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emdtvvar.h revision 1.5 
      1 /* $NetBSD: emdtvvar.h,v 1.5 2022/06/26 22:49:09 riastradh Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2008 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _DEV_USB_EMDTVVAR_H
     30 #define _DEV_USB_EMDTVVAR_H
     31 
     32 #include <sys/mutex.h>
     33 #include <sys/condvar.h>
     34 #include <sys/workqueue.h>
     35 
     36 #include <dev/usb/usb.h>
     37 #include <dev/usb/usbdi.h>
     38 
     39 #include <dev/usb/emdtv_board.h>
     40 
     41 #include <dev/i2c/i2cvar.h>
     42 #include <dev/dtv/dtvif.h>
     43 
     44 #include <dev/i2c/lg3303var.h>
     45 #include <dev/i2c/xc3028var.h>
     46 
     47 #define EMDTV_EEPROM_LEN	256
     48 
     49 #define EMDTV_NXFERS		6
     50 #define EMDTV_NFRAMES		64
     51 
     52 #define EMDTV_CIR_BUFLEN	32
     53 
     54 struct emdtv_softc;
     55 
     56 struct emdtv_isoc_xfer {
     57 	struct emdtv_softc	*ix_sc;
     58 	struct usbd_xfer	*ix_xfer;
     59 	uint8_t			*ix_buf;
     60 	uint16_t		ix_frlengths[EMDTV_NFRAMES];
     61 	struct emdtv_isoc_xfer	*ix_altix;
     62 };
     63 
     64 struct emdtv_softc {
     65 	device_t		sc_dev;
     66 	struct usbd_device	*sc_udev;
     67 
     68 	device_t		sc_cirdev;
     69 	device_t		sc_dtvdev;
     70 
     71 	uint16_t		sc_vendor, sc_product;
     72 
     73 	bool			sc_subdevs_attached;
     74 
     75 	const struct emdtv_board *sc_board;
     76 
     77 	struct lg3303		*sc_lg3303;
     78 	struct xc3028		*sc_xc3028;
     79 
     80 	struct i2c_controller	sc_i2c;
     81 	kmutex_t		sc_i2c_lock;
     82 
     83 	uint8_t			sc_eeprom[EMDTV_EEPROM_LEN];
     84 
     85 	struct usbd_interface	*sc_iface;
     86 
     87 	struct usbd_pipe	*sc_isoc_pipe;
     88 	int			sc_isoc_buflen;
     89 	int			sc_isoc_maxpacketsize;
     90 	struct emdtv_isoc_xfer	sc_ix[EMDTV_NXFERS];
     91 
     92 	struct usbd_pipe	*sc_intr_pipe;
     93 	uint8_t			sc_intr_buf;
     94 	struct workqueue	*sc_ir_wq;
     95 	struct work		sc_ir_work;
     96 	uint8_t			sc_ir_keyid;
     97 
     98 	kmutex_t		sc_ir_mutex;
     99 	uint8_t			sc_ir_queue[EMDTV_CIR_BUFLEN][3];
    100 	int			sc_ir_cnt;
    101 	int			sc_ir_ptr;
    102 	bool			sc_ir_open;
    103 
    104 	uint32_t		sc_frequency;
    105 
    106 	bool			sc_streaming;
    107 	void			(*sc_dtvsubmitcb)(void *,
    108 				    const struct dtv_payload *);
    109 	void			*sc_dtvsubmitarg;
    110 
    111 	bool			sc_dying;
    112 };
    113 
    114 void	emdtv_dtv_attach(struct emdtv_softc *);
    115 void	emdtv_dtv_detach(struct emdtv_softc *, int);
    116 void	emdtv_dtv_rescan(struct emdtv_softc *, const char *, const int *);
    117 void	emdtv_ir_attach(struct emdtv_softc *);
    118 void	emdtv_ir_detach(struct emdtv_softc *, int);
    119 int	emdtv_i2c_attach(struct emdtv_softc *);
    120 int	emdtv_i2c_detach(struct emdtv_softc *, int);
    121 
    122 uint8_t	emdtv_read_1(struct emdtv_softc *, uint8_t, uint16_t);
    123 void	emdtv_read_multi_1(struct emdtv_softc *, uint8_t, uint16_t,
    124 			   uint8_t *, uint16_t);
    125 void	emdtv_write_1(struct emdtv_softc *, uint8_t, uint16_t, uint8_t);
    126 void	emdtv_write_multi_1(struct emdtv_softc *, uint8_t, uint16_t,
    127 			    const uint8_t *, uint16_t);
    128 
    129 bool	emdtv_gpio_ctl(struct emdtv_softc *, emdtv_gpio_reg_t, bool);
    130 
    131 #endif /* !_DEV_USB_EMDTVVAR_H */
    132