ida_eisa.c revision 129879
157828Sjlemon/* 257828Sjlemon * Copyright (c) 2000 Jonathan Lemon 357828Sjlemon * Copyright (c) 1999 by Matthew N. Dodd <winter@jurai.net> 457828Sjlemon * All Rights Reserved. 557828Sjlemon * 657828Sjlemon * Redistribution and use in source and binary forms, with or without 757828Sjlemon * modification, are permitted provided that the following conditions 857828Sjlemon * are met: 957828Sjlemon * 1. Redistributions of source code must retain the above copyright 1057828Sjlemon * notice, this list of conditions, and the following disclaimer, 1157828Sjlemon * without modification, immediately at the beginning of the file. 1257828Sjlemon * 2. The name of the author may not be used to endorse or promote products 1357828Sjlemon * derived from this software without specific prior written permission. 1457828Sjlemon * 1557828Sjlemon * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1657828Sjlemon * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1757828Sjlemon * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1857828Sjlemon * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 1957828Sjlemon * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2057828Sjlemon * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2157828Sjlemon * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2257828Sjlemon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2357828Sjlemon * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2457828Sjlemon * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2557828Sjlemon * SUCH DAMAGE. 2657828Sjlemon */ 2757828Sjlemon 28119418Sobrien#include <sys/cdefs.h> 29119418Sobrien__FBSDID("$FreeBSD: head/sys/dev/ida/ida_eisa.c 129879 2004-05-30 20:08:47Z phk $"); 30119418Sobrien 3157828Sjlemon#include <sys/param.h> 3257828Sjlemon#include <sys/systm.h> 3357828Sjlemon#include <sys/kernel.h> 34129879Sphk#include <sys/module.h> 3557828Sjlemon#include <sys/bus.h> 3657828Sjlemon 3760041Sphk#include <sys/bio.h> 38111337Sphk#include <sys/conf.h> 3957828Sjlemon 4057828Sjlemon#include <machine/bus_pio.h> 4157828Sjlemon#include <machine/bus.h> 4257828Sjlemon#include <machine/resource.h> 4357828Sjlemon#include <sys/rman.h> 4457828Sjlemon 45112946Sphk#include <geom/geom_disk.h> 46112946Sphk 4757828Sjlemon#include <dev/ida/idavar.h> 4857828Sjlemon#include <dev/ida/idareg.h> 4957828Sjlemon 5057828Sjlemon#include <dev/eisa/eisaconf.h> 5157828Sjlemon 52124471Smdodd#define IDA_EISA_IOPORT_START 0x0c88 53124471Smdodd#define IDA_EISA_IOPORT_LEN 0x0017 5457828Sjlemon 55124471Smdodd#define IDA_EISA_IRQ_REG 0x0cc0 56124471Smdodd#define IDA_EISA_IRQ_MASK 0xf0 57124471Smdodd#define IDA_EISA_IRQ_15 0x80 58124471Smdodd#define IDA_EISA_IRQ_14 0x40 59124471Smdodd#define IDA_EISA_IRQ_11 0x10 60124471Smdodd#define IDA_EISA_IRQ_10 0x20 6157828Sjlemon 6257828Sjlemonstatic int 6357828Sjlemonida_v1_fifo_full(struct ida_softc *ida) 6457828Sjlemon{ 6557828Sjlemon u_int8_t status; 6657828Sjlemon 6757828Sjlemon status = ida_inb(ida, R_EISA_SYSTEM_DOORBELL); 6857828Sjlemon return ((status & EISA_CHANNEL_CLEAR) == 0); 6957828Sjlemon} 7057828Sjlemon 7157828Sjlemonstatic void 7257828Sjlemonida_v1_submit(struct ida_softc *ida, struct ida_qcb *qcb) 7357828Sjlemon{ 7457828Sjlemon u_int16_t size; 7557828Sjlemon 7657828Sjlemon /* 7757828Sjlemon * On these cards, this location is actually for control flags. 