The SF64-PCR card has no sound support but stupidly uses the same PCI id
[dragonfly.git] / sys / dev / sound / pci / fm801.c
1 /*
2  * Copyright (c) 2000 Dmitry Dicky diwil@dataart.com
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS `AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD: src/sys/dev/sound/pci/fm801.c,v 1.3.2.8 2002/12/24 21:17:42 semenu Exp $
27  * $DragonFly: src/sys/dev/sound/pci/fm801.c,v 1.5 2004/08/09 19:49:28 dillon Exp $
28  */
29
30 #include <dev/sound/pcm/sound.h>
31 #include <dev/sound/pcm/ac97.h>
32 #include <bus/pci/pcireg.h>
33 #include <bus/pci/pcivar.h>
34
35 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/pci/fm801.c,v 1.5 2004/08/09 19:49:28 dillon Exp $");
36
37 #define PCI_VENDOR_FORTEMEDIA   0x1319
38 #define PCI_DEVICE_FORTEMEDIA1  0x08011319
39 #define PCI_DEVICE_FORTEMEDIA2  0x08021319      /* ??? have no idea what's this... */
40
41 #define FM_PCM_VOLUME           0x00
42 #define FM_FM_VOLUME            0x02
43 #define FM_I2S_VOLUME           0x04
44 #define FM_RECORD_SOURCE        0x06
45
46 #define FM_PLAY_CTL             0x08
47 #define  FM_PLAY_RATE_MASK              0x0f00
48 #define  FM_PLAY_BUF1_LAST              0x0001
49 #define  FM_PLAY_BUF2_LAST              0x0002
50 #define  FM_PLAY_START                  0x0020
51 #define  FM_PLAY_PAUSE                  0x0040
52 #define  FM_PLAY_STOPNOW                0x0080
53 #define  FM_PLAY_16BIT                  0x4000
54 #define  FM_PLAY_STEREO                 0x8000
55
56 #define FM_PLAY_DMALEN          0x0a
57 #define FM_PLAY_DMABUF1         0x0c
58 #define FM_PLAY_DMABUF2         0x10
59
60
61 #define FM_REC_CTL              0x14
62 #define  FM_REC_RATE_MASK               0x0f00
63 #define  FM_REC_BUF1_LAST               0x0001
64 #define  FM_REC_BUF2_LAST               0x0002
65 #define  FM_REC_START                   0x0020
66 #define  FM_REC_PAUSE                   0x0040
67 #define  FM_REC_STOPNOW                 0x0080
68 #define  FM_REC_16BIT                   0x4000
69 #define  FM_REC_STEREO                  0x8000
70
71
72 #define FM_REC_DMALEN           0x16
73 #define FM_REC_DMABUF1          0x18
74 #define FM_REC_DMABUF2          0x1c
75
76 #define FM_CODEC_CTL            0x22
77 #define FM_VOLUME               0x26
78 #define  FM_VOLUME_MUTE                 0x8000
79
80 #define FM_CODEC_CMD            0x2a
81 #define  FM_CODEC_CMD_READ              0x0080
82 #define  FM_CODEC_CMD_VALID             0x0100
83 #define  FM_CODEC_CMD_BUSY              0x0200
84
85 #define FM_CODEC_DATA           0x2c
86
87 #define FM_IO_CTL               0x52
88 #define FM_CARD_CTL             0x54
89
90 #define FM_INTMASK              0x56
91 #define  FM_INTMASK_PLAY                0x0001
92 #define  FM_INTMASK_REC                 0x0002
93 #define  FM_INTMASK_VOL                 0x0040
94 #define  FM_INTMASK_MPU                 0x0080
95
96 #define FM_INTSTATUS            0x5a
97 #define  FM_INTSTATUS_PLAY              0x0100
98 #define  FM_INTSTATUS_REC               0x0200
99 #define  FM_INTSTATUS_VOL               0x4000
100 #define  FM_INTSTATUS_MPU               0x8000
101
102 #define FM801_DEFAULT_BUFSZ     4096    /* Other values do not work!!! */
103
104 /* debug purposes */
105 #define DPRINT   if(0) printf
106
107 /*
108 static int fm801ch_setup(struct pcm_channel *c);
109 */
110
111 static u_int32_t fmts[] = {
112         AFMT_U8,
113         AFMT_STEREO | AFMT_U8,
114         AFMT_S16_LE,
115         AFMT_STEREO | AFMT_S16_LE,
116         0
117 };
118
119 static struct pcmchan_caps fm801ch_caps = {
120         4000, 48000,
121         fmts, 0
122 };
123
124 struct fm801_info;
125
126 struct fm801_chinfo {
127         struct fm801_info       *parent;
128         struct pcm_channel              *channel;
129         struct snd_dbuf                 *buffer;
130         u_int32_t               spd, dir, fmt;  /* speed, direction, format */
131         u_int32_t               shift;
132 };
133
134 struct fm801_info {
135         int                     type;
136         bus_space_tag_t         st;
137         bus_space_handle_t      sh;
138         bus_dma_tag_t           parent_dmat;
139
140         device_t                dev;
141         int                     num;
142         u_int32_t               unit;
143
144         struct resource         *reg, *irq;
145         int                     regtype, regid, irqid;
