1 /* 2 * Driver for Gravis UltraSound MAX soundcard 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/err.h> 24 #include <linux/isa.h> 25 #include <linux/delay.h> 26 #include <linux/time.h> 27 #include <linux/moduleparam.h> 28 #include <asm/dma.h> 29 #include <sound/core.h> 30 #include <sound/gus.h> 31 #include <sound/cs4231.h> 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@perex.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 struct snd_card *card; 77 struct snd_gus_card *gus; 78 struct snd_cs4231 *cs4231; 79 unsigned short gus_status_reg; 80 unsigned short pcm_status_reg; 81 }; 82 83 #define PFX "gusmax: " 84 85 static int __devinit snd_gusmax_detect(struct snd_gus_card * gus) 86 { 87 unsigned char d; 88 89 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ 90 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) { 91 snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d); 92 return -ENODEV; 93 } 94 udelay(160); 95 snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */ 96 udelay(160); 97 if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) { 98 snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d); 99 return -ENODEV; 100 } 101 102 return 0; 103 } 104 105 static irqreturn_t snd_gusmax_interrupt(int irq, void *dev_id) 106 { 107 struct snd_gusmax *maxcard = dev_id; 108 int loop, max = 5; 109 int handled = 0; 110 111 do { 112 loop = 0; 113 if (inb(maxcard->gus_status_reg)) { 114 handled = 1; 115 snd_gus_interrupt(irq, maxcard->gus); 116 loop++; 117 } 118 if (inb(maxcard->pcm_status_reg) & 0x01) { /* IRQ bit is set? */ 119 handled = 1; 120 snd_cs4231_interrupt(irq, maxcard->cs4231); 121 loop++; 122 } 123 } while (loop && --max > 0); 124 return IRQ_RETVAL(handled); 125 } 126 127 static void __devinit snd_gusmax_init(int dev, struct snd_card *card, 128 struct snd_gus_card * gus) 129 { 130 gus->equal_irq = 1; 131 gus->codec_flag = 1; 132 gus->joystick_dac = joystick_dac[dev]; 133 /* init control register */ 134 gus->max_cntrl_val = (gus->gf1.port >> 4) & 0x0f; 135 if (gus->gf1.dma1 > 3) 136 gus->max_cntrl_val |= 0x10; 137 if (gus->gf1.dma2 > 3) 138 gus->max_cntrl_val |= 0x20; 139 gus->max_cntrl_val |= 0x40; 140 outb(gus->max_cntrl_val, GUSP(gus, MAXCNTRLPORT)); 141 } 142 143 #define CS4231_PRIVATE( left, right, shift, mute ) \ 144 ((left << 24)|(right << 16)|(shift<<8)|mute) 145 146 static int __devinit snd_gusmax_mixer(struct snd_cs4231 *chip) 147 { 148 struct snd_card *card = chip->card; 149 struct snd_ctl_elem_id id1, id2; 150 int err; 151 152 memset(&id1, 0, sizeof(id1)); 153 memset(&id2, 0, sizeof(id2)); 154 id1.iface = id2.iface = SNDRV_CTL_ELEM_IFACE_MIXER; 155 /* reassign AUXA to SYNTHESIZER */ 156 strcpy(id1.name, "Aux Playback Switch"); 157 strcpy(id2.name, "Synth Playback Switch"); 158 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) 159 return err; 160 strcpy(id1.name, "Aux Playback Volume"); 161 strcpy(id2.name, "Synth Playback Volume"); 162 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) 