1/* $NetBSD: emdtvvar.h,v 1.2 2011/07/11 18:30:31 jmcneill Exp $ */
2
3/*-
4 * Copyright (c) 2008 Jared D. McNeill <jmcneill@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
54struct emdtv_softc;
55
56struct emdtv_isoc_xfer {
57	struct emdtv_softc	*ix_sc;
58	usbd_xfer_handle	ix_xfer;
59	uint8_t			*ix_buf;
60	uint16_t		ix_frlengths[EMDTV_NFRAMES];
61	struct emdtv_isoc_xfer	*ix_altix;
62};
63
64struct emdtv_softc {
65	device_t		sc_dev;
66	usbd_device_handle	sc_udev;
67
68	device_t		sc_cirdev;
69	device_t		sc_dtvdev;
70
71	uint16_t		sc_vendor, sc_product;
72
73	const struct emdtv_board *sc_board;
74
75	struct lg3303		*sc_lg3303;
76	struct xc3028		*sc_xc3028;
77
78	struct i2c_controller	sc_i2c;
79	kmutex_t		sc_i2c_lock;
80
81	uint8_t			sc_eeprom[EMDTV_EEPROM_LEN];
82
83	usbd_interface_handle	sc_iface;
84
85	usbd_pipe_handle	sc_isoc_pipe;
86	int			sc_isoc_buflen;
87	int			sc_isoc_maxpacketsize;
88	struct emdtv_isoc_xfer	sc_ix[EMDTV_NXFERS];
89
90	usbd_pipe_handle	sc_intr_pipe;
91	uint8_t			sc_intr_buf;
92	struct workqueue	*sc_ir_wq;
93	struct work		sc_ir_work;
94	uint8_t			sc_ir_keyid;
95
96	kmutex_t		sc_ir_mutex;
97	uint8_t			sc_ir_queue[EMDTV_CIR_BUFLEN][3];
98	int			sc_ir_cnt;
99	int			sc_ir_ptr;
100	bool			sc_ir_open;
101
102	uint32_t		sc_frequency;
103
104	bool			sc_streaming;
105	void			(*sc_dtvsubmitcb)(void *,
106				    const struct dtv_payload *);
107	void			*sc_dtvsubmitarg;
108
109	bool			sc_dying;
110};
111
112void	emdtv_dtv_attach(struct emdtv_softc *);
113void	emdtv_dtv_detach(struct emdtv_softc *, int);
114void	emdtv_dtv_rescan(struct emdtv_softc *, const char *, const int *);
115void	emdtv_ir_attach(struct emdtv_softc *);
116void	emdtv_ir_detach(struct emdtv_softc *, int);
117int	emdtv_i2c_attach(struct emdtv_softc *);
118int	emdtv_i2c_detach(struct emdtv_softc *, int);
119
120uint8_t	emdtv_read_1(struct emdtv_softc *, uint8_t, uint16_t);
121void	emdtv_read_multi_1(struct emdtv_softc *, uint8_t, uint16_t,
122			   uint8_t *, uint16_t);
123void	emdtv_write_1(struct emdtv_softc *, uint8_t, uint16_t, uint8_t);
124void	emdtv_write_multi_1(struct emdtv_softc *, uint8_t, uint16_t,
125			    const uint8_t *, uint16_t);
126
127bool	emdtv_gpio_ctl(struct emdtv_softc *, emdtv_gpio_reg_t, bool);
128
129#endif /* !_DEV_USB_EMDTVVAR_H */
130