linux/sound/pci/pcxhr/pcxhr.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Driver for Digigram pcxhr compatible soundcards
   4 *
   5 * main file with alsa callbacks
   6 *
   7 * Copyright (c) 2004 by Digigram <alsa@digigram.com>
   8 */
   9
  10
  11#include <linux/init.h>
  12#include <linux/interrupt.h>
  13#include <linux/slab.h>
  14#include <linux/pci.h>
  15#include <linux/dma-mapping.h>
  16#include <linux/delay.h>
  17#include <linux/module.h>
  18#include <linux/mutex.h>
  19
  20#include <sound/core.h>
  21#include <sound/initval.h>
  22#include <sound/info.h>
  23#include <sound/control.h>
  24#include <sound/pcm.h>
  25#include <sound/pcm_params.h>
  26#include "pcxhr.h"
  27#include "pcxhr_mixer.h"
  28#include "pcxhr_hwdep.h"
  29#include "pcxhr_core.h"
  30#include "pcxhr_mix22.h"
  31
  32#define DRIVER_NAME "pcxhr"
  33
  34MODULE_AUTHOR("Markus Bollinger <bollinger@digigram.com>, "
  35              "Marc Titinger <titinger@digigram.com>");
  36MODULE_DESCRIPTION("Digigram " DRIVER_NAME " " PCXHR_DRIVER_VERSION_STRING);
  37MODULE_LICENSE("GPL");
  38MODULE_SUPPORTED_DEVICE("{{Digigram," DRIVER_NAME "}}");
  39
  40static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  41static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  42static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
  43static bool mono[SNDRV_CARDS];                          /* capture  mono only */
  44
  45module_param_array(index, int, NULL, 0444);
  46MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard");
  47module_param_array(id, charp, NULL, 0444);
  48MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard");
  49module_param_array(enable, bool, NULL, 0444);
  50MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard");
  51module_param_array(mono, bool, NULL, 0444);
  52MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)");
  53
  54enum {
  55        PCI_ID_VX882HR,
  56        PCI_ID_PCX882HR,
  57        PCI_ID_VX881HR,
  58        PCI_ID_PCX881HR,
  59        PCI_ID_VX882E,
  60        PCI_ID_PCX882E,
  61        PCI_ID_VX881E,
  62        PCI_ID_PCX881E,
  63        PCI_ID_VX1222HR,
  64        PCI_ID_PCX1222HR,
  65        PCI_ID_VX1221HR,
  66        PCI_ID_PCX1221HR,
  67        PCI_ID_VX1222E,
  68        PCI_ID_PCX1222E,
  69        PCI_ID_VX1221E,
  70        PCI_ID_PCX1221E,
  71        PCI_ID_VX222HR,
  72        PCI_ID_VX222E,
  73        PCI_ID_PCX22HR,
  74        PCI_ID_PCX22E,
  75        PCI_ID_VX222HRMIC,
  76        PCI_ID_VX222E_MIC,
  77        PCI_ID_PCX924HR,
  78        PCI_ID_PCX924E,
  79        PCI_ID_PCX924HRMIC,
  80        PCI_ID_PCX924E_MIC,
  81        PCI_ID_VX442HR,
  82        PCI_ID_PCX442HR,
  83        PCI_ID_VX442E,
  84        PCI_ID_PCX442E,
  85        PCI_ID_VX822HR,
  86        PCI_ID_PCX822HR,
  87        PCI_ID_VX822E,
  88        PCI_ID_PCX822E,
  89        PCI_ID_LAST
  90};
  91
  92static const struct pci_device_id pcxhr_ids[] = {
  93        { 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, },
  94        { 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, },
  95        { 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, },
  96        { 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, },
  97        { 0x10b5, 0x9056, 0x1369, 0xb021, 0, 0, PCI_ID_VX882E, },
  98        { 0x10b5, 0x9056, 0x1369, 0xb121, 0, 0, PCI_ID_PCX882E, },
  99        { 0x10b5, 0x9056, 0x1369, 0xb221, 0, 0, PCI_ID_VX881E, },
 100        { 0x10b5, 0x9056, 0x1369, 0xb321, 0, 0, PCI_ID_PCX881E, },
 101        { 0x10b5, 0x9656, 0x1369, 0xb401, 0, 0, PCI_ID_VX1222HR, },
 102        { 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, },
 103        { 0x10b5, 0x9656, 0x1369, 0xb601, 0, 0, PCI_ID_VX1221HR, },
 104        { 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, },
 105        { 0x10b5, 0x9056, 0x1369, 0xb421, 0, 0, PCI_ID_VX1222E, },
 106        { 0x10b5, 0x9056, 0x1369, 0xb521, 0, 0, PCI_ID_PCX1222E, },
 107        { 0x10b5, 0x9056, 0x1369, 0xb621, 0, 0, PCI_ID_VX1221E, },
 108        { 0x10b5, 0x9056, 0x1369, 0xb721, 0, 0, PCI_ID_PCX1221E, },
 109        { 0x10b5, 0x9056, 0x1369, 0xba01, 0, 0, PCI_ID_VX222HR, },
 110        { 0x10b5, 0x9056, 0x1369, 0xba21, 0, 0, PCI_ID_VX222E, },
 111        { 0x10b5, 0x9056, 0x1369, 0xbd01, 0, 0, PCI_ID_PCX22HR, },
 112        { 0x10b5, 0x9056, 0x1369, 0xbd21, 0, 0, PCI_ID_PCX22E, },
 113        { 0x10b5, 0x9056, 0x1369, 0xbc01, 0, 0, PCI_ID_VX222HRMIC, },
 114        { 0x10b5, 0x9056, 0x1369, 0xbc21, 0, 0, PCI_ID_VX222E_MIC, },
 115        { 0x10b5, 0x9056, 0x1369, 0xbb01, 0, 0, PCI_ID_PCX924HR, },
 116        { 0x10b5, 0x9056, 0x1369, 0xbb21, 0, 0, PCI_ID_PCX924E, },
 117        { 0x10b5, 0x9056, 0x1369, 0xbf01, 0, 0, PCI_ID_PCX924HRMIC, },
 118        { 0x10b5, 0x9056, 0x1369, 0xbf21, 0, 0, PCI_ID_PCX924E_MIC, },
 119        { 0x10b5, 0x9656, 0x1369, 0xd001, 0, 0, PCI_ID_VX442HR, },
 120        { 0x10b5, 0x9656, 0x1369, 0xd101, 0, 0, PCI_ID_PCX442HR, },
 121        { 0x10b5, 0x9056, 0x1369, 0xd021, 0, 0, PCI_ID_VX442E, },
 122        { 0x10b5, 0x9056, 0x1369, 0xd121, 0, 0, PCI_ID_PCX442E, },
 123        { 0x10b5, 0x9656, 0x1369, 0xd201, 0, 0, PCI_ID_VX822HR, },
 124        { 0x10b5, 0x9656, 0x1369, 0xd301, 0, 0, PCI_ID_PCX822HR, },
 125        { 0x10b5, 0x9056, 0x1369, 0xd221, 0, 0, PCI_ID_VX822E, },
 126        { 0x10b5, 0x9056, 0x1369, 0xd321, 0, 0, PCI_ID_PCX822E, },
 127        { 0, }
 128};
 129
 130MODULE_DEVICE_TABLE(pci, pcxhr_ids);
 131
 132struct board_parameters {
 133        char* board_name;
 134        short playback_chips;
 135        short capture_chips;
 136        short fw_file_set;
 137        short firmware_num;
 138};
 139static const struct board_parameters pcxhr_board_params[] = {
 140[PCI_ID_VX882HR] =      { "VX882HR",      4, 4, 0, 41 },
 141[PCI_ID_PCX882HR] =     { "PCX882HR",     4, 4, 0, 41 },
 142[PCI_ID_VX881HR] =      { "VX881HR",      4, 4, 0, 41 },
 143[PCI_ID_PCX881HR] =     { "PCX881HR",     4, 4, 0, 41 },
 144[PCI_ID_VX882E] =       { "VX882e",       4, 4, 1, 41 },
 145[PCI_ID_PCX882E] =      { "PCX882e",      4, 4, 1, 41 },
 146[PCI_ID_VX881E] =       { "VX881e",       4, 4, 1, 41 },
 147[PCI_ID_PCX881E] =      { "PCX881e",      4, 4, 1, 41 },
 148[PCI_ID_VX1222HR] =     { "VX1222HR",     6, 1, 2, 42 },
 149[PCI_ID_PCX1222HR] =    { "PCX1222HR",    6, 1, 2, 42 },
 150[PCI_ID_VX1221HR] =     { "VX1221HR",     6, 1, 2, 42 },
 151[PCI_ID_PCX1221HR] =    { "PCX1221HR",    6, 1, 2, 42 },
 152[PCI_ID_VX1222E] =      { "VX1222e",      6, 1, 3, 42 },
 153[PCI_ID_PCX1222E] =     { "PCX1222e",     6, 1, 3, 42 },
 154[PCI_ID_VX1221E] =      { "VX1221e",      6, 1, 3, 42 },
 155[PCI_ID_PCX1221E] =     { "PCX1221e",     6, 1, 3, 42 },
 156[PCI_ID_VX222HR] =      { "VX222HR",      1, 1, 4, 44 },
 157[PCI_ID_VX222E] =       { "VX222e",       1, 1, 4, 44 },
 158[PCI_ID_PCX22HR] =      { "PCX22HR",      1, 0, 4, 44 },
 159[PCI_ID_PCX22E] =       { "PCX22e",       1, 0, 4, 44 },
 160[PCI_ID_VX222HRMIC] =   { "VX222HR-Mic",  1, 1, 5, 44 },
 161[PCI_ID_VX222E_MIC] =   { "VX222e-Mic",   1, 1, 5, 44 },
 162[PCI_ID_PCX924HR] =     { "PCX924HR",     1, 1, 5, 44 },
 163[PCI_ID_PCX924E] =      { "PCX924e",      1, 1, 5, 44 },
 164[PCI_ID_PCX924HRMIC] =  { "PCX924HR-Mic", 1, 1, 5, 44 },
 165[PCI_ID_PCX924E_MIC] =  { "PCX924e-Mic",  1, 1, 5, 44 },
 166[PCI_ID_VX442HR] =      { "VX442HR",      2, 2, 0, 41 },
 167[PCI_ID_PCX442HR] =     { "PCX442HR",     2, 2, 0, 41 },
 168[PCI_ID_VX442E] =       { "VX442e",       2, 2, 1, 41 },
 169[PCI_ID_PCX442E] =      { "PCX442e",      2, 2, 1, 41 },
 170[PCI_ID_VX822HR] =      { "VX822HR",      4, 1, 2, 42 },
 171[PCI_ID_PCX822HR] =     { "PCX822HR",     4, 1, 2, 42 },
 172[PCI_ID_VX822E] =       { "VX822e",       4, 1, 3, 42 },
 173[PCI_ID_PCX822E] =      { "PCX822e",      4, 1, 3, 42 },
 174};
 175
 176/* boards without hw AES1 and SRC onboard are all using fw_file_set==4 */
 177/* VX222HR, VX222e, PCX22HR and PCX22e */
 178#define PCXHR_BOARD_HAS_AES1(x) (x->fw_file_set != 4)
 179/* some boards do not support 192kHz on digital AES input plugs */
 180#define PCXHR_BOARD_AESIN_NO_192K(x) ((x->capture_chips == 0) || \
 181                                      (x->fw_file_set == 0)   || \
 182                                      (x->fw_file_set == 2))
 183
 184static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg,
 185                                   unsigned int* realfreq)
