xref: /dragonfly/sys/dev/sound/pci/vibes.c (revision aa8d5dcb)
1 /*
2  * Copyright (c) 2001 Orion Hodson <O.Hodson@cs.ucl.ac.uk>
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  * This card has the annoying habit of "clicking" when attached and
27  * detached, haven't been able to remedy this with any combination of
28  * muting.
29  *
30  * $FreeBSD: src/sys/dev/sound/pci/vibes.c,v 1.4.2.6 2002/04/22 15:49:33 cg Exp $
31  * $DragonFly: src/sys/dev/sound/pci/vibes.c,v 1.4 2004/02/13 01:45:14 joerg Exp $
32  */
33 
34 #include <dev/sound/pcm/sound.h>
35 #include <dev/sound/pci/vibes.h>
36 
37 #include <bus/pci/pcireg.h>
38 #include <bus/pci/pcivar.h>
39 
40 #include "mixer_if.h"
41 
42 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/pci/vibes.c,v 1.4 2004/02/13 01:45:14 joerg Exp $");
43 
44 /* ------------------------------------------------------------------------- */
45 /* Constants */
46 
47 #define SV_PCI_ID		0xca005333
48 #define SV_DEFAULT_BUFSZ	16384
49 #define SV_MIN_BLKSZ		128
50 #define SV_INTR_PER_BUFFER	2
51 
52 #ifndef DEB
53 #define DEB(x) /* (x) */
54 #endif
55 
56 /* ------------------------------------------------------------------------- */
57 /* Structures */
58 
59 struct sc_info;
60 
61 struct sc_chinfo {
62 	struct sc_info	*parent;
63 	struct pcm_channel	*channel;
64 	struct snd_dbuf	*buffer;
65 	u_int32_t	fmt, spd;
66 	int		dir;
67 	int		dma_active, dma_was_active;
68 };
69 
70 struct sc_info {
71 	device_t		dev;
72 
73 	/* DMA buffer allocator */
74 	bus_dma_tag_t		parent_dmat;
75 
76 	/* Enhanced register resources */
77 	struct resource 	*enh_reg;
78 	bus_space_tag_t		enh_st;
79 	bus_space_handle_t	enh_sh;
80 	int			enh_type;
81 	int			enh_rid;
82 
83 	/* DMA configuration */
84 	struct resource		*dmaa_reg, *dmac_reg;
85 	bus_space_tag_t		dmaa_st, dmac_st;
86 	bus_space_handle_t	dmaa_sh, dmac_sh;
87 	int			dmaa_type, dmac_type;
88 	int			dmaa_rid, dmac_rid;
89 
90 	/* Interrupt resources */
91 	struct resource 	*irq;
92 	int			irqid;
93 	void			*ih;
94 
95 	/* User configurable buffer size */
96 	unsigned int		bufsz;
97 
98 	struct sc_chinfo	rch, pch;
99 	u_int8_t		rev;
100 };
101 
102 static u_int32_t sc_fmt[] = {
103 	AFMT_U8,
104 	AFMT_U8 | AFMT_STEREO,
105 	AFMT_S16_LE,
106 	AFMT_S16_LE | AFMT_STEREO,
107 	0
108 };
109 
110 static struct pcmchan_caps sc_caps = {8000, 48000, sc_fmt, 0};
111 
112 /* ------------------------------------------------------------------------- */
113 /* Register Manipulations */
114 
115 #define sv_direct_set(x, y, z) _sv_direct_set(x, y, z, __LINE__)
116 
117 static u_int8_t
118 sv_direct_get(struct sc_info *sc, u_int8_t reg)
119 {
120 	return bus_space_read_1(sc->enh_st, sc->enh_sh, reg);
121 }
122 
123 static void
124 _sv_direct_set(struct sc_info *sc, u_int8_t reg, u_int8_t val, int line)
125 {
126 	u_int8_t n;
127 	bus_space_write_1(sc->enh_st, sc->enh_sh, reg, val);
128 
129 	n = sv_direct_get(sc, reg);
130 	if (n != val) {
131 		device_printf(sc->dev, "sv_direct_set register 0x%02x %d != %d from line %d\n", reg, n, val, line);
132 	}
133 }
134 
135 static u_int8_t
136 sv_indirect_get(struct sc_info *sc, u_int8_t reg)
137 {
138 	if (reg == SV_REG_FORMAT || reg == SV_REG_ANALOG_PWR)
139 		reg |= SV_CM_INDEX_MCE;
140 
141 	bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_INDEX, reg);
142 	return bus_space_read_1(sc->enh_st, sc->enh_sh, SV_CM_DATA);
143 }
144 
145 #define sv_indirect_set(x, y, z) _sv_indirect_set(x, y, z, __LINE__)
146 
147 static void
148 _sv_indirect_set(struct sc_info *sc, u_int8_t reg, u_int8_t val, int line)
149 {
150 	if (reg == SV_REG_FORMAT || reg == SV_REG_ANALOG_PWR)
151 		reg |= SV_CM_INDEX_MCE;
152 
153 	bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_INDEX, reg);
