release/src-rt-6.x.4708/linux/linux-2.6.36/sound/isa/sb/jazz16.c

   1
   2 /*
   3  * jazz16.c - driver for Media Vision Jazz16 based soundcards.
   4  * Copyright (C) 2009 Krzysztof Helt <krzysztof.h1@wp.pl>
   5  * Based on patches posted by Rask Ingemann Lambertsen and Rene Herman.
   6  * Based on OSS Sound Blaster driver.
   7  *
   8  * This file is subject to the terms and conditions of the GNU General Public
   9  * License.  See the file COPYING in the main directory of this archive for
  10  * more details.
  11  *
  12  */
  13
  14 #include <linux/init.h>
  15 #include <linux/module.h>
  16 #include <linux/io.h>
  17 #include <linux/delay.h>
  18 #include <asm/dma.h>
  19 #include <linux/isa.h>
  20 #include <sound/core.h>
  21 #include <sound/mpu401.h>
  22 #include <sound/opl3.h>
  23 #include <sound/sb.h>
  24 #define SNDRV_LEGACY_FIND_FREE_IRQ
  25 #define SNDRV_LEGACY_FIND_FREE_DMA
  26 #include <sound/initval.h>
  27
  28 #define PFX "jazz16: "
  29
  30 MODULE_DESCRIPTION("Media Vision Jazz16");
  31 MODULE_SUPPORTED_DEVICE("{{Media Vision ??? },"
  32                 "{RTL,RTL3000}}");
  33
  34 MODULE_AUTHOR("Krzysztof Helt <krzysztof.h1@wp.pl>");
  35 MODULE_LICENSE("GPL");
  36
  37 static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;      /* Index 0-MAX */
  38 static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;       /* ID for this card */
  39 static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE;  /* Enable this card */
  40 static unsigned long port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
  41 static unsigned long mpu_port[SNDRV_CARDS] = SNDRV_DEFAULT_PORT;
  42 static int irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
  43 static int mpu_irq[SNDRV_CARDS] = SNDRV_DEFAULT_IRQ;
  44 static int dma8[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
  45 static int dma16[SNDRV_CARDS] = SNDRV_DEFAULT_DMA;
  46
  47 module_param_array(index, int, NULL, 0444);
  48 MODULE_PARM_DESC(index, "Index value for Media Vision Jazz16 based soundcard.");
  49 module_param_array(id, charp, NULL, 0444);
  50 MODULE_PARM_DESC(id, "ID string for Media Vision Jazz16 based soundcard.");
  51 module_param_array(enable, bool, NULL, 0444);
  52 MODULE_PARM_DESC(enable, "Enable Media Vision Jazz16 based soundcard.");
  53 module_param_array(port, long, NULL, 0444);
  54 MODULE_PARM_DESC(port, "Port # for jazz16 driver.");
  55 module_param_array(mpu_port, long, NULL, 0444);
  56 MODULE_PARM_DESC(mpu_port, "MPU-401 port # for jazz16 driver.");
  57 module_param_array(irq, int, NULL, 0444);
  58 MODULE_PARM_DESC(irq, "IRQ # for jazz16 driver.");
  59 module_param_array(mpu_irq, int, NULL, 0444);
  60 MODULE_PARM_DESC(mpu_irq, "MPU-401 IRQ # for jazz16 driver.");
  61 module_param_array(dma8, int, NULL, 0444);
  62 MODULE_PARM_DESC(dma8, "DMA8 # for jazz16 driver.");
  63 module_param_array(dma16, int, NULL, 0444);
  64 MODULE_PARM_DESC(dma16, "DMA16 # for jazz16 driver.");
  65
  66 #define SB_JAZZ16_WAKEUP        0xaf
  67 #define SB_JAZZ16_SET_PORTS     0x50
  68 #define SB_DSP_GET_JAZZ_BRD_REV 0xfa
  69 #define SB_JAZZ16_SET_DMAINTR   0xfb
  70 #define SB_DSP_GET_JAZZ_MODEL   0xfe
  71
  72 struct snd_card_jazz16 {
  73         struct snd_sb *chip;
  74 };
  75
  76 static irqreturn_t jazz16_interrupt(int irq, void *chip)
  77 {
  78         return snd_sb8dsp_interrupt(chip);
  79 }
  80
  81 static int __devinit jazz16_configure_ports(unsigned long port,
  82                                             unsigned long mpu_port, int idx)
  83 {
  84         unsigned char val;
  85
  86         if (!request_region(0x201, 1, "jazz16 config")) {
  87                 snd_printk(KERN_ERR "config port region is already in use.\n");
  88                 return -EBUSY;
  89         }
  90         outb(SB_JAZZ16_WAKEUP - idx, 0x201);
  91         udelay(100);
  92         outb(SB_JAZZ16_SET_PORTS + idx, 0x201);
  93         udelay(100);
