  38 static int pcxhr_sub_init(struct pcxhr_mgr *mgr);
  39 /*
  40  * get basic information and init pcxhr card
  41  */
  42 static int pcxhr_init_board(struct pcxhr_mgr *mgr)
  43 {
  44         int err;
  45         struct pcxhr_rmh rmh;
  46         int card_streams;
  47
  48         /* calc the number of all streams used */
  49         if (mgr->mono_capture)
  50                 card_streams = mgr->capture_chips * 2;
  51         else
  52                 card_streams = mgr->capture_chips;
  53         card_streams += mgr->playback_chips * PCXHR_PLAYBACK_STREAMS;
  54
  55         /* enable interrupts */
  56         pcxhr_enable_dsp(mgr);
  57
  58         pcxhr_init_rmh(&rmh, CMD_SUPPORTED);
  59         err = pcxhr_send_msg(mgr, &rmh);
  60         if (err)
  61                 return err;
  62         /* test 4, 8 or 12 phys out */
  63         if ((rmh.stat[0] & MASK_FIRST_FIELD) < mgr->playback_chips * 2)
  64                 return -EINVAL;
  65         /* test 4, 8 or 2 phys in */
  66         if (((rmh.stat[0] >> (2 * FIELD_SIZE)) & MASK_FIRST_FIELD) <
  67             mgr->capture_chips * 2)
  68                 return -EINVAL;
  69         /* test max nb substream per board */
  70         if ((rmh.stat[1] & 0x5F) < card_streams)
  71                 return -EINVAL;
  72         /* test max nb substream per pipe */
  73         if (((rmh.stat[1] >> 7) & 0x5F) < PCXHR_PLAYBACK_STREAMS)
  74                 return -EINVAL;
  75         dev_dbg(&mgr->pci->dev,
  76                 "supported formats : playback=%x capture=%x\n",
  77                     rmh.stat[2], rmh.stat[3]);
  78
  79         pcxhr_init_rmh(&rmh, CMD_VERSION);
  80         /* firmware num for DSP */
  81         rmh.cmd[0] |= mgr->firmware_num;
  82         /* transfer granularity in samples (should be multiple of 48) */
  83         rmh.cmd[1] = (1<<23) + mgr->granularity;
  84         rmh.cmd_len = 2;
  85         err = pcxhr_send_msg(mgr, &rmh);
  86         if (err)
  87                 return err;
  88         dev_dbg(&mgr->pci->dev,
  89                 "PCXHR DSP version is %d.%d.%d\n", (rmh.stat[0]>>16)&0xff,
  90                     (rmh.stat[0]>>8)&0xff, rmh.stat[0]&0xff);
  91         mgr->dsp_version = rmh.stat[0];
  92
  93         if (mgr->is_hr_stereo)
  94                 err = hr222_sub_init(mgr);
  95         else
  96                 err = pcxhr_sub_init(mgr);
  97         return err;
  98 }
  99
 100 static int pcxhr_sub_init(struct pcxhr_mgr *mgr)
 101 {
 102         int err;
 103         struct pcxhr_rmh rmh;
 104
 105         /* get options */
 106         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
 107         rmh.cmd[0] |= IO_NUM_REG_STATUS;
 108         rmh.cmd[1]  = REG_STATUS_OPTIONS;
 109         rmh.cmd_len = 2;
 110         err = pcxhr_send_msg(mgr, &rmh);
 111         if (err)
 112                 return err;
 113
 114         if ((rmh.stat[1] & REG_STATUS_OPT_DAUGHTER_MASK) ==
 115             REG_STATUS_OPT_ANALOG_BOARD)
 116                 mgr->board_has_analog = 1;      /* analog addon board found */
 117
 118         /* unmute inputs */
 119         err = pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
 120                                           REG_CONT_UNMUTE_INPUTS, NULL);
 121         if (err)
 122                 return err;
 123         /* unmute outputs (a write to IO_NUM_REG_MUTE_OUT mutes!) */
 124         pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
 125         rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
 126         if (DSP_EXT_CMD_SET(mgr)) {
 127                 rmh.cmd[1]  = 1;        /* unmute digital plugs */
 128                 rmh.cmd_len = 2;
 129         }
 130         err = pcxhr_send_msg(mgr, &rmh);
 131         return err;
 132 }
 133
 134 void pcxhr_reset_board(struct pcxhr_mgr *mgr)
 135 {