154 	bus_space_write_1(sc->enh_st, sc->enh_sh, SV_CM_DATA, val);
155 
156 	reg &= ~SV_CM_INDEX_MCE;
157 	if (reg != SV_REG_ADC_PLLM) {
158 		u_int8_t n;
159 		n = sv_indirect_get(sc, reg);
160 		if (n != val) {
161 			device_printf(sc->dev, "sv_indirect_set register 0x%02x %d != %d line %d\n", reg, n, val, line);
162 		}
163 	}
164 }
165 
166 static void
167 sv_dma_set_config(bus_space_tag_t st, bus_space_handle_t sh,
168 		  u_int32_t base, u_int32_t count, u_int8_t mode)
169 {
170 	bus_space_write_4(st, sh, SV_DMA_ADDR, base);
171 	bus_space_write_4(st, sh, SV_DMA_COUNT, count & 0xffffff);
172 	bus_space_write_1(st, sh, SV_DMA_MODE, mode);
173 
174 	DEB(printf("base 0x%08x count %5d mode 0x%02x\n",
175 		   base, count, mode));
176 }
177 
178 static u_int32_t
179 sv_dma_get_count(bus_space_tag_t st, bus_space_handle_t sh)
180 {
181 	return bus_space_read_4(st, sh, SV_DMA_COUNT) & 0xffffff;
182 }
183 
184 /* ------------------------------------------------------------------------- */
185 /* Play / Record Common Interface */
186 
187 static void *
188 svchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir)
189 {
190 	struct sc_info		*sc = devinfo;
191 	struct sc_chinfo	*ch;
192 	ch = (dir == PCMDIR_PLAY) ? &sc->pch : &sc->rch;
193 
194 	ch->parent = sc;
195 	ch->channel = c;
196 	ch->dir = dir;
197 
198 	if (sndbuf_alloc(b, sc->parent_dmat, sc->bufsz) != 0) {
199 		DEB(printf("svchan_init failed\n"));
200 		return NULL;
201 	}
202 	ch->buffer = b;
203 	ch->fmt = AFMT_U8;
204 	ch->spd = DSP_DEFAULT_SPEED;
205 	ch->dma_active = ch->dma_was_active = 0;
206 
207 	return ch;
208 }
209 
210 static struct pcmchan_caps *
211 svchan_getcaps(kobj_t obj, void *data)
212 {
213         return &sc_caps;
214 }
215 
216 static int
217 svchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
218 {
219 	struct sc_chinfo *ch = data;
220 	struct sc_info *sc = ch->parent;
221 
222         /* user has requested interrupts every blocksize bytes */
223 	RANGE(blocksize, SV_MIN_BLKSZ, sc->bufsz / SV_INTR_PER_BUFFER);
224 	sndbuf_resize(ch->buffer, SV_INTR_PER_BUFFER, blocksize);
225 	DEB(printf("svchan_setblocksize: %d\n", blocksize));
226 	return blocksize;
227 }
228 
229 static int
230 svchan_setformat(kobj_t obj, void *data, u_int32_t format)
231 {
232 	struct sc_chinfo *ch = data;
233 	/* NB Just note format here as setting format register
234 	 * generates noise if dma channel is inactive. */
235 	ch->fmt  = (format & AFMT_STEREO) ? SV_AFMT_STEREO : SV_AFMT_MONO;
236 	ch->fmt |= (format & AFMT_16BIT) ? SV_AFMT_S16 : SV_AFMT_U8;
237 	return 0;
238 }
239 
240 static int
241 svchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
242 {
243 	struct sc_chinfo *ch = data;
244 	RANGE(speed, 8000, 48000);
245 	ch->spd = speed;
246 	return speed;
247 }
248 
249 /* ------------------------------------------------------------------------- */
250 /* Recording interface */
251 
252 static int
253 sv_set_recspeed(struct sc_info *sc, u_int32_t speed)
254 {
255 	u_int32_t	f_out, f_actual;
256 	u_int32_t	rs, re, r, best_r = 0, r2, t, n, best_n = 0;
257 	int32_t		m, best_m = 0, ms, me, err, min_err;
258 
259 	/* This algorithm is a variant described in sonicvibes.pdf
260 	 * appendix A.  This search is marginally more extensive and
261 	 * results in (nominally) better sample rate matching. */
262 
263 	f_out = SV_F_SCALE * speed;
264 	min_err = 0x7fffffff;
265 
266 	/* Find bounds of r to examine, rs <= r <= re */
267 	t = 80000000 / f_out;
268 	for (rs = 1; (1 << rs) < t; rs++);
269 
270 	t = 150000000 / f_out;
271 	for (re = 1; (2 << re) < t; re++);
272 	if (re > 7) re = 7;
273 
274 	/* Search over r, n, m */
275 	for (r = rs; r <= re; r++) {
276 		r2 = (1 << r);
277 		for (n = 3; n < 34; n++) {
