sound/oss/sscape.c

   1 /*
   2  * sound/sscape.c
   3  *
   4  * Low level driver for Ensoniq SoundScape
   5  *
   6  *
   7  * Copyright (C) by Hannu Savolainen 1993-1997
   8  *
   9  * OSS/Free for Linux is distributed under the GNU GENERAL PUBLIC LICENSE (GPL)
  10  * Version 2 (June 1991). See the "COPYING" file distributed with this software
  11  * for more info.
  12  *
  13  *
  14  * Thomas Sailer        : ioctl code reworked (vmalloc/vfree removed)
  15  * Sergey Smitienko     : ensoniq p'n'p support
  16  * Christoph Hellwig    : adapted to module_init/module_exit
  17  * Bartlomiej Zolnierkiewicz : added __init to attach_sscape()
  18  * Chris Rankin         : Specify that this module owns the coprocessor
  19  * Arnaldo C. de Melo   : added missing restore_flags in sscape_pnp_upload_file
  20  */
  21
  22 #include <linux/init.h>
  23 #include <linux/module.h>
  24
  25 #include "sound_config.h"
  26 #include "sound_firmware.h"
  27
  28 #include <linux/types.h>
  29 #include <linux/errno.h>
  30 #include <linux/signal.h>
  31 #include <linux/fcntl.h>
  32 #include <linux/ctype.h>
  33 #include <linux/stddef.h>
  34 #include <linux/kmod.h>
  35 #include <asm/dma.h>
  36 #include <asm/io.h>
  37 #include <linux/wait.h>
  38 #include <linux/slab.h>
  39 #include <linux/ioport.h>
  40 #include <linux/delay.h>
  41 #include <linux/proc_fs.h>
  42 #include <linux/spinlock.h>
  43
  44 #include "coproc.h"
  45
  46 #include "ad1848.h"
  47 #include "mpu401.h"
  48
  49 /*
  50  *    I/O ports
  51  */
  52 #define MIDI_DATA       0
  53 #define MIDI_CTRL       1
  54 #define HOST_CTRL       2
  55 #define TX_READY        0x02
  56 #define RX_READY        0x01
  57 #define HOST_DATA       3
  58 #define ODIE_ADDR       4
  59 #define ODIE_DATA       5
  60
  61 /*
  62  *    Indirect registers
  63  */
  64
  65 #define GA_INTSTAT_REG  0
  66 #define GA_INTENA_REG   1
  67 #define GA_DMAA_REG     2
  68 #define GA_DMAB_REG     3
  69 #define GA_INTCFG_REG   4
  70 #define GA_DMACFG_REG   5
  71 #define GA_CDCFG_REG    6
  72 #define GA_SMCFGA_REG   7
  73 #define GA_SMCFGB_REG   8
  74 #define GA_HMCTL_REG    9
  75
  76 /*
  77  * DMA channel identifiers (A and B)
  78  */
  79
  80 #define SSCAPE_DMA_A    0
  81 #define SSCAPE_DMA_B    1
  82
  83 #define PORT(name)      (devc->base+name)
  84
  85 /*
  86  * Host commands recognized by the OBP microcode
  87  */
  88
  89 #define CMD_GEN_HOST_ACK        0x80
  90 #define CMD_GEN_MPU_ACK         0x81
  91 #define CMD_GET_BOARD_TYPE      0x82
  92 #define CMD_SET_CONTROL         0x88    /* Old firmware only */
  93 #define CMD_GET_CONTROL         0x89    /* Old firmware only */
  94 #define CTL_MASTER_VOL          0
  95 #define CTL_MIC_MODE            2
  96 #define CTL_SYNTH_VOL           4
  97 #define CTL_WAVE_VOL            7
  98 #define CMD_SET_EXTMIDI         0x8a
  99 #define CMD_GET_EXTMIDI         0x8b
 100 #define CMD_SET_MT32            0x8c
 101 #define CMD_GET_MT32            0x8d
 102
 103 #define CMD_ACK                 0x80
 104
 105 #define IC_ODIE                 1
 106 #define IC_OPUS                 2
 107
 108 typedef struct sscape_info
 109 {
 110         int     base, irq, dma;
 111
 112         int     codec, codec_irq;       /* required to setup pnp cards*/
 113         int     codec_type;
 114         int     ic_type;
 115         char*   raw_buf;
 116         unsigned long   raw_buf_phys;
 117         int     buffsize;               /* -------------------------- */
 118         spinlock_t lock;
 119         int     ok;     /* Properly detected */
 120         int     failed;
 121         int     dma_allocated;
 122         int     codec_audiodev;
 123         int     opened;
 124         int     *osp;
 125         int     my_audiodev;
 126 } sscape_info;
 127
 128 static struct sscape_info adev_info = {
 129         0
 130 };
 131
 132 static struct sscape_info *devc = &adev_info;
 133 static int sscape_mididev = -1;
 134
 135 /* Some older cards have assigned interrupt bits differently than new ones */
 136 static char valid_interrupts_old[] = {
 137         9, 7, 5, 15
 138 };
 139
 140 static char valid_interrupts_new[] = {
 141         9, 5, 7, 10
 142 };
 143
 144 static char *valid_interrupts = valid_interrupts_new;
 145
 146 /*
 147  *      See the bottom of the driver. This can be set by spea =0/1.
