ALSA: SB X-Fi driver merge

The Sound Blaster X-Fi driver supports Creative solutions based on
20K1 and 20K2 chipsets.

Supported hardware :

Creative Sound Blaster X-Fi Titanium Fatal1ty® Champion Series
Creative Sound Blaster X-Fi Titanium Fatal1ty Professional Series
Creative Sound Blaster X-Fi Titanium Professional Audio
Creative Sound Blaster X-Fi Titanium
Creative Sound Blaster X-Fi Elite Pro
Creative Sound Blaster X-Fi Platinum
Creative Sound Blaster X-Fi Fatal1ty
Creative Sound Blaster X-Fi XtremeGamer
Creative Sound Blaster X-Fi XtremeMusic

Current release features:

* ALSA PCM Playback
* ALSA Record
* ALSA Mixer

Note:

* External I/O modules detection not included.

Signed-off-by: Wai Yew CHAY <wychay@ctl.creative.com>
Singed-off-by: Ryan RICHARDS <ryan_richards@creativelabs.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 2133 insertions, 0 deletions

diff --git a/sound/pci/ctxfi/cthw20k2.c b/sound/pci/ctxfi/cthw20k2.c
new file mode 100644
index 0000000..cdcb75c
--- /dev/null
+++ b/sound/pci/ctxfi/cthw20k2.c
@@ -0,0 +1,2133 @@
+/**
+ * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
+ *
+ * This source file is released under GPL v2 license (no other versions).
+ * See the COPYING file included in the main directory of this source
+ * distribution for the license terms and conditions.
+ *
+ * @File	cthw20k2.c
+ *
+ * @Brief
+ * This file contains the implementation of hardware access methord for 20k2.
+ *
+ * @Author	Liu Chun
+ * @Date 	May 14 2008
+ *
+ */
+
+#include "cthw20k2.h"
+#include "ct20k2reg.h"
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/pci.h>
+#include <linux/io.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+
+#define CT_XFI_DMA_MASK		DMA_BIT_MASK(32) /* 32 bits */
+
+static u32 hw_read_20kx(struct hw *hw, u32 reg);
+static void hw_write_20kx(struct hw *hw, u32 reg, u32 data);
+
+/*
+ * Type definition block.
+ * The layout of control structures can be directly applied on 20k2 chip.
+ */
+
+/*
+ * SRC control block definitions.
+ */
+
+/* SRC resource control block */
+#define SRCCTL_STATE	0x00000007
+#define SRCCTL_BM	0x00000008
+#define SRCCTL_RSR	0x00000030
+#define SRCCTL_SF	0x000001C0
+#define SRCCTL_WR	0x00000200
+#define SRCCTL_PM	0x00000400
+#define SRCCTL_ROM	0x00001800
+#define SRCCTL_VO	0x00002000
+#define SRCCTL_ST	0x00004000
+#define SRCCTL_IE	0x00008000
+#define SRCCTL_ILSZ	0x000F0000
+#define SRCCTL_BP	0x00100000
+
+#define SRCCCR_CISZ	0x000007FF
+#define SRCCCR_CWA	0x001FF800
+#define SRCCCR_D	0x00200000
+#define SRCCCR_RS	0x01C00000
+#define SRCCCR_NAL	0x3E000000
+#define SRCCCR_RA	0xC0000000
+
+#define SRCCA_CA	0x0FFFFFFF
+#define SRCCA_RS	0xE0000000
+
+#define SRCSA_SA	0x0FFFFFFF
+
+#define SRCLA_LA	0x0FFFFFFF
+
+/* Mixer Parameter Ring ram Low and Hight register.
+ * Fixed-point value in 8.24 format for parameter channel */
+#define MPRLH_PITCH	0xFFFFFFFF
+
+/* SRC resource register dirty flags */
+union src_dirty {
+	struct {
+		u16 ctl:1;
+		u16 ccr:1;
+		u16 sa:1;
+		u16 la:1;
+		u16 ca:1;
+		u16 mpr:1;
+		u16 czbfs:1;	/* Clear Z-Buffers */
+		u16 rsv:9;
+	} bf;
+	u16 data;
+};
+
+struct src_rsc_ctrl_blk {
+	unsigned int	ctl;
+	unsigned int 	ccr;
+	unsigned int	ca;
+	unsigned int	sa;
+	unsigned int	la;
+	unsigned int	mpr;
+	union src_dirty	dirty;
+};
+
+/* SRC manager control block */
+union src_mgr_dirty {
+	struct {
+		u16 enb0:1;
+		u16 enb1:1;
+		u16 enb2:1;
+		u16 enb3:1;
+		u16 enb4:1;
+		u16 enb5:1;
+		u16 enb6:1;
+		u16 enb7:1;
+		u16 enbsa:1;
+		u16 rsv:7;
+	} bf;
+	u16 data;
+};
+
+struct src_mgr_ctrl_blk {
+	unsigned int		enbsa;
+	unsigned int		enb[8];
+	union src_mgr_dirty	dirty;
+};
+
+/* SRCIMP manager control block */
+#define SRCAIM_ARC	0x00000FFF
+#define SRCAIM_NXT	0x00FF0000
+#define SRCAIM_SRC	0xFF000000
+
+struct srcimap {
+	unsigned int srcaim;
+	unsigned int idx;
+};
+
+/* SRCIMP manager register dirty flags */
+union srcimp_mgr_dirty {
+	struct {
+		u16 srcimap:1;
+		u16 rsv:15;
+	} bf;
+	u16 data;
+};
+
+struct srcimp_mgr_ctrl_blk {
+	struct srcimap		srcimap;
+	union srcimp_mgr_dirty	dirty;
+};
+
+/*
+ * Function implementation block.
+ */
+
+static int src_get_rsc_ctrl_blk(void **rblk)
+{
+	struct src_rsc_ctrl_blk *blk;
+
+	*rblk = NULL;
+	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
+	if (NULL == blk)
+		return -ENOMEM;
+
+	*rblk = blk;
+
+	return 0;
+}
+
+static int src_put_rsc_ctrl_blk(void *blk)
+{
+	kfree((struct src_rsc_ctrl_blk *)blk);
+
+	return 0;
+}
+
+static int src_set_state(void *blk, unsigned int state)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_STATE, state);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_bm(void *blk, unsigned int bm)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_BM, bm);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_rsr(void *blk, unsigned int rsr)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_RSR, rsr);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_sf(void *blk, unsigned int sf)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_SF, sf);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_wr(void *blk, unsigned int wr)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_WR, wr);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_pm(void *blk, unsigned int pm)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_PM, pm);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_rom(void *blk, unsigned int rom)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_ROM, rom);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_vo(void *blk, unsigned int vo)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_VO, vo);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_st(void *blk, unsigned int st)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_ST, st);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_ie(void *blk, unsigned int ie)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_IE, ie);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_ilsz(void *blk, unsigned int ilsz)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_ILSZ, ilsz);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_bp(void *blk, unsigned int bp)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ctl, SRCCTL_BP, bp);
+	ctl->dirty.bf.ctl = 1;
+	return 0;
+}
+
+static int src_set_cisz(void *blk, unsigned int cisz)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ccr, SRCCCR_CISZ, cisz);
+	ctl->dirty.bf.ccr = 1;
+	return 0;
+}
+
