xref: /linux/sound/pci/ctxfi/cthw20k1.c (revision b889fcf63cb62e7fdb7816565e28f44dbe4a76a5)
1 /**
2  * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
3  *
4  * This source file is released under GPL v2 license (no other versions).
5  * See the COPYING file included in the main directory of this source
6  * distribution for the license terms and conditions.
7  *
8  * @File	cthw20k1.c
9  *
10  * @Brief
11  * This file contains the implementation of hardware access methord for 20k1.
12  *
13  * @Author	Liu Chun
14  * @Date 	Jun 24 2008
15  *
16  */
17 
18 #include <linux/types.h>
19 #include <linux/slab.h>
20 #include <linux/pci.h>
21 #include <linux/io.h>
22 #include <linux/string.h>
23 #include <linux/spinlock.h>
24 #include <linux/kernel.h>
25 #include <linux/interrupt.h>
26 #include <linux/delay.h>
27 #include "cthw20k1.h"
28 #include "ct20k1reg.h"
29 
30 #if BITS_PER_LONG == 32
31 #define CT_XFI_DMA_MASK		DMA_BIT_MASK(32) /* 32 bit PTE */
32 #else
33 #define CT_XFI_DMA_MASK		DMA_BIT_MASK(64) /* 64 bit PTE */
34 #endif
35 
36 struct hw20k1 {
37 	struct hw hw;
38 	spinlock_t reg_20k1_lock;
39 	spinlock_t reg_pci_lock;
40 };
41 
42 static u32 hw_read_20kx(struct hw *hw, u32 reg);
43 static void hw_write_20kx(struct hw *hw, u32 reg, u32 data);
44 static u32 hw_read_pci(struct hw *hw, u32 reg);
45 static void hw_write_pci(struct hw *hw, u32 reg, u32 data);
46 
47 /*
48  * Type definition block.
49  * The layout of control structures can be directly applied on 20k2 chip.
50  */
51 
52 /*
53  * SRC control block definitions.
54  */
55 
56 /* SRC resource control block */
57 #define SRCCTL_STATE	0x00000007
58 #define SRCCTL_BM	0x00000008
59 #define SRCCTL_RSR	0x00000030
60 #define SRCCTL_SF	0x000001C0
61 #define SRCCTL_WR	0x00000200
62 #define SRCCTL_PM	0x00000400
63 #define SRCCTL_ROM	0x00001800
64 #define SRCCTL_VO	0x00002000
65 #define SRCCTL_ST	0x00004000
66 #define SRCCTL_IE	0x00008000
67 #define SRCCTL_ILSZ	0x000F0000
68 #define SRCCTL_BP	0x00100000
69 
70 #define SRCCCR_CISZ	0x000007FF
71 #define SRCCCR_CWA	0x001FF800
72 #define SRCCCR_D	0x00200000
73 #define SRCCCR_RS	0x01C00000
74 #define SRCCCR_NAL	0x3E000000
75 #define SRCCCR_RA	0xC0000000
76 
77 #define SRCCA_CA	0x03FFFFFF
78 #define SRCCA_RS	0x1C000000
79 #define SRCCA_NAL	0xE0000000
80 
81 #define SRCSA_SA	0x03FFFFFF
82 
83 #define SRCLA_LA	0x03FFFFFF
84 
85 /* Mixer Parameter Ring ram Low and Hight register.
86  * Fixed-point value in 8.24 format for parameter channel */
87 #define MPRLH_PITCH	0xFFFFFFFF
88 
89 /* SRC resource register dirty flags */
90 union src_dirty {
91 	struct {
92 		u16 ctl:1;
93 		u16 ccr:1;
94 		u16 sa:1;
95 		u16 la:1;
96 		u16 ca:1;
97 		u16 mpr:1;
98 		u16 czbfs:1;	/* Clear Z-Buffers */
99 		u16 rsv:9;
100 	} bf;
101 	u16 data;
102 };
103 
104 struct src_rsc_ctrl_blk {
105 	unsigned int	ctl;
106 	unsigned int 	ccr;
107 	unsigned int	ca;
108 	unsigned int	sa;
109 	unsigned int	la;
110 	unsigned int	mpr;
111 	union src_dirty	dirty;
112 };
113 
114 /* SRC manager control block */
115 union src_mgr_dirty {
116 	struct {
117 		u16 enb0:1;
118 		u16 enb1:1;
119 		u16 enb2:1;
120 		u16 enb3:1;
121 		u16 enb4:1;
122 		u16 enb5:1;
123 		u16 enb6:1;
124 		u16 enb7:1;
125 		u16 enbsa:1;
126 		u16 rsv:7;
127 	} bf;
128 	u16 data;
129 };
130 
131 struct src_mgr_ctrl_blk {
132 	unsigned int		enbsa;
133 	unsigned int		enb[8];
134 	union src_mgr_dirty	dirty;
135 };
136 
137 /* SRCIMP manager control block */
138 #define SRCAIM_ARC	0x00000FFF
139 #define SRCAIM_NXT	0x00FF0000
140 #define SRCAIM_SRC	0xFF000000
141 
142 struct srcimap {
143 	unsigned int srcaim;
144 	unsigned int idx;
145 };
146 
147 /* SRCIMP manager register dirty flags */
148 union srcimp_mgr_dirty {
149 	struct {
150 		u16 srcimap:1;
151 		u16 rsv:15;
152 	} bf;
153 	u16 data;
154 };
155 
156 struct srcimp_mgr_ctrl_blk {
157 	struct srcimap		srcimap;
158 	union srcimp_mgr_dirty	dirty;
159 };
160 
161 /*
162  * Function implementation block.
163  */
164 
165 static int src_get_rsc_ctrl_blk(void **rblk)
166 {
167 	struct src_rsc_ctrl_blk *blk;
168 
169 	*rblk = NULL;
170 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
171 	if (!blk)
172 		return -ENOMEM;
173 
174 	*rblk = blk;
175 
176 	return 0;
177 }
178 
179 static int src_put_rsc_ctrl_blk(void *blk)
180 {
181 	kfree((struct src_rsc_ctrl_blk *)blk);
182 
183 	return 0;
184 }
185 
186 static int src_set_state(void *blk, unsigned int state)
187 {
188 	struct src_rsc_ctrl_blk *ctl = blk;
189 
190 	set_field(&ctl->ctl, SRCCTL_STATE, state);
191 	ctl->dirty.bf.ctl = 1;
192 	return 0;
193 }
194 
195 static int src_set_bm(void *blk, unsigned int bm)
196 {
197 	struct src_rsc_ctrl_blk *ctl = blk;
198 
199 	set_field(&ctl->ctl, SRCCTL_BM, bm);
200 	ctl->dirty.bf.ctl = 1;
201 	return 0;
202 }
203 
204 static int src_set_rsr(void *blk, unsigned int rsr)
205 {
206 	struct src_rsc_ctrl_blk *ctl = blk;
207 
208 	set_field(&ctl->ctl, SRCCTL_RSR, rsr);
209 	ctl->dirty.bf.ctl = 1;
210 	return 0;
211 }
212 
213 static int src_set_sf(void *blk, unsigned int sf)
214 {
215 	struct src_rsc_ctrl_blk *ctl = blk;
216 
217 	set_field(&ctl->ctl, SRCCTL_SF, sf);
218 	ctl->dirty.bf.ctl = 1;
219 	return 0;
220 }
221 
222 static int src_set_wr(void *blk, unsigned int wr)
223 {
224 	struct src_rsc_ctrl_blk *ctl = blk;
225 
226 	set_field(&ctl->ctl, SRCCTL_WR, wr);
227 	ctl->dirty.bf.ctl = 1;
228 	return 0;
229 }
230 
231 static int src_set_pm(void *blk, unsigned int pm)
232 {
233 	struct src_rsc_ctrl_blk *ctl = blk;
234 
235 	set_field(&ctl->ctl, SRCCTL_PM, pm);
236 	ctl->dirty.bf.ctl = 1;
237 	return 0;
238 }
239 
240 static int src_set_rom(void *blk, unsigned int rom)
241 {
242 	struct src_rsc_ctrl_blk *ctl = blk;
243 
244 	set_field(&ctl->ctl, SRCCTL_ROM, rom);
245 	ctl->dirty.bf.ctl = 1;
246 	return 0;
247 }
248 
249 static int src_set_vo(void *blk, unsigned int vo)
250 {
251 	struct src_rsc_ctrl_blk *ctl = blk;
252 
253 	set_field(&ctl->ctl, SRCCTL_VO, vo);
254 	ctl->dirty.bf.ctl = 1;
255 	return 0;
256 }
257 
258 static int src_set_st(void *blk, unsigned int st)
259 {
260 	struct src_rsc_ctrl_blk *ctl = blk;
261 
262 	set_field(&ctl->ctl, SRCCTL_ST, st);
263 	ctl->dirty.bf.ctl = 1;
264 	return 0;
265 }
266 
267 static int src_set_ie(void *blk, unsigned int ie)
268 {
269 	struct src_rsc_ctrl_blk *ctl = blk;
270 
271 	set_field(&ctl->ctl, SRCCTL_IE, ie);
272 	ctl->dirty.bf.ctl = 1;
273 	return 0;
274 }
275 
276 static int src_set_ilsz(void *blk, unsigned int ilsz)
277 {
278 	struct src_rsc_ctrl_blk *ctl = blk;
279 
280 	set_field(&ctl->ctl, SRCCTL_ILSZ, ilsz);
281 	ctl->dirty.bf.ctl = 1;
282 	return 0;
283 }
284 
285 static int src_set_bp(void *blk, unsigned int bp)
286 {
287 	struct src_rsc_ctrl_blk *ctl = blk;
288 
289 	set_field(&ctl->ctl, SRCCTL_BP, bp);
290 	ctl->dirty.bf.ctl = 1;
291 	return 0;
292 }
293 
294 static int src_set_cisz(void *blk, unsigned int cisz)
295 {
296 	struct src_rsc_ctrl_blk *ctl = blk;
297 
298 	set_field(&ctl->ccr, SRCCCR_CISZ, cisz);
299 	ctl->dirty.bf.ccr = 1;
300 	return 0;
301 }
302 
303 static int src_set_ca(void *blk, unsigned int ca)
304 {
305 	struct src_rsc_ctrl_blk *ctl = blk;
306 
