git.oblomov.eu Git - linux-2.6/blob - sound/isa/gus/gus_main.c

   1 /*
   2  *  Routines for Gravis UltraSound soundcards
   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/interrupt.h>
  25 #include <linux/delay.h>
  26 #include <linux/slab.h>
  27 #include <linux/ioport.h>
  28 #include <sound/core.h>
  29 #include <sound/gus.h>
  30 #include <sound/control.h>
  31
  32 #include <asm/dma.h>
  33
  34 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
  35 MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards");
  36 MODULE_LICENSE("GPL");
  37
  38 static int snd_gus_init_dma_irq(snd_gus_card_t * gus, int latches);
  39
  40 int snd_gus_use_inc(snd_gus_card_t * gus)
  41 {
  42         if (!try_module_get(gus->card->module))
  43                 return 0;
  44         return 1;
  45 }
  46
  47 void snd_gus_use_dec(snd_gus_card_t * gus)
  48 {
  49         module_put(gus->card->module);
  50 }
  51
  52 static int snd_gus_joystick_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t * uinfo)
  53 {
  54         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
  55         uinfo->count = 1;
  56         uinfo->value.integer.min = 0;
  57         uinfo->value.integer.max = 31;
  58         return 0;
  59 }
  60
  61 static int snd_gus_joystick_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
  62 {
  63         snd_gus_card_t *gus = snd_kcontrol_chip(kcontrol);
  64
  65         ucontrol->value.integer.value[0] = gus->joystick_dac & 31;
  66         return 0;
  67 }
  68
  69 static int snd_gus_joystick_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol)
  70 {
  71         snd_gus_card_t *gus = snd_kcontrol_chip(kcontrol);
  72         unsigned long flags;
  73         int change;
  74         unsigned char nval;
  75
  76         nval = ucontrol->value.integer.value[0] & 31;
  77         spin_lock_irqsave(&gus->reg_lock, flags);
  78         change = gus->joystick_dac != nval;
  79         gus->joystick_dac = nval;
  80         snd_gf1_write8(gus, SNDRV_GF1_GB_JOYSTICK_DAC_LEVEL, gus->joystick_dac);
  81         spin_unlock_irqrestore(&gus->reg_lock, flags);
  82         return change;
  83 }
  84
  85 static snd_kcontrol_new_t snd_gus_joystick_control = {
  86         .iface = SNDRV_CTL_ELEM_IFACE_CARD,
  87         .name = "Joystick Speed",
  88         .info = snd_gus_joystick_info,
  89         .get = snd_gus_joystick_get,
  90         .put = snd_gus_joystick_put
  91 };
  92
  93 static void snd_gus_init_control(snd_gus_card_t *gus)
  94 {
  95         if (!gus->ace_flag)
  96                 snd_ctl_add(gus->card, snd_ctl_new1(&snd_gus_joystick_control, gus));
  97 }
  98
  99 /*
 100  *
 101  */
 102
 103 static int snd_gus_free(snd_gus_card_t *gus)
 104 {
 105         if (gus->gf1.res_port2 == NULL)
 106                 goto __hw_end;
 107 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
 108         if (gus->seq_dev) {
 109                 snd_device_free(gus->card, gus->seq_dev);
 110                 gus->seq_dev = NULL;
 111         }
 112 #endif
 113         snd_gf1_stop(gus);
 114         snd_gus_init_dma_irq(gus, 0);
 115       __hw_end:
 116         if (gus->gf1.res_port1) {
 117                 release_resource(gus->gf1.res_port1);
 118                 kfree_nocheck(gus->gf1.res_port1);
 119         }
 120         if (gus->gf1.res_port2) {
 121                 release_resource(gus->gf1.res_port2);
 122                 kfree_nocheck(gus->gf1.res_port2);
 123         }
 124         if (gus->gf1.irq >= 0)
 125                 free_irq(gus->gf1.irq, (void *) gus);
 126         if (gus->gf1.dma1 >= 0) {
 127                 disable_dma(gus->gf1.dma1);
 128                 free_dma(gus->gf1.dma1);
 129         }
 130         if (!gus->equal_dma && gus->gf1.dma2 >= 0) {
 131                 disable_dma(gus->gf1.dma2);
