release/src-rt-6.x.4708/linux/linux-2.6.36/sound/pci/trident/trident.c

   1 /*
   2  *  Driver for Trident 4DWave DX/NX & SiS SI7018 Audio PCI soundcard
   3  *
   4  *  Driver was originated by Trident <audio@tridentmicro.com>
   5  *                           Fri Feb 19 15:55:28 MST 1999
   6  *
   7  *
   8  *   This program is free software; you can redistribute it and/or modify
   9  *   it under the terms of the GNU General Public License as published by
  10  *   the Free Software Foundation; either version 2 of the License, or
  11  *   (at your option) any later version.
  12  *
  13  *   This program is distributed in the hope that it will be useful,
  14  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *   GNU General Public License for more details.
  17  *
  18  *   You should have received a copy of the GNU General Public License
  19  *   along with this program; if not, write to the Free Software
  20  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  21  *
  22  */
  23
  24 #include <linux/init.h>
  25 #include <linux/pci.h>
  26 #include <linux/time.h>
  27 #include <linux/moduleparam.h>
  28 #include <sound/core.h>
  29 #include <sound/trident.h>
  30 #include <sound/initval.h>
  31
  32 MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, <audio@tridentmicro.com>");
  33 MODULE_DESCRIPTION("Trident 4D-WaveDX/NX & SiS SI7018");
  34 MODULE_LICENSE("GPL");
  35 MODULE_SUPPORTED_DEVICE("{{Trident,4DWave DX},"
  36                 "{Trident,4DWave NX},"
  37                 "{SiS,SI7018 PCI Audio},"
  38                 "{Best Union,Miss Melody 4DWave PCI},"
  39                 "{HIS,4DWave PCI},"
  40                 "{Warpspeed,ONSpeed 4DWave PCI},"
  41                 "{Aztech Systems,PCI 64-Q3D},"
  42                 "{Addonics,SV 750},"
  43                 "{CHIC,True Sound 4Dwave},"
  44                 "{Shark,Predator4D-PCI},"
  45                 "{Jaton,SonicWave 4D},"
  46                 "{Hoontech,SoundTrack Digital 4DWave NX}}");
  47
  48 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  49 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  50 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;      /* Enable this card */
  51 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 32};
  52 static int wavetable_size[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 8192};
  53
  54 module_param_array(index, int, NULL, 0444);
  55 MODULE_PARM_DESC(index, "Index value for Trident 4DWave PCI soundcard.");
  56 module_param_array(id, charp, NULL, 0444);
  57 MODULE_PARM_DESC(id, "ID string for Trident 4DWave PCI soundcard.");
  58 module_param_array(enable, bool, NULL, 0444);
  59 MODULE_PARM_DESC(enable, "Enable Trident 4DWave PCI soundcard.");
  60 module_param_array(pcm_channels, int, NULL, 0444);
  61 MODULE_PARM_DESC(pcm_channels, "Number of hardware channels assigned for PCM.");
  62 module_param_array(wavetable_size, int, NULL, 0444);
  63 MODULE_PARM_DESC(wavetable_size, "Maximum memory size in kB for wavetable synth.");
  64
  65 static DEFINE_PCI_DEVICE_TABLE(snd_trident_ids) = {
  66         {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_DX),
  67                 PCI_CLASS_MULTIMEDIA_AUDIO << 8, 0xffff00, 0},
  68         {PCI_DEVICE(PCI_VENDOR_ID_TRIDENT, PCI_DEVICE_ID_TRIDENT_4DWAVE_NX),
  69                 0, 0, 0},
  70         {PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_7018), 0, 0, 0},
  71         { 0, }
  72 };
  73
  74 MODULE_DEVICE_TABLE(pci, snd_trident_ids);
  75
  76 static int __devinit snd_trident_probe(struct pci_dev *pci,
  77                                        const struct pci_device_id *pci_id)
  78 {
  79         static int dev;
  80         struct snd_card *card;
  81         struct snd_trident *trident;
  82         const char *str;
  83         int err, pcm_dev = 0;
  84
  85         if (dev >= SNDRV_CARDS)
  86                 return -ENODEV;
  87         if (!enable[dev]) {
  88                 dev++;
  89                 return -ENOENT;