278 			m = f_out * n / (SV_F_REF / r2);
279 			ms = (m > 3) ? (m - 1) : 3;
280 			me = (m < 129) ? (m + 1) : 129;
281 			for (m = ms; m <= me; m++) {
282 				f_actual = m * SV_F_REF / (n * r2);
283 				if (f_actual > f_out) {
284 					err = f_actual - f_out;
285 				} else {
286 					err = f_out - f_actual;
287 				}
288 				if (err < min_err) {
289 					best_r = r;
290 					best_m = m - 2;
291 					best_n = n - 2;
292 					min_err = err;
293 					if (err == 0) break;
294 				}
295 			}
296 		}
297 	}
298 
299 	sv_indirect_set(sc, SV_REG_ADC_PLLM, best_m);
300 	sv_indirect_set(sc, SV_REG_ADC_PLLN,
301 			SV_ADC_PLLN(best_n) | SV_ADC_PLLR(best_r));
302 	DEB(printf("svrchan_setspeed: %d -> PLLM 0x%02x PLLNR 0x%08x\n",
303 		   speed,
304 		   sv_indirect_get(sc, SV_REG_ADC_PLLM),
305 		   sv_indirect_get(sc, SV_REG_ADC_PLLN)));
306 	return 0;
307 }
308 
309 static int
310 svrchan_trigger(kobj_t obj, void *data, int go)
311 {
312 	struct sc_chinfo	*ch = data;
313 	struct sc_info 		*sc = ch->parent;
314 	u_int32_t		count, enable;
315 	u_int8_t		v;
316 
317 	switch(go) {
318 	case PCMTRIG_START:
319 		/* Set speed */
320 		sv_set_recspeed(sc, ch->spd);
321 
322 		/* Set format */
323 		v  = sv_indirect_get(sc, SV_REG_FORMAT) & ~SV_AFMT_DMAC_MSK;
324 		v |= SV_AFMT_DMAC(ch->fmt);
325 		sv_indirect_set(sc, SV_REG_FORMAT, v);
326 
327 		/* Program DMA */
328 		count = sndbuf_getsize(ch->buffer) / 2; /* DMAC uses words */
329 		sv_dma_set_config(sc->dmac_st, sc->dmac_sh,
330 				  vtophys(sndbuf_getbuf(ch->buffer)),
331 				  count - 1,
332 				  SV_DMA_MODE_AUTO | SV_DMA_MODE_RD);
333 		count = count / SV_INTR_PER_BUFFER - 1;
334 		sv_indirect_set(sc, SV_REG_DMAC_COUNT_HI, count >> 8);
335 		sv_indirect_set(sc, SV_REG_DMAC_COUNT_LO, count & 0xff);
336 
337 		/* Enable DMA */
338 		enable = sv_indirect_get(sc, SV_REG_ENABLE) | SV_RECORD_ENABLE;
339 		sv_indirect_set(sc, SV_REG_ENABLE, enable);
340 		ch->dma_active = 1;
341 		break;
342 	case PCMTRIG_ABORT:
343 		enable = sv_indirect_get(sc, SV_REG_ENABLE) & ~SV_RECORD_ENABLE;
344 		sv_indirect_set(sc, SV_REG_ENABLE, enable);
345 		ch->dma_active = 0;
346 		break;
347 	}
348 
349 	return 0;
350 }
351 
352 static int
353 svrchan_getptr(kobj_t obj, void *data)
354 {
355 	struct sc_chinfo	*ch = data;
356 	struct sc_info 		*sc = ch->parent;
357 	u_int32_t sz, remain;
358 
359 	sz = sndbuf_getsize(ch->buffer);
360 	/* DMAC uses words */
361 	remain = (sv_dma_get_count(sc->dmac_st, sc->dmac_sh) + 1) * 2;
362 	return sz - remain;
363 }
364 
365 static kobj_method_t svrchan_methods[] = {
366         KOBJMETHOD(channel_init,                svchan_init),
367         KOBJMETHOD(channel_setformat,           svchan_setformat),
368         KOBJMETHOD(channel_setspeed,            svchan_setspeed),
369         KOBJMETHOD(channel_setblocksize,        svchan_setblocksize),
370         KOBJMETHOD(channel_trigger,             svrchan_trigger),
371         KOBJMETHOD(channel_getptr,              svrchan_getptr),
372         KOBJMETHOD(channel_getcaps,             svchan_getcaps),
373         { 0, 0 }
374 };
375 CHANNEL_DECLARE(svrchan);
376 
377 /* ------------------------------------------------------------------------- */
378 /* Playback interface */
379 
380 static int
381 svpchan_trigger(kobj_t obj, void *data, int go)
382 {
383 	struct sc_chinfo	*ch = data;
384 	struct sc_info		*sc = ch->parent;
385 	u_int32_t		count, enable, speed;
386 	u_int8_t		v;
387 
388 	switch(go) {
389 	case PCMTRIG_START:
390 		/* Set speed */
391 		speed = (ch->spd * 65536) / 48000;
392 		if (speed > 65535)
393 			speed = 65535;
394 		sv_indirect_set(sc, SV_REG_PCM_SAMPLING_HI, speed >> 8);
395 		sv_indirect_set(sc, SV_REG_PCM_SAMPLING_LO, speed & 0xff);
396 
397 		/* Set format */
