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");
  38
  39static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  40static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  41static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;/* Enable this card */
  42static bool mono[SNDRV_CARDS];                          /* capture  mono only */
  43
  44module_param_array(index, int, NULL, 0444);
  45MODULE_PARM_DESC(index, "Index value for Digigram " DRIVER_NAME " soundcard");
  46module_param_array(id, charp, NULL, 0444);
  47MODULE_PARM_DESC(id, "ID string for Digigram " DRIVER_NAME " soundcard");
  48module_param_array(enable, bool, NULL, 0444);
  49MODULE_PARM_DESC(enable, "Enable Digigram " DRIVER_NAME " soundcard");
  50module_param_array(mono, bool, NULL, 0444);
  51MODULE_PARM_DESC(mono, "Mono capture mode (default is stereo)");
  52
  53enum {
  54        PCI_ID_VX882HR,
  55        PCI_ID_PCX882HR,
  56        PCI_ID_VX881HR,
  57        PCI_ID_PCX881HR,
  58        PCI_ID_VX882E,
  59        PCI_ID_PCX882E,
  60        PCI_ID_VX881E,
  61        PCI_ID_PCX881E,
  62        PCI_ID_VX1222HR,
  63        PCI_ID_PCX1222HR,
  64        PCI_ID_VX1221HR,
  65        PCI_ID_PCX1221HR,
  66        PCI_ID_VX1222E,
  67        PCI_ID_PCX1222E,
  68        PCI_ID_VX1221E,
  69        PCI_ID_PCX1221E,
  70        PCI_ID_VX222HR,
  71        PCI_ID_VX222E,
  72        PCI_ID_PCX22HR,
  73        PCI_ID_PCX22E,
  74        PCI_ID_VX222HRMIC,
  75        PCI_ID_VX222E_MIC,
  76        PCI_ID_PCX924HR,
  77        PCI_ID_PCX924E,
  78        PCI_ID_PCX924HRMIC,
  79        PCI_ID_PCX924E_MIC,
  80        PCI_ID_VX442HR,
  81        PCI_ID_PCX442HR,
  82        PCI_ID_VX442E,
  83        PCI_ID_PCX442E,
  84        PCI_ID_VX822HR,
  85        PCI_ID_PCX822HR,
  86        PCI_ID_VX822E,
  87        PCI_ID_PCX822E,
  88        PCI_ID_LAST
  89};
  90
  91static const struct pci_device_id pcxhr_ids[] = {
  92        { 0x10b5, 0x9656, 0x1369, 0xb001, 0, 0, PCI_ID_VX882HR, },
  93        { 0x10b5, 0x9656, 0x1369, 0xb101, 0, 0, PCI_ID_PCX882HR, },
  94        { 0x10b5, 0x9656, 0x1369, 0xb201, 0, 0, PCI_ID_VX881HR, },
  95        { 0x10b5, 0x9656, 0x1369, 0xb301, 0, 0, PCI_ID_PCX881HR, },
  96        { 0x10b5, 0x9056, 0x1369, 0xb021, 0, 0, PCI_ID_VX882E, },
  97        { 0x10b5, 0x9056, 0x1369, 0xb121, 0, 0, PCI_ID_PCX882E, },
  98        { 0x10b5, 0x9056, 0x1369, 0xb221, 0, 0, PCI_ID_VX881E, },
  99        { 0x10b5, 0x9056, 0x1369, 0xb321, 0, 0, PCI_ID_PCX881E, },
 100        { 0x10b5, 0x9656, 0x1369, 0xb401, 0, 0, PCI_ID_VX1222HR, },
 101        { 0x10b5, 0x9656, 0x1369, 0xb501, 0, 0, PCI_ID_PCX1222HR, },
 102        { 0x10b5, 0x9656, 0x1369, 0xb601, 0, 0, PCI_ID_VX1221HR, },
 103        { 0x10b5, 0x9656, 0x1369, 0xb701, 0, 0, PCI_ID_PCX1221HR, },
 104        { 0x10b5, 0x9056, 0x1369, 0xb421, 0, 0, PCI_ID_VX1222E, },
 105        { 0x10b5, 0x9056, 0x1369, 0xb521, 0, 0, PCI_ID_PCX1222E, },
 106        { 0x10b5, 0x9056, 0x1369, 0xb621, 0, 0, PCI_ID_VX1221E, },
 107        { 0x10b5, 0x9056, 0x1369, 0xb721, 0, 0, PCI_ID_PCX1221E, },
 108        { 0x10b5, 0x9056, 0x1369, 0xba01, 0, 0, PCI_ID_VX222HR, },
 109        { 0x10b5, 0x9056, 0x1369, 0xba21, 0, 0, PCI_ID_VX222E, },
 110        { 0x10b5, 0x9056, 0x1369, 0xbd01, 0, 0, PCI_ID_PCX22HR, },
 111        { 0x10b5, 0x9056, 0x1369, 0xbd21, 0, 0, PCI_ID_PCX22E, },
 112        { 0x10b5, 0x9056, 0x1369, 0xbc01, 0, 0, PCI_ID_VX222HRMIC, },
 113        { 0x10b5, 0x9056, 0x1369, 0xbc21, 0, 0, PCI_ID_VX222E_MIC, },
 114        { 0x10b5, 0x9056, 0x1369, 0xbb01, 0, 0, PCI_ID_PCX924HR, },
 115        { 0x10b5, 0x9056, 0x1369, 0xbb21, 0, 0, PCI_ID_PCX924E, },
 116        { 0x10b5, 0x9056, 0x1369, 0xbf01, 0, 0, PCI_ID_PCX924HRMIC, },
 117        { 0x10b5, 0x9056, 0x1369, 0xbf21, 0, 0, PCI_ID_PCX924E_MIC, },
 118        { 0x10b5, 0x9656, 0x1369, 0xd001, 0, 0, PCI_ID_VX442HR, },
 119        { 0x10b5, 0x9656, 0x1369, 0xd101, 0, 0, PCI_ID_PCX442HR, },
 120        { 0x10b5, 0x9056, 0x1369, 0xd021, 0, 0, PCI_ID_VX442E, },
 121        { 0x10b5, 0x9056, 0x1369, 0xd121, 0, 0, PCI_ID_PCX442E, },
 122        { 0x10b5, 0x9656, 0x1369, 0xd201, 0, 0, PCI_ID_VX822HR, },
 123        { 0x10b5, 0x9656, 0x1369, 0xd301, 0, 0, PCI_ID_PCX822HR, },
 124        { 0x10b5, 0x9056, 0x1369, 0xd221, 0, 0, PCI_ID_VX822E, },
 125        { 0x10b5, 0x9056, 0x1369, 0xd321, 0, 0, PCI_ID_PCX822E, },
 126        { 0, }
 127};
 128
 129MODULE_DEVICE_TABLE(pci, pcxhr_ids);
 130
 131struct board_parameters {
 132        char* board_name;
 133        short playback_chips;
 134        short capture_chips;
 135        short fw_file_set;
 136        short firmware_num;
 137};
 138static const struct board_parameters pcxhr_board_params[] = {
 139[PCI_ID_VX882HR] =      { "VX882HR",      4, 4, 0, 41 },
 140[PCI_ID_PCX882HR] =     { "PCX882HR",     4, 4, 0, 41 },
 141[PCI_ID_VX881HR] =      { "VX881HR",      4, 4, 0, 41 },
 142[PCI_ID_PCX881HR] =     { "PCX881HR",     4, 4, 0, 41 },
 143[PCI_ID_VX882E] =       { "VX882e",       4, 4, 1, 41 },
 144[PCI_ID_PCX882E] =      { "PCX882e",      4, 4, 1, 41 },
 145[PCI_ID_VX881E] =       { "VX881e",       4, 4, 1, 41 },
 146[PCI_ID_PCX881E] =      { "PCX881e",      4, 4, 1, 41 },
 147[PCI_ID_VX1222HR] =     { "VX1222HR",     6, 1, 2, 42 },
 148[PCI_ID_PCX1222HR] =    { "PCX1222HR",    6, 1, 2, 42 },
 149[PCI_ID_VX1221HR] =     { "VX1221HR",     6, 1, 2, 42 },
 150[PCI_ID_PCX1221HR] =    { "PCX1221HR",    6, 1, 2, 42 },
 151[PCI_ID_VX1222E] =      { "VX1222e",      6, 1, 3, 42 },
 152[PCI_ID_PCX1222E] =     { "PCX1222e",     6, 1, 3, 42 },
 153[PCI_ID_VX1221E] =      { "VX1221e",      6, 1, 3, 42 },
 154[PCI_ID_PCX1221E] =     { "PCX1221e",     6, 1, 3, 42 },
 155[PCI_ID_VX222HR] =      { "VX222HR",      1, 1, 4, 44 },
 156[PCI_ID_VX222E] =       { "VX222e",       1, 1, 4, 44 },
 157[PCI_ID_PCX22HR] =      { "PCX22HR",      1, 0, 4, 44 },
 158[PCI_ID_PCX22E] =       { "PCX22e",       1, 0, 4, 44 },
 159[PCI_ID_VX222HRMIC] =   { "VX222HR-Mic",  1, 1, 5, 44 },