146         void                    *ih;
147
148         u_int32_t               play_flip,
149                                 play_nextblk,
150                                 play_start,
151                                 play_blksize,
152                                 play_fmt,
153                                 play_shift,
154                                 play_size;
155
156         u_int32_t               rec_flip,
157                                 rec_nextblk,
158                                 rec_start,
159                                 rec_blksize,
160                                 rec_fmt,
161                                 rec_shift,
162                                 rec_size;
163
164         unsigned int            bufsz;
165
166         struct fm801_chinfo     pch, rch;
167
168         device_t                radio;
169 };
170
171 /* Bus Read / Write routines */
172 static u_int32_t
173 fm801_rd(struct fm801_info *fm801, int regno, int size)
174 {
175         switch(size) {
176         case 1:
177                 return (bus_space_read_1(fm801->st, fm801->sh, regno));
178         case 2:
179                 return (bus_space_read_2(fm801->st, fm801->sh, regno));
180         case 4:
181                 return (bus_space_read_4(fm801->st, fm801->sh, regno));
182         default:
183                 return 0xffffffff;
184         }
185 }
186
187 static void
188 fm801_wr(struct fm801_info *fm801, int regno, u_int32_t data, int size)
189 {
190
191         switch(size) {
192         case 1:
193                 bus_space_write_1(fm801->st, fm801->sh, regno, data);
194                 break;
195         case 2:
196                 bus_space_write_2(fm801->st, fm801->sh, regno, data);
197                 break;
198         case 4:
199                 bus_space_write_4(fm801->st, fm801->sh, regno, data);
200                 break;
201         }
202 }
203
204 /* -------------------------------------------------------------------- */
205 /*
206  *  ac97 codec routines
207  */
208 #define TIMO 50
209 static int
210 fm801_rdcd(kobj_t obj, void *devinfo, int regno)
211 {
212         struct fm801_info *fm801 = (struct fm801_info *)devinfo;
213         int i;
214
215         for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
216                 DELAY(10000);
217                 DPRINT("fm801 rdcd: 1 - DELAY\n");
218         }
219         if (i >= TIMO) {
220                 printf("fm801 rdcd: codec busy\n");
221                 return 0;
222         }
223
224         fm801_wr(fm801,FM_CODEC_CMD, regno|FM_CODEC_CMD_READ,2);
225
226         for (i = 0; i < TIMO && !(fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_VALID); i++)
227         {
228                 DELAY(10000);
229                 DPRINT("fm801 rdcd: 2 - DELAY\n");
230         }
231         if (i >= TIMO) {
232                 printf("fm801 rdcd: write codec invalid\n");
233                 return 0;
234         }
235
236         return fm801_rd(fm801,FM_CODEC_DATA,2);
237 }
238
239 static int
240 fm801_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data)
241 {
242         struct fm801_info *fm801 = (struct fm801_info *)devinfo;
243         int i;
244
245         DPRINT("fm801_wrcd reg 0x%x val 0x%x\n",regno, data);
246 /*
247         if(regno == AC97_REG_RECSEL)    return;
248 */
249         /* Poll until codec is ready */
250         for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
251                 DELAY(10000);
252                 DPRINT("fm801 rdcd: 1 - DELAY\n");
253         }
254         if (i >= TIMO) {
255                 printf("fm801 wrcd: read codec busy\n");
256                 return -1;
257         }
258
259         fm801_wr(fm801,FM_CODEC_DATA,data, 2);
260         fm801_wr(fm801,FM_CODEC_CMD, regno,2);
261
262         /* wait until codec is ready */
263         for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) {
264                 DELAY(10000);
265                 DPRINT("fm801 wrcd: 2 - DELAY\n");
266         }
267         if (i >= TIMO) {
268                 printf("fm801 wrcd: read codec busy\n");
269                 return -1;
270         }
271         DPRINT("fm801 wrcd release reg 0x%x val 0x%x\n",regno, data);
272         return 0;
273 }
274
275 static kobj_method_t fm801_ac97_methods[] = {
276         KOBJMETHOD(ac97_read,           fm801_rdcd),
