xref: /freebsd/sys/dev/sound/pci/emu10kx.c (revision 18054d0220cfc8df9c9568c437bd6fbb59d53c3c)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
5  * Copyright (c) 2003-2007 Yuriy Tsibizov <yuriy.tsibizov@gfk.ru>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * $FreeBSD$
30  */
31 
32 #include <sys/param.h>
33 #include <sys/types.h>
34 #include <sys/bus.h>
35 #include <machine/bus.h>
36 #include <sys/rman.h>
37 #include <sys/systm.h>
38 #include <sys/sbuf.h>
39 #include <sys/queue.h>
40 #include <sys/lock.h>
41 #include <sys/mutex.h>
42 #include <sys/sysctl.h>
43 #include <sys/kdb.h>
44 
45 #include <dev/pci/pcireg.h>
46 #include <dev/pci/pcivar.h>
47 
48 #include <machine/clock.h>	/* for DELAY */
49 
50 #ifdef HAVE_KERNEL_OPTION_HEADERS
51 #include "opt_snd.h"
52 #endif
53 
54 #include <dev/sound/chip.h>
55 #include <dev/sound/pcm/sound.h>
56 #include <dev/sound/pcm/ac97.h>
57 
58 #include <dev/sound/pci/emuxkireg.h>
59 #include <dev/sound/pci/emu10kx.h>
60 
61 /* hw flags */
62 #define	HAS_51		0x0001
63 #define	HAS_71		0x0002
64 #define	HAS_AC97	0x0004
65 
66 #define	IS_EMU10K1	0x0008
67 #define	IS_EMU10K2	0x0010
68 #define	IS_CA0102	0x0020
69 #define	IS_CA0108	0x0040
70 #define	IS_UNKNOWN	0x0080
71 
72 #define	BROKEN_DIGITAL	0x0100
73 #define	DIGITAL_ONLY	0x0200
74 
75 #define	IS_CARDBUS	0x0400
76 
77 #define	MODE_ANALOG	1
78 #define	MODE_DIGITAL	2
79 #define	SPDIF_MODE_PCM	1
80 #define	SPDIF_MODE_AC3	2
81 
82 #define	MACS	0x0
83 #define	MACS1	0x1
84 #define	MACW	0x2
85 #define	MACW1	0x3
86 #define	MACINTS	0x4
87 #define	MACINTW	0x5
88 #define	ACC3	0x6
89 #define	MACMV	0x7
90 #define	ANDXOR	0x8
91 #define	TSTNEG	0x9
92 #define	LIMIT	0xA
93 #define	LIMIT1	0xB
94 #define	LOG	0xC
95 #define	EXP	0xD
96 #define	INTERP	0xE
97 #define	SKIP	0xF
98 
99 #define	GPR(i)	(sc->gpr_base+(i))
100 #define	INP(i)	(sc->input_base+(i))
101 #define	OUTP(i)	(sc->output_base+(i))
102 #define	FX(i)	(i)
103 #define	FX2(i)	(sc->efxc_base+(i))
104 #define	DSP_CONST(i) (sc->dsp_zero+(i))
105 
106 #define	COND_NORMALIZED	DSP_CONST(0x1)
107 #define	COND_BORROW	DSP_CONST(0x2)
108 #define	COND_MINUS	DSP_CONST(0x3)
109 #define	COND_LESS_ZERO	DSP_CONST(0x4)
110 #define	COND_EQ_ZERO	DSP_CONST(0x5)
111 #define	COND_SATURATION	DSP_CONST(0x6)
112 #define	COND_NEQ_ZERO	DSP_CONST(0x8)
113 
114 #define	DSP_ACCUM	DSP_CONST(0x16)
115 #define	DSP_CCR		DSP_CONST(0x17)
116 
117 /* Live! Inputs */
118 #define	IN_AC97_L 	0x00
119 #define	IN_AC97_R 	0x01
120 #define	IN_AC97		IN_AC97_L
121 #define	IN_SPDIF_CD_L	0x02
122 #define	IN_SPDIF_CD_R	0x03
123 #define	IN_SPDIF_CD	IN_SPDIF_CD_L
124 #define	IN_ZOOM_L 	0x04
125 #define	IN_ZOOM_R 	0x05
126 #define	IN_ZOOM		IN_ZOOM_L
127 #define	IN_TOSLINK_L	0x06
128 #define	IN_TOSLINK_R	0x07
129 #define	IN_TOSLINK	IN_TOSLINK_L
130 #define	IN_LINE1_L	0x08
131 #define	IN_LINE1_R	0x09
132 #define	IN_LINE1	IN_LINE1_L
133 #define	IN_COAX_SPDIF_L	0x0a
134 #define	IN_COAX_SPDIF_R	0x0b
135 #define	IN_COAX_SPDIF	IN_COAX_SPDIF_L
136 #define	IN_LINE2_L	0x0c
137 #define	IN_LINE2_R	0x0d
138 #define	IN_LINE2	IN_LINE2_L
139 #define	IN_0E		0x0e
140 #define	IN_0F		0x0f
141 
142 /* Outputs */
143 #define	OUT_AC97_L	0x00
144 #define	OUT_AC97_R	0x01
145 #define	OUT_AC97	OUT_AC97_L
146 #define	OUT_A_FRONT	OUT_AC97
147 #define	OUT_TOSLINK_L 	0x02
148 #define	OUT_TOSLINK_R 	0x03
149 #define	OUT_TOSLINK	OUT_TOSLINK_L
150 #define	OUT_D_CENTER	0x04
151 #define	OUT_D_SUB	0x05
152 #define	OUT_HEADPHONE_L	0x06
153 #define	OUT_HEADPHONE_R	0x07
154 #define	OUT_HEADPHONE	OUT_HEADPHONE_L
155 #define	OUT_REAR_L	0x08
156 #define	OUT_REAR_R	0x09
157 #define	OUT_REAR	OUT_REAR_L
158 #define	OUT_ADC_REC_L 	0x0a
159 #define	OUT_ADC_REC_R	0x0b
160 #define	OUT_ADC_REC	OUT_ADC_REC_L
161 #define	OUT_MIC_CAP	0x0c
162 
163 /* Live! 5.1 Digital, non-standard 5.1 (center & sub) outputs */
164 #define	OUT_A_CENTER	0x11
165 #define	OUT_A_SUB	0x12
166 
167 /* Audigy Inputs */
168 #define	A_IN_AC97_L	0x00
169 #define	A_IN_AC97_R	0x01
170 #define	A_IN_AC97	A_IN_AC97_L
171 #define	A_IN_SPDIF_CD_L	0x02
172 #define	A_IN_SPDIF_CD_R	0x03
173 #define	A_IN_SPDIF_CD	A_IN_SPDIF_CD_L
174 #define	A_IN_O_SPDIF_L	0x04
175 #define	A_IN_O_SPDIF_R	0x05
176 #define	A_IN_O_SPDIF	A_IN_O_SPDIF_L
177 #define	A_IN_LINE2_L	0x08
178 #define	A_IN_LINE2_R	0x09
179 #define	A_IN_LINE2	A_IN_LINE2_L
180 #define	A_IN_R_SPDIF_L	0x0a
181 #define	A_IN_R_SPDIF_R	0x0b
182 #define	A_IN_R_SPDIF	A_IN_R_SPDIF_L
183 #define	A_IN_AUX2_L	0x0c
184 #define	A_IN_AUX2_R	0x0d
185 #define	A_IN_AUX2	A_IN_AUX2_L
186 
187 /* Audigy Outputs */
188 #define	A_OUT_D_FRONT_L	0x00
189 #define	A_OUT_D_FRONT_R	0x01
190 #define	A_OUT_D_FRONT	A_OUT_D_FRONT_L
191 #define	A_OUT_D_CENTER	0x02
192 #define	A_OUT_D_SUB	0x03
193 #define	A_OUT_D_SIDE_L	0x04
194 #define	A_OUT_D_SIDE_R	0x05
195 #define	A_OUT_D_SIDE	A_OUT_D_SIDE_L
196 #define	A_OUT_D_REAR_L	0x06
197 #define	A_OUT_D_REAR_R	0x07
198 #define	A_OUT_D_REAR	A_OUT_D_REAR_L
199 
200 /* on Audigy Platinum only */
201 #define	A_OUT_HPHONE_L	0x04
202 #define	A_OUT_HPHONE_R	0x05
203 #define	A_OUT_HPHONE	A_OUT_HPHONE_L
204 
205 #define	A_OUT_A_FRONT_L	0x08
206 #define	A_OUT_A_FRONT_R	0x09
207 #define	A_OUT_A_FRONT	A_OUT_A_FRONT_L
208 #define	A_OUT_A_CENTER	0x0a
209 #define	A_OUT_A_SUB	0x0b
210 #define	A_OUT_A_SIDE_L	0x0c
211 #define	A_OUT_A_SIDE_R	0x0d
212 #define	A_OUT_A_SIDE	A_OUT_A_SIDE_L
213 #define	A_OUT_A_REAR_L	0x0e
214 #define	A_OUT_A_REAR_R	0x0f
215 #define	A_OUT_A_REAR	A_OUT_A_REAR_L
216 #define	A_OUT_AC97_L	0x10
217 #define	A_OUT_AC97_R	0x11
218 #define	A_OUT_AC97	A_OUT_AC97_L
219 #define	A_OUT_ADC_REC_L	0x16
220 #define	A_OUT_ADC_REC_R	0x17
221 #define	A_OUT_ADC_REC	A_OUT_ADC_REC_L
222 
223 #define EMU_DATA2	0x24
224 #define EMU_IPR2	0x28
225 #define EMU_INTE2	0x2c
226 #define EMU_IPR3	0x38
227 #define EMU_INTE3	0x3c
228 
229 #define EMU_A2_SRCSel		0x60
230 #define EMU_A2_SRCMULTI_ENABLE	0x6e
231 
232 #define EMU_A_I2S_CAPTURE_96000	0x00000400
233 
234 #define EMU_A2_MIXER_I2S_ENABLE           0x7B
235 #define EMU_A2_MIXER_SPDIF_ENABLE         0x7A
236 
237 #define	C_FRONT_L	0
238 #define	C_FRONT_R	1
239 #define	C_REC_L		2
240 #define	C_REC_R		3
241 #define	C_REAR_L	4
242 #define	C_REAR_R	5
243 #define	C_CENTER	6
244 #define	C_SUB		7
245 #define	C_SIDE_L	8
246 #define	C_SIDE_R	9
247 #define	NUM_CACHES	10
248 
249 #define	CDSPDIFMUTE	0
250 #define	ANALOGMUTE	1
251 #define	NUM_MUTE	2
252 
253 #define	EMU_MAX_GPR	512
254 #define	EMU_MAX_IRQ_CONSUMERS 32
255 
256 struct emu_voice {
257 	int	vnum;
258 	unsigned int	b16:1, stereo:1, busy:1, running:1, ismaster:1;
259 	int	speed;
260 	int	start;
261 	int	end;
262 	int	vol;
263 	uint32_t buf;
264 	void	*vbuf;
265 	struct emu_voice *slave;
266 	uint32_t sa;
267 	uint32_t ea;
268 	uint32_t routing[8];
269 	uint32_t amounts[8];
270 };
271 
272 struct emu_memblk {
273 	SLIST_ENTRY(emu_memblk)	link;
274 	void		*buf;
275 	char		owner[16];
276 	bus_addr_t	buf_addr;
277 	uint32_t	pte_start, pte_size;
278 	bus_dmamap_t	buf_map;
279 };
280 
281 struct emu_mem {
282 	uint8_t		bmap[EMU_MAXPAGES / 8];
283 	uint32_t	*ptb_pages;
284 	void		*silent_page;
285 	bus_addr_t	ptb_pages_addr;
286 	bus_addr_t	silent_page_addr;
287 	bus_dmamap_t	ptb_map;
288 	bus_dmamap_t	silent_map;
289 	bus_dma_tag_t	dmat;
290 	struct emu_sc_info *card;
291 	SLIST_HEAD(, emu_memblk) blocks;
292 };
293 
294 /* rm */
295 struct emu_rm {
296 	struct emu_sc_info *card;
297 	struct mtx	gpr_lock;
298 	signed int	allocmap[EMU_MAX_GPR];
299 	int		num_gprs;
300 	int		last_free_gpr;
301 	int 		num_used;
302 };
303 
304 struct emu_intr_handler {
305 	void*		softc;
306 	uint32_t	intr_mask;
307 	uint32_t	inte_mask;
308 	uint32_t(*irq_func) (void *softc, uint32_t irq);
309 };
310 
311 struct emu_sc_info {
312 	struct mtx	lock;
313 	struct mtx	rw;		/* Hardware exclusive access lock */
314 
315 	/* Hardware and subdevices */
316 	device_t	dev;
317 	device_t	pcm[RT_COUNT];
318 	device_t	midi[2];
319 	uint32_t	type;
320 	uint32_t	rev;
321 
322 	bus_space_tag_t	st;
323 	bus_space_handle_t sh;
324 
325 	struct cdev	*cdev;		/* /dev/emu10k character device */
326 	struct mtx	emu10kx_lock;
327 	int		emu10kx_isopen;
328 	struct sbuf	emu10kx_sbuf;
329 	int		emu10kx_bufptr;
330 
331 	/* Resources */
332 	struct resource	*reg;
333 	struct resource	*irq;
334 	void 		*ih;
335 
336 	/* IRQ handlers */
337 	struct emu_intr_handler ihandler[EMU_MAX_IRQ_CONSUMERS];
338 
339 	/* Card HW configuration */
340 	unsigned int	mode;	/* analog / digital */
341 	unsigned int	mchannel_fx;
342 	unsigned int	dsp_zero;
343 	unsigned int	code_base;
344 	unsigned int	code_size;
345 	unsigned int	gpr_base;
346 	unsigned int	num_gprs;
347 	unsigned int	input_base;
348 	unsigned int	output_base;
349 	unsigned int	efxc_base;
350 	unsigned int	opcode_shift;
351 	unsigned int	high_operand_shift;
352 	unsigned int	address_mask;
353 	uint32_t 	is_emu10k1:1, is_emu10k2, is_ca0102, is_ca0108:1,
354 			has_ac97:1, has_51:1, has_71:1,
355 			enable_ir:1,
356 			broken_digital:1, is_cardbus:1;
357 
358 	signed int	mch_disabled, mch_rec, dbg_level;
359 	signed int 	num_inputs;
360 	unsigned int 	num_outputs;
361 	unsigned int 	num_fxbuses;
362 	unsigned int 	routing_code_start;
363 	unsigned int	routing_code_end;
364 
365 	/* HW resources */
366 	struct emu_voice voice[NUM_G];			/* Hardware voices */
367 	uint32_t	irq_mask[EMU_MAX_IRQ_CONSUMERS]; /* IRQ manager data */
368 	int 		timer[EMU_MAX_IRQ_CONSUMERS];	/* timer */
369 	int		timerinterval;
370 	struct		emu_rm *rm;
371 	struct		emu_mem mem;			/* memory */
372 
373 	/* Mixer */
374 	int		mixer_gpr[NUM_MIXERS];
375 	int		mixer_volcache[NUM_MIXERS];
376 	int		cache_gpr[NUM_CACHES];
377 	int		dummy_gpr;
378 	int		mute_gpr[NUM_MUTE];
379 	struct sysctl_ctx_list	*ctx;
380 	struct sysctl_oid	*root;
381 };
382 
383 static void	emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error);
384 static void*	emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, bus_dmamap_t *map);
385 static void	emu_free(struct emu_mem *mem, void *dmabuf, bus_dmamap_t map);
386 static void*	emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char * owner);
387 static int	emu_memfree(struct emu_mem *mem, void *membuf);
388 static int	emu_memstart(struct emu_mem *mem, void *membuf);
389 
390 /* /dev */
391 static int	emu10kx_dev_init(struct emu_sc_info *sc);
392 static int	emu10kx_dev_uninit(struct emu_sc_info *sc);
393 static int	emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s);
394 
395 static void	emumix_set_mode(struct emu_sc_info *sc, int mode);
396 static void	emumix_set_spdif_mode(struct emu_sc_info *sc, int mode);
397 static void	emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol);
398 static void	emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val);
399 static int	sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS);
400 
401 static int	emu_rm_init(struct emu_sc_info *sc);
402 static int	emu_rm_uninit(struct emu_sc_info *sc);
403 static int	emu_rm_gpr_alloc(struct emu_rm *rm, int count);
404 
405 static unsigned int emu_getcard(device_t dev);
406 static uint32_t	emu_rd_nolock(struct emu_sc_info *sc, unsigned int regno, unsigned int size);
407 static void	emu_wr_nolock(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size);
408 static void	emu_wr_cbptr(struct emu_sc_info *sc, uint32_t data);
409 
410 static void	emu_vstop(struct emu_sc_info *sc, char channel, int enable);
411 
412 static void	emu_intr(void *p);
413 static void	emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data);
414 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);
415 static void	emu_initefx(struct emu_sc_info *sc);
416 
417 static int	emu_cardbus_init(struct emu_sc_info *sc);
418 static int	emu_init(struct emu_sc_info *sc);
419 static int	emu_uninit(struct emu_sc_info *sc);
420 
421 static int	emu_read_ivar(device_t bus __unused, device_t dev, int ivar_index, uintptr_t * result);
422 static int	emu_write_ivar(device_t bus __unused, device_t dev __unused,
423     int ivar_index, uintptr_t value __unused);
424 
425 static int	emu_pci_probe(device_t dev);
426 static int	emu_pci_attach(device_t dev);
427 static int	emu_pci_detach(device_t dev);
428 static int	emu_modevent(module_t mod __unused, int cmd, void *data __unused);
429 
430 #ifdef	SND_EMU10KX_DEBUG
431 
432 #define EMU_MTX_DEBUG() do { 						\
433 		if (mtx_owned(&sc->rw)) {				\
434 		printf("RW owned in %s line %d for %s\n", __func__,	\
435 			__LINE__ , device_get_nameunit(sc->dev));	\
436 		printf("rw lock owned: %d\n", mtx_owned(&sc->rw));	\
437 		printf("rw lock: value %x thread %x\n",			\
438 			((&sc->rw)->mtx_lock & ~MTX_FLAGMASK), 		\
439 			(uintptr_t)curthread);				\
440 		printf("rw lock: recursed %d\n", mtx_recursed(&sc->rw));\
441 		db_show_mtx(&sc->rw);					\
442 		}							\
443 	} while (0)
444 #else
445 #define EMU_MTX_DEBUG() do { 						\
446 	} while (0)
447 #endif
448 
449 #define EMU_RWLOCK() do {		\
450 	EMU_MTX_DEBUG();		\
451 	mtx_lock(&(sc->rw));		\
452 	} while (0)
453 
454 #define EMU_RWUNLOCK() do {		\
455 	mtx_unlock(&(sc->rw));		\
456 	EMU_MTX_DEBUG();		\
457 	} while (0)
458 
459 /* Supported cards */
460 struct emu_hwinfo {
461 	uint16_t	vendor;
462 	uint16_t	device;
463 	uint16_t	subvendor;
464 	uint16_t	subdevice;
465 	char		SBcode[8];
466 	char		desc[32];
467 	int		flags;
468 };
469 
470 static struct emu_hwinfo emu_cards[] = {
471 	{0xffff, 0xffff, 0xffff, 0xffff, "BADCRD", "Not a compatible card", 0},
472 	/* 0x0020..0x002f 4.0 EMU10K1 cards */
473 	{0x1102, 0x0002, 0x1102, 0x0020, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
474 	{0x1102, 0x0002, 0x1102, 0x0021, "CT4620", "SBLive!", HAS_AC97 | IS_EMU10K1},
475 	{0x1102, 0x0002, 0x1102, 0x002f, "CT????", "SBLive! mainboard implementation", HAS_AC97 | IS_EMU10K1},
476 
477 	/* (range unknown) 5.1 EMU10K1 cards */
478 	{0x1102, 0x0002, 0x1102, 0x100a, "CT????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
479 
480 	/* 0x80??..0x805? 4.0 EMU10K1 cards */
481 	{0x1102, 0x0002, 0x1102, 0x8022, "CT4780", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
482 	{0x1102, 0x0002, 0x1102, 0x8023, "CT4790", "SB PCI512", HAS_AC97 | IS_EMU10K1},
