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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	cthw20k2.c
9 *
10 * @Brief
11 * This file contains the implementation of hardware access methord for 20k2.
12 *
13 * @Author	Liu Chun
14 * @Date 	May 14 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/kernel.h>
24#include <linux/interrupt.h>
25#include <linux/delay.h>
26#include "cthw20k2.h"
27#include "ct20k2reg.h"
28
29#if BITS_PER_LONG == 32
30#define CT_XFI_DMA_MASK		DMA_BIT_MASK(32) /* 32 bit PTE */
31#else
32#define CT_XFI_DMA_MASK		DMA_BIT_MASK(64) /* 64 bit PTE */
33#endif
34
35struct hw20k2 {
36	struct hw hw;
37	/* for i2c */
38	unsigned char dev_id;
39	unsigned char addr_size;
40	unsigned char data_size;
41};
42
43static u32 hw_read_20kx(struct hw *hw, u32 reg);
44static void hw_write_20kx(struct hw *hw, u32 reg, u32 data);
45
46/*
47 * Type definition block.
48 * The layout of control structures can be directly applied on 20k2 chip.
49 */
50
51/*
52 * SRC control block definitions.
53 */
54
55/* SRC resource control block */
56#define SRCCTL_STATE	0x00000007
57#define SRCCTL_BM	0x00000008
58#define SRCCTL_RSR	0x00000030
59#define SRCCTL_SF	0x000001C0
60#define SRCCTL_WR	0x00000200
61#define SRCCTL_PM	0x00000400
62#define SRCCTL_ROM	0x00001800
63#define SRCCTL_VO	0x00002000
64#define SRCCTL_ST	0x00004000
65#define SRCCTL_IE	0x00008000
66#define SRCCTL_ILSZ	0x000F0000
67#define SRCCTL_BP	0x00100000
68
69#define SRCCCR_CISZ	0x000007FF
70#define SRCCCR_CWA	0x001FF800
71#define SRCCCR_D	0x00200000
72#define SRCCCR_RS	0x01C00000
73#define SRCCCR_NAL	0x3E000000
74#define SRCCCR_RA	0xC0000000
75
76#define SRCCA_CA	0x0FFFFFFF
77#define SRCCA_RS	0xE0000000
78
79#define SRCSA_SA	0x0FFFFFFF
80
81#define SRCLA_LA	0x0FFFFFFF
82
83/* Mixer Parameter Ring ram Low and Hight register.
84 * Fixed-point value in 8.24 format for parameter channel */
85#define MPRLH_PITCH	0xFFFFFFFF
86
87/* SRC resource register dirty flags */
88union src_dirty {
89	struct {
90		u16 ctl:1;
91		u16 ccr:1;
92		u16 sa:1;
93		u16 la:1;
94		u16 ca:1;
95		u16 mpr:1;
96		u16 czbfs:1;	/* Clear Z-Buffers */
97		u16 rsv:9;
98	} bf;
99	u16 data;
100};
101
102struct src_rsc_ctrl_blk {
103	unsigned int	ctl;
104	unsigned int 	ccr;
105	unsigned int	ca;
106	unsigned int	sa;
107	unsigned int	la;
108	unsigned int	mpr;
109	union src_dirty	dirty;
110};
111
112/* SRC manager control block */
113union src_mgr_dirty {
114	struct {
115		u16 enb0:1;
116		u16 enb1:1;
117		u16 enb2:1;
118		u16 enb3:1;
119		u16 enb4:1;
120		u16 enb5:1;
121		u16 enb6:1;
122		u16 enb7:1;
123		u16 enbsa:1;
124		u16 rsv:7;
125	} bf;
126	u16 data;
127};
128
129struct src_mgr_ctrl_blk {
130	unsigned int		enbsa;
131	unsigned int		enb[8];
132	union src_mgr_dirty	dirty;
133};
134
135/* SRCIMP manager control block */
136#define SRCAIM_ARC	0x00000FFF
137#define SRCAIM_NXT	0x00FF0000
138#define SRCAIM_SRC	0xFF000000
139
140struct srcimap {
141	unsigned int srcaim;
142	unsigned int idx;
143};
144
145/* SRCIMP manager register dirty flags */
146union srcimp_mgr_dirty {
147	struct {
148		u16 srcimap:1;
149		u16 rsv:15;
150	} bf;
151	u16 data;
152};
153
154struct srcimp_mgr_ctrl_blk {
155	struct srcimap		srcimap;
156	union srcimp_mgr_dirty	dirty;
157};
158
159/*
160 * Function implementation block.
161 */
162
163static int src_get_rsc_ctrl_blk(void **rblk)
164{
165	struct src_rsc_ctrl_blk *blk;
166
167	*rblk = NULL;
168	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
169	if (!blk)
170		return -ENOMEM;
171
172	*rblk = blk;
173
174	return 0;
175}
176
177static int src_put_rsc_ctrl_blk(void *blk)
178{
179	kfree(blk);
180
181	return 0;
182}
183
184static int src_set_state(void *blk, unsigned int state)
185{
186	struct src_rsc_ctrl_blk *ctl = blk;
187
188	set_field(&ctl->ctl, SRCCTL_STATE, state);
189	ctl->dirty.bf.ctl = 1;
190	return 0;
191}
192
193static int src_set_bm(void *blk, unsigned int bm)
194{
195	struct src_rsc_ctrl_blk *ctl = blk;
196
197	set_field(&ctl->ctl, SRCCTL_BM, bm);
198	ctl->dirty.bf.ctl = 1;
199	return 0;
200}
201
202static int src_set_rsr(void *blk, unsigned int rsr)
203{
204	struct src_rsc_ctrl_blk *ctl = blk;
205
206	set_field(&ctl->ctl, SRCCTL_RSR, rsr);
207	ctl->dirty.bf.ctl = 1;
208	return 0;
209}
210
211static int src_set_sf(void *blk, unsigned int sf)
212{
213	struct src_rsc_ctrl_blk *ctl = blk;
214
215	set_field(&ctl->ctl, SRCCTL_SF, sf);
216	ctl->dirty.bf.ctl = 1;
217	return 0;
218}
219
220static int src_set_wr(void *blk, unsigned int wr)
221{
222	struct src_rsc_ctrl_blk *ctl = blk;
223
224	set_field(&ctl->ctl, SRCCTL_WR, wr);
225	ctl->dirty.bf.ctl = 1;
226	return 0;
227}
228
229static int src_set_pm(void *blk, unsigned int pm)
230{
231	struct src_rsc_ctrl_blk *ctl = blk;
232
233	set_field(&ctl->ctl, SRCCTL_PM, pm);
234	ctl->dirty.bf.ctl = 1;
235	return 0;
236}
237
238static int src_set_rom(void *blk, unsigned int rom)
239{
240	struct src_rsc_ctrl_blk *ctl = blk;
241
242	set_field(&ctl->ctl, SRCCTL_ROM, rom);
243	ctl->dirty.bf.ctl = 1;
244	return 0;
245}
246
247static int src_set_vo(void *blk, unsigned int vo)
248{
249	struct src_rsc_ctrl_blk *ctl = blk;
250
251	set_field(&ctl->ctl, SRCCTL_VO, vo);
252	ctl->dirty.bf.ctl = 1;
253	return 0;
254}
255
256static int src_set_st(void *blk, unsigned int st)
257{
258	struct src_rsc_ctrl_blk *ctl = blk;
259
260	set_field(&ctl->ctl, SRCCTL_ST, st);
261	ctl->dirty.bf.ctl = 1;
262	return 0;
263}
264
265static int src_set_ie(void *blk, unsigned int ie)
266{
267	struct src_rsc_ctrl_blk *ctl = blk;
268
269	set_field(&ctl->ctl, SRCCTL_IE, ie);
270	ctl->dirty.bf.ctl = 1;
271	return 0;
272}
273
274static int src_set_ilsz(void *blk, unsigned int ilsz)
275{
276	struct src_rsc_ctrl_blk *ctl = blk;
277
278	set_field(&ctl->ctl, SRCCTL_ILSZ, ilsz);
279	ctl->dirty.bf.ctl = 1;
280	return 0;
281}
282
283static int src_set_bp(void *blk, unsigned int bp)
284{
285	struct src_rsc_ctrl_blk *ctl = blk;
286
287	set_field(&ctl->ctl, SRCCTL_BP, bp);
288	ctl->dirty.bf.ctl = 1;
289	return 0;
290}
291
292static int src_set_cisz(void *blk, unsigned int cisz)
293{
294	struct src_rsc_ctrl_blk *ctl = blk;
295
296	set_field(&ctl->ccr, SRCCCR_CISZ, cisz);
297	ctl->dirty.bf.ccr = 1;
298	return 0;
299}
300
301static int src_set_ca(void *blk, unsigned int ca)
302{
303	struct src_rsc_ctrl_blk *ctl = blk;
304
305	set_field(&ctl->ca, SRCCA_CA, ca);
306	ctl->dirty.bf.ca = 1;
307	return 0;
308}
309
310static int src_set_sa(void *blk, unsigned int sa)
311{
312	struct src_rsc_ctrl_blk *ctl = blk;
313
314	set_field(&ctl->sa, SRCSA_SA, sa);
315	ctl->dirty.bf.sa = 1;
316	return 0;
317}
318
319static int src_set_la(void *blk, unsigned int la)
320{
321	struct src_rsc_ctrl_blk *ctl = blk;
322
323	set_field(&ctl->la, SRCLA_LA, la);
324	ctl->dirty.bf.la = 1;
325	return 0;
326}
327
328static int src_set_pitch(void *blk, unsigned int pitch)
329{
330	struct src_rsc_ctrl_blk *ctl = blk;
331
332	set_field(&ctl->mpr, MPRLH_PITCH, pitch);
333	ctl->dirty.bf.mpr = 1;
334	return 0;
335}
336
337static int src_set_clear_zbufs(void *blk, unsigned int clear)
338{
339	((struct src_rsc_ctrl_blk *)blk)->dirty.bf.czbfs = (clear ? 1 : 0);
340	return 0;
341}
342
343static int src_set_dirty(void *blk, unsigned int flags)
344{
345	((struct src_rsc_ctrl_blk *)blk)->dirty.data = (flags & 0xffff);
346	return 0;
347}
348
349static int src_set_dirty_all(void *blk)
350{
351	((struct src_rsc_ctrl_blk *)blk)->dirty.data = ~(0x0);
352	return 0;
353}
354
355#define AR_SLOT_SIZE		4096
356#define AR_SLOT_BLOCK_SIZE	16
357#define AR_PTS_PITCH		6
358#define AR_PARAM_SRC_OFFSET	0x60
359
360static unsigned int src_param_pitch_mixer(unsigned int src_idx)
361{
362	return ((src_idx << 4) + AR_PTS_PITCH + AR_SLOT_SIZE
363			- AR_PARAM_SRC_OFFSET) % AR_SLOT_SIZE;
