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 <linux/init.h> 24 #include <linux/err.h> 25 #include <linux/isa.h> 26 #include <linux/delay.h> 27 #include <linux/time.h> 28 #include <linux/moduleparam.h> 29 #include <asm/dma.h> 30 #include <sound/core.h> 31 #include <sound/gus.h> 32 #include <sound/cs4231.h> 33 #define SNDRV_LEGACY_FIND_FREE_IRQ 34 #define SNDRV_LEGACY_FIND_FREE_DMA 35 #include <sound/initval.h> 36 37 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>"); 38 MODULE_DESCRIPTION("Gravis UltraSound MAX"); 39 MODULE_LICENSE("GPL"); 40 MODULE_SUPPORTED_DEVICE("{{Gravis,UltraSound MAX}}"); 41 42 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 43 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ 44 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE; /* Enable this card */ 45 static long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT; /* 0x220,0x230,0x240,0x250,0x260 */ 46 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ; /* 2,3,5,9,11,12,15 */ 47 static int dma1[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */ 48 static int dma2[SNDRV_CARDS] = SNDRV_DEFAULT_DMA; /* 1,3,5,6,7 */ 49 static int joystick_dac[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 29}; 50 /* 0 to 31, (0.59V-4.52V or 0.389V-2.98V) */ 51 static int channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 24}; 52 static int pcm_channels[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS - 1)] = 2}; 53 54 module_param_array(index, int, NULL, 0444); 55 MODULE_PARM_DESC(index, "Index value for GUS MAX soundcard."); 56 module_param_array(id, charp, NULL, 0444); 57 MODULE_PARM_DESC(id, "ID string for GUS MAX soundcard."); 58 module_param_array(enable, bool, NULL, 0444); 59 MODULE_PARM_DESC(enable, "Enable GUS MAX soundcard."); 60 module_param_array(port, long, NULL, 0444); 61 MODULE_PARM_DESC(port, "Port # for GUS MAX driver."); 62 module_param_array(irq, int, NULL, 0444); 63 MODULE_PARM_DESC(irq, "IRQ # for GUS MAX driver."); 64 module_param_array(dma1, int, NULL, 0444); 65 MODULE_PARM_DESC(dma1, "DMA1 # for GUS MAX driver."); 66 module_param_array(dma2, int, NULL, 0444); 67 MODULE_PARM_DESC(dma2, "DMA2 # for GUS MAX driver."); 68 module_param_array(joystick_dac, int, NULL, 0444); 69 MODULE_PARM_DESC(joystick_dac, "Joystick DAC level 0.59V-4.52V or 0.389V-2.98V for GUS MAX driver."); 70 module_param_array(channels, int, NULL, 0444); 71 MODULE_PARM_DESC(channels, "Used GF1 channels for GUS MAX driver."); 72 module_param_array(pcm_channels, int, NULL, 0444); 73 MODULE_PARM_DESC(pcm_channels, "Reserved PCM channels for GUS MAX driver."); 74 75 struct snd_gusmax { 76 int irq; 77 struct snd_card *card; 78 struct snd_gus_card *gus; 79 struct snd_cs4231 *cs4231; 80 unsigned short gus_status_reg; 81 unsigned short pcm_status_reg; 82 }; 83 84 #define PFX "gusmax: " 85 86 static int __devinit snd_gusmax_detect(struct snd_gus_card * gus) 87 { 88 unsigned char d; 89 90 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ 91 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) { 92 snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d); 93 return -ENODEV; 94 } 95 udelay(160); 96 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */ 97 udelay(160); 98 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) { 99 snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d); 100 return -ENODEV; 101 } 102 103 return 0; 104 } 105 106 static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id) 107 { 108 struct snd_gusmax *maxcard = dev_id; 109 int loop, max = 5; 110 int handled = 0; 111 112 do { 113 loop = 0; 114 if (inb(maxcard->gus_status_reg)) { 115 handled = 1; 116 snd_gus_interrupt(irq, maxcard->gus); 117 loop++; 118 } 119 if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */ 120 handled = 1; 121 snd_cs4231_interrupt(irq, maxcard->cs4231); 122 loop++; 123 } 124 } while (loop && --max > 0); 125 return IRQ_RETVAL(handled); 126 } 127 128 static void __devinit snd_gusmax_init(int dev, struct snd_card *card, 129 struct snd_gus_card * 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 __devinit snd_gusmax_mixer(struct snd_cs4231 *chip) 148 { 149 struct snd_card *card = chip->card; 150 struct snd_ctl_elem_id 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(struct snd_card *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 __devinit snd_gusmax_match(struct device *pdev, unsigned int dev) 207 { 208 return enable[dev]; 209 } 210 211 static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev) 