sound: Use PCI_VDEVICE
[linux-2.6.git] / sound / oss / sscape.c
1 /*
2  * sound/oss/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/mm.h>
43 #include <linux/spinlock.h>
44
45 #include "coproc.h"
46
47 #include "ad1848.h"
48 #include "mpu401.h"
49
50 /*
51  *    I/O ports
52  */
53 #define MIDI_DATA       0
54 #define MIDI_CTRL       1
55 #define HOST_CTRL       2
56 #define TX_READY        0x02
57 #define RX_READY        0x01
58 #define HOST_DATA       3
59 #define ODIE_ADDR       4
60 #define ODIE_DATA       5
61
62 /*
63  *    Indirect registers
64  */
65
66 #define GA_INTSTAT_REG  0
67 #define GA_INTENA_REG   1
68 #define GA_DMAA_REG     2
69 #define GA_DMAB_REG     3
70 #define GA_INTCFG_REG   4
71 #define GA_DMACFG_REG   5
72 #define GA_CDCFG_REG    6
73 #define GA_SMCFGA_REG   7
74 #define GA_SMCFGB_REG   8
75 #define GA_HMCTL_REG    9
76
77 /*
78  * DMA channel identifiers (A and B)
79  */
80
81 #define SSCAPE_DMA_A    0
82 #define SSCAPE_DMA_B    1
83
84 #define PORT(name)      (devc->base+name)
85
86 /*
87  * Host commands recognized by the OBP microcode
88  */
89  
90 #define CMD_GEN_HOST_ACK        0x80
91 #define CMD_GEN_MPU_ACK         0x81
92 #define CMD_GET_BOARD_TYPE      0x82
93 #define CMD_SET_CONTROL         0x88    /* Old firmware only */
94 #define CMD_GET_CONTROL         0x89    /* Old firmware only */
95 #define CTL_MASTER_VOL          0
96 #define CTL_MIC_MODE            2
97 #define CTL_SYNTH_VOL           4
98 #define CTL_WAVE_VOL            7
99 #define CMD_SET_EXTMIDI         0x8a
100 #define CMD_GET_EXTMIDI         0x8b
101 #define CMD_SET_MT32            0x8c
102 #define CMD_GET_MT32            0x8d
103
104 #define CMD_ACK                 0x80
105
106 #define IC_ODIE                 1
107 #define IC_OPUS                 2
108
109 typedef struct sscape_info
110 {
111         int     base, irq, dma;
112         
113         int     codec, codec_irq;       /* required to setup pnp cards*/
114         int     codec_type;
115         int     ic_type;
116         char*   raw_buf;
117         unsigned long   raw_buf_phys;
118         int     buffsize;               /* -------------------------- */
119         spinlock_t lock;
120         int     ok;     /* Properly detected */
121         int     failed;
122         int     dma_allocated;
123         int     codec_audiodev;
124         int     opened;
125         int     *osp;
126         int     my_audiodev;
127 } sscape_info;
128
129 static struct sscape_info adev_info = {
130         0
131 };
132
133 static struct sscape_info *devc = &adev_info;
134 static int sscape_mididev = -1;
135
136 /* Some older cards have assigned interrupt bits differently than new ones */
137 static char valid_interrupts_old[] = {
138         9, 7, 5, 15
139 };
140
141 static char valid_interrupts_new[] = {
142         9, 5, 7, 10
143 };
144
145 static char *valid_interrupts = valid_interrupts_new;
146
147 /*
148  *      See the bottom of the driver. This can be set by spea =0/1.
149  */
150  
151 #ifdef REVEAL_SPEA
152 static char old_hardware = 1;
153 #else
154 static char old_hardware;
155 #endif
156
157 static void sleep(unsigned howlong)
158 {
159         current->state = TASK_INTERRUPTIBLE;
160         schedule_timeout(howlong);
161 }
162
163 static unsigned char sscape_read(struct sscape_info *devc, int reg)
164 {
165         unsigned long flags;
166         unsigned char val;
167
168         spin_lock_irqsave(&devc->lock,flags);
169         outb(reg, PORT(ODIE_ADDR));
170         val = inb(PORT(ODIE_DATA));
171         spin_unlock_irqrestore(&devc->lock,flags);
172         return val;
173 }
174
175 static void __sscape_write(int reg, int data)
176 {
177         outb(reg, PORT(ODIE_ADDR));
178         outb(data, PORT(ODIE_DATA));
179 }
180
181 static void sscape_write(struct sscape_info *devc, int reg, int data)
182 {
183         unsigned long flags;
184
185         spin_lock_irqsave(&devc->lock,flags);
186         __sscape_write(reg, data);
187         spin_unlock_irqrestore(&devc->lock,flags);
188 }
189
190 static unsigned char sscape_pnp_read_codec(sscape_info* devc, unsigned char reg)
191 {
192         unsigned char res;
193         unsigned long flags;
194
195         spin_lock_irqsave(&devc->lock,flags);
196         outb( reg, devc -> codec);
197         res = inb (devc -> codec + 1);
198         spin_unlock_irqrestore(&devc->lock,flags);
199         return res;
200
201 }
202
203 static void sscape_pnp_write_codec(sscape_info* devc, unsigned char reg, unsigned char data)
204 {
205         unsigned long flags;
206         
207         spin_lock_irqsave(&devc->lock,flags);
208         outb( reg, devc -> codec);
209         outb( data, devc -> codec + 1);
210         spin_unlock_irqrestore(&devc->lock,flags);
211 }
212
213 static void host_open(struct sscape_info *devc)
214 {
215         outb((0x00), PORT(HOST_CTRL));  /* Put the board to the host mode */
216 }
217
218 static void host_close(struct sscape_info *devc)
219 {
220         outb((0x03), PORT(HOST_CTRL));  /* Put the board to the MIDI mode */
221 }
222
223 static int host_write(struct sscape_info *devc, unsigned char *data, int count)
224 {
225         unsigned long flags;
226         int i, timeout_val;
227
228         spin_lock_irqsave(&devc->lock,flags);
229         /*
230          * Send the command and data bytes
231          */
232
233         for (i = 0; i < count; i++)
234         {
235                 for (timeout_val = 10000; timeout_val > 0; timeout_val--)
236                         if (inb(PORT(HOST_CTRL)) & TX_READY)
237                                 break;
238
239                 if (timeout_val <= 0)
240                 {
241                                 spin_unlock_irqrestore(&devc->lock,flags);
242                             return 0;
243                 }
244                 outb(data[i], PORT(HOST_DATA));
245         }
246         spin_unlock_irqrestore(&devc->lock,flags);
247         return 1;
248 }
249
250 static int host_read(struct sscape_info *devc)
251 {
252         unsigned long flags;
253         int timeout_val;
254         unsigned char data;
255
256         spin_lock_irqsave(&devc->lock,flags);
257         /*
258          * Read a byte
259          */
260
261         for (timeout_val = 10000; timeout_val > 0; timeout_val--)
262                 if (inb(PORT(HOST_CTRL)) & RX_READY)
263                         break;
264
265         if (timeout_val <= 0)
266         {
267                 spin_unlock_irqrestore(&devc->lock,flags);
268                 return -1;