 148  */
 149
 150 #ifdef REVEAL_SPEA
 151 static char old_hardware = 1;
 152 #else
 153 static char old_hardware;
 154 #endif
 155
 156 static void sleep(unsigned howlong)
 157 {
 158         current->state = TASK_INTERRUPTIBLE;
 159         schedule_timeout(howlong);
 160 }
 161
 162 static unsigned char sscape_read(struct sscape_info *devc, int reg)
 163 {
 164         unsigned long flags;
 165         unsigned char val;
 166
 167         spin_lock_irqsave(&devc->lock,flags);
 168         outb(reg, PORT(ODIE_ADDR));
 169         val = inb(PORT(ODIE_DATA));
 170         spin_unlock_irqrestore(&devc->lock,flags);
 171         return val;
 172 }
 173
 174 static void __sscape_write(int reg, int data)
 175 {
 176         outb(reg, PORT(ODIE_ADDR));
 177         outb(data, PORT(ODIE_DATA));
 178 }
 179
 180 static void sscape_write(struct sscape_info *devc, int reg, int data)
 181 {
 182         unsigned long flags;
 183
 184         spin_lock_irqsave(&devc->lock,flags);
 185         __sscape_write(reg, data);
 186         spin_unlock_irqrestore(&devc->lock,flags);
 187 }
 188
 189 static unsigned char sscape_pnp_read_codec(sscape_info* devc, unsigned char reg)
 190 {
 191         unsigned char res;
 192         unsigned long flags;
 193
 194         spin_lock_irqsave(&devc->lock,flags);
 195         outb( reg, devc -> codec);
 196         res = inb (devc -> codec + 1);
 197         spin_unlock_irqrestore(&devc->lock,flags);
 198         return res;
 199
 200 }
 201
 202 static void sscape_pnp_write_codec(sscape_info* devc, unsigned char reg, unsigned char data)
 203 {
 204         unsigned long flags;
 205
 206         spin_lock_irqsave(&devc->lock,flags);
 207         outb( reg, devc -> codec);
 208         outb( data, devc -> codec + 1);
 209         spin_unlock_irqrestore(&devc->lock,flags);
 210 }
 211
 212 static void host_open(struct sscape_info *devc)
 213 {
 214         outb((0x00), PORT(HOST_CTRL));  /* Put the board to the host mode */
 215 }
 216
 217 static void host_close(struct sscape_info *devc)
 218 {
 219         outb((0x03), PORT(HOST_CTRL));  /* Put the board to the MIDI mode */
 220 }
 221
 222 static int host_write(struct sscape_info *devc, unsigned char *data, int count)
 223 {
 224         unsigned long flags;
 225         int i, timeout_val;
 226
 227         spin_lock_irqsave(&devc->lock,flags);
 228         /*
 229          * Send the command and data bytes
 230          */
 231
 232         for (i = 0; i < count; i++)
 233         {
 234                 for (timeout_val = 10000; timeout_val > 0; timeout_val--)
 235                         if (inb(PORT(HOST_CTRL)) & TX_READY)
 236                                 break;
 237
 238                 if (timeout_val <= 0)
 239                 {
 240                                 spin_unlock_irqrestore(&devc->lock,flags);
 241                             return 0;
 242                 }
 243                 outb(data[i], PORT(HOST_DATA));
 244         }
 245         spin_unlock_irqrestore(&devc->lock,flags);
 246         return 1;
 247 }
 248
 249 static int host_read(struct sscape_info *devc)
 250 {
 251         unsigned long flags;
 252         int timeout_val;
 253         unsigned char data;
 254
 255         spin_lock_irqsave(&devc->lock,flags);
 256         /*
 257          * Read a byte
 258          */
 259
 260         for (timeout_val = 10000; timeout_val > 0; timeout_val--)
 261                 if (inb(PORT(HOST_CTRL)) & RX_READY)
 262                         break;
 263
 264         if (timeout_val <= 0)
 265         {
 266                 spin_unlock_irqrestore(&devc->lock,flags);
 267                 return -1;
 268         }
 269         data = inb(PORT(HOST_DATA));
 270         spin_unlock_irqrestore(&devc->lock,flags);
 271         return data;
 272 }
 273
 274 #if 0 /* unused */
 275 static int host_command1(struct sscape_info *devc, int cmd)
 276 {
 277         unsigned char buf[10];
 278         buf[0] = (unsigned char) (cmd & 0xff);
 279         return host_write(devc, buf, 1);
 280 }
 281 #endif /* unused */
 282
 283
 284 static int host_command2(struct sscape_info *devc, int cmd, int parm1)
 285 {
 286         unsigned char buf[10];
 287
 288         buf[0] = (unsigned char) (cmd & 0xff);
 289         buf[1] = (unsigned char) (parm1 & 0xff);
 290
 291         return host_write(devc, buf, 2);
 292 }
 293
 294 static int host_command3(struct sscape_info *devc, int cmd, int parm1, int parm2)
 295 {
 296         unsigned char buf[10];
 297
 298         buf[0] = (unsigned char) (cmd & 0xff);
 299         buf[1] = (unsigned char) (parm1 & 0xff);
 300         buf[2] = (unsigned char) (parm2 & 0xff);
 301         return host_write(devc, buf, 3);
 302 }
 303
 304 static void set_mt32(struct sscape_info *devc, int value)
 305 {
 306         host_open(devc);
 307         host_command2(devc, CMD_SET_MT32, value ? 1 : 0);
 308         if (host_read(devc) != CMD_ACK)
 309         {
 310                 /* printk( "SNDSCAPE: Setting MT32 mode failed\n"); */
 311         }
 312         host_close(devc);
 313 }
 314
 315 static void set_control(struct sscape_info *devc, int ctrl, int value)
 316 {
 317         host_open(devc);
 318         host_command3(devc, CMD_SET_CONTROL, ctrl, value);
 319         if (host_read(devc) != CMD_ACK)
 320         {
 321                 /* printk( "SNDSCAPE: Setting control (%d) failed\n",  ctrl); */
 322         }
 323         host_close(devc);
 324 }
 325
 326 static void do_dma(struct sscape_info *devc, int dma_chan, unsigned long buf, int blk_size, int mode)
 327 {
 328         unsigned char temp;
 329
 330         if (dma_chan != SSCAPE_DMA_A)
 331         {
 332                 printk(KERN_WARNING "soundscape: Tried to use DMA channel  != A. Why?\n");
 333                 return;
 334         }
 335         audio_devs[devc->codec_audiodev]->flags &= ~DMA_AUTOMODE;
 336         DMAbuf_start_dma(devc->codec_audiodev, buf, blk_size, mode);
 337         audio_devs[devc->codec_audiodev]->flags |= DMA_AUTOMODE;
 338
 339         temp = devc->dma << 4;  /* Setup DMA channel select bits */
 340         if (devc->dma <= 3)
 341                 temp |= 0x80;   /* 8 bit DMA channel */
 342
 343         temp |= 1;              /* Trigger DMA */
 344         sscape_write(devc, GA_DMAA_REG, temp);
 345         temp &= 0xfe;           /* Clear DMA trigger */
 346         sscape_write(devc, GA_DMAA_REG, temp);
 347 }
 348
 349 static int verify_mpu(struct sscape_info *devc)
 350 {
 351         /*
 352          * The SoundScape board could be in three modes (MPU, 8250 and host).
 353          * If the card is not in the MPU mode, enabling the MPU driver will
 354          * cause infinite loop (the driver believes that there is always some
 355          * received data in the buffer.
 356          *
 357          * Detect this by looking if there are more than 10 received MIDI bytes
 358          * (0x00) in the buffer.
 359          */
 360
 361         int i;
 362
 363         for (i = 0; i < 10; i++)
 364         {
 365                 if (inb(devc->base + HOST_CTRL) & 0x80)
 366                         return 1;
 367
 368                 if (inb(devc->base) != 0x00)
 369                         return 1;
 370         }
 371         printk(KERN_WARNING "SoundScape: The device is not in the MPU-401 mode\n");
 372         return 0;
 373 }
 374
 375 static int sscape_coproc_open(void *dev_info, int sub_device)
 376 {
 377         if (sub_device == COPR_MIDI)
 378         {
 379                 set_mt32(devc, 0);
 380                 if (!verify_mpu(devc))
 381                         return -EIO;
 382         }
 383         return 0;
 384 }
 385
 386 static void sscape_coproc_close(void *dev_info, int sub_device)
 387 {
 388         struct sscape_info *devc = dev_info;
 389         unsigned long   flags;
 390
 391         spin_lock_irqsave(&devc->lock,flags);
 392         if (devc->dma_allocated)
 393         {
 394                 __sscape_write(GA_DMAA_REG, 0x20);      /* DMA channel disabled */
 395                 devc->dma_allocated = 0;
 396         }
 397         spin_unlock_irqrestore(&devc->lock,flags);
 398         return;
 399 }
 400
 401 static void sscape_coproc_reset(void *dev_info)
 402 {
 403 }
 404
 405 static int sscape_download_boot(struct sscape_info *devc, unsigned char *block, int size, int flag)
 406 {
 407         unsigned long flags;
 408         unsigned char temp;
 409         volatile int done, timeout_val;
 410         static unsigned char codec_dma_bits;
 411
 412         if (flag & CPF_FIRST)
 413         {
 414                 /*
 415                  * First block. Have to allocate DMA and to reset the board
 416                  * before continuing.