364
365}
366
367static int src_commit_write(struct hw *hw, unsigned int idx, void *blk)
368{
369	struct src_rsc_ctrl_blk *ctl = blk;
370	int i;
371
372	if (ctl->dirty.bf.czbfs) {
373		/* Clear Z-Buffer registers */
374		for (i = 0; i < 8; i++)
375			hw_write_20kx(hw, SRC_UPZ+idx*0x100+i*0x4, 0);
376
377		for (i = 0; i < 4; i++)
378			hw_write_20kx(hw, SRC_DN0Z+idx*0x100+i*0x4, 0);
379
380		for (i = 0; i < 8; i++)
381			hw_write_20kx(hw, SRC_DN1Z+idx*0x100+i*0x4, 0);
382
383		ctl->dirty.bf.czbfs = 0;
384	}
385	if (ctl->dirty.bf.mpr) {
386		/* Take the parameter mixer resource in the same group as that
387		 * the idx src is in for simplicity. Unlike src, all conjugate
388		 * parameter mixer resources must be programmed for
389		 * corresponding conjugate src resources. */
390		unsigned int pm_idx = src_param_pitch_mixer(idx);
391		hw_write_20kx(hw, MIXER_PRING_LO_HI+4*pm_idx, ctl->mpr);
392		hw_write_20kx(hw, MIXER_PMOPLO+8*pm_idx, 0x3);
393		hw_write_20kx(hw, MIXER_PMOPHI+8*pm_idx, 0x0);
394		ctl->dirty.bf.mpr = 0;
395	}
396	if (ctl->dirty.bf.sa) {
397		hw_write_20kx(hw, SRC_SA+idx*0x100, ctl->sa);
398		ctl->dirty.bf.sa = 0;
399	}
400	if (ctl->dirty.bf.la) {
401		hw_write_20kx(hw, SRC_LA+idx*0x100, ctl->la);
402		ctl->dirty.bf.la = 0;
403	}
404	if (ctl->dirty.bf.ca) {
405		hw_write_20kx(hw, SRC_CA+idx*0x100, ctl->ca);
406		ctl->dirty.bf.ca = 0;
407	}
408
409	/* Write srccf register */
410	hw_write_20kx(hw, SRC_CF+idx*0x100, 0x0);
411
412	if (ctl->dirty.bf.ccr) {
413		hw_write_20kx(hw, SRC_CCR+idx*0x100, ctl->ccr);
414		ctl->dirty.bf.ccr = 0;
415	}
416	if (ctl->dirty.bf.ctl) {
417		hw_write_20kx(hw, SRC_CTL+idx*0x100, ctl->ctl);
418		ctl->dirty.bf.ctl = 0;
419	}
420
421	return 0;
422}
423
424static int src_get_ca(struct hw *hw, unsigned int idx, void *blk)
425{
426	struct src_rsc_ctrl_blk *ctl = blk;
427
428	ctl->ca = hw_read_20kx(hw, SRC_CA+idx*0x100);
429	ctl->dirty.bf.ca = 0;
430
431	return get_field(ctl->ca, SRCCA_CA);
432}
433
434static unsigned int src_get_dirty(void *blk)
435{
436	return ((struct src_rsc_ctrl_blk *)blk)->dirty.data;
437}
438
439static unsigned int src_dirty_conj_mask(void)
440{
441	return 0x20;
442}
443
444static int src_mgr_enbs_src(void *blk, unsigned int idx)
445{
446	((struct src_mgr_ctrl_blk *)blk)->enbsa |= (0x1 << ((idx%128)/4));
447	((struct src_mgr_ctrl_blk *)blk)->dirty.bf.enbsa = 1;
448	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] |= (0x1 << (idx%32));
449	return 0;
450}
451
452static int src_mgr_enb_src(void *blk, unsigned int idx)
453{
454	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] |= (0x1 << (idx%32));
455	((struct src_mgr_ctrl_blk *)blk)->dirty.data |= (0x1 << (idx/32));
456	return 0;
457}
458
459static int src_mgr_dsb_src(void *blk, unsigned int idx)
460{
461	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] &= ~(0x1 << (idx%32));
462	((struct src_mgr_ctrl_blk *)blk)->dirty.data |= (0x1 << (idx/32));
463	return 0;
464}
465
466static int src_mgr_commit_write(struct hw *hw, void *blk)
467{
468	struct src_mgr_ctrl_blk *ctl = blk;
469	int i;
470	unsigned int ret;
471
472	if (ctl->dirty.bf.enbsa) {
473		do {
474			ret = hw_read_20kx(hw, SRC_ENBSTAT);
475		} while (ret & 0x1);
476		hw_write_20kx(hw, SRC_ENBSA, ctl->enbsa);
477		ctl->dirty.bf.enbsa = 0;
478	}
479	for (i = 0; i < 8; i++) {
480		if ((ctl->dirty.data & (0x1 << i))) {
481			hw_write_20kx(hw, SRC_ENB+(i*0x100), ctl->enb[i]);
482			ctl->dirty.data &= ~(0x1 << i);
483		}
484	}
485
486	return 0;
487}
488
489static int src_mgr_get_ctrl_blk(void **rblk)
490{
491	struct src_mgr_ctrl_blk *blk;
492
493	*rblk = NULL;
494	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
495	if (!blk)
496		return -ENOMEM;
497
498	*rblk = blk;
499
500	return 0;
501}
502
503static int src_mgr_put_ctrl_blk(void *blk)
504{
505	kfree(blk);
506
507	return 0;
508}
509
510static int srcimp_mgr_get_ctrl_blk(void **rblk)
511{
512	struct srcimp_mgr_ctrl_blk *blk;
513
514	*rblk = NULL;
515	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
516	if (!blk)
517		return -ENOMEM;
518
519	*rblk = blk;
520
521	return 0;
522}
523
524static int srcimp_mgr_put_ctrl_blk(void *blk)
525{
526	kfree(blk);
527
528	return 0;
529}
530
531static int srcimp_mgr_set_imaparc(void *blk, unsigned int slot)
532{
533	struct srcimp_mgr_ctrl_blk *ctl = blk;
534
535	set_field(&ctl->srcimap.srcaim, SRCAIM_ARC, slot);
536	ctl->dirty.bf.srcimap = 1;
537	return 0;
538}
539
540static int srcimp_mgr_set_imapuser(void *blk, unsigned int user)
541{
542	struct srcimp_mgr_ctrl_blk *ctl = blk;
543
544	set_field(&ctl->srcimap.srcaim, SRCAIM_SRC, user);
545	ctl->dirty.bf.srcimap = 1;
546	return 0;
547}
548
549static int srcimp_mgr_set_imapnxt(void *blk, unsigned int next)
550{
551	struct srcimp_mgr_ctrl_blk *ctl = blk;
552
553	set_field(&ctl->srcimap.srcaim, SRCAIM_NXT, next);
554	ctl->dirty.bf.srcimap = 1;
555	return 0;
556}
557
558static int srcimp_mgr_set_imapaddr(void *blk, unsigned int addr)
559{
560	((struct srcimp_mgr_ctrl_blk *)blk)->srcimap.idx = addr;
561	((struct srcimp_mgr_ctrl_blk *)blk)->dirty.bf.srcimap = 1;
562	return 0;
563}
564
565static int srcimp_mgr_commit_write(struct hw *hw, void *blk)
566{
567	struct srcimp_mgr_ctrl_blk *ctl = blk;
568
569	if (ctl->dirty.bf.srcimap) {
570		hw_write_20kx(hw, SRC_IMAP+ctl->srcimap.idx*0x100,
571						ctl->srcimap.srcaim);
572		ctl->dirty.bf.srcimap = 0;
573	}
574
575	return 0;
576}
577
578/*
579 * AMIXER control block definitions.
580 */
581
582#define AMOPLO_M	0x00000003
583#define AMOPLO_IV	0x00000004
584#define AMOPLO_X	0x0003FFF0
585#define AMOPLO_Y	0xFFFC0000
586
587#define AMOPHI_SADR	0x000000FF
588#define AMOPHI_SE	0x80000000
589
590/* AMIXER resource register dirty flags */
591union amixer_dirty {
592	struct {
593		u16 amoplo:1;
594		u16 amophi:1;
595		u16 rsv:14;
596	} bf;
597	u16 data;
598};
599
600/* AMIXER resource control block */
601struct amixer_rsc_ctrl_blk {
602	unsigned int		amoplo;
603	unsigned int		amophi;
604	union amixer_dirty	dirty;
605};
606
607static int amixer_set_mode(void *blk, unsigned int mode)
608{
609	struct amixer_rsc_ctrl_blk *ctl = blk;
610
611	set_field(&ctl->amoplo, AMOPLO_M, mode);
612	ctl->dirty.bf.amoplo = 1;
613	return 0;
614}
615
616static int amixer_set_iv(void *blk, unsigned int iv)
617{
618	struct amixer_rsc_ctrl_blk *ctl = blk;
619
620	set_field(&ctl->amoplo, AMOPLO_IV, iv);
621	ctl->dirty.bf.amoplo = 1;
622	return 0;
623}
624
625static 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
634static 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
643static 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
652static 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
661static 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
667static int amixer_set_dirty_all(void *blk)
668{
669	((struct amixer_rsc_ctrl_blk *)blk)->dirty.data = ~(0x0);
670	return 0;
671}
672
673static 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, MIXER_AMOPLO+idx*8, ctl->amoplo);
679		ctl->dirty.bf.amoplo = 0;
680		hw_write_20kx(hw, MIXER_AMOPHI+idx*8, ctl->amophi);
681		ctl->dirty.bf.amophi = 0;
682	}
683
684	return 0;
685}
686
687static 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
694static unsigned int amixer_get_dirty(void *blk)
695{
696	return ((struct amixer_rsc_ctrl_blk *)blk)->dirty.data;
697}
698
699static 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
713static int amixer_rsc_put_ctrl_blk(void *blk)
714{
715	kfree(blk);
716
717	return 0;
718}
719
720static int amixer_mgr_get_ctrl_blk(void **rblk)
721{
722	*rblk = NULL;
723
724	return 0;
725}
726
727static int amixer_mgr_put_ctrl_blk(void *blk)
728{
729	return 0;
730}
731
732/*
733 * DAIO control block definitions.