398 		v  = sv_indirect_get(sc, SV_REG_FORMAT) & ~SV_AFMT_DMAA_MSK;
399 		v |= SV_AFMT_DMAA(ch->fmt);
400 		sv_indirect_set(sc, SV_REG_FORMAT, v);
401 
402 		/* Program DMA */
403 		count = sndbuf_getsize(ch->buffer);
404 		sv_dma_set_config(sc->dmaa_st, sc->dmaa_sh,
405 				  vtophys(sndbuf_getbuf(ch->buffer)),
406 				  count - 1,
407 				  SV_DMA_MODE_AUTO | SV_DMA_MODE_WR);
408 		count = count / SV_INTR_PER_BUFFER - 1;
409 		sv_indirect_set(sc, SV_REG_DMAA_COUNT_HI, count >> 8);
410 		sv_indirect_set(sc, SV_REG_DMAA_COUNT_LO, count & 0xff);
411 
412 		/* Enable DMA */
413 		enable = sv_indirect_get(sc, SV_REG_ENABLE);
414 		enable = (enable | SV_PLAY_ENABLE) & ~SV_PLAYBACK_PAUSE;
415 		sv_indirect_set(sc, SV_REG_ENABLE, enable);
416 		ch->dma_active = 1;
417 		break;
418 	case PCMTRIG_ABORT:
419 		enable = sv_indirect_get(sc, SV_REG_ENABLE) & ~SV_PLAY_ENABLE;
420 		sv_indirect_set(sc, SV_REG_ENABLE, enable);
421 		ch->dma_active = 0;
422 		break;
423 	}
424 
425 	return 0;
426 }
427 
428 static int
429 svpchan_getptr(kobj_t obj, void *data)
430 {
431 	struct sc_chinfo	*ch = data;
432 	struct sc_info 		*sc = ch->parent;
433 	u_int32_t sz, remain;
434 
435 	sz = sndbuf_getsize(ch->buffer);
436 	/* DMAA uses bytes */
437 	remain = sv_dma_get_count(sc->dmaa_st, sc->dmaa_sh) + 1;
438 	return (sz - remain);
439 }
440 
441 static kobj_method_t svpchan_methods[] = {
442         KOBJMETHOD(channel_init,                svchan_init),
443         KOBJMETHOD(channel_setformat,           svchan_setformat),
444         KOBJMETHOD(channel_setspeed,            svchan_setspeed),
445         KOBJMETHOD(channel_setblocksize,        svchan_setblocksize),
446         KOBJMETHOD(channel_trigger,             svpchan_trigger),
447         KOBJMETHOD(channel_getptr,              svpchan_getptr),
448         KOBJMETHOD(channel_getcaps,             svchan_getcaps),
449         { 0, 0 }
450 };
451 CHANNEL_DECLARE(svpchan);
452 
453 /* ------------------------------------------------------------------------- */
454 /* Mixer support */
455 
456 struct sv_mix_props {
457 	u_int8_t	reg;		/* Register */
458 	u_int8_t	stereo:1;	/* Supports 2 channels */
459 	u_int8_t	mute:1;		/* Supports muting */
460 	u_int8_t	neg:1;		/* Negative gain */
461 	u_int8_t	max;		/* Max gain */
462 	u_int8_t	iselect;	/* Input selector */
463 } static const mt [SOUND_MIXER_NRDEVICES] = {
464 	[SOUND_MIXER_LINE1]  = {SV_REG_AUX1,      1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_AUX1},
465 	[SOUND_MIXER_CD]     = {SV_REG_CD,        1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_CD},
466 	[SOUND_MIXER_LINE]   = {SV_REG_LINE,      1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_LINE},
467 	[SOUND_MIXER_MIC]    = {SV_REG_MIC,       0, 1, 1, SV_MIC_MAX,     SV_INPUT_MIC},
468 	[SOUND_MIXER_SYNTH]  = {SV_REG_SYNTH,     0, 1, 1, SV_DEFAULT_MAX, 0},
469 	[SOUND_MIXER_LINE2]  = {SV_REG_AUX2,      1, 1, 1, SV_DEFAULT_MAX, SV_INPUT_AUX2},
470 	[SOUND_MIXER_VOLUME] = {SV_REG_MIX,       1, 1, 1, SV_DEFAULT_MAX, 0},
471 	[SOUND_MIXER_PCM]    = {SV_REG_PCM,       1, 1, 1, SV_PCM_MAX,     0},
472 	[SOUND_MIXER_RECLEV] = {SV_REG_ADC_INPUT, 1, 0, 0, SV_ADC_MAX, 0},
473 };
474 
475 static void
476 sv_channel_gain(struct sc_info *sc, u_int32_t dev, u_int32_t gain, u_int32_t channel)
477 {
478 	u_int8_t	v;
479 	int32_t		g;
480 
481 	g = mt[dev].max * gain / 100;
482 	if (mt[dev].neg)
483 		g = mt[dev].max - g;
484 	v  = sv_indirect_get(sc, mt[dev].reg + channel) & ~mt[dev].max;
485 	v |= g;
486 
487 	if (mt[dev].mute) {
488 		if (gain == 0) {
489 			v |= SV_MUTE;
490 		} else {
491 			v &= ~SV_MUTE;
492 		}
493 	}
494 	sv_indirect_set(sc, mt[dev].reg + channel, v);
495 }
496 
497 static int