277         KOBJMETHOD(ac97_write,          fm801_wrcd),
278         { 0, 0 }
279 };
280 AC97_DECLARE(fm801_ac97);
281
282 /* -------------------------------------------------------------------- */
283
284 /*
285  * The interrupt handler
286  */
287 static void
288 fm801_intr(void *p)
289 {
290         struct fm801_info       *fm801 = (struct fm801_info *)p;
291         u_int32_t               intsrc = fm801_rd(fm801, FM_INTSTATUS, 2);
292
293         DPRINT("\nfm801_intr intsrc 0x%x ", intsrc);
294
295         if(intsrc & FM_INTSTATUS_PLAY) {
296                 fm801->play_flip++;
297                 if(fm801->play_flip & 1) {
298                         fm801_wr(fm801, FM_PLAY_DMABUF1, fm801->play_start,4);
299                 } else
300                         fm801_wr(fm801, FM_PLAY_DMABUF2, fm801->play_nextblk,4);
301                 chn_intr(fm801->pch.channel);
302         }
303
304         if(intsrc & FM_INTSTATUS_REC) {
305                 fm801->rec_flip++;
306                 if(fm801->rec_flip & 1) {
307                         fm801_wr(fm801, FM_REC_DMABUF1, fm801->rec_start,4);
308                 } else
309                         fm801_wr(fm801, FM_REC_DMABUF2, fm801->rec_nextblk,4);
310                 chn_intr(fm801->rch.channel);
311         }
312
313         if ( intsrc & FM_INTSTATUS_MPU ) {
314                 /* This is a TODOish thing... */
315                 fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_MPU,2);
316         }
317
318         if ( intsrc & FM_INTSTATUS_VOL ) {
319                 /* This is a TODOish thing... */
320                 fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_VOL,2);
321         }
322
323         DPRINT("fm801_intr clear\n\n");
324         fm801_wr(fm801, FM_INTSTATUS, intsrc & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC), 2);
325 }
326
327 /* -------------------------------------------------------------------- */
328 /* channel interface */
329 static void *
330 fm801ch_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
331 {
332         struct fm801_info *fm801 = (struct fm801_info *)devinfo;
333         struct fm801_chinfo *ch = (dir == PCMDIR_PLAY)? &fm801->pch : &fm801->rch;
334
335         DPRINT("fm801ch_init, direction = %d\n", dir);
336         ch->parent = fm801;
337         ch->channel = c;
338         ch->buffer = b;
339         ch->dir = dir;
340         if (sndbuf_alloc(ch->buffer, fm801->parent_dmat, fm801->bufsz) == -1) return NULL;
341         return (void *)ch;
342 }
343
344 static int
345 fm801ch_setformat(kobj_t obj, void *data, u_int32_t format)
346 {
347         struct fm801_chinfo *ch = data;
348         struct fm801_info *fm801 = ch->parent;
349
350         DPRINT("fm801ch_setformat 0x%x : %s, %s, %s, %s\n", format,
351                 (format & AFMT_STEREO)?"stereo":"mono",
352                 (format & (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)) ? "16bit":"8bit",
353                 (format & AFMT_SIGNED)? "signed":"unsigned",
354                 (format & AFMT_BIGENDIAN)?"bigendiah":"littleendian" );
355
356         if(ch->dir == PCMDIR_PLAY) {
357                 fm801->play_fmt =  (format & AFMT_STEREO)? FM_PLAY_STEREO : 0;
358                 fm801->play_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0;
359                 return 0;
360         }
361
362         if(ch->dir == PCMDIR_REC ) {
363                 fm801->rec_fmt = (format & AFMT_STEREO)? FM_REC_STEREO:0;
364                 fm801->rec_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0;
365                 return 0;
366         }
367
368         return 0;
369 }
370
371 struct {
372         int limit;
373         int rate;
374 } fm801_rates[11] = {
375         {  6600,  5500 },
376         {  8750,  8000 },
377         { 10250,  9600 },
378         { 13200, 11025 },
379         { 17500, 16000 },
380         { 20500, 19200 },
381         { 26500, 22050 },
382         { 35000, 32000 },
383         { 41000, 38400 },
384         { 46000, 44100 },
385         { 48000, 48000 },
386 /* anything above -> 48000 */
387 };
388
389 static int
390 fm801ch_setspeed(kobj_t obj, void *data, u_int32_t speed)
391 {
392         struct fm801_chinfo *ch = data;
393         struct fm801_info *fm801 = ch->parent;
394         int i;
395
396
397         for (i = 0; i < 10 && fm801_rates[i].limit <= speed; i++) ;
398
