xref: /linux/sound/pci/ctxfi/cthw20k1.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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 		dev_err(hw->card->dev,
1272 			"Wrong device page table page address!\n");
1273 		return -1;
1274 	}
1275 
1276 	trnctl = 0x13;  /* 32-bit, 4k-size page */
1277 	ptp_phys_low = (u32)info->vm_pgt_phys;
1278 	ptp_phys_high = upper_32_bits(info->vm_pgt_phys);
1279 	if (sizeof(void *) == 8) /* 64bit address */
1280 		trnctl |= (1 << 2);
1281 #if 0 /* Only 4k h/w pages for simplicitiy */
1282 #if PAGE_SIZE == 8192
1283 	trnctl |= (1<<5);
1284 #endif
1285 #endif
1286 	hw_write_20kx(hw, PTPALX, ptp_phys_low);
1287 	hw_write_20kx(hw, PTPAHX, ptp_phys_high);
1288 	hw_write_20kx(hw, TRNCTL, trnctl);
1289 	hw_write_20kx(hw, TRNIS, 0x200c01); /* really needed? */
1290 
1291 	return 0;
1292 }
1293 
1294 /* Card initialization */
1295 #define GCTL_EAC	0x00000001
1296 #define GCTL_EAI	0x00000002
1297 #define GCTL_BEP	0x00000004
1298 #define GCTL_BES	0x00000008
1299 #define GCTL_DSP	0x00000010
1300 #define GCTL_DBP	0x00000020
1301 #define GCTL_ABP	0x00000040
1302 #define GCTL_TBP	0x00000080
1303 #define GCTL_SBP	0x00000100
1304 #define GCTL_FBP	0x00000200
1305 #define GCTL_XA		0x00000400
1306 #define GCTL_ET		0x00000800
1307 #define GCTL_PR		0x00001000
1308 #define GCTL_MRL	0x00002000
1309 #define GCTL_SDE	0x00004000
1310 #define GCTL_SDI	0x00008000
1311 #define GCTL_SM		0x00010000
1312 #define GCTL_SR		0x00020000
1313 #define GCTL_SD		0x00040000
1314 #define GCTL_SE		0x00080000
1315 #define GCTL_AID	0x00100000
1316 
1317 static int hw_pll_init(struct hw *hw, unsigned int rsr)
1318 {
1319 	unsigned int pllctl;
1320 	int i;
1321 
1322 	pllctl = (48000 == rsr) ? 0x1480a001 : 0x1480a731;
1323 	for (i = 0; i < 3; i++) {
1324 		if (hw_read_20kx(hw, PLLCTL) == pllctl)
1325 			break;
1326 
1327 		hw_write_20kx(hw, PLLCTL, pllctl);
1328 		mdelay(40);
1329 	}
1330 	if (i >= 3) {
1331 		dev_alert(hw->card->dev, "PLL initialization failed!!!\n");
1332 		return -EBUSY;
1333 	}
1334 
1335 	return 0;
1336 }
1337 
1338 static int hw_auto_init(struct hw *hw)
1339 {
1340 	unsigned int gctl;
1341 	int i;
1342 
1343 	gctl = hw_read_20kx(hw, GCTL);
1344 	set_field(&gctl, GCTL_EAI, 0);
1345 	hw_write_20kx(hw, GCTL, gctl);
1346 	set_field(&gctl, GCTL_EAI, 1);
1347 	hw_write_20kx(hw, GCTL, gctl);
1348 	mdelay(10);
1349 	for (i = 0; i < 400000; i++) {
1350 		gctl = hw_read_20kx(hw, GCTL);
1351 		if (get_field(gctl, GCTL_AID))
1352 			break;
1353 	}
1354 	if (!get_field(gctl, GCTL_AID)) {
1355 		dev_alert(hw->card->dev, "Card Auto-init failed!!!\n");
1356 		return -EBUSY;
1357 	}
1358 
1359 	return 0;
1360 }
1361 
1362 static int i2c_unlock(struct hw *hw)
1363 {
1364 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1365 		return 0;
1366 
1367 	hw_write_pci(hw, 0xcc, 0x8c);
1368 	hw_write_pci(hw, 0xcc, 0x0e);
1369 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1370 		return 0;
1371 
1372 	hw_write_pci(hw, 0xcc, 0xee);
1373 	hw_write_pci(hw, 0xcc, 0xaa);
1374 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1375 		return 0;
1376 
1377 	return -1;
1378 }
1379 
1380 static void i2c_lock(struct hw *hw)
1381 {
1382 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1383 		hw_write_pci(hw, 0xcc, 0x00);
1384 }
1385 
1386 static void i2c_write(struct hw *hw, u32 device, u32 addr, u32 data)
1387 {
1388 	unsigned int ret;
1389 
1390 	do {
1391 		ret = hw_read_pci(hw, 0xEC);
1392 	} while (!(ret & 0x800000));
1393 	hw_write_pci(hw, 0xE0, device);
1394 	hw_write_pci(hw, 0xE4, (data << 8) | (addr & 0xff));
1395 }
1396 
1397 /* DAC operations */
1398 
1399 static int hw_reset_dac(struct hw *hw)
