release/src-rt-6.x/linux/linux-2.6/sound/isa/gus/gusmax.c

   1 /*
   2  *  Driver for Gravis UltraSound MAX soundcard
   3  *  Copyright (c) by Jaroslav Kysela <perex@suse.cz>
   4  *
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; either version 2 of the License, or
   9  *   (at your option) any later version.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program; if not, write to the Free Software
  18  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19  *
  20  */
  21
  22 #include <sound/driver.h>
  23 #include <linux/init.h>
  24 #include <linux/err.h>
  25 #include <linux/isa.h>
  26 #include <linux/delay.h>
  27 #include <linux/time.h>
  28 #include <linux/moduleparam.h>
  29 #include <asm/dma.h>
  30 #include <sound/core.h>
  31 #include <sound/gus.h>
  32 #include <sound/cs4231.h>
  33 #define SNDRV_LEGACY_FIND_FREE_IRQ
  34 #define SNDRV_LEGACY_FIND_FREE_DMA
  35 #include <sound/initval.h>
  36
  37 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
  38 MODULE_DESCRIPTION("Gravis UltraSound MAX");
  39 MODULE_LICENSE("GPL");
  40 MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}");
  41
  42 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  43 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  44 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;  /* Enable this card */
  45 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;     /* 0x220,0x230,0x240,0x250,0x260 */
  46 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;        /* 2,3,5,9,11,12,15 */
  47 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 1,3,5,6,7 */
  48 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;       /* 1,3,5,6,7 */
  49 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29};
  50                                 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */
  51 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24};
  52 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2};
  53
  54 module_param_array(index, int, NULL, 0444);
  55 MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard.");
  56 module_param_array(id, charp, NULL, 0444);
  57 MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard.");
  58 module_param_array(enable, bool, NULL, 0444);
  59 MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard.");
  60 module_param_array(port, long, NULL, 0444);
  61 MODULE_PARM_DESC(port, "Port # for GUS MAX driver.");
  62 module_param_array(irq, int, NULL, 0444);
  63 MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver.");
  64 module_param_array(dma1, int, NULL, 0444);
  65 MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver.");
  66 module_param_array(dma2, int, NULL, 0444);
  67 MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver.");
  68 module_param_array(joystick_dac, int, NULL, 0444);
  69 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver.");
  70 module_param_array(channels, int, NULL, 0444);
  71 MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver.");
  72 module_param_array(pcm_channels, int, NULL, 0444);
  73 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver.");
  74
  75 struct snd_gusmax {
  76         int irq;
  77         struct snd_card *card;
  78         struct snd_gus_card *gus;
  79         struct snd_cs4231 *cs4231;
  80         unsigned short gus_status_reg;
  81         unsigned short pcm_status_reg;
  82 };
  83
  84 #define PFX     "gusmax: "
  85
  86 static int __devinit snd_gusmax_detect(struct snd_gus_card * gus)
  87 {
  88         unsigned char d;
  89
  90         snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0);   /* reset GF1 */
  91         if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) {
  92                 snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d);
  93                 return -ENODEV;
  94         }
  95         udelay(160);
  96         snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1);   /* release reset */
  97         udelay(160);
  98         if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) {
  99                 snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d);
 100                 return -ENODEV;
 101         }
 102
 103         return 0;
 104 }
 105
 106 static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id)
 107 {
 108         struct snd_gusmax *maxcard = dev_id;
 109         int loop, max = 5;
 110         int handled = 0;
 111
 112         do {
 113                 loop = 0;
 114                 if (inb(maxcard->gus_status_reg)) {
 115                         handled = 1;
 116                         snd_gus_interrupt(irq, maxcard->gus);
 117                         loop++;
 118                 }
 119                 if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */
 120                         handled = 1;
 121                         snd_cs4231_interrupt(irq, maxcard->cs4231);
 122                         loop++;
 123                 }
 124         } while (loop && --max > 0);
 125         return IRQ_RETVAL(handled);
 126 }
 127
 128 static void __devinit snd_gusmax_init(int dev, struct snd_card *card,
 129                                       struct snd_gus_card * gus)
