ida_eisa.c revision 73113
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 73113 2001-02-26 22:25:30Z jlemon $ 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> 3657828Sjlemon#include <sys/devicestat.h> 3757828Sjlemon#include <sys/disk.h> 3857828Sjlemon 3957828Sjlemon#include <machine/bus_pio.h> 4057828Sjlemon#include <machine/bus.h> 4157828Sjlemon#include <machine/resource.h> 4257828Sjlemon#include <sys/rman.h> 4357828Sjlemon 4457828Sjlemon#include <dev/ida/idavar.h> 4557828Sjlemon#include <dev/ida/idareg.h> 4657828Sjlemon 4757828Sjlemon#include <dev/eisa/eisaconf.h> 4857828Sjlemon 4957828Sjlemon#define IDA_EISA_IOPORT_START 0x0c88 5057828Sjlemon#define IDA_EISA_IOPORT_LEN 0x0017 5157828Sjlemon 5257828Sjlemon#define IDA_EISA_IRQ_REG 0x0cc0 5357828Sjlemon#define IDA_EISA_IRQ_MASK 0xf0 5457828Sjlemon#define IDA_EISA_IRQ_15 0x80 5557828Sjlemon#define IDA_EISA_IRQ_14 0x40 5657828Sjlemon#define IDA_EISA_IRQ_11 0x10 5757828Sjlemon#define IDA_EISA_IRQ_10 0x20 5857828Sjlemon 5957828Sjlemonstatic int 6057828Sjlemonida_v1_fifo_full(struct ida_softc *ida) 6157828Sjlemon{ 6257828Sjlemon u_int8_t status; 6357828Sjlemon 6457828Sjlemon status = ida_inb(ida, R_EISA_SYSTEM_DOORBELL); 6557828Sjlemon return ((status & EISA_CHANNEL_CLEAR) == 0); 6657828Sjlemon} 6757828Sjlemon 6857828Sjlemonstatic void 6957828Sjlemonida_v1_submit(struct ida_softc *ida, struct ida_qcb *qcb) 7057828Sjlemon{ 7157828Sjlemon u_int16_t size; 7257828Sjlemon 7357828Sjlemon /* 7457828Sjlemon * On these cards, this location is actually for control flags. 7557828Sjlemon * Set them to zero and pass in structure size via an I/O port. 7657828Sjlemon */ 7757828Sjlemon size = qcb->hwqcb->hdr.size << 2; 7857828Sjlemon qcb->hwqcb->hdr.size = 0; 7957828Sjlemon 8057828Sjlemon ida_outb(ida, R_EISA_SYSTEM_DOORBELL, EISA_CHANNEL_CLEAR); 8157828Sjlemon ida_outl(ida, R_EISA_LIST_ADDR, qcb->hwqcb_busaddr); 8257828Sjlemon ida_outw(ida, R_EISA_LIST_LEN, size); 8359209Smdodd ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_BUSY); 8457828Sjlemon} 8557828Sjlemon 8657828Sjlemonstatic bus_addr_t 8757828Sjlemonida_v1_done(struct ida_softc *ida) 8857828Sjlemon{ 8957828Sjlemon struct ida_hardware_qcb *hwqcb; 9057828Sjlemon bus_addr_t completed; 9157828Sjlemon u_int8_t status; 9257828Sjlemon 9357828Sjlemon if ((ida_inb(ida, R_EISA_SYSTEM_DOORBELL) & EISA_CHANNEL_BUSY) == 0) 9457828Sjlemon return (0); 9557828Sjlemon 9657828Sjlemon ida_outb(ida, R_EISA_SYSTEM_DOORBELL, EISA_CHANNEL_BUSY); 9757828Sjlemon completed = ida_inl(ida, R_EISA_COMPLETE_ADDR); 9857828Sjlemon status = ida_inb(ida, R_EISA_LIST_STATUS); 9957828Sjlemon ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_CLEAR); 10057828Sjlemon 10157828Sjlemon if (completed != 0) { 10257828Sjlemon hwqcb = (struct ida_hardware_qcb *) 10357828Sjlemon ((bus_addr_t)ida->hwqcbs + 10457828Sjlemon ((completed & ~3) - ida->hwqcb_busaddr)); 10557828Sjlemon hwqcb->req.error = status; 10657828Sjlemon } 10757828Sjlemon 10857828Sjlemon return (completed); 10957828Sjlemon} 11057828Sjlemon 11157828Sjlemonstatic int 11257828Sjlemonida_v1_int_pending(struct ida_softc *ida) 11357828Sjlemon{ 11457828Sjlemon return (ida_inb(ida, R_EISA_SYSTEM_DOORBELL) & EISA_CHANNEL_BUSY); 11557828Sjlemon} 11657828Sjlemon 11757828Sjlemonstatic void 11857828Sjlemonida_v1_int_enable(struct ida_softc *ida, int enable) 11957828Sjlemon{ 12057828Sjlemon if (enable) { 12157828Sjlemon ida_outb(ida, R_EISA_SYSTEM_DOORBELL, ~EISA_CHANNEL_CLEAR); 12257828Sjlemon ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_BUSY); 12357828Sjlemon ida_outb(ida, R_EISA_INT_MASK, INT_ENABLE); 12457828Sjlemon ida_outb(ida, R_EISA_SYSTEM_MASK, INT_ENABLE); 12573113Sjlemon ida->flags |= IDA_INTERRUPTS; 12657828Sjlemon } else { 12757828Sjlemon ida_outb(ida, R_EISA_SYSTEM_MASK, INT_DISABLE); 12873113Sjlemon ida->flags &= ~IDA_INTERRUPTS; 12957828Sjlemon } 13057828Sjlemon} 13157828Sjlemon 13257828Sjlemonstatic int 13357828Sjlemonida_v2_fifo_full(struct ida_softc *ida) 13457828Sjlemon{ 13557828Sjlemon return (ida_inl(ida, R_CMD_FIFO) == 0); 13657828Sjlemon} 13757828Sjlemon 13857828Sjlemonstatic void 13957828Sjlemonida_v2_submit(struct ida_softc *ida, struct ida_qcb *qcb) 14057828Sjlemon{ 14157828Sjlemon ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr); 14257828Sjlemon} 14357828Sjlemon 14457828Sjlemonstatic bus_addr_t 14557828Sjlemonida_v2_done(struct ida_softc *ida) 14657828Sjlemon{ 14757828Sjlemon return (ida_inl(ida, R_DONE_FIFO)); 14857828Sjlemon} 14957828Sjlemon 15057828Sjlemonstatic int 15157828Sjlemonida_v2_int_pending(struct ida_softc *ida) 15257828Sjlemon{ 15357828Sjlemon return (ida_inl(ida, R_INT_PENDING)); 15457828Sjlemon} 15557828Sjlemon 15657828Sjlemonstatic void 15757828Sjlemonida_v2_int_enable(struct ida_softc *ida, int enable) 15857828Sjlemon{ 15973113Sjlemon if (enable) 16073113Sjlemon ida->flags |= IDA_INTERRUPTS; 16173113Sjlemon else 16273113Sjlemon ida->flags &= ~IDA_INTERRUPTS; 16357828Sjlemon ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE); 16457828Sjlemon} 16557828Sjlemon 16657828Sjlemonstatic struct ida_access ida_v1_access = { 16757828Sjlemon ida_v1_fifo_full, 16857828Sjlemon ida_v1_submit, 16957828Sjlemon ida_v1_done, 17057828Sjlemon ida_v1_int_pending, 17157828Sjlemon ida_v1_int_enable, 17257828Sjlemon}; 17357828Sjlemon 17457828Sjlemonstatic struct ida_access ida_v2_access = { 17557828Sjlemon ida_v2_fifo_full, 17657828Sjlemon ida_v2_submit, 17757828Sjlemon ida_v2_done, 17857828Sjlemon ida_v2_int_pending, 17957828Sjlemon ida_v2_int_enable, 18057828Sjlemon}; 18157828Sjlemon 18257828Sjlemonstatic struct ida_board board_id[] = { 18370845Sjlemon { 0x0e114001, "Compaq IDA controller", 18470845Sjlemon &ida_v1_access, 