483 	{0x1102, 0x0002, 0x1102, 0x8024, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
484 	{0x1102, 0x0002, 0x1102, 0x8025, "CT????", "SBLive! Mainboard Implementation", HAS_AC97 | IS_EMU10K1},
485 	{0x1102, 0x0002, 0x1102, 0x8026, "CT4830", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
486 	{0x1102, 0x0002, 0x1102, 0x8027, "CT4832", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
487 	{0x1102, 0x0002, 0x1102, 0x8028, "CT4760", "SBLive! OEM version", HAS_AC97 | IS_EMU10K1},
488 	{0x1102, 0x0002, 0x1102, 0x8031, "CT4831", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
489 	{0x1102, 0x0002, 0x1102, 0x8040, "CT4760", "SBLive!", HAS_AC97 | IS_EMU10K1},
490 	{0x1102, 0x0002, 0x1102, 0x8051, "CT4850", "SBLive! Value", HAS_AC97 | IS_EMU10K1},
491 
492 	/* 0x8061..0x???? 5.1 EMU10K1  cards */
493 	{0x1102, 0x0002, 0x1102, 0x8061, "SB????", "SBLive! Player 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
494 	{0x1102, 0x0002, 0x1102, 0x8062, "CT4830", "SBLive! 1024", HAS_AC97 | HAS_51 | IS_EMU10K1},
495 	{0x1102, 0x0002, 0x1102, 0x8064, "SB????", "SBLive! 5.1", HAS_AC97 | HAS_51 | IS_EMU10K1},
496 	{0x1102, 0x0002, 0x1102, 0x8065, "SB0220", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
497 	{0x1102, 0x0002, 0x1102, 0x8066, "CT4780", "SBLive! 5.1 Digital", HAS_AC97 | HAS_51 | IS_EMU10K1},
498 	{0x1102, 0x0002, 0x1102, 0x8067, "SB????", "SBLive!", HAS_AC97 | HAS_51 | IS_EMU10K1},
499 
500 	/* Generic SB Live! */
501 	{0x1102, 0x0002, 0x1102, 0x0000, "SB????", "SBLive! (Unknown model)", HAS_AC97 | IS_EMU10K1},
502 
503 	/* 0x0041..0x0043 EMU10K2 (some kind of Audigy) cards */
504 
505 	/* 0x0051..0x0051 5.1 CA0100-IAF cards */
506 	{0x1102, 0x0004, 0x1102, 0x0051, "SB0090", "Audigy", HAS_AC97 | HAS_51 | IS_EMU10K2},
507 	/* ES is CA0100-IDF chip that don't work in digital mode */
508 	{0x1102, 0x0004, 0x1102, 0x0052, "SB0160", "Audigy ES", HAS_AC97 | HAS_71 | IS_EMU10K2 | BROKEN_DIGITAL},
509 	/* 0x0053..0x005C 5.1 CA0101-NAF cards */
510 	{0x1102, 0x0004, 0x1102, 0x0053, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
511 	{0x1102, 0x0004, 0x1102, 0x0058, "SB0090", "Audigy Player/OEM", HAS_AC97 | HAS_51 | IS_EMU10K2},
512 
513 	/* 0x1002..0x1009 5.1 CA0102-IAT cards */
514 	{0x1102, 0x0004, 0x1102, 0x1002, "SB????", "Audigy 2 Platinum", HAS_51 | IS_CA0102},
515 	{0x1102, 0x0004, 0x1102, 0x1005, "SB????", "Audigy 2 Platinum EX", HAS_51 | IS_CA0102},
516 	{0x1102, 0x0004, 0x1102, 0x1007, "SB0240", "Audigy 2", HAS_AC97 | HAS_51 | IS_CA0102},
517 
518 	/* 0x2001..0x2003 7.1 CA0102-ICT cards */
519 	{0x1102, 0x0004, 0x1102, 0x2001, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
520 	{0x1102, 0x0004, 0x1102, 0x2002, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
521 	/* XXX No reports about 0x2003 & 0x2004 cards */
522 	{0x1102, 0x0004, 0x1102, 0x2003, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
523 	{0x1102, 0x0004, 0x1102, 0x2004, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
524 	{0x1102, 0x0004, 0x1102, 0x2005, "SB0350", "Audigy 2 ZS", HAS_AC97 | HAS_71 | IS_CA0102},
525 
526 	/* (range unknown) 7.1 CA0102-xxx Audigy 4 cards */
527 	{0x1102, 0x0004, 0x1102, 0x2007, "SB0380", "Audigy 4 Pro", HAS_AC97 | HAS_71 | IS_CA0102},
528 
529 	/* Generic Audigy or Audigy 2 */
530 	{0x1102, 0x0004, 0x1102, 0x0000, "SB????", "Audigy (Unknown model)", HAS_AC97 | HAS_51 | IS_EMU10K2},
531 
532 	/* We don't support CA0103-DAT (Audigy LS) cards */
533 	/* There is NO CA0104-xxx cards */
534 	/* There is NO CA0105-xxx cards */
535 	/* We don't support CA0106-DAT (SB Live! 24 bit) cards */
536 	/* There is NO CA0107-xxx cards */
537 
538 	/* 0x1000..0x1001 7.1 CA0108-IAT cards */
539 	{0x1102, 0x0008, 0x1102, 0x1000, "SB????", "Audigy 2 LS", HAS_AC97 | HAS_51 | IS_CA0108 | DIGITAL_ONLY},
540 	{0x1102, 0x0008, 0x1102, 0x1001, "SB0400", "Audigy 2 Value", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
541 	{0x1102, 0x0008, 0x1102, 0x1021, "SB0610", "Audigy 4", HAS_AC97 | HAS_71 | IS_CA0108 | DIGITAL_ONLY},
542 
543 	{0x1102, 0x0008, 0x1102, 0x2001, "SB0530", "Audigy 2 ZS CardBus", HAS_AC97 | HAS_71 | IS_CA0108 | IS_CARDBUS},
544 
545 	{0x1102, 0x0008, 0x0000, 0x0000, "SB????", "Audigy 2 Value (Unknown model)", HAS_AC97 | HAS_51 | IS_CA0108},
546 };
547 /* Unsupported cards */
548 
549 static struct emu_hwinfo emu_bad_cards[] = {
550 	/* APS cards should be possible to support */
551 	{0x1102, 0x0002, 0x1102, 0x4001, "EMUAPS", "E-mu APS", 0},
552 	{0x1102, 0x0002, 0x1102, 0x4002, "EMUAPS", "E-mu APS", 0},
553 	{0x1102, 0x0004, 0x1102, 0x4001, "EMU???", "E-mu 1212m [4001]", 0},
554 	/* Similar-named ("Live!" or "Audigy") cards on different chipsets */
555 	{0x1102, 0x8064, 0x0000, 0x0000, "SB0100", "SBLive! 5.1 OEM", 0},
556 	{0x1102, 0x0006, 0x0000, 0x0000, "SB0200", "DELL OEM SBLive! Value", 0},
557 	{0x1102, 0x0007, 0x0000, 0x0000, "SB0310", "Audigy LS", 0},
558 };
559 
560 /*
561  * Get best known information about device.
562  */
563 static unsigned int
564 emu_getcard(device_t dev)
565 {
566 	uint16_t device;
567 	uint16_t subdevice;
568 	unsigned int thiscard;
569 	int i;
570 
571 	device = pci_read_config(dev, PCIR_DEVICE, /* bytes */ 2);
572 	subdevice = pci_read_config(dev, PCIR_SUBDEV_0, /* bytes */ 2);
573 
574 	thiscard = 0;
575 	for (i = 1; i < nitems(emu_cards); i++) {
576 		if (device == emu_cards[i].device) {
577 			if (subdevice == emu_cards[i].subdevice) {
578 				thiscard = i;
579 				break;
580 			}
581 			if (0x0000 == emu_cards[i].subdevice) {
582 				thiscard = i;
583 				/*
584 				 * don't break, we can get more specific card
585 				 * later in the list.
586 				 */
587 			}
588 		}
589 	}
590 
591 	for (i = 0; i < nitems(emu_bad_cards); i++) {
592 		if (device == emu_bad_cards[i].device) {
593 			if (subdevice == emu_bad_cards[i].subdevice) {
594 				thiscard = 0;
595 				break;
596 			}
597 			if (0x0000 == emu_bad_cards[i].subdevice) {
598 				thiscard = 0;
599 				break;	/* we avoid all this cards */
600 			}
601 		}
602 	}
603 	return (thiscard);
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 
736 	/*
737 	 * 0x38 is IPE3 (CD S/PDIF interrupt pending register) on CA0102. Seems
738 	 * to be some reg/value accessible kind of config register on CardBus
739 	 * CA0108, with value(?) in top 16 bit, address(?) in low 16
740 	 */
741 
742 	emu_rd_nolock(sc, 0x38, 4);
743 	emu_wr_nolock(sc, 0x38, data, 4);
744 	emu_rd_nolock(sc, 0x38, 4);
745 
746 }
747 
748 /*
749  * Direct hardware register access
750  * Assume that it is never used to access EMU_PTR-based registers and can run unlocked.
751  */
752 void
753 emu_wr(struct emu_sc_info *sc, unsigned int regno, uint32_t data, unsigned int size)
754 {
755 	KASSERT(regno != EMU_PTR, ("emu_wr: attempt to write to EMU_PTR"));
756 	KASSERT(regno != EMU_A2_PTR, ("emu_wr: attempt to write to EMU_A2_PTR"));
757 
758 	emu_wr_nolock(sc, regno, data, size);
759 }
760 
761 uint32_t
762 emu_rd(struct emu_sc_info *sc, unsigned int regno, unsigned int size)
763 {
764 	uint32_t rd;
765 
766 	KASSERT(regno != EMU_DATA, ("emu_rd: attempt to read DATA"));
767 	KASSERT(regno != EMU_DATA2, ("emu_rd: attempt to read DATA2"));
768 
769 	rd = emu_rd_nolock(sc, regno, size);
770 	return (rd);
771 }
772 
773 /*
774  * Enabling IR MIDI messages is another kind of black magic. It just
775  * has to be made this way. It really do it.
776  */
777 void
778 emu_enable_ir(struct emu_sc_info *sc)
779 {
780 	uint32_t iocfg;
781 
782 	if (sc->is_emu10k2 || sc->is_ca0102) {
783 		iocfg = emu_rd_nolock(sc, EMU_A_IOCFG, 2);
784 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT2, 2);
785 		DELAY(500);
786 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1 | EMU_A_IOCFG_GPOUT2, 2);
787 		DELAY(500);
788 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg | EMU_A_IOCFG_GPOUT1, 2);
789 		DELAY(100);
790 		emu_wr_nolock(sc, EMU_A_IOCFG, iocfg, 2);
791 		device_printf(sc->dev, "Audigy IR MIDI events enabled.\n");
792 		sc->enable_ir = 1;
793 	}
794 	if (sc->is_emu10k1) {
795 		iocfg = emu_rd_nolock(sc, EMU_HCFG, 4);
796 		emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT2, 4);
797 		DELAY(500);
798 		emu_wr_nolock(sc, EMU_HCFG, iocfg | EMU_HCFG_GPOUT1 | EMU_HCFG_GPOUT2, 4);
799 		DELAY(100);
800 		emu_wr_nolock(sc, EMU_HCFG, iocfg, 4);
801 		device_printf(sc->dev, "SB Live! IR MIDI events enabled.\n");
802 		sc->enable_ir = 1;
803 	}
804 }
805 
806 /*
807  * emu_timer_ - HW timer management
808  */
809 int
810 emu_timer_create(struct emu_sc_info *sc)
811 {
812 	int i, timer;
813 
814 	timer = -1;
815 
816 	mtx_lock(&sc->lock);
817 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
818 		if (sc->timer[i] == 0) {
819 			sc->timer[i] = -1;	/* disable it */
820 			timer = i;
821 			mtx_unlock(&sc->lock);
822 			return (timer);
823 		}
824 	mtx_unlock(&sc->lock);
825 
826 	return (-1);
827 }
828 
829 int
830 emu_timer_set(struct emu_sc_info *sc, int timer, int delay)
831 {
832 	int i;
833 
834 	if (timer < 0)
835 		return (-1);
836 
837 	RANGE(delay, 16, 1024);
838 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
839 
840 	mtx_lock(&sc->lock);
841 	sc->timer[timer] = delay;
842 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
843 		if (sc->timerinterval > sc->timer[i])
844 			sc->timerinterval = sc->timer[i];
845 
846 	/* XXX */
847 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
848 	mtx_unlock(&sc->lock);
849 
850 	return (timer);
851 }
852 
853 int
854 emu_timer_enable(struct emu_sc_info *sc, int timer, int go)
855 {
856 	uint32_t x;
857 	int ena_int;
858 	int i;
859 
860 	if (timer < 0)
861 		return (-1);
862 
863 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
864 
865 	mtx_lock(&sc->lock);
866 
867 	if ((go == 1) && (sc->timer[timer] < 0))
868 		sc->timer[timer] = -sc->timer[timer];
869 	if ((go == 0) && (sc->timer[timer] > 0))
870 		sc->timer[timer] = -sc->timer[timer];
871 
872 	ena_int = 0;
873 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
874 		if (sc->timerinterval > sc->timer[i])
875 			sc->timerinterval = sc->timer[i];
876 		if (sc->timer[i] > 0)
877 			ena_int = 1;
878 	}
879 
880 	emu_wr(sc, EMU_TIMER, sc->timerinterval & 0x03ff, 2);
881 
882 	if (ena_int == 1) {
883 		x = emu_rd(sc, EMU_INTE, 4);
884 		x |= EMU_INTE_INTERTIMERENB;
885 		emu_wr(sc, EMU_INTE, x, 4);
886 	} else {
887 		x = emu_rd(sc, EMU_INTE, 4);
888 		x &= ~EMU_INTE_INTERTIMERENB;
889 		emu_wr(sc, EMU_INTE, x, 4);
890 	}
891 	mtx_unlock(&sc->lock);
892 	return (0);
893 }
894 
895 int
896 emu_timer_clear(struct emu_sc_info *sc, int timer)
897 {
898 	if (timer < 0)
899 		return (-1);
900 
901 	RANGE(timer, 0, EMU_MAX_IRQ_CONSUMERS-1);
902 
903 	emu_timer_enable(sc, timer, 0);
904 
905 	mtx_lock(&sc->lock);
906 	if (sc->timer[timer] != 0)
907 		sc->timer[timer] = 0;
908 	mtx_unlock(&sc->lock);
909 
910 	return (timer);
911 }
912 
913 /*
914  * emu_intr_ - HW interrupt handler management
915  */
916 int
917 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)
918 {
919 	int i;
920 	uint32_t x;
921 
922 	mtx_lock(&sc->lock);
923 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
924 		if (sc->ihandler[i].inte_mask == 0) {
925 			sc->ihandler[i].inte_mask = inte_mask;
926 			sc->ihandler[i].intr_mask = intr_mask;
927 			sc->ihandler[i].softc = isc;
928 			sc->ihandler[i].irq_func = func;
929 			x = emu_rd(sc, EMU_INTE, 4);
930 			x |= inte_mask;
931 			emu_wr(sc, EMU_INTE, x, 4);
932 			mtx_unlock(&sc->lock);
933 			if (sc->dbg_level > 1)
934 				device_printf(sc->dev, "ihandle %d registered\n", i);
935 
936 			return (i);
937 		}
938 	mtx_unlock(&sc->lock);
939 	if (sc->dbg_level > 1)
940 		device_printf(sc->dev, "ihandle not registered\n");
941 
942 	return (-1);
943 }
944 
945 int
946 emu_intr_unregister(struct emu_sc_info *sc, int hnumber)
947 {
948 	uint32_t x;
949 	int i;
950 
951 	mtx_lock(&sc->lock);
952 
953 	if (sc->ihandler[hnumber].inte_mask == 0) {
954 		mtx_unlock(&sc->lock);
955 		return (-1);
956 	}
957 
958 	x = emu_rd(sc, EMU_INTE, 4);
959 	x &= ~sc->ihandler[hnumber].inte_mask;
960 
961 	sc->ihandler[hnumber].inte_mask = 0;
962 	sc->ihandler[hnumber].intr_mask = 0;
963 	sc->ihandler[hnumber].softc = NULL;
964 	sc->ihandler[hnumber].irq_func = NULL;
965 
966 	/* other interrupt handlers may use this EMU_INTE value */
967 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
968 		if (sc->ihandler[i].inte_mask != 0)
969 			x |= sc->ihandler[i].inte_mask;
970 
971 	emu_wr(sc, EMU_INTE, x, 4);
972 
973 	mtx_unlock(&sc->lock);
974 	return (hnumber);
975 }
976 
977 static void
978 emu_intr(void *p)
979 {
980 	struct emu_sc_info *sc = (struct emu_sc_info *)p;
981 	uint32_t stat, ack;
982 	int i;
983 
984 	for (;;) {
985 		stat = emu_rd(sc, EMU_IPR, 4);
986 		ack = 0;
987 		if (stat == 0)
988 			break;
989 		emu_wr(sc, EMU_IPR, stat, 4);
990 		for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++) {
991 			if ((((sc->ihandler[i].intr_mask) & stat) != 0) &&
992 			    (((void *)sc->ihandler[i].irq_func) != NULL)) {
993 				ack |= sc->ihandler[i].irq_func(sc->ihandler[i].softc,
994 				    (sc->ihandler[i].intr_mask) & stat);
995 			}
996 		}
997 	if (sc->dbg_level > 1)
998 		if (stat & (~ack))
999 			device_printf(sc->dev, "Unhandled interrupt: %08x\n", stat & (~ack));
1000 	}
1001 
1002 	if ((sc->is_ca0102) || (sc->is_ca0108))
1003 		for (;;) {
1004 			stat = emu_rd(sc, EMU_IPR2, 4);
1005 			ack = 0;
1006 			if (stat == 0)
1007 				break;
1008 			emu_wr(sc, EMU_IPR2, stat, 4);
1009 			if (sc->dbg_level > 1)
1010 				device_printf(sc->dev, "EMU_IPR2: %08x\n", stat);
1011 
1012 			break;	/* to avoid infinite loop. should be removed
1013 				 * after completion of P16V interface. */
1014 		}
1015 
1016 	if (sc->is_ca0102)
1017 		for (;;) {
1018 			stat = emu_rd(sc, EMU_IPR3, 4);
1019 			ack = 0;
1020 			if (stat == 0)
1021 				break;
1022 			emu_wr(sc, EMU_IPR3, stat, 4);
1023 			if (sc->dbg_level > 1)
1024 				device_printf(sc->dev, "EMU_IPR3: %08x\n", stat);
1025 
1026 			break;	/* to avoid infinite loop. should be removed
1027 				 * after completion of S/PDIF interface */
1028 		}
1029 }
1030 
1031 /*
1032  * Get data from private emu10kx structure for PCM buffer allocation.
