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.
135 lines
4.2 KiB
C
135 lines
4.2 KiB
C
/*-
|
|
* Copyright (c) 1998 - 2008 Søren Schmidt <sos@FreeBSD.org>
|
|
* 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,
|
|
* without modification, immediately at the beginning of the file.
|
|
* 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 ``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 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/module.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/ata.h>
|
|
#include <sys/bus.h>
|
|
#include <sys/endian.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/lock.h>
|
|
#include <sys/mutex.h>
|
|
#include <sys/sema.h>
|
|
#include <sys/taskqueue.h>
|
|
#include <vm/uma.h>
|
|
#include <machine/stdarg.h>
|
|
#include <machine/resource.h>
|
|
#include <machine/bus.h>
|
|
#include <sys/rman.h>
|
|
#include <dev/pci/pcivar.h>
|
|
#include <dev/pci/pcireg.h>
|
|
#include <dev/ata/ata-all.h>
|
|
#include <dev/ata/ata-pci.h>
|
|
#include <ata_if.h>
|
|
|
|
/* local prototypes */
|
|
static int ata_national_chipinit(device_t dev);
|
|
static int ata_national_ch_attach(device_t dev);
|
|
static int ata_national_setmode(device_t dev, int target, int mode);
|
|
|
|
/*
|
|
* National chipset support functions
|
|
*/
|
|
static int
|
|
ata_national_probe(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(dev);
|
|
|
|
/* this chip is a clone of the Cyrix chip, bugs and all */
|
|
if (pci_get_devid(dev) == ATA_SC1100) {
|
|
device_set_desc(dev, "National Geode SC1100 ATA33 controller");
|
|
ctlr->chipinit = ata_national_chipinit;
|
|
return (BUS_PROBE_DEFAULT);
|
|
}
|
|
return ENXIO;
|
|
}
|
|
|
|
static int
|
|
ata_national_chipinit(device_t dev)
|
|
{
|
|
struct ata_pci_controller *ctlr = device_get_softc(dev);
|
|
|
|
if (ata_setup_interrupt(dev, ata_generic_intr))
|
|
return ENXIO;
|
|
|
|
ctlr->ch_attach = ata_national_ch_attach;
|
|
ctlr->setmode = ata_national_setmode;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
ata_national_ch_attach(device_t dev)
|
|
{
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
|
|
ch->dma.alignment = 16;
|
|
ch->dma.max_iosize = 64 * DEV_BSIZE;
|
|
return (ata_pci_ch_attach(dev));
|
|
}
|
|
|
|
static int
|
|
ata_national_setmode(device_t dev, int target, int mode)
|
|
{
|
|
device_t parent = device_get_parent(dev);
|
|
struct ata_channel *ch = device_get_softc(dev);
|
|
int devno = (ch->unit << 1) + target;
|
|
int piomode;
|
|
static const uint32_t piotiming[] =
|
|
{ 0x9172d132, 0x21717121, 0x00803020, 0x20102010, 0x00100010,
|
|
0x9172d132, 0x20102010, 0x00100010 };
|
|
static const uint32_t dmatiming[] =
|
|
{ 0x80077771, 0x80012121, 0x80002020 };
|
|
static const uint32_t udmatiming[] =
|
|
{ 0x80921250, 0x80911140, 0x80911030 };
|
|
|
|
mode = min(mode, ATA_UDMA2);
|
|
|
|
if (mode >= ATA_UDMA0) {
|
|
pci_write_config(parent, 0x44 + (devno << 3),
|
|
udmatiming[mode & ATA_MODE_MASK], 4);
|
|
piomode = ATA_PIO4;
|
|
} else if (mode >= ATA_WDMA0) {
|
|
pci_write_config(parent, 0x44 + (devno << 3),
|
|
dmatiming[mode & ATA_MODE_MASK], 4);
|
|
piomode = mode;
|
|
} else {
|
|
pci_write_config(parent, 0x44 + (devno << 3),
|
|
pci_read_config(parent, 0x44 + (devno << 3), 4) |
|
|
0x80000000, 4);
|
|
piomode = mode;
|
|
}
|
|
pci_write_config(parent, 0x40 + (devno << 3),
|
|
piotiming[ata_mode2idx(piomode)], 4);
|
|
return (mode);
|
|
}
|
|
|
|
ATA_DECLARE_DRIVER(ata_national);
|