1 /* 2 * Routines for Gravis UltraSound soundcards 3 * Copyright (c) by Jaroslav Kysela <perex@perex.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 <linux/init.h> 23 #include <linux/interrupt.h> 24 #include <linux/delay.h> 25 #include <linux/slab.h> 26 #include <linux/ioport.h> 27 #include <linux/module.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@perex.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 snd_gf1_stop(gus); 108 snd_gus_init_dma_irq(gus, 0); 109 __hw_end: 110 release_and_free_resource(gus->gf1.res_port1); 111 release_and_free_resource(gus->gf1.res_port2); 112 if (gus->gf1.irq >= 0) 113 free_irq(gus->gf1.irq, (void *) gus); 114 if (gus->gf1.dma1 >= 0) { 115 disable_dma(gus->gf1.dma1); 116 free_dma(gus->gf1.dma1); 117 } 118 if (!gus->equal_dma && gus->gf1.dma2 >= 0) { 119 disable_dma(gus->gf1.dma2); 120 free_dma(gus->gf1.dma2); 121 } 122 kfree(gus); 123 return 0; 124 } 125 126 static int snd_gus_dev_free(struct snd_device *device) 127 { 128 struct snd_gus_card *gus = device->device_data; 129 return snd_gus_free(gus); 130 } 131 132 int snd_gus_create(struct snd_card *card, 133 unsigned long port, 134 int irq, int dma1, int dma2, 135 int timer_dev, 136 int voices, 137 int pcm_channels, 138 int effect, 139 struct snd_gus_card **rgus) 140 { 141 struct snd_gus_card *gus; 142 int err; 143 static struct snd_device_ops ops = { 144 .dev_free = snd_gus_dev_free, 145 }; 146 147 *rgus = NULL; 148 gus = kzalloc(sizeof(*gus), GFP_KERNEL); 149 if (gus == NULL) 150 return -ENOMEM; 151 spin_lock_init(&gus->reg_lock); 152 spin_lock_init(&gus->voice_alloc); 153 spin_lock_init(&gus->active_voice_lock); 154 spin_lock_init(&gus->event_lock); 155 spin_lock_init(&gus->dma_lock); 156 spin_lock_init(&gus->pcm_volume_level_lock); 157 spin_lock_init(&gus->uart_cmd_lock); 158 mutex_init(&gus->dma_mutex); 159 gus->gf1.irq = -1; 160 gus->gf1.dma1 = -1; 161 gus->gf1.dma2 = -1; 162 gus->card = card; 163 gus->gf1.port = port; 164 /* fill register variables for speedup */ 165 gus->gf1.reg_page = GUSP(gus, GF1PAGE); 166 gus->gf1.reg_regsel = GUSP(gus, GF1REGSEL); 167 gus->gf1.reg_data8 = GUSP(gus, GF1DATAHIGH); 168 gus->gf1.reg_data16 = GUSP(gus, GF1DATALOW); 169 gus->gf1.reg_irqstat = GUSP(gus, IRQSTAT); 170 gus->gf1.reg_dram = GUSP(gus, DRAM); 171 gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL); 172 gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA); 173 /* allocate resources */ 174 if ((gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)")) == NULL) { 175 snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port); 176 snd_gus_free(gus); 177 return -EBUSY; 178 } 179 if ((gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)")) == NULL) { 180 snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100); 181 snd_gus_free(gus); 182 return -EBUSY; 183 } 184 if (irq >= 0 && request_irq(irq, snd_gus_interrupt, 0, "GUS GF1", (void *) gus)) { 185 