1 /* 2 * Driver for Gravis UltraSound MAX soundcard 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 <asm/dma.h> 24 #include <linux/init.h> 25 #include <linux/delay.h> 26 #include <linux/time.h> 27 #include <linux/moduleparam.h> 28 #include <sound/core.h> 29 #include <sound/gus.h> 30 #include <sound/cs4231.h> 31 #define SNDRV_LEGACY_AUTO_PROBE 32 #define SNDRV_LEGACY_FIND_FREE_IRQ 33 #define SNDRV_LEGACY_FIND_FREE_DMA 34 #include <sound/initval.h> 35 36 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 37 MODULE_DESCRIPTION("Gravis UltraSound MAX"); 38 MODULE_LICENSE("GPL"); 39 MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}"); 40 41 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 42 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 43 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ 44 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */ 45 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */ 46 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */ 47 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */ 48 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29}; 49 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */ 50 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24}; 51 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2}; 52 53 module_param_array(index, int, NULL, 0444); 54 MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard."); 55 module_param_array(id, charp, NULL, 0444); 56 MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard."); 57 module_param_array(enable, bool, NULL, 0444); 58 MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard."); 59 module_param_array(port, long, NULL, 0444); 60 MODULE_PARM_DESC(port, "Port # for GUS MAX driver."); 61 module_param_array(irq, int, NULL, 0444); 62 MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver."); 63 module_param_array(dma1, int, NULL, 0444); 64 MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver."); 65 module_param_array(dma2, int, NULL, 0444); 66 MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver."); 67 module_param_array(joystick_dac, int, NULL, 0444); 68 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver."); 69 module_param_array(channels, int, NULL, 0444); 70 MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver."); 71 module_param_array(pcm_channels, int, NULL, 0444); 72 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver."); 73 74 struct snd_gusmax { 75 int irq; 76 snd_card_t *card; 77 snd_gus_card_t *gus; 78 cs4231_t *cs4231; 79 unsigned short gus_status_reg; 80 unsigned short pcm_status_reg; 81 }; 82 83 static snd_card_t *snd_gusmax_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; 84 85 #define PFX "gusmax: " 86 87 static int __init snd_gusmax_detect(snd_gus_card_t * gus) 88 { 89 unsigned char d; 90 91 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ 92 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) { 93 snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d); 94 return -ENODEV; 95 } 96 udelay(160); 97 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */ 98 udelay(160); 99 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) { 100 snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d); 101 return -ENODEV; 102 } 103 104 return 0; 105 } 106 107 static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id, struct pt_regs *regs) 108 { 109 struct snd_gusmax *maxcard = (struct snd_gusmax *) dev_id; 110 int loop, max = 5; 111 int handled = 0; 112 113 do { 114 loop = 0; 115 if (inb(maxcard->gus_status_reg)) { 116 handled = 1; 117 snd_gus_interrupt(irq, maxcard->gus, regs); 118 loop++; 119 } 120 if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */ 121 handled = 1; 122 snd_cs4231_interrupt(irq, maxcard->cs4231, regs); 123 loop++; 124 } 125 } while (loop && --max > 0); 126 return IRQ_RETVAL(handled); 127 } 128 129 static void __init snd_gusmax_init(int dev, snd_card_t * card, snd_gus_card_t * gus) 130 { 131 gus->equal_irq = 1; 132 gus->codec_flag = 1; 133 gus->joystick_dac = joystick_dac[dev]; 134 /* init control register */ 135 gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f; 136 if (gus->gf1.dma1 > 3) 137 gus->max_cntrl_val |= 0x10; 138 if (gus->gf1.dma2 > 3) 139 gus->max_cntrl_val |= 0x20; 140 gus->max_cntrl_val |= 0x40; 141 outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT)); 142 } 143 144 #define CS4231_PRIVATE( left, right, shift, mute ) \ 145 ((left << 24)|(right << 16)|(shift<<8)|mute) 146 147 static int __init snd_gusmax_mixer(cs4231_t *chip) 148 { 149 snd_card_t *card = chip->card; 150 snd_ctl_elem_id_t id1, id2; 151 int err; 152 153 memset(&id1, 0, sizeof(id1)); 154 memset(&id2, 0, sizeof(id2)); 155 id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 156 /* reassign AUXA to SYNTHESIZER */ 157 strcpy(id1.name, "Aux Playback Switch"); 158 strcpy(id2.name, "Synth Playback Switch"); 159 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) 160 return err; 161 strcpy(id1.name, "Aux Playback Volume"); 162 strcpy(id2.name, "Synth Playback Volume"); 163 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) 164 return err; 165 /* reassign AUXB to CD */ 166 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1; 167 strcpy(id2.name, "CD Playback Switch"); 168 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) 169 return err; 170 strcpy(id1.name, "Aux Playback Volume"); 171 strcpy(id2.name, "CD Playback Volume"); 172 