7857828Sjlemon * Set them to zero and pass in structure size via an I/O port. 7957828Sjlemon */ 8057828Sjlemon size = qcb->hwqcb->hdr.size << 2; 8157828Sjlemon qcb->hwqcb->hdr.size = 0; 8257828Sjlemon 8357828Sjlemon ida_outb(ida, R_EISA_SYSTEM_DOORBELL, EISA_CHANNEL_CLEAR); 8457828Sjlemon ida_outl(ida, R_EISA_LIST_ADDR, qcb->hwqcb_busaddr); 8557828Sjlemon ida_outw(ida, R_EISA_LIST_LEN, size); 8659209Smdodd ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_BUSY); 8757828Sjlemon} 8857828Sjlemon 8957828Sjlemonstatic bus_addr_t 9057828Sjlemonida_v1_done(struct ida_softc *ida) 9157828Sjlemon{ 9257828Sjlemon struct ida_hardware_qcb *hwqcb; 9357828Sjlemon bus_addr_t completed; 9457828Sjlemon u_int8_t status; 9557828Sjlemon 9657828Sjlemon if ((ida_inb(ida, R_EISA_SYSTEM_DOORBELL) & EISA_CHANNEL_BUSY) == 0) 9757828Sjlemon return (0); 9857828Sjlemon 9957828Sjlemon ida_outb(ida, R_EISA_SYSTEM_DOORBELL, EISA_CHANNEL_BUSY); 10057828Sjlemon completed = ida_inl(ida, R_EISA_COMPLETE_ADDR); 10157828Sjlemon status = ida_inb(ida, R_EISA_LIST_STATUS); 10257828Sjlemon ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_CLEAR); 10357828Sjlemon 10457828Sjlemon if (completed != 0) { 10557828Sjlemon hwqcb = (struct ida_hardware_qcb *) 10657828Sjlemon ((bus_addr_t)ida->hwqcbs + 10757828Sjlemon ((completed & ~3) - ida->hwqcb_busaddr)); 10857828Sjlemon hwqcb->req.error = status; 10957828Sjlemon } 11057828Sjlemon 11157828Sjlemon return (completed); 11257828Sjlemon} 11357828Sjlemon 11457828Sjlemonstatic int 11557828Sjlemonida_v1_int_pending(struct ida_softc *ida) 11657828Sjlemon{ 11757828Sjlemon return (ida_inb(ida, R_EISA_SYSTEM_DOORBELL) & EISA_CHANNEL_BUSY); 11857828Sjlemon} 11957828Sjlemon 12057828Sjlemonstatic void 12157828Sjlemonida_v1_int_enable(struct ida_softc *ida, int enable) 12257828Sjlemon{ 12357828Sjlemon if (enable) { 12457828Sjlemon ida_outb(ida, R_EISA_SYSTEM_DOORBELL, ~EISA_CHANNEL_CLEAR); 12557828Sjlemon ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_BUSY); 12657828Sjlemon ida_outb(ida, R_EISA_INT_MASK, INT_ENABLE); 12757828Sjlemon ida_outb(ida, R_EISA_SYSTEM_MASK, INT_ENABLE); 12873113Sjlemon ida->flags |= IDA_INTERRUPTS; 12957828Sjlemon } else { 13057828Sjlemon ida_outb(ida, R_EISA_SYSTEM_MASK, INT_DISABLE); 13173113Sjlemon ida->flags &= ~IDA_INTERRUPTS; 13257828Sjlemon } 13357828Sjlemon} 13457828Sjlemon 13557828Sjlemonstatic int 13657828Sjlemonida_v2_fifo_full(struct ida_softc *ida) 13757828Sjlemon{ 13857828Sjlemon return (ida_inl(ida, R_CMD_FIFO) == 0); 13957828Sjlemon} 14057828Sjlemon 14157828Sjlemonstatic void 14257828Sjlemonida_v2_submit(struct ida_softc *ida, struct ida_qcb *qcb) 14357828Sjlemon{ 14457828Sjlemon ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr); 14557828Sjlemon} 14657828Sjlemon 14757828Sjlemonstatic bus_addr_t 14857828Sjlemonida_v2_done(struct ida_softc *ida) 14957828Sjlemon{ 15057828Sjlemon return (ida_inl(ida, R_DONE_FIFO)); 15157828Sjlemon} 15257828Sjlemon 15357828Sjlemonstatic int 15457828Sjlemonida_v2_int_pending(struct ida_softc *ida) 15557828Sjlemon{ 15657828Sjlemon return (ida_inl(ida, R_INT_PENDING)); 15757828Sjlemon} 15857828Sjlemon 15957828Sjlemonstatic void 16057828Sjlemonida_v2_int_enable(struct ida_softc *ida, int enable) 16157828Sjlemon{ 16273113Sjlemon if (enable) 