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@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