xref: /freebsd/sys/dev/sound/pci/emu10kx.c (revision f05cddf9)
1 /*-
2  * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
3  * Copyright (c) 2003-2007 Yuriy Tsibizov <yuriy.tsibizov@gfk.ru>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
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/chip.h>
53 #include <dev/sound/pcm/sound.h>
54 #include <dev/sound/pcm/ac97.h>
55 
56 #include <dev/sound/pci/emuxkireg.h>
57 #include <dev/sound/pci/emu10kx.h>
58 
59 /* hw flags */
60 #define	HAS_51		0x0001
61 #define	HAS_71		0x0002
62 #define	HAS_AC97	0x0004
63 
64 #define	IS_EMU10K1	0x0008
65 #define	IS_EMU10K2	0x0010
66 #define	IS_CA0102	0x0020
67 #define	IS_CA0108	0x0040
68 #define	IS_UNKNOWN	0x0080
69 
70 #define	BROKEN_DIGITAL	0x0100
71 #define	DIGITAL_ONLY	0x0200
72 
73 #define	IS_CARDBUS	0x0400
74 
75 #define	MODE_ANALOG	1
76 #define	MODE_DIGITAL	2
77 #define	SPDIF_MODE_PCM	1
78 #define	SPDIF_MODE_AC3	2
79 
80 #define	MACS	0x0
81 #define	MACS1	0x1
82 #define	MACW	0x2
83 #define	MACW1	0x3
84 #define	MACINTS	0x4
85 #define	MACINTW	0x5
86 #define	ACC3	0x6
87 #define	MACMV	0x7
88 #define	ANDXOR	0x8
89 #define	TSTNEG	0x9
90 #define	LIMIT	0xA
91 #define	LIMIT1	0xB
92 #define	LOG	0xC
93 #define	EXP	0xD
94 #define	INTERP	0xE
95 #define	SKIP	0xF
96 
97 #define	GPR(i)	(sc->gpr_base+(i))
98 #define	INP(i)	(sc->input_base+(i))
99 #define	OUTP(i)	(sc->output_base+(i))
100 #define	FX(i)	(i)
101 #define	FX2(i)	(sc->efxc_base+(i))
102 #define	DSP_CONST(i) (sc->dsp_zero+(i))
103 
104 #define	COND_NORMALIZED	DSP_CONST(0x1)
105 #define	COND_BORROW	DSP_CONST(0x2)
106 #define	COND_MINUS	DSP_CONST(0x3)
107 #define	COND_LESS_ZERO	DSP_CONST(0x4)
108 #define	COND_EQ_ZERO	DSP_CONST(0x5)
109 #define	COND_SATURATION	DSP_CONST(0x6)
110 #define	COND_NEQ_ZERO	DSP_CONST(0x8)
111 
112 #define	DSP_ACCUM	DSP_CONST(0x16)
113 #define	DSP_CCR		DSP_CONST(0x17)
114 
115 /* Live! Inputs */
116 #define	IN_AC97_L 	0x00
117 #define	IN_AC97_R 	0x01
118 #define	IN_AC97		IN_AC97_L
119 #define	IN_SPDIF_CD_L	0x02
120 #define	IN_SPDIF_CD_R	0x03
121 #define	IN_SPDIF_CD	IN_SPDIF_CD_L
122 #define	IN_ZOOM_L 	0x04
123 #define	IN_ZOOM_R 	0x05
124 #define	IN_ZOOM		IN_ZOOM_L
125 #define	IN_TOSLINK_L	0x06
126 #define	IN_TOSLINK_R	0x07
127 #define	IN_TOSLINK	IN_TOSLINK_L
128 #define	IN_LINE1_L	0x08
129 #define	IN_LINE1_R	0x09
130 #define	IN_LINE1	IN_LINE1_L
131 #define	IN_COAX_SPDIF_L	0x0a
132 #define	IN_COAX_SPDIF_R	0x0b
133 #define	IN_COAX_SPDIF	IN_COAX_SPDIF_L
134 #define	IN_LINE2_L	0x0c
135 #define	IN_LINE2_R	0x0d
136 #define	IN_LINE2	IN_LINE2_L
137 #define	IN_0E		0x0e
138 #define	IN_0F		0x0f
139 
140 /* Outputs */
141 #define	OUT_AC97_L	0x00
142 #define	OUT_AC97_R	0x01
143 #define	OUT_AC97	OUT_AC97_L
144 #define	OUT_A_FRONT	OUT_AC97
145 #define	OUT_TOSLINK_L 	0x02
146 #define	OUT_TOSLINK_R 	0x03
147 #define	OUT_TOSLINK	OUT_TOSLINK_L
148 #define	OUT_D_CENTER	0x04
149 #define	OUT_D_SUB	0x05
150 #define	OUT_HEADPHONE_L	0x06
151 #define	OUT_HEADPHONE_R	0x07
152 #define	OUT_HEADPHONE	OUT_HEADPHONE_L
153 #define	OUT_REAR_L	0x08
154 #define	OUT_REAR_R	0x09
155 #define	OUT_REAR	OUT_REAR_L
156 #define	OUT_ADC_REC_L 	0x0a
157 #define	OUT_ADC_REC_R	0x0b
158 #define	OUT_ADC_REC	OUT_ADC_REC_L
159 #define	OUT_MIC_CAP	0x0c
160 
161 /* Live! 5.1 Digital, non-standard 5.1 (center & sub) outputs */
162 #define	OUT_A_CENTER	0x11
163 #define	OUT_A_SUB	0x12
164 
165 /* Audigy Inputs */
166 #define	A_IN_AC97_L	0x00
167 #define	A_IN_AC97_R	0x01
168 #define	A_IN_AC97	A_IN_AC97_L
169 #define	A_IN_SPDIF_CD_L	0x02
170 #define	A_IN_SPDIF_CD_R	0x03
171 #define	A_IN_SPDIF_CD	A_IN_SPDIF_CD_L
172 #define	A_IN_O_SPDIF_L	0x04
173 #define	A_IN_O_SPDIF_R	0x05
174 #define	A_IN_O_SPDIF	A_IN_O_SPDIF_L
175 #define	A_IN_LINE2_L	0x08
176 #define	A_IN_LINE2_R	0x09
177 #define	A_IN_LINE2	A_IN_LINE2_L
178 #define	A_IN_R_SPDIF_L	0x0a
179 #define	A_IN_R_SPDIF_R	0x0b
180 #define	A_IN_R_SPDIF	A_IN_R_SPDIF_L
181 #define	A_IN_AUX2_L	0x0c
182 #define	A_IN_AUX2_R	0x0d
183 #define	A_IN_AUX2	A_IN_AUX2_L
184 
185 /* Audigy Outputs */
186 #define	A_OUT_D_FRONT_L	0x00
187 #define	A_OUT_D_FRONT_R	0x01
188 #define	A_OUT_D_FRONT	A_OUT_D_FRONT_L
189 #define	A_OUT_D_CENTER	0x02
190 #define	A_OUT_D_SUB	0x03
191 #define	A_OUT_D_SIDE_L	0x04
192 #define	A_OUT_D_SIDE_R	0x05
193 #define	A_OUT_D_SIDE	A_OUT_D_SIDE_L
194 #define	A_OUT_D_REAR_L	0x06
195 #define	A_OUT_D_REAR_R	0x07
196 #define	A_OUT_D_REAR	A_OUT_D_REAR_L
197 
198 /* on Audigy Platinum only */
199 #define	A_OUT_HPHONE_L	0x04
200 #define	A_OUT_HPHONE_R	0x05
201 #define	A_OUT_HPHONE	A_OUT_HPHONE_L
202 
203 #define	A_OUT_A_FRONT_L	0x08
204 #define	A_OUT_A_FRONT_R	0x09
205 #define	A_OUT_A_FRONT	A_OUT_A_FRONT_L
206 #define	A_OUT_A_CENTER	0x0a
207 #define	A_OUT_A_SUB	0x0b
208 #define	A_OUT_A_SIDE_L	0x0c
209 #define	A_OUT_A_SIDE_R	0x0d
210 #define	A_OUT_A_SIDE	A_OUT_A_SIDE_L
211 #define	A_OUT_A_REAR_L	0x0e
212 #define	A_OUT_A_REAR_R	0x0f
213 #define	A_OUT_A_REAR	A_OUT_A_REAR_L
214 #define	A_OUT_AC97_L	0x10
215 #define	A_OUT_AC97_R	0x11
216 #define	A_OUT_AC97	A_OUT_AC97_L
217 #define	A_OUT_ADC_REC_L	0x16
218 #define	A_OUT_ADC_REC_R	0x17
219 #define	A_OUT_ADC_REC	A_OUT_ADC_REC_L
220 
221 #define EMU_DATA2	0x24
222 #define EMU_IPR2	0x28
223 #define EMU_INTE2	0x2c
224 #define EMU_IPR3	0x38
225 #define EMU_INTE3	0x3c
226 
227 #define EMU_A2_SRCSel		0x60
228 #define EMU_A2_SRCMULTI_ENABLE	0x6e
229 
230 #define EMU_A_I2S_CAPTURE_96000	0x00000400
231 
232 #define EMU_A2_MIXER_I2S_ENABLE           0x7B
233 #define EMU_A2_MIXER_SPDIF_ENABLE         0x7A
234 
235 #define	C_FRONT_L	0
236 #define	C_FRONT_R	1
237 #define	C_REC_L		2
238 #define	C_REC_R		3
239 #define	C_REAR_L	4
240 #define	C_REAR_R	5
241 #define	C_CENTER	6
242 #define	C_SUB		7
243 #define	C_SIDE_L	8
244 #define	C_SIDE_R	9
245 #define	NUM_CACHES	10
246 
247 #define	CDSPDIFMUTE	0
248 #define	ANALOGMUTE	1
249 #define	NUM_MUTE	2
250 
251 #define	EMU_MAX_GPR	512
252 #define	EMU_MAX_IRQ_CONSUMERS 32
253 
254 struct emu_voice {
255 	int	vnum;
256 	unsigned int	b16:1, stereo:1, busy:1, running:1, ismaster:1;
257 	int	speed;
258 	int	start;
259 	int	end;
260 	int	vol;
261 	uint32_t buf;
262 	void	*vbuf;
263 	struct emu_voice *slave;
264 	uint32_t sa;
265 	uint32_t ea;
266 	uint32_t routing[8];
267 	uint32_t amounts[8];
268 };
269 
270 struct emu_memblk {
271 	SLIST_ENTRY(emu_memblk)	link;
272 	void		*buf;
273 	char		owner[16];
274 	bus_addr_t	buf_addr;
275 	uint32_t	pte_start, pte_size;
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	silent_page_addr;
283 	bus_addr_t	ptb_pages_addr;
284 	bus_dma_tag_t	dmat;
285 	struct emu_sc_info *card;
286 	SLIST_HEAD(, emu_memblk) blocks;
287 };
288 
289 /* rm */
290 struct emu_rm {
291 	struct emu_sc_info *card;
292 	struct mtx	gpr_lock;
293 	signed int	allocmap[EMU_MAX_GPR];
294 	int		num_gprs;
295 	int		last_free_gpr;
296 	int 		num_used;
297 };
298 
299 struct emu_intr_handler {
300 	void*		softc;
301 	uint32_t	intr_mask;
302 	uint32_t	inte_mask;
303 	uint32_t(*irq_func) (void *softc, uint32_t irq);
304 };
305 
306 struct emu_sc_info {
307 	struct mtx	lock;
308 	struct mtx	rw;		/* Hardware exclusive access lock */
309 
310 	/* Hardware and subdevices */
311 	device_t	dev;
312 	device_t	pcm[RT_COUNT];
313 	device_t	midi[2];
314 	uint32_t	type;
315 	uint32_t	rev;
316 
317 	bus_space_tag_t	st;
318 	bus_space_handle_t sh;
319 
320 	struct cdev	*cdev;		/* /dev/emu10k character device */
321 	struct mtx	emu10kx_lock;
322 	int		emu10kx_isopen;
323 	struct sbuf	emu10kx_sbuf;
324 	int		emu10kx_bufptr;
325 
326 
327 	/* Resources */
328 	struct resource	*reg;
329 	struct resource	*irq;
330 	void 		*ih;
331 
332 	/* IRQ handlers */
333 	struct emu_intr_handler ihandler[EMU_MAX_IRQ_CONSUMERS];
334 
335 	/* Card HW configuration */
336 	unsigned int	mode;	/* analog / digital */
337 	unsigned int	mchannel_fx;
338 	unsigned int	dsp_zero;
339 	unsigned int	code_base;
340 	unsigned int	code_size;
341 	unsigned int	gpr_base;
342 	unsigned int	num_gprs;
343 	unsigned int	input_base;
344 	unsigned int	output_base;
345 	unsigned int	efxc_base;
346 	unsigned int	opcode_shift;
347 	unsigned int	high_operand_shift;
348 	unsigned int	address_mask;
349 	uint32_t 	is_emu10k1:1, is_emu10k2, is_ca0102, is_ca0108:1,
350 			has_ac97:1, has_51:1, has_71:1,
351 			enable_ir:1,
352 			broken_digital:1, is_cardbus:1;
353 
354 	signed int	mch_disabled, mch_rec, dbg_level;
355 	signed int 	num_inputs;
356 	unsigned int 	num_outputs;
357 	unsigned int 	num_fxbuses;
358 	unsigned int 	routing_code_start;
359 	unsigned int	routing_code_end;
360 
361 	/* HW resources */
362 	struct emu_voice voice[NUM_G];			/* Hardware voices */
363 	uint32_t	irq_mask[EMU_MAX_IRQ_CONSUMERS]; /* IRQ manager data */
364 	int 		timer[EMU_MAX_IRQ_CONSUMERS];	/* timer */
365 	int		timerinterval;
366 	struct		emu_rm *rm;
367 	struct		emu_mem mem;			/* memory */
368 
369 	/* Mixer */
370 	int		mixer_gpr[NUM_MIXERS];
371 	int		mixer_volcache[NUM_MIXERS];
372 	int		cache_gpr[NUM_CACHES];
373 	int		dummy_gpr;
374 	int		mute_gpr[NUM_MUTE];
375 	struct sysctl_ctx_list	*ctx;
376 	struct sysctl_oid	*root;
377 };
378 
379 static void	emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error);
380 static void*	emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr);
381 static void	emu_free(struct emu_mem *mem, void *dmabuf);
382 static void*	emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char * owner);
383 static int	emu_memfree(struct emu_mem *mem, void *membuf);
384 static int	emu_memstart(struct emu_mem *mem, void *membuf);
385 
386 /* /dev */
387 static int	emu10kx_dev_init(struct emu_sc_info *sc);
388 static int	emu10kx_dev_uninit(struct emu_sc_info *sc);
389 static int	emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s);
390 
391 static void	emumix_set_mode(struct emu_sc_info *sc, int mode);
392 static void	emumix_set_spdif_mode(struct emu_sc_info *sc, int mode);
393 static void	emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol);
394 static void	emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val);
395 static int	sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS);
396 
397 static int	emu_rm_init(struct emu_sc_info *sc);
398 static int	emu_rm_uninit(struct emu_sc_info *sc);
399 static int	emu_rm_gpr_alloc(struct emu_rm *rm, int count);
400 
401 static unsigned int emu_getcard(device_t dev);
402 static uint32_t	emu_rd_nolock(struct emu_sc_info *sc, unsigned int regno, unsigned int size);
403 static void	emu_wr_nolock(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size);
404 static void	emu_wr_cbptr(struct emu_sc_info *sc, uint32_t data);
405 
406 static void	emu_vstop(struct emu_sc_info *sc, char channel, int enable);
407 
408 static void	emu_intr(void *p);
409 static void	emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data);
410 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);
411 static void	emu_initefx(struct emu_sc_info *sc);
412 
413 static int	emu_cardbus_init(struct emu_sc_info *sc);
414 static int	emu_init(struct emu_sc_info *sc);
415 static int	emu_uninit(struct emu_sc_info *sc);
416 
417 static int	emu_read_ivar(device_t bus __unused, device_t dev, int ivar_index, uintptr_t * result);
418 static int	emu_write_ivar(device_t bus __unused, device_t dev __unused,
419     int ivar_index, uintptr_t value __unused);
420 
421 static int	emu_pci_probe(device_t dev);
422 static int	emu_pci_attach(device_t dev);
423 static int	emu_pci_detach(device_t dev);
424 static int	emu_modevent(module_t mod __unused, int cmd, void *data __unused);
425 
426 #ifdef	SND_EMU10KX_DEBUG
427 
428 #define EMU_MTX_DEBUG() do { 						\
429 		if (mtx_owned(&sc->rw)) {				\
430 		printf("RW owned in %s line %d for %s\n", __func__,	\
431 			__LINE__ , device_get_nameunit(sc->dev));	\
432 		printf("rw lock owned: %d\n", mtx_owned(&sc->rw));	\
433 		printf("rw lock: value %x thread %x\n",			\
434 			((&sc->rw)->mtx_lock & ~MTX_FLAGMASK), 		\
435 			(uintptr_t)curthread);				\
436 		printf("rw lock: recursed %d\n", mtx_recursed(&sc->rw));\
437 		db_show_mtx(&sc->rw);					\
438 		}							\
439 	} while (0)
440 #else
441 #define EMU_MTX_DEBUG() do { 						\
442 	} while (0)
443 #endif
444 
445 #define EMU_RWLOCK() do {		\
446 	EMU_MTX_DEBUG();		\
447 	mtx_lock(&(sc->rw));		\
448 	} while (0)
