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 34MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 35MODULE_DESCRIPTION("Routines for Gravis UltraSound soundcards"); 36MODULE_LICENSE("GPL"); 37 38static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches); 39 40int 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 47void snd_gus_use_dec(struct snd_gus_card * gus) 48{ 49 module_put(gus->card->module); 50} 51 52static 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 61static 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 69static 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 85static 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 93static 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 103static 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) && \ 108 defined(CONFIG_SND_SEQUENCER_MODULE)) 109 if (gus->seq_dev) { 110 snd_device_free(gus->card, gus->seq_dev); 111 gus->seq_dev = NULL; 112 } 113#endif 114 snd_gf1_stop(gus); 115 snd_gus_init_dma_irq(gus, 0); 116 __hw_end: 117 release_and_free_resource(gus->gf1.res_port1); 118 release_and_free_resource(gus->gf1.res_port2); 119 if (gus->gf1.irq >= 0) 120 free_irq(gus->gf1.irq, (void *) gus); 121 if (gus->gf1.dma1 >= 0) { 122 disable_dma(gus->gf1.dma1); 123 free_dma(gus->gf1.dma1); 124 } 125 if (!gus->equal_dma && gus->gf1.dma2 >= 0) { 126 disable_dma(gus->gf1.dma2); 127 free_dma(gus->gf1.dma2); 128 } 129 kfree(gus); 130 return 0; 131} 132 133static int snd_gus_dev_free(struct snd_device *device) 134{ 135 struct snd_gus_card *gus = device->device_data; 136 return snd_gus_free(gus); 137} 138 139int snd_gus_create(struct snd_card *card, 140 unsigned long port, 141 int irq, int dma1, int dma2, 142 int timer_dev, 143 int voices, 144 int pcm_channels, 145 int effect, 146 struct snd_gus_card **rgus) 147{ 148 struct snd_gus_card *gus; 149 int err; 150 static struct snd_device_ops ops = { 151 .dev_free = snd_gus_dev_free, 152 }; 153 154 *rgus = NULL; 155 gus = kzalloc(sizeof(*gus), GFP_KERNEL); 156 if (gus == NULL) 157 return -ENOMEM; 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 spin_lock_init(&gus->reg_lock); 223 spin_lock_init(&gus->voice_alloc); 224 spin_lock_init(&gus->active_voice_lock); 225 spin_lock_init(&gus->event_lock); 226 spin_lock_init(&gus->dma_lock); 227 spin_lock_init(&gus->pcm_volume_level_lock); 228 spin_lock_init(&gus->uart_cmd_lock); 229 mutex_init(&gus->dma_mutex); 230 if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) { 231 snd_gus_free(gus); 232 return err; 233 } 234 *rgus = gus; 235 return 0; 236} 237 238/* 239 * Memory detection routine for plain GF1 soundcards 240 */ 241 242static int snd_gus_detect_memory(struct snd_gus_card * gus) 243{ 244 int l, idx, local; 245 unsigned char d; 246 247 snd_gf1_poke(gus, 0L, 0xaa); 248 snd_gf1_poke(gus, 1L, 0x55); 249 if (snd_gf1_peek(gus, 0L) != 0xaa || snd_gf1_peek(gus, 1L) != 0x55) { 250 snd_printk(KERN_ERR "plain GF1 card at 0x%lx without onboard DRAM?\n", gus->gf1.port); 251 return -ENOMEM; 252 } 253 for (idx = 1, d = 0xab; idx < 4; idx++, d++) { 254 local = idx << 18; 255 snd_gf1_poke(gus, local, d); 256 snd_gf1_poke(gus, local + 1, d + 1); 257 if (snd_gf1_peek(gus, local) != d || 258 snd_gf1_peek(gus, local + 1) != d + 1 || 259 snd_gf1_peek(gus, 0L) != 0xaa) 260 break; 261 } 262 gus->gf1.memory = idx << 18; 263 for (l = 0, local = gus->gf1.memory; l < 4; l++, local -= 256 * 1024) { 264 gus->gf1.mem_alloc.banks_8[l].address = 265 gus->gf1.mem_alloc.banks_8[l].size = 0; 266 gus->gf1.mem_alloc.banks_16[l].address = l << 18; 267 gus->gf1.mem_alloc.banks_16[l].size = local > 0 ? 