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) 173 return err; 174 #if 0 175 /* reassign Mono Input to MIC */ 176 if (snd_mixer_group_rename(mixer, 177 SNDRV_MIXER_IN_MONO, 0, 178 SNDRV_MIXER_IN_MIC, 0) < 0) 179 goto __error; 180 if (snd_mixer_elem_rename(mixer, 181 SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT, 182 SNDRV_MIXER_IN_MIC, 0) < 0) 183 goto __error; 184 if (snd_mixer_elem_rename(mixer, 185 "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1, 186 "Mic Capture Volume", 0) < 0) 187 goto __error; 188 if (snd_mixer_elem_rename(mixer, 189 "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1, 190 "Mic Capture Switch", 0) < 0) 191 goto __error; 192 #endif 193 return 0; 194 } 195 196 static void snd_gusmax_free(snd_card_t *card) 197 { 198 struct snd_gusmax *maxcard = (struct snd_gusmax *)card->private_data; 199 200 if (maxcard == NULL) 201 return; 202 if (maxcard->irq >= 0) 203 free_irq(maxcard->irq, (void *)maxcard); 204 } 205 206 static int __init snd_gusmax_probe(int dev) 207 { 208 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1}; 209 static int possible_dmas[] = {5, 6, 7, 1, 3, -1}; 210 int xirq, xdma1, xdma2, err; 211 snd_card_t *card; 212 snd_gus_card_t *gus = NULL; 213 cs4231_t *cs4231; 214 struct snd_gusmax *maxcard; 215 216 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 217 sizeof(struct snd_gusmax)); 218 if (card == NULL) 219 return -ENOMEM; 220 card->private_free = snd_gusmax_free; 221 maxcard = (struct snd_gusmax *)card->private_data; 222 maxcard->card = card; 223 maxcard->irq = -1; 224 225 xirq = irq[dev]; 226 if (xirq == SNDRV_AUTO_IRQ) { 227 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) { 228 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); 229 err = -EBUSY; 230 goto _err; 231 } 232 } 233 xdma1 = dma1[dev]; 234 if (xdma1 == SNDRV_AUTO_DMA) { 235 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) { 236 snd_printk(KERN_ERR PFX "unable to find a free DMA1\n"); 237 err = -EBUSY; 238 goto _err; 239 } 240 } 241 xdma2 = dma2[dev]; 242 if (xdma2 == SNDRV_AUTO_DMA) { 243 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) { 244 snd_printk(KERN_ERR PFX "unable to find a free DMA2\n"); 245 err = -EBUSY; 246 goto _err; 247 } 248 } 249 250 if ((err = snd_gus_create(card, 251 port[dev], 252 -xirq, xdma1, xdma2, 253 0, channels[dev], 254 pcm_channels[dev], 255 0, &gus)) < 0) 256 goto _err; 257 258 if ((err = snd_gusmax_detect(gus)) < 0) 259 goto _err; 260 261 maxcard->gus_status_reg = gus->gf1.reg_irqstat; 262 maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2; 263 snd_gusmax_init(dev, card, gus); 264 if ((err = snd_gus_initialize(gus)) < 0) 265 goto _err; 266 267 if (!gus->max_flag) { 268 snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port); 269 err = -ENODEV; 270 goto _err; 271 } 272 273 if (request_irq(xirq, snd_gusmax_interrupt, SA_INTERRUPT, "GUS MAX", (void *)maxcard)) { 274 snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq); 275 err = -EBUSY; 276 goto _err; 277 } 278 maxcard->irq = xirq; 279 280 if ((err = snd_cs4231_create(card, 281 gus->gf1.port + 0x10c, -1, xirq, 282 xdma2 < 0 ? xdma1 : xdma2, xdma1, 283 CS4231_HW_DETECT, 284 CS4231_HWSHARE_IRQ | 285 CS4231_HWSHARE_DMA1 | 286 CS4231_HWSHARE_DMA2, 287 &cs4231)) < 0) 288 goto _err; 289 290 if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0) 291 goto _err; 292 293 if ((err = snd_cs4231_mixer(cs4231)) < 0) 294 goto _err; 295 296 if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0) 297 goto _err; 298 299 if (pcm_channels[dev] > 0) { 300 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) 301 goto _err; 302 } 303 if ((err = snd_gusmax_mixer(cs4231)) < 0) 304 goto _err; 305 306 if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) 307 goto _err; 308 309 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1); 310 if (xdma2 >= 0) 311 sprintf(card->longname + strlen(card->longname), "&%i", xdma2); 312 313 if ((err = snd_card_set_generic_dev(card)) < 0) 314 goto _err; 315 316 if ((err = snd_card_register(card)) < 0) 317 goto _err; 318 319 maxcard->gus = gus; 320 maxcard->cs4231 = cs4231; 321 snd_gusmax_cards[dev] = card; 322 return 0; 323 324 _err: 325 snd_card_free(card); 326 return err; 327 } 328 329 static int __init snd_gusmax_legacy_auto_probe(unsigned long xport) 330 { 331 static int dev; 332 int res; 333 334 for ( ; dev < SNDRV_CARDS; dev++) { 335 if (!enable[dev] || port[dev] != SNDRV_AUTO_PORT) 336 continue; 337 port[dev] = xport; 338 res = snd_gusmax_probe(dev); 339 if (res < 0) 340 port[dev] = SNDRV_AUTO_PORT; 341 return res; 342 } 343 return -ENODEV; 344 } 345 346 static int __init alsa_card_gusmax_init(void) 347 { 348 static unsigned long possible_ports[] = {0x220, 0x230, 0x240, 0x250, 0x260, -1}; 349 int dev, cards, i; 350 351 for (dev = cards = 0; dev < SNDRV_CARDS && enable[dev] > 0; dev++) { 352 if (port[dev] == SNDRV_AUTO_PORT) 353 continue; 354 if (snd_gusmax_probe(dev) >= 0) 355 cards++; 356 } 357 i = snd_legacy_auto_probe(possible_ports, snd_gusmax_legacy_auto_probe); 358 if (i > 0) 359 cards += i; 360 361 if (!cards) { 362 #ifdef MODULE 363 printk(KERN_ERR "GUS MAX soundcard not found or device busy\n"); 364 #endif 365 return -ENODEV; 366 } 367 return 0; 368 } 369 370 static void __exit alsa_card_gusmax_exit(void) 371 { 372 int idx; 373 374 for (idx = 0; idx < SNDRV_CARDS; idx++) 375 snd_card_free(snd_gusmax_cards[idx]); 376 } 377 378 module_init(alsa_card_gusmax_init) 379 module_exit(alsa_card_gusmax_exit) 380