449 
450 #define EMU_RWUNLOCK() do {		\
451 	mtx_unlock(&(sc->rw));		\
452 	EMU_MTX_DEBUG();		\
453 	} while (0)
454 
455 /* Supported cards */
456 struct emu_hwinfo {
457 	uint16_t	vendor;
458 	uint16_t	device;
459 	uint16_t	subvendor;
460 	uint16_t	subdevice;
461 	char		SBcode[8];
462 	char		desc[32];
463 	int		flags;
464 };
465 
466 static struct emu_hwinfo emu_cards[] = {
467 	{0xffff, 0xffff, 0xffff, 0xffff, "BADCRD", "Not a compatible card", 0},
468 	/* 0x0020..0x002f 4.0 EMU10K1 cards */
469 	{0x1102, 0x0002, 0x1102, 0x0020, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
470 	{0x1102, 0x0002, 0x1102, 0x0021, "CT4620", "SBLive!", HAS_AC97 | IS_EMU10K1},
471 	{0x1102, 0x0002, 0x1102, 0x002f, "CT????", "SBLive! mainboard implementation", HAS_AC97 | IS_EMU10K1},
472 
473 	/* (range unknown) 5.1 EMU10K1 cards */
474 	{0x1102, 0x0002, 0x1102, 0x100a, "CT????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
475 
476 	/* 0x80??..0x805? 4.0 EMU10K1 cards */
477 	{0x1102, 0x0002, 0x1102, 0x8022, "CT4780", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
478 	{0x1102, 0x0002, 0x1102, 0x8023, "CT4790", "SB PCI512", HAS_AC97 | IS_EMU10K1},
479 	{0x1102, 0x0002, 0x1102, 0x8024, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
480 	{0x1102, 0x0002, 0x1102, 0x8025, "CT????", "SBLive! Mainboard Implementation", HAS_AC97 | IS_EMU10K1},
481 	{0x1102, 0x0002, 0x1102, 0x8026, "CT4830", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
482 	{0x1102, 0x0002, 0x1102, 0x8027, "CT4832", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
483 	{0x1102, 0x0002, 0x1102, 0x8028, "CT4760", "SBLive! OEM version", HAS_AC97 | IS_EMU10K1},
484 	{0x1102, 0x0002, 0x1102, 0x8031, "CT4831", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
485 	{0x1102, 0x0002, 0x1102, 0x8040, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
486 	{0x1102, 0x0002, 0x1102, 0x8051, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
487 
488 	/* 0x8061..0x???? 5.1 EMU10K1  cards */
489 	{0x1102, 0x0002, 0x1102, 0x8061, "SB????", "SBLive! Player 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
490 	{0x1102, 0x0002, 0x1102, 0x8062, "CT4830", "SBLive! 1024", HAS_AC97 | HAS_51 | IS_EMU10K1},
491 	{0x1102, 0x0002, 0x1102, 0x8064, "SB????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
492 	{0x1102, 0x0002, 0x1102, 0x8065, "SB0220", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
493 	{0x1102, 0x0002, 0x1102, 0x8066, "CT4780", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
494 	{0x1102, 0x0002, 0x1102, 0x8067, "SB????", "SBLive!", HAS_AC97 | HAS_51 | IS_EMU10K1},
495 
496 	/* Generic SB Live! */
497 	{0x1102, 0x0002, 0x1102, 0x0000, "SB????", "SBLive! (Unknown model)", HAS_AC97 | IS_EMU10K1},
498 
499 	/* 0x0041..0x0043 EMU10K2 (some kind of Audigy) cards */
500 
501 	/* 0x0051..0x0051 5.1 CA0100-IAF cards */
502 	{0x1102, 0x0004, 0x1102, 0x0051, "SB0090", "Audigy", HAS_AC97 | HAS_51 | IS_EMU10K2},
503 	/* ES is CA0100-IDF chip that don't work in digital mode */
504 	{0x1102, 0x0004, 0x1102, 0x0052, "SB0160", "Audigy ES", HAS_AC97 | HAS_71 | IS_EMU10K2 | BROKEN_DIGITAL},
505 	/* 0x0053..0x005C 5.1 CA0101-NAF cards */
506 	{0x1102, 0x0004, 0x1102, 0x0053, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
507 	{0x1102, 0x0004, 0x1102, 0x0058, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
508 
509 	/* 0x1002..0x1009 5.1 CA0102-IAT cards */
510 	{0x1102, 0x0004, 0x1102, 0x1002, "SB????", "Audigy 2 Platinum", HAS_51 | IS_CA0102},
511 	{0x1102, 0x0004, 0x1102, 0x1005, "SB????", "Audigy 2 Platinum EX", HAS_51 | IS_CA0102},
512 	{0x1102, 0x0004, 0x1102, 0x1007, "SB0240", "Audigy 2", HAS_AC97 | HAS_51 | IS_CA0102},
513 
514 	/* 0x2001..0x2003 7.1 CA0102-ICT cards */
515 	{0x1102, 0x0004, 0x1102, 0x2001, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
516 	{0x1102, 0x0004, 0x1102, 0x2002, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
517 	/* XXX No reports about 0x2003 & 0x2004 cards */
518 	{0x1102, 0x0004, 0x1102, 0x2003, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
519 	{0x1102, 0x0004, 0x1102, 0x2004, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
520 	{0x1102, 0x0004, 0x1102, 0x2005, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
521 
522 	/* (range unknown) 7.1 CA0102-xxx Audigy 4 cards */
523 	{0x1102, 0x0004, 0x1102, 0x2007, "SB0380", "Audigy 4 Pro", HAS_AC97 | HAS_71 | IS_CA0102},
524 
525 	/* Generic Audigy or Audigy 2 */
526 	{0x1102, 0x0004, 0x1102, 0x0000, "SB????", "Audigy (Unknown model)", HAS_AC97 | HAS_51 | IS_EMU10K2},
527 
528 	/* We don't support CA0103-DAT (Audigy LS) cards */
529 	/* There is NO CA0104-xxx cards */
530 	/* There is NO CA0105-xxx cards */
531 	/* We don't support CA0106-DAT (SB Live! 24 bit) cards */
532 	/* There is NO CA0107-xxx cards */
533 
534 	/* 0x1000..0x1001 7.1 CA0108-IAT cards */
535 	{0x1102, 0x0008, 0x1102, 0x1000, "SB????", "Audigy 2 LS", HAS_AC97 | HAS_51 | IS_CA0108 | DIGITAL_ONLY},
536 	{0x1102, 0x0008, 0x1102, 0x1001, "SB0400", "Audigy 2 Value", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
537 	{0x1102, 0x0008, 0x1102, 0x1021, "SB0610", "Audigy 4", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
538 
539 	{0x1102, 0x0008, 0x1102, 0x2001, "SB0530", "Audigy 2 ZS CardBus", HAS_AC97 | HAS_71 | IS_CA0108 | IS_CARDBUS},
540 
541 	{0x1102, 0x0008, 0x0000, 0x0000, "SB????", "Audigy 2 Value (Unknown model)", HAS_AC97 | HAS_51 | IS_CA0108},
542 };
543 /* Unsupported cards */
544 
545 static struct emu_hwinfo emu_bad_cards[] = {
546 	/* APS cards should be possible to support */
547 	{0x1102, 0x0002, 0x1102, 0x4001, "EMUAPS", "E-mu APS", 0},
548 	{0x1102, 0x0002, 0x1102, 0x4002, "EMUAPS", "E-mu APS", 0},
549 	{0x1102, 0x0004, 0x1102, 0x4001, "EMU???", "E-mu 1212m [4001]", 0},
550 	/* Similar-named ("Live!" or "Audigy") cards on different chipsets */
551 	{0x1102, 0x8064, 0x0000, 0x0000, "SB0100", "SBLive! 5.1 OEM", 0},
552 	{0x1102, 0x0006, 0x0000, 0x0000, "SB0200", "DELL OEM SBLive! Value", 0},
553 	{0x1102, 0x0007, 0x0000, 0x0000, "SB0310", "Audigy LS", 0},
554 };
555 
556 /*
557  * Get best known information about device.
558  */
559 static unsigned int
560 emu_getcard(device_t dev)
561 {
562 	uint16_t device;
563 	uint16_t subdevice;
564 	int n_cards;
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 	n_cards = sizeof(emu_cards) / sizeof(struct emu_hwinfo);
572 	thiscard = 0;
573 	for (i = 1; i < n_cards; i++) {
574 		if (device == emu_cards[i].device) {
575 			if (subdevice == emu_cards[i].subdevice) {
576 				thiscard = i;
577 				break;
578 			}
579 			if (0x0000 == emu_cards[i].subdevice) {
580 				thiscard = i;
581 				/*
582 				 * don't break, we can get more specific card
583 				 * later in the list.
584 				 */
585 			}
586 		}
587 	}
588 
589 	n_cards = sizeof(emu_bad_cards) / sizeof(struct emu_hwinfo);
590 	for (i = 0; i < n_cards; i++) {
591 		if (device == emu_bad_cards[i].device) {
592 			if (subdevice == emu_bad_cards[i].subdevice) {
593 				thiscard = 0;
594 				break;
595 			}
596 			if (0x0000 == emu_bad_cards[i].subdevice) {
597 				thiscard = 0;
598 				break;	/* we avoid all this cards */
599 			}
600 		}
601 	}
602 	return (thiscard);
603 }
604 
605 
606 /*
607  * Base hardware interface are 32 (Audigy) or 64 (Audigy2) registers.
608  * Some of them are used directly, some of them provide pointer / data pairs.
609  */
610 static uint32_t
611 emu_rd_nolock(struct emu_sc_info *sc, unsigned int regno, unsigned int size)
612 {
613 
614 	KASSERT(sc != NULL, ("emu_rd: NULL sc"));
615 	switch (size) {
616 	case 1:
617 		return (bus_space_read_1(sc->st, sc->sh, regno));
618 	case 2:
619 		return (bus_space_read_2(sc->st, sc->sh, regno));
620 	case 4:
621 		return (bus_space_read_4(sc->st, sc->sh, regno));
622 	}
623 	return (0xffffffff);
624 }
625 
626 static void
627 emu_wr_nolock(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size)
628 {
629 
630 	KASSERT(sc != NULL, ("emu_rd: NULL sc"));
631 	switch (size) {
632 	case 1:
633 		bus_space_write_1(sc->st, sc->sh, regno, data);
634 		break;
635 	case 2:
636 		bus_space_write_2(sc->st, sc->sh, regno, data);
637 		break;
638 	case 4:
639 		bus_space_write_4(sc->st, sc->sh, regno, data);
640 		break;
641 	}
642 }
643 /*
644  * EMU_PTR / EMU_DATA interface. Access to EMU10Kx is made
645  * via (channel, register) pair. Some registers are channel-specific,
646  * some not.
647  */
648 uint32_t
649 emu_rdptr(struct emu_sc_info *sc, unsigned int chn, unsigned int reg)
650 {
651 	uint32_t ptr, val, mask, size, offset;
652 
653 	ptr = ((reg << 16) & sc->address_mask) | (chn & EMU_PTR_CHNO_MASK);
654 
655 	EMU_RWLOCK();
656 	emu_wr_nolock(sc, EMU_PTR, ptr, 4);
657 	val = emu_rd_nolock(sc, EMU_DATA, 4);
658 	EMU_RWUNLOCK();
659 
660 	/*
661 	 * XXX Some register numbers has data size and offset encoded in
662 	 * it to get only part of 32bit register. This use is not described
663 	 * in register name, be careful!
664 	 */
665 	if (reg & 0xff000000) {
666 		size = (reg >> 24) & 0x3f;
667 		offset = (reg >> 16) & 0x1f;
668 		mask = ((1 << size) - 1) << offset;
669 		val &= mask;
670 		val >>= offset;
671 	}
672 	return (val);
673 }
674 
675 void
676 emu_wrptr(struct emu_sc_info *sc, unsigned int chn, unsigned int reg, uint32_t data)
677 {
678 	uint32_t ptr, mask, size, offset;
679 
680 	ptr = ((reg << 16) & sc->address_mask) | (chn & EMU_PTR_CHNO_MASK);
681 
682 	EMU_RWLOCK();
683 	emu_wr_nolock(sc, EMU_PTR, ptr, 4);
684 	/*
685 	 * XXX Another kind of magic encoding in register number. This can
686 	 * give you side effect - it will read previous data from register
687 	 * and change only required bits.
688 	 */
689 	if (reg & 0xff000000) {
690 		size = (reg >> 24) & 0x3f;
691 		offset = (reg >> 16) & 0x1f;
692 		mask = ((1 << size) - 1) << offset;
693 		data <<= offset;
694 		data &= mask;
695 		data |= emu_rd_nolock(sc, EMU_DATA, 4) & ~mask;
696 	}
697 	emu_wr_nolock(sc, EMU_DATA, data, 4);
698 	EMU_RWUNLOCK();
699 }
700 /*
701  * EMU_A2_PTR / EMU_DATA2 interface. Access to P16v is made
702  * via (channel, register) pair. Some registers are channel-specific,
703  * some not. This interface is supported by CA0102 and CA0108 chips only.
704  */
705 uint32_t
706 emu_rd_p16vptr(struct emu_sc_info *sc, uint16_t chn, uint16_t reg)
707 {
708 	uint32_t val;
709 
710 	/* XXX separate lock? */
711 	EMU_RWLOCK();
712 	emu_wr_nolock(sc, EMU_A2_PTR, (reg << 16) | chn, 4);
713 	val = emu_rd_nolock(sc, EMU_DATA2, 4);
714 
715 	EMU_RWUNLOCK();
716 
717 	return (val);
718 }
719 
720 void
721 emu_wr_p16vptr(struct emu_sc_info *sc, uint16_t chn, uint16_t reg, uint32_t data)
722 {
723 
724 	EMU_RWLOCK();
725 	emu_wr_nolock(sc, EMU_A2_PTR, (reg << 16) | chn, 4);
726 	emu_wr_nolock(sc, EMU_DATA2, data, 4);
727 	EMU_RWUNLOCK();
728 }
729 /*
730  * XXX CardBus interface. Not tested on any real hardware.
731  */
732 static void
733 emu_wr_cbptr(struct emu_sc_info *sc, uint32_t data)
734 {
735 	uint32_t val;
736 
737 	/*
738 	 * 0x38 is IPE3 (CD S/PDIF interrupt pending register) on CA0102. Seems
739 	 * to be some reg/value accessible kind of config register on CardBus
740 	 * CA0108, with value(?) in top 16 bit, address(?) in low 16
741 	 */
742 
743 	val = emu_rd_nolock(sc, 0x38, 4);
744 	emu_wr_nolock(sc, 0x38, data, 4);
745 	val = emu_rd_nolock(sc, 0x38, 4);
746 
747 }
748 
749 /*
750  * Direct hardware register access
751  * Assume that it is never used to access EMU_PTR-based registers and can run unlocked.
752  */
753 void
754 emu_wr(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size)
755 {
756 	KASSERT(regno != EMU_PTR, ("emu_wr: attempt to write to EMU_PTR"));
757 	KASSERT(regno != EMU_A2_PTR, ("emu_wr: attempt to write to EMU_A2_PTR"));
758 
759 	emu_wr_nolock(sc, regno, data, size);
760 }
761 
762 uint32_t
763 emu_rd(struct emu_sc_info *sc, unsigned int regno, unsigned int size)
764 {
765 	uint32_t rd;
766 
767 	KASSERT(regno != EMU_DATA, ("emu_rd: attempt to read DATA"));
768 	KASSERT(regno != EMU_DATA2, ("emu_rd: attempt to read DATA2"));
769 
770 	rd = emu_rd_nolock(sc, regno, size);
771 	return (rd);
772 }
773 
774 /*
775  * Enabling IR MIDI messages is another kind of black magic. It just
776  * has to be made this way. It really do it.
