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>
diff --git a/sound/pci/ctxfi/cthardware.h b/sound/pci/ctxfi/cthardware.h
new file mode 100644
index 0000000..b0512df
--- /dev/null
+++ b/sound/pci/ctxfi/cthardware.h
@@ -0,0 +1,160 @@
+/**
+ * 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	cthardware.h
+ *
+ * @Brief
+ * This file contains the definition of hardware access methord.
+ *
+ * @Author	Liu Chun
+ * @Date 	May 13 2008
+ *
+ */
+
+#ifndef CTHARDWARE_H
+#define CTHARDWARE_H
+
+#include <linux/types.h>
+#include <linux/pci.h>
+
+enum CHIPTYP {
+	ATC20K1,
+	ATC20K2,
+	ATCNONE
+};
+
+/* Type of input source for ADC */
+enum ADCSRC{
+	ADC_MICIN,
+	ADC_LINEIN,
+	ADC_VIDEO,
+	ADC_AUX,
+	ADC_NONE	/* Switch to digital input */
+};
+
+struct card_conf {
+	/* device virtual mem page table page physical addr
+	 * (supporting one page table page now) */
+	unsigned long vm_pgt_phys;
+	unsigned int rsr;	/* reference sample rate in Hzs*/
+	unsigned int msr;	/* master sample rate in rsrs */
+};
+
+struct hw {
+	int (*card_init)(struct hw *hw, struct card_conf *info);
+	int (*card_stop)(struct hw *hw);
+	int (*pll_init)(struct hw *hw, unsigned int rsr);
+	enum CHIPTYP (*get_chip_type)(struct hw *hw);
+	int (*is_adc_source_selected)(struct hw *hw, enum ADCSRC source);
+	int (*select_adc_source)(struct hw *hw, enum ADCSRC source);
+	int (*have_digit_io_switch)(struct hw *hw);
+
+	/* SRC operations */
+	int (*src_rsc_get_ctrl_blk)(void **rblk);
+	int (*src_rsc_put_ctrl_blk)(void *blk);
+	int (*src_set_state)(void *blk, unsigned int state);
+	int (*src_set_bm)(void *blk, unsigned int bm);
+	int (*src_set_rsr)(void *blk, unsigned int rsr);
+	int (*src_set_sf)(void *blk, unsigned int sf);
+	int (*src_set_wr)(void *blk, unsigned int wr);
+	int (*src_set_pm)(void *blk, unsigned int pm);
+	int (*src_set_rom)(void *blk, unsigned int rom);
+	int (*src_set_vo)(void *blk, unsigned int vo);
+	int (*src_set_st)(void *blk, unsigned int st);
+	int (*src_set_ie)(void *blk, unsigned int ie);
+	int (*src_set_ilsz)(void *blk, unsigned int ilsz);
+	int (*src_set_bp)(void *blk, unsigned int bp);
+	int (*src_set_cisz)(void *blk, unsigned int cisz);
+	int (*src_set_ca)(void *blk, unsigned int ca);
+	int (*src_set_sa)(void *blk, unsigned int sa);
+	int (*src_set_la)(void *blk, unsigned int la);
+	int (*src_set_pitch)(void *blk, unsigned int pitch);
+	int (*src_set_clear_zbufs)(void *blk, unsigned int clear);
+	int (*src_set_dirty)(void *blk, unsigned int flags);
+	int (*src_set_dirty_all)(void *blk);
+	int (*src_commit_write)(struct hw *hw, unsigned int idx, void *blk);
+	int (*src_get_ca)(struct hw *hw, unsigned int idx, void *blk);
+	unsigned int (*src_get_dirty)(void *blk);
+	unsigned int (*src_dirty_conj_mask)(void);
+	int (*src_mgr_get_ctrl_blk)(void **rblk);
+	int (*src_mgr_put_ctrl_blk)(void *blk);
+	/* syncly enable src @idx */
+	int (*src_mgr_enbs_src)(void *blk, unsigned int idx);
+	/* enable src @idx */
+	int (*src_mgr_enb_src)(void *blk, unsigned int idx);
+	/* disable src @idx */
+	int (*src_mgr_dsb_src)(void *blk, unsigned int idx);
