xref: /openbmc/linux/sound/pci/ctxfi/cthw20k1.c (revision e3d786a3)
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 struct hw20k1 {
31 	struct hw hw;
32 	spinlock_t reg_20k1_lock;
33 	spinlock_t reg_pci_lock;
34 };
35 
36 static u32 hw_read_20kx(struct hw *hw, u32 reg);
37 static void hw_write_20kx(struct hw *hw, u32 reg, u32 data);
38 static u32 hw_read_pci(struct hw *hw, u32 reg);
39 static void hw_write_pci(struct hw *hw, u32 reg, u32 data);
40 
41 /*
42  * Type definition block.
43  * The layout of control structures can be directly applied on 20k2 chip.
44  */
45 
46 /*
47  * SRC control block definitions.
48  */
49 
50 /* SRC resource control block */
51 #define SRCCTL_STATE	0x00000007
52 #define SRCCTL_BM	0x00000008
53 #define SRCCTL_RSR	0x00000030
54 #define SRCCTL_SF	0x000001C0
55 #define SRCCTL_WR	0x00000200
56 #define SRCCTL_PM	0x00000400
57 #define SRCCTL_ROM	0x00001800
58 #define SRCCTL_VO	0x00002000
59 #define SRCCTL_ST	0x00004000
60 #define SRCCTL_IE	0x00008000
61 #define SRCCTL_ILSZ	0x000F0000
62 #define SRCCTL_BP	0x00100000
63 
64 #define SRCCCR_CISZ	0x000007FF
65 #define SRCCCR_CWA	0x001FF800
66 #define SRCCCR_D	0x00200000
67 #define SRCCCR_RS	0x01C00000
68 #define SRCCCR_NAL	0x3E000000
69 #define SRCCCR_RA	0xC0000000
70 
71 #define SRCCA_CA	0x03FFFFFF
72 #define SRCCA_RS	0x1C000000
73 #define SRCCA_NAL	0xE0000000
74 
75 #define SRCSA_SA	0x03FFFFFF
76 
77 #define SRCLA_LA	0x03FFFFFF
78 
79 /* Mixer Parameter Ring ram Low and Hight register.
80  * Fixed-point value in 8.24 format for parameter channel */
81 #define MPRLH_PITCH	0xFFFFFFFF
82 
83 /* SRC resource register dirty flags */
84 union src_dirty {
85 	struct {
86 		u16 ctl:1;
87 		u16 ccr:1;
88 		u16 sa:1;
89 		u16 la:1;
90 		u16 ca:1;
91 		u16 mpr:1;
92 		u16 czbfs:1;	/* Clear Z-Buffers */
93 		u16 rsv:9;
94 	} bf;
95 	u16 data;
96 };
97 
98 struct src_rsc_ctrl_blk {
99 	unsigned int	ctl;
100 	unsigned int 	ccr;
101 	unsigned int	ca;
102 	unsigned int	sa;
103 	unsigned int	la;
104 	unsigned int	mpr;
105 	union src_dirty	dirty;
106 };
107 
108 /* SRC manager control block */
109 union src_mgr_dirty {
110 	struct {
111 		u16 enb0:1;
112 		u16 enb1:1;
113 		u16 enb2:1;
114 		u16 enb3:1;
115 		u16 enb4:1;
116 		u16 enb5:1;
117 		u16 enb6:1;
118 		u16 enb7:1;
119 		u16 enbsa:1;
120 		u16 rsv:7;
121 	} bf;
122 	u16 data;
123 };
124 
125 struct src_mgr_ctrl_blk {
126 	unsigned int		enbsa;
127 	unsigned int		enb[8];
128 	union src_mgr_dirty	dirty;
129 };
130 
131 /* SRCIMP manager control block */
132 #define SRCAIM_ARC	0x00000FFF
133 #define SRCAIM_NXT	0x00FF0000
134 #define SRCAIM_SRC	0xFF000000
135 
136 struct srcimap {
137 	unsigned int srcaim;
138 	unsigned int idx;
139 };
140 
141 /* SRCIMP manager register dirty flags */
142 union srcimp_mgr_dirty {
143 	struct {
144 		u16 srcimap:1;
145 		u16 rsv:15;
146 	} bf;
147 	u16 data;
148 };
149 
150 struct srcimp_mgr_ctrl_blk {
151 	struct srcimap		srcimap;
152 	union srcimp_mgr_dirty	dirty;
153 };
154 
155 /*
156  * Function implementation block.
157  */
158 
159 static int src_get_rsc_ctrl_blk(void **rblk)
160 {
161 	struct src_rsc_ctrl_blk *blk;
162 
163 	*rblk = NULL;
164 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
165 	if (!blk)
166 		return -ENOMEM;
167 
168 	*rblk = blk;
169 
170 	return 0;
171 }
172 
173 static int src_put_rsc_ctrl_blk(void *blk)
174 {
175 	kfree((struct src_rsc_ctrl_blk *)blk);
176 
177 	return 0;
178 }
179 
180 static int src_set_state(void *blk, unsigned int state)
181 {
182 	struct src_rsc_ctrl_blk *ctl = blk;
183 
184 	set_field(&ctl->ctl, SRCCTL_STATE, state);
185 	ctl->dirty.bf.ctl = 1;
186 	return 0;
187 }
188 
189 static int src_set_bm(void *blk, unsigned int bm)
190 {
191 	struct src_rsc_ctrl_blk *ctl = blk;
192 
193 	set_field(&ctl->ctl, SRCCTL_BM, bm);
194 	ctl->dirty.bf.ctl = 1;
195 	return 0;
196 }
197 
198 static int src_set_rsr(void *blk, unsigned int rsr)
199 {
200 	struct src_rsc_ctrl_blk *ctl = blk;
201 
202 	set_field(&ctl->ctl, SRCCTL_RSR, rsr);
203 	ctl->dirty.bf.ctl = 1;
204 	return 0;
205 }
206 
207 static int src_set_sf(void *blk, unsigned int sf)
208 {
209 	struct src_rsc_ctrl_blk *ctl = blk;
210 
211 	set_field(&ctl->ctl, SRCCTL_SF, sf);
212 	ctl->dirty.bf.ctl = 1;
213 	return 0;
214 }
215 
216 static int src_set_wr(void *blk, unsigned int wr)
217 {
218 	struct src_rsc_ctrl_blk *ctl = blk;
219 
220 	set_field(&ctl->ctl, SRCCTL_WR, wr);
221 	ctl->dirty.bf.ctl = 1;
222 	return 0;
223 }
224 
225 static int src_set_pm(void *blk, unsigned int pm)
226 {
227 	struct src_rsc_ctrl_blk *ctl = blk;
228 
229 	set_field(&ctl->ctl, SRCCTL_PM, pm);
230 	ctl->dirty.bf.ctl = 1;
231 	return 0;
232 }
233 
234 static int src_set_rom(void *blk, unsigned int rom)
235 {
236 	struct src_rsc_ctrl_blk *ctl = blk;
237 
238 	set_field(&ctl->ctl, SRCCTL_ROM, rom);
239 	ctl->dirty.bf.ctl = 1;
240 	return 0;
241 }
242 
243 static int src_set_vo(void *blk, unsigned int vo)
244 {
245 	struct src_rsc_ctrl_blk *ctl = blk;
246 
247 	set_field(&ctl->ctl, SRCCTL_VO, vo);
248 	ctl->dirty.bf.ctl = 1;
249 	return 0;
250 }
251 
252 static int src_set_st(void *blk, unsigned int st)
253 {
254 	struct src_rsc_ctrl_blk *ctl = blk;
255 
256 	set_field(&ctl->ctl, SRCCTL_ST, st);
257 	ctl->dirty.bf.ctl = 1;
258 	return 0;
259 }
260 
261 static int src_set_ie(void *blk, unsigned int ie)
262 {
263 	struct src_rsc_ctrl_blk *ctl = blk;
264 
265 	set_field(&ctl->ctl, SRCCTL_IE, ie);
266 	ctl->dirty.bf.ctl = 1;
267 	return 0;
268 }
269 
270 static int src_set_ilsz(void *blk, unsigned int ilsz)
271 {
272 	struct src_rsc_ctrl_blk *ctl = blk;
273 
274 	set_field(&ctl->ctl, SRCCTL_ILSZ, ilsz);
275 	ctl->dirty.bf.ctl = 1;
276 	return 0;
277 }
278 
279 static int src_set_bp(void *blk, unsigned int bp)
280 {
281 	struct src_rsc_ctrl_blk *ctl = blk;
282 
283 	set_field(&ctl->ctl, SRCCTL_BP, bp);
284 	ctl->dirty.bf.ctl = 1;
285 	return 0;
286 }
287 
288 static int src_set_cisz(void *blk, unsigned int cisz)
289 {
290 	struct src_rsc_ctrl_blk *ctl = blk;
291 
292 	set_field(&ctl->ccr, SRCCCR_CISZ, cisz);
293 	ctl->dirty.bf.ccr = 1;
294 	return 0;
295 }
296 
297 static int src_set_ca(void *blk, unsigned int ca)
298 {
299 	struct src_rsc_ctrl_blk *ctl = blk;
300 
301 	set_field(&ctl->ca, SRCCA_CA, ca);
302 	ctl->dirty.bf.ca = 1;
303 	return 0;
304 }
305 
306 static int src_set_sa(void *blk, unsigned int sa)
307 {
308 	struct src_rsc_ctrl_blk *ctl = blk;
309 
310 	set_field(&ctl->sa, SRCSA_SA, sa);
311 	ctl->dirty.bf.sa = 1;
312 	return 0;
313 }
314 
315 static int src_set_la(void *blk, unsigned int la)
316 {
317 	struct src_rsc_ctrl_blk *ctl = blk;
318 
319 	set_field(&ctl->la, SRCLA_LA, la);
320 	ctl->dirty.bf.la = 1;