307 	set_field(&ctl->ca, SRCCA_CA, ca);
308 	ctl->dirty.bf.ca = 1;
309 	return 0;
310 }
311 
312 static int src_set_sa(void *blk, unsigned int sa)
313 {
314 	struct src_rsc_ctrl_blk *ctl = blk;
315 
316 	set_field(&ctl->sa, SRCSA_SA, sa);
317 	ctl->dirty.bf.sa = 1;
318 	return 0;
319 }
320 
321 static int src_set_la(void *blk, unsigned int la)
322 {
323 	struct src_rsc_ctrl_blk *ctl = blk;
324 
325 	set_field(&ctl->la, SRCLA_LA, la);
326 	ctl->dirty.bf.la = 1;
327 	return 0;
328 }
329 
330 static int src_set_pitch(void *blk, unsigned int pitch)
331 {
332 	struct src_rsc_ctrl_blk *ctl = blk;
333 
334 	set_field(&ctl->mpr, MPRLH_PITCH, pitch);
335 	ctl->dirty.bf.mpr = 1;
336 	return 0;
337 }
338 
339 static int src_set_clear_zbufs(void *blk, unsigned int clear)
340 {
341 	((struct src_rsc_ctrl_blk *)blk)->dirty.bf.czbfs = (clear ? 1 : 0);
342 	return 0;
343 }
344 
345 static int src_set_dirty(void *blk, unsigned int flags)
346 {
347 	((struct src_rsc_ctrl_blk *)blk)->dirty.data = (flags & 0xffff);
348 	return 0;
349 }
350 
351 static int src_set_dirty_all(void *blk)
352 {
353 	((struct src_rsc_ctrl_blk *)blk)->dirty.data = ~(0x0);
354 	return 0;
355 }
356 
357 #define AR_SLOT_SIZE		4096
358 #define AR_SLOT_BLOCK_SIZE	16
359 #define AR_PTS_PITCH		6
360 #define AR_PARAM_SRC_OFFSET	0x60
361 
362 static unsigned int src_param_pitch_mixer(unsigned int src_idx)
363 {
364 	return ((src_idx << 4) + AR_PTS_PITCH + AR_SLOT_SIZE
365 			- AR_PARAM_SRC_OFFSET) % AR_SLOT_SIZE;
366 
367 }
368 
369 static int src_commit_write(struct hw *hw, unsigned int idx, void *blk)
370 {
371 	struct src_rsc_ctrl_blk *ctl = blk;
372 	int i;
373 
374 	if (ctl->dirty.bf.czbfs) {
375 		/* Clear Z-Buffer registers */
376 		for (i = 0; i < 8; i++)
377 			hw_write_20kx(hw, SRCUPZ+idx*0x100+i*0x4, 0);
378 
379 		for (i = 0; i < 4; i++)
380 			hw_write_20kx(hw, SRCDN0Z+idx*0x100+i*0x4, 0);
381 
382 		for (i = 0; i < 8; i++)
383 			hw_write_20kx(hw, SRCDN1Z+idx*0x100+i*0x4, 0);
384 
385 		ctl->dirty.bf.czbfs = 0;
386 	}
387 	if (ctl->dirty.bf.mpr) {
388 		/* Take the parameter mixer resource in the same group as that
389 		 * the idx src is in for simplicity. Unlike src, all conjugate
390 		 * parameter mixer resources must be programmed for
391 		 * corresponding conjugate src resources. */
392 		unsigned int pm_idx = src_param_pitch_mixer(idx);
393 		hw_write_20kx(hw, PRING_LO_HI+4*pm_idx, ctl->mpr);
394 		hw_write_20kx(hw, PMOPLO+8*pm_idx, 0x3);
395 		hw_write_20kx(hw, PMOPHI+8*pm_idx, 0x0);
396 		ctl->dirty.bf.mpr = 0;
397 	}
398 	if (ctl->dirty.bf.sa) {
399 		hw_write_20kx(hw, SRCSA+idx*0x100, ctl->sa);
400 		ctl->dirty.bf.sa = 0;
401 	}
402 	if (ctl->dirty.bf.la) {
403 		hw_write_20kx(hw, SRCLA+idx*0x100, ctl->la);
404 		ctl->dirty.bf.la = 0;
405 	}
406 	if (ctl->dirty.bf.ca) {
407 		hw_write_20kx(hw, SRCCA+idx*0x100, ctl->ca);
408 		ctl->dirty.bf.ca = 0;
409 	}
410 
411 	/* Write srccf register */
412 	hw_write_20kx(hw, SRCCF+idx*0x100, 0x0);
413 
414 	if (ctl->dirty.bf.ccr) {
415 		hw_write_20kx(hw, SRCCCR+idx*0x100, ctl->ccr);
416 		ctl->dirty.bf.ccr = 0;
417 	}
418 	if (ctl->dirty.bf.ctl) {
419 		hw_write_20kx(hw, SRCCTL+idx*0x100, ctl->ctl);
420 		ctl->dirty.bf.ctl = 0;
421 	}
422 
423 	return 0;
424 }
425 
426 static int src_get_ca(struct hw *hw, unsigned int idx, void *blk)
427 {
428 	struct src_rsc_ctrl_blk *ctl = blk;
429 
430 	ctl->ca = hw_read_20kx(hw, SRCCA+idx*0x100);
431 	ctl->dirty.bf.ca = 0;
432 
433 	return get_field(ctl->ca, SRCCA_CA);
434 }
435 
436 static unsigned int src_get_dirty(void *blk)
437 {
438 	return ((struct src_rsc_ctrl_blk *)blk)->dirty.data;
439 }
440 
441 static unsigned int src_dirty_conj_mask(void)
442 {
443 	return 0x20;
444 }
445 
446 static int src_mgr_enbs_src(void *blk, unsigned int idx)
447 {
448 	((struct src_mgr_ctrl_blk *)blk)->enbsa = ~(0x0);
449 	((struct src_mgr_ctrl_blk *)blk)->dirty.bf.enbsa = 1;
450 	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] |= (0x1 << (idx%32));
451 	return 0;
452 }
453 
454 static int src_mgr_enb_src(void *blk, unsigned int idx)
455 {
456 	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] |= (0x1 << (idx%32));
457 	((struct src_mgr_ctrl_blk *)blk)->dirty.data |= (0x1 << (idx/32));
458 	return 0;
459 }
460 
461 static int src_mgr_dsb_src(void *blk, unsigned int idx)
462 {
463 	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] &= ~(0x1 << (idx%32));
464 	((struct src_mgr_ctrl_blk *)blk)->dirty.data |= (0x1 << (idx/32));
465 	return 0;
466 }
467 
468 static int src_mgr_commit_write(struct hw *hw, void *blk)
469 {
470 	struct src_mgr_ctrl_blk *ctl = blk;
471 	int i;
472 	unsigned int ret;
473 
474 	if (ctl->dirty.bf.enbsa) {
475 		do {
476 			ret = hw_read_20kx(hw, SRCENBSTAT);
477 		} while (ret & 0x1);
478 		hw_write_20kx(hw, SRCENBS, ctl->enbsa);
479 		ctl->dirty.bf.enbsa = 0;
480 	}
481 	for (i = 0; i < 8; i++) {
482 		if ((ctl->dirty.data & (0x1 << i))) {
483 			hw_write_20kx(hw, SRCENB+(i*0x100), ctl->enb[i]);
484 			ctl->dirty.data &= ~(0x1 << i);
485 		}
486 	}
487 
488 	return 0;
489 }
490 
491 static int src_mgr_get_ctrl_blk(void **rblk)
492 {
493 	struct src_mgr_ctrl_blk *blk;
494 
495 	*rblk = NULL;
496 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
497 	if (!blk)
498 		return -ENOMEM;
499 
500 	*rblk = blk;
501 
502 	return 0;
503 }
504 
505 static int src_mgr_put_ctrl_blk(void *blk)
506 {
507 	kfree((struct src_mgr_ctrl_blk *)blk);
508 
509 	return 0;
510 }
511 
512 static int srcimp_mgr_get_ctrl_blk(void **rblk)
513 {
514 	struct srcimp_mgr_ctrl_blk *blk;
515 
516 	*rblk = NULL;
517 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
518 	if (!blk)
519 		return -ENOMEM;
520 
521 	*rblk = blk;
522 
523 	return 0;
524 }
525 
526 static int srcimp_mgr_put_ctrl_blk(void *blk)
527 {
528 	kfree((struct srcimp_mgr_ctrl_blk *)blk);
529 
530 	return 0;
531 }
532 
533 static int srcimp_mgr_set_imaparc(void *blk, unsigned int slot)
534 {
535 	struct srcimp_mgr_ctrl_blk *ctl = blk;
536 
537 	set_field(&ctl->srcimap.srcaim, SRCAIM_ARC, slot);
538 	ctl->dirty.bf.srcimap = 1;
539 	return 0;
540 }
541 
542 static int srcimp_mgr_set_imapuser(void *blk, unsigned int user)
543 {
544 	struct srcimp_mgr_ctrl_blk *ctl = blk;
545 
546 	set_field(&ctl->srcimap.srcaim, SRCAIM_SRC, user);
547 	ctl->dirty.bf.srcimap = 1;
548 	return 0;
549 }
550 
551 static int srcimp_mgr_set_imapnxt(void *blk, unsigned int next)
552 {
553 	struct srcimp_mgr_ctrl_blk *ctl = blk;
554 
555 	set_field(&ctl->srcimap.srcaim, SRCAIM_NXT, next);
556 	ctl->dirty.bf.srcimap = 1;
557 	return 0;
558 }
559 
560 static int srcimp_mgr_set_imapaddr(void *blk, unsigned int addr)
561 {
562 	struct srcimp_mgr_ctrl_blk *ctl = blk;
563 
564 	ctl->srcimap.idx = addr;
565 	ctl->dirty.bf.srcimap = 1;
566 	return 0;
567 }
568 
569 static int srcimp_mgr_commit_write(struct hw *hw, void *blk)
570 {
571 	struct srcimp_mgr_ctrl_blk *ctl = blk;
572 
573 	if (ctl->dirty.bf.srcimap) {
574 		hw_write_20kx(hw, SRCIMAP+ctl->srcimap.idx*0x100,
575 						ctl->srcimap.srcaim);
576 		ctl->dirty.bf.srcimap = 0;
577 	}
578 
579 	return 0;
580 }
581 
582 /*
583  * AMIXER control block definitions.