+static int src_set_ca(void *blk, unsigned int ca)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->ca, SRCCA_CA, ca);
+	ctl->dirty.bf.ca = 1;
+	return 0;
+}
+
+static int src_set_sa(void *blk, unsigned int sa)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->sa, SRCSA_SA, sa);
+	ctl->dirty.bf.sa = 1;
+	return 0;
+}
+
+static int src_set_la(void *blk, unsigned int la)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->la, SRCLA_LA, la);
+	ctl->dirty.bf.la = 1;
+	return 0;
+}
+
+static int src_set_pitch(void *blk, unsigned int pitch)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->mpr, MPRLH_PITCH, pitch);
+	ctl->dirty.bf.mpr = 1;
+	return 0;
+}
+
+static int src_set_clear_zbufs(void *blk, unsigned int clear)
+{
+	((struct src_rsc_ctrl_blk *)blk)->dirty.bf.czbfs = (clear ? 1 : 0);
+	return 0;
+}
+
+static int src_set_dirty(void *blk, unsigned int flags)
+{
+	((struct src_rsc_ctrl_blk *)blk)->dirty.data = (flags & 0xffff);
+	return 0;
+}
+
+static int src_set_dirty_all(void *blk)
+{
+	((struct src_rsc_ctrl_blk *)blk)->dirty.data = ~(0x0);
+	return 0;
+}
+
+#define AR_SLOT_SIZE		4096
+#define AR_SLOT_BLOCK_SIZE	16
+#define AR_PTS_PITCH		6
+#define AR_PARAM_SRC_OFFSET	0x60
+
+static unsigned int src_param_pitch_mixer(unsigned int src_idx)
+{
+	return ((src_idx << 4) + AR_PTS_PITCH + AR_SLOT_SIZE
+			- AR_PARAM_SRC_OFFSET) % AR_SLOT_SIZE;
+
+}
+
+static int src_commit_write(struct hw *hw, unsigned int idx, void *blk)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+	int i = 0;
+
+	if (ctl->dirty.bf.czbfs) {
+		/* Clear Z-Buffer registers */
+		for (i = 0; i < 8; i++)
+			hw_write_20kx(hw, SRC_UPZ+idx*0x100+i*0x4, 0);
+
+		for (i = 0; i < 4; i++)
+			hw_write_20kx(hw, SRC_DN0Z+idx*0x100+i*0x4, 0);
+
+		for (i = 0; i < 8; i++)
+			hw_write_20kx(hw, SRC_DN1Z+idx*0x100+i*0x4, 0);
+
+		ctl->dirty.bf.czbfs = 0;
+	}
+	if (ctl->dirty.bf.mpr) {
+		/* Take the parameter mixer resource in the same group as that
+		 * the idx src is in for simplicity. Unlike src, all conjugate
+		 * parameter mixer resources must be programmed for
+		 * corresponding conjugate src resources. */
+		unsigned int pm_idx = src_param_pitch_mixer(idx);
+		hw_write_20kx(hw, MIXER_PRING_LO_HI+4*pm_idx, ctl->mpr);
+		hw_write_20kx(hw, MIXER_PMOPLO+8*pm_idx, 0x3);
+		hw_write_20kx(hw, MIXER_PMOPHI+8*pm_idx, 0x0);
+		ctl->dirty.bf.mpr = 0;
+	}
+	if (ctl->dirty.bf.sa) {
+		hw_write_20kx(hw, SRC_SA+idx*0x100, ctl->sa);
+		ctl->dirty.bf.sa = 0;
+	}
+	if (ctl->dirty.bf.la) {
+		hw_write_20kx(hw, SRC_LA+idx*0x100, ctl->la);
+		ctl->dirty.bf.la = 0;
+	}
+	if (ctl->dirty.bf.ca) {
+		hw_write_20kx(hw, SRC_CA+idx*0x100, ctl->ca);
+		ctl->dirty.bf.ca = 0;
+	}
+
+	/* Write srccf register */
+	hw_write_20kx(hw, SRC_CF+idx*0x100, 0x0);
+
+	if (ctl->dirty.bf.ccr) {
+		hw_write_20kx(hw, SRC_CCR+idx*0x100, ctl->ccr);
+		ctl->dirty.bf.ccr = 0;
+	}
+	if (ctl->dirty.bf.ctl) {
+		hw_write_20kx(hw, SRC_CTL+idx*0x100, ctl->ctl);
+		ctl->dirty.bf.ctl = 0;
+	}
+
+	return 0;
+}
+
+static int src_get_ca(struct hw *hw, unsigned int idx, void *blk)
+{
+	struct src_rsc_ctrl_blk *ctl = blk;
+
+	ctl->ca = hw_read_20kx(hw, SRC_CA+idx*0x100);
+	ctl->dirty.bf.ca = 0;
+
+	return get_field(ctl->ca, SRCCA_CA);
+}
+
+static unsigned int src_get_dirty(void *blk)
+{
+	return ((struct src_rsc_ctrl_blk *)blk)->dirty.data;
+}
+
+static unsigned int src_dirty_conj_mask(void)
+{
+	return 0x20;
+}
+
+static int src_mgr_enbs_src(void *blk, unsigned int idx)
+{
+	((struct src_mgr_ctrl_blk *)blk)->enbsa |= (0x1 << ((idx%128)/4));
+	((struct src_mgr_ctrl_blk *)blk)->dirty.bf.enbsa = 1;
+	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] |= (0x1 << (idx%32));
+	return 0;
+}
+
+static int src_mgr_enb_src(void *blk, unsigned int idx)
+{
+	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] |= (0x1 << (idx%32));
+	((struct src_mgr_ctrl_blk *)blk)->dirty.data |= (0x1 << (idx/32));
+	return 0;
+}
+
+static int src_mgr_dsb_src(void *blk, unsigned int idx)
+{
+	((struct src_mgr_ctrl_blk *)blk)->enb[idx/32] &= ~(0x1 << (idx%32));
+	((struct src_mgr_ctrl_blk *)blk)->dirty.data |= (0x1 << (idx/32));
+	return 0;
+}
+
+static int src_mgr_commit_write(struct hw *hw, void *blk)
+{
+	struct src_mgr_ctrl_blk *ctl = blk;
+	int i = 0;
+	unsigned int ret = 0;
+
+	if (ctl->dirty.bf.enbsa) {
+		do {
+			ret = hw_read_20kx(hw, SRC_ENBSTAT);
+		} while (ret & 0x1);
+		hw_write_20kx(hw, SRC_ENBSA, ctl->enbsa);
+		ctl->dirty.bf.enbsa = 0;
+	}
+	for (i = 0; i < 8; i++) {
+		if ((ctl->dirty.data & (0x1 << i))) {
+			hw_write_20kx(hw, SRC_ENB+(i*0x100), ctl->enb[i]);
+			ctl->dirty.data &= ~(0x1 << i);
+		}
+	}
+
+	return 0;
+}
+
+static int src_mgr_get_ctrl_blk(void **rblk)
+{
+	struct src_mgr_ctrl_blk *blk;
+
+	*rblk = NULL;
+	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
+	if (NULL == blk)
+		return -ENOMEM;
+
+	*rblk = blk;
+
+	return 0;
+}
+
+static int src_mgr_put_ctrl_blk(void *blk)
+{
+	kfree((struct src_mgr_ctrl_blk *)blk);
+
+	return 0;
+}
+
+static int srcimp_mgr_get_ctrl_blk(void **rblk)
+{
+	struct srcimp_mgr_ctrl_blk *blk;
+
+	*rblk = NULL;
+	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
+	if (NULL == blk)
+		return -ENOMEM;
+
+	*rblk = blk;
+
+	return 0;
+}
+
+static int srcimp_mgr_put_ctrl_blk(void *blk)
+{
+	kfree((struct srcimp_mgr_ctrl_blk *)blk);
+
+	return 0;
+}
+
+static int srcimp_mgr_set_imaparc(void *blk, unsigned int slot)
+{
+	struct srcimp_mgr_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->srcimap.srcaim, SRCAIM_ARC, slot);
+	ctl->dirty.bf.srcimap = 1;
+	return 0;
+}
+
+static int srcimp_mgr_set_imapuser(void *blk, unsigned int user)
+{
+	struct srcimp_mgr_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->srcimap.srcaim, SRCAIM_SRC, user);
+	ctl->dirty.bf.srcimap = 1;
+	return 0;
+}
+
+static int srcimp_mgr_set_imapnxt(void *blk, unsigned int next)
+{
+	struct srcimp_mgr_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->srcimap.srcaim, SRCAIM_NXT, next);
+	ctl->dirty.bf.srcimap = 1;
+	return 0;
+}
+
+static int srcimp_mgr_set_imapaddr(void *blk, unsigned int addr)
+{
+	((struct srcimp_mgr_ctrl_blk *)blk)->srcimap.idx = addr;
+	((struct srcimp_mgr_ctrl_blk *)blk)->dirty.bf.srcimap = 1;
+	return 0;
+}
+
+static int srcimp_mgr_commit_write(struct hw *hw, void *blk)
+{
+	struct srcimp_mgr_ctrl_blk *ctl = blk;
+
+	if (ctl->dirty.bf.srcimap) {
+		hw_write_20kx(hw, SRC_IMAP+ctl->srcimap.idx*0x100,
+						ctl->srcimap.srcaim);
+		ctl->dirty.bf.srcimap = 0;
+	}
+
+	return 0;
+}
+
+/*
+ * AMIXER control block definitions.
