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