321 	return 0;
322 }
323 
324 static int src_set_pitch(void *blk, unsigned int pitch)
325 {
326 	struct src_rsc_ctrl_blk *ctl = blk;
327 
328 	set_field(&ctl->mpr, MPRLH_PITCH, pitch);
329 	ctl->dirty.bf.mpr = 1;
330 	return 0;
331 }
332 
333 static int src_set_clear_zbufs(void *blk, unsigned int clear)
334 {
335 	((struct src_rsc_ctrl_blk *)blk)->dirty.bf.czbfs = (clear ? 1 : 0);
336 	return 0;
337 }
338 
339 static int src_set_dirty(void *blk, unsigned int flags)
340 {
341 	((struct src_rsc_ctrl_blk *)blk)->dirty.data = (flags & 0xffff);
342 	return 0;
343 }
344 
345 static int src_set_dirty_all(void *blk)
346 {
347 	((struct src_rsc_ctrl_blk *)blk)->dirty.data = ~(0x0);
348 	return 0;
349 }
350 
351 #define AR_SLOT_SIZE		4096
352 #define AR_SLOT_BLOCK_SIZE	16
353 #define AR_PTS_PITCH		6
354 #define AR_PARAM_SRC_OFFSET	0x60
355 
356 static unsigned int src_param_pitch_mixer(unsigned int src_idx)
357 {
358 	return ((src_idx << 4) + AR_PTS_PITCH + AR_SLOT_SIZE
359 			- AR_PARAM_SRC_OFFSET) % AR_SLOT_SIZE;
360 
361 }
362 
363 static int src_commit_write(struct hw *hw, unsigned int idx, void *blk)
364 {
365 	struct src_rsc_ctrl_blk *ctl = blk;
366 	int i;
367 
368 	if (ctl->dirty.bf.czbfs) {
369 		/* Clear Z-Buffer registers */
370 		for (i = 0; i < 8; i++)
371 			hw_write_20kx(hw, SRCUPZ+idx*0x100+i*0x4, 0);
372 
373 		for (i = 0; i < 4; i++)
374 			hw_write_20kx(hw, SRCDN0Z+idx*0x100+i*0x4, 0);
375 
376 		for (i = 0; i < 8; i++)
377 			hw_write_20kx(hw, SRCDN1Z+idx*0x100+i*0x4, 0);
378 
379 		ctl->dirty.bf.czbfs = 0;
380 	}
381 	if (ctl->dirty.bf.mpr) {
382 		/* Take the parameter mixer resource in the same group as that
383 		 * the idx src is in for simplicity. Unlike src, all conjugate
384 		 * parameter mixer resources must be programmed for
385 		 * corresponding conjugate src resources. */
386 		unsigned int pm_idx = src_param_pitch_mixer(idx);
387 		hw_write_20kx(hw, PRING_LO_HI+4*pm_idx, ctl->mpr);
388 		hw_write_20kx(hw, PMOPLO+8*pm_idx, 0x3);
389 		hw_write_20kx(hw, PMOPHI+8*pm_idx, 0x0);
390 		ctl->dirty.bf.mpr = 0;
391 	}
392 	if (ctl->dirty.bf.sa) {
393 		hw_write_20kx(hw, SRCSA+idx*0x100, ctl->sa);
394 		ctl->dirty.bf.sa = 0;
395 	}
396 	if (ctl->dirty.bf.la) {
397 		hw_write_20kx(hw, SRCLA+idx*0x100, ctl->la);
398 		ctl->dirty.bf.la = 0;
399 	}
400 	if (ctl->dirty.bf.ca) {
401 		hw_write_20kx(hw, SRCCA+idx*0x100, ctl->ca);
402 		ctl->dirty.bf.ca = 0;
403 	}
404 
405 	/* Write srccf register */
406 	hw_write_20kx(hw, SRCCF+idx*0x100, 0x0);
407 
408 	if (ctl->dirty.bf.ccr) {
409 		hw_write_20kx(hw, SRCCCR+idx*0x100, ctl->ccr);
410 		ctl->dirty.bf.ccr = 0;
411 	}
412 	if (ctl->dirty.bf.ctl) {
413 		hw_write_20kx(hw, SRCCTL+idx*0x100, ctl->ctl);
414 		ctl->dirty.bf.ctl = 0;
415 	}
416 
417 	return 0;
418 }
419 
420 static int src_get_ca(struct hw *hw, unsigned int idx, void *blk)
421 {
422 	struct src_rsc_ctrl_blk *ctl = blk;
423 
424 	ctl->ca = hw_read_20kx(hw, SRCCA+idx*0x100);
425 	ctl->dirty.bf.ca = 0;
426 
427 	return get_field(ctl->ca, SRCCA_CA);
428 }
429 
430 static unsigned int src_get_dirty(void *blk)
431 {
432 	return ((struct src_rsc_ctrl_blk *)blk)->dirty.data;
433 }
434 
435 static unsigned int src_dirty_conj_mask(void)
436 {
437 	return 0x20;
438 }
439 
440 static int src_mgr_enbs_src(void *blk, unsigned int idx)
441 {
442 	((struct src_mgr_ctrl_blk *)blk)->enbsa = ~(0x0);
443 	((struct src_mgr_ctrl_blk *)blk)->dirty.bf.enbsa = 1;
444 	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] |= (0x1 << (idx%32));
445 	return 0;
446 }
447 
448 static int src_mgr_enb_src(void *blk, unsigned int idx)
449 {
450 	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] |= (0x1 << (idx%32));
451 	((struct src_mgr_ctrl_blk *)blk)->dirty.data |= (0x1 << (idx/32));
452 	return 0;
453 }
454 
455 static int src_mgr_dsb_src(void *blk, unsigned int idx)
456 {
457 	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] &= ~(0x1 << (idx%32));
458 	((struct src_mgr_ctrl_blk *)blk)->dirty.data |= (0x1 << (idx/32));
459 	return 0;
460 }
461 
462 static int src_mgr_commit_write(struct hw *hw, void *blk)
463 {
464 	struct src_mgr_ctrl_blk *ctl = blk;
465 	int i;
466 	unsigned int ret;
467 
468 	if (ctl->dirty.bf.enbsa) {
469 		do {
470 			ret = hw_read_20kx(hw, SRCENBSTAT);
471 		} while (ret & 0x1);
472 		hw_write_20kx(hw, SRCENBS, ctl->enbsa);
473 		ctl->dirty.bf.enbsa = 0;
474 	}
475 	for (i = 0; i < 8; i++) {
476 		if ((ctl->dirty.data & (0x1 << i))) {
477 			hw_write_20kx(hw, SRCENB+(i*0x100), ctl->enb[i]);
478 			ctl->dirty.data &= ~(0x1 << i);
479 		}
480 	}
481 
482 	return 0;
483 }
484 
485 static int src_mgr_get_ctrl_blk(void **rblk)
486 {
487 	struct src_mgr_ctrl_blk *blk;
488 
489 	*rblk = NULL;
490 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
491 	if (!blk)
492 		return -ENOMEM;
493 
494 	*rblk = blk;
495 
496 	return 0;
497 }
498 
499 static int src_mgr_put_ctrl_blk(void *blk)
500 {
501 	kfree((struct src_mgr_ctrl_blk *)blk);
502 
503 	return 0;
504 }
505 
506 static int srcimp_mgr_get_ctrl_blk(void **rblk)
507 {
508 	struct srcimp_mgr_ctrl_blk *blk;
509 
510 	*rblk = NULL;
511 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
512 	if (!blk)
513 		return -ENOMEM;
514 
515 	*rblk = blk;
516 
517 	return 0;
518 }
519 
520 static int srcimp_mgr_put_ctrl_blk(void *blk)
521 {
522 	kfree((struct srcimp_mgr_ctrl_blk *)blk);
523 
524 	return 0;
525 }
526 
527 static int srcimp_mgr_set_imaparc(void *blk, unsigned int slot)
528 {
529 	struct srcimp_mgr_ctrl_blk *ctl = blk;
530 
531 	set_field(&ctl->srcimap.srcaim, SRCAIM_ARC, slot);
532 	ctl->dirty.bf.srcimap = 1;
533 	return 0;
534 }
535 
536 static int srcimp_mgr_set_imapuser(void *blk, unsigned int user)
537 {
538 	struct srcimp_mgr_ctrl_blk *ctl = blk;
539 
540 	set_field(&ctl->srcimap.srcaim, SRCAIM_SRC, user);
541 	ctl->dirty.bf.srcimap = 1;
542 	return 0;
543 }
544 
545 static int srcimp_mgr_set_imapnxt(void *blk, unsigned int next)
546 {
547 	struct srcimp_mgr_ctrl_blk *ctl = blk;
548 
549 	set_field(&ctl->srcimap.srcaim, SRCAIM_NXT, next);
550 	ctl->dirty.bf.srcimap = 1;
551 	return 0;
552 }
553 
554 static int srcimp_mgr_set_imapaddr(void *blk, unsigned int addr)
555 {
556 	struct srcimp_mgr_ctrl_blk *ctl = blk;
557 
558 	ctl->srcimap.idx = addr;
559 	ctl->dirty.bf.srcimap = 1;
560 	return 0;
561 }
562 
563 static int srcimp_mgr_commit_write(struct hw *hw, void *blk)
564 {
565 	struct srcimp_mgr_ctrl_blk *ctl = blk;
566 
567 	if (ctl->dirty.bf.srcimap) {
568 		hw_write_20kx(hw, SRCIMAP+ctl->srcimap.idx*0x100,
569 						ctl->srcimap.srcaim);
570 		ctl->dirty.bf.srcimap = 0;
571 	}
572 
573 	return 0;
574 }
575 
576 /*
577  * AMIXER control block definitions.