  94         val = port & 0x70;
  95         val |= (mpu_port & 0x30) >> 4;
  96         outb(val, 0x201);
  97
  98         release_region(0x201, 1);
  99         return 0;
 100 }
 101
 102 static int __devinit jazz16_detect_board(unsigned long port,
 103                                          unsigned long mpu_port)
 104 {
 105         int err;
 106         int val;
 107         struct snd_sb chip;
 108
 109         if (!request_region(port, 0x10, "jazz16")) {
 110                 snd_printk(KERN_ERR "I/O port region is already in use.\n");
 111                 return -EBUSY;
 112         }
 113         /* just to call snd_sbdsp_command/reset/get_byte() */
 114         chip.port = port;
 115
 116         err = snd_sbdsp_reset(&chip);
 117         if (err < 0)
 118                 for (val = 0; val < 4; val++) {
 119                         err = jazz16_configure_ports(port, mpu_port, val);
 120                         if (err < 0)
 121                                 break;
 122
 123                         err = snd_sbdsp_reset(&chip);
 124                         if (!err)
 125                                 break;
 126                 }
 127         if (err < 0) {
 128                 err = -ENODEV;
 129                 goto err_unmap;
 130         }
 131         if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_BRD_REV)) {
 132                 err = -EBUSY;
 133                 goto err_unmap;
 134         }
 135         val = snd_sbdsp_get_byte(&chip);
 136         if (val >= 0x30)
 137                 snd_sbdsp_get_byte(&chip);
 138
 139         if ((val & 0xf0) != 0x10) {
 140                 err = -ENODEV;
 141                 goto err_unmap;
 142         }
 143         if (!snd_sbdsp_command(&chip, SB_DSP_GET_JAZZ_MODEL)) {
 144                 err = -EBUSY;
 145                 goto err_unmap;
 146         }
 147         snd_sbdsp_get_byte(&chip);
 148         err = snd_sbdsp_get_byte(&chip);
 149         snd_printd("Media Vision Jazz16 board detected: rev 0x%x, model 0x%x\n",
 150                    val, err);
 151
 152         err = 0;
 153
 154 err_unmap:
 155         release_region(port, 0x10);
 156         return err;
 157 }
 158
 159 static int __devinit jazz16_configure_board(struct snd_sb *chip, int mpu_irq)
 160 {
 161         static unsigned char jazz_irq_bits[] = { 0, 0, 2, 3, 0, 1, 0, 4,
 162                                                  0, 2, 5, 0, 0, 0, 0, 6 };
 163         static unsigned char jazz_dma_bits[] = { 0, 1, 0, 2, 0, 3, 0, 4 };
 164
 165         if (jazz_dma_bits[chip->dma8] == 0 ||
 166             jazz_dma_bits[chip->dma16] == 0 ||
 167             jazz_irq_bits[chip->irq] == 0)
 168                 return -EINVAL;
 169
 170         if (!snd_sbdsp_command(chip, SB_JAZZ16_SET_DMAINTR))
 171                 return -EBUSY;
 172
 173         if (!snd_sbdsp_command(chip,
 174                                jazz_dma_bits[chip->dma8] |
 175                                (jazz_dma_bits[chip->dma16] << 4)))
 176                 return -EBUSY;
 177
 178         if (!snd_sbdsp_command(chip,
 179                                jazz_irq_bits[chip->irq] |
 180                                (jazz_irq_bits[mpu_irq] << 4)))
 181                 return -EBUSY;
 182
 183         return 0;
 184 }
 185
 186 static int __devinit snd_jazz16_match(struct device *devptr, unsigned int dev)
 187 {
 188         if (!enable[dev])
 189                 return 0;
 190         if (port[dev] == SNDRV_AUTO_PORT) {
 191                 snd_printk(KERN_ERR "please specify port\n");
 192                 return 0;
 193         } else if (port[dev] == 0x200 || (port[dev] & ~0x270)) {
 194                 snd_printk(KERN_ERR "incorrect port specified\n");
 195                 return 0;
 196         }
 197         if (dma8[dev] != SNDRV_AUTO_DMA &&
 198             dma8[dev] != 1 && dma8[dev] != 3) {
 199                 snd_printk(KERN_ERR "dma8 must be 1 or 3\n");
