xref: /freebsd/sys/dev/sound/pci/emu10kx.c (revision 5036d9652a5701d00e9e40ea942c278e9f77d33d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
5  * Copyright (c) 2003-2007 Yuriy Tsibizov <yuriy.tsibizov@gfk.ru>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #include <sys/param.h>
31 #include <sys/types.h>
32 #include <sys/bus.h>
33 #include <machine/bus.h>
34 #include <sys/rman.h>
35 #include <sys/systm.h>
36 #include <sys/sbuf.h>
37 #include <sys/queue.h>
38 #include <sys/lock.h>
39 #include <sys/mutex.h>
40 #include <sys/sysctl.h>
41 #include <sys/kdb.h>
42 
43 #include <dev/pci/pcireg.h>
44 #include <dev/pci/pcivar.h>
45 
46 #include <machine/clock.h>	/* for DELAY */
47 
48 #ifdef HAVE_KERNEL_OPTION_HEADERS
49 #include "opt_snd.h"
50 #endif
51 
52 #include <dev/sound/pcm/sound.h>
53 #include <dev/sound/pcm/ac97.h>
54 
55 #include <dev/sound/pci/emuxkireg.h>
56 #include <dev/sound/pci/emu10kx.h>
57 
58 /* hw flags */
59 #define	HAS_51		0x0001
60 #define	HAS_71		0x0002
61 #define	HAS_AC97	0x0004
62 
63 #define	IS_EMU10K1	0x0008
64 #define	IS_EMU10K2	0x0010
65 #define	IS_CA0102	0x0020
66 #define	IS_CA0108	0x0040
67 #define	IS_UNKNOWN	0x0080
68 
69 #define	BROKEN_DIGITAL	0x0100
70 #define	DIGITAL_ONLY	0x0200
71 
72 #define	IS_CARDBUS	0x0400
73 
74 #define	MODE_ANALOG	1
75 #define	MODE_DIGITAL	2
76 #define	SPDIF_MODE_PCM	1
77 #define	SPDIF_MODE_AC3	2
78 
79 #define	MACS	0x0
80 #define	MACS1	0x1
81 #define	MACW	0x2
82 #define	MACW1	0x3
83 #define	MACINTS	0x4
84 #define	MACINTW	0x5
85 #define	ACC3	0x6
86 #define	MACMV	0x7
87 #define	ANDXOR	0x8
88 #define	TSTNEG	0x9
89 #define	LIMIT	0xA
90 #define	LIMIT1	0xB
91 #define	LOG	0xC
92 #define	EXP	0xD
93 #define	INTERP	0xE
94 #define	SKIP	0xF
95 
96 #define	GPR(i)	(sc->gpr_base+(i))
97 #define	INP(i)	(sc->input_base+(i))
98 #define	OUTP(i)	(sc->output_base+(i))
99 #define	FX(i)	(i)
100 #define	FX2(i)	(sc->efxc_base+(i))
101 #define	DSP_CONST(i) (sc->dsp_zero+(i))
102 
103 #define	COND_NORMALIZED	DSP_CONST(0x1)
104 #define	COND_BORROW	DSP_CONST(0x2)
105 #define	COND_MINUS	DSP_CONST(0x3)
106 #define	COND_LESS_ZERO	DSP_CONST(0x4)
107 #define	COND_EQ_ZERO	DSP_CONST(0x5)
108 #define	COND_SATURATION	DSP_CONST(0x6)
109 #define	COND_NEQ_ZERO	DSP_CONST(0x8)
110 
111 #define	DSP_ACCUM	DSP_CONST(0x16)
112 #define	DSP_CCR		DSP_CONST(0x17)
113 
114 /* Live! Inputs */
115 #define	IN_AC97_L 	0x00
116 #define	IN_AC97_R 	0x01
117 #define	IN_AC97		IN_AC97_L
118 #define	IN_SPDIF_CD_L	0x02
119 #define	IN_SPDIF_CD_R	0x03
120 #define	IN_SPDIF_CD	IN_SPDIF_CD_L
121 #define	IN_ZOOM_L 	0x04
122 #define	IN_ZOOM_R 	0x05
123 #define	IN_ZOOM		IN_ZOOM_L
124 #define	IN_TOSLINK_L	0x06
125 #define	IN_TOSLINK_R	0x07
126 #define	IN_TOSLINK	IN_TOSLINK_L
127 #define	IN_LINE1_L	0x08
128 #define	IN_LINE1_R	0x09
129 #define	IN_LINE1	IN_LINE1_L
130 #define	IN_COAX_SPDIF_L	0x0a
131 #define	IN_COAX_SPDIF_R	0x0b
132 #define	IN_COAX_SPDIF	IN_COAX_SPDIF_L
133 #define	IN_LINE2_L	0x0c
134 #define	IN_LINE2_R	0x0d
135 #define	IN_LINE2	IN_LINE2_L
136 #define	IN_0E		0x0e
137 #define	IN_0F		0x0f
138 
139 /* Outputs */
140 #define	OUT_AC97_L	0x00
141 #define	OUT_AC97_R	0x01
142 #define	OUT_AC97	OUT_AC97_L
143 #define	OUT_A_FRONT	OUT_AC97
144 #define	OUT_TOSLINK_L 	0x02
145 #define	OUT_TOSLINK_R 	0x03
146 #define	OUT_TOSLINK	OUT_TOSLINK_L
147 #define	OUT_D_CENTER	0x04
148 #define	OUT_D_SUB	0x05
149 #define	OUT_HEADPHONE_L	0x06
150 #define	OUT_HEADPHONE_R	0x07
151 #define	OUT_HEADPHONE	OUT_HEADPHONE_L
152 #define	OUT_REAR_L	0x08
153 #define	OUT_REAR_R	0x09
154 #define	OUT_REAR	OUT_REAR_L
155 #define	OUT_ADC_REC_L 	0x0a
156 #define	OUT_ADC_REC_R	0x0b
157 #define	OUT_ADC_REC	OUT_ADC_REC_L
158 #define	OUT_MIC_CAP	0x0c
159 
160 /* Live! 5.1 Digital, non-standard 5.1 (center & sub) outputs */
161 #define	OUT_A_CENTER	0x11
162 #define	OUT_A_SUB	0x12
163 
164 /* Audigy Inputs */
165 #define	A_IN_AC97_L	0x00
166 #define	A_IN_AC97_R	0x01
167 #define	A_IN_AC97	A_IN_AC97_L
168 #define	A_IN_SPDIF_CD_L	0x02
169 #define	A_IN_SPDIF_CD_R	0x03
170 #define	A_IN_SPDIF_CD	A_IN_SPDIF_CD_L
171 #define	A_IN_O_SPDIF_L	0x04
172 #define	A_IN_O_SPDIF_R	0x05
173 #define	A_IN_O_SPDIF	A_IN_O_SPDIF_L
174 #define	A_IN_LINE2_L	0x08
175 #define	A_IN_LINE2_R	0x09
176 #define	A_IN_LINE2	A_IN_LINE2_L
177 #define	A_IN_R_SPDIF_L	0x0a
178 #define	A_IN_R_SPDIF_R	0x0b
179 #define	A_IN_R_SPDIF	A_IN_R_SPDIF_L
180 #define	A_IN_AUX2_L	0x0c
181 #define	A_IN_AUX2_R	0x0d
182 #define	A_IN_AUX2	A_IN_AUX2_L
183 
184 /* Audigy Outputs */
185 #define	A_OUT_D_FRONT_L	0x00
186 #define	A_OUT_D_FRONT_R	0x01
187 #define	A_OUT_D_FRONT	A_OUT_D_FRONT_L
188 #define	A_OUT_D_CENTER	0x02
189 #define	A_OUT_D_SUB	0x03
190 #define	A_OUT_D_SIDE_L	0x04
191 #define	A_OUT_D_SIDE_R	0x05
192 #define	A_OUT_D_SIDE	A_OUT_D_SIDE_L
193 #define	A_OUT_D_REAR_L	0x06
194 #define	A_OUT_D_REAR_R	0x07
195 #define	A_OUT_D_REAR	A_OUT_D_REAR_L
196 
197 /* on Audigy Platinum only */
198 #define	A_OUT_HPHONE_L	0x04
199 #define	A_OUT_HPHONE_R	0x05
200 #define	A_OUT_HPHONE	A_OUT_HPHONE_L
201 
202 #define	A_OUT_A_FRONT_L	0x08
203 #define	A_OUT_A_FRONT_R	0x09
204 #define	A_OUT_A_FRONT	A_OUT_A_FRONT_L
205 #define	A_OUT_A_CENTER	0x0a
206 #define	A_OUT_A_SUB	0x0b
207 #define	A_OUT_A_SIDE_L	0x0c
208 #define	A_OUT_A_SIDE_R	0x0d
209 #define	A_OUT_A_SIDE	A_OUT_A_SIDE_L
210 #define	A_OUT_A_REAR_L	0x0e
211 #define	A_OUT_A_REAR_R	0x0f
212 #define	A_OUT_A_REAR	A_OUT_A_REAR_L
213 #define	A_OUT_AC97_L	0x10
214 #define	A_OUT_AC97_R	0x11
215 #define	A_OUT_AC97	A_OUT_AC97_L
216 #define	A_OUT_ADC_REC_L	0x16
217 #define	A_OUT_ADC_REC_R	0x17
218 #define	A_OUT_ADC_REC	A_OUT_ADC_REC_L
219 
220 #define EMU_DATA2	0x24
221 #define EMU_IPR2	0x28
222 #define EMU_INTE2	0x2c
223 #define EMU_IPR3	0x38
224 #define EMU_INTE3	0x3c
225 
226 #define EMU_A2_SRCSel		0x60
227 #define EMU_A2_SRCMULTI_ENABLE	0x6e
228 
229 #define EMU_A_I2S_CAPTURE_96000	0x00000400
230 
231 #define EMU_A2_MIXER_I2S_ENABLE           0x7B
232 #define EMU_A2_MIXER_SPDIF_ENABLE         0x7A
233 
234 #define	C_FRONT_L	0
235 #define	C_FRONT_R	1
236 #define	C_REC_L		2
237 #define	C_REC_R		3
238 #define	C_REAR_L	4
239 #define	C_REAR_R	5
240 #define	C_CENTER	6
241 #define	C_SUB		7
242 #define	C_SIDE_L	8
243 #define	C_SIDE_R	9
244 #define	NUM_CACHES	10
245 
246 #define	CDSPDIFMUTE	0
247 #define	ANALOGMUTE	1
248 #define	NUM_MUTE	2
249 
250 #define	EMU_MAX_GPR	512
251 #define	EMU_MAX_IRQ_CONSUMERS 32
252 
253 struct emu_voice {
254 	int	vnum;
255 	unsigned int	b16:1, stereo:1, busy:1, running:1, ismaster:1;
256 	int	speed;
257 	int	start;
258 	int	end;
259 	int	vol;
260 	uint32_t buf;
261 	void	*vbuf;
262 	struct emu_voice *slave;
263 	uint32_t sa;
264 	uint32_t ea;
265 	uint32_t routing[8];
266 	uint32_t amounts[8];
267 };
268 
269 struct emu_memblk {
270 	SLIST_ENTRY(emu_memblk)	link;
271 	void		*buf;
272 	char		owner[16];
273 	bus_addr_t	buf_addr;
274 	uint32_t	pte_start, pte_size;
275 	bus_dmamap_t	buf_map;
276 };
277 
278 struct emu_mem {
279 	uint8_t		bmap[EMU_MAXPAGES / 8];
280 	uint32_t	*ptb_pages;
281 	void		*silent_page;
282 	bus_addr_t	ptb_pages_addr;
283 	bus_addr_t	silent_page_addr;
284 	bus_dmamap_t	ptb_map;
285 	bus_dmamap_t	silent_map;
286 	bus_dma_tag_t	dmat;
287 	struct emu_sc_info *card;
288 	SLIST_HEAD(, emu_memblk) blocks;
289 };
290 
291 /* rm */
292 struct emu_rm {
293 	struct emu_sc_info *card;
294 	struct mtx	gpr_lock;
295 	signed int	allocmap[EMU_MAX_GPR];
296 	int		num_gprs;
297 	int		last_free_gpr;
298 	int 		num_used;
299 };
300 
301 struct emu_intr_handler {
302 	void*		softc;
303 	uint32_t	intr_mask;
304 	uint32_t	inte_mask;
305 	uint32_t(*irq_func) (void *softc, uint32_t irq);
306 };
307 
308 struct emu_sc_info {
309 	struct mtx	lock;
310 	struct mtx	rw;		/* Hardware exclusive access lock */
311 
312 	/* Hardware and subdevices */
313 	device_t	dev;
314 	device_t	pcm[RT_COUNT];
315 	device_t	midi[2];
316 	uint32_t	type;
317 	uint32_t	rev;
318 
319 	bus_space_tag_t	st;
320 	bus_space_handle_t sh;
321 
322 	struct cdev	*cdev;		/* /dev/emu10k character device */
323 	struct mtx	emu10kx_lock;
324 	int		emu10kx_isopen;
325 	struct sbuf	emu10kx_sbuf;
326 	int		emu10kx_bufptr;
327 
328 	/* Resources */
329 	struct resource	*reg;
330 	struct resource	*irq;
331 	void 		*ih;
332 
333 	/* IRQ handlers */
334 	struct emu_intr_handler ihandler[EMU_MAX_IRQ_CONSUMERS];
335 
336 	/* Card HW configuration */
337 	unsigned int	mode;	/* analog / digital */
338 	unsigned int	mchannel_fx;
339 	unsigned int	dsp_zero;
340 	unsigned int	code_base;
341 	unsigned int	code_size;
342 	unsigned int	gpr_base;
343 	unsigned int	num_gprs;
344 	unsigned int	input_base;
345 	unsigned int	output_base;
346 	unsigned int	efxc_base;
347 	unsigned int	opcode_shift;
348 	unsigned int	high_operand_shift;
349 	unsigned int	address_mask;
350 	uint32_t 	is_emu10k1:1, is_emu10k2, is_ca0102, is_ca0108:1,
351 			has_ac97:1, has_51:1, has_71:1,
352 			enable_ir:1,
353 			broken_digital:1, is_cardbus:1;
354 
355 	signed int	mch_disabled, mch_rec, dbg_level;
356 	signed int 	num_inputs;
357 	unsigned int 	num_outputs;
358 	unsigned int 	num_fxbuses;
359 	unsigned int 	routing_code_start;
360 	unsigned int	routing_code_end;
361 
362 	/* HW resources */
363 	struct emu_voice voice[NUM_G];			/* Hardware voices */
364 	uint32_t	irq_mask[EMU_MAX_IRQ_CONSUMERS]; /* IRQ manager data */
365 	int 		timer[EMU_MAX_IRQ_CONSUMERS];	/* timer */
366 	int		timerinterval;
367 	struct		emu_rm *rm;
368 	struct		emu_mem mem;			/* memory */
369 
370 	/* Mixer */
371 	int		mixer_gpr[NUM_MIXERS];
372 	int		mixer_volcache[NUM_MIXERS];
373 	int		cache_gpr[NUM_CACHES];
374 	int		dummy_gpr;
375 	int		mute_gpr[NUM_MUTE];
376 	struct sysctl_ctx_list	*ctx;
377 	struct sysctl_oid	*root;
378 };
379 
380 static void	emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error);
381 static void*	emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, bus_dmamap_t *map);
382 static void	emu_free(struct emu_mem *mem, void *dmabuf, bus_dmamap_t map);
383 static void*	emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char * owner);
384 static int	emu_memfree(struct emu_mem *mem, void *membuf);
385 static int	emu_memstart(struct emu_mem *mem, void *membuf);
386 
387 /* /dev */
388 static int	emu10kx_dev_init(struct emu_sc_info *sc);
389 static int	emu10kx_dev_uninit(struct emu_sc_info *sc);
390 static int	emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s);
391 
392 static void	emumix_set_mode(struct emu_sc_info *sc, int mode);
393 static void	emumix_set_spdif_mode(struct emu_sc_info *sc, int mode);
394 static void	emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol);
395 static void	emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val);
396 static int	sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS);
397 
398 static int	emu_rm_init(struct emu_sc_info *sc);
399 static int	emu_rm_uninit(struct emu_sc_info *sc);
400 static int	emu_rm_gpr_alloc(struct emu_rm *rm, int count);
401 
402 static unsigned int emu_getcard(device_t dev);
403 static uint32_t	emu_rd_nolock(struct emu_sc_info *sc, unsigned int regno, unsigned int size);
404 static void	emu_wr_nolock(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size);
405 static void	emu_wr_cbptr(struct emu_sc_info *sc, uint32_t data);
406 
407 static void	emu_vstop(struct emu_sc_info *sc, char channel, int enable);
408 
409 static void	emu_intr(void *p);
410 static void	emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data);
411 static void	emu_addefxop(struct emu_sc_info *sc, unsigned int op, unsigned int z, unsigned int w, unsigned int x, unsigned int y, uint32_t * pc);
412 static void	emu_initefx(struct emu_sc_info *sc);
413 
414 static int	emu_cardbus_init(struct emu_sc_info *sc);
415 static int	emu_init(struct emu_sc_info *sc);
416 static int	emu_uninit(struct emu_sc_info *sc);
417 
418 static int	emu_read_ivar(device_t bus __unused, device_t dev, int ivar_index, uintptr_t * result);
419 static int	emu_write_ivar(device_t bus __unused, device_t dev __unused,
420     int ivar_index, uintptr_t value __unused);
421 
422 static int	emu_pci_probe(device_t dev);
423 static int	emu_pci_attach(device_t dev);
424 static int	emu_pci_detach(device_t dev);
425 static int	emu_modevent(module_t mod __unused, int cmd, void *data __unused);
426 
427 #ifdef	SND_EMU10KX_DEBUG
428 
429 #define EMU_MTX_DEBUG() do { 						\
430 		if (mtx_owned(&sc->rw)) {				\
431 		printf("RW owned in %s line %d for %s\n", __func__,	\
432 			__LINE__ , device_get_nameunit(sc->dev));	\
433 		printf("rw lock owned: %d\n", mtx_owned(&sc->rw));	\
434 		printf("rw lock: value %x thread %x\n",			\