163 return err; 164 /* reassign AUXB to CD */ 165 strcpy(id1.name, "Aux Playback Switch"); id1.index = 1; 166 strcpy(id2.name, "CD Playback Switch"); 167 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) 168 return err; 169 strcpy(id1.name, "Aux Playback Volume"); 170 strcpy(id2.name, "CD Playback Volume"); 171 if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) 172 return err; 173 #if 0 174 /* reassign Mono Input to MIC */ 175 if (snd_mixer_group_rename(mixer, 176 SNDRV_MIXER_IN_MONO, 0, 177 SNDRV_MIXER_IN_MIC, 0) < 0) 178 goto __error; 179 if (snd_mixer_elem_rename(mixer, 180 SNDRV_MIXER_IN_MONO, 0, SNDRV_MIXER_ETYPE_INPUT, 181 SNDRV_MIXER_IN_MIC, 0) < 0) 182 goto __error; 183 if (snd_mixer_elem_rename(mixer, 184 "Mono Capture Volume", 0, SNDRV_MIXER_ETYPE_VOLUME1, 185 "Mic Capture Volume", 0) < 0) 186 goto __error; 187 if (snd_mixer_elem_rename(mixer, 188 "Mono Capture Switch", 0, SNDRV_MIXER_ETYPE_SWITCH1, 189 "Mic Capture Switch", 0) < 0) 190 goto __error; 191 #endif 192 return 0; 193 } 194 195 static void snd_gusmax_free(struct snd_card *card) 196 { 197 struct snd_gusmax *maxcard = (struct snd_gusmax *)card->private_data; 198 199 if (maxcard == NULL) 200 return; 201 if (maxcard->irq >= 0) 202 free_irq(maxcard->irq, (void *)maxcard); 203 } 204 205 static int __devinit snd_gusmax_match(struct device *pdev, unsigned int dev) 206 { 207 return enable[dev]; 208 } 209 210 static int __devinit snd_gusmax_probe(struct device *pdev, unsigned int dev) 211 { 212 static int possible_irqs[] = {5, 11, 12, 9, 7, 15, 3, -1}; 213 static int possible_dmas[] = {5, 6, 7, 1, 3, -1}; 214 int xirq, xdma1, xdma2, err; 215 struct snd_card *card; 216 struct snd_gus_card *gus = NULL; 217 struct snd_cs4231 *cs4231; 218 struct snd_gusmax *maxcard; 219 220 card = snd_card_new(index[dev], id[dev], THIS_MODULE, 221 sizeof(struct snd_gusmax)); 222 if (card == NULL) 223 return -ENOMEM; 224 card->private_free = snd_gusmax_free; 225 maxcard = (struct snd_gusmax *)card->private_data; 226 maxcard->card = card; 227 maxcard->irq = -1; 228 229 xirq = irq[dev]; 230 if (xirq == SNDRV_AUTO_IRQ) { 231 if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) { 232 snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); 233 err = -EBUSY; 234 goto _err; 235 } 236 } 237 xdma1 = dma1[dev]; 238 if (xdma1 == SNDRV_AUTO_DMA) { 239 if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) { 240 snd_printk(KERN_ERR PFX "unable to find a free DMA1\n"); 241 err = -EBUSY; 242 goto _err; 243 } 244 } 245 xdma2 = dma2[dev]; 246 if (xdma2 == SNDRV_AUTO_DMA) { 247 if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) { 248 snd_printk(KERN_ERR PFX "unable to find a free DMA2\n"); 249 err = -EBUSY; 250 goto _err; 251 } 252 } 253 254 if (port[dev] != SNDRV_AUTO_PORT) { 255 err = snd_gus_create(card, 256 port[dev], 257 -xirq, xdma1, xdma2, 258 0, channels[dev], 259 pcm_channels[dev], 260 0, &gus); 261 } else { 262 static unsigned long possible_ports[] = { 263 0x220, 0x230, 0x240, 