 200                 return 0;
 201         }
 202         if (dma16[dev] != SNDRV_AUTO_DMA &&
 203             dma16[dev] != 5 && dma16[dev] != 7) {
 204                 snd_printk(KERN_ERR "dma16 must be 5 or 7\n");
 205                 return 0;
 206         }
 207         if (mpu_port[dev] != SNDRV_AUTO_PORT &&
 208             (mpu_port[dev] & ~0x030) != 0x300) {
 209                 snd_printk(KERN_ERR "incorrect mpu_port specified\n");
 210                 return 0;
 211         }
 212         if (mpu_irq[dev] != SNDRV_AUTO_DMA &&
 213             mpu_irq[dev] != 2 && mpu_irq[dev] != 3 &&
 214             mpu_irq[dev] != 5 && mpu_irq[dev] != 7) {
 215                 snd_printk(KERN_ERR "mpu_irq must be 2, 3, 5 or 7\n");
 216                 return 0;
 217         }
 218         return 1;
 219 }
 220
 221 static int __devinit snd_jazz16_probe(struct device *devptr, unsigned int dev)
 222 {
 223         struct snd_card *card;
 224         struct snd_card_jazz16 *jazz16;
 225         struct snd_sb *chip;
 226         struct snd_opl3 *opl3;
 227         static int possible_irqs[] = {2, 3, 5, 7, 9, 10, 15, -1};
 228         static int possible_dmas8[] = {1, 3, -1};
 229         static int possible_dmas16[] = {5, 7, -1};
 230         int err, xirq, xdma8, xdma16, xmpu_port, xmpu_irq;
 231
 232         err = snd_card_create(index[dev], id[dev], THIS_MODULE,
 233                               sizeof(struct snd_card_jazz16), &card);
 234         if (err < 0)
 235                 return err;
 236
 237         jazz16 = card->private_data;
 238
 239         xirq = irq[dev];
 240         if (xirq == SNDRV_AUTO_IRQ) {
 241                 xirq = snd_legacy_find_free_irq(possible_irqs);
 242                 if (xirq < 0) {
 243                         snd_printk(KERN_ERR "unable to find a free IRQ\n");
 244                         err = -EBUSY;
 245                         goto err_free;
 246                 }
 247         }
 248         xdma8 = dma8[dev];
 249         if (xdma8 == SNDRV_AUTO_DMA) {
 250                 xdma8 = snd_legacy_find_free_dma(possible_dmas8);
 251                 if (xdma8 < 0) {
 252                         snd_printk(KERN_ERR "unable to find a free DMA8\n");
 253                         err = -EBUSY;
 254                         goto err_free;
 255                 }
 256         }
 257         xdma16 = dma16[dev];
 258         if (xdma16 == SNDRV_AUTO_DMA) {
 259                 xdma16 = snd_legacy_find_free_dma(possible_dmas16);
 260                 if (xdma16 < 0) {
 261                         snd_printk(KERN_ERR "unable to find a free DMA16\n");
 262                         err = -EBUSY;
 263                         goto err_free;
 264                 }
 265         }
 266
 267         xmpu_port = mpu_port[dev];
 268         if (xmpu_port == SNDRV_AUTO_PORT)
 269                 xmpu_port = 0;
 270         err = jazz16_detect_board(port[dev], xmpu_port);
 271         if (err < 0) {
 272                 printk(KERN_ERR "Media Vision Jazz16 board not detected\n");
 273                 goto err_free;
 274         }
 275         err = snd_sbdsp_create(card, port[dev], irq[dev],
 276                                jazz16_interrupt,
 277                                dma8[dev], dma16[dev],
 278                                SB_HW_JAZZ16,
 279                                &chip);
 280         if (err < 0)
 281                 goto err_free;
 282
 283         xmpu_irq = mpu_irq[dev];
 284         if (xmpu_irq == SNDRV_AUTO_IRQ || mpu_port[dev] == SNDRV_AUTO_PORT)
 285                 xmpu_irq = 0;
 286         err = jazz16_configure_board(chip, xmpu_irq);
 287         if (err < 0) {
 288                 printk(KERN_ERR "Media Vision Jazz16 configuration failed\n");
 289                 goto err_free;
 290         }
 291
 292         jazz16->chip = chip;
 293
 294         strcpy(card->driver, "jazz16");
 295         strcpy(card->shortname, "Media Vision Jazz16");