 417                  */
 418
 419                 spin_lock_irqsave(&devc->lock,flags);
 420                 codec_dma_bits = sscape_read(devc, GA_CDCFG_REG);
 421
 422                 if (devc->dma_allocated == 0)
 423                         devc->dma_allocated = 1;
 424
 425                 spin_unlock_irqrestore(&devc->lock,flags);
 426
 427                 sscape_write(devc, GA_HMCTL_REG,
 428                         (temp = sscape_read(devc, GA_HMCTL_REG)) & 0x3f);       /*Reset */
 429
 430                 for (timeout_val = 10000; timeout_val > 0; timeout_val--)
 431                         sscape_read(devc, GA_HMCTL_REG);        /* Delay */
 432
 433                 /* Take board out of reset */
 434                 sscape_write(devc, GA_HMCTL_REG,
 435                         (temp = sscape_read(devc, GA_HMCTL_REG)) | 0x80);
 436         }
 437         /*
 438          * Transfer one code block using DMA
 439          */
 440         if (audio_devs[devc->codec_audiodev]->dmap_out->raw_buf == NULL)
 441         {
 442                 printk(KERN_WARNING "soundscape: DMA buffer not available\n");
 443                 return 0;
 444         }
 445         memcpy(audio_devs[devc->codec_audiodev]->dmap_out->raw_buf, block, size);
 446
 447         spin_lock_irqsave(&devc->lock,flags);
 448
 449         /******** INTERRUPTS DISABLED NOW ********/
 450
 451         do_dma(devc, SSCAPE_DMA_A,
 452                audio_devs[devc->codec_audiodev]->dmap_out->raw_buf_phys,
 453                size, DMA_MODE_WRITE);
 454
 455         /*
 456          * Wait until transfer completes.
 457          */
 458
 459         done = 0;
 460         timeout_val = 30;
 461         while (!done && timeout_val-- > 0)
 462         {
 463                 int resid;
 464
 465                 if (HZ / 50)
 466                         sleep(HZ / 50);
 467                 clear_dma_ff(devc->dma);
 468                 if ((resid = get_dma_residue(devc->dma)) == 0)
 469                         done = 1;
 470         }
 471
 472         spin_unlock_irqrestore(&devc->lock,flags);
 473         if (!done)
 474                 return 0;
 475
 476         if (flag & CPF_LAST)
 477         {
 478                 /*
 479                  * Take the board out of reset
 480                  */
 481                 outb((0x00), PORT(HOST_CTRL));
 482                 outb((0x00), PORT(MIDI_CTRL));
 483
 484                 temp = sscape_read(devc, GA_HMCTL_REG);
 485                 temp |= 0x40;
 486                 sscape_write(devc, GA_HMCTL_REG, temp); /* Kickstart the board */
 487
 488                 /*
 489                  * Wait until the ODB wakes up
 490                  */
 491                 spin_lock_irqsave(&devc->lock,flags);
 492                 done = 0;
 493                 timeout_val = 5 * HZ;
 494                 while (!done && timeout_val-- > 0)
 495                 {
 496                         unsigned char x;
 497
 498                         sleep(1);
 499                         x = inb(PORT(HOST_DATA));
 500                         if (x == 0xff || x == 0xfe)             /* OBP startup acknowledge */
 501                         {
 502                                 DDB(printk("Soundscape: Acknowledge = %x\n", x));
 503                                 done = 1;
 504                         }
 505                 }
 506                 sscape_write(devc, GA_CDCFG_REG, codec_dma_bits);
 507
 508                 spin_unlock_irqrestore(&devc->lock,flags);
 509                 if (!done)
 510                 {
 511                         printk(KERN_ERR "soundscape: The OBP didn't respond after code download\n");
 512                         return 0;
 513                 }
 514                 spin_lock_irqsave(&devc->lock,flags);
 515                 done = 0;
 516                 timeout_val = 5 * HZ;
 517                 while (!done && timeout_val-- > 0)
 518                 {
 519                         sleep(1);
 520                         if (inb(PORT(HOST_DATA)) == 0xfe)       /* Host startup acknowledge */
 521                                 done = 1;
 522                 }
 523                 spin_unlock_irqrestore(&devc->lock,flags);
 524                 if (!done)
 525                 {
 526                         printk(KERN_ERR "soundscape: OBP Initialization failed.\n");
 527                         return 0;
 528                 }
 529                 printk(KERN_INFO "SoundScape board initialized OK\n");
 530                 set_control(devc, CTL_MASTER_VOL, 100);
 531                 set_control(devc, CTL_SYNTH_VOL, 100);
 532
 533 #ifdef SSCAPE_DEBUG3
 534                 /*
 535                  * Temporary debugging aid. Print contents of the registers after
 536                  * downloading the code.
 537                  */
 538                 {
 539                         int i;
 540
 541                         for (i = 0; i < 13; i++)
 542                                 printk("I%d = %02x (new value)\n", i, sscape_read(devc, i));
 543                 }
 544 #endif
 545
 546         }
 547         return 1;
 548 }
 549
 550 static int download_boot_block(void *dev_info, copr_buffer * buf)
 551 {
 552         if (buf->len <= 0 || buf->len > sizeof(buf->data))
 553                 return -EINVAL;
 554
 555         if (!sscape_download_boot(devc, buf->data, buf->len, buf->flags))
 556         {
 557                 printk(KERN_ERR "soundscape: Unable to load microcode block to the OBP.\n");
 558                 return -EIO;
 559         }
 560         return 0;
 561 }
 562
 563 static int sscape_coproc_ioctl(void *dev_info, unsigned int cmd, void __user *arg, int local)
 564 {
 565         copr_buffer *buf;
 566         int err;
 567
 568         switch (cmd)
 569         {
 570                 case SNDCTL_COPR_RESET:
 571                         sscape_coproc_reset(dev_info);
 572                         return 0;
 573
 574                 case SNDCTL_COPR_LOAD:
 575                         buf = (copr_buffer *) vmalloc(sizeof(copr_buffer));
 576                         if (buf == NULL)
 577                                 return -ENOSPC;
 578                         if (copy_from_user(buf, arg, sizeof(copr_buffer)))
 579                         {
 580                                 vfree(buf);
 581                                 return -EFAULT;
 582                         }
 583                         err = download_boot_block(dev_info, buf);
 584                         vfree(buf);
 585                         return err;
 586
 587                 default:
 588                         return -EINVAL;
 589         }
 590 }
 591
 592 static coproc_operations sscape_coproc_operations =
 593 {
 594         "SoundScape M68K",
 595         THIS_MODULE,
 596         sscape_coproc_open,
 597         sscape_coproc_close,
 598         sscape_coproc_ioctl,
 599         sscape_coproc_reset,
 600         &adev_info
 601 };
 602
 603 static int sscape_detected;
 604 static int sscape_is_pnp;
 605
 606 void __init attach_sscape(struct address_info *hw_config)
 607 {
 608 #ifndef SSCAPE_REGS
 609         /*
 610          * Config register values for Spea/V7 Media FX and Ensoniq S-2000.
 611          * These values are card
 612          * dependent. If you have another SoundScape based card, you have to
 613          * find the correct values. Do the following:
 614          *  - Compile this driver with SSCAPE_DEBUG1 defined.
 615          *  - Shut down and power off your machine.