584  */
585 
586 #define AMOPLO_M	0x00000003
587 #define AMOPLO_X	0x0003FFF0
588 #define AMOPLO_Y	0xFFFC0000
589 
590 #define AMOPHI_SADR	0x000000FF
591 #define AMOPHI_SE	0x80000000
592 
593 /* AMIXER resource register dirty flags */
594 union amixer_dirty {
595 	struct {
596 		u16 amoplo:1;
597 		u16 amophi:1;
598 		u16 rsv:14;
599 	} bf;
600 	u16 data;
601 };
602 
603 /* AMIXER resource control block */
604 struct amixer_rsc_ctrl_blk {
605 	unsigned int		amoplo;
606 	unsigned int		amophi;
607 	union amixer_dirty	dirty;
608 };
609 
610 static int amixer_set_mode(void *blk, unsigned int mode)
611 {
612 	struct amixer_rsc_ctrl_blk *ctl = blk;
613 
614 	set_field(&ctl->amoplo, AMOPLO_M, mode);
615 	ctl->dirty.bf.amoplo = 1;
616 	return 0;
617 }
618 
619 static int amixer_set_iv(void *blk, unsigned int iv)
620 {
621 	/* 20k1 amixer does not have this field */
622 	return 0;
623 }
624 
625 static int amixer_set_x(void *blk, unsigned int x)
626 {
627 	struct amixer_rsc_ctrl_blk *ctl = blk;
628 
629 	set_field(&ctl->amoplo, AMOPLO_X, x);
630 	ctl->dirty.bf.amoplo = 1;
631 	return 0;
632 }
633 
634 static int amixer_set_y(void *blk, unsigned int y)
635 {
636 	struct amixer_rsc_ctrl_blk *ctl = blk;
637 
638 	set_field(&ctl->amoplo, AMOPLO_Y, y);
639 	ctl->dirty.bf.amoplo = 1;
640 	return 0;
641 }
642 
643 static int amixer_set_sadr(void *blk, unsigned int sadr)
644 {
645 	struct amixer_rsc_ctrl_blk *ctl = blk;
646 
647 	set_field(&ctl->amophi, AMOPHI_SADR, sadr);
648 	ctl->dirty.bf.amophi = 1;
649 	return 0;
650 }
651 
652 static int amixer_set_se(void *blk, unsigned int se)
653 {
654 	struct amixer_rsc_ctrl_blk *ctl = blk;
655 
656 	set_field(&ctl->amophi, AMOPHI_SE, se);
657 	ctl->dirty.bf.amophi = 1;
658 	return 0;
659 }
660 
661 static int amixer_set_dirty(void *blk, unsigned int flags)
662 {
663 	((struct amixer_rsc_ctrl_blk *)blk)->dirty.data = (flags & 0xffff);
664 	return 0;
665 }
666 
667 static int amixer_set_dirty_all(void *blk)
668 {
669 	((struct amixer_rsc_ctrl_blk *)blk)->dirty.data = ~(0x0);
670 	return 0;
671 }
672 
673 static int amixer_commit_write(struct hw *hw, unsigned int idx, void *blk)
674 {
675 	struct amixer_rsc_ctrl_blk *ctl = blk;
676 
677 	if (ctl->dirty.bf.amoplo || ctl->dirty.bf.amophi) {
678 		hw_write_20kx(hw, AMOPLO+idx*8, ctl->amoplo);
679 		ctl->dirty.bf.amoplo = 0;
680 		hw_write_20kx(hw, AMOPHI+idx*8, ctl->amophi);
681 		ctl->dirty.bf.amophi = 0;
682 	}
683 
684 	return 0;
685 }
686 
687 static int amixer_get_y(void *blk)
688 {
689 	struct amixer_rsc_ctrl_blk *ctl = blk;
690 
691 	return get_field(ctl->amoplo, AMOPLO_Y);
692 }
693 
694 static unsigned int amixer_get_dirty(void *blk)
695 {
696 	return ((struct amixer_rsc_ctrl_blk *)blk)->dirty.data;
697 }
698 
699 static int amixer_rsc_get_ctrl_blk(void **rblk)
700 {
701 	struct amixer_rsc_ctrl_blk *blk;
702 
703 	*rblk = NULL;
704 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
705 	if (!blk)
706 		return -ENOMEM;
707 
708 	*rblk = blk;
709 
710 	return 0;
711 }
712 
713 static int amixer_rsc_put_ctrl_blk(void *blk)
714 {
715 	kfree((struct amixer_rsc_ctrl_blk *)blk);
716 
717 	return 0;
718 }
719 
720 static int amixer_mgr_get_ctrl_blk(void **rblk)
721 {
722 	/*amixer_mgr_ctrl_blk_t *blk;*/
723 
724 	*rblk = NULL;
725 	/*blk = kzalloc(sizeof(*blk), GFP_KERNEL);
726 	if (!blk)
727 		return -ENOMEM;
728 
729 	*rblk = blk;*/
730 
731 	return 0;
732 }
733 
734 static int amixer_mgr_put_ctrl_blk(void *blk)
735 {
736 	/*kfree((amixer_mgr_ctrl_blk_t *)blk);*/
737 
738 	return 0;
739 }
740 
741 /*
742  * DAIO control block definitions.
743  */
744 
745 /* Receiver Sample Rate Tracker Control register */
746 #define SRTCTL_SRCR	0x000000FF
747 #define SRTCTL_SRCL	0x0000FF00
748 #define SRTCTL_RSR	0x00030000
749 #define SRTCTL_DRAT	0x000C0000
750 #define SRTCTL_RLE	0x10000000
751 #define SRTCTL_RLP	0x20000000
752 #define SRTCTL_EC	0x40000000
753 #define SRTCTL_ET	0x80000000
754 
755 /* DAIO Receiver register dirty flags */
756 union dai_dirty {
757 	struct {
758 		u16 srtctl:1;
759 		u16 rsv:15;
760 	} bf;
761 	u16 data;
762 };
763 
764 /* DAIO Receiver control block */
765 struct dai_ctrl_blk {
766 	unsigned int	srtctl;
767 	union dai_dirty	dirty;
768 };
769 
770 /* S/PDIF Transmitter register dirty flags */
771 union dao_dirty {
772 	struct {
773 		u16 spos:1;
774 		u16 rsv:15;
775 	} bf;
776 	u16 data;
777 };
778 
779 /* S/PDIF Transmitter control block */
780 struct dao_ctrl_blk {
781 	unsigned int 	spos; /* S/PDIF Output Channel Status Register */
782 	union dao_dirty	dirty;
783 };
784 
785 /* Audio Input Mapper RAM */
786 #define AIM_ARC		0x00000FFF
787 #define AIM_NXT		0x007F0000
788 
789 struct daoimap {
790 	unsigned int aim;
791 	unsigned int idx;
792 };
793 
794 /* I2S Transmitter/Receiver Control register */
795 #define I2SCTL_EA	0x00000004
796 #define I2SCTL_EI	0x00000010
797 
798 /* S/PDIF Transmitter Control register */
799 #define SPOCTL_OE	0x00000001
800 #define SPOCTL_OS	0x0000000E
801 #define SPOCTL_RIV	0x00000010
802 #define SPOCTL_LIV	0x00000020
803 #define SPOCTL_SR	0x000000C0
804 
805 /* S/PDIF Receiver Control register */
806 #define SPICTL_EN	0x00000001
807 #define SPICTL_I24	0x00000002
808 #define SPICTL_IB	0x00000004
809 #define SPICTL_SM	0x00000008
810 #define SPICTL_VM	0x00000010
811 
812 /* DAIO manager register dirty flags */
813 union daio_mgr_dirty {
814 	struct {
815 		u32 i2soctl:4;
816 		u32 i2sictl:4;
817 		u32 spoctl:4;
818 		u32 spictl:4;
819 		u32 daoimap:1;
820 		u32 rsv:15;
821 	} bf;
822 	u32 data;
823 };
824 
825 /* DAIO manager control block */
826 struct daio_mgr_ctrl_blk {
827 	unsigned int		i2sctl;
828 	unsigned int		spoctl;
829 	unsigned int		spictl;
830 	struct daoimap		daoimap;
831 	union daio_mgr_dirty	dirty;
832 };
833 
834 static int dai_srt_set_srcr(void *blk, unsigned int src)
835 {
836 	struct dai_ctrl_blk *ctl = blk;
837 
838 	set_field(&ctl->srtctl, SRTCTL_SRCR, src);
839 	ctl->dirty.bf.srtctl = 1;
840 	return 0;
841 }
842 
843 static int dai_srt_set_srcl(void *blk, unsigned int src)
844 {
845 	struct dai_ctrl_blk *ctl = blk;
846 
847 	set_field(&ctl->srtctl, SRTCTL_SRCL, src);
848 	ctl->dirty.bf.srtctl = 1;
849 	return 0;
850 }
851 
852 static int dai_srt_set_rsr(void *blk, unsigned int rsr)
853 {
854 	struct dai_ctrl_blk *ctl = blk;
855 
856 	set_field(&ctl->srtctl, SRTCTL_RSR, rsr);
857 	ctl->dirty.bf.srtctl = 1;
858 	return 0;
859 }
860 
861 static int dai_srt_set_drat(void *blk, unsigned int drat)
862 {
863 	struct dai_ctrl_blk *ctl = blk;
864 
865 	set_field(&ctl->srtctl, SRTCTL_DRAT, drat);
866 	ctl->dirty.bf.srtctl = 1;
867 	return 0;
868 }
869 
870 static int dai_srt_set_ec(void *blk, unsigned int ec)
871 {
872 	struct dai_ctrl_blk *ctl = blk;
873 
874 	set_field(&ctl->srtctl, SRTCTL_EC, ec ? 1 : 0);
875 	ctl->dirty.bf.srtctl = 1;
876 	return 0;
877 }
878 
879 static int dai_srt_set_et(void *blk, unsigned int et)
880 {
881 	struct dai_ctrl_blk *ctl = blk;
882 
883 	set_field(&ctl->srtctl, SRTCTL_ET, et ? 1 : 0);
884 	ctl->dirty.bf.srtctl = 1;
885 	return 0;
886 }
887 
888 static int dai_commit_write(struct hw *hw, unsigned int idx, void *blk)
889 {
890 	struct dai_ctrl_blk *ctl = blk;
891 
892 	if (ctl->dirty.bf.srtctl) {
893 		if (idx < 4) {
894 			/* S/PDIF SRTs */
895 			hw_write_20kx(hw, SRTSCTL+0x4*idx, ctl->srtctl);
896 		} else {
897 			/* I2S SRT */
898 			hw_write_20kx(hw, SRTICTL, ctl->srtctl);
899 		}
900 		ctl->dirty.bf.srtctl = 0;
901 	}
902 
903 	return 0;
904 }
905 
906 static int dai_get_ctrl_blk(void **rblk)
907 {
908 	struct dai_ctrl_blk *blk;
909 
910 	*rblk = NULL;
911 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
912 	if (!blk)
913 		return -ENOMEM;
914 