435 			((&sc->rw)->mtx_lock & ~MTX_FLAGMASK), 		\
436 			(uintptr_t)curthread);				\
437 		printf("rw lock: recursed %d\n", mtx_recursed(&sc->rw));\
438 		db_show_mtx(&sc->rw);					\
439 		}							\
440 	} while (0)
441 #else
442 #define EMU_MTX_DEBUG() do { 						\
443 	} while (0)
444 #endif
445 
446 #define EMU_RWLOCK() do {		\
447 	EMU_MTX_DEBUG();		\
448 	mtx_lock(&(sc->rw));		\
449 	} while (0)
450 
451 #define EMU_RWUNLOCK() do {		\
452 	mtx_unlock(&(sc->rw));		\
453 	EMU_MTX_DEBUG();		\
454 	} while (0)
455 
456 /* Supported cards */
457 struct emu_hwinfo {
458 	uint16_t	vendor;
459 	uint16_t	device;
460 	uint16_t	subvendor;
461 	uint16_t	subdevice;
462 	char		SBcode[8];
463 	char		desc[32];
464 	int		flags;
465 };
466 
467 static struct emu_hwinfo emu_cards[] = {
468 	{0xffff, 0xffff, 0xffff, 0xffff, "BADCRD", "Not a compatible card", 0},
469 	/* 0x0020..0x002f 4.0 EMU10K1 cards */
470 	{0x1102, 0x0002, 0x1102, 0x0020, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
471 	{0x1102, 0x0002, 0x1102, 0x0021, "CT4620", "SBLive!", HAS_AC97 | IS_EMU10K1},
472 	{0x1102, 0x0002, 0x1102, 0x002f, "CT????", "SBLive! mainboard implementation", HAS_AC97 | IS_EMU10K1},
473 
474 	/* (range unknown) 5.1 EMU10K1 cards */
475 	{0x1102, 0x0002, 0x1102, 0x100a, "CT????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
476 
477 	/* 0x80??..0x805? 4.0 EMU10K1 cards */
478 	{0x1102, 0x0002, 0x1102, 0x8022, "CT4780", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
479 	{0x1102, 0x0002, 0x1102, 0x8023, "CT4790", "SB PCI512", HAS_AC97 | IS_EMU10K1},
480 	{0x1102, 0x0002, 0x1102, 0x8024, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
481 	{0x1102, 0x0002, 0x1102, 0x8025, "CT????", "SBLive! Mainboard Implementation", HAS_AC97 | IS_EMU10K1},
482 	{0x1102, 0x0002, 0x1102, 0x8026, "CT4830", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
483 	{0x1102, 0x0002, 0x1102, 0x8027, "CT4832", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
484 	{0x1102, 0x0002, 0x1102, 0x8028, "CT4760", "SBLive! OEM version", HAS_AC97 | IS_EMU10K1},
485 	{0x1102, 0x0002, 0x1102, 0x8031, "CT4831", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
486 	{0x1102, 0x0002, 0x1102, 0x8040, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
487 	{0x1102, 0x0002, 0x1102, 0x8051, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
488 
489 	/* 0x8061..0x???? 5.1 EMU10K1  cards */
490 	{0x1102, 0x0002, 0x1102, 0x8061, "SB????", "SBLive! Player 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
491 	{0x1102, 0x0002, 0x1102, 0x8062, "CT4830", "SBLive! 1024", HAS_AC97 | HAS_51 | IS_EMU10K1},
492 	{0x1102, 0x0002, 0x1102, 0x8064, "SB????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
493 	{0x1102, 0x0002, 0x1102, 0x8065, "SB0220", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
494 	{0x1102, 0x0002, 0x1102, 0x8066, "CT4780", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
495 	{0x1102, 0x0002, 0x1102, 0x8067, "SB????", "SBLive!", HAS_AC97 | HAS_51 | IS_EMU10K1},
496 
497 	/* Generic SB Live! */
498 	{0x1102, 0x0002, 0x1102, 0x0000, "SB????", "SBLive! (Unknown model)", HAS_AC97 | IS_EMU10K1},
499 
500 	/* 0x0041..0x0043 EMU10K2 (some kind of Audigy) cards */
501 
502 	/* 0x0051..0x0051 5.1 CA0100-IAF cards */
503 	{0x1102, 0x0004, 0x1102, 0x0051, "SB0090", "Audigy", HAS_AC97 | HAS_51 | IS_EMU10K2},
504 	/* ES is CA0100-IDF chip that don't work in digital mode */
505 	{0x1102, 0x0004, 0x1102, 0x0052, "SB0160", "Audigy ES", HAS_AC97 | HAS_71 | IS_EMU10K2 | BROKEN_DIGITAL},
506 	/* 0x0053..0x005C 5.1 CA0101-NAF cards */
507 	{0x1102, 0x0004, 0x1102, 0x0053, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
508 	{0x1102, 0x0004, 0x1102, 0x0058, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
509 
510 	/* 0x1002..0x1009 5.1 CA0102-IAT cards */
511 	{0x1102, 0x0004, 0x1102, 0x1002, "SB????", "Audigy 2 Platinum", HAS_51 | IS_CA0102},
512 	{0x1102, 0x0004, 0x1102, 0x1005, "SB????", "Audigy 2 Platinum EX", HAS_51 | IS_CA0102},
513 	{0x1102, 0x0004, 0x1102, 0x1007, "SB0240", "Audigy 2", HAS_AC97 | HAS_51 | IS_CA0102},
514 
515 	/* 0x2001..0x2003 7.1 CA0102-ICT cards */
516 	{0x1102, 0x0004, 0x1102, 0x2001, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
517 	{0x1102, 0x0004, 0x1102, 0x2002, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
518 	/* XXX No reports about 0x2003 & 0x2004 cards */
519 	{0x1102, 0x0004, 0x1102, 0x2003, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
520 	{0x1102, 0x0004, 0x1102, 0x2004, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
521 	{0x1102, 0x0004, 0x1102, 0x2005, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
522 
523 	/* (range unknown) 7.1 CA0102-xxx Audigy 4 cards */
524 	{0x1102, 0x0004, 0x1102, 0x2007, "SB0380", "Audigy 4 Pro", HAS_AC97 | HAS_71 | IS_CA0102},
525 
526 	/* Generic Audigy or Audigy 2 */
527 	{0x1102, 0x0004, 0x1102, 0x0000, "SB????", "Audigy (Unknown model)", HAS_AC97 | HAS_51 | IS_EMU10K2},
528 
529 	/* We don't support CA0103-DAT (Audigy LS) cards */
530 	/* There is NO CA0104-xxx cards */
531 	/* There is NO CA0105-xxx cards */
532 	/* We don't support CA0106-DAT (SB Live! 24 bit) cards */
533 	/* There is NO CA0107-xxx cards */
534 
535 	/* 0x1000..0x1001 7.1 CA0108-IAT cards */
536 	{0x1102, 0x0008, 0x1102, 0x1000, "SB????", "Audigy 2 LS", HAS_AC97 | HAS_51 | IS_CA0108 | DIGITAL_ONLY},
537 	{0x1102, 0x0008, 0x1102, 0x1001, "SB0400", "Audigy 2 Value", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
538 	{0x1102, 0x0008, 0x1102, 0x1021, "SB0610", "Audigy 4", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
539 
540 	{0x1102, 0x0008, 0x1102, 0x2001, "SB0530", "Audigy 2 ZS CardBus", HAS_AC97 | HAS_71 | IS_CA0108 | IS_CARDBUS},
541 
542 	{0x1102, 0x0008, 0x0000, 0x0000, "SB????", "Audigy 2 Value (Unknown model)", HAS_AC97 | HAS_51 | IS_CA0108},
543 };
544 /* Unsupported cards */
545 
546 static struct emu_hwinfo emu_bad_cards[] = {
547 	/* APS cards should be possible to support */
548 	{0x1102, 0x0002, 0x1102, 0x4001, "EMUAPS", "E-mu APS", 0},
549 	{0x1102, 0x0002, 0x1102, 0x4002, "EMUAPS", "E-mu APS", 0},
550 	{0x1102, 0x0004, 0x1102, 0x4001, "EMU???", "E-mu 1212m [4001]", 0},
551 	/* Similar-named ("Live!" or "Audigy") cards on different chipsets */
552 	{0x1102, 0x8064, 0x0000, 0x0000, "SB0100", "SBLive! 5.1 OEM", 0},
553 	{0x1102, 0x0006, 0x0000, 0x0000, "SB0200", "DELL OEM SBLive! Value", 0},
554 	{0x1102, 0x0007, 0x0000, 0x0000, "SB0310", "Audigy LS", 0},
555 };
556 
557 /*
558  * Get best known information about device.
559  */
560 static unsigned int
561 emu_getcard(device_t dev)
562 {
563 	uint16_t device;
564 	uint16_t subdevice;
565 	unsigned int thiscard;
566 	int i;
567 
568 	device = pci_read_config(dev, PCIR_DEVICE, /* bytes */ 2);
569 	subdevice = pci_read_config(dev, PCIR_SUBDEV_0, /* bytes */ 2);
570 
571 	thiscard = 0;
572 	for (i = 1; i < nitems(emu_cards); i++) {
573 		if (device == emu_cards[i].device) {
574 			if (subdevice == emu_cards[i].subdevice) {
575 				thiscard = i;
576 				break;
577 			}
578 			if (0x0000 == emu_cards[i].subdevice) {
579 				thiscard = i;
580 				/*
581 				 * don't break, we can get more specific card
582 				 * later in the list.
583 				 */
584 			}
585 		}
586 	}
587 
588 	for (i = 0; i < nitems(emu_bad_cards); i++) {
589 		if (device == emu_bad_cards[i].device) {
590 			if (subdevice == emu_bad_cards[i].subdevice) {
591 				thiscard = 0;
592 				break;
593 			}
594 			if (0x0000 == emu_bad_cards[i].subdevice) {
595 				thiscard = 0;
596 				break;	/* we avoid all this cards */
597 			}
598 		}
599 	}
600 	return (thiscard);
601 }
602 
603 /*
604  * Base hardware interface are 32 (Audigy) or 64 (Audigy2) registers.
605  * Some of them are used directly, some of them provide pointer / data pairs.
606  */
607 static uint32_t
608 emu_rd_nolock(struct emu_sc_info *sc, unsigned int regno, unsigned int size)
609 {
610 
611 	KASSERT(sc != NULL, ("emu_rd: NULL sc"));
612 	switch (size) {
613 	case 1:
614 		return (bus_space_read_1(sc->st, sc->sh, regno));
615 	case 2:
616 		return (bus_space_read_2(sc->st, sc->sh, regno));
617 	case 4:
618 		return (bus_space_read_4(sc->st, sc->sh, regno));
619 	}
620 	return (0xffffffff);
621 }
622 
623 static void
624 emu_wr_nolock(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size)
625 {
626 
627 	KASSERT(sc != NULL, ("emu_rd: NULL sc"));
628 	switch (size) {
629 	case 1:
630 		bus_space_write_1(sc->st, sc->sh, regno, data);
631 		break;
632 	case 2:
633 		bus_space_write_2(sc->st, sc->sh, regno, data);
634 		break;
635 	case 4:
636 		bus_space_write_4(sc->st, sc->sh, regno, data);
637 		break;
638 	}
639 }
640 /*
641  * EMU_PTR / EMU_DATA interface. Access to EMU10Kx is made
642  * via (channel, register) pair. Some registers are channel-specific,
643  * some not.
644  */
645 uint32_t
646 emu_rdptr(struct emu_sc_info *sc, unsigned int chn, unsigned int reg)
647 {
648 	uint32_t ptr, val, mask, size, offset;
649 
650 	ptr = ((reg << 16) & sc->address_mask) | (chn & EMU_PTR_CHNO_MASK);
651 
652 	EMU_RWLOCK();
653 	emu_wr_nolock(sc, EMU_PTR, ptr, 4);
654 	val = emu_rd_nolock(sc, EMU_DATA, 4);
655 	EMU_RWUNLOCK();
656 
657 	/*
658 	 * XXX Some register numbers has data size and offset encoded in
659 	 * it to get only part of 32bit register. This use is not described
660 	 * in register name, be careful!
661 	 */
662 	if (reg & 0xff000000) {
663 		size = (reg >> 24) & 0x3f;
664 		offset = (reg >> 16) & 0x1f;
665 		mask = ((1 << size) - 1) << offset;
666 		val &= mask;
667 		val >>= offset;
668 	}
669 	return (val);
670 }
671 
672 void
673 emu_wrptr(struct emu_sc_info *sc, unsigned int chn, unsigned int reg, uint32_t data)
674 {
675 	uint32_t ptr, mask, size, offset;
676 
677 	ptr = ((reg << 16) & sc->address_mask) | (chn & EMU_PTR_CHNO_MASK);
678 
679 	EMU_RWLOCK();
680 	emu_wr_nolock(sc, EMU_PTR, ptr, 4);
681 	/*
682 	 * XXX Another kind of magic encoding in register number. This can
683 	 * give you side effect - it will read previous data from register
684 	 * and change only required bits.
685 	 */
686 	if (reg & 0xff000000) {
687 		size = (reg >> 24) & 0x3f;
688 		offset = (reg >> 16) & 0x1f;
689 		mask = ((1 << size) - 1) << offset;
690 		data <<= offset;
691 		data &= mask;
692 		data |= emu_rd_nolock(sc, EMU_DATA, 4) & ~mask;
693 	}
694 	emu_wr_nolock(sc, EMU_DATA, data, 4);
695 	EMU_RWUNLOCK();
696 }
697 /*
698  * EMU_A2_PTR / EMU_DATA2 interface. Access to P16v is made
699  * via (channel, register) pair. Some registers are channel-specific,
700  * some not. This interface is supported by CA0102 and CA0108 chips only.
701  */
702 uint32_t
703 emu_rd_p16vptr(struct emu_sc_info *sc, uint16_t chn, uint16_t reg)
704 {
705 	uint32_t val;
706 
707 	/* XXX separate lock? */
708 	EMU_RWLOCK();
709 	emu_wr_nolock(sc, EMU_A2_PTR, (reg << 16) | chn, 4);
710 	val = emu_rd_nolock(sc, EMU_DATA2, 4);
711 
712 	EMU_RWUNLOCK();
713 
714 	return (val);
715 }
716 
717 void
718 emu_wr_p16vptr(struct emu_sc_info *sc, uint16_t chn, uint16_t reg, uint32_t data)
719 {
720 
721 	EMU_RWLOCK();
722 	emu_wr_nolock(sc, EMU_A2_PTR, (reg << 16) | chn, 4);
723 	emu_wr_nolock(sc, EMU_DATA2, data, 4);
724 	EMU_RWUNLOCK();
725 }
726 /*
727  * XXX CardBus interface. Not tested on any real hardware.
728  */
729 static void
730 emu_wr_cbptr(struct emu_sc_info *sc, uint32_t data)
731 {
732 
733 	/*
734 	 * 0x38 is IPE3 (CD S/PDIF interrupt pending register) on CA0102. Seems
735 	 * to be some reg/value accessible kind of config register on CardBus
736 	 * CA0108, with value(?) in top 16 bit, address(?) in low 16
737 	 */
738 
739 	emu_rd_nolock(sc, 0x38, 4);
740 	emu_wr_nolock(sc, 0x38, data, 4);
741 	emu_rd_nolock(sc, 0x38, 4);
742 
743 }
744 
745 /*
746  * Direct hardware register access
747  * Assume that it is never used to access EMU_PTR-based registers and can run unlocked.
748  */
749 void
750 emu_wr(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size)
751 {
752 	KASSERT(regno != EMU_PTR, ("emu_wr: attempt to write to EMU_PTR"));
753 	KASSERT(regno != EMU_A2_PTR, ("emu_wr: attempt to write to EMU_A2_PTR"));
754 
755 	emu_wr_nolock(sc, regno, data, size);
756 }
757 
758 uint32_t
759 emu_rd(struct emu_sc_info *sc, unsigned int regno, unsigned int size)
760 {
761 	uint32_t rd;
762 
763 	KASSERT(regno != EMU_DATA, ("emu_rd: attempt to read DATA"));
764 	KASSERT(regno != EMU_DATA2, ("emu_rd: attempt to read DATA2"));
765 
766 	rd = emu_rd_nolock(sc, regno, size);
767 	return (rd);
768 }
769 
770 /*
771  * Enabling IR MIDI messages is another kind of black magic. It just
772  * has to be made this way. It really do it.