 616          *  - Boot with DOS so that the SSINIT.EXE program is run.
 617          *  - Warm boot to {Linux|SYSV|BSD} and write down the lines displayed
 618          *    when detecting the SoundScape.
 619          *  - Modify the following list to use the values printed during boot.
 620          *    Undefine the SSCAPE_DEBUG1
 621          */
 622 #define SSCAPE_REGS { \
 623 /* I0 */        0x00, \
 624 /* I1 */        0xf0, /* Note! Ignored. Set always to 0xf0 */ \
 625 /* I2 */        0x20, /* Note! Ignored. Set always to 0x20 */ \
 626 /* I3 */        0x20, /* Note! Ignored. Set always to 0x20 */ \
 627 /* I4 */        0xf5, /* Ignored */ \
 628 /* I5 */        0x10, \
 629 /* I6 */        0x00, \
 630 /* I7 */        0x2e, /* I7 MEM config A. Likely to vary between models */ \
 631 /* I8 */        0x00, /* I8 MEM config B. Likely to vary between models */ \
 632 /* I9 */        0x40 /* Ignored */ \
 633         }
 634 #endif
 635
 636         unsigned long   flags;
 637         static unsigned char regs[10] = SSCAPE_REGS;
 638
 639         int i, irq_bits = 0xff;
 640
 641         if (sscape_detected != hw_config->io_base)
 642                 return;
 643
 644         request_region(devc->base + 2, 6, "SoundScape");
 645         if (old_hardware)
 646         {
 647                 valid_interrupts = valid_interrupts_old;
 648                 conf_printf("Ensoniq SoundScape (old)", hw_config);
 649         }
 650         else
 651                 conf_printf("Ensoniq SoundScape", hw_config);
 652
 653         for (i = 0; i < sizeof(valid_interrupts); i++)
 654         {
 655                 if (hw_config->irq == valid_interrupts[i])
 656                 {
 657                         irq_bits = i;
 658                         break;
 659                 }
 660         }
 661         if (hw_config->irq > 15 || (regs[4] = irq_bits == 0xff))
 662         {
 663                 printk(KERN_ERR "Invalid IRQ%d\n", hw_config->irq);
 664                 return;
 665         }
 666
 667         if (!sscape_is_pnp) {
 668
 669                 spin_lock_irqsave(&devc->lock,flags);
 670             for (i = 1; i < 10; i++)
 671             {
 672                 switch (i)
 673                 {
 674                         case 1: /* Host interrupt enable */
 675                                 sscape_write(devc, i, 0xf0);    /* All interrupts enabled */
 676                                 break;
 677
 678                         case 2: /* DMA A status/trigger register */
 679                         case 3: /* DMA B status/trigger register */
 680                                 sscape_write(devc, i, 0x20);    /* DMA channel disabled */
 681                                 break;
 682
 683                         case 4: /* Host interrupt config reg */
 684                                 sscape_write(devc, i, 0xf0 | (irq_bits << 2) | irq_bits);
 685                                 break;
 686
 687                         case 5: /* Don't destroy CD-ROM DMA config bits (0xc0) */
 688                                 sscape_write(devc, i, (regs[i] & 0x3f) | (sscape_read(devc, i) & 0xc0));
 689                                 break;
 690
 691                         case 6: /* CD-ROM config (WSS codec actually) */
 692                                 sscape_write(devc, i, regs[i]);
 693                                 break;
 694
 695                         case 9: /* Master control reg. Don't modify CR-ROM bits. Disable SB emul */
 696                                 sscape_write(devc, i, (sscape_read(devc, i) & 0xf0) | 0x08);
 697                                 break;
 698
 699                         default:
 700                                 sscape_write(devc, i, regs[i]);
 701                 }
 702             }
 703                 spin_unlock_irqrestore(&devc->lock,flags);
 704         }
 705 #ifdef SSCAPE_DEBUG2
 706         /*
 707          * Temporary debugging aid. Print contents of the registers after
 708          * changing them.
 709          */
 710         {
 711                 int i;
 712
 713                 for (i = 0; i < 13; i++)
 714                         printk("I%d = %02x (new value)\n", i, sscape_read(devc, i));
 715         }
 716 #endif
 717
 718         if (probe_mpu401(hw_config))
 719                 hw_config->always_detect = 1;
 720         hw_config->name = "SoundScape";
 721
 722         hw_config->irq *= -1;   /* Negative value signals IRQ sharing */
 723         attach_mpu401(hw_config, THIS_MODULE);
 724         hw_config->irq *= -1;   /* Restore it */
 725
 726         if (hw_config->slots[1] != -1)  /* The MPU driver installed itself */
 727         {
 728                 sscape_mididev = hw_config->slots[1];
 729                 midi_devs[hw_config->slots[1]]->coproc = &sscape_coproc_operations;
 730         }
 731         sscape_write(devc, GA_INTENA_REG, 0x80);        /* Master IRQ enable */
 732         devc->ok = 1;
 733         devc->failed = 0;
 734 }
 735
 736 static int detect_ga(sscape_info * devc)
 737 {
 738         unsigned char save;
 739
 740         DDB(printk("Entered Soundscape detect_ga(%x)\n", devc->base));
 741
 742         if (check_region(devc->base, 8))
 743                 return 0;
 744
 745         /*
 746          * First check that the address register of "ODIE" is
 747          * there and that it has exactly 4 writable bits.
 748          * First 4 bits
 749          */
 750
 751         if ((save = inb(PORT(ODIE_ADDR))) & 0xf0)
 752         {
 753                 DDB(printk("soundscape: Detect error A\n"));
 754                 return 0;
 755         }
 756         outb((0x00), PORT(ODIE_ADDR));
 757         if (inb(PORT(ODIE_ADDR)) != 0x00)
 758         {
 759                 DDB(printk("soundscape: Detect error B\n"));
 760                 return 0;
 761         }
 762         outb((0xff), PORT(ODIE_ADDR));
 763         if (inb(PORT(ODIE_ADDR)) != 0x0f)
 764         {
 765                 DDB(printk("soundscape: Detect error C\n"));
 766                 return 0;
 767         }
 768         outb((save), PORT(ODIE_ADDR));
 769
 770         /*
 771          * Now verify that some indirect registers return zero on some bits.
 772          * This may break the driver with some future revisions of "ODIE" but...
 773          */
 774
 775         if (sscape_read(devc, 0) & 0x0c)
 776         {
 777                 DDB(printk("soundscape: Detect error D (%x)\n", sscape_read(devc, 0)));
 778                 return 0;
 779         }
 780         if (sscape_read(devc, 1) & 0x0f)
 781         {
 782                 DDB(printk("soundscape: Detect error E\n"));
 783                 return 0;
 784         }
 785         if (sscape_read(devc, 5) & 0x0f)
 786         {
 787                 DDB(printk("soundscape: Detect error F\n"));
 788                 return 0;
 789         }
 790         return 1;
 791 }
 792
 793 static  int sscape_read_host_ctrl(sscape_info* devc)
 794 {
 795         return host_read(devc);
 796 }
 797
 798 static  void sscape_write_host_ctrl2(sscape_info *devc, int a, int b)
 799 {
 800         host_command2(devc, a, b);
 801 }
 802
 803 static int sscape_alloc_dma(sscape_info *devc)
 804 {
 805         char *start_addr, *end_addr;
 806         int dma_pagesize;
 807         int sz, size;
 808         struct page *page;
 809
 810         if (devc->raw_buf != NULL) return 0;    /* Already done */
 811         dma_pagesize = (devc->dma < 4) ? (64 * 1024) : (128 * 1024);
 812         devc->raw_buf = NULL;
 813         devc->buffsize = 8192*4;
 814         if (devc->buffsize > dma_pagesize) devc->buffsize = dma_pagesize;
 815         start_addr = NULL;
 816         /*
 817          * Now loop until we get a free buffer. Try to get smaller buffer if
 818          * it fails. Don't accept smaller than 8k buffer for performance
 819          * reasons.