915 	*rblk = blk;
916 
917 	return 0;
918 }
919 
920 static int dai_put_ctrl_blk(void *blk)
921 {
922 	kfree((struct dai_ctrl_blk *)blk);
923 
924 	return 0;
925 }
926 
927 static int dao_set_spos(void *blk, unsigned int spos)
928 {
929 	((struct dao_ctrl_blk *)blk)->spos = spos;
930 	((struct dao_ctrl_blk *)blk)->dirty.bf.spos = 1;
931 	return 0;
932 }
933 
934 static int dao_commit_write(struct hw *hw, unsigned int idx, void *blk)
935 {
936 	struct dao_ctrl_blk *ctl = blk;
937 
938 	if (ctl->dirty.bf.spos) {
939 		if (idx < 4) {
940 			/* S/PDIF SPOSx */
941 			hw_write_20kx(hw, SPOS+0x4*idx, ctl->spos);
942 		}
943 		ctl->dirty.bf.spos = 0;
944 	}
945 
946 	return 0;
947 }
948 
949 static int dao_get_spos(void *blk, unsigned int *spos)
950 {
951 	*spos = ((struct dao_ctrl_blk *)blk)->spos;
952 	return 0;
953 }
954 
955 static int dao_get_ctrl_blk(void **rblk)
956 {
957 	struct dao_ctrl_blk *blk;
958 
959 	*rblk = NULL;
960 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
961 	if (!blk)
962 		return -ENOMEM;
963 
964 	*rblk = blk;
965 
966 	return 0;
967 }
968 
969 static int dao_put_ctrl_blk(void *blk)
970 {
971 	kfree((struct dao_ctrl_blk *)blk);
972 
973 	return 0;
974 }
975 
976 static int daio_mgr_enb_dai(void *blk, unsigned int idx)
977 {
978 	struct daio_mgr_ctrl_blk *ctl = blk;
979 
980 	if (idx < 4) {
981 		/* S/PDIF input */
982 		set_field(&ctl->spictl, SPICTL_EN << (idx*8), 1);
983 		ctl->dirty.bf.spictl |= (0x1 << idx);
984 	} else {
985 		/* I2S input */
986 		idx %= 4;
987 		set_field(&ctl->i2sctl, I2SCTL_EI << (idx*8), 1);
988 		ctl->dirty.bf.i2sictl |= (0x1 << idx);
989 	}
990 	return 0;
991 }
992 
993 static int daio_mgr_dsb_dai(void *blk, unsigned int idx)
994 {
995 	struct daio_mgr_ctrl_blk *ctl = blk;
996 
997 	if (idx < 4) {
998 		/* S/PDIF input */
999 		set_field(&ctl->spictl, SPICTL_EN << (idx*8), 0);
1000 		ctl->dirty.bf.spictl |= (0x1 << idx);
1001 	} else {
1002 		/* I2S input */
1003 		idx %= 4;
1004 		set_field(&ctl->i2sctl, I2SCTL_EI << (idx*8), 0);
1005 		ctl->dirty.bf.i2sictl |= (0x1 << idx);
1006 	}
1007 	return 0;
1008 }
1009 
1010 static int daio_mgr_enb_dao(void *blk, unsigned int idx)
1011 {
1012 	struct daio_mgr_ctrl_blk *ctl = blk;
1013 
1014 	if (idx < 4) {
1015 		/* S/PDIF output */
1016 		set_field(&ctl->spoctl, SPOCTL_OE << (idx*8), 1);
1017 		ctl->dirty.bf.spoctl |= (0x1 << idx);
1018 	} else {
1019 		/* I2S output */
1020 		idx %= 4;
1021 		set_field(&ctl->i2sctl, I2SCTL_EA << (idx*8), 1);
1022 		ctl->dirty.bf.i2soctl |= (0x1 << idx);
1023 	}
1024 	return 0;
1025 }
1026 
1027 static int daio_mgr_dsb_dao(void *blk, unsigned int idx)
1028 {
1029 	struct daio_mgr_ctrl_blk *ctl = blk;
1030 
1031 	if (idx < 4) {
1032 		/* S/PDIF output */
1033 		set_field(&ctl->spoctl, SPOCTL_OE << (idx*8), 0);
1034 		ctl->dirty.bf.spoctl |= (0x1 << idx);
1035 	} else {
1036 		/* I2S output */
1037 		idx %= 4;
1038 		set_field(&ctl->i2sctl, I2SCTL_EA << (idx*8), 0);
1039 		ctl->dirty.bf.i2soctl |= (0x1 << idx);
1040 	}
1041 	return 0;
1042 }
1043 
1044 static int daio_mgr_dao_init(void *blk, unsigned int idx, unsigned int conf)
1045 {
1046 	struct daio_mgr_ctrl_blk *ctl = blk;
1047 
1048 	if (idx < 4) {
1049 		/* S/PDIF output */
1050 		switch ((conf & 0x7)) {
1051 		case 0:
1052 			set_field(&ctl->spoctl, SPOCTL_SR << (idx*8), 3);
1053 			break; /* CDIF */
1054 		case 1:
1055 			set_field(&ctl->spoctl, SPOCTL_SR << (idx*8), 0);
1056 			break;
1057 		case 2:
1058 			set_field(&ctl->spoctl, SPOCTL_SR << (idx*8), 1);
1059 			break;
1060 		case 4:
1061 			set_field(&ctl->spoctl, SPOCTL_SR << (idx*8), 2);
1062 			break;
1063 		default:
1064 			break;
1065 		}
1066 		set_field(&ctl->spoctl, SPOCTL_LIV << (idx*8),
1067 			  (conf >> 4) & 0x1); /* Non-audio */
1068 		set_field(&ctl->spoctl, SPOCTL_RIV << (idx*8),
1069 			  (conf >> 4) & 0x1); /* Non-audio */
1070 		set_field(&ctl->spoctl, SPOCTL_OS << (idx*8),
1071 			  ((conf >> 3) & 0x1) ? 2 : 2); /* Raw */
1072 
1073 		ctl->dirty.bf.spoctl |= (0x1 << idx);
1074 	} else {
1075 		/* I2S output */
1076 		/*idx %= 4; */
1077 	}
1078 	return 0;
1079 }
1080 
1081 static int daio_mgr_set_imaparc(void *blk, unsigned int slot)
1082 {
1083 	struct daio_mgr_ctrl_blk *ctl = blk;
1084 
1085 	set_field(&ctl->daoimap.aim, AIM_ARC, slot);
1086 	ctl->dirty.bf.daoimap = 1;
1087 	return 0;
1088 }
1089 
1090 static int daio_mgr_set_imapnxt(void *blk, unsigned int next)
1091 {
1092 	struct daio_mgr_ctrl_blk *ctl = blk;
1093 
1094 	set_field(&ctl->daoimap.aim, AIM_NXT, next);
1095 	ctl->dirty.bf.daoimap = 1;
1096 	return 0;
1097 }
1098 
1099 static int daio_mgr_set_imapaddr(void *blk, unsigned int addr)
1100 {
1101 	struct daio_mgr_ctrl_blk *ctl = blk;
1102 
1103 	ctl->daoimap.idx = addr;
1104 	ctl->dirty.bf.daoimap = 1;
1105 	return 0;
1106 }
1107 
1108 static int daio_mgr_commit_write(struct hw *hw, void *blk)
1109 {
1110 	struct daio_mgr_ctrl_blk *ctl = blk;
1111 	int i;
1112 
1113 	if (ctl->dirty.bf.i2sictl || ctl->dirty.bf.i2soctl) {
1114 		for (i = 0; i < 4; i++) {
1115 			if ((ctl->dirty.bf.i2sictl & (0x1 << i)))
1116 				ctl->dirty.bf.i2sictl &= ~(0x1 << i);
1117 
1118 			if ((ctl->dirty.bf.i2soctl & (0x1 << i)))
1119 				ctl->dirty.bf.i2soctl &= ~(0x1 << i);
1120 		}
1121 		hw_write_20kx(hw, I2SCTL, ctl->i2sctl);
1122 		mdelay(1);
1123 	}
1124 	if (ctl->dirty.bf.spoctl) {
1125 		for (i = 0; i < 4; i++) {
1126 			if ((ctl->dirty.bf.spoctl & (0x1 << i)))
1127 				ctl->dirty.bf.spoctl &= ~(0x1 << i);
1128 		}
1129 		hw_write_20kx(hw, SPOCTL, ctl->spoctl);
1130 		mdelay(1);
1131 	}
1132 	if (ctl->dirty.bf.spictl) {
1133 		for (i = 0; i < 4; i++) {
1134 			if ((ctl->dirty.bf.spictl & (0x1 << i)))
1135 				ctl->dirty.bf.spictl &= ~(0x1 << i);
1136 		}
1137 		hw_write_20kx(hw, SPICTL, ctl->spictl);
1138 		mdelay(1);
1139 	}
1140 	if (ctl->dirty.bf.daoimap) {
1141 		hw_write_20kx(hw, DAOIMAP+ctl->daoimap.idx*4,
1142 					ctl->daoimap.aim);
1143 		ctl->dirty.bf.daoimap = 0;
1144 	}
1145 
1146 	return 0;
1147 }
1148 
1149 static int daio_mgr_get_ctrl_blk(struct hw *hw, void **rblk)
1150 {
1151 	struct daio_mgr_ctrl_blk *blk;
1152 
1153 	*rblk = NULL;
1154 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
1155 	if (!blk)
1156 		return -ENOMEM;
1157 
1158 	blk->i2sctl = hw_read_20kx(hw, I2SCTL);
1159 	blk->spoctl = hw_read_20kx(hw, SPOCTL);
1160 	blk->spictl = hw_read_20kx(hw, SPICTL);
1161 
1162 	*rblk = blk;
1163 
1164 	return 0;
1165 }
1166 
1167 static int daio_mgr_put_ctrl_blk(void *blk)
1168 {
1169 	kfree((struct daio_mgr_ctrl_blk *)blk);
1170 
1171 	return 0;
1172 }
1173 
1174 /* Timer interrupt */
1175 static int set_timer_irq(struct hw *hw, int enable)
1176 {
1177 	hw_write_20kx(hw, GIE, enable ? IT_INT : 0);
1178 	return 0;
1179 }
1180 
1181 static int set_timer_tick(struct hw *hw, unsigned int ticks)
1182 {
1183 	if (ticks)
1184 		ticks |= TIMR_IE | TIMR_IP;
1185 	hw_write_20kx(hw, TIMR, ticks);
1186 	return 0;
1187 }
1188 
1189 static unsigned int get_wc(struct hw *hw)
1190 {
1191 	return hw_read_20kx(hw, WC);
1192 }
1193 
1194 /* Card hardware initialization block */
1195 struct dac_conf {
1196 	unsigned int msr; /* master sample rate in rsrs */
1197 };
1198 
1199 struct adc_conf {
1200 	unsigned int msr; 	/* master sample rate in rsrs */
1201 	unsigned char input; 	/* the input source of ADC */
1202 	unsigned char mic20db; 	/* boost mic by 20db if input is microphone */
1203 };
1204 
1205 struct daio_conf {
1206 	unsigned int msr; /* master sample rate in rsrs */
1207 };
1208 
1209 struct trn_conf {
1210 	unsigned long vm_pgt_phys;
1211 };
1212 
1213 static int hw_daio_init(struct hw *hw, const struct daio_conf *info)
1214 {
1215 	u32 i2sorg;
1216 	u32 spdorg;
1217 