269         }
270         data = inb(PORT(HOST_DATA));
271         spin_unlock_irqrestore(&devc->lock,flags);
272         return data;
273 }
274
275 #if 0 /* unused */
276 static int host_command1(struct sscape_info *devc, int cmd)
277 {
278         unsigned char buf[10];
279         buf[0] = (unsigned char) (cmd & 0xff);
280         return host_write(devc, buf, 1);
281 }
282 #endif /* unused */
283
284
285 static int host_command2(struct sscape_info *devc, int cmd, int parm1)
286 {
287         unsigned char buf[10];
288
289         buf[0] = (unsigned char) (cmd & 0xff);
290         buf[1] = (unsigned char) (parm1 & 0xff);
291
292         return host_write(devc, buf, 2);
293 }
294
295 static int host_command3(struct sscape_info *devc, int cmd, int parm1, int parm2)
296 {
297         unsigned char buf[10];
298
299         buf[0] = (unsigned char) (cmd & 0xff);
300         buf[1] = (unsigned char) (parm1 & 0xff);
301         buf[2] = (unsigned char) (parm2 & 0xff);
302         return host_write(devc, buf, 3);
303 }
304
305 static void set_mt32(struct sscape_info *devc, int value)
306 {
307         host_open(devc);
308         host_command2(devc, CMD_SET_MT32, value ? 1 : 0);
309         if (host_read(devc) != CMD_ACK)
310         {
311                 /* printk( "SNDSCAPE: Setting MT32 mode failed\n"); */
312         }
313         host_close(devc);
314 }
315
316 static void set_control(struct sscape_info *devc, int ctrl, int value)
317 {
318         host_open(devc);
319         host_command3(devc, CMD_SET_CONTROL, ctrl, value);
320         if (host_read(devc) != CMD_ACK)
321         {
322                 /* printk( "SNDSCAPE: Setting control (%d) failed\n",  ctrl); */
323         }
324         host_close(devc);
325 }
326
327 static void do_dma(struct sscape_info *devc, int dma_chan, unsigned long buf, int blk_size, int mode)
328 {
329         unsigned char temp;
330
331         if (dma_chan != SSCAPE_DMA_A)
332         {
333                 printk(KERN_WARNING "soundscape: Tried to use DMA channel  != A. Why?\n");
334                 return;
335         }
336         audio_devs[devc->codec_audiodev]->flags &= ~DMA_AUTOMODE;
337         DMAbuf_start_dma(devc->codec_audiodev, buf, blk_size, mode);
338         audio_devs[devc->codec_audiodev]->flags |= DMA_AUTOMODE;
339
340         temp = devc->dma << 4;  /* Setup DMA channel select bits */
341         if (devc->dma <= 3)
342                 temp |= 0x80;   /* 8 bit DMA channel */
343
344         temp |= 1;              /* Trigger DMA */
345         sscape_write(devc, GA_DMAA_REG, temp);
346         temp &= 0xfe;           /* Clear DMA trigger */
347         sscape_write(devc, GA_DMAA_REG, temp);
348 }
349
350 static int verify_mpu(struct sscape_info *devc)
351 {
352         /*
353          * The SoundScape board could be in three modes (MPU, 8250 and host).
354          * If the card is not in the MPU mode, enabling the MPU driver will
355          * cause infinite loop (the driver believes that there is always some
356          * received data in the buffer.
357          *
358          * Detect this by looking if there are more than 10 received MIDI bytes
359          * (0x00) in the buffer.
360          */
361
362         int i;
363
364         for (i = 0; i < 10; i++)
365         {
366                 if (inb(devc->base + HOST_CTRL) & 0x80)
367                         return 1;
368
369                 if (inb(devc->base) != 0x00)
370                         return 1;
371         }
372         printk(KERN_WARNING "SoundScape: The device is not in the MPU-401 mode\n");
373         return 0;
374 }
375
376 static int sscape_coproc_open(void *dev_info, int sub_device)
377 {
378         if (sub_device == COPR_MIDI)
379         {
380                 set_mt32(devc, 0);
381                 if (!verify_mpu(devc))
382                         return -EIO;
383         }
384         return 0;
385 }
386
387 static void sscape_coproc_close(void *dev_info, int sub_device)
388 {
389         struct sscape_info *devc = dev_info;
390         unsigned long   flags;
391
392         spin_lock_irqsave(&devc->lock,flags);
393         if (devc->dma_allocated)
394         {
395                 __sscape_write(GA_DMAA_REG, 0x20);      /* DMA channel disabled */
396                 devc->dma_allocated = 0;
397         }
398         spin_unlock_irqrestore(&devc->lock,flags);
399         return;
400 }
401
402 static void sscape_coproc_reset(void *dev_info)
403 {
404 }
405
406 static int sscape_download_boot(struct sscape_info *devc, unsigned char *block, int size, int flag)
407 {
408         unsigned long flags;
409         unsigned char temp;
410         volatile int done, timeout_val;
411         static unsigned char codec_dma_bits;
412
413         if (flag & CPF_FIRST)
414         {
415                 /*
416                  * First block. Have to allocate DMA and to reset the board
417                  * before continuing.
418                  */
419
420                 spin_lock_irqsave(&devc->lock,flags);
421                 codec_dma_bits = sscape_read(devc, GA_CDCFG_REG);
422
423                 if (devc->dma_allocated == 0)
424                         devc->dma_allocated = 1;
425
426                 spin_unlock_irqrestore(&devc->lock,flags);
427
428                 sscape_write(devc, GA_HMCTL_REG, 
429                         (temp = sscape_read(devc, GA_HMCTL_REG)) & 0x3f);       /*Reset */
430
431                 for (timeout_val = 10000; timeout_val > 0; timeout_val--)
432                         sscape_read(devc, GA_HMCTL_REG);        /* Delay */
433
434                 /* Take board out of reset */
435                 sscape_write(devc, GA_HMCTL_REG,
436                         (temp = sscape_read(devc, GA_HMCTL_REG)) | 0x80);
437         }
438         /*
439          * Transfer one code block using DMA
440          */
441         if (audio_devs[devc->codec_audiodev]->dmap_out->raw_buf == NULL)
442         {
443                 printk(KERN_WARNING "soundscape: DMA buffer not available\n");
444                 return 0;
445         }
446         memcpy(audio_devs[devc->codec_audiodev]->dmap_out->raw_buf, block, size);
447
448         spin_lock_irqsave(&devc->lock,flags);
449         
450         /******** INTERRUPTS DISABLED NOW ********/
451         
452         do_dma(devc, SSCAPE_DMA_A,
453                audio_devs[devc->codec_audiodev]->dmap_out->raw_buf_phys,
454                size, DMA_MODE_WRITE);
455
456         /*
457          * Wait until transfer completes.