734 */
735
736/* Receiver Sample Rate Tracker Control register */
737#define SRTCTL_SRCO	0x000000FF
738#define SRTCTL_SRCM	0x0000FF00
739#define SRTCTL_RSR	0x00030000
740#define SRTCTL_DRAT	0x00300000
741#define SRTCTL_EC	0x01000000
742#define SRTCTL_ET	0x10000000
743
744/* DAIO Receiver register dirty flags */
745union dai_dirty {
746	struct {
747		u16 srt:1;
748		u16 rsv:15;
749	} bf;
750	u16 data;
751};
752
753/* DAIO Receiver control block */
754struct dai_ctrl_blk {
755	unsigned int	srt;
756	union dai_dirty	dirty;
757};
758
759/* Audio Input Mapper RAM */
760#define AIM_ARC		0x00000FFF
761#define AIM_NXT		0x007F0000
762
763struct daoimap {
764	unsigned int aim;
765	unsigned int idx;
766};
767
768/* Audio Transmitter Control and Status register */
769#define ATXCTL_EN	0x00000001
770#define ATXCTL_MODE	0x00000010
771#define ATXCTL_CD	0x00000020
772#define ATXCTL_RAW	0x00000100
773#define ATXCTL_MT	0x00000200
774#define ATXCTL_NUC	0x00003000
775#define ATXCTL_BEN	0x00010000
776#define ATXCTL_BMUX	0x00700000
777#define ATXCTL_B24	0x01000000
778#define ATXCTL_CPF	0x02000000
779#define ATXCTL_RIV	0x10000000
780#define ATXCTL_LIV	0x20000000
781#define ATXCTL_RSAT	0x40000000
782#define ATXCTL_LSAT	0x80000000
783
784/* XDIF Transmitter register dirty flags */
785union dao_dirty {
786	struct {
787		u16 atxcsl:1;
788		u16 rsv:15;
789	} bf;
790	u16 data;
791};
792
793/* XDIF Transmitter control block */
794struct dao_ctrl_blk {
795	/* XDIF Transmitter Channel Status Low Register */
796	unsigned int	atxcsl;
797	union dao_dirty	dirty;
798};
799
800/* Audio Receiver Control register */
801#define ARXCTL_EN	0x00000001
802
803/* DAIO manager register dirty flags */
804union daio_mgr_dirty {
805	struct {
806		u32 atxctl:8;
807		u32 arxctl:8;
808		u32 daoimap:1;
809		u32 rsv:15;
810	} bf;
811	u32 data;
812};
813
814/* DAIO manager control block */
815struct daio_mgr_ctrl_blk {
816	struct daoimap		daoimap;
817	unsigned int		txctl[8];
818	unsigned int		rxctl[8];
819	union daio_mgr_dirty	dirty;
820};
821
822static int dai_srt_set_srco(void *blk, unsigned int src)
823{
824	struct dai_ctrl_blk *ctl = blk;
825
826	set_field(&ctl->srt, SRTCTL_SRCO, src);
827	ctl->dirty.bf.srt = 1;
828	return 0;
829}
830
831static int dai_srt_set_srcm(void *blk, unsigned int src)
832{
833	struct dai_ctrl_blk *ctl = blk;
834
835	set_field(&ctl->srt, SRTCTL_SRCM, src);
836	ctl->dirty.bf.srt = 1;
837	return 0;
838}
839
840static int dai_srt_set_rsr(void *blk, unsigned int rsr)
841{
842	struct dai_ctrl_blk *ctl = blk;
843
844	set_field(&ctl->srt, SRTCTL_RSR, rsr);
845	ctl->dirty.bf.srt = 1;
846	return 0;
847}
848
849static int dai_srt_set_drat(void *blk, unsigned int drat)
850{
851	struct dai_ctrl_blk *ctl = blk;
852
853	set_field(&ctl->srt, SRTCTL_DRAT, drat);
854	ctl->dirty.bf.srt = 1;
855	return 0;
856}
857
858static int dai_srt_set_ec(void *blk, unsigned int ec)
859{
860	struct dai_ctrl_blk *ctl = blk;
861
862	set_field(&ctl->srt, SRTCTL_EC, ec ? 1 : 0);
863	ctl->dirty.bf.srt = 1;
864	return 0;
865}
866
867static int dai_srt_set_et(void *blk, unsigned int et)
868{
869	struct dai_ctrl_blk *ctl = blk;
870
871	set_field(&ctl->srt, SRTCTL_ET, et ? 1 : 0);
872	ctl->dirty.bf.srt = 1;
873	return 0;
874}
875
876static int dai_commit_write(struct hw *hw, unsigned int idx, void *blk)
877{
878	struct dai_ctrl_blk *ctl = blk;
879
880	if (ctl->dirty.bf.srt) {
881		hw_write_20kx(hw, AUDIO_IO_RX_SRT_CTL+0x40*idx, ctl->srt);
882		ctl->dirty.bf.srt = 0;
883	}
884
885	return 0;
886}
887
888static int dai_get_ctrl_blk(void **rblk)
889{
890	struct dai_ctrl_blk *blk;
891
892	*rblk = NULL;
893	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
894	if (!blk)
895		return -ENOMEM;
896
897	*rblk = blk;
898
899	return 0;
900}
901
902static int dai_put_ctrl_blk(void *blk)
903{
904	kfree(blk);
905
906	return 0;
907}
908
909static int dao_set_spos(void *blk, unsigned int spos)
910{
911	((struct dao_ctrl_blk *)blk)->atxcsl = spos;
912	((struct dao_ctrl_blk *)blk)->dirty.bf.atxcsl = 1;
913	return 0;
914}
915
916static int dao_commit_write(struct hw *hw, unsigned int idx, void *blk)
917{
918	struct dao_ctrl_blk *ctl = blk;
919
920	if (ctl->dirty.bf.atxcsl) {
921		if (idx < 4) {
922			/* S/PDIF SPOSx */
923			hw_write_20kx(hw, AUDIO_IO_TX_CSTAT_L+0x40*idx,
924							ctl->atxcsl);
925		}
926		ctl->dirty.bf.atxcsl = 0;
927	}
928
929	return 0;
930}
931
932static int dao_get_spos(void *blk, unsigned int *spos)
933{
934	*spos = ((struct dao_ctrl_blk *)blk)->atxcsl;
935	return 0;
936}
937
938static int dao_get_ctrl_blk(void **rblk)
939{
940	struct dao_ctrl_blk *blk;
941
942	*rblk = NULL;
943	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
944	if (!blk)
945		return -ENOMEM;
946
947	*rblk = blk;
948
949	return 0;
950}
951
952static int dao_put_ctrl_blk(void *blk)
953{
954	kfree(blk);
955
956	return 0;
957}
958
959static int daio_mgr_enb_dai(void *blk, unsigned int idx)
960{
961	struct daio_mgr_ctrl_blk *ctl = blk;
962
963	set_field(&ctl->rxctl[idx], ARXCTL_EN, 1);
964	ctl->dirty.bf.arxctl |= (0x1 << idx);
965	return 0;
966}
967
968static int daio_mgr_dsb_dai(void *blk, unsigned int idx)
969{
970	struct daio_mgr_ctrl_blk *ctl = blk;
971
972	set_field(&ctl->rxctl[idx], ARXCTL_EN, 0);
973
974	ctl->dirty.bf.arxctl |= (0x1 << idx);
975	return 0;
976}
977
978static int daio_mgr_enb_dao(void *blk, unsigned int idx)
979{
980	struct daio_mgr_ctrl_blk *ctl = blk;
981
982	set_field(&ctl->txctl[idx], ATXCTL_EN, 1);
983	ctl->dirty.bf.atxctl |= (0x1 << idx);
984	return 0;
985}
986
987static int daio_mgr_dsb_dao(void *blk, unsigned int idx)
988{
