ida_eisa.c revision 117126
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 * $FreeBSD: head/sys/dev/ida/ida_eisa.c 117126 2003-07-01 15:52:06Z scottl $ 2857828Sjlemon */ 2957828Sjlemon 3057828Sjlemon#include <sys/param.h> 3157828Sjlemon#include <sys/systm.h> 3257828Sjlemon#include <sys/kernel.h> 3357828Sjlemon#include <sys/bus.h> 3457828Sjlemon 3560041Sphk#include <sys/bio.h> 36111337Sphk#include <sys/conf.h> 3757828Sjlemon 3857828Sjlemon#include <machine/bus_pio.h> 3957828Sjlemon#include <machine/bus.h> 4057828Sjlemon#include <machine/resource.h> 4157828Sjlemon#include <sys/rman.h> 4257828Sjlemon 43112946Sphk#include <geom/geom_disk.h> 44112946Sphk 4557828Sjlemon#include <dev/ida/idavar.h> 4657828Sjlemon#include <dev/ida/idareg.h> 4757828Sjlemon 4857828Sjlemon#include <dev/eisa/eisaconf.h> 4957828Sjlemon 5057828Sjlemon#define IDA_EISA_IOPORT_START 0x0c88 5157828Sjlemon#define IDA_EISA_IOPORT_LEN 0x0017 5257828Sjlemon 5357828Sjlemon#define IDA_EISA_IRQ_REG 0x0cc0 5457828Sjlemon#define IDA_EISA_IRQ_MASK 0xf0 5557828Sjlemon#define IDA_EISA_IRQ_15 0x80 5657828Sjlemon#define IDA_EISA_IRQ_14 0x40 5757828Sjlemon#define IDA_EISA_IRQ_11 0x10 5857828Sjlemon#define IDA_EISA_IRQ_10 0x20 5957828Sjlemon 6057828Sjlemonstatic int 6157828Sjlemonida_v1_fifo_full(struct ida_softc *ida) 6257828Sjlemon{ 6357828Sjlemon u_int8_t status; 6457828Sjlemon 6557828Sjlemon status = ida_inb(ida, R_EISA_SYSTEM_DOORBELL); 6657828Sjlemon return ((status & EISA_CHANNEL_CLEAR) == 0); 6757828Sjlemon} 6857828Sjlemon 6957828Sjlemonstatic void 7057828Sjlemonida_v1_submit(struct ida_softc *ida, struct ida_qcb *qcb) 7157828Sjlemon{ 7257828Sjlemon u_int16_t size; 7357828Sjlemon 7457828Sjlemon /* 7557828Sjlemon * On these cards, this location is actually for control flags. 7657828Sjlemon * Set them to zero and pass in structure size via an I/O port. 7757828Sjlemon */ 7857828Sjlemon size = qcb->hwqcb->hdr.size << 2; 7957828Sjlemon qcb->hwqcb->hdr.size = 0; 8057828Sjlemon 8157828Sjlemon ida_outb(ida, R_EISA_SYSTEM_DOORBELL, EISA_CHANNEL_CLEAR); 8257828Sjlemon ida_outl(ida, R_EISA_LIST_ADDR, qcb->hwqcb_busaddr); 8357828Sjlemon ida_outw(ida, R_EISA_LIST_LEN, size); 8459209Smdodd ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_BUSY); 8557828Sjlemon} 8657828Sjlemon 8757828Sjlemonstatic bus_addr_t 8857828Sjlemonida_v1_done(struct ida_softc *ida) 8957828Sjlemon{ 9057828Sjlemon struct ida_hardware_qcb *hwqcb; 9157828Sjlemon bus_addr_t completed; 9257828Sjlemon u_int8_t status; 9357828Sjlemon 9457828Sjlemon if ((ida_inb(ida, R_EISA_SYSTEM_DOORBELL) & EISA_CHANNEL_BUSY) == 0) 9557828Sjlemon return (0); 9657828Sjlemon 9757828Sjlemon ida_outb(ida, R_EISA_SYSTEM_DOORBELL, EISA_CHANNEL_BUSY); 9857828Sjlemon completed = ida_inl(ida, R_EISA_COMPLETE_ADDR); 9957828Sjlemon status = ida_inb(ida, R_EISA_LIST_STATUS); 10057828Sjlemon ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_CLEAR); 10157828Sjlemon 10257828Sjlemon