458          */
459         
460         done = 0;
461         timeout_val = 30;
462         while (!done && timeout_val-- > 0)
463         {
464                 int resid;
465
466                 if (HZ / 50)
467                         sleep(HZ / 50);
468                 clear_dma_ff(devc->dma);
469                 if ((resid = get_dma_residue(devc->dma)) == 0)
470                         done = 1;
471         }
472
473         spin_unlock_irqrestore(&devc->lock,flags);
474         if (!done)
475                 return 0;
476
477         if (flag & CPF_LAST)
478         {
479                 /*
480                  * Take the board out of reset
481                  */
482                 outb((0x00), PORT(HOST_CTRL));
483                 outb((0x00), PORT(MIDI_CTRL));
484
485                 temp = sscape_read(devc, GA_HMCTL_REG);
486                 temp |= 0x40;
487                 sscape_write(devc, GA_HMCTL_REG, temp); /* Kickstart the board */
488
489                 /*
490                  * Wait until the ODB wakes up
491                  */
492                 spin_lock_irqsave(&devc->lock,flags);
493                 done = 0;
494                 timeout_val = 5 * HZ;
495                 while (!done && timeout_val-- > 0)
496                 {
497                         unsigned char x;
498                         
499                         sleep(1);
500                         x = inb(PORT(HOST_DATA));
501                         if (x == 0xff || x == 0xfe)             /* OBP startup acknowledge */
502                         {
503                                 DDB(printk("Soundscape: Acknowledge = %x\n", x));
504                                 done = 1;
505                         }
506                 }
507                 sscape_write(devc, GA_CDCFG_REG, codec_dma_bits);
508
509                 spin_unlock_irqrestore(&devc->lock,flags);
510                 if (!done)
511                 {
512                         printk(KERN_ERR "soundscape: The OBP didn't respond after code download\n");
513                         return 0;
514                 }
515                 spin_lock_irqsave(&devc->lock,flags);
516                 done = 0;
517                 timeout_val = 5 * HZ;
518                 while (!done && timeout_val-- > 0)
519                 {
520                         sleep(1);
521                         if (inb(PORT(HOST_DATA)) == 0xfe)       /* Host startup acknowledge */
522                                 done = 1;
523                 }
524                 spin_unlock_irqrestore(&devc->lock,flags);
525                 if (!done)
526                 {
527                         printk(KERN_ERR "soundscape: OBP Initialization failed.\n");
528                         return 0;
529                 }
530                 printk(KERN_INFO "SoundScape board initialized OK\n");
531                 set_control(devc, CTL_MASTER_VOL, 100);
532                 set_control(devc, CTL_SYNTH_VOL, 100);
533
534 #ifdef SSCAPE_DEBUG3
535                 /*
536                  * Temporary debugging aid. Print contents of the registers after
537                  * downloading the code.
538                  */
539                 {
540                         int i;
541
542                         for (i = 0; i < 13; i++)
543                                 printk("I%d = %02x (new value)\n", i, sscape_read(devc, i));
544                 }
545 #endif
546
547         }
548         return 1;
549 }
550
551 static int download_boot_block(void *dev_info, copr_buffer * buf)
552 {
553         if (buf->len <= 0 || buf->len > sizeof(buf->data))
554                 return -EINVAL;
555
556         if (!sscape_download_boot(devc, buf->data, buf->len, buf->flags))
557         {
558                 printk(KERN_ERR "soundscape: Unable to load microcode block to the OBP.\n");
559                 return -EIO;
560         }
561         return 0;
562 }
563
564 static int sscape_coproc_ioctl(void *dev_info, unsigned int cmd, void __user *arg, int local)
565 {
566         copr_buffer *buf;
567         int err;
568
569         switch (cmd) 
570         {
571                 case SNDCTL_COPR_RESET:
572                         sscape_coproc_reset(dev_info);
573                         return 0;
574
575                 case SNDCTL_COPR_LOAD:
576                         buf = (copr_buffer *) vmalloc(sizeof(copr_buffer));
577                         if (buf == NULL)
578                                 return -ENOSPC;
579                         if (copy_from_user(buf, arg, sizeof(copr_buffer))) 
580                         {
581                                 vfree(buf);
582                                 return -EFAULT;
583                         }
584                         err = download_boot_block(dev_info, buf);
585                         vfree(buf);
586                         return err;
587                 
588                 default:
589                         return -EINVAL;
590         }
591 }
592
593 static coproc_operations sscape_coproc_operations =
594 {
595         "SoundScape M68K",
596         THIS_MODULE,
597         sscape_coproc_open,
598         sscape_coproc_close,
599         sscape_coproc_ioctl,
600         sscape_coproc_reset,
601         &adev_info
602 };
603
604 static struct resource *sscape_ports;
605 static int sscape_is_pnp;
606
607 static void __init attach_sscape(struct address_info *hw_config)
608 {
609 #ifndef SSCAPE_REGS
610         /*
611          * Config register values for Spea/V7 Media FX and Ensoniq S-2000.
612          * These values are card
613          * dependent. If you have another SoundScape based card, you have to
614          * find the correct values. Do the following:
615          *  - Compile this driver with SSCAPE_DEBUG1 defined.
616          *  - Shut down and power off your machine.
617          *  - Boot with DOS so that the SSINIT.EXE program is run.
618          *  - Warm boot to {Linux|SYSV|BSD} and write down the lines displayed
619          *    when detecting the SoundScape.
620          *  - Modify the following list to use the values printed during boot.