+ */
+
+#define AMOPLO_M	0x00000003
+#define AMOPLO_IV	0x00000004
+#define AMOPLO_X	0x0003FFF0
+#define AMOPLO_Y	0xFFFC0000
+
+#define AMOPHI_SADR	0x000000FF
+#define AMOPHI_SE	0x80000000
+
+/* AMIXER resource register dirty flags */
+union amixer_dirty {
+	struct {
+		u16 amoplo:1;
+		u16 amophi:1;
+		u16 rsv:14;
+	} bf;
+	u16 data;
+};
+
+/* AMIXER resource control block */
+struct amixer_rsc_ctrl_blk {
+	unsigned int		amoplo;
+	unsigned int		amophi;
+	union amixer_dirty	dirty;
+};
+
+static int amixer_set_mode(void *blk, unsigned int mode)
+{
+	struct amixer_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->amoplo, AMOPLO_M, mode);
+	ctl->dirty.bf.amoplo = 1;
+	return 0;
+}
+
+static int amixer_set_iv(void *blk, unsigned int iv)
+{
+	struct amixer_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->amoplo, AMOPLO_IV, iv);
+	ctl->dirty.bf.amoplo = 1;
+	return 0;
+}
+
+static int amixer_set_x(void *blk, unsigned int x)
+{
+	struct amixer_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->amoplo, AMOPLO_X, x);
+	ctl->dirty.bf.amoplo = 1;
+	return 0;
+}
+
+static int amixer_set_y(void *blk, unsigned int y)
+{
+	struct amixer_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->amoplo, AMOPLO_Y, y);
+	ctl->dirty.bf.amoplo = 1;
+	return 0;
+}
+
+static int amixer_set_sadr(void *blk, unsigned int sadr)
+{
+	struct amixer_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->amophi, AMOPHI_SADR, sadr);
+	ctl->dirty.bf.amophi = 1;
+	return 0;
+}
+
+static int amixer_set_se(void *blk, unsigned int se)
+{
+	struct amixer_rsc_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->amophi, AMOPHI_SE, se);
+	ctl->dirty.bf.amophi = 1;
+	return 0;
+}
+
+static int amixer_set_dirty(void *blk, unsigned int flags)
+{
+	((struct amixer_rsc_ctrl_blk *)blk)->dirty.data = (flags & 0xffff);
+	return 0;
+}
+
+static int amixer_set_dirty_all(void *blk)
+{
+	((struct amixer_rsc_ctrl_blk *)blk)->dirty.data = ~(0x0);
+	return 0;
+}
+
+static int amixer_commit_write(struct hw *hw, unsigned int idx, void *blk)
+{
+	struct amixer_rsc_ctrl_blk *ctl = blk;
+
+	if (ctl->dirty.bf.amoplo || ctl->dirty.bf.amophi) {
+		hw_write_20kx(hw, MIXER_AMOPLO+idx*8, ctl->amoplo);
+		ctl->dirty.bf.amoplo = 0;
+		hw_write_20kx(hw, MIXER_AMOPHI+idx*8, ctl->amophi);
+		ctl->dirty.bf.amophi = 0;
+	}
+
+	return 0;
+}
+
+static int amixer_get_y(void *blk)
+{
+	struct amixer_rsc_ctrl_blk *ctl = blk;
+
+	return get_field(ctl->amoplo, AMOPLO_Y);
+}
+
+static unsigned int amixer_get_dirty(void *blk)
+{
+	return ((struct amixer_rsc_ctrl_blk *)blk)->dirty.data;
+}
+
+static int amixer_rsc_get_ctrl_blk(void **rblk)
+{
+	struct amixer_rsc_ctrl_blk *blk;
+
+	*rblk = NULL;
+	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
+	if (NULL == blk)
+		return -ENOMEM;
+
+	*rblk = blk;
+
+	return 0;
+}
+
+static int amixer_rsc_put_ctrl_blk(void *blk)
+{
+	kfree((struct amixer_rsc_ctrl_blk *)blk);
+
+	return 0;
+}
+
+static int amixer_mgr_get_ctrl_blk(void **rblk)
+{
+	*rblk = NULL;
+
+	return 0;
+}
+
+static int amixer_mgr_put_ctrl_blk(void *blk)
+{
+	return 0;
+}
+
+/*
+ * DAIO control block definitions.
+ */
+
+/* Receiver Sample Rate Tracker Control register */
+#define SRTCTL_SRCO	0x000000FF
+#define SRTCTL_SRCM	0x0000FF00
+#define SRTCTL_RSR	0x00030000
+#define SRTCTL_DRAT	0x00300000
+#define SRTCTL_EC	0x01000000
+#define SRTCTL_ET	0x10000000
+
+/* DAIO Receiver register dirty flags */
+union dai_dirty {
+	struct {
+		u16 srt:1;
+		u16 rsv:15;
+	} bf;
+	u16 data;
+};
+
+/* DAIO Receiver control block */
+struct dai_ctrl_blk {
+	unsigned int	srt;
+	union dai_dirty	dirty;
+};
+
+/* Audio Input Mapper RAM */
+#define AIM_ARC		0x00000FFF
+#define AIM_NXT		0x007F0000
+
+struct daoimap {
+	unsigned int aim;
+	unsigned int idx;
+};
+
+/* Audio Transmitter Control and Status register */
+#define ATXCTL_EN	0x00000001
+#define ATXCTL_MODE	0x00000010
+#define ATXCTL_CD	0x00000020
+#define ATXCTL_RAW	0x00000100
+#define ATXCTL_MT	0x00000200
+#define ATXCTL_NUC	0x00003000
+#define ATXCTL_BEN	0x00010000
+#define ATXCTL_BMUX	0x00700000
+#define ATXCTL_B24	0x01000000
+#define ATXCTL_CPF	0x02000000
+#define ATXCTL_RIV	0x10000000
+#define ATXCTL_LIV	0x20000000
+#define ATXCTL_RSAT	0x40000000
+#define ATXCTL_LSAT	0x80000000
+
+/* XDIF Transmitter register dirty flags */
+union dao_dirty {
+	struct {
+		u16 atxcsl:1;
+		u16 rsv:15;
+	} bf;
+	u16 data;
+};
+
+/* XDIF Transmitter control block */
+struct dao_ctrl_blk {
+	/* XDIF Transmitter Channel Status Low Register */
+	unsigned int	atxcsl;
+	union dao_dirty	dirty;
+};
+
+/* Audio Receiver Control register */
+#define ARXCTL_EN	0x00000001
+
+/* DAIO manager register dirty flags */
+union daio_mgr_dirty {
+	struct {
+		u32 atxctl:8;
+		u32 arxctl:8;
+		u32 daoimap:1;
+		u32 rsv:15;
+	} bf;
+	u32 data;
+};
+
+/* DAIO manager control block */
+struct daio_mgr_ctrl_blk {
+	struct daoimap		daoimap;
+	unsigned int		txctl[8];
+	unsigned int		rxctl[8];
+	union daio_mgr_dirty	dirty;
+};
+
+static int dai_srt_set_srco(void *blk, unsigned int src)
+{
+	struct dai_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->srt, SRTCTL_SRCO, src);
+	ctl->dirty.bf.srt = 1;
+	return 0;
+}
+
+static int dai_srt_set_srcm(void *blk, unsigned int src)
+{
+	struct dai_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->srt, SRTCTL_SRCM, src);
+	ctl->dirty.bf.srt = 1;
+	return 0;
+}
+
+static int dai_srt_set_rsr(void *blk, unsigned int rsr)
+{
+	struct dai_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->srt, SRTCTL_RSR, rsr);
+	ctl->dirty.bf.srt = 1;
+	return 0;
+}
+
+static int dai_srt_set_drat(void *blk, unsigned int drat)
+{
+	struct dai_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->srt, SRTCTL_DRAT, drat);
+	ctl->dirty.bf.srt = 1;
+	return 0;
+}
+
+static int dai_srt_set_ec(void *blk, unsigned int ec)
+{
+	struct dai_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->srt, SRTCTL_EC, ec ? 1 : 0);
+	ctl->dirty.bf.srt = 1;
+	return 0;
+}
+
+static int dai_srt_set_et(void *blk, unsigned int et)
+{
+	struct dai_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->srt, SRTCTL_ET, et ? 1 : 0);
+	ctl->dirty.bf.srt = 1;
+	return 0;
+}
+
+static int dai_commit_write(struct hw *hw, unsigned int idx, void *blk)
+{
+	struct dai_ctrl_blk *ctl = blk;
+
+	if (ctl->dirty.bf.srt) {
+		hw_write_20kx(hw, AUDIO_IO_RX_SRT_CTL+0x40*idx, ctl->srt);
+		ctl->dirty.bf.srt = 0;
+	}
+
+	return 0;
+}
+
+static int dai_get_ctrl_blk(void **rblk)
+{
+	struct dai_ctrl_blk *blk;
+
+	*rblk = NULL;
+	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
+	if (NULL == blk)
+		return -ENOMEM;
+
+	*rblk = blk;
+
+	return 0;
+}
+
+static int dai_put_ctrl_blk(void *blk)
+{
+	kfree((struct dai_ctrl_blk *)blk);
+
+	return 0;
+}
+
+static int dao_set_spos(void *blk, unsigned int spos)
+{
+	((struct dao_ctrl_blk *)blk)->atxcsl = spos;
+	((struct dao_ctrl_blk *)blk)->dirty.bf.atxcsl = 1;
+	return 0;
+}
+
+static int dao_commit_write(struct hw *hw, unsigned int idx, void *blk)
+{
+	struct dao_ctrl_blk *ctl = blk;
+
+	if (ctl->dirty.bf.atxcsl) {
+		if (idx < 4) {
+			/* S/PDIF SPOSx */
+			hw_write_20kx(hw, AUDIO_IO_TX_CSTAT_L+0x40*idx,
+							ctl->atxcsl);
+		}
+		ctl->dirty.bf.atxcsl = 0;
+	}
+
+	return 0;
+}
+
+static int dao_get_spos(void *blk, unsigned int *spos)
+{
+	*spos = ((struct dao_ctrl_blk *)blk)->atxcsl;
