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/*-
* 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 "opt_ata.h"
#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_highpoint_chipinit(device_t dev);
static int ata_highpoint_ch_attach(device_t dev);
static void ata_highpoint_setmode(device_t dev, int mode);
static int ata_highpoint_check_80pin(device_t dev, int mode);
/* misc defines */
#define HPT_366 0
#define HPT_370 1
#define HPT_372 2
#define HPT_374 3
#define HPT_OLD 1
/*
* HighPoint chipset support functions
*/
static int
ata_highpoint_probe(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(dev);
struct ata_chip_id *idx;
static struct ata_chip_id ids[] =
{{ ATA_HPT374, 0x07, HPT_374, 0, ATA_UDMA6, "HPT374" },
{ ATA_HPT372, 0x02, HPT_372, 0, ATA_UDMA6, "HPT372N" },
{ ATA_HPT372, 0x01, HPT_372, 0, ATA_UDMA6, "HPT372" },
{ ATA_HPT371, 0x01, HPT_372, 0, ATA_UDMA6, "HPT371" },
{ ATA_HPT366, 0x05, HPT_372, 0, ATA_UDMA6, "HPT372" },
{ ATA_HPT366, 0x03, HPT_370, 0, ATA_UDMA5, "HPT370" },
{ ATA_HPT366, 0x02, HPT_366, 0, ATA_UDMA4, "HPT368" },
{ ATA_HPT366, 0x00, HPT_366, HPT_OLD, ATA_UDMA4, "HPT366" },
{ ATA_HPT302, 0x01, HPT_372, 0, ATA_UDMA6, "HPT302" },
{ 0, 0, 0, 0, 0, 0}};
char buffer[64];
if (pci_get_vendor(dev) != ATA_HIGHPOINT_ID)
return ENXIO;
if (!(idx = ata_match_chip(dev, ids)))
return ENXIO;
strcpy(buffer, "HighPoint ");
strcat(buffer, idx->text);
if (idx->cfg1 == HPT_374) {
if (pci_get_function(dev) == 0)
strcat(buffer, " (channel 0+1)");
if (pci_get_function(dev) == 1)
strcat(buffer, " (channel 2+3)");
}
sprintf(buffer, "%s %s controller", buffer, ata_mode2str(idx->max_dma));
device_set_desc_copy(dev, buffer);
ctlr->chip = idx;
ctlr->chipinit = ata_highpoint_chipinit;
return 0;
}
static int
ata_highpoint_chipinit(device_t dev)
{
struct ata_pci_controller *ctlr = device_get_softc(dev);
if (ata_setup_interrupt(dev, ata_generic_intr))
return ENXIO;
if (ctlr->chip->cfg2 == HPT_OLD) {
/* disable interrupt prediction */
pci_write_config(dev, 0x51, (pci_read_config(dev, 0x51, 1) & ~0x80), 1);
}
else {
/* disable interrupt prediction */
pci_write_config(dev, 0x51, (pci_read_config(dev, 0x51, 1) & ~0x03), 1);
pci_write_config(dev, 0x55, (pci_read_config(dev, 0x55, 1) & ~0x03), 1);
/* enable interrupts */
pci_write_config(dev, 0x5a, (pci_read_config(dev, 0x5a, 1) & ~0x10), 1);
/* set clocks etc */
if (ctlr->chip->cfg1 < HPT_372)
pci_write_config(dev, 0x5b, 0x22, 1);
else
pci_write_config(dev, 0x5b,
(pci_read_config(dev, 0x5b, 1) & 0x01) | 0x20, 1);
}
ctlr->ch_attach = ata_highpoint_ch_attach;
ctlr->setmode = ata_highpoint_setmode;
return 0;
}
static int
ata_highpoint_ch_attach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
/* setup the usual register normal pci style */
if (ata_pci_ch_attach(dev))
return ENXIO;
ch->flags |= ATA_ALWAYS_DMASTAT;
return 0;
}
static void
ata_highpoint_setmode(device_t dev, int mode)
{