773  */
774 void
775 emu_enable_ir(struct emu_sc_info *sc)
776 {
777 	uint32_t iocfg;
778 
779 	if (sc->is_emu10k2 || sc->is_ca0102) {
780 		iocfg = emu_rd_nolock(sc, EMU_A_IOCFG, 2);
781 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT2, 2);
782 		DELAY(500);
783 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1 | EMU_A_IOCFG_GPOUT2, 2);
784 		DELAY(500);
785 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1, 2);
786 		DELAY(100);
787 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg, 2);
788 		device_printf(sc->dev, "Audigy IR MIDI events enabled.\n");
789 		sc->enable_ir = 1;
790 	}
791 	if (sc->is_emu10k1) {
792 		iocfg = emu_rd_nolock(sc, EMU_HCFG, 4);
793 		emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT2, 4);
794 		DELAY(500);
795 		emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT1 | EMU_HCFG_GPOUT2, 4);
796 		DELAY(100);
797 		emu_wr_nolock(sc, EMU_HCFG, iocfg, 4);
798 		device_printf(sc->dev, "SB Live! IR MIDI events enabled.\n");
799 		sc->enable_ir = 1;
800 	}
801 }
802 
803 /*
804  * emu_timer_ - HW timer management
805  */
806 int
807 emu_timer_create(struct emu_sc_info *sc)
808 {
809 	int i, timer;
810 
811 	timer = -1;
812 
813 	mtx_lock(&sc->lock);
814 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
815 		if (sc->timer[i] == 0) {
816 			sc->timer[i] = -1;	/* disable it */
817 			timer = i;
818 			mtx_unlock(&sc->lock);
819 			return (timer);
820 		}
821 	mtx_unlock(&sc->lock);
822 
823 	return (-1);
824 }
825 
826 int
827 emu_timer_set(struct emu_sc_info *sc, int timer, int delay)
828 {
829 	int i;
830 
831 	if (timer < 0)
832 		return (-1);
833 
834 	RANGE(delay, 16, 1024);
835 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
836 
837 	mtx_lock(&sc->lock);
838 	sc->timer[timer] = delay;
839 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
840 		if (sc->timerinterval > sc->timer[i])
841 			sc->timerinterval = sc->timer[i];
842 
843 	/* XXX */
844 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
845 	mtx_unlock(&sc->lock);
846 
847 	return (timer);
848 }
849 
850 int
851 emu_timer_enable(struct emu_sc_info *sc, int timer, int go)
852 {
853 	uint32_t x;
854 	int ena_int;
855 	int i;
856 
857 	if (timer < 0)
858 		return (-1);
859 
860 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
861 
862 	mtx_lock(&sc->lock);
863 
864 	if ((go == 1) && (sc->timer[timer] < 0))
865 		sc->timer[timer] = -sc->timer[timer];
866 	if ((go == 0) && (sc->timer[timer] > 0))
867 		sc->timer[timer] = -sc->timer[timer];
868 
869 	ena_int = 0;
870 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
871 		if (sc->timerinterval > sc->timer[i])
872 			sc->timerinterval = sc->timer[i];
873 		if (sc->timer[i] > 0)
874 			ena_int = 1;
875 	}
876 
877 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
878 
879 	if (ena_int == 1) {
880 		x = emu_rd(sc, EMU_INTE, 4);
881 		x |= EMU_INTE_INTERTIMERENB;
882 		emu_wr(sc, EMU_INTE, x, 4);
883 	} else {
884 		x = emu_rd(sc, EMU_INTE, 4);
885 		x &= ~EMU_INTE_INTERTIMERENB;
886 		emu_wr(sc, EMU_INTE, x, 4);
887 	}
888 	mtx_unlock(&sc->lock);
889 	return (0);
890 }
891 
892 int
893 emu_timer_clear(struct emu_sc_info *sc, int timer)
894 {
895 	if (timer < 0)
896 		return (-1);
897 
898 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
899 
900 	emu_timer_enable(sc, timer, 0);
901 
902 	mtx_lock(&sc->lock);
903 	if (sc->timer[timer] != 0)
904 		sc->timer[timer] = 0;
905 	mtx_unlock(&sc->lock);
906 
907 	return (timer);
908 }
909 
910 /*
911  * emu_intr_ - HW interrupt handler management
912  */
913 int
914 emu_intr_register(struct emu_sc_info *sc, uint32_t inte_mask, uint32_t intr_mask, uint32_t(*func) (void *softc, uint32_t irq), void *isc)
915 {
916 	int i;
917 	uint32_t x;
918 
919 	mtx_lock(&sc->lock);
920 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
921 		if (sc->ihandler[i].inte_mask == 0) {
922 			sc->ihandler[i].inte_mask = inte_mask;
923 			sc->ihandler[i].intr_mask = intr_mask;
924 			sc->ihandler[i].softc = isc;
925 			sc->ihandler[i].irq_func = func;
926 			x = emu_rd(sc, EMU_INTE, 4);
927 			x |= inte_mask;
928 			emu_wr(sc, EMU_INTE, x, 4);
929 			mtx_unlock(&sc->lock);
930 			if (sc->dbg_level > 1)
931 				device_printf(sc->dev, "ihandle %d registered\n", i);
932 
933 			return (i);
934 		}
935 	mtx_unlock(&sc->lock);
936 	if (sc->dbg_level > 1)
937 		device_printf(sc->dev, "ihandle not registered\n");
938 
939 	return (-1);
940 }
941 
942 int
943 emu_intr_unregister(struct emu_sc_info *sc, int hnumber)
944 {
945 	uint32_t x;
946 	int i;
947 
948 	mtx_lock(&sc->lock);
949 
950 	if (sc->ihandler[hnumber].inte_mask == 0) {
951 		mtx_unlock(&sc->lock);
952 		return (-1);
953 	}
954 
955 	x = emu_rd(sc, EMU_INTE, 4);
956 	x &= ~sc->ihandler[hnumber].inte_mask;
957 
958 	sc->ihandler[hnumber].inte_mask = 0;
959 	sc->ihandler[hnumber].intr_mask = 0;
960 	sc->ihandler[hnumber].softc = NULL;
961 	sc->ihandler[hnumber].irq_func = NULL;
962 
963 	/* other interrupt handlers may use this EMU_INTE value */
964 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
965 		if (sc->ihandler[i].inte_mask != 0)
966 			x |= sc->ihandler[i].inte_mask;
967 
968 	emu_wr(sc, EMU_INTE, x, 4);
969 
970 	mtx_unlock(&sc->lock);
971 	return (hnumber);
972 }
973 
974 static void
975 emu_intr(void *p)
976 {
977 	struct emu_sc_info *sc = (struct emu_sc_info *)p;
978 	uint32_t stat, ack;
979 	int i;
980 
981 	for (;;) {
982 		stat = emu_rd(sc, EMU_IPR, 4);
983 		ack = 0;
984 		if (stat == 0)
985 			break;
986 		emu_wr(sc, EMU_IPR, stat, 4);
987 		for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
988 			if ((((sc->ihandler[i].intr_mask) & stat) != 0) &&
989 			    (((void *)sc->ihandler[i].irq_func) != NULL)) {
990 				ack |= sc->ihandler[i].irq_func(sc->ihandler[i].softc,
991 				    (sc->ihandler[i].intr_mask) & stat);
992 			}
993 		}
994 	if (sc->dbg_level > 1)
995 		if (stat & (~ack))
996 			device_printf(sc->dev, "Unhandled interrupt: %08x\n", stat & (~ack));
997 	}
998 
999 	if ((sc->is_ca0102) || (sc->is_ca0108))
1000 		for (;;) {
1001 			stat = emu_rd(sc, EMU_IPR2, 4);
1002 			ack = 0;
1003 			if (stat == 0)
1004 				break;
1005 			emu_wr(sc, EMU_IPR2, stat, 4);
1006 			if (sc->dbg_level > 1)
1007 				device_printf(sc->dev, "EMU_IPR2: %08x\n", stat);
1008 
1009 			break;	/* to avoid infinite loop. should be removed
1010 				 * after completion of P16V interface. */
1011 		}
1012 
1013 	if (sc->is_ca0102)
1014 		for (;;) {
1015 			stat = emu_rd(sc, EMU_IPR3, 4);
1016 			ack = 0;
1017 			if (stat == 0)
1018 				break;
1019 			emu_wr(sc, EMU_IPR3, stat, 4);
1020 			if (sc->dbg_level > 1)
1021 				device_printf(sc->dev, "EMU_IPR3: %08x\n", stat);
1022 
1023 			break;	/* to avoid infinite loop. should be removed
1024 				 * after completion of S/PDIF interface */
1025 		}
1026 }
1027 
1028 /*
1029  * Get data from private emu10kx structure for PCM buffer allocation.
1030  * Used by PCM code only.
1031  */
1032 bus_dma_tag_t
1033 emu_gettag(struct emu_sc_info *sc)
1034 {
1035 	return (sc->mem.dmat);
1036 }
1037 
1038 static void
1039 emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error)
1040 {
1041 	bus_addr_t *phys = (bus_addr_t *) arg;
1042 
1043 	*phys = error ? 0 : (bus_addr_t) segs->ds_addr;
1044 
1045 	if (bootverbose) {
1046 		printf("emu10kx: setmap (%lx, %lx), nseg=%d, error=%d\n",
1047 		    (unsigned long)segs->ds_addr, (unsigned long)segs->ds_len,
1048 		    nseg, error);
1049 	}
1050 }
1051 
1052 static void *
1053 emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr,
1054     bus_dmamap_t *map)
1055 {
1056 	void *dmabuf;
1057 	int error;
1058 
1059 	*addr = 0;
1060 	if ((error = bus_dmamem_alloc(mem->dmat, &dmabuf, BUS_DMA_NOWAIT, map))) {
1061 		if (mem->card->dbg_level > 2)
1062 			device_printf(mem->card->dev, "emu_malloc: failed to alloc DMA map: %d\n", error);
1063 		return (NULL);
1064 		}
1065 	if ((error = bus_dmamap_load(mem->dmat, *map, dmabuf, sz, emu_setmap, addr, 0)) || !*addr) {
1066 		if (mem->card->dbg_level > 2)
1067 			device_printf(mem->card->dev, "emu_malloc: failed to load DMA memory: %d\n", error);
1068 		bus_dmamem_free(mem->dmat, dmabuf, *map);
1069 		return (NULL);
1070 		}
1071 	return (dmabuf);
1072 }
1073 
1074 static void
1075 emu_free(struct emu_mem *mem, void *dmabuf, bus_dmamap_t map)
1076 {
1077 	bus_dmamap_unload(mem->dmat, map);
1078 	bus_dmamem_free(mem->dmat, dmabuf, map);
1079 }
1080 
1081 static void *
1082 emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char *owner)
1083 {
1084 	uint32_t blksz, start, idx, ofs, tmp, found;
1085 	struct emu_memblk *blk;
1086 	void *membuf;
1087 
1088 	blksz = sz / EMUPAGESIZE;
1089 	if (sz > (blksz * EMUPAGESIZE))
1090 		blksz++;
1091 	if (blksz > EMU_MAX_BUFSZ / EMUPAGESIZE) {
1092 		if (mem->card->dbg_level > 2)
1093 			device_printf(mem->card->dev, "emu_memalloc: memory request tool large\n");
1094 		return (NULL);
1095 		}
1096 	/* find a free block in the bitmap */
1097 	found = 0;
1098 	start = 1;
1099 	while (!found && start + blksz < EMU_MAXPAGES) {
1100 		found = 1;
1101 		for (idx = start; idx < start + blksz; idx++)
1102 			if (mem->bmap[idx >> 3] & (1 << (idx & 7)))
1103 				found = 0;
1104 		if (!found)
1105 			start++;
1106 	}
1107 	if (!found) {
1108 		if (mem->card->dbg_level > 2)
1109 			device_printf(mem->card->dev, "emu_memalloc: no free space in bitmap\n");
1110 		return (NULL);
1111 		}
1112 	blk = malloc(sizeof(*blk), M_DEVBUF, M_NOWAIT);
1113 	if (blk == NULL) {
1114 		if (mem->card->dbg_level > 2)
1115 			device_printf(mem->card->dev, "emu_memalloc: buffer allocation failed\n");
1116 		return (NULL);
1117 		}
1118 	bzero(blk, sizeof(*blk));
1119 	membuf = emu_malloc(mem, sz, &blk->buf_addr, &blk->buf_map);
1120 	*addr = blk->buf_addr;
1121 	if (membuf == NULL) {
1122 		if (mem->card->dbg_level > 2)
1123 			device_printf(mem->card->dev, "emu_memalloc: can't setup HW memory\n");
1124 		free(blk, M_DEVBUF);
1125 		return (NULL);
1126 	}
1127 	blk->buf = membuf;
1128 	blk->pte_start = start;
1129 	blk->pte_size = blksz;
1130 	strncpy(blk->owner, owner, 15);
1131 	blk->owner[15] = '\0';
1132 	ofs = 0;
1133 	for (idx = start; idx < start + blksz; idx++) {
1134 		mem->bmap[idx >> 3] |= 1 << (idx & 7);
1135 		tmp = (uint32_t) (blk->buf_addr + ofs);
1136 		mem->ptb_pages[idx] = (tmp << 1) | idx;
1137 		ofs += EMUPAGESIZE;
1138 	}
1139 	SLIST_INSERT_HEAD(&mem->blocks, blk, link);
1140 	return (membuf);
1141 }
1142 
1143 static int
1144 emu_memfree(struct emu_mem *mem, void *membuf)
1145 {
1146 	uint32_t idx, tmp;
1147 	struct emu_memblk *blk, *i;
1148 
1149 	blk = NULL;
1150 	SLIST_FOREACH(i, &mem->blocks, link) {
1151 		if (i->buf == membuf)
1152 			blk = i;
1153 	}
1154 	if (blk == NULL)
1155 		return (EINVAL);
1156 	SLIST_REMOVE(&mem->blocks, blk, emu_memblk, link);
1157 	emu_free(mem, membuf, blk->buf_map);
1158 	tmp = (uint32_t) (mem->silent_page_addr) << 1;
1159 	for (idx = blk->pte_start; idx < blk->pte_start + blk->pte_size; idx++) {
1160 		mem->bmap[idx >> 3] &= ~(1 << (idx & 7));
1161 		mem->ptb_pages[idx] = tmp | idx;
1162 	}
1163 	free(blk, M_DEVBUF);
1164 	return (0);
1165 }
1166 
1167 static int
1168 emu_memstart(struct emu_mem *mem, void *membuf)
1169 {
1170 	struct emu_memblk *blk, *i;
1171 
1172 	blk = NULL;
1173 	SLIST_FOREACH(i, &mem->blocks, link) {
1174 		if (i->buf == membuf)
1175 			blk = i;
1176 	}
1177 	if (blk == NULL)
1178 		return (-1);
1179 	return (blk->pte_start);
1180 }
1181 
1182 static uint32_t
1183 emu_rate_to_pitch(uint32_t rate)
1184 {
1185 	static uint32_t logMagTable[128] = {
1186 		0x00000, 0x02dfc, 0x05b9e, 0x088e6, 0x0b5d6, 0x0e26f, 0x10eb3, 0x13aa2,
1187 		0x1663f, 0x1918a, 0x1bc84, 0x1e72e, 0x2118b, 0x23b9a, 0x2655d, 0x28ed5,
1188 		0x2b803, 0x2e0e8, 0x30985, 0x331db, 0x359eb, 0x381b6, 0x3a93d, 0x3d081,
1189 		0x3f782, 0x41e42, 0x444c1, 0x46b01, 0x49101, 0x4b6c4, 0x4dc49, 0x50191,
1190 		0x5269e, 0x54b6f, 0x57006, 0x59463, 0x5b888, 0x5dc74, 0x60029, 0x623a7,
1191 		0x646ee, 0x66a00, 0x68cdd, 0x6af86, 0x6d1fa, 0x6f43c, 0x7164b, 0x73829,
1192 		0x759d4, 0x77b4f, 0x79c9a, 0x7bdb5, 0x7dea1, 0x7ff5e, 0x81fed, 0x8404e,
1193 		0x86082, 0x88089, 0x8a064, 0x8c014, 0x8df98, 0x8fef1, 0x91e20, 0x93d26,
1194 		0x95c01, 0x97ab4, 0x9993e, 0x9b79f, 0x9d5d9, 0x9f3ec, 0xa11d8, 0xa2f9d,
1195 		0xa4d3c, 0xa6ab5, 0xa8808, 0xaa537, 0xac241, 0xadf26, 0xafbe7, 0xb1885,
1196 		0xb3500, 0xb5157, 0xb6d8c, 0xb899f, 0xba58f, 0xbc15e, 0xbdd0c, 0xbf899,
1197 		0xc1404, 0xc2f50, 0xc4a7b, 0xc6587, 0xc8073, 0xc9b3f, 0xcb5ed, 0xcd07c,
1198 		0xceaec, 0xd053f, 0xd1f73, 0xd398a, 0xd5384, 0xd6d60, 0xd8720, 0xda0c3,
1199 		0xdba4a, 0xdd3b4, 0xded03, 0xe0636, 0xe1f4e, 0xe384a, 0xe512c, 0xe69f3,
1200 		0xe829f, 0xe9b31, 0xeb3a9, 0xecc08, 0xee44c, 0xefc78, 0xf148a, 0xf2c83,
1201 		0xf4463, 0xf5c2a, 0xf73da, 0xf8b71, 0xfa2f0, 0xfba57, 0xfd1a7, 0xfe8df
1202 	};
1203 	static char logSlopeTable[128] = {
1204 		0x5c, 0x5c, 0x5b, 0x5a, 0x5a, 0x59, 0x58, 0x58,
1205 		0x57, 0x56, 0x56, 0x55, 0x55, 0x54, 0x53, 0x53,
1206 		0x52, 0x52, 0x51, 0x51, 0x50, 0x50, 0x4f, 0x4f,
1207 		0x4e, 0x4d, 0x4d, 0x4d, 0x4c, 0x4c, 0x4b, 0x4b,
1208 		0x4a, 0x4a, 0x49, 0x49, 0x48, 0x48, 0x47, 0x47,
1209 		0x47, 0x46, 0x46, 0x45, 0x45, 0x45, 0x44, 0x44,
1210 		0x43, 0x43, 0x43, 0x42, 0x42, 0x42, 0x41, 0x41,
1211 		0x41, 0x40, 0x40, 0x40, 0x3f, 0x3f, 0x3f, 0x3e,
1212 		0x3e, 0x3e, 0x3d, 0x3d, 0x3d, 0x3c, 0x3c, 0x3c,
1213 		0x3b, 0x3b, 0x3b, 0x3b, 0x3a, 0x3a, 0x3a, 0x39,
1214 		0x39, 0x39, 0x39, 0x38, 0x38, 0x38, 0x38, 0x37,
1215 		0x37, 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x35,
1216 		0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34,
1217 		0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32,
1218 		0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x30, 0x30,
1219 		0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f
1220 	};
1221 	int i;
1222 
1223 	if (rate == 0)
1224 		return (0);
1225 	rate *= 11185;		/* Scale 48000 to 0x20002380 */
1226 	for (i = 31; i > 0; i--) {
1227 		if (rate & 0x80000000) {	/* Detect leading "1" */
1228 			return (((uint32_t) (i - 15) << 20) +
1229 			    logMagTable[0x7f & (rate >> 24)] +
1230 			    (0x7f & (rate >> 17)) *
1231 			    logSlopeTable[0x7f & (rate >> 24)]);
1232 		}
1233 		rate <<= 1;
1234 	}
1235 	/* NOTREACHED */
1236 	return (0);
1237 }
1238 
1239 static uint32_t
1240 emu_rate_to_linearpitch(uint32_t rate)
1241 {
1242 	rate = (rate << 8) / 375;
1243 	return ((rate >> 1) + (rate & 1));
1244 }
1245 
1246 struct emu_voice *
1247 emu_valloc(struct emu_sc_info *sc)
1248 {
1249 	struct emu_voice *v;
1250 	int i;
1251 
1252 	v = NULL;
1253 	mtx_lock(&sc->lock);
1254 	for (i = 0; i < NUM_G && sc->voice[i].busy; i++);
1255 	if (i < NUM_G) {
1256 		v = &sc->voice[i];
1257 		v->busy = 1;
1258 	}
1259 	mtx_unlock(&sc->lock);
1260 	return (v);
1261 }
1262 
1263 void
1264 emu_vfree(struct emu_sc_info *sc, struct emu_voice *v)
1265 {
1266 
1267 	mtx_lock(&sc->lock);
1268 	for (int i = 0; i < NUM_G; i++) {
1269 		if (v == &sc->voice[i] && sc->voice[i].busy) {
1270 			v->busy = 0;
1271 			/*
1272 			 * XXX What we should do with mono channels?