1218 	/* Read I2S CTL.  Keep original value. */
1219 	/*i2sorg = hw_read_20kx(hw, I2SCTL);*/
1220 	i2sorg = 0x94040404; /* enable all audio out and I2S-D input */
1221 	/* Program I2S with proper master sample rate and enable
1222 	 * the correct I2S channel. */
1223 	i2sorg &= 0xfffffffc;
1224 
1225 	/* Enable S/PDIF-out-A in fixed 24-bit data
1226 	 * format and default to 48kHz. */
1227 	/* Disable all before doing any changes. */
1228 	hw_write_20kx(hw, SPOCTL, 0x0);
1229 	spdorg = 0x05;
1230 
1231 	switch (info->msr) {
1232 	case 1:
1233 		i2sorg |= 1;
1234 		spdorg |= (0x0 << 6);
1235 		break;
1236 	case 2:
1237 		i2sorg |= 2;
1238 		spdorg |= (0x1 << 6);
1239 		break;
1240 	case 4:
1241 		i2sorg |= 3;
1242 		spdorg |= (0x2 << 6);
1243 		break;
1244 	default:
1245 		i2sorg |= 1;
1246 		break;
1247 	}
1248 
1249 	hw_write_20kx(hw, I2SCTL, i2sorg);
1250 	hw_write_20kx(hw, SPOCTL, spdorg);
1251 
1252 	/* Enable S/PDIF-in-A in fixed 24-bit data format. */
1253 	/* Disable all before doing any changes. */
1254 	hw_write_20kx(hw, SPICTL, 0x0);
1255 	mdelay(1);
1256 	spdorg = 0x0a0a0a0a;
1257 	hw_write_20kx(hw, SPICTL, spdorg);
1258 	mdelay(1);
1259 
1260 	return 0;
1261 }
1262 
1263 /* TRANSPORT operations */
1264 static int hw_trn_init(struct hw *hw, const struct trn_conf *info)
1265 {
1266 	u32 trnctl;
1267 	u32 ptp_phys_low, ptp_phys_high;
1268 
1269 	/* Set up device page table */
1270 	if ((~0UL) == info->vm_pgt_phys) {
1271 		printk(KERN_ERR "Wrong device page table page address!\n");
1272 		return -1;
1273 	}
1274 
1275 	trnctl = 0x13;  /* 32-bit, 4k-size page */
1276 	ptp_phys_low = (u32)info->vm_pgt_phys;
1277 	ptp_phys_high = upper_32_bits(info->vm_pgt_phys);
1278 	if (sizeof(void *) == 8) /* 64bit address */
1279 		trnctl |= (1 << 2);
1280 #if 0 /* Only 4k h/w pages for simplicitiy */
1281 #if PAGE_SIZE == 8192
1282 	trnctl |= (1<<5);
1283 #endif
1284 #endif
1285 	hw_write_20kx(hw, PTPALX, ptp_phys_low);
1286 	hw_write_20kx(hw, PTPAHX, ptp_phys_high);
1287 	hw_write_20kx(hw, TRNCTL, trnctl);
1288 	hw_write_20kx(hw, TRNIS, 0x200c01); /* really needed? */
1289 
1290 	return 0;
1291 }
1292 
1293 /* Card initialization */
1294 #define GCTL_EAC	0x00000001
1295 #define GCTL_EAI	0x00000002
1296 #define GCTL_BEP	0x00000004
1297 #define GCTL_BES	0x00000008
1298 #define GCTL_DSP	0x00000010
1299 #define GCTL_DBP	0x00000020
1300 #define GCTL_ABP	0x00000040
1301 #define GCTL_TBP	0x00000080
1302 #define GCTL_SBP	0x00000100
1303 #define GCTL_FBP	0x00000200
1304 #define GCTL_XA		0x00000400
1305 #define GCTL_ET		0x00000800
1306 #define GCTL_PR		0x00001000
1307 #define GCTL_MRL	0x00002000
1308 #define GCTL_SDE	0x00004000
1309 #define GCTL_SDI	0x00008000
1310 #define GCTL_SM		0x00010000
1311 #define GCTL_SR		0x00020000
1312 #define GCTL_SD		0x00040000
1313 #define GCTL_SE		0x00080000
1314 #define GCTL_AID	0x00100000
1315 
1316 static int hw_pll_init(struct hw *hw, unsigned int rsr)
1317 {
1318 	unsigned int pllctl;
1319 	int i;
1320 
1321 	pllctl = (48000 == rsr) ? 0x1480a001 : 0x1480a731;
1322 	for (i = 0; i < 3; i++) {
1323 		if (hw_read_20kx(hw, PLLCTL) == pllctl)
1324 			break;
1325 
1326 		hw_write_20kx(hw, PLLCTL, pllctl);
1327 		mdelay(40);
1328 	}
1329 	if (i >= 3) {
1330 		printk(KERN_ALERT "PLL initialization failed!!!\n");
1331 		return -EBUSY;
1332 	}
1333 
1334 	return 0;
1335 }
1336 
1337 static int hw_auto_init(struct hw *hw)
1338 {
1339 	unsigned int gctl;
1340 	int i;
1341 
1342 	gctl = hw_read_20kx(hw, GCTL);
1343 	set_field(&gctl, GCTL_EAI, 0);
1344 	hw_write_20kx(hw, GCTL, gctl);
1345 	set_field(&gctl, GCTL_EAI, 1);
1346 	hw_write_20kx(hw, GCTL, gctl);
1347 	mdelay(10);
1348 	for (i = 0; i < 400000; i++) {
1349 		gctl = hw_read_20kx(hw, GCTL);
1350 		if (get_field(gctl, GCTL_AID))
1351 			break;
1352 	}
1353 	if (!get_field(gctl, GCTL_AID)) {
1354 		printk(KERN_ALERT "Card Auto-init failed!!!\n");
1355 		return -EBUSY;
1356 	}
1357 
1358 	return 0;
1359 }
1360 
1361 static int i2c_unlock(struct hw *hw)
1362 {
1363 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1364 		return 0;
1365 
1366 	hw_write_pci(hw, 0xcc, 0x8c);
1367 	hw_write_pci(hw, 0xcc, 0x0e);
1368 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1369 		return 0;
1370 
1371 	hw_write_pci(hw, 0xcc, 0xee);
1372 	hw_write_pci(hw, 0xcc, 0xaa);
1373 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1374 		return 0;
1375 
1376 	return -1;
1377 }
1378 
1379 static void i2c_lock(struct hw *hw)
1380 {
1381 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1382 		hw_write_pci(hw, 0xcc, 0x00);
1383 }
1384 
1385 static void i2c_write(struct hw *hw, u32 device, u32 addr, u32 data)
1386 {
1387 	unsigned int ret;
1388 
1389 	do {
1390 		ret = hw_read_pci(hw, 0xEC);
1391 	} while (!(ret & 0x800000));
1392 	hw_write_pci(hw, 0xE0, device);
1393 	hw_write_pci(hw, 0xE4, (data << 8) | (addr & 0xff));
1394 }
1395 
1396 /* DAC operations */
1397 
1398 static int hw_reset_dac(struct hw *hw)
1399 {
1400 	u32 i;
1401 	u16 gpioorg;
1402 	unsigned int ret;
1403 
1404 	if (i2c_unlock(hw))
1405 		return -1;
1406 
1407 	do {
1408 		ret = hw_read_pci(hw, 0xEC);
1409 	} while (!(ret & 0x800000));
1410 	hw_write_pci(hw, 0xEC, 0x05);  /* write to i2c status control */
1411 
1412 	/* To be effective, need to reset the DAC twice. */
1413 	for (i = 0; i < 2;  i++) {
1414 		/* set gpio */
1415 		mdelay(100);
1416 		gpioorg = (u16)hw_read_20kx(hw, GPIO);
1417 		gpioorg &= 0xfffd;
1418 		hw_write_20kx(hw, GPIO, gpioorg);
1419 		mdelay(1);
1420 		hw_write_20kx(hw, GPIO, gpioorg | 0x2);
1421 	}
1422 
1423 	i2c_write(hw, 0x00180080, 0x01, 0x80);
1424 	i2c_write(hw, 0x00180080, 0x02, 0x10);
1425 
1426 	i2c_lock(hw);
1427 
1428 	return 0;
1429 }
1430 
1431 static int hw_dac_init(struct hw *hw, const struct dac_conf *info)
1432 {
1433 	u32 data;
1434 	u16 gpioorg;
1435 	unsigned int ret;
1436 
1437 	if (hw->model == CTSB055X) {
1438 		/* SB055x, unmute outputs */
1439 		gpioorg = (u16)hw_read_20kx(hw, GPIO);
1440 		gpioorg &= 0xffbf;	/* set GPIO6 to low */
1441 		gpioorg |= 2;		/* set GPIO1 to high */
1442 		hw_write_20kx(hw, GPIO, gpioorg);
1443 		return 0;
1444 	}
1445 
1446 	/* mute outputs */
1447 	gpioorg = (u16)hw_read_20kx(hw, GPIO);
1448 	gpioorg &= 0xffbf;
1449 	hw_write_20kx(hw, GPIO, gpioorg);
1450 
1451 	hw_reset_dac(hw);
1452 
1453 	if (i2c_unlock(hw))
1454 		return -1;
1455 
1456 	hw_write_pci(hw, 0xEC, 0x05);  /* write to i2c status control */
1457 	do {
1458 		ret = hw_read_pci(hw, 0xEC);
1459 	} while (!(ret & 0x800000));
1460 
1461 	switch (info->msr) {
1462 	case 1:
1463 		data = 0x24;
1464 		break;
1465 	case 2:
1466 		data = 0x25;
1467 		break;
1468 	case 4:
1469 		data = 0x26;
1470 		break;
1471 	default:
1472 		data = 0x24;
1473 		break;
1474 	}
1475 
1476 	i2c_write(hw, 0x00180080, 0x06, data);
1477 	i2c_write(hw, 0x00180080, 0x09, data);
1478 	i2c_write(hw, 0x00180080, 0x0c, data);
1479 	i2c_write(hw, 0x00180080, 0x0f, data);
1480 
1481 	i2c_lock(hw);
1482 
1483 	/* unmute outputs */
1484 	gpioorg = (u16)hw_read_20kx(hw, GPIO);
1485 	gpioorg = gpioorg | 0x40;
1486 	hw_write_20kx(hw, GPIO, gpioorg);
1487 
1488 	return 0;
1489 }
1490 
1491 /* ADC operations */
1492 
1493 static int is_adc_input_selected_SB055x(struct hw *hw, enum ADCSRC type)
1494 {
1495 	return 0;
1496 }
1497 
1498 static int is_adc_input_selected_SBx(struct hw *hw, enum ADCSRC type)
1499 {
1500 	u32 data;
1501 
1502 	data = hw_read_20kx(hw, GPIO);
1503 	switch (type) {
1504 	case ADC_MICIN:
1505 		data = ((data & (0x1<<7)) && (data & (0x1<<8)));
1506 		break;
1507 	case ADC_LINEIN:
1508 		data = (!(data & (0x1<<7)) && (data & (0x1<<8)));
1509 		break;
1510 	case ADC_NONE: /* Digital I/O */
1511 		data = (!(data & (0x1<<8)));