256 * 1024 : 0; 268 } 269 gus->gf1.mem_alloc.banks_8[0].size = gus->gf1.memory; 270 return 0; /* some memory were detected */ 271} 272 273static int snd_gus_init_dma_irq(struct snd_gus_card * gus, int latches) 274{ 275 struct snd_card *card; 276 unsigned long flags; 277 int irq, dma1, dma2; 278 static unsigned char irqs[16] = 279 {0, 0, 1, 3, 0, 2, 0, 4, 0, 1, 0, 5, 6, 0, 0, 7}; 280 static unsigned char dmas[8] = 281 {6, 1, 0, 2, 0, 3, 4, 5}; 282 283 snd_assert(gus != NULL, return -EINVAL); 284 card = gus->card; 285 snd_assert(card != NULL, return -EINVAL); 286 287 gus->mix_cntrl_reg &= 0xf8; 288 gus->mix_cntrl_reg |= 0x01; /* disable MIC, LINE IN, enable LINE OUT */ 289 if (gus->codec_flag || gus->ess_flag) { 290 gus->mix_cntrl_reg &= ~1; /* enable LINE IN */ 291 gus->mix_cntrl_reg |= 4; /* enable MIC */ 292 } 293 dma1 = gus->gf1.dma1; 294 dma1 = abs(dma1); 295 dma1 = dmas[dma1 & 7]; 296 dma2 = gus->gf1.dma2; 297 dma2 = abs(dma2); 298 dma2 = dmas[dma2 & 7]; 299 dma1 |= gus->equal_dma ? 0x40 : (dma2 << 3); 300 301 if ((dma1 & 7) == 0 || (dma2 & 7) == 0) { 302 snd_printk(KERN_ERR "Error! DMA isn't defined.\n"); 303 return -EINVAL; 304 } 305 irq = gus->gf1.irq; 306 irq = abs(irq); 307 irq = irqs[irq & 0x0f]; 308 if (irq == 0) { 309 snd_printk(KERN_ERR "Error! IRQ isn't defined.\n"); 310 return -EINVAL; 311 } 312 irq |= 0x40; 313 314 spin_lock_irqsave(&gus->reg_lock, flags); 315 outb(5, GUSP(gus, REGCNTRLS)); 316 outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); 317 outb(0x00, GUSP(gus, IRQDMACNTRLREG)); 318 outb(0, GUSP(gus, REGCNTRLS)); 319 spin_unlock_irqrestore(&gus->reg_lock, flags); 320 321 udelay(100); 322 323 spin_lock_irqsave(&gus->reg_lock, flags); 324 outb(0x00 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); 325 outb(dma1, GUSP(gus, IRQDMACNTRLREG)); 326 if (latches) { 327 outb(0x40 | gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); 328 outb(irq, GUSP(gus, IRQDMACNTRLREG)); 329 } 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 snd_gf1_delay(gus); 344 345 if (latches) 346 gus->mix_cntrl_reg |= 0x08; /* enable latches */ 347 else 348 gus->mix_cntrl_reg &= ~0x08; /* disable latches */ 349 spin_lock_irqsave(&gus->reg_lock, flags); 350 outb(gus->mix_cntrl_reg, GUSP(gus, MIXCNTRLREG)); 351 outb(0, GUSP(gus, GF1PAGE)); 352 spin_unlock_irqrestore(&gus->reg_lock, flags); 353 354 return 0; 355} 356 357static int snd_gus_check_version(struct snd_gus_card * gus) 358{ 359 unsigned long flags; 360 unsigned char val, rev; 361 struct snd_card *card; 362 363 card = gus->card; 364 spin_lock_irqsave(&gus->reg_lock, flags); 365 outb(0x20, GUSP(gus, REGCNTRLS)); 366 val = inb(GUSP(gus, REGCNTRLS)); 367 rev = inb(GUSP(gus, BOARDVERSION)); 368 spin_unlock_irqrestore(&gus->reg_lock, flags); 369 snd_printdd("GF1 [0x%lx] init - val = 0x%x, rev = 0x%x\n", gus->gf1.port, val, rev); 370 strcpy(card->driver, "GUS"); 371 strcpy(card->longname, "Gravis UltraSound Classic (2.4)"); 372 if ((val != 255 && (val & 0x06)) || (rev >= 5 && rev != 255)) { 373 if (rev >= 5 && rev <= 9) { 374 gus->ics_flag = 1; 375 if (rev == 5) 376 gus->ics_flipped = 1; 377 card->longname[27] = '3'; 378 card->longname[29] = rev == 5 ? '5' : '7'; 379 } 380 if (rev >= 10 && rev != 255) { 381 if (rev >= 10 && rev <= 11) { 382 strcpy(card->driver, "GUS MAX"); 383 strcpy(card->longname, "Gravis