 160[PCI_ID_VX222E_MIC] =   { "VX222e-Mic",   1, 1, 5, 44 },
 161[PCI_ID_PCX924HR] =     { "PCX924HR",     1, 1, 5, 44 },
 162[PCI_ID_PCX924E] =      { "PCX924e",      1, 1, 5, 44 },
 163[PCI_ID_PCX924HRMIC] =  { "PCX924HR-Mic", 1, 1, 5, 44 },
 164[PCI_ID_PCX924E_MIC] =  { "PCX924e-Mic",  1, 1, 5, 44 },
 165[PCI_ID_VX442HR] =      { "VX442HR",      2, 2, 0, 41 },
 166[PCI_ID_PCX442HR] =     { "PCX442HR",     2, 2, 0, 41 },
 167[PCI_ID_VX442E] =       { "VX442e",       2, 2, 1, 41 },
 168[PCI_ID_PCX442E] =      { "PCX442e",      2, 2, 1, 41 },
 169[PCI_ID_VX822HR] =      { "VX822HR",      4, 1, 2, 42 },
 170[PCI_ID_PCX822HR] =     { "PCX822HR",     4, 1, 2, 42 },
 171[PCI_ID_VX822E] =       { "VX822e",       4, 1, 3, 42 },
 172[PCI_ID_PCX822E] =      { "PCX822e",      4, 1, 3, 42 },
 173};
 174
 175/* boards without hw AES1 and SRC onboard are all using fw_file_set==4 */
 176/* VX222HR, VX222e, PCX22HR and PCX22e */
 177#define PCXHR_BOARD_HAS_AES1(x) (x->fw_file_set != 4)
 178/* some boards do not support 192kHz on digital AES input plugs */
 179#define PCXHR_BOARD_AESIN_NO_192K(x) ((x->capture_chips == 0) || \
 180                                      (x->fw_file_set == 0)   || \
 181                                      (x->fw_file_set == 2))
 182
 183static int pcxhr_pll_freq_register(unsigned int freq, unsigned int* pllreg,
 184                                   unsigned int* realfreq)
 185{
 186        unsigned int reg;
 187
 188        if (freq < 6900 || freq > 110000)
 189                return -EINVAL;
 190        reg = (28224000 * 2) / freq;
 191        reg = (reg - 1) / 2;
 192        if (reg < 0x200)
 193                *pllreg = reg + 0x800;
 194        else if (reg < 0x400)
 195                *pllreg = reg & 0x1ff;
 196        else if (reg < 0x800) {
 197                *pllreg = ((reg >> 1) & 0x1ff) + 0x200;
 198                reg &= ~1;
 199        } else {
 200                *pllreg = ((reg >> 2) & 0x1ff) + 0x400;
 201                reg &= ~3;
 202        }
 203        if (realfreq)
 204                *realfreq = (28224000 / (reg + 1));
 205        return 0;
 206}
 207
 208
 209#define PCXHR_FREQ_REG_MASK             0x1f
 210#define PCXHR_FREQ_QUARTZ_48000         0x00
 211#define PCXHR_FREQ_QUARTZ_24000         0x01
 212#define PCXHR_FREQ_QUARTZ_12000         0x09
 213#define PCXHR_FREQ_QUARTZ_32000         0x08
 214#define PCXHR_FREQ_QUARTZ_16000         0x04
 215#define PCXHR_FREQ_QUARTZ_8000          0x0c
 216#define PCXHR_FREQ_QUARTZ_44100         0x02
 217#define PCXHR_FREQ_QUARTZ_22050         0x0a
 218#define PCXHR_FREQ_QUARTZ_11025         0x06
 219#define PCXHR_FREQ_PLL                  0x05
 220#define PCXHR_FREQ_QUARTZ_192000        0x10
 221#define PCXHR_FREQ_QUARTZ_96000         0x18
 222#define PCXHR_FREQ_QUARTZ_176400        0x14
 223#define PCXHR_FREQ_QUARTZ_88200         0x1c
 224#define PCXHR_FREQ_QUARTZ_128000        0x12
 225#define PCXHR_FREQ_QUARTZ_64000         0x1a
 226
 227#define PCXHR_FREQ_WORD_CLOCK           0x0f
 228#define PCXHR_FREQ_SYNC_AES             0x0e
 229#define PCXHR_FREQ_AES_1                0x07
 230#define PCXHR_FREQ_AES_2                0x0b
 231#define PCXHR_FREQ_AES_3                0x03
 232#define PCXHR_FREQ_AES_4                0x0d
 233
 234static int pcxhr_get_clock_reg(struct pcxhr_mgr *mgr, unsigned int rate,
 235                               unsigned int *reg, unsigned int *freq)
 236{
 237        unsigned int val, realfreq, pllreg;
 238        struct pcxhr_rmh rmh;
 239        int err;
 240
 241        realfreq = rate;
 242        switch (mgr->use_clock_type) {
 243        case PCXHR_CLOCK_TYPE_INTERNAL :        /* clock by quartz or pll */
 244                switch (rate) {
 245                case 48000 :    val = PCXHR_FREQ_QUARTZ_48000;  break;
 246                case 24000 :    val = PCXHR_FREQ_QUARTZ_24000;  break;
 247                case 12000 :    val = PCXHR_FREQ_QUARTZ_12000;  break;
 248                case 32000 :    val = PCXHR_FREQ_QUARTZ_32000;  break;
 249                case 16000 :    val = PCXHR_FREQ_QUARTZ_16000;  break;
 250                case 8000 :     val = PCXHR_FREQ_QUARTZ_8000;   break;
 251                case 44100 :    val = PCXHR_FREQ_QUARTZ_44100;  break;
 252                case 22050 :    val = PCXHR_FREQ_QUARTZ_22050;  break;
 253                case 11025 :    val = PCXHR_FREQ_QUARTZ_11025;  break;
 254                case 192000 :   val = PCXHR_FREQ_QUARTZ_192000; break;
 255                case 96000 :    val = PCXHR_FREQ_QUARTZ_96000;  break;
 256                case 176400 :   val = PCXHR_FREQ_QUARTZ_176400; break;
 257                case 88200 :    val = PCXHR_FREQ_QUARTZ_88200;  break;
 258                case 128000 :   val = PCXHR_FREQ_QUARTZ_128000; break;
 259                case 64000 :    val = PCXHR_FREQ_QUARTZ_64000;  break;
 260                default :
 261                        val = PCXHR_FREQ_PLL;
 262                        /* get the value for the pll register */
 263                        err = pcxhr_pll_freq_register(rate, &pllreg, &realfreq);
 264                        if (err)
 265                                return err;
 266                        pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
 267                        rmh.cmd[0] |= IO_NUM_REG_GENCLK;
 268                        rmh.cmd[1]  = pllreg & MASK_DSP_WORD;
 269                        rmh.cmd[2]  = pllreg >> 24;
 270                        rmh.cmd_len = 3;
 271                        err = pcxhr_send_msg(mgr, &rmh);
 272                        if (err < 0) {
 273                                dev_err(&mgr->pci->dev,
 274                                           "error CMD_ACCESS_IO_WRITE "
 275                                           "for PLL register : %x!\n", err);
 276                                return err;
 277                        }
 278                }
 279                break;
 280        case PCXHR_CLOCK_TYPE_WORD_CLOCK:
 281                val = PCXHR_FREQ_WORD_CLOCK;