1512 		break;
1513 	default:
1514 		data = 0;
1515 	}
1516 	return data;
1517 }
1518 
1519 static int is_adc_input_selected_hendrix(struct hw *hw, enum ADCSRC type)
1520 {
1521 	u32 data;
1522 
1523 	data = hw_read_20kx(hw, GPIO);
1524 	switch (type) {
1525 	case ADC_MICIN:
1526 		data = (data & (0x1 << 7)) ? 1 : 0;
1527 		break;
1528 	case ADC_LINEIN:
1529 		data = (data & (0x1 << 7)) ? 0 : 1;
1530 		break;
1531 	default:
1532 		data = 0;
1533 	}
1534 	return data;
1535 }
1536 
1537 static int hw_is_adc_input_selected(struct hw *hw, enum ADCSRC type)
1538 {
1539 	switch (hw->model) {
1540 	case CTSB055X:
1541 		return is_adc_input_selected_SB055x(hw, type);
1542 	case CTSB073X:
1543 		return is_adc_input_selected_hendrix(hw, type);
1544 	case CTUAA:
1545 		return is_adc_input_selected_hendrix(hw, type);
1546 	default:
1547 		return is_adc_input_selected_SBx(hw, type);
1548 	}
1549 }
1550 
1551 static int
1552 adc_input_select_SB055x(struct hw *hw, enum ADCSRC type, unsigned char boost)
1553 {
1554 	u32 data;
1555 
1556 	/*
1557 	 * check and set the following GPIO bits accordingly
1558 	 * ADC_Gain		= GPIO2
1559 	 * DRM_off		= GPIO3
1560 	 * Mic_Pwr_on		= GPIO7
1561 	 * Digital_IO_Sel	= GPIO8
1562 	 * Mic_Sw		= GPIO9
1563 	 * Aux/MicLine_Sw	= GPIO12
1564 	 */
1565 	data = hw_read_20kx(hw, GPIO);
1566 	data &= 0xec73;
1567 	switch (type) {
1568 	case ADC_MICIN:
1569 		data |= (0x1<<7) | (0x1<<8) | (0x1<<9) ;
1570 		data |= boost ? (0x1<<2) : 0;
1571 		break;
1572 	case ADC_LINEIN:
1573 		data |= (0x1<<8);
1574 		break;
1575 	case ADC_AUX:
1576 		data |= (0x1<<8) | (0x1<<12);
1577 		break;
1578 	case ADC_NONE:
1579 		data |= (0x1<<12);  /* set to digital */
1580 		break;
1581 	default:
1582 		return -1;
1583 	}
1584 
1585 	hw_write_20kx(hw, GPIO, data);
1586 
1587 	return 0;
1588 }
1589 
1590 
1591 static int
1592 adc_input_select_SBx(struct hw *hw, enum ADCSRC type, unsigned char boost)
1593 {
1594 	u32 data;
1595 	u32 i2c_data;
1596 	unsigned int ret;
1597 
1598 	if (i2c_unlock(hw))
1599 		return -1;
1600 
1601 	do {
1602 		ret = hw_read_pci(hw, 0xEC);
1603 	} while (!(ret & 0x800000)); /* i2c ready poll */
1604 	/* set i2c access mode as Direct Control */
1605 	hw_write_pci(hw, 0xEC, 0x05);
1606 
1607 	data = hw_read_20kx(hw, GPIO);
1608 	switch (type) {
1609 	case ADC_MICIN:
1610 		data |= ((0x1 << 7) | (0x1 << 8));
1611 		i2c_data = 0x1;  /* Mic-in */
1612 		break;
1613 	case ADC_LINEIN:
1614 		data &= ~(0x1 << 7);
1615 		data |= (0x1 << 8);
1616 		i2c_data = 0x2; /* Line-in */
1617 		break;
1618 	case ADC_NONE:
1619 		data &= ~(0x1 << 8);
1620 		i2c_data = 0x0; /* set to Digital */
1621 		break;
1622 	default:
1623 		i2c_lock(hw);
1624 		return -1;
1625 	}
1626 	hw_write_20kx(hw, GPIO, data);
1627 	i2c_write(hw, 0x001a0080, 0x2a, i2c_data);
1628 	if (boost) {
1629 		i2c_write(hw, 0x001a0080, 0x1c, 0xe7); /* +12dB boost */
1630 		i2c_write(hw, 0x001a0080, 0x1e, 0xe7); /* +12dB boost */
1631 	} else {
1632 		i2c_write(hw, 0x001a0080, 0x1c, 0xcf); /* No boost */
1633 		i2c_write(hw, 0x001a0080, 0x1e, 0xcf); /* No boost */
1634 	}
1635 
1636 	i2c_lock(hw);
1637 
1638 	return 0;
1639 }
1640 
1641 static int
1642 adc_input_select_hendrix(struct hw *hw, enum ADCSRC type, unsigned char boost)
1643 {
1644 	u32 data;
1645 	u32 i2c_data;
1646 	unsigned int ret;
1647 
1648 	if (i2c_unlock(hw))
1649 		return -1;
1650 
1651 	do {
1652 		ret = hw_read_pci(hw, 0xEC);
1653 	} while (!(ret & 0x800000)); /* i2c ready poll */
1654 	/* set i2c access mode as Direct Control */
1655 	hw_write_pci(hw, 0xEC, 0x05);
1656 
1657 	data = hw_read_20kx(hw, GPIO);
1658 	switch (type) {
1659 	case ADC_MICIN:
1660 		data |= (0x1 << 7);
1661 		i2c_data = 0x1;  /* Mic-in */
1662 		break;
1663 	case ADC_LINEIN:
1664 		data &= ~(0x1 << 7);
1665 		i2c_data = 0x2; /* Line-in */
1666 		break;
1667 	default:
1668 		i2c_lock(hw);
1669 		return -1;
1670 	}
1671 	hw_write_20kx(hw, GPIO, data);
1672 	i2c_write(hw, 0x001a0080, 0x2a, i2c_data);
1673 	if (boost) {
1674 		i2c_write(hw, 0x001a0080, 0x1c, 0xe7); /* +12dB boost */
1675 		i2c_write(hw, 0x001a0080, 0x1e, 0xe7); /* +12dB boost */
1676 	} else {
1677 		i2c_write(hw, 0x001a0080, 0x1c, 0xcf); /* No boost */
1678 		i2c_write(hw, 0x001a0080, 0x1e, 0xcf); /* No boost */
1679 	}
1680 
1681 	i2c_lock(hw);
1682 
1683 	return 0;
1684 }
1685 
1686 static int hw_adc_input_select(struct hw *hw, enum ADCSRC type)
1687 {
1688 	int state = type == ADC_MICIN;
1689 
1690 	switch (hw->model) {
1691 	case CTSB055X:
1692 		return adc_input_select_SB055x(hw, type, state);
1693 	case CTSB073X:
1694 		return adc_input_select_hendrix(hw, type, state);
1695 	case CTUAA:
1696 		return adc_input_select_hendrix(hw, type, state);
1697 	default:
1698 		return adc_input_select_SBx(hw, type, state);
1699 	}
1700 }
1701 
1702 static int adc_init_SB055x(struct hw *hw, int input, int mic20db)
1703 {
1704 	return adc_input_select_SB055x(hw, input, mic20db);
1705 }
1706 
1707 static int adc_init_SBx(struct hw *hw, int input, int mic20db)
1708 {
1709 	u16 gpioorg;
1710 	u16 input_source;
1711 	u32 adcdata;
1712 	unsigned int ret;
1713 
1714 	input_source = 0x100;  /* default to analog */
1715 	switch (input) {
1716 	case ADC_MICIN:
1717 		adcdata = 0x1;
1718 		input_source = 0x180;  /* set GPIO7 to select Mic */
1719 		break;
1720 	case ADC_LINEIN:
1721 		adcdata = 0x2;
1722 		break;
1723 	case ADC_VIDEO:
1724 		adcdata = 0x4;
1725 		break;
1726 	case ADC_AUX:
1727 		adcdata = 0x8;
1728 		break;
1729 	case ADC_NONE:
1730 		adcdata = 0x0;
1731 		input_source = 0x0;  /* set to Digital */
1732 		break;
1733 	default:
1734 		adcdata = 0x0;
1735 		break;
1736 	}
1737 
1738 	if (i2c_unlock(hw))
1739 		return -1;
1740 
1741 	do {
1742 		ret = hw_read_pci(hw, 0xEC);
1743 	} while (!(ret & 0x800000)); /* i2c ready poll */
1744 	hw_write_pci(hw, 0xEC, 0x05);  /* write to i2c status control */
1745 
1746 	i2c_write(hw, 0x001a0080, 0x0e, 0x08);
1747 	i2c_write(hw, 0x001a0080, 0x18, 0x0a);
1748 	i2c_write(hw, 0x001a0080, 0x28, 0x86);
1749 	i2c_write(hw, 0x001a0080, 0x2a, adcdata);
1750 
1751 	if (mic20db) {
1752 		i2c_write(hw, 0x001a0080, 0x1c, 0xf7);
1753 		i2c_write(hw, 0x001a0080, 0x1e, 0xf7);
1754 	} else {
1755 		i2c_write(hw, 0x001a0080, 0x1c, 0xcf);
1756 		i2c_write(hw, 0x001a0080, 0x1e, 0xcf);
1757 	}
1758 
1759 	if (!(hw_read_20kx(hw, ID0) & 0x100))
1760 		i2c_write(hw, 0x001a0080, 0x16, 0x26);
1761 
1762 	i2c_lock(hw);
1763 
1764 	gpioorg = (u16)hw_read_20kx(hw,  GPIO);
1765 	gpioorg &= 0xfe7f;
1766 	gpioorg |= input_source;
1767 	hw_write_20kx(hw, GPIO, gpioorg);
1768 
1769 	return 0;
1770 }
1771 
1772 static int hw_adc_init(struct hw *hw, const struct adc_conf *info)
1773 {
1774 	if (hw->model == CTSB055X)
1775 		return adc_init_SB055x(hw, info->input, info->mic20db);
1776 	else
1777 		return adc_init_SBx(hw, info->input, info->mic20db);
1778 }
1779 
1780 static struct capabilities hw_capabilities(struct hw *hw)
1781 {
1782 	struct capabilities cap;
1783 
1784 	/* SB073x and Vista compatible cards have no digit IO switch */
1785 	cap.digit_io_switch = !(hw->model == CTSB073X || hw->model == CTUAA);
1786 	cap.dedicated_mic = 0;
1787 	cap.output_switch = 0;
1788 	cap.mic_source_switch = 0;
1789 
1790 	return cap;
1791 }
1792 
1793 #define CTLBITS(a, b, c, d)	(((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
1794 
1795 #define UAA_CFG_PWRSTATUS	0x44
1796 #define UAA_CFG_SPACE_FLAG	0xA0
1797 #define UAA_CORE_CHANGE		0x3FFC
1798 static int uaa_to_xfi(struct pci_dev *pci)
1799 {
1800 	unsigned int bar0, bar1, bar2, bar3, bar4, bar5;
1801 	unsigned int cmd, irq, cl_size, l_timer, pwr;
1802 	unsigned int is_uaa;
1803 	unsigned int data[4] = {0};