 820          */
 821         while (start_addr == NULL && devc->buffsize > PAGE_SIZE) {
 822                 for (sz = 0, size = PAGE_SIZE; size < devc->buffsize; sz++, size <<= 1);
 823                 devc->buffsize = PAGE_SIZE * (1 << sz);
 824                 start_addr = (char *) __get_free_pages(GFP_ATOMIC|GFP_DMA, sz);
 825                 if (start_addr == NULL) devc->buffsize /= 2;
 826         }
 827
 828         if (start_addr == NULL) {
 829                 printk(KERN_ERR "sscape pnp init error: Couldn't allocate DMA buffer\n");
 830                 return 0;
 831         } else {
 832                 /* make some checks */
 833                 end_addr = start_addr + devc->buffsize - 1;
 834                 /* now check if it fits into the same dma-pagesize */
 835
 836                 if (((long) start_addr & ~(dma_pagesize - 1)) != ((long) end_addr & ~(dma_pagesize - 1))
 837                     || end_addr >= (char *) (MAX_DMA_ADDRESS)) {
 838                         printk(KERN_ERR "sscape pnp: Got invalid address 0x%lx for %db DMA-buffer\n", (long) start_addr, devc->buffsize);
 839                         return 0;
 840                 }
 841         }
 842         devc->raw_buf = start_addr;
 843         devc->raw_buf_phys = virt_to_bus(start_addr);
 844
 845         for (page = virt_to_page(start_addr); page <= virt_to_page(end_addr); page++)
 846                 SetPageReserved(page);
 847         return 1;
 848 }
 849
 850 static void sscape_free_dma(sscape_info *devc)
 851 {
 852         int sz, size;
 853         unsigned long start_addr, end_addr;
 854         struct page *page;
 855
 856         if (devc->raw_buf == NULL) return;
 857         for (sz = 0, size = PAGE_SIZE; size < devc->buffsize; sz++, size <<= 1);
 858         start_addr = (unsigned long) devc->raw_buf;
 859         end_addr = start_addr + devc->buffsize;
 860
 861         for (page = virt_to_page(start_addr); page <= virt_to_page(end_addr); page++)
 862                 ClearPageReserved(page);
 863
 864         free_pages((unsigned long) devc->raw_buf, sz);
 865         devc->raw_buf = NULL;
 866 }
 867
 868 /* Intel version !!!!!!!!! */
 869
 870 static int sscape_start_dma(int chan, unsigned long physaddr, int count, int dma_mode)
 871 {
 872         unsigned long flags;
 873
 874         flags = claim_dma_lock();
 875         disable_dma(chan);
 876         clear_dma_ff(chan);
 877         set_dma_mode(chan, dma_mode);
 878         set_dma_addr(chan, physaddr);
 879         set_dma_count(chan, count);
 880         enable_dma(chan);
 881         release_dma_lock(flags);
 882         return 0;
 883 }
 884
 885 static void sscape_pnp_start_dma(sscape_info* devc, int arg )
 886 {
 887         int reg;
 888         if (arg == 0) reg = 2;
 889         else reg = 3;
 890
 891         sscape_write(devc, reg, sscape_read( devc, reg) | 0x01);
 892         sscape_write(devc, reg, sscape_read( devc, reg) & 0xFE);
 893 }
 894
 895 static int sscape_pnp_wait_dma (sscape_info* devc, int arg )
 896 {
 897         int             reg;
 898         unsigned long   i;
 899         unsigned char   d;
 900
 901         if (arg == 0) reg = 2;
 902         else reg = 3;
 903
 904         sleep ( 1 );
 905         i = 0;
 906         do {
 907                 d = sscape_read(devc, reg) & 1;
 908                 if ( d == 1)  break;
 909                 i++;
 910         } while (i < 500000);
 911         d = sscape_read(devc, reg) & 1;
 912         return d;
 913 }
 914
 915 static  int     sscape_pnp_alloc_dma(sscape_info* devc)
 916 {
 917         /* printk(KERN_INFO "sscape: requesting dma\n"); */
 918         if (request_dma(devc -> dma, "sscape")) return 0;
 919         /* printk(KERN_INFO "sscape: dma channel allocated\n"); */
 920         if (!sscape_alloc_dma(devc)) {
 921                 free_dma(devc -> dma);
 922                 return 0;
 923         };
 924         return 1;
 925 }
 926
 927 static  void    sscape_pnp_free_dma(sscape_info* devc)
 928 {
 929         sscape_free_dma( devc);
 930         free_dma(devc -> dma );
 931         /* printk(KERN_INFO "sscape: dma released\n"); */
 932 }
 933
 934 static  int     sscape_pnp_upload_file(sscape_info* devc, char* fn)
 935 {
 936         int             done = 0;
 937         int             timeout_val;
 938         char*           data,*dt;
 939         int             len,l;
 940         unsigned long   flags;
 941
 942         sscape_write( devc, 9, sscape_read(devc, 9 )  & 0x3F );
 943         sscape_write( devc, 2, (devc -> dma << 4) | 0x80 );
 944         sscape_write( devc, 3, 0x20 );
 945         sscape_write( devc, 9, sscape_read( devc, 9 )  | 0x80 );
 946
 947         len = mod_firmware_load(fn, &data);
 948         if (len == 0) {
 949                     printk(KERN_ERR "sscape: file not found: %s\n", fn);
 950                     return 0;
 951         }
 952         dt = data;
 953         spin_lock_irqsave(&devc->lock,flags);
 954         while ( len > 0 ) {
 955                 if (len > devc -> buffsize) l = devc->buffsize;
 956                 else l = len;
 957                 len -= l;
 958                 memcpy(devc->raw_buf, dt, l); dt += l;
 959                 sscape_start_dma(devc->dma, devc->raw_buf_phys, l, 0x48);
 960                 sscape_pnp_start_dma ( devc, 0 );
 961                 if (sscape_pnp_wait_dma ( devc, 0 ) == 0) {
 962                         spin_unlock_irqrestore(&devc->lock,flags);
 963                         return 0;
 964                 }
 965         }
 966
 967         spin_unlock_irqrestore(&devc->lock,flags);
 968         vfree(data);
 969
 970         outb(0, devc -> base + 2);
 971         outb(0, devc -> base);
 972
 973         sscape_write ( devc, 9, sscape_read( devc, 9 ) | 0x40);
 974
 975         timeout_val = 5 * HZ;
 976         while (!done && timeout_val-- > 0)
 977         {
 978                 unsigned char x;
 979                 sleep(1);
 980                 x = inb( devc -> base + 3);
 981                 if (x == 0xff || x == 0xfe)             /* OBP startup acknowledge */
 982                 {
 983                         //printk(KERN_ERR "Soundscape: Acknowledge = %x\n", x);
 984                         done = 1;
 985                 }
 986         }
 987         timeout_val = 5 * HZ;
 988         done = 0;
 989         while (!done && timeout_val-- > 0)
 990         {
 991                 unsigned char x;
 992                 sleep(1);
 993                 x = inb( devc -> base + 3);
 994                 if (x == 0xfe)          /* OBP startup acknowledge */
 995                 {
 996                         //printk(KERN_ERR "Soundscape: Acknowledge = %x\n", x);
 997                         done = 1;
 998                 }
 999         }