1033  * Used by PCM code only.
1034  */
1035 bus_dma_tag_t
1036 emu_gettag(struct emu_sc_info *sc)
1037 {
1038 	return (sc->mem.dmat);
1039 }
1040 
1041 static void
1042 emu_setmap(void *arg, bus_dma_segment_t * segs, int nseg, int error)
1043 {
1044 	bus_addr_t *phys = (bus_addr_t *) arg;
1045 
1046 	*phys = error ? 0 : (bus_addr_t) segs->ds_addr;
1047 
1048 	if (bootverbose) {
1049 		printf("emu10kx: setmap (%lx, %lx), nseg=%d, error=%d\n",
1050 		    (unsigned long)segs->ds_addr, (unsigned long)segs->ds_len,
1051 		    nseg, error);
1052 	}
1053 }
1054 
1055 static void *
1056 emu_malloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr,
1057     bus_dmamap_t *map)
1058 {
1059 	void *dmabuf;
1060 	int error;
1061 
1062 	*addr = 0;
1063 	if ((error = bus_dmamem_alloc(mem->dmat, &dmabuf, BUS_DMA_NOWAIT, map))) {
1064 		if (mem->card->dbg_level > 2)
1065 			device_printf(mem->card->dev, "emu_malloc: failed to alloc DMA map: %d\n", error);
1066 		return (NULL);
1067 		}
1068 	if ((error = bus_dmamap_load(mem->dmat, *map, dmabuf, sz, emu_setmap, addr, 0)) || !*addr) {
1069 		if (mem->card->dbg_level > 2)
1070 			device_printf(mem->card->dev, "emu_malloc: failed to load DMA memory: %d\n", error);
1071 		bus_dmamem_free(mem->dmat, dmabuf, *map);
1072 		return (NULL);
1073 		}
1074 	return (dmabuf);
1075 }
1076 
1077 static void
1078 emu_free(struct emu_mem *mem, void *dmabuf, bus_dmamap_t map)
1079 {
1080 	bus_dmamap_unload(mem->dmat, map);
1081 	bus_dmamem_free(mem->dmat, dmabuf, map);
1082 }
1083 
1084 static void *
1085 emu_memalloc(struct emu_mem *mem, uint32_t sz, bus_addr_t * addr, const char *owner)
1086 {
1087 	uint32_t blksz, start, idx, ofs, tmp, found;
1088 	struct emu_memblk *blk;
1089 	void *membuf;
1090 
1091 	blksz = sz / EMUPAGESIZE;
1092 	if (sz > (blksz * EMUPAGESIZE))
1093 		blksz++;
1094 	if (blksz > EMU_MAX_BUFSZ / EMUPAGESIZE) {
1095 		if (mem->card->dbg_level > 2)
1096 			device_printf(mem->card->dev, "emu_memalloc: memory request tool large\n");
1097 		return (NULL);
1098 		}
1099 	/* find a free block in the bitmap */
1100 	found = 0;
1101 	start = 1;
1102 	while (!found && start + blksz < EMU_MAXPAGES) {
1103 		found = 1;
1104 		for (idx = start; idx < start + blksz; idx++)
1105 			if (mem->bmap[idx >> 3] & (1 << (idx & 7)))
1106 				found = 0;
1107 		if (!found)
1108 			start++;
1109 	}
1110 	if (!found) {
1111 		if (mem->card->dbg_level > 2)
1112 			device_printf(mem->card->dev, "emu_memalloc: no free space in bitmap\n");
1113 		return (NULL);
1114 		}
1115 	blk = malloc(sizeof(*blk), M_DEVBUF, M_NOWAIT);
1116 	if (blk == NULL) {
1117 		if (mem->card->dbg_level > 2)
1118 			device_printf(mem->card->dev, "emu_memalloc: buffer allocation failed\n");
1119 		return (NULL);
1120 		}
1121 	bzero(blk, sizeof(*blk));
1122 	membuf = emu_malloc(mem, sz, &blk->buf_addr, &blk->buf_map);
1123 	*addr = blk->buf_addr;
1124 	if (membuf == NULL) {
1125 		if (mem->card->dbg_level > 2)
1126 			device_printf(mem->card->dev, "emu_memalloc: can't setup HW memory\n");
1127 		free(blk, M_DEVBUF);
1128 		return (NULL);
1129 	}
1130 	blk->buf = membuf;
1131 	blk->pte_start = start;
1132 	blk->pte_size = blksz;
1133 	strncpy(blk->owner, owner, 15);
1134 	blk->owner[15] = '\0';
1135 	ofs = 0;
1136 	for (idx = start; idx < start + blksz; idx++) {
1137 		mem->bmap[idx >> 3] |= 1 << (idx & 7);
1138 		tmp = (uint32_t) (blk->buf_addr + ofs);
1139 		mem->ptb_pages[idx] = (tmp << 1) | idx;
1140 		ofs += EMUPAGESIZE;
1141 	}
1142 	SLIST_INSERT_HEAD(&mem->blocks, blk, link);
1143 	return (membuf);
1144 }
1145 
1146 static int
1147 emu_memfree(struct emu_mem *mem, void *membuf)
1148 {
1149 	uint32_t idx, tmp;
1150 	struct emu_memblk *blk, *i;
1151 
1152 	blk = NULL;
1153 	SLIST_FOREACH(i, &mem->blocks, link) {
1154 		if (i->buf == membuf)
1155 			blk = i;
1156 	}
1157 	if (blk == NULL)
1158 		return (EINVAL);
1159 	SLIST_REMOVE(&mem->blocks, blk, emu_memblk, link);
1160 	emu_free(mem, membuf, blk->buf_map);
1161 	tmp = (uint32_t) (mem->silent_page_addr) << 1;
1162 	for (idx = blk->pte_start; idx < blk->pte_start + blk->pte_size; idx++) {
1163 		mem->bmap[idx >> 3] &= ~(1 << (idx & 7));
1164 		mem->ptb_pages[idx] = tmp | idx;
1165 	}
1166 	free(blk, M_DEVBUF);
1167 	return (0);
1168 }
1169 
1170 static int
1171 emu_memstart(struct emu_mem *mem, void *membuf)
1172 {
1173 	struct emu_memblk *blk, *i;
1174 
1175 	blk = NULL;
1176 	SLIST_FOREACH(i, &mem->blocks, link) {
1177 		if (i->buf == membuf)
1178 			blk = i;
1179 	}
1180 	if (blk == NULL)
1181 		return (-1);
1182 	return (blk->pte_start);
1183 }
1184 
1185 static uint32_t
1186 emu_rate_to_pitch(uint32_t rate)
1187 {
1188 	static uint32_t logMagTable[128] = {
1189 		0x00000, 0x02dfc, 0x05b9e, 0x088e6, 0x0b5d6, 0x0e26f, 0x10eb3, 0x13aa2,
1190 		0x1663f, 0x1918a, 0x1bc84, 0x1e72e, 0x2118b, 0x23b9a, 0x2655d, 0x28ed5,
1191 		0x2b803, 0x2e0e8, 0x30985, 0x331db, 0x359eb, 0x381b6, 0x3a93d, 0x3d081,
1192 		0x3f782, 0x41e42, 0x444c1, 0x46b01, 0x49101, 0x4b6c4, 0x4dc49, 0x50191,
1193 		0x5269e, 0x54b6f, 0x57006, 0x59463, 0x5b888, 0x5dc74, 0x60029, 0x623a7,
1194 		0x646ee, 0x66a00, 0x68cdd, 0x6af86, 0x6d1fa, 0x6f43c, 0x7164b, 0x73829,
1195 		0x759d4, 0x77b4f, 0x79c9a, 0x7bdb5, 0x7dea1, 0x7ff5e, 0x81fed, 0x8404e,
1196 		0x86082, 0x88089, 0x8a064, 0x8c014, 0x8df98, 0x8fef1, 0x91e20, 0x93d26,
1197 		0x95c01, 0x97ab4, 0x9993e, 0x9b79f, 0x9d5d9, 0x9f3ec, 0xa11d8, 0xa2f9d,
1198 		0xa4d3c, 0xa6ab5, 0xa8808, 0xaa537, 0xac241, 0xadf26, 0xafbe7, 0xb1885,
1199 		0xb3500, 0xb5157, 0xb6d8c, 0xb899f, 0xba58f, 0xbc15e, 0xbdd0c, 0xbf899,
1200 		0xc1404, 0xc2f50, 0xc4a7b, 0xc6587, 0xc8073, 0xc9b3f, 0xcb5ed, 0xcd07c,
1201 		0xceaec, 0xd053f, 0xd1f73, 0xd398a, 0xd5384, 0xd6d60, 0xd8720, 0xda0c3,
1202 		0xdba4a, 0xdd3b4, 0xded03, 0xe0636, 0xe1f4e, 0xe384a, 0xe512c, 0xe69f3,
1203 		0xe829f, 0xe9b31, 0xeb3a9, 0xecc08, 0xee44c, 0xefc78, 0xf148a, 0xf2c83,
1204 		0xf4463, 0xf5c2a, 0xf73da, 0xf8b71, 0xfa2f0, 0xfba57, 0xfd1a7, 0xfe8df
1205 	};
1206 	static char logSlopeTable[128] = {
1207 		0x5c, 0x5c, 0x5b, 0x5a, 0x5a, 0x59, 0x58, 0x58,
1208 		0x57, 0x56, 0x56, 0x55, 0x55, 0x54, 0x53, 0x53,
1209 		0x52, 0x52, 0x51, 0x51, 0x50, 0x50, 0x4f, 0x4f,
1210 		0x4e, 0x4d, 0x4d, 0x4d, 0x4c, 0x4c, 0x4b, 0x4b,
1211 		0x4a, 0x4a, 0x49, 0x49, 0x48, 0x48, 0x47, 0x47,
1212 		0x47, 0x46, 0x46, 0x45, 0x45, 0x45, 0x44, 0x44,
1213 		0x43, 0x43, 0x43, 0x42, 0x42, 0x42, 0x41, 0x41,
1214 		0x41, 0x40, 0x40, 0x40, 0x3f, 0x3f, 0x3f, 0x3e,
1215 		0x3e, 0x3e, 0x3d, 0x3d, 0x3d, 0x3c, 0x3c, 0x3c,
1216 		0x3b, 0x3b, 0x3b, 0x3b, 0x3a, 0x3a, 0x3a, 0x39,
1217 		0x39, 0x39, 0x39, 0x38, 0x38, 0x38, 0x38, 0x37,
1218 		0x37, 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x35,
1219 		0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34,
1220 		0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32,
1221 		0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x30, 0x30,
1222 		0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f
1223 	};
1224 	int i;
1225 
1226 	if (rate == 0)
1227 		return (0);
1228 	rate *= 11185;		/* Scale 48000 to 0x20002380 */
1229 	for (i = 31; i > 0; i--) {
1230 		if (rate & 0x80000000) {	/* Detect leading "1" */
1231 			return (((uint32_t) (i - 15) << 20) +
1232 			    logMagTable[0x7f & (rate >> 24)] +
1233 			    (0x7f & (rate >> 17)) *
1234 			    logSlopeTable[0x7f & (rate >> 24)]);
1235 		}
1236 		rate <<= 1;
1237 	}
1238 	/* NOTREACHED */
1239 	return (0);
1240 }
1241 
1242 static uint32_t
1243 emu_rate_to_linearpitch(uint32_t rate)
1244 {
1245 	rate = (rate << 8) / 375;
1246 	return ((rate >> 1) + (rate & 1));
1247 }
1248 
1249 struct emu_voice *
1250 emu_valloc(struct emu_sc_info *sc)
1251 {
1252 	struct emu_voice *v;
1253 	int i;
1254 
1255 	v = NULL;
1256 	mtx_lock(&sc->lock);
1257 	for (i = 0; i < NUM_G && sc->voice[i].busy; i++);
1258 	if (i < NUM_G) {
1259 		v = &sc->voice[i];
1260 		v->busy = 1;
1261 	}
1262 	mtx_unlock(&sc->lock);
1263 	return (v);
1264 }
1265 
1266 void
1267 emu_vfree(struct emu_sc_info *sc, struct emu_voice *v)
1268 {
1269 
1270 	mtx_lock(&sc->lock);
1271 	for (int i = 0; i < NUM_G; i++) {
1272 		if (v == &sc->voice[i] && sc->voice[i].busy) {
1273 			v->busy = 0;
1274 			/*
1275 			 * XXX What we should do with mono channels?
1276 			 * See -pcm.c emupchan_init for other side of
1277 			 * this problem
1278 			 */
1279 			if (v->slave != NULL)
1280 				emu_memfree(&sc->mem, v->vbuf);
1281 		}
1282 	}
1283 	mtx_unlock(&sc->lock);
1284 }
1285 
1286 int
1287 emu_vinit(struct emu_sc_info *sc, struct emu_voice *m, struct emu_voice *s,
1288     uint32_t sz, struct snd_dbuf *b)
1289 {
1290 	void *vbuf;
1291 	bus_addr_t tmp_addr;
1292 
1293 	vbuf = emu_memalloc(&sc->mem, sz, &tmp_addr, "vinit");
1294 	if (vbuf == NULL) {
1295 		if(sc->dbg_level > 2)
1296 			device_printf(sc->dev, "emu_memalloc returns NULL in enu_vinit\n");
1297 		return (ENOMEM);
1298 		}
1299 	if (b != NULL)
1300 		sndbuf_setup(b, vbuf, sz);
1301 	m->start = emu_memstart(&sc->mem, vbuf) * EMUPAGESIZE;
1302 	if (m->start < 0) {
1303 		if(sc->dbg_level > 2)
1304 			device_printf(sc->dev, "emu_memstart returns (-1) in enu_vinit\n");
1305 		emu_memfree(&sc->mem, vbuf);
1306 		return (ENOMEM);
1307 	}
1308 	m->end = m->start + sz;
1309 	m->speed = 0;
1310 	m->b16 = 0;
1311 	m->stereo = 0;
1312 	m->running = 0;
1313 	m->ismaster = 1;
1314 	m->vol = 0xff;
1315 	m->buf = tmp_addr;
1316 	m->vbuf = vbuf;
1317 	m->slave = s;
1318 	if (s != NULL) {
1319 		s->start = m->start;
1320 		s->end = m->end;
1321 		s->speed = 0;
1322 		s->b16 = 0;
1323 		s->stereo = 0;
1324 		s->running = 0;
1325 		s->ismaster = 0;
1326 		s->vol = m->vol;
1327 		s->buf = m->buf;
1328 		s->vbuf = NULL;
1329 		s->slave = NULL;
1330 	}
1331 	return (0);
1332 }
1333 
1334 void
1335 emu_vsetup(struct emu_voice *v, int fmt, int spd)
1336 {
1337 	if (fmt) {
1338 		v->b16 = (fmt & AFMT_16BIT) ? 1 : 0;
1339 		v->stereo = (AFMT_CHANNEL(fmt) > 1) ? 1 : 0;
1340 		if (v->slave != NULL) {
1341 			v->slave->b16 = v->b16;
1342 			v->slave->stereo = v->stereo;
1343 		}
1344 	}
1345 	if (spd) {
1346 		v->speed = spd;
1347 		if (v->slave != NULL)
1348 			v->slave->speed = v->speed;
1349 	}
1350 }
1351 
1352 void
1353 emu_vroute(struct emu_sc_info *sc, struct emu_route *rt,  struct emu_voice *v)
1354 {
1355 	int i;
1356 
1357 	for (i = 0; i < 8; i++) {
1358 		v->routing[i] = rt->routing_left[i];
1359 		v->amounts[i] = rt->amounts_left[i];
1360 	}
1361 	if ((v->stereo) && (v->ismaster == 0))
1362 		for (i = 0; i < 8; i++) {
1363 			v->routing[i] = rt->routing_right[i];
1364 			v->amounts[i] = rt->amounts_right[i];
1365 		}
1366 
1367 	if ((v->stereo) && (v->slave != NULL))
1368 		emu_vroute(sc, rt, v->slave);
1369 }
1370 
1371 void
1372 emu_vwrite(struct emu_sc_info *sc, struct emu_voice *v)
1373 {
1374 	int s;
1375 	uint32_t start, val, silent_page;
1376 
1377 	s = (v->stereo ? 1 : 0) + (v->b16 ? 1 : 0);
1378 
1379 	v->sa = v->start >> s;
1380 	v->ea = v->end >> s;
1381 
1382 	if (v->stereo) {
1383 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, EMU_CHAN_CPF_STEREO_MASK);
1384 	} else {
1385 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF, 0);
1386 	}
1387 	val = v->stereo ? 28 : 30;
1388 	val *= v->b16 ? 1 : 2;
1389 	start = v->sa + val;
1390 
1391 	if (sc->is_emu10k1) {
1392 		emu_wrptr(sc, v->vnum, EMU_CHAN_FXRT, ((v->routing[3] << 12) |
1393 		    (v->routing[2] << 8) |
1394 		    (v->routing[1] << 4) |
1395 		    (v->routing[0] << 0)) << 16);
1396 	} else {
1397 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT1, (v->routing[3] << 24) |
1398 		    (v->routing[2] << 16) |
1399 		    (v->routing[1] << 8) |
1400 		    (v->routing[0] << 0));
1401 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_FXRT2, (v->routing[7] << 24) |
1402 		    (v->routing[6] << 16) |
1403 		    (v->routing[5] << 8) |
1404 		    (v->routing[4] << 0));
1405 		emu_wrptr(sc, v->vnum, EMU_A_CHAN_SENDAMOUNTS, (v->amounts[7] << 24) |
1406 		    (v->amounts[6] << 26) |
1407 		    (v->amounts[5] << 8) |
1408 		    (v->amounts[4] << 0));
1409 	}
1410 	emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX, (v->amounts[0] << 8) | (v->amounts[1] << 0));
1411 	emu_wrptr(sc, v->vnum, EMU_CHAN_DSL, v->ea | (v->amounts[3] << 24));
1412 	emu_wrptr(sc, v->vnum, EMU_CHAN_PSST, v->sa | (v->amounts[2] << 24));
1413 
1414 	emu_wrptr(sc, v->vnum, EMU_CHAN_CCCA, start | (v->b16 ? 0 : EMU_CHAN_CCCA_8BITSELECT));
1415 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z1, 0);
1416 	emu_wrptr(sc, v->vnum, EMU_CHAN_Z2, 0);
1417 
1418 	silent_page = ((uint32_t) (sc->mem.silent_page_addr) << 1) | EMU_CHAN_MAP_PTI_MASK;
1419 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPA, silent_page);
1420 	emu_wrptr(sc, v->vnum, EMU_CHAN_MAPB, silent_page);
1421 
1422 	emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, EMU_CHAN_CVCF_CURRFILTER_MASK);
1423 	emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, EMU_CHAN_VTFT_FILTERTARGET_MASK);
1424 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDM, 0);
1425 	emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSM, EMU_CHAN_DCYSUSM_DECAYTIME_MASK);
1426 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL1, 0x8000);
1427 	emu_wrptr(sc, v->vnum, EMU_CHAN_LFOVAL2, 0x8000);
1428 	emu_wrptr(sc, v->vnum, EMU_CHAN_FMMOD, 0);
1429 	emu_wrptr(sc, v->vnum, EMU_CHAN_TREMFRQ, 0);
1430 	emu_wrptr(sc, v->vnum, EMU_CHAN_FM2FRQ2, 0);
1431 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVAL, 0x8000);
1432 
1433 	emu_wrptr(sc, v->vnum, EMU_CHAN_ATKHLDV, EMU_CHAN_ATKHLDV_HOLDTIME_MASK | EMU_CHAN_ATKHLDV_ATTACKTIME_MASK);
1434 	emu_wrptr(sc, v->vnum, EMU_CHAN_ENVVOL, 0x8000);
1435 
1436 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_FILTERAMOUNT, 0x7f);
1437 	emu_wrptr(sc, v->vnum, EMU_CHAN_PEFE_PITCHAMOUNT, 0);
1438 	if ((v->stereo) && (v->slave != NULL))
1439 		emu_vwrite(sc, v->slave);
1440 }
1441 
1442 static void
1443 emu_vstop(struct emu_sc_info *sc, char channel, int enable)
1444 {
1445 	int reg;
1446 
1447 	reg = (channel & 0x20) ? EMU_SOLEH : EMU_SOLEL;
1448 	channel &= 0x1f;
1449 	reg |= 1 << 24;
1450 	reg |= channel << 16;
1451 	emu_wrptr(sc, 0, reg, enable);
1452 }
1453 
1454 void
1455 emu_vtrigger(struct emu_sc_info *sc, struct emu_voice *v, int go)
1456 {
1457 	uint32_t pitch_target, initial_pitch;
1458 	uint32_t cra, cs, ccis;
1459 	uint32_t sample, i;
1460 
1461 	if (go) {
1462 		cra = 64;
1463 		cs = v->stereo ? 4 : 2;
1464 		ccis = v->stereo ? 28 : 30;
1465 		ccis *= v->b16 ? 1 : 2;
1466 		sample = v->b16 ? 0x00000000 : 0x80808080;
1467 		for (i = 0; i < cs; i++)
1468 			emu_wrptr(sc, v->vnum, EMU_CHAN_CD0 + i, sample);
1469 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, 0);
1470 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_READADDRESS, cra);
1471 		emu_wrptr(sc, v->vnum, EMU_CHAN_CCR_CACHEINVALIDSIZE, ccis);
1472 
1473 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xff00);
1474 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0xffffffff);
1475 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0xffffffff);
1476 		emu_wrptr(sc, v->vnum, EMU_CHAN_DCYSUSV, 0x00007f7f);
1477 		emu_vstop(sc, v->vnum, 0);
1478 
1479 		pitch_target = emu_rate_to_linearpitch(v->speed);
1480 		initial_pitch = emu_rate_to_pitch(v->speed) >> 8;
1481 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, pitch_target);
1482 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, pitch_target);
1483 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, initial_pitch);
1484 	} else {
1485 		emu_wrptr(sc, v->vnum, EMU_CHAN_PTRX_PITCHTARGET, 0);
1486 		emu_wrptr(sc, v->vnum, EMU_CHAN_CPF_PITCH, 0);
1487 		emu_wrptr(sc, v->vnum, EMU_CHAN_IFATN, 0xffff);
1488 		emu_wrptr(sc, v->vnum, EMU_CHAN_VTFT, 0x0000ffff);
1489 		emu_wrptr(sc, v->vnum, EMU_CHAN_CVCF, 0x0000ffff);
1490 		emu_wrptr(sc, v->vnum, EMU_CHAN_IP, 0);
1491 		emu_vstop(sc, v->vnum, 1);
1492 	}
1493 	if ((v->stereo) && (v->slave != NULL))
1494 		emu_vtrigger(sc, v->slave, go);
1495 }
1496 
1497 int
1498 emu_vpos(struct emu_sc_info *sc, struct emu_voice *v)
1499 {
1500 	int s, ptr;
1501 
1502 	s = (v->b16 ? 1 : 0) + (v->stereo ? 1 : 0);
1503 	ptr = (emu_rdptr(sc, v->vnum, EMU_CHAN_CCCA_CURRADDR) - (v->start >> s)) << s;
1504 	return (ptr & ~0x0000001f);
1505 }
1506 
1507 /* fx */
1508 static void
1509 emu_wrefx(struct emu_sc_info *sc, unsigned int pc, unsigned int data)
1510 {
1511 	emu_wrptr(sc, 0, sc->code_base + pc, data);
1512 }
1513 
1514 static void
1515 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)
1516 {
1517 	if ((*pc) + 1 > sc->code_size) {
1518 		device_printf(sc->dev, "DSP CODE OVERRUN: attept to write past code_size (pc=%d)\n", (*pc));
1519 		return;
1520 	}
1521 	emu_wrefx(sc, (*pc) * 2, (x << sc->high_operand_shift) | y);
1522 	emu_wrefx(sc, (*pc) * 2 + 1, (op << sc->opcode_shift) | (z << sc->high_operand_shift) | w);
1523 	(*pc)++;
1524 }
1525 
1526 static int
1527 sysctl_emu_mixer_control(SYSCTL_HANDLER_ARGS)
1528 {
1529 	struct emu_sc_info *sc;
1530 	int	mixer_id;
1531 	int	new_vol;
1532 	int	err;
1533 
1534 	sc = arg1;
1535 	mixer_id = arg2;
1536 
1537 	new_vol = emumix_get_volume(sc, mixer_id);
1538 	err = sysctl_handle_int(oidp, &new_vol, 0, req);
1539 
1540 	if (err || req->newptr == NULL)
1541 		return (err);
1542 	if (new_vol < 0 || new_vol > 100)
1543 		return (EINVAL);
1544 	emumix_set_volume(sc, mixer_id, new_vol);
1545 
1546 	return (0);
1547 }
1548 
1549 static int
1550 emu_addefxmixer(struct emu_sc_info *sc, const char *mix_name, const int mix_id, uint32_t defvolume)
1551 {
1552 	int volgpr;
1553 	char	sysctl_name[32];
1554 
1555 	volgpr = emu_rm_gpr_alloc(sc->rm, 1);
1556 	emumix_set_fxvol(sc, volgpr, defvolume);
1557 	/*
1558 	 * Mixer controls with NULL mix_name are handled
1559 	 * by AC97 emulation code or PCM mixer.