 282                break;
 283        case PCXHR_CLOCK_TYPE_AES_SYNC:
 284                val = PCXHR_FREQ_SYNC_AES;
 285                break;
 286        case PCXHR_CLOCK_TYPE_AES_1:
 287                val = PCXHR_FREQ_AES_1;
 288                break;
 289        case PCXHR_CLOCK_TYPE_AES_2:
 290                val = PCXHR_FREQ_AES_2;
 291                break;
 292        case PCXHR_CLOCK_TYPE_AES_3:
 293                val = PCXHR_FREQ_AES_3;
 294                break;
 295        case PCXHR_CLOCK_TYPE_AES_4:
 296                val = PCXHR_FREQ_AES_4;
 297                break;
 298        default:
 299                return -EINVAL;
 300        }
 301        *reg = val;
 302        *freq = realfreq;
 303        return 0;
 304}
 305
 306
 307static int pcxhr_sub_set_clock(struct pcxhr_mgr *mgr,
 308                               unsigned int rate,
 309                               int *changed)
 310{
 311        unsigned int val, realfreq, speed;
 312        struct pcxhr_rmh rmh;
 313        int err;
 314
 315        err = pcxhr_get_clock_reg(mgr, rate, &val, &realfreq);
 316        if (err)
 317                return err;
 318
 319        /* codec speed modes */
 320        if (rate < 55000)
 321                speed = 0;      /* single speed */
 322        else if (rate < 100000)
 323                speed = 1;      /* dual speed */
 324        else
 325                speed = 2;      /* quad speed */
 326        if (mgr->codec_speed != speed) {
 327                pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* mute outputs */
 328                rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
 329                if (DSP_EXT_CMD_SET(mgr)) {
 330                        rmh.cmd[1]  = 1;
 331                        rmh.cmd_len = 2;
 332                }
 333                err = pcxhr_send_msg(mgr, &rmh);
 334                if (err)
 335                        return err;
 336
 337                pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set speed ratio */
 338                rmh.cmd[0] |= IO_NUM_SPEED_RATIO;
 339                rmh.cmd[1] = speed;
 340                rmh.cmd_len = 2;
 341                err = pcxhr_send_msg(mgr, &rmh);
 342                if (err)
 343                        return err;
 344        }
 345        /* set the new frequency */
 346        dev_dbg(&mgr->pci->dev, "clock register : set %x\n", val);
 347        err = pcxhr_write_io_num_reg_cont(mgr, PCXHR_FREQ_REG_MASK,
 348                                          val, changed);
 349        if (err)
 350                return err;
 351
 352        mgr->sample_rate_real = realfreq;
 353        mgr->cur_clock_type = mgr->use_clock_type;
 354
 355        /* unmute after codec speed modes */
 356        if (mgr->codec_speed != speed) {
 357                pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ); /* unmute outputs */
 358                rmh.cmd[0] |= IO_NUM_REG_MUTE_OUT;
 359                if (DSP_EXT_CMD_SET(mgr)) {
 360                        rmh.cmd[1]  = 1;
 361                        rmh.cmd_len = 2;
 362                }
 363                err = pcxhr_send_msg(mgr, &rmh);
 364                if (err)
 365                        return err;
 366                mgr->codec_speed = speed;       /* save new codec speed */
 367        }
 368
 369        dev_dbg(&mgr->pci->dev, "%s to %dHz (realfreq=%d)\n", __func__,
 370                    rate, realfreq);
 371        return 0;
 372}
 373
 374#define PCXHR_MODIFY_CLOCK_S_BIT        0x04
 375
 376#define PCXHR_IRQ_TIMER_FREQ            92000
 377#define PCXHR_IRQ_TIMER_PERIOD          48
 378
 379int pcxhr_set_clock(struct pcxhr_mgr *mgr, unsigned int rate)
 380{
 381        struct pcxhr_rmh rmh;
 382        int err, changed;
 383
 384        if (rate == 0)
 385                return 0; /* nothing to do */
 386
 387        if (mgr->is_hr_stereo)
 388                err = hr222_sub_set_clock(mgr, rate, &changed);
 389        else
 390                err = pcxhr_sub_set_clock(mgr, rate, &changed);
 391
 392        if (err)
 393                return err;
 394
 395        if (changed) {
 396                pcxhr_init_rmh(&rmh, CMD_MODIFY_CLOCK);
 397                rmh.cmd[0] |= PCXHR_MODIFY_CLOCK_S_BIT; /* resync fifos  */
 398                if (rate < PCXHR_IRQ_TIMER_FREQ)
 399                        rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD;
 400                else
 401                        rmh.cmd[1] = PCXHR_IRQ_TIMER_PERIOD * 2;
 402                rmh.cmd[2] = rate;
 403                rmh.cmd_len = 3;
 404                err = pcxhr_send_msg(mgr, &rmh);
 405                if (err)
 406                        return err;
 407        }
 408        return 0;
 409}
 410
 411
 412static int pcxhr_sub_get_external_clock(struct pcxhr_mgr *mgr,
 413                                        enum pcxhr_clock_type clock_type,
 414                                        int *sample_rate)
 415{
 416        struct pcxhr_rmh rmh;
 417        unsigned char reg;
 418        int err, rate;
 419
 420        switch (clock_type) {
 421        case PCXHR_CLOCK_TYPE_WORD_CLOCK:
 422                reg = REG_STATUS_WORD_CLOCK;
 423                break;
 424        case PCXHR_CLOCK_TYPE_AES_SYNC:
 425                reg = REG_STATUS_AES_SYNC;
 426                break;
 427        case PCXHR_CLOCK_TYPE_AES_1:
 428                reg = REG_STATUS_AES_1;
 429                break;
 430        case PCXHR_CLOCK_TYPE_AES_2:
 431                reg = REG_STATUS_AES_2;
 432                break;
 433        case PCXHR_CLOCK_TYPE_AES_3:
 434                reg = REG_STATUS_AES_3;
 435                break;
 436        case PCXHR_CLOCK_TYPE_AES_4:
 437                reg = REG_STATUS_AES_4;
 438                break;
 439        default:
 440                return -EINVAL;
 441        }
 442        pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
 443        rmh.cmd_len = 2;
 444        rmh.cmd[0] |= IO_NUM_REG_STATUS;
 445        if (mgr->last_reg_stat != reg) {