1273 			 * See -pcm.c emupchan_init for other side of
1274 			 * this problem
1275 			 */
1276 			if (v->slave != NULL)
1277 				emu_memfree(&sc->mem, v->vbuf);
1278 		}
1279 	}
1280 	mtx_unlock(&sc->lock);
1281 }
1282 
1283 int
1284 emu_vinit(struct emu_sc_info *sc, struct emu_voice *m, struct emu_voice *s,
1285     uint32_t sz, struct snd_dbuf *b)
1286 {
1287 	void *vbuf;
1288 	bus_addr_t tmp_addr;
1289 
1290 	vbuf = emu_memalloc(&sc->mem, sz, &tmp_addr, "vinit");
1291 	if (vbuf == NULL) {
1292 		if(sc->dbg_level > 2)
1293 			device_printf(sc->dev, "emu_memalloc returns NULL in enu_vinit\n");
1294 		return (ENOMEM);
1295 		}
1296 	if (b != NULL)
1297 		sndbuf_setup(b, vbuf, sz);
1298 	m->start = emu_memstart(&sc->mem, vbuf) * EMUPAGESIZE;
1299 	if (m->start < 0) {
1300 		if(sc->dbg_level > 2)
1301 			device_printf(sc->dev, "emu_memstart returns (-1) in enu_vinit\n");
1302 		emu_memfree(&sc->mem, vbuf);
1303 		return (ENOMEM);
1304 	}
1305 	m->end = m->start + sz;
1306 	m->speed = 0;
1307 	m->b16 = 0;
1308 	m->stereo = 0;
1309 	m->running = 0;
1310 	m->ismaster = 1;
1311 	m->vol = 0xff;
1312 	m->buf = tmp_addr;
1313 	m->vbuf = vbuf;
1314 	m->slave = s;
1315 	if (s != NULL) {
1316 		s->start = m->start;
1317 		s->end = m->end;
1318 		s->speed = 0;
1319 		s->b16 = 0;
1320 		s->stereo = 0;
1321 		s->running = 0;
1322 		s->ismaster = 0;
1323 		s->vol = m->vol;
1324 		s->buf = m->buf;
1325 		s->vbuf = NULL;
1326 		s->slave = NULL;
1327 	}
1328 	return (0);
1329 }
1330 
1331 void
1332 emu_vsetup(struct emu_voice *v, int fmt, int spd)
1333 {
1334 	if (fmt) {
1335 		v->b16 = (fmt & AFMT_16BIT) ? 1 : 0;
1336 		v->stereo = (AFMT_CHANNEL(fmt) > 1) ? 1 : 0;
1337 		if (v->slave != NULL) {
1338 			v->slave->b16 = v->b16;
1339 			v->slave->stereo = v->stereo;
1340 		}
1341 	}
1342 	if (spd) {
1343 		v->speed = spd;
1344 		if (v->slave != NULL)
1345 			v->slave->speed = v->speed;
1346 	}
1347 }
1348 
1349 void
1350 emu_vroute(struct emu_sc_info *sc, struct emu_route *rt,  struct emu_voice *v)
1351 {
1352 	int i;
1353 
1354 	for (i = 0; i < 8; i++) {
1355 		v->routing[i] = rt->routing_left[i];
1356 		v->amounts[i] = rt->amounts_left[i];
1357 	}
1358 	if ((v->stereo) && (v->ismaster == 0))
1359 		for (i = 0; i < 8; i++) {
1360 			v->routing[i] = rt->routing_right[i];
1361 			v->amounts[i] = rt->amounts_right[i];
1362 		}
1363 
1364 	if ((v->stereo) && (v->slave != NULL))
1365 		emu_vroute(sc, rt, v->slave);
1366 }
1367 
1368 void
1369 emu_vwrite(struct emu_sc_info *sc, struct emu_voice *v)
1370 {
1371 	int s;
1372 	uint32_t start, val, silent_page;
1373 
1374 	s = (v->stereo ? 1 : 0) + (v->b16 ? 1 : 0);
1375 
1376 	v->sa = v->start >> s;
1377 	v->ea = v->end >> s;
1378 
1379 	if (v->stereo) {
1380 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, EMU_CHAN_CPF_STEREO_MASK);
1381 	} else {
1382 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, 0);
1383 	}
1384 	val = v->stereo ? 28 : 30;
1385 	val *= v->b16 ? 1 : 2;
1386 	start = v->sa + val;
1387 
1388 	if (sc->is_emu10k1) {
1389 		emu_wrptr(sc, v->vnum, EMU_CHAN_FXRT, ((v->routing[3] << 12) |
1390 		    (v->routing[2] << 8) |
1391 		    (v->routing[1] << 4) |
1392 		    (v->routing[0] << 0)) << 16);
1393 	} else {
1394 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT1, (v->routing[3] << 24) |
1395 		    (v->routing[2] << 16) |
1396 		    (v->routing[1] << 8) |
1397 		    (v->routing[0] << 0));
1398 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT2, (v->routing[7] << 24) |
1399 		    (v->routing[6] << 16) |
1400 		    (v->routing[5] << 8) |
1401 		    (v->routing[4] << 0));
1402 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_SENDAMOUNTS, (v->amounts[7] << 24) |
1403 		    (v->amounts[6] << 26) |
1404 		    (v->amounts[5] << 8) |
1405 		    (v->amounts[4] << 0));
1406 	}
1407 	emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX, (v->amounts[0] << 8) | (v->amounts[1] << 0));
1408 	emu_wrptr(sc, v->vnum, EMU_CHAN_DSL, v->ea | (v->amounts[3] << 24));
1409 	emu_wrptr(sc, v->vnum, EMU_CHAN_PSST, v->sa | (v->amounts[2] << 24));
1410 
1411 	emu_wrptr(sc, v->vnum, EMU_CHAN_CCCA, start | (v->b16 ? 0 : EMU_CHAN_CCCA_8BITSELECT));
1412 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z1, 0);
1413 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z2, 0);
1414 
1415 	silent_page = ((uint32_t) (sc->mem.silent_page_addr) << 1) | EMU_CHAN_MAP_PTI_MASK;
1416 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPA, silent_page);
1417 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPB, silent_page);
1418 
1419 	emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, EMU_CHAN_CVCF_CURRFILTER_MASK);
1420 	emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, EMU_CHAN_VTFT_FILTERTARGET_MASK);
1421 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDM, 0);
1422 	emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSM, EMU_CHAN_DCYSUSM_DECAYTIME_MASK);
1423 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL1, 0x8000);
1424 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL2, 0x8000);
1425 	emu_wrptr(sc, v->vnum, EMU_CHAN_FMMOD, 0);
1426 	emu_wrptr(sc, v->vnum, EMU_CHAN_TREMFRQ, 0);
1427 	emu_wrptr(sc, v->vnum, EMU_CHAN_FM2FRQ2, 0);
1428 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVAL, 0x8000);
1429 
1430 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDV, EMU_CHAN_ATKHLDV_HOLDTIME_MASK | EMU_CHAN_ATKHLDV_ATTACKTIME_MASK);
1431 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVOL, 0x8000);
1432 
1433 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_FILTERAMOUNT, 0x7f);
1434 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_PITCHAMOUNT, 0);
1435 	if ((v->stereo) && (v->slave != NULL))
1436 		emu_vwrite(sc, v->slave);
1437 }
1438 
1439 static void
1440 emu_vstop(struct emu_sc_info *sc, char channel, int enable)
1441 {
1442 	int reg;
1443 
1444 	reg = (channel & 0x20) ? EMU_SOLEH : EMU_SOLEL;
1445 	channel &= 0x1f;
1446 	reg |= 1 << 24;
1447 	reg |= channel << 16;
1448 	emu_wrptr(sc, 0, reg, enable);
1449 }
1450 
1451 void
1452 emu_vtrigger(struct emu_sc_info *sc, struct emu_voice *v, int go)
1453 {
1454 	uint32_t pitch_target, initial_pitch;
1455 	uint32_t cra, cs, ccis;
1456 	uint32_t sample, i;
1457 
1458 	if (go) {
1459 		cra = 64;
1460 		cs = v->stereo ? 4 : 2;
1461 		ccis = v->stereo ? 28 : 30;
1462 		ccis *= v->b16 ? 1 : 2;
1463 		sample = v->b16 ? 0x00000000 : 0x80808080;
1464 		for (i = 0; i < cs; i++)
1465 			emu_wrptr(sc, v->vnum, EMU_CHAN_CD0 + i, sample);
1466 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, 0);
1467 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_READADDRESS, cra);
1468 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, ccis);
1469 
1470 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xff00);
1471 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0xffffffff);
1472 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0xffffffff);
1473 		emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSV, 0x00007f7f);
1474 		emu_vstop(sc, v->vnum, 0);
1475 
1476 		pitch_target = emu_rate_to_linearpitch(v->speed);
1477 		initial_pitch = emu_rate_to_pitch(v->speed) >> 8;
1478 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, pitch_target);
1479 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, pitch_target);
1480 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, initial_pitch);
1481 	} else {
1482 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, 0);
1483 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, 0);
1484 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xffff);
1485 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0x0000ffff);
1486 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0x0000ffff);
1487 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, 0);
1488 		emu_vstop(sc, v->vnum, 1);
1489 	}
1490 	if ((v->stereo) && (v->slave != NULL))
1491 		emu_vtrigger(sc, v->slave, go);
1492 }
1493 
1494 int
1495 emu_vpos(struct emu_sc_info *sc, struct emu_voice *v)
1496 {
1497 	int s, ptr;
1498 
1499 	s = (v->b16 ? 1 : 0) + (v->stereo ? 1 : 0);
1500 	ptr = (emu_rdptr(sc, v->vnum, EMU_CHAN_CCCA_CURRADDR) - (v->start >> s)) << s;
1501 	return (ptr & ~0x0000001f);
1502 }
1503 
1504 /* fx */
1505 static void
1506 emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data)
1507 {
1508 	emu_wrptr(sc, 0, sc->code_base + pc, data);
1509 }
1510 
1511 static void
1512 emu_addefxop(struct emu_sc_info *sc, unsigned int op, unsigned int z, unsigned int w, unsigned int x, unsigned int y, uint32_t * pc)
1513 {
1514 	if ((*pc) + 1 > sc->code_size) {
1515 		device_printf(sc->dev, "DSP CODE OVERRUN: attept to write past code_size (pc=%d)\n", (*pc));
1516 		return;
1517 	}
1518 	emu_wrefx(sc, (*pc) * 2, (x << sc->high_operand_shift) | y);
1519 	emu_wrefx(sc, (*pc) * 2 + 1, (op << sc->opcode_shift) | (z << sc->high_operand_shift) | w);
1520 	(*pc)++;
1521 }
1522 
1523 static int
1524 sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS)
1525 {
1526 	struct emu_sc_info *sc;
1527 	int	mixer_id;
1528 	int	new_vol;
1529 	int	err;
1530 
1531 	sc = arg1;
1532 	mixer_id = arg2;
1533 
1534 	new_vol = emumix_get_volume(sc, mixer_id);
1535 	err = sysctl_handle_int(oidp, &new_vol, 0, req);
1536 
1537 	if (err || req->newptr == NULL)
1538 		return (err);
1539 	if (new_vol < 0 || new_vol > 100)
1540 		return (EINVAL);
1541 	emumix_set_volume(sc, mixer_id, new_vol);
1542 
1543 	return (0);
1544 }
1545 
1546 static int
1547 emu_addefxmixer(struct emu_sc_info *sc, const char *mix_name, const int mix_id, uint32_t defvolume)
1548 {
1549 	int volgpr;
1550 	char	sysctl_name[32];
1551 
1552 	volgpr = emu_rm_gpr_alloc(sc->rm, 1);
1553 	emumix_set_fxvol(sc, volgpr, defvolume);
1554 	/*
1555 	 * Mixer controls with NULL mix_name are handled
1556 	 * by AC97 emulation code or PCM mixer.
1557 	 */
1558 	if (mix_name != NULL) {
1559 		/*
1560 		 * Temporary sysctls should start with underscore,
1561 		 * see freebsd-current mailing list, emu10kx driver
1562 		 * discussion around 2006-05-24.
1563 		 */
1564 		snprintf(sysctl_name, 32, "_%s", mix_name);
1565 		SYSCTL_ADD_PROC(sc->ctx,
1566 		    SYSCTL_CHILDREN(sc->root), OID_AUTO, sysctl_name,
1567 		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, mix_id,
1568 		    sysctl_emu_mixer_control, "I", "");
1569 	}
1570 
1571 	return (volgpr);
1572 }
1573 
1574 static int
1575 sysctl_emu_digitalswitch_control(SYSCTL_HANDLER_ARGS)
1576 {
1577 	struct emu_sc_info *sc;
1578 	int	new_val;
1579 	int	err;
1580 
1581 	sc = arg1;
1582 
1583 	new_val = (sc->mode == MODE_DIGITAL) ? 1 : 0;
1584 	err = sysctl_handle_int(oidp, &new_val, 0, req);
1585 
1586 	if (err || req->newptr == NULL)
1587 		return (err);
1588 	if (new_val < 0 || new_val > 1)
1589 		return (EINVAL);
1590 
1591 	switch (new_val) {
1592 		case 0:
1593 			emumix_set_mode(sc, MODE_ANALOG);
1594 			break;
1595 		case 1:
1596 			emumix_set_mode(sc, MODE_DIGITAL);
1597 			break;
1598 	}
1599 	return (0);
1600 }
1601 
1602 static void
1603 emu_digitalswitch(struct emu_sc_info *sc)
1604 {
1605 	/* XXX temporary? */
1606 	SYSCTL_ADD_PROC(sc->ctx, SYSCTL_CHILDREN(sc->root), OID_AUTO,
1607 	    "_digital", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
1608 	    sc, 0, sysctl_emu_digitalswitch_control, "I",
1609 	    "Enable digital output");
1610 
1611 	return;
1612 }
1613 
1614 /*
1615  * Allocate cache GPRs that will hold mixed output channels
1616  * and clear it on every DSP run.
1617  */
1618 #define	EFX_CACHE(CACHE_IDX) do {				\
1619 	sc->cache_gpr[CACHE_IDX] = emu_rm_gpr_alloc(sc->rm, 1); \
1620 	emu_addefxop(sc, ACC3, 					\
1621 		GPR(sc->cache_gpr[CACHE_IDX]), 			\
1622 		DSP_CONST(0), 					\
1623 		DSP_CONST(0), 					\
1624 		DSP_CONST(0), 					\
1625 		&pc);						\
1626 } while (0)
1627 
1628 /* Allocate GPR for volume control and route sound: OUT = OUT + IN * VOL */
1629 #define	EFX_ROUTE(TITLE, INP_NR, IN_GPR_IDX, OUT_CACHE_IDX, DEF) do { 	\
1630 	sc->mixer_gpr[IN_GPR_IDX] = emu_addefxmixer(sc, TITLE, IN_GPR_IDX,  DEF); \
1631 	sc->mixer_volcache[IN_GPR_IDX] = DEF; 			\
1632 	emu_addefxop(sc, MACS, 					\
1633 		GPR(sc->cache_gpr[OUT_CACHE_IDX]), 		\
1634 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1635 		INP_NR,						\
1636 		GPR(sc->mixer_gpr[IN_GPR_IDX]),			\
1637 		&pc);						\
1638 } while (0)
1639 
1640 /* allocate GPR, OUT = IN * VOL */
1641 #define	EFX_OUTPUT(TITLE, OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR, DEF) do {	\
1642 	sc->mixer_gpr[OUT_GPR_IDX] = emu_addefxmixer(sc, TITLE, OUT_GPR_IDX, DEF); \
1643 	sc->mixer_volcache[OUT_GPR_IDX] = DEF;			\
1644 	emu_addefxop(sc, MACS,					\
1645 		OUTP(OUTP_NR),					\
1646 		DSP_CONST(0),					\
1647 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1648 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1649 		&pc);						\
1650 } while (0)
1651 
1652 /* like EFX_OUTPUT, but don't allocate mixer gpr */
1653 #define	EFX_OUTPUTD(OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR) do {	\
1654 	emu_addefxop(sc, MACS,					\
1655 		OUTP(OUTP_NR),					\
1656 		DSP_CONST(0),					\
1657 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1658 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1659 		&pc);						\
1660 } while (0)
1661 
1662 /* skip next OPCOUNT instructions if FLAG != 0 */
1663 #define EFX_SKIP(OPCOUNT, FLAG_GPR) do {			\
1664 	emu_addefxop(sc, MACS,					\
1665 		DSP_CONST(0),					\
1666 		GPR(sc->mute_gpr[FLAG_GPR]),					\
1667 		DSP_CONST(0),					\
1668 		DSP_CONST(0),					\
1669 		&pc);						\
1670 	emu_addefxop(sc, SKIP,					\
1671 		DSP_CCR,					\
1672 		DSP_CCR,					\
1673 		COND_NEQ_ZERO,					\
1674 		OPCOUNT,					\
1675 		&pc);						\
1676 } while (0)
1677 
1678 #define EFX_COPY(TO, FROM) do {					\
1679 	emu_addefxop(sc, ACC3,					\
1680 		TO,						\
1681 		DSP_CONST(0),					\
1682 		DSP_CONST(0),					\
1683 		FROM,						\
1684 		&pc);						\
1685 } while (0)
1686 
1687 static void
1688 emu_initefx(struct emu_sc_info *sc)
1689 {
1690 	unsigned int i;
1691 	uint32_t pc;
1692 
1693 	/* stop DSP */
1694 	if (sc->is_emu10k1) {
1695 		emu_wrptr(sc, 0, EMU_DBG, EMU_DBG_SINGLE_STEP);
1696 	} else {
1697 		emu_wrptr(sc, 0, EMU_A_DBG, EMU_A_DBG_SINGLE_STEP);
1698 	}
1699 
1700 	/* code size is in instructions */
1701 	pc = 0;
1702 	for (i = 0; i < sc->code_size; i++) {
1703 		if (sc->is_emu10k1) {
1704 			emu_addefxop(sc, ACC3, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), &pc);
1705 		} else {
1706 			emu_addefxop(sc, SKIP, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0xf), DSP_CONST(0x0), &pc);
1707 		}
1708 	}
1709 
1710 	/* allocate GPRs for mute switches (EFX_SKIP). Mute by default */
1711 	for (i = 0; i < NUM_MUTE; i++) {
1712 		sc->mute_gpr[i] = emu_rm_gpr_alloc(sc->rm, 1);
1713 		emumix_set_gpr(sc, sc->mute_gpr[i], 1);
1714 	}
1715 	emu_digitalswitch(sc);
1716 
1717 	pc = 0;
1718 
1719 	/*
1720 	 * DSP code below is not good, because:
1721 	 * 1. It can be written smaller, if it can use DSP accumulator register
1722 	 * instead of cache_gpr[].
1723 	 * 2. It can be more careful when volume is 100%, because in DSP
1724 	 * x*0x7fffffff may not be equal to x !