1400 {
1401 	u32 i;
1402 	u16 gpioorg;
1403 	unsigned int ret;
1404 
1405 	if (i2c_unlock(hw))
1406 		return -1;
1407 
1408 	do {
1409 		ret = hw_read_pci(hw, 0xEC);
1410 	} while (!(ret & 0x800000));
1411 	hw_write_pci(hw, 0xEC, 0x05);  /* write to i2c status control */
1412 
1413 	/* To be effective, need to reset the DAC twice. */
1414 	for (i = 0; i < 2;  i++) {
1415 		/* set gpio */
1416 		mdelay(100);
1417 		gpioorg = (u16)hw_read_20kx(hw, GPIO);
1418 		gpioorg &= 0xfffd;
1419 		hw_write_20kx(hw, GPIO, gpioorg);
1420 		mdelay(1);
1421 		hw_write_20kx(hw, GPIO, gpioorg | 0x2);
1422 	}
1423 
1424 	i2c_write(hw, 0x00180080, 0x01, 0x80);
1425 	i2c_write(hw, 0x00180080, 0x02, 0x10);
1426 
1427 	i2c_lock(hw);
1428 
1429 	return 0;
1430 }
1431 
1432 static int hw_dac_init(struct hw *hw, const struct dac_conf *info)
1433 {
1434 	u32 data;
1435 	u16 gpioorg;
1436 	unsigned int ret;
1437 
1438 	if (hw->model == CTSB055X) {
1439 		/* SB055x, unmute outputs */
1440 		gpioorg = (u16)hw_read_20kx(hw, GPIO);
1441 		gpioorg &= 0xffbf;	/* set GPIO6 to low */
1442 		gpioorg |= 2;		/* set GPIO1 to high */
1443 		hw_write_20kx(hw, GPIO, gpioorg);
1444 		return 0;
1445 	}
1446 
1447 	/* mute outputs */
1448 	gpioorg = (u16)hw_read_20kx(hw, GPIO);
1449 	gpioorg &= 0xffbf;
1450 	hw_write_20kx(hw, GPIO, gpioorg);
1451 
1452 	hw_reset_dac(hw);
1453 
1454 	if (i2c_unlock(hw))
1455 		return -1;
1456 
1457 	hw_write_pci(hw, 0xEC, 0x05);  /* write to i2c status control */
1458 	do {
1459 		ret = hw_read_pci(hw, 0xEC);
1460 	} while (!(ret & 0x800000));
1461 
1462 	switch (info->msr) {
1463 	case 1:
1464 		data = 0x24;
1465 		break;
1466 	case 2:
1467 		data = 0x25;
1468 		break;
1469 	case 4:
1470 		data = 0x26;
1471 		break;
1472 	default:
1473 		data = 0x24;
1474 		break;
1475 	}
1476 
1477 	i2c_write(hw, 0x00180080, 0x06, data);
1478 	i2c_write(hw, 0x00180080, 0x09, data);
1479 	i2c_write(hw, 0x00180080, 0x0c, data);
1480 	i2c_write(hw, 0x00180080, 0x0f, data);
1481 
1482 	i2c_lock(hw);
1483 
1484 	/* unmute outputs */
1485 	gpioorg = (u16)hw_read_20kx(hw, GPIO);
1486 	gpioorg = gpioorg | 0x40;
1487 	hw_write_20kx(hw, GPIO, gpioorg);
1488 
1489 	return 0;
1490 }
1491 
1492 /* ADC operations */
1493 
1494 static int is_adc_input_selected_SB055x(struct hw *hw, enum ADCSRC type)
1495 {
1496 	return 0;
1497 }
1498 
1499 static int is_adc_input_selected_SBx(struct hw *hw, enum ADCSRC type)
1500 {
1501 	u32 data;
1502 
1503 	data = hw_read_20kx(hw, GPIO);
1504 	switch (type) {
1505 	case ADC_MICIN:
1506 		data = ((data & (0x1<<7)) && (data & (0x1<<8)));
1507 		break;
1508 	case ADC_LINEIN:
1509 		data = (!(data & (0x1<<7)) && (data & (0x1<<8)));
1510 		break;
1511 	case ADC_NONE: /* Digital I/O */
1512 		data = (!(data & (0x1<<8)));
1513 		break;
1514 	default:
1515 		data = 0;
1516 	}
1517 	return data;
1518 }
1519 
1520 static int is_adc_input_selected_hendrix(struct hw *hw, enum ADCSRC type)
1521 {
1522 	u32 data;
1523 
1524 	data = hw_read_20kx(hw, GPIO);
1525 	switch (type) {
1526 	case ADC_MICIN:
1527 		data = (data & (0x1 << 7)) ? 1 : 0;
1528 		break;
1529 	case ADC_LINEIN:
1530 		data = (data & (0x1 << 7)) ? 0 : 1;
1531 		break;
1532 	default:
1533 		data = 0;
1534 	}
1535 	return data;
1536 }
1537 
1538 static int hw_is_adc_input_selected(struct hw *hw, enum ADCSRC type)
1539 {
1540 	switch (hw->model) {
1541 	case CTSB055X:
1542 		return is_adc_input_selected_SB055x(hw, type);
1543 	case CTSB073X:
1544 		return is_adc_input_selected_hendrix(hw, type);
1545 	case CTUAA:
1546 		return is_adc_input_selected_hendrix(hw, type);
1547 	default:
1548 		return is_adc_input_selected_SBx(hw, type);