578  */
579 
580 #define AMOPLO_M	0x00000003
581 #define AMOPLO_X	0x0003FFF0
582 #define AMOPLO_Y	0xFFFC0000
583 
584 #define AMOPHI_SADR	0x000000FF
585 #define AMOPHI_SE	0x80000000
586 
587 /* AMIXER resource register dirty flags */
588 union amixer_dirty {
589 	struct {
590 		u16 amoplo:1;
591 		u16 amophi:1;
592 		u16 rsv:14;
593 	} bf;
594 	u16 data;
595 };
596 
597 /* AMIXER resource control block */
598 struct amixer_rsc_ctrl_blk {
599 	unsigned int		amoplo;
600 	unsigned int		amophi;
601 	union amixer_dirty	dirty;
602 };
603 
604 static int amixer_set_mode(void *blk, unsigned int mode)
605 {
606 	struct amixer_rsc_ctrl_blk *ctl = blk;
607 
608 	set_field(&ctl->amoplo, AMOPLO_M, mode);
609 	ctl->dirty.bf.amoplo = 1;
610 	return 0;
611 }
612 
613 static int amixer_set_iv(void *blk, unsigned int iv)
614 {
615 	/* 20k1 amixer does not have this field */
616 	return 0;
617 }
618 
619 static int amixer_set_x(void *blk, unsigned int x)
620 {
621 	struct amixer_rsc_ctrl_blk *ctl = blk;
622 
623 	set_field(&ctl->amoplo, AMOPLO_X, x);
624 	ctl->dirty.bf.amoplo = 1;
625 	return 0;
626 }
627 
628 static int amixer_set_y(void *blk, unsigned int y)
629 {
630 	struct amixer_rsc_ctrl_blk *ctl = blk;
631 
632 	set_field(&ctl->amoplo, AMOPLO_Y, y);
633 	ctl->dirty.bf.amoplo = 1;
634 	return 0;
635 }
636 
637 static int amixer_set_sadr(void *blk, unsigned int sadr)
638 {
639 	struct amixer_rsc_ctrl_blk *ctl = blk;
640 
641 	set_field(&ctl->amophi, AMOPHI_SADR, sadr);
642 	ctl->dirty.bf.amophi = 1;
643 	return 0;
644 }
645 
646 static int amixer_set_se(void *blk, unsigned int se)
647 {
648 	struct amixer_rsc_ctrl_blk *ctl = blk;
649 
650 	set_field(&ctl->amophi, AMOPHI_SE, se);
651 	ctl->dirty.bf.amophi = 1;
652 	return 0;
653 }
654 
655 static int amixer_set_dirty(void *blk, unsigned int flags)
656 {
657 	((struct amixer_rsc_ctrl_blk *)blk)->dirty.data = (flags & 0xffff);
658 	return 0;
659 }
660 
661 static int amixer_set_dirty_all(void *blk)
662 {
663 	((struct amixer_rsc_ctrl_blk *)blk)->dirty.data = ~(0x0);
664 	return 0;
665 }
666 
667 static int amixer_commit_write(struct hw *hw, unsigned int idx, void *blk)
668 {
669 	struct amixer_rsc_ctrl_blk *ctl = blk;
670 
671 	if (ctl->dirty.bf.amoplo || ctl->dirty.bf.amophi) {
672 		hw_write_20kx(hw, AMOPLO+idx*8, ctl->amoplo);
673 		ctl->dirty.bf.amoplo = 0;
674 		hw_write_20kx(hw, AMOPHI+idx*8, ctl->amophi);
675 		ctl->dirty.bf.amophi = 0;
676 	}
677 
678 	return 0;
679 }
680 
681 static int amixer_get_y(void *blk)
682 {
683 	struct amixer_rsc_ctrl_blk *ctl = blk;
684 
685 	return get_field(ctl->amoplo, AMOPLO_Y);
686 }
687 
688 static unsigned int amixer_get_dirty(void *blk)
689 {
690 	return ((struct amixer_rsc_ctrl_blk *)blk)->dirty.data;
691 }
692 
693 static int amixer_rsc_get_ctrl_blk(void **rblk)
694 {
695 	struct amixer_rsc_ctrl_blk *blk;
696 
697 	*rblk = NULL;
698 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
699 	if (!blk)
700 		return -ENOMEM;
701 
702 	*rblk = blk;
703 
704 	return 0;
705 }
706 
707 static int amixer_rsc_put_ctrl_blk(void *blk)
708 {
709 	kfree((struct amixer_rsc_ctrl_blk *)blk);
710 
711 	return 0;
712 }
713 
714 static int amixer_mgr_get_ctrl_blk(void **rblk)
715 {
716 	/*amixer_mgr_ctrl_blk_t *blk;*/
717 
718 	*rblk = NULL;
719 	/*blk = kzalloc(sizeof(*blk), GFP_KERNEL);
720 	if (!blk)
721 		return -ENOMEM;
722 
723 	*rblk = blk;*/
724 
725 	return 0;
726 }
727 
728 static int amixer_mgr_put_ctrl_blk(void *blk)
729 {
730 	/*kfree((amixer_mgr_ctrl_blk_t *)blk);*/
731 
732 	return 0;
733 }
734 
735 /*
736  * DAIO control block definitions.
737  */
738 
739 /* Receiver Sample Rate Tracker Control register */
740 #define SRTCTL_SRCR	0x000000FF
741 #define SRTCTL_SRCL	0x0000FF00
742 #define SRTCTL_RSR	0x00030000
743 #define SRTCTL_DRAT	0x000C0000
744 #define SRTCTL_RLE	0x10000000
745 #define SRTCTL_RLP	0x20000000
746 #define SRTCTL_EC	0x40000000
747 #define SRTCTL_ET	0x80000000
748 
749 /* DAIO Receiver register dirty flags */
750 union dai_dirty {
751 	struct {
752 		u16 srtctl:1;
753 		u16 rsv:15;
754 	} bf;
755 	u16 data;
756 };
757 
758 /* DAIO Receiver control block */
759 struct dai_ctrl_blk {
760 	unsigned int	srtctl;
761 	union dai_dirty	dirty;
762 };
763 
764 /* S/PDIF Transmitter register dirty flags */
765 union dao_dirty {
766 	struct {
767 		u16 spos:1;
768 		u16 rsv:15;
769 	} bf;
770 	u16 data;
771 };
772 
773 /* S/PDIF Transmitter control block */
774 struct dao_ctrl_blk {
775 	unsigned int 	spos; /* S/PDIF Output Channel Status Register */
776 	union dao_dirty	dirty;
777 };
778 
779 /* Audio Input Mapper RAM */
780 #define AIM_ARC		0x00000FFF
781 #define AIM_NXT		0x007F0000
782 
783 struct daoimap {
784 	unsigned int aim;
785 	unsigned int idx;
786 };
787 
788 /* I2S Transmitter/Receiver Control register */
789 #define I2SCTL_EA	0x00000004
790 #define I2SCTL_EI	0x00000010
791 
792 /* S/PDIF Transmitter Control register */
793 #define SPOCTL_OE	0x00000001
794 #define SPOCTL_OS	0x0000000E
795 #define SPOCTL_RIV	0x00000010
796 #define SPOCTL_LIV	0x00000020
797 #define SPOCTL_SR	0x000000C0
798 
799 /* S/PDIF Receiver Control register */
800 #define SPICTL_EN	0x00000001
801 #define SPICTL_I24	0x00000002
802 #define SPICTL_IB	0x00000004
803 #define SPICTL_SM	0x00000008
804 #define SPICTL_VM	0x00000010
805 
806 /* DAIO manager register dirty flags */
807 union daio_mgr_dirty {
808 	struct {
809 		u32 i2soctl:4;
810 		u32 i2sictl:4;
811 		u32 spoctl:4;
812 		u32 spictl:4;
813 		u32 daoimap:1;
814 		u32 rsv:15;
815 	} bf;
816 	u32 data;
817 };
818 
819 /* DAIO manager control block */
820 struct daio_mgr_ctrl_blk {
821 	unsigned int		i2sctl;
822 	unsigned int		spoctl;
823 	unsigned int		spictl;
824 	struct daoimap		daoimap;
825 	union daio_mgr_dirty	dirty;
826 };
827 
828 static int dai_srt_set_srcr(void *blk, unsigned int src)
829 {
830 	struct dai_ctrl_blk *ctl = blk;
831 
832 	set_field(&ctl->srtctl, SRTCTL_SRCR, src);
833 	ctl->dirty.bf.srtctl = 1;
834 	return 0;
835 }
836 
837 static int dai_srt_set_srcl(void *blk, unsigned int src)
838 {
839 	struct dai_ctrl_blk *ctl = blk;
840 
841 	set_field(&ctl->srtctl, SRTCTL_SRCL, src);
842 	ctl->dirty.bf.srtctl = 1;
843 	return 0;
844 }
845 
846 static int dai_srt_set_rsr(void *blk, unsigned int rsr)
847 {
848 	struct dai_ctrl_blk *ctl = blk;
849 
850 	set_field(&ctl->srtctl, SRTCTL_RSR, rsr);
851 	ctl->dirty.bf.srtctl = 1;
852 	return 0;
853 }
854 
855 static int dai_srt_set_drat(void *blk, unsigned int drat)
856 {
857 	struct dai_ctrl_blk *ctl = blk;
858 
859 	set_field(&ctl->srtctl, SRTCTL_DRAT, drat);
860 	ctl->dirty.bf.srtctl = 1;
861 	return 0;
862 }
863 
864 static int dai_srt_set_ec(void *blk, unsigned int ec)
865 {
866 	struct dai_ctrl_blk *ctl = blk;
867 
868 	set_field(&ctl->srtctl, SRTCTL_EC, ec ? 1 : 0);
869 	ctl->dirty.bf.srtctl = 1;
870 	return 0;
871 }
872 
873 static int dai_srt_set_et(void *blk, unsigned int et)
874 {
875 	struct dai_ctrl_blk *ctl = blk;
876 
877 	set_field(&ctl->srtctl, SRTCTL_ET, et ? 1 : 0);
878 	ctl->dirty.bf.srtctl = 1;
879 	return 0;
880 }
881 
882 static int dai_commit_write(struct hw *hw, unsigned int idx, void *blk)
883 {
884 	struct dai_ctrl_blk *ctl = blk;
885 
886 	if (ctl->dirty.bf.srtctl) {
887 		if (idx < 4) {
888 			/* S/PDIF SRTs */
889 			hw_write_20kx(hw, SRTSCTL+0x4*idx, ctl->srtctl);
890 		} else {
891 			/* I2S SRT */
892 			hw_write_20kx(hw, SRTICTL, ctl->srtctl);
893 		}
894 		ctl->dirty.bf.srtctl = 0;
895 	}
896 
897 	return 0;
898 }
899 
900 static int dai_get_ctrl_blk(void **rblk)
901 {
902 	struct dai_ctrl_blk *blk;
903 
904 	*rblk = NULL;
905 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
906 	if (!blk)