snd_printk(KERN_ERR "gus: can't grab irq %d\n", irq); 186 snd_gus_free(gus); 187 return -EBUSY; 188 } 189 gus->gf1.irq = irq; 190 if (request_dma(dma1, "GUS - 1")) { 191 snd_printk(KERN_ERR "gus: can't grab DMA1 %d\n", dma1); 192 snd_gus_free(gus); 193 return -EBUSY; 194 } 195 gus->gf1.dma1 = dma1; 196 if (dma2 >= 0 && dma1 != dma2) { 197 if (request_dma(dma2, "GUS - 2")) { 198 snd_printk(KERN_ERR "gus: can't grab DMA2 %d\n", dma2); 199 snd_gus_free(gus); 200 return -EBUSY; 201 } 202 gus->gf1.dma2 = dma2; 203 } else { 204 gus->gf1.dma2 = gus->gf1.dma1; 205 gus->equal_dma = 1; 206 } 207 gus->timer_dev = timer_dev; 208 if (voices < 14) 209 voices = 14; 210 if (voices > 32) 211 voices = 32; 212 if (pcm_channels < 0) 213 pcm_channels = 0; 214 if (pcm_channels > 8) 215 pcm_channels = 8; 216 pcm_channels++; 217 pcm_channels &= ~1; 218 gus->gf1.effect = effect ? 1 : 0; 219 gus->gf1.active_voices = voices; 220 gus->gf1.pcm_channels = pcm_channels; 221 gus->gf1.volume_ramp = 25; 222 gus->gf1.smooth_pan = 1; 223 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) { 224 snd_gus_free(gus); 225 return err; 226 } 227 *rgus = gus; 228 return 0; 229 } 230 231 /* 232 * Memory detection routine for plain GF1 soundcards 233 */ 234 235 static int snd_gus_detect_memory(struct snd_gus_card * gus) 236 { 237 int l, idx, local; 238 unsigned char d; 239 240 snd_gf1_poke(gus, 0L, 0xaa); 241 snd_gf1_poke(gus, 1L, 0x55); 242 if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) { 243 snd_printk(KERN_ERR "plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port); 244 return -ENOMEM; 245 } 246 for (idx = 1, d = 0xab; idx < 4; idx++, d++) { 247 local = idx << 18; 248 snd_gf1_poke(gus, local, d); 249 snd_gf1_poke(gus, local + 1, d + 1); 250 if (snd_gf1_peek(gus, local) != d || 251 snd_gf1_peek(gus, local + 1) != d + 1 || 252 snd_gf1_peek(gus, 0L) != 0xaa) 253 break; 254 } 255 #if 1 256 gus->gf1.memory = idx << 18; 257 #else 258 gus->gf1.memory = 256 * 1024; 259 #endif 260 for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) { 261 gus->gf1.mem_alloc.banks_8[l].address = 262 gus->gf1.mem_alloc.banks_8[l].size = 0; 263 gus->gf1.mem_alloc.banks_16[l].address = l << 18; 264 gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0; 265 } 266 gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory; 267 return 0; /* some memory were detected */ 268 } 269 270 static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches) 271 { 272 struct snd_card *card; 273 unsigned long flags; 274 int irq, dma1, dma2; 275 static unsigned char irqs[16] = 276 {0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7}; 277 static unsigned char dmas[8] = 278 {6, 1, 0, 2, 0, 3, 4, 5}; 279 280 if (snd_BUG_ON(!gus)) 281 return -EINVAL; 282 card = gus->card; 283 if (snd_BUG_ON(!card)) 284 return -EINVAL; 285 286 gus->mix_cntrl_reg &= 0xf8; 287 gus->mix_cntrl_reg |= 0x01; /* disable MIC, LINE IN, enable LINE OUT */ 288 