498 sv_gain(struct sc_info *sc, u_int32_t dev, u_int32_t left, u_int32_t right)
499 {
500 	sv_channel_gain(sc, dev, left, 0);
501 	if (mt[dev].stereo)
502 		sv_channel_gain(sc, dev, right, 1);
503 	return 0;
504 }
505 
506 static void
507 sv_mix_mute_all(struct sc_info *sc)
508 {
509 	int32_t i;
510 	for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
511 		if (mt[i].reg) sv_gain(sc, i, 0, 0);
512 	}
513 }
514 
515 static int
516 sv_mix_init(struct snd_mixer *m)
517 {
518 	u_int32_t 	i, v;
519 
520 	for(i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
521 		if (mt[i].max) v |= (1 << i);
522 	}
523 	mix_setdevs(m, v);
524 
525 	for(i = v = 0; i < SOUND_MIXER_NRDEVICES; i++) {
526 		if (mt[i].iselect) v |= (1 << i);
527 	}
528 	mix_setrecdevs(m, v);
529 
530 	return 0;
531 }
532 
533 static int
534 sv_mix_set(struct snd_mixer *m, u_int32_t dev, u_int32_t left, u_int32_t right)
535 {
536 	struct sc_info	*sc = mix_getdevinfo(m);
537 	return sv_gain(sc, dev, left, right);
538 }
539 
540 static int
541 sv_mix_setrecsrc(struct snd_mixer *m, u_int32_t mask)
542 {
543 	struct sc_info	*sc = mix_getdevinfo(m);
544 	u_int32_t	i, v;
545 
546 	v = sv_indirect_get(sc, SV_REG_ADC_INPUT) & SV_INPUT_GAIN_MASK;
547 	for(i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
548 		if ((1 << i) & mask) {
549 			v |= mt[i].iselect;
550 		}
551 	}
552 	DEB(printf("sv_mix_setrecsrc: mask 0x%08x adc_input 0x%02x\n", mask, v));
553 	return mask;
554 }
555 
556 static kobj_method_t sv_mixer_methods[] = {
557         KOBJMETHOD(mixer_init,		sv_mix_init),
558         KOBJMETHOD(mixer_set,		sv_mix_set),
559         KOBJMETHOD(mixer_setrecsrc,	sv_mix_setrecsrc),
560         { 0, 0 }
561 };
562 MIXER_DECLARE(sv_mixer);
563 
564 /* ------------------------------------------------------------------------- */
565 /* Power management and reset */
566 
567 static void
568 sv_power(struct sc_info *sc, int state)
569 {
570 	u_int8_t v;
571 
572         switch (state) {
573         case 0:
574 		/* power on */
575 		v = sv_indirect_get(sc, SV_REG_ANALOG_PWR) &~ SV_ANALOG_OFF;
576 		v |= SV_ANALOG_OFF_SRS | SV_ANALOG_OFF_SPLL;
577 		sv_indirect_set(sc, SV_REG_ANALOG_PWR, v);
578 		v = sv_indirect_get(sc, SV_REG_DIGITAL_PWR) &~ SV_DIGITAL_OFF;
579 		v |= SV_DIGITAL_OFF_SYN | SV_DIGITAL_OFF_MU | SV_DIGITAL_OFF_GP;
580 		sv_indirect_set(sc, SV_REG_DIGITAL_PWR, v);
581                 break;
582         default:
583 		/* power off */
584 		v = sv_indirect_get(sc, SV_REG_ANALOG_PWR) | SV_ANALOG_OFF;
585 		sv_indirect_set(sc, SV_REG_ANALOG_PWR, v);
586 		v = sv_indirect_get(sc, SV_REG_DIGITAL_PWR) | SV_DIGITAL_OFF;
587 		sv_indirect_set(sc, SV_REG_DIGITAL_PWR, SV_DIGITAL_OFF);
588                 break;
589         }
590         DEB(printf("Power state %d\n", state));
591 }
592 
593 static int
594 sv_init(struct sc_info *sc)
595 {
596 	u_int8_t	v;
597 
598 	/* Effect reset */
599 	v  = sv_direct_get(sc, SV_CM_CONTROL) & ~SV_CM_CONTROL_ENHANCED;
600 	v |= SV_CM_CONTROL_RESET;
601 	sv_direct_set(sc, SV_CM_CONTROL, v);
602 	DELAY(50);
603 
604 	v = sv_direct_get(sc, SV_CM_CONTROL) & ~SV_CM_CONTROL_RESET;
605 	sv_direct_set(sc, SV_CM_CONTROL, v);
606 	DELAY(50);
607 
608 	/* Set in enhanced mode */
609 	v = sv_direct_get(sc, SV_CM_CONTROL);
610 	v |= SV_CM_CONTROL_ENHANCED;
611 	sv_direct_set(sc, SV_CM_CONTROL, v);
612 
613 	/* Enable interrupts (UDM and MIDM are superfluous) */
614 	v = sv_direct_get(sc, SV_CM_IMR);
615 	v &= ~(SV_CM_IMR_AMSK | SV_CM_IMR_CMSK | SV_CM_IMR_SMSK);
616 	sv_direct_set(sc, SV_CM_IMR, v);
617 
618 	/* Select ADC PLL for ADC clock */
619 	v = sv_indirect_get(sc, SV_REG_CLOCK_SOURCE) & ~SV_CLOCK_ALTERNATE;
620 	sv_indirect_set(sc, SV_REG_CLOCK_SOURCE, v);
621 
622 	/* Disable loopback - binds ADC and DAC rates */