989	struct daio_mgr_ctrl_blk *ctl = blk;
990
991	set_field(&ctl->txctl[idx], ATXCTL_EN, 0);
992	ctl->dirty.bf.atxctl |= (0x1 << idx);
993	return 0;
994}
995
996static int daio_mgr_dao_init(void *blk, unsigned int idx, unsigned int conf)
997{
998	struct daio_mgr_ctrl_blk *ctl = blk;
999
1000	if (idx < 4) {
1001		/* S/PDIF output */
1002		switch ((conf & 0x7)) {
1003		case 1:
1004			set_field(&ctl->txctl[idx], ATXCTL_NUC, 0);
1005			break;
1006		case 2:
1007			set_field(&ctl->txctl[idx], ATXCTL_NUC, 1);
1008			break;
1009		case 4:
1010			set_field(&ctl->txctl[idx], ATXCTL_NUC, 2);
1011			break;
1012		case 8:
1013			set_field(&ctl->txctl[idx], ATXCTL_NUC, 3);
1014			break;
1015		default:
1016			break;
1017		}
1018		/* CDIF */
1019		set_field(&ctl->txctl[idx], ATXCTL_CD, (!(conf & 0x7)));
1020		/* Non-audio */
1021		set_field(&ctl->txctl[idx], ATXCTL_LIV, (conf >> 4) & 0x1);
1022		/* Non-audio */
1023		set_field(&ctl->txctl[idx], ATXCTL_RIV, (conf >> 4) & 0x1);
1024		set_field(&ctl->txctl[idx], ATXCTL_RAW,
1025			  ((conf >> 3) & 0x1) ? 0 : 0);
1026		ctl->dirty.bf.atxctl |= (0x1 << idx);
1027	} else {
1028		/* I2S output */
1029		/*idx %= 4; */
1030	}
1031	return 0;
1032}
1033
1034static int daio_mgr_set_imaparc(void *blk, unsigned int slot)
1035{
1036	struct daio_mgr_ctrl_blk *ctl = blk;
1037
1038	set_field(&ctl->daoimap.aim, AIM_ARC, slot);
1039	ctl->dirty.bf.daoimap = 1;
1040	return 0;
1041}
1042
1043static int daio_mgr_set_imapnxt(void *blk, unsigned int next)
1044{
1045	struct daio_mgr_ctrl_blk *ctl = blk;
1046
1047	set_field(&ctl->daoimap.aim, AIM_NXT, next);
1048	ctl->dirty.bf.daoimap = 1;
1049	return 0;
1050}
1051
1052static int daio_mgr_set_imapaddr(void *blk, unsigned int addr)
1053{
1054	((struct daio_mgr_ctrl_blk *)blk)->daoimap.idx = addr;
1055	((struct daio_mgr_ctrl_blk *)blk)->dirty.bf.daoimap = 1;
1056	return 0;
1057}
1058
1059static int daio_mgr_commit_write(struct hw *hw, void *blk)
1060{
1061	struct daio_mgr_ctrl_blk *ctl = blk;
1062	unsigned int data;
1063	int i;
1064
1065	for (i = 0; i < 8; i++) {
1066		if ((ctl->dirty.bf.atxctl & (0x1 << i))) {
1067			data = ctl->txctl[i];
1068			hw_write_20kx(hw, (AUDIO_IO_TX_CTL+(0x40*i)), data);
1069			ctl->dirty.bf.atxctl &= ~(0x1 << i);
1070			mdelay(1);
1071		}
1072		if ((ctl->dirty.bf.arxctl & (0x1 << i))) {
1073			data = ctl->rxctl[i];
1074			hw_write_20kx(hw, (AUDIO_IO_RX_CTL+(0x40*i)), data);
1075			ctl->dirty.bf.arxctl &= ~(0x1 << i);
1076			mdelay(1);
1077		}
1078	}
1079	if (ctl->dirty.bf.daoimap) {
1080		hw_write_20kx(hw, AUDIO_IO_AIM+ctl->daoimap.idx*4,
1081						ctl->daoimap.aim);
1082		ctl->dirty.bf.daoimap = 0;
1083	}
1084
1085	return 0;
1086}
1087
1088static int daio_mgr_get_ctrl_blk(struct hw *hw, void **rblk)
1089{
1090	struct daio_mgr_ctrl_blk *blk;
1091	int i;
1092
1093	*rblk = NULL;
1094	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
1095	if (!blk)
1096		return -ENOMEM;
1097
1098	for (i = 0; i < 8; i++) {
1099		blk->txctl[i] = hw_read_20kx(hw, AUDIO_IO_TX_CTL+(0x40*i));
1100		blk->rxctl[i] = hw_read_20kx(hw, AUDIO_IO_RX_CTL+(0x40*i));
1101	}
1102
1103	*rblk = blk;
1104
1105	return 0;
1106}
1107
1108static int daio_mgr_put_ctrl_blk(void *blk)
1109{
1110	kfree(blk);
1111
1112	return 0;
1113}
1114
1115/* Timer interrupt */
1116static int set_timer_irq(struct hw *hw, int enable)
1117{
1118	hw_write_20kx(hw, GIE, enable ? IT_INT : 0);
1119	return 0;
1120}
1121
1122static int set_timer_tick(struct hw *hw, unsigned int ticks)
1123{
1124	if (ticks)
1125		ticks |= TIMR_IE | TIMR_IP;
1126	hw_write_20kx(hw, TIMR, ticks);
1127	return 0;
1128}
1129
1130static unsigned int get_wc(struct hw *hw)
1131{
1132	return hw_read_20kx(hw, WC);
1133}
1134
1135/* Card hardware initialization block */
1136struct dac_conf {
1137	unsigned int msr; /* master sample rate in rsrs */
1138};
1139
1140struct adc_conf {
1141	unsigned int msr; 	/* master sample rate in rsrs */
1142	unsigned char input; 	/* the input source of ADC */
1143	unsigned char mic20db; 	/* boost mic by 20db if input is microphone */
1144};
1145
1146struct daio_conf {
1147	unsigned int msr; /* master sample rate in rsrs */
1148};
1149
1150struct trn_conf {
1151	unsigned long vm_pgt_phys;
1152};
1153
1154static int hw_daio_init(struct hw *hw, const struct daio_conf *info)
1155{
1156	u32 data;
1157	int i;
1158
1159	/* Program I2S with proper sample rate and enable the correct I2S
1160	 * channel. ED(0/8/16/24): Enable all I2S/I2X master clock output */
1161	if (1 == info->msr) {
1162		hw_write_20kx(hw, AUDIO_IO_MCLK, 0x01010101);
1163		hw_write_20kx(hw, AUDIO_IO_TX_BLRCLK, 0x01010101);
1164		hw_write_20kx(hw, AUDIO_IO_RX_BLRCLK, 0);
1165	} else if (2 == info->msr) {
1166		hw_write_20kx(hw, AUDIO_IO_MCLK, 0x11111111);
1167		/* Specify all playing 96khz
1168		 * EA [0]	- Enabled
1169		 * RTA [4:5]	- 96kHz
1170		 * EB [8]	- Enabled
1171		 * RTB [12:13]	- 96kHz
1172		 * EC [16]	- Enabled
1173		 * RTC [20:21]	- 96kHz
1174		 * ED [24]	- Enabled
1175		 * RTD [28:29]	- 96kHz */
1176		hw_write_20kx(hw, AUDIO_IO_TX_BLRCLK, 0x11111111);
1177		hw_write_20kx(hw, AUDIO_IO_RX_BLRCLK, 0);
1178	} else {
1179		printk(KERN_ALERT "ctxfi: ERROR!!! Invalid sampling rate!!!\n");
1180		return -EINVAL;
1181	}
1182
1183	for (i = 0; i < 8; i++) {
1184		if (i <= 3) {
1185			/* 1st 3 channels are SPDIFs (SB0960) */
1186			if (i == 3)
1187				data = 0x1001001;
1188			else
1189				data = 0x1000001;
1190
1191			hw_write_20kx(hw, (AUDIO_IO_TX_CTL+(0x40*i)), data);
1192			hw_write_20kx(hw, (AUDIO_IO_RX_CTL+(0x40*i)), data);
1193
1194			/* Initialize the SPDIF Out Channel status registers.