 296         sprintf(card->longname,
 297                 "Media Vision Jazz16 at 0x%lx, irq %d, dma8 %d, dma16 %d",
 298                 port[dev], xirq, xdma8, xdma16);
 299
 300         err = snd_sb8dsp_pcm(chip, 0, NULL);
 301         if (err < 0)
 302                 goto err_free;
 303         err = snd_sbmixer_new(chip);
 304         if (err < 0)
 305                 goto err_free;
 306
 307         err = snd_opl3_create(card, chip->port, chip->port + 2,
 308                               OPL3_HW_AUTO, 1, &opl3);
 309         if (err < 0)
 310                 snd_printk(KERN_WARNING "no OPL device at 0x%lx-0x%lx\n",
 311                            chip->port, chip->port + 2);
 312         else {
 313                 err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
 314                 if (err < 0)
 315                         goto err_free;
 316         }
 317         if (mpu_port[dev] > 0 && mpu_port[dev] != SNDRV_AUTO_PORT) {
 318                 if (mpu_irq[dev] == SNDRV_AUTO_IRQ)
 319                         mpu_irq[dev] = -1;
 320
 321                 if (snd_mpu401_uart_new(card, 0,
 322                                         MPU401_HW_MPU401,
 323                                         mpu_port[dev], 0,
 324                                         mpu_irq[dev],
 325                                         mpu_irq[dev] >= 0 ? IRQF_DISABLED : 0,
 326                                         NULL) < 0)
 327                         snd_printk(KERN_ERR "no MPU-401 device at 0x%lx\n",
 328                                         mpu_port[dev]);
 329         }
 330
 331         snd_card_set_dev(card, devptr);
 332
 333         err = snd_card_register(card);
 334         if (err < 0)
 335                 goto err_free;
 336
 337         dev_set_drvdata(devptr, card);
 338         return 0;
 339
 340 err_free:
 341         snd_card_free(card);
 342         return err;
 343 }
 344
 345 static int __devexit snd_jazz16_remove(struct device *devptr, unsigned int dev)
 346 {
 347         struct snd_card *card = dev_get_drvdata(devptr);
 348
 349         dev_set_drvdata(devptr, NULL);
 350         snd_card_free(card);
 351         return 0;
 352 }
 353
 354 #ifdef CONFIG_PM
 355 static int snd_jazz16_suspend(struct device *pdev, unsigned int n,
 356                                pm_message_t state)
 357 {
 358         struct snd_card *card = dev_get_drvdata(pdev);
 359         struct snd_card_jazz16 *acard = card->private_data;
 360         struct snd_sb *chip = acard->chip;
 361
 362         snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 363         snd_pcm_suspend_all(chip->pcm);
 364         snd_sbmixer_suspend(chip);
 365         return 0;
 366 }
 367
 368 static int snd_jazz16_resume(struct device *pdev, unsigned int n)
 369 {
 370         struct snd_card *card = dev_get_drvdata(pdev);
 371         struct snd_card_jazz16 *acard = card->private_data;
 372         struct snd_sb *chip = acard->chip;
 373
 374         snd_sbdsp_reset(chip);
 375         snd_sbmixer_resume(chip);
 376         snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 377         return 0;
 378 }
 379 #endif
 380
 381 static struct isa_driver snd_jazz16_driver = {
 382         .match          = snd_jazz16_match,
 383         .probe          = snd_jazz16_probe,
 384         .remove         = __devexit_p(snd_jazz16_remove),
 385 #ifdef CONFIG_PM
 386         .suspend        = snd_jazz16_suspend,
 387         .resume         = snd_jazz16_resume,
 388 #endif
 389         .driver         = {
 390                 .name   = "jazz16"
 391         },
 392 };
 393
 394 static int __init alsa_card_jazz16_init(void)
 395 {
 396         return isa_register_driver(&snd_jazz16_driver, SNDRV_CARDS);
 397 }
 398
 399 static void __exit alsa_card_jazz16_exit(void)
 400 {
 401         isa_unregister_driver(&snd_jazz16_driver);
 402 }
 403
 404 module_init(alsa_card_jazz16_init)
 405 module_exit(alsa_card_jazz16_exit)