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