1725 	 */
1726 
1727 	/* clean outputs */
1728 	for (i = 0; i < 16 ; i++) {
1729 		emu_addefxop(sc, ACC3, OUTP(i), DSP_CONST(0), DSP_CONST(0), DSP_CONST(0), &pc);
1730 	}
1731 
1732 	if (sc->is_emu10k1) {
1733 		EFX_CACHE(C_FRONT_L);
1734 		EFX_CACHE(C_FRONT_R);
1735 		EFX_CACHE(C_REC_L);
1736 		EFX_CACHE(C_REC_R);
1737 
1738 		/* fx0 to front/record, 100%/muted by default */
1739 		EFX_ROUTE("pcm_front_l", FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1740 		EFX_ROUTE("pcm_front_r", FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1741 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1742 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1743 
1744 		/* in0, from AC97 codec output */
1745 		EFX_ROUTE("ac97_front_l", INP(IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 0);
1746 		EFX_ROUTE("ac97_front_r", INP(IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 0);
1747 		EFX_ROUTE("ac97_rec_l", INP(IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1748 		EFX_ROUTE("ac97_rec_r", INP(IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1749 
1750 		/* in1, from CD S/PDIF */
1751 		/* XXX EFX_SKIP 4 assumes that each EFX_ROUTE is one DSP op */
1752 		EFX_SKIP(4, CDSPDIFMUTE);
1753 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1754 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1755 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1756 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1757 
1758 		if (sc->dbg_level > 0) {
1759 			/* in2, ZoomVide (???) */
1760 			EFX_ROUTE("zoom_front_l", INP(IN_ZOOM_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1761 			EFX_ROUTE("zoom_front_r", INP(IN_ZOOM_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1762 			EFX_ROUTE("zoom_rec_l", INP(IN_ZOOM_L), M_IN2_REC_L, C_REC_L, 0);
1763 			EFX_ROUTE("zoom_rec_r", INP(IN_ZOOM_R), M_IN2_REC_R, C_REC_R, 0);
1764 		}
1765 
1766 		/* in3, TOSLink  */
1767 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_FRONT_L, C_FRONT_L, 0);
1768 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_FRONT_R, C_FRONT_R, 0);
1769 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_REC_L, C_REC_L, 0);
1770 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_REC_R, C_REC_R, 0);
1771 		/* in4, LineIn  */
1772 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1773 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_FRONT_R, C_FRONT_R, 0);
1774 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_REC_L, C_REC_L, 0);
1775 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_REC_R, C_REC_R, 0);
1776 
1777 		/* in5, on-card S/PDIF */
1778 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
1779 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
1780 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
1781 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
1782 
1783 		/* in6, Line2 on Live!Drive */
1784 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
1785 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
1786 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_REC_L, C_REC_L, 0);
1787 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_REC_R, C_REC_R, 0);
1788 
1789 		if (sc->dbg_level > 0) {
1790 			/* in7, unknown */
1791 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
1792 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
1793 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
1794 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
1795 		}
1796 
1797 		/* analog and digital */
1798 		EFX_OUTPUT("master_front_l", C_FRONT_L, M_MASTER_FRONT_L, OUT_AC97_L, 100);
1799 		EFX_OUTPUT("master_front_r", C_FRONT_R, M_MASTER_FRONT_R, OUT_AC97_R, 100);
1800 		/* S/PDIF */
1801 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_TOSLINK_L);
1802 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_TOSLINK_R);
1803 		/* Headphones */
1804 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_HEADPHONE_L);
1805 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_HEADPHONE_R);
1806 
1807 		/* rec output to "ADC" */
1808 		EFX_OUTPUT("master_rec_l", C_REC_L, M_MASTER_REC_L, OUT_ADC_REC_L, 100);
1809 		EFX_OUTPUT("master_rec_r", C_REC_R, M_MASTER_REC_R, OUT_ADC_REC_R, 100);
1810 
1811 		if (!(sc->mch_disabled)) {
1812 			/*
1813 			 * Additional channel volume is controlled by mixer in
1814 			 * emu_dspmixer_set() in -pcm.c
1815 			 */
1816 
1817 			/* fx2/3 (pcm1) to rear */
1818 			EFX_CACHE(C_REAR_L);
1819 			EFX_CACHE(C_REAR_R);
1820 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
1821 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
1822 
1823 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, OUT_REAR_L, 100);
1824 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, OUT_REAR_R, 100);
1825 			if (sc->has_51) {
1826 				/* fx4 (pcm2) to center */
1827 				EFX_CACHE(C_CENTER);
1828 				EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
1829 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1830 
1831 				/* XXX in digital mode (default) this should be muted because
1832 				this output is shared with digital out */
1833 				EFX_SKIP(1, ANALOGMUTE);
1834 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1835 
1836 				/* fx5 (pcm3) to sub */
1837 				EFX_CACHE(C_SUB);
1838 				EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
1839 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1840 
1841 				/* XXX in digital mode (default) this should be muted because
1842 				this output is shared with digital out */
1843 				EFX_SKIP(1, ANALOGMUTE);
1844 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1845 			}
1846 		} else {
1847 			/* SND_EMU10KX_MULTICHANNEL_DISABLED */
1848 			EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_REAR_L, OUT_REAR_L, 57); /* 75%*75% */
1849 			EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_REAR_R, OUT_REAR_R, 57); /* 75%*75% */
1850 
1851 #if 0
1852 			/* XXX 5.1 does not work */
1853 
1854 			if (sc->has_51) {
1855 				/* (fx0+fx1)/2 to center */
1856 				EFX_CACHE(C_CENTER);
1857 				emu_addefxop(sc, MACS,
1858 					GPR(sc->cache_gpr[C_CENTER]),
1859 					GPR(sc->cache_gpr[C_CENTER]),
1860 					DSP_CONST(0xd), /* = 1/2 */
1861 					GPR(sc->cache_gpr[C_FRONT_L]),
1862 					&pc);
1863 				emu_addefxop(sc, MACS,
1864 					GPR(sc->cache_gpr[C_CENTER]),
1865 					GPR(sc->cache_gpr[C_CENTER]),
1866 					DSP_CONST(0xd), /* = 1/2 */
1867 					GPR(sc->cache_gpr[C_FRONT_R]),
1868 					&pc);
1869 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1870 
1871 				/* XXX in digital mode (default) this should be muted because
1872 				this output is shared with digital out */
1873 				EFX_SKIP(1, ANALOGMUTE);
1874 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1875 
1876 				/* (fx0+fx1)/2  to sub */
1877 				EFX_CACHE(C_SUB);
1878 				emu_addefxop(sc, MACS,
1879 					GPR(sc->cache_gpr[C_CENTER]),
1880 					GPR(sc->cache_gpr[C_CENTER]),
1881 					DSP_CONST(0xd), /* = 1/2 */
1882 					GPR(sc->cache_gpr[C_FRONT_L]),
1883 					&pc);
1884 				emu_addefxop(sc, MACS,
1885 					GPR(sc->cache_gpr[C_CENTER]),
1886 					GPR(sc->cache_gpr[C_CENTER]),
1887 					DSP_CONST(0xd), /* = 1/2 */
1888 					GPR(sc->cache_gpr[C_FRONT_R]),
1889 					&pc);
1890 				/* XXX add lowpass filter here */
1891 
1892 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1893 
1894 				/* XXX in digital mode (default) this should be muted because
1895 				this output is shared with digital out */
1896 				EFX_SKIP(1, ANALOGMUTE);
1897 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1898 			}
1899 #endif
1900 		} /* !mch_disabled */
1901 		if (sc->mch_rec) {
1902 			/*
1903 			 * MCH RECORDING , hight 16 slots. On 5.1 cards first 4 slots
1904 			 * are used as outputs and already filled with data
1905 			 */
1906 			/*
1907 			 * XXX On Live! cards stream does not begin at zero offset.
1908 			 * It can be HW, driver or sound buffering problem.
1909 			 * Use sync substream (offset 0x3E) to let userland find
1910 			 * correct data.
1911 			 */
1912 
1913 			/*
1914 			 * Substream map (in byte offsets, each substream is 2 bytes):
1915 			 *	0x00..0x1E - outputs
1916 			 *	0x20..0x3E - FX, inputs and sync stream
1917 			 */
1918 
1919 			/* First 2 channels (offset 0x20,0x22) are empty */
1920 			for(i = (sc->has_51 ? 2 : 0); i < 2; i++)
1921 				EFX_COPY(FX2(i), DSP_CONST(0));
1922 
1923 			/* PCM Playback monitoring, offset 0x24..0x2A */
1924 			for(i = 0; i < 4; i++)
1925 				EFX_COPY(FX2(i+2), FX(i));
1926 
1927 			/* Copy of some inputs, offset 0x2C..0x3C */
1928 			for(i = 0; i < 9; i++)
1929 				EFX_COPY(FX2(i+8), INP(i));
1930 
1931 			/* sync data (0xc0de, offset 0x3E) */
1932 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
1933 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
1934 
1935 			EFX_COPY(FX2(15), GPR(sc->dummy_gpr));
1936 		} /* mch_rec */
1937 	} else /* emu10k2 and later */ {
1938 		EFX_CACHE(C_FRONT_L);
1939 		EFX_CACHE(C_FRONT_R);
1940 		EFX_CACHE(C_REC_L);
1941 		EFX_CACHE(C_REC_R);
1942 
1943 		/* fx0 to front/record, 100%/muted by default */
1944 		/*
1945 		 * FRONT_[L|R] is controlled by AC97 emulation in
1946 		 * emu_ac97_[read|write]_emulation in -pcm.c
1947 		 */
1948 		EFX_ROUTE(NULL, FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1949 		EFX_ROUTE(NULL, FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1950 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1951 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1952 
1953 		/* in0, from AC97 codec output */
1954 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 100);
1955 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 100);
1956 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1957 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1958 
1959 		/* in1, from CD S/PDIF */
1960 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1961 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1962 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1963 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1964 
1965 		/* in2, optical & coax S/PDIF on AudigyDrive*/
1966 		/* XXX Should be muted when GPRSCS valid stream == 0 */
1967 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1968 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1969 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_REC_L, C_REC_L, 0);
1970 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_REC_R, C_REC_R, 0);
1971 
1972 		if (sc->dbg_level > 0) {
1973 			/* in3, unknown */
1974 			EFX_ROUTE("in3_front_l", INP(0x6), M_IN3_FRONT_L, C_FRONT_L, 0);
1975 			EFX_ROUTE("in3_front_r", INP(0x7), M_IN3_FRONT_R, C_FRONT_R, 0);
1976 			EFX_ROUTE("in3_rec_l", INP(0x6), M_IN3_REC_L, C_REC_L, 0);
1977 			EFX_ROUTE("in3_rec_r", INP(0x7), M_IN3_REC_R, C_REC_R, 0);
1978 		}
1979 
1980 		/* in4, LineIn 2 on AudigyDrive */
1981 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1982 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_FRONT_R, C_FRONT_R, 0);
1983 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_REC_L, C_REC_L, 0);
1984 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_REC_R, C_REC_R, 0);
1985 
1986 		/* in5, on-card S/PDIF */
1987 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
1988 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
1989 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
1990 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
1991 
1992 		/* in6, AUX2 on AudigyDrive */
1993 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
1994 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
1995 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_REC_L, C_REC_L, 0);
1996 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_REC_R, C_REC_R, 0);
1997 
1998 		if (sc->dbg_level > 0) {
1999 			/* in7, unknown */
2000 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
2001 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
2002 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
2003 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
2004 		}
2005 
2006 		/* front output to headphones and  alog and digital *front */
2007 		/* volume controlled by AC97 emulation */
2008 		EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_FRONT_L, 100);
2009 		EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_FRONT_R, 100);
2010 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_FRONT_L);
2011 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_FRONT_R);
2012 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_HPHONE_L);
2013 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_HPHONE_R);
2014 
2015 		/* rec output to "ADC" */
2016 		/* volume controlled by AC97 emulation */
2017 		EFX_OUTPUT(NULL, C_REC_L, M_MASTER_REC_L, A_OUT_ADC_REC_L, 100);
2018 		EFX_OUTPUT(NULL, C_REC_R, M_MASTER_REC_R, A_OUT_ADC_REC_R, 100);
2019 
2020 		if (!(sc->mch_disabled)) {
2021 			/*
2022 			 * Additional channel volume is controlled by mixer in
2023 			 * emu_dspmixer_set() in -pcm.c
2024 			 */
2025 
2026 			/* fx2/3 (pcm1) to rear */
2027 			EFX_CACHE(C_REAR_L);
2028 			EFX_CACHE(C_REAR_R);
2029 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
2030 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
2031 
2032 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, A_OUT_A_REAR_L, 100);
2033 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, A_OUT_A_REAR_R, 100);
2034 			EFX_OUTPUTD(C_REAR_L, M_MASTER_REAR_L, A_OUT_D_REAR_L);
2035 			EFX_OUTPUTD(C_REAR_R, M_MASTER_REAR_R, A_OUT_D_REAR_R);
2036 
2037 			/* fx4 (pcm2) to center */
2038 			EFX_CACHE(C_CENTER);
2039 			EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
2040 			EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2041 #if 0
2042 			/*
2043 			 * XXX in digital mode (default) this should be muted
2044 			 * because this output is shared with digital out
2045 			 */
2046 			EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2047 #endif
2048 			/* fx5 (pcm3) to sub */
2049 			EFX_CACHE(C_SUB);
2050 			EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
2051 			EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2052 #if 0
2053 			/*
2054 			 * XXX in digital mode (default) this should be muted
2055 			 * because this output is shared with digital out
2056 			 */
2057 			EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2058 #endif
2059 			if (sc->has_71) {
2060 				/* XXX this will broke headphones on AudigyDrive */
2061 				/* fx6/7 (pcm4) to side */
2062 				EFX_CACHE(C_SIDE_L);
2063 				EFX_CACHE(C_SIDE_R);
2064 				EFX_ROUTE(NULL, FX(6), M_FX6_SIDE_L, C_SIDE_L, 100);
2065 				EFX_ROUTE(NULL, FX(7), M_FX7_SIDE_R, C_SIDE_R, 100);
2066 				EFX_OUTPUT(NULL, C_SIDE_L, M_MASTER_SIDE_L, A_OUT_A_SIDE_L, 100);
2067 				EFX_OUTPUT(NULL, C_SIDE_R, M_MASTER_SIDE_R, A_OUT_A_SIDE_R, 100);
2068 				EFX_OUTPUTD(C_SIDE_L, M_MASTER_SIDE_L, A_OUT_D_SIDE_L);
2069 				EFX_OUTPUTD(C_SIDE_R, M_MASTER_SIDE_R, A_OUT_D_SIDE_R);
2070 			}
2071 		} else {	/* mch_disabled */
2072 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_REAR_L);
2073 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_REAR_R);
2074 
2075 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_REAR_L);
2076 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_REAR_R);
2077 
2078 			if (sc->has_51) {
2079 				/* (fx0+fx1)/2 to center */
2080 				EFX_CACHE(C_CENTER);
2081 				emu_addefxop(sc, MACS,
2082 					GPR(sc->cache_gpr[C_CENTER]),
2083 					GPR(sc->cache_gpr[C_CENTER]),
2084 					DSP_CONST(0xd), /* = 1/2 */
2085 					GPR(sc->cache_gpr[C_FRONT_L]),
2086 					&pc);
2087 				emu_addefxop(sc, MACS,
2088 					GPR(sc->cache_gpr[C_CENTER]),
2089 					GPR(sc->cache_gpr[C_CENTER]),
2090 					DSP_CONST(0xd), /* = 1/2 */
2091 					GPR(sc->cache_gpr[C_FRONT_R]),
2092 					&pc);
2093 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2094 
2095 				/* XXX in digital mode (default) this should be muted because
2096 				this output is shared with digital out */
2097 				EFX_SKIP(1, ANALOGMUTE);
2098 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2099 
2100 				/* (fx0+fx1)/2  to sub */
2101 				EFX_CACHE(C_SUB);
2102 				emu_addefxop(sc, MACS,
2103 					GPR(sc->cache_gpr[C_SUB]),
2104 					GPR(sc->cache_gpr[C_SUB]),
2105 					DSP_CONST(0xd), /* = 1/2 */
2106 					GPR(sc->cache_gpr[C_FRONT_L]),
2107 					&pc);
2108 				emu_addefxop(sc, MACS,
2109 					GPR(sc->cache_gpr[C_SUB]),
2110 					GPR(sc->cache_gpr[C_SUB]),
2111 					DSP_CONST(0xd), /* = 1/2 */
2112 					GPR(sc->cache_gpr[C_FRONT_R]),
2113 					&pc);
2114 				/* XXX add lowpass filter here */
2115 
2116 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2117 
2118 				/* XXX in digital mode (default) this should be muted because
2119 				this output is shared with digital out */
2120 				EFX_SKIP(1, ANALOGMUTE);
2121 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2122 			}
2123 		} /* mch_disabled */
2124 		if (sc->mch_rec) {
2125 			/* MCH RECORDING, high 32 slots */
2126 
2127 			/*
2128 			 * Stream map (in byte offsets):
2129 			 *	0x00..0x3E - outputs
2130 			 *	0x40..0x7E - FX, inputs
2131 			 *	each substream is 2 bytes.
2132 			 */
2133 			/*
2134 			 * XXX Audigy 2 Value cards (and, possibly,
2135 			 * Audigy 4) write some unknown data in place of
2136 			 * some outputs (offsets 0x20..0x3F) and one
2137 			 * input (offset 0x7E).