 136         struct pcxhr_rmh rmh;
 137
 138         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
 139                 /* mute outputs */
 140             if (!mgr->is_hr_stereo) {
 141                 /* a read to IO_NUM_REG_MUTE_OUT register unmutes! */
 142                 pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
 143                 rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
 144                 pcxhr_send_msg(mgr, &rmh);
 145                 /* mute inputs */
 146                 pcxhr_write_io_num_reg_cont(mgr, REG_CONT_UNMUTE_INPUTS,
 147                                             0, NULL);
 148             }
 149                 /* stereo cards mute with reset of dsp */
 150         }
 151         /* reset pcxhr dsp */
 152         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_EPRM_INDEX))
 153                 pcxhr_reset_dsp(mgr);
 154         /* reset second xilinx */
 155         if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_XLX_COM_INDEX)) {
 156                 pcxhr_reset_xilinx_com(mgr);
 157                 mgr->dsp_loaded = 1;
 158         }
 159         return;
 160 }
 161
 162
 163 /*
 164  *  allocate a playback/capture pipe (pcmp0/pcmc0)
 165  */
 166 static int pcxhr_dsp_allocate_pipe(struct pcxhr_mgr *mgr,
 167                                    struct pcxhr_pipe *pipe,
 168                                    int is_capture, int pin)
 169 {
 170         int stream_count, audio_count;
 171         int err;
 172         struct pcxhr_rmh rmh;
 173
 174         if (is_capture) {
 175                 stream_count = 1;
 176                 if (mgr->mono_capture)
 177                         audio_count = 1;
 178                 else
 179                         audio_count = 2;
 180         } else {
 181                 stream_count = PCXHR_PLAYBACK_STREAMS;
 182                 audio_count = 2;        /* always stereo */
 183         }
 184         dev_dbg(&mgr->pci->dev, "snd_add_ref_pipe pin(%d) pcm%c0\n",
 185                     pin, is_capture ? 'c' : 'p');
 186         pipe->is_capture = is_capture;
 187         pipe->first_audio = pin;
 188         /* define pipe (P_PCM_ONLY_MASK (0x020000) is not necessary) */
 189         pcxhr_init_rmh(&rmh, CMD_RES_PIPE);
 190         pcxhr_set_pipe_cmd_params(&rmh, is_capture, pin,
 191                                   audio_count, stream_count);
 192         rmh.cmd[1] |= 0x020000; /* add P_PCM_ONLY_MASK */
 193         if (DSP_EXT_CMD_SET(mgr)) {
 194                 /* add channel mask to command */
 195           rmh.cmd[rmh.cmd_len++] = (audio_count == 1) ? 0x01 : 0x03;
 196         }
 197         err = pcxhr_send_msg(mgr, &rmh);
 198         if (err < 0) {
 199                 dev_err(&mgr->pci->dev, "error pipe allocation "
 200                            "(CMD_RES_PIPE) err=%x!\n", err);
 201                 return err;
 202         }
 203         pipe->status = PCXHR_PIPE_DEFINED;
 204
 205         return 0;
 206 }
 207
 208 /*
 209  *  free playback/capture pipe (pcmp0/pcmc0)
 210  */
 211 #if 0
 212 static int pcxhr_dsp_free_pipe( struct pcxhr_mgr *mgr, struct pcxhr_pipe *pipe)
 213 {
 214         struct pcxhr_rmh rmh;
 215         int capture_mask = 0;
 216         int playback_mask = 0;
 217         int err = 0;
 218
 219         if (pipe->is_capture)
 220                 capture_mask  = (1 << pipe->first_audio);
 221         else
 222                 playback_mask = (1 << pipe->first_audio);
 223
 224         /* stop one pipe */
 225         err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 0);
 226         if (err < 0)
 227                 dev_err(&mgr->pci->dev, "error stopping pipe!\n");
 228         /* release the pipe */
 229         pcxhr_init_rmh(&rmh, CMD_FREE_PIPE);
 230         pcxhr_set_pipe_cmd_params(&rmh, pipe->is_capture, pipe->first_audio,
