203 lines
7.5 KiB
C
203 lines
7.5 KiB
C
/* $NetBSD: maplevar.h,v 1.7 2003/02/15 02:36:53 itohy Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by ITOH Yasufumi.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*-
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* Copyright (c) 2001 Marcus Comstedt
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Marcus Comstedt.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/queue.h>
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#define MAPLE_PORTS 4
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#define MAPLE_SUBUNITS 6
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#define MAPLE_NFUNC 32
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struct maple_func {
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int f_funcno;
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struct maple_unit *f_unit;
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struct device *f_dev;
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/* callback */
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void (*f_callback)(void *, struct maple_response *,
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int /*len*/, int /*flags*/);
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void *f_arg;
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u_int32_t f_work; /* for periodic GETCOND and ping */
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/* periodic command request */
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enum maple_periodic_stat {
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MAPLE_PERIODIC_NONE,
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MAPLE_PERIODIC_INQ,
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MAPLE_PERIODIC_DEFERED
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} f_periodic_stat;
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TAILQ_ENTRY(maple_func) f_periodicq;
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/* command request */
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int f_command;
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int f_datalen;
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const void *f_dataaddr;
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enum maple_command_stat {
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MAPLE_CMDSTAT_NONE, /* not in queue */
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MAPLE_CMDSTAT_ASYNC, /* process immediately */
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MAPLE_CMDSTAT_PERIODIC_DEFERED, /* periodic but process imdtly*/
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MAPLE_CMDSTAT_ASYNC_PERIODICQ, /* async but on periodic queue*/
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MAPLE_CMDSTAT_PERIODIC /* process on periodic timing */
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} f_cmdstat;
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TAILQ_ENTRY(maple_func) f_cmdq;
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};
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/* work-around problem with 3rd party memory cards */
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#define MAPLE_MEMCARD_PING_HACK
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struct maple_unit {
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int port, subunit;
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struct maple_func u_func[MAPLE_NFUNC];
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u_int32_t getcond_func_set;
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int u_ping_func; /* function used for ping */
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u_int32_t u_noping; /* stop ping (bitmap of function) */
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#ifdef MAPLE_MEMCARD_PING_HACK
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enum maple_ping_stat {
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MAPLE_PING_NORMAL, /* ping with GETCOND */
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MAPLE_PING_MEMCARD, /* memory card, possibly 3rd party */
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MAPLE_PING_MINFO /* poorly implemented 3rd party card */
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} u_ping_stat;
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#endif
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struct maple_devinfo devinfo;
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/* DMA status / function */
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enum maple_dma_stat {
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MAPLE_DMA_IDLE, /* not in queue */
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MAPLE_DMA_RETRY, /* retrying last command (sc_retryq) */
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MAPLE_DMA_PERIODIC, /* periodic GETCOND */
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MAPLE_DMA_ACMD, /* asynchronous command */
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MAPLE_DMA_PCMD, /* command on periodic timing */
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MAPLE_DMA_PROBE, /* checking for insertion */
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MAPLE_DMA_PING /* checking for removal */
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} u_dma_stat;
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int u_dma_func;
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SIMPLEQ_ENTRY(maple_unit) u_dmaq;
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/* start of each receive buffer */
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u_int32_t *u_rxbuf;
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u_int32_t u_rxbuf_phys;
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/* for restarting command */
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int u_command;
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int u_datalen;
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const void *u_dataaddr;
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enum maple_dma_stat u_saved_dma_stat;
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int u_retrycnt;
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#define MAPLE_RETRY_MAX 100 /* ~2s */
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/*
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* The 2s retry is rather too long, but required to avoid
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* unwanted detach/attach.
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* If a Visual Memory (without cells) is inserted to a controller,
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* the controller (including the base device and the other unit
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* in the slot) stops responding for near 1 second. If two VM are
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* inserted in succession, the period becomes near 2s.
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*/
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/* queue for probe/ping */
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enum maple_queue_stat {
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MAPLE_QUEUE_NONE, /* not in queue */
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MAPLE_QUEUE_PROBE, /* checking for insertion */
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MAPLE_QUEUE_PING /* checking for removal */
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} u_queuestat;
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TAILQ_ENTRY(maple_unit) u_q;
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int u_proberetry; /* retry count (subunit != 0) */
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#define MAPLE_PROBERETRY_MAX 5
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};
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struct maple_softc {
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struct device sc_dev;
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struct callout maple_callout_ch;
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struct proc *event_thread;
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int8_t sc_port_unit_map[MAPLE_PORTS];
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int sc_port_units[MAPLE_PORTS];
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int sc_port_units_open[MAPLE_PORTS];
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struct maple_unit sc_unit[MAPLE_PORTS][MAPLE_SUBUNITS];
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u_int32_t *sc_txbuf; /* start of allocated transmit buffer */
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u_int32_t *sc_txpos; /* current write position in tx buffer */
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u_int32_t *sc_txlink; /* start of last written frame */
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u_int32_t sc_txbuf_phys; /* 29-bit physical address */
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void *sc_intrhand;
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int sc_dmadone; /* wchan */
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int sc_event; /* periodic event is active / wchan */
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SIMPLEQ_HEAD(maple_dmaq_head, maple_unit) sc_dmaq, sc_retryq;
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TAILQ_HEAD(maple_unitq_head, maple_unit) sc_probeq, sc_pingq;
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TAILQ_HEAD(maple_fnq_head, maple_func) sc_periodicq, sc_periodicdeferq;
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TAILQ_HEAD(maple_cmdq_head, maple_func) sc_acmdq, sc_pcmdq;
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};
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