1804 	unsigned int io_base;
1805 	void *mem_base;
1806 	int i;
1807 	const u32 CTLX = CTLBITS('C', 'T', 'L', 'X');
1808 	const u32 CTL_ = CTLBITS('C', 'T', 'L', '-');
1809 	const u32 CTLF = CTLBITS('C', 'T', 'L', 'F');
1810 	const u32 CTLi = CTLBITS('C', 'T', 'L', 'i');
1811 	const u32 CTLA = CTLBITS('C', 'T', 'L', 'A');
1812 	const u32 CTLZ = CTLBITS('C', 'T', 'L', 'Z');
1813 	const u32 CTLL = CTLBITS('C', 'T', 'L', 'L');
1814 
1815 	/* By default, Hendrix card UAA Bar0 should be using memory... */
1816 	io_base = pci_resource_start(pci, 0);
1817 	mem_base = ioremap(io_base, pci_resource_len(pci, 0));
1818 	if (!mem_base)
1819 		return -ENOENT;
1820 
1821 	/* Read current mode from Mode Change Register */
1822 	for (i = 0; i < 4; i++)
1823 		data[i] = readl(mem_base + UAA_CORE_CHANGE);
1824 
1825 	/* Determine current mode... */
1826 	if (data[0] == CTLA) {
1827 		is_uaa = ((data[1] == CTLZ && data[2] == CTLL
1828 			  && data[3] == CTLA) || (data[1] == CTLA
1829 			  && data[2] == CTLZ && data[3] == CTLL));
1830 	} else if (data[0] == CTLZ) {
1831 		is_uaa = (data[1] == CTLL
1832 				&& data[2] == CTLA && data[3] == CTLA);
1833 	} else if (data[0] == CTLL) {
1834 		is_uaa = (data[1] == CTLA
1835 				&& data[2] == CTLA && data[3] == CTLZ);
1836 	} else {
1837 		is_uaa = 0;
1838 	}
1839 
1840 	if (!is_uaa) {
1841 		/* Not in UAA mode currently. Return directly. */
1842 		iounmap(mem_base);
1843 		return 0;
1844 	}
1845 
1846 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_0, &bar0);
1847 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_1, &bar1);
1848 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_2, &bar2);
1849 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_3, &bar3);
1850 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_4, &bar4);
1851 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_5, &bar5);
1852 	pci_read_config_dword(pci, PCI_INTERRUPT_LINE, &irq);
1853 	pci_read_config_dword(pci, PCI_CACHE_LINE_SIZE, &cl_size);
1854 	pci_read_config_dword(pci, PCI_LATENCY_TIMER, &l_timer);
1855 	pci_read_config_dword(pci, UAA_CFG_PWRSTATUS, &pwr);
1856 	pci_read_config_dword(pci, PCI_COMMAND, &cmd);
1857 
1858 	/* Set up X-Fi core PCI configuration space. */
1859 	/* Switch to X-Fi config space with BAR0 exposed. */
1860 	pci_write_config_dword(pci, UAA_CFG_SPACE_FLAG, 0x87654321);
1861 	/* Copy UAA's BAR5 into X-Fi BAR0 */
1862 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_0, bar5);
1863 	/* Switch to X-Fi config space without BAR0 exposed. */
1864 	pci_write_config_dword(pci, UAA_CFG_SPACE_FLAG, 0x12345678);
1865 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, bar1);
1866 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_2, bar2);
1867 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_3, bar3);
1868 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_4, bar4);
1869 	pci_write_config_dword(pci, PCI_INTERRUPT_LINE, irq);
1870 	pci_write_config_dword(pci, PCI_CACHE_LINE_SIZE, cl_size);
1871 	pci_write_config_dword(pci, PCI_LATENCY_TIMER, l_timer);
1872 	pci_write_config_dword(pci, UAA_CFG_PWRSTATUS, pwr);
1873 	pci_write_config_dword(pci, PCI_COMMAND, cmd);
1874 
1875 	/* Switch to X-Fi mode */
1876 	writel(CTLX, (mem_base + UAA_CORE_CHANGE));
1877 	writel(CTL_, (mem_base + UAA_CORE_CHANGE));
1878 	writel(CTLF, (mem_base + UAA_CORE_CHANGE));
1879 	writel(CTLi, (mem_base + UAA_CORE_CHANGE));
1880 
1881 	iounmap(mem_base);
1882 
1883 	return 0;
1884 }
1885 
1886 static irqreturn_t ct_20k1_interrupt(int irq, void *dev_id)
1887 {
1888 	struct hw *hw = dev_id;
1889 	unsigned int status;
1890 
1891 	status = hw_read_20kx(hw, GIP);
1892 	if (!status)
1893 		return IRQ_NONE;
1894 
1895 	if (hw->irq_callback)
1896 		hw->irq_callback(hw->irq_callback_data, status);
1897 
1898 	hw_write_20kx(hw, GIP, status);
1899 	return IRQ_HANDLED;
1900 }
1901 
1902 static int hw_card_start(struct hw *hw)
1903 {
1904 	int err;
1905 	struct pci_dev *pci = hw->pci;
1906 
1907 	err = pci_enable_device(pci);
1908 	if (err < 0)
1909 		return err;
1910 
1911 	/* Set DMA transfer mask */
1912 	if (pci_set_dma_mask(pci, CT_XFI_DMA_MASK) < 0 ||
1913 	    pci_set_consistent_dma_mask(pci, CT_XFI_DMA_MASK) < 0) {
1914 		printk(KERN_ERR "architecture does not support PCI "
1915 				"busmaster DMA with mask 0x%llx\n",
1916 		       CT_XFI_DMA_MASK);
1917 		err = -ENXIO;
1918 		goto error1;
1919 	}
1920 
1921 	if (!hw->io_base) {
1922 		err = pci_request_regions(pci, "XFi");
1923 		if (err < 0)
1924 			goto error1;
1925 
1926 		if (hw->model == CTUAA)
1927 			hw->io_base = pci_resource_start(pci, 5);
1928 		else
1929 			hw->io_base = pci_resource_start(pci, 0);
1930 
1931 	}
1932 
1933 	/* Switch to X-Fi mode from UAA mode if neeeded */
1934 	if (hw->model == CTUAA) {
1935 		err = uaa_to_xfi(pci);
1936 		if (err)
1937 			goto error2;
1938 
1939 	}
1940 
1941 	if (hw->irq < 0) {
1942 		err = request_irq(pci->irq, ct_20k1_interrupt, IRQF_SHARED,
1943 				  KBUILD_MODNAME, hw);
1944 		if (err < 0) {
1945 			printk(KERN_ERR "XFi: Cannot get irq %d\n", pci->irq);
1946 			goto error2;
1947 		}
1948 		hw->irq = pci->irq;
1949 	}
1950 
1951 	pci_set_master(pci);
1952 
1953 	return 0;
1954 
1955 error2:
1956 	pci_release_regions(pci);
1957 	hw->io_base = 0;
1958 error1:
1959 	pci_disable_device(pci);
1960 	return err;
1961 }
1962 
1963 static int hw_card_stop(struct hw *hw)
1964 {
1965 	unsigned int data;
1966 
1967 	/* disable transport bus master and queueing of request */
1968 	hw_write_20kx(hw, TRNCTL, 0x00);
1969 
1970 	/* disable pll */
1971 	data = hw_read_20kx(hw, PLLCTL);
1972 	hw_write_20kx(hw, PLLCTL, (data & (~(0x0F<<12))));
1973 
1974 	/* TODO: Disable interrupt and so on... */
1975 	if (hw->irq >= 0)
1976 		synchronize_irq(hw->irq);
1977 	return 0;
1978 }
1979 
1980 static int hw_card_shutdown(struct hw *hw)
1981 {
1982 	if (hw->irq >= 0)
1983 		free_irq(hw->irq, hw);
1984 
1985 	hw->irq	= -1;
1986 
1987 	if (hw->mem_base)
1988 		iounmap((void *)hw->mem_base);
1989 
1990 	hw->mem_base = (unsigned long)NULL;
1991 
1992 	if (hw->io_base)
1993 		pci_release_regions(hw->pci);
1994 
1995 	hw->io_base = 0;
1996 
1997 	pci_disable_device(hw->pci);
1998 
1999 	return 0;
2000 }
2001 
2002 static int hw_card_init(struct hw *hw, struct card_conf *info)
2003 {
2004 	int err;
2005 	unsigned int gctl;
2006 	u32 data;
2007 	struct dac_conf dac_info = {0};
2008 	struct adc_conf adc_info = {0};
2009 	struct daio_conf daio_info = {0};
2010 	struct trn_conf trn_info = {0};
2011 
2012 	/* Get PCI io port base address and do Hendrix switch if needed. */
2013 	err = hw_card_start(hw);
2014 	if (err)
2015 		return err;
2016 
2017 	/* PLL init */
2018 	err = hw_pll_init(hw, info->rsr);
2019 	if (err < 0)
2020 		return err;
2021 
2022 	/* kick off auto-init */
2023 	err = hw_auto_init(hw);
2024 	if (err < 0)
2025 		return err;
2026 
2027 	/* Enable audio ring */
2028 	gctl = hw_read_20kx(hw, GCTL);
2029 	set_field(&gctl, GCTL_EAC, 1);
2030 	set_field(&gctl, GCTL_DBP, 1);
2031 	set_field(&gctl, GCTL_TBP, 1);
2032 	set_field(&gctl, GCTL_FBP, 1);
2033 	set_field(&gctl, GCTL_ET, 1);
2034 	hw_write_20kx(hw, GCTL, gctl);
2035 	mdelay(10);
2036 
2037 	/* Reset all global pending interrupts */
2038 	hw_write_20kx(hw, GIE, 0);
2039 	/* Reset all SRC pending interrupts */
2040 	hw_write_20kx(hw, SRCIP, 0);
2041 	mdelay(30);
2042 
2043 	/* Detect the card ID and configure GPIO accordingly. */
2044 	switch (hw->model) {
2045 	case CTSB055X:
2046 		hw_write_20kx(hw, GPIOCTL, 0x13fe);
2047 		break;
2048 	case CTSB073X:
2049 		hw_write_20kx(hw, GPIOCTL, 0x00e6);
2050 		break;
2051 	case CTUAA:
2052 		hw_write_20kx(hw, GPIOCTL, 0x00c2);
2053 		break;