907 		return -ENOMEM;
908 
909 	*rblk = blk;
910 
911 	return 0;
912 }
913 
914 static int dai_put_ctrl_blk(void *blk)
915 {
916 	kfree((struct dai_ctrl_blk *)blk);
917 
918 	return 0;
919 }
920 
921 static int dao_set_spos(void *blk, unsigned int spos)
922 {
923 	((struct dao_ctrl_blk *)blk)->spos = spos;
924 	((struct dao_ctrl_blk *)blk)->dirty.bf.spos = 1;
925 	return 0;
926 }
927 
928 static int dao_commit_write(struct hw *hw, unsigned int idx, void *blk)
929 {
930 	struct dao_ctrl_blk *ctl = blk;
931 
932 	if (ctl->dirty.bf.spos) {
933 		if (idx < 4) {
934 			/* S/PDIF SPOSx */
935 			hw_write_20kx(hw, SPOS+0x4*idx, ctl->spos);
936 		}
937 		ctl->dirty.bf.spos = 0;
938 	}
939 
940 	return 0;
941 }
942 
943 static int dao_get_spos(void *blk, unsigned int *spos)
944 {
945 	*spos = ((struct dao_ctrl_blk *)blk)->spos;
946 	return 0;
947 }
948 
949 static int dao_get_ctrl_blk(void **rblk)
950 {
951 	struct dao_ctrl_blk *blk;
952 
953 	*rblk = NULL;
954 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
955 	if (!blk)
956 		return -ENOMEM;
957 
958 	*rblk = blk;
959 
960 	return 0;
961 }
962 
963 static int dao_put_ctrl_blk(void *blk)
964 {
965 	kfree((struct dao_ctrl_blk *)blk);
966 
967 	return 0;
968 }
969 
970 static int daio_mgr_enb_dai(void *blk, unsigned int idx)
971 {
972 	struct daio_mgr_ctrl_blk *ctl = blk;
973 
974 	if (idx < 4) {
975 		/* S/PDIF input */
976 		set_field(&ctl->spictl, SPICTL_EN << (idx*8), 1);
977 		ctl->dirty.bf.spictl |= (0x1 << idx);
978 	} else {
979 		/* I2S input */
980 		idx %= 4;
981 		set_field(&ctl->i2sctl, I2SCTL_EI << (idx*8), 1);
982 		ctl->dirty.bf.i2sictl |= (0x1 << idx);
983 	}
984 	return 0;
985 }
986 
987 static int daio_mgr_dsb_dai(void *blk, unsigned int idx)
988 {
989 	struct daio_mgr_ctrl_blk *ctl = blk;
990 
991 	if (idx < 4) {
992 		/* S/PDIF input */
993 		set_field(&ctl->spictl, SPICTL_EN << (idx*8), 0);
994 		ctl->dirty.bf.spictl |= (0x1 << idx);
995 	} else {
996 		/* I2S input */
997 		idx %= 4;
998 		set_field(&ctl->i2sctl, I2SCTL_EI << (idx*8), 0);
999 		ctl->dirty.bf.i2sictl |= (0x1 << idx);
1000 	}
1001 	return 0;
1002 }
1003 
1004 static int daio_mgr_enb_dao(void *blk, unsigned int idx)
1005 {
1006 	struct daio_mgr_ctrl_blk *ctl = blk;
1007 
1008 	if (idx < 4) {
1009 		/* S/PDIF output */
1010 		set_field(&ctl->spoctl, SPOCTL_OE << (idx*8), 1);
1011 		ctl->dirty.bf.spoctl |= (0x1 << idx);
1012 	} else {
1013 		/* I2S output */
1014 		idx %= 4;
1015 		set_field(&ctl->i2sctl, I2SCTL_EA << (idx*8), 1);
1016 		ctl->dirty.bf.i2soctl |= (0x1 << idx);
1017 	}
1018 	return 0;
1019 }
1020 
1021 static int daio_mgr_dsb_dao(void *blk, unsigned int idx)
1022 {
1023 	struct daio_mgr_ctrl_blk *ctl = blk;
1024 
1025 	if (idx < 4) {
1026 		/* S/PDIF output */
1027 		set_field(&ctl->spoctl, SPOCTL_OE << (idx*8), 0);
1028 		ctl->dirty.bf.spoctl |= (0x1 << idx);
1029 	} else {
1030 		/* I2S output */
1031 		idx %= 4;
1032 		set_field(&ctl->i2sctl, I2SCTL_EA << (idx*8), 0);
1033 		ctl->dirty.bf.i2soctl |= (0x1 << idx);
1034 	}
1035 	return 0;
1036 }
1037 
1038 static int daio_mgr_dao_init(void *blk, unsigned int idx, unsigned int conf)
1039 {
1040 	struct daio_mgr_ctrl_blk *ctl = blk;
1041 
1042 	if (idx < 4) {
1043 		/* S/PDIF output */
1044 		switch ((conf & 0x7)) {
1045 		case 0:
1046 			set_field(&ctl->spoctl, SPOCTL_SR << (idx*8), 3);
1047 			break; /* CDIF */
1048 		case 1:
1049 			set_field(&ctl->spoctl, SPOCTL_SR << (idx*8), 0);
1050 			break;
1051 		case 2:
1052 			set_field(&ctl->spoctl, SPOCTL_SR << (idx*8), 1);
1053 			break;
1054 		case 4:
1055 			set_field(&ctl->spoctl, SPOCTL_SR << (idx*8), 2);
1056 			break;
1057 		default:
1058 			break;
1059 		}
1060 		set_field(&ctl->spoctl, SPOCTL_LIV << (idx*8),
1061 			  (conf >> 4) & 0x1); /* Non-audio */
1062 		set_field(&ctl->spoctl, SPOCTL_RIV << (idx*8),
1063 			  (conf >> 4) & 0x1); /* Non-audio */
1064 		set_field(&ctl->spoctl, SPOCTL_OS << (idx*8),
1065 			  ((conf >> 3) & 0x1) ? 2 : 2); /* Raw */
1066 
1067 		ctl->dirty.bf.spoctl |= (0x1 << idx);
1068 	} else {
1069 		/* I2S output */
1070 		/*idx %= 4; */
1071 	}
1072 	return 0;
1073 }
1074 
1075 static int daio_mgr_set_imaparc(void *blk, unsigned int slot)
1076 {
1077 	struct daio_mgr_ctrl_blk *ctl = blk;
1078 
1079 	set_field(&ctl->daoimap.aim, AIM_ARC, slot);
1080 	ctl->dirty.bf.daoimap = 1;
1081 	return 0;
1082 }
1083 
1084 static int daio_mgr_set_imapnxt(void *blk, unsigned int next)
1085 {
1086 	struct daio_mgr_ctrl_blk *ctl = blk;
1087 
1088 	set_field(&ctl->daoimap.aim, AIM_NXT, next);
1089 	ctl->dirty.bf.daoimap = 1;
1090 	return 0;
1091 }
1092 
1093 static int daio_mgr_set_imapaddr(void *blk, unsigned int addr)
1094 {
1095 	struct daio_mgr_ctrl_blk *ctl = blk;
1096 
1097 	ctl->daoimap.idx = addr;
1098 	ctl->dirty.bf.daoimap = 1;
1099 	return 0;
1100 }
1101 
1102 static int daio_mgr_commit_write(struct hw *hw, void *blk)
1103 {
1104 	struct daio_mgr_ctrl_blk *ctl = blk;
1105 	int i;
1106 
1107 	if (ctl->dirty.bf.i2sictl || ctl->dirty.bf.i2soctl) {
1108 		for (i = 0; i < 4; i++) {
1109 			if ((ctl->dirty.bf.i2sictl & (0x1 << i)))
1110 				ctl->dirty.bf.i2sictl &= ~(0x1 << i);
1111 
1112 			if ((ctl->dirty.bf.i2soctl & (0x1 << i)))
1113 				ctl->dirty.bf.i2soctl &= ~(0x1 << i);
1114 		}
1115 		hw_write_20kx(hw, I2SCTL, ctl->i2sctl);
1116 		mdelay(1);
1117 	}
1118 	if (ctl->dirty.bf.spoctl) {
1119 		for (i = 0; i < 4; i++) {
1120 			if ((ctl->dirty.bf.spoctl & (0x1 << i)))
1121 				ctl->dirty.bf.spoctl &= ~(0x1 << i);
1122 		}
1123 		hw_write_20kx(hw, SPOCTL, ctl->spoctl);
1124 		mdelay(1);
1125 	}
1126 	if (ctl->dirty.bf.spictl) {
1127 		for (i = 0; i < 4; i++) {
1128 			if ((ctl->dirty.bf.spictl & (0x1 << i)))
1129 				ctl->dirty.bf.spictl &= ~(0x1 << i);
1130 		}
1131 		hw_write_20kx(hw, SPICTL, ctl->spictl);
1132 		mdelay(1);
1133 	}
1134 	if (ctl->dirty.bf.daoimap) {
1135 		hw_write_20kx(hw, DAOIMAP+ctl->daoimap.idx*4,
1136 					ctl->daoimap.aim);
1137 		ctl->dirty.bf.daoimap = 0;
1138 	}
1139 
1140 	return 0;
1141 }
1142 
1143 static int daio_mgr_get_ctrl_blk(struct hw *hw, void **rblk)
1144 {
1145 	struct daio_mgr_ctrl_blk *blk;
1146 
1147 	*rblk = NULL;
1148 	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
1149 	if (!blk)
1150 		return -ENOMEM;
1151 
1152 	blk->i2sctl = hw_read_20kx(hw, I2SCTL);
1153 	blk->spoctl = hw_read_20kx(hw, SPOCTL);
1154 	blk->spictl = hw_read_20kx(hw, SPICTL);
1155 
1156 	*rblk = blk;
1157 
1158 	return 0;
1159 }
1160 
1161 static int daio_mgr_put_ctrl_blk(void *blk)
1162 {
1163 	kfree((struct daio_mgr_ctrl_blk *)blk);
1164 
1165 	return 0;
1166 }
1167 
1168 /* Timer interrupt */
1169 static int set_timer_irq(struct hw *hw, int enable)
1170 {
1171 	hw_write_20kx(hw, GIE, enable ? IT_INT : 0);
1172 	return 0;
1173 }
1174 
1175 static int set_timer_tick(struct hw *hw, unsigned int ticks)
1176 {
1177 	if (ticks)
1178 		ticks |= TIMR_IE | TIMR_IP;
1179 	hw_write_20kx(hw, TIMR, ticks);
1180 	return 0;
1181 }
1182 
1183 static unsigned int get_wc(struct hw *hw)
1184 {
1185 	return hw_read_20kx(hw, WC);
1186 }
1187 
1188 /* Card hardware initialization block */
1189 struct dac_conf {
1190 	unsigned int msr; /* master sample rate in rsrs */
1191 };
1192 
1193 struct adc_conf {
1194 	unsigned int msr; 	/* master sample rate in rsrs */
1195 	unsigned char input; 	/* the input source of ADC */
1196 	unsigned char mic20db; 	/* boost mic by 20db if input is microphone */
1197 };
1198 
1199 struct daio_conf {
1200 	unsigned int msr; /* master sample rate in rsrs */
1201 };
1202 
1203 struct trn_conf {
1204 	unsigned long vm_pgt_phys;
1205 };
1206 
1207 static int hw_daio_init(struct hw *hw, const struct daio_conf *info)