1195			 * The value specified here is based on the typical
1196			 * values provided in the specification, namely: Clock
1197			 * Accuracy of 1000ppm, Sample Rate of 48KHz,
1198			 * unspecified source number, Generation status = 1,
1199			 * Category code = 0x12 (Digital Signal Mixer),
1200			 * Mode = 0, Emph = 0, Copy Permitted, AN = 0
1201			 * (indicating that we're transmitting digital audio,
1202			 * and the Professional Use bit is 0. */
1203
1204			hw_write_20kx(hw, AUDIO_IO_TX_CSTAT_L+(0x40*i),
1205					0x02109204); /* Default to 48kHz */
1206
1207			hw_write_20kx(hw, AUDIO_IO_TX_CSTAT_H+(0x40*i), 0x0B);
1208		} else {
1209			/* Next 5 channels are I2S (SB0960) */
1210			data = 0x11;
1211			hw_write_20kx(hw, AUDIO_IO_RX_CTL+(0x40*i), data);
1212			if (2 == info->msr) {
1213				/* Four channels per sample period */
1214				data |= 0x1000;
1215			}
1216			hw_write_20kx(hw, AUDIO_IO_TX_CTL+(0x40*i), data);
1217		}
1218	}
1219
1220	return 0;
1221}
1222
1223/* TRANSPORT operations */
1224static int hw_trn_init(struct hw *hw, const struct trn_conf *info)
1225{
1226	u32 vmctl, data;
1227	u32 ptp_phys_low, ptp_phys_high;
1228	int i;
1229
1230	/* Set up device page table */
1231	if ((~0UL) == info->vm_pgt_phys) {
1232		printk(KERN_ALERT "ctxfi: "
1233		       "Wrong device page table page address!!!\n");
1234		return -1;
1235	}
1236
1237	vmctl = 0x80000C0F;  /* 32-bit, 4k-size page */
1238	ptp_phys_low = (u32)info->vm_pgt_phys;
1239	ptp_phys_high = upper_32_bits(info->vm_pgt_phys);
1240	if (sizeof(void *) == 8) /* 64bit address */
1241		vmctl |= (3 << 8);
1242	/* Write page table physical address to all PTPAL registers */
1243	for (i = 0; i < 64; i++) {
1244		hw_write_20kx(hw, VMEM_PTPAL+(16*i), ptp_phys_low);
1245		hw_write_20kx(hw, VMEM_PTPAH+(16*i), ptp_phys_high);
1246	}
1247	/* Enable virtual memory transfer */
1248	hw_write_20kx(hw, VMEM_CTL, vmctl);
1249	/* Enable transport bus master and queueing of request */
1250	hw_write_20kx(hw, TRANSPORT_CTL, 0x03);
1251	hw_write_20kx(hw, TRANSPORT_INT, 0x200c01);
1252	/* Enable transport ring */
1253	data = hw_read_20kx(hw, TRANSPORT_ENB);
1254	hw_write_20kx(hw, TRANSPORT_ENB, (data | 0x03));
1255
1256	return 0;
1257}
1258
1259/* Card initialization */
1260#define GCTL_AIE	0x00000001
1261#define GCTL_UAA	0x00000002
1262#define GCTL_DPC	0x00000004
1263#define GCTL_DBP	0x00000008
1264#define GCTL_ABP	0x00000010
1265#define GCTL_TBP	0x00000020
1266#define GCTL_SBP	0x00000040
1267#define GCTL_FBP	0x00000080
1268#define GCTL_ME		0x00000100
1269#define GCTL_AID	0x00001000
1270
1271#define PLLCTL_SRC	0x00000007
1272#define PLLCTL_SPE	0x00000008
1273#define PLLCTL_RD	0x000000F0
1274#define PLLCTL_FD	0x0001FF00
1275#define PLLCTL_OD	0x00060000
1276#define PLLCTL_B	0x00080000
1277#define PLLCTL_AS	0x00100000
1278#define PLLCTL_LF	0x03E00000
1279#define PLLCTL_SPS	0x1C000000
1280#define PLLCTL_AD	0x60000000
1281
1282#define PLLSTAT_CCS	0x00000007
1283#define PLLSTAT_SPL	0x00000008
1284#define PLLSTAT_CRD	0x000000F0
1285#define PLLSTAT_CFD	0x0001FF00
1286#define PLLSTAT_SL	0x00020000
1287#define PLLSTAT_FAS	0x00040000
1288#define PLLSTAT_B	0x00080000
1289#define PLLSTAT_PD	0x00100000
1290#define PLLSTAT_OCA	0x00200000
1291#define PLLSTAT_NCA	0x00400000
1292
1293static int hw_pll_init(struct hw *hw, unsigned int rsr)
1294{
1295	unsigned int pllenb;
1296	unsigned int pllctl;
1297	unsigned int pllstat;
1298	int i;
1299
1300	pllenb = 0xB;
1301	hw_write_20kx(hw, PLL_ENB, pllenb);
1302	pllctl = 0x20D00000;
1303	set_field(&pllctl, PLLCTL_FD, 16 - 4);
1304	hw_write_20kx(hw, PLL_CTL, pllctl);
1305	mdelay(40);
1306	pllctl = hw_read_20kx(hw, PLL_CTL);
1307	set_field(&pllctl, PLLCTL_B, 0);
1308	if (48000 == rsr) {
1309		set_field(&pllctl, PLLCTL_FD, 16 - 2);
1310		set_field(&pllctl, PLLCTL_RD, 1 - 1);
1311	} else { /* 44100 */
1312		set_field(&pllctl, PLLCTL_FD, 147 - 2);
1313		set_field(&pllctl, PLLCTL_RD, 10 - 1);
1314	}
1315	hw_write_20kx(hw, PLL_CTL, pllctl);
1316	mdelay(40);
1317	for (i = 0; i < 1000; i++) {
1318		pllstat = hw_read_20kx(hw, PLL_STAT);
1319		if (get_field(pllstat, PLLSTAT_PD))
1320			continue;
1321
1322		if (get_field(pllstat, PLLSTAT_B) !=
1323					get_field(pllctl, PLLCTL_B))
1324			continue;
1325
1326		if (get_field(pllstat, PLLSTAT_CCS) !=
1327					get_field(pllctl, PLLCTL_SRC))
1328			continue;
1329
1330		if (get_field(pllstat, PLLSTAT_CRD) !=
1331					get_field(pllctl, PLLCTL_RD))
1332			continue;
1333
1334		if (get_field(pllstat, PLLSTAT_CFD) !=
1335					get_field(pllctl, PLLCTL_FD))
1336			continue;
1337
1338		break;
1339	}
1340	if (i >= 1000) {
1341		printk(KERN_ALERT "ctxfi: PLL initialization failed!!!\n");
1342		return -EBUSY;
1343	}
1344
1345	return 0;
1346}
1347
1348static int hw_auto_init(struct hw *hw)
1349{
1350	unsigned int gctl;
1351	int i;
1352
1353	gctl = hw_read_20kx(hw, GLOBAL_CNTL_GCTL);
1354	set_field(&gctl, GCTL_AIE, 0);
1355	hw_write_20kx(hw, GLOBAL_CNTL_GCTL, gctl);
1356	set_field(&gctl, GCTL_AIE, 1);
1357	hw_write_20kx(hw, GLOBAL_CNTL_GCTL, gctl);
1358	mdelay(10);
1359	for (i = 0; i < 400000; i++) {
1360		gctl = hw_read_20kx(hw, GLOBAL_CNTL_GCTL);
1361		if (get_field(gctl, GCTL_AID))
1362			break;
1363	}
1364	if (!get_field(gctl, GCTL_AID)) {
1365		printk(KERN_ALERT "ctxfi: Card Auto-init failed!!!\n");
1366		return -EBUSY;
1367	}
1368
1369	return 0;
1370}
1371
1372/* DAC operations */
1373
1374#define CS4382_MC1 		0x1
1375#define CS4382_MC2 		0x2
1376#define CS4382_MC3		0x3
1377#define CS4382_FC		0x4
1378#define CS4382_IC		0x5
1379#define CS4382_XC1		0x6
1380#define CS4382_VCA1 		0x7
1381#define CS4382_VCB1 		0x8
1382#define CS4382_XC2		0x9
1383#define CS4382_VCA2 		0xA
1384#define CS4382_VCB2 		0xB
1385#define CS4382_XC3		0xC
1386#define CS4382_VCA3		0xD
1387#define CS4382_VCB3		0xE
1388#define CS4382_XC4 		0xF
1389#define CS4382_VCA4 		0x10
1390#define CS4382_VCB4 		0x11
1391#define CS4382_CREV 		0x12
1392
1393/* I2C status */
1394#define STATE_LOCKED		0x00
1395#define STATE_UNLOCKED		0xAA
1396#define DATA_READY		0x800000    /* Used with I2C_IF_STATUS */
1397#define DATA_ABORT		0x10000     /* Used with I2C_IF_STATUS */
1398
1399#define I2C_STATUS_DCM	0x00000001
1400#define I2C_STATUS_BC	0x00000006
1401#define I2C_STATUS_APD	0x00000008
1402#define I2C_STATUS_AB	0x00010000
1403#define I2C_STATUS_DR	0x00800000
1404
1405#define I2C_ADDRESS_PTAD	0x0000FFFF
1406#define I2C_ADDRESS_SLAD	0x007F0000
1407
1408struct regs_cs4382 {
1409	u32 mode_control_1;
1410	u32 mode_control_2;
1411	u32 mode_control_3;
1412
1413	u32 filter_control;
1414	u32 invert_control;
1415
1416	u32 mix_control_P1;
1417	u32 vol_control_A1;
1418	u32 vol_control_B1;
1419
1420	u32 mix_control_P2;
1421	u32 vol_control_A2;
1422	u32 vol_control_B2;
1423
1424	u32 mix_control_P3;
1425	u32 vol_control_A3;
1426	u32 vol_control_B3;
1427
1428	u32 mix_control_P4;
1429	u32 vol_control_A4;
1430	u32 vol_control_B4;
1431};
1432
1433static int hw20k2_i2c_unlock_full_access(struct hw *hw)
1434{
1435	u8 UnlockKeySequence_FLASH_FULLACCESS_MODE[2] =  {0xB3, 0xD4};
1436
1437	/* Send keys for forced BIOS mode */
1438	hw_write_20kx(hw, I2C_IF_WLOCK,
1439			UnlockKeySequence_FLASH_FULLACCESS_MODE[0]);
1440	hw_write_20kx(hw, I2C_IF_WLOCK,
1441			UnlockKeySequence_FLASH_FULLACCESS_MODE[1]);
1442	/* Check whether the chip is unlocked */
1443	if (hw_read_20kx(hw, I2C_IF_WLOCK) == STATE_UNLOCKED)
1444		return 0;
1445
1446	return -1;
1447}
1448
1449static int hw20k2_i2c_lock_chip(struct hw *hw)
1450{
1451	/* Write twice */
1452	hw_write_20kx(hw, I2C_IF_WLOCK, STATE_LOCKED);
1453	hw_write_20kx(hw, I2C_IF_WLOCK, STATE_LOCKED);
1454	if (hw_read_20kx(hw, I2C_IF_WLOCK) == STATE_LOCKED)
1455		return 0;
1456
1457	return -1;
1458}
1459
1460static int hw20k2_i2c_init(struct hw *hw, u8 dev_id, u8 addr_size, u8 data_size)
1461{
1462	struct hw20k2 *hw20k2 = (struct hw20k2 *)hw;
1463	int err;
1464	unsigned int i2c_status;
1465	unsigned int i2c_addr;
1466
1467	err = hw20k2_i2c_unlock_full_access(hw);
1468	if (err < 0)
1469		return err;
1470
1471	hw20k2->addr_size = addr_size;
1472	hw20k2->data_size = data_size;
1473	hw20k2->dev_id = dev_id;
1474
1475	i2c_addr = 0;
1476	set_field(&i2c_addr, I2C_ADDRESS_SLAD, dev_id);
1477
1478	hw_write_20kx(hw, I2C_IF_ADDRESS, i2c_addr);
1479
1480	i2c_status = hw_read_20kx(hw, I2C_IF_STATUS);
1481
1482	set_field(&i2c_status, I2C_STATUS_DCM, 1); /* Direct control mode */
1483
1484	hw_write_20kx(hw, I2C_IF_STATUS, i2c_status);
1485
1486	return 0;
1487}
1488
1489static int hw20k2_i2c_uninit(struct hw *hw)
1490{
1491	unsigned int i2c_status;
1492	unsigned int i2c_addr;
1493
1494	i2c_addr = 0;
1495	set_field(&i2c_addr, I2C_ADDRESS_SLAD, 0x57); /* I2C id */
1496
1497	hw_write_20kx(hw, I2C_IF_ADDRESS, i2c_addr);
1498
1499	i2c_status = hw_read_20kx(hw, I2C_IF_STATUS);
1500
1501	set_field(&i2c_status, I2C_STATUS_DCM, 0); /* I2C mode */
1502
1503	hw_write_20kx(hw, I2C_IF_STATUS, i2c_status);
1504
1505	return hw20k2_i2c_lock_chip(hw);
1506}
1507
1508static int hw20k2_i2c_wait_data_ready(struct hw *hw)
1509{
1510	int i = 0x400000;
1511	unsigned int ret;
1512
1513	do {
1514		ret = hw_read_20kx(hw, I2C_IF_STATUS);
1515	} while ((!(ret & DATA_READY)) && --i);
1516
1517	return i;
1518}
1519
1520static int hw20k2_i2c_read(struct hw *hw, u16 addr, u32 *datap)
1521{
1522	struct hw20k2 *hw20k2 = (struct hw20k2 *)hw;
1523	unsigned int i2c_status;
1524
1525	i2c_status = hw_read_20kx(hw, I2C_IF_STATUS);
1526	set_field(&i2c_status, I2C_STATUS_BC,
1527		  (4 == hw20k2->addr_size) ? 0 : hw20k2->addr_size);
1528	hw_write_20kx(hw, I2C_IF_STATUS, i2c_status);
1529	if (!hw20k2_i2c_wait_data_ready(hw))
1530		return -1;
1531
1532	hw_write_20kx(hw, I2C_IF_WDATA, addr);
1533	if (!hw20k2_i2c_wait_data_ready(hw))
1534		return -1;
1535
1536	/* Force a read operation */
1537	hw_write_20kx(hw, I2C_IF_RDATA, 0);
1538	if (!hw20k2_i2c_wait_data_ready(hw))
1539		return -1;
1540
1541	*datap = hw_read_20kx(hw, I2C_IF_RDATA);
1542
1543	return 0;
1544}
1545
1546static int hw20k2_i2c_write(struct hw *hw, u16 addr, u32 data)
1547{
1548	struct hw20k2 *hw20k2 = (struct hw20k2 *)hw;
1549	unsigned int i2c_data = (data << (hw20k2->addr_size * 8)) | addr;
1550	unsigned int i2c_status;
1551
1552	i2c_status = hw_read_20kx(hw, I2C_IF_STATUS);
1553
1554	set_field(&i2c_status, I2C_STATUS_BC,
1555		  (4 == (hw20k2->addr_size + hw20k2->data_size)) ?