if (completed != 0) { 10357828Sjlemon hwqcb = (struct ida_hardware_qcb *) 10457828Sjlemon ((bus_addr_t)ida->hwqcbs + 10557828Sjlemon ((completed & ~3) - ida->hwqcb_busaddr)); 10657828Sjlemon hwqcb->req.error = status; 10757828Sjlemon } 10857828Sjlemon 10957828Sjlemon return (completed); 11057828Sjlemon} 11157828Sjlemon 11257828Sjlemonstatic int 11357828Sjlemonida_v1_int_pending(struct ida_softc *ida) 11457828Sjlemon{ 11557828Sjlemon return (ida_inb(ida, R_EISA_SYSTEM_DOORBELL) & EISA_CHANNEL_BUSY); 11657828Sjlemon} 11757828Sjlemon 11857828Sjlemonstatic void 11957828Sjlemonida_v1_int_enable(struct ida_softc *ida, int enable) 12057828Sjlemon{ 12157828Sjlemon if (enable) { 12257828Sjlemon ida_outb(ida, R_EISA_SYSTEM_DOORBELL, ~EISA_CHANNEL_CLEAR); 12357828Sjlemon ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_BUSY); 12457828Sjlemon ida_outb(ida, R_EISA_INT_MASK, INT_ENABLE); 12557828Sjlemon ida_outb(ida, R_EISA_SYSTEM_MASK, INT_ENABLE); 12673113Sjlemon ida->flags |= IDA_INTERRUPTS; 12757828Sjlemon } else { 12857828Sjlemon ida_outb(ida, R_EISA_SYSTEM_MASK, INT_DISABLE); 12973113Sjlemon ida->flags &= ~IDA_INTERRUPTS; 13057828Sjlemon } 13157828Sjlemon} 13257828Sjlemon 13357828Sjlemonstatic int 13457828Sjlemonida_v2_fifo_full(struct ida_softc *ida) 13557828Sjlemon{ 13657828Sjlemon return (ida_inl(ida, R_CMD_FIFO) == 0); 13757828Sjlemon} 13857828Sjlemon 13957828Sjlemonstatic void 14057828Sjlemonida_v2_submit(struct ida_softc *ida, struct ida_qcb *qcb) 14157828Sjlemon{ 14257828Sjlemon ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr); 14357828Sjlemon} 14457828Sjlemon 14557828Sjlemonstatic bus_addr_t 14657828Sjlemonida_v2_done(struct ida_softc *ida) 14757828Sjlemon{ 14857828Sjlemon return (ida_inl(ida, R_DONE_FIFO)); 14957828Sjlemon} 15057828Sjlemon 15157828Sjlemonstatic int 15257828Sjlemonida_v2_int_pending(struct ida_softc *ida) 15357828Sjlemon{ 15457828Sjlemon return (ida_inl(ida, R_INT_PENDING)); 15557828Sjlemon} 15657828Sjlemon 15757828Sjlemonstatic void 15857828Sjlemonida_v2_int_enable(struct ida_softc *ida, int enable) 15957828Sjlemon{ 16073113Sjlemon if (enable) 16173113Sjlemon ida->flags |= IDA_INTERRUPTS; 16273113Sjlemon else 16373113Sjlemon ida->flags &= ~IDA_INTERRUPTS; 16457828Sjlemon ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE); 16557828Sjlemon} 16657828Sjlemon 16757828Sjlemonstatic struct ida_access ida_v1_access = { 16857828Sjlemon ida_v1_fifo_full, 16957828Sjlemon ida_v1_submit, 17057828Sjlemon ida_v1_done, 17157828Sjlemon ida_v1_int_pending, 17257828Sjlemon ida_v1_int_enable, 17357828Sjlemon}; 17457828Sjlemon 17557828Sjlemonstatic struct ida_access ida_v2_access = { 17657828Sjlemon ida_v2_fifo_full, 17757828Sjlemon ida_v2_submit, 17857828Sjlemon ida_v2_done, 17957828Sjlemon ida_v2_int_pending, 18057828Sjlemon ida_v2_int_enable, 18157828Sjlemon}; 18257828Sjlemon 18357828Sjlemonstatic struct ida_board board_id[] = { 18470845Sjlemon { 0x0e114001, "Compaq