399         if(ch->dir == PCMDIR_PLAY) {
400                 fm801->pch.spd = fm801_rates[i].rate;
401                 fm801->play_shift = (i<<8);
402                 fm801->play_shift &= FM_PLAY_RATE_MASK;
403         }
404
405         if(ch->dir == PCMDIR_REC ) {
406                 fm801->rch.spd = fm801_rates[i].rate;
407                 fm801->rec_shift = (i<<8);
408                 fm801->rec_shift &= FM_REC_RATE_MASK;
409         }
410
411         ch->spd = fm801_rates[i].rate;
412
413         return fm801_rates[i].rate;
414 }
415
416 static int
417 fm801ch_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
418 {
419         struct fm801_chinfo *ch = data;
420         struct fm801_info *fm801 = ch->parent;
421
422         if(ch->dir == PCMDIR_PLAY) {
423                 if(fm801->play_flip) return fm801->play_blksize;
424                 fm801->play_blksize = blocksize;
425         }
426
427         if(ch->dir == PCMDIR_REC) {
428                 if(fm801->rec_flip) return fm801->rec_blksize;
429                 fm801->rec_blksize = blocksize;
430         }
431
432         DPRINT("fm801ch_setblocksize %d (dir %d)\n",blocksize, ch->dir);
433
434         return blocksize;
435 }
436
437 static int
438 fm801ch_trigger(kobj_t obj, void *data, int go)
439 {
440         struct fm801_chinfo *ch = data;
441         struct fm801_info *fm801 = ch->parent;
442         u_int32_t baseaddr = vtophys(sndbuf_getbuf(ch->buffer));
443         u_int32_t k1;
444
445         DPRINT("fm801ch_trigger go %d , ", go);
446
447         if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) {
448                 return 0;
449         }
450
451         if (ch->dir == PCMDIR_PLAY) {
452                 if (go == PCMTRIG_START) {
453
454                         fm801->play_start = baseaddr;
455                         fm801->play_nextblk = fm801->play_start + fm801->play_blksize;
456                         fm801->play_flip = 0;
457                         fm801_wr(fm801, FM_PLAY_DMALEN, fm801->play_blksize - 1, 2);
458                         fm801_wr(fm801, FM_PLAY_DMABUF1,fm801->play_start,4);
459                         fm801_wr(fm801, FM_PLAY_DMABUF2,fm801->play_nextblk,4);
460                         fm801_wr(fm801, FM_PLAY_CTL,
461                                         FM_PLAY_START | FM_PLAY_STOPNOW | fm801->play_fmt | fm801->play_shift,
462                                         2 );
463                         } else {
464                         fm801->play_flip = 0;
465                         k1 = fm801_rd(fm801, FM_PLAY_CTL,2);
466                         fm801_wr(fm801, FM_PLAY_CTL,
467                                 (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) |
468                                 FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST, 2 );
469                 }
470         } else if(ch->dir == PCMDIR_REC) {
471                 if (go == PCMTRIG_START) {
472                         fm801->rec_start = baseaddr;
473                         fm801->rec_nextblk = fm801->rec_start + fm801->rec_blksize;
474                         fm801->rec_flip = 0;
475                         fm801_wr(fm801, FM_REC_DMALEN, fm801->rec_blksize - 1, 2);
476                         fm801_wr(fm801, FM_REC_DMABUF1,fm801->rec_start,4);
477                         fm801_wr(fm801, FM_REC_DMABUF2,fm801->rec_nextblk,4);
478                         fm801_wr(fm801, FM_REC_CTL,
479                                         FM_REC_START | FM_REC_STOPNOW | fm801->rec_fmt | fm801->rec_shift,
480                                         2 );
481                         } else {
482                         fm801->rec_flip = 0;
483                         k1 = fm801_rd(fm801, FM_REC_CTL,2);
484                         fm801_wr(fm801, FM_REC_CTL,
485                                 (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) |
486                                 FM_REC_BUF1_LAST | FM_REC_BUF2_LAST, 2);
487                 }
488         }
489
490         return 0;
491 }
492
493 /* Almost ALSA copy */
494 static int
495 fm801ch_getptr(kobj_t obj, void *data)
496 {
497         struct fm801_chinfo *ch = data;
498         struct fm801_info *fm801 = ch->parent;
499         int result = 0;
500
501         if (ch->dir == PCMDIR_PLAY) {
502                 result = fm801_rd(fm801,
503                         (fm801->play_flip&1) ?
