/*- * Copyright (c) 1999,2000 Jonathan Lemon * 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. * * 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. * * $FreeBSD$ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define IDA_PCI_MAX_DMA_ADDR 0xFFFFFFFF #define IDA_PCI_MAX_DMA_COUNT 0xFFFFFFFF #define IDA_PCI_MEMADDR (PCIR_MAPS + 4) /* Mem I/O Address */ #define IDA_DEVICEID_SMART 0xAE100E11 static int ida_v3_fifo_full(struct ida_softc *ida) { return (ida_inl(ida, R_CMD_FIFO) == 0); } static void ida_v3_submit(struct ida_softc *ida, struct ida_qcb *qcb) { ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr); } static bus_addr_t ida_v3_done(struct ida_softc *ida) { return (ida_inl(ida, R_DONE_FIFO)); } static int ida_v3_int_pending(struct ida_softc *ida) { return (ida_inl(ida, R_INT_PENDING)); } static void ida_v3_int_enable(struct ida_softc *ida, int enable) { ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE); } static int ida_v4_fifo_full(struct ida_softc *ida) { return (ida_inl(ida, R_42XX_REQUEST) != 0); } static void ida_v4_submit(struct ida_softc *ida, struct ida_qcb *qcb) { ida_outl(ida, R_42XX_REQUEST, qcb->hwqcb_busaddr); } static bus_addr_t ida_v4_done(struct ida_softc *ida) { bus_addr_t completed; completed = ida_inl(ida, R_42XX_REPLY); if (completed == -1) return (0); /* fifo is empty */ ida_outl(ida, R_42XX_REPLY, 0); /* confirm read */ return (completed); } static int ida_v4_int_pending(struct ida_softc *ida) { return (ida_inl(ida, R_42XX_STATUS) & STATUS_42XX_INT_PENDING); } static void ida_v4_int_enable(struct ida_softc *ida, int enable) { ida_outl(ida, R_42XX_INT_MASK, enable ? INT_ENABLE_42XX : INT_DISABLE_42XX); } static struct ida_access ida_v3_access = { ida_v3_fifo_full, ida_v3_submit, ida_v3_done, ida_v3_int_pending, ida_v3_int_enable, }; static struct ida_access ida_v4_access = { ida_v4_fifo_full, ida_v4_submit, ida_v4_done, ida_v4_int_pending, ida_v4_int_enable, }; static struct ida_board board_id[] = { { 0x4030, "Compaq SMART-2/P array controller", &ida_v3_access }, { 0x4031, "Compaq SMART-2SL array controller", &ida_v3_access }, { 0x4032, "Compaq Smart Array 3200 controller", &ida_v3_access }, { 0x4033, "Compaq Smart Array 3100ES controller", &ida_v3_access }, { 0x4034, "Compaq Smart Array 221 controller", &ida_v3_access }, { 0x4040, "Compaq Integrated Array controller", &ida_v4_access }, { 0x4050, "Compaq Smart Array 4200 controller", &ida_v4_access }, { 0x4051, "Compaq Smart Array 4250ES controller", &ida_v4_access }, { 0, "", 0 }, }; static int ida_pci_probe(device_t dev); static int ida_pci_attach(device_t dev); static device_method_t ida_pci_methods[] = { DEVMETHOD(device_probe, ida_pci_probe), DEVMETHOD(device_attach, ida_pci_attach), DEVMETHOD(device_detach, ida_detach), DEVMETHOD(bus_print_child, bus_generic_print_child), { 0, 0 } }; static driver_t ida_pci_driver = { "ida", ida_pci_methods, sizeof(struct ida_softc) }; static devclass_t ida_devclass; static struct ida_board * ida_pci_match(u_int32_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_pci_probe(device_t dev) { struct ida_board *board; if (pci_get_devid(dev) == IDA_DEVICEID_SMART) { board = ida_pci_match(pci_get_subdevice(dev)); if (board != NULL) { device_set_desc(dev, board->desc); return (0); } } return (ENXIO); } static int ida_pci_attach(device_t dev) { struct ida_board *board; struct ida_softc *ida; u_int command; int error, rid; command = pci_read_config(dev, PCIR_COMMAND, 1); /* * it appears that this board only does MEMIO access. */ if ((command & PCIM_CMD_MEMEN) == 0) { device_printf(dev, "Only memory mapped I/O is supported\n"); return (ENXIO); } ida = (struct ida_softc *)device_get_softc(dev); ida->dev = dev; board = ida_pci_match(pci_get_subdevice(dev)); ida->cmd = *board->accessor; ida->regs_res_type = SYS_RES_MEMORY; ida->regs_res_id = IDA_PCI_MEMADDR; ida->regs = bus_alloc_resource(dev, ida->regs_res_type, &ida->regs_res_id, 0, ~0, 1, 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*/1, /*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, &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(dev, ida->irq_res_type, &rid, 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); if (ida->irq == NULL) { ida_free(ida); return (ENOMEM); } error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO, 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, pci, ida_pci_driver, ida_devclass, 0, 0);