 446                rmh.cmd[1]  = reg;
 447                err = pcxhr_send_msg(mgr, &rmh);
 448                if (err)
 449                        return err;
 450                udelay(100);    /* wait minimum 2 sample_frames at 32kHz ! */
 451                mgr->last_reg_stat = reg;
 452        }
 453        rmh.cmd[1]  = REG_STATUS_CURRENT;
 454        err = pcxhr_send_msg(mgr, &rmh);
 455        if (err)
 456                return err;
 457        switch (rmh.stat[1] & 0x0f) {
 458        case REG_STATUS_SYNC_32000 :    rate = 32000; break;
 459        case REG_STATUS_SYNC_44100 :    rate = 44100; break;
 460        case REG_STATUS_SYNC_48000 :    rate = 48000; break;
 461        case REG_STATUS_SYNC_64000 :    rate = 64000; break;
 462        case REG_STATUS_SYNC_88200 :    rate = 88200; break;
 463        case REG_STATUS_SYNC_96000 :    rate = 96000; break;
 464        case REG_STATUS_SYNC_128000 :   rate = 128000; break;
 465        case REG_STATUS_SYNC_176400 :   rate = 176400; break;
 466        case REG_STATUS_SYNC_192000 :   rate = 192000; break;
 467        default: rate = 0;
 468        }
 469        dev_dbg(&mgr->pci->dev, "External clock is at %d Hz\n", rate);
 470        *sample_rate = rate;
 471        return 0;
 472}
 473
 474
 475int pcxhr_get_external_clock(struct pcxhr_mgr *mgr,
 476                             enum pcxhr_clock_type clock_type,
 477                             int *sample_rate)
 478{
 479        if (mgr->is_hr_stereo)
 480                return hr222_get_external_clock(mgr, clock_type,
 481                                                sample_rate);
 482        else
 483                return pcxhr_sub_get_external_clock(mgr, clock_type,
 484                                                    sample_rate);
 485}
 486
 487/*
 488 *  start or stop playback/capture substream
 489 */
 490static int pcxhr_set_stream_state(struct snd_pcxhr *chip,
 491                                  struct pcxhr_stream *stream)
 492{
 493        int err;
 494        struct pcxhr_rmh rmh;
 495        int stream_mask, start;
 496
 497        if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN)
 498                start = 1;
 499        else {
 500                if (stream->status != PCXHR_STREAM_STATUS_SCHEDULE_STOP) {
 501                        dev_err(chip->card->dev,
 502                                "%s CANNOT be stopped\n", __func__);
 503                        return -EINVAL;
 504                }
 505                start = 0;
 506        }
 507        if (!stream->substream)
 508                return -EINVAL;
 509
 510        stream->timer_abs_periods = 0;
 511        stream->timer_period_frag = 0;  /* reset theoretical stream pos */
 512        stream->timer_buf_periods = 0;
 513        stream->timer_is_synced = 0;
 514
 515        stream_mask =
 516          stream->pipe->is_capture ? 1 : 1<<stream->substream->number;
 517
 518        pcxhr_init_rmh(&rmh, start ? CMD_START_STREAM : CMD_STOP_STREAM);
 519        pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture,
 520                                  stream->pipe->first_audio, 0, stream_mask);
 521
 522        chip = snd_pcm_substream_chip(stream->substream);
 523
 524        err = pcxhr_send_msg(chip->mgr, &rmh);
 525        if (err)
 526                dev_err(chip->card->dev,
 527                        "ERROR %s err=%x;\n", __func__, err);
 528        stream->status =
 529          start ? PCXHR_STREAM_STATUS_STARTED : PCXHR_STREAM_STATUS_STOPPED;
 530        return err;
 531}
 532
 533#define HEADER_FMT_BASE_LIN             0xfed00000
 534#define HEADER_FMT_BASE_FLOAT           0xfad00000
 535#define HEADER_FMT_INTEL                0x00008000
 536#define HEADER_FMT_24BITS               0x00004000
 537#define HEADER_FMT_16BITS               0x00002000
 538#define HEADER_FMT_UPTO11               0x00000200
 539#define HEADER_FMT_UPTO32               0x00000100
 540#define HEADER_FMT_MONO                 0x00000080
 541
 542static int pcxhr_set_format(struct pcxhr_stream *stream)
 543{
 544        int err, is_capture, sample_rate, stream_num;
 545        struct snd_pcxhr *chip;
 546        struct pcxhr_rmh rmh;
 547        unsigned int header;
 548
 549        chip = snd_pcm_substream_chip(stream->substream);
 550        switch (stream->format) {
 551        case SNDRV_PCM_FORMAT_U8:
 552                header = HEADER_FMT_BASE_LIN;
 553                break;
 554        case SNDRV_PCM_FORMAT_S16_LE:
 555                header = HEADER_FMT_BASE_LIN |
 556                         HEADER_FMT_16BITS | HEADER_FMT_INTEL;
 557                break;
 558        case SNDRV_PCM_FORMAT_S16_BE:
 559                header = HEADER_FMT_BASE_LIN | HEADER_FMT_16BITS;
 560                break;
 561        case SNDRV_PCM_FORMAT_S24_3LE:
 562                header = HEADER_FMT_BASE_LIN |
 563                         HEADER_FMT_24BITS | HEADER_FMT_INTEL;
 564                break;
 565        case SNDRV_PCM_FORMAT_S24_3BE:
 566                header = HEADER_FMT_BASE_LIN | HEADER_FMT_24BITS;
 567                break;
 568        case SNDRV_PCM_FORMAT_FLOAT_LE:
 569                header = HEADER_FMT_BASE_FLOAT | HEADER_FMT_INTEL;
 570                break;
 571        default:
 572                dev_err(chip->card->dev,
 573                        "error %s() : unknown format\n", __func__);
 574                return -EINVAL;
 575        }
 576
 577        sample_rate = chip->mgr->sample_rate;
 578        if (sample_rate <= 32000 && sample_rate !=0) {
 579                if (sample_rate <= 11025)
 580                        header |= HEADER_FMT_UPTO11;
 581                else
 582                        header |= HEADER_FMT_UPTO32;
 583        }
 584        if (stream->channels == 1)
 585                header |= HEADER_FMT_MONO;
 586
 587        is_capture = stream->pipe->is_capture;
 588        stream_num = is_capture ? 0 : stream->substream->number;
 589
 590        pcxhr_init_rmh(&rmh, is_capture ?