777  */
778 void
779 emu_enable_ir(struct emu_sc_info *sc)
780 {
781 	uint32_t iocfg;
782 
783 	if (sc->is_emu10k2 || sc->is_ca0102) {
784 		iocfg = emu_rd_nolock(sc, EMU_A_IOCFG, 2);
785 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT2, 2);
786 		DELAY(500);
787 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1 | EMU_A_IOCFG_GPOUT2, 2);
788 		DELAY(500);
789 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1, 2);
790 		DELAY(100);
791 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg, 2);
792 		device_printf(sc->dev, "Audigy IR MIDI events enabled.\n");
793 		sc->enable_ir = 1;
794 	}
795 	if (sc->is_emu10k1) {
796 		iocfg = emu_rd_nolock(sc, EMU_HCFG, 4);
797 		emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT2, 4);
798 		DELAY(500);
799 		emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT1 | EMU_HCFG_GPOUT2, 4);
800 		DELAY(100);
801 		emu_wr_nolock(sc, EMU_HCFG, iocfg, 4);
802 		device_printf(sc->dev, "SB Live! IR MIDI events enabled.\n");
803 		sc->enable_ir = 1;
804 	}
805 }
806 
807 
808 /*
809  * emu_timer_ - HW timer management
810  */
811 int
812 emu_timer_create(struct emu_sc_info *sc)
813 {
814 	int i, timer;
815 
816 	timer = -1;
817 
818 	mtx_lock(&sc->lock);
819 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
820 		if (sc->timer[i] == 0) {
821 			sc->timer[i] = -1;	/* disable it */
822 			timer = i;
823 			mtx_unlock(&sc->lock);
824 			return (timer);
825 		}
826 	mtx_unlock(&sc->lock);
827 
828 	return (-1);
829 }
830 
831 int
832 emu_timer_set(struct emu_sc_info *sc, int timer, int delay)
833 {
834 	int i;
835 
836 	if (timer < 0)
837 		return (-1);
838 
839 	RANGE(delay, 16, 1024);
840 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
841 
842 	mtx_lock(&sc->lock);
843 	sc->timer[timer] = delay;
844 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
845 		if (sc->timerinterval > sc->timer[i])
846 			sc->timerinterval = sc->timer[i];
847 
848 	/* XXX */
849 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
850 	mtx_unlock(&sc->lock);
851 
852 	return (timer);
853 }
854 
855 int
856 emu_timer_enable(struct emu_sc_info *sc, int timer, int go)
857 {
858 	uint32_t x;
859 	int ena_int;
860 	int i;
861 
862 	if (timer < 0)
863 		return (-1);
864 
865 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
866 
867 	mtx_lock(&sc->lock);
868 
869 	if ((go == 1) && (sc->timer[timer] < 0))
870 		sc->timer[timer] = -sc->timer[timer];
871 	if ((go == 0) && (sc->timer[timer] > 0))
872 		sc->timer[timer] = -sc->timer[timer];
873 
874 	ena_int = 0;
875 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
876 		if (sc->timerinterval > sc->timer[i])
877 			sc->timerinterval = sc->timer[i];
878 		if (sc->timer[i] > 0)
879 			ena_int = 1;
880 	}
881 
882 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
883 
884 	if (ena_int == 1) {
885 		x = emu_rd(sc, EMU_INTE, 4);
886 		x |= EMU_INTE_INTERTIMERENB;
887 		emu_wr(sc, EMU_INTE, x, 4);
888 	} else {
889 		x = emu_rd(sc, EMU_INTE, 4);
890 		x &= ~EMU_INTE_INTERTIMERENB;
891 		emu_wr(sc, EMU_INTE, x, 4);
892 	}
893 	mtx_unlock(&sc->lock);
894 	return (0);
895 }
896 
897 int
898 emu_timer_clear(struct emu_sc_info *sc, int timer)
899 {
900 	if (timer < 0)
901 		return (-1);
902 
903 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
904 
905 	emu_timer_enable(sc, timer, 0);
906 
907 	mtx_lock(&sc->lock);
908 	if (sc->timer[timer] != 0)
909 		sc->timer[timer] = 0;
910 	mtx_unlock(&sc->lock);
911 
912 	return (timer);
913 }
914 
915 /*
916  * emu_intr_ - HW interrupt handler management
917  */
918 int
919 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)
920 {
921 	int i;
922 	uint32_t x;
923 
924 	mtx_lock(&sc->lock);
925 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
926 		if (sc->ihandler[i].inte_mask == 0) {
927 			sc->ihandler[i].inte_mask = inte_mask;
928 			sc->ihandler[i].intr_mask = intr_mask;
929 			sc->ihandler[i].softc = isc;
930 			sc->ihandler[i].irq_func = func;
931 			x = emu_rd(sc, EMU_INTE, 4);
932 			x |= inte_mask;
933 			emu_wr(sc, EMU_INTE, x, 4);
934 			mtx_unlock(&sc->lock);
935 			if (sc->dbg_level > 1)
936 				device_printf(sc->dev, "ihandle %d registered\n", i);
937 
938 			return (i);
939 		}
940 	mtx_unlock(&sc->lock);
941 	if (sc->dbg_level > 1)
942 		device_printf(sc->dev, "ihandle not registered\n");
943 
944 	return (-1);
945 }
946 
947 int
948 emu_intr_unregister(struct emu_sc_info *sc, int hnumber)
949 {
950 	uint32_t x;
951 	int i;
952 
953 	mtx_lock(&sc->lock);
954 
955 	if (sc->ihandler[hnumber].inte_mask == 0) {
956 		mtx_unlock(&sc->lock);
957 		return (-1);
958 	}
959 
960 	x = emu_rd(sc, EMU_INTE, 4);
961 	x &= ~sc->ihandler[hnumber].inte_mask;
962 
963 	sc->ihandler[hnumber].inte_mask = 0;
964 	sc->ihandler[hnumber].intr_mask = 0;
965 	sc->ihandler[hnumber].softc = NULL;
966 	sc->ihandler[hnumber].irq_func = NULL;
967 
968 	/* other interrupt handlers may use this EMU_INTE value */
969 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
970 		if (sc->ihandler[i].inte_mask != 0)
971 			x |= sc->ihandler[i].inte_mask;
972 
973 	emu_wr(sc, EMU_INTE, x, 4);
974 
975 	mtx_unlock(&sc->lock);
976 	return (hnumber);
977 }
978 
979 static void
980 emu_intr(void *p)
981 {
982 	struct emu_sc_info *sc = (struct emu_sc_info *)p;
983 	uint32_t stat, ack;
984 	int i;
985 
986 	for (;;) {
987 		stat = emu_rd(sc, EMU_IPR, 4);
988 		ack = 0;
989 		if (stat == 0)
990 			break;
991 		emu_wr(sc, EMU_IPR, stat, 4);
992 		for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
993 			if ((((sc->ihandler[i].intr_mask) & stat) != 0) &&
994 			    (((void *)sc->ihandler[i].irq_func) != NULL)) {
995 				ack |= sc->ihandler[i].irq_func(sc->ihandler[i].softc,
996 				    (sc->ihandler[i].intr_mask) & stat);
997 			}
998 		}
999 	if (sc->dbg_level > 1)
1000 		if (stat & (~ack))
1001 			device_printf(sc->dev, "Unhandled interrupt: %08x\n", stat & (~ack));
1002 
1003 	}
1004 
1005 	if ((sc->is_ca0102) || (sc->is_ca0108))
1006 		for (;;) {
1007 			stat = emu_rd(sc, EMU_IPR2, 4);
1008 			ack = 0;
1009 			if (stat == 0)
1010 				break;
1011 			emu_wr(sc, EMU_IPR2, stat, 4);
1012 			if (sc->dbg_level > 1)
1013 				device_printf(sc->dev, "EMU_IPR2: %08x\n", stat);
1014 
1015 			break;	/* to avoid infinite loop. should be removed
1016 				 * after completion of P16V interface. */
1017 		}
1018 
1019 	if (sc->is_ca0102)
1020 		for (;;) {
1021 			stat = emu_rd(sc, EMU_IPR3, 4);
1022 			ack = 0;
1023 			if (stat == 0)
1024 				break;
1025 			emu_wr(sc, EMU_IPR3, stat, 4);
1026 			if (sc->dbg_level > 1)
1027 				device_printf(sc->dev, "EMU_IPR3: %08x\n", stat);
1028 
1029 			break;	/* to avoid infinite loop. should be removed
1030 				 * after completion of S/PDIF interface */
1031 		}
1032 }
1033 
1034 
1035 /*
1036  * Get data from private emu10kx structure for PCM buffer allocation.
1037  * Used by PCM code only.
1038  */
1039 bus_dma_tag_t
1040 emu_gettag(struct emu_sc_info *sc)
1041 {
1042 	return (sc->mem.dmat);
1043 }
1044 
1045 static void
1046 emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error)
1047 {
1048 	bus_addr_t *phys = (bus_addr_t *) arg;
1049 
1050 	*phys = error ? 0 : (bus_addr_t) segs->ds_addr;
1051 
1052 	if (bootverbose) {
1053 		printf("emu10kx: setmap (%lx, %lx), nseg=%d, error=%d\n",
1054 		    (unsigned long)segs->ds_addr, (unsigned long)segs->ds_len,
1055 		    nseg, error);
1056 	}
1057 }
1058 
1059 static void *
1060 emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr)
1061 {
1062 	void *dmabuf;
1063 	bus_dmamap_t map;
1064 	int error;
1065 
1066 	*addr = 0;
1067 	if ((error = bus_dmamem_alloc(mem->dmat, &dmabuf, BUS_DMA_NOWAIT, &map))) {
1068 		if (mem->card->dbg_level > 2)
1069 			device_printf(mem->card->dev, "emu_malloc: failed to alloc DMA map: %d\n", error);
1070 		return (NULL);
1071 		}
1072 	if ((error = bus_dmamap_load(mem->dmat, map, dmabuf, sz, emu_setmap, addr, 0)) || !*addr) {
1073 		if (mem->card->dbg_level > 2)
1074 			device_printf(mem->card->dev, "emu_malloc: failed to load DMA memory: %d\n", error);
1075 		return (NULL);
1076 		}
1077 	return (dmabuf);
1078 }
1079 
1080 static void
1081 emu_free(struct emu_mem *mem, void *dmabuf)
1082 {
1083 	bus_dmamem_free(mem->dmat, dmabuf, NULL);
1084 }
1085 
1086 static void *
1087 emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char *owner)
1088 {
1089 	uint32_t blksz, start, idx, ofs, tmp, found;
1090 	struct emu_memblk *blk;
1091 	void *membuf;
1092 
1093 	blksz = sz / EMUPAGESIZE;
1094 	if (sz > (blksz * EMUPAGESIZE))
1095 		blksz++;
1096 	if (blksz > EMU_MAX_BUFSZ / EMUPAGESIZE) {
1097 		if (mem->card->dbg_level > 2)
1098 			device_printf(mem->card->dev, "emu_memalloc: memory request tool large\n");
1099 		return (NULL);
1100 		}
1101 	/* find a free block in the bitmap */
1102 	found = 0;
1103 	start = 1;
1104 	while (!found && start + blksz < EMU_MAXPAGES) {
1105 		found = 1;
1106 		for (idx = start; idx < start + blksz; idx++)
1107 			if (mem->bmap[idx >> 3] & (1 << (idx & 7)))
1108 				found = 0;
1109 		if (!found)
1110 			start++;
1111 	}
1112 	if (!found) {
1113 		if (mem->card->dbg_level > 2)
1114 			device_printf(mem->card->dev, "emu_memalloc: no free space in bitmap\n");
1115 		return (NULL);
1116 		}
1117 	blk = malloc(sizeof(*blk), M_DEVBUF, M_NOWAIT);
1118 	if (blk == NULL) {
1119 		if (mem->card->dbg_level > 2)
1120 			device_printf(mem->card->dev, "emu_memalloc: buffer allocation failed\n");
1121 		return (NULL);
1122 		}
1123 	bzero(blk, sizeof(*blk));
1124 	membuf = emu_malloc(mem, sz, &blk->buf_addr);
1125 	*addr = blk->buf_addr;
1126 	if (membuf == NULL) {
1127 		if (mem->card->dbg_level > 2)
1128 			device_printf(mem->card->dev, "emu_memalloc: can't setup HW memory\n");
1129 		free(blk, M_DEVBUF);
1130 		return (NULL);
1131 	}
1132 	blk->buf = membuf;
1133 	blk->pte_start = start;
1134 	blk->pte_size = blksz;
1135 	strncpy(blk->owner, owner, 15);
1136 	blk->owner[15] = '\0';
1137 	ofs = 0;
1138 	for (idx = start; idx < start + blksz; idx++) {
1139 		mem->bmap[idx >> 3] |= 1 << (idx & 7);
1140 		tmp = (uint32_t) (blk->buf_addr + ofs);
1141 		mem->ptb_pages[idx] = (tmp << 1) | idx;
1142 		ofs += EMUPAGESIZE;
1143 	}
1144 	SLIST_INSERT_HEAD(&mem->blocks, blk, link);
1145 	return (membuf);
1146 }
1147 
1148 static int
1149 emu_memfree(struct emu_mem *mem, void *membuf)
1150 {
1151 	uint32_t idx, tmp;
1152 	struct emu_memblk *blk, *i;
1153 
1154 	blk = NULL;
1155 	SLIST_FOREACH(i, &mem->blocks, link) {
1156 		if (i->buf == membuf)
1157 			blk = i;
1158 	}
1159 	if (blk == NULL)
1160 		return (EINVAL);
1161 	SLIST_REMOVE(&mem->blocks, blk, emu_memblk, link);
1162 	emu_free(mem, membuf);
1163 	tmp = (uint32_t) (mem->silent_page_addr) << 1;
1164 	for (idx = blk->pte_start; idx < blk->pte_start + blk->pte_size; idx++) {
1165 		mem->bmap[idx >> 3] &= ~(1 << (idx & 7));
1166 		mem->ptb_pages[idx] = tmp | idx;
1167 	}
1168 	free(blk, M_DEVBUF);
1169 	return (0);
1170 }
1171 
1172 static int
1173 emu_memstart(struct emu_mem *mem, void *membuf)
1174 {
1175 	struct emu_memblk *blk, *i;
1176 
1177 	blk = NULL;
1178 	SLIST_FOREACH(i, &mem->blocks, link) {
1179 		if (i->buf == membuf)
1180 			blk = i;
1181 	}
1182 	if (blk == NULL)
1183 		return (-1);
1184 	return (blk->pte_start);
1185 }
1186 
1187 
1188 static uint32_t
1189 emu_rate_to_pitch(uint32_t rate)
1190 {
1191 	static uint32_t logMagTable[128] = {
1192 		0x00000, 0x02dfc, 0x05b9e, 0x088e6, 0x0b5d6, 0x0e26f, 0x10eb3, 0x13aa2,
1193 		0x1663f, 0x1918a, 0x1bc84, 0x1e72e, 0x2118b, 0x23b9a, 0x2655d, 0x28ed5,
1194 		0x2b803, 0x2e0e8, 0x30985, 0x331db, 0x359eb, 0x381b6, 0x3a93d, 0x3d081,
1195 		0x3f782, 0x41e42, 0x444c1, 0x46b01, 0x49101, 0x4b6c4, 0x4dc49, 0x50191,
1196 		0x5269e, 0x54b6f, 0x57006, 0x59463, 0x5b888, 0x5dc74, 0x60029, 0x623a7,
1197 		0x646ee, 0x66a00, 0x68cdd, 0x6af86, 0x6d1fa, 0x6f43c, 0x7164b, 0x73829,
1198 		0x759d4, 0x77b4f, 0x79c9a, 0x7bdb5, 0x7dea1, 0x7ff5e, 0x81fed, 0x8404e,
1199 		0x86082, 0x88089, 0x8a064, 0x8c014, 0x8df98, 0x8fef1, 0x91e20, 0x93d26,
1200 		0x95c01, 0x97ab4, 0x9993e, 0x9b79f, 0x9d5d9, 0x9f3ec, 0xa11d8, 0xa2f9d,
1201 		0xa4d3c, 0xa6ab5, 0xa8808, 0xaa537, 0xac241, 0xadf26, 0xafbe7, 0xb1885,
1202 		0xb3500, 0xb5157, 0xb6d8c, 0xb899f, 0xba58f, 0xbc15e, 0xbdd0c, 0xbf899,
1203 		0xc1404, 0xc2f50, 0xc4a7b, 0xc6587, 0xc8073, 0xc9b3f, 0xcb5ed, 0xcd07c,
1204 		0xceaec, 0xd053f, 0xd1f73, 0xd398a, 0xd5384, 0xd6d60, 0xd8720, 0xda0c3,
1205 		0xdba4a, 0xdd3b4, 0xded03, 0xe0636, 0xe1f4e, 0xe384a, 0xe512c, 0xe69f3,
1206 		0xe829f, 0xe9b31, 0xeb3a9, 0xecc08, 0xee44c, 0xefc78, 0xf148a, 0xf2c83,
1207 		0xf4463, 0xf5c2a, 0xf73da, 0xf8b71, 0xfa2f0, 0xfba57, 0xfd1a7, 0xfe8df
1208 	};
1209 	static char logSlopeTable[128] = {
1210 		0x5c, 0x5c, 0x5b, 0x5a, 0x5a, 0x59, 0x58, 0x58,
1211 		0x57, 0x56, 0x56, 0x55, 0x55, 0x54, 0x53, 0x53,
1212 		0x52, 0x52, 0x51, 0x51, 0x50, 0x50, 0x4f, 0x4f,
1213 		0x4e, 0x4d, 0x4d, 0x4d, 0x4c, 0x4c, 0x4b, 0x4b,
1214 		0x4a, 0x4a, 0x49, 0x49, 0x48, 0x48, 0x47, 0x47,
1215 		0x47, 0x46, 0x46, 0x45, 0x45, 0x45, 0x44, 0x44,
1216 		0x43, 0x43, 0x43, 0x42, 0x42, 0x42, 0x41, 0x41,
1217 		0x41, 0x40, 0x40, 0x40, 0x3f, 0x3f, 0x3f, 0x3e,
1218 		0x3e, 0x3e, 0x3d, 0x3d, 0x3d, 0x3c, 0x3c, 0x3c,
1219 		0x3b, 0x3b, 0x3b, 0x3b, 0x3a, 0x3a, 0x3a, 0x39,
1220 		0x39, 0x39, 0x39, 0x38, 0x38, 0x38, 0x38, 0x37,
1221 		0x37, 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x35,
1222 		0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34,
1223 		0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32,
1224 		0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x30, 0x30,
1225 		0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f
1226 	};
1227 	int i;
1228 
1229 	if (rate == 0)
1230 		return (0);
1231 	rate *= 11185;		/* Scale 48000 to 0x20002380 */
1232 	for (i = 31; i > 0; i--) {
1233 		if (rate & 0x80000000) {	/* Detect leading "1" */
1234 			return (((uint32_t) (i - 15) << 20) +
1235 			    logMagTable[0x7f & (rate >> 24)] +
1236 			    (0x7f & (rate >> 17)) *
1237 			    logSlopeTable[0x7f & (rate >> 24)]);
1238 		}
1239 		rate <<= 1;
1240 	}
1241 	/* NOTREACHED */
1242 	return (0);
1243 }
1244 
1245 static uint32_t
1246 emu_rate_to_linearpitch(uint32_t rate)
1247 {
1248 	rate = (rate << 8) / 375;
1249 	return ((rate >> 1) + (rate & 1));
1250 }
1251 
1252 struct emu_voice *
1253 emu_valloc(struct emu_sc_info *sc)
1254 {
1255 	struct emu_voice *v;
1256 	int i;
1257 
1258 	v = NULL;
1259 	mtx_lock(&sc->lock);
1260 	for (i = 0; i < NUM_G && sc->voice[i].busy; i++);
1261 	if (i < NUM_G) {
1262 		v = &sc->voice[i];
1263 		v->busy = 1;
1264 	}
1265 	mtx_unlock(&sc->lock);
1266 	return (v);
1267 }
1268 
1269 void
1270 emu_vfree(struct emu_sc_info *sc, struct emu_voice *v)
1271 {
1272 	int i, r;
1273 
1274 	mtx_lock(&sc->lock);
1275 	for (i = 0; i < NUM_G; i++) {
1276 		if (v == &sc->voice[i] && sc->voice[i].busy) {
1277 			v->busy = 0;
1278 			/*
1279 			 * XXX What we should do with mono channels?