1000
1001         if ( !done ) printk(KERN_ERR "soundscape: OBP Initialization failed.\n");
1002
1003         sscape_write( devc, 2, devc->ic_type == IC_ODIE ? 0x70 : 0x40);
1004         sscape_write( devc, 3, (devc -> dma << 4) + 0x80);
1005         return 1;
1006 }
1007
1008 static void __init sscape_pnp_init_hw(sscape_info* devc)
1009 {
1010         unsigned char midi_irq = 0, sb_irq = 0;
1011         unsigned i;
1012         static  char code_file_name[23] = "/sndscape/sndscape.cox";
1013
1014         int sscape_sb_enable            = 0;
1015         int sscape_joystic_enable       = 0x7f;
1016         int sscape_mic_enable           = 0;
1017         int sscape_ext_midi             = 0;
1018
1019         if ( !sscape_pnp_alloc_dma(devc) ) {
1020                 printk(KERN_ERR "sscape: faild to allocate dma\n");
1021                 return;
1022         }
1023
1024         for (i = 0; i < 4; i++) {
1025                 if ( devc -> irq   == valid_interrupts[i] )
1026                         midi_irq = i;
1027                 if ( devc -> codec_irq == valid_interrupts[i] )
1028                         sb_irq = i;
1029         }
1030
1031         sscape_write( devc, 5, 0x50);
1032         sscape_write( devc, 7, 0x2e);
1033         sscape_write( devc, 8, 0x00);
1034
1035         sscape_write( devc, 2, devc->ic_type == IC_ODIE ? 0x70 : 0x40);
1036         sscape_write( devc, 3, ( devc -> dma << 4) | 0x80);
1037
1038         if ( sscape_sb_enable )
1039                 sscape_write (devc, 4, 0xF0 | (sb_irq << 2) | midi_irq);
1040         else
1041                 sscape_write (devc, 4, 0xF0 | (midi_irq<<2) | midi_irq);
1042
1043         i = 0x10; //sscape_read(devc, 9) & (devc->ic_type == IC_ODIE ? 0xf0 : 0xc0);
1044         if ( sscape_sb_enable )
1045                 i |= devc->ic_type == IC_ODIE ? 0x05 : 0x07;
1046         if (sscape_joystic_enable) i |= 8;
1047
1048         sscape_write (devc, 9, i);
1049         sscape_write (devc, 6, 0x80);
1050         sscape_write (devc, 1, 0x80);
1051
1052         if (devc -> codec_type == 2) {
1053                 sscape_pnp_write_codec( devc, 0x0C, 0x50);
1054                 sscape_pnp_write_codec( devc, 0x10, sscape_pnp_read_codec( devc, 0x10) & 0x3F);
1055                 sscape_pnp_write_codec( devc, 0x11, sscape_pnp_read_codec( devc, 0x11) | 0xC0);
1056                 sscape_pnp_write_codec( devc, 29, 0x20);
1057         }
1058
1059         if (sscape_pnp_upload_file(devc, "/sndscape/scope.cod") == 0 ) {
1060                 printk(KERN_ERR "sscape: faild to upload file /sndscape/scope.cod\n");
1061                 sscape_pnp_free_dma(devc);
1062                 return;
1063         }
1064
1065         i = sscape_read_host_ctrl( devc );
1066
1067         if ( (i & 0x0F) >  7 ) {
1068                 printk(KERN_ERR "sscape: scope.cod faild\n");
1069                 sscape_pnp_free_dma(devc);
1070                 return;
1071         }
1072         if ( i & 0x10 ) sscape_write( devc, 7, 0x2F);
1073         code_file_name[21] = (char) ( i & 0x0F) + 0x30;
1074         if (sscape_pnp_upload_file( devc, code_file_name) == 0) {
1075                 printk(KERN_ERR "sscape: faild to upload file %s\n", code_file_name);
1076                 sscape_pnp_free_dma(devc);
1077                 return;
1078         }
1079
1080         if (devc->ic_type != IC_ODIE) {
1081                 sscape_pnp_write_codec( devc, 10, (sscape_pnp_read_codec(devc, 10) & 0x7f) |
1082                  ( sscape_mic_enable == 0 ? 0x00 : 0x80) );
1083         }
1084         sscape_write_host_ctrl2( devc, 0x84, 0x64 );  /* MIDI volume */
1085         sscape_write_host_ctrl2( devc, 0x86, 0x64 );  /* MIDI volume?? */
1086         sscape_write_host_ctrl2( devc, 0x8A, sscape_ext_midi);
1087
1088         sscape_pnp_write_codec ( devc, 6, 0x3f ); //WAV_VOL
1089         sscape_pnp_write_codec ( devc, 7, 0x3f ); //WAV_VOL
1090         sscape_pnp_write_codec ( devc, 2, 0x1F ); //WD_CDXVOLL
1091         sscape_pnp_write_codec ( devc, 3, 0x1F ); //WD_CDXVOLR
1092
1093         if (devc -> codec_type == 1) {
1094                 sscape_pnp_write_codec ( devc, 4, 0x1F );
1095                 sscape_pnp_write_codec ( devc, 5, 0x1F );
1096                 sscape_write_host_ctrl2( devc, 0x88, sscape_mic_enable);
1097         } else {
1098                 int t;
1099                 sscape_pnp_write_codec ( devc, 0x10, 0x1F << 1);
1100                 sscape_pnp_write_codec ( devc, 0x11, 0xC0 | (0x1F << 1));
1101
1102                 t = sscape_pnp_read_codec( devc, 0x00) & 0xDF;
1103                 if ( (sscape_mic_enable == 0)) t |= 0;
1104                 else t |= 0x20;
1105                 sscape_pnp_write_codec ( devc, 0x00, t);
1106                 t = sscape_pnp_read_codec( devc, 0x01) & 0xDF;
1107                 if ( (sscape_mic_enable == 0) ) t |= 0;
1108                 else t |= 0x20;
1109                 sscape_pnp_write_codec ( devc, 0x01, t);
1110                 sscape_pnp_write_codec ( devc, 0x40 | 29 , 0x20);
1111                 outb(0, devc -> codec);
1112         }
1113         if (devc -> ic_type == IC_OPUS ) {
1114                 int i = sscape_read( devc, 9 );
1115                 sscape_write( devc, 9, i | 3 );
1116                 sscape_write( devc, 3, 0x40);
1117
1118                 if (check_region(0x228, 1)) {
1119                             outb(0, 0x228);
1120                             release_region(0x228,1);
1121                 }
1122                 sscape_write( devc, 3, (devc -> dma << 4) | 0x80);
1123                 sscape_write( devc, 9, i );
1124         }
1125
1126         host_close ( devc );
1127         sscape_pnp_free_dma(devc);
1128 }
1129
1130 static int __init detect_sscape_pnp(sscape_info* devc)
1131 {
1132         long     i, irq_bits = 0xff;
1133         unsigned int d;
1134
1135         DDB(printk("Entered detect_sscape_pnp(%x)\n", devc->base));
1136
1137         if (check_region(devc->base, 8)) {
1138                 printk(KERN_ERR "detect_sscape_pnp: port %x is not free\n", devc->base);
1139                 return 0;
1140         }
1141
1142         if (check_region(devc->codec, 2)) {
1143                 printk(KERN_ERR "detect_sscape_pnp: port %x is not free\n", devc->codec);
1144                 return 0;
1145         }
1146
1147         if ( (inb( devc -> base + 2) & 0x78) != 0) return 0;
1148
1149         d = inb ( devc -> base + 4) & 0xF0;
1150         if (  (d & 0x80) != 0)  return 0;
1151
1152         if (d == 0) {
1153                         devc->codec_type = 1;
1154                         devc->ic_type = IC_ODIE;
1155         }
1156         else if ( (d & 0x60) != 0) {
1157                         devc->codec_type = 2;
1158                         devc->ic_type = IC_OPUS;
1159         }