 132                 free_dma(gus->gf1.dma2);
 133         }
 134         kfree(gus);
 135         return 0;
 136 }
 137
 138 static int snd_gus_dev_free(snd_device_t *device)
 139 {
 140         snd_gus_card_t *gus = device->device_data;
 141         return snd_gus_free(gus);
 142 }
 143
 144 int snd_gus_create(snd_card_t * card,
 145                    unsigned long port,
 146                    int irq, int dma1, int dma2,
 147                    int timer_dev,
 148                    int voices,
 149                    int pcm_channels,
 150                    int effect,
 151                    snd_gus_card_t **rgus)
 152 {
 153         snd_gus_card_t *gus;
 154         int err;
 155         static snd_device_ops_t ops = {
 156                 .dev_free =     snd_gus_dev_free,
 157         };
 158
 159         *rgus = NULL;
 160         gus = kcalloc(1, sizeof(*gus), GFP_KERNEL);
 161         if (gus == NULL)
 162                 return -ENOMEM;
 163         gus->gf1.irq = -1;
 164         gus->gf1.dma1 = -1;
 165         gus->gf1.dma2 = -1;
 166         gus->card = card;
 167         gus->gf1.port = port;
 168         /* fill register variables for speedup */
 169         gus->gf1.reg_page = GUSP(gus, GF1PAGE);
 170         gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL);
 171         gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH);
 172         gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW);
 173         gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT);
 174         gus->gf1.reg_dram = GUSP(gus, DRAM);
 175         gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL);
 176         gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA);
 177         /* allocate resources */
 178         if ((gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)")) == NULL) {
 179                 snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port);
 180                 snd_gus_free(gus);
 181                 return -EBUSY;
 182         }
 183         if ((gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)")) == NULL) {
 184                 snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100);
 185                 snd_gus_free(gus);
 186                 return -EBUSY;
 187         }
 188         if (irq >= 0 && request_irq(irq, snd_gus_interrupt, SA_INTERRUPT, "GUS GF1", (void *) gus)) {
 189                 snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq);
 190                 snd_gus_free(gus);
 191                 return -EBUSY;
 192         }
 193         gus->gf1.irq = irq;
 194         if (request_dma(dma1, "GUS - 1")) {
 195                 snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1);
 196                 snd_gus_free(gus);
 197                 return -EBUSY;
 198         }
 199         gus->gf1.dma1 = dma1;
 200         if (dma2 >= 0 && dma1 != dma2) {
 201                 if (request_dma(dma2, "GUS - 2")) {
 202                         snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2);
 203                         snd_gus_free(gus);
 204                         return -EBUSY;
 205                 }
 206                 gus->gf1.dma2 = dma2;
 207         } else {
 208                 gus->gf1.dma2 = gus->gf1.dma1;
 209                 gus->equal_dma = 1;
 210         }
 211         gus->timer_dev = timer_dev;
 212         if (voices < 14)
 213                 voices = 14;
 214         if (voices > 32)
 215                 voices = 32;
 216         if (pcm_channels < 0)
 217                 pcm_channels = 0;
 218         if (pcm_channels > 8)
 219                 pcm_channels = 8;
 220         pcm_channels++;
 221         pcm_channels &= ~1;
 222         gus->gf1.effect = effect ? 1 : 0;
 223         gus->gf1.active_voices = voices;