+	return 0;
+}
+
+static int dao_get_ctrl_blk(void **rblk)
+{
+	struct dao_ctrl_blk *blk;
+
+	*rblk = NULL;
+	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
+	if (NULL == blk)
+		return -ENOMEM;
+
+	*rblk = blk;
+
+	return 0;
+}
+
+static int dao_put_ctrl_blk(void *blk)
+{
+	kfree((struct dao_ctrl_blk *)blk);
+
+	return 0;
+}
+
+static int daio_mgr_enb_dai(void *blk, unsigned int idx)
+{
+	struct daio_mgr_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->rxctl[idx], ARXCTL_EN, 1);
+	ctl->dirty.bf.arxctl |= (0x1 << idx);
+	return 0;
+}
+
+static int daio_mgr_dsb_dai(void *blk, unsigned int idx)
+{
+	struct daio_mgr_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->rxctl[idx], ARXCTL_EN, 0);
+
+	ctl->dirty.bf.arxctl |= (0x1 << idx);
+	return 0;
+}
+
+static int daio_mgr_enb_dao(void *blk, unsigned int idx)
+{
+	struct daio_mgr_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->txctl[idx], ATXCTL_EN, 1);
+	ctl->dirty.bf.atxctl |= (0x1 << idx);
+	return 0;
+}
+
+static int daio_mgr_dsb_dao(void *blk, unsigned int idx)
+{
+	struct daio_mgr_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->txctl[idx], ATXCTL_EN, 0);
+	ctl->dirty.bf.atxctl |= (0x1 << idx);
+	return 0;
+}
+
+static int daio_mgr_dao_init(void *blk, unsigned int idx, unsigned int conf)
+{
+	struct daio_mgr_ctrl_blk *ctl = blk;
+
+	if (idx < 4) {
+		/* S/PDIF output */
+		switch ((conf & 0x7)) {
+		case 1:
+			set_field(&ctl->txctl[idx], ATXCTL_NUC, 0);
+			break;
+		case 2:
+			set_field(&ctl->txctl[idx], ATXCTL_NUC, 1);
+			break;
+		case 4:
+			set_field(&ctl->txctl[idx], ATXCTL_NUC, 2);
+			break;
+		case 8:
+			set_field(&ctl->txctl[idx], ATXCTL_NUC, 3);
+			break;
+		default:
+			break;
+		}
+		/* CDIF */
+		set_field(&ctl->txctl[idx], ATXCTL_CD, (!(conf & 0x7)));
+		/* Non-audio */
+		set_field(&ctl->txctl[idx], ATXCTL_LIV, (conf >> 4) & 0x1);
+		/* Non-audio */
+		set_field(&ctl->txctl[idx], ATXCTL_RIV, (conf >> 4) & 0x1);
+		set_field(&ctl->txctl[idx], ATXCTL_RAW,
+			  ((conf >> 3) & 0x1) ? 0 : 0);
+		ctl->dirty.bf.atxctl |= (0x1 << idx);
+	} else {
+		/* I2S output */
+		/*idx %= 4; */
+	}
+	return 0;
+}
+
+static int daio_mgr_set_imaparc(void *blk, unsigned int slot)
+{
+	struct daio_mgr_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->daoimap.aim, AIM_ARC, slot);
+	ctl->dirty.bf.daoimap = 1;
+	return 0;
+}
+
+static int daio_mgr_set_imapnxt(void *blk, unsigned int next)
+{
+	struct daio_mgr_ctrl_blk *ctl = blk;
+
+	set_field(&ctl->daoimap.aim, AIM_NXT, next);
+	ctl->dirty.bf.daoimap = 1;
+	return 0;
+}
+
+static int daio_mgr_set_imapaddr(void *blk, unsigned int addr)
+{
+	((struct daio_mgr_ctrl_blk *)blk)->daoimap.idx = addr;
+	((struct daio_mgr_ctrl_blk *)blk)->dirty.bf.daoimap = 1;
+	return 0;
+}
+
+static int daio_mgr_commit_write(struct hw *hw, void *blk)
+{
+	struct daio_mgr_ctrl_blk *ctl = blk;
+	unsigned int data = 0;
+	int i = 0;
+
+	for (i = 0; i < 8; i++) {
+		if ((ctl->dirty.bf.atxctl & (0x1 << i))) {
+			data = ctl->txctl[i];
+			hw_write_20kx(hw, (AUDIO_IO_TX_CTL+(0x40*i)), data);
+			ctl->dirty.bf.atxctl &= ~(0x1 << i);
+			mdelay(1);
+		}
+		if ((ctl->dirty.bf.arxctl & (0x1 << i))) {
+			data = ctl->rxctl[i];
+			hw_write_20kx(hw, (AUDIO_IO_RX_CTL+(0x40*i)), data);
+			ctl->dirty.bf.arxctl &= ~(0x1 << i);
+			mdelay(1);
+		}
+	}
+	if (ctl->dirty.bf.daoimap) {
+		hw_write_20kx(hw, AUDIO_IO_AIM+ctl->daoimap.idx*4,
+						ctl->daoimap.aim);
+		ctl->dirty.bf.daoimap = 0;
+	}
+
+	return 0;
+}
+
+static int daio_mgr_get_ctrl_blk(struct hw *hw, void **rblk)
+{
+	struct daio_mgr_ctrl_blk *blk;
+	int i = 0;
+
+	*rblk = NULL;
+	blk = kzalloc(sizeof(*blk), GFP_KERNEL);
+	if (NULL == blk)
+		return -ENOMEM;
+
+	for (i = 0; i < 8; i++) {
+		blk->txctl[i] = hw_read_20kx(hw, AUDIO_IO_TX_CTL+(0x40*i));
+		blk->rxctl[i] = hw_read_20kx(hw, AUDIO_IO_RX_CTL+(0x40*i));
+	}
+
+	*rblk = blk;
+
+	return 0;
+}
+
+static int daio_mgr_put_ctrl_blk(void *blk)
+{
+	kfree((struct daio_mgr_ctrl_blk *)blk);
+
+	return 0;
+}
+
+/* Card hardware initialization block */
+struct dac_conf {
+	unsigned int msr; /* master sample rate in rsrs */
+};
+
+struct adc_conf {
+	unsigned int msr; 	/* master sample rate in rsrs */
+	unsigned char input; 	/* the input source of ADC */
+	unsigned char mic20db; 	/* boost mic by 20db if input is microphone */
+};
+
+struct daio_conf {
+	unsigned int msr; /* master sample rate in rsrs */
+};
+
+struct trn_conf {
+	unsigned long vm_pgt_phys;
+};
+
+static int hw_daio_init(struct hw *hw, const struct daio_conf *info)
+{
+	u32 dwData = 0;
+	int i;
+
+	/* Program I2S with proper sample rate and enable the correct I2S
+	 * channel. ED(0/8/16/24): Enable all I2S/I2X master clock output */
+	if (1 == info->msr) {
+		hw_write_20kx(hw, AUDIO_IO_MCLK, 0x01010101);
+		hw_write_20kx(hw, AUDIO_IO_TX_BLRCLK, 0x01010101);
+		hw_write_20kx(hw, AUDIO_IO_RX_BLRCLK, 0);
+	} else if (2 == info->msr) {
+		hw_write_20kx(hw, AUDIO_IO_MCLK, 0x11111111);
+		/* Specify all playing 96khz
+		 * EA [0]	- Enabled
+		 * RTA [4:5]	- 96kHz
+		 * EB [8]	- Enabled
+		 * RTB [12:13]	- 96kHz
+		 * EC [16]	- Enabled
+		 * RTC [20:21]	- 96kHz
+		 * ED [24]	- Enabled
+		 * RTD [28:29]	- 96kHz */
+		hw_write_20kx(hw, AUDIO_IO_TX_BLRCLK, 0x11111111);
+		hw_write_20kx(hw, AUDIO_IO_RX_BLRCLK, 0);
+	} else {
+		printk(KERN_ALERT "ERROR!!! Invalid sampling rate!!!\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < 8; i++) {
+		if (i <= 3) {
+			/* 1st 3 channels are SPDIFs (SB0960) */
+			if (i == 3)
+				dwData = 0x1001001;
+			else
+				dwData = 0x1000001;
+
+			hw_write_20kx(hw, (AUDIO_IO_TX_CTL+(0x40*i)), dwData);
+			hw_write_20kx(hw, (AUDIO_IO_RX_CTL+(0x40*i)), dwData);
+
+			/* Initialize the SPDIF Out Channel status registers.
+			 * The value specified here is based on the typical
+			 * values provided in the specification, namely: Clock
+			 * Accuracy of 1000ppm, Sample Rate of 48KHz,
+			 * unspecified source number, Generation status = 1,
+			 * Category code = 0x12 (Digital Signal Mixer),
+			 * Mode = 0, Emph = 0, Copy Permitted, AN = 0
+			 * (indicating that we're transmitting digital audio,
+			 * and the Professional Use bit is 0. */
+
+			hw_write_20kx(hw, AUDIO_IO_TX_CSTAT_L+(0x40*i),
+					0x02109204); /* Default to 48kHz */
+
+			hw_write_20kx(hw, AUDIO_IO_TX_CSTAT_H+(0x40*i), 0x0B);
+		} else {
+			/* Next 5 channels are I2S (SB0960) */
+			dwData = 0x11;
+			hw_write_20kx(hw, AUDIO_IO_RX_CTL+(0x40*i), dwData);
+			if (2 == info->msr) {
+				/* Four channels per sample period */
+				dwData |= 0x1000;
+			}
+			hw_write_20kx(hw, AUDIO_IO_TX_CTL+(0x40*i), dwData);
+		}
+	}
+
+	return 0;
+}
+
+/* TRANSPORT operations */
+static int hw_trn_init(struct hw *hw, const struct trn_conf *info)
+{
+	u32 vmctl = 0, data = 0;
+	unsigned long ptp_phys_low = 0, ptp_phys_high = 0;
+	int i = 0;
+
+	/* Set up device page table */
+	if ((~0UL) == info->vm_pgt_phys) {
+		printk(KERN_ALERT "Wrong device page table page address!!!\n");
+		return -1;
+	}
+
+	vmctl = 0x80000C0F;  /* 32-bit, 4k-size page */
+#if BITS_PER_LONG == 64
+	ptp_phys_low = info->vm_pgt_phys & ((1UL<<32)-1);
+	ptp_phys_high = (info->vm_pgt_phys>>32) & ((1UL<<32)-1);
+	vmctl |= (3<<8);
+#elif BITS_PER_LONG == 32
+	ptp_phys_low = info->vm_pgt_phys & (~0UL);
+	ptp_phys_high = 0;
+#else
+#	error "Unknown BITS_PER_LONG!"
