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