1280 			 * See -pcm.c emupchan_init for other side of
1281 			 * this problem
1282 			 */
1283 			if (v->slave != NULL)
1284 				r = emu_memfree(&sc->mem, v->vbuf);
1285 		}
1286 	}
1287 	mtx_unlock(&sc->lock);
1288 }
1289 
1290 int
1291 emu_vinit(struct emu_sc_info *sc, struct emu_voice *m, struct emu_voice *s,
1292     uint32_t sz, struct snd_dbuf *b)
1293 {
1294 	void *vbuf;
1295 	bus_addr_t tmp_addr;
1296 
1297 	vbuf = emu_memalloc(&sc->mem, sz, &tmp_addr, "vinit");
1298 	if (vbuf == NULL) {
1299 		if(sc->dbg_level > 2)
1300 			device_printf(sc->dev, "emu_memalloc returns NULL in enu_vinit\n");
1301 		return (ENOMEM);
1302 		}
1303 	if (b != NULL)
1304 		sndbuf_setup(b, vbuf, sz);
1305 	m->start = emu_memstart(&sc->mem, vbuf) * EMUPAGESIZE;
1306 	if (m->start < 0) {
1307 		if(sc->dbg_level > 2)
1308 			device_printf(sc->dev, "emu_memstart returns (-1) in enu_vinit\n");
1309 		emu_memfree(&sc->mem, vbuf);
1310 		return (ENOMEM);
1311 	}
1312 	m->end = m->start + sz;
1313 	m->speed = 0;
1314 	m->b16 = 0;
1315 	m->stereo = 0;
1316 	m->running = 0;
1317 	m->ismaster = 1;
1318 	m->vol = 0xff;
1319 	m->buf = tmp_addr;
1320 	m->vbuf = vbuf;
1321 	m->slave = s;
1322 	if (s != NULL) {
1323 		s->start = m->start;
1324 		s->end = m->end;
1325 		s->speed = 0;
1326 		s->b16 = 0;
1327 		s->stereo = 0;
1328 		s->running = 0;
1329 		s->ismaster = 0;
1330 		s->vol = m->vol;
1331 		s->buf = m->buf;
1332 		s->vbuf = NULL;
1333 		s->slave = NULL;
1334 	}
1335 	return (0);
1336 }
1337 
1338 void
1339 emu_vsetup(struct emu_voice *v, int fmt, int spd)
1340 {
1341 	if (fmt) {
1342 		v->b16 = (fmt & AFMT_16BIT) ? 1 : 0;
1343 		v->stereo = (AFMT_CHANNEL(fmt) > 1) ? 1 : 0;
1344 		if (v->slave != NULL) {
1345 			v->slave->b16 = v->b16;
1346 			v->slave->stereo = v->stereo;
1347 		}
1348 	}
1349 	if (spd) {
1350 		v->speed = spd;
1351 		if (v->slave != NULL)
1352 			v->slave->speed = v->speed;
1353 	}
1354 }
1355 
1356 void
1357 emu_vroute(struct emu_sc_info *sc, struct emu_route *rt,  struct emu_voice *v)
1358 {
1359 	int i;
1360 
1361 	for (i = 0; i < 8; i++) {
1362 		v->routing[i] = rt->routing_left[i];
1363 		v->amounts[i] = rt->amounts_left[i];
1364 	}
1365 	if ((v->stereo) && (v->ismaster == 0))
1366 		for (i = 0; i < 8; i++) {
1367 			v->routing[i] = rt->routing_right[i];
1368 			v->amounts[i] = rt->amounts_right[i];
1369 		}
1370 
1371 	if ((v->stereo) && (v->slave != NULL))
1372 		emu_vroute(sc, rt, v->slave);
1373 }
1374 
1375 void
1376 emu_vwrite(struct emu_sc_info *sc, struct emu_voice *v)
1377 {
1378 	int s;
1379 	uint32_t start, val, silent_page;
1380 
1381 	s = (v->stereo ? 1 : 0) + (v->b16 ? 1 : 0);
1382 
1383 	v->sa = v->start >> s;
1384 	v->ea = v->end >> s;
1385 
1386 
1387 	if (v->stereo) {
1388 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, EMU_CHAN_CPF_STEREO_MASK);
1389 	} else {
1390 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, 0);
1391 	}
1392 	val = v->stereo ? 28 : 30;
1393 	val *= v->b16 ? 1 : 2;
1394 	start = v->sa + val;
1395 
1396 	if (sc->is_emu10k1) {
1397 		emu_wrptr(sc, v->vnum, EMU_CHAN_FXRT, ((v->routing[3] << 12) |
1398 		    (v->routing[2] << 8) |
1399 		    (v->routing[1] << 4) |
1400 		    (v->routing[0] << 0)) << 16);
1401 	} else {
1402 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT1, (v->routing[3] << 24) |
1403 		    (v->routing[2] << 16) |
1404 		    (v->routing[1] << 8) |
1405 		    (v->routing[0] << 0));
1406 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT2, (v->routing[7] << 24) |
1407 		    (v->routing[6] << 16) |
1408 		    (v->routing[5] << 8) |
1409 		    (v->routing[4] << 0));
1410 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_SENDAMOUNTS, (v->amounts[7] << 24) |
1411 		    (v->amounts[6] << 26) |
1412 		    (v->amounts[5] << 8) |
1413 		    (v->amounts[4] << 0));
1414 	}
1415 	emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX, (v->amounts[0] << 8) | (v->amounts[1] << 0));
1416 	emu_wrptr(sc, v->vnum, EMU_CHAN_DSL, v->ea | (v->amounts[3] << 24));
1417 	emu_wrptr(sc, v->vnum, EMU_CHAN_PSST, v->sa | (v->amounts[2] << 24));
1418 
1419 	emu_wrptr(sc, v->vnum, EMU_CHAN_CCCA, start | (v->b16 ? 0 : EMU_CHAN_CCCA_8BITSELECT));
1420 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z1, 0);
1421 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z2, 0);
1422 
1423 	silent_page = ((uint32_t) (sc->mem.silent_page_addr) << 1) | EMU_CHAN_MAP_PTI_MASK;
1424 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPA, silent_page);
1425 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPB, silent_page);
1426 
1427 	emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, EMU_CHAN_CVCF_CURRFILTER_MASK);
1428 	emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, EMU_CHAN_VTFT_FILTERTARGET_MASK);
1429 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDM, 0);
1430 	emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSM, EMU_CHAN_DCYSUSM_DECAYTIME_MASK);
1431 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL1, 0x8000);
1432 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL2, 0x8000);
1433 	emu_wrptr(sc, v->vnum, EMU_CHAN_FMMOD, 0);
1434 	emu_wrptr(sc, v->vnum, EMU_CHAN_TREMFRQ, 0);
1435 	emu_wrptr(sc, v->vnum, EMU_CHAN_FM2FRQ2, 0);
1436 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVAL, 0x8000);
1437 
1438 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDV, EMU_CHAN_ATKHLDV_HOLDTIME_MASK | EMU_CHAN_ATKHLDV_ATTACKTIME_MASK);
1439 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVOL, 0x8000);
1440 
1441 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_FILTERAMOUNT, 0x7f);
1442 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_PITCHAMOUNT, 0);
1443 	if ((v->stereo) && (v->slave != NULL))
1444 		emu_vwrite(sc, v->slave);
1445 }
1446 
1447 static void
1448 emu_vstop(struct emu_sc_info *sc, char channel, int enable)
1449 {
1450 	int reg;
1451 
1452 	reg = (channel & 0x20) ? EMU_SOLEH : EMU_SOLEL;
1453 	channel &= 0x1f;
1454 	reg |= 1 << 24;
1455 	reg |= channel << 16;
1456 	emu_wrptr(sc, 0, reg, enable);
1457 }
1458 
1459 void
1460 emu_vtrigger(struct emu_sc_info *sc, struct emu_voice *v, int go)
1461 {
1462 	uint32_t pitch_target, initial_pitch;
1463 	uint32_t cra, cs, ccis;
1464 	uint32_t sample, i;
1465 
1466 	if (go) {
1467 		cra = 64;
1468 		cs = v->stereo ? 4 : 2;
1469 		ccis = v->stereo ? 28 : 30;
1470 		ccis *= v->b16 ? 1 : 2;
1471 		sample = v->b16 ? 0x00000000 : 0x80808080;
1472 		for (i = 0; i < cs; i++)
1473 			emu_wrptr(sc, v->vnum, EMU_CHAN_CD0 + i, sample);
1474 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, 0);
1475 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_READADDRESS, cra);
1476 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, ccis);
1477 
1478 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xff00);
1479 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0xffffffff);
1480 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0xffffffff);
1481 		emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSV, 0x00007f7f);
1482 		emu_vstop(sc, v->vnum, 0);
1483 
1484 		pitch_target = emu_rate_to_linearpitch(v->speed);
1485 		initial_pitch = emu_rate_to_pitch(v->speed) >> 8;
1486 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, pitch_target);
1487 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, pitch_target);
1488 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, initial_pitch);
1489 	} else {
1490 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, 0);
1491 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, 0);
1492 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xffff);
1493 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0x0000ffff);
1494 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0x0000ffff);
1495 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, 0);
1496 		emu_vstop(sc, v->vnum, 1);
1497 	}
1498 	if ((v->stereo) && (v->slave != NULL))
1499 		emu_vtrigger(sc, v->slave, go);
1500 }
1501 
1502 int
1503 emu_vpos(struct emu_sc_info *sc, struct emu_voice *v)
1504 {
1505 	int s, ptr;
1506 
1507 	s = (v->b16 ? 1 : 0) + (v->stereo ? 1 : 0);
1508 	ptr = (emu_rdptr(sc, v->vnum, EMU_CHAN_CCCA_CURRADDR) - (v->start >> s)) << s;
1509 	return (ptr & ~0x0000001f);
1510 }
1511 
1512 
1513 /* fx */
1514 static void
1515 emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data)
1516 {
1517 	emu_wrptr(sc, 0, sc->code_base + pc, data);
1518 }
1519 
1520 
1521 static void
1522 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)
1523 {
1524 	if ((*pc) + 1 > sc->code_size) {
1525 		device_printf(sc->dev, "DSP CODE OVERRUN: attept to write past code_size (pc=%d)\n", (*pc));
1526 		return;
1527 	}
1528 	emu_wrefx(sc, (*pc) * 2, (x << sc->high_operand_shift) | y);
1529 	emu_wrefx(sc, (*pc) * 2 + 1, (op << sc->opcode_shift) | (z << sc->high_operand_shift) | w);
1530 	(*pc)++;
1531 }
1532 
1533 static int
1534 sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS)
1535 {
1536 	struct emu_sc_info *sc;
1537 	int	mixer_id;
1538 	int	new_vol;
1539 	int	err;
1540 
1541 	sc = arg1;
1542 	mixer_id = arg2;
1543 
1544 	new_vol = emumix_get_volume(sc, mixer_id);
1545 	err = sysctl_handle_int(oidp, &new_vol, 0, req);
1546 
1547 	if (err || req->newptr == NULL)
1548 		return (err);
1549 	if (new_vol < 0 || new_vol > 100)
1550 		return (EINVAL);
1551 	emumix_set_volume(sc, mixer_id, new_vol);
1552 
1553 	return (0);
1554 }
1555 
1556 static int
1557 emu_addefxmixer(struct emu_sc_info *sc, const char *mix_name, const int mix_id, uint32_t defvolume)
1558 {
1559 	int volgpr;
1560 	char	sysctl_name[32];
1561 
1562 	volgpr = emu_rm_gpr_alloc(sc->rm, 1);
1563 	emumix_set_fxvol(sc, volgpr, defvolume);
1564 	/*
1565 	 * Mixer controls with NULL mix_name are handled
1566 	 * by AC97 emulation code or PCM mixer.
1567 	 */
1568 	if (mix_name != NULL) {
1569 		/*
1570 		 * Temporary sysctls should start with underscore,
1571 		 * see freebsd-current mailing list, emu10kx driver
1572 		 * discussion around 2006-05-24.
1573 		 */
1574 		snprintf(sysctl_name, 32, "_%s", mix_name);
1575 		SYSCTL_ADD_PROC(sc->ctx,
1576 			SYSCTL_CHILDREN(sc->root),
1577 			OID_AUTO, sysctl_name,
1578 			CTLTYPE_INT | CTLFLAG_RW, sc, mix_id,
1579 			sysctl_emu_mixer_control, "I", "");
1580 	}
1581 
1582 	return (volgpr);
1583 }
1584 
1585 static int
1586 sysctl_emu_digitalswitch_control(SYSCTL_HANDLER_ARGS)
1587 {
1588 	struct emu_sc_info *sc;
1589 	int	new_val;
1590 	int	err;
1591 
1592 	sc = arg1;
1593 
1594 	new_val = (sc->mode == MODE_DIGITAL) ? 1 : 0;
1595 	err = sysctl_handle_int(oidp, &new_val, 0, req);
1596 
1597 	if (err || req->newptr == NULL)
1598 		return (err);
1599 	if (new_val < 0 || new_val > 1)
1600 		return (EINVAL);
1601 
1602 	switch (new_val) {
1603 		case 0:
1604 			emumix_set_mode(sc, MODE_ANALOG);
1605 			break;
1606 		case 1:
1607 			emumix_set_mode(sc, MODE_DIGITAL);
1608 			break;
1609 	}
1610 	return (0);
1611 }
1612 
1613 static void
1614 emu_digitalswitch(struct emu_sc_info *sc)
1615 {
1616 	/* XXX temporary? */
1617 	SYSCTL_ADD_PROC(sc->ctx,
1618 		SYSCTL_CHILDREN(sc->root),
1619 		OID_AUTO, "_digital",
1620 		CTLTYPE_INT | CTLFLAG_RW, sc, 0,
1621 		sysctl_emu_digitalswitch_control, "I", "Enable digital output");
1622 
1623 	return;
1624 }
1625 
1626 /*
1627  * Allocate cache GPRs that will hold mixed output channels
1628  * and clear it on every DSP run.
1629  */
1630 #define	EFX_CACHE(CACHE_IDX) do {				\
1631 	sc->cache_gpr[CACHE_IDX] = emu_rm_gpr_alloc(sc->rm, 1); \
1632 	emu_addefxop(sc, ACC3, 					\
1633 		GPR(sc->cache_gpr[CACHE_IDX]), 			\
1634 		DSP_CONST(0), 					\
1635 		DSP_CONST(0), 					\
1636 		DSP_CONST(0), 					\
1637 		&pc);						\
1638 } while (0)
1639 
1640 /* Allocate GPR for volume control and route sound: OUT = OUT + IN * VOL */
1641 #define	EFX_ROUTE(TITLE, INP_NR, IN_GPR_IDX, OUT_CACHE_IDX, DEF) do { 	\
1642 	sc->mixer_gpr[IN_GPR_IDX] = emu_addefxmixer(sc, TITLE, IN_GPR_IDX,  DEF); \
1643 	sc->mixer_volcache[IN_GPR_IDX] = DEF; 			\
1644 	emu_addefxop(sc, MACS, 					\
1645 		GPR(sc->cache_gpr[OUT_CACHE_IDX]), 		\
1646 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1647 		INP_NR,						\
1648 		GPR(sc->mixer_gpr[IN_GPR_IDX]),			\
1649 		&pc);						\
1650 } while (0)
1651 
1652 /* allocate GPR, OUT = IN * VOL */
1653 #define	EFX_OUTPUT(TITLE, OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR, DEF) do {	\
1654 	sc->mixer_gpr[OUT_GPR_IDX] = emu_addefxmixer(sc, TITLE, OUT_GPR_IDX, DEF); \
1655 	sc->mixer_volcache[OUT_GPR_IDX] = DEF;			\
1656 	emu_addefxop(sc, MACS,					\
1657 		OUTP(OUTP_NR),					\
1658 		DSP_CONST(0),					\
1659 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1660 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1661 		&pc);						\
1662 } while (0)
1663 
1664 /* like EFX_OUTPUT, but don't allocate mixer gpr */
1665 #define	EFX_OUTPUTD(OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR) do {	\
1666 	emu_addefxop(sc, MACS,					\
1667 		OUTP(OUTP_NR),					\
1668 		DSP_CONST(0),					\
1669 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1670 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1671 		&pc);						\
1672 } while (0)
1673 
1674 /* skip next OPCOUNT instructions if FLAG != 0 */
1675 #define EFX_SKIP(OPCOUNT, FLAG_GPR) do {			\
1676 	emu_addefxop(sc, MACS,					\
1677 		DSP_CONST(0),					\
1678 		GPR(sc->mute_gpr[FLAG_GPR]),					\
1679 		DSP_CONST(0),					\
1680 		DSP_CONST(0),					\
1681 		&pc);						\
1682 	emu_addefxop(sc, SKIP,					\
1683 		DSP_CCR,					\
1684 		DSP_CCR,					\
1685 		COND_NEQ_ZERO,					\
1686 		OPCOUNT,					\
1687 		&pc);						\
1688 } while (0)
1689 
1690 #define EFX_COPY(TO, FROM) do {					\
1691 	emu_addefxop(sc, ACC3,					\
1692 		TO,						\
1693 		DSP_CONST(0),					\
1694 		DSP_CONST(0),					\
1695 		FROM,						\
1696 		&pc);						\
1697 } while (0)
1698 
1699 
1700 static void
1701 emu_initefx(struct emu_sc_info *sc)
1702 {
1703 	unsigned int i;
1704 	uint32_t pc;
1705 
1706 	/* stop DSP */
1707 	if (sc->is_emu10k1) {
1708 		emu_wrptr(sc, 0, EMU_DBG, EMU_DBG_SINGLE_STEP);
1709 	} else {
1710 		emu_wrptr(sc, 0, EMU_A_DBG, EMU_A_DBG_SINGLE_STEP);
1711 	}
1712 
1713 	/* code size is in instructions */
1714 	pc = 0;
1715 	for (i = 0; i < sc->code_size; i++) {
1716 		if (sc->is_emu10k1) {
1717 			emu_addefxop(sc, ACC3, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), &pc);
1718 		} else {
1719 			emu_addefxop(sc, SKIP, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0xf), DSP_CONST(0x0), &pc);
1720 		}
1721 	}
1722 
1723 	/* allocate GPRs for mute switches (EFX_SKIP). Mute by default */
1724 	for (i = 0; i < NUM_MUTE; i++) {
1725 		sc->mute_gpr[i] = emu_rm_gpr_alloc(sc->rm, 1);
1726 		emumix_set_gpr(sc, sc->mute_gpr[i], 1);
1727 	}
1728 	emu_digitalswitch(sc);
1729 
1730 	pc = 0;
1731 
1732 	/*
1733 	 * DSP code below is not good, because:
1734 	 * 1. It can be written smaller, if it can use DSP accumulator register
1735 	 * instead of cache_gpr[].
1736 	 * 2. It can be more careful when volume is 100%, because in DSP
1737 	 * x*0x7fffffff may not be equal to x !