+#endif
+#if PAGE_SIZE == 8192
+#	error "Don't support 8k-page!"
+#endif
+	/* Write page table physical address to all PTPAL registers */
+	for (i = 0; i < 64; i++) {
+		hw_write_20kx(hw, VMEM_PTPAL+(16*i), ptp_phys_low);
+		hw_write_20kx(hw, VMEM_PTPAH+(16*i), ptp_phys_high);
+	}
+	/* Enable virtual memory transfer */
+	hw_write_20kx(hw, VMEM_CTL, vmctl);
+	/* Enable transport bus master and queueing of request */
+	hw_write_20kx(hw, TRANSPORT_CTL, 0x03);
+	hw_write_20kx(hw, TRANSPORT_INT, 0x200c01);
+	/* Enable transport ring */
+	data = hw_read_20kx(hw, TRANSPORT_ENB);
+	hw_write_20kx(hw, TRANSPORT_ENB, (data | 0x03));
+
+	return 0;
+}
+
+/* Card initialization */
+#define GCTL_AIE	0x00000001
+#define GCTL_UAA	0x00000002
+#define GCTL_DPC	0x00000004
+#define GCTL_DBP	0x00000008
+#define GCTL_ABP	0x00000010
+#define GCTL_TBP	0x00000020
+#define GCTL_SBP	0x00000040
+#define GCTL_FBP	0x00000080
+#define GCTL_ME		0x00000100
+#define GCTL_AID	0x00001000
+
+#define PLLCTL_SRC	0x00000007
+#define PLLCTL_SPE	0x00000008
+#define PLLCTL_RD	0x000000F0
+#define PLLCTL_FD	0x0001FF00
+#define PLLCTL_OD	0x00060000
+#define PLLCTL_B	0x00080000
+#define PLLCTL_AS	0x00100000
+#define PLLCTL_LF	0x03E00000
+#define PLLCTL_SPS	0x1C000000
+#define PLLCTL_AD	0x60000000
+
+#define PLLSTAT_CCS	0x00000007
+#define PLLSTAT_SPL	0x00000008
+#define PLLSTAT_CRD	0x000000F0
+#define PLLSTAT_CFD	0x0001FF00
+#define PLLSTAT_SL	0x00020000
+#define PLLSTAT_FAS	0x00040000
+#define PLLSTAT_B	0x00080000
+#define PLLSTAT_PD	0x00100000
+#define PLLSTAT_OCA	0x00200000
+#define PLLSTAT_NCA	0x00400000
+
+static int hw_pll_init(struct hw *hw, unsigned int rsr)
+{
+	unsigned int pllenb;
+	unsigned int pllctl;
+	unsigned int pllstat;
+	int i;
+
+	pllenb = 0xB;
+	hw_write_20kx(hw, PLL_ENB, pllenb);
+	pllctl = 0x20D00000;
+	set_field(&pllctl, PLLCTL_FD, 16 - 4);
+	hw_write_20kx(hw, PLL_CTL, pllctl);
+	mdelay(40);
+	pllctl = hw_read_20kx(hw, PLL_CTL);
+	set_field(&pllctl, PLLCTL_B, 0);
+	if (48000 == rsr) {
+		set_field(&pllctl, PLLCTL_FD, 16 - 2);
+		set_field(&pllctl, PLLCTL_RD, 1 - 1);
+	} else { /* 44100 */
+		set_field(&pllctl, PLLCTL_FD, 147 - 2);
+		set_field(&pllctl, PLLCTL_RD, 10 - 1);
+	}
+	hw_write_20kx(hw, PLL_CTL, pllctl);
+	mdelay(40);
+	for (i = 0; i < 1000; i++) {
+		pllstat = hw_read_20kx(hw, PLL_STAT);
+		if (get_field(pllstat, PLLSTAT_PD))
+			continue;
+
+		if (get_field(pllstat, PLLSTAT_B) !=
+					get_field(pllctl, PLLCTL_B))
+			continue;
+
+		if (get_field(pllstat, PLLSTAT_CCS) !=
+					get_field(pllctl, PLLCTL_SRC))
+			continue;
+
+		if (get_field(pllstat, PLLSTAT_CRD) !=
+					get_field(pllctl, PLLCTL_RD))
+			continue;
+
+		if (get_field(pllstat, PLLSTAT_CFD) !=
+					get_field(pllctl, PLLCTL_FD))
+			continue;
+
+		break;
+	}
+	if (i >= 1000) {
+		printk(KERN_ALERT "PLL initialization failed!!!\n");
+		return -EBUSY;
+	}
+
+	return 0;
+}
+
+static int hw_auto_init(struct hw *hw)
+{
+	unsigned int gctl;
+	int i;
+
+	gctl = hw_read_20kx(hw, GLOBAL_CNTL_GCTL);
+	set_field(&gctl, GCTL_AIE, 0);
+	hw_write_20kx(hw, GLOBAL_CNTL_GCTL, gctl);
+	set_field(&gctl, GCTL_AIE, 1);
+	hw_write_20kx(hw, GLOBAL_CNTL_GCTL, gctl);
+	mdelay(10);
+	for (i = 0; i < 400000; i++) {
+		gctl = hw_read_20kx(hw, GLOBAL_CNTL_GCTL);
+		if (get_field(gctl, GCTL_AID))
+			break;
+	}
+	if (!get_field(gctl, GCTL_AID)) {
+		printk(KERN_ALERT "Card Auto-init failed!!!\n");
+		return -EBUSY;
+	}
+
+	return 0;
+}
+
+/* DAC operations */
+
+#define CS4382_MC1 		0x1
+#define CS4382_MC2 		0x2
+#define CS4382_MC3		0x3
+#define CS4382_FC		0x4
+#define CS4382_IC		0x5
+#define CS4382_XC1		0x6
+#define CS4382_VCA1 		0x7
+#define CS4382_VCB1 		0x8
+#define CS4382_XC2		0x9
+#define CS4382_VCA2 		0xA
+#define CS4382_VCB2 		0xB
+#define CS4382_XC3		0xC
+#define CS4382_VCA3		0xD
+#define CS4382_VCB3		0xE
+#define CS4382_XC4 		0xF
+#define CS4382_VCA4 		0x10
+#define CS4382_VCB4 		0x11
+#define CS4382_CREV 		0x12
+
+/* I2C status */
+#define STATE_LOCKED		0x00
+#define STATE_UNLOCKED		0xAA
+#define DATA_READY		0x800000    /* Used with I2C_IF_STATUS */
+#define DATA_ABORT		0x10000     /* Used with I2C_IF_STATUS */
+
+#define I2C_STATUS_DCM	0x00000001
+#define I2C_STATUS_BC	0x00000006
+#define I2C_STATUS_APD	0x00000008
+#define I2C_STATUS_AB	0x00010000
+#define I2C_STATUS_DR	0x00800000
+
+#define I2C_ADDRESS_PTAD	0x0000FFFF
+#define I2C_ADDRESS_SLAD	0x007F0000
+
+struct REGS_CS4382 {
+	u32 dwModeControl_1;
+	u32 dwModeControl_2;
+	u32 dwModeControl_3;
+
+	u32 dwFilterControl;
+	u32 dwInvertControl;
+
+	u32 dwMixControl_P1;
+	u32 dwVolControl_A1;
+	u32 dwVolControl_B1;
+
+	u32 dwMixControl_P2;
+	u32 dwVolControl_A2;
+	u32 dwVolControl_B2;
+
+	u32 dwMixControl_P3;
+	u32 dwVolControl_A3;
+	u32 dwVolControl_B3;
+
+	u32 dwMixControl_P4;
+	u32 dwVolControl_A4;
+	u32 dwVolControl_B4;
+};
+
+static u8 m_bAddressSize, m_bDataSize, m_bDeviceID;
+
+static int I2CUnlockFullAccess(struct hw *hw)
+{
+	u8 UnlockKeySequence_FLASH_FULLACCESS_MODE[2] =  {0xB3, 0xD4};
+
+	/* Send keys for forced BIOS mode */
+	hw_write_20kx(hw, I2C_IF_WLOCK,
+			UnlockKeySequence_FLASH_FULLACCESS_MODE[0]);
+	hw_write_20kx(hw, I2C_IF_WLOCK,
+			UnlockKeySequence_FLASH_FULLACCESS_MODE[1]);
+	/* Check whether the chip is unlocked */
+	if (hw_read_20kx(hw, I2C_IF_WLOCK) == STATE_UNLOCKED)
+		return 0;
+
+	return -1;
+}
+
+static int I2CLockChip(struct hw *hw)
+{
+	/* Write twice */
+	hw_write_20kx(hw, I2C_IF_WLOCK, STATE_LOCKED);
+	hw_write_20kx(hw, I2C_IF_WLOCK, STATE_LOCKED);
+	if (hw_read_20kx(hw, I2C_IF_WLOCK) == STATE_LOCKED)
+		return 0;
+
+	return -1;
+}
+
+static int I2CInit(struct hw *hw, u8 bDeviceID, u8 bAddressSize, u8 bDataSize)
+{
+	int err = 0;