 591                       CMD_FORMAT_STREAM_IN : CMD_FORMAT_STREAM_OUT);
 592        pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio,
 593                                  stream_num, 0);
 594        if (is_capture) {
 595                /* bug with old dsp versions: */
 596                /* bit 12 also sets the format of the playback stream */
 597                if (DSP_EXT_CMD_SET(chip->mgr))
 598                        rmh.cmd[0] |= 1<<10;
 599                else
 600                        rmh.cmd[0] |= 1<<12;
 601        }
 602        rmh.cmd[1] = 0;
 603        rmh.cmd_len = 2;
 604        if (DSP_EXT_CMD_SET(chip->mgr)) {
 605                /* add channels and set bit 19 if channels>2 */
 606                rmh.cmd[1] = stream->channels;
 607                if (!is_capture) {
 608                        /* playback : add channel mask to command */
 609                        rmh.cmd[2] = (stream->channels == 1) ? 0x01 : 0x03;
 610                        rmh.cmd_len = 3;
 611                }
 612        }
 613        rmh.cmd[rmh.cmd_len++] = header >> 8;
 614        rmh.cmd[rmh.cmd_len++] = (header & 0xff) << 16;
 615        err = pcxhr_send_msg(chip->mgr, &rmh);
 616        if (err)
 617                dev_err(chip->card->dev,
 618                        "ERROR %s err=%x;\n", __func__, err);
 619        return err;
 620}
 621
 622static int pcxhr_update_r_buffer(struct pcxhr_stream *stream)
 623{
 624        int err, is_capture, stream_num;
 625        struct pcxhr_rmh rmh;
 626        struct snd_pcm_substream *subs = stream->substream;
 627        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
 628
 629        is_capture = (subs->stream == SNDRV_PCM_STREAM_CAPTURE);
 630        stream_num = is_capture ? 0 : subs->number;
 631
 632        dev_dbg(chip->card->dev,
 633                "%s(pcm%c%d) : addr(%p) bytes(%zx) subs(%d)\n", __func__,
 634                is_capture ? 'c' : 'p',
 635                chip->chip_idx, (void *)(long)subs->runtime->dma_addr,
 636                subs->runtime->dma_bytes, subs->number);
 637
 638        pcxhr_init_rmh(&rmh, CMD_UPDATE_R_BUFFERS);
 639        pcxhr_set_pipe_cmd_params(&rmh, is_capture, stream->pipe->first_audio,
 640                                  stream_num, 0);
 641
 642        /* max buffer size is 2 MByte */
 643        snd_BUG_ON(subs->runtime->dma_bytes >= 0x200000);
 644        /* size in bits */
 645        rmh.cmd[1] = subs->runtime->dma_bytes * 8;
 646        /* most significant byte */
 647        rmh.cmd[2] = subs->runtime->dma_addr >> 24;
 648        /* this is a circular buffer */
 649        rmh.cmd[2] |= 1<<19;
 650        /* least 3 significant bytes */
 651        rmh.cmd[3] = subs->runtime->dma_addr & MASK_DSP_WORD;
 652        rmh.cmd_len = 4;
 653        err = pcxhr_send_msg(chip->mgr, &rmh);
 654        if (err)
 655                dev_err(chip->card->dev,
 656                           "ERROR CMD_UPDATE_R_BUFFERS err=%x;\n", err);
 657        return err;
 658}
 659
 660
 661#if 0
 662static int pcxhr_pipe_sample_count(struct pcxhr_stream *stream,
 663                                   snd_pcm_uframes_t *sample_count)
 664{
 665        struct pcxhr_rmh rmh;
 666        int err;
 667        pcxhr_t *chip = snd_pcm_substream_chip(stream->substream);
 668        pcxhr_init_rmh(&rmh, CMD_PIPE_SAMPLE_COUNT);
 669        pcxhr_set_pipe_cmd_params(&rmh, stream->pipe->is_capture, 0, 0,
 670                                  1<<stream->pipe->first_audio);
 671        err = pcxhr_send_msg(chip->mgr, &rmh);
 672        if (err == 0) {
 673                *sample_count = ((snd_pcm_uframes_t)rmh.stat[0]) << 24;
 674                *sample_count += (snd_pcm_uframes_t)rmh.stat[1];
 675        }
 676        dev_dbg(chip->card->dev, "PIPE_SAMPLE_COUNT = %lx\n", *sample_count);
 677        return err;
 678}
 679#endif
 680
 681static inline int pcxhr_stream_scheduled_get_pipe(struct pcxhr_stream *stream,
 682                                                  struct pcxhr_pipe **pipe)
 683{
 684        if (stream->status == PCXHR_STREAM_STATUS_SCHEDULE_RUN) {
 685                *pipe = stream->pipe;
 686                return 1;
 687        }
 688        return 0;
 689}
 690
 691static void pcxhr_start_linked_stream(struct pcxhr_mgr *mgr)
 692{
 693        int i, j, err;
 694        struct pcxhr_pipe *pipe;
 695        struct snd_pcxhr *chip;
 696        int capture_mask = 0;
 697        int playback_mask = 0;
 698
 699#ifdef CONFIG_SND_DEBUG_VERBOSE
 700        ktime_t start_time, stop_time, diff_time;
 701
 702        start_time = ktime_get();
 703#endif
 704        mutex_lock(&mgr->setup_mutex);
 705
 706        /* check the pipes concerned and build pipe_array */
 707        for (i = 0; i < mgr->num_cards; i++) {
 708                chip = mgr->chip[i];
 709                for (j = 0; j < chip->nb_streams_capt; j++) {
 710                        if (pcxhr_stream_scheduled_get_pipe(&chip->capture_stream[j], &pipe))
 711                                capture_mask |= (1 << pipe->first_audio);
 712                }
 713                for (j = 0; j < chip->nb_streams_play; j++) {
 714                        if (pcxhr_stream_scheduled_get_pipe(&chip->playback_stream[j], &pipe)) {
 715                                playback_mask |= (1 << pipe->first_audio);
 716                                break;  /* add only once, as all playback
 717                                         * streams of one chip use the same pipe
 718                                         */
 719                        }
 720                }
 721        }
 722        if (capture_mask == 0 && playback_mask == 0) {
 723                mutex_unlock(&mgr->setup_mutex);
 724                dev_err(&mgr->pci->dev, "%s : no pipes\n", __func__);
 725                return;
 726        }
 727
 728        dev_dbg(&mgr->pci->dev, "%s : playback_mask=%x capture_mask=%x\n",
 729                    __func__, playback_mask, capture_mask);
 730
 731        /* synchronous stop of all the pipes concerned */
 732        err = pcxhr_set_pipe_state(mgr,  playback_mask, capture_mask, 0);
 733        if (err) {
 734                mutex_unlock(&mgr->setup_mutex);
 735                dev_err(&mgr->pci->dev, "%s : "
 736                           "error stop pipes (P%x C%x)\n",
 737                           __func__, playback_mask, capture_mask);
 738                return;
 739        }
 740
 741        /* the dsp lost format and buffer info with the stop pipe */
 742        for (i = 0; i < mgr->num_cards; i++) {
 743                struct pcxhr_stream *stream;
 744                chip = mgr->chip[i];
 745                for (j = 0; j < chip->nb_streams_capt; j++) {
 746                        stream = &chip->capture_stream[j];
 747                        if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
 748                                err = pcxhr_set_format(stream);
 749                                err = pcxhr_update_r_buffer(stream);
 750                        }
 751                }
 752                for (j = 0; j < chip->nb_streams_play; j++) {
 753                        stream = &chip->playback_stream[j];
 754                        if (pcxhr_stream_scheduled_get_pipe(stream, &pipe)) {
 755                                err = pcxhr_set_format(stream);
 756                                err = pcxhr_update_r_buffer(stream);
 757                        }
 758                }
 759        }
 760        /* start all the streams */
 761        for (i = 0; i < mgr->num_cards; i++) {
 762                struct pcxhr_stream *stream;
 763                chip = mgr->chip[i];
 764                for (j = 0; j < chip->nb_streams_capt; j++) {
 765                        stream = &chip->capture_stream[j];
 766                        if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
 767                                err = pcxhr_set_stream_state(chip, stream);
 768                }