621          *    Undefine the SSCAPE_DEBUG1
622          */
623 #define SSCAPE_REGS { \
624 /* I0 */        0x00, \
625 /* I1 */        0xf0, /* Note! Ignored. Set always to 0xf0 */ \
626 /* I2 */        0x20, /* Note! Ignored. Set always to 0x20 */ \
627 /* I3 */        0x20, /* Note! Ignored. Set always to 0x20 */ \
628 /* I4 */        0xf5, /* Ignored */ \
629 /* I5 */        0x10, \
630 /* I6 */        0x00, \
631 /* I7 */        0x2e, /* I7 MEM config A. Likely to vary between models */ \
632 /* I8 */        0x00, /* I8 MEM config B. Likely to vary between models */ \
633 /* I9 */        0x40 /* Ignored */ \
634         }
635 #endif
636
637         unsigned long   flags;
638         static unsigned char regs[10] = SSCAPE_REGS;
639
640         int i, irq_bits = 0xff;
641
642         if (old_hardware)
643         {
644                 valid_interrupts = valid_interrupts_old;
645                 conf_printf("Ensoniq SoundScape (old)", hw_config);
646         }
647         else
648                 conf_printf("Ensoniq SoundScape", hw_config);
649
650         for (i = 0; i < 4; i++)
651         {
652                 if (hw_config->irq == valid_interrupts[i])
653                 {
654                         irq_bits = i;
655                         break;
656                 }
657         }
658         if (hw_config->irq > 15 || (regs[4] = irq_bits == 0xff))
659         {
660                 printk(KERN_ERR "Invalid IRQ%d\n", hw_config->irq);
661                 release_region(devc->base, 2);
662                 release_region(devc->base + 2, 6);
663                 if (sscape_is_pnp)
664                         release_region(devc->codec, 2);
665                 return;
666         }
667         
668         if (!sscape_is_pnp) {
669         
670                 spin_lock_irqsave(&devc->lock,flags);
671                 /* Host interrupt enable */
672                 sscape_write(devc, 1, 0xf0);    /* All interrupts enabled */
673                 /* DMA A status/trigger register */
674                 sscape_write(devc, 2, 0x20);    /* DMA channel disabled */
675                 /* DMA B status/trigger register */
676                 sscape_write(devc, 3, 0x20);    /* DMA channel disabled */
677                 /* Host interrupt config reg */
678                 sscape_write(devc, 4, 0xf0 | (irq_bits << 2) | irq_bits);
679                 /* Don't destroy CD-ROM DMA config bits (0xc0) */
680                 sscape_write(devc, 5, (regs[5] & 0x3f) | (sscape_read(devc, 5) & 0xc0));
681                 /* CD-ROM config (WSS codec actually) */
682                 sscape_write(devc, 6, regs[6]);
683                 sscape_write(devc, 7, regs[7]);
684                 sscape_write(devc, 8, regs[8]);
685                 /* Master control reg. Don't modify CR-ROM bits. Disable SB emul */
686                 sscape_write(devc, 9, (sscape_read(devc, 9) & 0xf0) | 0x08);
687                 spin_unlock_irqrestore(&devc->lock,flags);
688         }
689 #ifdef SSCAPE_DEBUG2
690         /*
691          * Temporary debugging aid. Print contents of the registers after
692          * changing them.
693          */
694         {
695                 int i;
696
697                 for (i = 0; i < 13; i++)
698                         printk("I%d = %02x (new value)\n", i, sscape_read(devc, i));
699         }
700 #endif
701
702         if (probe_mpu401(hw_config, sscape_ports))
703                 hw_config->always_detect = 1;
704         hw_config->name = "SoundScape";
705
706         hw_config->irq *= -1;   /* Negative value signals IRQ sharing */
707         attach_mpu401(hw_config, THIS_MODULE);
708         hw_config->irq *= -1;   /* Restore it */
709
710         if (hw_config->slots[1] != -1)  /* The MPU driver installed itself */
711         {
712                 sscape_mididev = hw_config->slots[1];
713                 midi_devs[hw_config->slots[1]]->coproc = &sscape_coproc_operations;
714         }
715         sscape_write(devc, GA_INTENA_REG, 0x80);        /* Master IRQ enable */
716         devc->ok = 1;
717         devc->failed = 0;
718 }
719
720 static int detect_ga(sscape_info * devc)
721 {
722         unsigned char save;
723
724         DDB(printk("Entered Soundscape detect_ga(%x)\n", devc->base));
725
726         /*
727          * First check that the address register of "ODIE" is
728          * there and that it has exactly 4 writable bits.
729          * First 4 bits
730          */
731         
732         if ((save = inb(PORT(ODIE_ADDR))) & 0xf0)
733         {
734                 DDB(printk("soundscape: Detect error A\n"));
735                 return 0;
736         }
737         outb((0x00), PORT(ODIE_ADDR));
738         if (inb(PORT(ODIE_ADDR)) != 0x00)
739         {
740                 DDB(printk("soundscape: Detect error B\n"));
741                 return 0;
742         }
743         outb((0xff), PORT(ODIE_ADDR));
744         if (inb(PORT(ODIE_ADDR)) != 0x0f)
745         {
746                 DDB(printk("soundscape: Detect error C\n"));
747                 return 0;
748         }
749         outb((save), PORT(ODIE_ADDR));
750
751         /*
752          * Now verify that some indirect registers return zero on some bits.
753          * This may break the driver with some future revisions of "ODIE" but...
754          */
755
756         if (sscape_read(devc, 0) & 0x0c)
757         {
758                 DDB(printk("soundscape: Detect error D (%x)\n", sscape_read(devc, 0)));
759                 return 0;
760         }
761         if (sscape_read(devc, 1) & 0x0f)
762         {
763                 DDB(printk("soundscape: Detect error E\n"));
764                 return 0;
765         }
766         if (sscape_read(devc, 5) & 0x0f)
767         {
768                 DDB(printk("soundscape: Detect error F\n"));
769                 return 0;
770         }
771         return 1;
772 }
773
774 static  int sscape_read_host_ctrl(sscape_info* devc)
775 {
776         return host_read(devc);
777 }
778
779 static  void sscape_write_host_ctrl2(sscape_info *devc, int a, int b)
780 {
781         host_command2(devc, a, b);
782 }
783
784 static int sscape_alloc_dma(sscape_info *devc)
785 {
786         char *start_addr, *end_addr;
787         int dma_pagesize;
788         int sz, size;
789         struct page *page;
790
791         if (devc->raw_buf != NULL) return 0;    /* Already done */
792         dma_pagesize = (devc->dma < 4) ? (64 * 1024) : (128 * 1024);
793         devc->raw_buf = NULL;
794         devc->buffsize = 8192*4;
795         if (devc->buffsize > dma_pagesize) devc->buffsize = dma_pagesize;
796         start_addr = NULL;
797         /*
798          * Now loop until we get a free buffer. Try to get smaller buffer if
799          * it fails. Don't accept smaller than 8k buffer for performance
800          * reasons.
