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freebsd/sys/dev/ata/ata-dma.c
Poul-Henning Kamp c6ff03e2df Remove unused #includes: <sys/disk.h> <sys/devicestat.h> and <sys/sysctl.h> 
Sponsored by:	DARPA & NAI Labs.
Approved by:	sos
2002-09-20 18:08:57 +00:00

1625 lines
53 KiB
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/*-
* Copyright (c) 1998,1999,2000,2001,2002 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* 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.
*
* $FreeBSD$
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/ata.h>
#include <sys/endian.h>
#include <sys/malloc.h>
#include <sys/bus.h>
#include <pci/pcivar.h>
#include <machine/bus.h>
#include <sys/rman.h>
#include <dev/ata/ata-all.h>
/* prototypes */
static void ata_dmacreate(struct ata_device *, int, int);
static void ata_dmasetupd_cb(void *, bus_dma_segment_t *, int, int);
static void ata_dmasetupc_cb(void *, bus_dma_segment_t *, int, int);
static void cyrix_timing(struct ata_device *, int, int);
static void promise_timing(struct ata_device *, int, int);
static void hpt_timing(struct ata_device *, int, int);
static int hpt_cable80(struct ata_device *);
/* misc defines */
#define ATAPI_DEVICE(atadev) \
((atadev->unit == ATA_MASTER && \
atadev->channel->devices & ATA_ATAPI_MASTER) || \
(atadev->unit == ATA_SLAVE && \
atadev->channel->devices & ATA_ATAPI_SLAVE))
#define MAXSEGSZ PAGE_SIZE
#define MAXTABSZ PAGE_SIZE
#define MAXCTLDMASZ (2 * (MAXTABSZ + MAXPHYS))
struct ata_dc_cb_args {
bus_addr_t maddr;
int error;
};
static void
ata_dmasetupc_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
{
struct ata_dc_cb_args *cba = (struct ata_dc_cb_args *)xsc;
if (!(cba->error = error))
cba->maddr = segs[0].ds_addr;
}
int
ata_dmaalloc(struct ata_device *atadev)
{
struct ata_channel *ch;
struct ata_dc_cb_args ccba;
struct ata_dmastate *ds;
int error;
ch = atadev->channel;
ds = &atadev->dmastate;
if (!ds->cdmatag) {
if ((error = bus_dma_tag_create(ch->dmatag, 1, PAGE_SIZE,
BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL,
MAXTABSZ, 1, MAXTABSZ,
BUS_DMA_ALLOCNOW, &ds->cdmatag)))
return error;
}
if (!ds->ddmatag) {
if ((error = bus_dma_tag_create(ch->dmatag, ch->alignment + 1, 0,
BUS_SPACE_MAXADDR_32BIT,
BUS_SPACE_MAXADDR, NULL, NULL,
MAXPHYS, ATA_DMA_ENTRIES, MAXSEGSZ,
BUS_DMA_ALLOCNOW, &ds->ddmatag)))
return error;
}
if (!ds->mdmatab) {
if ((error = bus_dmamem_alloc(ds->cdmatag, (void **)&ds->dmatab, 0,
&ds->cdmamap)))
return error;
if ((error = bus_dmamap_load(ds->cdmatag, ds->cdmamap, ds->dmatab,
MAXTABSZ, ata_dmasetupc_cb, &ccba,
0)) != 0 || ccba.error != 0) {
bus_dmamem_free(ds->cdmatag, ds->dmatab, ds->cdmamap);
return error;
}
ds->mdmatab = ccba.maddr;
}
if (!ds->ddmamap) {
if ((error = bus_dmamap_create(ds->ddmatag, 0, &ds->ddmamap)) != 0)
return error;
}
return 0;
}
void
ata_dmafree(struct ata_device *atadev)
{
struct ata_dmastate *ds;
ds = &atadev->dmastate;
if (ds->mdmatab) {
bus_dmamap_unload(ds->cdmatag, ds->cdmamap);
bus_dmamem_free(ds->cdmatag, ds->dmatab, ds->cdmamap);
ds->mdmatab = 0;
ds->cdmamap = NULL;
ds->dmatab = NULL;
}
if (ds->ddmamap) {
bus_dmamap_destroy(ds->ddmatag, ds->ddmamap);
ds->ddmamap = NULL;
}
if (ds->cdmatag) {
bus_dma_tag_destroy(ds->cdmatag);
ds->cdmatag = NULL;
}
if (ds->ddmatag) {
bus_dma_tag_destroy(ds->ddmatag);
ds->ddmatag = NULL;
}
}
void
ata_dmafreetags(struct ata_channel *ch)
{
if (ch->dmatag) {
bus_dma_tag_destroy(ch->dmatag);
ch->dmatag = NULL;
}
}
static void
ata_dmacreate(struct ata_device *atadev, int apiomode, int mode)
{
atadev->mode = mode;
if (!atadev->channel->dmatag) {
if (bus_dma_tag_create(NULL, 1, 0,
BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR,
NULL, NULL, MAXCTLDMASZ, ATA_DMA_ENTRIES,
BUS_SPACE_MAXSIZE_32BIT, 0,
&atadev->channel->dmatag)) {
ata_prtdev(atadev, "DMA tag allocation failed, disabling DMA\n");
ata_dmainit(atadev, apiomode, -1, -1);
}
}
}
void
ata_dmainit(struct ata_device *atadev, int apiomode, int wdmamode, int udmamode)
{
device_t parent = device_get_parent(atadev->channel->dev);
int chiptype = atadev->channel->chiptype;
int chiprev = pci_get_revid(parent);
int channel = atadev->channel->unit;
int device = ATA_DEV(atadev->unit);
int devno = (channel << 1) + device;
int error;
/* set our most pessimistic default mode */
atadev->mode = ATA_PIO;
if (!atadev->channel->r_bmio)
return;
/* if simplex controller, only allow DMA on primary channel */