 769                for (j = 0; j < chip->nb_streams_play; j++) {
 770                        stream = &chip->playback_stream[j];
 771                        if (pcxhr_stream_scheduled_get_pipe(stream, &pipe))
 772                                err = pcxhr_set_stream_state(chip, stream);
 773                }
 774        }
 775
 776        /* synchronous start of all the pipes concerned */
 777        err = pcxhr_set_pipe_state(mgr, playback_mask, capture_mask, 1);
 778        if (err) {
 779                mutex_unlock(&mgr->setup_mutex);
 780                dev_err(&mgr->pci->dev, "%s : "
 781                           "error start pipes (P%x C%x)\n",
 782                           __func__, playback_mask, capture_mask);
 783                return;
 784        }
 785
 786        /* put the streams into the running state now
 787         * (increment pointer by interrupt)
 788         */
 789        mutex_lock(&mgr->lock);
 790        for ( i =0; i < mgr->num_cards; i++) {
 791                struct pcxhr_stream *stream;
 792                chip = mgr->chip[i];
 793                for(j = 0; j < chip->nb_streams_capt; j++) {
 794                        stream = &chip->capture_stream[j];
 795                        if(stream->status == PCXHR_STREAM_STATUS_STARTED)
 796                                stream->status = PCXHR_STREAM_STATUS_RUNNING;
 797                }
 798                for (j = 0; j < chip->nb_streams_play; j++) {
 799                        stream = &chip->playback_stream[j];
 800                        if (stream->status == PCXHR_STREAM_STATUS_STARTED) {
 801                                /* playback will already have advanced ! */
 802                                stream->timer_period_frag += mgr->granularity;
 803                                stream->status = PCXHR_STREAM_STATUS_RUNNING;
 804                        }
 805                }
 806        }
 807        mutex_unlock(&mgr->lock);
 808
 809        mutex_unlock(&mgr->setup_mutex);
 810
 811#ifdef CONFIG_SND_DEBUG_VERBOSE
 812        stop_time = ktime_get();
 813        diff_time = ktime_sub(stop_time, start_time);
 814        dev_dbg(&mgr->pci->dev, "***TRIGGER START*** TIME = %ld (err = %x)\n",
 815                    (long)(ktime_to_ns(diff_time)), err);
 816#endif
 817}
 818
 819
 820/*
 821 *  trigger callback
 822 */
 823static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
 824{
 825        struct pcxhr_stream *stream;
 826        struct snd_pcm_substream *s;
 827        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
 828
 829        switch (cmd) {
 830        case SNDRV_PCM_TRIGGER_START:
 831                dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_START\n");
 832                if (snd_pcm_stream_linked(subs)) {
 833                        snd_pcm_group_for_each_entry(s, subs) {
 834                                if (snd_pcm_substream_chip(s) != chip)
 835                                        continue;
 836                                stream = s->runtime->private_data;
 837                                stream->status =
 838                                        PCXHR_STREAM_STATUS_SCHEDULE_RUN;
 839                                snd_pcm_trigger_done(s, subs);
 840                        }
 841                        pcxhr_start_linked_stream(chip->mgr);
 842                } else {
 843                        stream = subs->runtime->private_data;
 844                        dev_dbg(chip->card->dev, "Only one Substream %c %d\n",
 845                                    stream->pipe->is_capture ? 'C' : 'P',
 846                                    stream->pipe->first_audio);
 847                        if (pcxhr_set_format(stream))
 848                                return -EINVAL;
 849                        if (pcxhr_update_r_buffer(stream))
 850                                return -EINVAL;
 851
 852                        stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN;
 853                        if (pcxhr_set_stream_state(chip, stream))
 854                                return -EINVAL;
 855                        stream->status = PCXHR_STREAM_STATUS_RUNNING;
 856                }
 857                break;
 858        case SNDRV_PCM_TRIGGER_STOP:
 859                dev_dbg(chip->card->dev, "SNDRV_PCM_TRIGGER_STOP\n");
 860                snd_pcm_group_for_each_entry(s, subs) {
 861                        stream = s->runtime->private_data;
 862                        stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
 863                        if (pcxhr_set_stream_state(chip, stream))
 864                                return -EINVAL;
 865                        snd_pcm_trigger_done(s, subs);
 866                }
 867                break;
 868        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 869        case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 870                /* TODO */
 871        default:
 872                return -EINVAL;
 873        }
 874        return 0;
 875}
 876
 877
 878static int pcxhr_hardware_timer(struct pcxhr_mgr *mgr, int start)
 879{
 880        struct pcxhr_rmh rmh;
 881        int err;
 882
 883        pcxhr_init_rmh(&rmh, CMD_SET_TIMER_INTERRUPT);
 884        if (start) {
 885                /* last dsp time invalid */
 886                mgr->dsp_time_last = PCXHR_DSP_TIME_INVALID;
 887                rmh.cmd[0] |= mgr->granularity;
 888        }
 889        err = pcxhr_send_msg(mgr, &rmh);
 890        if (err < 0)
 891                dev_err(&mgr->pci->dev, "error %s err(%x)\n", __func__,
 892                           err);
 893        return err;
 894}
 895
 896/*
 897 *  prepare callback for all pcms
 898 */
 899static int pcxhr_prepare(struct snd_pcm_substream *subs)
 900{
 901        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
 902        struct pcxhr_mgr *mgr = chip->mgr;
 903        int err = 0;
 904
 905        dev_dbg(chip->card->dev,
 906                "%s : period_size(%lx) periods(%x) buffer_size(%lx)\n", __func__,
 907                    subs->runtime->period_size, subs->runtime->periods,
 908                    subs->runtime->buffer_size);
 909
 910        mutex_lock(&mgr->setup_mutex);
 911
 912        do {
 913                /* only the first stream can choose the sample rate */
 914                /* set the clock only once (first stream) */
 915                if (mgr->sample_rate != subs->runtime->rate) {
 916                        err = pcxhr_set_clock(mgr, subs->runtime->rate);
 917                        if (err)
 918                                break;
 919                        if (mgr->sample_rate == 0)
 920                                /* start the DSP-timer */
 921                                err = pcxhr_hardware_timer(mgr, 1);
 922                        mgr->sample_rate = subs->runtime->rate;
 923                }
 924        } while(0);     /* do only once (so we can use break instead of goto) */
 925
 926        mutex_unlock(&mgr->setup_mutex);
 927
 928        return err;
 929}
 930
 931
 932/*
 933 *  HW_PARAMS callback for all pcms
 934 */
 935static int pcxhr_hw_params(struct snd_pcm_substream *subs,
 936                           struct snd_pcm_hw_params *hw)
 937{
 938        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
 939        struct pcxhr_mgr *mgr = chip->mgr;
 940        struct pcxhr_stream *stream = subs->runtime->private_data;
 941
 942        mutex_lock(&mgr->setup_mutex);
 943
 944        /* set up channels */
 945        stream->channels = params_channels(hw);
 946        /* set up format for the stream */
 947        stream->format = params_format(hw);
 948
 949        mutex_unlock(&mgr->setup_mutex);
 950
 951        return 0;
 952}
 953
 954
 955/*
 956 *  CONFIGURATION SPACE for all pcms, mono pcm must update channels_max
 957 */
 958static const struct snd_pcm_hardware pcxhr_caps =
 959{
 960        .info             = (SNDRV_PCM_INFO_MMAP |
 961                             SNDRV_PCM_INFO_INTERLEAVED |