2054 	default:
2055 		hw_write_20kx(hw, GPIOCTL, 0x01e6);
2056 		break;
2057 	}
2058 
2059 	trn_info.vm_pgt_phys = info->vm_pgt_phys;
2060 	err = hw_trn_init(hw, &trn_info);
2061 	if (err < 0)
2062 		return err;
2063 
2064 	daio_info.msr = info->msr;
2065 	err = hw_daio_init(hw, &daio_info);
2066 	if (err < 0)
2067 		return err;
2068 
2069 	dac_info.msr = info->msr;
2070 	err = hw_dac_init(hw, &dac_info);
2071 	if (err < 0)
2072 		return err;
2073 
2074 	adc_info.msr = info->msr;
2075 	adc_info.input = ADC_LINEIN;
2076 	adc_info.mic20db = 0;
2077 	err = hw_adc_init(hw, &adc_info);
2078 	if (err < 0)
2079 		return err;
2080 
2081 	data = hw_read_20kx(hw, SRCMCTL);
2082 	data |= 0x1; /* Enables input from the audio ring */
2083 	hw_write_20kx(hw, SRCMCTL, data);
2084 
2085 	return 0;
2086 }
2087 
2088 #ifdef CONFIG_PM_SLEEP
2089 static int hw_suspend(struct hw *hw)
2090 {
2091 	struct pci_dev *pci = hw->pci;
2092 
2093 	hw_card_stop(hw);
2094 
2095 	if (hw->model == CTUAA) {
2096 		/* Switch to UAA config space. */
2097 		pci_write_config_dword(pci, UAA_CFG_SPACE_FLAG, 0x0);
2098 	}
2099 
2100 	pci_disable_device(pci);
2101 	pci_save_state(pci);
2102 	pci_set_power_state(pci, PCI_D3hot);
2103 
2104 	return 0;
2105 }
2106 
2107 static int hw_resume(struct hw *hw, struct card_conf *info)
2108 {
2109 	struct pci_dev *pci = hw->pci;
2110 
2111 	pci_set_power_state(pci, PCI_D0);
2112 	pci_restore_state(pci);
2113 
2114 	/* Re-initialize card hardware. */
2115 	return hw_card_init(hw, info);
2116 }
2117 #endif
2118 
2119 static u32 hw_read_20kx(struct hw *hw, u32 reg)
2120 {
2121 	u32 value;
2122 	unsigned long flags;
2123 
2124 	spin_lock_irqsave(
2125 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2126 	outl(reg, hw->io_base + 0x0);
2127 	value = inl(hw->io_base + 0x4);
2128 	spin_unlock_irqrestore(
2129 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2130 
2131 	return value;
2132 }
2133 
2134 static void hw_write_20kx(struct hw *hw, u32 reg, u32 data)
2135 {
2136 	unsigned long flags;
2137 
2138 	spin_lock_irqsave(
2139 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2140 	outl(reg, hw->io_base + 0x0);
2141 	outl(data, hw->io_base + 0x4);
2142 	spin_unlock_irqrestore(
2143 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2144 
2145 }
2146 
2147 static u32 hw_read_pci(struct hw *hw, u32 reg)
2148 {
2149 	u32 value;
2150 	unsigned long flags;
2151 
2152 	spin_lock_irqsave(
2153 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2154 	outl(reg, hw->io_base + 0x10);
2155 	value = inl(hw->io_base + 0x14);
2156 	spin_unlock_irqrestore(
2157 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2158 
2159 	return value;
2160 }
2161 
2162 static void hw_write_pci(struct hw *hw, u32 reg, u32 data)
2163 {
2164 	unsigned long flags;
2165 
2166 	spin_lock_irqsave(
2167 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2168 	outl(reg, hw->io_base + 0x10);
2169 	outl(data, hw->io_base + 0x14);
2170 	spin_unlock_irqrestore(
2171 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2172 }
2173 
2174 static struct hw ct20k1_preset = {
2175 	.irq = -1,
2176 
2177 	.card_init = hw_card_init,
2178 	.card_stop = hw_card_stop,
2179 	.pll_init = hw_pll_init,
2180 	.is_adc_source_selected = hw_is_adc_input_selected,
2181 	.select_adc_source = hw_adc_input_select,
2182 	.capabilities = hw_capabilities,
2183 #ifdef CONFIG_PM_SLEEP
2184 	.suspend = hw_suspend,
2185 	.resume = hw_resume,
2186 #endif
2187 
2188 	.src_rsc_get_ctrl_blk = src_get_rsc_ctrl_blk,
2189 	.src_rsc_put_ctrl_blk = src_put_rsc_ctrl_blk,
2190 	.src_mgr_get_ctrl_blk = src_mgr_get_ctrl_blk,
2191 	.src_mgr_put_ctrl_blk = src_mgr_put_ctrl_blk,
2192 	.src_set_state = src_set_state,
2193 	.src_set_bm = src_set_bm,
2194 	.src_set_rsr = src_set_rsr,
2195 	.src_set_sf = src_set_sf,
2196 	.src_set_wr = src_set_wr,
2197 	.src_set_pm = src_set_pm,
2198 	.src_set_rom = src_set_rom,
2199 	.src_set_vo = src_set_vo,
2200 	.src_set_st = src_set_st,
2201 	.src_set_ie = src_set_ie,
2202 	.src_set_ilsz = src_set_ilsz,
2203 	.src_set_bp = src_set_bp,
2204 	.src_set_cisz = src_set_cisz,
2205 	.src_set_ca = src_set_ca,
2206 	.src_set_sa = src_set_sa,
2207 	.src_set_la = src_set_la,
2208 	.src_set_pitch = src_set_pitch,
2209 	.src_set_dirty = src_set_dirty,
2210 	.src_set_clear_zbufs = src_set_clear_zbufs,
2211 	.src_set_dirty_all = src_set_dirty_all,
2212 	.src_commit_write = src_commit_write,
2213 	.src_get_ca = src_get_ca,
2214 	.src_get_dirty = src_get_dirty,
2215 	.src_dirty_conj_mask = src_dirty_conj_mask,
2216 	.src_mgr_enbs_src = src_mgr_enbs_src,
2217 	.src_mgr_enb_src = src_mgr_enb_src,
2218 	.src_mgr_dsb_src = src_mgr_dsb_src,
2219 	.src_mgr_commit_write = src_mgr_commit_write,
2220 
2221 	.srcimp_mgr_get_ctrl_blk = srcimp_mgr_get_ctrl_blk,
2222 	.srcimp_mgr_put_ctrl_blk = srcimp_mgr_put_ctrl_blk,
2223 	.srcimp_mgr_set_imaparc = srcimp_mgr_set_imaparc,
2224 	.srcimp_mgr_set_imapuser = srcimp_mgr_set_imapuser,
2225 	.srcimp_mgr_set_imapnxt = srcimp_mgr_set_imapnxt,
2226 	.srcimp_mgr_set_imapaddr = srcimp_mgr_set_imapaddr,
2227 	.srcimp_mgr_commit_write = srcimp_mgr_commit_write,
2228 
2229 	.amixer_rsc_get_ctrl_blk = amixer_rsc_get_ctrl_blk,
2230 	.amixer_rsc_put_ctrl_blk = amixer_rsc_put_ctrl_blk,
2231 	.amixer_mgr_get_ctrl_blk = amixer_mgr_get_ctrl_blk,
2232 	.amixer_mgr_put_ctrl_blk = amixer_mgr_put_ctrl_blk,
2233 	.amixer_set_mode = amixer_set_mode,
2234 	.amixer_set_iv = amixer_set_iv,
2235 	.amixer_set_x = amixer_set_x,
2236 	.amixer_set_y = amixer_set_y,
2237 	.amixer_set_sadr = amixer_set_sadr,
2238 	.amixer_set_se = amixer_set_se,
2239 	.amixer_set_dirty = amixer_set_dirty,
2240 	.amixer_set_dirty_all = amixer_set_dirty_all,
2241 	.amixer_commit_write = amixer_commit_write,
2242 	.amixer_get_y = amixer_get_y,
2243 	.amixer_get_dirty = amixer_get_dirty,
2244 
2245 	.dai_get_ctrl_blk = dai_get_ctrl_blk,
2246 	.dai_put_ctrl_blk = dai_put_ctrl_blk,
2247 	.dai_srt_set_srco = dai_srt_set_srcr,
2248 	.dai_srt_set_srcm = dai_srt_set_srcl,
2249 	.dai_srt_set_rsr = dai_srt_set_rsr,
2250 	.dai_srt_set_drat = dai_srt_set_drat,
2251 	.dai_srt_set_ec = dai_srt_set_ec,
2252 	.dai_srt_set_et = dai_srt_set_et,
2253 	.dai_commit_write = dai_commit_write,
2254 
2255 	.dao_get_ctrl_blk = dao_get_ctrl_blk,
2256 	.dao_put_ctrl_blk = dao_put_ctrl_blk,
2257 	.dao_set_spos = dao_set_spos,
2258 	.dao_commit_write = dao_commit_write,
2259 	.dao_get_spos = dao_get_spos,
2260 
2261 	.daio_mgr_get_ctrl_blk = daio_mgr_get_ctrl_blk,
2262 	.daio_mgr_put_ctrl_blk = daio_mgr_put_ctrl_blk,
2263 	.daio_mgr_enb_dai = daio_mgr_enb_dai,
2264 	.daio_mgr_dsb_dai = daio_mgr_dsb_dai,
2265 	.daio_mgr_enb_dao = daio_mgr_enb_dao,
2266 	.daio_mgr_dsb_dao = daio_mgr_dsb_dao,
2267 	.daio_mgr_dao_init = daio_mgr_dao_init,
2268 	.daio_mgr_set_imaparc = daio_mgr_set_imaparc,
2269 	.daio_mgr_set_imapnxt = daio_mgr_set_imapnxt,
2270 	.daio_mgr_set_imapaddr = daio_mgr_set_imapaddr,
2271 	.daio_mgr_commit_write = daio_mgr_commit_write,
2272 
2273 	.set_timer_irq = set_timer_irq,
2274 	.set_timer_tick = set_timer_tick,
2275 	.get_wc = get_wc,
2276 };
2277 
2278 int create_20k1_hw_obj(struct hw **rhw)
2279 {
2280 	struct hw20k1 *hw20k1;
2281 
2282 	*rhw = NULL;
2283 	hw20k1 = kzalloc(sizeof(*hw20k1), GFP_KERNEL);
2284 	if (!hw20k1)
2285 		return -ENOMEM;
2286 
2287 	spin_lock_init(&hw20k1->reg_20k1_lock);
2288 	spin_lock_init(&hw20k1->reg_pci_lock);
2289 
2290 	hw20k1->hw = ct20k1_preset;
2291 
2292 	*rhw = &hw20k1->hw;
2293 
2294 	return 0;
2295 }
2296 
2297 int destroy_20k1_hw_obj(struct hw *hw)
2298 {
2299 	if (hw->io_base)
2300 		hw_card_shutdown(hw);
2301 
2302 	kfree(container_of(hw, struct hw20k1, hw));
2303 	return 0;
2304 }
2305