/* $NetBSD: maplevar.h,v 1.16 2025/11/24 08:17:29 nia 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. 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; };