1160         else if ( (d & 0x40) != 0) {
1161                         devc->codec_type = 2;
1162                         devc->ic_type = IC_ODIE;
1163         }
1164         else return 0;
1165
1166         sscape_is_pnp = 1;
1167
1168         outb(0xFA, devc -> base+4);
1169         if  ((inb( devc -> base+4) & 0x9F) != 0x0A)
1170                 return 0;
1171         outb(0xFE, devc -> base+4);
1172         if  ( (inb(devc -> base+4) & 0x9F) != 0x0E)
1173                 return 0;
1174         if  ( (inb(devc -> base+5) & 0x9F) != 0x0E)
1175                 return 0;
1176
1177         if (devc->codec_type == 2) {
1178                 if (devc -> codec != devc -> base + 8)
1179                         printk("soundscape warning: incorrect codec port specified\n");
1180                 devc -> codec = devc -> base + 8;
1181                 d = 0x10 | (sscape_read(devc, 9)  & 0xCF);
1182                 sscape_write(devc, 9, d);
1183                 sscape_write(devc, 6, 0x80);
1184         } else {
1185                 //todo: check codec is not base + 8
1186         }
1187
1188         d  = (sscape_read(devc, 9) & 0x3F) | 0xC0;
1189         sscape_write(devc, 9, d);
1190
1191         for (i = 0; i < 550000; i++)
1192                 if ( !(inb(devc -> codec) & 0x80) ) break;
1193
1194         d = inb(devc -> codec);
1195         if (d & 0x80)
1196                 return 0;
1197         if ( inb(devc -> codec + 2) == 0xFF)
1198                 return 0;
1199
1200         sscape_write(devc, 9, sscape_read(devc, 9)  & 0x3F );
1201
1202         d  = inb(devc -> codec) & 0x80;
1203         if ( d == 0) {
1204                 printk(KERN_INFO "soundscape: hardware detected\n");
1205                 valid_interrupts = valid_interrupts_new;
1206         } else  {
1207                 printk(KERN_INFO "soundscape: board looks like media fx\n");
1208                 valid_interrupts = valid_interrupts_old;
1209                 old_hardware = 1;
1210         }
1211
1212         sscape_write( devc, 9, 0xC0 | (sscape_read(devc, 9)  & 0x3F) );
1213
1214         for (i = 0; i < 550000; i++)
1215                 if ( !(inb(devc -> codec) & 0x80))
1216                         break;
1217
1218         sscape_pnp_init_hw(devc);
1219
1220         for (i = 0; i < sizeof(valid_interrupts); i++)
1221         {
1222                 if (devc->codec_irq == valid_interrupts[i]) {
1223                         irq_bits = i;
1224                         break;
1225                 }
1226         }
1227         sscape_write(devc, GA_INTENA_REG, 0x00);
1228         sscape_write(devc, GA_DMACFG_REG, 0x50);
1229         sscape_write(devc, GA_DMAA_REG, 0x70);
1230         sscape_write(devc, GA_DMAB_REG, 0x20);
1231         sscape_write(devc, GA_INTCFG_REG, 0xf0);
1232         sscape_write(devc, GA_CDCFG_REG, 0x89 | (devc->dma << 4) | (irq_bits << 1));
1233
1234         sscape_pnp_write_codec( devc, 0, sscape_pnp_read_codec( devc, 0) | 0x20);
1235         sscape_pnp_write_codec( devc, 0, sscape_pnp_read_codec( devc, 1) | 0x20);
1236
1237         return 1;
1238 }
1239
1240 static int __init probe_sscape(struct address_info *hw_config)
1241 {
1242
1243         if (sscape_detected != 0 && sscape_detected != hw_config->io_base)
1244                 return 0;
1245
1246         devc->base = hw_config->io_base;
1247         devc->irq = hw_config->irq;
1248         devc->dma = hw_config->dma;
1249         devc->osp = hw_config->osp;
1250
1251 #ifdef SSCAPE_DEBUG1
1252         /*
1253          * Temporary debugging aid. Print contents of the registers before
1254          * changing them.
1255          */
1256         {
1257                 int i;
1258
1259                 for (i = 0; i < 13; i++)
1260                         printk("I%d = %02x (old value)\n", i, sscape_read(devc, i));
1261         }
1262 #endif
1263         devc->failed = 1;
1264
1265         if (!detect_ga(devc)) {
1266                 if (detect_sscape_pnp(devc)) {
1267                         sscape_detected = hw_config->io_base;
1268                         return 1;
1269                 }
1270                 else return 0;
1271         }
1272
1273         if (old_hardware)       /* Check that it's really an old Spea/Reveal card. */
1274         {
1275                 unsigned char   tmp;
1276                 int             cc;
1277
1278                 if (!((tmp = sscape_read(devc, GA_HMCTL_REG)) & 0xc0))
1279                 {
1280                         sscape_write(devc, GA_HMCTL_REG, tmp | 0x80);
1281                         for (cc = 0; cc < 200000; ++cc)
1282                                 inb(devc->base + ODIE_ADDR);
1283                 }
1284         }
1285         sscape_detected = hw_config->io_base;
1286         return 1;
1287 }
1288
1289 static int __init probe_ss_ms_sound(struct address_info *hw_config)
1290 {
1291         int i, irq_bits = 0xff;
1292         int ad_flags = 0;
1293
1294         if (devc->failed)
1295         {
1296                 printk(KERN_ERR "soundscape: Card not detected\n");
1297                 return 0;
1298         }
1299         if (devc->ok == 0)
1300         {
1301                 printk(KERN_ERR "soundscape: Invalid initialization order.\n");
1302                 return 0;
1303         }
1304         for (i = 0; i < sizeof(valid_interrupts); i++)
1305         {
1306                 if (hw_config->irq == valid_interrupts[i])
1307                 {
1308                         irq_bits = i;
1309                         break;
1310                 }
1311         }
1312         if (hw_config->irq > 15 || irq_bits == 0xff)
1313         {
1314                 printk(KERN_ERR "soundscape: Invalid MSS IRQ%d\n", hw_config->irq);
1315                 return 0;
1316         }
1317
1318         if (!sscape_is_pnp) {
1319                 if (old_hardware)
1320                         ad_flags = 0x12345677;  /* Tell that we may have a CS4248 chip (Spea-V7 Media FX) */
1321                 return ad1848_detect(hw_config->io_base, &ad_flags, hw_config->osp);
1322         }
1323         else {
1324                 if (old_hardware)
1325                         ad_flags = 0x12345677;  /* Tell that we may have a CS4248 chip (Spea-V7 Media FX) */
1326                 else
1327                         ad_flags = 0x87654321;  /* Tell that we have a soundscape pnp with 1845 chip */
1328                 return ad1848_detect(hw_config->io_base, &ad_flags, hw_config->osp);
1329         }
1330 }
1331
1332 static void __init attach_ss_ms_sound(struct address_info *hw_config)
1333 {
1334         /*
1335          * This routine configures the SoundScape card for use with the
1336          * Win Sound System driver. The AD1848 codec interface uses the CD-ROM
1337          * config registers of the "ODIE".