16373113Sjlemon ida->flags |= IDA_INTERRUPTS; 16473113Sjlemon else 16573113Sjlemon ida->flags &= ~IDA_INTERRUPTS; 16657828Sjlemon ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE); 16757828Sjlemon} 16857828Sjlemon 16957828Sjlemonstatic struct ida_access ida_v1_access = { 17057828Sjlemon ida_v1_fifo_full, 17157828Sjlemon ida_v1_submit, 17257828Sjlemon ida_v1_done, 17357828Sjlemon ida_v1_int_pending, 17457828Sjlemon ida_v1_int_enable, 17557828Sjlemon}; 17657828Sjlemon 17757828Sjlemonstatic struct ida_access ida_v2_access = { 17857828Sjlemon ida_v2_fifo_full, 17957828Sjlemon ida_v2_submit, 18057828Sjlemon ida_v2_done, 18157828Sjlemon ida_v2_int_pending, 18257828Sjlemon ida_v2_int_enable, 18357828Sjlemon}; 18457828Sjlemon 18557828Sjlemonstatic struct ida_board board_id[] = { 18670845Sjlemon { 0x0e114001, "Compaq IDA controller", 18770845Sjlemon &ida_v1_access, 0 }, 18870845Sjlemon { 0x0e114002, "Compaq IDA-2 controller", 18970845Sjlemon &ida_v1_access, 0 }, 19070845Sjlemon { 0x0e114010, "Compaq IAES controller", 19170845Sjlemon &ida_v1_access, 0 }, 19270845Sjlemon { 0x0e114020, "Compaq SMART array controller", 19370845Sjlemon &ida_v1_access, 0 }, 19470845Sjlemon { 0x0e114030, "Compaq SMART-2/E array controller", 19570845Sjlemon &ida_v2_access, 0 }, 19657828Sjlemon 19770845Sjlemon { 0, "", 0, 0 } 19857828Sjlemon}; 19957828Sjlemon 20057828Sjlemonstatic struct ida_board *ida_eisa_match(eisa_id_t); 20157828Sjlemonstatic int ida_eisa_probe(device_t); 20257828Sjlemonstatic int ida_eisa_attach(device_t); 20357828Sjlemon 20457828Sjlemonstatic device_method_t ida_eisa_methods[] = { 20557828Sjlemon DEVMETHOD(device_probe, ida_eisa_probe), 20657828Sjlemon DEVMETHOD(device_attach, ida_eisa_attach), 20757828Sjlemon DEVMETHOD(device_detach, ida_detach), 20857828Sjlemon 20957828Sjlemon { 0, 0 } 21057828Sjlemon}; 21157828Sjlemon 21257828Sjlemonstatic driver_t ida_eisa_driver = { 21357828Sjlemon "ida", 21457828Sjlemon ida_eisa_methods, 21557828Sjlemon sizeof(struct ida_softc) 21657828Sjlemon}; 21757828Sjlemon 21857828Sjlemonstatic devclass_t ida_devclass; 21957828Sjlemon 22057828Sjlemonstatic struct ida_board * 22157828Sjlemonida_eisa_match(eisa_id_t id) 22257828Sjlemon{ 22357828Sjlemon int i; 22457828Sjlemon 22557828Sjlemon for (i = 0; board_id[i].board; i++) 22657828Sjlemon if (board_id[i].board == id) 22757828Sjlemon return (&board_id[i]); 22857828Sjlemon return (NULL); 22957828Sjlemon} 23057828Sjlemon 23157828Sjlemonstatic int 23257828Sjlemonida_eisa_probe(device_t dev) 23357828Sjlemon{ 23457828Sjlemon struct ida_board *board; 23557828Sjlemon u_int32_t io_base; 23657828Sjlemon u_int irq = 0; 23757828Sjlemon 23857828Sjlemon board = ida_eisa_match(eisa_get_id(dev)); 23957828Sjlemon if (board == NULL) 24057828Sjlemon return (ENXIO); 24157828Sjlemon device_set_desc(dev, board->desc); 24257828Sjlemon 24357828Sjlemon io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE); 24457828Sjlemon 24557828Sjlemon switch (IDA_EISA_IRQ_MASK & (inb(IDA_EISA_IRQ_REG + io_base))) { 24657828Sjlemon case IDA_EISA_IRQ_15: 24757828Sjlemon irq = 15; 24857828Sjlemon break; 24957828Sjlemon case IDA_EISA_IRQ_14: 25057828Sjlemon irq = 14; 25157828Sjlemon break; 25257828Sjlemon case IDA_EISA_IRQ_11: 25357828Sjlemon irq = 11; 25457828Sjlemon break; 25557828Sjlemon case IDA_EISA_IRQ_10: 25657828Sjlemon irq = 10; 25757828Sjlemon break; 25857828Sjlemon default: 25957828Sjlemon device_printf(dev, "slot %d, illegal irq setting.