2138 			 */
2139 
2140 			/* PCM Playback monitoring, offsets 0x40..0x5E */
2141 			for(i = 0; i < 16; i++)
2142 				EFX_COPY(FX2(i), FX(i));
2143 
2144 			/* Copy of all inputs, offsets 0x60..0x7E */
2145 			for(i = 0; i < 16; i++)
2146 				EFX_COPY(FX2(i+16), INP(i));
2147 #if 0
2148 			/* XXX Audigy seems to work correct and does not need this */
2149 			/* sync data (0xc0de), offset 0x7E */
2150 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
2151 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
2152 			EFX_COPY(FX2(31), GPR(sc->dummy_gpr));
2153 #endif
2154 		} /* mch_rec */
2155 	}
2156 
2157 	sc->routing_code_end = pc;
2158 
2159 	/* start DSP */
2160 	if (sc->is_emu10k1) {
2161 		emu_wrptr(sc, 0, EMU_DBG, 0);
2162 	} else {
2163 		emu_wrptr(sc, 0, EMU_A_DBG, 0);
2164 	}
2165 }
2166 
2167 /* /dev/em10kx */
2168 static d_open_t		emu10kx_open;
2169 static d_close_t	emu10kx_close;
2170 static d_read_t		emu10kx_read;
2171 
2172 static struct cdevsw emu10kx_cdevsw = {
2173 	.d_open = 	emu10kx_open,
2174 	.d_close =	emu10kx_close,
2175 	.d_read = 	emu10kx_read,
2176 	.d_name = 	"emu10kx",
2177 	.d_version = 	D_VERSION,
2178 };
2179 
2180 static int
2181 emu10kx_open(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2182 {
2183 	int error;
2184 	struct emu_sc_info *sc;
2185 
2186 	sc = i_dev->si_drv1;
2187 	mtx_lock(&sc->emu10kx_lock);
2188 	if (sc->emu10kx_isopen) {
2189 		mtx_unlock(&sc->emu10kx_lock);
2190 		return (EBUSY);
2191 	}
2192 	sc->emu10kx_isopen = 1;
2193 	mtx_unlock(&sc->emu10kx_lock);
2194 	if (sbuf_new(&sc->emu10kx_sbuf, NULL, 4096, 0) == NULL) {
2195 		error = ENXIO;
2196 		goto out;
2197 	}
2198 	sc->emu10kx_bufptr = 0;
2199 	error = (emu10kx_prepare(sc, &sc->emu10kx_sbuf) > 0) ? 0 : ENOMEM;
2200 out:
2201 	if (error) {
2202 		mtx_lock(&sc->emu10kx_lock);
2203 		sc->emu10kx_isopen = 0;
2204 		mtx_unlock(&sc->emu10kx_lock);
2205 	}
2206 	return (error);
2207 }
2208 
2209 static int
2210 emu10kx_close(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2211 {
2212 	struct emu_sc_info *sc;
2213 
2214 	sc = i_dev->si_drv1;
2215 
2216 	mtx_lock(&sc->emu10kx_lock);
2217 	if (!(sc->emu10kx_isopen)) {
2218 		mtx_unlock(&sc->emu10kx_lock);
2219 		return (EBADF);
2220 	}
2221 	sbuf_delete(&sc->emu10kx_sbuf);
2222 	sc->emu10kx_isopen = 0;
2223 	mtx_unlock(&sc->emu10kx_lock);
2224 
2225 	return (0);
2226 }
2227 
2228 static int
2229 emu10kx_read(struct cdev *i_dev, struct uio *buf, int flag __unused)
2230 {
2231 	int l, err;
2232 	struct emu_sc_info *sc;
2233 
2234 	sc = i_dev->si_drv1;
2235 	mtx_lock(&sc->emu10kx_lock);
2236 	if (!(sc->emu10kx_isopen)) {
2237 		mtx_unlock(&sc->emu10kx_lock);
2238 		return (EBADF);
2239 	}
2240 	mtx_unlock(&sc->emu10kx_lock);
2241 
2242 	l = min(buf->uio_resid, sbuf_len(&sc->emu10kx_sbuf) - sc->emu10kx_bufptr);
2243 	err = (l > 0) ? uiomove(sbuf_data(&sc->emu10kx_sbuf) + sc->emu10kx_bufptr, l, buf) : 0;
2244 	sc->emu10kx_bufptr += l;
2245 
2246 	return (err);
2247 }
2248 
2249 static int
2250 emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s)
2251 {
2252 	int i;
2253 
2254 	sbuf_printf(s, "FreeBSD EMU10Kx Audio Driver\n");
2255 	sbuf_printf(s, "\nHardware resource usage:\n");
2256 	sbuf_printf(s, "DSP General Purpose Registers: %d used, %d total\n", sc->rm->num_used, sc->rm->num_gprs);
2257 	sbuf_printf(s, "DSP Instruction Registers: %d used, %d total\n", sc->routing_code_end, sc->code_size);
2258 	sbuf_printf(s, "Card supports");
2259 	if (sc->has_ac97) {
2260 		sbuf_printf(s, " AC97 codec");
2261 	} else {
2262 		sbuf_printf(s, " NO AC97 codec");
2263 	}
2264 	if (sc->has_51) {
2265 		if (sc->has_71)
2266 			sbuf_printf(s, " and 7.1 output");
2267 		else
2268 			sbuf_printf(s, " and 5.1 output");
2269 	}
2270 	if (sc->is_emu10k1)
2271 		sbuf_printf(s, ", SBLive! DSP code");
2272 	if (sc->is_emu10k2)
2273 		sbuf_printf(s, ", Audigy DSP code");
2274 	if (sc->is_ca0102)
2275 		sbuf_printf(s, ", Audigy DSP code with Audigy2 hacks");
2276 	if (sc->is_ca0108)
2277 		sbuf_printf(s, ", Audigy DSP code with Audigy2Value hacks");
2278 	sbuf_printf(s, "\n");
2279 	if (sc->broken_digital)
2280 		sbuf_printf(s, "Digital mode unsupported\n");
2281 	sbuf_printf(s, "\nInstalled devices:\n");
2282 	for (i = 0; i < RT_COUNT; i++)
2283 		if (sc->pcm[i] != NULL)
2284 			if (device_is_attached(sc->pcm[i])) {
2285 				sbuf_printf(s, "%s on %s\n", device_get_desc(sc->pcm[i]), device_get_nameunit(sc->pcm[i]));
2286 			}
2287 	if (sc->midi[0] != NULL)
2288 		if (device_is_attached(sc->midi[0])) {
2289 			sbuf_printf(s, "EMU10Kx MIDI Interface\n");
2290 			sbuf_printf(s, "\tOn-card connector on %s\n", device_get_nameunit(sc->midi[0]));
2291 		}
2292 	if (sc->midi[1] != NULL)
2293 		if (device_is_attached(sc->midi[1])) {
2294 			sbuf_printf(s, "\tOn-Drive connector on %s\n", device_get_nameunit(sc->midi[1]));
2295 		}
2296 	if (sc->midi[0] != NULL)
2297 		if (device_is_attached(sc->midi[0])) {
2298 			sbuf_printf(s, "\tIR receiver MIDI events %s\n", sc->enable_ir ? "enabled" : "disabled");
2299 		}
2300 	sbuf_printf(s, "Card is in %s mode\n", (sc->mode == MODE_ANALOG) ? "analog" : "digital");
2301 
2302 	sbuf_finish(s);
2303 	return (sbuf_len(s));
2304 }
2305 
2306 /* INIT & UNINIT */
2307 static int
2308 emu10kx_dev_init(struct emu_sc_info *sc)
2309 {
2310 	int unit;
2311 
2312 	mtx_init(&sc->emu10kx_lock, device_get_nameunit(sc->dev), "kxdevlock", 0);
2313 	unit = device_get_unit(sc->dev);
2314 
2315 	sc->cdev = make_dev(&emu10kx_cdevsw, unit, UID_ROOT, GID_WHEEL, 0640, "emu10kx%d", unit);
2316 	if (sc->cdev != NULL) {
2317 		sc->cdev->si_drv1 = sc;
2318 		return (0);
2319 	}
2320 	return (ENXIO);
2321 }
2322 
2323 static int
2324 emu10kx_dev_uninit(struct emu_sc_info *sc)
2325 {
2326 	mtx_lock(&sc->emu10kx_lock);
2327 	if (sc->emu10kx_isopen) {
2328 		mtx_unlock(&sc->emu10kx_lock);
2329 		return (EBUSY);
2330 	}
2331 	if (sc->cdev)
2332 		destroy_dev(sc->cdev);
2333 	sc->cdev = NULL;
2334 
2335 	mtx_destroy(&sc->emu10kx_lock);
2336 	return (0);
2337 }
2338 
2339 /* resource manager */
2340 int
2341 emu_rm_init(struct emu_sc_info *sc)
2342 {
2343 	int i;
2344 	int maxcount;
2345 	struct emu_rm *rm;
2346 
2347 	rm = malloc(sizeof(struct emu_rm), M_DEVBUF, M_NOWAIT | M_ZERO);
2348 	if (rm == NULL) {
2349 		return (ENOMEM);
2350 	}
2351 	sc->rm = rm;
2352 	rm->card = sc;
2353 	maxcount = sc->num_gprs;
2354 	rm->num_used = 0;
2355 	mtx_init(&(rm->gpr_lock), device_get_nameunit(sc->dev), "gpr alloc", MTX_DEF);
2356 	rm->num_gprs = (maxcount < EMU_MAX_GPR ? maxcount : EMU_MAX_GPR);
2357 	for (i = 0; i < rm->num_gprs; i++)
2358 		rm->allocmap[i] = 0;
2359 	/* pre-allocate gpr[0] */
2360 	rm->allocmap[0] = 1;
2361 	rm->last_free_gpr = 1;
2362 
2363 	return (0);
2364 }
2365 
2366 int
2367 emu_rm_uninit(struct emu_sc_info *sc)
2368 {
2369 	int i;
2370 
2371 	if (sc->dbg_level > 1) {
2372 		mtx_lock(&(sc->rm->gpr_lock));
2373 		for (i = 1; i < sc->rm->last_free_gpr; i++)
2374 			if (sc->rm->allocmap[i] > 0)
2375 				device_printf(sc->dev, "rm: gpr %d not free before uninit\n", i);
2376 		mtx_unlock(&(sc->rm->gpr_lock));
2377 	}
2378 
2379 	mtx_destroy(&(sc->rm->gpr_lock));
2380 	free(sc->rm, M_DEVBUF);
2381 	return (0);
2382 }
2383 
2384 static int
2385 emu_rm_gpr_alloc(struct emu_rm *rm, int count)
2386 {
2387 	int i, j;
2388 	int allocated_gpr;
2389 
2390 	allocated_gpr = rm->num_gprs;
2391 	/* try fast way first */
2392 	mtx_lock(&(rm->gpr_lock));
2393 	if (rm->last_free_gpr + count <= rm->num_gprs) {
2394 		allocated_gpr = rm->last_free_gpr;
2395 		rm->last_free_gpr += count;
2396 		rm->allocmap[allocated_gpr] = count;
2397 		for (i = 1; i < count; i++)
2398 			rm->allocmap[allocated_gpr + i] = -(count - i);
2399 	} else {
2400 		/* longer */
2401 		i = 0;
2402 		allocated_gpr = rm->num_gprs;
2403 		while (i < rm->last_free_gpr - count) {
2404 			if (rm->allocmap[i] > 0) {
2405 				i += rm->allocmap[i];
2406 			} else {
2407 				allocated_gpr = i;
2408 				for (j = 1; j < count; j++) {
2409 					if (rm->allocmap[i + j] != 0)
2410 						allocated_gpr = rm->num_gprs;
2411 				}
2412 				if (allocated_gpr == i)
2413 					break;
2414 			}
2415 		}
2416 		if (allocated_gpr + count < rm->last_free_gpr) {
2417 			rm->allocmap[allocated_gpr] = count;
2418 			for (i = 1; i < count; i++)
2419 				rm->allocmap[allocated_gpr + i] = -(count - i);
2420 		}
2421 	}
2422 	if (allocated_gpr == rm->num_gprs)
2423 		allocated_gpr = (-1);
2424 	if (allocated_gpr >= 0)
2425 		rm->num_used += count;
2426 	mtx_unlock(&(rm->gpr_lock));
2427 	return (allocated_gpr);
2428 }
2429 
2430 /* mixer */
2431 void
2432 emumix_set_mode(struct emu_sc_info *sc, int mode)
2433 {
2434 	uint32_t a_iocfg;
2435 	uint32_t hcfg;
2436 	uint32_t tmp;
2437 
2438 	switch (mode) {
2439 	case MODE_DIGITAL:
2440 		/* FALLTHROUGH */
2441 	case MODE_ANALOG:
2442 		break;
2443 	default:
2444 		return;
2445 	}
2446 
2447 	hcfg = EMU_HCFG_AUDIOENABLE | EMU_HCFG_AUTOMUTE;
2448 	a_iocfg = 0;
2449 
2450 	if (sc->rev >= 6)
2451 		hcfg |= EMU_HCFG_JOYENABLE;
2452 
2453 	if (sc->is_emu10k1)
2454 		hcfg |= EMU_HCFG_LOCKTANKCACHE_MASK;
2455 	else
2456 		hcfg |= EMU_HCFG_CODECFMT_I2S | EMU_HCFG_JOYENABLE;
2457 
2458 	if (mode == MODE_DIGITAL) {
2459 		if (sc->broken_digital) {
2460 			device_printf(sc->dev, "Digital mode is reported as broken on this card.\n");
2461 		}
2462 		a_iocfg |= EMU_A_IOCFG_GPOUT1;
2463 		hcfg |= EMU_HCFG_GPOUT0;
2464 	}
2465 
2466 	if (mode == MODE_ANALOG)
2467 		emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2468 
2469 	if (sc->is_emu10k2)
2470 		a_iocfg |= 0x80; /* XXX */
2471 
2472 	if ((sc->is_ca0102) || (sc->is_ca0108))
2473 		/*
2474 		 * Setting EMU_A_IOCFG_DISABLE_ANALOG will do opposite things
2475 		 * on diffrerent cards.
2476 		 * "don't disable analog outs" on Audigy 2 (ca0102/ca0108)
2477 		 * "disable analog outs" on Audigy (emu10k2)
2478 		 */
2479 		a_iocfg |= EMU_A_IOCFG_DISABLE_ANALOG;
2480 
2481 	if (sc->is_ca0108)
2482 		a_iocfg |= 0x20; /* XXX */
2483 
2484 	/* Mute analog center & subwoofer before mode change */
2485 	if (mode == MODE_DIGITAL)
2486 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 1);
2487 
2488 	emu_wr(sc, EMU_HCFG, hcfg, 4);
2489 
2490 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2491 		tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2492 		tmp = a_iocfg;
2493 		emu_wr(sc, EMU_A_IOCFG, tmp, 2);
2494 	}
2495 
2496 	/* Unmute if we have changed mode to analog. */
2497 
2498 	if (mode == MODE_ANALOG)
2499 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 0);
2500 
2501 	sc->mode = mode;
2502 }
2503 
2504 void
2505 emumix_set_spdif_mode(struct emu_sc_info *sc, int mode)
2506 {
2507 	uint32_t spcs;
2508 
2509 	switch (mode) {
2510 	case SPDIF_MODE_PCM:
2511 		break;
2512 	case SPDIF_MODE_AC3:
2513 		device_printf(sc->dev, "AC3 mode does not work and disabled\n");
2514 		return;
2515 	default:
2516 		return;
2517 	}
2518 
2519 	spcs = EMU_SPCS_CLKACCY_1000PPM | EMU_SPCS_SAMPLERATE_48 |
2520 	    EMU_SPCS_CHANNELNUM_LEFT | EMU_SPCS_SOURCENUM_UNSPEC |
2521 	    EMU_SPCS_GENERATIONSTATUS | 0x00001200 | 0x00000000 |
2522 	    EMU_SPCS_EMPHASIS_NONE | EMU_SPCS_COPYRIGHT;
2523 
2524 	mode = SPDIF_MODE_PCM;
2525 
2526 	emu_wrptr(sc, 0, EMU_SPCS0, spcs);
2527 	emu_wrptr(sc, 0, EMU_SPCS1, spcs);
2528 	emu_wrptr(sc, 0, EMU_SPCS2, spcs);
2529 }
2530 
2531 #define	L2L_POINTS	10
2532 
2533 static int l2l_df[L2L_POINTS] = {
2534 	0x572C5CA,		/* 100..90 */
2535 	0x3211625,		/* 90..80 */
2536 	0x1CC1A76,		/* 80..70 */
2537 	0x108428F,		/* 70..60 */
2538 	0x097C70A,		/* 60..50 */
2539 	0x0572C5C,		/* 50..40 */
2540 	0x0321162,		/* 40..30 */
2541 	0x01CC1A7,		/* 30..20 */
2542 	0x0108428,		/* 20..10 */
2543 	0x016493D		/* 10..0 */
2544 };
2545 
2546 static int l2l_f[L2L_POINTS] = {
2547 	0x4984461A,		/* 90 */
2548 	0x2A3968A7,		/* 80 */
2549 	0x18406003,		/* 70 */
2550 	0x0DEDC66D,		/* 60 */
2551 	0x07FFFFFF,		/* 50 */
2552 	0x04984461,		/* 40 */
2553 	0x02A3968A,		/* 30 */
2554 	0x01840600,		/* 20 */
2555 	0x00DEDC66,		/* 10 */
2556 	0x00000000		/* 0 */
2557 };
2558 
2559 static int
2560 log2lin(int log_t)
2561 {
2562 	int lin_t;
2563 	int idx, lin;
2564 
2565 	if (log_t <= 0) {
2566 		lin_t = 0x00000000;
2567 		return (lin_t);
2568 	}
2569 
2570 	if (log_t >= 100) {
2571 		lin_t = 0x7fffffff;
2572 		return (lin_t);
2573 	}
2574 
2575 	idx = (L2L_POINTS - 1) - log_t / (L2L_POINTS);
2576 	lin = log_t % (L2L_POINTS);
2577 	lin_t = l2l_df[idx] * lin + l2l_f[idx];
2578 	return (lin_t);
2579 }
2580 
2581 void
2582 emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol)
2583 {
2584 
2585 	vol = log2lin(vol);
2586 	emumix_set_gpr(sc, gpr, vol);
2587 }
2588 
2589 void
2590 emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val)
2591 {
2592 	if (sc->dbg_level > 1)
2593 		if (gpr == 0) {
2594 			device_printf(sc->dev, "Zero gpr write access\n");
2595 #ifdef KDB
2596 			kdb_backtrace();
2597 #endif
2598 			return;
2599 			}
2600 
2601 	emu_wrptr(sc, 0, GPR(gpr), val);
2602 }
2603 
2604 void
2605 emumix_set_volume(struct emu_sc_info *sc, int mixer_idx, int volume)
2606 {
2607 
2608 	RANGE(volume, 0, 100);
2609 	if (mixer_idx < NUM_MIXERS) {
2610 		sc->mixer_volcache[mixer_idx] = volume;
2611 		emumix_set_fxvol(sc, sc->mixer_gpr[mixer_idx], volume);
2612 	}
2613 }
2614 
2615 int
2616 emumix_get_volume(struct emu_sc_info *sc, int mixer_idx)
2617 {
2618 	if ((mixer_idx < NUM_MIXERS) && (mixer_idx >= 0))
2619 		return (sc->mixer_volcache[mixer_idx]);
2620 	return (-1);
2621 }
2622 
2623 /* Init CardBus part */
2624 static int
2625 emu_cardbus_init(struct emu_sc_info *sc)
2626 {
2627 
2628 	/*
2629 	 * XXX May not need this if we have EMU_IPR3 handler.
2630 	 * Is it a real init calls, or EMU_IPR3 interrupt acknowledgments?
2631 	 * Looks much like "(data << 16) | register".