1556		  0 : (hw20k2->addr_size + hw20k2->data_size));
1557
1558	hw_write_20kx(hw, I2C_IF_STATUS, i2c_status);
1559	hw20k2_i2c_wait_data_ready(hw);
1560	/* Dummy write to trigger the write oprtation */
1561	hw_write_20kx(hw, I2C_IF_WDATA, 0);
1562	hw20k2_i2c_wait_data_ready(hw);
1563
1564	/* This is the real data */
1565	hw_write_20kx(hw, I2C_IF_WDATA, i2c_data);
1566	hw20k2_i2c_wait_data_ready(hw);
1567
1568	return 0;
1569}
1570
1571static int hw_dac_init(struct hw *hw, const struct dac_conf *info)
1572{
1573	int err;
1574	u32 data;
1575	int i;
1576	struct regs_cs4382 cs_read = {0};
1577	struct regs_cs4382 cs_def = {
1578				   0x00000001,  /* Mode Control 1 */
1579				   0x00000000,  /* Mode Control 2 */
1580				   0x00000084,  /* Mode Control 3 */
1581				   0x00000000,  /* Filter Control */
1582				   0x00000000,  /* Invert Control */
1583				   0x00000024,  /* Mixing Control Pair 1 */
1584				   0x00000000,  /* Vol Control A1 */
1585				   0x00000000,  /* Vol Control B1 */
1586				   0x00000024,  /* Mixing Control Pair 2 */
1587				   0x00000000,  /* Vol Control A2 */
1588				   0x00000000,  /* Vol Control B2 */
1589				   0x00000024,  /* Mixing Control Pair 3 */
1590				   0x00000000,  /* Vol Control A3 */
1591				   0x00000000,  /* Vol Control B3 */
1592				   0x00000024,  /* Mixing Control Pair 4 */
1593				   0x00000000,  /* Vol Control A4 */
1594				   0x00000000   /* Vol Control B4 */
1595				 };
1596
1597	/* Set DAC reset bit as output */
1598	data = hw_read_20kx(hw, GPIO_CTRL);
1599	data |= 0x02;
1600	hw_write_20kx(hw, GPIO_CTRL, data);
1601
1602	err = hw20k2_i2c_init(hw, 0x18, 1, 1);
1603	if (err < 0)
1604		goto End;
1605
1606	for (i = 0; i < 2; i++) {
1607		/* Reset DAC twice just in-case the chip
1608		 * didn't initialized properly */
1609		data = hw_read_20kx(hw, GPIO_DATA);
1610		/* GPIO data bit 1 */
1611		data &= 0xFFFFFFFD;
1612		hw_write_20kx(hw, GPIO_DATA, data);
1613		mdelay(10);
1614		data |= 0x2;
1615		hw_write_20kx(hw, GPIO_DATA, data);
1616		mdelay(50);
1617
1618		/* Reset the 2nd time */
1619		data &= 0xFFFFFFFD;
1620		hw_write_20kx(hw, GPIO_DATA, data);
1621		mdelay(10);
1622		data |= 0x2;
1623		hw_write_20kx(hw, GPIO_DATA, data);
1624		mdelay(50);
1625
1626		if (hw20k2_i2c_read(hw, CS4382_MC1,  &cs_read.mode_control_1))
1627			continue;
1628
1629		if (hw20k2_i2c_read(hw, CS4382_MC2,  &cs_read.mode_control_2))
1630			continue;
1631
1632		if (hw20k2_i2c_read(hw, CS4382_MC3,  &cs_read.mode_control_3))
1633			continue;
1634
1635		if (hw20k2_i2c_read(hw, CS4382_FC,   &cs_read.filter_control))
1636			continue;
1637
1638		if (hw20k2_i2c_read(hw, CS4382_IC,   &cs_read.invert_control))
1639			continue;
1640
1641		if (hw20k2_i2c_read(hw, CS4382_XC1,  &cs_read.mix_control_P1))
1642			continue;
1643
1644		if (hw20k2_i2c_read(hw, CS4382_VCA1, &cs_read.vol_control_A1))
1645			continue;
1646
1647		if (hw20k2_i2c_read(hw, CS4382_VCB1, &cs_read.vol_control_B1))
1648			continue;
1649
1650		if (hw20k2_i2c_read(hw, CS4382_XC2,  &cs_read.mix_control_P2))
1651			continue;
1652
1653		if (hw20k2_i2c_read(hw, CS4382_VCA2, &cs_read.vol_control_A2))
1654			continue;
1655
1656		if (hw20k2_i2c_read(hw, CS4382_VCB2, &cs_read.vol_control_B2))
1657			continue;
1658
1659		if (hw20k2_i2c_read(hw, CS4382_XC3,  &cs_read.mix_control_P3))
1660			continue;
1661
1662		if (hw20k2_i2c_read(hw, CS4382_VCA3, &cs_read.vol_control_A3))
1663			continue;
1664
1665		if (hw20k2_i2c_read(hw, CS4382_VCB3, &cs_read.vol_control_B3))
1666			continue;
1667
1668		if (hw20k2_i2c_read(hw, CS4382_XC4,  &cs_read.mix_control_P4))
1669			continue;
1670
1671		if (hw20k2_i2c_read(hw, CS4382_VCA4, &cs_read.vol_control_A4))
1672			continue;
1673
1674		if (hw20k2_i2c_read(hw, CS4382_VCB4, &cs_read.vol_control_B4))
1675			continue;
1676
1677		if (memcmp(&cs_read, &cs_def, sizeof(cs_read)))
1678			continue;
1679		else
1680			break;
1681	}
1682
1683	if (i >= 2)
1684		goto End;
1685
1686	/* Note: Every I2C write must have some delay.