1549 	}
1550 }
1551 
1552 static int
1553 adc_input_select_SB055x(struct hw *hw, enum ADCSRC type, unsigned char boost)
1554 {
1555 	u32 data;
1556 
1557 	/*
1558 	 * check and set the following GPIO bits accordingly
1559 	 * ADC_Gain		= GPIO2
1560 	 * DRM_off		= GPIO3
1561 	 * Mic_Pwr_on		= GPIO7
1562 	 * Digital_IO_Sel	= GPIO8
1563 	 * Mic_Sw		= GPIO9
1564 	 * Aux/MicLine_Sw	= GPIO12
1565 	 */
1566 	data = hw_read_20kx(hw, GPIO);
1567 	data &= 0xec73;
1568 	switch (type) {
1569 	case ADC_MICIN:
1570 		data |= (0x1<<7) | (0x1<<8) | (0x1<<9) ;
1571 		data |= boost ? (0x1<<2) : 0;
1572 		break;
1573 	case ADC_LINEIN:
1574 		data |= (0x1<<8);
1575 		break;
1576 	case ADC_AUX:
1577 		data |= (0x1<<8) | (0x1<<12);
1578 		break;
1579 	case ADC_NONE:
1580 		data |= (0x1<<12);  /* set to digital */
1581 		break;
1582 	default:
1583 		return -1;
1584 	}
1585 
1586 	hw_write_20kx(hw, GPIO, data);
1587 
1588 	return 0;
1589 }
1590 
1591 
1592 static int
1593 adc_input_select_SBx(struct hw *hw, enum ADCSRC type, unsigned char boost)
1594 {
1595 	u32 data;
1596 	u32 i2c_data;
1597 	unsigned int ret;
1598 
1599 	if (i2c_unlock(hw))
1600 		return -1;
1601 
1602 	do {
1603 		ret = hw_read_pci(hw, 0xEC);
1604 	} while (!(ret & 0x800000)); /* i2c ready poll */
1605 	/* set i2c access mode as Direct Control */
1606 	hw_write_pci(hw, 0xEC, 0x05);
1607 
1608 	data = hw_read_20kx(hw, GPIO);
1609 	switch (type) {
1610 	case ADC_MICIN:
1611 		data |= ((0x1 << 7) | (0x1 << 8));
1612 		i2c_data = 0x1;  /* Mic-in */
1613 		break;
1614 	case ADC_LINEIN:
1615 		data &= ~(0x1 << 7);
1616 		data |= (0x1 << 8);
1617 		i2c_data = 0x2; /* Line-in */
1618 		break;
1619 	case ADC_NONE:
1620 		data &= ~(0x1 << 8);
1621 		i2c_data = 0x0; /* set to Digital */
1622 		break;
1623 	default:
1624 		i2c_lock(hw);
1625 		return -1;
1626 	}
1627 	hw_write_20kx(hw, GPIO, data);
1628 	i2c_write(hw, 0x001a0080, 0x2a, i2c_data);
1629 	if (boost) {
1630 		i2c_write(hw, 0x001a0080, 0x1c, 0xe7); /* +12dB boost */
1631 		i2c_write(hw, 0x001a0080, 0x1e, 0xe7); /* +12dB boost */
1632 	} else {
1633 		i2c_write(hw, 0x001a0080, 0x1c, 0xcf); /* No boost */
1634 		i2c_write(hw, 0x001a0080, 0x1e, 0xcf); /* No boost */
1635 	}
1636 
1637 	i2c_lock(hw);
1638 
1639 	return 0;
1640 }
1641 
1642 static int
1643 adc_input_select_hendrix(struct hw *hw, enum ADCSRC type, unsigned char boost)
1644 {
1645 	u32 data;
1646 	u32 i2c_data;
1647 	unsigned int ret;
1648 
1649 	if (i2c_unlock(hw))
1650 		return -1;
1651 
1652 	do {
1653 		ret = hw_read_pci(hw, 0xEC);
1654 	} while (!(ret & 0x800000)); /* i2c ready poll */
1655 	/* set i2c access mode as Direct Control */
1656 	hw_write_pci(hw, 0xEC, 0x05);
1657 
1658 	data = hw_read_20kx(hw, GPIO);
1659 	switch (type) {
1660 	case ADC_MICIN:
1661 		data |= (0x1 << 7);
1662 		i2c_data = 0x1;  /* Mic-in */
1663 		break;
1664 	case ADC_LINEIN:
1665 		data &= ~(0x1 << 7);
1666 		i2c_data = 0x2; /* Line-in */
1667 		break;
1668 	default:
1669 		i2c_lock(hw);
1670 		return -1;
1671 	}
1672 	hw_write_20kx(hw, GPIO, data);
1673 	i2c_write(hw, 0x001a0080, 0x2a, i2c_data);
1674 	if (boost) {
1675 		i2c_write(hw, 0x001a0080, 0x1c, 0xe7); /* +12dB boost */
1676 		i2c_write(hw, 0x001a0080, 0x1e, 0xe7); /* +12dB boost */
1677 	} else {
1678 		i2c_write(hw, 0x001a0080, 0x1c, 0xcf); /* No boost */
1679 		i2c_write(hw, 0x001a0080, 0x1e, 0xcf); /* No boost */
1680 	}
1681 
1682 	i2c_lock(hw);
1683 
1684 	return 0;
1685 }
1686 
1687 static int hw_adc_input_select(struct hw *hw, enum ADCSRC type)
1688 {
1689 	int state = type == ADC_MICIN;
1690 
1691 	switch (hw->model) {
1692 	case CTSB055X:
1693 		return adc_input_select_SB055x(hw, type, state);
1694 	case CTSB073X:
1695 		return adc_input_select_hendrix(hw, type, state);
1696 	case CTUAA:
1697 		return adc_input_select_hendrix(hw, type, state);
1698 	default:
1699 		return adc_input_select_SBx(hw, type, state);
1700 	}
1701 }
1702 
1703 static int adc_init_SB055x(struct hw *hw, int input, int mic20db)
1704 {
1705 	return adc_input_select_SB055x(hw, input, mic20db);
1706 }
1707 
1708 static int adc_init_SBx(struct hw *hw, int input, int mic20db)
1709 {
1710 	u16 gpioorg;
1711 	u16 input_source;
1712 	u32 adcdata;
1713 	unsigned int ret;
1714 
1715 	input_source = 0x100;  /* default to analog */
1716 	switch (input) {
1717 	case ADC_MICIN:
1718 		adcdata = 0x1;
1719 		input_source = 0x180;  /* set GPIO7 to select Mic */
1720 		break;
1721 	case ADC_LINEIN:
1722 		adcdata = 0x2;
1723 		break;
1724 	case ADC_VIDEO:
1725 		adcdata = 0x4;
1726 		break;
1727 	case ADC_AUX:
1728 		adcdata = 0x8;
1729 		break;
1730 	case ADC_NONE:
1731 		adcdata = 0x0;
1732 		input_source = 0x0;  /* set to Digital */
1733 		break;
1734 	default:
1735 		adcdata = 0x0;
1736 		break;
1737 	}
1738 
1739 	if (i2c_unlock(hw))
1740 		return -1;
1741 
1742 	do {
1743 		ret = hw_read_pci(hw, 0xEC);
1744 	} while (!(ret & 0x800000)); /* i2c ready poll */
1745 	hw_write_pci(hw, 0xEC, 0x05);  /* write to i2c status control */
1746 
1747 	i2c_write(hw, 0x001a0080, 0x0e, 0x08);
1748 	i2c_write(hw, 0x001a0080, 0x18, 0x0a);
1749 	i2c_write(hw, 0x001a0080, 0x28, 0x86);
1750 	i2c_write(hw, 0x001a0080, 0x2a, adcdata);
1751 
1752 	if (mic20db) {
1753 		i2c_write(hw, 0x001a0080, 0x1c, 0xf7);
1754 		i2c_write(hw, 0x001a0080, 0x1e, 0xf7);
1755 	} else {
1756 		i2c_write(hw, 0x001a0080, 0x1c, 0xcf);
1757 		i2c_write(hw, 0x001a0080, 0x1e, 0xcf);
1758 	}
1759 
1760 	if (!(hw_read_20kx(hw, ID0) & 0x100))
1761 		i2c_write(hw, 0x001a0080, 0x16, 0x26);
1762 
1763 	i2c_lock(hw);
1764 
1765 	gpioorg = (u16)hw_read_20kx(hw,  GPIO);
1766 	gpioorg &= 0xfe7f;
1767 	gpioorg |= input_source;
1768 	hw_write_20kx(hw, GPIO, gpioorg);
1769 
1770 	return 0;
1771 }
1772 
1773 static int hw_adc_init(struct hw *hw, const struct adc_conf *info)
1774 {
1775 	if (hw->model == CTSB055X)
1776 		return adc_init_SB055x(hw, info->input, info->mic20db);
1777 	else
1778 		return adc_init_SBx(hw, info->input, info->mic20db);
1779 }
1780 
1781 static struct capabilities hw_capabilities(struct hw *hw)
1782 {
1783 	struct capabilities cap;
1784 
1785 	/* SB073x and Vista compatible cards have no digit IO switch */
1786 	cap.digit_io_switch = !(hw->model == CTSB073X || hw->model == CTUAA);
1787 	cap.dedicated_mic = 0;
1788 	cap.output_switch = 0;
1789 	cap.mic_source_switch = 0;
1790 
1791 	return cap;
1792 }
1793 
1794 #define CTLBITS(a, b, c, d)	(((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
1795 
1796 #define UAA_CFG_PWRSTATUS	0x44
1797 #define UAA_CFG_SPACE_FLAG	0xA0
1798 #define UAA_CORE_CHANGE		0x3FFC
1799 static int uaa_to_xfi(struct pci_dev *pci)
1800 {
1801 	unsigned int bar0, bar1, bar2, bar3, bar4, bar5;
1802 	unsigned int cmd, irq, cl_size, l_timer, pwr;
1803 	unsigned int is_uaa;
1804 	unsigned int data[4] = {0};
1805 	unsigned int io_base;
1806 	void __iomem *mem_base;
1807 	int i;
1808 	const u32 CTLX = CTLBITS('C', 'T', 'L', 'X');
1809 	const u32 CTL_ = CTLBITS('C', 'T', 'L', '-');
1810 	const u32 CTLF = CTLBITS('C', 'T', 'L', 'F');
1811 	const u32 CTLi = CTLBITS('C', 'T', 'L', 'i');
1812 	const u32 CTLA = CTLBITS('C', 'T', 'L', 'A');
1813 	const u32 CTLZ = CTLBITS('C', 'T', 'L', 'Z');
1814 	const u32 CTLL = CTLBITS('C', 'T', 'L', 'L');
1815 
1816 	/* By default, Hendrix card UAA Bar0 should be using memory... */