1560 	 */
1561 	if (mix_name != NULL) {
1562 		/*
1563 		 * Temporary sysctls should start with underscore,
1564 		 * see freebsd-current mailing list, emu10kx driver
1565 		 * discussion around 2006-05-24.
1566 		 */
1567 		snprintf(sysctl_name, 32, "_%s", mix_name);
1568 		SYSCTL_ADD_PROC(sc->ctx,
1569 		    SYSCTL_CHILDREN(sc->root), OID_AUTO, sysctl_name,
1570 		    CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, mix_id,
1571 		    sysctl_emu_mixer_control, "I", "");
1572 	}
1573 
1574 	return (volgpr);
1575 }
1576 
1577 static int
1578 sysctl_emu_digitalswitch_control(SYSCTL_HANDLER_ARGS)
1579 {
1580 	struct emu_sc_info *sc;
1581 	int	new_val;
1582 	int	err;
1583 
1584 	sc = arg1;
1585 
1586 	new_val = (sc->mode == MODE_DIGITAL) ? 1 : 0;
1587 	err = sysctl_handle_int(oidp, &new_val, 0, req);
1588 
1589 	if (err || req->newptr == NULL)
1590 		return (err);
1591 	if (new_val < 0 || new_val > 1)
1592 		return (EINVAL);
1593 
1594 	switch (new_val) {
1595 		case 0:
1596 			emumix_set_mode(sc, MODE_ANALOG);
1597 			break;
1598 		case 1:
1599 			emumix_set_mode(sc, MODE_DIGITAL);
1600 			break;
1601 	}
1602 	return (0);
1603 }
1604 
1605 static void
1606 emu_digitalswitch(struct emu_sc_info *sc)
1607 {
1608 	/* XXX temporary? */
1609 	SYSCTL_ADD_PROC(sc->ctx, SYSCTL_CHILDREN(sc->root), OID_AUTO,
1610 	    "_digital", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE,
1611 	    sc, 0, sysctl_emu_digitalswitch_control, "I",
1612 	    "Enable digital output");
1613 
1614 	return;
1615 }
1616 
1617 /*
1618  * Allocate cache GPRs that will hold mixed output channels
1619  * and clear it on every DSP run.
1620  */
1621 #define	EFX_CACHE(CACHE_IDX) do {				\
1622 	sc->cache_gpr[CACHE_IDX] = emu_rm_gpr_alloc(sc->rm, 1); \
1623 	emu_addefxop(sc, ACC3, 					\
1624 		GPR(sc->cache_gpr[CACHE_IDX]), 			\
1625 		DSP_CONST(0), 					\
1626 		DSP_CONST(0), 					\
1627 		DSP_CONST(0), 					\
1628 		&pc);						\
1629 } while (0)
1630 
1631 /* Allocate GPR for volume control and route sound: OUT = OUT + IN * VOL */
1632 #define	EFX_ROUTE(TITLE, INP_NR, IN_GPR_IDX, OUT_CACHE_IDX, DEF) do { 	\
1633 	sc->mixer_gpr[IN_GPR_IDX] = emu_addefxmixer(sc, TITLE, IN_GPR_IDX,  DEF); \
1634 	sc->mixer_volcache[IN_GPR_IDX] = DEF; 			\
1635 	emu_addefxop(sc, MACS, 					\
1636 		GPR(sc->cache_gpr[OUT_CACHE_IDX]), 		\
1637 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1638 		INP_NR,						\
1639 		GPR(sc->mixer_gpr[IN_GPR_IDX]),			\
1640 		&pc);						\
1641 } while (0)
1642 
1643 /* allocate GPR, OUT = IN * VOL */
1644 #define	EFX_OUTPUT(TITLE, OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR, DEF) do {	\
1645 	sc->mixer_gpr[OUT_GPR_IDX] = emu_addefxmixer(sc, TITLE, OUT_GPR_IDX, DEF); \
1646 	sc->mixer_volcache[OUT_GPR_IDX] = DEF;			\
1647 	emu_addefxop(sc, MACS,					\
1648 		OUTP(OUTP_NR),					\
1649 		DSP_CONST(0),					\
1650 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1651 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1652 		&pc);						\
1653 } while (0)
1654 
1655 /* like EFX_OUTPUT, but don't allocate mixer gpr */
1656 #define	EFX_OUTPUTD(OUT_CACHE_IDX, OUT_GPR_IDX, OUTP_NR) do {	\
1657 	emu_addefxop(sc, MACS,					\
1658 		OUTP(OUTP_NR),					\
1659 		DSP_CONST(0),					\
1660 		GPR(sc->cache_gpr[OUT_CACHE_IDX]),		\
1661 		GPR(sc->mixer_gpr[OUT_GPR_IDX]),		\
1662 		&pc);						\
1663 } while (0)
1664 
1665 /* skip next OPCOUNT instructions if FLAG != 0 */
1666 #define EFX_SKIP(OPCOUNT, FLAG_GPR) do {			\
1667 	emu_addefxop(sc, MACS,					\
1668 		DSP_CONST(0),					\
1669 		GPR(sc->mute_gpr[FLAG_GPR]),					\
1670 		DSP_CONST(0),					\
1671 		DSP_CONST(0),					\
1672 		&pc);						\
1673 	emu_addefxop(sc, SKIP,					\
1674 		DSP_CCR,					\
1675 		DSP_CCR,					\
1676 		COND_NEQ_ZERO,					\
1677 		OPCOUNT,					\
1678 		&pc);						\
1679 } while (0)
1680 
1681 #define EFX_COPY(TO, FROM) do {					\
1682 	emu_addefxop(sc, ACC3,					\
1683 		TO,						\
1684 		DSP_CONST(0),					\
1685 		DSP_CONST(0),					\
1686 		FROM,						\
1687 		&pc);						\
1688 } while (0)
1689 
1690 static void
1691 emu_initefx(struct emu_sc_info *sc)
1692 {
1693 	unsigned int i;
1694 	uint32_t pc;
1695 
1696 	/* stop DSP */
1697 	if (sc->is_emu10k1) {
1698 		emu_wrptr(sc, 0, EMU_DBG, EMU_DBG_SINGLE_STEP);
1699 	} else {
1700 		emu_wrptr(sc, 0, EMU_A_DBG, EMU_A_DBG_SINGLE_STEP);
1701 	}
1702 
1703 	/* code size is in instructions */
1704 	pc = 0;
1705 	for (i = 0; i < sc->code_size; i++) {
1706 		if (sc->is_emu10k1) {
1707 			emu_addefxop(sc, ACC3, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0x0), &pc);
1708 		} else {
1709 			emu_addefxop(sc, SKIP, DSP_CONST(0x0), DSP_CONST(0x0), DSP_CONST(0xf), DSP_CONST(0x0), &pc);
1710 		}
1711 	}
1712 
1713 	/* allocate GPRs for mute switches (EFX_SKIP). Mute by default */
1714 	for (i = 0; i < NUM_MUTE; i++) {
1715 		sc->mute_gpr[i] = emu_rm_gpr_alloc(sc->rm, 1);
1716 		emumix_set_gpr(sc, sc->mute_gpr[i], 1);
1717 	}
1718 	emu_digitalswitch(sc);
1719 
1720 	pc = 0;
1721 
1722 	/*
1723 	 * DSP code below is not good, because:
1724 	 * 1. It can be written smaller, if it can use DSP accumulator register
1725 	 * instead of cache_gpr[].
1726 	 * 2. It can be more careful when volume is 100%, because in DSP
1727 	 * x*0x7fffffff may not be equal to x !
1728 	 */
1729 
1730 	/* clean outputs */
1731 	for (i = 0; i < 16 ; i++) {
1732 		emu_addefxop(sc, ACC3, OUTP(i), DSP_CONST(0), DSP_CONST(0), DSP_CONST(0), &pc);
1733 	}
1734 
1735 	if (sc->is_emu10k1) {
1736 		EFX_CACHE(C_FRONT_L);
1737 		EFX_CACHE(C_FRONT_R);
1738 		EFX_CACHE(C_REC_L);
1739 		EFX_CACHE(C_REC_R);
1740 
1741 		/* fx0 to front/record, 100%/muted by default */
1742 		EFX_ROUTE("pcm_front_l", FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1743 		EFX_ROUTE("pcm_front_r", FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1744 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1745 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1746 
1747 		/* in0, from AC97 codec output */
1748 		EFX_ROUTE("ac97_front_l", INP(IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 0);
1749 		EFX_ROUTE("ac97_front_r", INP(IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 0);
1750 		EFX_ROUTE("ac97_rec_l", INP(IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1751 		EFX_ROUTE("ac97_rec_r", INP(IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1752 
1753 		/* in1, from CD S/PDIF */
1754 		/* XXX EFX_SKIP 4 assumes that each EFX_ROUTE is one DSP op */
1755 		EFX_SKIP(4, CDSPDIFMUTE);
1756 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1757 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1758 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1759 		EFX_ROUTE(NULL, INP(IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1760 
1761 		if (sc->dbg_level > 0) {
1762 			/* in2, ZoomVide (???) */
1763 			EFX_ROUTE("zoom_front_l", INP(IN_ZOOM_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1764 			EFX_ROUTE("zoom_front_r", INP(IN_ZOOM_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1765 			EFX_ROUTE("zoom_rec_l", INP(IN_ZOOM_L), M_IN2_REC_L, C_REC_L, 0);
1766 			EFX_ROUTE("zoom_rec_r", INP(IN_ZOOM_R), M_IN2_REC_R, C_REC_R, 0);
1767 		}
1768 
1769 		/* in3, TOSLink  */
1770 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_FRONT_L, C_FRONT_L, 0);
1771 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_FRONT_R, C_FRONT_R, 0);
1772 		EFX_ROUTE(NULL, INP(IN_TOSLINK_L), M_IN3_REC_L, C_REC_L, 0);
1773 		EFX_ROUTE(NULL, INP(IN_TOSLINK_R), M_IN3_REC_R, C_REC_R, 0);
1774 		/* in4, LineIn  */
1775 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1776 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_FRONT_R, C_FRONT_R, 0);
1777 		EFX_ROUTE(NULL, INP(IN_LINE1_L), M_IN4_REC_L, C_REC_L, 0);
1778 		EFX_ROUTE(NULL, INP(IN_LINE1_R), M_IN4_REC_R, C_REC_R, 0);
1779 
1780 		/* in5, on-card S/PDIF */
1781 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
1782 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
1783 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
1784 		EFX_ROUTE(NULL, INP(IN_COAX_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
1785 
1786 		/* in6, Line2 on Live!Drive */
1787 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
1788 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
1789 		EFX_ROUTE(NULL, INP(IN_LINE2_L), M_IN6_REC_L, C_REC_L, 0);
1790 		EFX_ROUTE(NULL, INP(IN_LINE2_R), M_IN6_REC_R, C_REC_R, 0);
1791 
1792 		if (sc->dbg_level > 0) {
1793 			/* in7, unknown */
1794 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
1795 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
1796 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
1797 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
1798 		}
1799 
1800 		/* analog and digital */
1801 		EFX_OUTPUT("master_front_l", C_FRONT_L, M_MASTER_FRONT_L, OUT_AC97_L, 100);
1802 		EFX_OUTPUT("master_front_r", C_FRONT_R, M_MASTER_FRONT_R, OUT_AC97_R, 100);
1803 		/* S/PDIF */
1804 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_TOSLINK_L);
1805 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_TOSLINK_R);
1806 		/* Headphones */
1807 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, OUT_HEADPHONE_L);
1808 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, OUT_HEADPHONE_R);
1809 
1810 		/* rec output to "ADC" */
1811 		EFX_OUTPUT("master_rec_l", C_REC_L, M_MASTER_REC_L, OUT_ADC_REC_L, 100);
1812 		EFX_OUTPUT("master_rec_r", C_REC_R, M_MASTER_REC_R, OUT_ADC_REC_R, 100);
1813 
1814 		if (!(sc->mch_disabled)) {
1815 			/*
1816 			 * Additional channel volume is controlled by mixer in
1817 			 * emu_dspmixer_set() in -pcm.c
1818 			 */
1819 
1820 			/* fx2/3 (pcm1) to rear */
1821 			EFX_CACHE(C_REAR_L);
1822 			EFX_CACHE(C_REAR_R);
1823 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
1824 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
1825 
1826 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, OUT_REAR_L, 100);
1827 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, OUT_REAR_R, 100);
1828 			if (sc->has_51) {
1829 				/* fx4 (pcm2) to center */
1830 				EFX_CACHE(C_CENTER);
1831 				EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
1832 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1833 
1834 				/* XXX in digital mode (default) this should be muted because
1835 				this output is shared with digital out */
1836 				EFX_SKIP(1, ANALOGMUTE);
1837 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1838 
1839 				/* fx5 (pcm3) to sub */
1840 				EFX_CACHE(C_SUB);
1841 				EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
1842 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1843 
1844 				/* XXX in digital mode (default) this should be muted because
1845 				this output is shared with digital out */
1846 				EFX_SKIP(1, ANALOGMUTE);
1847 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1848 			}
1849 		} else {
1850 			/* SND_EMU10KX_MULTICHANNEL_DISABLED */
1851 			EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_REAR_L, OUT_REAR_L, 57); /* 75%*75% */
1852 			EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_REAR_R, OUT_REAR_R, 57); /* 75%*75% */
1853 
1854 #if 0
1855 			/* XXX 5.1 does not work */
1856 
1857 			if (sc->has_51) {
1858 				/* (fx0+fx1)/2 to center */
1859 				EFX_CACHE(C_CENTER);
1860 				emu_addefxop(sc, MACS,
1861 					GPR(sc->cache_gpr[C_CENTER]),
1862 					GPR(sc->cache_gpr[C_CENTER]),
1863 					DSP_CONST(0xd), /* = 1/2 */
1864 					GPR(sc->cache_gpr[C_FRONT_L]),
1865 					&pc);
1866 				emu_addefxop(sc, MACS,
1867 					GPR(sc->cache_gpr[C_CENTER]),
1868 					GPR(sc->cache_gpr[C_CENTER]),
1869 					DSP_CONST(0xd), /* = 1/2 */
1870 					GPR(sc->cache_gpr[C_FRONT_R]),
1871 					&pc);
1872 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, OUT_D_CENTER, 100);
1873 
1874 				/* XXX in digital mode (default) this should be muted because
1875 				this output is shared with digital out */
1876 				EFX_SKIP(1, ANALOGMUTE);
1877 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, OUT_A_CENTER);
1878 
1879 				/* (fx0+fx1)/2  to sub */
1880 				EFX_CACHE(C_SUB);
1881 				emu_addefxop(sc, MACS,
1882 					GPR(sc->cache_gpr[C_CENTER]),
1883 					GPR(sc->cache_gpr[C_CENTER]),
1884 					DSP_CONST(0xd), /* = 1/2 */
1885 					GPR(sc->cache_gpr[C_FRONT_L]),
1886 					&pc);
1887 				emu_addefxop(sc, MACS,
1888 					GPR(sc->cache_gpr[C_CENTER]),
1889 					GPR(sc->cache_gpr[C_CENTER]),
1890 					DSP_CONST(0xd), /* = 1/2 */
1891 					GPR(sc->cache_gpr[C_FRONT_R]),
1892 					&pc);
1893 				/* XXX add lowpass filter here */
1894 
1895 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, OUT_D_SUB, 100);
1896 
1897 				/* XXX in digital mode (default) this should be muted because
1898 				this output is shared with digital out */
1899 				EFX_SKIP(1, ANALOGMUTE);
1900 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, OUT_A_SUB);
1901 			}
1902 #endif
1903 		} /* !mch_disabled */
1904 		if (sc->mch_rec) {
1905 			/*
1906 			 * MCH RECORDING , hight 16 slots. On 5.1 cards first 4 slots
1907 			 * are used as outputs and already filled with data
1908 			 */
1909 			/*
1910 			 * XXX On Live! cards stream does not begin at zero offset.