+	unsigned int RegI2CStatus;
+	unsigned int RegI2CAddress;
+
+	err = I2CUnlockFullAccess(hw);
+	if (err < 0)
+		return err;
+
+	m_bAddressSize = bAddressSize;
+	m_bDataSize = bDataSize;
+	m_bDeviceID = bDeviceID;
+
+	RegI2CAddress = 0;
+	set_field(&RegI2CAddress, I2C_ADDRESS_SLAD, bDeviceID);
+
+	hw_write_20kx(hw, I2C_IF_ADDRESS, RegI2CAddress);
+
+	RegI2CStatus = hw_read_20kx(hw, I2C_IF_STATUS);
+
+	set_field(&RegI2CStatus, I2C_STATUS_DCM, 1); /* Direct control mode */
+
+	hw_write_20kx(hw, I2C_IF_STATUS, RegI2CStatus);
+
+	return 0;
+}
+
+static int I2CUninit(struct hw *hw)
+{
+	unsigned int RegI2CStatus;
+	unsigned int RegI2CAddress;
+
+	RegI2CAddress = 0;
+	set_field(&RegI2CAddress, I2C_ADDRESS_SLAD, 0x57); /* I2C id */
+
+	hw_write_20kx(hw, I2C_IF_ADDRESS, RegI2CAddress);
+
+	RegI2CStatus = hw_read_20kx(hw, I2C_IF_STATUS);
+
+	set_field(&RegI2CStatus, I2C_STATUS_DCM, 0); /* I2C mode */
+
+	hw_write_20kx(hw, I2C_IF_STATUS, RegI2CStatus);
+
+	return I2CLockChip(hw);
+}
+
+static int I2CWaitDataReady(struct hw *hw)
+{
+	int i = 0x400000;
+	unsigned int ret = 0;
+
+	do {
+		ret = hw_read_20kx(hw, I2C_IF_STATUS);
+	} while ((!(ret & DATA_READY)) && --i);
+
+	return i;
+}
+
+static int I2CRead(struct hw *hw, u16 wAddress, u32 *pdwData)
+{
+	unsigned int RegI2CStatus;
+
+	RegI2CStatus = hw_read_20kx(hw, I2C_IF_STATUS);
+	set_field(&RegI2CStatus, I2C_STATUS_BC,
+			(4 == m_bAddressSize) ? 0 : m_bAddressSize);
+	hw_write_20kx(hw, I2C_IF_STATUS, RegI2CStatus);
+	if (!I2CWaitDataReady(hw))
+		return -1;
+
+	hw_write_20kx(hw, I2C_IF_WDATA, (u32)wAddress);
+	if (!I2CWaitDataReady(hw))
+		return -1;
+
+	/* Force a read operation */
+	hw_write_20kx(hw, I2C_IF_RDATA, 0);
+	if (!I2CWaitDataReady(hw))
+		return -1;
+
+	*pdwData = hw_read_20kx(hw, I2C_IF_RDATA);
+
+	return 0;
+}
+
+static int I2CWrite(struct hw *hw, u16 wAddress, u32 dwData)
+{
+	unsigned int dwI2CData = (dwData << (m_bAddressSize * 8)) | wAddress;
+	unsigned int RegI2CStatus;
+
+	RegI2CStatus = hw_read_20kx(hw, I2C_IF_STATUS);
+
+	set_field(&RegI2CStatus, I2C_STATUS_BC,
+		  (4 == (m_bAddressSize + m_bDataSize)) ?
+		  0 : (m_bAddressSize + m_bDataSize));
+
+	hw_write_20kx(hw, I2C_IF_STATUS, RegI2CStatus);
+	I2CWaitDataReady(hw);
+	/* Dummy write to trigger the write oprtation */
+	hw_write_20kx(hw, I2C_IF_WDATA, 0);
+	I2CWaitDataReady(hw);
+
+	/* This is the real data */
+	hw_write_20kx(hw, I2C_IF_WDATA, dwI2CData);
+	I2CWaitDataReady(hw);
+
+	return 0;
+}
+
+static int hw_dac_init(struct hw *hw, const struct dac_conf *info)
+{
+	int err = 0;
+	u32 dwData = 0;
+	int i = 0;
+	struct REGS_CS4382 cs4382_Read = {0};
+	struct REGS_CS4382 cs4382_Def = {
+				   0x00000001,  /* Mode Control 1 */
+				   0x00000000,  /* Mode Control 2 */
+				   0x00000084,  /* Mode Control 3 */
+				   0x00000000,  /* Filter Control */
+				   0x00000000,  /* Invert Control */
+				   0x00000024,  /* Mixing Control Pair 1 */
+				   0x00000000,  /* Vol Control A1 */
+				   0x00000000,  /* Vol Control B1 */
+				   0x00000024,  /* Mixing Control Pair 2 */
+				   0x00000000,  /* Vol Control A2 */
+				   0x00000000,  /* Vol Control B2 */
+				   0x00000024,  /* Mixing Control Pair 3 */
+				   0x00000000,  /* Vol Control A3 */
+				   0x00000000,  /* Vol Control B3 */
+				   0x00000024,  /* Mixing Control Pair 4 */
+				   0x00000000,  /* Vol Control A4 */
+				   0x00000000   /* Vol Control B4 */
+				 };
+
+	/* Set DAC reset bit as output */
+	dwData = hw_read_20kx(hw, GPIO_CTRL);
+	dwData |= 0x02;
+	hw_write_20kx(hw, GPIO_CTRL, dwData);
+
+	err = I2CInit(hw, 0x18, 1, 1);
+	if (err < 0)
+		goto End;
+
+	for (i = 0; i < 2; i++) {
+		/* Reset DAC twice just in-case the chip
+		 * didn't initialized properly */
+		dwData = hw_read_20kx(hw, GPIO_DATA);
+		/* GPIO data bit 1 */
+		dwData &= 0xFFFFFFFD;
+		hw_write_20kx(hw, GPIO_DATA, dwData);
+		mdelay(10);
+		dwData |= 0x2;
+		hw_write_20kx(hw, GPIO_DATA, dwData);
+		mdelay(50);
+
+		/* Reset the 2nd time */
+		dwData &= 0xFFFFFFFD;
+		hw_write_20kx(hw, GPIO_DATA, dwData);
+		mdelay(10);
+		dwData |= 0x2;
+		hw_write_20kx(hw, GPIO_DATA, dwData);
+		mdelay(50);
+
+		if (I2CRead(hw, CS4382_MC1,  &cs4382_Read.dwModeControl_1))
+			continue;
+
+		if (I2CRead(hw, CS4382_MC2,  &cs4382_Read.dwModeControl_2))
+			continue;
+
+		if (I2CRead(hw, CS4382_MC3,  &cs4382_Read.dwModeControl_3))
+			continue;
+
+		if (I2CRead(hw, CS4382_FC,   &cs4382_Read.dwFilterControl))
+			continue;
+
+		if (I2CRead(hw, CS4382_IC,   &cs4382_Read.dwInvertControl))
+			continue;
+
+		if (I2CRead(hw, CS4382_XC1,  &cs4382_Read.dwMixControl_P1))
+			continue;
+
+		if (I2CRead(hw, CS4382_VCA1, &cs4382_Read.dwVolControl_A1))
+			continue;
+
+		if (I2CRead(hw, CS4382_VCB1, &cs4382_Read.dwVolControl_B1))
+			continue;
+
+		if (I2CRead(hw, CS4382_XC2,  &cs4382_Read.dwMixControl_P2))
+			continue;
+
+		if (I2CRead(hw, CS4382_VCA2, &cs4382_Read.dwVolControl_A2))
+			continue;
+
+		if (I2CRead(hw, CS4382_VCB2, &cs4382_Read.dwVolControl_B2))
+			continue;
+
+		if (I2CRead(hw, CS4382_XC3,  &cs4382_Read.dwMixControl_P3))
+			continue;
+
+		if (I2CRead(hw, CS4382_VCA3, &cs4382_Read.dwVolControl_A3))
+			continue;
+
+		if (I2CRead(hw, CS4382_VCB3, &cs4382_Read.dwVolControl_B3))
+			continue;
+
+		if (I2CRead(hw, CS4382_XC4,  &cs4382_Read.dwMixControl_P4))
+			continue;
+
+		if (I2CRead(hw, CS4382_VCA4, &cs4382_Read.dwVolControl_A4))
+			continue;
+
+		if (I2CRead(hw, CS4382_VCB4, &cs4382_Read.dwVolControl_B4))
+			continue;
+
+		if (memcmp(&cs4382_Read, &cs4382_Def,
+						sizeof(struct REGS_CS4382)))
+			continue;
+		else
+			break;
+	}
+
+	if (i >= 2)
+		goto End;
+
+	/* Note: Every I2C write must have some delay.
