/**
 * 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>
#include <sound/core.h>

enum CHIPTYP {
	ATC20K1,
	ATC20K2,
	ATCNONE
};

enum CTCARDS {
	/* 20k1 models */
	CTSB055X,
	CT20K1_MODEL_FIRST = CTSB055X,
	CTSB073X,
	CTUAA,
	CT20K1_UNKNOWN,
	/* 20k2 models */
	CTSB0760,
	CT20K2_MODEL_FIRST = CTSB0760,
	CTHENDRIX,
	CTSB0880,
	CTSB1270,
	CT20K2_UNKNOWN,
	NUM_CTCARDS		/* This should always be the last */
};

/* 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 capabilities {
	unsigned int digit_io_switch:1;
	unsigned int dedicated_mic:1;
	unsigned int output_switch:1;
	unsigned int mic_source_switch:1;
};

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);
#ifdef CONFIG_PM_SLEEP
	int (*suspend)(struct hw *hw);
	int (*resume)(struct hw *hw, struct card_conf *info);
#endif
	int (*is_adc_source_selected)(struct hw *hw, enum ADCSRC source);
	int (*select_adc_source)(struct hw *hw, enum ADCSRC source);
	struct capabilities (*capabilities)(struct hw *hw);
	int (*output_switch_get)(struct hw *hw);
	int (*output_switch_put)(struct hw *hw, int position);
	int (*mic_source_switch_get)(struct hw *hw);
	int (*mic_source_switch_put)(struct hw *hw, int position);

	/* 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);

	int (*set_timer_irq)(struct hw *hw, int enable);
	int (*set_timer_tick)(struct hw *hw, unsigned int tick);
	unsigned int (*get_wc)(struct hw *hw);

	void (*irq_callback)(void *data, unsigned int bit);
	void *irq_callback_data;

	struct pci_dev *pci;	/* the pci kernel structure of this card */
	struct snd_card *card;	/* pointer to this card */
	int irq;
	unsigned long io_base;
	void __iomem *mem_base;

	enum CHIPTYP chip_type;
	enum CTCARDS model;
};

int create_hw_obj(struct pci_dev *pci, enum CHIPTYP chip_type,
		  enum CTCARDS model, 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);

/* IRQ bits */
#define	PLL_INT		(1 << 10) /* PLL input-clock out-of-range */
#define FI_INT		(1 << 9)  /* forced interrupt */
#define IT_INT		(1 << 8)  /* timer interrupt */
#define PCI_INT		(1 << 7)  /* PCI bus error pending */
#define URT_INT		(1 << 6)  /* UART Tx/Rx */
#define GPI_INT		(1 << 5)  /* GPI pin */
#define MIX_INT		(1 << 4)  /* mixer parameter segment FIFO channels */
#define DAI_INT		(1 << 3)  /* DAI (SR-tracker or SPDIF-receiver) */
#define TP_INT		(1 << 2)  /* transport priority queue */
#define DSP_INT		(1 << 1)  /* DSP */
#define SRC_INT		(1 << 0)  /* SRC channels */

#endif /* CTHARDWARE_H */