IDA controller", 18570845Sjlemon &ida_v1_access, 0 }, 18670845Sjlemon { 0x0e114002, "Compaq IDA-2 controller", 18770845Sjlemon &ida_v1_access, 0 }, 18870845Sjlemon { 0x0e114010, "Compaq IAES controller", 18970845Sjlemon &ida_v1_access, 0 }, 19070845Sjlemon { 0x0e114020, "Compaq SMART array controller", 19170845Sjlemon &ida_v1_access, 0 }, 19270845Sjlemon { 0x0e114030, "Compaq SMART-2/E array controller", 19370845Sjlemon &ida_v2_access, 0 }, 19457828Sjlemon 19570845Sjlemon { 0, "", 0, 0 } 19657828Sjlemon}; 19757828Sjlemon 19857828Sjlemonstatic struct ida_board *ida_eisa_match(eisa_id_t); 19957828Sjlemonstatic int ida_eisa_probe(device_t); 20057828Sjlemonstatic int ida_eisa_attach(device_t); 20157828Sjlemon 20257828Sjlemonstatic device_method_t ida_eisa_methods[] = { 20357828Sjlemon DEVMETHOD(device_probe, ida_eisa_probe), 20457828Sjlemon DEVMETHOD(device_attach, ida_eisa_attach), 20557828Sjlemon DEVMETHOD(device_detach, ida_detach), 20657828Sjlemon 20757828Sjlemon { 0, 0 } 20857828Sjlemon}; 20957828Sjlemon 21057828Sjlemonstatic driver_t ida_eisa_driver = { 21157828Sjlemon "ida", 21257828Sjlemon ida_eisa_methods, 21357828Sjlemon sizeof(struct ida_softc) 21457828Sjlemon}; 21557828Sjlemon 21657828Sjlemonstatic devclass_t ida_devclass; 21757828Sjlemon 21857828Sjlemonstatic struct ida_board * 21957828Sjlemonida_eisa_match(eisa_id_t id) 22057828Sjlemon{ 22157828Sjlemon int i; 22257828Sjlemon 22357828Sjlemon for (i = 0; board_id[i].board; i++) 22457828Sjlemon if (board_id[i].board == id) 22557828Sjlemon return (&board_id[i]); 22657828Sjlemon return (NULL); 22757828Sjlemon} 22857828Sjlemon 22957828Sjlemonstatic int 23057828Sjlemonida_eisa_probe(device_t dev) 23157828Sjlemon{ 23257828Sjlemon struct ida_board *board; 23357828Sjlemon u_int32_t io_base; 23457828Sjlemon u_int irq = 0; 23557828Sjlemon 23657828Sjlemon board = ida_eisa_match(eisa_get_id(dev)); 23757828Sjlemon if (board == NULL) 23857828Sjlemon return (ENXIO); 23957828Sjlemon device_set_desc(dev, board->desc); 24057828Sjlemon 24157828Sjlemon io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE); 24257828Sjlemon 24357828Sjlemon switch (IDA_EISA_IRQ_MASK & (inb(IDA_EISA_IRQ_REG + io_base))) { 24457828Sjlemon case IDA_EISA_IRQ_15: 24557828Sjlemon irq = 15; 24657828Sjlemon break; 24757828Sjlemon case IDA_EISA_IRQ_14: 24857828Sjlemon irq = 14; 24957828Sjlemon break; 25057828Sjlemon case IDA_EISA_IRQ_11: 25157828Sjlemon irq = 11; 25257828Sjlemon break; 25357828Sjlemon case IDA_EISA_IRQ_10: 25457828Sjlemon irq = 10; 25557828Sjlemon break; 25657828Sjlemon default: 25757828Sjlemon device_printf(dev, "slot %d, illegal irq setting.