0 }, 18570845Sjlemon { 0x0e114002, "Compaq IDA-2 controller", 18670845Sjlemon &ida_v1_access, 0 }, 18770845Sjlemon { 0x0e114010, "Compaq IAES controller", 18870845Sjlemon &ida_v1_access, 0 }, 18970845Sjlemon { 0x0e114020, "Compaq SMART array controller", 19070845Sjlemon &ida_v1_access, 0 }, 19170845Sjlemon { 0x0e114030, "Compaq SMART-2/E array controller", 19270845Sjlemon &ida_v2_access, 0 }, 19357828Sjlemon 19470845Sjlemon { 0, "", 0, 0 } 19557828Sjlemon}; 19657828Sjlemon 19757828Sjlemonstatic struct ida_board *ida_eisa_match(eisa_id_t); 19857828Sjlemonstatic int ida_eisa_probe(device_t); 19957828Sjlemonstatic int ida_eisa_attach(device_t); 20057828Sjlemon 20157828Sjlemonstatic device_method_t ida_eisa_methods[] = { 20257828Sjlemon DEVMETHOD(device_probe, ida_eisa_probe), 20357828Sjlemon DEVMETHOD(device_attach, ida_eisa_attach), 20457828Sjlemon DEVMETHOD(device_detach, ida_detach), 20557828Sjlemon 20657828Sjlemon { 0, 0 } 20757828Sjlemon}; 20857828Sjlemon 20957828Sjlemonstatic driver_t ida_eisa_driver = { 21057828Sjlemon "ida", 21157828Sjlemon ida_eisa_methods, 21257828Sjlemon sizeof(struct ida_softc) 21357828Sjlemon}; 21457828Sjlemon 21557828Sjlemonstatic devclass_t ida_devclass; 21657828Sjlemon 21757828Sjlemonstatic struct ida_board * 21857828Sjlemonida_eisa_match(eisa_id_t id) 21957828Sjlemon{ 22057828Sjlemon int i; 22157828Sjlemon 22257828Sjlemon for (i = 0; board_id[i].board; i++) 22357828Sjlemon if (board_id[i].board == id) 22457828Sjlemon return (&board_id[i]); 22557828Sjlemon return (NULL); 22657828Sjlemon} 22757828Sjlemon 22857828Sjlemonstatic int 22957828Sjlemonida_eisa_probe(device_t dev) 23057828Sjlemon{ 23157828Sjlemon struct ida_board *board; 23257828Sjlemon u_int32_t io_base; 23357828Sjlemon u_int irq = 0; 23457828Sjlemon 23557828Sjlemon board = ida_eisa_match(eisa_get_id(dev)); 23657828Sjlemon if (board == NULL) 23757828Sjlemon return (ENXIO); 23857828Sjlemon device_set_desc(dev, board->desc); 23957828Sjlemon 24057828Sjlemon io_base = (eisa_get_slot(dev) * EISA_SLOT_SIZE); 24157828Sjlemon 24257828Sjlemon switch (IDA_EISA_IRQ_MASK & (inb(IDA_EISA_IRQ_REG + io_base))) { 24357828Sjlemon case IDA_EISA_IRQ_15: 24457828Sjlemon irq = 15; 24557828Sjlemon break; 24657828Sjlemon case IDA_EISA_IRQ_14: 24757828Sjlemon irq = 14; 24857828Sjlemon break; 24957828Sjlemon case IDA_EISA_IRQ_11: 25057828Sjlemon irq = 11; 25157828Sjlemon break; 25257828Sjlemon case IDA_EISA_IRQ_10: 25357828Sjlemon irq = 10; 25457828Sjlemon break; 25557828Sjlemon default: 25657828Sjlemon device_printf(dev, "slot %d, illegal irq setting.