1817 	io_base = pci_resource_start(pci, 0);
1818 	mem_base = ioremap(io_base, pci_resource_len(pci, 0));
1819 	if (!mem_base)
1820 		return -ENOENT;
1821 
1822 	/* Read current mode from Mode Change Register */
1823 	for (i = 0; i < 4; i++)
1824 		data[i] = readl(mem_base + UAA_CORE_CHANGE);
1825 
1826 	/* Determine current mode... */
1827 	if (data[0] == CTLA) {
1828 		is_uaa = ((data[1] == CTLZ && data[2] == CTLL
1829 			  && data[3] == CTLA) || (data[1] == CTLA
1830 			  && data[2] == CTLZ && data[3] == CTLL));
1831 	} else if (data[0] == CTLZ) {
1832 		is_uaa = (data[1] == CTLL
1833 				&& data[2] == CTLA && data[3] == CTLA);
1834 	} else if (data[0] == CTLL) {
1835 		is_uaa = (data[1] == CTLA
1836 				&& data[2] == CTLA && data[3] == CTLZ);
1837 	} else {
1838 		is_uaa = 0;
1839 	}
1840 
1841 	if (!is_uaa) {
1842 		/* Not in UAA mode currently. Return directly. */
1843 		iounmap(mem_base);
1844 		return 0;
1845 	}
1846 
1847 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_0, &bar0);
1848 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_1, &bar1);
1849 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_2, &bar2);
1850 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_3, &bar3);
1851 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_4, &bar4);
1852 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_5, &bar5);
1853 	pci_read_config_dword(pci, PCI_INTERRUPT_LINE, &irq);
1854 	pci_read_config_dword(pci, PCI_CACHE_LINE_SIZE, &cl_size);
1855 	pci_read_config_dword(pci, PCI_LATENCY_TIMER, &l_timer);
1856 	pci_read_config_dword(pci, UAA_CFG_PWRSTATUS, &pwr);
1857 	pci_read_config_dword(pci, PCI_COMMAND, &cmd);
1858 
1859 	/* Set up X-Fi core PCI configuration space. */
1860 	/* Switch to X-Fi config space with BAR0 exposed. */
1861 	pci_write_config_dword(pci, UAA_CFG_SPACE_FLAG, 0x87654321);
1862 	/* Copy UAA's BAR5 into X-Fi BAR0 */
1863 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_0, bar5);
1864 	/* Switch to X-Fi config space without BAR0 exposed. */
1865 	pci_write_config_dword(pci, UAA_CFG_SPACE_FLAG, 0x12345678);
1866 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, bar1);
1867 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_2, bar2);
1868 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_3, bar3);
1869 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_4, bar4);
1870 	pci_write_config_dword(pci, PCI_INTERRUPT_LINE, irq);
1871 	pci_write_config_dword(pci, PCI_CACHE_LINE_SIZE, cl_size);
1872 	pci_write_config_dword(pci, PCI_LATENCY_TIMER, l_timer);
1873 	pci_write_config_dword(pci, UAA_CFG_PWRSTATUS, pwr);
1874 	pci_write_config_dword(pci, PCI_COMMAND, cmd);
1875 
1876 	/* Switch to X-Fi mode */
1877 	writel(CTLX, (mem_base + UAA_CORE_CHANGE));
1878 	writel(CTL_, (mem_base + UAA_CORE_CHANGE));
1879 	writel(CTLF, (mem_base + UAA_CORE_CHANGE));
1880 	writel(CTLi, (mem_base + UAA_CORE_CHANGE));
1881 
1882 	iounmap(mem_base);
1883 
1884 	return 0;
1885 }
1886 
1887 static irqreturn_t ct_20k1_interrupt(int irq, void *dev_id)
1888 {
1889 	struct hw *hw = dev_id;
1890 	unsigned int status;
1891 
1892 	status = hw_read_20kx(hw, GIP);
1893 	if (!status)
1894 		return IRQ_NONE;
1895 
1896 	if (hw->irq_callback)
1897 		hw->irq_callback(hw->irq_callback_data, status);
1898 
1899 	hw_write_20kx(hw, GIP, status);
1900 	return IRQ_HANDLED;
1901 }
1902 
1903 static int hw_card_start(struct hw *hw)
1904 {
1905 	int err;
1906 	struct pci_dev *pci = hw->pci;
1907 
1908 	err = pci_enable_device(pci);
1909 	if (err < 0)
1910 		return err;
1911 
1912 	/* Set DMA transfer mask */
1913 	if (dma_set_mask(&pci->dev, CT_XFI_DMA_MASK) < 0 ||
