Current Path : /sys/dev/ida/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/ida/ida_eisa.c |
/*- * Copyright (c) 2000 Jonathan Lemon * Copyright (c) 1999 by Matthew N. Dodd <winter@jurai.net> * 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, * without modification, immediately at the beginning of the file. * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/sys/dev/ida/ida_eisa.c 166901 2007-02-23 12:19:07Z piso $"); #include <sys/param.h> #include <sys/systm.h> #include <sys/kernel.h> #include <sys/module.h> #include <sys/bus.h> #include <sys/bio.h> #include <sys/conf.h> #include <machine/bus.h> #include <machine/resource.h> #include <sys/rman.h> #include <geom/geom_disk.h> #include <dev/ida/idavar.h> #include <dev/ida/idareg.h> #include <dev/eisa/eisaconf.h> #define IDA_EISA_IOPORT_START 0x0c88 #define IDA_EISA_IOPORT_LEN 0x0017 #define IDA_EISA_IRQ_REG 0x0cc0 #define IDA_EISA_IRQ_MASK 0xf0 #define IDA_EISA_IRQ_15 0x80 #define IDA_EISA_IRQ_14 0x40 #define IDA_EISA_IRQ_11 0x10 #define IDA_EISA_IRQ_10 0x20 static int ida_v1_fifo_full(struct ida_softc *ida) { u_int8_t status; status = ida_inb(ida, R_EISA_SYSTEM_DOORBELL); return ((status & EISA_CHANNEL_CLEAR) == 0); } static void ida_v1_submit(struct ida_softc *ida, struct ida_qcb *qcb) { u_int16_t size; /* * On these cards, this location is actually for control flags. * Set them to zero and pass in structure size via an I/O port. */ size = qcb->hwqcb->hdr.size << 2; qcb->hwqcb->hdr.size = 0; ida_outb(ida, R_EISA_SYSTEM_DOORBELL, EISA_CHANNEL_CLEAR); ida_outl(ida, R_EISA_LIST_ADDR, qcb->hwqcb_busaddr); ida_outw(ida, R_EISA_LIST_LEN, size); ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_BUSY); } static bus_addr_t ida_v1_done(struct ida_softc *ida) { struct ida_hardware_qcb *hwqcb; bus_addr_t completed; u_int8_t status; if ((ida_inb(ida, R_EISA_SYSTEM_DOORBELL) & EISA_CHANNEL_BUSY) == 0) return (0); ida_outb(ida, R_EISA_SYSTEM_DOORBELL, EISA_CHANNEL_BUSY); completed = ida_inl(ida, R_EISA_COMPLETE_ADDR); status = ida_inb(ida, R_EISA_LIST_STATUS); ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_CLEAR); if (completed != 0) { hwqcb = (struct ida_hardware_qcb *) ((bus_addr_t)ida->hwqcbs + ((completed & ~3) - ida->hwqcb_busaddr)); hwqcb->req.error = status; } return (completed); } static int ida_v1_int_pending(struct ida_softc *ida) { return (ida_inb(ida, R_EISA_SYSTEM_DOORBELL) & EISA_CHANNEL_BUSY); } static void ida_v1_int_enable(struct ida_softc *ida, int enable) { if (enable) { ida_outb(ida, R_EISA_SYSTEM_DOORBELL, ~EISA_CHANNEL_CLEAR); ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_BUSY); ida_outb(ida, R_EISA_INT_MASK, INT_ENABLE); ida_outb(ida, R_EISA_SYSTEM_MASK, INT_ENABLE); ida->flags |= IDA_INTERRUPTS; } else { ida_outb(ida, R_EISA_SYSTEM_MASK, INT_DISABLE); ida->flags &= ~IDA_INTERRUPTS; } } static int ida_v2_fifo_full(struct ida_softc *ida) { return (ida_inl(ida, R_CMD_FIFO) == 0); } static void ida_v2_submit(struct ida_softc *ida, struct ida_qcb *qcb) { ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr); } static bus_addr_t ida_v2_done(struct ida_softc *ida) { return (ida_inl(ida, R_DONE_FIFO)); } static int ida_v2_int_pending(struct ida_softc *ida) { return (ida_inl(ida, R_INT_PENDING)); } static void ida_v2_int_enable(struct ida_softc *ida, int enable) { if (enable) ida->flags |= IDA_INTERRUPTS; else ida->flags &= ~IDA_INTERRUPTS; ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE); } static struct ida_access ida_v1_access = { ida_v1_fifo_full, ida_v1_submit, ida_v1_done, ida_v1_int_pending, ida_v1_int_enable, }; static struct ida_access ida_v2_access = { ida_v2_fifo_full, ida_v2_submit, ida_v2_done, ida_v2_int_pending, ida_v2_int_enable, }; static struct ida_board board_id[] = { { 0x0e114001, "Compaq IDA controller", &ida_v1_access, 0 }, { 0x0e114002, "Compaq IDA-2 controller", &ida_v1_access, 0 }, { 0x0e114010, "Compaq IAES controller", &ida_v1_access, 0 }, { 0x0e114020, "Compaq SMART array controller", &ida_v1_access, 0 }, { 0x0e114030, "Compaq SMART-2/E array controller", &ida_v2_access, 0 }, { 0, "", 0, 0 } }; static struct ida_board *ida_eisa_match(eisa_id_t); static int ida_eisa_probe(device_t); static int ida_eisa_attach(device_t); static device_method_t ida_eisa_methods[] = { DEVMETHOD(device_probe, ida_eisa_probe), DEVMETHOD(device_attach, ida_eisa_attach), DEVMETHOD(device_detach, ida_detach), { 0, 0 } }; static driver_t ida_eisa_driver = { "ida", ida_eisa_methods, sizeof(struct ida_softc) }; static devclass_t ida_devclass; static struct ida_board * ida_eisa_match(eisa_id_t id) { int i; for (i = 0; board_id[i].board; i++) if (board_id[i].board == id) return (&board_id[i]); return (NULL); } static int ida_eisa_probe(device_t dev) { struct ida_board *board; u_int32_t io_base; u_int irq = 0; board = ida_eisa_match(eisa_get_id(dev)); if (board == NULL) return (ENXIO); device_set_desc(dev, board->desc); io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE); switch (IDA_EISA_IRQ_MASK & (inb(IDA_EISA_IRQ_REG + io_base))) { case IDA_EISA_IRQ_15: irq = 15; break; case IDA_EISA_IRQ_14: irq = 14; break; case IDA_EISA_IRQ_11: irq = 11; break; case IDA_EISA_IRQ_10: irq = 10; break; default: device_printf(dev, "slot %d, illegal irq setting.\n", eisa_get_slot(dev)); return (ENXIO); } eisa_add_iospace(dev, (io_base + IDA_EISA_IOPORT_START), IDA_EISA_IOPORT_LEN, RESVADDR_NONE); eisa_add_intr(dev, irq, EISA_TRIGGER_LEVEL); /* XXX ??? */ return (0); } static int ida_eisa_attach(device_t dev) { struct ida_softc *ida; struct ida_board *board; int error; int rid; ida = device_get_softc(dev); ida->dev = dev; board = ida_eisa_match(eisa_get_id(dev)); ida->cmd = *board->accessor; ida->flags = board->flags; ida->regs_res_type = SYS_RES_IOPORT; ida->regs_res_id = 0; ida->regs = bus_alloc_resource_any(dev, ida->regs_res_type, &ida->regs_res_id, RF_ACTIVE); if (ida->regs == NULL) { device_printf(dev, "can't allocate register resources\n"); return (ENOMEM); } error = bus_dma_tag_create( /* parent */ NULL, /* alignment */ 0, /* boundary */ 0, /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, /* highaddr */ BUS_SPACE_MAXADDR, /* filter */ NULL, /* filterarg */ NULL, /* maxsize */ MAXBSIZE, /* nsegments */ IDA_NSEG, /* maxsegsize */ BUS_SPACE_MAXSIZE_32BIT, /* flags */ BUS_DMA_ALLOCNOW, /* lockfunc */ NULL, /* lockarg */ NULL, &ida->parent_dmat); if (error != 0) { device_printf(dev, "can't allocate DMA tag\n"); ida_free(ida); return (ENOMEM); } rid = 0; ida->irq_res_type = SYS_RES_IRQ; ida->irq = bus_alloc_resource_any(dev, ida->irq_res_type, &rid, RF_ACTIVE | RF_SHAREABLE); if (ida->irq == NULL) { ida_free(ida); return (ENOMEM); } error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO | INTR_ENTROPY, NULL, ida_intr, ida, &ida->ih); if (error) { device_printf(dev, "can't setup interrupt\n"); ida_free(ida); return (ENOMEM); } error = ida_init(ida); if (error) { ida_free(ida); return (error); } ida_attach(ida); ida->flags |= IDA_ATTACHED; return (0); } DRIVER_MODULE(ida, eisa, ida_eisa_driver, ida_devclass, 0, 0);