1738 	 */
1739 
1740 	/* clean outputs */
1741 	for (i = 0; i < 16 ; i++) {
1742 		emu_addefxop(sc, ACC3, OUTP(i), DSP_CONST(0), DSP_CONST(0), DSP_CONST(0), &pc);
1743 	}
1744 
1745 
1746 	if (sc->is_emu10k1) {
1747 		EFX_CACHE(C_FRONT_L);
1748 		EFX_CACHE(C_FRONT_R);
1749 		EFX_CACHE(C_REC_L);
1750 		EFX_CACHE(C_REC_R);
1751 
1752 		/* fx0 to front/record, 100%/muted by default */
1753 		EFX_ROUTE("pcm_front_l", FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1754 		EFX_ROUTE("pcm_front_r", FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1755 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1756 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1757 
1758 		/* in0, from AC97 codec output */
1759 		EFX_ROUTE("ac97_front_l", INP(IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 0);
1760 		EFX_ROUTE("ac97_front_r", INP(IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 0);
1761 		EFX_ROUTE("ac97_rec_l", INP(IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1762 		EFX_ROUTE("ac97_rec_r", INP(IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1763 
1764 		/* in1, from CD S/PDIF */
1765 		/* XXX EFX_SKIP 4 assumes that each EFX_ROUTE is one DSP op */
1766 		EFX_SKIP(4, CDSPDIFMUTE);
1767 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1768 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1769 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1770 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1771 
1772 		if (sc->dbg_level > 0) {
1773 			/* in2, ZoomVide (???) */
1774 			EFX_ROUTE("zoom_front_l", INP(IN_ZOOM_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1775 			EFX_ROUTE("zoom_front_r", INP(IN_ZOOM_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1776 			EFX_ROUTE("zoom_rec_l", INP(IN_ZOOM_L), M_IN2_REC_L, C_REC_L, 0);
1777 			EFX_ROUTE("zoom_rec_r", INP(IN_ZOOM_R), M_IN2_REC_R, C_REC_R, 0);
1778 		}
1779 
1780 		/* in3, TOSLink  */
1781 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_FRONT_L, C_FRONT_L, 0);
1782 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_FRONT_R, C_FRONT_R, 0);
1783 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_REC_L, C_REC_L, 0);
1784 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_REC_R, C_REC_R, 0);
1785 		/* in4, LineIn  */
1786 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1787 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_FRONT_R, C_FRONT_R, 0);
1788 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_REC_L, C_REC_L, 0);
1789 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_REC_R, C_REC_R, 0);
1790 
1791 		/* in5, on-card S/PDIF */
1792 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
1793 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
1794 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
1795 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
1796 
1797 		/* in6, Line2 on Live!Drive */
1798 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
1799 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
1800 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_REC_L, C_REC_L, 0);
1801 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_REC_R, C_REC_R, 0);
1802 
1803 		if (sc->dbg_level > 0) {
1804 			/* in7, unknown */
1805 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
1806 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
1807 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
1808 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
1809 		}
1810 
1811 		/* analog and digital */
1812 		EFX_OUTPUT("master_front_l", C_FRONT_L, M_MASTER_FRONT_L, OUT_AC97_L, 100);
1813 		EFX_OUTPUT("master_front_r", C_FRONT_R, M_MASTER_FRONT_R, OUT_AC97_R, 100);
1814 		/* S/PDIF */
1815 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_TOSLINK_L);
1816 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_TOSLINK_R);
1817 		/* Headphones */
1818 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_HEADPHONE_L);
1819 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_HEADPHONE_R);
1820 
1821 		/* rec output to "ADC" */
1822 		EFX_OUTPUT("master_rec_l", C_REC_L, M_MASTER_REC_L, OUT_ADC_REC_L, 100);
1823 		EFX_OUTPUT("master_rec_r", C_REC_R, M_MASTER_REC_R, OUT_ADC_REC_R, 100);
1824 
1825 		if (!(sc->mch_disabled)) {
1826 			/*
1827 			 * Additional channel volume is controlled by mixer in
1828 			 * emu_dspmixer_set() in -pcm.c
1829 			 */
1830 
1831 			/* fx2/3 (pcm1) to rear */
1832 			EFX_CACHE(C_REAR_L);
1833 			EFX_CACHE(C_REAR_R);
1834 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
1835 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
1836 
1837 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, OUT_REAR_L, 100);
1838 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, OUT_REAR_R, 100);
1839 			if (sc->has_51) {
1840 				/* fx4 (pcm2) to center */
1841 				EFX_CACHE(C_CENTER);
1842 				EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
1843 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1844 
1845 				/* XXX in digital mode (default) this should be muted because
1846 				this output is shared with digital out */
1847 				EFX_SKIP(1, ANALOGMUTE);
1848 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1849 
1850 				/* fx5 (pcm3) to sub */
1851 				EFX_CACHE(C_SUB);
1852 				EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
1853 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1854 
1855 				/* XXX in digital mode (default) this should be muted because
1856 				this output is shared with digital out */
1857 				EFX_SKIP(1, ANALOGMUTE);
1858 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1859 
1860 			}
1861 		} else {
1862 			/* SND_EMU10KX_MULTICHANNEL_DISABLED */
1863 			EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_REAR_L, OUT_REAR_L, 57); /* 75%*75% */
1864 			EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_REAR_R, OUT_REAR_R, 57); /* 75%*75% */
1865 
1866 #if 0
1867 			/* XXX 5.1 does not work */
1868 
1869 			if (sc->has_51) {
1870 				/* (fx0+fx1)/2 to center */
1871 				EFX_CACHE(C_CENTER);
1872 				emu_addefxop(sc, MACS,
1873 					GPR(sc->cache_gpr[C_CENTER]),
1874 					GPR(sc->cache_gpr[C_CENTER]),
1875 					DSP_CONST(0xd), /* = 1/2 */
1876 					GPR(sc->cache_gpr[C_FRONT_L]),
1877 					&pc);
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_R]),
1883 					&pc);
1884 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1885 
1886 				/* XXX in digital mode (default) this should be muted because
1887 				this output is shared with digital out */
1888 				EFX_SKIP(1, ANALOGMUTE);
1889 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1890 
1891 				/* (fx0+fx1)/2  to sub */
1892 				EFX_CACHE(C_SUB);
1893 				emu_addefxop(sc, MACS,
1894 					GPR(sc->cache_gpr[C_CENTER]),
1895 					GPR(sc->cache_gpr[C_CENTER]),
1896 					DSP_CONST(0xd), /* = 1/2 */
1897 					GPR(sc->cache_gpr[C_FRONT_L]),
1898 					&pc);
1899 				emu_addefxop(sc, MACS,
1900 					GPR(sc->cache_gpr[C_CENTER]),
1901 					GPR(sc->cache_gpr[C_CENTER]),
1902 					DSP_CONST(0xd), /* = 1/2 */
1903 					GPR(sc->cache_gpr[C_FRONT_R]),
1904 					&pc);
1905 				/* XXX add lowpass filter here */
1906 
1907 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1908 
1909 				/* XXX in digital mode (default) this should be muted because
1910 				this output is shared with digital out */
1911 				EFX_SKIP(1, ANALOGMUTE);
1912 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1913 			}
1914 #endif
1915 		} /* !mch_disabled */
1916 		if (sc->mch_rec) {
1917 			/*
1918 			 * MCH RECORDING , hight 16 slots. On 5.1 cards first 4 slots
1919 			 * are used as outputs and already filled with data
1920 			 */
1921 			/*
1922 			 * XXX On Live! cards stream does not begin at zero offset.
1923 			 * It can be HW, driver or sound buffering problem.
1924 			 * Use sync substream (offset 0x3E) to let userland find
1925 			 * correct data.
1926 			 */
1927 
1928 			/*
1929 			 * Substream map (in byte offsets, each substream is 2 bytes):
1930 			 *	0x00..0x1E - outputs
1931 			 *	0x20..0x3E - FX, inputs and sync stream
1932 			 */
1933 
1934 			/* First 2 channels (offset 0x20,0x22) are empty */
1935 			for(i = (sc->has_51 ? 2 : 0); i < 2; i++)
1936 				EFX_COPY(FX2(i), DSP_CONST(0));
1937 
1938 			/* PCM Playback monitoring, offset 0x24..0x2A */
1939 			for(i = 0; i < 4; i++)
1940 				EFX_COPY(FX2(i+2), FX(i));
1941 
1942 			/* Copy of some inputs, offset 0x2C..0x3C */
1943 			for(i = 0; i < 9; i++)
1944 				EFX_COPY(FX2(i+8), INP(i));
1945 
1946 			/* sync data (0xc0de, offset 0x3E) */
1947 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
1948 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
1949 
1950 			EFX_COPY(FX2(15), GPR(sc->dummy_gpr));
1951 		} /* mch_rec */
1952 	} else /* emu10k2 and later */ {
1953 		EFX_CACHE(C_FRONT_L);
1954 		EFX_CACHE(C_FRONT_R);
1955 		EFX_CACHE(C_REC_L);
1956 		EFX_CACHE(C_REC_R);
1957 
1958 		/* fx0 to front/record, 100%/muted by default */
1959 		/*
1960 		 * FRONT_[L|R] is controlled by AC97 emulation in
1961 		 * emu_ac97_[read|write]_emulation in -pcm.c
1962 		 */
1963 		EFX_ROUTE(NULL, FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1964 		EFX_ROUTE(NULL, FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1965 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1966 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1967 
1968 		/* in0, from AC97 codec output */
1969 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 100);
1970 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 100);
1971 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1972 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1973 
1974 		/* in1, from CD S/PDIF */
1975 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1976 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1977 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1978 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1979 
1980 		/* in2, optical & coax S/PDIF on AudigyDrive*/
1981 		/* XXX Should be muted when GPRSCS valid stream == 0 */
1982 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1983 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1984 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_REC_L, C_REC_L, 0);
1985 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_REC_R, C_REC_R, 0);
1986 
1987 		if (sc->dbg_level > 0) {
1988 			/* in3, unknown */
1989 			EFX_ROUTE("in3_front_l", INP(0x6), M_IN3_FRONT_L, C_FRONT_L, 0);
1990 			EFX_ROUTE("in3_front_r", INP(0x7), M_IN3_FRONT_R, C_FRONT_R, 0);
1991 			EFX_ROUTE("in3_rec_l", INP(0x6), M_IN3_REC_L, C_REC_L, 0);
1992 			EFX_ROUTE("in3_rec_r", INP(0x7), M_IN3_REC_R, C_REC_R, 0);
1993 		}
1994 
1995 		/* in4, LineIn 2 on AudigyDrive */
1996 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1997 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_FRONT_R, C_FRONT_R, 0);
1998 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_REC_L, C_REC_L, 0);
1999 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_REC_R, C_REC_R, 0);
2000 
2001 		/* in5, on-card S/PDIF */
2002 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
2003 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
2004 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
2005 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
2006 
2007 		/* in6, AUX2 on AudigyDrive */
2008 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
2009 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
2010 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_REC_L, C_REC_L, 0);
2011 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_REC_R, C_REC_R, 0);
2012 
2013 		if (sc->dbg_level > 0) {
2014 			/* in7, unknown */
2015 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
2016 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
2017 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
2018 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
2019 		}
2020 
2021 		/* front output to headphones and  alog and digital *front */
2022 		/* volume controlled by AC97 emulation */
2023 		EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_FRONT_L, 100);
2024 		EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_FRONT_R, 100);
2025 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_FRONT_L);
2026 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_FRONT_R);
2027 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_HPHONE_L);
2028 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_HPHONE_R);
2029 
2030 		/* rec output to "ADC" */
2031 		/* volume controlled by AC97 emulation */
2032 		EFX_OUTPUT(NULL, C_REC_L, M_MASTER_REC_L, A_OUT_ADC_REC_L, 100);
2033 		EFX_OUTPUT(NULL, C_REC_R, M_MASTER_REC_R, A_OUT_ADC_REC_R, 100);
2034 
2035 		if (!(sc->mch_disabled)) {
2036 			/*
2037 			 * Additional channel volume is controlled by mixer in
2038 			 * emu_dspmixer_set() in -pcm.c
2039 			 */
2040 
2041 			/* fx2/3 (pcm1) to rear */
2042 			EFX_CACHE(C_REAR_L);
2043 			EFX_CACHE(C_REAR_R);
2044 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
2045 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
2046 
2047 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, A_OUT_A_REAR_L, 100);
2048 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, A_OUT_A_REAR_R, 100);
2049 			EFX_OUTPUTD(C_REAR_L, M_MASTER_REAR_L, A_OUT_D_REAR_L);
2050 			EFX_OUTPUTD(C_REAR_R, M_MASTER_REAR_R, A_OUT_D_REAR_R);
2051 
2052 			/* fx4 (pcm2) to center */
2053 			EFX_CACHE(C_CENTER);
2054 			EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
2055 			EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2056 #if 0
2057 			/*
2058 			 * XXX in digital mode (default) this should be muted
2059 			 * because this output is shared with digital out
2060 			 */
2061 			EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2062 #endif
2063 			/* fx5 (pcm3) to sub */
2064 			EFX_CACHE(C_SUB);
2065 			EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
2066 			EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2067 #if 0
2068 			/*
2069 			 * XXX in digital mode (default) this should be muted
2070 			 * because this output is shared with digital out
2071 			 */
2072 			EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2073 #endif
2074 			if (sc->has_71) {
2075 				/* XXX this will broke headphones on AudigyDrive */
2076 				/* fx6/7 (pcm4) to side */
2077 				EFX_CACHE(C_SIDE_L);
2078 				EFX_CACHE(C_SIDE_R);
2079 				EFX_ROUTE(NULL, FX(6), M_FX6_SIDE_L, C_SIDE_L, 100);
2080 				EFX_ROUTE(NULL, FX(7), M_FX7_SIDE_R, C_SIDE_R, 100);
2081 				EFX_OUTPUT(NULL, C_SIDE_L, M_MASTER_SIDE_L, A_OUT_A_SIDE_L, 100);
2082 				EFX_OUTPUT(NULL, C_SIDE_R, M_MASTER_SIDE_R, A_OUT_A_SIDE_R, 100);
2083 				EFX_OUTPUTD(C_SIDE_L, M_MASTER_SIDE_L, A_OUT_D_SIDE_L);
2084 				EFX_OUTPUTD(C_SIDE_R, M_MASTER_SIDE_R, A_OUT_D_SIDE_R);
2085 			}
2086 		} else {	/* mch_disabled */
2087 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_REAR_L);
2088 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_REAR_R);
2089 
2090 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_REAR_L);
2091 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_REAR_R);
2092 
2093 			if (sc->has_51) {
2094 				/* (fx0+fx1)/2 to center */
2095 				EFX_CACHE(C_CENTER);
2096 				emu_addefxop(sc, MACS,
2097 					GPR(sc->cache_gpr[C_CENTER]),
2098 					GPR(sc->cache_gpr[C_CENTER]),
2099 					DSP_CONST(0xd), /* = 1/2 */
2100 					GPR(sc->cache_gpr[C_FRONT_L]),
2101 					&pc);
2102 				emu_addefxop(sc, MACS,
2103 					GPR(sc->cache_gpr[C_CENTER]),
2104 					GPR(sc->cache_gpr[C_CENTER]),
2105 					DSP_CONST(0xd), /* = 1/2 */
2106 					GPR(sc->cache_gpr[C_FRONT_R]),
2107 					&pc);
2108 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2109 
2110 				/* XXX in digital mode (default) this should be muted because
2111 				this output is shared with digital out */
2112 				EFX_SKIP(1, ANALOGMUTE);
2113 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2114 
2115 				/* (fx0+fx1)/2  to sub */
2116 				EFX_CACHE(C_SUB);
2117 				emu_addefxop(sc, MACS,
2118 					GPR(sc->cache_gpr[C_SUB]),
2119 					GPR(sc->cache_gpr[C_SUB]),
2120 					DSP_CONST(0xd), /* = 1/2 */
2121 					GPR(sc->cache_gpr[C_FRONT_L]),
2122 					&pc);
2123 				emu_addefxop(sc, MACS,
2124 					GPR(sc->cache_gpr[C_SUB]),
2125 					GPR(sc->cache_gpr[C_SUB]),
2126 					DSP_CONST(0xd), /* = 1/2 */
2127 					GPR(sc->cache_gpr[C_FRONT_R]),
2128 					&pc);
2129 				/* XXX add lowpass filter here */
2130 
2131 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2132 
2133 				/* XXX in digital mode (default) this should be muted because
2134 				this output is shared with digital out */
2135 				EFX_SKIP(1, ANALOGMUTE);
2136 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2137 			}
2138 		} /* mch_disabled */
2139 		if (sc->mch_rec) {
2140 			/* MCH RECORDING, high 32 slots */
2141 
2142 			/*
2143 			 * Stream map (in byte offsets):
2144 			 *	0x00..0x3E - outputs
2145 			 *	0x40..0x7E - FX, inputs
2146 			 *	each substream is 2 bytes.
2147 			 */
2148 			/*
2149 			 * XXX Audigy 2 Value cards (and, possibly,
2150 			 * Audigy 4) write some unknown data in place of
2151 			 * some outputs (offsets 0x20..0x3F) and one
2152 			 * input (offset 0x7E).
