1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/* $NetBSD: maplevar.h,v 1.15 2015/12/06 02:04:10 tsutsui Exp $ */
/*-
* Copyright (c) 2002 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by ITOH Yasufumi.
*
* 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.
*/
/*-
* Copyright (c) 2001 Marcus Comstedt
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Marcus Comstedt.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 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.
*/
#include <sys/queue.h>
#define MAPLE_PORTS 4
#define MAPLE_SUBUNITS 6
#define MAPLE_NFUNC 32
struct maple_func {
int f_funcno;
struct maple_unit *f_unit;
device_t f_dev;
/* callback */
void (*f_callback)(void *, struct maple_response *,
int /*len*/, int /*flags*/);
void *f_arg;
uint32_t f_work; /* for periodic GETCOND and ping */
/* periodic command request */
enum maple_periodic_stat {
MAPLE_PERIODIC_NONE,
MAPLE_PERIODIC_INQ,
MAPLE_PERIODIC_DEFERED
} f_periodic_stat;
TAILQ_ENTRY(maple_func) f_periodicq;
/* command request */
int f_command;
int f_datalen;
const void *f_dataaddr;
enum maple_command_stat {
MAPLE_CMDSTAT_NONE, /* not in queue */
MAPLE_CMDSTAT_ASYNC, /* process immediately */
MAPLE_CMDSTAT_PERIODIC_DEFERED, /* periodic but process imdtly*/
MAPLE_CMDSTAT_ASYNC_PERIODICQ, /* async but on periodic queue*/
MAPLE_CMDSTAT_PERIODIC /* process on periodic timing */
} f_cmdstat;
TAILQ_ENTRY(maple_func) f_cmdq;
};
/* work-around problem with 3rd party memory cards */
#define MAPLE_MEMCARD_PING_HACK
struct maple_unit {
int port, subunit;
struct maple_func u_func[MAPLE_NFUNC];
uint32_t getcond_func_set;
int u_ping_func; /* function used for ping */
uint32_t u_noping; /* stop ping (bitmap of function) */
#ifdef MAPLE_MEMCARD_PING_HACK
enum maple_ping_stat {
MAPLE_PING_NORMAL, /* ping with GETCOND */
MAPLE_PING_MEMCARD, /* memory card, possibly 3rd party */
MAPLE_PING_MINFO /* poorly implemented 3rd party card */
} u_ping_stat;
#endif
struct maple_devinfo devinfo;
/* DMA status / function */
enum maple_dma_stat {
MAPLE_DMA_IDLE, /* not in queue */
MAPLE_DMA_RETRY, /* retrying last command (sc_retryq) */
MAPLE_DMA_PERIODIC, /* periodic GETCOND */
MAPLE_DMA_ACMD, /* asynchronous command */
MAPLE_DMA_PCMD, /* command on periodic timing */
MAPLE_DMA_PROBE, /* checking for insertion */
MAPLE_DMA_PING /* checking for removal */
} u_dma_stat;
int u_dma_func;
SIMPLEQ_ENTRY(maple_unit) u_dmaq;
/* start of each receive buffer */
uint32_t *u_rxbuf;
uint32_t u_rxbuf_phys;
/* for restarting command */
int u_command;
int u_datalen;
const void *u_dataaddr;
enum maple_dma_stat u_saved_dma_stat;
int u_retrycnt;
#define MAPLE_RETRY_MAX 100 /* ~2s */
/*
* The 2s retry is rather too long, but required to avoid
* unwanted detach/attach.
* If a Visual Memory (without cells) is inserted to a controller,
* the controller (including the base device and the other unit
* in the slot) stops responding for near 1 second. If two VM are
* inserted in succession, the period becomes near 2s.
*/
/* queue for probe/ping */
enum maple_queue_stat {
MAPLE_QUEUE_NONE, /* not in queue */
MAPLE_QUEUE_PROBE, /* checking for insertion */
MAPLE_QUEUE_PING /* checking for removal */
} u_queuestat;
TAILQ_ENTRY(maple_unit) u_q;
int u_proberetry; /* retry count (subunit != 0) */
#define MAPLE_PROBERETRY_MAX 5
};
struct maple_softc {
device_t sc_dev;
callout_t maple_callout_ch;
lwp_t *event_thread;
int8_t sc_port_unit_map[MAPLE_PORTS];
int sc_port_units[MAPLE_PORTS];
int sc_port_units_open[MAPLE_PORTS];
struct maple_unit sc_unit[MAPLE_PORTS][MAPLE_SUBUNITS];
uint32_t *sc_txbuf; /* start of allocated transmit buffer */
uint32_t *sc_txpos; /* current write position in tx buffer */
uint32_t *sc_txlink; /* start of last written frame */
uint32_t sc_txbuf_phys; /* 29-bit physical address */
void *sc_intrhand;
kmutex_t sc_dma_lock;
kcondvar_t sc_dma_cv;
int sc_event; /* periodic event is active */
kmutex_t sc_event_lock;
kcondvar_t sc_event_cv;
SIMPLEQ_HEAD(maple_dmaq_head, maple_unit) sc_dmaq, sc_retryq;
TAILQ_HEAD(maple_unitq_head, maple_unit) sc_probeq, sc_pingq;
TAILQ_HEAD(maple_fnq_head, maple_func) sc_periodicq, sc_periodicdeferq;
TAILQ_HEAD(maple_cmdq_head, maple_func) sc_acmdq, sc_pcmdq;
};
|