UltraSound MAX"); 384 gus->max_flag = 1; 385 } else if (rev == 0x30) { 386 strcpy(card->driver, "GUS ACE"); 387 strcpy(card->longname, "Gravis UltraSound Ace"); 388 gus->ace_flag = 1; 389 } else if (rev == 0x50) { 390 strcpy(card->driver, "GUS Extreme"); 391 strcpy(card->longname, "Gravis UltraSound Extreme"); 392 gus->ess_flag = 1; 393 } else { 394 snd_printk(KERN_ERR "unknown GF1 revision number at 0x%lx - 0x%x (0x%x)\n", gus->gf1.port, rev, val); 395 snd_printk(KERN_ERR " please - report to <perex@suse.cz>\n"); 396 } 397 } 398 } 399 strcpy(card->shortname, card->longname); 400 gus->uart_enable = 1; /* standard GUSes doesn't have midi uart trouble */ 401 snd_gus_init_control(gus); 402 return 0; 403} 404 405#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && \ 406 defined(CONFIG_SND_SEQUENCER_MODULE)) 407static void snd_gus_seq_dev_free(struct snd_seq_device *seq_dev) 408{ 409 struct snd_gus_card *gus = seq_dev->private_data; 410 gus->seq_dev = NULL; 411} 412#endif 413 414int snd_gus_initialize(struct snd_gus_card *gus) 415{ 416 int err; 417 418 if (!gus->interwave) { 419 if ((err = snd_gus_check_version(gus)) < 0) { 420 snd_printk(KERN_ERR "version check failed\n"); 421 return err; 422 } 423 if ((err = snd_gus_detect_memory(gus)) < 0) 424 return err; 425 } 426 if ((err = snd_gus_init_dma_irq(gus, 1)) < 0) 427 return err; 428#if defined(CONFIG_SND_SEQUENCER) || (defined(MODULE) && \ 429 defined(CONFIG_SND_SEQUENCER_MODULE)) 430 if (snd_seq_device_new(gus->card, 1, SNDRV_SEQ_DEV_ID_GUS, 431 sizeof(struct snd_gus_card *), &gus->seq_dev) >= 0) { 432 strcpy(gus->seq_dev->name, "GUS"); 433 *(struct snd_gus_card **)SNDRV_SEQ_DEVICE_ARGPTR(gus->seq_dev) = gus; 434 gus->seq_dev->private_data = gus; 435 gus->seq_dev->private_free = snd_gus_seq_dev_free; 436 } 437#endif 438 snd_gf1_start(gus); 439 gus->initialized = 1; 440 return 0; 441} 442 443 /* gus_io.c */ 444EXPORT_SYMBOL(snd_gf1_delay); 445EXPORT_SYMBOL(snd_gf1_write8); 446EXPORT_SYMBOL(snd_gf1_look8); 447EXPORT_SYMBOL(snd_gf1_write16); 448EXPORT_SYMBOL(snd_gf1_look16); 449EXPORT_SYMBOL(snd_gf1_i_write8); 450EXPORT_SYMBOL(snd_gf1_i_look8); 451EXPORT_SYMBOL(snd_gf1_i_look16); 452EXPORT_SYMBOL(snd_gf1_dram_addr); 453EXPORT_SYMBOL(snd_gf1_write_addr); 454EXPORT_SYMBOL(snd_gf1_poke); 455EXPORT_SYMBOL(snd_gf1_peek); 456 /* gus_reset.c */ 457EXPORT_SYMBOL(snd_gf1_alloc_voice); 458EXPORT_SYMBOL(snd_gf1_free_voice); 459EXPORT_SYMBOL(snd_gf1_ctrl_stop); 460EXPORT_SYMBOL(snd_gf1_stop_voice); 461 /* gus_mixer.c */ 462EXPORT_SYMBOL(snd_gf1_new_mixer); 463 /* gus_pcm.c */ 464EXPORT_SYMBOL(snd_gf1_pcm_new); 465 /* gus.c */ 466EXPORT_SYMBOL(snd_gus_use_inc); 467EXPORT_SYMBOL(snd_gus_use_dec); 468EXPORT_SYMBOL(snd_gus_create); 469EXPORT_SYMBOL(snd_gus_initialize); 470 /* gus_irq.c */ 471EXPORT_SYMBOL(snd_gus_interrupt); 472 /* gus_uart.c */ 473EXPORT_SYMBOL(snd_gf1_rawmidi_new); 474 /* gus_dram.c */ 475EXPORT_SYMBOL(snd_gus_dram_write); 476EXPORT_SYMBOL(snd_gus_dram_read); 477 /* gus_volume.c */ 478EXPORT_SYMBOL(snd_gf1_lvol_to_gvol_raw); 479EXPORT_SYMBOL(snd_gf1_translate_freq); 480 /* gus_mem.c */ 481EXPORT_SYMBOL(snd_gf1_mem_alloc); 482EXPORT_SYMBOL(snd_gf1_mem_xfree); 483EXPORT_SYMBOL(snd_gf1_mem_free); 484EXPORT_SYMBOL(snd_gf1_mem_lock); 485 486/* 487 * INIT part 488 */ 489 490static int __init alsa_gus_init(void) 491{ 492 return 0; 493} 494 495static void __exit alsa_gus_exit(void) 496{ 497} 498 499module_init(alsa_gus_init) 500module_exit(alsa_gus_exit) 501