 224         gus->gf1.pcm_channels = pcm_channels;
 225         gus->gf1.volume_ramp = 25;
 226         gus->gf1.smooth_pan = 1;
 227         spin_lock_init(&gus->reg_lock);
 228         spin_lock_init(&gus->voice_alloc);
 229         spin_lock_init(&gus->active_voice_lock);
 230         spin_lock_init(&gus->event_lock);
 231         spin_lock_init(&gus->dma_lock);
 232         spin_lock_init(&gus->pcm_volume_level_lock);
 233         spin_lock_init(&gus->uart_cmd_lock);
 234         init_MUTEX(&gus->dma_mutex);
 235         if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) {
 236                 snd_gus_free(gus);
 237                 return err;
 238         }
 239         *rgus = gus;
 240         return 0;
 241 }
 242
 243 /*
 244  *  Memory detection routine for plain GF1 soundcards
 245  */
 246
 247 static int snd_gus_detect_memory(snd_gus_card_t * gus)
 248 {
 249         int l, idx, local;
 250         unsigned char d;
 251
 252         snd_gf1_poke(gus, 0L, 0xaa);
 253         snd_gf1_poke(gus, 1L, 0x55);
 254         if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) {
 255                 snd_printk("plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port);
 256                 return -ENOMEM;
 257         }
 258         for (idx = 1, d = 0xab; idx < 4; idx++, d++) {
 259                 local = idx << 18;
 260                 snd_gf1_poke(gus, local, d);
 261                 snd_gf1_poke(gus, local + 1, d + 1);
 262                 if (snd_gf1_peek(gus, local) != d ||
 263                     snd_gf1_peek(gus, local + 1) != d + 1 ||
 264                     snd_gf1_peek(gus, 0L) != 0xaa)
 265                         break;
 266         }
 267 #if 1
 268         gus->gf1.memory = idx << 18;
 269 #else
 270         gus->gf1.memory = 256 * 1024;
 271 #endif
 272         for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) {
 273                 gus->gf1.mem_alloc.banks_8[l].address =
 274                     gus->gf1.mem_alloc.banks_8[l].size = 0;
 275                 gus->gf1.mem_alloc.banks_16[l].address = l << 18;
 276                 gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0;
 277         }
 278         gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory;
 279         return 0;               /* some memory were detected */
 280 }
 281
 282 static int snd_gus_init_dma_irq(snd_gus_card_t * gus, int latches)
 283 {
 284         snd_card_t *card;
 285         unsigned long flags;
 286         int irq, dma1, dma2;
 287         static unsigned char irqs[16] =
 288                 {0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7};
 289         static unsigned char dmas[8] =
 290                 {6, 1, 0, 2, 0, 3, 4, 5};
 291
 292         snd_assert(gus != NULL, return -EINVAL);
 293         card = gus->card;
 294         snd_assert(card != NULL, return -EINVAL);
 295
 296         gus->mix_cntrl_reg &= 0xf8;
 297         gus->mix_cntrl_reg |= 0x01;     /* disable MIC, LINE IN, enable LINE OUT */
 298         if (gus->codec_flag || gus->ess_flag) {
 299                 gus->mix_cntrl_reg &= ~1;       /* enable LINE IN */
 300                 gus->mix_cntrl_reg |= 4;        /* enable MIC */
 301         }
 302         dma1 = gus->gf1.dma1;
 303         dma1 = dma1 < 0 ? -dma1 : dma1;
 304         dma1 = dmas[dma1 & 7];
 305         dma2 = gus->gf1.dma2;
 306         dma2 = dma2 < 0 ? -dma2 : dma2;
 307         dma2 = dmas[dma2 & 7];
 308 #if 0
 309         printk("dma1 = %i, dma2 = %i\n", gus->gf1.dma1, gus->gf1.dma2);
 310 #endif
 311         dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3);
 312
 313         if ((dma1 & 7) == 0 || (dma2 & 7) == 0) {
 314                 snd_printk("Error! DMA isn't defined.\n");
 315                 return -EINVAL;
 316         }
 317         irq = gus->gf1.irq;