1687	 * This is not a requirement but the delay works here... */
1688	hw20k2_i2c_write(hw, CS4382_MC1, 0x80);
1689	hw20k2_i2c_write(hw, CS4382_MC2, 0x10);
1690	if (1 == info->msr) {
1691		hw20k2_i2c_write(hw, CS4382_XC1, 0x24);
1692		hw20k2_i2c_write(hw, CS4382_XC2, 0x24);
1693		hw20k2_i2c_write(hw, CS4382_XC3, 0x24);
1694		hw20k2_i2c_write(hw, CS4382_XC4, 0x24);
1695	} else if (2 == info->msr) {
1696		hw20k2_i2c_write(hw, CS4382_XC1, 0x25);
1697		hw20k2_i2c_write(hw, CS4382_XC2, 0x25);
1698		hw20k2_i2c_write(hw, CS4382_XC3, 0x25);
1699		hw20k2_i2c_write(hw, CS4382_XC4, 0x25);
1700	} else {
1701		hw20k2_i2c_write(hw, CS4382_XC1, 0x26);
1702		hw20k2_i2c_write(hw, CS4382_XC2, 0x26);
1703		hw20k2_i2c_write(hw, CS4382_XC3, 0x26);
1704		hw20k2_i2c_write(hw, CS4382_XC4, 0x26);
1705	}
1706
1707	return 0;
1708End:
1709
1710	hw20k2_i2c_uninit(hw);
1711	return -1;
1712}
1713
1714/* ADC operations */
1715#define MAKE_WM8775_ADDR(addr, data)	(u32)(((addr<<1)&0xFE)|((data>>8)&0x1))
1716#define MAKE_WM8775_DATA(data)	(u32)(data&0xFF)
1717
1718#define WM8775_IC       0x0B
1719#define WM8775_MMC      0x0C
1720#define WM8775_AADCL    0x0E
1721#define WM8775_AADCR    0x0F
1722#define WM8775_ADCMC    0x15
1723#define WM8775_RESET    0x17
1724
1725static int hw_is_adc_input_selected(struct hw *hw, enum ADCSRC type)
1726{
1727	u32 data;
1728
1729	data = hw_read_20kx(hw, GPIO_DATA);
1730	switch (type) {
1731	case ADC_MICIN:
1732		data = (data & (0x1 << 14)) ? 1 : 0;
1733		break;
1734	case ADC_LINEIN:
1735		data = (data & (0x1 << 14)) ? 0 : 1;
1736		break;
1737	default:
1738		data = 0;
1739	}
1740	return data;
1741}
1742
1743static int hw_adc_input_select(struct hw *hw, enum ADCSRC type)
1744{
1745	u32 data;
1746
1747	data = hw_read_20kx(hw, GPIO_DATA);
1748	switch (type) {
1749	case ADC_MICIN:
1750		data |= (0x1 << 14);
1751		hw_write_20kx(hw, GPIO_DATA, data);
1752		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_ADCMC, 0x101),
1753				MAKE_WM8775_DATA(0x101)); /* Mic-in */
1754		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCL, 0xE7),
1755				MAKE_WM8775_DATA(0xE7)); /* +12dB boost */
1756		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCR, 0xE7),
1757				MAKE_WM8775_DATA(0xE7)); /* +12dB boost */
1758		break;
1759	case ADC_LINEIN:
1760		data &= ~(0x1 << 14);
1761		hw_write_20kx(hw, GPIO_DATA, data);
1762		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_ADCMC, 0x102),
1763				MAKE_WM8775_DATA(0x102)); /* Line-in */
1764		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCL, 0xCF),
1765				MAKE_WM8775_DATA(0xCF)); /* No boost */
1766		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCR, 0xCF),
1767				MAKE_WM8775_DATA(0xCF)); /* No boost */
1768		break;
1769	default:
1770		break;
1771	}
1772
1773	return 0;
1774}
1775
1776static int hw_adc_init(struct hw *hw, const struct adc_conf *info)
1777{
1778	int err;
1779	u32 mux = 2, data, ctl;
1780
1781	/*  Set ADC reset bit as output */
1782	data = hw_read_20kx(hw, GPIO_CTRL);
1783	data |= (0x1 << 15);
1784	hw_write_20kx(hw, GPIO_CTRL, data);
1785
1786	/* Initialize I2C */
1787	err = hw20k2_i2c_init(hw, 0x1A, 1, 1);
1788	if (err < 0) {
1789		printk(KERN_ALERT "ctxfi: Failure to acquire I2C!!!\n");
1790		goto error;
1791	}
1792
1793	/* Make ADC in normal operation */
1794	data = hw_read_20kx(hw, GPIO_DATA);
1795	data &= ~(0x1 << 15);
1796	mdelay(10);
1797	data |= (0x1 << 15);
1798	hw_write_20kx(hw, GPIO_DATA, data);
1799	mdelay(50);
1800
1801	/* Set the master mode (256fs) */
1802	if (1 == info->msr) {
1803		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_MMC, 0x02),
1804						MAKE_WM8775_DATA(0x02));
1805	} else if (2 == info->msr) {
1806		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_MMC, 0x0A),
1807						MAKE_WM8775_DATA(0x0A));
1808	} else {
1809		printk(KERN_ALERT "ctxfi: Invalid master sampling "
1810				  "rate (msr %d)!!!\n", info->msr);
1811		err = -EINVAL;
1812		goto error;
1813	}
1814
1815	/* Configure GPIO bit 14 change to line-in/mic-in */
1816	ctl = hw_read_20kx(hw, GPIO_CTRL);
1817	ctl |= 0x1 << 14;
1818	hw_write_20kx(hw, GPIO_CTRL, ctl);
1819
1820	/* Check using Mic-in or Line-in */
1821	data = hw_read_20kx(hw, GPIO_DATA);
1822
1823	if (mux == 1) {
1824		/* Configures GPIO data to select Mic-in */
1825		data |= 0x1 << 14;
1826		hw_write_20kx(hw, GPIO_DATA, data);
1827
1828		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_ADCMC, 0x101),
1829				MAKE_WM8775_DATA(0x101)); /* Mic-in */
1830		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCL, 0xE7),
1831				MAKE_WM8775_DATA(0xE7)); /* +12dB boost */
1832		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCR, 0xE7),
1833				MAKE_WM8775_DATA(0xE7)); /* +12dB boost */
1834	} else if (mux == 2) {
1835		/* Configures GPIO data to select Line-in */
1836		data &= ~(0x1 << 14);
1837		hw_write_20kx(hw, GPIO_DATA, data);
1838
1839		/* Setup ADC */
1840		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_ADCMC, 0x102),
1841				MAKE_WM8775_DATA(0x102)); /* Line-in */
1842		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCL, 0xCF),
1843				MAKE_WM8775_DATA(0xCF)); /* No boost */
1844		hw20k2_i2c_write(hw, MAKE_WM8775_ADDR(WM8775_AADCR, 0xCF),
1845				MAKE_WM8775_DATA(0xCF)); /* No boost */
1846	} else {
1847		printk(KERN_ALERT "ctxfi: ERROR!!! Invalid input mux!!!\n");
1848		err = -EINVAL;
1849		goto error;
1850	}
1851
1852	return 0;
1853
1854error:
1855	hw20k2_i2c_uninit(hw);
1856	return err;
1857}
1858
1859static int hw_have_digit_io_switch(struct hw *hw)
1860{
1861	return 0;
1862}
1863
1864static irqreturn_t ct_20k2_interrupt(int irq, void *dev_id)
1865{
1866	struct hw *hw = dev_id;
1867	unsigned int status;
1868
1869	status = hw_read_20kx(hw, GIP);
1870	if (!status)
1871		return IRQ_NONE;
1872
1873	if (hw->irq_callback)
1874		hw->irq_callback(hw->irq_callback_data, status);
1875
1876	hw_write_20kx(hw, GIP, status);
1877	return IRQ_HANDLED;
1878}
1879
1880static int hw_card_start(struct hw *hw)
1881{
1882	int err = 0;
1883	struct pci_dev *pci = hw->pci;
1884	unsigned int gctl;
1885
1886	err = pci_enable_device(pci);
1887	if (err < 0)
1888		return err;
1889
1890	/* Set DMA transfer mask */
1891	if (pci_set_dma_mask(pci, CT_XFI_DMA_MASK) < 0 ||
1892	    pci_set_consistent_dma_mask(pci, CT_XFI_DMA_MASK) < 0) {
1893		printk(KERN_ERR "ctxfi: architecture does not support PCI "
1894		"busmaster DMA with mask 0x%llx\n", CT_XFI_DMA_MASK);
1895		err = -ENXIO;
1896		goto error1;
1897	}
1898
1899	if (!hw->io_base) {
1900		err = pci_request_regions(pci, "XFi");
1901		if (err < 0)
1902			goto error1;
1903
1904		hw->io_base = pci_resource_start(hw->pci, 2);
1905		hw->mem_base = (unsigned long)ioremap(hw->io_base,
1906					pci_resource_len(hw->pci, 2));
1907		if (!hw->mem_base) {
1908			err = -ENOENT;
1909			goto error2;
1910		}
1911	}
1912
1913	/* Switch to 20k2 mode from UAA mode. */
1914	gctl = hw_read_20kx(hw, GLOBAL_CNTL_GCTL);
1915	set_field(&gctl, GCTL_UAA, 0);
1916	hw_write_20kx(hw, GLOBAL_CNTL_GCTL, gctl);
1917
1918	if (hw->irq < 0) {
1919		err = request_irq(pci->irq, ct_20k2_interrupt, IRQF_SHARED,
1920				  "ctxfi", hw);
1921		if (err < 0) {
1922			printk(KERN_ERR "XFi: Cannot get irq %d\n", pci->irq);
1923			goto error2;
1924		}
1925		hw->irq = pci->irq;
1926	}
1927
1928	pci_set_master(pci);
1929
1930	return 0;
1931
1932/*error3:
1933	iounmap((void *)hw->mem_base);
1934	hw->mem_base = (unsigned long)NULL;*/
1935error2:
1936	pci_release_regions(pci);
1937	hw->io_base = 0;
1938error1:
1939	pci_disable_device(pci);
1940	return err;
1941}
1942
1943static int hw_card_stop(struct hw *hw)
1944{
1945	unsigned int data;
1946
1947	/* disable transport bus master and queueing of request */
1948	hw_write_20kx(hw, TRANSPORT_CTL, 0x00);
1949
1950	/* disable pll */
1951	data = hw_read_20kx(hw, PLL_ENB);
1952	hw_write_20kx(hw, PLL_ENB, (data & (~0x07)));