1914 	    dma_set_coherent_mask(&pci->dev, CT_XFI_DMA_MASK) < 0) {
1915 		dev_err(hw->card->dev,
1916 			"architecture does not support PCI busmaster DMA with mask 0x%llx\n",
1917 			CT_XFI_DMA_MASK);
1918 		err = -ENXIO;
1919 		goto error1;
1920 	}
1921 
1922 	if (!hw->io_base) {
1923 		err = pci_request_regions(pci, "XFi");
1924 		if (err < 0)
1925 			goto error1;
1926 
1927 		if (hw->model == CTUAA)
1928 			hw->io_base = pci_resource_start(pci, 5);
1929 		else
1930 			hw->io_base = pci_resource_start(pci, 0);
1931 
1932 	}
1933 
1934 	/* Switch to X-Fi mode from UAA mode if neeeded */
1935 	if (hw->model == CTUAA) {
1936 		err = uaa_to_xfi(pci);
1937 		if (err)
1938 			goto error2;
1939 
1940 	}
1941 
1942 	if (hw->irq < 0) {
1943 		err = request_irq(pci->irq, ct_20k1_interrupt, IRQF_SHARED,
1944 				  KBUILD_MODNAME, hw);
1945 		if (err < 0) {
1946 			dev_err(hw->card->dev,
1947 				"XFi: Cannot get irq %d\n", pci->irq);
1948 			goto error2;
1949 		}
1950 		hw->irq = pci->irq;
1951 	}
1952 
1953 	pci_set_master(pci);
1954 
1955 	return 0;
1956 
1957 error2:
1958 	pci_release_regions(pci);
1959 	hw->io_base = 0;
1960 error1:
1961 	pci_disable_device(pci);
1962 	return err;
1963 }
1964 
1965 static int hw_card_stop(struct hw *hw)
1966 {
1967 	unsigned int data;
1968 
1969 	/* disable transport bus master and queueing of request */
1970 	hw_write_20kx(hw, TRNCTL, 0x00);
1971 
1972 	/* disable pll */
1973 	data = hw_read_20kx(hw, PLLCTL);
1974 	hw_write_20kx(hw, PLLCTL, (data & (~(0x0F<<12))));
1975 
1976 	/* TODO: Disable interrupt and so on... */
1977 	if (hw->irq >= 0)
1978 		synchronize_irq(hw->irq);
1979 	return 0;
1980 }
1981 
1982 static int hw_card_shutdown(struct hw *hw)
1983 {
1984 	if (hw->irq >= 0)
1985 		free_irq(hw->irq, hw);
1986 
1987 	hw->irq	= -1;
1988 	iounmap(hw->mem_base);
1989 	hw->mem_base = NULL;
1990 
1991 	if (hw->io_base)
1992 		pci_release_regions(hw->pci);
1993 
1994 	hw->io_base = 0;
1995 
1996 	pci_disable_device(hw->pci);
1997 
1998 	return 0;
1999 }
2000 
2001 static int hw_card_init(struct hw *hw, struct card_conf *info)
2002 {
2003 	int err;
2004 	unsigned int gctl;
2005 	u32 data;
2006 	struct dac_conf dac_info = {0};
2007 	struct adc_conf adc_info = {0};
2008 	struct daio_conf daio_info = {0};
2009 	struct trn_conf trn_info = {0};
2010 
2011 	/* Get PCI io port base address and do Hendrix switch if needed. */
2012 	err = hw_card_start(hw);
2013 	if (err)
2014 		return err;
2015 
2016 	/* PLL init */
2017 	err = hw_pll_init(hw, info->rsr);
2018 	if (err < 0)
2019 		return err;
2020 
2021 	/* kick off auto-init */
2022 	err = hw_auto_init(hw);
2023 	if (err < 0)
2024 		return err;
2025 
2026 	/* Enable audio ring */
2027 	gctl = hw_read_20kx(hw, GCTL);
2028 	set_field(&gctl, GCTL_EAC, 1);
2029 	set_field(&gctl, GCTL_DBP, 1);
2030 	set_field(&gctl, GCTL_TBP, 1);
2031 	set_field(&gctl, GCTL_FBP, 1);
2032 	set_field(&gctl, GCTL_ET, 1);
2033 	hw_write_20kx(hw, GCTL, gctl);
2034 	mdelay(10);
2035 
2036 	/* Reset all global pending interrupts */
2037 	hw_write_20kx(hw, GIE, 0);
2038 	/* Reset all SRC pending interrupts */
2039 	hw_write_20kx(hw, SRCIP, 0);
2040 	mdelay(30);
2041 
2042 	/* Detect the card ID and configure GPIO accordingly. */
2043 	switch (hw->model) {
2044 	case CTSB055X:
2045 		hw_write_20kx(hw, GPIOCTL, 0x13fe);
2046 		break;
2047 	case CTSB073X:
2048 		hw_write_20kx(hw, GPIOCTL, 0x00e6);
2049 		break;
2050 	case CTUAA:
2051 		hw_write_20kx(hw, GPIOCTL, 0x00c2);
2052 		break;
2053 	default:
2054 		hw_write_20kx(hw, GPIOCTL, 0x01e6);
2055 		break;
2056 	}
2057 
2058 	trn_info.vm_pgt_phys = info->vm_pgt_phys;
2059 	err = hw_trn_init(hw, &trn_info);