623 	v = sv_indirect_get(sc, SV_REG_LOOPBACK) & ~SV_LOOPBACK_ENABLE;
624 	sv_indirect_set(sc, SV_REG_LOOPBACK, v);
625 
626 	/* Disable SRS */
627 	v = sv_indirect_get(sc, SV_REG_SRS_SPACE) | SV_SRS_DISABLED;
628 	sv_indirect_set(sc, SV_REG_SRS_SPACE, v);
629 
630 	/* Get revision */
631 	sc->rev = sv_indirect_get(sc, SV_REG_REVISION);
632 
633 	return 0;
634 }
635 
636 static int
637 sv_suspend(device_t dev)
638 {
639 	struct sc_info	*sc = pcm_getdevinfo(dev);
640 
641 	sc->rch.dma_was_active = sc->rch.dma_active;
642 	svrchan_trigger(NULL, &sc->rch, PCMTRIG_ABORT);
643 
644 	sc->pch.dma_was_active = sc->pch.dma_active;
645 	svrchan_trigger(NULL, &sc->pch, PCMTRIG_ABORT);
646 
647 	sv_mix_mute_all(sc);
648 	sv_power(sc, 3);
649 
650 	return 0;
651 }
652 
653 static int
654 sv_resume(device_t dev)
655 {
656 	struct sc_info	*sc = pcm_getdevinfo(dev);
657 
658 	sv_mix_mute_all(sc);
659 	sv_power(sc, 0);
660 	if (sv_init(sc) == -1) {
661 		device_printf(dev, "unable to reinitialize the card\n");
662 		return ENXIO;
663 	}
664 
665 	if (mixer_reinit(dev) == -1) {
666 		device_printf(dev, "unable to reinitialize the mixer\n");
667                 return ENXIO;
668         }
669 
670 	if (sc->rch.dma_was_active) {
671 		svrchan_trigger(0, &sc->rch, PCMTRIG_START);
672 	}
673 
674 	if (sc->pch.dma_was_active) {
675 		svpchan_trigger(0, &sc->pch, PCMTRIG_START);
676 	}
677 
678 	return 0;
679 }
680 
681 /* ------------------------------------------------------------------------- */
682 /* Resource related */
683 
684 static void
685 sv_intr(void *data)
686 {
687 	struct sc_info	*sc = data;
688 	u_int8_t	status;
689 
690 	status = sv_direct_get(sc, SV_CM_STATUS);
691 	if (status & SV_CM_STATUS_AINT)
692 		chn_intr(sc->pch.channel);
693 
694 	if (status & SV_CM_STATUS_CINT)
695 		chn_intr(sc->rch.channel);
696 
697 	status &= ~(SV_CM_STATUS_AINT|SV_CM_STATUS_CINT);
698 	DEB(if (status) printf("intr 0x%02x ?\n", status));
699 
700 	return;
701 }
702 
703 static int
704 sv_probe(device_t dev)
705 {
706 	switch(pci_get_devid(dev)) {
707 	case SV_PCI_ID:
708 		device_set_desc(dev, "S3 Sonicvibes");
709 		return 0;
710 	default:
711 		return ENXIO;
712 	}
713 }
714 
715 static int
716 sv_attach(device_t dev) {
717 	struct snddev_info	*d;
718 	struct sc_info	*sc;
719 	u_int32_t	data;
720 	char		status[SND_STATUSLEN];
721 	u_long		midi_start, games_start, count, sdmaa, sdmac, ml, mu;
722 
723 	d = device_get_softc(dev);
724 
725 	sc = malloc(sizeof(struct sc_info), M_DEVBUF, M_NOWAIT | M_ZERO);
726 	if (sc == NULL) {
727 		device_printf(dev, "cannot allocate softc");
728 		return ENXIO;
729 	}
730 	sc->dev = dev;
731 
732 	data = pci_read_config(dev, PCIR_COMMAND, 2);
733 	data |= (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN);
734 	pci_write_config(dev, PCIR_COMMAND, data, 2);
735 	data = pci_read_config(dev, PCIR_COMMAND, 2);
736 
737 #if defined(__FreeBSD__) && __FreeBSD_version > 500000
738         if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
739                 device_printf(dev, "chip is in D%d power mode "
740                               "-- setting to D0\n", pci_get_powerstate(dev));
741                 pci_set_powerstate(dev, PCI_POWERSTATE_D0);
742         }
743 #endif
744 	sc->enh_rid  = SV_PCI_ENHANCED;
745 	sc->enh_type = SYS_RES_IOPORT;
746 	sc->enh_reg  = bus_alloc_resource(dev, sc->enh_type,
747 					  &sc->enh_rid, 0, ~0,
748 					  SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
749 	if (sc->enh_reg == NULL) {
750 		device_printf(dev, "sv_attach: cannot allocate enh\n");
751 		return ENXIO;
752 	}
753 	sc->enh_st = rman_get_bustag(sc->enh_reg);
754 	sc->enh_sh = rman_get_bushandle(sc->enh_reg);
755 
756 	data = pci_read_config(dev, SV_PCI_DMAA, 4);