1208 {
1209 	u32 i2sorg;
1210 	u32 spdorg;
1211 
1212 	/* Read I2S CTL.  Keep original value. */
1213 	/*i2sorg = hw_read_20kx(hw, I2SCTL);*/
1214 	i2sorg = 0x94040404; /* enable all audio out and I2S-D input */
1215 	/* Program I2S with proper master sample rate and enable
1216 	 * the correct I2S channel. */
1217 	i2sorg &= 0xfffffffc;
1218 
1219 	/* Enable S/PDIF-out-A in fixed 24-bit data
1220 	 * format and default to 48kHz. */
1221 	/* Disable all before doing any changes. */
1222 	hw_write_20kx(hw, SPOCTL, 0x0);
1223 	spdorg = 0x05;
1224 
1225 	switch (info->msr) {
1226 	case 1:
1227 		i2sorg |= 1;
1228 		spdorg |= (0x0 << 6);
1229 		break;
1230 	case 2:
1231 		i2sorg |= 2;
1232 		spdorg |= (0x1 << 6);
1233 		break;
1234 	case 4:
1235 		i2sorg |= 3;
1236 		spdorg |= (0x2 << 6);
1237 		break;
1238 	default:
1239 		i2sorg |= 1;
1240 		break;
1241 	}
1242 
1243 	hw_write_20kx(hw, I2SCTL, i2sorg);
1244 	hw_write_20kx(hw, SPOCTL, spdorg);
1245 
1246 	/* Enable S/PDIF-in-A in fixed 24-bit data format. */
1247 	/* Disable all before doing any changes. */
1248 	hw_write_20kx(hw, SPICTL, 0x0);
1249 	mdelay(1);
1250 	spdorg = 0x0a0a0a0a;
1251 	hw_write_20kx(hw, SPICTL, spdorg);
1252 	mdelay(1);
1253 
1254 	return 0;
1255 }
1256 
1257 /* TRANSPORT operations */
1258 static int hw_trn_init(struct hw *hw, const struct trn_conf *info)
1259 {
1260 	u32 trnctl;
1261 	u32 ptp_phys_low, ptp_phys_high;
1262 
1263 	/* Set up device page table */
1264 	if ((~0UL) == info->vm_pgt_phys) {
1265 		dev_err(hw->card->dev,
1266 			"Wrong device page table page address!\n");
1267 		return -1;
1268 	}
1269 
1270 	trnctl = 0x13;  /* 32-bit, 4k-size page */
1271 	ptp_phys_low = (u32)info->vm_pgt_phys;
1272 	ptp_phys_high = upper_32_bits(info->vm_pgt_phys);
1273 	if (sizeof(void *) == 8) /* 64bit address */
1274 		trnctl |= (1 << 2);
1275 #if 0 /* Only 4k h/w pages for simplicitiy */
1276 #if PAGE_SIZE == 8192
1277 	trnctl |= (1<<5);
1278 #endif
1279 #endif
1280 	hw_write_20kx(hw, PTPALX, ptp_phys_low);
1281 	hw_write_20kx(hw, PTPAHX, ptp_phys_high);
1282 	hw_write_20kx(hw, TRNCTL, trnctl);
1283 	hw_write_20kx(hw, TRNIS, 0x200c01); /* really needed? */
1284 
1285 	return 0;
1286 }
1287 
1288 /* Card initialization */
1289 #define GCTL_EAC	0x00000001
1290 #define GCTL_EAI	0x00000002
1291 #define GCTL_BEP	0x00000004
1292 #define GCTL_BES	0x00000008
1293 #define GCTL_DSP	0x00000010
1294 #define GCTL_DBP	0x00000020
1295 #define GCTL_ABP	0x00000040
1296 #define GCTL_TBP	0x00000080
1297 #define GCTL_SBP	0x00000100
1298 #define GCTL_FBP	0x00000200
1299 #define GCTL_XA		0x00000400
1300 #define GCTL_ET		0x00000800
1301 #define GCTL_PR		0x00001000
1302 #define GCTL_MRL	0x00002000
1303 #define GCTL_SDE	0x00004000
1304 #define GCTL_SDI	0x00008000
1305 #define GCTL_SM		0x00010000
1306 #define GCTL_SR		0x00020000
1307 #define GCTL_SD		0x00040000
1308 #define GCTL_SE		0x00080000
1309 #define GCTL_AID	0x00100000
1310 
1311 static int hw_pll_init(struct hw *hw, unsigned int rsr)
1312 {
1313 	unsigned int pllctl;
1314 	int i;
1315 
1316 	pllctl = (48000 == rsr) ? 0x1480a001 : 0x1480a731;
1317 	for (i = 0; i < 3; i++) {
1318 		if (hw_read_20kx(hw, PLLCTL) == pllctl)
1319 			break;
1320 
1321 		hw_write_20kx(hw, PLLCTL, pllctl);
1322 		msleep(40);
1323 	}
1324 	if (i >= 3) {
1325 		dev_alert(hw->card->dev, "PLL initialization failed!!!\n");
1326 		return -EBUSY;
1327 	}
1328 
1329 	return 0;
1330 }
1331 
1332 static int hw_auto_init(struct hw *hw)
1333 {
1334 	unsigned int gctl;
1335 	int i;
1336 
1337 	gctl = hw_read_20kx(hw, GCTL);
1338 	set_field(&gctl, GCTL_EAI, 0);
1339 	hw_write_20kx(hw, GCTL, gctl);
1340 	set_field(&gctl, GCTL_EAI, 1);
1341 	hw_write_20kx(hw, GCTL, gctl);
1342 	mdelay(10);
1343 	for (i = 0; i < 400000; i++) {
1344 		gctl = hw_read_20kx(hw, GCTL);
1345 		if (get_field(gctl, GCTL_AID))
1346 			break;
1347 	}
1348 	if (!get_field(gctl, GCTL_AID)) {
1349 		dev_alert(hw->card->dev, "Card Auto-init failed!!!\n");
1350 		return -EBUSY;
1351 	}
1352 
1353 	return 0;
1354 }
1355 
1356 static int i2c_unlock(struct hw *hw)
1357 {
1358 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1359 		return 0;
1360 
1361 	hw_write_pci(hw, 0xcc, 0x8c);
1362 	hw_write_pci(hw, 0xcc, 0x0e);
1363 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1364 		return 0;
1365 
1366 	hw_write_pci(hw, 0xcc, 0xee);
1367 	hw_write_pci(hw, 0xcc, 0xaa);
1368 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1369 		return 0;
1370 
1371 	return -1;
1372 }
1373 
1374 static void i2c_lock(struct hw *hw)
1375 {
1376 	if ((hw_read_pci(hw, 0xcc) & 0xff) == 0xaa)
1377 		hw_write_pci(hw, 0xcc, 0x00);
1378 }
1379 
1380 static void i2c_write(struct hw *hw, u32 device, u32 addr, u32 data)
1381 {
1382 	unsigned int ret;
1383 
1384 	do {
1385 		ret = hw_read_pci(hw, 0xEC);
1386 	} while (!(ret & 0x800000));
1387 	hw_write_pci(hw, 0xE0, device);
1388 	hw_write_pci(hw, 0xE4, (data << 8) | (addr & 0xff));
1389 }
1390 
1391 /* DAC operations */
1392 
1393 static int hw_reset_dac(struct hw *hw)
1394 {
1395 	u32 i;
1396 	u16 gpioorg;
1397 	unsigned int ret;
1398 
1399 	if (i2c_unlock(hw))
1400 		return -1;
1401 
1402 	do {
1403 		ret = hw_read_pci(hw, 0xEC);
1404 	} while (!(ret & 0x800000));
1405 	hw_write_pci(hw, 0xEC, 0x05);  /* write to i2c status control */
1406 
1407 	/* To be effective, need to reset the DAC twice. */
1408 	for (i = 0; i < 2;  i++) {
1409 		/* set gpio */
1410 		msleep(100);
1411 		gpioorg = (u16)hw_read_20kx(hw, GPIO);
1412 		gpioorg &= 0xfffd;
1413 		hw_write_20kx(hw, GPIO, gpioorg);
1414 		mdelay(1);
1415 		hw_write_20kx(hw, GPIO, gpioorg | 0x2);
1416 	}
1417 
1418 	i2c_write(hw, 0x00180080, 0x01, 0x80);
1419 	i2c_write(hw, 0x00180080, 0x02, 0x10);
1420 
1421 	i2c_lock(hw);
1422 
1423 	return 0;
1424 }
1425 
1426 static int hw_dac_init(struct hw *hw, const struct dac_conf *info)
1427 {
1428 	u32 data;
1429 	u16 gpioorg;
1430 	unsigned int ret;
1431 
1432 	if (hw->model == CTSB055X) {
1433 		/* SB055x, unmute outputs */
1434 		gpioorg = (u16)hw_read_20kx(hw, GPIO);
1435 		gpioorg &= 0xffbf;	/* set GPIO6 to low */
1436 		gpioorg |= 2;		/* set GPIO1 to high */
1437 		hw_write_20kx(hw, GPIO, gpioorg);
1438 		return 0;
1439 	}
1440 
1441 	/* mute outputs */
1442 	gpioorg = (u16)hw_read_20kx(hw, GPIO);
1443 	gpioorg &= 0xffbf;
1444 	hw_write_20kx(hw, GPIO, gpioorg);
1445 
1446 	hw_reset_dac(hw);
1447 
1448 	if (i2c_unlock(hw))
1449 		return -1;
1450 
1451 	hw_write_pci(hw, 0xEC, 0x05);  /* write to i2c status control */
1452 	do {
1453 		ret = hw_read_pci(hw, 0xEC);
1454 	} while (!(ret & 0x800000));
1455 
1456 	switch (info->msr) {
1457 	case 1:
1458 		data = 0x24;
1459 		break;
1460 	case 2:
1461 		data = 0x25;
1462 		break;
1463 	case 4:
1464 		data = 0x26;
1465 		break;
1466 	default:
1467 		data = 0x24;
1468 		break;
1469 	}
1470 
1471 	i2c_write(hw, 0x00180080, 0x06, data);
1472 	i2c_write(hw, 0x00180080, 0x09, data);
1473 	i2c_write(hw, 0x00180080, 0x0c, data);
1474 	i2c_write(hw, 0x00180080, 0x0f, data);
1475 
1476 	i2c_lock(hw);
1477 
1478 	/* unmute outputs */
1479 	gpioorg = (u16)hw_read_20kx(hw, GPIO);
1480 	gpioorg = gpioorg | 0x40;
1481 	hw_write_20kx(hw, GPIO, gpioorg);
1482 
1483 	return 0;
1484 }
1485 
1486 /* ADC operations */
1487 
1488 static int is_adc_input_selected_SB055x(struct hw *hw, enum ADCSRC type)
1489 {
1490 	return 0;
1491 }
1492 
1493 static int is_adc_input_selected_SBx(struct hw *hw, enum ADCSRC type)
1494 {
1495 	u32 data;
1496 
1497 	data = hw_read_20kx(hw, GPIO);
1498 	switch (type) {
1499 	case ADC_MICIN:
1500 		data = ((data & (0x1<<7)) && (data & (0x1<<8)));
1501 		break;
1502 	case ADC_LINEIN:
1503 		data = (!(data & (0x1<<7)) && (data & (0x1<<8)));
1504 		break;
1505 	case ADC_NONE: /* Digital I/O */
1506 		data = (!(data & (0x1<<8)));
1507 		break;
1508 	default:
1509 		data = 0;
1510 	}
1511 	return data;
1512 }
1513 
1514 static int is_adc_input_selected_hendrix(struct hw *hw, enum ADCSRC type)
1515 {
1516 	u32 data;
1517 
1518 	data = hw_read_20kx(hw, GPIO);
1519 	switch (type) {
1520 	case ADC_MICIN:
1521 		data = (data & (0x1 << 7)) ? 1 : 0;
1522 		break;
1523 	case ADC_LINEIN:
1524 		data = (data & (0x1 << 7)) ? 0 : 1;
1525 		break;
1526 	default:
1527 		data = 0;
1528 	}
1529 	return data;
1530 }
1531 
1532 static int hw_is_adc_input_selected(struct hw *hw, enum ADCSRC type)
1533 {
1534 	switch (hw->model) {
1535 	case CTSB055X:
1536 		return is_adc_input_selected_SB055x(hw, type);
1537 	case CTSB073X:
1538 		return is_adc_input_selected_hendrix(hw, type);
1539 	case CTUAA:
1540 		return is_adc_input_selected_hendrix(hw, type);
1541 	default:
1542 		return is_adc_input_selected_SBx(hw, type);
1543 	}
1544 }
1545 
1546 static int
1547 adc_input_select_SB055x(struct hw *hw, enum ADCSRC type, unsigned char boost)
1548 {
1549 	u32 data;
1550 
1551 	/*
1552 	 * check and set the following GPIO bits accordingly
1553 	 * ADC_Gain		= GPIO2
1554 	 * DRM_off		= GPIO3
1555 	 * Mic_Pwr_on		= GPIO7
1556 	 * Digital_IO_Sel	= GPIO8
1557 	 * Mic_Sw		= GPIO9
1558 	 * Aux/MicLine_Sw	= GPIO12
1559 	 */
1560 	data = hw_read_20kx(hw, GPIO);
1561 	data &= 0xec73;
1562 	switch (type) {
1563 	case ADC_MICIN:
1564 		data |= (0x1<<7) | (0x1<<8) | (0x1<<9) ;
1565 		data |= boost ? (0x1<<2) : 0;
1566 		break;
1567 	case ADC_LINEIN:
1568 		data |= (0x1<<8);
1569 		break;
1570 	case ADC_AUX:
1571 		data |= (0x1<<8) | (0x1<<12);
1572 		break;
1573 	case ADC_NONE:
1574 		data |= (0x1<<12);  /* set to digital */
1575 		break;
1576 	default:
1577 		return -1;
1578 	}
1579 
1580 	hw_write_20kx(hw, GPIO, data);
1581 
1582 	return 0;
1583 }
1584 
1585 
1586 static int
1587 adc_input_select_SBx(struct hw *hw, enum ADCSRC type, unsigned char boost)
1588 {
1589 	u32 data;
1590 	u32 i2c_data;
1591 	unsigned int ret;
1592 
1593 	if (i2c_unlock(hw))
1594 		return -1;
1595 
1596 	do {
1597 		ret = hw_read_pci(hw, 0xEC);
1598 	} while (!(ret & 0x800000)); /* i2c ready poll */
1599 	/* set i2c access mode as Direct Control */
1600 	hw_write_pci(hw, 0xEC, 0x05);
1601 
1602 	data = hw_read_20kx(hw, GPIO);
1603 	switch (type) {
1604 	case ADC_MICIN:
1605 		data |= ((0x1 << 7) | (0x1 << 8));
1606 		i2c_data = 0x1;  /* Mic-in */
1607 		break;
1608 	case ADC_LINEIN:
1609 		data &= ~(0x1 << 7);
1610 		data |= (0x1 << 8);
1611 		i2c_data = 0x2; /* Line-in */
1612 		break;
1613 	case ADC_NONE:
1614 		data &= ~(0x1 << 8);
1615 		i2c_data = 0x0; /* set to Digital */
1616 		break;
1617 	default:
1618 		i2c_lock(hw);
1619 		return -1;
1620 	}
1621 	hw_write_20kx(hw, GPIO, data);
1622 	i2c_write(hw, 0x001a0080, 0x2a, i2c_data);
1623 	if (boost) {
1624 		i2c_write(hw, 0x001a0080, 0x1c, 0xe7); /* +12dB boost */
1625 		i2c_write(hw, 0x001a0080, 0x1e, 0xe7); /* +12dB boost */
1626 	} else {
1627 		i2c_write(hw, 0x001a0080, 0x1c, 0xcf); /* No boost */
1628 		i2c_write(hw, 0x001a0080, 0x1e, 0xcf); /* No boost */
1629 	}
1630 
1631 	i2c_lock(hw);
1632 
1633 	return 0;
1634 }
1635 
1636 static int
1637 adc_input_select_hendrix(struct hw *hw, enum ADCSRC type, unsigned char boost)
1638 {
1639 	u32 data;
1640 	u32 i2c_data;
1641 	unsigned int ret;
1642 
1643 	if (i2c_unlock(hw))
1644 		return -1;
1645 
1646 	do {
1647 		ret = hw_read_pci(hw, 0xEC);
1648 	} while (!(ret & 0x800000)); /* i2c ready poll */
1649 	/* set i2c access mode as Direct Control */
1650 	hw_write_pci(hw, 0xEC, 0x05);
1651 
1652 	data = hw_read_20kx(hw, GPIO);
1653 	switch (type) {
1654 	case ADC_MICIN:
1655 		data |= (0x1 << 7);
1656 		i2c_data = 0x1;  /* Mic-in */
1657 		break;
1658 	case ADC_LINEIN:
1659 		data &= ~(0x1 << 7);
1660 		i2c_data = 0x2; /* Line-in */
1661 		break;
1662 	default:
1663 		i2c_lock(hw);
1664 		return -1;
1665 	}
1666 	hw_write_20kx(hw, GPIO, data);
1667 	i2c_write(hw, 0x001a0080, 0x2a, i2c_data);
1668 	if (boost) {
1669 		i2c_write(hw, 0x001a0080, 0x1c, 0xe7); /* +12dB boost */
1670 		i2c_write(hw, 0x001a0080, 0x1e, 0xe7); /* +12dB boost */
1671 	} else {
1672 		i2c_write(hw, 0x001a0080, 0x1c, 0xcf); /* No boost */
1673 		i2c_write(hw, 0x001a0080, 0x1e, 0xcf); /* No boost */
1674 	}
1675 
1676 	i2c_lock(hw);
1677 
1678 	return 0;
1679 }
1680 
1681 static int hw_adc_input_select(struct hw *hw, enum ADCSRC type)
1682 {
1683 	int state = type == ADC_MICIN;
1684 
1685 	switch (hw->model) {
1686 	case CTSB055X:
1687 		return adc_input_select_SB055x(hw, type, state);
1688 	case CTSB073X:
1689 		return adc_input_select_hendrix(hw, type, state);
1690 	case CTUAA:
1691 		return adc_input_select_hendrix(hw, type, state);
1692 	default:
1693 		return adc_input_select_SBx(hw, type, state);
1694 	}
1695 }
1696 
1697 static int adc_init_SB055x(struct hw *hw, int input, int mic20db)
1698 {
1699 	return adc_input_select_SB055x(hw, input, mic20db);
1700 }
1701 
1702 static int adc_init_SBx(struct hw *hw, int input, int mic20db)
1703 {
1704 	u16 gpioorg;
1705 	u16 input_source;
1706 	u32 adcdata;
1707 	unsigned int ret;
1708 
1709 	input_source = 0x100;  /* default to analog */
1710 	switch (input) {
1711 	case ADC_MICIN:
1712 		adcdata = 0x1;
1713 		input_source = 0x180;  /* set GPIO7 to select Mic */
1714 		break;
1715 	case ADC_LINEIN:
1716 		adcdata = 0x2;
1717 		break;
1718 	case ADC_VIDEO:
1719 		adcdata = 0x4;
1720 		break;
1721 	case ADC_AUX:
1722 		adcdata = 0x8;
1723 		break;
1724 	case ADC_NONE:
1725 		adcdata = 0x0;
1726 		input_source = 0x0;  /* set to Digital */
1727 		break;
1728 	default:
1729 		adcdata = 0x0;
1730 		break;
1731 	}
1732 
1733 	if (i2c_unlock(hw))
1734 		return -1;
1735 
1736 	do {
1737 		ret = hw_read_pci(hw, 0xEC);
1738 	} while (!(ret & 0x800000)); /* i2c ready poll */
1739 	hw_write_pci(hw, 0xEC, 0x05);  /* write to i2c status control */
1740 
1741 	i2c_write(hw, 0x001a0080, 0x0e, 0x08);
1742 	i2c_write(hw, 0x001a0080, 0x18, 0x0a);
1743 	i2c_write(hw, 0x001a0080, 0x28, 0x86);
1744 	i2c_write(hw, 0x001a0080, 0x2a, adcdata);
1745 
1746 	if (mic20db) {
1747 		i2c_write(hw, 0x001a0080, 0x1c, 0xf7);
1748 		i2c_write(hw, 0x001a0080, 0x1e, 0xf7);
1749 	} else {
1750 		i2c_write(hw, 0x001a0080, 0x1c, 0xcf);
1751 		i2c_write(hw, 0x001a0080, 0x1e, 0xcf);
1752 	}
1753 
1754 	if (!(hw_read_20kx(hw, ID0) & 0x100))
1755 		i2c_write(hw, 0x001a0080, 0x16, 0x26);
1756 
1757 	i2c_lock(hw);
1758 
1759 	gpioorg = (u16)hw_read_20kx(hw,  GPIO);
1760 	gpioorg &= 0xfe7f;
1761 	gpioorg |= input_source;
1762 	hw_write_20kx(hw, GPIO, gpioorg);
1763 
1764 	return 0;
1765 }
1766 
1767 static int hw_adc_init(struct hw *hw, const struct adc_conf *info)
1768 {
1769 	if (hw->model == CTSB055X)
1770 		return adc_init_SB055x(hw, info->input, info->mic20db);
1771 	else
1772 		return adc_init_SBx(hw, info->input, info->mic20db);
1773 }
1774 
1775 static struct capabilities hw_capabilities(struct hw *hw)
1776 {
1777 	struct capabilities cap;
1778 
1779 	/* SB073x and Vista compatible cards have no digit IO switch */
1780 	cap.digit_io_switch = !(hw->model == CTSB073X || hw->model == CTUAA);
1781 	cap.dedicated_mic = 0;
1782 	cap.output_switch = 0;
1783 	cap.mic_source_switch = 0;
1784 
1785 	return cap;
1786 }
1787 
1788 #define CTLBITS(a, b, c, d)	(((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
1789 
1790 #define UAA_CFG_PWRSTATUS	0x44
1791 #define UAA_CFG_SPACE_FLAG	0xA0
1792 #define UAA_CORE_CHANGE		0x3FFC
1793 static int uaa_to_xfi(struct pci_dev *pci)
1794 {