 186{
 187        unsigned int reg;
 188
 189        if (freq < 6900 || freq > 110000)
 190                return -EINVAL;
 191        reg = (28224000 * 2) / freq;
 192        reg = (reg - 1) / 2;
 193        if (reg < 0x200)
 194                *pllreg = reg + 0x800;
 195        else if (reg < 0x400)
 196                *pllreg = reg & 0x1ff;
 197        else if (reg < 0x800) {
 198                *pllreg = ((reg >> 1) & 0x1ff) + 0x200;
 199                reg &= ~1;
 200        } else {
 201                *pllreg = ((reg >> 2) & 0x1ff) + 0x400;
 202                reg &= ~3;
 203        }
 204        if (realfreq)
 205                *realfreq = (28224000 / (reg + 1));
 206        return 0;
 207}
 208
 209
 210#define PCXHR_FREQ_REG_MASK             0x1f
 211#define PCXHR_FREQ_QUARTZ_48000         0x00
 212#define PCXHR_FREQ_QUARTZ_24000         0x01
 213#define PCXHR_FREQ_QUARTZ_12000         0x09
 214#define PCXHR_FREQ_QUARTZ_32000         0x08
 215#define PCXHR_FREQ_QUARTZ_16000         0x04
 216#define PCXHR_FREQ_QUARTZ_8000          0x0c
 217#define PCXHR_FREQ_QUARTZ_44100         0x02
 218#define PCXHR_FREQ_QUARTZ_22050         0x0a
 219#define PCXHR_FREQ_QUARTZ_11025         0x06
 220#define PCXHR_FREQ_PLL                  0x05
 221#define PCXHR_FREQ_QUARTZ_192000        0x10
 222#define PCXHR_FREQ_QUARTZ_96000         0x18
 223#define PCXHR_FREQ_QUARTZ_176400        0x14
 224#define PCXHR_FREQ_QUARTZ_88200         0x1c
 225#define PCXHR_FREQ_QUARTZ_128000        0x12
 226#define PCXHR_FREQ_QUARTZ_64000         0x1a
 227
 228#define PCXHR_FREQ_WORD_CLOCK           0x0f
 229#define PCXHR_FREQ_SYNC_AES             0x0e
 230#define PCXHR_FREQ_AES_1                0x07
 231#define PCXHR_FREQ_AES_2                0x0b
 232#define PCXHR_FREQ_AES_3                0x03
 233#define PCXHR_FREQ_AES_4                0x0d
 234
 235static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate,
 236                               unsigned int *reg, unsigned int *freq)
 237{
 238        unsigned int val, realfreq, pllreg;
 239        struct pcxhr_rmh rmh;
 240        int err;
 241
 242        realfreq = rate;
 243        switch (mgr->use_clock_type) {
 244        case PCXHR_CLOCK_TYPE_INTERNAL :        /* clock by quartz or pll */
 245                switch (rate) {
 246                case 48000 :    val = PCXHR_FREQ_QUARTZ_48000;  break;
 247                case 24000 :    val = PCXHR_FREQ_QUARTZ_24000;  break;
 248                case 12000 :    val = PCXHR_FREQ_QUARTZ_12000;  break;
 249                case 32000 :    val = PCXHR_FREQ_QUARTZ_32000;  break;
 250                case 16000 :    val = PCXHR_FREQ_QUARTZ_16000;  break;
 251                case 8000 :     val = PCXHR_FREQ_QUARTZ_8000;   break;
 252                case 44100 :    val = PCXHR_FREQ_QUARTZ_44100;  break;
 253                case 22050 :    val = PCXHR_FREQ_QUARTZ_22050;  break;
 254                case 11025 :    val = PCXHR_FREQ_QUARTZ_11025;  break;
 255                case 192000 :   val = PCXHR_FREQ_QUARTZ_192000; break;
 256                case 96000 :    val = PCXHR_FREQ_QUARTZ_96000;  break;
 257                case 176400 :   val = PCXHR_FREQ_QUARTZ_176400; break;
 258                case 88200 :    val = PCXHR_FREQ_QUARTZ_88200;  break;
 259                case 128000 :   val = PCXHR_FREQ_QUARTZ_128000; break;
 260                case 64000 :    val = PCXHR_FREQ_QUARTZ_64000;  break;
 261                default :
 262                        val = PCXHR_FREQ_PLL;
 263                        /* get the value for the pll register */
 264                        err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq);
 265                        if (err)
 266                                return err;
 267                        pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
 268                        rmh.cmd[0] |= IO_NUM_REG_GENCLK;
 269                        rmh.cmd[1]  = pllreg & MASK_DSP_WORD;
 270                        rmh.cmd[2]  = pllreg >> 24;
 271                        rmh.cmd_len = 3;
 272                        err = pcxhr_send_msg(mgr, &rmh);
 273                        if (err < 0) {
 274                                dev_err(&mgr->pci->dev,
 275                                           "error CMD_ACCESS_IO_WRITE "
 276                                           "for PLL register : %x!\n", err);
 277                                return err;
 278                        }
 279                }
 280                break;
 281        case PCXHR_CLOCK_TYPE_WORD_CLOCK:
 282                val = PCXHR_FREQ_WORD_CLOCK;
 283                break;
 284        case PCXHR_CLOCK_TYPE_AES_SYNC:
 285                val = PCXHR_FREQ_SYNC_AES;
 286                break;
 287        case PCXHR_CLOCK_TYPE_AES_1:
 288                val = PCXHR_FREQ_AES_1;
 289                break;
 290        case PCXHR_CLOCK_TYPE_AES_2:
 291                val = PCXHR_FREQ_AES_2;
 292                break;
 293        case PCXHR_CLOCK_TYPE_AES_3:
 294                val = PCXHR_FREQ_AES_3;
 295                break;
 296        case PCXHR_CLOCK_TYPE_AES_4:
 297                val = PCXHR_FREQ_AES_4;
 298                break;
 299        default:
 300                return -EINVAL;
 301        }
 302        *reg = val;
 303        *freq = realfreq;
 304        return 0;
 305}
 306
 307
 308static int pcxhr_sub_set_clock(struct pcxhr_mgr *mgr,
 309                               unsigned int rate,
 310                               int *changed)
 311{
 312        unsigned int val, realfreq, speed;
 313        struct pcxhr_rmh rmh;
 314        int err;
 315
 316        err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq);
 317        if (err)
 318                return err;
 319
 320        /* codec speed modes */
 321        if (rate < 55000)
 322                speed = 0;      /* single speed */
 323        else if (rate < 100000)
 324                speed = 1;      /* dual speed */
 325        else
 326                speed = 2;      /* quad speed */
 327        if (mgr->codec_speed != speed) {
 328                pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* mute outputs */
 329                rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
 330                if (DSP_EXT_CMD_SET(mgr)) {
 331                        rmh.cmd[1]  = 1;
 332                        rmh.cmd_len = 2;
 333                }
 334                err = pcxhr_send_msg(mgr, &rmh);
 335                if (err)
 336                        return err;
 337
 338                pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set speed ratio */
 339                rmh.cmd[0] |= IO_NUM_SPEED_RATIO;
 340                rmh.cmd[1] = speed;
 341                rmh.cmd_len = 2;
 342                err = pcxhr_send_msg(mgr, &rmh);
 343                if (err)
 344                        return err;
 345        }
 346        /* set the new frequency */
 347        dev_dbg(&mgr->pci->dev, "clock register : set %x\n", val);
 348        err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK,
 349                                          val, changed);
 350        if (err)
 351                return err;
 352
 353        mgr->sample_rate_real = realfreq;
 354        mgr->cur_clock_type = mgr->use_clock_type;
 355
 356        /* unmute after codec speed modes */
 357        if (mgr->codec_speed != speed) {
 358                pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* unmute outputs */
 359                rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
 360                if (DSP_EXT_CMD_SET(mgr)) {
 361                        rmh.cmd[1]  = 1;
 362                        rmh.cmd_len = 2;
 363                }
 364                err = pcxhr_send_msg(mgr, &rmh);
 365                if (err)
 366                        return err;
 367                mgr->codec_speed = speed;       /* save new codec speed */
 368        }
 369
 370        dev_dbg(&mgr->pci->dev, "pcxhr_sub_set_clock to %dHz (realfreq=%d)\n",
 371                    rate, realfreq);
 372        return 0;
 373}
 374
 375#define PCXHR_MODIFY_CLOCK_S_BIT        0x04
 376
 377#define PCXHR_IRQ_TIMER_FREQ            92000
 378#define PCXHR_IRQ_TIMER_PERIOD          48
 379
 380int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate)
 381{
 382        struct pcxhr_rmh rmh;