 962                             SNDRV_PCM_INFO_MMAP_VALID |
 963                             SNDRV_PCM_INFO_SYNC_START),
 964        .formats          = (SNDRV_PCM_FMTBIT_U8 |
 965                             SNDRV_PCM_FMTBIT_S16_LE |
 966                             SNDRV_PCM_FMTBIT_S16_BE |
 967                             SNDRV_PCM_FMTBIT_S24_3LE |
 968                             SNDRV_PCM_FMTBIT_S24_3BE |
 969                             SNDRV_PCM_FMTBIT_FLOAT_LE),
 970        .rates            = (SNDRV_PCM_RATE_CONTINUOUS |
 971                             SNDRV_PCM_RATE_8000_192000),
 972        .rate_min         = 8000,
 973        .rate_max         = 192000,
 974        .channels_min     = 1,
 975        .channels_max     = 2,
 976        .buffer_bytes_max = (32*1024),
 977        /* 1 byte == 1 frame U8 mono (PCXHR_GRANULARITY is frames!) */
 978        .period_bytes_min = (2*PCXHR_GRANULARITY),
 979        .period_bytes_max = (16*1024),
 980        .periods_min      = 2,
 981        .periods_max      = (32*1024/PCXHR_GRANULARITY),
 982};
 983
 984
 985static int pcxhr_open(struct snd_pcm_substream *subs)
 986{
 987        struct snd_pcxhr       *chip = snd_pcm_substream_chip(subs);
 988        struct pcxhr_mgr       *mgr = chip->mgr;
 989        struct snd_pcm_runtime *runtime = subs->runtime;
 990        struct pcxhr_stream    *stream;
 991        int err;
 992
 993        mutex_lock(&mgr->setup_mutex);
 994
 995        /* copy the struct snd_pcm_hardware struct */
 996        runtime->hw = pcxhr_caps;
 997
 998        if( subs->stream == SNDRV_PCM_STREAM_PLAYBACK ) {
 999                dev_dbg(chip->card->dev, "%s playback chip%d subs%d\n",
1000                            __func__, chip->chip_idx, subs->number);
1001                stream = &chip->playback_stream[subs->number];
1002        } else {
1003                dev_dbg(chip->card->dev, "%s capture chip%d subs%d\n",
1004                            __func__, chip->chip_idx, subs->number);
1005                if (mgr->mono_capture)
1006                        runtime->hw.channels_max = 1;
1007                else
1008                        runtime->hw.channels_min = 2;
1009                stream = &chip->capture_stream[subs->number];
1010        }
1011        if (stream->status != PCXHR_STREAM_STATUS_FREE){
1012                /* streams in use */
1013                dev_err(chip->card->dev, "%s chip%d subs%d in use\n",
1014                           __func__, chip->chip_idx, subs->number);
1015                mutex_unlock(&mgr->setup_mutex);
1016                return -EBUSY;
1017        }
1018
1019        /* float format support is in some cases buggy on stereo cards */
1020        if (mgr->is_hr_stereo)
1021                runtime->hw.formats &= ~SNDRV_PCM_FMTBIT_FLOAT_LE;
1022
1023        /* buffer-size should better be multiple of period-size */
1024        err = snd_pcm_hw_constraint_integer(runtime,
1025                                            SNDRV_PCM_HW_PARAM_PERIODS);
1026        if (err < 0) {
1027                mutex_unlock(&mgr->setup_mutex);
1028                return err;
1029        }
1030
1031        /* if a sample rate is already used or fixed by external clock,
1032         * the stream cannot change
1033         */
1034        if (mgr->sample_rate)
1035                runtime->hw.rate_min = runtime->hw.rate_max = mgr->sample_rate;
1036        else {
1037                if (mgr->use_clock_type != PCXHR_CLOCK_TYPE_INTERNAL) {
1038                        int external_rate;
1039                        if (pcxhr_get_external_clock(mgr, mgr->use_clock_type,
1040                                                     &external_rate) ||
1041                            external_rate == 0) {
1042                                /* cannot detect the external clock rate */
1043                                mutex_unlock(&mgr->setup_mutex);
1044                                return -EBUSY;
1045                        }
1046                        runtime->hw.rate_min = external_rate;
1047                        runtime->hw.rate_max = external_rate;
1048                }
1049        }
1050
1051        stream->status      = PCXHR_STREAM_STATUS_OPEN;
1052        stream->substream   = subs;
1053        stream->channels    = 0; /* not configured yet */
1054
1055        runtime->private_data = stream;
1056
1057        /* better get a divisor of granularity values (96 or 192) */
1058        snd_pcm_hw_constraint_step(runtime, 0,
1059                                   SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32);
1060        snd_pcm_hw_constraint_step(runtime, 0,
1061                                   SNDRV_PCM_HW_PARAM_PERIOD_SIZE, 32);
1062        snd_pcm_set_sync(subs);
1063
1064        mgr->ref_count_rate++;
1065
1066        mutex_unlock(&mgr->setup_mutex);
1067        return 0;
1068}
1069
1070
1071static int pcxhr_close(struct snd_pcm_substream *subs)
1072{
1073        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
1074        struct pcxhr_mgr *mgr = chip->mgr;
1075        struct pcxhr_stream *stream = subs->runtime->private_data;
1076
1077        mutex_lock(&mgr->setup_mutex);
1078
1079        dev_dbg(chip->card->dev, "%s chip%d subs%d\n", __func__,
1080                    chip->chip_idx, subs->number);
1081
1082        /* sample rate released */
1083        if (--mgr->ref_count_rate == 0) {
1084                mgr->sample_rate = 0;   /* the sample rate is no more locked */
1085                pcxhr_hardware_timer(mgr, 0);   /* stop the DSP-timer */
1086        }
1087
1088        stream->status    = PCXHR_STREAM_STATUS_FREE;
1089        stream->substream = NULL;
1090
1091        mutex_unlock(&mgr->setup_mutex);
1092
1093        return 0;
1094}
1095
1096
1097static snd_pcm_uframes_t pcxhr_stream_pointer(struct snd_pcm_substream *subs)
1098{
1099        u_int32_t timer_period_frag;
1100        int timer_buf_periods;
1101        struct snd_pcxhr *chip = snd_pcm_substream_chip(subs);
1102        struct snd_pcm_runtime *runtime = subs->runtime;
1103        struct pcxhr_stream *stream  = runtime->private_data;
1104
1105        mutex_lock(&chip->mgr->lock);
1106
1107        /* get the period fragment and the nb of periods in the buffer */
1108        timer_period_frag = stream->timer_period_frag;
1109        timer_buf_periods = stream->timer_buf_periods;
1110
1111        mutex_unlock(&chip->mgr->lock);
1112
1113        return (snd_pcm_uframes_t)((timer_buf_periods * runtime->period_size) +
1114                                   timer_period_frag);
1115}
1116
1117
1118static const struct snd_pcm_ops pcxhr_ops = {
1119        .open      = pcxhr_open,
1120        .close     = pcxhr_close,
1121        .prepare   = pcxhr_prepare,
1122        .hw_params = pcxhr_hw_params,
1123        .trigger   = pcxhr_trigger,
1124        .pointer   = pcxhr_stream_pointer,
1125};
1126
1127/*
1128 */
1129int pcxhr_create_pcm(struct snd_pcxhr *chip)
1130{
1131        int err;
1132        struct snd_pcm *pcm;
1133        char name[32];
1134
1135        snprintf(name, sizeof(name), "pcxhr %d", chip->chip_idx);
1136        err = snd_pcm_new(chip->card, name, 0,
1137                          chip->nb_streams_play,
1138                          chip->nb_streams_capt, &pcm);
1139        if (err < 0) {
1140                dev_err(chip->card->dev, "cannot create pcm %s\n", name);
1141                return err;
1142        }
1143        pcm->private_data = chip;
1144
1145        if (chip->nb_streams_play)
1146                snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &pcxhr_ops);
1147        if (chip->nb_streams_capt)
1148                snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &pcxhr_ops);
1149
1150        pcm->info_flags = 0;
1151        pcm->nonatomic = true;
1152        strcpy(pcm->name, name);
1153
1154        snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_DEV,
1155                                       &chip->mgr->pci->dev,