 318         irq = irq < 0 ? -irq : irq;
 319         irq = irqs[irq & 0x0f];
 320         if (irq == 0) {
 321                 snd_printk("Error! IRQ isn't defined.\n");
 322                 return -EINVAL;
 323         }
 324         irq |= 0x40;
 325 #if 0
 326         card->mixer.mix_ctrl_reg |= 0x10;
 327 #endif
 328
 329         spin_lock_irqsave(&gus->reg_lock, flags);
 330         outb(5, GUSP(gus, REGCNTRLS));
 331         outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
 332         outb(0x00, GUSP(gus, IRQDMACNTRLREG));
 333         outb(0, GUSP(gus, REGCNTRLS));
 334         spin_unlock_irqrestore(&gus->reg_lock, flags);
 335
 336         udelay(100);
 337
 338         spin_lock_irqsave(&gus->reg_lock, flags);
 339         outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
 340         outb(dma1, GUSP(gus, IRQDMACNTRLREG));
 341         if (latches) {
 342                 outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
 343                 outb(irq, GUSP(gus, IRQDMACNTRLREG));
 344         }
 345         spin_unlock_irqrestore(&gus->reg_lock, flags);
 346
 347         udelay(100);
 348
 349         spin_lock_irqsave(&gus->reg_lock, flags);
 350         outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
 351         outb(dma1, GUSP(gus, IRQDMACNTRLREG));
 352         if (latches) {
 353                 outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
 354                 outb(irq, GUSP(gus, IRQDMACNTRLREG));
 355         }
 356         spin_unlock_irqrestore(&gus->reg_lock, flags);
 357
 358         snd_gf1_delay(gus);
 359
 360         if (latches)
 361                 gus->mix_cntrl_reg |= 0x08;     /* enable latches */
 362         else
 363                 gus->mix_cntrl_reg &= ~0x08;    /* disable latches */
 364         spin_lock_irqsave(&gus->reg_lock, flags);
 365         outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG));
 366         outb(0, GUSP(gus, GF1PAGE));
 367         spin_unlock_irqrestore(&gus->reg_lock, flags);
 368
 369         return 0;
 370 }
 371
 372 static int snd_gus_check_version(snd_gus_card_t * gus)
 373 {
 374         unsigned long flags;
 375         unsigned char val, rev;
 376         snd_card_t *card;
 377
 378         card = gus->card;
 379         spin_lock_irqsave(&gus->reg_lock, flags);
 380         outb(0x20, GUSP(gus, REGCNTRLS));
 381         val = inb(GUSP(gus, REGCNTRLS));
 382         rev = inb(GUSP(gus, BOARDVERSION));
 383         spin_unlock_irqrestore(&gus->reg_lock, flags);
 384         snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev);
 385         strcpy(card->driver, "GUS");
 386         strcpy(card->longname, "Gravis UltraSound Classic (2.4)");
 387         if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) {
 388                 if (rev >= 5 && rev <= 9) {
 389                         gus->ics_flag = 1;
 390                         if (rev == 5)
 391                                 gus->ics_flipped = 1;
 392                         card->longname[27] = '3';
 393                         card->longname[29] = rev == 5 ? '5' : '7';
 394                 }
 395                 if (rev >= 10 && rev != 255) {
 396                         if (rev >= 10 && rev <= 11) {
 397                                 strcpy(card->driver, "GUS MAX");
 398                                 strcpy(card->longname, "Gravis UltraSound MAX");
 399                                 gus->max_flag = 1;
 400                         } else if (rev == 0x30) {
 401                                 strcpy(card->driver, "GUS ACE");
 402                                 strcpy(card->longname, "Gravis UltraSound Ace");
 403                                 gus->ace_flag = 1;
 404                         } else if (rev == 0x50) {