504                         FM_PLAY_DMABUF2:FM_PLAY_DMABUF1, 4) - fm801->play_start;
505         }
506
507         if (ch->dir == PCMDIR_REC) {
508                 result = fm801_rd(fm801,
509                         (fm801->rec_flip&1) ?
510                         FM_REC_DMABUF2:FM_REC_DMABUF1, 4) - fm801->rec_start;
511         }
512
513         return result;
514 }
515
516 static struct pcmchan_caps *
517 fm801ch_getcaps(kobj_t obj, void *data)
518 {
519         return &fm801ch_caps;
520 }
521
522 static kobj_method_t fm801ch_methods[] = {
523         KOBJMETHOD(channel_init,                fm801ch_init),
524         KOBJMETHOD(channel_setformat,           fm801ch_setformat),
525         KOBJMETHOD(channel_setspeed,            fm801ch_setspeed),
526         KOBJMETHOD(channel_setblocksize,        fm801ch_setblocksize),
527         KOBJMETHOD(channel_trigger,             fm801ch_trigger),
528         KOBJMETHOD(channel_getptr,              fm801ch_getptr),
529         KOBJMETHOD(channel_getcaps,             fm801ch_getcaps),
530         { 0, 0 }
531 };
532 CHANNEL_DECLARE(fm801ch);
533
534 /* -------------------------------------------------------------------- */
535
536 /*
537  *  Init routine is taken from an original NetBSD driver
538  */
539 static int
540 fm801_init(struct fm801_info *fm801)
541 {
542         u_int32_t k1;
543
544         /* reset codec */
545         fm801_wr(fm801, FM_CODEC_CTL, 0x0020,2);
546         DELAY(100000);
547         fm801_wr(fm801, FM_CODEC_CTL, 0x0000,2);
548         DELAY(100000);
549
550         fm801_wr(fm801, FM_PCM_VOLUME, 0x0808,2);
551         fm801_wr(fm801, FM_FM_VOLUME, 0x0808,2);
552         fm801_wr(fm801, FM_I2S_VOLUME, 0x0808,2);
553         fm801_wr(fm801, 0x40,0x107f,2); /* enable legacy audio */
554
555         fm801_wr((void *)fm801, FM_RECORD_SOURCE, 0x0000,2);
556
557         /* Unmask playback, record and mpu interrupts, mask the rest */
558         k1 = fm801_rd((void *)fm801, FM_INTMASK,2);
559         fm801_wr(fm801, FM_INTMASK,
560                 (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) |
561                 FM_INTMASK_VOL,2);
562         fm801_wr(fm801, FM_INTSTATUS,
563                 FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU |
564                 FM_INTSTATUS_VOL,2);
565
566         DPRINT("FM801 init Ok\n");
567         return 0;
568 }
569
570 static int
571 fm801_pci_attach(device_t dev)
572 {
573         u_int32_t               data;
574         struct ac97_info        *codec = 0;
575         struct fm801_info       *fm801;
576         int                     i;
577         int                     mapped = 0;
578         char                    status[SND_STATUSLEN];
579
580         if ((fm801 = (struct fm801_info *)malloc(sizeof(*fm801), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
581                 device_printf(dev, "cannot allocate softc\n");
582                 return ENXIO;
583         }
584
585         fm801->type = pci_get_devid(dev);
586
587         data = pci_read_config(dev, PCIR_COMMAND, 2);
588         data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
589         pci_write_config(dev, PCIR_COMMAND, data, 2);
590         data = pci_read_config(dev, PCIR_COMMAND, 2);
591
592         for (i = 0; (mapped == 0) && (i < PCI_MAXMAPS_0); i++) {
593                 fm801->regid = PCIR_MAPS + i*4;
594                 fm801->regtype = SYS_RES_MEMORY;
595                 fm801->reg = bus_alloc_resource(dev, fm801->regtype, &fm801->regid,
596                                                 0, ~0, 1, RF_ACTIVE);
597                 if(!fm801->reg)
598                 {
599                         fm801->regtype = SYS_RES_IOPORT;
600                         fm801->reg = bus_alloc_resource(dev, fm801->regtype, &fm801->regid,
601                                                 0, ~0, 1, RF_ACTIVE);
602                 }
603
604                 if(fm801->reg) {
605                         fm801->st = rman_get_bustag(fm801->reg);
606                         fm801->sh = rman_get_bushandle(fm801->reg);
607                         mapped++;
608                 }
609         }
610
611         if (mapped == 0) {
612                 device_printf(dev, "unable to map register space\n");
613                 goto oops;
614         }
615
