at91dbguvar.h revision 1.4 1 1.4 tls /* $NetBSD: at91dbguvar.h,v 1.4 2011/11/19 22:51:19 tls Exp $ */
2 1.2 matt
3 1.2 matt /*-
4 1.2 matt * Copyright (c) 2007 Embedtronics Oy
5 1.2 matt *
6 1.2 matt * Redistribution and use in source and binary forms, with or without
7 1.2 matt * modification, are permitted provided that the following conditions
8 1.2 matt * are met:
9 1.2 matt * 1. Redistributions of source code must retain the above copyright
10 1.2 matt * notice, this list of conditions and the following disclaimer.
11 1.2 matt * 2. Redistributions in binary form must reproduce the above copyright
12 1.2 matt * notice, this list of conditions and the following disclaimer in the
13 1.2 matt * documentation and/or other materials provided with the distribution.
14 1.3 snj *
15 1.2 matt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
16 1.2 matt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 1.2 matt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 1.2 matt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
19 1.2 matt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 1.2 matt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 1.2 matt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 1.2 matt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 1.2 matt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 1.2 matt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 1.2 matt * SUCH DAMAGE.
26 1.2 matt *
27 1.2 matt */
28 1.2 matt
29 1.2 matt #ifndef _AT91DBGUVAR_H_
30 1.2 matt #define _AT91DBGUVAR_H_
31 1.2 matt
32 1.2 matt #include <sys/tty.h>
33 1.2 matt
34 1.2 matt /* Hardware flag masks */
35 1.2 matt #define COM_HW_NOIEN 0x01
36 1.2 matt #define COM_HW_DEV_OK 0x20
37 1.2 matt #define COM_HW_CONSOLE 0x40
38 1.2 matt #define COM_HW_KGDB 0x80
39 1.2 matt
40 1.2 matt #define RX_TTY_BLOCKED 0x01
41 1.2 matt #define RX_TTY_OVERFLOWED 0x02
42 1.2 matt #define RX_IBUF_BLOCKED 0x04
43 1.2 matt #define RX_IBUF_OVERFLOWED 0x08
44 1.2 matt #define RX_ANY_BLOCK 0x0f
45 1.2 matt
46 1.2 matt #define AT91DBGU_RING_SIZE 2048
47 1.2 matt
48 1.2 matt struct at91dbgu_softc {
49 1.2 matt device_t sc_dev;
50 1.2 matt bus_addr_t sc_hwbase;
51 1.2 matt bus_space_tag_t sc_iot;
52 1.2 matt bus_space_handle_t sc_ioh;
53 1.2 matt
54 1.2 matt void *sc_si;
55 1.2 matt
56 1.2 matt struct tty *sc_tty;
57 1.2 matt
58 1.2 matt u_char *sc_rbuf, *sc_ebuf;
59 1.2 matt
60 1.2 matt u_char *sc_tba;
61 1.2 matt u_int sc_tbc;
62 1.2 matt
63 1.2 matt u_char *volatile sc_rbget,
64 1.2 matt *volatile sc_rbput;
65 1.2 matt volatile u_int sc_rbavail;
66 1.2 matt
67 1.2 matt /* status flags */
68 1.2 matt int sc_hwflags, sc_swflags;
69 1.2 matt
70 1.2 matt volatile u_int sc_rx_flags,
71 1.2 matt sc_tx_busy,
72 1.2 matt sc_tx_done,
73 1.2 matt sc_tx_stopped,
74 1.2 matt sc_st_check,
75 1.2 matt sc_rx_ready;
76 1.2 matt
77 1.2 matt volatile u_int sc_brgr, sc_ier, sc_poll;
78 1.2 matt
79 1.2 matt /* power management hooks */
80 1.2 matt int (*enable)(struct at91dbgu_softc *);
81 1.2 matt int (*disable)(struct at91dbgu_softc *);
82 1.2 matt
83 1.2 matt int enabled;
84 1.2 matt #if NRND > 0 && defined(RND_COM)
85 1.4 tls krndsource_t rnd_source;
86 1.2 matt #endif
87 1.2 matt };
88 1.2 matt
89 1.2 matt void at91dbgu_attach_subr(struct at91dbgu_softc *);
90 1.2 matt int at91dbgu_intr(void* arg);
91 1.2 matt
92 1.2 matt void at91dbgu_attach_cn(bus_space_tag_t, int, int mode);
93 1.2 matt
94 1.2 matt #endif /* _AT91DBGUVAR_H_ */
95