757 	DEB(printf("sv_attach: initial dmaa 0x%08x\n", data));
758 	data = pci_read_config(dev, SV_PCI_DMAC, 4);
759 	DEB(printf("sv_attach: initial dmac 0x%08x\n", data));
760 
761 	/* Initialize DMA_A and DMA_C */
762 	pci_write_config(dev, SV_PCI_DMAA, SV_PCI_DMA_EXTENDED, 4);
763 	pci_write_config(dev, SV_PCI_DMAC, 0, 4);
764 
765 	/* Register IRQ handler */
766 	sc->irqid = 0;
767         sc->irq   = bus_alloc_resource(dev, SYS_RES_IRQ, &sc->irqid,
768 				       0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
769         if (!sc->irq ||
770 	    bus_setup_intr(dev, sc->irq, INTR_TYPE_AV, sv_intr, sc, &sc->ih)) {
771                 device_printf(dev, "sv_attach: Unable to map interrupt\n");
772                 goto fail;
773         }
774 
775 	sc->bufsz = pcm_getbuffersize(dev, 4096, SV_DEFAULT_BUFSZ, 65536);
776         if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
777                                /*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
778                                /*highaddr*/BUS_SPACE_MAXADDR,
779                                /*filter*/NULL, /*filterarg*/NULL,
780                                /*maxsize*/sc->bufsz, /*nsegments*/1,
781                                /*maxsegz*/0x3ffff, /*flags*/0,
782                                &sc->parent_dmat) != 0) {
783                 device_printf(dev, "sv_attach: Unable to create dma tag\n");
784                 goto fail;
785         }
786 
787 	/* Power up and initialize */
788 	sv_mix_mute_all(sc);
789 	sv_power(sc, 0);
790 	sv_init(sc);
791 
792 	if (mixer_init(dev, &sv_mixer_class, sc) != 0) {
793 		device_printf(dev, "sv_attach: Mixer failed to initialize\n");
794 		goto fail;
795 	}
796 
797 	/* XXX This is a hack, and it's ugly.  Okay, the deal is this
798 	 * card has two more io regions that available for automatic
799 	 * configuration by the pci code.  These need to be allocated
800 	 * to used as control registers for the DMA engines.
801 	 * Unfortunately FBSD has no bus_space_foo() functions so we
802 	 * have to grab port space in region of existing resources.  Go
803 	 * for space between midi and game ports.
804 	 */
805 	bus_get_resource(dev, SYS_RES_IOPORT, SV_PCI_MIDI, &midi_start, &count);
806 	bus_get_resource(dev, SYS_RES_IOPORT, SV_PCI_GAMES, &games_start, &count);
807 
808 	if (games_start < midi_start) {
809 		ml = games_start;
810 		mu = midi_start;
811 	} else {
812 		ml = midi_start;
813 		mu = games_start;
814 	}
815 	/* Check assumptions about space availability and
816            alignment. How driver loaded can determine whether
817            games_start > midi_start or vice versa */
818 	if ((mu - ml >= 0x800)  ||
819 	    ((mu - ml) % 0x200)) {
820 		device_printf(dev, "sv_attach: resource assumptions not met "
821 			      "(midi 0x%08lx, games 0x%08lx)\n",
822 			      midi_start, games_start);
823 		goto fail;
824 	}
825 
826 	sdmaa = ml + 0x40;
827 	sdmac = sdmaa + 0x40;
828 
829 	/* Add resources to list of pci resources for this device - from here on
830 	 * they look like normal pci resources. */
831 	bus_set_resource(dev, SYS_RES_IOPORT, SV_PCI_DMAA, sdmaa, SV_PCI_DMAA_SIZE);
832 	bus_set_resource(dev, SYS_RES_IOPORT, SV_PCI_DMAC, sdmac, SV_PCI_DMAC_SIZE);
833 
834 	/* Cache resource short-cuts for dma_a */
835 	sc->dmaa_rid = SV_PCI_DMAA;
836 	sc->dmaa_type = SYS_RES_IOPORT;
837 	sc->dmaa_reg  = bus_alloc_resource(dev, sc->dmaa_type,
838 					   &sc->dmaa_rid, 0, ~0,
839 					   SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
840 	if (sc->dmaa_reg == NULL) {
841 		device_printf(dev, "sv_attach: cannot allocate dmaa\n");
842 		goto fail;
843 	}
844 	sc->dmaa_st = rman_get_bustag(sc->dmaa_reg);
845 	sc->dmaa_sh = rman_get_bushandle(sc->dmaa_reg);