616         fm801->bufsz = pcm_getbuffersize(dev, 4096, FM801_DEFAULT_BUFSZ, 65536);
617
618         fm801_init(fm801);
619
620         codec = AC97_CREATE(dev, fm801, fm801_ac97);
621         if (codec == NULL) goto oops;
622
623         if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto oops;
624
625         fm801->irqid = 0;
626         fm801->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &fm801->irqid,
627                                 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
628         if (!fm801->irq || snd_setup_intr(dev, fm801->irq, 0, fm801_intr, fm801, &fm801->ih)) {
629                 device_printf(dev, "unable to map interrupt\n");
630                 goto oops;
631         }
632
633         if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
634                 /*lowaddr*/BUS_SPACE_MAXADDR_32BIT,
635                 /*highaddr*/BUS_SPACE_MAXADDR,
636                 /*filter*/NULL, /*filterarg*/NULL,
637                 /*maxsize*/fm801->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff,
638                 /*flags*/0, &fm801->parent_dmat) != 0) {
639                 device_printf(dev, "unable to create dma tag\n");
640                 goto oops;
641         }
642
643         snprintf(status, 64, "at %s 0x%lx irq %ld",
644                 (fm801->regtype == SYS_RES_IOPORT)? "io" : "memory",
645                 rman_get_start(fm801->reg), rman_get_start(fm801->irq));
646
647 #define FM801_MAXPLAYCH 1
648         if (pcm_register(dev, fm801, FM801_MAXPLAYCH, 1)) goto oops;
649         pcm_addchan(dev, PCMDIR_PLAY, &fm801ch_class, fm801);
650         pcm_addchan(dev, PCMDIR_REC, &fm801ch_class, fm801);
651         pcm_setstatus(dev, status);
652
653         fm801->radio = device_add_child(dev, "radio", -1);
654         bus_generic_attach(dev);
655
656         return 0;
657
658 oops:
659         if (codec) ac97_destroy(codec);
660         if (fm801->reg) bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg);
661         if (fm801->ih) bus_teardown_intr(dev, fm801->irq, fm801->ih);
662         if (fm801->irq) bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq);
663         if (fm801->parent_dmat) bus_dma_tag_destroy(fm801->parent_dmat);
664         free(fm801, M_DEVBUF);
665         return ENXIO;
666 }
667
668 static int
669 fm801_pci_detach(device_t dev)
670 {
671         int r;
672         struct fm801_info *fm801;
673
674         DPRINT("Forte Media FM801 detach\n");
675
676         fm801 = pcm_getdevinfo(dev);
677
678         r = bus_generic_detach(dev);
679         if (r)
680                 return r;
681         if (fm801->radio != NULL) {
682                 r = device_delete_child(dev, fm801->radio);
683                 if (r)
684                         return r;
685                 fm801->radio = NULL;
686         }
687
688         r = pcm_unregister(dev);
689         if (r)
690                 return r;
691
692         bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg);
693         bus_teardown_intr(dev, fm801->irq, fm801->ih);
694         bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq);
695         bus_dma_tag_destroy(fm801->parent_dmat);
696         free(fm801, M_DEVBUF);
697         return 0;
698 }
699
700 static int
701 fm801_pci_probe( device_t dev )
702 {
703         u_int32_t data;
704         int id, regtype, regid, result;
705         struct resource *reg;
706         bus_space_tag_t st;
707         bus_space_handle_t sh;
708
709         result = ENXIO;
710         
711         if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA1 ) {
712                 data = pci_read_config(dev, PCIR_COMMAND, 2);
713                 data |= (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN);
714                 pci_write_config(dev, PCIR_COMMAND, data, 2);
715                 data = pci_read_config(dev, PCIR_COMMAND, 2);
716
717                 regid = PCIR_MAPS;
718                 regtype = SYS_RES_IOPORT;
719                 reg = bus_alloc_resource(dev, regtype, &regid, 0, ~0, 1,
720                     RF_ACTIVE);
721
722                 if (reg == NULL)
723                         return ENXIO;
724
725                 st = rman_get_bustag(reg);
726                 sh = rman_get_bushandle(reg);
727                 /*
728                  * XXX: quick check that device actually has sound capabilities.