801          */
802         while (start_addr == NULL && devc->buffsize > PAGE_SIZE) {
803                 for (sz = 0, size = PAGE_SIZE; size < devc->buffsize; sz++, size <<= 1);
804                 devc->buffsize = PAGE_SIZE * (1 << sz);
805                 start_addr = (char *) __get_free_pages(GFP_ATOMIC|GFP_DMA, sz);
806                 if (start_addr == NULL) devc->buffsize /= 2;
807         }
808
809         if (start_addr == NULL) {
810                 printk(KERN_ERR "sscape pnp init error: Couldn't allocate DMA buffer\n");
811                 return 0;
812         } else {
813                 /* make some checks */
814                 end_addr = start_addr + devc->buffsize - 1;             
815                 /* now check if it fits into the same dma-pagesize */
816
817                 if (((long) start_addr & ~(dma_pagesize - 1)) != ((long) end_addr & ~(dma_pagesize - 1))
818                     || end_addr >= (char *) (MAX_DMA_ADDRESS)) {
819                         printk(KERN_ERR "sscape pnp: Got invalid address 0x%lx for %db DMA-buffer\n", (long) start_addr, devc->buffsize);
820                         return 0;
821                 }
822         }
823         devc->raw_buf = start_addr;
824         devc->raw_buf_phys = virt_to_bus(start_addr);
825
826         for (page = virt_to_page(start_addr); page <= virt_to_page(end_addr); page++)
827                 SetPageReserved(page);
828         return 1;
829 }
830
831 static void sscape_free_dma(sscape_info *devc)
832 {
833         int sz, size;
834         unsigned long start_addr, end_addr;
835         struct page *page;
836
837         if (devc->raw_buf == NULL) return;
838         for (sz = 0, size = PAGE_SIZE; size < devc->buffsize; sz++, size <<= 1);
839         start_addr = (unsigned long) devc->raw_buf;
840         end_addr = start_addr + devc->buffsize;
841
842         for (page = virt_to_page(start_addr); page <= virt_to_page(end_addr); page++)
843                 ClearPageReserved(page);
844
845         free_pages((unsigned long) devc->raw_buf, sz);
846         devc->raw_buf = NULL;
847 }
848
849 /* Intel version !!!!!!!!! */
850
851 static int sscape_start_dma(int chan, unsigned long physaddr, int count, int dma_mode)
852 {
853         unsigned long flags;
854
855         flags = claim_dma_lock();
856         disable_dma(chan);
857         clear_dma_ff(chan);
858         set_dma_mode(chan, dma_mode);
859         set_dma_addr(chan, physaddr);
860         set_dma_count(chan, count);
861         enable_dma(chan);
862         release_dma_lock(flags);
863         return 0;
864 }
865
866 static void sscape_pnp_start_dma(sscape_info* devc, int arg )
867 {
868         int reg;
869         if (arg == 0) reg = 2;
870         else reg = 3;
871
872         sscape_write(devc, reg, sscape_read( devc, reg) | 0x01);
873         sscape_write(devc, reg, sscape_read( devc, reg) & 0xFE);
874 }
875
876 static int sscape_pnp_wait_dma (sscape_info* devc, int arg )
877 {
878         int             reg;
879         unsigned long   i;
880         unsigned char   d;
881
882         if (arg == 0) reg = 2;
883         else reg = 3;
884
885         sleep ( 1 );
886         i = 0;
887         do {
888                 d = sscape_read(devc, reg) & 1;
889                 if ( d == 1)  break;
890                 i++;
891         } while (i < 500000);
892         d = sscape_read(devc, reg) & 1; 
893         return d;
894 }
895
896 static  int     sscape_pnp_alloc_dma(sscape_info* devc)
897 {
898         /* printk(KERN_INFO "sscape: requesting dma\n"); */
899         if (request_dma(devc -> dma, "sscape")) return 0;
900         /* printk(KERN_INFO "sscape: dma channel allocated\n"); */
901         if (!sscape_alloc_dma(devc)) {
902                 free_dma(devc -> dma);
903                 return 0;
904         };
905         return 1;
906 }
907
908 static  void    sscape_pnp_free_dma(sscape_info* devc)
909 {
910         sscape_free_dma( devc);
911         free_dma(devc -> dma ); 
912         /* printk(KERN_INFO "sscape: dma released\n"); */
913 }
914
915 static  int     sscape_pnp_upload_file(sscape_info* devc, char* fn)
916 {       
917         int             done = 0;
918         int             timeout_val;
919         char*           data,*dt;
920         int             len,l;
921         unsigned long   flags;
922
923         sscape_write( devc, 9, sscape_read(devc, 9 )  & 0x3F );
924         sscape_write( devc, 2, (devc -> dma << 4) | 0x80 );
925         sscape_write( devc, 3, 0x20 );
926         sscape_write( devc, 9, sscape_read( devc, 9 )  | 0x80 );
927         
928         len = mod_firmware_load(fn, &data);
929         if (len == 0) {
930                     printk(KERN_ERR "sscape: file not found: %s\n", fn);
931                     return 0;
932         }
933         dt = data;
934         spin_lock_irqsave(&devc->lock,flags);
935         while ( len > 0 ) {
936                 if (len > devc -> buffsize) l = devc->buffsize;
937                 else l = len;
938                 len -= l;               
939                 memcpy(devc->raw_buf, dt, l); dt += l;
940                 sscape_start_dma(devc->dma, devc->raw_buf_phys, l, 0x48);
941                 sscape_pnp_start_dma ( devc, 0 );
942                 if (sscape_pnp_wait_dma ( devc, 0 ) == 0) {
943                         spin_unlock_irqrestore(&devc->lock,flags);
944                         return 0;
945                 }
946         }
947         
948         spin_unlock_irqrestore(&devc->lock,flags);
949         vfree(data);
950         
951         outb(0, devc -> base + 2);
952         outb(0, devc -> base);
953
954         sscape_write ( devc, 9, sscape_read( devc, 9 ) | 0x40);
955
956         timeout_val = 5 * HZ; 
957         while (!done && timeout_val-- > 0)
958         {
959                 unsigned char x;
960                 sleep(1);
961                 x = inb( devc -> base + 3);
962                 if (x == 0xff || x == 0xfe)             /* OBP startup acknowledge */
963                 {
964                         //printk(KERN_ERR "Soundscape: Acknowledge = %x\n", x);
965                         done = 1;
966                 }
967         }
968         timeout_val = 5 * HZ;
969         done = 0;
970         while (!done && timeout_val-- > 0)
971         {
972                 unsigned char x;
973                 sleep(1);
974                 x = inb( devc -> base + 3);
975                 if (x == 0xfe)          /* OBP startup acknowledge */
976                 {
977                         //printk(KERN_ERR "Soundscape: Acknowledge = %x\n", x);
978                         done = 1;