 383        int err, changed;
 384
 385        if (rate == 0)
 386                return 0; /* nothing to do */
 387
 388        if (mgr->is_hr_stereo)
 389                err = hr222_sub_set_clock(mgr, rate, &changed);
 390        else
 391                err = pcxhr_sub_set_clock(mgr, rate, &changed);
 392
 393        if (err)
 394                return err;
 395
 396        if (changed) {
 397                pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK);
 398                rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT; /* resync fifos  */
 399                if (rate < PCXHR_IRQ_TIMER_FREQ)
 400                        rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD;
 401                else
 402                        rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2;
 403                rmh.cmd[2] = rate;
 404                rmh.cmd_len = 3;
 405                err = pcxhr_send_msg(mgr, &rmh);
 406                if (err)
 407                        return err;
 408        }
 409        return 0;
 410}
 411
 412
 413static int pcxhr_sub_get_external_clock(struct pcxhr_mgr *mgr,
 414                                        enum pcxhr_clock_type clock_type,
 415                                        int *sample_rate)
 416{
 417        struct pcxhr_rmh rmh;
 418        unsigned char reg;
 419        int err, rate;
 420
 421        switch (clock_type) {
 422        case PCXHR_CLOCK_TYPE_WORD_CLOCK:
 423                reg = REG_STATUS_WORD_CLOCK;
 424                break;
 425        case PCXHR_CLOCK_TYPE_AES_SYNC:
 426                reg = REG_STATUS_AES_SYNC;
 427                break;
 428        case PCXHR_CLOCK_TYPE_AES_1:
 429                reg = REG_STATUS_AES_1;
 430                break;
 431        case PCXHR_CLOCK_TYPE_AES_2:
 432                reg = REG_STATUS_AES_2;
 433                break;
 434        case PCXHR_CLOCK_TYPE_AES_3:
 435                reg = REG_STATUS_AES_3;
 436                break;
 437        case PCXHR_CLOCK_TYPE_AES_4:
 438                reg = REG_STATUS_AES_4;
 439                break;
 440        default:
 441                return -EINVAL;
 442        }
 443        pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
 444        rmh.cmd_len = 2;
 445        rmh.cmd[0] |= IO_NUM_REG_STATUS;
 446        if (mgr->last_reg_stat != reg) {
 447                rmh.cmd[1]  = reg;
 448                err = pcxhr_send_msg(mgr, &rmh);
 449                if (err)
 450                        return err;
 451                udelay(100);    /* wait minimum 2 sample_frames at 32kHz ! */
 452                mgr->last_reg_stat = reg;
 453        }
 454        rmh.cmd[1]  = REG_STATUS_CURRENT;
 455        err = pcxhr_send_msg(mgr, &rmh);
 456        if (err)
 457                return err;
 458        switch (rmh.stat[1] & 0x0f) {
 459        case REG_STATUS_SYNC_32000 :    rate = 32000; break;
 460        case REG_STATUS_SYNC_44100 :    rate = 44100; break;
 461        case REG_STATUS_SYNC_48000 :    rate = 48000; break;
 462        case REG_STATUS_SYNC_64000 :    rate = 64000; break;
 463        case REG_STATUS_SYNC_88200 :    rate = 88200; break;
 464        case REG_STATUS_SYNC_96000 :    rate = 96000; break;
 465        case REG_STATUS_SYNC_128000 :   rate = 128000; break;
 466        case REG_STATUS_SYNC_176400 :   rate = 176400; break;
 467        case REG_STATUS_SYNC_192000 :   rate = 192000; break;
 468        default: rate = 0;
 469        }
 470        dev_dbg(&mgr->pci->dev, "External clock is at %d Hz\n", rate);
 471        *sample_rate = rate;
 472        return 0;
 473}
 474
 475
 476int pcxhr_get_external_clock(struct pcxhr_mgr *mgr,
 477                             enum pcxhr_clock_type clock_type,
 478                             int *sample_rate)
 479{
 480        if (mgr->is_hr_stereo)
 481                return hr222_get_external_clock(mgr, clock_type,
 482                                                sample_rate);
 483        else
 484                return pcxhr_sub_get_external_clock(mgr, clock_type,
 485                                                    sample_rate);
 486}
 487
 488/*
 489 *  start or stop playback/capture substream
 490 */
 491static int pcxhr_set_stream_state(struct snd_pcxhr *chip,
 492                                  struct pcxhr_stream *stream)
 493{
 494        int err;
 495        struct pcxhr_rmh rmh;
 496        int stream_mask, start;
 497
 498        if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN)
 499                start = 1;
 500        else {
 501                if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) {
 502                        dev_err(chip->card->dev,
 503                                "pcxhr_set_stream_state CANNOT be stopped\n");
 504                        return -EINVAL;
 505                }
 506                start = 0;
 507        }
 508        if (!stream->substream)
 509                return -EINVAL;
 510
 511        stream->timer_abs_periods = 0;
 512        stream->timer_period_frag = 0;  /* reset theoretical stream pos */
 513        stream->timer_buf_periods = 0;
 514        stream->timer_is_synced = 0;
 515
 516        stream_mask =
 517          stream->pipe->is_capture ? 1 : 1<<stream->substream->number;
 518
 519        pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM);
 520        pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture,
 521                                  stream->pipe->first_audio, 0, stream_mask);
 522
 523        chip = snd_pcm_substream_chip(stream->substream);
 524
 525        err = pcxhr_send_msg(chip->mgr, &rmh);
 526        if (err)
 527                dev_err(chip->card->dev,
 528                        "ERROR pcxhr_set_stream_state err=%x;\n", err);
 529        stream->status =
 530          start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED;
 531        return err;
 532}
 533
 534#define HEADER_FMT_BASE_LIN             0xfed00000
 535#define HEADER_FMT_BASE_FLOAT           0xfad00000
 536#define HEADER_FMT_INTEL                0x00008000
 537#define HEADER_FMT_24BITS               0x00004000
 538#define HEADER_FMT_16BITS               0x00002000
 539#define HEADER_FMT_UPTO11               0x00000200
 540#define HEADER_FMT_UPTO32               0x00000100
 541#define HEADER_FMT_MONO                 0x00000080
 542
 543static int pcxhr_set_format(struct pcxhr_stream *stream)
 544{
 545        int err, is_capture, sample_rate, stream_num;
 546        struct snd_pcxhr *chip;
 547        struct pcxhr_rmh rmh;
 548        unsigned int header;
 549
 550        chip = snd_pcm_substream_chip(stream->substream);
 551        switch (stream->format) {
 552        case SNDRV_PCM_FORMAT_U8:
 553                header = HEADER_FMT_BASE_LIN;
 554                break;
 555        case SNDRV_PCM_FORMAT_S16_LE:
 556                header = HEADER_FMT_BASE_LIN |
 557                         HEADER_FMT_16BITS | HEADER_FMT_INTEL;
 558                break;
 559        case SNDRV_PCM_FORMAT_S16_BE:
 560                header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS;
 561                break;
 562        case SNDRV_PCM_FORMAT_S24_3LE:
 563                header = HEADER_FMT_BASE_LIN |
 564                         HEADER_FMT_24BITS | HEADER_FMT_INTEL;
 565                break;
 566        case SNDRV_PCM_FORMAT_S24_3BE:
 567                header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS;
 568                break;
 569        case SNDRV_PCM_FORMAT_FLOAT_LE:
 570                header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL;
 571                break;
 572        default:
 573                dev_err(chip->card->dev,
 574                        "error pcxhr_set_format() : unknown format\n");
 575                return -EINVAL;
 576        }
 577
 578        sample_rate = chip->mgr->sample_rate;
 579        if (sample_rate <= 32000 && sample_rate !=0) {
 580                if (sample_rate <= 11025)
 581                        header |= HEADER_FMT_UPTO11;
 582                else
 583                        header |= HEADER_FMT_UPTO32;
 584        }
 585        if (stream->channels == 1)
 586                header |= HEADER_FMT_MONO;
 587
 588        is_capture = stream->pipe->is_capture;
 589        stream_num = is_capture ? 0 : stream->substream->number;
 590
 591        pcxhr_init_rmh(&rmh, is_capture ?
