d2ce15bd43
option left but actually consumed by ada(4), so move it to opt_ada.h and get rid of opt_ata.h. - Fix stand-alone build of atacore(4) by adding opt_cam.h. - Use __FBSDID. - Use DEVMETHOD_END. - Use NULL instead of 0 for pointers.
226 lines
7.8 KiB
C
226 lines
7.8 KiB
C
/*-
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* Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/module.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/ata.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/malloc.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/sema.h>
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#include <sys/taskqueue.h>
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#include <vm/uma.h>
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#include <machine/stdarg.h>
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#include <machine/resource.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/ata/ata-all.h>
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#include <dev/ata/ata-pci.h>
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#include <ata_if.h>
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/* local prototypes */
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static int ata_highpoint_chipinit(device_t dev);
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static int ata_highpoint_ch_attach(device_t dev);
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static int ata_highpoint_setmode(device_t dev, int target, int mode);
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static int ata_highpoint_check_80pin(device_t dev, int mode);
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/* misc defines */
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#define HPT_366 0
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#define HPT_370 1
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#define HPT_372 2
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#define HPT_374 3
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#define HPT_OLD 1
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/*
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* HighPoint chipset support functions
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*/
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static int
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ata_highpoint_probe(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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const struct ata_chip_id *idx;
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static const struct ata_chip_id ids[] =
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{{ ATA_HPT374, 0x07, HPT_374, 0, ATA_UDMA6, "HPT374" },
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{ ATA_HPT372, 0x02, HPT_372, 0, ATA_UDMA6, "HPT372N" },
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{ ATA_HPT372, 0x01, HPT_372, 0, ATA_UDMA6, "HPT372" },
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{ ATA_HPT371, 0x01, HPT_372, 0, ATA_UDMA6, "HPT371" },
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{ ATA_HPT366, 0x05, HPT_372, 0, ATA_UDMA6, "HPT372" },
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{ ATA_HPT366, 0x03, HPT_370, 0, ATA_UDMA5, "HPT370" },
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{ ATA_HPT366, 0x02, HPT_366, 0, ATA_UDMA4, "HPT368" },
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{ ATA_HPT366, 0x00, HPT_366, HPT_OLD, ATA_UDMA4, "HPT366" },
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{ ATA_HPT302, 0x01, HPT_372, 0, ATA_UDMA6, "HPT302" },
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{ 0, 0, 0, 0, 0, 0}};
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char buffer[64];
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if (pci_get_vendor(dev) != ATA_HIGHPOINT_ID)
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return ENXIO;
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if (!(idx = ata_match_chip(dev, ids)))
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return ENXIO;
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strcpy(buffer, "HighPoint ");
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strcat(buffer, idx->text);
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if (idx->cfg1 == HPT_374) {
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if (pci_get_function(dev) == 0)
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strcat(buffer, " (channel 0+1)");
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if (pci_get_function(dev) == 1)
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strcat(buffer, " (channel 2+3)");
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}
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sprintf(buffer, "%s %s controller", buffer, ata_mode2str(idx->max_dma));
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device_set_desc_copy(dev, buffer);
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ctlr->chip = idx;
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ctlr->chipinit = ata_highpoint_chipinit;
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return (BUS_PROBE_DEFAULT);
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}
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static int
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ata_highpoint_chipinit(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(dev);
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if (ata_setup_interrupt(dev, ata_generic_intr))
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return ENXIO;
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if (ctlr->chip->cfg2 == HPT_OLD) {
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/* disable interrupt prediction */
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pci_write_config(dev, 0x51, (pci_read_config(dev, 0x51, 1) & ~0x80), 1);
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}
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else {
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/* disable interrupt prediction */
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pci_write_config(dev, 0x51, (pci_read_config(dev, 0x51, 1) & ~0x03), 1);
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pci_write_config(dev, 0x55, (pci_read_config(dev, 0x55, 1) & ~0x03), 1);
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/* enable interrupts */
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pci_write_config(dev, 0x5a, (pci_read_config(dev, 0x5a, 1) & ~0x10), 1);
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/* set clocks etc */
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if (ctlr->chip->cfg1 < HPT_372)
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pci_write_config(dev, 0x5b, 0x22, 1);
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else
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pci_write_config(dev, 0x5b,
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(pci_read_config(dev, 0x5b, 1) & 0x01) | 0x20, 1);
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}
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ctlr->ch_attach = ata_highpoint_ch_attach;
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ctlr->ch_detach = ata_pci_ch_detach;