1338          */
1339
1340         int i, irq_bits = 0xff;
1341
1342
1343         if (!sscape_is_pnp)  /*pnp is already setup*/
1344         {
1345                 /*
1346                  * Setup the DMA polarity.
1347                  */
1348                 sscape_write(devc, GA_DMACFG_REG, 0x50);
1349
1350                 /*
1351                  * Take the gate-array off of the DMA channel.
1352                  */
1353                 sscape_write(devc, GA_DMAB_REG, 0x20);
1354
1355                 /*
1356                  * Init the AD1848 (CD-ROM) config reg.
1357                  */
1358                 for (i = 0; i < sizeof(valid_interrupts); i++)
1359                 {
1360                         if (hw_config->irq == valid_interrupts[i])
1361                         {
1362                                 irq_bits = i;
1363                                 break;
1364                         }
1365                 }
1366                 sscape_write(devc, GA_CDCFG_REG, 0x89 | (hw_config->dma << 4) | (irq_bits << 1));
1367         }
1368
1369         if (hw_config->irq == devc->irq)
1370                 printk(KERN_WARNING "soundscape: Warning! The WSS mode can't share IRQ with MIDI\n");
1371
1372         hw_config->slots[0] = ad1848_init(
1373                         sscape_is_pnp ? "SoundScape" : "SoundScape PNP",
1374                         hw_config->io_base,
1375                         hw_config->irq,
1376                         hw_config->dma,
1377                         hw_config->dma,
1378                         0,
1379                         devc->osp,
1380                         THIS_MODULE);
1381
1382
1383         if (hw_config->slots[0] != -1)  /* The AD1848 driver installed itself */
1384         {
1385                 audio_devs[hw_config->slots[0]]->coproc = &sscape_coproc_operations;
1386                 devc->codec_audiodev = hw_config->slots[0];
1387                 devc->my_audiodev = hw_config->slots[0];
1388
1389                 /* Set proper routings here (what are they) */
1390                 AD1848_REROUTE(SOUND_MIXER_LINE1, SOUND_MIXER_LINE);
1391         }
1392
1393 #ifdef SSCAPE_DEBUG5
1394         /*
1395          * Temporary debugging aid. Print contents of the registers
1396          * after the AD1848 device has been initialized.
1397          */
1398         {
1399                 int i;
1400
1401                 for (i = 0; i < 13; i++)
1402                         printk("I%d = %02x\n", i, sscape_read(devc, i));
1403         }
1404 #endif
1405
1406 }
1407
1408 static void __exit unload_sscape(struct address_info *hw_config)
1409 {
1410         release_region(devc->base + 2, 6);
1411         unload_mpu401(hw_config);
1412 }
1413
1414 static void __exit unload_ss_ms_sound(struct address_info *hw_config)
1415 {
1416         ad1848_unload(hw_config->io_base,
1417                       hw_config->irq,
1418                       devc->dma,
1419                       devc->dma,
1420                       0);
1421         sound_unload_audiodev(hw_config->slots[0]);
1422 }
1423
1424 static struct address_info cfg;
1425 static struct address_info cfg_mpu;
1426
1427 static int __initdata spea = -1;
1428 static int __initdata mss = 0;
1429 static int __initdata dma = -1;
1430 static int __initdata irq = -1;
1431 static int __initdata io = -1;
1432 static int __initdata mpu_irq = -1;
1433 static int __initdata mpu_io = -1;
1434
1435 MODULE_PARM(dma, "i");
1436 MODULE_PARM(irq, "i");
1437 MODULE_PARM(io, "i");
1438 MODULE_PARM(spea, "i");         /* spea=0/1 set the old_hardware */
1439 MODULE_PARM(mpu_irq, "i");
1440 MODULE_PARM(mpu_io, "i");
1441 MODULE_PARM(mss, "i");
1442
1443 static int __init init_sscape(void)
1444 {
1445         printk(KERN_INFO "Soundscape driver Copyright (C) by Hannu Savolainen 1993-1996\n");
1446
1447         cfg.irq = irq;
1448         cfg.dma = dma;
1449         cfg.io_base = io;
1450
1451         cfg_mpu.irq = mpu_irq;
1452         cfg_mpu.io_base = mpu_io;
1453         /* WEH - Try to get right dma channel */
1454         cfg_mpu.dma = dma;
1455
1456         devc->codec = cfg.io_base;
1457         devc->codec_irq = cfg.irq;
1458         devc->codec_type = 0;
1459         devc->ic_type = 0;
1460         devc->raw_buf = NULL;
1461         spin_lock_init(&devc->lock);
1462
1463         if (cfg.dma == -1 || cfg.irq == -1 || cfg.io_base == -1) {
1464                 printk(KERN_ERR "DMA, IRQ, and IO port must be specified.\n");
1465                 return -EINVAL;
1466         }
1467
1468         if (cfg_mpu.irq == -1 && cfg_mpu.io_base != -1) {
1469                 printk(KERN_ERR "MPU_IRQ must be specified if MPU_IO is set.\n");
1470                 return -EINVAL;
1471         }
1472
1473         if(spea != -1) {
1474                 old_hardware = spea;
1475                 printk(KERN_INFO "Forcing %s hardware support.\n",
1476                         spea?"new":"old");
1477         }
1478         if (probe_sscape(&cfg_mpu) == 0)
1479                 return -ENODEV;
1480
1481         attach_sscape(&cfg_mpu);
1482
1483         mss = probe_ss_ms_sound(&cfg);
1484
1485         if (mss)
1486                 attach_ss_ms_sound(&cfg);
1487
1488         return 0;
1489 }
1490
1491 static void __exit cleanup_sscape(void)
1492 {
1493         if (mss)
1494                 unload_ss_ms_sound(&cfg);
1495         unload_sscape(&cfg_mpu);
1496 }
1497
1498 module_init(init_sscape);
1499 module_exit(cleanup_sscape);
1500
1501 #ifndef MODULE
1502 static int __init setup_sscape(char *str)
1503 {
1504         /* io, irq, dma, mpu_io, mpu_irq */
1505         int ints[6];
1506
1507         str = get_options(str, ARRAY_SIZE(ints), ints);
1508
1509         io      = ints[1];
1510         irq     = ints[2];
1511         dma     = ints[3];
1512         mpu_io  = ints[4];
1513         mpu_irq = ints[5];
1514
1515         return 1;
1516 }
1517
1518 __setup("sscape=", setup_sscape);
1519 #endif
1520 MODULE_LICENSE("GPL");