1156                                       32*1024, 32*1024);
1157        chip->pcm = pcm;
1158        return 0;
1159}
1160
1161static int pcxhr_chip_free(struct snd_pcxhr *chip)
1162{
1163        kfree(chip);
1164        return 0;
1165}
1166
1167static int pcxhr_chip_dev_free(struct snd_device *device)
1168{
1169        struct snd_pcxhr *chip = device->device_data;
1170        return pcxhr_chip_free(chip);
1171}
1172
1173
1174/*
1175 */
1176static int pcxhr_create(struct pcxhr_mgr *mgr,
1177                        struct snd_card *card, int idx)
1178{
1179        int err;
1180        struct snd_pcxhr *chip;
1181        static const struct snd_device_ops ops = {
1182                .dev_free = pcxhr_chip_dev_free,
1183        };
1184
1185        chip = kzalloc(sizeof(*chip), GFP_KERNEL);
1186        if (!chip)
1187                return -ENOMEM;
1188
1189        chip->card = card;
1190        chip->chip_idx = idx;
1191        chip->mgr = mgr;
1192        card->sync_irq = mgr->irq;
1193
1194        if (idx < mgr->playback_chips)
1195                /* stereo or mono streams */
1196                chip->nb_streams_play = PCXHR_PLAYBACK_STREAMS;
1197
1198        if (idx < mgr->capture_chips) {
1199                if (mgr->mono_capture)
1200                        chip->nb_streams_capt = 2;      /* 2 mono streams */
1201                else
1202                        chip->nb_streams_capt = 1;      /* or 1 stereo stream */
1203        }
1204
1205        err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
1206        if (err < 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        err = pci_enable_device(pci);
1497        if (err < 0)
1498                return err;
1499        pci_set_master(pci);
1500
1501        /* check if we can restrict PCI DMA transfers to 32 bits */
1502        if (dma_set_mask(&pci->dev, DMA_BIT_MASK(32)) < 0) {
1503                dev_err(&pci->dev,
1504                        "architecture does not support 32bit PCI busmaster DMA\n");
1505                pci_disable_device(pci);
1506                return -ENXIO;
1507        }
1508
1509        /* alloc card manager */
1510        mgr = kzalloc(sizeof(*mgr), GFP_KERNEL);
1511        if (! mgr) {
1512                pci_disable_device(pci);
1513                return -ENOMEM;
1514        }
1515
1516        if (snd_BUG_ON(pci_id->driver_data >= PCI_ID_LAST)) {
1517                kfree(mgr);
1518                pci_disable_device(pci);
1519                return -ENODEV;
1520        }
1521        card_name =
1522                pcxhr_board_params[pci_id->driver_data].board_name;
1523        mgr->playback_chips =
1524                pcxhr_board_params[pci_id->driver_data].playback_chips;
1525        mgr->capture_chips  =
1526                pcxhr_board_params[pci_id->driver_data].capture_chips;
1527        mgr->fw_file_set =
1528                pcxhr_board_params[pci_id->driver_data].fw_file_set;
1529        mgr->firmware_num  =
1530                pcxhr_board_params[pci_id->driver_data].firmware_num;
1531        mgr->mono_capture = mono[dev];
1532        mgr->is_hr_stereo = (mgr->playback_chips == 1);
1533        mgr->board_has_aes1 = PCXHR_BOARD_HAS_AES1(mgr);
1534        mgr->board_aes_in_192k = !PCXHR_BOARD_AESIN_NO_192K(mgr);
1535
1536        if (mgr->is_hr_stereo)
1537                mgr->granularity = PCXHR_GRANULARITY_HR22;
1538        else
1539                mgr->granularity = PCXHR_GRANULARITY;
1540
1541        /* resource assignment */
1542        err = pci_request_regions(pci, card_name);
1543        if (err < 0) {
1544                kfree(mgr);
1545                pci_disable_device(pci);
1546                return err;
1547        }
1548        for (i = 0; i < 3; i++)
1549                mgr->port[i] = pci_resource_start(pci, i);
1550
1551        mgr->pci = pci;
1552        mgr->irq = -1;
1553
1554        if (request_threaded_irq(pci->irq, pcxhr_interrupt,
1555                                 pcxhr_threaded_irq, IRQF_SHARED,
1556                                 KBUILD_MODNAME, mgr)) {
1557                dev_err(&pci->dev, "unable to grab IRQ %d\n", pci->irq);
1558                pcxhr_free(mgr);
1559                return -EBUSY;
1560        }
1561        mgr->irq = pci->irq;
1562
1563        snprintf(mgr->name, sizeof(mgr->name),
1564                 "Digigram at 0x%lx & 0x%lx, 0x%lx irq %i",
1565                 mgr->port[0], mgr->port[1], mgr->port[2], mgr->irq);
1566
1567        /* ISR lock  */
1568        mutex_init(&mgr->lock);
1569        mutex_init(&mgr->msg_lock);
1570
1571        /* init setup mutex*/
1572        mutex_init(&mgr->setup_mutex);
1573
1574        mgr->prmh = kmalloc(sizeof(*mgr->prmh) +
1575                            sizeof(u32) * (PCXHR_SIZE_MAX_LONG_STATUS -
1576                                           PCXHR_SIZE_MAX_STATUS),
1577                            GFP_KERNEL);
1578        if (! mgr->prmh) {
1579                pcxhr_free(mgr);
1580                return -ENOMEM;
1581        }
1582
1583        for (i=0; i < PCXHR_MAX_CARDS; i++) {
1584                struct snd_card *card;
1585                char tmpid[16];
1586                int idx;
1587
1588                if (i >= max(mgr->playback_chips, mgr->capture_chips))
1589                        break;
1590                mgr->num_cards++;
1591
1592                if (index[dev] < 0)
1593                        idx = index[dev];
1594                else
1595                        idx = index[dev] + i;
1596
1597                snprintf(tmpid, sizeof(tmpid), "%s-%d",
1598                         id[dev] ? id[dev] : card_name, i);
1599                err = snd_card_new(&pci->dev, idx, tmpid, THIS_MODULE,
1600                                   0, &card);
1601
1602                if (err < 0) {
1603                        dev_err(&pci->dev, "cannot allocate the card %d\n", i);
1604                        pcxhr_free(mgr);
1605                        return err;
1606                }
1607
1608                strcpy(card->driver, DRIVER_NAME);
1609                snprintf(card->shortname, sizeof(card->shortname),
1610                         "Digigram [PCM #%d]", i);
1611                snprintf(card->longname, sizeof(card->longname),
1612                         "%s [PCM #%d]", mgr->name, i);
1613
1614                err = pcxhr_create(mgr, card, i);
1615                if (err < 0) {
1616                        snd_card_free(card);
1617                        pcxhr_free(mgr);
1618                        return err;
1619                }
1620
1621                if (i == 0)
1622                        /* init proc interface only for chip0 */
1623                        pcxhr_proc_init(mgr->chip[i]);
1624
1625                err = snd_card_register(card);
1626                if (err < 0) {
1627                        pcxhr_free(mgr);
1628                        return err;
1629                }
1630        }
1631
1632        /* create hostport purgebuffer */
1633        size = PAGE_ALIGN(sizeof(struct pcxhr_hostport));
1634        if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, &pci->dev,
1635                                size, &mgr->hostport) < 0) {
1636                pcxhr_free(mgr);
1637                return -ENOMEM;
1638        }
1639        /* init purgebuffer */
1640        memset(mgr->hostport.area, 0, size);
1641
1642        /* create a DSP loader */
1643        err = pcxhr_setup_firmware(mgr);
1644        if (err < 0) {
1645                pcxhr_free(mgr);
1646                return err;
1647        }
1648
1649        pci_set_drvdata(pci, mgr);
1650        dev++;
1651        return 0;
1652}
1653
1654static void pcxhr_remove(struct pci_dev *pci)
1655{
1656        pcxhr_free(pci_get_drvdata(pci));
1657}
1658
1659static struct pci_driver pcxhr_driver = {
1660        .name = KBUILD_MODNAME,
1661        .id_table = pcxhr_ids,
1662        .probe = pcxhr_probe,
1663        .remove = pcxhr_remove,
1664};
1665
1666module_pci_driver(pcxhr_driver);
1667