 592                       CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT);
 593        pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio,
 594                                  stream_num, 0);
 595        if (is_capture) {
 596                /* bug with old dsp versions: */
 597                /* bit 12 also sets the format of the playback stream */
 598                if (DSP_EXT_CMD_SET(chip->mgr))
 599                        rmh.cmd[0] |= 1<<10;
 600                else
 601                        rmh.cmd[0] |= 1<<12;
 602        }
 603        rmh.cmd[1] = 0;
 604        rmh.cmd_len = 2;
 605        if (DSP_EXT_CMD_SET(chip->mgr)) {
 606                /* add channels and set bit 19 if channels>2 */
 607                rmh.cmd[1] = stream->channels;
 608                if (!is_capture) {
 609                        /* playback : add channel mask to command */
 610                        rmh.cmd[2] = (stream->channels == 1) ? 0x01 : 0x03;
 611                        rmh.cmd_len = 3;
 612                }
 613        }
 614        rmh.cmd[rmh.cmd_len++] = header >> 8;
 615        rmh.cmd[rmh.cmd_len++] = (header & 0xff) << 16;
 616        err = pcxhr_send_msg(chip->mgr, &rmh);
 617        if (err)
 618                dev_err(chip->card->dev,
 619                        "ERROR pcxhr_set_format err=%x;\n", err);
 620        return err;
 621}
 622
 623static int pcxhr_update_r_buffer(struct pcxhr_stream *stream)
 624{
 625        int err, is_capture, stream_num;
 626        struct pcxhr_rmh rmh;
 627        struct snd_pcm_substream *subs = stream->substream;
 628        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
 629
 630        is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE);
 631        stream_num = is_capture ? 0 : subs->number;
 632
 633        dev_dbg(chip->card->dev,
 634                "pcxhr_update_r_buffer(pcm%c%d) : addr(%p) bytes(%zx) subs(%d)\n",
 635                is_capture ? 'c' : 'p',
 636                chip->chip_idx, (void *)(long)subs->runtime->dma_addr,
 637                subs->runtime->dma_bytes, subs->number);
 638
 639        pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS);
 640        pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio,
 641                                  stream_num, 0);
 642
 643        /* max buffer size is 2 MByte */
 644        snd_BUG_ON(subs->runtime->dma_bytes >= 0x200000);
 645        /* size in bits */
 646        rmh.cmd[1] = subs->runtime->dma_bytes * 8;
 647        /* most significant byte */
 648        rmh.cmd[2] = subs->runtime->dma_addr >> 24;
 649        /* this is a circular buffer */
 650        rmh.cmd[2] |= 1<<19;
 651        /* least 3 significant bytes */
 652        rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD;
 653        rmh.cmd_len = 4;
 654        err = pcxhr_send_msg(chip->mgr, &rmh);
 655        if (err)
 656                dev_err(chip->card->dev,
 657                           "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err);
 658        return err;
 659}
 660
 661
 662#if 0
 663static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream,
 664                                   snd_pcm_uframes_t *sample_count)
 665{
 666        struct pcxhr_rmh rmh;
 667        int err;
 668        pcxhr_t *chip = snd_pcm_substream_chip(stream->substream);
 669        pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT);
 670        pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0,
 671                                  1<<stream->pipe->first_audio);
 672        err = pcxhr_send_msg(chip->mgr, &rmh);
 673        if (err == 0) {
 674                *sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24;
 675                *sample_count += (snd_pcm_uframes_t)rmh.stat[1];
 676        }
 677        dev_dbg(chip->card->dev, "PIPE_SAMPLE_COUNT = %lx\n", *sample_count);
 678        return err;
 679}
 680#endif
 681
 682static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream,
 683                                                  struct pcxhr_pipe **pipe)
 684{
 685        if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) {
 686                *pipe = stream->pipe;
 687                return 1;
 688        }
 689        return 0;
 690}
 691
 692static void pcxhr_start_linked_stream(struct pcxhr_mgr *mgr)
 693{
 694        int i, j, err;
 695        struct pcxhr_pipe *pipe;
 696        struct snd_pcxhr *chip;
 697        int capture_mask = 0;
 698        int playback_mask = 0;
 699
 700#ifdef CONFIG_SND_DEBUG_VERBOSE
 701        ktime_t start_time, stop_time, diff_time;
 702
 703        start_time = ktime_get();
 704#endif
 705        mutex_lock(&mgr->setup_mutex);
 706
 707        /* check the pipes concerned and build pipe_array */
 708        for (i = 0; i < mgr->num_cards; i++) {
 709                chip = mgr->chip[i];
 710                for (j = 0; j < chip->nb_streams_capt; j++) {
 711                        if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe))
 712                                capture_mask |= (1 << pipe->first_audio);
 713                }
 714                for (j = 0; j < chip->nb_streams_play; j++) {
 715                        if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) {
 716                                playback_mask |= (1 << pipe->first_audio);
 717                                break;  /* add only once, as all playback
 718                                         * streams of one chip use the same pipe
 719                                         */
 720                        }
 721                }
 722        }
 723        if (capture_mask == 0 && playback_mask == 0) {
 724                mutex_unlock(&mgr->setup_mutex);
 725                dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : no pipes\n");
 726                return;
 727        }
 728
 729        dev_dbg(&mgr->pci->dev, "pcxhr_start_linked_stream : "
 730                    "playback_mask=%x capture_mask=%x\n",
 731                    playback_mask, capture_mask);
 732
 733        /* synchronous stop of all the pipes concerned */
 734        err = pcxhr_set_pipe_state(mgr,  playback_mask, capture_mask, 0);
 735        if (err) {
 736                mutex_unlock(&mgr->setup_mutex);
 737                dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : "
 738                           "error stop pipes (P%x C%x)\n",
 739                           playback_mask, capture_mask);
 740                return;
 741        }
 742
 743        /* the dsp lost format and buffer info with the stop pipe */
 744        for (i = 0; i < mgr->num_cards; i++) {
 745                struct pcxhr_stream *stream;
 746                chip = mgr->chip[i];
 747                for (j = 0; j < chip->nb_streams_capt; j++) {
 748                        stream = &chip->capture_stream[j];
 749                        if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
 750                                err = pcxhr_set_format(stream);
 751                                err = pcxhr_update_r_buffer(stream);
 752                        }
 753                }
 754                for (j = 0; j < chip->nb_streams_play; j++) {
 755                        stream = &chip->playback_stream[j];
 756                        if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
 757                                err = pcxhr_set_format(stream);
 758                                err = pcxhr_update_r_buffer(stream);
 759                        }
 760                }
 761        }
 762        /* start all the streams */
 763        for (i = 0; i < mgr->num_cards; i++) {
 764                struct pcxhr_stream *stream;
 765                chip = mgr->chip[i];
 766                for (j = 0; j < chip->nb_streams_capt; j++) {
 767                        stream = &chip->capture_stream[j];
 768                        if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
 769                                err = pcxhr_set_stream_state(chip, stream);
 770                }
 771                for (j = 0; j < chip->nb_streams_play; j++) {
 772                        stream = &chip->playback_stream[j];
 773                        if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
 774                                err = pcxhr_set_stream_state(chip, stream);
 775                }
 776        }
 777
 778        /* synchronous start of all the pipes concerned */
 779        err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
 780        if (err) {
 781                mutex_unlock(&mgr->setup_mutex);
 782                dev_err(&mgr->pci->dev, "pcxhr_start_linked_stream : "
 783                           "error start pipes (P%x C%x)\n",
 784                           playback_mask, capture_mask);
 785                return;
 786        }
 787
 788        /* put the streams into the running state now