1795 	unsigned int bar0, bar1, bar2, bar3, bar4, bar5;
1796 	unsigned int cmd, irq, cl_size, l_timer, pwr;
1797 	unsigned int is_uaa;
1798 	unsigned int data[4] = {0};
1799 	unsigned int io_base;
1800 	void __iomem *mem_base;
1801 	int i;
1802 	const u32 CTLX = CTLBITS('C', 'T', 'L', 'X');
1803 	const u32 CTL_ = CTLBITS('C', 'T', 'L', '-');
1804 	const u32 CTLF = CTLBITS('C', 'T', 'L', 'F');
1805 	const u32 CTLi = CTLBITS('C', 'T', 'L', 'i');
1806 	const u32 CTLA = CTLBITS('C', 'T', 'L', 'A');
1807 	const u32 CTLZ = CTLBITS('C', 'T', 'L', 'Z');
1808 	const u32 CTLL = CTLBITS('C', 'T', 'L', 'L');
1809 
1810 	/* By default, Hendrix card UAA Bar0 should be using memory... */
1811 	io_base = pci_resource_start(pci, 0);
1812 	mem_base = ioremap(io_base, pci_resource_len(pci, 0));
1813 	if (!mem_base)
1814 		return -ENOENT;
1815 
1816 	/* Read current mode from Mode Change Register */
1817 	for (i = 0; i < 4; i++)
1818 		data[i] = readl(mem_base + UAA_CORE_CHANGE);
1819 
1820 	/* Determine current mode... */
1821 	if (data[0] == CTLA) {
1822 		is_uaa = ((data[1] == CTLZ && data[2] == CTLL
1823 			  && data[3] == CTLA) || (data[1] == CTLA
1824 			  && data[2] == CTLZ && data[3] == CTLL));
1825 	} else if (data[0] == CTLZ) {
1826 		is_uaa = (data[1] == CTLL
1827 				&& data[2] == CTLA && data[3] == CTLA);
1828 	} else if (data[0] == CTLL) {
1829 		is_uaa = (data[1] == CTLA
1830 				&& data[2] == CTLA && data[3] == CTLZ);
1831 	} else {
1832 		is_uaa = 0;
1833 	}
1834 
1835 	if (!is_uaa) {
1836 		/* Not in UAA mode currently. Return directly. */
1837 		iounmap(mem_base);
1838 		return 0;
1839 	}
1840 
1841 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_0, &bar0);
1842 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_1, &bar1);
1843 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_2, &bar2);
1844 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_3, &bar3);
1845 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_4, &bar4);
1846 	pci_read_config_dword(pci, PCI_BASE_ADDRESS_5, &bar5);
1847 	pci_read_config_dword(pci, PCI_INTERRUPT_LINE, &irq);
1848 	pci_read_config_dword(pci, PCI_CACHE_LINE_SIZE, &cl_size);
1849 	pci_read_config_dword(pci, PCI_LATENCY_TIMER, &l_timer);
1850 	pci_read_config_dword(pci, UAA_CFG_PWRSTATUS, &pwr);
1851 	pci_read_config_dword(pci, PCI_COMMAND, &cmd);
1852 
1853 	/* Set up X-Fi core PCI configuration space. */
1854 	/* Switch to X-Fi config space with BAR0 exposed. */
1855 	pci_write_config_dword(pci, UAA_CFG_SPACE_FLAG, 0x87654321);
1856 	/* Copy UAA's BAR5 into X-Fi BAR0 */
1857 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_0, bar5);
1858 	/* Switch to X-Fi config space without BAR0 exposed. */
1859 	pci_write_config_dword(pci, UAA_CFG_SPACE_FLAG, 0x12345678);
1860 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_1, bar1);
1861 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_2, bar2);
1862 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_3, bar3);
1863 	pci_write_config_dword(pci, PCI_BASE_ADDRESS_4, bar4);
1864 	pci_write_config_dword(pci, PCI_INTERRUPT_LINE, irq);
1865 	pci_write_config_dword(pci, PCI_CACHE_LINE_SIZE, cl_size);
1866 	pci_write_config_dword(pci, PCI_LATENCY_TIMER, l_timer);
1867 	pci_write_config_dword(pci, UAA_CFG_PWRSTATUS, pwr);
1868 	pci_write_config_dword(pci, PCI_COMMAND, cmd);
1869 
1870 	/* Switch to X-Fi mode */
1871 	writel(CTLX, (mem_base + UAA_CORE_CHANGE));
1872 	writel(CTL_, (mem_base + UAA_CORE_CHANGE));
1873 	writel(CTLF, (mem_base + UAA_CORE_CHANGE));
1874 	writel(CTLi, (mem_base + UAA_CORE_CHANGE));
1875 
1876 	iounmap(mem_base);
1877 
1878 	return 0;
1879 }
1880 
1881 static irqreturn_t ct_20k1_interrupt(int irq, void *dev_id)
1882 {
1883 	struct hw *hw = dev_id;
1884 	unsigned int status;
1885 
1886 	status = hw_read_20kx(hw, GIP);
1887 	if (!status)
1888 		return IRQ_NONE;
1889 
1890 	if (hw->irq_callback)
1891 		hw->irq_callback(hw->irq_callback_data, status);
1892 
1893 	hw_write_20kx(hw, GIP, status);
1894 	return IRQ_HANDLED;
1895 }
1896 
1897 static int hw_card_start(struct hw *hw)
1898 {
1899 	int err;
1900 	struct pci_dev *pci = hw->pci;
1901 	const unsigned int dma_bits = BITS_PER_LONG;
1902 
1903 	err = pci_enable_device(pci);
1904 	if (err < 0)
1905 		return err;
1906 
1907 	/* Set DMA transfer mask */
1908 	if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) {
1909 		dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits));
1910 	} else {
1911 		dma_set_mask(&pci->dev, DMA_BIT_MASK(32));
1912 		dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(32));
1913 	}
1914 
1915 	if (!hw->io_base) {
1916 		err = pci_request_regions(pci, "XFi");
1917 		if (err < 0)
1918 			goto error1;
1919 
1920 		if (hw->model == CTUAA)
1921 			hw->io_base = pci_resource_start(pci, 5);
1922 		else
1923 			hw->io_base = pci_resource_start(pci, 0);
1924 
1925 	}
1926 
1927 	/* Switch to X-Fi mode from UAA mode if neeeded */
1928 	if (hw->model == CTUAA) {
1929 		err = uaa_to_xfi(pci);
1930 		if (err)
1931 			goto error2;
1932 
1933 	}
1934 
1935 	if (hw->irq < 0) {
1936 		err = request_irq(pci->irq, ct_20k1_interrupt, IRQF_SHARED,
1937 				  KBUILD_MODNAME, hw);
1938 		if (err < 0) {
1939 			dev_err(hw->card->dev,
1940 				"XFi: Cannot get irq %d\n", pci->irq);
1941 			goto error2;
1942 		}
1943 		hw->irq = pci->irq;
1944 	}
1945 
1946 	pci_set_master(pci);
1947 
1948 	return 0;
1949 
1950 error2:
1951 	pci_release_regions(pci);
1952 	hw->io_base = 0;
1953 error1:
1954 	pci_disable_device(pci);
1955 	return err;
1956 }
1957 
1958 static int hw_card_stop(struct hw *hw)
1959 {
1960 	unsigned int data;
1961 
1962 	/* disable transport bus master and queueing of request */
1963 	hw_write_20kx(hw, TRNCTL, 0x00);
1964 
1965 	/* disable pll */
1966 	data = hw_read_20kx(hw, PLLCTL);
1967 	hw_write_20kx(hw, PLLCTL, (data & (~(0x0F<<12))));
1968 
1969 	/* TODO: Disable interrupt and so on... */
1970 	if (hw->irq >= 0)
1971 		synchronize_irq(hw->irq);
1972 	return 0;
1973 }
1974 
1975 static int hw_card_shutdown(struct hw *hw)
1976 {
1977 	if (hw->irq >= 0)
1978 		free_irq(hw->irq, hw);
1979 
1980 	hw->irq	= -1;
1981 	iounmap(hw->mem_base);
1982 	hw->mem_base = NULL;
1983 
1984 	if (hw->io_base)
1985 		pci_release_regions(hw->pci);
1986 
1987 	hw->io_base = 0;
1988 
1989 	pci_disable_device(hw->pci);
1990 
1991 	return 0;
1992 }
1993 
1994 static int hw_card_init(struct hw *hw, struct card_conf *info)
1995 {
1996 	int err;
1997 	unsigned int gctl;
1998 	u32 data;
1999 	struct dac_conf dac_info = {0};
2000 	struct adc_conf adc_info = {0};
2001 	struct daio_conf daio_info = {0};
2002 	struct trn_conf trn_info = {0};
2003 
2004 	/* Get PCI io port base address and do Hendrix switch if needed. */
2005 	err = hw_card_start(hw);
2006 	if (err)
2007 		return err;
2008 
2009 	/* PLL init */
2010 	err = hw_pll_init(hw, info->rsr);
2011 	if (err < 0)
2012 		return err;
2013 
2014 	/* kick off auto-init */
2015 	err = hw_auto_init(hw);
2016 	if (err < 0)
2017 		return err;
2018 
2019 	/* Enable audio ring */
2020 	gctl = hw_read_20kx(hw, GCTL);
2021 	set_field(&gctl, GCTL_EAC, 1);
2022 	set_field(&gctl, GCTL_DBP, 1);
2023 	set_field(&gctl, GCTL_TBP, 1);
2024 	set_field(&gctl, GCTL_FBP, 1);
2025 	set_field(&gctl, GCTL_ET, 1);
2026 	hw_write_20kx(hw, GCTL, gctl);
2027 	mdelay(10);
2028 
2029 	/* Reset all global pending interrupts */
2030 	hw_write_20kx(hw, GIE, 0);
2031 	/* Reset all SRC pending interrupts */
2032 	hw_write_20kx(hw, SRCIP, 0);
2033 	msleep(30);
2034 
2035 	/* Detect the card ID and configure GPIO accordingly. */
2036 	switch (hw->model) {
2037 	case CTSB055X:
2038 		hw_write_20kx(hw, GPIOCTL, 0x13fe);