2632 	 */
2633 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0000);
2634 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0001);
2635 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x005f);
2636 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x007f);
2637 
2638 	emu_wr_cbptr(sc, (0x0090 << 16) | 0x007f);
2639 
2640 	return (0);
2641 }
2642 
2643 /* Probe and attach the card */
2644 static int
2645 emu_init(struct emu_sc_info *sc)
2646 {
2647 	uint32_t ch, tmp;
2648 	uint32_t spdif_sr;
2649 	uint32_t ac97slot;
2650 	int def_mode;
2651 	int i;
2652 
2653 	/* disable audio and lock cache */
2654 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2655 
2656 	/* reset recording buffers */
2657 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2658 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2659 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2660 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2661 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2662 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2663 
2664 	/* disable channel interrupt */
2665 	emu_wr(sc, EMU_INTE, EMU_INTE_INTERTIMERENB | EMU_INTE_SAMPLERATER | EMU_INTE_PCIERRENABLE, 4);
2666 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2667 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2668 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2669 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2670 
2671 	/* disable P16V and S/PDIF interrupts */
2672 	if ((sc->is_ca0102) || (sc->is_ca0108))
2673 		emu_wr(sc, EMU_INTE2, 0, 4);
2674 
2675 	if (sc->is_ca0102)
2676 		emu_wr(sc, EMU_INTE3, 0, 4);
2677 
2678 	/* init phys inputs and outputs */
2679 	ac97slot = 0;
2680 	if (sc->has_51)
2681 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE;
2682 	if (sc->has_71)
2683 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE | EMU_AC97SLOT_REAR_LEFT | EMU_AC97SLOT_REAR_RIGHT;
2684 	if (sc->is_emu10k2)
2685 		ac97slot |= 0x40;
2686 	emu_wrptr(sc, 0, EMU_AC97SLOT, ac97slot);
2687 
2688 	if (sc->is_emu10k2)	/* XXX for later cards? */
2689 		emu_wrptr(sc, 0, EMU_SPBYPASS, 0xf00);	/* What will happen if
2690 							 * we write 1 here? */
2691 
2692 	if (bus_dma_tag_create( /* parent */ bus_get_dma_tag(sc->dev),
2693 	     /* alignment */ 2, /* boundary */ 0,
2694 	     /* lowaddr */ (1U << 31) - 1,	/* can only access 0-2gb */
2695 	     /* highaddr */ BUS_SPACE_MAXADDR,
2696 	     /* filter */ NULL, /* filterarg */ NULL,
2697 	     /* maxsize */ EMU_MAX_BUFSZ, /* nsegments */ 1, /* maxsegz */ 0x3ffff,
2698 	     /* flags */ 0, /* lockfunc */NULL, /* lockarg */NULL,
2699 	     &sc->mem.dmat) != 0) {
2700 		device_printf(sc->dev, "unable to create dma tag\n");
2701 		bus_dma_tag_destroy(sc->mem.dmat);
2702 		return (ENOMEM);
2703 	}
2704 
2705 	sc->mem.card = sc;
2706 	SLIST_INIT(&sc->mem.blocks);
2707 	sc->mem.ptb_pages = emu_malloc(&sc->mem, EMU_MAXPAGES * sizeof(uint32_t), &sc->mem.ptb_pages_addr, &sc->mem.ptb_map);
2708 	if (sc->mem.ptb_pages == NULL)
2709 		return (ENOMEM);
2710 
2711 	sc->mem.silent_page = emu_malloc(&sc->mem, EMUPAGESIZE, &sc->mem.silent_page_addr, &sc->mem.silent_map);
2712 	if (sc->mem.silent_page == NULL) {
2713 		emu_free(&sc->mem, sc->mem.ptb_pages, sc->mem.ptb_map);
2714 		return (ENOMEM);
2715 	}
2716 	/* Clear page with silence & setup all pointers to this page */
2717 	bzero(sc->mem.silent_page, EMUPAGESIZE);
2718 	tmp = (uint32_t) (sc->mem.silent_page_addr) << 1;
2719 	for (i = 0; i < EMU_MAXPAGES; i++)
2720 		sc->mem.ptb_pages[i] = tmp | i;
2721 
2722 	for (ch = 0; ch < NUM_G; ch++) {
2723 		emu_wrptr(sc, ch, EMU_CHAN_MAPA, tmp | EMU_CHAN_MAP_PTI_MASK);
2724 		emu_wrptr(sc, ch, EMU_CHAN_MAPB, tmp | EMU_CHAN_MAP_PTI_MASK);
2725 	}
2726 	emu_wrptr(sc, 0, EMU_PTB, (sc->mem.ptb_pages_addr));
2727 	emu_wrptr(sc, 0, EMU_TCB, 0);	/* taken from original driver */
2728 	emu_wrptr(sc, 0, EMU_TCBS, 0);	/* taken from original driver */
2729 
2730 	/* init envelope engine */
2731 	for (ch = 0; ch < NUM_G; ch++) {
2732 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2733 		emu_wrptr(sc, ch, EMU_CHAN_IP, 0);
2734 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0xffff);
2735 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0xffff);
2736 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2737 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2738 		emu_wrptr(sc, ch, EMU_CHAN_CCR, 0);
2739 
2740 		emu_wrptr(sc, ch, EMU_CHAN_PSST, 0);
2741 		emu_wrptr(sc, ch, EMU_CHAN_DSL, 0x10);
2742 		emu_wrptr(sc, ch, EMU_CHAN_CCCA, 0);
2743 		emu_wrptr(sc, ch, EMU_CHAN_Z1, 0);
2744 		emu_wrptr(sc, ch, EMU_CHAN_Z2, 0);
2745 		emu_wrptr(sc, ch, EMU_CHAN_FXRT, 0xd01c0000);
2746 
2747 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDM, 0);
2748 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSM, 0);
2749 		emu_wrptr(sc, ch, EMU_CHAN_IFATN, 0xffff);
2750 		emu_wrptr(sc, ch, EMU_CHAN_PEFE, 0);
2751 		emu_wrptr(sc, ch, EMU_CHAN_FMMOD, 0);
2752 		emu_wrptr(sc, ch, EMU_CHAN_TREMFRQ, 24);	/* 1 Hz */
2753 		emu_wrptr(sc, ch, EMU_CHAN_FM2FRQ2, 24);	/* 1 Hz */
2754 		emu_wrptr(sc, ch, EMU_CHAN_TEMPENV, 0);
2755 
2756 		/*** these are last so OFF prevents writing ***/
2757 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL2, 0);
2758 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL1, 0);
2759 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDV, 0);
2760 		emu_wrptr(sc, ch, EMU_CHAN_ENVVOL, 0);
2761 		emu_wrptr(sc, ch, EMU_CHAN_ENVVAL, 0);
2762 
2763 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2764 			emu_wrptr(sc, ch, 0x4c, 0x0);
2765 			emu_wrptr(sc, ch, 0x4d, 0x0);
2766 			emu_wrptr(sc, ch, 0x4e, 0x0);
2767 			emu_wrptr(sc, ch, 0x4f, 0x0);
2768 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT1, 0x3f3f3f3f);
2769 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT2, 0x3f3f3f3f);
2770 			emu_wrptr(sc, ch, EMU_A_CHAN_SENDAMOUNTS, 0x0);
2771 		}
2772 	}
2773 
2774 	emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2775 
2776 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2777 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, EMU_A_SPDIF_48000);
2778 
2779 	/*
2780 	 * CAxxxx cards needs additional setup:
2781 	 * 1. Set I2S capture sample rate to 96000
2782 	 * 2. Disable P16v / P17v proceesing
2783 	 * 3. Allow EMU10K DSP inputs
2784 	 */
2785 	if ((sc->is_ca0102) || (sc->is_ca0108)) {
2786 		spdif_sr = emu_rdptr(sc, 0, EMU_A_SPDIF_SAMPLERATE);
2787 		spdif_sr &= 0xfffff1ff;
2788 		spdif_sr |= EMU_A_I2S_CAPTURE_96000;
2789 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, spdif_sr);
2790 
2791 		/* Disable P16v processing */
2792 		emu_wr_p16vptr(sc, 0, EMU_A2_SRCSel, 0x14);
2793 
2794 		/* Setup P16v/P17v sound routing */
2795 		if (sc->is_ca0102)
2796 			emu_wr_p16vptr(sc, 0, EMU_A2_SRCMULTI_ENABLE, 0xFF00FF00);
2797 		else {
2798 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_I2S_ENABLE, 0xFF000000);
2799 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_SPDIF_ENABLE, 0xFF000000);
2800 
2801 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2802 			emu_wr(sc, EMU_A_IOCFG, tmp & ~0x8, 2);
2803 		}
2804 	}
2805 	emu_initefx(sc);
2806 
2807 	def_mode = MODE_ANALOG;
2808 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2809 		def_mode = MODE_DIGITAL;
2810 	if (((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) && (sc->broken_digital)) {
2811 		device_printf(sc->dev, "Audigy card initialized in analog mode.\n");
2812 		def_mode = MODE_ANALOG;
2813 	}
2814 	emumix_set_mode(sc, def_mode);
2815 
2816 	if (bootverbose) {
2817 		tmp = emu_rd(sc, EMU_HCFG, 4);
2818 		device_printf(sc->dev, "Card Configuration (   0x%08x )\n", tmp);
2819 		device_printf(sc->dev, "Card Configuration ( & 0xff000000 ) : %s%s%s%s%s%s%s%s\n",
2820 		    (tmp & 0x80000000 ? "[Legacy MPIC] " : ""),
2821 		    (tmp & 0x40000000 ? "[0x40] " : ""),
2822 		    (tmp & 0x20000000 ? "[0x20] " : ""),
2823 		    (tmp & 0x10000000 ? "[0x10] " : ""),
2824 		    (tmp & 0x08000000 ? "[0x08] " : ""),
2825 		    (tmp & 0x04000000 ? "[0x04] " : ""),
2826 		    (tmp & 0x02000000 ? "[0x02] " : ""),
2827 		    (tmp & 0x01000000 ? "[0x01]" : " "));
2828 		device_printf(sc->dev, "Card Configuration ( & 0x00ff0000 ) : %s%s%s%s%s%s%s%s\n",
2829 		    (tmp & 0x00800000 ? "[0x80] " : ""),
2830 		    (tmp & 0x00400000 ? "[0x40] " : ""),
2831 		    (tmp & 0x00200000 ? "[Legacy INT] " : ""),
2832 		    (tmp & 0x00100000 ? "[0x10] " : ""),
2833 		    (tmp & 0x00080000 ? "[0x08] " : ""),
2834 		    (tmp & 0x00040000 ? "[Codec4] " : ""),
2835 		    (tmp & 0x00020000 ? "[Codec2] " : ""),
2836 		    (tmp & 0x00010000 ? "[I2S Codec]" : " "));
2837 		device_printf(sc->dev, "Card Configuration ( & 0x0000ff00 ) : %s%s%s%s%s%s%s%s\n",
2838 		    (tmp & 0x00008000 ? "[0x80] " : ""),
2839 		    (tmp & 0x00004000 ? "[GPINPUT0] " : ""),
2840 		    (tmp & 0x00002000 ? "[GPINPUT1] " : ""),
2841 		    (tmp & 0x00001000 ? "[GPOUT0] " : ""),
2842 		    (tmp & 0x00000800 ? "[GPOUT1] " : ""),
2843 		    (tmp & 0x00000400 ? "[GPOUT2] " : ""),
2844 		    (tmp & 0x00000200 ? "[Joystick] " : ""),
2845 		    (tmp & 0x00000100 ? "[0x01]" : " "));
2846 		device_printf(sc->dev, "Card Configuration ( & 0x000000ff ) : %s%s%s%s%s%s%s%s\n",
2847 		    (tmp & 0x00000080 ? "[0x80] " : ""),
2848 		    (tmp & 0x00000040 ? "[0x40] " : ""),
2849 		    (tmp & 0x00000020 ? "[0x20] " : ""),
2850 		    (tmp & 0x00000010 ? "[AUTOMUTE] " : ""),
2851 		    (tmp & 0x00000008 ? "[LOCKSOUNDCACHE] " : ""),
2852 		    (tmp & 0x00000004 ? "[LOCKTANKCACHE] " : ""),
2853 		    (tmp & 0x00000002 ? "[MUTEBUTTONENABLE] " : ""),
2854 		    (tmp & 0x00000001 ? "[AUDIOENABLE]" : " "));
2855 
2856 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2857 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2858 			device_printf(sc->dev, "Audigy Card Configuration (    0x%04x )\n", tmp);
2859 			device_printf(sc->dev, "Audigy Card Configuration (  & 0xff00 )");
2860 			printf(" : %s%s%s%s%s%s%s%s\n",
2861 			    (tmp & 0x8000 ? "[Rear Speakers] " : ""),
2862 			    (tmp & 0x4000 ? "[Front Speakers] " : ""),
2863 			    (tmp & 0x2000 ? "[0x20] " : ""),
2864 			    (tmp & 0x1000 ? "[0x10] " : ""),
2865 			    (tmp & 0x0800 ? "[0x08] " : ""),
2866 			    (tmp & 0x0400 ? "[0x04] " : ""),
2867 			    (tmp & 0x0200 ? "[0x02] " : ""),
2868 			    (tmp & 0x0100 ? "[AudigyDrive Phones]" : " "));
2869 			device_printf(sc->dev, "Audigy Card Configuration (  & 0x00ff )");
2870 			printf(" : %s%s%s%s%s%s%s%s\n",
2871 			    (tmp & 0x0080 ? "[0x80] " : ""),
2872 			    (tmp & 0x0040 ? "[Mute AnalogOut] " : ""),
2873 			    (tmp & 0x0020 ? "[0x20] " : ""),
2874 			    (tmp & 0x0010 ? "[0x10] " : ""),
2875 			    (tmp & 0x0008 ? "[0x08] " : ""),
2876 			    (tmp & 0x0004 ? "[GPOUT0] " : ""),
2877 			    (tmp & 0x0002 ? "[GPOUT1] " : ""),
2878 			    (tmp & 0x0001 ? "[GPOUT2]" : " "));
2879 		}		/* is_emu10k2 or ca* */
2880 	}			/* bootverbose */
2881 	return (0);
2882 }
2883 
2884 static int
2885 emu_uninit(struct emu_sc_info *sc)
2886 {
2887 	uint32_t ch;
2888 	struct emu_memblk *blk;
2889 
2890 	emu_wr(sc, EMU_INTE, 0, 4);
2891 	for (ch = 0; ch < NUM_G; ch++)
2892 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2893 	for (ch = 0; ch < NUM_G; ch++) {
2894 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0);
2895 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0);
2896 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2897 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2898 	}
2899 
2900 	/* disable audio and lock cache */
2901 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2902 
2903 	emu_wrptr(sc, 0, EMU_PTB, 0);
2904 	/* reset recording buffers */
2905 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2906 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2907 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2908 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2909 	emu_wrptr(sc, 0, EMU_FXWC, 0);
2910 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2911 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2912 	emu_wrptr(sc, 0, EMU_TCB, 0);
2913 	emu_wrptr(sc, 0, EMU_TCBS, 0);
2914 
2915 	/* disable channel interrupt */
2916 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2917 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2918 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2919 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2920 
2921 	if (!SLIST_EMPTY(&sc->mem.blocks))
2922 		device_printf(sc->dev, "warning: memblock list not empty\n");
2923 
2924 	SLIST_FOREACH(blk, &sc->mem.blocks, link)
2925 		if (blk != NULL)
2926 		device_printf(sc->dev, "lost %d for %s\n", blk->pte_size, blk->owner);
2927 
2928 	emu_free(&sc->mem, sc->mem.ptb_pages, sc->mem.ptb_map);
2929 	emu_free(&sc->mem, sc->mem.silent_page, sc->mem.silent_map);
2930 
2931 	return (0);
2932 }
2933 
2934 static int
2935 emu_read_ivar(device_t bus, device_t dev, int ivar_index, uintptr_t * result)
2936 {
2937 	struct sndcard_func *func = device_get_ivars(dev);
2938 	struct emu_sc_info *sc = device_get_softc(bus);
2939 
2940 	if (func==NULL)
2941 		return (ENOMEM);
2942 	if (sc == NULL)
2943 		return (ENOMEM);
2944 
2945 	switch (ivar_index) {
2946 	case EMU_VAR_FUNC:
2947 		*result = func->func;
2948 		break;
2949 	case EMU_VAR_ROUTE:
2950 		if (func->varinfo == NULL)
2951 			return (ENOMEM);
2952 		*result = ((struct emu_pcminfo *)func->varinfo)->route;
2953 		break;
2954 	case EMU_VAR_ISEMU10K1:
2955 		*result = sc->is_emu10k1;
2956 		break;
2957 	case EMU_VAR_MCH_DISABLED:
2958 		*result = sc->mch_disabled;
2959 		break;
2960 	case EMU_VAR_MCH_REC:
2961 		*result = sc->mch_rec;
2962 		break;
2963 	default:
2964 		return (ENOENT);
2965 	}
2966 
2967 	return (0);
2968 }
2969 
2970 static int
2971 emu_write_ivar(device_t bus __unused, device_t dev __unused,
2972     int ivar_index, uintptr_t value __unused)
2973 {
2974 
2975 	switch (ivar_index) {
2976 		case 0:
2977 		return (EINVAL);
2978 
2979 	default:
2980 		return (ENOENT);
2981 	}
2982 }
2983 
2984 static int
2985 emu_pci_probe(device_t dev)
2986 {
2987 	unsigned int thiscard = 0;
2988 	uint16_t vendor;
2989 
2990 	vendor = pci_read_config(dev, PCIR_DEVVENDOR, /* bytes */ 2);
2991 	if (vendor != 0x1102)
2992 		return (ENXIO);	/* Not Creative */
2993 
2994 	thiscard = emu_getcard(dev);
2995 	if (thiscard == 0)
2996 		return (ENXIO);
2997 
2998 	device_set_descf(dev, "Creative %s [%s]",
2999 	    emu_cards[thiscard].desc, emu_cards[thiscard].SBcode);
3000 
3001 	return (BUS_PROBE_DEFAULT);
3002 }
3003 
3004 static int
3005 emu_pci_attach(device_t dev)
3006 {