846 
847 	/* Poke port into dma_a configuration, nb bit flags to enable dma */
848 	data = pci_read_config(dev, SV_PCI_DMAA, 4) | SV_PCI_DMA_ENABLE | SV_PCI_DMA_EXTENDED;
849 	data = ((u_int32_t)sdmaa & 0xfffffff0) | (data & 0x0f);
850 	pci_write_config(dev, SV_PCI_DMAA, data, 4);
851 	DEB(printf("dmaa: 0x%x 0x%x\n", data, pci_read_config(dev, SV_PCI_DMAA, 4)));
852 
853 	/* Cache resource short-cuts for dma_c */
854 	sc->dmac_rid = SV_PCI_DMAC;
855 	sc->dmac_type = SYS_RES_IOPORT;
856 	sc->dmac_reg  = bus_alloc_resource(dev, sc->dmac_type,
857 					   &sc->dmac_rid, 0, ~0,
858 					   SV_PCI_ENHANCED_SIZE, RF_ACTIVE);
859 	if (sc->dmac_reg == NULL) {
860 		device_printf(dev, "sv_attach: cannot allocate dmac\n");
861 		goto fail;
862 	}
863 	sc->dmac_st = rman_get_bustag(sc->dmac_reg);
864 	sc->dmac_sh = rman_get_bushandle(sc->dmac_reg);
865 
866 	/* Poke port into dma_c configuration, nb bit flags to enable dma */
867 	data = pci_read_config(dev, SV_PCI_DMAC, 4) | SV_PCI_DMA_ENABLE | SV_PCI_DMA_EXTENDED;
868 	data = ((u_int32_t)sdmac & 0xfffffff0) | (data & 0x0f);
869 	pci_write_config(dev, SV_PCI_DMAC, data, 4);
870 	DEB(printf("dmac: 0x%x 0x%x\n", data, pci_read_config(dev, SV_PCI_DMAC, 4)));
871 
872 	if (bootverbose)
873 		printf("Sonicvibes: revision %d.\n", sc->rev);
874 
875         if (pcm_register(dev, sc, 1, 1)) {
876 		device_printf(dev, "sv_attach: pcm_register fail\n");
877                 goto fail;
878 	}
879 
880         pcm_addchan(dev, PCMDIR_PLAY, &svpchan_class, sc);
881         pcm_addchan(dev, PCMDIR_REC,  &svrchan_class, sc);
882 
883         snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld",
884                  rman_get_start(sc->enh_reg),  rman_get_start(sc->irq));
885         pcm_setstatus(dev, status);
886 
887         DEB(printf("sv_attach: succeeded\n"));
888 
889 	return 0;
890 
891  fail:
892 	if (sc->parent_dmat)
893 		bus_dma_tag_destroy(sc->parent_dmat);
894         if (sc->ih)
895 		bus_teardown_intr(dev, sc->irq, sc->ih);
896         if (sc->irq)
897 		bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
898 	if (sc->enh_reg)
899 		bus_release_resource(dev, sc->enh_type, sc->enh_rid, sc->enh_reg);
900 	if (sc->dmaa_reg)
901 		bus_release_resource(dev, sc->dmaa_type, sc->dmaa_rid, sc->dmaa_reg);
902 	if (sc->dmac_reg)
903 		bus_release_resource(dev, sc->dmac_type, sc->dmac_rid, sc->dmac_reg);
904 	return ENXIO;
905 }
906 
907 static int
908 sv_detach(device_t dev) {
909 	struct sc_info	*sc;
910 	int		r;
911 
912 	r = pcm_unregister(dev);
913 	if (r) return r;
914 
915 	sc = pcm_getdevinfo(dev);
916 	sv_mix_mute_all(sc);
917 	sv_power(sc, 3);
918 
919 	bus_dma_tag_destroy(sc->parent_dmat);
920 	bus_teardown_intr(dev, sc->irq, sc->ih);
921 	bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
922 	bus_release_resource(dev, sc->enh_type, sc->enh_rid, sc->enh_reg);
923 	bus_release_resource(dev, sc->dmaa_type, sc->dmaa_rid, sc->dmaa_reg);
924 	bus_release_resource(dev, sc->dmac_type, sc->dmac_rid, sc->dmac_reg);
925 
926 	free(sc, M_DEVBUF);
927 
928 	return 0;
929 }
930 
931 static device_method_t sc_methods[] = {
932         DEVMETHOD(device_probe,         sv_probe),
933         DEVMETHOD(device_attach,        sv_attach),
934         DEVMETHOD(device_detach,        sv_detach),
935         DEVMETHOD(device_resume,        sv_resume),
936         DEVMETHOD(device_suspend,       sv_suspend),
937         { 0, 0 }
938 };
939 
940 static driver_t sonicvibes_driver = {
941         "pcm",
942         sc_methods,
943         PCM_SOFTC_SIZE
944 };
945 
946 DRIVER_MODULE(snd_vibes, pci, sonicvibes_driver, pcm_devclass, 0, 0);
947 MODULE_DEPEND(snd_vibes, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
948 MODULE_VERSION(snd_vibes, 1);
949