979                 }
980         }
981
982         if ( !done ) printk(KERN_ERR "soundscape: OBP Initialization failed.\n");
983
984         sscape_write( devc, 2, devc->ic_type == IC_ODIE ? 0x70 : 0x40);
985         sscape_write( devc, 3, (devc -> dma << 4) + 0x80);
986         return 1;
987 }
988
989 static void __init sscape_pnp_init_hw(sscape_info* devc)
990 {       
991         unsigned char midi_irq = 0, sb_irq = 0;
992         unsigned i;
993         static  char code_file_name[23] = "/sndscape/sndscape.cox";
994         
995         int sscape_joystic_enable       = 0x7f;
996         int sscape_mic_enable           = 0;
997         int sscape_ext_midi             = 0;            
998
999         if ( !sscape_pnp_alloc_dma(devc) ) {
1000                 printk(KERN_ERR "sscape: faild to allocate dma\n");
1001                 return;
1002         }
1003
1004         for (i = 0; i < 4; i++) {
1005                 if ( devc -> irq   == valid_interrupts[i] ) 
1006                         midi_irq = i;
1007                 if ( devc -> codec_irq == valid_interrupts[i] ) 
1008                         sb_irq = i;
1009         }
1010
1011         sscape_write( devc, 5, 0x50);
1012         sscape_write( devc, 7, 0x2e);
1013         sscape_write( devc, 8, 0x00);
1014
1015         sscape_write( devc, 2, devc->ic_type == IC_ODIE ? 0x70 : 0x40);
1016         sscape_write( devc, 3, ( devc -> dma << 4) | 0x80);
1017
1018         sscape_write (devc, 4, 0xF0 | (midi_irq<<2) | midi_irq);
1019
1020         i = 0x10; //sscape_read(devc, 9) & (devc->ic_type == IC_ODIE ? 0xf0 : 0xc0);
1021         if (sscape_joystic_enable) i |= 8;
1022         
1023         sscape_write (devc, 9, i);
1024         sscape_write (devc, 6, 0x80);
1025         sscape_write (devc, 1, 0x80);
1026
1027         if (devc -> codec_type == 2) {
1028                 sscape_pnp_write_codec( devc, 0x0C, 0x50);
1029                 sscape_pnp_write_codec( devc, 0x10, sscape_pnp_read_codec( devc, 0x10) & 0x3F);
1030                 sscape_pnp_write_codec( devc, 0x11, sscape_pnp_read_codec( devc, 0x11) | 0xC0);
1031                 sscape_pnp_write_codec( devc, 29, 0x20);
1032         }
1033
1034         if (sscape_pnp_upload_file(devc, "/sndscape/scope.cod") == 0 ) {
1035                 printk(KERN_ERR "sscape: faild to upload file /sndscape/scope.cod\n");
1036                 sscape_pnp_free_dma(devc);
1037                 return;
1038         }
1039
1040         i = sscape_read_host_ctrl( devc );
1041         
1042         if ( (i & 0x0F) >  7 ) {
1043                 printk(KERN_ERR "sscape: scope.cod faild\n");
1044                 sscape_pnp_free_dma(devc);
1045                 return;
1046         }
1047         if ( i & 0x10 ) sscape_write( devc, 7, 0x2F);
1048         code_file_name[21] = (char) ( i & 0x0F) + 0x30;
1049         if (sscape_pnp_upload_file( devc, code_file_name) == 0) {
1050                 printk(KERN_ERR "sscape: faild to upload file %s\n", code_file_name);
1051                 sscape_pnp_free_dma(devc);
1052                 return;
1053         }
1054         
1055         if (devc->ic_type != IC_ODIE) {
1056                 sscape_pnp_write_codec( devc, 10, (sscape_pnp_read_codec(devc, 10) & 0x7f) |
1057                  ( sscape_mic_enable == 0 ? 0x00 : 0x80) );
1058         }
1059         sscape_write_host_ctrl2( devc, 0x84, 0x64 );  /* MIDI volume */
1060         sscape_write_host_ctrl2( devc, 0x86, 0x64 );  /* MIDI volume?? */
1061         sscape_write_host_ctrl2( devc, 0x8A, sscape_ext_midi);
1062
1063         sscape_pnp_write_codec ( devc, 6, 0x3f ); //WAV_VOL
1064         sscape_pnp_write_codec ( devc, 7, 0x3f ); //WAV_VOL
1065         sscape_pnp_write_codec ( devc, 2, 0x1F ); //WD_CDXVOLL
1066         sscape_pnp_write_codec ( devc, 3, 0x1F ); //WD_CDXVOLR
1067
1068         if (devc -> codec_type == 1) {
1069                 sscape_pnp_write_codec ( devc, 4, 0x1F );
1070                 sscape_pnp_write_codec ( devc, 5, 0x1F );
1071                 sscape_write_host_ctrl2( devc, 0x88, sscape_mic_enable);
1072         } else {
1073                 int t;
1074                 sscape_pnp_write_codec ( devc, 0x10, 0x1F << 1);
1075                 sscape_pnp_write_codec ( devc, 0x11, 0xC0 | (0x1F << 1));
1076
1077                 t = sscape_pnp_read_codec( devc, 0x00) & 0xDF;
1078                 if ( (sscape_mic_enable == 0)) t |= 0;
1079                 else t |= 0x20;
1080                 sscape_pnp_write_codec ( devc, 0x00, t);
1081                 t = sscape_pnp_read_codec( devc, 0x01) & 0xDF;
1082                 if ( (sscape_mic_enable == 0) ) t |= 0;
1083                 else t |= 0x20;
1084                 sscape_pnp_write_codec ( devc, 0x01, t);
1085                 sscape_pnp_write_codec ( devc, 0x40 | 29 , 0x20);
1086                 outb(0, devc -> codec);
1087         }
1088         if (devc -> ic_type == IC_OPUS ) {
1089                 int i = sscape_read( devc, 9 );
1090                 sscape_write( devc, 9, i | 3 );
1091                 sscape_write( devc, 3, 0x40);
1092
1093                 if (request_region(0x228, 1, "sscape setup junk")) {
1094                         outb(0, 0x228);
1095                         release_region(0x228,1);
1096                 }
1097                 sscape_write( devc, 3, (devc -> dma << 4) | 0x80);
1098                 sscape_write( devc, 9, i );
1099         }
1100         
1101         host_close ( devc );
1102         sscape_pnp_free_dma(devc);
1103 }
1104
1105 static int __init detect_sscape_pnp(sscape_info* devc)
1106 {
1107         long     i, irq_bits = 0xff;
1108         unsigned int d;
1109
1110         DDB(printk("Entered detect_sscape_pnp(%x)\n", devc->base));
1111
1112         if (!request_region(devc->codec, 2, "sscape codec")) {
1113                 printk(KERN_ERR "detect_sscape_pnp: port %x is not free\n", devc->codec);       
1114                 return 0;
1115         }
1116
1117         if ((inb(devc->base + 2) & 0x78) != 0)
1118                 goto fail;
1119
1120         d = inb ( devc -> base + 4) & 0xF0;
1121         if (d & 0x80)
1122                 goto fail;
1123         
1124         if (d == 0) {
1125                 devc->codec_type = 1;
1126                 devc->ic_type = IC_ODIE;
1127         } else if ( (d & 0x60) != 0) {
1128                 devc->codec_type = 2;
1129                 devc->ic_type = IC_OPUS;
1130         } else if ( (d & 0x40) != 0) {  /* WTF? */
1131                 devc->codec_type = 2;
1132                 devc->ic_type = IC_ODIE;
1133         } else
1134                 goto fail;
1135         