\n", 25757828Sjlemon eisa_get_slot(dev)); 25857828Sjlemon return (ENXIO); 25957828Sjlemon } 26057828Sjlemon 26157828Sjlemon eisa_add_iospace(dev, (io_base + IDA_EISA_IOPORT_START), 26257828Sjlemon IDA_EISA_IOPORT_LEN, RESVADDR_NONE); 26357828Sjlemon 26457828Sjlemon eisa_add_intr(dev, irq, EISA_TRIGGER_LEVEL); /* XXX ??? */ 26557828Sjlemon 26657828Sjlemon return (0); 26757828Sjlemon} 26857828Sjlemon 26957828Sjlemonstatic int 27057828Sjlemonida_eisa_attach(device_t dev) 27157828Sjlemon{ 27257828Sjlemon struct ida_softc *ida; 27357828Sjlemon struct ida_board *board; 27457828Sjlemon int error; 27557828Sjlemon int rid; 27657828Sjlemon 27757828Sjlemon ida = device_get_softc(dev); 27857828Sjlemon ida->dev = dev; 27957828Sjlemon 28057828Sjlemon board = ida_eisa_match(eisa_get_id(dev)); 28157828Sjlemon ida->cmd = *board->accessor; 28270845Sjlemon ida->flags = board->flags; 28357828Sjlemon 28457828Sjlemon ida->regs_res_type = SYS_RES_IOPORT; 28557828Sjlemon ida->regs_res_id = 0; 28657828Sjlemon ida->regs = bus_alloc_resource(dev, ida->regs_res_type, 28757828Sjlemon &ida->regs_res_id, 0, ~0, 1, RF_ACTIVE); 28857828Sjlemon if (ida->regs == NULL) { 28957828Sjlemon device_printf(dev, "can't allocate register resources\n"); 29057828Sjlemon return (ENOMEM); 29157828Sjlemon } 29257828Sjlemon 29357828Sjlemon error = bus_dma_tag_create( 29457828Sjlemon /* parent */ NULL, 29557828Sjlemon /* alignment */ 0, 29657828Sjlemon /* boundary */ 0, 29757828Sjlemon /* lowaddr */ BUS_SPACE_MAXADDR_32BIT, 29857828Sjlemon /* highaddr */ BUS_SPACE_MAXADDR, 29957828Sjlemon /* filter */ NULL, 30057828Sjlemon /* filterarg */ NULL, 30157828Sjlemon /* maxsize */ MAXBSIZE, 30257828Sjlemon /* nsegments */ IDA_NSEG, 30357828Sjlemon /* maxsegsize */ BUS_SPACE_MAXSIZE_32BIT, 30457828Sjlemon /* flags */ BUS_DMA_ALLOCNOW, 30557828Sjlemon &ida->parent_dmat); 30657828Sjlemon 30757828Sjlemon if (error != 0) { 30857828Sjlemon device_printf(dev, "can't allocate DMA tag\n"); 30957828Sjlemon ida_free(ida); 31057828Sjlemon return (ENOMEM); 31157828Sjlemon } 31257828Sjlemon 31357828Sjlemon rid = 0; 31457828Sjlemon ida->irq_res_type = SYS_RES_IRQ; 31557828Sjlemon ida->irq = bus_alloc_resource(dev, ida->irq_res_type, &rid, 31657828Sjlemon 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); 31757828Sjlemon if (ida->irq == NULL) { 31857828Sjlemon ida_free(ida); 31957828Sjlemon return (ENOMEM); 32057828Sjlemon } 32157828Sjlemon 32257828Sjlemon error = bus_setup_intr(dev, ida->irq, INTR_TYPE_BIO, 32357828Sjlemon ida_intr, ida, &ida->ih); 32457828Sjlemon if (error) { 32557828Sjlemon device_printf(dev, "can't setup interrupt\n"); 32657828Sjlemon ida_free(ida); 32757828Sjlemon return (ENOMEM); 32857828Sjlemon } 32957828Sjlemon 33057828Sjlemon error = ida_init(ida); 33157828Sjlemon if (error) { 33257828Sjlemon ida_free(ida); 33357828Sjlemon return (error); 33457828Sjlemon } 33557828Sjlemon 33657828Sjlemon ida_attach(ida); 33773113Sjlemon ida->flags |= IDA_ATTACHED; 33857828Sjlemon 33957828Sjlemon return (0); 34057828Sjlemon} 34157828Sjlemon 34257828SjlemonDRIVER_MODULE(ida, eisa, ida_eisa_driver, ida_devclass, 0, 0); 343