 789         * (increment pointer by interrupt)
 790         */
 791        mutex_lock(&mgr->lock);
 792        for ( i =0; i < mgr->num_cards; i++) {
 793                struct pcxhr_stream *stream;
 794                chip = mgr->chip[i];
 795                for(j = 0; j < chip->nb_streams_capt; j++) {
 796                        stream = &chip->capture_stream[j];
 797                        if(stream->status == PCXHR_STREAM_STATUS_STARTED)
 798                                stream->status = PCXHR_STREAM_STATUS_RUNNING;
 799                }
 800                for (j = 0; j < chip->nb_streams_play; j++) {
 801                        stream = &chip->playback_stream[j];
 802                        if (stream->status == PCXHR_STREAM_STATUS_STARTED) {
 803                                /* playback will already have advanced ! */
 804                                stream->timer_period_frag += mgr->granularity;
 805                                stream->status = PCXHR_STREAM_STATUS_RUNNING;
 806                        }
 807                }
 808        }
 809        mutex_unlock(&mgr->lock);
 810
 811        mutex_unlock(&mgr->setup_mutex);
 812
 813#ifdef CONFIG_SND_DEBUG_VERBOSE
 814        stop_time = ktime_get();
 815        diff_time = ktime_sub(stop_time, start_time);
 816        dev_dbg(&mgr->pci->dev, "***TRIGGER START*** TIME = %ld (err = %x)\n",
 817                    (long)(ktime_to_ns(diff_time)), err);
 818#endif
 819}
 820
 821
 822/*
 823 *  trigger callback
 824 */
 825static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
 826{
 827        struct pcxhr_stream *stream;
 828        struct snd_pcm_substream *s;
 829        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
 830
 831        switch (cmd) {
 832        case SNDRV_PCM_TRIGGER_START:
 833                dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_START\n");
 834                if (snd_pcm_stream_linked(subs)) {
 835                        snd_pcm_group_for_each_entry(s, subs) {
 836                                if (snd_pcm_substream_chip(s) != chip)
 837                                        continue;
 838                                stream = s->runtime->private_data;
 839                                stream->status =
 840                                        PCXHR_STREAM_STATUS_SCHEDULE_RUN;
 841                                snd_pcm_trigger_done(s, subs);
 842                        }
 843                        pcxhr_start_linked_stream(chip->mgr);
 844                } else {
 845                        stream = subs->runtime->private_data;
 846                        dev_dbg(chip->card->dev, "Only one Substream %c %d\n",
 847                                    stream->pipe->is_capture ? 'C' : 'P',
 848                                    stream->pipe->first_audio);
 849                        if (pcxhr_set_format(stream))
 850                                return -EINVAL;
 851                        if (pcxhr_update_r_buffer(stream))
 852                                return -EINVAL;
 853
 854                        stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN;
 855                        if (pcxhr_set_stream_state(chip, stream))
 856                                return -EINVAL;
 857                        stream->status = PCXHR_STREAM_STATUS_RUNNING;
 858                }
 859                break;
 860        case SNDRV_PCM_TRIGGER_STOP:
 861                dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_STOP\n");
 862                snd_pcm_group_for_each_entry(s, subs) {
 863                        stream = s->runtime->private_data;
 864                        stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
 865                        if (pcxhr_set_stream_state(chip, stream))
 866                                return -EINVAL;
 867                        snd_pcm_trigger_done(s, subs);
 868                }
 869                break;
 870        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 871        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 872                /* TODO */
 873        default:
 874                return -EINVAL;
 875        }
 876        return 0;
 877}
 878
 879
 880static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start)
 881{
 882        struct pcxhr_rmh rmh;
 883        int err;
 884
 885        pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT);
 886        if (start) {
 887                /* last dsp time invalid */
 888                mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID;
 889                rmh.cmd[0] |= mgr->granularity;
 890        }
 891        err = pcxhr_send_msg(mgr, &rmh);
 892        if (err < 0)
 893                dev_err(&mgr->pci->dev, "error pcxhr_hardware_timer err(%x)\n",
 894                           err);
 895        return err;
 896}
 897
 898/*
 899 *  prepare callback for all pcms
 900 */
 901static int pcxhr_prepare(struct snd_pcm_substream *subs)
 902{
 903        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
 904        struct pcxhr_mgr *mgr = chip->mgr;
 905        int err = 0;
 906
 907        dev_dbg(chip->card->dev,
 908                "pcxhr_prepare : period_size(%lx) periods(%x) buffer_size(%lx)\n",
 909                    subs->runtime->period_size, subs->runtime->periods,
 910                    subs->runtime->buffer_size);
 911
 912        mutex_lock(&mgr->setup_mutex);
 913
 914        do {
 915                /* only the first stream can choose the sample rate */
 916                /* set the clock only once (first stream) */
 917                if (mgr->sample_rate != subs->runtime->rate) {
 918                        err = pcxhr_set_clock(mgr, subs->runtime->rate);
 919                        if (err)
 920                                break;
 921                        if (mgr->sample_rate == 0)
 922                                /* start the DSP-timer */
 923                                err = pcxhr_hardware_timer(mgr, 1);
 924                        mgr->sample_rate = subs->runtime->rate;
 925                }
 926        } while(0);     /* do only once (so we can use break instead of goto) */
 927
 928        mutex_unlock(&mgr->setup_mutex);
 929
 930        return err;
 931}
 932
 933
 934/*
 935 *  HW_PARAMS callback for all pcms
 936 */
 937static int pcxhr_hw_params(struct snd_pcm_substream *subs,
 938                           struct snd_pcm_hw_params *hw)
 939{
 940        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
 941        struct pcxhr_mgr *mgr = chip->mgr;
 942        struct pcxhr_stream *stream = subs->runtime->private_data;
 943
 944        mutex_lock(&mgr->setup_mutex);
 945
 946        /* set up channels */
 947        stream->channels = params_channels(hw);
 948        /* set up format for the stream */
 949        stream->format = params_format(hw);
 950
 951        mutex_unlock(&mgr->setup_mutex);
 952
 953        return 0;
 954}
 955
 956
 957/*
 958 *  CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
 959 */
 960static const struct snd_pcm_hardware pcxhr_caps =
 961{
 962        .info             = (SNDRV_PCM_INFO_MMAP |
 963                             SNDRV_PCM_INFO_INTERLEAVED |
 964                             SNDRV_PCM_INFO_MMAP_VALID |
 965                             SNDRV_PCM_INFO_SYNC_START),
 966        .formats          = (SNDRV_PCM_FMTBIT_U8 |
 967                             SNDRV_PCM_FMTBIT_S16_LE |
 968                             SNDRV_PCM_FMTBIT_S16_BE |
 969                             SNDRV_PCM_FMTBIT_S24_3LE |
 970                             SNDRV_PCM_FMTBIT_S24_3BE |
 971                             SNDRV_PCM_FMTBIT_FLOAT_LE),
 972        .rates            = (SNDRV_PCM_RATE_CONTINUOUS |
 973                             SNDRV_PCM_RATE_8000_192000),
 974        .rate_min         = 8000,
 975        .rate_max         = 192000,
 976        .channels_min     = 1,
 977        .channels_max     = 2,
 978        .buffer_bytes_max = (32*1024),
 979        /* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */
 980        .period_bytes_min = (2*PCXHR_GRANULARITY),
 981        .period_bytes_max = (16*1024),
 982        .periods_min      = 2,
 983        .periods_max      = (32*1024/PCXHR_GRANULARITY),
 984};
 985
 986
 987static int pcxhr_open(struct snd_pcm_substream *subs)
 988{
 989        struct snd_pcxhr       *chip = snd_pcm_substream_chip(subs);
 990        struct pcxhr_mgr       *mgr = chip->mgr;
 991        struct snd_pcm_runtime *runtime = subs->runtime;
 992        struct pcxhr_stream    *stream;
 993        int err;
 994
 995        mutex_lock(&mgr->setup_mutex);
 996
 997        /* copy the struct snd_pcm_hardware struct */
 998        runtime->hw = pcxhr_caps;
 999
1000        if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
1001                dev_dbg(chip->card->dev, "pcxhr_open playback chip%d subs%d\n",