1136         sscape_is_pnp = 1;
1137                 
1138         outb(0xFA, devc -> base+4);
1139         if  ((inb( devc -> base+4) & 0x9F) != 0x0A)
1140                 goto fail;
1141         outb(0xFE, devc -> base+4);
1142         if  ( (inb(devc -> base+4) & 0x9F) != 0x0E)
1143                 goto fail;
1144         if  ( (inb(devc -> base+5) & 0x9F) != 0x0E)
1145                 goto fail;
1146
1147         if (devc->codec_type == 2) {
1148                 if (devc->codec != devc->base + 8) {
1149                         printk("soundscape warning: incorrect codec port specified\n");
1150                         goto fail;
1151                 }
1152                 d = 0x10 | (sscape_read(devc, 9)  & 0xCF);
1153                 sscape_write(devc, 9, d);
1154                 sscape_write(devc, 6, 0x80);
1155         } else {
1156                 //todo: check codec is not base + 8
1157         }
1158
1159         d  = (sscape_read(devc, 9) & 0x3F) | 0xC0;
1160         sscape_write(devc, 9, d);
1161
1162         for (i = 0; i < 550000; i++)
1163                 if ( !(inb(devc -> codec) & 0x80) ) break;
1164
1165         d = inb(devc -> codec);
1166         if (d & 0x80)
1167                 goto fail;
1168         if ( inb(devc -> codec + 2) == 0xFF)
1169                 goto fail;
1170
1171         sscape_write(devc, 9, sscape_read(devc, 9)  & 0x3F );
1172
1173         d  = inb(devc -> codec) & 0x80;
1174         if ( d == 0) {
1175                 printk(KERN_INFO "soundscape: hardware detected\n");
1176                 valid_interrupts = valid_interrupts_new;
1177         } else  {
1178                 printk(KERN_INFO "soundscape: board looks like media fx\n");
1179                 valid_interrupts = valid_interrupts_old;
1180                 old_hardware = 1;
1181         }
1182
1183         sscape_write( devc, 9, 0xC0 | (sscape_read(devc, 9)  & 0x3F) );
1184
1185         for (i = 0; i < 550000; i++)
1186                 if ( !(inb(devc -> codec) & 0x80)) 
1187                         break;
1188                 
1189         sscape_pnp_init_hw(devc);
1190
1191         for (i = 0; i < 4; i++)
1192         {
1193                 if (devc->codec_irq == valid_interrupts[i]) {
1194                         irq_bits = i;
1195                         break;
1196                 }
1197         }       
1198         sscape_write(devc, GA_INTENA_REG, 0x00);
1199         sscape_write(devc, GA_DMACFG_REG, 0x50);
1200         sscape_write(devc, GA_DMAA_REG, 0x70);
1201         sscape_write(devc, GA_DMAB_REG, 0x20);
1202         sscape_write(devc, GA_INTCFG_REG, 0xf0);
1203         sscape_write(devc, GA_CDCFG_REG, 0x89 | (devc->dma << 4) | (irq_bits << 1));
1204
1205         sscape_pnp_write_codec( devc, 0, sscape_pnp_read_codec( devc, 0) | 0x20);
1206         sscape_pnp_write_codec( devc, 0, sscape_pnp_read_codec( devc, 1) | 0x20);
1207
1208         return 1;
1209 fail:
1210         release_region(devc->codec, 2);
1211         return 0;
1212 }
1213
1214 static int __init probe_sscape(struct address_info *hw_config)
1215 {
1216         devc->base = hw_config->io_base;
1217         devc->irq = hw_config->irq;
1218         devc->dma = hw_config->dma;
1219         devc->osp = hw_config->osp;
1220
1221 #ifdef SSCAPE_DEBUG1
1222         /*
1223          * Temporary debugging aid. Print contents of the registers before
1224          * changing them.
1225          */
1226         {
1227                 int i;
1228
1229                 for (i = 0; i < 13; i++)
1230                         printk("I%d = %02x (old value)\n", i, sscape_read(devc, i));
1231         }
1232 #endif
1233         devc->failed = 1;
1234
1235         sscape_ports = request_region(devc->base, 2, "mpu401");
1236         if (!sscape_ports)
1237                 return 0;
1238
1239         if (!request_region(devc->base + 2, 6, "SoundScape")) {
1240                 release_region(devc->base, 2);
1241                 return 0;
1242         }
1243
1244         if (!detect_ga(devc)) {
1245                 if (detect_sscape_pnp(devc))
1246                         return 1;
1247                 release_region(devc->base, 2);
1248                 release_region(devc->base + 2, 6);
1249                 return 0;
1250         }
1251
1252         if (old_hardware)       /* Check that it's really an old Spea/Reveal card. */
1253         {
1254                 unsigned char   tmp;
1255                 int             cc;
1256
1257                 if (!((tmp = sscape_read(devc, GA_HMCTL_REG)) & 0xc0))
1258                 {
1259                         sscape_write(devc, GA_HMCTL_REG, tmp | 0x80);
1260                         for (cc = 0; cc < 200000; ++cc)
1261                                 inb(devc->base + ODIE_ADDR);
1262                 }
1263         }
1264         return 1;
1265 }
1266
1267 static int __init init_ss_ms_sound(struct address_info *hw_config)
1268 {
1269         int i, irq_bits = 0xff;
1270         int ad_flags = 0;
1271         struct resource *ports;
1272         
1273         if (devc->failed)
1274         {
1275                 printk(KERN_ERR "soundscape: Card not detected\n");
1276                 return 0;
1277         }
1278         if (devc->ok == 0)
1279         {
1280                 printk(KERN_ERR "soundscape: Invalid initialization order.\n");
1281                 return 0;
1282         }
1283         for (i = 0; i < 4; i++)
1284         {
1285                 if (hw_config->irq == valid_interrupts[i])
1286                 {
1287                         irq_bits = i;
1288                         break;
1289                 }
1290         }
1291         if (irq_bits == 0xff) {
1292                 printk(KERN_ERR "soundscape: Invalid MSS IRQ%d\n", hw_config->irq);
1293                 return 0;
1294         }
1295         
1296         if (old_hardware)
1297                 ad_flags = 0x12345677;  /* Tell that we may have a CS4248 chip (Spea-V7 Media FX) */
1298         else if (sscape_is_pnp)
1299                 ad_flags = 0x87654321;  /* Tell that we have a soundscape pnp with 1845 chip */
1300
1301         ports = request_region(hw_config->io_base, 4, "ad1848");
1302         if (!ports) {
1303                 printk(KERN_ERR "soundscape: ports busy\n");
1304                 return 0;
1305         }
1306
1307         if (!ad1848_detect(ports, &ad_flags, hw_config->osp)) {
1308                 release_region(hw_config->io_base, 4);
1309                 return 0;
1310         }
1311
1312         if (!sscape_is_pnp)  /*pnp is already setup*/
1313         {
1314                 /*
1315                  * Setup the DMA polarity.
