amlogic-aml8726-mx-kernel/drivers/amlogic/tvin/tvin_frontend.h

/*
 * TVIN Decoder
 *
 * Author: Lin Xu <lin.xu@amlogic.com>
 *         Bobby Yang <bo.yang@amlogic.com>
 *
 * Copyright (C) 2010 Amlogic Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */


#ifndef __TVIN_DECODER_H
#define __TVIN_DECODER_H

/* Standard Linux Headers */
#include <linux/list.h>

/* Amlogic Headers */
#include <linux/amports/vframe.h>
#include <linux/tvin/tvin.h>

/* Local Headers */
#include "tvin_global.h"

struct tvin_frontend_s;


typedef struct tvin_decoder_ops_s {
    /*
     * check whether the port is supported.
     * return 0 if not supported, return other if supported.
     */
    int (*support)  (struct tvin_frontend_s *fe, enum tvin_port_e port);
    void (*open)    (struct tvin_frontend_s *fe, enum tvin_port_e port);
    void (*start)   (struct tvin_frontend_s *fe, enum tvin_sig_fmt_e fmt);
    void (*stop)    (struct tvin_frontend_s *fe, enum tvin_port_e port);
    void (*close)   (struct tvin_frontend_s *fe);
    int (*decode_isr) (struct tvin_frontend_s *fe, unsigned int hcnt64);
} tvin_decoder_ops_t;

typedef struct tvin_state_machine_ops_s {
    bool (*nosig) (struct tvin_frontend_s *fe);
    bool (*fmt_changed) (struct tvin_frontend_s *fe);
    enum tvin_sig_fmt_e (*get_fmt) (struct tvin_frontend_s *fe);
    void (*fmt_config)(struct tvin_frontend_s *fe);
    bool (*adc_cal)(struct tvin_frontend_s *fe);
    bool (*pll_lock) (struct tvin_frontend_s *fe);
    void (*get_sig_propery)(struct tvin_frontend_s *fe, struct tvin_sig_property_s *prop);
#ifdef TVAFE_SET_CVBS_MANUAL_FMT_POS
    enum tvin_cvbs_pos_ctl_e (*set_cvbs_fmt_pos) (struct tvin_frontend_s *fe);
#endif
    void (*vga_set_param)(struct tvafe_vga_parm_s *vga_parm, struct tvin_frontend_s *fe);
    void (*vga_get_param)(struct tvafe_vga_parm_s *vga_parm, struct tvin_frontend_s *fe);
    bool (*check_frame_skip)(struct tvin_frontend_s *fe);
} tvin_state_machine_ops_t;

typedef struct tvin_frontend_s {
    int index; /* support multi-frontend of same decoder */
    char name[15]; /* just name of frontend, not port name or format name */
    int port; /* current port */
    struct tvin_decoder_ops_s *dec_ops;
    struct tvin_state_machine_ops_s *sm_ops;
    unsigned int flag;
    struct list_head list;
} tvin_frontend_t;


int tvin_frontend_init(tvin_frontend_t *fe,
    tvin_decoder_ops_t *dec_ops, tvin_state_machine_ops_t *sm_ops, int index);
int tvin_reg_frontend(struct tvin_frontend_s *fe);
void tvin_unreg_frontend(struct tvin_frontend_s *fe);
struct tvin_frontend_s * tvin_get_frontend(enum tvin_port_e port, int index);

#endif