0x250, 0x260 264 }; 265 int i; 266 for (i = 0; i < ARRAY_SIZE(possible_ports); i++) { 267 err = snd_gus_create(card, 268 possible_ports[i], 269 -xirq, xdma1, xdma2, 270 0, channels[dev], 271 pcm_channels[dev], 272 0, &gus); 273 if (err >= 0) { 274 port[dev] = possible_ports[i]; 275 break; 276 } 277 } 278 } 279 if (err < 0) 280 goto _err; 281 282 if ((err = snd_gusmax_detect(gus)) < 0) 283 goto _err; 284 285 maxcard->gus_status_reg = gus->gf1.reg_irqstat; 286 maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2; 287 snd_gusmax_init(dev, card, gus); 288 if ((err = snd_gus_initialize(gus)) < 0) 289 goto _err; 290 291 if (!gus->max_flag) { 292 snd_printk(KERN_ERR PFX "GUS MAX soundcard was not detected at 0x%lx\n", gus->gf1.port); 293 err = -ENODEV; 294 goto _err; 295 } 296 297 if (request_irq(xirq, snd_gusmax_interrupt, IRQF_DISABLED, "GUS MAX", (void *)maxcard)) { 298 snd_printk(KERN_ERR PFX "unable to grab IRQ %d\n", xirq); 299 err = -EBUSY; 300 goto _err; 301 } 302 maxcard->irq = xirq; 303 304 if ((err = snd_cs4231_create(card, 305 gus->gf1.port + 0x10c, -1, xirq, 306 xdma2 < 0 ? xdma1 : xdma2, xdma1, 307 CS4231_HW_DETECT, 308 CS4231_HWSHARE_IRQ | 309 CS4231_HWSHARE_DMA1 | 310 CS4231_HWSHARE_DMA2, 311 &cs4231)) < 0) 312 goto _err; 313 314 if ((err = snd_cs4231_pcm(cs4231, 0, NULL)) < 0) 315 goto _err; 316 317 if ((err = snd_cs4231_mixer(cs4231)) < 0) 318 goto _err; 319 320 if ((err = snd_cs4231_timer(cs4231, 2, NULL)) < 0) 321 goto _err; 322 323 if (pcm_channels[dev] > 0) { 324 if ((err = snd_gf1_pcm_new(gus, 1, 1, NULL)) < 0) 325 goto _err; 326 } 327 if ((err = snd_gusmax_mixer(cs4231)) < 0) 328 goto _err; 329 330 if ((err = snd_gf1_rawmidi_new(gus, 0, NULL)) < 0) 331 goto _err; 332 333 sprintf(card->longname + strlen(card->longname), " at 0x%lx, irq %i, dma %i", gus->gf1.port, xirq, xdma1); 334 if (xdma2 >= 0) 335 sprintf(card->longname + strlen(card->longname), "&%i", xdma2); 336 337 snd_card_set_dev(card, pdev); 338 339 if ((err = snd_card_register(card)) < 0) 340 goto _err; 341 342 maxcard->gus = gus; 343 maxcard->cs4231 = cs4231; 344 345 dev_set_drvdata(pdev, card); 346 return 0; 347 348 _err: 349 snd_card_free(card); 350 return err; 351 } 352 353 static int __devexit snd_gusmax_remove(struct device *devptr, unsigned int dev) 354 { 355 snd_card_free(dev_get_drvdata(devptr)); 356 dev_set_drvdata(devptr, NULL); 357 return 0; 358 } 359 360 #define DEV_NAME "gusmax" 361 362 static struct isa_driver snd_gusmax_driver = { 363 .match = snd_gusmax_match, 364 .probe = snd_gusmax_probe, 365 .remove = __devexit_p(snd_gusmax_remove), 366 /* FIXME: suspend/resume */ 367 .driver = { 368 .name = DEV_NAME 369 }, 370 }; 371 372 static int __init alsa_card_gusmax_init(void) 373 { 374 return isa_register_driver(&snd_gusmax_driver, SNDRV_CARDS); 375 } 376 377 static void __exit alsa_card_gusmax_exit(void) 378 { 379 isa_unregister_driver(&snd_gusmax_driver); 380 } 381 382 module_init(alsa_card_gusmax_init) 383 module_exit(alsa_card_gusmax_exit) 384