1911 			 * It can be HW, driver or sound buffering problem.
1912 			 * Use sync substream (offset 0x3E) to let userland find
1913 			 * correct data.
1914 			 */
1915 
1916 			/*
1917 			 * Substream map (in byte offsets, each substream is 2 bytes):
1918 			 *	0x00..0x1E - outputs
1919 			 *	0x20..0x3E - FX, inputs and sync stream
1920 			 */
1921 
1922 			/* First 2 channels (offset 0x20,0x22) are empty */
1923 			for(i = (sc->has_51 ? 2 : 0); i < 2; i++)
1924 				EFX_COPY(FX2(i), DSP_CONST(0));
1925 
1926 			/* PCM Playback monitoring, offset 0x24..0x2A */
1927 			for(i = 0; i < 4; i++)
1928 				EFX_COPY(FX2(i+2), FX(i));
1929 
1930 			/* Copy of some inputs, offset 0x2C..0x3C */
1931 			for(i = 0; i < 9; i++)
1932 				EFX_COPY(FX2(i+8), INP(i));
1933 
1934 			/* sync data (0xc0de, offset 0x3E) */
1935 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
1936 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
1937 
1938 			EFX_COPY(FX2(15), GPR(sc->dummy_gpr));
1939 		} /* mch_rec */
1940 	} else /* emu10k2 and later */ {
1941 		EFX_CACHE(C_FRONT_L);
1942 		EFX_CACHE(C_FRONT_R);
1943 		EFX_CACHE(C_REC_L);
1944 		EFX_CACHE(C_REC_R);
1945 
1946 		/* fx0 to front/record, 100%/muted by default */
1947 		/*
1948 		 * FRONT_[L|R] is controlled by AC97 emulation in
1949 		 * emu_ac97_[read|write]_emulation in -pcm.c
1950 		 */
1951 		EFX_ROUTE(NULL, FX(0), M_FX0_FRONT_L, C_FRONT_L, 100);
1952 		EFX_ROUTE(NULL, FX(1), M_FX1_FRONT_R, C_FRONT_R, 100);
1953 		EFX_ROUTE(NULL, FX(0), M_FX0_REC_L, C_REC_L, 0);
1954 		EFX_ROUTE(NULL, FX(1), M_FX1_REC_R, C_REC_R, 0);
1955 
1956 		/* in0, from AC97 codec output */
1957 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_FRONT_L, C_FRONT_L, 100);
1958 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_FRONT_R, C_FRONT_R, 100);
1959 		EFX_ROUTE(NULL, INP(A_IN_AC97_L), M_IN0_REC_L, C_REC_L, 0);
1960 		EFX_ROUTE(NULL, INP(A_IN_AC97_R), M_IN0_REC_R, C_REC_R, 0);
1961 
1962 		/* in1, from CD S/PDIF */
1963 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_FRONT_L, C_FRONT_L, 0);
1964 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_FRONT_R, C_FRONT_R, 0);
1965 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_L), M_IN1_REC_L, C_REC_L, 0);
1966 		EFX_ROUTE(NULL, INP(A_IN_SPDIF_CD_R), M_IN1_REC_R, C_REC_R, 0);
1967 
1968 		/* in2, optical & coax S/PDIF on AudigyDrive*/
1969 		/* XXX Should be muted when GPRSCS valid stream == 0 */
1970 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_FRONT_L, C_FRONT_L, 0);
1971 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_FRONT_R, C_FRONT_R, 0);
1972 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_L), M_IN2_REC_L, C_REC_L, 0);
1973 		EFX_ROUTE(NULL, INP(A_IN_O_SPDIF_R), M_IN2_REC_R, C_REC_R, 0);
1974 
1975 		if (sc->dbg_level > 0) {
1976 			/* in3, unknown */
1977 			EFX_ROUTE("in3_front_l", INP(0x6), M_IN3_FRONT_L, C_FRONT_L, 0);
1978 			EFX_ROUTE("in3_front_r", INP(0x7), M_IN3_FRONT_R, C_FRONT_R, 0);
1979 			EFX_ROUTE("in3_rec_l", INP(0x6), M_IN3_REC_L, C_REC_L, 0);
1980 			EFX_ROUTE("in3_rec_r", INP(0x7), M_IN3_REC_R, C_REC_R, 0);
1981 		}
1982 
1983 		/* in4, LineIn 2 on AudigyDrive */
1984 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_FRONT_L, C_FRONT_L, 0);
1985 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_FRONT_R, C_FRONT_R, 0);
1986 		EFX_ROUTE(NULL, INP(A_IN_LINE2_L), M_IN4_REC_L, C_REC_L, 0);
1987 		EFX_ROUTE(NULL, INP(A_IN_LINE2_R), M_IN4_REC_R, C_REC_R, 0);
1988 
1989 		/* in5, on-card S/PDIF */
1990 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_FRONT_L, C_FRONT_L, 0);
1991 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_FRONT_R, C_FRONT_R, 0);
1992 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_L), M_IN5_REC_L, C_REC_L, 0);
1993 		EFX_ROUTE(NULL, INP(A_IN_R_SPDIF_R), M_IN5_REC_R, C_REC_R, 0);
1994 
1995 		/* in6, AUX2 on AudigyDrive */
1996 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_FRONT_L, C_FRONT_L, 0);
1997 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_FRONT_R, C_FRONT_R, 0);
1998 		EFX_ROUTE(NULL, INP(A_IN_AUX2_L), M_IN6_REC_L, C_REC_L, 0);
1999 		EFX_ROUTE(NULL, INP(A_IN_AUX2_R), M_IN6_REC_R, C_REC_R, 0);
2000 
2001 		if (sc->dbg_level > 0) {
2002 			/* in7, unknown */
2003 			EFX_ROUTE("in7_front_l", INP(0xE), M_IN7_FRONT_L, C_FRONT_L, 0);
2004 			EFX_ROUTE("in7_front_r", INP(0xF), M_IN7_FRONT_R, C_FRONT_R, 0);
2005 			EFX_ROUTE("in7_rec_l", INP(0xE), M_IN7_REC_L, C_REC_L, 0);
2006 			EFX_ROUTE("in7_rec_r", INP(0xF), M_IN7_REC_R, C_REC_R, 0);
2007 		}
2008 
2009 		/* front output to headphones and  alog and digital *front */
2010 		/* volume controlled by AC97 emulation */
2011 		EFX_OUTPUT(NULL, C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_FRONT_L, 100);
2012 		EFX_OUTPUT(NULL, C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_FRONT_R, 100);
2013 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_FRONT_L);
2014 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_FRONT_R);
2015 		EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_HPHONE_L);
2016 		EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_HPHONE_R);
2017 
2018 		/* rec output to "ADC" */
2019 		/* volume controlled by AC97 emulation */
2020 		EFX_OUTPUT(NULL, C_REC_L, M_MASTER_REC_L, A_OUT_ADC_REC_L, 100);
2021 		EFX_OUTPUT(NULL, C_REC_R, M_MASTER_REC_R, A_OUT_ADC_REC_R, 100);
2022 
2023 		if (!(sc->mch_disabled)) {
2024 			/*
2025 			 * Additional channel volume is controlled by mixer in
2026 			 * emu_dspmixer_set() in -pcm.c
2027 			 */
2028 
2029 			/* fx2/3 (pcm1) to rear */
2030 			EFX_CACHE(C_REAR_L);
2031 			EFX_CACHE(C_REAR_R);
2032 			EFX_ROUTE(NULL, FX(2), M_FX2_REAR_L, C_REAR_L, 100);
2033 			EFX_ROUTE(NULL, FX(3), M_FX3_REAR_R, C_REAR_R, 100);
2034 
2035 			EFX_OUTPUT(NULL, C_REAR_L, M_MASTER_REAR_L, A_OUT_A_REAR_L, 100);
2036 			EFX_OUTPUT(NULL, C_REAR_R, M_MASTER_REAR_R, A_OUT_A_REAR_R, 100);
2037 			EFX_OUTPUTD(C_REAR_L, M_MASTER_REAR_L, A_OUT_D_REAR_L);
2038 			EFX_OUTPUTD(C_REAR_R, M_MASTER_REAR_R, A_OUT_D_REAR_R);
2039 
2040 			/* fx4 (pcm2) to center */
2041 			EFX_CACHE(C_CENTER);
2042 			EFX_ROUTE(NULL, FX(4), M_FX4_CENTER, C_CENTER, 100);
2043 			EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2044 #if 0
2045 			/*
2046 			 * XXX in digital mode (default) this should be muted
2047 			 * because this output is shared with digital out
2048 			 */
2049 			EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2050 #endif
2051 			/* fx5 (pcm3) to sub */
2052 			EFX_CACHE(C_SUB);
2053 			EFX_ROUTE(NULL, FX(5), M_FX5_SUBWOOFER, C_SUB, 100);
2054 			EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2055 #if 0
2056 			/*
2057 			 * XXX in digital mode (default) this should be muted
2058 			 * because this output is shared with digital out
2059 			 */
2060 			EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2061 #endif
2062 			if (sc->has_71) {
2063 				/* XXX this will broke headphones on AudigyDrive */
2064 				/* fx6/7 (pcm4) to side */
2065 				EFX_CACHE(C_SIDE_L);
2066 				EFX_CACHE(C_SIDE_R);
2067 				EFX_ROUTE(NULL, FX(6), M_FX6_SIDE_L, C_SIDE_L, 100);
2068 				EFX_ROUTE(NULL, FX(7), M_FX7_SIDE_R, C_SIDE_R, 100);
2069 				EFX_OUTPUT(NULL, C_SIDE_L, M_MASTER_SIDE_L, A_OUT_A_SIDE_L, 100);
2070 				EFX_OUTPUT(NULL, C_SIDE_R, M_MASTER_SIDE_R, A_OUT_A_SIDE_R, 100);
2071 				EFX_OUTPUTD(C_SIDE_L, M_MASTER_SIDE_L, A_OUT_D_SIDE_L);
2072 				EFX_OUTPUTD(C_SIDE_R, M_MASTER_SIDE_R, A_OUT_D_SIDE_R);
2073 			}
2074 		} else {	/* mch_disabled */
2075 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_A_REAR_L);
2076 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_A_REAR_R);
2077 
2078 			EFX_OUTPUTD(C_FRONT_L, M_MASTER_FRONT_L, A_OUT_D_REAR_L);
2079 			EFX_OUTPUTD(C_FRONT_R, M_MASTER_FRONT_R, A_OUT_D_REAR_R);
2080 
2081 			if (sc->has_51) {
2082 				/* (fx0+fx1)/2 to center */
2083 				EFX_CACHE(C_CENTER);
2084 				emu_addefxop(sc, MACS,
2085 					GPR(sc->cache_gpr[C_CENTER]),
2086 					GPR(sc->cache_gpr[C_CENTER]),
2087 					DSP_CONST(0xd), /* = 1/2 */
2088 					GPR(sc->cache_gpr[C_FRONT_L]),
2089 					&pc);
2090 				emu_addefxop(sc, MACS,
2091 					GPR(sc->cache_gpr[C_CENTER]),
2092 					GPR(sc->cache_gpr[C_CENTER]),
2093 					DSP_CONST(0xd), /* = 1/2 */
2094 					GPR(sc->cache_gpr[C_FRONT_R]),
2095 					&pc);
2096 				EFX_OUTPUT(NULL, C_CENTER, M_MASTER_CENTER, A_OUT_D_CENTER, 100);
2097 
2098 				/* XXX in digital mode (default) this should be muted because
2099 				this output is shared with digital out */
2100 				EFX_SKIP(1, ANALOGMUTE);
2101 				EFX_OUTPUTD(C_CENTER, M_MASTER_CENTER, A_OUT_A_CENTER);
2102 
2103 				/* (fx0+fx1)/2  to sub */
2104 				EFX_CACHE(C_SUB);
2105 				emu_addefxop(sc, MACS,
2106 					GPR(sc->cache_gpr[C_SUB]),
2107 					GPR(sc->cache_gpr[C_SUB]),
2108 					DSP_CONST(0xd), /* = 1/2 */
2109 					GPR(sc->cache_gpr[C_FRONT_L]),
2110 					&pc);
2111 				emu_addefxop(sc, MACS,
2112 					GPR(sc->cache_gpr[C_SUB]),
2113 					GPR(sc->cache_gpr[C_SUB]),
2114 					DSP_CONST(0xd), /* = 1/2 */
2115 					GPR(sc->cache_gpr[C_FRONT_R]),
2116 					&pc);
2117 				/* XXX add lowpass filter here */
2118 
2119 				EFX_OUTPUT(NULL, C_SUB, M_MASTER_SUBWOOFER, A_OUT_D_SUB, 100);
2120 
2121 				/* XXX in digital mode (default) this should be muted because
2122 				this output is shared with digital out */
2123 				EFX_SKIP(1, ANALOGMUTE);
2124 				EFX_OUTPUTD(C_SUB, M_MASTER_SUBWOOFER, A_OUT_A_SUB);
2125 			}
2126 		} /* mch_disabled */
2127 		if (sc->mch_rec) {
2128 			/* MCH RECORDING, high 32 slots */
2129 
2130 			/*
2131 			 * Stream map (in byte offsets):
2132 			 *	0x00..0x3E - outputs
2133 			 *	0x40..0x7E - FX, inputs
2134 			 *	each substream is 2 bytes.
2135 			 */
2136 			/*
2137 			 * XXX Audigy 2 Value cards (and, possibly,
2138 			 * Audigy 4) write some unknown data in place of
2139 			 * some outputs (offsets 0x20..0x3F) and one
2140 			 * input (offset 0x7E).