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ctlr->setmode = ata_highpoint_setmode;
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return 0;
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}
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static int
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ata_highpoint_ch_attach(device_t dev)
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{
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struct ata_pci_controller *ctlr = device_get_softc(device_get_parent(dev));
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struct ata_channel *ch = device_get_softc(dev);
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/* setup the usual register normal pci style */
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if (ata_pci_ch_attach(dev))
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return (ENXIO);
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ch->flags |= ATA_ALWAYS_DMASTAT;
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ch->flags |= ATA_CHECKS_CABLE;
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if (ctlr->chip->cfg1 == HPT_366)
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ch->flags |= ATA_NO_ATAPI_DMA;
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return (0);
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}
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static int
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ata_highpoint_setmode(device_t dev, int target, int mode)
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{
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device_t parent = device_get_parent(dev);
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struct ata_pci_controller *ctlr = device_get_softc(parent);
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struct ata_channel *ch = device_get_softc(dev);
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int devno = (ch->unit << 1) + target;
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static const uint32_t timings33[][4] = {
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/* HPT366 HPT370 HPT372 HPT374 mode */
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{ 0x40d0a7aa, 0x06914e57, 0x0d029d5e, 0x0ac1f48a }, /* PIO 0 */
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{ 0x40d0a7a3, 0x06914e43, 0x0d029d26, 0x0ac1f465 }, /* PIO 1 */
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{ 0x40d0a753, 0x06514e33, 0x0c829ca6, 0x0a81f454 }, /* PIO 2 */
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{ 0x40c8a742, 0x06514e22, 0x0c829c84, 0x0a81f443 }, /* PIO 3 */
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{ 0x40c8a731, 0x06514e21, 0x0c829c62, 0x0a81f442 }, /* PIO 4 */
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{ 0x20c8a797, 0x26514e97, 0x2c82922e, 0x228082ea }, /* MWDMA 0 */
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{ 0x20c8a732, 0x26514e33, 0x2c829266, 0x22808254 }, /* MWDMA 1 */
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{ 0x20c8a731, 0x26514e21, 0x2c829262, 0x22808242 }, /* MWDMA 2 */
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{ 0x10c8a731, 0x16514e31, 0x1c829c62, 0x121882ea }, /* UDMA 0 */
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{ 0x10cba731, 0x164d4e31, 0x1c9a9c62, 0x12148254 }, /* UDMA 1 */
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{ 0x10caa731, 0x16494e31, 0x1c929c62, 0x120c8242 }, /* UDMA 2 */
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{ 0x10cfa731, 0x166d4e31, 0x1c8e9c62, 0x128c8242 }, /* UDMA 3 */
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{ 0x10c9a731, 0x16454e31, 0x1c8a9c62, 0x12ac8242 }, /* UDMA 4 */
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{ 0, 0x16454e31, 0x1c8a9c62, 0x12848242 }, /* UDMA 5 */
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{ 0, 0, 0x1c869c62, 0x12808242 } /* UDMA 6 */
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};
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mode = min(mode, ctlr->chip->max_dma);
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mode = ata_highpoint_check_80pin(dev, mode);
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/*
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* most if not all HPT chips cant really handle that the device is
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* running at ATA_UDMA6/ATA133 speed, so we cheat at set the device to
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* a max of ATA_UDMA5/ATA100 to guard against suboptimal performance
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*/
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mode = min(mode, ATA_UDMA5);
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pci_write_config(parent, 0x40 + (devno << 2),
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timings33[ata_mode2idx(mode)][ctlr->chip->cfg1], 4);
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return (mode);
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}
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static int
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ata_highpoint_check_80pin(device_t dev, int mode)
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{
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device_t parent = device_get_parent(dev);
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struct ata_pci_controller *ctlr = device_get_softc(parent);
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struct ata_channel *ch = device_get_softc(dev);
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u_int8_t reg, val, res;
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if (ctlr->chip->cfg1 == HPT_374 && pci_get_function(parent) == 1) {
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reg = ch->unit ? 0x57 : 0x53;
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val = pci_read_config(parent, reg, 1);
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pci_write_config(parent, reg, val | 0x80, 1);
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}
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else {
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reg = 0x5b;
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val = pci_read_config(parent, reg, 1);
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pci_write_config(parent, reg, val & 0xfe, 1);
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}
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res = pci_read_config(parent, 0x5a, 1) & (ch->unit ? 0x1:0x2);
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pci_write_config(parent, reg, val, 1);
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if (ata_dma_check_80pin && mode > ATA_UDMA2 && res) {
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ata_print_cable(dev, "controller");
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mode = ATA_UDMA2;
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}
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return mode;
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}
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ATA_DECLARE_DRIVER(ata_highpoint);
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