\n", 25857828Sjlemon eisa_get_slot(dev)); 25957828Sjlemon return (ENXIO); 26057828Sjlemon } 26157828Sjlemon 26257828Sjlemon eisa_add_iospace(dev, (io_base + IDA_EISA_IOPORT_START), 26357828Sjlemon IDA_EISA_IOPORT_LEN, RESVADDR_NONE); 26457828Sjlemon 26557828Sjlemon eisa_add_intr(dev, irq, EISA_TRIGGER_LEVEL); /* XXX ??? */ 26657828Sjlemon 26757828Sjlemon return (0); 26857828Sjlemon} 26957828Sjlemon 27057828Sjlemonstatic int 27157828Sjlemonida_eisa_attach(device_t dev) 27257828Sjlemon{ 27357828Sjlemon struct ida_softc *ida; 27457828Sjlemon struct ida_board *board; 27557828Sjlemon int error; 27657828Sjlemon int rid; 27757828Sjlemon 27857828Sjlemon ida = device_get_softc(dev); 27957828Sjlemon ida->dev = dev; 28057828Sjlemon 28157828Sjlemon board = ida_eisa_match(eisa_get_id(dev)); 28257828Sjlemon ida->cmd = *board->accessor; 28370845Sjlemon ida->flags = board->flags; 28457828Sjlemon 28557828Sjlemon ida->regs_res_type = SYS_RES_IOPORT; 28657828Sjlemon ida->regs_res_id = 0; 28757828Sjlemon ida->regs = bus_alloc_resource(dev, ida->regs_res_type, 28857828Sjlemon &ida->regs_res_id, 0, ~0, 1, RF_ACTIVE); 28957828Sjlemon if (ida->regs == NULL) { 29057828Sjlemon device_printf(dev, "can't allocate register resources\n"); 29157828Sjlemon return (ENOMEM); 29257828Sjlemon } 29357828Sjlemon 29457828Sjlemon error = bus_dma_tag_create( 29557828Sjlemon /* parent */ NULL, 29657828Sjlemon /* alignment */ 0, 29757828Sjlemon /* boundary */ 0, 29857828Sjlemon /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 29957828Sjlemon /* highaddr */ BUS_SPACE_MAXADDR, 30057828Sjlemon /* filter */ NULL, 30157828Sjlemon /* filterarg */ NULL, 30257828Sjlemon /* maxsize */ MAXBSIZE, 30357828Sjlemon /* nsegments */ IDA_NSEG, 30457828Sjlemon /* maxsegsize */ BUS_SPACE_MAXSIZE_32BIT, 30557828Sjlemon /* flags */ BUS_DMA_ALLOCNOW, 306117126Sscottl /* lockfunc */ NULL, 307117126Sscottl /* lockarg */ NULL, 30857828Sjlemon &ida->parent_dmat); 30957828Sjlemon 31057828Sjlemon if (error != 0) { 31157828Sjlemon device_printf(dev, "can't allocate DMA tag\n"); 31257828Sjlemon ida_free(ida); 31357828Sjlemon return (ENOMEM); 31457828Sjlemon } 31557828Sjlemon 31657828Sjlemon rid = 0; 31757828Sjlemon ida->irq_res_type = SYS_RES_IRQ; 31857828Sjlemon ida->irq = bus_alloc_resource(dev, ida->irq_res_type, &rid, 31957828Sjlemon 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); 32057828Sjlemon if (ida->irq == NULL) { 32157828Sjlemon ida_free(ida); 32257828Sjlemon return (ENOMEM); 32357828Sjlemon } 32457828Sjlemon 32573280Smarkm error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO | INTR_ENTROPY, 32657828Sjlemon ida_intr, ida, &ida->ih); 32757828Sjlemon if (error) { 32857828Sjlemon device_printf(dev, "can't setup interrupt\n"); 32957828Sjlemon ida_free(ida); 33057828Sjlemon return (ENOMEM); 33157828Sjlemon } 33257828Sjlemon 33357828Sjlemon error = ida_init(ida); 33457828Sjlemon if (error) { 33557828Sjlemon ida_free(ida); 33657828Sjlemon return (error); 33757828Sjlemon } 33857828Sjlemon 33957828Sjlemon ida_attach(ida); 34073113Sjlemon ida->flags |= IDA_ATTACHED; 34157828Sjlemon 34257828Sjlemon return (0); 34357828Sjlemon} 34457828Sjlemon 34557828SjlemonDRIVER_MODULE(ida, eisa, ida_eisa_driver, ida_devclass, 0, 0); 346