if (gus->codec_flag || gus->ess_flag) { 289 gus->mix_cntrl_reg &= ~1; /* enable LINE IN */ 290 gus->mix_cntrl_reg |= 4; /* enable MIC */ 291 } 292 dma1 = gus->gf1.dma1; 293 dma1 = abs(dma1); 294 dma1 = dmas[dma1 & 7]; 295 dma2 = gus->gf1.dma2; 296 dma2 = abs(dma2); 297 dma2 = dmas[dma2 & 7]; 298 dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3); 299 300 if ((dma1 & 7) == 0 || (dma2 & 7) == 0) { 301 snd_printk(KERN_ERR "Error! DMA isn't defined.\n"); 302 return -EINVAL; 303 } 304 irq = gus->gf1.irq; 305 irq = abs(irq); 306 irq = irqs[irq & 0x0f]; 307 if (irq == 0) { 308 snd_printk(KERN_ERR "Error! IRQ isn't defined.\n"); 309 return -EINVAL; 310 } 311 irq |= 0x40; 312 #if 0 313 card->mixer.mix_ctrl_reg |= 0x10; 314 #endif 315 316 spin_lock_irqsave(&gus->reg_lock, flags); 317 outb(5, GUSP(gus, REGCNTRLS)); 318 outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); 319 outb(0x00, GUSP(gus, IRQDMACNTRLREG)); 320 outb(0, GUSP(gus, REGCNTRLS)); 321 spin_unlock_irqrestore(&gus->reg_lock, flags); 322 323 udelay(100); 324 325 spin_lock_irqsave(&gus->reg_lock, flags); 326 outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); 327 outb(dma1, GUSP(gus, IRQDMACNTRLREG)); 328 if (latches) { 329 outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); 330 outb(irq, GUSP(gus, IRQDMACNTRLREG)); 331 } 332 spin_unlock_irqrestore(&gus->reg_lock, flags); 333 334 udelay(100); 335 336 spin_lock_irqsave(&gus->reg_lock, flags); 337 outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); 338 outb(dma1, GUSP(gus, IRQDMACNTRLREG)); 339 if (latches) { 340 outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); 341 outb(irq, GUSP(gus, IRQDMACNTRLREG)); 342 } 343 spin_unlock_irqrestore(&gus->reg_lock, flags); 344 345 snd_gf1_delay(gus); 346 347 if (latches) 348 gus->mix_cntrl_reg |= 0x08; /* enable latches */ 349 else 350 gus->mix_cntrl_reg &= ~0x08; /* disable latches */ 351 spin_lock_irqsave(&gus->reg_lock, flags); 352 outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); 353 outb(0, GUSP(gus, GF1PAGE)); 354 spin_unlock_irqrestore(&gus->reg_lock, flags); 355 356 return 0; 357 } 358 359 static int snd_gus_check_version(struct snd_gus_card * gus) 360 { 361 unsigned long flags; 362 unsigned char val, rev; 363 struct snd_card *card; 364 365 card = gus->card; 366 spin_lock_irqsave(&gus->reg_lock, flags); 367 outb(0x20, GUSP(gus, REGCNTRLS)); 368 val = inb(GUSP(gus, REGCNTRLS)); 369 rev = inb(GUSP(gus, BOARDVERSION)); 370 spin_unlock_irqrestore(&gus->reg_lock, flags); 371 snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev); 372 strcpy(card->driver, "GUS"); 373 strcpy(card->longname, "Gravis UltraSound Classic (2.4)"); 374 if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) { 375 if (rev >= 5 && rev <= 9) { 376 gus->ics_flag = 1; 377 if (rev == 5) 378 gus->ics_flipped = 1; 379 card->longname[27] = '3'; 380 card->longname[29] = rev == 5 ? '5' : '7'; 381 } 382 if (rev >= 10 && rev != 255) { 383 if (rev >= 10 && rev <= 11) { 384 strcpy(card->driver, "GUS MAX"); 385 strcpy(card->longname, "Gravis UltraSound MAX"); 386 gus->max_flag = 1; 387 } else if (rev == 0x30) { 388 strcpy(card->driver, "GUS ACE"); 389 strcpy(card->longname, "Gravis UltraSound Ace"); 390 gus->ace_flag = 1; 391 } else if (rev == 0x50) { 392 strcpy(card->driver, "GUS Extreme"); 393 strcpy(card->longname, "Gravis UltraSound Extreme"); 394 gus->ess_flag = 1; 395 } else { 396 snd_printk(KERN_ERR "unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val); 397 snd_printk(KERN_ERR " please - report to <perex@perex.cz>\n"); 398 } 399 } 400 } 401 strcpy(card->shortname, card->longname); 402 gus->uart_enable = 1; /* standard GUSes doesn't have midi uart trouble */ 403 snd_gus_init_control(gus); 404 return 0; 405 } 406 407 int snd_gus_initialize(struct snd_gus_card *gus) 408 { 409 int err; 410 411 if (!gus->interwave) { 412 if ((err = snd_gus_check_version(gus)) < 0) { 413 snd_printk(KERN_ERR "version check failed\n"); 414 return err; 415 } 416 if ((err = snd_gus_detect_memory(gus)) < 0) 417 return err; 418 } 419 if ((err = snd_gus_init_dma_irq(gus, 1)) < 0) 420 return err; 421 snd_gf1_start(gus); 422 gus->initialized = 1; 423 return 0; 424 } 425 426 /* gus_io.c */ 427 EXPORT_SYMBOL(snd_gf1_delay); 428 EXPORT_SYMBOL(snd_gf1_write8); 429 EXPORT_SYMBOL(snd_gf1_look8); 430 EXPORT_SYMBOL(snd_gf1_write16); 431 EXPORT_SYMBOL(snd_gf1_look16); 432 EXPORT_SYMBOL(snd_gf1_i_write8); 433 EXPORT_SYMBOL(snd_gf1_i_look8); 434 EXPORT_SYMBOL(snd_gf1_i_look16); 435 EXPORT_SYMBOL(snd_gf1_dram_addr); 436 EXPORT_SYMBOL(snd_gf1_write_addr); 437 EXPORT_SYMBOL(snd_gf1_poke); 438 EXPORT_SYMBOL(snd_gf1_peek); 439 /* gus_reset.c */ 440 EXPORT_SYMBOL(snd_gf1_alloc_voice); 441 EXPORT_SYMBOL(snd_gf1_free_voice); 442 EXPORT_SYMBOL(snd_gf1_ctrl_stop); 443 EXPORT_SYMBOL(snd_gf1_stop_voice); 444 /* gus_mixer.c */ 445 EXPORT_SYMBOL(snd_gf1_new_mixer); 446 /* gus_pcm.c */ 447 EXPORT_SYMBOL(snd_gf1_pcm_new); 448 /* gus.c */ 449 EXPORT_SYMBOL(snd_gus_use_inc); 450 EXPORT_SYMBOL(snd_gus_use_dec); 451 EXPORT_SYMBOL(snd_gus_create); 452 EXPORT_SYMBOL(snd_gus_initialize); 453 /* gus_irq.c */ 454 EXPORT_SYMBOL(snd_gus_interrupt); 455 /* gus_uart.c */ 456 EXPORT_SYMBOL(snd_gf1_rawmidi_new); 457 /* gus_dram.c */ 458 EXPORT_SYMBOL(snd_gus_dram_write); 459 EXPORT_SYMBOL(snd_gus_dram_read); 460 /* gus_volume.c */ 461 EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw); 462 EXPORT_SYMBOL(snd_gf1_translate_freq); 463 /* gus_mem.c */ 464 EXPORT_SYMBOL(snd_gf1_mem_alloc); 465 EXPORT_SYMBOL(snd_gf1_mem_xfree); 466 EXPORT_SYMBOL(snd_gf1_mem_free); 467 EXPORT_SYMBOL(snd_gf1_mem_lock); 468 469 /* 470 * INIT part 471 */ 472 473 static int __init alsa_gus_init(void) 474 { 475 return 0; 476 } 477 478 static void __exit alsa_gus_exit(void) 479 { 480 } 481 482 module_init(alsa_gus_init) 483 module_exit(alsa_gus_exit) 484