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cthardware.h

/**
 * 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
};

enum CTCARDS {
      /* 20k1 models */
      CTSB055X,
      CT20K1_MODEL_FIRST = CTSB055X,
      CTSB073X,
      CTUAA,
      CT20K1_UNKNOWN,
      /* 20k2 models */
      CTSB0760,
      CT20K2_MODEL_FIRST = CTSB0760,
      CTHENDRIX,
      CTSB0880,
      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 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
      int (*suspend)(struct hw *hw, pm_message_t state);
      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);
      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);

      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 */
      int irq;
      unsigned long io_base;
      unsigned long 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 */

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