+	 * This is not a requirement but the delay works here... */
+	I2CWrite(hw, CS4382_MC1, 0x80);
+	I2CWrite(hw, CS4382_MC2, 0x10);
+	if (1 == info->msr) {
+		I2CWrite(hw, CS4382_XC1, 0x24);
+		I2CWrite(hw, CS4382_XC2, 0x24);
+		I2CWrite(hw, CS4382_XC3, 0x24);
+		I2CWrite(hw, CS4382_XC4, 0x24);
+	} else if (2 == info->msr) {
+		I2CWrite(hw, CS4382_XC1, 0x25);
+		I2CWrite(hw, CS4382_XC2, 0x25);
+		I2CWrite(hw, CS4382_XC3, 0x25);
+		I2CWrite(hw, CS4382_XC4, 0x25);
+	} else {
+		I2CWrite(hw, CS4382_XC1, 0x26);
+		I2CWrite(hw, CS4382_XC2, 0x26);
+		I2CWrite(hw, CS4382_XC3, 0x26);
+		I2CWrite(hw, CS4382_XC4, 0x26);
+	}
+
+	return 0;
+End:
+
+	I2CUninit(hw);
+	return -1;
+}
+
+/* ADC operations */
+#define MAKE_WM8775_ADDR(addr, data)	(u32)(((addr<<1)&0xFE)|((data>>8)&0x1))
+#define MAKE_WM8775_DATA(data)	(u32)(data&0xFF)
+
+#define WM8775_IC       0x0B
+#define WM8775_MMC      0x0C
+#define WM8775_AADCL    0x0E
+#define WM8775_AADCR    0x0F
+#define WM8775_ADCMC    0x15
+#define WM8775_RESET    0x17
+
+static int hw_is_adc_input_selected(struct hw *hw, enum ADCSRC type)
+{
+	u32 data = 0;
+
+	data = hw_read_20kx(hw, GPIO_DATA);
+	switch (type) {
+	case ADC_MICIN:
+		data = (data & (0x1 << 14)) ? 1 : 0;
+		break;
+	case ADC_LINEIN:
+		data = (data & (0x1 << 14)) ? 0 : 1;
+		break;
+	default:
+		data = 0;
+	}
+	return data;
+}
+
+static int hw_adc_input_select(struct hw *hw, enum ADCSRC type)
+{
+	u32 data = 0;
+
+	data = hw_read_20kx(hw, GPIO_DATA);
+	switch (type) {
+	case ADC_MICIN:
+		data |= (0x1 << 14);
+		hw_write_20kx(hw, GPIO_DATA, data);
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_ADCMC, 0x101),
+				MAKE_WM8775_DATA(0x101)); /* Mic-in */
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_AADCL, 0xE7),
+				MAKE_WM8775_DATA(0xE7)); /* +12dB boost */
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_AADCR, 0xE7),
+				MAKE_WM8775_DATA(0xE7)); /* +12dB boost */
+		break;
+	case ADC_LINEIN:
+		data &= ~(0x1 << 14);
+		hw_write_20kx(hw, GPIO_DATA, data);
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_ADCMC, 0x102),
+				MAKE_WM8775_DATA(0x102)); /* Line-in */
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_AADCL, 0xCF),
+				MAKE_WM8775_DATA(0xCF)); /* No boost */
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_AADCR, 0xCF),
+				MAKE_WM8775_DATA(0xCF)); /* No boost */
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static int hw_adc_init(struct hw *hw, const struct adc_conf *info)
+{
+	int err = 0;
+	u32 dwMux = 2, dwData = 0, dwCtl = 0;
+
+	/*  Set ADC reset bit as output */
+	dwData = hw_read_20kx(hw, GPIO_CTRL);
+	dwData |= (0x1 << 15);
+	hw_write_20kx(hw, GPIO_CTRL, dwData);
+
+	/* Initialize I2C */
+	err = I2CInit(hw, 0x1A, 1, 1);
+	if (err < 0) {
+		printk(KERN_ALERT "Failure to acquire I2C!!!\n");
+		goto error;
+	}
+
+	/* Make ADC in normal operation */
+	dwData = hw_read_20kx(hw, GPIO_DATA);
+	dwData &= ~(0x1 << 15);
+	mdelay(10);
+	dwData |= (0x1 << 15);
+	hw_write_20kx(hw, GPIO_DATA, dwData);
+	mdelay(50);
+
+	/* Set the master mode (256fs) */
+	if (1 == info->msr) {
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_MMC, 0x02),
+						MAKE_WM8775_DATA(0x02));
+	} else if (2 == info->msr) {
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_MMC, 0x0A),
+						MAKE_WM8775_DATA(0x0A));
+	} else {
+		printk(KERN_ALERT "Invalid master sampling "
+				  "rate (msr %d)!!!\n", info->msr);
+		err = -EINVAL;
+		goto error;
+	}
+
+	/* Configure GPIO bit 14 change to line-in/mic-in */
+	dwCtl = hw_read_20kx(hw, GPIO_CTRL);
+	dwCtl |= 0x1<<14;
+	hw_write_20kx(hw, GPIO_CTRL, dwCtl);
+
+	/* Check using Mic-in or Line-in */
+	dwData = hw_read_20kx(hw, GPIO_DATA);
+
+	if (dwMux == 1) {
+		/* Configures GPIO data to select Mic-in */
+		dwData |= 0x1<<14;
+		hw_write_20kx(hw, GPIO_DATA, dwData);
+
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_ADCMC, 0x101),
+				MAKE_WM8775_DATA(0x101)); /* Mic-in */
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_AADCL, 0xE7),
+				MAKE_WM8775_DATA(0xE7)); /* +12dB boost */
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_AADCR, 0xE7),
+				MAKE_WM8775_DATA(0xE7)); /* +12dB boost */
+	} else if (dwMux == 2) {
+		/* Configures GPIO data to select Line-in */
+		dwData &= ~(0x1<<14);
+		hw_write_20kx(hw, GPIO_DATA, dwData);
+
+		/* Setup ADC */
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_ADCMC, 0x102),
+				MAKE_WM8775_DATA(0x102)); /* Line-in */
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_AADCL, 0xCF),
+				MAKE_WM8775_DATA(0xCF)); /* No boost */
+		I2CWrite(hw, MAKE_WM8775_ADDR(WM8775_AADCR, 0xCF),
+				MAKE_WM8775_DATA(0xCF)); /* No boost */
+	} else {
+		printk(KERN_ALERT "ERROR!!! Invalid input mux!!!\n");
+		err = -EINVAL;
+		goto error;
+	}
+
+	return 0;
+
+error:
+	I2CUninit(hw);
+	return err;
+}
+
+static int hw_have_digit_io_switch(struct hw *hw)
+{
+	return 0;
+}
+
+static int hw_card_start(struct hw *hw)
+{
+	int err = 0;
+	struct pci_dev *pci = hw->pci;
+	unsigned int gctl;
+	unsigned int dma_mask = 0;
+
+	err = pci_enable_device(pci);
+	if (err < 0)
+		return err;
+
+	/* Set DMA transfer mask */
+	dma_mask = CT_XFI_DMA_MASK;
+	if (pci_set_dma_mask(pci, dma_mask) < 0 ||
+	    pci_set_consistent_dma_mask(pci, dma_mask) < 0) {
+		printk(KERN_ERR "architecture does not support PCI "
+		"busmaster DMA with mask 0x%x\n", dma_mask);
+		err = -ENXIO;
+		goto error1;
+	}
+
+	err = pci_request_regions(pci, "XFi");
+	if (err < 0)
+		goto error1;
+
+	hw->io_base = pci_resource_start(hw->pci, 2);
+	hw->mem_base = (unsigned long)ioremap(hw->io_base,
+					pci_resource_len(hw->pci, 2));
+	if (NULL == (void *)hw->mem_base) {
+		err = -ENOENT;
+		goto error2;
+	}
+
+	/* Switch to 20k2 mode from UAA mode. */
+	gctl = hw_read_20kx(hw, GLOBAL_CNTL_GCTL);
+	set_field(&gctl, GCTL_UAA, 0);
+	hw_write_20kx(hw, GLOBAL_CNTL_GCTL, gctl);
+
+	/*if ((err = request_irq(pci->irq, ct_atc_interrupt, IRQF_SHARED,
+				atc->chip_details->nm_card, hw))) {
+		goto error3;
+	}
+	hw->irq = pci->irq;
+	*/
+
+	pci_set_master(pci);
+
+	return 0;
+
+/*error3:
+	iounmap((void *)hw->mem_base);
+	hw->mem_base = (unsigned long)NULL;*/
+error2:
+	pci_release_regions(pci);
+	hw->io_base = 0;
+error1:
+	pci_disable_device(pci);
+	return err;
+}
+
+static int hw_card_stop(struct hw *hw)
+{
+	/* TODO: Disable interrupt and so on... */
+	return 0;
+}
+
+static int hw_card_shutdown(struct hw *hw)
+{
+	if (hw->irq >= 0)
+		free_irq(hw->irq, hw);
+