 231                                   0, 0);
 232         err = pcxhr_send_msg(mgr, &rmh);
 233         if (err < 0)
 234                 dev_err(&mgr->pci->dev, "error pipe release "
 235                            "(CMD_FREE_PIPE) err(%x)\n", err);
 236         pipe->status = PCXHR_PIPE_UNDEFINED;
 237         return err;
 238 }
 239 #endif
 240
 241
 242 static int pcxhr_config_pipes(struct pcxhr_mgr *mgr)
 243 {
 244         int err, i, j;
 245         struct snd_pcxhr *chip;
 246         struct pcxhr_pipe *pipe;
 247
 248         /* allocate the pipes on the dsp */
 249         for (i = 0; i < mgr->num_cards; i++) {
 250                 chip = mgr->chip[i];
 251                 if (chip->nb_streams_play) {
 252                         pipe = &chip->playback_pipe;
 253                         err = pcxhr_dsp_allocate_pipe( mgr, pipe, 0, i*2);
 254                         if (err)
 255                                 return err;
 256                         for(j = 0; j < chip->nb_streams_play; j++)
 257                                 chip->playback_stream[j].pipe = pipe;
 258                 }
 259                 for (j = 0; j < chip->nb_streams_capt; j++) {
 260                         pipe = &chip->capture_pipe[j];
 261                         err = pcxhr_dsp_allocate_pipe(mgr, pipe, 1, i*2 + j);
 262                         if (err)
 263                                 return err;
 264                         chip->capture_stream[j].pipe = pipe;
 265                 }
 266         }
 267         return 0;
 268 }
 269
 270 static int pcxhr_start_pipes(struct pcxhr_mgr *mgr)
 271 {
 272         int i, j;
 273         struct snd_pcxhr *chip;
 274         int playback_mask = 0;
 275         int capture_mask = 0;
 276
 277         /* start all the pipes on the dsp */
 278         for (i = 0; i < mgr->num_cards; i++) {
 279                 chip = mgr->chip[i];
 280                 if (chip->nb_streams_play)
 281                         playback_mask |= 1 << chip->playback_pipe.first_audio;
 282                 for (j = 0; j < chip->nb_streams_capt; j++)
 283                         capture_mask |= 1 << chip->capture_pipe[j].first_audio;
 284         }
 285         return pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
 286 }
 287
 288
 289 static int pcxhr_dsp_load(struct pcxhr_mgr *mgr, int index,
 290                           const struct firmware *dsp)
 291 {
 292         int err, card_index;
 293
 294         dev_dbg(&mgr->pci->dev,
 295                 "loading dsp [%d] size = %zd\n", index, dsp->size);
 296
 297         switch (index) {
 298         case PCXHR_FIRMWARE_XLX_INT_INDEX:
 299                 pcxhr_reset_xilinx_com(mgr);
 300                 return pcxhr_load_xilinx_binary(mgr, dsp, 0);
 301
 302         case PCXHR_FIRMWARE_XLX_COM_INDEX:
 303                 pcxhr_reset_xilinx_com(mgr);
 304                 return pcxhr_load_xilinx_binary(mgr, dsp, 1);
 305
 306         case PCXHR_FIRMWARE_DSP_EPRM_INDEX:
 307                 pcxhr_reset_dsp(mgr);
 308                 return pcxhr_load_eeprom_binary(mgr, dsp);
 309
 310         case PCXHR_FIRMWARE_DSP_BOOT_INDEX:
 311                 return pcxhr_load_boot_binary(mgr, dsp);
 312
 313         case PCXHR_FIRMWARE_DSP_MAIN_INDEX:
 314                 err = pcxhr_load_dsp_binary(mgr, dsp);
 315                 if (err)
 316                         return err;
 317                 break;  /* continue with first init */
 318         default:
 319                 dev_err(&mgr->pci->dev, "wrong file index\n");
 320                 return -EFAULT;
 321         } /* end of switch file index*/
 322
 323         /* first communication with embedded */
 324         err = pcxhr_init_board(mgr);
 325         if (err < 0) {
 326                 dev_err(&mgr->pci->dev, "pcxhr could not be set up\n");
 327                 return err;