  90         }
  91
  92         err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card);
  93         if (err < 0)
  94                 return err;
  95
  96         if ((err = snd_trident_create(card, pci,
  97                                       pcm_channels[dev],
  98                                       ((pci->vendor << 16) | pci->device) == TRIDENT_DEVICE_ID_SI7018 ? 1 : 2,
  99                                       wavetable_size[dev],
 100                                       &trident)) < 0) {
 101                 snd_card_free(card);
 102                 return err;
 103         }
 104         card->private_data = trident;
 105
 106         switch (trident->device) {
 107         case TRIDENT_DEVICE_ID_DX:
 108                 str = "TRID4DWAVEDX";
 109                 break;
 110         case TRIDENT_DEVICE_ID_NX:
 111                 str = "TRID4DWAVENX";
 112                 break;
 113         case TRIDENT_DEVICE_ID_SI7018:
 114                 str = "SI7018";
 115                 break;
 116         default:
 117                 str = "Unknown";
 118         }
 119         strcpy(card->driver, str);
 120         if (trident->device == TRIDENT_DEVICE_ID_SI7018) {
 121                 strcpy(card->shortname, "SiS ");
 122         } else {
 123                 strcpy(card->shortname, "Trident ");
 124         }
 125         strcat(card->shortname, card->driver);
 126         sprintf(card->longname, "%s PCI Audio at 0x%lx, irq %d",
 127                 card->shortname, trident->port, trident->irq);
 128
 129         if ((err = snd_trident_pcm(trident, pcm_dev++, NULL)) < 0) {
 130                 snd_card_free(card);
 131                 return err;
 132         }
 133         switch (trident->device) {
 134         case TRIDENT_DEVICE_ID_DX:
 135         case TRIDENT_DEVICE_ID_NX:
 136                 if ((err = snd_trident_foldback_pcm(trident, pcm_dev++, NULL)) < 0) {
 137                         snd_card_free(card);
 138                         return err;
 139                 }
 140                 break;
 141         }
 142         if (trident->device == TRIDENT_DEVICE_ID_NX || trident->device == TRIDENT_DEVICE_ID_SI7018) {
 143                 if ((err = snd_trident_spdif_pcm(trident, pcm_dev++, NULL)) < 0) {
 144                         snd_card_free(card);
 145                         return err;
 146                 }
 147         }
 148         if (trident->device != TRIDENT_DEVICE_ID_SI7018 &&
 149             (err = snd_mpu401_uart_new(card, 0, MPU401_HW_TRID4DWAVE,
 150                                        trident->midi_port,
 151                                        MPU401_INFO_INTEGRATED,
 152                                        trident->irq, 0, &trident->rmidi)) < 0) {
 153                 snd_card_free(card);
 154                 return err;
 155         }
 156
 157         snd_trident_create_gameport(trident);
 158
 159         if ((err = snd_card_register(card)) < 0) {
 160                 snd_card_free(card);
 161                 return err;
 162         }
 163         pci_set_drvdata(pci, card);
 164         dev++;
 165         return 0;
 166 }
 167
 168 static void __devexit snd_trident_remove(struct pci_dev *pci)
 169 {
 170         snd_card_free(pci_get_drvdata(pci));
 171         pci_set_drvdata(pci, NULL);
 172 }
 173
 174 static struct pci_driver driver = {
 175         .name = "Trident4DWaveAudio",
 176         .id_table = snd_trident_ids,
 177         .probe = snd_trident_probe,
 178         .remove = __devexit_p(snd_trident_remove),
 179 #ifdef CONFIG_PM
 180         .suspend = snd_trident_suspend,
 181         .resume = snd_trident_resume,
 182 #endif
 183 };
 184
 185 static int __init alsa_card_trident_init(void)
 186 {
 187         return pci_register_driver(&driver);
 188 }
 189
 190 static void __exit alsa_card_trident_exit(void)
 191 {
 192         pci_unregister_driver(&driver);
 193 }
 194
 195 module_init(alsa_card_trident_init)
 196 module_exit(alsa_card_trident_exit)