\n", 26057828Sjlemon eisa_get_slot(dev)); 26157828Sjlemon return (ENXIO); 26257828Sjlemon } 26357828Sjlemon 26457828Sjlemon eisa_add_iospace(dev, (io_base + IDA_EISA_IOPORT_START), 26557828Sjlemon IDA_EISA_IOPORT_LEN, RESVADDR_NONE); 26657828Sjlemon 26757828Sjlemon eisa_add_intr(dev, irq, EISA_TRIGGER_LEVEL); /* XXX ??? */ 26857828Sjlemon 26957828Sjlemon return (0); 27057828Sjlemon} 27157828Sjlemon 27257828Sjlemonstatic int 27357828Sjlemonida_eisa_attach(device_t dev) 27457828Sjlemon{ 27557828Sjlemon struct ida_softc *ida; 27657828Sjlemon struct ida_board *board; 27757828Sjlemon int error; 27857828Sjlemon int rid; 27957828Sjlemon 28057828Sjlemon ida = device_get_softc(dev); 28157828Sjlemon ida->dev = dev; 28257828Sjlemon 28357828Sjlemon board = ida_eisa_match(eisa_get_id(dev)); 28457828Sjlemon ida->cmd = *board->accessor; 28570845Sjlemon ida->flags = board->flags; 28657828Sjlemon 28757828Sjlemon ida->regs_res_type = SYS_RES_IOPORT; 28857828Sjlemon ida->regs_res_id = 0; 289127135Snjl ida->regs = bus_alloc_resource_any(dev, ida->regs_res_type, 290127135Snjl &ida->regs_res_id, RF_ACTIVE); 29157828Sjlemon if (ida->regs == NULL) { 29257828Sjlemon device_printf(dev, "can't allocate register resources\n"); 29357828Sjlemon return (ENOMEM); 29457828Sjlemon } 29557828Sjlemon 29657828Sjlemon error = bus_dma_tag_create( 29757828Sjlemon /* parent */ NULL, 29857828Sjlemon /* alignment */ 0, 29957828Sjlemon /* boundary */ 0, 30057828Sjlemon /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 30157828Sjlemon /* highaddr */ BUS_SPACE_MAXADDR, 30257828Sjlemon /* filter */ NULL, 30357828Sjlemon /* filterarg */ NULL, 30457828Sjlemon /* maxsize */ MAXBSIZE, 30557828Sjlemon /* nsegments */ IDA_NSEG, 30657828Sjlemon /* maxsegsize */ BUS_SPACE_MAXSIZE_32BIT, 30757828Sjlemon /* flags */ BUS_DMA_ALLOCNOW, 308117126Sscottl /* lockfunc */ NULL, 309117126Sscottl /* lockarg */ NULL, 31057828Sjlemon &ida->parent_dmat); 31157828Sjlemon 31257828Sjlemon if (error != 0) { 31357828Sjlemon device_printf(dev, "can't allocate DMA tag\n"); 31457828Sjlemon ida_free(ida); 31557828Sjlemon return (ENOMEM); 31657828Sjlemon } 31757828Sjlemon 31857828Sjlemon rid = 0; 31957828Sjlemon ida->irq_res_type = SYS_RES_IRQ; 320127135Snjl ida->irq = bus_alloc_resource_any(dev, ida->irq_res_type, &rid, 321127135Snjl RF_ACTIVE | RF_SHAREABLE); 32257828Sjlemon if (ida->irq == NULL) { 32357828Sjlemon ida_free(ida); 32457828Sjlemon return (ENOMEM); 32557828Sjlemon } 32657828Sjlemon 32773280Smarkm error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO | INTR_ENTROPY, 32857828Sjlemon ida_intr, ida, &ida->ih); 32957828Sjlemon if (error) { 33057828Sjlemon device_printf(dev, "can't setup interrupt\n"); 33157828Sjlemon ida_free(ida); 33257828Sjlemon return (ENOMEM); 33357828Sjlemon } 33457828Sjlemon 33557828Sjlemon error = ida_init(ida); 33657828Sjlemon if (error) { 33757828Sjlemon ida_free(ida); 33857828Sjlemon return (error); 33957828Sjlemon } 34057828Sjlemon 34157828Sjlemon ida_attach(ida); 34273113Sjlemon ida->flags |= IDA_ATTACHED; 34357828Sjlemon 34457828Sjlemon return (0); 34557828Sjlemon} 34657828Sjlemon 34757828SjlemonDRIVER_MODULE(ida, eisa, ida_eisa_driver, ida_devclass, 0, 0); 348