2039 		break;
2040 	case CTSB073X:
2041 		hw_write_20kx(hw, GPIOCTL, 0x00e6);
2042 		break;
2043 	case CTUAA:
2044 		hw_write_20kx(hw, GPIOCTL, 0x00c2);
2045 		break;
2046 	default:
2047 		hw_write_20kx(hw, GPIOCTL, 0x01e6);
2048 		break;
2049 	}
2050 
2051 	trn_info.vm_pgt_phys = info->vm_pgt_phys;
2052 	err = hw_trn_init(hw, &trn_info);
2053 	if (err < 0)
2054 		return err;
2055 
2056 	daio_info.msr = info->msr;
2057 	err = hw_daio_init(hw, &daio_info);
2058 	if (err < 0)
2059 		return err;
2060 
2061 	dac_info.msr = info->msr;
2062 	err = hw_dac_init(hw, &dac_info);
2063 	if (err < 0)
2064 		return err;
2065 
2066 	adc_info.msr = info->msr;
2067 	adc_info.input = ADC_LINEIN;
2068 	adc_info.mic20db = 0;
2069 	err = hw_adc_init(hw, &adc_info);
2070 	if (err < 0)
2071 		return err;
2072 
2073 	data = hw_read_20kx(hw, SRCMCTL);
2074 	data |= 0x1; /* Enables input from the audio ring */
2075 	hw_write_20kx(hw, SRCMCTL, data);
2076 
2077 	return 0;
2078 }
2079 
2080 #ifdef CONFIG_PM_SLEEP
2081 static int hw_suspend(struct hw *hw)
2082 {
2083 	struct pci_dev *pci = hw->pci;
2084 
2085 	hw_card_stop(hw);
2086 
2087 	if (hw->model == CTUAA) {
2088 		/* Switch to UAA config space. */
2089 		pci_write_config_dword(pci, UAA_CFG_SPACE_FLAG, 0x0);
2090 	}
2091 
2092 	return 0;
2093 }
2094 
2095 static int hw_resume(struct hw *hw, struct card_conf *info)
2096 {
2097 	/* Re-initialize card hardware. */
2098 	return hw_card_init(hw, info);
2099 }
2100 #endif
2101 
2102 static u32 hw_read_20kx(struct hw *hw, u32 reg)
2103 {
2104 	u32 value;
2105 	unsigned long flags;
2106 
2107 	spin_lock_irqsave(
2108 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2109 	outl(reg, hw->io_base + 0x0);
2110 	value = inl(hw->io_base + 0x4);
2111 	spin_unlock_irqrestore(
2112 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2113 
2114 	return value;
2115 }
2116 
2117 static void hw_write_20kx(struct hw *hw, u32 reg, u32 data)
2118 {
2119 	unsigned long flags;
2120 
2121 	spin_lock_irqsave(
2122 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2123 	outl(reg, hw->io_base + 0x0);
2124 	outl(data, hw->io_base + 0x4);
2125 	spin_unlock_irqrestore(
2126 		&container_of(hw, struct hw20k1, hw)->reg_20k1_lock, flags);
2127 
2128 }
2129 
2130 static u32 hw_read_pci(struct hw *hw, u32 reg)
2131 {
2132 	u32 value;
2133 	unsigned long flags;
2134 
2135 	spin_lock_irqsave(
2136 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2137 	outl(reg, hw->io_base + 0x10);
2138 	value = inl(hw->io_base + 0x14);
2139 	spin_unlock_irqrestore(
2140 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2141 
2142 	return value;
2143 }
2144 
2145 static void hw_write_pci(struct hw *hw, u32 reg, u32 data)
2146 {
2147 	unsigned long flags;
2148 
2149 	spin_lock_irqsave(
2150 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2151 	outl(reg, hw->io_base + 0x10);
2152 	outl(data, hw->io_base + 0x14);
2153 	spin_unlock_irqrestore(
2154 		&container_of(hw, struct hw20k1, hw)->reg_pci_lock, flags);
2155 }
2156 
2157 static const struct hw ct20k1_preset = {
2158 	.irq = -1,
2159 
2160 	.card_init = hw_card_init,
2161 	.card_stop = hw_card_stop,
2162 	.pll_init = hw_pll_init,
2163 	.is_adc_source_selected = hw_is_adc_input_selected,
2164 	.select_adc_source = hw_adc_input_select,
2165 	.capabilities = hw_capabilities,
2166 #ifdef CONFIG_PM_SLEEP
2167 	.suspend = hw_suspend,
2168 	.resume = hw_resume,
2169 #endif
2170 
2171 	.src_rsc_get_ctrl_blk = src_get_rsc_ctrl_blk,
2172 	.src_rsc_put_ctrl_blk = src_put_rsc_ctrl_blk,
2173 	.src_mgr_get_ctrl_blk = src_mgr_get_ctrl_blk,
2174 	.src_mgr_put_ctrl_blk = src_mgr_put_ctrl_blk,
2175 	.src_set_state = src_set_state,
2176 	.src_set_bm = src_set_bm,
2177 	.src_set_rsr = src_set_rsr,
2178 	.src_set_sf = src_set_sf,
2179 	.src_set_wr = src_set_wr,
2180 	.src_set_pm = src_set_pm,
2181 	.src_set_rom = src_set_rom,
2182 	.src_set_vo = src_set_vo,
2183 	.src_set_st = src_set_st,
2184 	.src_set_ie = src_set_ie,
2185 	.src_set_ilsz = src_set_ilsz,
2186 	.src_set_bp = src_set_bp,
2187 	.src_set_cisz = src_set_cisz,
2188 	.src_set_ca = src_set_ca,
2189 	.src_set_sa = src_set_sa,
2190 	.src_set_la = src_set_la,
2191 	.src_set_pitch = src_set_pitch,
2192 	.src_set_dirty = src_set_dirty,
2193 	.src_set_clear_zbufs = src_set_clear_zbufs,
2194 	.src_set_dirty_all = src_set_dirty_all,
2195 	.src_commit_write = src_commit_write,
2196 	.src_get_ca = src_get_ca,
2197 	.src_get_dirty = src_get_dirty,
2198 	.src_dirty_conj_mask = src_dirty_conj_mask,
2199 	.src_mgr_enbs_src = src_mgr_enbs_src,
2200 	.src_mgr_enb_src = src_mgr_enb_src,
2201 	.src_mgr_dsb_src = src_mgr_dsb_src,
2202 	.src_mgr_commit_write = src_mgr_commit_write,
2203 
2204 	.srcimp_mgr_get_ctrl_blk = srcimp_mgr_get_ctrl_blk,
2205 	.srcimp_mgr_put_ctrl_blk = srcimp_mgr_put_ctrl_blk,
2206 	.srcimp_mgr_set_imaparc = srcimp_mgr_set_imaparc,
2207 	.srcimp_mgr_set_imapuser = srcimp_mgr_set_imapuser,
2208 	.srcimp_mgr_set_imapnxt = srcimp_mgr_set_imapnxt,
2209 	.srcimp_mgr_set_imapaddr = srcimp_mgr_set_imapaddr,
2210 	.srcimp_mgr_commit_write = srcimp_mgr_commit_write,
2211 
2212 	.amixer_rsc_get_ctrl_blk = amixer_rsc_get_ctrl_blk,
2213 	.amixer_rsc_put_ctrl_blk = amixer_rsc_put_ctrl_blk,
2214 	.amixer_mgr_get_ctrl_blk = amixer_mgr_get_ctrl_blk,
2215 	.amixer_mgr_put_ctrl_blk = amixer_mgr_put_ctrl_blk,
2216 	.amixer_set_mode = amixer_set_mode,
2217 	.amixer_set_iv = amixer_set_iv,
2218 	.amixer_set_x = amixer_set_x,
2219 	.amixer_set_y = amixer_set_y,
2220 	.amixer_set_sadr = amixer_set_sadr,
2221 	.amixer_set_se = amixer_set_se,
2222 	.amixer_set_dirty = amixer_set_dirty,
2223 	.amixer_set_dirty_all = amixer_set_dirty_all,
2224 	.amixer_commit_write = amixer_commit_write,
2225 	.amixer_get_y = amixer_get_y,
2226 	.amixer_get_dirty = amixer_get_dirty,
2227 
2228 	.dai_get_ctrl_blk = dai_get_ctrl_blk,
2229 	.dai_put_ctrl_blk = dai_put_ctrl_blk,
2230 	.dai_srt_set_srco = dai_srt_set_srcr,
2231 	.dai_srt_set_srcm = dai_srt_set_srcl,
2232 	.dai_srt_set_rsr = dai_srt_set_rsr,
2233 	.dai_srt_set_drat = dai_srt_set_drat,
2234 	.dai_srt_set_ec = dai_srt_set_ec,
2235 	.dai_srt_set_et = dai_srt_set_et,
2236 	.dai_commit_write = dai_commit_write,
2237 
2238 	.dao_get_ctrl_blk = dao_get_ctrl_blk,
2239 	.dao_put_ctrl_blk = dao_put_ctrl_blk,
2240 	.dao_set_spos = dao_set_spos,
2241 	.dao_commit_write = dao_commit_write,
2242 	.dao_get_spos = dao_get_spos,
2243 
2244 	.daio_mgr_get_ctrl_blk = daio_mgr_get_ctrl_blk,
2245 	.daio_mgr_put_ctrl_blk = daio_mgr_put_ctrl_blk,
2246 	.daio_mgr_enb_dai = daio_mgr_enb_dai,
2247 	.daio_mgr_dsb_dai = daio_mgr_dsb_dai,
2248 	.daio_mgr_enb_dao = daio_mgr_enb_dao,
2249 	.daio_mgr_dsb_dao = daio_mgr_dsb_dao,
2250 	.daio_mgr_dao_init = daio_mgr_dao_init,
2251 	.daio_mgr_set_imaparc = daio_mgr_set_imaparc,
2252 	.daio_mgr_set_imapnxt = daio_mgr_set_imapnxt,
2253 	.daio_mgr_set_imapaddr = daio_mgr_set_imapaddr,
2254 	.daio_mgr_commit_write = daio_mgr_commit_write,
2255 
2256 	.set_timer_irq = set_timer_irq,
2257 	.set_timer_tick = set_timer_tick,
2258 	.get_wc = get_wc,
2259 };
2260 
2261 int create_20k1_hw_obj(struct hw **rhw)
2262 {
2263 	struct hw20k1 *hw20k1;
2264 
2265 	*rhw = NULL;
2266 	hw20k1 = kzalloc(sizeof(*hw20k1), GFP_KERNEL);
2267 	if (!hw20k1)
2268 		return -ENOMEM;
2269 
2270 	spin_lock_init(&hw20k1->reg_20k1_lock);
2271 	spin_lock_init(&hw20k1->reg_pci_lock);
2272 
2273 	hw20k1->hw = ct20k1_preset;
2274 
2275 	*rhw = &hw20k1->hw;
2276 
2277 	return 0;
2278 }
2279 
2280 int destroy_20k1_hw_obj(struct hw *hw)
2281 {
2282 	if (hw->io_base)
2283 		hw_card_shutdown(hw);
2284 
2285 	kfree(container_of(hw, struct hw20k1, hw));
2286 	return 0;
2287 }
2288