2141 			 */
2142 
2143 			/* PCM Playback monitoring, offsets 0x40..0x5E */
2144 			for(i = 0; i < 16; i++)
2145 				EFX_COPY(FX2(i), FX(i));
2146 
2147 			/* Copy of all inputs, offsets 0x60..0x7E */
2148 			for(i = 0; i < 16; i++)
2149 				EFX_COPY(FX2(i+16), INP(i));
2150 #if 0
2151 			/* XXX Audigy seems to work correct and does not need this */
2152 			/* sync data (0xc0de), offset 0x7E */
2153 			sc->dummy_gpr = emu_rm_gpr_alloc(sc->rm, 1);
2154 			emumix_set_gpr(sc, sc->dummy_gpr, 0xc0de0000);
2155 			EFX_COPY(FX2(31), GPR(sc->dummy_gpr));
2156 #endif
2157 		} /* mch_rec */
2158 	}
2159 
2160 	sc->routing_code_end = pc;
2161 
2162 	/* start DSP */
2163 	if (sc->is_emu10k1) {
2164 		emu_wrptr(sc, 0, EMU_DBG, 0);
2165 	} else {
2166 		emu_wrptr(sc, 0, EMU_A_DBG, 0);
2167 	}
2168 }
2169 
2170 /* /dev/em10kx */
2171 static d_open_t		emu10kx_open;
2172 static d_close_t	emu10kx_close;
2173 static d_read_t		emu10kx_read;
2174 
2175 static struct cdevsw emu10kx_cdevsw = {
2176 	.d_open = 	emu10kx_open,
2177 	.d_close =	emu10kx_close,
2178 	.d_read = 	emu10kx_read,
2179 	.d_name = 	"emu10kx",
2180 	.d_version = 	D_VERSION,
2181 };
2182 
2183 static int
2184 emu10kx_open(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2185 {
2186 	int error;
2187 	struct emu_sc_info *sc;
2188 
2189 	sc = i_dev->si_drv1;
2190 	mtx_lock(&sc->emu10kx_lock);
2191 	if (sc->emu10kx_isopen) {
2192 		mtx_unlock(&sc->emu10kx_lock);
2193 		return (EBUSY);
2194 	}
2195 	sc->emu10kx_isopen = 1;
2196 	mtx_unlock(&sc->emu10kx_lock);
2197 	if (sbuf_new(&sc->emu10kx_sbuf, NULL, 4096, 0) == NULL) {
2198 		error = ENXIO;
2199 		goto out;
2200 	}
2201 	sc->emu10kx_bufptr = 0;
2202 	error = (emu10kx_prepare(sc, &sc->emu10kx_sbuf) > 0) ? 0 : ENOMEM;
2203 out:
2204 	if (error) {
2205 		mtx_lock(&sc->emu10kx_lock);
2206 		sc->emu10kx_isopen = 0;
2207 		mtx_unlock(&sc->emu10kx_lock);
2208 	}
2209 	return (error);
2210 }
2211 
2212 static int
2213 emu10kx_close(struct cdev *i_dev, int flags __unused, int mode __unused, struct thread *td __unused)
2214 {
2215 	struct emu_sc_info *sc;
2216 
2217 	sc = i_dev->si_drv1;
2218 
2219 	mtx_lock(&sc->emu10kx_lock);
2220 	if (!(sc->emu10kx_isopen)) {
2221 		mtx_unlock(&sc->emu10kx_lock);
2222 		return (EBADF);
2223 	}
2224 	sbuf_delete(&sc->emu10kx_sbuf);
2225 	sc->emu10kx_isopen = 0;
2226 	mtx_unlock(&sc->emu10kx_lock);
2227 
2228 	return (0);
2229 }
2230 
2231 static int
2232 emu10kx_read(struct cdev *i_dev, struct uio *buf, int flag __unused)
2233 {
2234 	int l, err;
2235 	struct emu_sc_info *sc;
2236 
2237 	sc = i_dev->si_drv1;
2238 	mtx_lock(&sc->emu10kx_lock);
2239 	if (!(sc->emu10kx_isopen)) {
2240 		mtx_unlock(&sc->emu10kx_lock);
2241 		return (EBADF);
2242 	}
2243 	mtx_unlock(&sc->emu10kx_lock);
2244 
2245 	l = min(buf->uio_resid, sbuf_len(&sc->emu10kx_sbuf) - sc->emu10kx_bufptr);
2246 	err = (l > 0) ? uiomove(sbuf_data(&sc->emu10kx_sbuf) + sc->emu10kx_bufptr, l, buf) : 0;
2247 	sc->emu10kx_bufptr += l;
2248 
2249 	return (err);
2250 }
2251 
2252 static int
2253 emu10kx_prepare(struct emu_sc_info *sc, struct sbuf *s)
2254 {
2255 	int i;
2256 
2257 	sbuf_printf(s, "FreeBSD EMU10Kx Audio Driver\n");
2258 	sbuf_printf(s, "\nHardware resource usage:\n");
2259 	sbuf_printf(s, "DSP General Purpose Registers: %d used, %d total\n", sc->rm->num_used, sc->rm->num_gprs);
2260 	sbuf_printf(s, "DSP Instruction Registers: %d used, %d total\n", sc->routing_code_end, sc->code_size);
2261 	sbuf_printf(s, "Card supports");
2262 	if (sc->has_ac97) {
2263 		sbuf_printf(s, " AC97 codec");
2264 	} else {
2265 		sbuf_printf(s, " NO AC97 codec");
2266 	}
2267 	if (sc->has_51) {
2268 		if (sc->has_71)
2269 			sbuf_printf(s, " and 7.1 output");
2270 		else
2271 			sbuf_printf(s, " and 5.1 output");
2272 	}
2273 	if (sc->is_emu10k1)
2274 		sbuf_printf(s, ", SBLive! DSP code");
2275 	if (sc->is_emu10k2)
2276 		sbuf_printf(s, ", Audigy DSP code");
2277 	if (sc->is_ca0102)
2278 		sbuf_printf(s, ", Audigy DSP code with Audigy2 hacks");
2279 	if (sc->is_ca0108)
2280 		sbuf_printf(s, ", Audigy DSP code with Audigy2Value hacks");
2281 	sbuf_printf(s, "\n");
2282 	if (sc->broken_digital)
2283 		sbuf_printf(s, "Digital mode unsupported\n");
2284 	sbuf_printf(s, "\nInstalled devices:\n");
2285 	for (i = 0; i < RT_COUNT; i++)
2286 		if (sc->pcm[i] != NULL)
2287 			if (device_is_attached(sc->pcm[i])) {
2288 				sbuf_printf(s, "%s on %s\n", device_get_desc(sc->pcm[i]), device_get_nameunit(sc->pcm[i]));
2289 			}
2290 	if (sc->midi[0] != NULL)
2291 		if (device_is_attached(sc->midi[0])) {
2292 			sbuf_printf(s, "EMU10Kx MIDI Interface\n");
2293 			sbuf_printf(s, "\tOn-card connector on %s\n", device_get_nameunit(sc->midi[0]));
2294 		}
2295 	if (sc->midi[1] != NULL)
2296 		if (device_is_attached(sc->midi[1])) {
2297 			sbuf_printf(s, "\tOn-Drive connector on %s\n", device_get_nameunit(sc->midi[1]));
2298 		}
2299 	if (sc->midi[0] != NULL)
2300 		if (device_is_attached(sc->midi[0])) {
2301 			sbuf_printf(s, "\tIR receiver MIDI events %s\n", sc->enable_ir ? "enabled" : "disabled");
2302 		}
2303 	sbuf_printf(s, "Card is in %s mode\n", (sc->mode == MODE_ANALOG) ? "analog" : "digital");
2304 
2305 	sbuf_finish(s);
2306 	return (sbuf_len(s));
2307 }
2308 
2309 /* INIT & UNINIT */
2310 static int
2311 emu10kx_dev_init(struct emu_sc_info *sc)
2312 {
2313 	int unit;
2314 
2315 	mtx_init(&sc->emu10kx_lock, device_get_nameunit(sc->dev), "kxdevlock", 0);
2316 	unit = device_get_unit(sc->dev);
2317 
2318 	sc->cdev = make_dev(&emu10kx_cdevsw, PCMMINOR(unit), UID_ROOT, GID_WHEEL, 0640, "emu10kx%d", unit);
2319 	if (sc->cdev != NULL) {
2320 		sc->cdev->si_drv1 = sc;
2321 		return (0);
2322 	}
2323 	return (ENXIO);
2324 }
2325 
2326 static int
2327 emu10kx_dev_uninit(struct emu_sc_info *sc)
2328 {
2329 	mtx_lock(&sc->emu10kx_lock);
2330 	if (sc->emu10kx_isopen) {
2331 		mtx_unlock(&sc->emu10kx_lock);
2332 		return (EBUSY);
2333 	}
2334 	if (sc->cdev)
2335 		destroy_dev(sc->cdev);
2336 	sc->cdev = NULL;
2337 
2338 	mtx_destroy(&sc->emu10kx_lock);
2339 	return (0);
2340 }
2341 
2342 /* resource manager */
2343 int
2344 emu_rm_init(struct emu_sc_info *sc)
2345 {
2346 	int i;
2347 	int maxcount;
2348 	struct emu_rm *rm;
2349 
2350 	rm = malloc(sizeof(struct emu_rm), M_DEVBUF, M_NOWAIT | M_ZERO);
2351 	if (rm == NULL) {
2352 		return (ENOMEM);
2353 	}
2354 	sc->rm = rm;
2355 	rm->card = sc;
2356 	maxcount = sc->num_gprs;
2357 	rm->num_used = 0;
2358 	mtx_init(&(rm->gpr_lock), device_get_nameunit(sc->dev), "gpr alloc", MTX_DEF);
2359 	rm->num_gprs = (maxcount < EMU_MAX_GPR ? maxcount : EMU_MAX_GPR);
2360 	for (i = 0; i < rm->num_gprs; i++)
2361 		rm->allocmap[i] = 0;
2362 	/* pre-allocate gpr[0] */
2363 	rm->allocmap[0] = 1;
2364 	rm->last_free_gpr = 1;
2365 
2366 	return (0);
2367 }
2368 
2369 int
2370 emu_rm_uninit(struct emu_sc_info *sc)
2371 {
2372 	int i;
2373 
2374 	if (sc->dbg_level > 1) {
2375 		mtx_lock(&(sc->rm->gpr_lock));
2376 		for (i = 1; i < sc->rm->last_free_gpr; i++)
2377 			if (sc->rm->allocmap[i] > 0)
2378 				device_printf(sc->dev, "rm: gpr %d not free before uninit\n", i);
2379 		mtx_unlock(&(sc->rm->gpr_lock));
2380 	}
2381 
2382 	mtx_destroy(&(sc->rm->gpr_lock));
2383 	free(sc->rm, M_DEVBUF);
2384 	return (0);
2385 }
2386 
2387 static int
2388 emu_rm_gpr_alloc(struct emu_rm *rm, int count)
2389 {
2390 	int i, j;
2391 	int allocated_gpr;
2392 
2393 	allocated_gpr = rm->num_gprs;
2394 	/* try fast way first */
2395 	mtx_lock(&(rm->gpr_lock));
2396 	if (rm->last_free_gpr + count <= rm->num_gprs) {
2397 		allocated_gpr = rm->last_free_gpr;
2398 		rm->last_free_gpr += count;
2399 		rm->allocmap[allocated_gpr] = count;
2400 		for (i = 1; i < count; i++)
2401 			rm->allocmap[allocated_gpr + i] = -(count - i);
2402 	} else {
2403 		/* longer */
2404 		i = 0;
2405 		allocated_gpr = rm->num_gprs;
2406 		while (i < rm->last_free_gpr - count) {
2407 			if (rm->allocmap[i] > 0) {
2408 				i += rm->allocmap[i];
2409 			} else {
2410 				allocated_gpr = i;
2411 				for (j = 1; j < count; j++) {
2412 					if (rm->allocmap[i + j] != 0)
2413 						allocated_gpr = rm->num_gprs;
2414 				}
2415 				if (allocated_gpr == i)
2416 					break;
2417 			}
2418 		}
2419 		if (allocated_gpr + count < rm->last_free_gpr) {
2420 			rm->allocmap[allocated_gpr] = count;
2421 			for (i = 1; i < count; i++)
2422 				rm->allocmap[allocated_gpr + i] = -(count - i);
2423 		}
2424 	}
2425 	if (allocated_gpr == rm->num_gprs)
2426 		allocated_gpr = (-1);
2427 	if (allocated_gpr >= 0)
2428 		rm->num_used += count;
2429 	mtx_unlock(&(rm->gpr_lock));
2430 	return (allocated_gpr);
2431 }
2432 
2433 /* mixer */
2434 void
2435 emumix_set_mode(struct emu_sc_info *sc, int mode)
2436 {
2437 	uint32_t a_iocfg;
2438 	uint32_t hcfg;
2439 	uint32_t tmp;
2440 
2441 	switch (mode) {
2442 	case MODE_DIGITAL:
2443 		/* FALLTHROUGH */
2444 	case MODE_ANALOG:
2445 		break;
2446 	default:
2447 		return;
2448 	}
2449 
2450 	hcfg = EMU_HCFG_AUDIOENABLE | EMU_HCFG_AUTOMUTE;
2451 	a_iocfg = 0;
2452 
2453 	if (sc->rev >= 6)
2454 		hcfg |= EMU_HCFG_JOYENABLE;
2455 
2456 	if (sc->is_emu10k1)
2457 		hcfg |= EMU_HCFG_LOCKTANKCACHE_MASK;
2458 	else
2459 		hcfg |= EMU_HCFG_CODECFMT_I2S | EMU_HCFG_JOYENABLE;
2460 
2461 	if (mode == MODE_DIGITAL) {
2462 		if (sc->broken_digital) {
2463 			device_printf(sc->dev, "Digital mode is reported as broken on this card.\n");
2464 		}
2465 		a_iocfg |= EMU_A_IOCFG_GPOUT1;
2466 		hcfg |= EMU_HCFG_GPOUT0;
2467 	}
2468 
2469 	if (mode == MODE_ANALOG)
2470 		emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2471 
2472 	if (sc->is_emu10k2)
2473 		a_iocfg |= 0x80; /* XXX */
2474 
2475 	if ((sc->is_ca0102) || (sc->is_ca0108))
2476 		/*
2477 		 * Setting EMU_A_IOCFG_DISABLE_ANALOG will do opposite things
2478 		 * on diffrerent cards.
2479 		 * "don't disable analog outs" on Audigy 2 (ca0102/ca0108)
2480 		 * "disable analog outs" on Audigy (emu10k2)
2481 		 */
2482 		a_iocfg |= EMU_A_IOCFG_DISABLE_ANALOG;
2483 
2484 	if (sc->is_ca0108)
2485 		a_iocfg |= 0x20; /* XXX */
2486 
2487 	/* Mute analog center & subwoofer before mode change */
2488 	if (mode == MODE_DIGITAL)
2489 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 1);
2490 
2491 	emu_wr(sc, EMU_HCFG, hcfg, 4);
2492 
2493 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2494 		tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2495 		tmp = a_iocfg;
2496 		emu_wr(sc, EMU_A_IOCFG, tmp, 2);
2497 	}
2498 
2499 	/* Unmute if we have changed mode to analog. */
2500 
2501 	if (mode == MODE_ANALOG)
2502 		emumix_set_gpr(sc, sc->mute_gpr[ANALOGMUTE], 0);
2503 
2504 	sc->mode = mode;
2505 }
2506 
2507 void
2508 emumix_set_spdif_mode(struct emu_sc_info *sc, int mode)
2509 {
2510 	uint32_t spcs;
2511 
2512 	switch (mode) {
2513 	case SPDIF_MODE_PCM:
2514 		break;
2515 	case SPDIF_MODE_AC3:
2516 		device_printf(sc->dev, "AC3 mode does not work and disabled\n");
2517 		return;
2518 	default:
2519 		return;
2520 	}
2521 
2522 	spcs = EMU_SPCS_CLKACCY_1000PPM | EMU_SPCS_SAMPLERATE_48 |
2523 	    EMU_SPCS_CHANNELNUM_LEFT | EMU_SPCS_SOURCENUM_UNSPEC |
2524 	    EMU_SPCS_GENERATIONSTATUS | 0x00001200 | 0x00000000 |
2525 	    EMU_SPCS_EMPHASIS_NONE | EMU_SPCS_COPYRIGHT;
2526 
2527 	mode = SPDIF_MODE_PCM;
2528 
2529 	emu_wrptr(sc, 0, EMU_SPCS0, spcs);
2530 	emu_wrptr(sc, 0, EMU_SPCS1, spcs);
2531 	emu_wrptr(sc, 0, EMU_SPCS2, spcs);
2532 }
2533 
2534 #define	L2L_POINTS	10
2535 
2536 static int l2l_df[L2L_POINTS] = {
2537 	0x572C5CA,		/* 100..90 */
2538 	0x3211625,		/* 90..80 */
2539 	0x1CC1A76,		/* 80..70 */
2540 	0x108428F,		/* 70..60 */
2541 	0x097C70A,		/* 60..50 */
2542 	0x0572C5C,		/* 50..40 */
2543 	0x0321162,		/* 40..30 */
2544 	0x01CC1A7,		/* 30..20 */
2545 	0x0108428,		/* 20..10 */
2546 	0x016493D		/* 10..0 */
2547 };
2548 
2549 static int l2l_f[L2L_POINTS] = {
2550 	0x4984461A,		/* 90 */
2551 	0x2A3968A7,		/* 80 */
2552 	0x18406003,		/* 70 */
2553 	0x0DEDC66D,		/* 60 */
2554 	0x07FFFFFF,		/* 50 */
2555 	0x04984461,		/* 40 */
2556 	0x02A3968A,		/* 30 */
2557 	0x01840600,		/* 20 */
2558 	0x00DEDC66,		/* 10 */
2559 	0x00000000		/* 0 */
2560 };
2561 
2562 static int
2563 log2lin(int log_t)
2564 {
2565 	int lin_t;
2566 	int idx, lin;
2567 
2568 	if (log_t <= 0) {
2569 		lin_t = 0x00000000;
2570 		return (lin_t);
2571 	}
2572 
2573 	if (log_t >= 100) {
2574 		lin_t = 0x7fffffff;
2575 		return (lin_t);
2576 	}
2577 
2578 	idx = (L2L_POINTS - 1) - log_t / (L2L_POINTS);
2579 	lin = log_t % (L2L_POINTS);
2580 	lin_t = l2l_df[idx] * lin + l2l_f[idx];
2581 	return (lin_t);
2582 }
2583 
2584 void
2585 emumix_set_fxvol(struct emu_sc_info *sc, unsigned gpr, int32_t vol)
2586 {
2587 
2588 	vol = log2lin(vol);
2589 	emumix_set_gpr(sc, gpr, vol);
2590 }
2591 
2592 void
2593 emumix_set_gpr(struct emu_sc_info *sc, unsigned gpr, int32_t val)
2594 {
2595 	if (sc->dbg_level > 1)
2596 		if (gpr == 0) {
2597 			device_printf(sc->dev, "Zero gpr write access\n");
2598 #ifdef KDB
2599 			kdb_backtrace();
2600 #endif
2601 			return;
2602 			}
2603 
2604 	emu_wrptr(sc, 0, GPR(gpr), val);
2605 }
2606 
2607 void
2608 emumix_set_volume(struct emu_sc_info *sc, int mixer_idx, int volume)
2609 {
2610 
2611 	RANGE(volume, 0, 100);
2612 	if (mixer_idx < NUM_MIXERS) {
2613 		sc->mixer_volcache[mixer_idx] = volume;
2614 		emumix_set_fxvol(sc, sc->mixer_gpr[mixer_idx], volume);
2615 	}
2616 }
2617 
2618 int
2619 emumix_get_volume(struct emu_sc_info *sc, int mixer_idx)
2620 {
2621 	if ((mixer_idx < NUM_MIXERS) && (mixer_idx >= 0))
2622 		return (sc->mixer_volcache[mixer_idx]);
2623 	return (-1);
2624 }
2625 
2626 /* Init CardBus part */
2627 static int
2628 emu_cardbus_init(struct emu_sc_info *sc)
2629 {
2630 
2631 	/*
2632 	 * XXX May not need this if we have EMU_IPR3 handler.
2633 	 * Is it a real init calls, or EMU_IPR3 interrupt acknowledgments?
2634 	 * Looks much like "(data << 16) | register".