device_t gparent = GRANDPARENT(dev);
struct ata_pci_controller *ctlr = device_get_softc(gparent);
struct ata_channel *ch = device_get_softc(device_get_parent(dev));
struct ata_device *atadev = device_get_softc(dev);
int devno = (ch->unit << 1) + atadev->unit;
int error;
u_int32_t timings33[][4] = {
/* HPT366 HPT370 HPT372 HPT374 mode */
{ 0x40d0a7aa, 0x06914e57, 0x0d029d5e, 0x0ac1f48a }, /* PIO 0 */
{ 0x40d0a7a3, 0x06914e43, 0x0d029d26, 0x0ac1f465 }, /* PIO 1 */
{ 0x40d0a753, 0x06514e33, 0x0c829ca6, 0x0a81f454 }, /* PIO 2 */
{ 0x40c8a742, 0x06514e22, 0x0c829c84, 0x0a81f443 }, /* PIO 3 */
{ 0x40c8a731, 0x06514e21, 0x0c829c62, 0x0a81f442 }, /* PIO 4 */
{ 0x20c8a797, 0x26514e97, 0x2c82922e, 0x228082ea }, /* MWDMA 0 */
{ 0x20c8a732, 0x26514e33, 0x2c829266, 0x22808254 }, /* MWDMA 1 */
{ 0x20c8a731, 0x26514e21, 0x2c829262, 0x22808242 }, /* MWDMA 2 */
{ 0x10c8a731, 0x16514e31, 0x1c829c62, 0x121882ea }, /* UDMA 0 */
{ 0x10cba731, 0x164d4e31, 0x1c9a9c62, 0x12148254 }, /* UDMA 1 */
{ 0x10caa731, 0x16494e31, 0x1c929c62, 0x120c8242 }, /* UDMA 2 */
{ 0x10cfa731, 0x166d4e31, 0x1c8e9c62, 0x128c8242 }, /* UDMA 3 */
{ 0x10c9a731, 0x16454e31, 0x1c8a9c62, 0x12ac8242 }, /* UDMA 4 */
{ 0, 0x16454e31, 0x1c8a9c62, 0x12848242 }, /* UDMA 5 */
{ 0, 0, 0x1c869c62, 0x12808242 } /* UDMA 6 */
};
mode = ata_limit_mode(dev, mode, ctlr->chip->max_dma);
if (ctlr->chip->cfg1 == HPT_366 && ata_atapi(dev))
mode = ata_limit_mode(dev, mode, ATA_PIO_MAX);
mode = ata_highpoint_check_80pin(dev, mode);
/*
* most if not all HPT chips cant really handle that the device is
* running at ATA_UDMA6/ATA133 speed, so we cheat at set the device to
* a max of ATA_UDMA5/ATA100 to guard against suboptimal performance
*/
error = ata_controlcmd(dev, ATA_SETFEATURES, ATA_SF_SETXFER, 0,
ata_limit_mode(dev, mode, ATA_UDMA5));
if (bootverbose)
device_printf(dev, "%ssetting %s on HighPoint chip\n",
(error) ? "FAILURE " : "", ata_mode2str(mode));
if (!error)
pci_write_config(gparent, 0x40 + (devno << 2),
timings33[ata_mode2idx(mode)][ctlr->chip->cfg1], 4);
atadev->mode = mode;
}
static int
ata_highpoint_check_80pin(device_t dev, int mode)
{
device_t gparent = GRANDPARENT(dev);
struct ata_pci_controller *ctlr = device_get_softc(gparent);
struct ata_channel *ch = device_get_softc(device_get_parent(dev));
u_int8_t reg, val, res;
if (ctlr->chip->cfg1 == HPT_374 && pci_get_function(gparent) == 1) {
reg = ch->unit ? 0x57 : 0x53;
val = pci_read_config(gparent, reg, 1);
pci_write_config(gparent, reg, val | 0x80, 1);
}
else {
reg = 0x5b;
val = pci_read_config(gparent, reg, 1);
pci_write_config(gparent, reg, val & 0xfe, 1);
}
res = pci_read_config(gparent, 0x5a, 1) & (ch->unit ? 0x1:0x2);
pci_write_config(gparent, reg, val, 1);
if (mode > ATA_UDMA2 && res) {
ata_print_cable(dev, "controller");
mode = ATA_UDMA2;
}
return mode;
}
ATA_DECLARE_DRIVER(ata_highpoint);
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