729                  * The problem is that some cards built around FM801 chip only
730                  * have radio tuner onboard, but no sound capabilities. There
731                  * is no "official" way to quickly check this, because all
732                  * IDs are exactly the same. The only difference is 0x28
733                  * device control register, described in FM801 specification
734                  * as "SRC/Mixer Test Control/DFC Status", but without
735                  * any more detailed explanation. According to specs, and
736                  * available sample cards (SF256-PCP-R and SF256-PCS-R) its
737                  * power-on value should be `0', while on AC97-less tuner
738                  * card (SF64-PCR) it was 0x80.
739                  */
740                 /*
741                  * HACK (on top of the hack above?)
742                  * Unfortunately, some fully-sound-capable cards, like the
743                  * TerraTec 512i, return 0x80.  I don't know of any other
744                  * differences to detect between the cards.  As I have one
745                  * of these cards but not an SF64-PCR, I'd prefer to have
746                  * the card work, as would others with the same card.
747                  * Therefore, not knowing better, disable this check.
748                  */
749 #ifdef I_HAVE_SF64_PCR
750                 if (bus_space_read_1(st, sh, 0x28) == 0) {
751 #endif
752                         device_set_desc(dev,
753                             "Forte Media FM801 Audio Controller");
754                         result = 0;
755 #ifdef I_HAVE_SF64_PCR
756                 }
757 #endif
758
759                 bus_release_resource(dev, regtype, regid, reg);
760         }
761 /*
762         if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA2 ) {
763                 device_set_desc(dev, "Forte Media FM801 Joystick (Not Supported)");
764                 return ENXIO;
765         }
766 */
767         return (result);
768 }
769
770 static struct resource *
771 fm801_alloc_resource(device_t bus, device_t child, int type, int *rid,
772                      u_long start, u_long end, u_long count, u_int flags)
773 {
774         struct fm801_info *fm801;
775
776         fm801 = pcm_getdevinfo(bus);
777
778         if (type == SYS_RES_IOPORT && *rid == PCIR_MAPS)
779                 return (fm801->reg);
780
781         return (NULL);
782 }
783
784 static int
785 fm801_release_resource(device_t bus, device_t child, int type, int rid,
786                        struct resource *r)
787 {
788         return (0);
789 }
790
791 static device_method_t fm801_methods[] = {
792         /* Device interface */
793         DEVMETHOD(device_probe,         fm801_pci_probe),
794         DEVMETHOD(device_attach,        fm801_pci_attach),
795         DEVMETHOD(device_detach,        fm801_pci_detach),
796         DEVMETHOD(device_shutdown,      bus_generic_shutdown),
797         DEVMETHOD(device_suspend,       bus_generic_suspend),
798         DEVMETHOD(device_resume,        bus_generic_resume),
799
800         /* Bus interface */
801         DEVMETHOD(bus_print_child,      bus_generic_print_child),
802         DEVMETHOD(bus_alloc_resource,   fm801_alloc_resource),
803         DEVMETHOD(bus_release_resource, fm801_release_resource),
804         DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
805         DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
806         { 0, 0}
807 };
808
809 static driver_t fm801_driver = {
810         "pcm",
811         fm801_methods,
812         PCM_SOFTC_SIZE,
813 };
814
815 DRIVER_MODULE(snd_fm801, pci, fm801_driver, pcm_devclass, 0, 0);
816 MODULE_DEPEND(snd_fm801, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
817 MODULE_VERSION(snd_fm801, 1);