1002                            chip->chip_idx, subs->number);
1003                stream = &chip->playback_stream[subs->number];
1004        } else {
1005                dev_dbg(chip->card->dev, "pcxhr_open capture chip%d subs%d\n",
1006                            chip->chip_idx, subs->number);
1007                if (mgr->mono_capture)
1008                        runtime->hw.channels_max = 1;
1009                else
1010                        runtime->hw.channels_min = 2;
1011                stream = &chip->capture_stream[subs->number];
1012        }
1013        if (stream->status != PCXHR_STREAM_STATUS_FREE){
1014                /* streams in use */
1015                dev_err(chip->card->dev, "pcxhr_open chip%d subs%d in use\n",
1016                           chip->chip_idx, subs->number);
1017                mutex_unlock(&mgr->setup_mutex);
1018                return -EBUSY;
1019        }
1020
1021        /* float format support is in some cases buggy on stereo cards */
1022        if (mgr->is_hr_stereo)
1023                runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_FLOAT_LE;
1024
1025        /* buffer-size should better be multiple of period-size */
1026        err = snd_pcm_hw_constraint_integer(runtime,
1027                                            SNDRV_PCM_HW_PARAM_PERIODS);
1028        if (err < 0) {
1029                mutex_unlock(&mgr->setup_mutex);
1030                return err;
1031        }
1032
1033        /* if a sample rate is already used or fixed by external clock,
1034         * the stream cannot change
1035         */
1036        if (mgr->sample_rate)
1037                runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
1038        else {
1039                if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
1040                        int external_rate;
1041                        if (pcxhr_get_external_clock(mgr, mgr->use_clock_type,
1042                                                     &external_rate) ||
1043                            external_rate == 0) {
1044                                /* cannot detect the external clock rate */
1045                                mutex_unlock(&mgr->setup_mutex);
1046                                return -EBUSY;
1047                        }
1048                        runtime->hw.rate_min = external_rate;
1049                        runtime->hw.rate_max = external_rate;
1050                }
1051        }
1052
1053        stream->status      = PCXHR_STREAM_STATUS_OPEN;
1054        stream->substream   = subs;
1055        stream->channels    = 0; /* not configured yet */
1056
1057        runtime->private_data = stream;
1058
1059        /* better get a divisor of granularity values (96 or 192) */
1060        snd_pcm_hw_constraint_step(runtime, 0,
1061                                   SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32);
1062        snd_pcm_hw_constraint_step(runtime, 0,
1063                                   SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 32);
1064        snd_pcm_set_sync(subs);
1065
1066        mgr->ref_count_rate++;
1067
1068        mutex_unlock(&mgr->setup_mutex);
1069        return 0;
1070}
1071
1072
1073static int pcxhr_close(struct snd_pcm_substream *subs)
1074{
1075        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
1076        struct pcxhr_mgr *mgr = chip->mgr;
1077        struct pcxhr_stream *stream = subs->runtime->private_data;
1078
1079        mutex_lock(&mgr->setup_mutex);
1080
1081        dev_dbg(chip->card->dev, "pcxhr_close chip%d subs%d\n",
1082                    chip->chip_idx, subs->number);
1083
1084        /* sample rate released */
1085        if (--mgr->ref_count_rate == 0) {
1086                mgr->sample_rate = 0;   /* the sample rate is no more locked */
1087                pcxhr_hardware_timer(mgr, 0);   /* stop the DSP-timer */
1088        }
1089
1090        stream->status    = PCXHR_STREAM_STATUS_FREE;
1091        stream->substream = NULL;
1092
1093        mutex_unlock(&mgr->setup_mutex);
1094
1095        return 0;
1096}
1097
1098
1099static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
1100{
1101        u_int32_t timer_period_frag;
1102        int timer_buf_periods;
1103        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
1104        struct snd_pcm_runtime *runtime = subs->runtime;
1105        struct pcxhr_stream *stream  = runtime->private_data;
1106
1107        mutex_lock(&chip->mgr->lock);
1108
1109        /* get the period fragment and the nb of periods in the buffer */
1110        timer_period_frag = stream->timer_period_frag;
1111        timer_buf_periods = stream->timer_buf_periods;
1112
1113        mutex_unlock(&chip->mgr->lock);
1114
1115        return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
1116                                   timer_period_frag);
1117}
1118
1119
1120static const struct snd_pcm_ops pcxhr_ops = {
1121        .open      = pcxhr_open,
1122        .close     = pcxhr_close,
1123        .prepare   = pcxhr_prepare,
1124        .hw_params = pcxhr_hw_params,
1125        .trigger   = pcxhr_trigger,
1126        .pointer   = pcxhr_stream_pointer,
1127};
1128
1129/*
1130 */
1131int pcxhr_create_pcm(struct snd_pcxhr *chip)
1132{
1133        int err;
1134        struct snd_pcm *pcm;
1135        char name[32];
1136
1137        snprintf(name, sizeof(name), "pcxhr %d", chip->chip_idx);
1138        if ((err = snd_pcm_new(chip->card, name, 0,
1139                               chip->nb_streams_play,
1140                               chip->nb_streams_capt, &pcm)) < 0) {
1141                dev_err(chip->card->dev, "cannot create pcm %s\n", name);
1142                return err;
1143        }
1144        pcm->private_data = chip;
1145
1146        if (chip->nb_streams_play)
1147                snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops);
1148        if (chip->nb_streams_capt)
1149                snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops);
1150
1151        pcm->info_flags = 0;
1152        pcm->nonatomic = true;
1153        strcpy(pcm->name, name);
1154
1155        snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1156                                       &chip->mgr->pci->dev,
1157                                       32*1024, 32*1024);
1158        chip->pcm = pcm;
1159        return 0;
1160}
1161
1162static int pcxhr_chip_free(struct snd_pcxhr *chip)
1163{
1164        kfree(chip);
1165        return 0;
1166}
1167
1168static int pcxhr_chip_dev_free(struct snd_device *device)
1169{
1170        struct snd_pcxhr *chip = device->device_data;
1171        return pcxhr_chip_free(chip);
1172}
1173
1174
1175/*
1176 */
1177static int pcxhr_create(struct pcxhr_mgr *mgr,
1178                        struct snd_card *card, int idx)
1179{
1180        int err;
1181        struct snd_pcxhr *chip;
1182        static const struct snd_device_ops ops = {
1183                .dev_free = pcxhr_chip_dev_free,
1184        };
1185
1186        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1187        if (!chip)
1188                return -ENOMEM;
1189
1190        chip->card = card;
1191        chip->chip_idx = idx;
1192        chip->mgr = mgr;
1193        card->sync_irq = mgr->irq;
1194
1195        if (idx < mgr->playback_chips)
1196                /* stereo or mono streams */
1197                chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS;
1198
1199        if (idx < mgr->capture_chips) {
1200                if (mgr->mono_capture)
1201                        chip->nb_streams_capt = 2;      /* 2 mono streams */
1202                else
1203                        chip->nb_streams_capt = 1;      /* or 1 stereo stream */
1204        }
1205
1206        if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) {
1207                pcxhr_chip_free(chip);
1208                return err;
1209        }
1210
1211        mgr->chip[idx] = chip;
1212
1213        return 0;
1214}
1215
1216/* proc interface */
1217static void pcxhr_proc_info(struct snd_info_entry *entry,
1218                            struct snd_info_buffer *buffer)
1219{
1220        struct snd_pcxhr *chip = entry->private_data;
1221        struct pcxhr_mgr *mgr = chip->mgr;
1222
1223        snd_iprintf(buffer, "\n%s\n", mgr->name);
1224
1225        /* stats available when embedded DSP is running */
1226        if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1227                struct pcxhr_rmh rmh;
1228                short ver_maj = (mgr->dsp_version >> 16) & 0xff;
1229                short ver_min = (mgr->dsp_version >> 8) & 0xff;
1230                short ver_build = mgr->dsp_version & 0xff;
1231                snd_iprintf(buffer, "module version %s\n",
1232                            PCXHR_DRIVER_VERSION_STRING);
1233                snd_iprintf(buffer, "dsp version %d.%d.%d\n",
1234                            ver_maj, ver_min, ver_build);