2153 			 */
2154 
2155 			/* PCM Playback monitoring, offsets 0x40..0x5E */
2156 			for(i = 0; i < 16; i++)
2157 				EFX_COPY(FX2(i), FX(i));
2158 
2159 			/* Copy of all inputs, offsets 0x60..0x7E */
2160 			for(i = 0; i < 16; i++)
2161 				EFX_COPY(FX2(i+16), INP(i));
2162 #if 0
2163 			/* XXX Audigy seems to work correct and does not need this */
2164 			/* sync data (0xc0de), offset 0x7E */
2165 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
2166 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
2167 			EFX_COPY(FX2(31), GPR(sc->dummy_gpr));
2168 #endif
2169 		} /* mch_rec */
2170 	}
2171 
2172 	sc->routing_code_end = pc;
2173 
2174 	/* start DSP */
2175 	if (sc->is_emu10k1) {
2176 		emu_wrptr(sc, 0, EMU_DBG, 0);
2177 	} else {
2178 		emu_wrptr(sc, 0, EMU_A_DBG, 0);
2179 	}
2180 }
2181 
2182 /* /dev/em10kx */
2183 static d_open_t		emu10kx_open;
2184 static d_close_t	emu10kx_close;
2185 static d_read_t		emu10kx_read;
2186 
2187 static struct cdevsw emu10kx_cdevsw = {
2188 	.d_open = 	emu10kx_open,
2189 	.d_close =	emu10kx_close,
2190 	.d_read = 	emu10kx_read,
2191 	.d_name = 	"emu10kx",
2192 	.d_version = 	D_VERSION,
2193 };
2194 
2195 
2196 static int
2197 emu10kx_open(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2198 {
2199 	int error;
2200 	struct emu_sc_info *sc;
2201 
2202 	sc = i_dev->si_drv1;
2203 	mtx_lock(&sc->emu10kx_lock);
2204 	if (sc->emu10kx_isopen) {
2205 		mtx_unlock(&sc->emu10kx_lock);
2206 		return (EBUSY);
2207 	}
2208 	sc->emu10kx_isopen = 1;
2209 	mtx_unlock(&sc->emu10kx_lock);
2210 	if (sbuf_new(&sc->emu10kx_sbuf, NULL, 4096, 0) == NULL) {
2211 		error = ENXIO;
2212 		goto out;
2213 	}
2214 	sc->emu10kx_bufptr = 0;
2215 	error = (emu10kx_prepare(sc, &sc->emu10kx_sbuf) > 0) ? 0 : ENOMEM;
2216 out:
2217 	if (error) {
2218 		mtx_lock(&sc->emu10kx_lock);
2219 		sc->emu10kx_isopen = 0;
2220 		mtx_unlock(&sc->emu10kx_lock);
2221 	}
2222 	return (error);
2223 }
2224 
2225 static int
2226 emu10kx_close(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2227 {
2228 	struct emu_sc_info *sc;
2229 
2230 	sc = i_dev->si_drv1;
2231 
2232 	mtx_lock(&sc->emu10kx_lock);
2233 	if (!(sc->emu10kx_isopen)) {
2234 		mtx_unlock(&sc->emu10kx_lock);
2235 		return (EBADF);
2236 	}
2237 	sbuf_delete(&sc->emu10kx_sbuf);
2238 	sc->emu10kx_isopen = 0;
2239 	mtx_unlock(&sc->emu10kx_lock);
2240 
2241 	return (0);
2242 }
2243 
2244 static int
2245 emu10kx_read(struct cdev *i_dev, struct uio *buf, int flag __unused)
2246 {
2247 	int l, err;
2248 	struct emu_sc_info *sc;
2249 
2250 	sc = i_dev->si_drv1;
2251 	mtx_lock(&sc->emu10kx_lock);
2252 	if (!(sc->emu10kx_isopen)) {
2253 		mtx_unlock(&sc->emu10kx_lock);
2254 		return (EBADF);
2255 	}
2256 	mtx_unlock(&sc->emu10kx_lock);
2257 
2258 	l = min(buf->uio_resid, sbuf_len(&sc->emu10kx_sbuf) - sc->emu10kx_bufptr);
2259 	err = (l > 0) ? uiomove(sbuf_data(&sc->emu10kx_sbuf) + sc->emu10kx_bufptr, l, buf) : 0;
2260 	sc->emu10kx_bufptr += l;
2261 
2262 	return (err);
2263 }
2264 
2265 static int
2266 emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s)
2267 {
2268 	int i;
2269 
2270 	sbuf_printf(s, "FreeBSD EMU10Kx Audio Driver\n");
2271 	sbuf_printf(s, "\nHardware resource usage:\n");
2272 	sbuf_printf(s, "DSP General Purpose Registers: %d used, %d total\n", sc->rm->num_used, sc->rm->num_gprs);
2273 	sbuf_printf(s, "DSP Instruction Registers: %d used, %d total\n", sc->routing_code_end, sc->code_size);
2274 	sbuf_printf(s, "Card supports");
2275 	if (sc->has_ac97) {
2276 		sbuf_printf(s, " AC97 codec");
2277 	} else {
2278 		sbuf_printf(s, " NO AC97 codec");
2279 	}
2280 	if (sc->has_51) {
2281 		if (sc->has_71)
2282 			sbuf_printf(s, " and 7.1 output");
2283 		else
2284 			sbuf_printf(s, " and 5.1 output");
2285 	}
2286 	if (sc->is_emu10k1)
2287 		sbuf_printf(s, ", SBLive! DSP code");
2288 	if (sc->is_emu10k2)
2289 		sbuf_printf(s, ", Audigy DSP code");
2290 	if (sc->is_ca0102)
2291 		sbuf_printf(s, ", Audigy DSP code with Audigy2 hacks");
2292 	if (sc->is_ca0108)
2293 		sbuf_printf(s, ", Audigy DSP code with Audigy2Value hacks");
2294 	sbuf_printf(s, "\n");
2295 	if (sc->broken_digital)
2296 		sbuf_printf(s, "Digital mode unsupported\n");
2297 	sbuf_printf(s, "\nInstalled devices:\n");
2298 	for (i = 0; i < RT_COUNT; i++)
2299 		if (sc->pcm[i] != NULL)
2300 			if (device_is_attached(sc->pcm[i])) {
2301 				sbuf_printf(s, "%s on %s\n", device_get_desc(sc->pcm[i]), device_get_nameunit(sc->pcm[i]));
2302 			}
2303 	if (sc->midi[0] != NULL)
2304 		if (device_is_attached(sc->midi[0])) {
2305 			sbuf_printf(s, "EMU10Kx MIDI Interface\n");
2306 			sbuf_printf(s, "\tOn-card connector on %s\n", device_get_nameunit(sc->midi[0]));
2307 		}
2308 	if (sc->midi[1] != NULL)
2309 		if (device_is_attached(sc->midi[1])) {
2310 			sbuf_printf(s, "\tOn-Drive connector on %s\n", device_get_nameunit(sc->midi[1]));
2311 		}
2312 	if (sc->midi[0] != NULL)
2313 		if (device_is_attached(sc->midi[0])) {
2314 			sbuf_printf(s, "\tIR reciever MIDI events %s\n", sc->enable_ir ? "enabled" : "disabled");
2315 		}
2316 	sbuf_printf(s, "Card is in %s mode\n", (sc->mode == MODE_ANALOG) ? "analog" : "digital");
2317 
2318 	sbuf_finish(s);
2319 	return (sbuf_len(s));
2320 }
2321 
2322 /* INIT & UNINIT */
2323 static int
2324 emu10kx_dev_init(struct emu_sc_info *sc)
2325 {
2326 	int unit;
2327 
2328 	mtx_init(&sc->emu10kx_lock, device_get_nameunit(sc->dev), "kxdevlock", 0);
2329 	unit = device_get_unit(sc->dev);
2330 
2331 	sc->cdev = make_dev(&emu10kx_cdevsw, PCMMINOR(unit), UID_ROOT, GID_WHEEL, 0640, "emu10kx%d", unit);
2332 	if (sc->cdev != NULL) {
2333 		sc->cdev->si_drv1 = sc;
2334 		return (0);
2335 	}
2336 	return (ENXIO);
2337 }
2338 
2339 static int
2340 emu10kx_dev_uninit(struct emu_sc_info *sc)
2341 {
2342 	mtx_lock(&sc->emu10kx_lock);
2343 	if (sc->emu10kx_isopen) {
2344 		mtx_unlock(&sc->emu10kx_lock);
2345 		return (EBUSY);
2346 	}
2347 	if (sc->cdev)
2348 		destroy_dev(sc->cdev);
2349 	sc->cdev = 0;
2350 
2351 	mtx_destroy(&sc->emu10kx_lock);
2352 	return (0);
2353 }
2354 
2355 /* resource manager */
2356 int
2357 emu_rm_init(struct emu_sc_info *sc)
2358 {
2359 	int i;
2360 	int maxcount;
2361 	struct emu_rm *rm;
2362 
2363 	rm = malloc(sizeof(struct emu_rm), M_DEVBUF, M_NOWAIT | M_ZERO);
2364 	if (rm == NULL) {
2365 		return (ENOMEM);
2366 	}
2367 	sc->rm = rm;
2368 	rm->card = sc;
2369 	maxcount = sc->num_gprs;
2370 	rm->num_used = 0;
2371 	mtx_init(&(rm->gpr_lock), device_get_nameunit(sc->dev), "gpr alloc", MTX_DEF);
2372 	rm->num_gprs = (maxcount < EMU_MAX_GPR ? maxcount : EMU_MAX_GPR);
2373 	for (i = 0; i < rm->num_gprs; i++)
2374 		rm->allocmap[i] = 0;
2375 	/* pre-allocate gpr[0] */
2376 	rm->allocmap[0] = 1;
2377 	rm->last_free_gpr = 1;
2378 
2379 	return (0);
2380 }
2381 
2382 int
2383 emu_rm_uninit(struct emu_sc_info *sc)
2384 {
2385 	int i;
2386 
2387 	if (sc->dbg_level > 1) {
2388 		mtx_lock(&(sc->rm->gpr_lock));
2389 		for (i = 1; i < sc->rm->last_free_gpr; i++)
2390 			if (sc->rm->allocmap[i] > 0)
2391 				device_printf(sc->dev, "rm: gpr %d not free before uninit\n", i);
2392 		mtx_unlock(&(sc->rm->gpr_lock));
2393 	}
2394 
2395 	mtx_destroy(&(sc->rm->gpr_lock));
2396 	free(sc->rm, M_DEVBUF);
2397 	return (0);
2398 }
2399 
2400 static int
2401 emu_rm_gpr_alloc(struct emu_rm *rm, int count)
2402 {
2403 	int i, j;
2404 	int allocated_gpr;
2405 
2406 	allocated_gpr = rm->num_gprs;
2407 	/* try fast way first */
2408 	mtx_lock(&(rm->gpr_lock));
2409 	if (rm->last_free_gpr + count <= rm->num_gprs) {
2410 		allocated_gpr = rm->last_free_gpr;
2411 		rm->last_free_gpr += count;
2412 		rm->allocmap[allocated_gpr] = count;
2413 		for (i = 1; i < count; i++)
2414 			rm->allocmap[allocated_gpr + i] = -(count - i);
2415 	} else {
2416 		/* longer */
2417 		i = 0;
2418 		allocated_gpr = rm->num_gprs;
2419 		while (i < rm->last_free_gpr - count) {
2420 			if (rm->allocmap[i] > 0) {
2421 				i += rm->allocmap[i];
2422 			} else {
2423 				allocated_gpr = i;
2424 				for (j = 1; j < count; j++) {
2425 					if (rm->allocmap[i + j] != 0)
2426 						allocated_gpr = rm->num_gprs;
2427 				}
2428 				if (allocated_gpr == i)
2429 					break;
2430 			}
2431 		}
2432 		if (allocated_gpr + count < rm->last_free_gpr) {
2433 			rm->allocmap[allocated_gpr] = count;
2434 			for (i = 1; i < count; i++)
2435 				rm->allocmap[allocated_gpr + i] = -(count - i);
2436 
2437 		}
2438 	}
2439 	if (allocated_gpr == rm->num_gprs)
2440 		allocated_gpr = (-1);
2441 	if (allocated_gpr >= 0)
2442 		rm->num_used += count;
2443 	mtx_unlock(&(rm->gpr_lock));
2444 	return (allocated_gpr);
2445 }
2446 
2447 /* mixer */
2448 void
2449 emumix_set_mode(struct emu_sc_info *sc, int mode)
2450 {
2451 	uint32_t a_iocfg;
2452 	uint32_t hcfg;
2453 	uint32_t tmp;
2454 
2455 	switch (mode) {
2456 	case MODE_DIGITAL:
2457 		/* FALLTHROUGH */
2458 	case MODE_ANALOG:
2459 		break;
2460 	default:
2461 		return;
2462 	}
2463 
2464 	hcfg = EMU_HCFG_AUDIOENABLE | EMU_HCFG_AUTOMUTE;
2465 	a_iocfg = 0;
2466 
2467 	if (sc->rev >= 6)
2468 		hcfg |= EMU_HCFG_JOYENABLE;
2469 
2470 	if (sc->is_emu10k1)
2471 		hcfg |= EMU_HCFG_LOCKTANKCACHE_MASK;
2472 	else
2473 		hcfg |= EMU_HCFG_CODECFMT_I2S | EMU_HCFG_JOYENABLE;
2474 
2475 
2476 	if (mode == MODE_DIGITAL) {
2477 		if (sc->broken_digital) {
2478 			device_printf(sc->dev, "Digital mode is reported as broken on this card.\n");
2479 		}
2480 		a_iocfg |= EMU_A_IOCFG_GPOUT1;
2481 		hcfg |= EMU_HCFG_GPOUT0;
2482 	}
2483 
2484 	if (mode == MODE_ANALOG)
2485 		emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2486 
2487 	if (sc->is_emu10k2)
2488 		a_iocfg |= 0x80; /* XXX */
2489 
2490 	if ((sc->is_ca0102) || (sc->is_ca0108))
2491 		/*
2492 		 * Setting EMU_A_IOCFG_DISABLE_ANALOG will do opposite things
2493 		 * on diffrerent cards.
2494 		 * "don't disable analog outs" on Audigy 2 (ca0102/ca0108)
2495 		 * "disable analog outs" on Audigy (emu10k2)
2496 		 */
2497 		a_iocfg |= EMU_A_IOCFG_DISABLE_ANALOG;
2498 
2499 	if (sc->is_ca0108)
2500 		a_iocfg |= 0x20; /* XXX */
2501 
2502 	/* Mute analog center & subwoofer before mode change */
2503 	if (mode == MODE_DIGITAL)
2504 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 1);
2505 
2506 	emu_wr(sc, EMU_HCFG, hcfg, 4);
2507 
2508 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2509 		tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2510 		tmp = a_iocfg;
2511 		emu_wr(sc, EMU_A_IOCFG, tmp, 2);
2512 	}
2513 
2514 	/* Unmute if we have changed mode to analog. */
2515 
2516 	if (mode == MODE_ANALOG)
2517 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 0);
2518 
2519 	sc->mode = mode;
2520 }
2521 
2522 void
2523 emumix_set_spdif_mode(struct emu_sc_info *sc, int mode)
2524 {
2525 	uint32_t spcs;
2526 
2527 	switch (mode) {
2528 	case SPDIF_MODE_PCM:
2529 		break;
2530 	case SPDIF_MODE_AC3:
2531 		device_printf(sc->dev, "AC3 mode does not work and disabled\n");
2532 		return;
2533 	default:
2534 		return;
2535 	}
2536 
2537 	spcs = EMU_SPCS_CLKACCY_1000PPM | EMU_SPCS_SAMPLERATE_48 |
2538 	    EMU_SPCS_CHANNELNUM_LEFT | EMU_SPCS_SOURCENUM_UNSPEC |
2539 	    EMU_SPCS_GENERATIONSTATUS | 0x00001200 | 0x00000000 |
2540 	    EMU_SPCS_EMPHASIS_NONE | EMU_SPCS_COPYRIGHT;
2541 
2542 	mode = SPDIF_MODE_PCM;
2543 
2544 	emu_wrptr(sc, 0, EMU_SPCS0, spcs);
2545 	emu_wrptr(sc, 0, EMU_SPCS1, spcs);
2546 	emu_wrptr(sc, 0, EMU_SPCS2, spcs);
2547 }
2548 
2549 #define	L2L_POINTS	10
2550 
2551 static int l2l_df[L2L_POINTS] = {
2552 	0x572C5CA,		/* 100..90 */
2553 	0x3211625,		/* 90..80 */
2554 	0x1CC1A76,		/* 80..70 */
2555 	0x108428F,		/* 70..60 */
2556 	0x097C70A,		/* 60..50 */
2557 	0x0572C5C,		/* 50..40 */
2558 	0x0321162,		/* 40..30 */
2559 	0x01CC1A7,		/* 30..20 */
2560 	0x0108428,		/* 20..10 */
2561 	0x016493D		/* 10..0 */
2562 };
2563 
2564 static int l2l_f[L2L_POINTS] = {
2565 	0x4984461A,		/* 90 */
2566 	0x2A3968A7,		/* 80 */
2567 	0x18406003,		/* 70 */
2568 	0x0DEDC66D,		/* 60 */
2569 	0x07FFFFFF,		/* 50 */
2570 	0x04984461,		/* 40 */
2571 	0x02A3968A,		/* 30 */
2572 	0x01840600,		/* 20 */
2573 	0x00DEDC66,		/* 10 */
2574 	0x00000000		/* 0 */
2575 };
2576 
2577 
2578 static int
2579 log2lin(int log_t)
2580 {
2581 	int lin_t;
2582 	int idx, lin;
2583 
2584 	if (log_t <= 0) {
2585 		lin_t = 0x00000000;
2586 		return (lin_t);
2587 	}
2588 
2589 	if (log_t >= 100) {
2590 		lin_t = 0x7fffffff;
2591 		return (lin_t);
2592 	}
2593 
2594 	idx = (L2L_POINTS - 1) - log_t / (L2L_POINTS);
2595 	lin = log_t % (L2L_POINTS);
2596 	lin_t = l2l_df[idx] * lin + l2l_f[idx];
2597 	return (lin_t);
2598 }
2599 
2600 
2601 void
2602 emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol)
2603 {
2604 
2605 	vol = log2lin(vol);
2606 	emumix_set_gpr(sc, gpr, vol);
2607 }
2608 
2609 void
2610 emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val)
2611 {
2612 	if (sc->dbg_level > 1)
2613 		if (gpr == 0) {
2614 			device_printf(sc->dev, "Zero gpr write access\n");
2615 #ifdef KDB
2616 			kdb_backtrace();
2617 #endif
2618 			return;
2619 			}
2620 
2621 	emu_wrptr(sc, 0, GPR(gpr), val);
2622 }
2623 
2624 void
2625 emumix_set_volume(struct emu_sc_info *sc, int mixer_idx, int volume)
2626 {
2627 
2628 	RANGE(volume, 0, 100);
2629 	if (mixer_idx < NUM_MIXERS) {
2630 		sc->mixer_volcache[mixer_idx] = volume;
2631 		emumix_set_fxvol(sc, sc->mixer_gpr[mixer_idx], volume);
2632 	}
2633 }
2634 
2635 int
2636 emumix_get_volume(struct emu_sc_info *sc, int mixer_idx)
2637 {
2638 	if ((mixer_idx < NUM_MIXERS) && (mixer_idx >= 0))
2639 		return (sc->mixer_volcache[mixer_idx]);
2640 	return (-1);
2641 }
2642 
2643 /* Init CardBus part */
2644 static int
2645 emu_cardbus_init(struct emu_sc_info *sc)
2646 {
2647 
2648 	/*
2649 	 * XXX May not need this if we have EMU_IPR3 handler.
2650 	 * Is it a real init calls, or EMU_IPR3 interrupt acknowledgments?
2651 	 * Looks much like "(data << 16) | register".