1953
1954	/* TODO: Disable interrupt and so on... */
1955	return 0;
1956}
1957
1958static int hw_card_shutdown(struct hw *hw)
1959{
1960	if (hw->irq >= 0)
1961		free_irq(hw->irq, hw);
1962
1963	hw->irq	= -1;
1964
1965	if (hw->mem_base)
1966		iounmap((void *)hw->mem_base);
1967
1968	hw->mem_base = (unsigned long)NULL;
1969
1970	if (hw->io_base)
1971		pci_release_regions(hw->pci);
1972
1973	hw->io_base = 0;
1974
1975	pci_disable_device(hw->pci);
1976
1977	return 0;
1978}
1979
1980static int hw_card_init(struct hw *hw, struct card_conf *info)
1981{
1982	int err;
1983	unsigned int gctl;
1984	u32 data = 0;
1985	struct dac_conf dac_info = {0};
1986	struct adc_conf adc_info = {0};
1987	struct daio_conf daio_info = {0};
1988	struct trn_conf trn_info = {0};
1989
1990	/* Get PCI io port/memory base address and
1991	 * do 20kx core switch if needed. */
1992	err = hw_card_start(hw);
1993	if (err)
1994		return err;
1995
1996	/* PLL init */
1997	err = hw_pll_init(hw, info->rsr);
1998	if (err < 0)
1999		return err;
2000
2001	/* kick off auto-init */
2002	err = hw_auto_init(hw);
2003	if (err < 0)
2004		return err;
2005
2006	gctl = hw_read_20kx(hw, GLOBAL_CNTL_GCTL);
2007	set_field(&gctl, GCTL_DBP, 1);
2008	set_field(&gctl, GCTL_TBP, 1);
2009	set_field(&gctl, GCTL_FBP, 1);
2010	set_field(&gctl, GCTL_DPC, 0);
2011	hw_write_20kx(hw, GLOBAL_CNTL_GCTL, gctl);
2012
2013	/* Reset all global pending interrupts */
2014	hw_write_20kx(hw, GIE, 0);
2015	/* Reset all SRC pending interrupts */
2016	hw_write_20kx(hw, SRC_IP, 0);
2017
2018	/* TODO: detect the card ID and configure GPIO accordingly. */
2019	/* Configures GPIO (0xD802 0x98028) */
2020	/*hw_write_20kx(hw, GPIO_CTRL, 0x7F07);*/
2021	/* Configures GPIO (SB0880) */
2022	/*hw_write_20kx(hw, GPIO_CTRL, 0xFF07);*/
2023	hw_write_20kx(hw, GPIO_CTRL, 0xD802);
2024
2025	/* Enable audio ring */
2026	hw_write_20kx(hw, MIXER_AR_ENABLE, 0x01);
2027
2028	trn_info.vm_pgt_phys = info->vm_pgt_phys;
2029	err = hw_trn_init(hw, &trn_info);
2030	if (err < 0)
2031		return err;
2032
2033	daio_info.msr = info->msr;
2034	err = hw_daio_init(hw, &daio_info);
2035	if (err < 0)
2036		return err;
2037
2038	dac_info.msr = info->msr;
2039	err = hw_dac_init(hw, &dac_info);
2040	if (err < 0)
2041		return err;
2042
2043	adc_info.msr = info->msr;
2044	adc_info.input = ADC_LINEIN;
2045	adc_info.mic20db = 0;
2046	err = hw_adc_init(hw, &adc_info);
2047	if (err < 0)
2048		return err;
2049
2050	data = hw_read_20kx(hw, SRC_MCTL);
2051	data |= 0x1; /* Enables input from the audio ring */
2052	hw_write_20kx(hw, SRC_MCTL, data);
2053
2054	return 0;
2055}
2056
2057#ifdef CONFIG_PM
2058static int hw_suspend(struct hw *hw, pm_message_t state)
2059{
2060	struct pci_dev *pci = hw->pci;
2061
2062	hw_card_stop(hw);
2063
2064	pci_disable_device(pci);
2065	pci_save_state(pci);
2066	pci_set_power_state(pci, pci_choose_state(pci, state));
2067
2068	return 0;
2069}
2070
2071static int hw_resume(struct hw *hw, struct card_conf *info)
2072{
2073	struct pci_dev *pci = hw->pci;
2074
2075	pci_set_power_state(pci, PCI_D0);
2076	pci_restore_state(pci);
2077
2078	/* Re-initialize card hardware. */
2079	return hw_card_init(hw, info);
2080}
2081#endif
2082
2083static u32 hw_read_20kx(struct hw *hw, u32 reg)
2084{
2085	return readl((void *)(hw->mem_base + reg));
2086}
2087
2088static void hw_write_20kx(struct hw *hw, u32 reg, u32 data)
2089{
2090	writel(data, (void *)(hw->mem_base + reg));
2091}
2092
2093static struct hw ct20k2_preset __devinitdata = {
2094	.irq = -1,
2095
2096	.card_init = hw_card_init,
2097	.card_stop = hw_card_stop,
2098	.pll_init = hw_pll_init,
2099	.is_adc_source_selected = hw_is_adc_input_selected,
2100	.select_adc_source = hw_adc_input_select,
2101	.have_digit_io_switch = hw_have_digit_io_switch,
2102#ifdef CONFIG_PM
2103	.suspend = hw_suspend,
2104	.resume = hw_resume,
2105#endif
2106
2107	.src_rsc_get_ctrl_blk = src_get_rsc_ctrl_blk,
2108	.src_rsc_put_ctrl_blk = src_put_rsc_ctrl_blk,
2109	.src_mgr_get_ctrl_blk = src_mgr_get_ctrl_blk,
2110	.src_mgr_put_ctrl_blk = src_mgr_put_ctrl_blk,
2111	.src_set_state = src_set_state,
2112	.src_set_bm = src_set_bm,
2113	.src_set_rsr = src_set_rsr,
2114	.src_set_sf = src_set_sf,
2115	.src_set_wr = src_set_wr,
2116	.src_set_pm = src_set_pm,
2117	.src_set_rom = src_set_rom,
2118	.src_set_vo = src_set_vo,
2119	.src_set_st = src_set_st,
2120	.src_set_ie = src_set_ie,
2121	.src_set_ilsz = src_set_ilsz,
2122	.src_set_bp = src_set_bp,
2123	.src_set_cisz = src_set_cisz,
2124	.src_set_ca = src_set_ca,
2125	.src_set_sa = src_set_sa,
2126	.src_set_la = src_set_la,
2127	.src_set_pitch = src_set_pitch,
2128	.src_set_dirty = src_set_dirty,
2129	.src_set_clear_zbufs = src_set_clear_zbufs,
2130	.src_set_dirty_all = src_set_dirty_all,
2131	.src_commit_write = src_commit_write,
2132	.src_get_ca = src_get_ca,
2133	.src_get_dirty = src_get_dirty,
2134	.src_dirty_conj_mask = src_dirty_conj_mask,
2135	.src_mgr_enbs_src = src_mgr_enbs_src,
2136	.src_mgr_enb_src = src_mgr_enb_src,
2137	.src_mgr_dsb_src = src_mgr_dsb_src,
2138	.src_mgr_commit_write = src_mgr_commit_write,
2139
2140	.srcimp_mgr_get_ctrl_blk = srcimp_mgr_get_ctrl_blk,
2141	.srcimp_mgr_put_ctrl_blk = srcimp_mgr_put_ctrl_blk,
2142	.srcimp_mgr_set_imaparc = srcimp_mgr_set_imaparc,
2143	.srcimp_mgr_set_imapuser = srcimp_mgr_set_imapuser,
2144	.srcimp_mgr_set_imapnxt = srcimp_mgr_set_imapnxt,
2145	.srcimp_mgr_set_imapaddr = srcimp_mgr_set_imapaddr,
2146	.srcimp_mgr_commit_write = srcimp_mgr_commit_write,
2147
2148	.amixer_rsc_get_ctrl_blk = amixer_rsc_get_ctrl_blk,
2149	.amixer_rsc_put_ctrl_blk = amixer_rsc_put_ctrl_blk,
2150	.amixer_mgr_get_ctrl_blk = amixer_mgr_get_ctrl_blk,
2151	.amixer_mgr_put_ctrl_blk = amixer_mgr_put_ctrl_blk,
2152	.amixer_set_mode = amixer_set_mode,
2153	.amixer_set_iv = amixer_set_iv,
2154	.amixer_set_x = amixer_set_x,
2155	.amixer_set_y = amixer_set_y,
2156	.amixer_set_sadr = amixer_set_sadr,
2157	.amixer_set_se = amixer_set_se,
2158	.amixer_set_dirty = amixer_set_dirty,
2159	.amixer_set_dirty_all = amixer_set_dirty_all,
2160	.amixer_commit_write = amixer_commit_write,
2161	.amixer_get_y = amixer_get_y,
2162	.amixer_get_dirty = amixer_get_dirty,
2163
2164	.dai_get_ctrl_blk = dai_get_ctrl_blk,
2165	.dai_put_ctrl_blk = dai_put_ctrl_blk,
2166	.dai_srt_set_srco = dai_srt_set_srco,
2167	.dai_srt_set_srcm = dai_srt_set_srcm,
2168	.dai_srt_set_rsr = dai_srt_set_rsr,
2169	.dai_srt_set_drat = dai_srt_set_drat,
2170	.dai_srt_set_ec = dai_srt_set_ec,
2171	.dai_srt_set_et = dai_srt_set_et,
2172	.dai_commit_write = dai_commit_write,
2173
2174	.dao_get_ctrl_blk = dao_get_ctrl_blk,
2175	.dao_put_ctrl_blk = dao_put_ctrl_blk,
2176	.dao_set_spos = dao_set_spos,
2177	.dao_commit_write = dao_commit_write,
2178	.dao_get_spos = dao_get_spos,
2179
2180	.daio_mgr_get_ctrl_blk = daio_mgr_get_ctrl_blk,
2181	.daio_mgr_put_ctrl_blk = daio_mgr_put_ctrl_blk,
2182	.daio_mgr_enb_dai = daio_mgr_enb_dai,
2183	.daio_mgr_dsb_dai = daio_mgr_dsb_dai,
2184	.daio_mgr_enb_dao = daio_mgr_enb_dao,
2185	.daio_mgr_dsb_dao = daio_mgr_dsb_dao,
2186	.daio_mgr_dao_init = daio_mgr_dao_init,
2187	.daio_mgr_set_imaparc = daio_mgr_set_imaparc,
2188	.daio_mgr_set_imapnxt = daio_mgr_set_imapnxt,
2189	.daio_mgr_set_imapaddr = daio_mgr_set_imapaddr,
2190	.daio_mgr_commit_write = daio_mgr_commit_write,
2191
2192	.set_timer_irq = set_timer_irq,
2193	.set_timer_tick = set_timer_tick,
2194	.get_wc = get_wc,
2195};
2196
2197int __devinit create_20k2_hw_obj(struct hw **rhw)
2198{
2199	struct hw20k2 *hw20k2;
2200
2201	*rhw = NULL;
2202	hw20k2 = kzalloc(sizeof(*hw20k2), GFP_KERNEL);
2203	if (!hw20k2)
2204		return -ENOMEM;
2205
2206	hw20k2->hw = ct20k2_preset;
2207	*rhw = &hw20k2->hw;
2208
2209	return 0;
2210}
2211
2212int destroy_20k2_hw_obj(struct hw *hw)
2213{
2214	if (hw->io_base)
2215		hw_card_shutdown(hw);
2216
2217	kfree(hw);
2218	return 0;
2219}
2220