1235                if (mgr->board_has_analog)
1236                        snd_iprintf(buffer, "analog io available\n");
1237                else
1238                        snd_iprintf(buffer, "digital only board\n");
1239
1240                /* calc cpu load of the dsp */
1241                pcxhr_init_rmh(&rmh, CMD_GET_DSP_RESOURCES);
1242                if( ! pcxhr_send_msg(mgr, &rmh) ) {
1243                        int cur = rmh.stat[0];
1244                        int ref = rmh.stat[1];
1245                        if (ref > 0) {
1246                                if (mgr->sample_rate_real != 0 &&
1247                                    mgr->sample_rate_real != 48000) {
1248                                        ref = (ref * 48000) /
1249                                          mgr->sample_rate_real;
1250                                        if (mgr->sample_rate_real >=
1251                                            PCXHR_IRQ_TIMER_FREQ)
1252                                                ref *= 2;
1253                                }
1254                                cur = 100 - (100 * cur) / ref;
1255                                snd_iprintf(buffer, "cpu load    %d%%\n", cur);
1256                                snd_iprintf(buffer, "buffer pool %d/%d\n",
1257                                            rmh.stat[2], rmh.stat[3]);
1258                        }
1259                }
1260                snd_iprintf(buffer, "dma granularity : %d\n",
1261                            mgr->granularity);
1262                snd_iprintf(buffer, "dsp time errors : %d\n",
1263                            mgr->dsp_time_err);
1264                snd_iprintf(buffer, "dsp async pipe xrun errors : %d\n",
1265                            mgr->async_err_pipe_xrun);
1266                snd_iprintf(buffer, "dsp async stream xrun errors : %d\n",
1267                            mgr->async_err_stream_xrun);
1268                snd_iprintf(buffer, "dsp async last other error : %x\n",
1269                            mgr->async_err_other_last);
1270                /* debug zone dsp */
1271                rmh.cmd[0] = 0x4200 + PCXHR_SIZE_MAX_STATUS;
1272                rmh.cmd_len = 1;
1273                rmh.stat_len = PCXHR_SIZE_MAX_STATUS;
1274                rmh.dsp_stat = 0;
1275                rmh.cmd_idx = CMD_LAST_INDEX;
1276                if( ! pcxhr_send_msg(mgr, &rmh) ) {
1277                        int i;
1278                        if (rmh.stat_len > 8)
1279                                rmh.stat_len = 8;
1280                        for (i = 0; i < rmh.stat_len; i++)
1281                                snd_iprintf(buffer, "debug[%02d] = %06x\n",
1282                                            i,  rmh.stat[i]);
1283                }
1284        } else
1285                snd_iprintf(buffer, "no firmware loaded\n");
1286        snd_iprintf(buffer, "\n");
1287}
1288static void pcxhr_proc_sync(struct snd_info_entry *entry,
1289                            struct snd_info_buffer *buffer)
1290{
1291        struct snd_pcxhr *chip = entry->private_data;
1292        struct pcxhr_mgr *mgr = chip->mgr;
1293        static const char *textsHR22[3] = {
1294                "Internal", "AES Sync", "AES 1"
1295        };
1296        static const char *textsPCXHR[7] = {
1297                "Internal", "Word", "AES Sync",
1298                "AES 1", "AES 2", "AES 3", "AES 4"
1299        };
1300        const char **texts;
1301        int max_clock;
1302        if (mgr->is_hr_stereo) {
1303                texts = textsHR22;
1304                max_clock = HR22_CLOCK_TYPE_MAX;
1305        } else {
1306                texts = textsPCXHR;
1307                max_clock = PCXHR_CLOCK_TYPE_MAX;
1308        }
1309
1310        snd_iprintf(buffer, "\n%s\n", mgr->name);
1311        snd_iprintf(buffer, "Current Sample Clock\t: %s\n",
1312                    texts[mgr->cur_clock_type]);
1313        snd_iprintf(buffer, "Current Sample Rate\t= %d\n",
1314                    mgr->sample_rate_real);
1315        /* commands available when embedded DSP is running */
1316        if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1317                int i, err, sample_rate;
1318                for (i = 1; i <= max_clock; i++) {
1319                        err = pcxhr_get_external_clock(mgr, i, &sample_rate);
1320                        if (err)
1321                                break;
1322                        snd_iprintf(buffer, "%s Clock\t\t= %d\n",
1323                                    texts[i], sample_rate);
1324                }
1325        } else
1326                snd_iprintf(buffer, "no firmware loaded\n");
1327        snd_iprintf(buffer, "\n");
1328}
1329
1330static void pcxhr_proc_gpio_read(struct snd_info_entry *entry,
1331                                 struct snd_info_buffer *buffer)
1332{
1333        struct snd_pcxhr *chip = entry->private_data;
1334        struct pcxhr_mgr *mgr = chip->mgr;
1335        /* commands available when embedded DSP is running */
1336        if (mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)) {
1337                /* gpio ports on stereo boards only available */
1338                int value = 0;
1339                hr222_read_gpio(mgr, 1, &value);        /* GPI */
1340                snd_iprintf(buffer, "GPI: 0x%x\n", value);
1341                hr222_read_gpio(mgr, 0, &value);        /* GP0 */
1342                snd_iprintf(buffer, "GPO: 0x%x\n", value);
1343        } else
1344                snd_iprintf(buffer, "no firmware loaded\n");
1345        snd_iprintf(buffer, "\n");
1346}
1347static void pcxhr_proc_gpo_write(struct snd_info_entry *entry,
1348                                 struct snd_info_buffer *buffer)
1349{
1350        struct snd_pcxhr *chip = entry->private_data;
1351        struct pcxhr_mgr *mgr = chip->mgr;
1352        char line[64];
1353        int value;
1354        /* commands available when embedded DSP is running */
1355        if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX)))
1356                return;
1357        while (!snd_info_get_line(buffer, line, sizeof(line))) {
1358                if (sscanf(line, "GPO: 0x%x", &value) != 1)
1359                        continue;
1360                hr222_write_gpo(mgr, value);    /* GP0 */
1361        }
1362}
1363
1364/* Access to the results of the CMD_GET_TIME_CODE RMH */
1365#define TIME_CODE_VALID_MASK    0x00800000
1366#define TIME_CODE_NEW_MASK      0x00400000
1367#define TIME_CODE_BACK_MASK     0x00200000
1368#define TIME_CODE_WAIT_MASK     0x00100000
1369
1370/* Values for the CMD_MANAGE_SIGNAL RMH */
1371#define MANAGE_SIGNAL_TIME_CODE 0x01
1372#define MANAGE_SIGNAL_MIDI      0x02
1373
1374/* linear time code read proc*/
1375static void pcxhr_proc_ltc(struct snd_info_entry *entry,
1376                           struct snd_info_buffer *buffer)
1377{
1378        struct snd_pcxhr *chip = entry->private_data;
1379        struct pcxhr_mgr *mgr = chip->mgr;
1380        struct pcxhr_rmh rmh;
1381        unsigned int ltcHrs, ltcMin, ltcSec, ltcFrm;
1382        int err;
1383        /* commands available when embedded DSP is running */
1384        if (!(mgr->dsp_loaded & (1 << PCXHR_FIRMWARE_DSP_MAIN_INDEX))) {
1385                snd_iprintf(buffer, "no firmware loaded\n");
1386                return;
1387        }
1388        if (!mgr->capture_ltc) {
1389                pcxhr_init_rmh(&rmh, CMD_MANAGE_SIGNAL);
1390                rmh.cmd[0] |= MANAGE_SIGNAL_TIME_CODE;
1391                err = pcxhr_send_msg(mgr, &rmh);
1392                if (err) {
1393                        snd_iprintf(buffer, "ltc not activated (%d)\n", err);
1394                        return;
1395                }
1396                if (mgr->is_hr_stereo)
1397                        hr222_manage_timecode(mgr, 1);
1398                else
1399                        pcxhr_write_io_num_reg_cont(mgr, REG_CONT_VALSMPTE,
1400                                                    REG_CONT_VALSMPTE, NULL);
1401                mgr->capture_ltc = 1;
1402        }
1403        pcxhr_init_rmh(&rmh, CMD_GET_TIME_CODE);
1404        err = pcxhr_send_msg(mgr, &rmh);
1405        if (err) {
1406                snd_iprintf(buffer, "ltc read error (err=%d)\n", err);
1407                return ;
1408        }
1409        ltcHrs = 10*((rmh.stat[0] >> 8) & 0x3) + (rmh.stat[0] & 0xf);
1410        ltcMin = 10*((rmh.stat[1] >> 16) & 0x7) + ((rmh.stat[1] >> 8) & 0xf);
1411        ltcSec = 10*(rmh.stat[1] & 0x7) + ((rmh.stat[2] >> 16) & 0xf);
1412        ltcFrm = 10*((rmh.stat[2] >> 8) & 0x3) + (rmh.stat[2] & 0xf);
1413
1414        snd_iprintf(buffer, "timecode: %02u:%02u:%02u-%02u\n",
1415                            ltcHrs, ltcMin, ltcSec, ltcFrm);
1416        snd_iprintf(buffer, "raw: 0x%04x%06x%06x\n", rmh.stat[0] & 0x00ffff,
1417                            rmh.stat[1] & 0xffffff, rmh.stat[2] & 0xffffff);
