maplevar.h revision 1.5
1 /* $NetBSD: maplevar.h,v 1.5 2002/11/15 13:30:21 itohy Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by ITOH Yasufumi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /*- 40 * Copyright (c) 2001 Marcus Comstedt 41 * All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by Marcus Comstedt. 54 * 4. Neither the name of The NetBSD Foundation nor the names of its 55 * contributors may be used to endorse or promote products derived 56 * from this software without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 59 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 60 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 61 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 62 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 63 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 64 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 65 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 66 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 67 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 68 * POSSIBILITY OF SUCH DAMAGE. 69 */ 70 71 #include <sys/queue.h> 72 73 #define MAPLE_PORTS 4 74 #define MAPLE_SUBUNITS 6 75 76 #define MAPLE_NFUNC 32 77 78 struct maple_func { 79 int f_funcno; 80 struct maple_unit *f_unit; 81 struct device *f_dev; 82 83 /* callback */ 84 void (*f_callback)(void *, struct maple_response *, 85 int /*len*/, int /*flags*/); 86 void *f_arg; 87 88 u_int32_t f_work; /* for periodic GETCOND and ping */ 89 90 /* periodic command request */ 91 enum maple_periodic_stat { 92 MAPLE_PERIODIC_NONE, 93 MAPLE_PERIODIC_INQ, 94 MAPLE_PERIODIC_DEFERED 95 } f_periodic_stat; 96 TAILQ_ENTRY(maple_func) f_periodicq; 97 98 /* command request */ 99 int f_command; 100 int f_datalen; 101 void *f_dataaddr; 102 enum maple_command_stat { 103 MAPLE_CMDSTAT_NONE, /* not in queue */ 104 MAPLE_CMDSTAT_ASYNC, /* process immediately */ 105 MAPLE_CMDSTAT_PERIODIC_DEFERED, /* periodic but process imdtly*/ 106 MAPLE_CMDSTAT_ASYNC_PERIODICQ, /* async but on periodic queue*/ 107 MAPLE_CMDSTAT_PERIODIC /* process on periodic timing */ 108 } f_cmdstat; 109 TAILQ_ENTRY(maple_func) f_cmdq; 110 }; 111 112 struct maple_unit { 113 int port, subunit; 114 struct maple_func u_func[MAPLE_NFUNC]; 115 u_int32_t getcond_func_set; 116 int u_ping_func; /* function used for ping */ 117 u_int32_t u_noping; /* stop ping (bitmap of function) */ 118 struct maple_devinfo devinfo; 119 120 /* DMA status / function */ 121 enum maple_dma_stat { 122 MAPLE_DMA_IDLE, /* not in queue */ 123 MAPLE_DMA_RETRY, /* retrying last command (sc_retryq) */ 124 MAPLE_DMA_PERIODIC, /* periodic GETCOND */ 125 MAPLE_DMA_ACMD, /* asynchronous command */ 126 MAPLE_DMA_PCMD, /* command on periodic timing */ 127 MAPLE_DMA_PROBE, /* checking for insertion */ 128 MAPLE_DMA_PING /* checking for removal */ 129 } u_dma_stat; 130 int u_dma_func; 131 132 SIMPLEQ_ENTRY(maple_unit) u_dmaq; 133 134 /* start of each receive buffer */ 135 u_int32_t *u_rxbuf; 136 u_int32_t u_rxbuf_phys; 137 138 /* for restarting command */ 139 int u_command; 140 int u_datalen; 141 void *u_dataaddr; 142 enum maple_dma_stat u_saved_dma_stat; 143 int u_retrycnt; 144 #define MAPLE_RETRY_MAX 100 /* ~2s */ 145 /* 146 * The 2s retry is rather too long, but required to avoid 147 * unwanted detach/attach. 148 * If a Visual Memory (without cells) is inserted to a controller, 149 * the controller (including the base device and the other unit 150 * in the slot) stops responding for near 1 second. If two VM are 151 * inserted in succession, the period becomes near 2s. 152 */ 153 154 /* queue for probe/ping */ 155 enum maple_queue_stat { 156 MAPLE_QUEUE_NONE, /* not in queue */ 157 MAPLE_QUEUE_PROBE, /* checking for insertion */ 158 MAPLE_QUEUE_PING /* checking for removal */ 159 } u_queuestat; 160 TAILQ_ENTRY(maple_unit) u_q; 161 int u_proberetry; /* retry count (subunit != 0) */ 162 #define MAPLE_PROBERETRY_MAX 5 163 }; 164 165 struct maple_softc { 166 struct device sc_dev; 167 168 struct callout maple_callout_ch; 169 struct proc *event_thread; 170 171 int8_t sc_port_unit_map[MAPLE_PORTS]; 172 int sc_port_units[MAPLE_PORTS]; 173 int sc_port_units_open[MAPLE_PORTS]; 174 175 struct maple_unit sc_unit[MAPLE_PORTS][MAPLE_SUBUNITS]; 176 177 u_int32_t *sc_txbuf; /* start of allocated transmit buffer */ 178 u_int32_t *sc_txpos; /* current write position in tx buffer */ 179 u_int32_t *sc_txlink; /* start of last written frame */ 180 181 u_int32_t sc_txbuf_phys; /* 29-bit physical address */ 182 183 void *sc_intrhand; 184 int sc_dmadone; /* wchan */ 185 186 int sc_event; /* periodic event is active / wchan */ 187 188 SIMPLEQ_HEAD(maple_dmaq_head, maple_unit) sc_dmaq, sc_retryq; 189 TAILQ_HEAD(maple_unitq_head, maple_unit) sc_probeq, sc_pingq; 190 TAILQ_HEAD(maple_fnq_head, maple_func) sc_periodicq, sc_periodicdeferq; 191 TAILQ_HEAD(maple_cmdq_head, maple_func) sc_acmdq, sc_pcmdq; 192 }; 193
Indexes created Mon Sep 29 21:09:56 GMT 2025