1316                  */
1317                 sscape_write(devc, GA_DMACFG_REG, 0x50);
1318         
1319                 /*
1320                  * Take the gate-array off of the DMA channel.
1321                  */
1322                 sscape_write(devc, GA_DMAB_REG, 0x20);
1323         
1324                 /*
1325                  * Init the AD1848 (CD-ROM) config reg.
1326                  */
1327                 sscape_write(devc, GA_CDCFG_REG, 0x89 | (hw_config->dma << 4) | (irq_bits << 1));
1328         }
1329         
1330         if (hw_config->irq == devc->irq)
1331                 printk(KERN_WARNING "soundscape: Warning! The WSS mode can't share IRQ with MIDI\n");
1332                                 
1333         hw_config->slots[0] = ad1848_init(
1334                         sscape_is_pnp ? "SoundScape" : "SoundScape PNP",
1335                         ports,
1336                         hw_config->irq,
1337                         hw_config->dma,
1338                         hw_config->dma,
1339                         0,
1340                         devc->osp,
1341                         THIS_MODULE);
1342
1343                                           
1344         if (hw_config->slots[0] != -1)  /* The AD1848 driver installed itself */
1345         {
1346                 audio_devs[hw_config->slots[0]]->coproc = &sscape_coproc_operations;
1347                 devc->codec_audiodev = hw_config->slots[0];
1348                 devc->my_audiodev = hw_config->slots[0];
1349
1350                 /* Set proper routings here (what are they) */
1351                 AD1848_REROUTE(SOUND_MIXER_LINE1, SOUND_MIXER_LINE);
1352         }
1353                 
1354 #ifdef SSCAPE_DEBUG5
1355         /*
1356          * Temporary debugging aid. Print contents of the registers
1357          * after the AD1848 device has been initialized.
1358          */
1359         {
1360                 int i;
1361
1362                 for (i = 0; i < 13; i++)
1363                         printk("I%d = %02x\n", i, sscape_read(devc, i));
1364         }
1365 #endif
1366         return 1;
1367 }
1368
1369 static void __exit unload_sscape(struct address_info *hw_config)
1370 {
1371         release_region(devc->base + 2, 6);
1372         unload_mpu401(hw_config);
1373         if (sscape_is_pnp)
1374                 release_region(devc->codec, 2);
1375 }
1376
1377 static void __exit unload_ss_ms_sound(struct address_info *hw_config)
1378 {
1379         ad1848_unload(hw_config->io_base,
1380                       hw_config->irq,
1381                       devc->dma,
1382                       devc->dma,
1383                       0);
1384         sound_unload_audiodev(hw_config->slots[0]);
1385 }
1386
1387 static struct address_info cfg;
1388 static struct address_info cfg_mpu;
1389
1390 static int __initdata spea = -1;
1391 static int mss = 0;
1392 static int __initdata dma = -1;
1393 static int __initdata irq = -1;
1394 static int __initdata io = -1;
1395 static int __initdata mpu_irq = -1;
1396 static int __initdata mpu_io = -1;
1397
1398 module_param(dma, int, 0);
1399 module_param(irq, int, 0);
1400 module_param(io, int, 0);
1401 module_param(spea, int, 0);             /* spea=0/1 set the old_hardware */
1402 module_param(mpu_irq, int, 0);
1403 module_param(mpu_io, int, 0);
1404 module_param(mss, int, 0);
1405
1406 static int __init init_sscape(void)
1407 {
1408         printk(KERN_INFO "Soundscape driver Copyright (C) by Hannu Savolainen 1993-1996\n");
1409         
1410         cfg.irq = irq;
1411         cfg.dma = dma;
1412         cfg.io_base = io;
1413
1414         cfg_mpu.irq = mpu_irq;
1415         cfg_mpu.io_base = mpu_io;
1416         /* WEH - Try to get right dma channel */
1417         cfg_mpu.dma = dma;
1418         
1419         devc->codec = cfg.io_base;
1420         devc->codec_irq = cfg.irq;
1421         devc->codec_type = 0;
1422         devc->ic_type = 0;
1423         devc->raw_buf = NULL;
1424         spin_lock_init(&devc->lock);
1425
1426         if (cfg.dma == -1 || cfg.irq == -1 || cfg.io_base == -1) {
1427                 printk(KERN_ERR "DMA, IRQ, and IO port must be specified.\n");
1428                 return -EINVAL;
1429         }
1430         
1431         if (cfg_mpu.irq == -1 && cfg_mpu.io_base != -1) {
1432                 printk(KERN_ERR "MPU_IRQ must be specified if MPU_IO is set.\n");
1433                 return -EINVAL;
1434         }
1435         
1436         if(spea != -1) {
1437                 old_hardware = spea;
1438                 printk(KERN_INFO "Forcing %s hardware support.\n",
1439                         spea?"new":"old");
1440         }       
1441         if (probe_sscape(&cfg_mpu) == 0)
1442                 return -ENODEV;
1443
1444         attach_sscape(&cfg_mpu);
1445         
1446         mss = init_ss_ms_sound(&cfg);
1447
1448         return 0;
1449 }
1450
1451 static void __exit cleanup_sscape(void)
1452 {
1453         if (mss)
1454                 unload_ss_ms_sound(&cfg);
1455         unload_sscape(&cfg_mpu);
1456 }
1457
1458 module_init(init_sscape);
1459 module_exit(cleanup_sscape);
1460
1461 #ifndef MODULE
1462 static int __init setup_sscape(char *str)
1463 {
1464         /* io, irq, dma, mpu_io, mpu_irq */
1465         int ints[6];
1466         
1467         str = get_options(str, ARRAY_SIZE(ints), ints);
1468         
1469         io      = ints[1];
1470         irq     = ints[2];
1471         dma     = ints[3];
1472         mpu_io  = ints[4];
1473         mpu_irq = ints[5];
1474
1475         return 1;
1476 }
1477
1478 __setup("sscape=", setup_sscape);
1479 #endif
1480 MODULE_LICENSE("GPL");