 130 {
 131         gus->equal_irq = 1;
 132         gus->codec_flag = 1;
 133         gus->joystick_dac = joystick_dac[dev];
 134         /* init control register */
 135         gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f;
 136         if (gus->gf1.dma1 > 3)
 137                 gus->max_cntrl_val |= 0x10;
 138         if (gus->gf1.dma2 > 3)
 139                 gus->max_cntrl_val |= 0x20;
 140         gus->max_cntrl_val |= 0x40;
 141         outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT));
 142 }
 143
 144 #define CS4231_PRIVATE( left, right, shift, mute ) \
 145                         ((left << 24)|(right << 16)|(shift<<8)|mute)
 146
 147 static int __devinit snd_gusmax_mixer(struct snd_cs4231 *chip)
 148 {
 149         struct snd_card *card = chip->card;
 150         struct snd_ctl_elem_id id1, id2;
 151         int err;
 152
 153         memset(&id1, 0, sizeof(id1));
 154         memset(&id2, 0, sizeof(id2));
 155         id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
 156         /* reassign AUXA to SYNTHESIZER */
 157         strcpy(id1.name, "Aux Playback Switch");
 158         strcpy(id2.name, "Synth Playback Switch");
 159         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
 160                 return err;
 161         strcpy(id1.name, "Aux Playback Volume");
 162         strcpy(id2.name, "Synth Playback Volume");
 163         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
 164                 return err;
 165         /* reassign AUXB to CD */
 166         strcpy(id1.name, "Aux Playback Switch"); id1.index = 1;
 167         strcpy(id2.name, "CD Playback Switch");
 168         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
 169                 return err;
 170         strcpy(id1.name, "Aux Playback Volume");
 171         strcpy(id2.name, "CD Playback Volume");
 172         if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0)
 173                 return err;
 174 #if 0
 175         /* reassign Mono Input to MIC */
 176         if (snd_mixer_group_rename(mixer,
 177                                 SNDRV_MIXER_IN_MONO, 0,
 178                                 SNDRV_MIXER_IN_MIC, 0) < 0)
 179                 goto __error;
 180         if (snd_mixer_elem_rename(mixer,
 181                                 SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT,
 182                                 SNDRV_MIXER_IN_MIC, 0) < 0)
 183                 goto __error;
 184         if (snd_mixer_elem_rename(mixer,
 185                                 "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1,
 186                                 "Mic Capture Volume", 0) < 0)
 187                 goto __error;
 188         if (snd_mixer_elem_rename(mixer,
 189                                 "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1,
 190                                 "Mic Capture Switch", 0) < 0)
 191                 goto __error;
 192 #endif
 193         return 0;
 194 }
 195
 196 static void snd_gusmax_free(struct snd_card *card)
 197 {
 198         struct snd_gusmax *maxcard = (struct snd_gusmax *)card->private_data;
 199
 200         if (maxcard == NULL)
 201                 return;
 202         if (maxcard->irq >= 0)
 203                 free_irq(maxcard->irq, (void *)maxcard);
 204 }
 205
 206 static int __devinit snd_gusmax_match(struct device *pdev, unsigned int dev)
 207 {
 208         return enable[dev];
 209 }
 210
 211 static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev)
 212 {
 213         static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1};
 214         static int possible_dmas[] = {5, 6, 7, 1, 3, -1};
 215         int xirq, xdma1, xdma2, err;
 216         struct snd_card *card;
 217         struct snd_gus_card *gus = NULL;
 218         struct snd_cs4231 *cs4231;
 219         struct snd_gusmax *maxcard;
 220
 221         card = snd_card_new(index[dev], id[dev], THIS_MODULE,
 222                             sizeof(struct snd_gusmax));
 223         if (card == NULL)
 224                 return -ENOMEM;
 225         card->private_free = snd_gusmax_free;
 226         maxcard = (struct snd_gusmax *)card->private_data;
 227         maxcard->card = card;
 228         maxcard->irq = -1;
 229
 230         xirq = irq[dev];
 231         if (xirq == SNDRV_AUTO_IRQ) {
 232                 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) {
 233                         snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
 234                         err = -EBUSY;
 235                         goto _err;
 236                 }
 237         }
 238         xdma1 = dma1[dev];
 239         if (xdma1 == SNDRV_AUTO_DMA) {
 240                 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
 241                         snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
 242                         err = -EBUSY;
 243                         goto _err;
 244                 }
 245         }
 246         xdma2 = dma2[dev];
 247         if (xdma2 == SNDRV_AUTO_DMA) {
 248                 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) {