2635 	 */
2636 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0000);
2637 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x0001);
2638 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x005f);
2639 	emu_wr_cbptr(sc, (0x00d0 << 16) | 0x007f);
2640 
2641 	emu_wr_cbptr(sc, (0x0090 << 16) | 0x007f);
2642 
2643 	return (0);
2644 }
2645 
2646 /* Probe and attach the card */
2647 static int
2648 emu_init(struct emu_sc_info *sc)
2649 {
2650 	uint32_t ch, tmp;
2651 	uint32_t spdif_sr;
2652 	uint32_t ac97slot;
2653 	int def_mode;
2654 	int i;
2655 
2656 	/* disable audio and lock cache */
2657 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2658 
2659 	/* reset recording buffers */
2660 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2661 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2662 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2663 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2664 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2665 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2666 
2667 	/* disable channel interrupt */
2668 	emu_wr(sc, EMU_INTE, EMU_INTE_INTERTIMERENB | EMU_INTE_SAMPLERATER | EMU_INTE_PCIERRENABLE, 4);
2669 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2670 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2671 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2672 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2673 
2674 	/* disable P16V and S/PDIF interrupts */
2675 	if ((sc->is_ca0102) || (sc->is_ca0108))
2676 		emu_wr(sc, EMU_INTE2, 0, 4);
2677 
2678 	if (sc->is_ca0102)
2679 		emu_wr(sc, EMU_INTE3, 0, 4);
2680 
2681 	/* init phys inputs and outputs */
2682 	ac97slot = 0;
2683 	if (sc->has_51)
2684 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE;
2685 	if (sc->has_71)
2686 		ac97slot = EMU_AC97SLOT_CENTER | EMU_AC97SLOT_LFE | EMU_AC97SLOT_REAR_LEFT | EMU_AC97SLOT_REAR_RIGHT;
2687 	if (sc->is_emu10k2)
2688 		ac97slot |= 0x40;
2689 	emu_wrptr(sc, 0, EMU_AC97SLOT, ac97slot);
2690 
2691 	if (sc->is_emu10k2)	/* XXX for later cards? */
2692 		emu_wrptr(sc, 0, EMU_SPBYPASS, 0xf00);	/* What will happen if
2693 							 * we write 1 here? */
2694 
2695 	if (bus_dma_tag_create( /* parent */ bus_get_dma_tag(sc->dev),
2696 	     /* alignment */ 2, /* boundary */ 0,
2697 	     /* lowaddr */ (1U << 31) - 1,	/* can only access 0-2gb */
2698 	     /* highaddr */ BUS_SPACE_MAXADDR,
2699 	     /* filter */ NULL, /* filterarg */ NULL,
2700 	     /* maxsize */ EMU_MAX_BUFSZ, /* nsegments */ 1, /* maxsegz */ 0x3ffff,
2701 	     /* flags */ 0, /* lockfunc */NULL, /* lockarg */NULL,
2702 	     &sc->mem.dmat) != 0) {
2703 		device_printf(sc->dev, "unable to create dma tag\n");
2704 		bus_dma_tag_destroy(sc->mem.dmat);
2705 		return (ENOMEM);
2706 	}
2707 
2708 	sc->mem.card = sc;
2709 	SLIST_INIT(&sc->mem.blocks);
2710 	sc->mem.ptb_pages = emu_malloc(&sc->mem, EMU_MAXPAGES * sizeof(uint32_t), &sc->mem.ptb_pages_addr, &sc->mem.ptb_map);
2711 	if (sc->mem.ptb_pages == NULL)
2712 		return (ENOMEM);
2713 
2714 	sc->mem.silent_page = emu_malloc(&sc->mem, EMUPAGESIZE, &sc->mem.silent_page_addr, &sc->mem.silent_map);
2715 	if (sc->mem.silent_page == NULL) {
2716 		emu_free(&sc->mem, sc->mem.ptb_pages, sc->mem.ptb_map);
2717 		return (ENOMEM);
2718 	}
2719 	/* Clear page with silence & setup all pointers to this page */
2720 	bzero(sc->mem.silent_page, EMUPAGESIZE);
2721 	tmp = (uint32_t) (sc->mem.silent_page_addr) << 1;
2722 	for (i = 0; i < EMU_MAXPAGES; i++)
2723 		sc->mem.ptb_pages[i] = tmp | i;
2724 
2725 	for (ch = 0; ch < NUM_G; ch++) {
2726 		emu_wrptr(sc, ch, EMU_CHAN_MAPA, tmp | EMU_CHAN_MAP_PTI_MASK);
2727 		emu_wrptr(sc, ch, EMU_CHAN_MAPB, tmp | EMU_CHAN_MAP_PTI_MASK);
2728 	}
2729 	emu_wrptr(sc, 0, EMU_PTB, (sc->mem.ptb_pages_addr));
2730 	emu_wrptr(sc, 0, EMU_TCB, 0);	/* taken from original driver */
2731 	emu_wrptr(sc, 0, EMU_TCBS, 0);	/* taken from original driver */
2732 
2733 	/* init envelope engine */
2734 	for (ch = 0; ch < NUM_G; ch++) {
2735 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2736 		emu_wrptr(sc, ch, EMU_CHAN_IP, 0);
2737 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0xffff);
2738 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0xffff);
2739 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2740 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2741 		emu_wrptr(sc, ch, EMU_CHAN_CCR, 0);
2742 
2743 		emu_wrptr(sc, ch, EMU_CHAN_PSST, 0);
2744 		emu_wrptr(sc, ch, EMU_CHAN_DSL, 0x10);
2745 		emu_wrptr(sc, ch, EMU_CHAN_CCCA, 0);
2746 		emu_wrptr(sc, ch, EMU_CHAN_Z1, 0);
2747 		emu_wrptr(sc, ch, EMU_CHAN_Z2, 0);
2748 		emu_wrptr(sc, ch, EMU_CHAN_FXRT, 0xd01c0000);
2749 
2750 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDM, 0);
2751 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSM, 0);
2752 		emu_wrptr(sc, ch, EMU_CHAN_IFATN, 0xffff);
2753 		emu_wrptr(sc, ch, EMU_CHAN_PEFE, 0);
2754 		emu_wrptr(sc, ch, EMU_CHAN_FMMOD, 0);
2755 		emu_wrptr(sc, ch, EMU_CHAN_TREMFRQ, 24);	/* 1 Hz */
2756 		emu_wrptr(sc, ch, EMU_CHAN_FM2FRQ2, 24);	/* 1 Hz */
2757 		emu_wrptr(sc, ch, EMU_CHAN_TEMPENV, 0);
2758 
2759 		/*** these are last so OFF prevents writing ***/
2760 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL2, 0);
2761 		emu_wrptr(sc, ch, EMU_CHAN_LFOVAL1, 0);
2762 		emu_wrptr(sc, ch, EMU_CHAN_ATKHLDV, 0);
2763 		emu_wrptr(sc, ch, EMU_CHAN_ENVVOL, 0);
2764 		emu_wrptr(sc, ch, EMU_CHAN_ENVVAL, 0);
2765 
2766 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2767 			emu_wrptr(sc, ch, 0x4c, 0x0);
2768 			emu_wrptr(sc, ch, 0x4d, 0x0);
2769 			emu_wrptr(sc, ch, 0x4e, 0x0);
2770 			emu_wrptr(sc, ch, 0x4f, 0x0);
2771 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT1, 0x3f3f3f3f);
2772 			emu_wrptr(sc, ch, EMU_A_CHAN_FXRT2, 0x3f3f3f3f);
2773 			emu_wrptr(sc, ch, EMU_A_CHAN_SENDAMOUNTS, 0x0);
2774 		}
2775 	}
2776 
2777 	emumix_set_spdif_mode(sc, SPDIF_MODE_PCM);
2778 
2779 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2780 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, EMU_A_SPDIF_48000);
2781 
2782 	/*
2783 	 * CAxxxx cards needs additional setup:
2784 	 * 1. Set I2S capture sample rate to 96000
2785 	 * 2. Disable P16v / P17v proceesing
2786 	 * 3. Allow EMU10K DSP inputs
2787 	 */
2788 	if ((sc->is_ca0102) || (sc->is_ca0108)) {
2789 		spdif_sr = emu_rdptr(sc, 0, EMU_A_SPDIF_SAMPLERATE);
2790 		spdif_sr &= 0xfffff1ff;
2791 		spdif_sr |= EMU_A_I2S_CAPTURE_96000;
2792 		emu_wrptr(sc, 0, EMU_A_SPDIF_SAMPLERATE, spdif_sr);
2793 
2794 		/* Disable P16v processing */
2795 		emu_wr_p16vptr(sc, 0, EMU_A2_SRCSel, 0x14);
2796 
2797 		/* Setup P16v/P17v sound routing */
2798 		if (sc->is_ca0102)
2799 			emu_wr_p16vptr(sc, 0, EMU_A2_SRCMULTI_ENABLE, 0xFF00FF00);
2800 		else {
2801 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_I2S_ENABLE, 0xFF000000);
2802 			emu_wr_p16vptr(sc, 0, EMU_A2_MIXER_SPDIF_ENABLE, 0xFF000000);
2803 
2804 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2805 			emu_wr(sc, EMU_A_IOCFG, tmp & ~0x8, 2);
2806 		}
2807 	}
2808 	emu_initefx(sc);
2809 
2810 	def_mode = MODE_ANALOG;
2811 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108))
2812 		def_mode = MODE_DIGITAL;
2813 	if (((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) && (sc->broken_digital)) {
2814 		device_printf(sc->dev, "Audigy card initialized in analog mode.\n");
2815 		def_mode = MODE_ANALOG;
2816 	}
2817 	emumix_set_mode(sc, def_mode);
2818 
2819 	if (bootverbose) {
2820 		tmp = emu_rd(sc, EMU_HCFG, 4);
2821 		device_printf(sc->dev, "Card Configuration (   0x%08x )\n", tmp);
2822 		device_printf(sc->dev, "Card Configuration ( & 0xff000000 ) : %s%s%s%s%s%s%s%s\n",
2823 		    (tmp & 0x80000000 ? "[Legacy MPIC] " : ""),
2824 		    (tmp & 0x40000000 ? "[0x40] " : ""),
2825 		    (tmp & 0x20000000 ? "[0x20] " : ""),
2826 		    (tmp & 0x10000000 ? "[0x10] " : ""),
2827 		    (tmp & 0x08000000 ? "[0x08] " : ""),
2828 		    (tmp & 0x04000000 ? "[0x04] " : ""),
2829 		    (tmp & 0x02000000 ? "[0x02] " : ""),
2830 		    (tmp & 0x01000000 ? "[0x01]" : " "));
2831 		device_printf(sc->dev, "Card Configuration ( & 0x00ff0000 ) : %s%s%s%s%s%s%s%s\n",
2832 		    (tmp & 0x00800000 ? "[0x80] " : ""),
2833 		    (tmp & 0x00400000 ? "[0x40] " : ""),
2834 		    (tmp & 0x00200000 ? "[Legacy INT] " : ""),
2835 		    (tmp & 0x00100000 ? "[0x10] " : ""),
2836 		    (tmp & 0x00080000 ? "[0x08] " : ""),
2837 		    (tmp & 0x00040000 ? "[Codec4] " : ""),
2838 		    (tmp & 0x00020000 ? "[Codec2] " : ""),
2839 		    (tmp & 0x00010000 ? "[I2S Codec]" : " "));
2840 		device_printf(sc->dev, "Card Configuration ( & 0x0000ff00 ) : %s%s%s%s%s%s%s%s\n",
2841 		    (tmp & 0x00008000 ? "[0x80] " : ""),
2842 		    (tmp & 0x00004000 ? "[GPINPUT0] " : ""),
2843 		    (tmp & 0x00002000 ? "[GPINPUT1] " : ""),
2844 		    (tmp & 0x00001000 ? "[GPOUT0] " : ""),
2845 		    (tmp & 0x00000800 ? "[GPOUT1] " : ""),
2846 		    (tmp & 0x00000400 ? "[GPOUT2] " : ""),
2847 		    (tmp & 0x00000200 ? "[Joystick] " : ""),
2848 		    (tmp & 0x00000100 ? "[0x01]" : " "));
2849 		device_printf(sc->dev, "Card Configuration ( & 0x000000ff ) : %s%s%s%s%s%s%s%s\n",
2850 		    (tmp & 0x00000080 ? "[0x80] " : ""),
2851 		    (tmp & 0x00000040 ? "[0x40] " : ""),
2852 		    (tmp & 0x00000020 ? "[0x20] " : ""),
2853 		    (tmp & 0x00000010 ? "[AUTOMUTE] " : ""),
2854 		    (tmp & 0x00000008 ? "[LOCKSOUNDCACHE] " : ""),
2855 		    (tmp & 0x00000004 ? "[LOCKTANKCACHE] " : ""),
2856 		    (tmp & 0x00000002 ? "[MUTEBUTTONENABLE] " : ""),
2857 		    (tmp & 0x00000001 ? "[AUDIOENABLE]" : " "));
2858 
2859 		if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
2860 			tmp = emu_rd(sc, EMU_A_IOCFG, 2);
2861 			device_printf(sc->dev, "Audigy Card Configuration (    0x%04x )\n", tmp);
2862 			device_printf(sc->dev, "Audigy Card Configuration (  & 0xff00 )");
2863 			printf(" : %s%s%s%s%s%s%s%s\n",
2864 			    (tmp & 0x8000 ? "[Rear Speakers] " : ""),
2865 			    (tmp & 0x4000 ? "[Front Speakers] " : ""),
2866 			    (tmp & 0x2000 ? "[0x20] " : ""),
2867 			    (tmp & 0x1000 ? "[0x10] " : ""),
2868 			    (tmp & 0x0800 ? "[0x08] " : ""),
2869 			    (tmp & 0x0400 ? "[0x04] " : ""),
2870 			    (tmp & 0x0200 ? "[0x02] " : ""),
2871 			    (tmp & 0x0100 ? "[AudigyDrive Phones]" : " "));
2872 			device_printf(sc->dev, "Audigy Card Configuration (  & 0x00ff )");
2873 			printf(" : %s%s%s%s%s%s%s%s\n",
2874 			    (tmp & 0x0080 ? "[0x80] " : ""),
2875 			    (tmp & 0x0040 ? "[Mute AnalogOut] " : ""),
2876 			    (tmp & 0x0020 ? "[0x20] " : ""),
2877 			    (tmp & 0x0010 ? "[0x10] " : ""),
2878 			    (tmp & 0x0008 ? "[0x08] " : ""),
2879 			    (tmp & 0x0004 ? "[GPOUT0] " : ""),
2880 			    (tmp & 0x0002 ? "[GPOUT1] " : ""),
2881 			    (tmp & 0x0001 ? "[GPOUT2]" : " "));
2882 		}		/* is_emu10k2 or ca* */
2883 	}			/* bootverbose */
2884 	return (0);
2885 }
2886 
2887 static int
2888 emu_uninit(struct emu_sc_info *sc)
2889 {
2890 	uint32_t ch;
2891 	struct emu_memblk *blk;
2892 
2893 	emu_wr(sc, EMU_INTE, 0, 4);
2894 	for (ch = 0; ch < NUM_G; ch++)
2895 		emu_wrptr(sc, ch, EMU_CHAN_DCYSUSV, 0);
2896 	for (ch = 0; ch < NUM_G; ch++) {
2897 		emu_wrptr(sc, ch, EMU_CHAN_VTFT, 0);
2898 		emu_wrptr(sc, ch, EMU_CHAN_CVCF, 0);
2899 		emu_wrptr(sc, ch, EMU_CHAN_PTRX, 0);
2900 		emu_wrptr(sc, ch, EMU_CHAN_CPF, 0);
2901 	}
2902 
2903 	/* disable audio and lock cache */
2904 	emu_wr(sc, EMU_HCFG, EMU_HCFG_LOCKSOUNDCACHE | EMU_HCFG_LOCKTANKCACHE_MASK | EMU_HCFG_MUTEBUTTONENABLE, 4);
2905 
2906 	emu_wrptr(sc, 0, EMU_PTB, 0);
2907 	/* reset recording buffers */
2908 	emu_wrptr(sc, 0, EMU_MICBS, EMU_RECBS_BUFSIZE_NONE);
2909 	emu_wrptr(sc, 0, EMU_MICBA, 0);
2910 	emu_wrptr(sc, 0, EMU_FXBS, EMU_RECBS_BUFSIZE_NONE);
2911 	emu_wrptr(sc, 0, EMU_FXBA, 0);
2912 	emu_wrptr(sc, 0, EMU_FXWC, 0);
2913 	emu_wrptr(sc, 0, EMU_ADCBS, EMU_RECBS_BUFSIZE_NONE);
2914 	emu_wrptr(sc, 0, EMU_ADCBA, 0);
2915 	emu_wrptr(sc, 0, EMU_TCB, 0);
2916 	emu_wrptr(sc, 0, EMU_TCBS, 0);
2917 
2918 	/* disable channel interrupt */
2919 	emu_wrptr(sc, 0, EMU_CLIEL, 0);
2920 	emu_wrptr(sc, 0, EMU_CLIEH, 0);
2921 	emu_wrptr(sc, 0, EMU_SOLEL, 0);
2922 	emu_wrptr(sc, 0, EMU_SOLEH, 0);
2923 
2924 	if (!SLIST_EMPTY(&sc->mem.blocks))
2925 		device_printf(sc->dev, "warning: memblock list not empty\n");
2926 
2927 	SLIST_FOREACH(blk, &sc->mem.blocks, link)
2928 		if (blk != NULL)
2929 		device_printf(sc->dev, "lost %d for %s\n", blk->pte_size, blk->owner);
2930 
2931 	emu_free(&sc->mem, sc->mem.ptb_pages, sc->mem.ptb_map);
2932 	emu_free(&sc->mem, sc->mem.silent_page, sc->mem.silent_map);
2933 
2934 	return (0);
2935 }
2936 
2937 static int
2938 emu_read_ivar(device_t bus, device_t dev, int ivar_index, uintptr_t * result)
2939 {
2940 	struct sndcard_func *func = device_get_ivars(dev);
2941 	struct emu_sc_info *sc = device_get_softc(bus);
2942 
2943 	if (func==NULL)
2944 		return (ENOMEM);
2945 	if (sc == NULL)
2946 		return (ENOMEM);
2947 
2948 	switch (ivar_index) {
2949 	case EMU_VAR_FUNC:
2950 		*result = func->func;
2951 		break;
2952 	case EMU_VAR_ROUTE:
2953 		if (func->varinfo == NULL)
2954 			return (ENOMEM);
2955 		*result = ((struct emu_pcminfo *)func->varinfo)->route;
2956 		break;
2957 	case EMU_VAR_ISEMU10K1:
2958 		*result = sc->is_emu10k1;
2959 		break;
2960 	case EMU_VAR_MCH_DISABLED:
2961 		*result = sc->mch_disabled;
2962 		break;
2963 	case EMU_VAR_MCH_REC:
2964 		*result = sc->mch_rec;
2965 		break;
2966 	default:
2967 		return (ENOENT);
2968 	}
2969 
2970 	return (0);
2971 }
2972 
2973 static int
2974 emu_write_ivar(device_t bus __unused, device_t dev __unused,
2975     int ivar_index, uintptr_t value __unused)
2976 {
2977 
2978 	switch (ivar_index) {
2979 		case 0:
2980 		return (EINVAL);
2981 
2982 	default:
2983 		return (ENOENT);
2984 	}
2985 }
2986 
2987 static int
2988 emu_pci_probe(device_t dev)
2989 {
2990 	struct sbuf *s;
2991 	unsigned int thiscard = 0;
2992 	uint16_t vendor;
2993 
2994 	vendor = pci_read_config(dev, PCIR_DEVVENDOR, /* bytes */ 2);
2995 	if (vendor != 0x1102)
2996 		return (ENXIO);	/* Not Creative */
2997 
2998 	thiscard = emu_getcard(dev);
2999 	if (thiscard == 0)
3000 		return (ENXIO);
3001 
3002 	s = sbuf_new(NULL, NULL, 4096, 0);
3003 	if (s == NULL)
3004 		return (ENOMEM);
3005 	sbuf_printf(s, "Creative %s [%s]", emu_cards[thiscard].desc, emu_cards[thiscard].SBcode);
3006 	sbuf_finish(s);
3007 
3008 	device_set_desc_copy(dev, sbuf_data(s));
3009 
3010 	sbuf_delete(s);
3011 
3012 	return (BUS_PROBE_DEFAULT);
3013 }
3014 
3015 static int
3016 emu_pci_attach(device_t dev)
3017 {
3018 	struct sndcard_func *func;
3019 	struct emu_sc_info *sc;
3020 	struct emu_pcminfo *pcminfo;
3021 #if 0
3022 	struct emu_midiinfo *midiinfo;
3023 #endif
3024 	int i;
3025 	int device_flags;
3026 	char status[255];
3027 	int error = ENXIO;
3028 	int unit;
3029 
3030 	sc = device_get_softc(dev);
3031 	unit = device_get_unit(dev);
3032 
3033 	/* Get configuration */
3034 
3035 	sc->ctx = device_get_sysctl_ctx(dev);
3036 	if (sc->ctx == NULL)
3037 		goto bad;
3038 	sc->root = device_get_sysctl_tree(dev);
3039 	if (sc->root == NULL)
3040 		goto bad;
3041 
3042 	if (resource_int_value("emu10kx", unit, "multichannel_disabled", &(sc->mch_disabled)))
3043 		RANGE(sc->mch_disabled, 0, 1);
3044 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3045 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3046             OID_AUTO, "multichannel_disabled", CTLFLAG_RD, &(sc->mch_disabled), 0, "Multichannel playback setting");
3047 
3048 	if (resource_int_value("emu10kx", unit, "multichannel_recording", &(sc->mch_rec)))
3049 		RANGE(sc->mch_rec, 0, 1);
3050 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3051 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3052             OID_AUTO, "multichannel_recording", CTLFLAG_RD,  &(sc->mch_rec), 0, "Multichannel recording setting");
3053 
3054 	if (resource_int_value("emu10kx", unit, "debug", &(sc->dbg_level)))
3055 		RANGE(sc->mch_rec, 0, 2);
3056 	SYSCTL_ADD_INT(device_get_sysctl_ctx(dev),
3057 	    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
3058             OID_AUTO, "debug", CTLFLAG_RW, &(sc->dbg_level), 0, "Debug level");
3059 
3060 	/* Fill in the softc. */
3061 	mtx_init(&sc->lock, device_get_nameunit(dev), "bridge conf", MTX_DEF);
3062 	mtx_init(&sc->rw, device_get_nameunit(dev), "exclusive io", MTX_DEF);
3063 	sc->dev = dev;
3064 	sc->type = pci_get_devid(dev);
3065 	sc->rev = pci_get_revid(dev);
3066 	sc->enable_ir = 0;
3067 	sc->has_ac97 = 0;
3068 	sc->has_51 = 0;
3069 	sc->has_71 = 0;
3070 	sc->broken_digital = 0;
3071 	sc->is_emu10k1 = 0;
3072 	sc->is_emu10k2 = 0;
3073 	sc->is_ca0102 = 0;
3074 	sc->is_ca0108 = 0;
3075 	sc->is_cardbus = 0;
3076 
3077 	device_flags = emu_cards[emu_getcard(dev)].flags;
3078 	if (device_flags & HAS_51)
3079 		sc->has_51 = 1;
3080 	if (device_flags & HAS_71) {
3081 		sc->has_51 = 1;
3082 		sc->has_71 = 1;
3083 	}
3084 	if (device_flags & IS_EMU10K1)
3085 		sc->is_emu10k1 = 1;
3086 	if (device_flags & IS_EMU10K2)
3087 		sc->is_emu10k2 = 1;
3088 	if (device_flags & IS_CA0102)
3089 		sc->is_ca0102 = 1;
3090 	if (device_flags & IS_CA0108)
3091 		sc->is_ca0108 = 1;
3092 	if ((sc->is_emu10k2) && (sc->rev == 4)) {
3093 		sc->is_emu10k2 = 0;
3094 		sc->is_ca0102 = 1;	/* for unknown Audigy 2 cards */
3095 	}
3096 	if ((sc->is_ca0102 == 1) || (sc->is_ca0108 == 1))
3097 		if (device_flags & IS_CARDBUS)
3098 			sc->is_cardbus = 1;
3099 
3100 	if ((sc->is_emu10k1 + sc->is_emu10k2 + sc->is_ca0102 + sc->is_ca0108) != 1) {
3101 		device_printf(sc->dev, "Unable to detect HW chipset\n");
3102 		goto bad;
3103 	}
3104 	if (device_flags & BROKEN_DIGITAL)
3105 		sc->broken_digital = 1;
3106 	if (device_flags & HAS_AC97)
3107 		sc->has_ac97 = 1;
3108 
3109 	sc->opcode_shift = 0;
3110 	if ((sc->is_emu10k2) || (sc->is_ca0102) || (sc->is_ca0108)) {
3111 		sc->opcode_shift = 24;
3112 		sc->high_operand_shift = 12;
3113 
3114 	/*	DSP map				*/
3115 	/*	sc->fx_base = 0x0		*/
3116 		sc->input_base = 0x40;
3117 	/*	sc->p16vinput_base = 0x50;	*/
3118 		sc->output_base = 0x60;
3119 		sc->efxc_base = 0x80;
3120 	/*	sc->output32h_base = 0xa0;	*/
3121 	/*	sc->output32l_base = 0xb0;	*/
3122 		sc->dsp_zero = 0xc0;
3123 	/*	0xe0...0x100 are unknown	*/
3124 	/*	sc->tram_base = 0x200		*/
3125 	/*	sc->tram_addr_base = 0x300	*/
3126 		sc->gpr_base = EMU_A_FXGPREGBASE;
3127 		sc->num_gprs = 0x200;
3128 		sc->code_base = EMU_A_MICROCODEBASE;
3129 		sc->code_size = 0x800 / 2;	/* 0x600-0xdff,  2048 words,
3130 						 * 1024 instructions */
3131 
3132 		sc->mchannel_fx = 8;
3133 		sc->num_fxbuses = 16;
3134 		sc->num_inputs = 8;
3135 		sc->num_outputs = 16;
3136 		sc->address_mask = EMU_A_PTR_ADDR_MASK;
3137 	}
3138 	if (sc->is_emu10k1) {
3139 		sc->has_51 = 0;	/* We don't support 5.1 sound on SB Live! 5.1 */
3140 		sc->opcode_shift = 20;
3141 		sc->high_operand_shift = 10;
3142 		sc->code_base = EMU_MICROCODEBASE;
3143 		sc->code_size = 0x400 / 2;	/* 0x400-0x7ff,  1024 words,
3144 						 * 512 instructions */
3145 		sc->gpr_base = EMU_FXGPREGBASE;
3146 		sc->num_gprs = 0x100;
3147 		sc->input_base = 0x10;
3148 		sc->output_base = 0x20;
3149 		/*
3150 		 * XXX 5.1 Analog outputs are inside efxc address space!