212 { 213 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1}; 214 static int possible_dmas[] = {5, 6, 7, 1, 3, -1}; 215 int xirq, xdma1, xdma2, err; 216 struct snd_card *card; 217 struct snd_gus_card *gus = NULL; 218 struct snd_cs4231 *cs4231; 219 struct snd_gusmax *maxcard; 220 221 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 222 sizeof(struct snd_gusmax)); 223 if (card == NULL) 224 return -ENOMEM; 225 card->private_free = snd_gusmax_free; 226 maxcard = (struct snd_gusmax *)card->private_data; 227 maxcard->card = card; 228 maxcard->irq = -1; 229 230 xirq = irq[dev]; 231 if (xirq == SNDRV_AUTO_IRQ) { 232 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) { 233 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); 234 err = -EBUSY; 235 goto _err; 236 } 237 } 238 xdma1 = dma1[dev]; 239 if (xdma1 == SNDRV_AUTO_DMA) { 240 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) { 241 snd_printk(KERN_ERR PFX "unable to find a free DMA1\n"); 242 err = -EBUSY; 243 goto _err; 244 } 245 } 246 xdma2 = dma2[dev]; 247 if (xdma2 == SNDRV_AUTO_DMA) { 248 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) { 249 snd_printk(KERN_ERR PFX "unable to find a free DMA2\n"); 250 err = -EBUSY; 251 goto _err; 252 } 253 } 254 255 if (port[dev] != SNDRV_AUTO_PORT) { 256 err = snd_gus_create(card, 257 port[dev], 258 -xirq, xdma1, xdma2, 259 0, channels[dev], 260 pcm_channels[dev], 261 0, &gus); 262 } else { 263 static unsigned long possible_ports[] = { 264 0x220, 0x230, 0x240, 0x250, 0x260 265 }; 266 int i; 267 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { 268 err = snd_gus_create(card, 269 possible_ports[i], 270 -xirq, xdma1, xdma2, 271 0, channels[dev], 272 pcm_channels[dev], 273 0, &gus); 274 if (err >= 0) { 275 port[dev] = possible_ports[i]; 276 break; 277 } 278 } 279 } 280 if (err < 0) 281 goto _err; 282 283 if ((err = snd_gusmax_detect(gus)) < 0) 284 goto _err; 285 286 maxcard->gus_status_reg = gus->gf1.reg_irqstat; 287 maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2; 288 snd_gusmax_init(dev, card, gus); 289 if ((err = snd_gus_initialize(gus)) < 0) 290 goto _err; 291 292 if (!gus->max_flag) { 293 snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port); 294 err = -ENODEV; 295 goto _err; 296 } 297 298 if (request_irq(xirq, snd_gusmax_interrupt, IRQF_DISABLED, "GUS MAX", (void *)maxcard)) { 299 snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq); 300 err = -EBUSY; 301 goto _err; 302 } 303 maxcard->irq = xirq; 304 305 if ((err = snd_cs4231_create(card, 306 gus->gf1.port + 0x10c, -1, xirq, 307 xdma2 < 0 ? xdma1 : xdma2, xdma1, 308 CS4231_HW_DETECT, 309 CS4231_HWSHARE_IRQ | 310 CS4231_HWSHARE_DMA1 | 311 CS4231_HWSHARE_DMA2, 312 &cs4231)) < 0) 313 goto _err; 314 315 if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0) 316 goto _err; 317 318 if ((err = snd_cs4231_mixer(cs4231)) < 0) 319 goto _err; 320 321 if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0) 322 goto _err; 323 324 if (pcm_channels[dev] > 0) { 325 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) 326 goto _err; 327 } 328 if ((err = snd_gusmax_mixer(cs4231)) < 0) 329 goto _err; 330 331 if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) 332 goto _err; 333 334 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1); 335 if (xdma2 >= 0) 336 sprintf(card->longname + strlen(card->longname), "&%i", xdma2); 337 338 snd_card_set_dev(card, pdev); 339 340 if ((err = snd_card_register(card)) < 0) 341 goto _err; 342 343 maxcard->gus = gus; 344 maxcard->cs4231 = cs4231; 345 346 dev_set_drvdata(pdev, card); 347 return 0; 348 349 _err: 350 snd_card_free(card); 351 return err; 352 } 353 354 static int __devexit snd_gusmax_remove(struct device *devptr, unsigned int dev) 355 { 356 snd_card_free(dev_get_drvdata(devptr)); 357 dev_set_drvdata(devptr, NULL); 358 return 0; 359 } 360 361 #define DEV_NAME "gusmax" 362 363 static struct isa_driver snd_gusmax_driver = { 364 .match = snd_gusmax_match, 365 .probe = snd_gusmax_probe, 366 .remove = __devexit_p(snd_gusmax_remove), 367 /* FIXME: suspend/resume */ 368 .driver = { 369 .name = DEV_NAME 370 }, 371 }; 372 373 static int __init alsa_card_gusmax_init(void) 374 { 375 return isa_register_driver(&snd_gusmax_driver, SNDRV_CARDS); 376 } 377 378 static void __exit alsa_card_gusmax_exit(void) 379 { 380 isa_unregister_driver(&snd_gusmax_driver); 381 } 382 383 module_init(alsa_card_gusmax_init) 384 module_exit(alsa_card_gusmax_exit) 385