3007 	struct sndcard_func *func;
3008 	struct emu_sc_info *sc;
3009 	struct emu_pcminfo *pcminfo;
3010 #if 0
3011 	struct emu_midiinfo *midiinfo;
3012 #endif
3013 	int i;
3014 	int device_flags;
3015 	char status[255];
3016 	int error = ENXIO;
3017 	int unit;
3018 
3019 	sc = device_get_softc(dev);
3020 	unit = device_get_unit(dev);
3021 
3022 	/* Get configuration */
3023 
3024 	sc->ctx = device_get_sysctl_ctx(dev);
3025 	if (sc->ctx == NULL)
3026 		goto bad;
3027 	sc->root = device_get_sysctl_tree(dev);
3028 	if (sc->root == NULL)
3029 		goto bad;
3030 
3031 	if (resource_int_value("emu10kx", unit, "multichannel_disabled", &(sc->mch_disabled)))
3032 		RANGE(sc->mch_disabled, 0, 1);
3033 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3034 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3035             OID_AUTO, "multichannel_disabled", CTLFLAG_RD, &(sc->mch_disabled), 0, "Multichannel playback setting");
3036 
3037 	if (resource_int_value("emu10kx", unit, "multichannel_recording", &(sc->mch_rec)))
3038 		RANGE(sc->mch_rec, 0, 1);
3039 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3040 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3041             OID_AUTO, "multichannel_recording", CTLFLAG_RD,  &(sc->mch_rec), 0, "Multichannel recording setting");
3042 
3043 	if (resource_int_value("emu10kx", unit, "debug", &(sc->dbg_level)))
3044 		RANGE(sc->mch_rec, 0, 2);
3045 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3046 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3047             OID_AUTO, "debug", CTLFLAG_RW, &(sc->dbg_level), 0, "Debug level");
3048 
3049 	/* Fill in the softc. */
3050 	mtx_init(&sc->lock, device_get_nameunit(dev), "bridge conf", MTX_DEF);
3051 	mtx_init(&sc->rw, device_get_nameunit(dev), "exclusive io", MTX_DEF);
3052 	sc->dev = dev;
3053 	sc->type = pci_get_devid(dev);
3054 	sc->rev = pci_get_revid(dev);
3055 	sc->enable_ir = 0;
3056 	sc->has_ac97 = 0;
3057 	sc->has_51 = 0;
3058 	sc->has_71 = 0;
3059 	sc->broken_digital = 0;
3060 	sc->is_emu10k1 = 0;
3061 	sc->is_emu10k2 = 0;
3062 	sc->is_ca0102 = 0;
3063 	sc->is_ca0108 = 0;
3064 	sc->is_cardbus = 0;
3065 
3066 	device_flags = emu_cards[emu_getcard(dev)].flags;
3067 	if (device_flags & HAS_51)
3068 		sc->has_51 = 1;
3069 	if (device_flags & HAS_71) {
3070 		sc->has_51 = 1;
3071 		sc->has_71 = 1;
3072 	}
3073 	if (device_flags & IS_EMU10K1)
3074 		sc->is_emu10k1 = 1;
3075 	if (device_flags & IS_EMU10K2)
3076 		sc->is_emu10k2 = 1;
3077 	if (device_flags & IS_CA0102)
3078 		sc->is_ca0102 = 1;
3079 	if (device_flags & IS_CA0108)
3080 		sc->is_ca0108 = 1;
3081 	if ((sc->is_emu10k2) && (sc->rev == 4)) {
3082 		sc->is_emu10k2 = 0;
3083 		sc->is_ca0102 = 1;	/* for unknown Audigy 2 cards */
3084 	}
3085 	if ((sc->is_ca0102 == 1) || (sc->is_ca0108 == 1))
3086 		if (device_flags & IS_CARDBUS)
3087 			sc->is_cardbus = 1;
3088 
3089 	if ((sc->is_emu10k1 + sc->is_emu10k2 + sc->is_ca0102 + sc->is_ca0108) != 1) {
3090 		device_printf(sc->dev, "Unable to detect HW chipset\n");
3091 		goto bad;
3092 	}
3093 	if (device_flags & BROKEN_DIGITAL)
3094 		sc->broken_digital = 1;
3095 	if (device_flags & HAS_AC97)
3096 		sc->has_ac97 = 1;
3097 
3098 	sc->opcode_shift = 0;
3099 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
3100 		sc->opcode_shift = 24;
3101 		sc->high_operand_shift = 12;
3102 
3103 	/*	DSP map				*/
3104 	/*	sc->fx_base = 0x0		*/
3105 		sc->input_base = 0x40;
3106 	/*	sc->p16vinput_base = 0x50;	*/
3107 		sc->output_base = 0x60;
3108 		sc->efxc_base = 0x80;
3109 	/*	sc->output32h_base = 0xa0;	*/
3110 	/*	sc->output32l_base = 0xb0;	*/
3111 		sc->dsp_zero = 0xc0;
3112 	/*	0xe0...0x100 are unknown	*/
3113 	/*	sc->tram_base = 0x200		*/
3114 	/*	sc->tram_addr_base = 0x300	*/
3115 		sc->gpr_base = EMU_A_FXGPREGBASE;
3116 		sc->num_gprs = 0x200;
3117 		sc->code_base = EMU_A_MICROCODEBASE;
3118 		sc->code_size = 0x800 / 2;	/* 0x600-0xdff,  2048 words,
3119 						 * 1024 instructions */
3120 
3121 		sc->mchannel_fx = 8;
3122 		sc->num_fxbuses = 16;
3123 		sc->num_inputs = 8;
3124 		sc->num_outputs = 16;
3125 		sc->address_mask = EMU_A_PTR_ADDR_MASK;
3126 	}
3127 	if (sc->is_emu10k1) {
3128 		sc->has_51 = 0;	/* We don't support 5.1 sound on SB Live! 5.1 */
3129 		sc->opcode_shift = 20;
3130 		sc->high_operand_shift = 10;
3131 		sc->code_base = EMU_MICROCODEBASE;
3132 		sc->code_size = 0x400 / 2;	/* 0x400-0x7ff,  1024 words,
3133 						 * 512 instructions */
3134 		sc->gpr_base = EMU_FXGPREGBASE;
3135 		sc->num_gprs = 0x100;
3136 		sc->input_base = 0x10;
3137 		sc->output_base = 0x20;
3138 		/*
3139 		 * XXX 5.1 Analog outputs are inside efxc address space!
3140 		 * They use output+0x11/+0x12 (=efxc+1/+2).
3141 		 * Don't use this efx registers for recording on SB Live! 5.1!
3142 		 */
3143 		sc->efxc_base = 0x30;
3144 		sc->dsp_zero = 0x40;
3145 		sc->mchannel_fx = 0;
3146 		sc->num_fxbuses = 8;
3147 		sc->num_inputs = 8;
3148 		sc->num_outputs = 16;
3149 		sc->address_mask = EMU_PTR_ADDR_MASK;
3150 	}
3151 	if (sc->opcode_shift == 0)
3152 		goto bad;
3153 
3154 	pci_enable_busmaster(dev);
3155 
3156 	i = PCIR_BAR(0);
3157 	sc->reg = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &i, RF_ACTIVE);
3158 	if (sc->reg == NULL) {
3159 		device_printf(dev, "unable to map register space\n");
3160 		goto bad;
3161 	}
3162 	sc->st = rman_get_bustag(sc->reg);
3163 	sc->sh = rman_get_bushandle(sc->reg);
3164 
3165 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
3166 		sc->timer[i] = 0;	/* disable it */
3167 
3168 	i = 0;
3169 	sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, RF_ACTIVE | RF_SHAREABLE);
3170 	if ((sc->irq == NULL) || bus_setup_intr(dev, sc->irq, INTR_MPSAFE | INTR_TYPE_AV,
3171 	    NULL,
3172 	    emu_intr, sc, &sc->ih)) {
3173 		device_printf(dev, "unable to map interrupt\n");
3174 		goto bad;
3175 	}
3176 	if (emu_rm_init(sc) != 0) {
3177 		device_printf(dev, "unable to create resource manager\n");
3178 		goto bad;
3179 	}
3180 	if (sc->is_cardbus)
3181 		if (emu_cardbus_init(sc) != 0) {
3182 			device_printf(dev, "unable to initialize CardBus interface\n");
3183 			goto bad;
3184 		}
3185 	if (emu_init(sc) != 0) {
3186 		device_printf(dev, "unable to initialize the card\n");
3187 		goto bad;
3188 	}
3189 	if (emu10kx_dev_init(sc) != 0) {
3190 		device_printf(dev, "unable to create control device\n");
3191 		goto bad;
3192 	}
3193 	snprintf(status, 255, "rev %d at io 0x%jx irq %jd", sc->rev, rman_get_start(sc->reg), rman_get_start(sc->irq));
3194 
3195 	/* Voices */
3196 	for (i = 0; i < NUM_G; i++) {
3197 		sc->voice[i].vnum = i;
3198 		sc->voice[i].slave = NULL;
3199 		sc->voice[i].busy = 0;
3200 		sc->voice[i].ismaster = 0;
3201 		sc->voice[i].running = 0;
3202 		sc->voice[i].b16 = 0;
3203 		sc->voice[i].stereo = 0;
3204 		sc->voice[i].speed = 0;
3205 		sc->voice[i].start = 0;
3206 		sc->voice[i].end = 0;
3207 	}
3208 
3209 	/* PCM Audio */
3210 	for (i = 0; i < RT_COUNT; i++)
3211 		sc->pcm[i] = NULL;
3212 
3213 	/* FRONT */
3214 	func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_WAITOK | M_ZERO);
3215 	pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_WAITOK | M_ZERO);
3216 	pcminfo->card = sc;
3217 	pcminfo->route = RT_FRONT;
3218 
3219 	func->func = SCF_PCM;
3220 	func->varinfo = pcminfo;
3221 	sc->pcm[RT_FRONT] = device_add_child(dev, "pcm", DEVICE_UNIT_ANY);
3222 	device_set_ivars(sc->pcm[RT_FRONT], func);
3223 
3224 	if (!(sc->mch_disabled)) {
3225 		/* REAR */
3226 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_WAITOK | M_ZERO);
3227 		pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_WAITOK | M_ZERO);
3228 		pcminfo->card = sc;
3229 		pcminfo->route = RT_REAR;
3230 
3231 		func->func = SCF_PCM;
3232 		func->varinfo = pcminfo;
3233 		sc->pcm[RT_REAR] = device_add_child(dev, "pcm", DEVICE_UNIT_ANY);
3234 		device_set_ivars(sc->pcm[RT_REAR], func);
3235 		if (sc->has_51) {
3236 			/* CENTER */
3237 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_WAITOK | M_ZERO);
3238 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_WAITOK | M_ZERO);
3239 			pcminfo->card = sc;
3240 			pcminfo->route = RT_CENTER;
3241 
3242 			func->func = SCF_PCM;
3243 			func->varinfo = pcminfo;
3244 			sc->pcm[RT_CENTER] = device_add_child(dev, "pcm", DEVICE_UNIT_ANY);
3245 			device_set_ivars(sc->pcm[RT_CENTER], func);
3246 			/* SUB */
3247 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_WAITOK | M_ZERO);
3248 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_WAITOK | M_ZERO);
3249 			pcminfo->card = sc;
3250 			pcminfo->route = RT_SUB;
3251 
3252 			func->func = SCF_PCM;
3253 			func->varinfo = pcminfo;
3254 			sc->pcm[RT_SUB] = device_add_child(dev, "pcm", DEVICE_UNIT_ANY);
3255 			device_set_ivars(sc->pcm[RT_SUB], func);
3256 		}
3257 		if (sc->has_71) {
3258 			/* SIDE */
3259 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_WAITOK | M_ZERO);
3260 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_WAITOK | M_ZERO);
3261 			pcminfo->card = sc;
3262 			pcminfo->route = RT_SIDE;
3263 
3264 			func->func = SCF_PCM;
3265 			func->varinfo = pcminfo;
3266 			sc->pcm[RT_SIDE] = device_add_child(dev, "pcm", DEVICE_UNIT_ANY);
3267 			device_set_ivars(sc->pcm[RT_SIDE], func);
3268 		}
3269 	} /* mch_disabled */
3270 
3271 	if (sc->mch_rec) {
3272 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_WAITOK | M_ZERO);
3273 		pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_WAITOK | M_ZERO);
3274 		pcminfo->card = sc;
3275 		pcminfo->route = RT_MCHRECORD;
3276 
3277 		func->func = SCF_PCM;
3278 		func->varinfo = pcminfo;
3279 		sc->pcm[RT_MCHRECORD] = device_add_child(dev, "pcm", DEVICE_UNIT_ANY);
3280 		device_set_ivars(sc->pcm[RT_MCHRECORD], func);
3281 	} /*mch_rec */
3282 
3283 	for (i = 0; i < 2; i++)
3284 		sc->midi[i] = NULL;
3285 
3286 	/* MIDI has some memory mangament and (possible) locking problems */
3287 #if 0
3288 	/* Midi Interface 1: Live!, Audigy, Audigy 2 */
3289 	if ((sc->is_emu10k1) || (sc->is_emu10k2) || (sc->is_ca0102)) {
3290 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_WAITOK | M_ZERO);
3291 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_WAITOK | M_ZERO);
3292 		midiinfo->card = sc;
3293 		if (sc->is_emu10k2 || (sc->is_ca0102)) {
3294 			midiinfo->port = EMU_A_MUDATA1;
3295 			midiinfo->portnr = 1;
3296 		}
3297 		if (sc->is_emu10k1) {
3298 			midiinfo->port = MUDATA;
3299 			midiinfo->portnr = 1;
3300 		}
3301 		func->func = SCF_MIDI;
3302 		func->varinfo = midiinfo;
3303 		sc->midi[0] = device_add_child(dev, "midi", DEVICE_UNIT_ANY);
3304 		device_set_ivars(sc->midi[0], func);
3305 	}
3306 	/* Midi Interface 2: Audigy, Audigy 2 (on AudigyDrive) */
3307 	if (sc->is_emu10k2 || (sc->is_ca0102)) {
3308 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_WAITOK | M_ZERO);
3309 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_WAITOK | M_ZERO);
3310 		midiinfo->card = sc;
3311 
3312 		midiinfo->port = EMU_A_MUDATA2;
3313 		midiinfo->portnr = 2;
3314 
3315 		func->func = SCF_MIDI;
3316 		func->varinfo = midiinfo;
3317 		sc->midi[1] = device_add_child(dev, "midi", DEVICE_UNIT_ANY);
3318 		device_set_ivars(sc->midi[1], func);
3319 	}
3320 #endif
3321 	return (bus_generic_attach(dev));
3322 
3323 bad:
3324 	/* XXX can we just call emu_pci_detach here? */
3325 	if (sc->cdev)
3326 		emu10kx_dev_uninit(sc);
3327 	if (sc->rm != NULL)
3328 		emu_rm_uninit(sc);
3329 	if (sc->reg)
3330 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3331 	if (sc->ih)
3332 		bus_teardown_intr(dev, sc->irq, sc->ih);
3333 	if (sc->irq)
3334 		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3335 	mtx_destroy(&sc->rw);
3336 	mtx_destroy(&sc->lock);
3337 	return (error);
3338 }
3339 
3340 static void
3341 emu_pci_child_deleted(device_t dev, device_t child)
3342 {
3343 	struct sndcard_func *func;
3344 
3345 	func = device_get_ivars(child);
3346 	if (func != NULL) {
3347 		free(func->varinfo, M_DEVBUF);
3348 		free(func, M_DEVBUF);
3349 	}
3350 }
3351 
3352 static int
3353 emu_pci_detach(device_t dev)
3354 {
3355 	struct emu_sc_info *sc;
3356 	int devcount, i;
3357 	device_t *childlist;
3358 	int r = 0;
3359 
3360 	sc = device_get_softc(dev);
3361 
3362 	for (i = 0; i < RT_COUNT; i++) {
3363 		if (sc->pcm[i] != NULL) {
3364 			r = device_delete_child(dev, sc->pcm[i]);
3365 			if (r)	return (r);
3366 		}
3367 	}
3368 
3369 	if (sc->midi[0] != NULL) {
3370 		r = device_delete_child(dev, sc->midi[0]);
3371 		if (r)	return (r);
3372 	}
3373 
3374 	if (sc->midi[1] != NULL) {
3375 		r = device_delete_child(dev, sc->midi[1]);
3376 		if (r)	return (r);
3377 	}
3378 
3379 	if (device_get_children(dev, &childlist, &devcount) == 0)
3380 		for (i = 0; i < devcount - 1; i++) {
3381 			device_printf(dev, "removing stale child %d (unit %d)\n", i, device_get_unit(childlist[i]));
3382 			device_delete_child(dev, childlist[i]);
3383 		}
3384 	if (childlist != NULL)
3385 		free(childlist, M_TEMP);
3386 
3387 	r = emu10kx_dev_uninit(sc);
3388 	if (r)
3389 		return (r);
3390 
3391 	/* shutdown chip */
3392 	emu_uninit(sc);
3393 	emu_rm_uninit(sc);
3394 
3395 	if (sc->mem.dmat)
3396 		bus_dma_tag_destroy(sc->mem.dmat);
3397 
3398 	if (sc->reg)
3399 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3400 	bus_teardown_intr(dev, sc->irq, sc->ih);
3401 	bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3402 	mtx_destroy(&sc->rw);
3403 	mtx_destroy(&sc->lock);
3404 
3405 	return (bus_generic_detach(dev));
3406 }
3407 /* add suspend, resume */
3408 static device_method_t emu_methods[] = {
3409 	/* Device interface */
3410 	DEVMETHOD(device_probe, emu_pci_probe),
3411 	DEVMETHOD(device_attach, emu_pci_attach),
3412 	DEVMETHOD(device_detach, emu_pci_detach),
3413 	/* Bus methods */
3414 	DEVMETHOD(bus_child_deleted, emu_pci_child_deleted),
3415 	DEVMETHOD(bus_read_ivar, emu_read_ivar),
3416 	DEVMETHOD(bus_write_ivar, emu_write_ivar),
3417 
3418 	DEVMETHOD_END
3419 };
3420 
3421 static driver_t emu_driver = {
3422 	"emu10kx",
3423 	emu_methods,
3424 	sizeof(struct emu_sc_info),
3425 	NULL,
3426 	0,
3427 	NULL
3428 };
3429 
3430 static int
3431 emu_modevent(module_t mod __unused, int cmd, void *data __unused)
3432 {
3433 	int err = 0;
3434 
3435 	switch (cmd) {
3436 	case MOD_LOAD:
3437 		break;		/* Success */
3438 
3439 	case MOD_UNLOAD:
3440 	case MOD_SHUTDOWN:
3441 
3442 		/* XXX  Should we check state of pcm & midi subdevices here? */
3443 
3444 		break;		/* Success */
3445 
3446 	default:
3447 		err = EINVAL;
3448 		break;
3449 	}
3450 
3451 	return (err);
3452 
3453 }
3454 
3455 DRIVER_MODULE(snd_emu10kx, pci, emu_driver, emu_modevent, NULL);
3456 MODULE_VERSION(snd_emu10kx, SND_EMU10KX_PREFVER);
3457