+	int (*src_mgr_commit_write)(struct hw *hw, void *blk);
+
+	/* SRC Input Mapper operations */
+	int (*srcimp_mgr_get_ctrl_blk)(void **rblk);
+	int (*srcimp_mgr_put_ctrl_blk)(void *blk);
+	int (*srcimp_mgr_set_imaparc)(void *blk, unsigned int slot);
+	int (*srcimp_mgr_set_imapuser)(void *blk, unsigned int user);
+	int (*srcimp_mgr_set_imapnxt)(void *blk, unsigned int next);
+	int (*srcimp_mgr_set_imapaddr)(void *blk, unsigned int addr);
+	int (*srcimp_mgr_commit_write)(struct hw *hw, void *blk);
+
+	/* AMIXER operations */
+	int (*amixer_rsc_get_ctrl_blk)(void **rblk);
+	int (*amixer_rsc_put_ctrl_blk)(void *blk);
+	int (*amixer_mgr_get_ctrl_blk)(void **rblk);
+	int (*amixer_mgr_put_ctrl_blk)(void *blk);
+	int (*amixer_set_mode)(void *blk, unsigned int mode);
+	int (*amixer_set_iv)(void *blk, unsigned int iv);
+	int (*amixer_set_x)(void *blk, unsigned int x);
+	int (*amixer_set_y)(void *blk, unsigned int y);
+	int (*amixer_set_sadr)(void *blk, unsigned int sadr);
+	int (*amixer_set_se)(void *blk, unsigned int se);
+	int (*amixer_set_dirty)(void *blk, unsigned int flags);
+	int (*amixer_set_dirty_all)(void *blk);
+	int (*amixer_commit_write)(struct hw *hw, unsigned int idx, void *blk);
+	int (*amixer_get_y)(void *blk);
+	unsigned int (*amixer_get_dirty)(void *blk);
+
+	/* DAIO operations */
+	int (*dai_get_ctrl_blk)(void **rblk);
+	int (*dai_put_ctrl_blk)(void *blk);
+	int (*dai_srt_set_srco)(void *blk, unsigned int src);
+	int (*dai_srt_set_srcm)(void *blk, unsigned int src);
+	int (*dai_srt_set_rsr)(void *blk, unsigned int rsr);
+	int (*dai_srt_set_drat)(void *blk, unsigned int drat);
+	int (*dai_srt_set_ec)(void *blk, unsigned int ec);
+	int (*dai_srt_set_et)(void *blk, unsigned int et);
+	int (*dai_commit_write)(struct hw *hw, unsigned int idx, void *blk);
+	int (*dao_get_ctrl_blk)(void **rblk);
+	int (*dao_put_ctrl_blk)(void *blk);
+	int (*dao_set_spos)(void *blk, unsigned int spos);
+	int (*dao_commit_write)(struct hw *hw, unsigned int idx, void *blk);
+	int (*dao_get_spos)(void *blk, unsigned int *spos);
+
+	int (*daio_mgr_get_ctrl_blk)(struct hw *hw, void **rblk);
+	int (*daio_mgr_put_ctrl_blk)(void *blk);
+	int (*daio_mgr_enb_dai)(void *blk, unsigned int idx);
+	int (*daio_mgr_dsb_dai)(void *blk, unsigned int idx);
+	int (*daio_mgr_enb_dao)(void *blk, unsigned int idx);
+	int (*daio_mgr_dsb_dao)(void *blk, unsigned int idx);
+	int (*daio_mgr_dao_init)(void *blk, unsigned int idx,
+						unsigned int conf);
+	int (*daio_mgr_set_imaparc)(void *blk, unsigned int slot);
+	int (*daio_mgr_set_imapnxt)(void *blk, unsigned int next);
+	int (*daio_mgr_set_imapaddr)(void *blk, unsigned int addr);
+	int (*daio_mgr_commit_write)(struct hw *hw, void *blk);
+
+	struct pci_dev *pci;	/* the pci kernel structure of this card */
+	int irq;
+	unsigned long io_base;
+	unsigned long mem_base;
+};
+
+int create_hw_obj(struct pci_dev *pci, struct hw **rhw);
+int destroy_hw_obj(struct hw *hw);
+
+unsigned int get_field(unsigned int data, unsigned int field);
+void set_field(unsigned int *data, unsigned int field, unsigned int value);
+
+#endif /* CTHARDWARE_H */