+	hw->irq	= -1;
+
+	if (NULL != ((void *)hw->mem_base))
+		iounmap((void *)hw->mem_base);
+
+	hw->mem_base = (unsigned long)NULL;
+
+	if (hw->io_base)
+		pci_release_regions(hw->pci);
+
+	hw->io_base = 0;
+
+	pci_disable_device(hw->pci);
+
+	return 0;
+}
+
+static int hw_card_init(struct hw *hw, struct card_conf *info)
+{
+	int err;
+	unsigned int gctl;
+	u32 data = 0;
+	struct dac_conf dac_info = {0};
+	struct adc_conf adc_info = {0};
+	struct daio_conf daio_info = {0};
+	struct trn_conf trn_info = {0};
+
+	/* Get PCI io port/memory base address and
+	 * do 20kx core switch if needed. */
+	if (!hw->io_base) {
+		err = hw_card_start(hw);
+		if (err)
+			return err;
+	}
+
+	/* PLL init */
+	err = hw_pll_init(hw, info->rsr);
+	if (err < 0)
+		return err;
+
+	/* kick off auto-init */
+	err = hw_auto_init(hw);
+	if (err < 0)
+		return err;
+
+	gctl = hw_read_20kx(hw, GLOBAL_CNTL_GCTL);
+	set_field(&gctl, GCTL_DBP, 1);
+	set_field(&gctl, GCTL_TBP, 1);
+	set_field(&gctl, GCTL_FBP, 1);
+	set_field(&gctl, GCTL_DPC, 0);
+	hw_write_20kx(hw, GLOBAL_CNTL_GCTL, gctl);
+
+	/* Reset all global pending interrupts */
+	hw_write_20kx(hw, INTERRUPT_GIE, 0);
+	/* Reset all SRC pending interrupts */
+	hw_write_20kx(hw, SRC_IP, 0);
+
+	/* TODO: detect the card ID and configure GPIO accordingly. */
+	/* Configures GPIO (0xD802 0x98028) */
+	/*hw_write_20kx(hw, GPIO_CTRL, 0x7F07);*/
+	/* Configures GPIO (SB0880) */
+	/*hw_write_20kx(hw, GPIO_CTRL, 0xFF07);*/
+	hw_write_20kx(hw, GPIO_CTRL, 0xD802);
+
+	/* Enable audio ring */
+	hw_write_20kx(hw, MIXER_AR_ENABLE, 0x01);
+
+	trn_info.vm_pgt_phys = info->vm_pgt_phys;
+	err = hw_trn_init(hw, &trn_info);
+	if (err < 0)
+		return err;
+
+	daio_info.msr = info->msr;
+	err = hw_daio_init(hw, &daio_info);
+	if (err < 0)
+		return err;
+
+	dac_info.msr = info->msr;
+	err = hw_dac_init(hw, &dac_info);
+	if (err < 0)
+		return err;
+
+	adc_info.msr = info->msr;
+	adc_info.input = ADC_LINEIN;
+	adc_info.mic20db = 0;
+	err = hw_adc_init(hw, &adc_info);
+	if (err < 0)
+		return err;
+
+	data = hw_read_20kx(hw, SRC_MCTL);
+	data |= 0x1; /* Enables input from the audio ring */
+	hw_write_20kx(hw, SRC_MCTL, data);
+
+	return 0;
+}
+
+static u32 hw_read_20kx(struct hw *hw, u32 reg)
+{
+	return readl((void *)(hw->mem_base + reg));
+}
+
+static void hw_write_20kx(struct hw *hw, u32 reg, u32 data)
+{
+	writel(data, (void *)(hw->mem_base + reg));
+}
+
+int create_20k2_hw_obj(struct hw **rhw)
+{
+	struct hw *hw;
+
+	*rhw = NULL;
+	hw = kzalloc(sizeof(*hw), GFP_KERNEL);
+	if (NULL == hw)
+		return -ENOMEM;
+
+	hw->io_base = 0;
+	hw->mem_base = (unsigned long)NULL;
+	hw->irq = -1;
+
+	hw->card_init = hw_card_init;
+	hw->card_stop = hw_card_stop;
+	hw->pll_init = hw_pll_init;
+	hw->is_adc_source_selected = hw_is_adc_input_selected;
+	hw->select_adc_source = hw_adc_input_select;
+	hw->have_digit_io_switch = hw_have_digit_io_switch;
+
+	hw->src_rsc_get_ctrl_blk = src_get_rsc_ctrl_blk;
+	hw->src_rsc_put_ctrl_blk = src_put_rsc_ctrl_blk;
+	hw->src_mgr_get_ctrl_blk = src_mgr_get_ctrl_blk;
+	hw->src_mgr_put_ctrl_blk = src_mgr_put_ctrl_blk;
+	hw->src_set_state = src_set_state;
+	hw->src_set_bm = src_set_bm;
+	hw->src_set_rsr = src_set_rsr;
+	hw->src_set_sf = src_set_sf;
+	hw->src_set_wr = src_set_wr;
+	hw->src_set_pm = src_set_pm;
+	hw->src_set_rom = src_set_rom;
+	hw->src_set_vo = src_set_vo;
+	hw->src_set_st = src_set_st;
+	hw->src_set_ie = src_set_ie;
+	hw->src_set_ilsz = src_set_ilsz;
+	hw->src_set_bp = src_set_bp;
+	hw->src_set_cisz = src_set_cisz;
+	hw->src_set_ca = src_set_ca;
+	hw->src_set_sa = src_set_sa;
+	hw->src_set_la = src_set_la;
+	hw->src_set_pitch = src_set_pitch;
+	hw->src_set_dirty = src_set_dirty;
+	hw->src_set_clear_zbufs = src_set_clear_zbufs;
+	hw->src_set_dirty_all = src_set_dirty_all;
+	hw->src_commit_write = src_commit_write;
+	hw->src_get_ca = src_get_ca;
+	hw->src_get_dirty = src_get_dirty;
+	hw->src_dirty_conj_mask = src_dirty_conj_mask;
+	hw->src_mgr_enbs_src = src_mgr_enbs_src;
+	hw->src_mgr_enb_src = src_mgr_enb_src;
+	hw->src_mgr_dsb_src = src_mgr_dsb_src;
+	hw->src_mgr_commit_write = src_mgr_commit_write;
+
+	hw->srcimp_mgr_get_ctrl_blk = srcimp_mgr_get_ctrl_blk;
+	hw->srcimp_mgr_put_ctrl_blk = srcimp_mgr_put_ctrl_blk;
+	hw->srcimp_mgr_set_imaparc = srcimp_mgr_set_imaparc;
+	hw->srcimp_mgr_set_imapuser = srcimp_mgr_set_imapuser;
+	hw->srcimp_mgr_set_imapnxt = srcimp_mgr_set_imapnxt;
+	hw->srcimp_mgr_set_imapaddr = srcimp_mgr_set_imapaddr;
+	hw->srcimp_mgr_commit_write = srcimp_mgr_commit_write;
+
+	hw->amixer_rsc_get_ctrl_blk = amixer_rsc_get_ctrl_blk;
+	hw->amixer_rsc_put_ctrl_blk = amixer_rsc_put_ctrl_blk;
+	hw->amixer_mgr_get_ctrl_blk = amixer_mgr_get_ctrl_blk;
+	hw->amixer_mgr_put_ctrl_blk = amixer_mgr_put_ctrl_blk;
+	hw->amixer_set_mode = amixer_set_mode;
+	hw->amixer_set_iv = amixer_set_iv;
+	hw->amixer_set_x = amixer_set_x;
+	hw->amixer_set_y = amixer_set_y;
+	hw->amixer_set_sadr = amixer_set_sadr;
+	hw->amixer_set_se = amixer_set_se;
+	hw->amixer_set_dirty = amixer_set_dirty;
+	hw->amixer_set_dirty_all = amixer_set_dirty_all;
+	hw->amixer_commit_write = amixer_commit_write;
+	hw->amixer_get_y = amixer_get_y;
+	hw->amixer_get_dirty = amixer_get_dirty;
+
+	hw->dai_get_ctrl_blk = dai_get_ctrl_blk;
+	hw->dai_put_ctrl_blk = dai_put_ctrl_blk;
+	hw->dai_srt_set_srco = dai_srt_set_srco;
+	hw->dai_srt_set_srcm = dai_srt_set_srcm;
+	hw->dai_srt_set_rsr = dai_srt_set_rsr;
+	hw->dai_srt_set_drat = dai_srt_set_drat;
+	hw->dai_srt_set_ec = dai_srt_set_ec;
+	hw->dai_srt_set_et = dai_srt_set_et;
+	hw->dai_commit_write = dai_commit_write;
+
+	hw->dao_get_ctrl_blk = dao_get_ctrl_blk;
+	hw->dao_put_ctrl_blk = dao_put_ctrl_blk;
+	hw->dao_set_spos = dao_set_spos;
+	hw->dao_commit_write = dao_commit_write;
+	hw->dao_get_spos = dao_get_spos;
+
+	hw->daio_mgr_get_ctrl_blk = daio_mgr_get_ctrl_blk;
+	hw->daio_mgr_put_ctrl_blk = daio_mgr_put_ctrl_blk;
+	hw->daio_mgr_enb_dai = daio_mgr_enb_dai;
+	hw->daio_mgr_dsb_dai = daio_mgr_dsb_dai;
+	hw->daio_mgr_enb_dao = daio_mgr_enb_dao;
+	hw->daio_mgr_dsb_dao = daio_mgr_dsb_dao;
+	hw->daio_mgr_dao_init = daio_mgr_dao_init;
+	hw->daio_mgr_set_imaparc = daio_mgr_set_imaparc;
+	hw->daio_mgr_set_imapnxt = daio_mgr_set_imapnxt;
+	hw->daio_mgr_set_imapaddr = daio_mgr_set_imapaddr;
+	hw->daio_mgr_commit_write = daio_mgr_commit_write;
+
+	*rhw = hw;
+
+	return 0;
+}
+
+int destroy_20k2_hw_obj(struct hw *hw)
+{
+	if (hw->io_base)
+		hw_card_shutdown(hw);
+
+	kfree(hw);
+	return 0;
+}