 249                         snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
 250                         err = -EBUSY;
 251                         goto _err;
 252                 }
 253         }
 254
 255         if (port[dev] != SNDRV_AUTO_PORT) {
 256                 err = snd_gus_create(card,
 257                                      port[dev],
 258                                      -xirq, xdma1, xdma2,
 259                                      0, channels[dev],
 260                                      pcm_channels[dev],
 261                                      0, &gus);
 262         } else {
 263                 static unsigned long possible_ports[] = {
 264                         0x220, 0x230, 0x240, 0x250, 0x260
 265                 };
 266                 int i;
 267                 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) {
 268                         err = snd_gus_create(card,
 269                                              possible_ports[i],
 270                                              -xirq, xdma1, xdma2,
 271                                              0, channels[dev],
 272                                              pcm_channels[dev],
 273                                              0, &gus);
 274                         if (err >= 0) {
 275                                 port[dev] = possible_ports[i];
 276                                 break;
 277                         }
 278                 }
 279         }
 280         if (err < 0)
 281                 goto _err;
 282
 283         if ((err = snd_gusmax_detect(gus)) < 0)
 284                 goto _err;
 285
 286         maxcard->gus_status_reg = gus->gf1.reg_irqstat;
 287         maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2;
 288         snd_gusmax_init(dev, card, gus);
 289         if ((err = snd_gus_initialize(gus)) < 0)
 290                 goto _err;
 291
 292         if (!gus->max_flag) {
 293                 snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port);
 294                 err = -ENODEV;
 295                 goto _err;
 296         }
 297
 298         if (request_irq(xirq, snd_gusmax_interrupt, IRQF_DISABLED, "GUS MAX", (void *)maxcard)) {
 299                 snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq);
 300                 err = -EBUSY;
 301                 goto _err;
 302         }
 303         maxcard->irq = xirq;
 304
 305         if ((err = snd_cs4231_create(card,
 306                                      gus->gf1.port + 0x10c, -1, xirq,
 307                                      xdma2 < 0 ? xdma1 : xdma2, xdma1,
 308                                      CS4231_HW_DETECT,
 309                                      CS4231_HWSHARE_IRQ |
 310                                      CS4231_HWSHARE_DMA1 |
 311                                      CS4231_HWSHARE_DMA2,
 312                                      &cs4231)) < 0)
 313                 goto _err;
 314
 315         if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0)
 316                 goto _err;
 317
 318         if ((err = snd_cs4231_mixer(cs4231)) < 0)
 319                 goto _err;
 320
 321         if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0)
 322                 goto _err;
 323
 324         if (pcm_channels[dev] > 0) {
 325                 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0)
 326                         goto _err;
 327         }
 328         if ((err = snd_gusmax_mixer(cs4231)) < 0)
 329                 goto _err;
 330
 331         if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0)
 332                 goto _err;
 333
 334         sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1);
 335         if (xdma2 >= 0)
 336                 sprintf(card->longname + strlen(card->longname), "&%i", xdma2);
 337
 338         snd_card_set_dev(card, pdev);
 339
 340         if ((err = snd_card_register(card)) < 0)
 341                 goto _err;
 342
 343         maxcard->gus = gus;
 344         maxcard->cs4231 = cs4231;
 345
 346         dev_set_drvdata(pdev, card);
 347         return 0;
 348
 349  _err:
 350         snd_card_free(card);
 351         return err;
 352 }
 353
 354 static int __devexit snd_gusmax_remove(struct device *devptr, unsigned int dev)
 355 {
 356         snd_card_free(dev_get_drvdata(devptr));
 357         dev_set_drvdata(devptr, NULL);
 358         return 0;
 359 }
 360
 361 #define DEV_NAME "gusmax"
 362
 363 static struct isa_driver snd_gusmax_driver = {
 364         .match          = snd_gusmax_match,
 365         .probe          = snd_gusmax_probe,
 366         .remove         = __devexit_p(snd_gusmax_remove),
 367         /* FIXME: suspend/resume */
 368         .driver         = {
 369                 .name   = DEV_NAME
 370         },
 371 };
 372
 373 static int __init alsa_card_gusmax_init(void)
 374 {
 375         return isa_register_driver(&snd_gusmax_driver, SNDRV_CARDS);
 376 }
 377
 378 static void __exit alsa_card_gusmax_exit(void)
 379 {
 380         isa_unregister_driver(&snd_gusmax_driver);
 381 }
 382
 383 module_init(alsa_card_gusmax_init)
 384 module_exit(alsa_card_gusmax_exit)