/* $NetBSD: emdtvvar.h,v 1.5 2022/06/26 22:49:09 riastradh Exp $ */

/*-
* Copyright (c) 2008 Jared D. McNeill <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _DEV_USB_EMDTVVAR_H
#define _DEV_USB_EMDTVVAR_H

#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/workqueue.h>

#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>

#include <dev/usb/emdtv_board.h>

#include <dev/i2c/i2cvar.h>
#include <dev/dtv/dtvif.h>

#include <dev/i2c/lg3303var.h>
#include <dev/i2c/xc3028var.h>

#define EMDTV_EEPROM_LEN        256

#define EMDTV_NXFERS            6
#define EMDTV_NFRAMES           64

#define EMDTV_CIR_BUFLEN        32

struct emdtv_softc;

struct emdtv_isoc_xfer {
       struct emdtv_softc      *ix_sc;
       struct usbd_xfer        *ix_xfer;
       uint8_t                 *ix_buf;
       uint16_t                ix_frlengths[EMDTV_NFRAMES];
       struct emdtv_isoc_xfer  *ix_altix;
};

struct emdtv_softc {
       device_t                sc_dev;
       struct usbd_device      *sc_udev;

       device_t                sc_cirdev;
       device_t                sc_dtvdev;

       uint16_t                sc_vendor, sc_product;

       bool                    sc_subdevs_attached;

       const struct emdtv_board *sc_board;

       struct lg3303           *sc_lg3303;
       struct xc3028           *sc_xc3028;

       struct i2c_controller   sc_i2c;
       kmutex_t                sc_i2c_lock;

       uint8_t                 sc_eeprom[EMDTV_EEPROM_LEN];

       struct usbd_interface   *sc_iface;

       struct usbd_pipe        *sc_isoc_pipe;
       int                     sc_isoc_buflen;
       int                     sc_isoc_maxpacketsize;
       struct emdtv_isoc_xfer  sc_ix[EMDTV_NXFERS];

       struct usbd_pipe        *sc_intr_pipe;
       uint8_t                 sc_intr_buf;
       struct workqueue        *sc_ir_wq;
       struct work             sc_ir_work;
       uint8_t                 sc_ir_keyid;

       kmutex_t                sc_ir_mutex;
       uint8_t                 sc_ir_queue[EMDTV_CIR_BUFLEN][3];
       int                     sc_ir_cnt;
       int                     sc_ir_ptr;
       bool                    sc_ir_open;

       uint32_t                sc_frequency;

       bool                    sc_streaming;
       void                    (*sc_dtvsubmitcb)(void *,
                                   const struct dtv_payload *);
       void                    *sc_dtvsubmitarg;

       bool                    sc_dying;
};

void    emdtv_dtv_attach(struct emdtv_softc *);
void    emdtv_dtv_detach(struct emdtv_softc *, int);
void    emdtv_dtv_rescan(struct emdtv_softc *, const char *, const int *);
void    emdtv_ir_attach(struct emdtv_softc *);
void    emdtv_ir_detach(struct emdtv_softc *, int);
int     emdtv_i2c_attach(struct emdtv_softc *);
int     emdtv_i2c_detach(struct emdtv_softc *, int);

uint8_t emdtv_read_1(struct emdtv_softc *, uint8_t, uint16_t);
void    emdtv_read_multi_1(struct emdtv_softc *, uint8_t, uint16_t,
                          uint8_t *, uint16_t);
void    emdtv_write_1(struct emdtv_softc *, uint8_t, uint16_t, uint8_t);
void    emdtv_write_multi_1(struct emdtv_softc *, uint8_t, uint16_t,
                           const uint8_t *, uint16_t);

bool    emdtv_gpio_ctl(struct emdtv_softc *, emdtv_gpio_reg_t, bool);

#endif /* !_DEV_USB_EMDTVVAR_H */