1418        /*snd_iprintf(buffer, "dsp ref time: 0x%06x%06x\n",
1419                            rmh.stat[3] & 0xffffff, rmh.stat[4] & 0xffffff);*/
1420        if (!(rmh.stat[0] & TIME_CODE_VALID_MASK)) {
1421                snd_iprintf(buffer, "warning: linear timecode not valid\n");
1422        }
1423}
1424
1425static void pcxhr_proc_init(struct snd_pcxhr *chip)
1426{
1427        snd_card_ro_proc_new(chip->card, "info", chip, pcxhr_proc_info);
1428        snd_card_ro_proc_new(chip->card, "sync", chip, pcxhr_proc_sync);
1429        /* gpio available on stereo sound cards only */
1430        if (chip->mgr->is_hr_stereo)
1431                snd_card_rw_proc_new(chip->card, "gpio", chip,
1432                                     pcxhr_proc_gpio_read,
1433                                     pcxhr_proc_gpo_write);
1434        snd_card_ro_proc_new(chip->card, "ltc", chip, pcxhr_proc_ltc);
1435}
1436/* end of proc interface */
1437
1438/*
1439 * release all the cards assigned to a manager instance
1440 */
1441static int pcxhr_free(struct pcxhr_mgr *mgr)
1442{
1443        unsigned int i;
1444
1445        for (i = 0; i < mgr->num_cards; i++) {
1446                if (mgr->chip[i])
1447                        snd_card_free(mgr->chip[i]->card);
1448        }
1449
1450        /* reset board if some firmware was loaded */
1451        if(mgr->dsp_loaded) {
1452                pcxhr_reset_board(mgr);
1453                dev_dbg(&mgr->pci->dev, "reset pcxhr !\n");
1454        }
1455
1456        /* release irq  */
1457        if (mgr->irq >= 0)
1458                free_irq(mgr->irq, mgr);
1459
1460        pci_release_regions(mgr->pci);
1461
1462        /* free hostport purgebuffer */
1463        if (mgr->hostport.area) {
1464                snd_dma_free_pages(&mgr->hostport);
1465                mgr->hostport.area = NULL;
1466        }
1467
1468        kfree(mgr->prmh);
1469
1470        pci_disable_device(mgr->pci);
1471        kfree(mgr);
1472        return 0;
1473}
1474
1475/*
1476 *    probe function - creates the card manager
1477 */
1478static int pcxhr_probe(struct pci_dev *pci,
1479                       const struct pci_device_id *pci_id)
1480{
1481        static int dev;
1482        struct pcxhr_mgr *mgr;
1483        unsigned int i;
1484        int err;
1485        size_t size;
1486        char *card_name;
1487
1488        if (dev >= SNDRV_CARDS)
1489                return -ENODEV;
1490        if (! enable[dev]) {
1491                dev++;
1492                return -ENOENT;
1493        }
1494
1495        /* enable PCI device */
1496        if ((err = pci_enable_device(pci)) < 0)
1497                return err;
1498        pci_set_master(pci);
1499
1500        /* check if we can restrict PCI DMA transfers to 32 bits */
1501        if (dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) {
1502                dev_err(&pci->dev,
1503                        "architecture does not support 32bit PCI busmaster DMA\n");
1504                pci_disable_device(pci);
1505                return -ENXIO;
1506        }
1507
1508        /* alloc card manager */
1509        mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
1510        if (! mgr) {
1511                pci_disable_device(pci);
1512                return -ENOMEM;
1513        }
1514
1515        if (snd_BUG_ON(pci_id->driver_data >= PCI_ID_LAST)) {
1516                kfree(mgr);
1517                pci_disable_device(pci);
1518                return -ENODEV;
1519        }
1520        card_name =
1521                pcxhr_board_params[pci_id->driver_data].board_name;
1522        mgr->playback_chips =
1523                pcxhr_board_params[pci_id->driver_data].playback_chips;
1524        mgr->capture_chips  =
1525                pcxhr_board_params[pci_id->driver_data].capture_chips;
1526        mgr->fw_file_set =
1527                pcxhr_board_params[pci_id->driver_data].fw_file_set;
1528        mgr->firmware_num  =
1529                pcxhr_board_params[pci_id->driver_data].firmware_num;
1530        mgr->mono_capture = mono[dev];
1531        mgr->is_hr_stereo = (mgr->playback_chips == 1);
1532        mgr->board_has_aes1 = PCXHR_BOARD_HAS_AES1(mgr);
1533        mgr->board_aes_in_192k = !PCXHR_BOARD_AESIN_NO_192K(mgr);
1534
1535        if (mgr->is_hr_stereo)
1536                mgr->granularity = PCXHR_GRANULARITY_HR22;
1537        else
1538                mgr->granularity = PCXHR_GRANULARITY;
1539
1540        /* resource assignment */
1541        if ((err = pci_request_regions(pci, card_name)) < 0) {
1542                kfree(mgr);
1543                pci_disable_device(pci);
1544                return err;
1545        }
1546        for (i = 0; i < 3; i++)
1547                mgr->port[i] = pci_resource_start(pci, i);
1548
1549        mgr->pci = pci;
1550        mgr->irq = -1;
1551
1552        if (request_threaded_irq(pci->irq, pcxhr_interrupt,
1553                                 pcxhr_threaded_irq, IRQF_SHARED,
1554                                 KBUILD_MODNAME, mgr)) {
1555                dev_err(&pci->dev, "unable to grab IRQ %d\n", pci->irq);
1556                pcxhr_free(mgr);
1557                return -EBUSY;
1558        }
1559        mgr->irq = pci->irq;
1560
1561        snprintf(mgr->name, sizeof(mgr->name),
1562                 "Digigram at 0x%lx & 0x%lx, 0x%lx irq %i",
1563                 mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq);
1564
1565        /* ISR lock  */
1566        mutex_init(&mgr->lock);
1567        mutex_init(&mgr->msg_lock);
1568
1569        /* init setup mutex*/
1570        mutex_init(&mgr->setup_mutex);
1571
1572        mgr->prmh = kmalloc(sizeof(*mgr->prmh) + 
1573                            sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS -
1574                                           PCXHR_SIZE_MAX_STATUS),
1575                            GFP_KERNEL);
1576        if (! mgr->prmh) {
1577                pcxhr_free(mgr);
1578                return -ENOMEM;
1579        }
1580
1581        for (i=0; i < PCXHR_MAX_CARDS; i++) {
1582                struct snd_card *card;
1583                char tmpid[16];
1584                int idx;
1585
1586                if (i >= max(mgr->playback_chips, mgr->capture_chips))
1587                        break;
1588                mgr->num_cards++;
1589
1590                if (index[dev] < 0)
1591                        idx = index[dev];
1592                else
1593                        idx = index[dev] + i;
1594
1595                snprintf(tmpid, sizeof(tmpid), "%s-%d",
1596                         id[dev] ? id[dev] : card_name, i);
1597                err = snd_card_new(&pci->dev, idx, tmpid, THIS_MODULE,
1598                                   0, &card);
1599
1600                if (err < 0) {
1601                        dev_err(&pci->dev, "cannot allocate the card %d\n", i);
1602                        pcxhr_free(mgr);
1603                        return err;
1604                }
1605
1606                strcpy(card->driver, DRIVER_NAME);
1607                snprintf(card->shortname, sizeof(card->shortname),
1608                         "Digigram [PCM #%d]", i);
1609                snprintf(card->longname, sizeof(card->longname),
1610                         "%s [PCM #%d]", mgr->name, i);
1611
1612                if ((err = pcxhr_create(mgr, card, i)) < 0) {
1613                        snd_card_free(card);
1614                        pcxhr_free(mgr);
1615                        return err;
1616                }
1617
1618                if (i == 0)
1619                        /* init proc interface only for chip0 */
1620                        pcxhr_proc_init(mgr->chip[i]);
1621
1622                if ((err = snd_card_register(card)) < 0) {
1623                        pcxhr_free(mgr);
1624                        return err;
1625                }
1626        }
1627
1628        /* create hostport purgebuffer */
1629        size = PAGE_ALIGN(sizeof(struct pcxhr_hostport));
1630        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
1631                                size, &mgr->hostport) < 0) {
1632                pcxhr_free(mgr);
1633                return -ENOMEM;
1634        }
1635        /* init purgebuffer */
1636        memset(mgr->hostport.area, 0, size);
1637
1638        /* create a DSP loader */
1639        err = pcxhr_setup_firmware(mgr);
1640        if (err < 0) {
1641                pcxhr_free(mgr);
1642                return err;
1643        }
1644
1645        pci_set_drvdata(pci, mgr);
1646        dev++;
1647        return 0;
1648}
1649
1650static void pcxhr_remove(struct pci_dev *pci)
1651{
1652        pcxhr_free(pci_get_drvdata(pci));
1653}
1654
1655static struct pci_driver pcxhr_driver = {
1656        .name = KBUILD_MODNAME,
1657        .id_table = pcxhr_ids,
1658        .probe = pcxhr_probe,
1659        .remove = pcxhr_remove,
1660};
1661
1662module_pci_driver(pcxhr_driver);
1663