2652 	 */
2653 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0000);
2654 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0001);
2655 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x005f);
2656 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x007f);
2657 
2658 	emu_wr_cbptr(sc, (0x0090 << 16) | 0x007f);
2659 
2660 	return (0);
2661 }
2662 
2663 /* Probe and attach the card */
2664 static int
2665 emu_init(struct emu_sc_info *sc)
2666 {
2667 	uint32_t ch, tmp;
2668 	uint32_t spdif_sr;
2669 	uint32_t ac97slot;
2670 	int def_mode;
2671 	int i;
2672 
2673 	/* disable audio and lock cache */
2674 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2675 
2676 	/* reset recording buffers */
2677 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2678 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2679 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2680 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2681 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2682 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2683 
2684 	/* disable channel interrupt */
2685 	emu_wr(sc, EMU_INTE, EMU_INTE_INTERTIMERENB | EMU_INTE_SAMPLERATER | EMU_INTE_PCIERRENABLE, 4);
2686 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2687 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2688 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2689 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2690 
2691 	/* disable P16V and S/PDIF interrupts */
2692 	if ((sc->is_ca0102) || (sc->is_ca0108))
2693 		emu_wr(sc, EMU_INTE2, 0, 4);
2694 
2695 	if (sc->is_ca0102)
2696 		emu_wr(sc, EMU_INTE3, 0, 4);
2697 
2698 	/* init phys inputs and outputs */
2699 	ac97slot = 0;
2700 	if (sc->has_51)
2701 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE;
2702 	if (sc->has_71)
2703 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE | EMU_AC97SLOT_REAR_LEFT | EMU_AC97SLOT_REAR_RIGHT;
2704 	if (sc->is_emu10k2)
2705 		ac97slot |= 0x40;
2706 	emu_wrptr(sc, 0, EMU_AC97SLOT, ac97slot);
2707 
2708 	if (sc->is_emu10k2)	/* XXX for later cards? */
2709 		emu_wrptr(sc, 0, EMU_SPBYPASS, 0xf00);	/* What will happen if
2710 							 * we write 1 here? */
2711 
2712 	if (bus_dma_tag_create( /* parent */ bus_get_dma_tag(sc->dev),
2713 	     /* alignment */ 2, /* boundary */ 0,
2714 	     /* lowaddr */ (1U << 31) - 1,	/* can only access 0-2gb */
2715 	     /* highaddr */ BUS_SPACE_MAXADDR,
2716 	     /* filter */ NULL, /* filterarg */ NULL,
2717 	     /* maxsize */ EMU_MAX_BUFSZ, /* nsegments */ 1, /* maxsegz */ 0x3ffff,
2718 	     /* flags */ 0, /* lockfunc */ busdma_lock_mutex,
2719 	     /* lockarg */ &Giant, &(sc->mem.dmat)) != 0) {
2720 		device_printf(sc->dev, "unable to create dma tag\n");
2721 		bus_dma_tag_destroy(sc->mem.dmat);
2722 		return (ENOMEM);
2723 	}
2724 
2725 	sc->mem.card = sc;
2726 	SLIST_INIT(&sc->mem.blocks);
2727 	sc->mem.ptb_pages = emu_malloc(&sc->mem, EMU_MAXPAGES * sizeof(uint32_t), &sc->mem.ptb_pages_addr);
2728 	if (sc->mem.ptb_pages == NULL)
2729 		return (ENOMEM);
2730 
2731 	sc->mem.silent_page = emu_malloc(&sc->mem, EMUPAGESIZE, &sc->mem.silent_page_addr);
2732 	if (sc->mem.silent_page == NULL) {
2733 		emu_free(&sc->mem, sc->mem.ptb_pages);
2734 		return (ENOMEM);
2735 	}
2736 	/* Clear page with silence & setup all pointers to this page */
2737 	bzero(sc->mem.silent_page, EMUPAGESIZE);
2738 	tmp = (uint32_t) (sc->mem.silent_page_addr) << 1;
2739 	for (i = 0; i < EMU_MAXPAGES; i++)
2740 		sc->mem.ptb_pages[i] = tmp | i;
2741 
2742 	for (ch = 0; ch < NUM_G; ch++) {
2743 		emu_wrptr(sc, ch, EMU_CHAN_MAPA, tmp | EMU_CHAN_MAP_PTI_MASK);
2744 		emu_wrptr(sc, ch, EMU_CHAN_MAPB, tmp | EMU_CHAN_MAP_PTI_MASK);
2745 	}
2746 	emu_wrptr(sc, 0, EMU_PTB, (sc->mem.ptb_pages_addr));
2747 	emu_wrptr(sc, 0, EMU_TCB, 0);	/* taken from original driver */
2748 	emu_wrptr(sc, 0, EMU_TCBS, 0);	/* taken from original driver */
2749 
2750 	/* init envelope engine */
2751 	for (ch = 0; ch < NUM_G; ch++) {
2752 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2753 		emu_wrptr(sc, ch, EMU_CHAN_IP, 0);
2754 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0xffff);
2755 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0xffff);
2756 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2757 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2758 		emu_wrptr(sc, ch, EMU_CHAN_CCR, 0);
2759 
2760 		emu_wrptr(sc, ch, EMU_CHAN_PSST, 0);
2761 		emu_wrptr(sc, ch, EMU_CHAN_DSL, 0x10);
2762 		emu_wrptr(sc, ch, EMU_CHAN_CCCA, 0);
2763 		emu_wrptr(sc, ch, EMU_CHAN_Z1, 0);
2764 		emu_wrptr(sc, ch, EMU_CHAN_Z2, 0);
2765 		emu_wrptr(sc, ch, EMU_CHAN_FXRT, 0xd01c0000);
2766 
2767 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDM, 0);
2768 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSM, 0);
2769 		emu_wrptr(sc, ch, EMU_CHAN_IFATN, 0xffff);
2770 		emu_wrptr(sc, ch, EMU_CHAN_PEFE, 0);
2771 		emu_wrptr(sc, ch, EMU_CHAN_FMMOD, 0);
2772 		emu_wrptr(sc, ch, EMU_CHAN_TREMFRQ, 24);	/* 1 Hz */
2773 		emu_wrptr(sc, ch, EMU_CHAN_FM2FRQ2, 24);	/* 1 Hz */
2774 		emu_wrptr(sc, ch, EMU_CHAN_TEMPENV, 0);
2775 
2776 		/*** these are last so OFF prevents writing ***/
2777 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL2, 0);
2778 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL1, 0);
2779 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDV, 0);
2780 		emu_wrptr(sc, ch, EMU_CHAN_ENVVOL, 0);
2781 		emu_wrptr(sc, ch, EMU_CHAN_ENVVAL, 0);
2782 
2783 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2784 			emu_wrptr(sc, ch, 0x4c, 0x0);
2785 			emu_wrptr(sc, ch, 0x4d, 0x0);
2786 			emu_wrptr(sc, ch, 0x4e, 0x0);
2787 			emu_wrptr(sc, ch, 0x4f, 0x0);
2788 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT1, 0x3f3f3f3f);
2789 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT2, 0x3f3f3f3f);
2790 			emu_wrptr(sc, ch, EMU_A_CHAN_SENDAMOUNTS, 0x0);
2791 		}
2792 	}
2793 
2794 	emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2795 
2796 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2797 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, EMU_A_SPDIF_48000);
2798 
2799 	/*
2800 	 * CAxxxx cards needs additional setup:
2801 	 * 1. Set I2S capture sample rate to 96000
2802 	 * 2. Disable P16v / P17v proceesing
2803 	 * 3. Allow EMU10K DSP inputs
2804 	 */
2805 	if ((sc->is_ca0102) || (sc->is_ca0108)) {
2806 
2807 		spdif_sr = emu_rdptr(sc, 0, EMU_A_SPDIF_SAMPLERATE);
2808 		spdif_sr &= 0xfffff1ff;
2809 		spdif_sr |= EMU_A_I2S_CAPTURE_96000;
2810 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, spdif_sr);
2811 
2812 		/* Disable P16v processing */
2813 		emu_wr_p16vptr(sc, 0, EMU_A2_SRCSel, 0x14);
2814 
2815 		/* Setup P16v/P17v sound routing */
2816 		if (sc->is_ca0102)
2817 			emu_wr_p16vptr(sc, 0, EMU_A2_SRCMULTI_ENABLE, 0xFF00FF00);
2818 		else {
2819 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_I2S_ENABLE, 0xFF000000);
2820 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_SPDIF_ENABLE, 0xFF000000);
2821 
2822 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2823 			emu_wr(sc, EMU_A_IOCFG, tmp & ~0x8, 2);
2824 		}
2825 	}
2826 	emu_initefx(sc);
2827 
2828 	def_mode = MODE_ANALOG;
2829 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2830 		def_mode = MODE_DIGITAL;
2831 	if (((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) && (sc->broken_digital)) {
2832 		device_printf(sc->dev, "Audigy card initialized in analog mode.\n");
2833 		def_mode = MODE_ANALOG;
2834 	}
2835 	emumix_set_mode(sc, def_mode);
2836 
2837 	if (bootverbose) {
2838 		tmp = emu_rd(sc, EMU_HCFG, 4);
2839 		device_printf(sc->dev, "Card Configuration (   0x%08x )\n", tmp);
2840 		device_printf(sc->dev, "Card Configuration ( & 0xff000000 ) : %s%s%s%s%s%s%s%s\n",
2841 		    (tmp & 0x80000000 ? "[Legacy MPIC] " : ""),
2842 		    (tmp & 0x40000000 ? "[0x40] " : ""),
2843 		    (tmp & 0x20000000 ? "[0x20] " : ""),
2844 		    (tmp & 0x10000000 ? "[0x10] " : ""),
2845 		    (tmp & 0x08000000 ? "[0x08] " : ""),
2846 		    (tmp & 0x04000000 ? "[0x04] " : ""),
2847 		    (tmp & 0x02000000 ? "[0x02] " : ""),
2848 		    (tmp & 0x01000000 ? "[0x01]" : " "));
2849 		device_printf(sc->dev, "Card Configuration ( & 0x00ff0000 ) : %s%s%s%s%s%s%s%s\n",
2850 		    (tmp & 0x00800000 ? "[0x80] " : ""),
2851 		    (tmp & 0x00400000 ? "[0x40] " : ""),
2852 		    (tmp & 0x00200000 ? "[Legacy INT] " : ""),
2853 		    (tmp & 0x00100000 ? "[0x10] " : ""),
2854 		    (tmp & 0x00080000 ? "[0x08] " : ""),
2855 		    (tmp & 0x00040000 ? "[Codec4] " : ""),
2856 		    (tmp & 0x00020000 ? "[Codec2] " : ""),
2857 		    (tmp & 0x00010000 ? "[I2S Codec]" : " "));
2858 		device_printf(sc->dev, "Card Configuration ( & 0x0000ff00 ) : %s%s%s%s%s%s%s%s\n",
2859 		    (tmp & 0x00008000 ? "[0x80] " : ""),
2860 		    (tmp & 0x00004000 ? "[GPINPUT0] " : ""),
2861 		    (tmp & 0x00002000 ? "[GPINPUT1] " : ""),
2862 		    (tmp & 0x00001000 ? "[GPOUT0] " : ""),
2863 		    (tmp & 0x00000800 ? "[GPOUT1] " : ""),
2864 		    (tmp & 0x00000400 ? "[GPOUT2] " : ""),
2865 		    (tmp & 0x00000200 ? "[Joystick] " : ""),
2866 		    (tmp & 0x00000100 ? "[0x01]" : " "));
2867 		device_printf(sc->dev, "Card Configuration ( & 0x000000ff ) : %s%s%s%s%s%s%s%s\n",
2868 		    (tmp & 0x00000080 ? "[0x80] " : ""),
2869 		    (tmp & 0x00000040 ? "[0x40] " : ""),
2870 		    (tmp & 0x00000020 ? "[0x20] " : ""),
2871 		    (tmp & 0x00000010 ? "[AUTOMUTE] " : ""),
2872 		    (tmp & 0x00000008 ? "[LOCKSOUNDCACHE] " : ""),
2873 		    (tmp & 0x00000004 ? "[LOCKTANKCACHE] " : ""),
2874 		    (tmp & 0x00000002 ? "[MUTEBUTTONENABLE] " : ""),
2875 		    (tmp & 0x00000001 ? "[AUDIOENABLE]" : " "));
2876 
2877 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2878 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2879 			device_printf(sc->dev, "Audigy Card Configuration (    0x%04x )\n", tmp);
2880 			device_printf(sc->dev, "Audigy Card Configuration (  & 0xff00 )");
2881 			printf(" : %s%s%s%s%s%s%s%s\n",
2882 			    (tmp & 0x8000 ? "[Rear Speakers] " : ""),
2883 			    (tmp & 0x4000 ? "[Front Speakers] " : ""),
2884 			    (tmp & 0x2000 ? "[0x20] " : ""),
2885 			    (tmp & 0x1000 ? "[0x10] " : ""),
2886 			    (tmp & 0x0800 ? "[0x08] " : ""),
2887 			    (tmp & 0x0400 ? "[0x04] " : ""),
2888 			    (tmp & 0x0200 ? "[0x02] " : ""),
2889 			    (tmp & 0x0100 ? "[AudigyDrive Phones]" : " "));
2890 			device_printf(sc->dev, "Audigy Card Configuration (  & 0x00ff )");
2891 			printf(" : %s%s%s%s%s%s%s%s\n",
2892 			    (tmp & 0x0080 ? "[0x80] " : ""),
2893 			    (tmp & 0x0040 ? "[Mute AnalogOut] " : ""),
2894 			    (tmp & 0x0020 ? "[0x20] " : ""),
2895 			    (tmp & 0x0010 ? "[0x10] " : ""),
2896 			    (tmp & 0x0008 ? "[0x08] " : ""),
2897 			    (tmp & 0x0004 ? "[GPOUT0] " : ""),
2898 			    (tmp & 0x0002 ? "[GPOUT1] " : ""),
2899 			    (tmp & 0x0001 ? "[GPOUT2]" : " "));
2900 		}		/* is_emu10k2 or ca* */
2901 	}			/* bootverbose */
2902 	return (0);
2903 }
2904 
2905 static int
2906 emu_uninit(struct emu_sc_info *sc)
2907 {
2908 	uint32_t ch;
2909 	struct emu_memblk *blk;
2910 
2911 	emu_wr(sc, EMU_INTE, 0, 4);
2912 	for (ch = 0; ch < NUM_G; ch++)
2913 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2914 	for (ch = 0; ch < NUM_G; ch++) {
2915 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0);
2916 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0);
2917 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2918 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2919 	}
2920 
2921 	/* disable audio and lock cache */
2922 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2923 
2924 	emu_wrptr(sc, 0, EMU_PTB, 0);
2925 	/* reset recording buffers */
2926 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2927 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2928 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2929 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2930 	emu_wrptr(sc, 0, EMU_FXWC, 0);
2931 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2932 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2933 	emu_wrptr(sc, 0, EMU_TCB, 0);
2934 	emu_wrptr(sc, 0, EMU_TCBS, 0);
2935 
2936 	/* disable channel interrupt */
2937 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2938 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2939 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2940 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2941 
2942 	if (!SLIST_EMPTY(&sc->mem.blocks))
2943 		device_printf(sc->dev, "warning: memblock list not empty\n");
2944 
2945 	SLIST_FOREACH(blk, &sc->mem.blocks, link)
2946 		if (blk != NULL)
2947 		device_printf(sc->dev, "lost %d for %s\n", blk->pte_size, blk->owner);
2948 
2949 	emu_free(&sc->mem, sc->mem.ptb_pages);
2950 	emu_free(&sc->mem, sc->mem.silent_page);
2951 
2952 	return (0);
2953 }
2954 
2955 static int
2956 emu_read_ivar(device_t bus, device_t dev, int ivar_index, uintptr_t * result)
2957 {
2958 	struct sndcard_func *func = device_get_ivars(dev);
2959 	struct emu_sc_info *sc = device_get_softc(bus);
2960 
2961 	if (func==NULL)
2962 		return (ENOMEM);
2963 	if (sc == NULL)
2964 		return (ENOMEM);
2965 
2966 	switch (ivar_index) {
2967 	case EMU_VAR_FUNC:
2968 		*result = func->func;
2969 		break;
2970 	case EMU_VAR_ROUTE:
2971 		if (func->varinfo == NULL)
2972 			return (ENOMEM);
2973 		*result = ((struct emu_pcminfo *)func->varinfo)->route;
2974 		break;
2975 	case EMU_VAR_ISEMU10K1:
2976 		*result = sc->is_emu10k1;
2977 		break;
2978 	case EMU_VAR_MCH_DISABLED:
2979 		*result = sc->mch_disabled;
2980 		break;
2981 	case EMU_VAR_MCH_REC:
2982 		*result = sc->mch_rec;
2983 		break;
2984 	default:
2985 		return (ENOENT);
2986 	}
2987 
2988 	return (0);
2989 }
2990 
2991 static int
2992 emu_write_ivar(device_t bus __unused, device_t dev __unused,
2993     int ivar_index, uintptr_t value __unused)
2994 {
2995 
2996 	switch (ivar_index) {
2997 		case 0:
2998 		return (EINVAL);
2999 
3000 	default:
3001 		return (ENOENT);
3002 	}
3003 }
3004 
3005 static int
3006 emu_pci_probe(device_t dev)
3007 {
3008 	struct sbuf *s;
3009 	unsigned int thiscard = 0;
3010 	uint16_t vendor;
3011 
3012 	vendor = pci_read_config(dev, PCIR_DEVVENDOR, /* bytes */ 2);
3013 	if (vendor != 0x1102)
3014 		return (ENXIO);	/* Not Creative */
3015 
3016 	thiscard = emu_getcard(dev);
3017 	if (thiscard == 0)
3018 		return (ENXIO);
3019 
3020 	s = sbuf_new(NULL, NULL, 4096, 0);
3021 	if (s == NULL)
3022 		return (ENOMEM);
3023 	sbuf_printf(s, "Creative %s [%s]", emu_cards[thiscard].desc, emu_cards[thiscard].SBcode);
3024 	sbuf_finish(s);
3025 
3026 	device_set_desc_copy(dev, sbuf_data(s));
3027 
3028 	sbuf_delete(s);
3029 
3030 	return (BUS_PROBE_DEFAULT);
3031 }
3032 
3033 
3034 static int
3035 emu_pci_attach(device_t dev)
3036 {
3037 	struct sndcard_func *func;
3038 	struct emu_sc_info *sc;
3039 	struct emu_pcminfo *pcminfo;
3040 #if 0
3041 	struct emu_midiinfo *midiinfo;
3042 #endif
3043 	uint32_t data;
3044 	int i;
3045 	int device_flags;
3046 	char status[255];
3047 	int error = ENXIO;
3048 	int unit;
3049 
3050 	sc = device_get_softc(dev);
3051 	unit = device_get_unit(dev);
3052 
3053 	/* Get configuration */
3054 
3055 	sc->ctx = device_get_sysctl_ctx(dev);
3056 	if (sc->ctx == NULL)
3057 		goto bad;
3058 	sc->root = device_get_sysctl_tree(dev);
3059 	if (sc->root == NULL)
3060 		goto bad;
3061 
3062 	if (resource_int_value("emu10kx", unit, "multichannel_disabled", &(sc->mch_disabled)))
3063 		RANGE(sc->mch_disabled, 0, 1);
3064 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3065 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3066             OID_AUTO, "multichannel_disabled", CTLFLAG_RD, &(sc->mch_disabled), 0, "Multichannel playback setting");
3067 
3068 	if (resource_int_value("emu10kx", unit, "multichannel_recording", &(sc->mch_rec)))
3069 		RANGE(sc->mch_rec, 0, 1);
3070 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3071 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3072             OID_AUTO, "multichannel_recording", CTLFLAG_RD,  &(sc->mch_rec), 0, "Multichannel recording setting");
3073 
3074 	if (resource_int_value("emu10kx", unit, "debug", &(sc->dbg_level)))
3075 		RANGE(sc->mch_rec, 0, 2);
3076 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3077 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3078             OID_AUTO, "debug", CTLFLAG_RW, &(sc->dbg_level), 0, "Debug level");
3079 
3080 	/* Fill in the softc. */
3081 	mtx_init(&sc->lock, device_get_nameunit(dev), "bridge conf", MTX_DEF);
3082 	mtx_init(&sc->rw, device_get_nameunit(dev), "exclusive io", MTX_DEF);
3083 	sc->dev = dev;
3084 	sc->type = pci_get_devid(dev);
3085 	sc->rev = pci_get_revid(dev);
3086 	sc->enable_ir = 0;
3087 	sc->has_ac97 = 0;
3088 	sc->has_51 = 0;
3089 	sc->has_71 = 0;
3090 	sc->broken_digital = 0;
3091 	sc->is_emu10k1 = 0;
3092 	sc->is_emu10k2 = 0;
3093 	sc->is_ca0102 = 0;
3094 	sc->is_ca0108 = 0;
3095 	sc->is_cardbus = 0;
3096 
3097 	device_flags = emu_cards[emu_getcard(dev)].flags;
3098 	if (device_flags & HAS_51)
3099 		sc->has_51 = 1;
3100 	if (device_flags & HAS_71) {
3101 		sc->has_51 = 1;
3102 		sc->has_71 = 1;
3103 	}
3104 	if (device_flags & IS_EMU10K1)
3105 		sc->is_emu10k1 = 1;
3106 	if (device_flags & IS_EMU10K2)
3107 		sc->is_emu10k2 = 1;
3108 	if (device_flags & IS_CA0102)
3109 		sc->is_ca0102 = 1;
3110 	if (device_flags & IS_CA0108)
3111 		sc->is_ca0108 = 1;
3112 	if ((sc->is_emu10k2) && (sc->rev == 4)) {
3113 		sc->is_emu10k2 = 0;
3114 		sc->is_ca0102 = 1;	/* for unknown Audigy 2 cards */
3115 	}
3116 	if ((sc->is_ca0102 == 1) || (sc->is_ca0108 == 1))
3117 		if (device_flags & IS_CARDBUS)
3118 			sc->is_cardbus = 1;
3119 
3120 	if ((sc->is_emu10k1 + sc->is_emu10k2 + sc->is_ca0102 + sc->is_ca0108) != 1) {
3121 		device_printf(sc->dev, "Unable to detect HW chipset\n");
3122 		goto bad;
3123 	}
3124 	if (device_flags & BROKEN_DIGITAL)
3125 		sc->broken_digital = 1;
3126 	if (device_flags & HAS_AC97)
3127 		sc->has_ac97 = 1;
3128 
3129 	sc->opcode_shift = 0;
3130 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
3131 		sc->opcode_shift = 24;
3132 		sc->high_operand_shift = 12;
3133 
3134 	/*	DSP map				*/
3135 	/*	sc->fx_base = 0x0		*/
3136 		sc->input_base = 0x40;
3137 	/*	sc->p16vinput_base = 0x50;	*/
3138 		sc->output_base = 0x60;
3139 		sc->efxc_base = 0x80;
3140 	/*	sc->output32h_base = 0xa0;	*/
3141 	/*	sc->output32l_base = 0xb0;	*/
3142 		sc->dsp_zero = 0xc0;
3143 	/*	0xe0...0x100 are unknown	*/
3144 	/*	sc->tram_base = 0x200		*/
3145 	/*	sc->tram_addr_base = 0x300	*/
3146 		sc->gpr_base = EMU_A_FXGPREGBASE;
3147 		sc->num_gprs = 0x200;
3148 		sc->code_base = EMU_A_MICROCODEBASE;
3149 		sc->code_size = 0x800 / 2;	/* 0x600-0xdff,  2048 words,
3150 						 * 1024 instructions */
3151 
3152 		sc->mchannel_fx = 8;
3153 		sc->num_fxbuses = 16;
3154 		sc->num_inputs = 8;
3155 		sc->num_outputs = 16;
3156 		sc->address_mask = EMU_A_PTR_ADDR_MASK;
3157 	}
3158 	if (sc->is_emu10k1) {
3159 		sc->has_51 = 0;	/* We don't support 5.1 sound on SB Live! 5.1 */
3160 		sc->opcode_shift = 20;
3161 		sc->high_operand_shift = 10;
3162 		sc->code_base = EMU_MICROCODEBASE;
3163 		sc->code_size = 0x400 / 2;	/* 0x400-0x7ff,  1024 words,
3164 						 * 512 instructions */
3165 		sc->gpr_base = EMU_FXGPREGBASE;
3166 		sc->num_gprs = 0x100;
3167 		sc->input_base = 0x10;
3168 		sc->output_base = 0x20;
3169 		/*
3170 		 * XXX 5.1 Analog outputs are inside efxc address space!