2060 	if (err < 0)
2061 		return err;
2062 
2063 	daio_info.msr = info->msr;
2064 	err = hw_daio_init(hw, &daio_info);
2065 	if (err < 0)
2066 		return err;
2067 
2068 	dac_info.msr = info->msr;
2069 	err = hw_dac_init(hw, &dac_info);
2070 	if (err < 0)
2071 		return err;
2072 
2073 	adc_info.msr = info->msr;
2074 	adc_info.input = ADC_LINEIN;
2075 	adc_info.mic20db = 0;
2076 	err = hw_adc_init(hw, &adc_info);
2077 	if (err < 0)
2078 		return err;
2079 
2080 	data = hw_read_20kx(hw, SRCMCTL);
2081 	data |= 0x1; /* Enables input from the audio ring */
2082 	hw_write_20kx(hw, SRCMCTL, data);
2083 
2084 	return 0;
2085 }
2086 
2087 #ifdef CONFIG_PM_SLEEP
2088 static int hw_suspend(struct hw *hw)
2089 {
2090 	struct pci_dev *pci = hw->pci;
2091 
2092 	hw_card_stop(hw);
2093 
2094 	if (hw->model == CTUAA) {
2095 		/* Switch to UAA config space. */
2096 		pci_write_config_dword(pci, UAA_CFG_SPACE_FLAG, 0x0);
2097 	}
2098 
2099 	return 0;
2100 }
2101 
2102 static int hw_resume(struct hw *hw, struct card_conf *info)
2103 {
2104 	/* Re-initialize card hardware. */
2105 	return hw_card_init(hw, info);
2106 }
2107 #endif
2108 
2109 static u32 hw_read_20kx(struct hw *hw, u32 reg)
2110 {
2111 	u32 value;
2112 	unsigned long flags;
2113 
2114 	spin_lock_irqsave(
2115 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2116 	outl(reg, hw->io_base + 0x0);
2117 	value = inl(hw->io_base + 0x4);
2118 	spin_unlock_irqrestore(
2119 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2120 
2121 	return value;
2122 }
2123 
2124 static void hw_write_20kx(struct hw *hw, u32 reg, u32 data)
2125 {
2126 	unsigned long flags;
2127 
2128 	spin_lock_irqsave(
2129 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2130 	outl(reg, hw->io_base + 0x0);
2131 	outl(data, hw->io_base + 0x4);
2132 	spin_unlock_irqrestore(
2133 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2134 
2135 }
2136 
2137 static u32 hw_read_pci(struct hw *hw, u32 reg)
2138 {
2139 	u32 value;
2140 	unsigned long flags;
2141 
2142 	spin_lock_irqsave(
2143 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2144 	outl(reg, hw->io_base + 0x10);
2145 	value = inl(hw->io_base + 0x14);
2146 	spin_unlock_irqrestore(
2147 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2148 
2149 	return value;
2150 }
2151 
2152 static void hw_write_pci(struct hw *hw, u32 reg, u32 data)
2153 {
2154 	unsigned long flags;
2155 
2156 	spin_lock_irqsave(
2157 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2158 	outl(reg, hw->io_base + 0x10);
2159 	outl(data, hw->io_base + 0x14);
2160 	spin_unlock_irqrestore(
2161 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2162 }
2163 
2164 static struct hw ct20k1_preset = {
2165 	.irq = -1,
2166 
2167 	.card_init = hw_card_init,
2168 	.card_stop = hw_card_stop,
2169 	.pll_init = hw_pll_init,
2170 	.is_adc_source_selected = hw_is_adc_input_selected,
2171 	.select_adc_source = hw_adc_input_select,
2172 	.capabilities = hw_capabilities,
2173 #ifdef CONFIG_PM_SLEEP
2174 	.suspend = hw_suspend,
2175 	.resume = hw_resume,
2176 #endif
2177 
2178 	.src_rsc_get_ctrl_blk = src_get_rsc_ctrl_blk,
2179 	.src_rsc_put_ctrl_blk = src_put_rsc_ctrl_blk,
2180 	.src_mgr_get_ctrl_blk = src_mgr_get_ctrl_blk,
2181 	.src_mgr_put_ctrl_blk = src_mgr_put_ctrl_blk,
2182 	.src_set_state = src_set_state,
2183 	.src_set_bm = src_set_bm,
2184 	.src_set_rsr = src_set_rsr,
2185 	.src_set_sf = src_set_sf,
2186 	.src_set_wr = src_set_wr,
2187 	.src_set_pm = src_set_pm,
2188 	.src_set_rom = src_set_rom,
2189 	.src_set_vo = src_set_vo,
2190 	.src_set_st = src_set_st,
2191 	.src_set_ie = src_set_ie,
2192 	.src_set_ilsz = src_set_ilsz,