3151 		 * They use output+0x11/+0x12 (=efxc+1/+2).
3152 		 * Don't use this efx registers for recording on SB Live! 5.1!
3153 		 */
3154 		sc->efxc_base = 0x30;
3155 		sc->dsp_zero = 0x40;
3156 		sc->mchannel_fx = 0;
3157 		sc->num_fxbuses = 8;
3158 		sc->num_inputs = 8;
3159 		sc->num_outputs = 16;
3160 		sc->address_mask = EMU_PTR_ADDR_MASK;
3161 	}
3162 	if (sc->opcode_shift == 0)
3163 		goto bad;
3164 
3165 	pci_enable_busmaster(dev);
3166 
3167 	i = PCIR_BAR(0);
3168 	sc->reg = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &i, RF_ACTIVE);
3169 	if (sc->reg == NULL) {
3170 		device_printf(dev, "unable to map register space\n");
3171 		goto bad;
3172 	}
3173 	sc->st = rman_get_bustag(sc->reg);
3174 	sc->sh = rman_get_bushandle(sc->reg);
3175 
3176 	for (i = 0; i < EMU_MAX_IRQ_CONSUMERS; i++)
3177 		sc->timer[i] = 0;	/* disable it */
3178 
3179 	i = 0;
3180 	sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i, RF_ACTIVE | RF_SHAREABLE);
3181 	if ((sc->irq == NULL) || bus_setup_intr(dev, sc->irq, INTR_MPSAFE | INTR_TYPE_AV,
3182 	    NULL,
3183 	    emu_intr, sc, &sc->ih)) {
3184 		device_printf(dev, "unable to map interrupt\n");
3185 		goto bad;
3186 	}
3187 	if (emu_rm_init(sc) != 0) {
3188 		device_printf(dev, "unable to create resource manager\n");
3189 		goto bad;
3190 	}
3191 	if (sc->is_cardbus)
3192 		if (emu_cardbus_init(sc) != 0) {
3193 			device_printf(dev, "unable to initialize CardBus interface\n");
3194 			goto bad;
3195 		}
3196 	if (emu_init(sc) != 0) {
3197 		device_printf(dev, "unable to initialize the card\n");
3198 		goto bad;
3199 	}
3200 	if (emu10kx_dev_init(sc) != 0) {
3201 		device_printf(dev, "unable to create control device\n");
3202 		goto bad;
3203 	}
3204 	snprintf(status, 255, "rev %d at io 0x%jx irq %jd", sc->rev, rman_get_start(sc->reg), rman_get_start(sc->irq));
3205 
3206 	/* Voices */
3207 	for (i = 0; i < NUM_G; i++) {
3208 		sc->voice[i].vnum = i;
3209 		sc->voice[i].slave = NULL;
3210 		sc->voice[i].busy = 0;
3211 		sc->voice[i].ismaster = 0;
3212 		sc->voice[i].running = 0;
3213 		sc->voice[i].b16 = 0;
3214 		sc->voice[i].stereo = 0;
3215 		sc->voice[i].speed = 0;
3216 		sc->voice[i].start = 0;
3217 		sc->voice[i].end = 0;
3218 	}
3219 
3220 	/* PCM Audio */
3221 	for (i = 0; i < RT_COUNT; i++)
3222 		sc->pcm[i] = NULL;
3223 
3224 	/* FRONT */
3225 	func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3226 	if (func == NULL) {
3227 		error = ENOMEM;
3228 		goto bad;
3229 	}
3230 	pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3231 	if (pcminfo == NULL) {
3232 		error = ENOMEM;
3233 		goto bad;
3234 	}
3235 	pcminfo->card = sc;
3236 	pcminfo->route = RT_FRONT;
3237 
3238 	func->func = SCF_PCM;
3239 	func->varinfo = pcminfo;
3240 	sc->pcm[RT_FRONT] = device_add_child(dev, "pcm", -1);
3241 	device_set_ivars(sc->pcm[RT_FRONT], func);
3242 
3243 	if (!(sc->mch_disabled)) {
3244 		/* REAR */
3245 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3246 		if (func == NULL) {
3247 			error = ENOMEM;
3248 			goto bad;
3249 		}
3250 		pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3251 		if (pcminfo == NULL) {
3252 			error = ENOMEM;
3253 			goto bad;
3254 		}
3255 		pcminfo->card = sc;
3256 		pcminfo->route = RT_REAR;
3257 
3258 		func->func = SCF_PCM;
3259 		func->varinfo = pcminfo;
3260 		sc->pcm[RT_REAR] = device_add_child(dev, "pcm", -1);
3261 		device_set_ivars(sc->pcm[RT_REAR], func);
3262 		if (sc->has_51) {
3263 			/* CENTER */
3264 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3265 			if (func == NULL) {
3266 				error = ENOMEM;
3267 				goto bad;
3268 			}
3269 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3270 			if (pcminfo == NULL) {
3271 				error = ENOMEM;
3272 				goto bad;
3273 			}
3274 			pcminfo->card = sc;
3275 			pcminfo->route = RT_CENTER;
3276 
3277 			func->func = SCF_PCM;
3278 			func->varinfo = pcminfo;
3279 			sc->pcm[RT_CENTER] = device_add_child(dev, "pcm", -1);
3280 			device_set_ivars(sc->pcm[RT_CENTER], func);
3281 			/* SUB */
3282 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3283 			if (func == NULL) {
3284 				error = ENOMEM;
3285 				goto bad;
3286 			}
3287 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3288 			if (pcminfo == NULL) {
3289 				error = ENOMEM;
3290 				goto bad;
3291 			}
3292 			pcminfo->card = sc;
3293 			pcminfo->route = RT_SUB;
3294 
3295 			func->func = SCF_PCM;
3296 			func->varinfo = pcminfo;
3297 			sc->pcm[RT_SUB] = device_add_child(dev, "pcm", -1);
3298 			device_set_ivars(sc->pcm[RT_SUB], func);
3299 		}
3300 		if (sc->has_71) {
3301 			/* SIDE */
3302 			func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3303 			if (func == NULL) {
3304 				error = ENOMEM;
3305 				goto bad;
3306 			}
3307 			pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3308 			if (pcminfo == NULL) {
3309 				error = ENOMEM;
3310 				goto bad;
3311 			}
3312 			pcminfo->card = sc;
3313 			pcminfo->route = RT_SIDE;
3314 
3315 			func->func = SCF_PCM;
3316 			func->varinfo = pcminfo;
3317 			sc->pcm[RT_SIDE] = device_add_child(dev, "pcm", -1);
3318 			device_set_ivars(sc->pcm[RT_SIDE], func);
3319 		}
3320 	} /* mch_disabled */
3321 
3322 	if (sc->mch_rec) {
3323 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3324 		if (func == NULL) {
3325 			error = ENOMEM;
3326 			goto bad;
3327 		}
3328 		pcminfo = malloc(sizeof(struct emu_pcminfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3329 		if (pcminfo == NULL) {
3330 			error = ENOMEM;
3331 			goto bad;
3332 		}
3333 		pcminfo->card = sc;
3334 		pcminfo->route = RT_MCHRECORD;
3335 
3336 		func->func = SCF_PCM;
3337 		func->varinfo = pcminfo;
3338 		sc->pcm[RT_MCHRECORD] = device_add_child(dev, "pcm", -1);
3339 		device_set_ivars(sc->pcm[RT_MCHRECORD], func);
3340 	} /*mch_rec */
3341 
3342 	for (i = 0; i < 2; i++)
3343 		sc->midi[i] = NULL;
3344 
3345 	/* MIDI has some memory mangament and (possible) locking problems */
3346 #if 0
3347 	/* Midi Interface 1: Live!, Audigy, Audigy 2 */
3348 	if ((sc->is_emu10k1) || (sc->is_emu10k2) || (sc->is_ca0102)) {
3349 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3350 		if (func == NULL) {
3351 			error = ENOMEM;
3352 			goto bad;
3353 		}
3354 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3355 		if (midiinfo == NULL) {
3356 			error = ENOMEM;
3357 			goto bad;
3358 		}
3359 		midiinfo->card = sc;
3360 		if (sc->is_emu10k2 || (sc->is_ca0102)) {
3361 			midiinfo->port = EMU_A_MUDATA1;
3362 			midiinfo->portnr = 1;
3363 		}
3364 		if (sc->is_emu10k1) {
3365 			midiinfo->port = MUDATA;
3366 			midiinfo->portnr = 1;
3367 		}
3368 		func->func = SCF_MIDI;
3369 		func->varinfo = midiinfo;
3370 		sc->midi[0] = device_add_child(dev, "midi", -1);
3371 		device_set_ivars(sc->midi[0], func);
3372 	}
3373 	/* Midi Interface 2: Audigy, Audigy 2 (on AudigyDrive) */
3374 	if (sc->is_emu10k2 || (sc->is_ca0102)) {
3375 		func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
3376 		if (func == NULL) {
3377 			error = ENOMEM;
3378 			goto bad;
3379 		}
3380 		midiinfo = malloc(sizeof(struct emu_midiinfo), M_DEVBUF, M_NOWAIT | M_ZERO);
3381 		if (midiinfo == NULL) {
3382 			error = ENOMEM;
3383 			goto bad;
3384 		}
3385 		midiinfo->card = sc;
3386 
3387 		midiinfo->port = EMU_A_MUDATA2;
3388 		midiinfo->portnr = 2;
3389 
3390 		func->func = SCF_MIDI;
3391 		func->varinfo = midiinfo;
3392 		sc->midi[1] = device_add_child(dev, "midi", -1);
3393 		device_set_ivars(sc->midi[1], func);
3394 	}
3395 #endif
3396 	return (bus_generic_attach(dev));
3397 
3398 bad:
3399 	/* XXX can we just call emu_pci_detach here? */
3400 	if (sc->cdev)
3401 		emu10kx_dev_uninit(sc);
3402 	if (sc->rm != NULL)
3403 		emu_rm_uninit(sc);
3404 	if (sc->reg)
3405 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3406 	if (sc->ih)
3407 		bus_teardown_intr(dev, sc->irq, sc->ih);
3408 	if (sc->irq)
3409 		bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3410 	mtx_destroy(&sc->rw);
3411 	mtx_destroy(&sc->lock);
3412 	return (error);
3413 }
3414 
3415 static int
3416 emu_pci_detach(device_t dev)
3417 {
3418 	struct emu_sc_info *sc;
3419 	struct sndcard_func *func;
3420 	int devcount, i;
3421 	device_t *childlist;
3422 	int r = 0;
3423 
3424 	sc = device_get_softc(dev);
3425 
3426 	for (i = 0; i < RT_COUNT; i++) {
3427 		if (sc->pcm[i] != NULL) {
3428 			func = device_get_ivars(sc->pcm[i]);
3429 			if (func != NULL && func->func == SCF_PCM) {
3430 				device_set_ivars(sc->pcm[i], NULL);
3431 				free(func->varinfo, M_DEVBUF);
3432 				free(func, M_DEVBUF);
3433 			}
3434 			r = device_delete_child(dev, sc->pcm[i]);
3435 			if (r)	return (r);
3436 		}
3437 	}
3438 
3439 	if (sc->midi[0] != NULL) {
3440 		func = device_get_ivars(sc->midi[0]);
3441 		if (func != NULL && func->func == SCF_MIDI) {
3442 			device_set_ivars(sc->midi[0], NULL);
3443 			free(func->varinfo, M_DEVBUF);
3444 			free(func, M_DEVBUF);
3445 		}
3446 		r = device_delete_child(dev, sc->midi[0]);
3447 		if (r)	return (r);
3448 	}
3449 
3450 	if (sc->midi[1] != NULL) {
3451 		func = device_get_ivars(sc->midi[1]);
3452 		if (func != NULL && func->func == SCF_MIDI) {
3453 			device_set_ivars(sc->midi[1], NULL);
3454 			free(func->varinfo, M_DEVBUF);
3455 			free(func, M_DEVBUF);
3456 		}
3457 		r = device_delete_child(dev, sc->midi[1]);
3458 		if (r)	return (r);
3459 	}
3460 
3461 	if (device_get_children(dev, &childlist, &devcount) == 0)
3462 		for (i = 0; i < devcount - 1; i++) {
3463 			device_printf(dev, "removing stale child %d (unit %d)\n", i, device_get_unit(childlist[i]));
3464 			func = device_get_ivars(childlist[i]);
3465 			if (func != NULL && (func->func == SCF_MIDI || func->func == SCF_PCM)) {
3466 				device_set_ivars(childlist[i], NULL);
3467 				free(func->varinfo, M_DEVBUF);
3468 				free(func, M_DEVBUF);
3469 			}
3470 			device_delete_child(dev, childlist[i]);
3471 		}
3472 	if (childlist != NULL)
3473 		free(childlist, M_TEMP);
3474 
3475 	r = emu10kx_dev_uninit(sc);
3476 	if (r)
3477 		return (r);
3478 
3479 	/* shutdown chip */
3480 	emu_uninit(sc);
3481 	emu_rm_uninit(sc);
3482 
3483 	if (sc->mem.dmat)
3484 		bus_dma_tag_destroy(sc->mem.dmat);
3485 
3486 	if (sc->reg)
3487 		bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
3488 	bus_teardown_intr(dev, sc->irq, sc->ih);
3489 	bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
3490 	mtx_destroy(&sc->rw);
3491 	mtx_destroy(&sc->lock);
3492 
3493 	return (bus_generic_detach(dev));
3494 }
3495 /* add suspend, resume */
3496 static device_method_t emu_methods[] = {
3497 	/* Device interface */
3498 	DEVMETHOD(device_probe, emu_pci_probe),
3499 	DEVMETHOD(device_attach, emu_pci_attach),
3500 	DEVMETHOD(device_detach, emu_pci_detach),
3501 	/* Bus methods */
3502 	DEVMETHOD(bus_read_ivar, emu_read_ivar),
3503 	DEVMETHOD(bus_write_ivar, emu_write_ivar),
3504 
3505 	DEVMETHOD_END
3506 };
3507 
3508 static driver_t emu_driver = {
3509 	"emu10kx",
3510 	emu_methods,
3511 	sizeof(struct emu_sc_info),
3512 	NULL,
3513 	0,
3514 	NULL
3515 };
3516 
3517 static int
3518 emu_modevent(module_t mod __unused, int cmd, void *data __unused)
3519 {
3520 	int err = 0;
3521 
3522 	switch (cmd) {
3523 	case MOD_LOAD:
3524 		break;		/* Success */
3525 
3526 	case MOD_UNLOAD:
3527 	case MOD_SHUTDOWN:
3528 
3529 		/* XXX  Should we check state of pcm & midi subdevices here? */
3530 
3531 		break;		/* Success */
3532 
3533 	default:
3534 		err = EINVAL;
3535 		break;
3536 	}
3537 
3538 	return (err);
3539 
3540 }
3541 
3542 DRIVER_MODULE(snd_emu10kx, pci, emu_driver, emu_modevent, NULL);
3543 MODULE_VERSION(snd_emu10kx, SND_EMU10KX_PREFVER);
3544