 328         }
 329         err = pcxhr_config_pipes(mgr);
 330         if (err < 0) {
 331                 dev_err(&mgr->pci->dev, "pcxhr pipes could not be set up\n");
 332                 return err;
 333         }
 334         /* create devices and mixer in accordance with HW options*/
 335         for (card_index = 0; card_index < mgr->num_cards; card_index++) {
 336                 struct snd_pcxhr *chip = mgr->chip[card_index];
 337
 338                 if ((err = pcxhr_create_pcm(chip)) < 0)
 339                         return err;
 340
 341                 if (card_index == 0) {
 342                         if ((err = pcxhr_create_mixer(chip->mgr)) < 0)
 343                                 return err;
 344                 }
 345                 if ((err = snd_card_register(chip->card)) < 0)
 346                         return err;
 347         }
 348         err = pcxhr_start_pipes(mgr);
 349         if (err < 0) {
 350                 dev_err(&mgr->pci->dev, "pcxhr pipes could not be started\n");
 351                 return err;
 352         }
 353         dev_dbg(&mgr->pci->dev,
 354                 "pcxhr firmware downloaded and successfully set up\n");
 355
 356         return 0;
 357 }
 358
 359 /*
 360  * fw loader entry
 361  */
 362 int pcxhr_setup_firmware(struct pcxhr_mgr *mgr)
 363 {
 364         static char *fw_files[][5] = {
 365         [0] = { "xlxint.dat", "xlxc882hr.dat",
 366                 "dspe882.e56", "dspb882hr.b56", "dspd882.d56" },
 367         [1] = { "xlxint.dat", "xlxc882e.dat",
 368                 "dspe882.e56", "dspb882e.b56", "dspd882.d56" },
 369         [2] = { "xlxint.dat", "xlxc1222hr.dat",
 370                 "dspe882.e56", "dspb1222hr.b56", "dspd1222.d56" },
 371         [3] = { "xlxint.dat", "xlxc1222e.dat",
 372                 "dspe882.e56", "dspb1222e.b56", "dspd1222.d56" },
 373         [4] = { NULL, "xlxc222.dat",
 374                 "dspe924.e56", "dspb924.b56", "dspd222.d56" },
 375         [5] = { NULL, "xlxc924.dat",
 376                 "dspe924.e56", "dspb924.b56", "dspd222.d56" },
 377         };
 378         char path[32];
 379
 380         const struct firmware *fw_entry;
 381         int i, err;
 382         int fw_set = mgr->fw_file_set;
 383
 384         for (i = 0; i < 5; i++) {
 385                 if (!fw_files[fw_set][i])
 386                         continue;
 387                 sprintf(path, "pcxhr/%s", fw_files[fw_set][i]);
 388                 if (request_firmware(&fw_entry, path, &mgr->pci->dev)) {
 389                         dev_err(&mgr->pci->dev,
 390                                 "pcxhr: can't load firmware %s\n",
 391                                    path);
 392                         return -ENOENT;
 393                 }
 394                 /* fake hwdep dsp record */
 395                 err = pcxhr_dsp_load(mgr, i, fw_entry);
 396                 release_firmware(fw_entry);
 397                 if (err < 0)
 398                         return err;
 399                 mgr->dsp_loaded |= 1 << i;
 400         }
 401         return 0;
 402 }
 403
 404 MODULE_FIRMWARE("pcxhr/xlxint.dat");
 405 MODULE_FIRMWARE("pcxhr/xlxc882hr.dat");
 406 MODULE_FIRMWARE("pcxhr/xlxc882e.dat");
 407 MODULE_FIRMWARE("pcxhr/dspe882.e56");
 408 MODULE_FIRMWARE("pcxhr/dspb882hr.b56");
 409 MODULE_FIRMWARE("pcxhr/dspb882e.b56");
 410 MODULE_FIRMWARE("pcxhr/dspd882.d56");
 411
 412 MODULE_FIRMWARE("pcxhr/xlxc1222hr.dat");
 413 MODULE_FIRMWARE("pcxhr/xlxc1222e.dat");
 414 MODULE_FIRMWARE("pcxhr/dspb1222hr.b56");
 415 MODULE_FIRMWARE("pcxhr/dspb1222e.b56");
 416 MODULE_FIRMWARE("pcxhr/dspd1222.d56");
 417
 418 MODULE_FIRMWARE("pcxhr/xlxc222.dat");
 419 MODULE_FIRMWARE("pcxhr/xlxc924.dat");
 420 MODULE_FIRMWARE("pcxhr/dspe924.e56");
 421 MODULE_FIRMWARE("pcxhr/dspb924.b56");
 422 MODULE_FIRMWARE("pcxhr/dspd222.d56");