 405                                 strcpy(card->driver, "GUS Extreme");
 406                                 strcpy(card->longname, "Gravis UltraSound Extreme");
 407                                 gus->ess_flag = 1;
 408                         } else {
 409                                 snd_printk("unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val);
 410                                 snd_printk("  please - report to <perex@suse.cz>\n");
 411                         }
 412                 }
 413         }
 414         strcpy(card->shortname, card->longname);
 415         gus->uart_enable = 1;   /* standard GUSes doesn't have midi uart trouble */
 416         snd_gus_init_control(gus);
 417         return 0;
 418 }
 419
 420 static void snd_gus_seq_dev_free(snd_seq_device_t *seq_dev)
 421 {
 422         snd_gus_card_t *gus = seq_dev->private_data;
 423         gus->seq_dev = NULL;
 424 }
 425
 426 int snd_gus_initialize(snd_gus_card_t *gus)
 427 {
 428         int err;
 429
 430         if (!gus->interwave) {
 431                 if ((err = snd_gus_check_version(gus)) < 0) {
 432                         snd_printk("version check failed\n");
 433                         return err;
 434                 }
 435                 if ((err = snd_gus_detect_memory(gus)) < 0)
 436                         return err;
 437         }
 438         if ((err = snd_gus_init_dma_irq(gus, 1)) < 0)
 439                 return err;
 440 #if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && defined(CONFIG_SND_SEQUENCER_MODULE))
 441         if (snd_seq_device_new(gus->card, 1, SNDRV_SEQ_DEV_ID_GUS,
 442                                sizeof(snd_gus_card_t*), &gus->seq_dev) >= 0) {
 443                 strcpy(gus->seq_dev->name, "GUS");
 444                 *(snd_gus_card_t**)SNDRV_SEQ_DEVICE_ARGPTR(gus->seq_dev) = gus;
 445                 gus->seq_dev->private_data = gus;
 446                 gus->seq_dev->private_free = snd_gus_seq_dev_free;
 447         }
 448 #endif
 449         snd_gf1_start(gus);
 450         gus->initialized = 1;
 451         return 0;
 452 }
 453
 454   /* gus_io.c */
 455 EXPORT_SYMBOL(snd_gf1_delay);
 456 EXPORT_SYMBOL(snd_gf1_write8);
 457 EXPORT_SYMBOL(snd_gf1_look8);
 458 EXPORT_SYMBOL(snd_gf1_write16);
 459 EXPORT_SYMBOL(snd_gf1_look16);
 460 EXPORT_SYMBOL(snd_gf1_i_write8);
 461 EXPORT_SYMBOL(snd_gf1_i_look8);
 462 EXPORT_SYMBOL(snd_gf1_i_look16);
 463 EXPORT_SYMBOL(snd_gf1_dram_addr);
 464 EXPORT_SYMBOL(snd_gf1_write_addr);
 465 EXPORT_SYMBOL(snd_gf1_poke);
 466 EXPORT_SYMBOL(snd_gf1_peek);
 467   /* gus_reset.c */
 468 EXPORT_SYMBOL(snd_gf1_alloc_voice);
 469 EXPORT_SYMBOL(snd_gf1_free_voice);
 470 EXPORT_SYMBOL(snd_gf1_ctrl_stop);
 471 EXPORT_SYMBOL(snd_gf1_stop_voice);
 472   /* gus_mixer.c */
 473 EXPORT_SYMBOL(snd_gf1_new_mixer);
 474   /* gus_pcm.c */
 475 EXPORT_SYMBOL(snd_gf1_pcm_new);
 476   /* gus.c */
 477 EXPORT_SYMBOL(snd_gus_use_inc);
 478 EXPORT_SYMBOL(snd_gus_use_dec);
 479 EXPORT_SYMBOL(snd_gus_create);
 480 EXPORT_SYMBOL(snd_gus_initialize);
 481   /* gus_irq.c */
 482 EXPORT_SYMBOL(snd_gus_interrupt);
 483   /* gus_uart.c */
 484 EXPORT_SYMBOL(snd_gf1_rawmidi_new);
 485   /* gus_dram.c */
 486 EXPORT_SYMBOL(snd_gus_dram_write);
 487 EXPORT_SYMBOL(snd_gus_dram_read);
 488   /* gus_volume.c */
 489 EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw);
 490 EXPORT_SYMBOL(snd_gf1_translate_freq);
 491   /* gus_mem.c */
 492 EXPORT_SYMBOL(snd_gf1_mem_alloc);
 493 EXPORT_SYMBOL(snd_gf1_mem_xfree);
 494 EXPORT_SYMBOL(snd_gf1_mem_free);
 495 EXPORT_SYMBOL(snd_gf1_mem_lock);
 496
 497 /*
 498  *  INIT part
 499  */
 500
 501 static int __init alsa_gus_init(void)
 502 {
 503         return 0;
 504 }
 505
 506 static void __exit alsa_gus_exit(void)
 507 {
 508 }
 509
 510 module_init(alsa_gus_init)
 511 module_exit(alsa_gus_exit)