3171 		 * They use output+0x11/+0x12 (=efxc+1/+2).
3172 		 * Don't use this efx registers for recording on SB Live! 5.1!
3173 		 */
3174 		sc->efxc_base = 0x30;
3175 		sc->dsp_zero = 0x40;
3176 		sc->mchannel_fx = 0;
3177 		sc->num_fxbuses = 8;
3178 		sc->num_inputs = 8;
3179 		sc->num_outputs = 16;
3180 		sc->address_mask = EMU_PTR_ADDR_MASK;
3181 	}
3182 	if (sc->opcode_shift == 0)
3183 		goto bad;
3184 
3185 	data = pci_read_config(dev, PCIR_COMMAND, 2);
3186 	data |= (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN);
3187 	pci_write_config(dev, PCIR_COMMAND, data, 2);
3188 	data = pci_read_config(dev, PCIR_COMMAND, 2);
3189 
3190 	pci_enable_busmaster(dev);
3191 
3192 	i = PCIR_BAR(0);
3193 	sc->reg = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &i, RF_ACTIVE);
3194 	if (sc->reg == NULL) {
3195 		device_printf(dev, "unable to map register space\n");
3196 		goto bad;
3197 	}
3198 	sc->st = rman_get_bustag(sc->reg);
3199 	sc->sh = rman_get_bushandle(sc->reg);
3200 
3201 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
3202 		sc->timer[i] = 0;	/* disable it */
3203 
3204 	i = 0;
3205 	sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, RF_ACTIVE | RF_SHAREABLE);
3206 	if ((sc->irq == NULL) || bus_setup_intr(dev, sc->irq, INTR_MPSAFE | INTR_TYPE_AV,
3207 #if __FreeBSD_version >= 700031
3208 	    NULL,
3209 #endif
3210 	    emu_intr, sc, &sc->ih)) {
3211 		device_printf(dev, "unable to map interrupt\n");
3212 		goto bad;
3213 	}
3214 	if (emu_rm_init(sc) != 0) {
3215 		device_printf(dev, "unable to create resource manager\n");
3216 		goto bad;
3217 	}
3218 	if (sc->is_cardbus)
3219 		if (emu_cardbus_init(sc) != 0) {
3220 			device_printf(dev, "unable to initialize CardBus interface\n");
3221 			goto bad;
3222 		}
3223 	if (emu_init(sc) != 0) {
3224 		device_printf(dev, "unable to initialize the card\n");
3225 		goto bad;
3226 	}
3227 	if (emu10kx_dev_init(sc) != 0) {
3228 		device_printf(dev, "unable to create control device\n");
3229 		goto bad;
3230 	}
3231 	snprintf(status, 255, "rev %d at io 0x%lx irq %ld", sc->rev, rman_get_start(sc->reg), rman_get_start(sc->irq));
3232 
3233 	/* Voices */
3234 	for (i = 0; i < NUM_G; i++) {
3235 		sc->voice[i].vnum = i;
3236 		sc->voice[i].slave = NULL;
3237 		sc->voice[i].busy = 0;
3238 		sc->voice[i].ismaster = 0;
3239 		sc->voice[i].running = 0;
3240 		sc->voice[i].b16 = 0;
3241 		sc->voice[i].stereo = 0;
3242 		sc->voice[i].speed = 0;
3243 		sc->voice[i].start = 0;
3244 		sc->voice[i].end = 0;
3245 	}
3246 
3247 	/* PCM Audio */
3248 	for (i = 0; i < RT_COUNT; i++)
3249 		sc->pcm[i] = NULL;
3250 
3251 	/* FRONT */
3252 	func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3253 	if (func == NULL) {
3254 		error = ENOMEM;
3255 		goto bad;
3256 	}
3257 	pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3258 	if (pcminfo == NULL) {
3259 		error = ENOMEM;
3260 		goto bad;
3261 	}
3262 	pcminfo->card = sc;
3263 	pcminfo->route = RT_FRONT;
3264 
3265 	func->func = SCF_PCM;
3266 	func->varinfo = pcminfo;
3267 	sc->pcm[RT_FRONT] = device_add_child(dev, "pcm", -1);
3268 	device_set_ivars(sc->pcm[RT_FRONT], func);
3269 
3270 	if (!(sc->mch_disabled)) {
3271 		/* REAR */
3272 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3273 		if (func == NULL) {
3274 			error = ENOMEM;
3275 			goto bad;
3276 		}
3277 		pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3278 		if (pcminfo == NULL) {
3279 			error = ENOMEM;
3280 			goto bad;
3281 		}
3282 		pcminfo->card = sc;
3283 		pcminfo->route = RT_REAR;
3284 
3285 		func->func = SCF_PCM;
3286 		func->varinfo = pcminfo;
3287 		sc->pcm[RT_REAR] = device_add_child(dev, "pcm", -1);
3288 		device_set_ivars(sc->pcm[RT_REAR], func);
3289 		if (sc->has_51) {
3290 			/* CENTER */
3291 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3292 			if (func == NULL) {
3293 				error = ENOMEM;
3294 				goto bad;
3295 			}
3296 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3297 			if (pcminfo == NULL) {
3298 				error = ENOMEM;
3299 				goto bad;
3300 			}
3301 			pcminfo->card = sc;
3302 			pcminfo->route = RT_CENTER;
3303 
3304 			func->func = SCF_PCM;
3305 			func->varinfo = pcminfo;
3306 			sc->pcm[RT_CENTER] = device_add_child(dev, "pcm", -1);
3307 			device_set_ivars(sc->pcm[RT_CENTER], func);
3308 			/* SUB */
3309 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3310 			if (func == NULL) {
3311 				error = ENOMEM;
3312 				goto bad;
3313 			}
3314 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3315 			if (pcminfo == NULL) {
3316 				error = ENOMEM;
3317 				goto bad;
3318 			}
3319 			pcminfo->card = sc;
3320 			pcminfo->route = RT_SUB;
3321 
3322 			func->func = SCF_PCM;
3323 			func->varinfo = pcminfo;
3324 			sc->pcm[RT_SUB] = device_add_child(dev, "pcm", -1);
3325 			device_set_ivars(sc->pcm[RT_SUB], func);
3326 		}
3327 		if (sc->has_71) {
3328 			/* SIDE */
3329 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3330 			if (func == NULL) {
3331 				error = ENOMEM;
3332 				goto bad;
3333 			}
3334 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3335 			if (pcminfo == NULL) {
3336 				error = ENOMEM;
3337 				goto bad;
3338 			}
3339 			pcminfo->card = sc;
3340 			pcminfo->route = RT_SIDE;
3341 
3342 			func->func = SCF_PCM;
3343 			func->varinfo = pcminfo;
3344 			sc->pcm[RT_SIDE] = device_add_child(dev, "pcm", -1);
3345 			device_set_ivars(sc->pcm[RT_SIDE], func);
3346 		}
3347 	} /* mch_disabled */
3348 
3349 	if (sc->mch_rec) {
3350 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3351 		if (func == NULL) {
3352 			error = ENOMEM;
3353 			goto bad;
3354 		}
3355 		pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3356 		if (pcminfo == NULL) {
3357 			error = ENOMEM;
3358 			goto bad;
3359 		}
3360 		pcminfo->card = sc;
3361 		pcminfo->route = RT_MCHRECORD;
3362 
3363 		func->func = SCF_PCM;
3364 		func->varinfo = pcminfo;
3365 		sc->pcm[RT_MCHRECORD] = device_add_child(dev, "pcm", -1);
3366 		device_set_ivars(sc->pcm[RT_MCHRECORD], func);
3367 	} /*mch_rec */
3368 
3369 	for (i = 0; i < 2; i++)
3370 		sc->midi[i] = NULL;
3371 
3372 	/* MIDI has some memory mangament and (possible) locking problems */
3373 #if 0
3374 	/* Midi Interface 1: Live!, Audigy, Audigy 2 */
3375 	if ((sc->is_emu10k1) || (sc->is_emu10k2) || (sc->is_ca0102)) {
3376 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3377 		if (func == NULL) {
3378 			error = ENOMEM;
3379 			goto bad;
3380 		}
3381 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3382 		if (midiinfo == NULL) {
3383 			error = ENOMEM;
3384 			goto bad;
3385 		}
3386 		midiinfo->card = sc;
3387 		if (sc->is_emu10k2 || (sc->is_ca0102)) {
3388 			midiinfo->port = EMU_A_MUDATA1;
3389 			midiinfo->portnr = 1;
3390 		}
3391 		if (sc->is_emu10k1) {
3392 			midiinfo->port = MUDATA;
3393 			midiinfo->portnr = 1;
3394 		}
3395 		func->func = SCF_MIDI;
3396 		func->varinfo = midiinfo;
3397 		sc->midi[0] = device_add_child(dev, "midi", -1);
3398 		device_set_ivars(sc->midi[0], func);
3399 	}
3400 	/* Midi Interface 2: Audigy, Audigy 2 (on AudigyDrive) */
3401 	if (sc->is_emu10k2 || (sc->is_ca0102)) {
3402 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3403 		if (func == NULL) {
3404 			error = ENOMEM;
3405 			goto bad;
3406 		}
3407 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3408 		if (midiinfo == NULL) {
3409 			error = ENOMEM;
3410 			goto bad;
3411 		}
3412 		midiinfo->card = sc;
3413 
3414 		midiinfo->port = EMU_A_MUDATA2;
3415 		midiinfo->portnr = 2;
3416 
3417 		func->func = SCF_MIDI;
3418 		func->varinfo = midiinfo;
3419 		sc->midi[1] = device_add_child(dev, "midi", -1);
3420 		device_set_ivars(sc->midi[1], func);
3421 	}
3422 #endif
3423 	return (bus_generic_attach(dev));
3424 
3425 bad:
3426 	/* XXX can we just call emu_pci_detach here? */
3427 	if (sc->cdev)
3428 		emu10kx_dev_uninit(sc);
3429 	if (sc->rm != NULL)
3430 		emu_rm_uninit(sc);
3431 	if (sc->reg)
3432 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3433 	if (sc->ih)
3434 		bus_teardown_intr(dev, sc->irq, sc->ih);
3435 	if (sc->irq)
3436 		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3437 	mtx_destroy(&sc->rw);
3438 	mtx_destroy(&sc->lock);
3439 	return (error);
3440 }
3441 
3442 static int
3443 emu_pci_detach(device_t dev)
3444 {
3445 	struct emu_sc_info *sc;
3446 	struct sndcard_func *func;
3447 	int devcount, i;
3448 	device_t *childlist;
3449 	int r = 0;
3450 
3451 	sc = device_get_softc(dev);
3452 
3453 	for (i = 0; i < RT_COUNT; i++) {
3454 		if (sc->pcm[i] != NULL) {
3455 			func = device_get_ivars(sc->pcm[i]);
3456 			if (func != NULL && func->func == SCF_PCM) {
3457 				device_set_ivars(sc->pcm[i], NULL);
3458 				free(func->varinfo, M_DEVBUF);
3459 				free(func, M_DEVBUF);
3460 			}
3461 			r = device_delete_child(dev, sc->pcm[i]);
3462 			if (r)	return (r);
3463 		}
3464 	}
3465 
3466 	if (sc->midi[0] != NULL) {
3467 		func = device_get_ivars(sc->midi[0]);
3468 		if (func != NULL && func->func == SCF_MIDI) {
3469 			device_set_ivars(sc->midi[0], NULL);
3470 			free(func->varinfo, M_DEVBUF);
3471 			free(func, M_DEVBUF);
3472 		}
3473 		r = device_delete_child(dev, sc->midi[0]);
3474 		if (r)	return (r);
3475 	}
3476 
3477 	if (sc->midi[1] != NULL) {
3478 		func = device_get_ivars(sc->midi[1]);
3479 		if (func != NULL && func->func == SCF_MIDI) {
3480 			device_set_ivars(sc->midi[1], NULL);
3481 			free(func->varinfo, M_DEVBUF);
3482 			free(func, M_DEVBUF);
3483 		}
3484 		r = device_delete_child(dev, sc->midi[1]);
3485 		if (r)	return (r);
3486 	}
3487 
3488 	if (device_get_children(dev, &childlist, &devcount) == 0)
3489 		for (i = 0; i < devcount - 1; i++) {
3490 			device_printf(dev, "removing stale child %d (unit %d)\n", i, device_get_unit(childlist[i]));
3491 			func = device_get_ivars(childlist[i]);
3492 			if (func != NULL && (func->func == SCF_MIDI || func->func == SCF_PCM)) {
3493 				device_set_ivars(childlist[i], NULL);
3494 				free(func->varinfo, M_DEVBUF);
3495 				free(func, M_DEVBUF);
3496 			}
3497 			device_delete_child(dev, childlist[i]);
3498 		}
3499 	if (childlist != NULL)
3500 		free(childlist, M_TEMP);
3501 
3502 	r = emu10kx_dev_uninit(sc);
3503 	if (r)
3504 		return (r);
3505 
3506 	/* shutdown chip */
3507 	emu_uninit(sc);
3508 	emu_rm_uninit(sc);
3509 
3510 	if (sc->mem.dmat)
3511 		bus_dma_tag_destroy(sc->mem.dmat);
3512 
3513 	if (sc->reg)
3514 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3515 	bus_teardown_intr(dev, sc->irq, sc->ih);
3516 	bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3517 	mtx_destroy(&sc->rw);
3518 	mtx_destroy(&sc->lock);
3519 
3520 	return (bus_generic_detach(dev));
3521 }
3522 /* add suspend, resume */
3523 static device_method_t emu_methods[] = {
3524 	/* Device interface */
3525 	DEVMETHOD(device_probe, emu_pci_probe),
3526 	DEVMETHOD(device_attach, emu_pci_attach),
3527 	DEVMETHOD(device_detach, emu_pci_detach),
3528 	/* Bus methods */
3529 	DEVMETHOD(bus_read_ivar, emu_read_ivar),
3530 	DEVMETHOD(bus_write_ivar, emu_write_ivar),
3531 
3532 	DEVMETHOD_END
3533 };
3534 
3535 
3536 static driver_t emu_driver = {
3537 	"emu10kx",
3538 	emu_methods,
3539 	sizeof(struct emu_sc_info),
3540 	NULL,
3541 	0,
3542 	NULL
3543 };
3544 
3545 static int
3546 emu_modevent(module_t mod __unused, int cmd, void *data __unused)
3547 {
3548 	int err = 0;
3549 
3550 	switch (cmd) {
3551 	case MOD_LOAD:
3552 		break;		/* Success */
3553 
3554 	case MOD_UNLOAD:
3555 	case MOD_SHUTDOWN:
3556 
3557 		/* XXX  Should we check state of pcm & midi subdevices here? */
3558 
3559 		break;		/* Success */
3560 
3561 	default:
3562 		err = EINVAL;
3563 		break;
3564 	}
3565 
3566 	return (err);
3567 
3568 }
3569 
3570 static devclass_t emu_devclass;
3571 
3572 DRIVER_MODULE(snd_emu10kx, pci, emu_driver, emu_devclass, emu_modevent, NULL);
3573 MODULE_VERSION(snd_emu10kx, SND_EMU10KX_PREFVER);
3574