2193 	.src_set_bp = src_set_bp,
2194 	.src_set_cisz = src_set_cisz,
2195 	.src_set_ca = src_set_ca,
2196 	.src_set_sa = src_set_sa,
2197 	.src_set_la = src_set_la,
2198 	.src_set_pitch = src_set_pitch,
2199 	.src_set_dirty = src_set_dirty,
2200 	.src_set_clear_zbufs = src_set_clear_zbufs,
2201 	.src_set_dirty_all = src_set_dirty_all,
2202 	.src_commit_write = src_commit_write,
2203 	.src_get_ca = src_get_ca,
2204 	.src_get_dirty = src_get_dirty,
2205 	.src_dirty_conj_mask = src_dirty_conj_mask,
2206 	.src_mgr_enbs_src = src_mgr_enbs_src,
2207 	.src_mgr_enb_src = src_mgr_enb_src,
2208 	.src_mgr_dsb_src = src_mgr_dsb_src,
2209 	.src_mgr_commit_write = src_mgr_commit_write,
2210 
2211 	.srcimp_mgr_get_ctrl_blk = srcimp_mgr_get_ctrl_blk,
2212 	.srcimp_mgr_put_ctrl_blk = srcimp_mgr_put_ctrl_blk,
2213 	.srcimp_mgr_set_imaparc = srcimp_mgr_set_imaparc,
2214 	.srcimp_mgr_set_imapuser = srcimp_mgr_set_imapuser,
2215 	.srcimp_mgr_set_imapnxt = srcimp_mgr_set_imapnxt,
2216 	.srcimp_mgr_set_imapaddr = srcimp_mgr_set_imapaddr,
2217 	.srcimp_mgr_commit_write = srcimp_mgr_commit_write,
2218 
2219 	.amixer_rsc_get_ctrl_blk = amixer_rsc_get_ctrl_blk,
2220 	.amixer_rsc_put_ctrl_blk = amixer_rsc_put_ctrl_blk,
2221 	.amixer_mgr_get_ctrl_blk = amixer_mgr_get_ctrl_blk,
2222 	.amixer_mgr_put_ctrl_blk = amixer_mgr_put_ctrl_blk,
2223 	.amixer_set_mode = amixer_set_mode,
2224 	.amixer_set_iv = amixer_set_iv,
2225 	.amixer_set_x = amixer_set_x,
2226 	.amixer_set_y = amixer_set_y,
2227 	.amixer_set_sadr = amixer_set_sadr,
2228 	.amixer_set_se = amixer_set_se,
2229 	.amixer_set_dirty = amixer_set_dirty,
2230 	.amixer_set_dirty_all = amixer_set_dirty_all,
2231 	.amixer_commit_write = amixer_commit_write,
2232 	.amixer_get_y = amixer_get_y,
2233 	.amixer_get_dirty = amixer_get_dirty,
2234 
2235 	.dai_get_ctrl_blk = dai_get_ctrl_blk,
2236 	.dai_put_ctrl_blk = dai_put_ctrl_blk,
2237 	.dai_srt_set_srco = dai_srt_set_srcr,
2238 	.dai_srt_set_srcm = dai_srt_set_srcl,
2239 	.dai_srt_set_rsr = dai_srt_set_rsr,
2240 	.dai_srt_set_drat = dai_srt_set_drat,
2241 	.dai_srt_set_ec = dai_srt_set_ec,
2242 	.dai_srt_set_et = dai_srt_set_et,
2243 	.dai_commit_write = dai_commit_write,
2244 
2245 	.dao_get_ctrl_blk = dao_get_ctrl_blk,
2246 	.dao_put_ctrl_blk = dao_put_ctrl_blk,
2247 	.dao_set_spos = dao_set_spos,
2248 	.dao_commit_write = dao_commit_write,
2249 	.dao_get_spos = dao_get_spos,
2250 
2251 	.daio_mgr_get_ctrl_blk = daio_mgr_get_ctrl_blk,
2252 	.daio_mgr_put_ctrl_blk = daio_mgr_put_ctrl_blk,
2253 	.daio_mgr_enb_dai = daio_mgr_enb_dai,
2254 	.daio_mgr_dsb_dai = daio_mgr_dsb_dai,
2255 	.daio_mgr_enb_dao = daio_mgr_enb_dao,
2256 	.daio_mgr_dsb_dao = daio_mgr_dsb_dao,
2257 	.daio_mgr_dao_init = daio_mgr_dao_init,
2258 	.daio_mgr_set_imaparc = daio_mgr_set_imaparc,
2259 	.daio_mgr_set_imapnxt = daio_mgr_set_imapnxt,
2260 	.daio_mgr_set_imapaddr = daio_mgr_set_imapaddr,
2261 	.daio_mgr_commit_write = daio_mgr_commit_write,
2262 
2263 	.set_timer_irq = set_timer_irq,
2264 	.set_timer_tick = set_timer_tick,
2265 	.get_wc = get_wc,
2266 };
2267 
2268 int create_20k1_hw_obj(struct hw **rhw)
2269 {
2270 	struct hw20k1 *hw20k1;
2271 
2272 	*rhw = NULL;
2273 	hw20k1 = kzalloc(sizeof(*hw20k1), GFP_KERNEL);
2274 	if (!hw20k1)
2275 		return -ENOMEM;
2276 
2277 	spin_lock_init(&hw20k1->reg_20k1_lock);
2278 	spin_lock_init(&hw20k1->reg_pci_lock);
2279 
2280 	hw20k1->hw = ct20k1_preset;
2281 
2282 	*rhw = &hw20k1->hw;
2283 
2284 	return 0;
2285 }
2286 
2287 int destroy_20k1_hw_obj(struct hw *hw)
2288 {
2289 	if (hw->io_base)
2290 		hw_card_shutdown(hw);
2291 
2292 	kfree(container_of(hw, struct hw20k1, hw));
2293 	return 0;
2294 }
2295