if (channel == 1) {
ATA_OUTB(atadev->channel->r_bmio, ATA_BMSTAT_PORT,
ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
(ATA_BMSTAT_DMA_MASTER | ATA_BMSTAT_DMA_SLAVE));
if (ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
ATA_BMSTAT_DMA_SIMPLEX) {
ata_prtdev(atadev, "simplex device, DMA on primary only\n");
return;
}
}
/* DMA engine address alignment is usually 1 word (2 bytes) */
atadev->channel->alignment = 0x1;
#if 1
if (udmamode > 2 && !atadev->param->hwres_cblid) {
ata_prtdev(atadev,"DMA limited to UDMA33, non-ATA66 cable or device\n");
udmamode = 2;
}
#endif
switch (chiptype) {
case 0x24cb8086: /* Intel ICH4 */
case 0x248a8086: /* Intel ICH3 mobile */
case 0x248b8086: /* Intel ICH3 */
case 0x244a8086: /* Intel ICH2 mobile */
case 0x244b8086: /* Intel ICH2 */
if (udmamode >= 5) {
int32_t mask48, new48;
int16_t word54;
word54 = pci_read_config(parent, 0x54, 2);
if (word54 & (0x10 << devno)) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA5, ATA_C_F_SETXFER,ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA5 on Intel chip\n",
(error) ? "failed" : "success");
if (!error) {
mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
new48 = (1 << devno) + (1 << (16 + (devno << 2)));
pci_write_config(parent, 0x48,
(pci_read_config(parent, 0x48, 4) &
~mask48) | new48, 4);
pci_write_config(parent, 0x54, word54 | (0x1000<<devno), 2);
ata_dmacreate(atadev, apiomode, ATA_UDMA5);
return;
}
}
}
/* make sure eventual ATA100 mode from the BIOS is disabled */
pci_write_config(parent, 0x54,
pci_read_config(parent, 0x54, 2) & ~(0x1000<<devno),2);
/* FALLTHROUGH */
case 0x24118086: /* Intel ICH */
case 0x76018086: /* Intel ICH */
if (udmamode >= 4) {
int32_t mask48, new48;
int16_t word54;
word54 = pci_read_config(parent, 0x54, 2);
if (word54 & (0x10 << devno)) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA4 on Intel chip\n",
(error) ? "failed" : "success");
if (!error) {
mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
new48 = (1 << devno) + (2 << (16 + (devno << 2)));
pci_write_config(parent, 0x48,
(pci_read_config(parent, 0x48, 4) &
~mask48) | new48, 4);
pci_write_config(parent, 0x54, word54 | (1 << devno), 2);
ata_dmacreate(atadev, apiomode, ATA_UDMA4);
return;
}
}
}
/* make sure eventual ATA66 mode from the BIOS is disabled */
pci_write_config(parent, 0x54,
pci_read_config(parent, 0x54, 2) & ~(1 << devno), 2);
/* FALLTHROUGH */
case 0x71118086: /* Intel PIIX4 */
case 0x84CA8086: /* Intel PIIX4 */
case 0x71998086: /* Intel PIIX4e */
case 0x24218086: /* Intel ICH0 */
if (udmamode >= 2) {
int32_t mask48, new48;
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on Intel chip\n",
(error) ? "failed" : "success");
if (!error) {
mask48 = (1 << devno) + (3 << (16 + (devno << 2)));
new48 = (1 << devno) + (2 << (16 + (devno << 2)));
pci_write_config(parent, 0x48,
(pci_read_config(parent, 0x48, 4) &
~mask48) | new48, 4);
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
/* make sure eventual ATA33 mode from the BIOS is disabled */
pci_write_config(parent, 0x48,
pci_read_config(parent, 0x48, 4) & ~(1 << devno), 4);
/* FALLTHROUGH */
case 0x70108086: /* Intel PIIX3 */
if (wdmamode >= 2 && apiomode >= 4) {
int32_t mask40, new40, mask44, new44;
/* if SITRE not set doit for both channels */
if (!((pci_read_config(parent, 0x40, 4) >> (channel<<8)) & 0x4000)){
new40 = pci_read_config(parent, 0x40, 4);
new44 = pci_read_config(parent, 0x44, 4);
if (!(new40 & 0x00004000)) {
new44 &= ~0x0000000f;
new44 |= ((new40&0x00003000)>>10)|((new40&0x00000300)>>8);
}
if (!(new40 & 0x40000000)) {
new44 &= ~0x000000f0;
new44 |= ((new40&0x30000000)>>22)|((new40&0x03000000)>>20);
}
new40 |= 0x40004000;
pci_write_config(parent, 0x40, new40, 4);
pci_write_config(parent, 0x44, new44, 4);
}
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on Intel chip\n",
(error) ? "failed" : "success");
if (!error) {
if (device == ATA_MASTER) {
mask40 = 0x0000330f;
new40 = 0x00002307;
mask44 = 0;
new44 = 0;
}
else {
mask40 = 0x000000f0;
new40 = 0x00000070;
mask44 = 0x0000000f;
new44 = 0x0000000b;
}
if (channel) {
mask40 <<= 16;
new40 <<= 16;
mask44 <<= 4;
new44 <<= 4;
}
pci_write_config(parent, 0x40,
(pci_read_config(parent, 0x40, 4) & ~mask40)|
new40, 4);
pci_write_config(parent, 0x44,
(pci_read_config(parent, 0x44, 4) & ~mask44)|
new44, 4);
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
/* we could set PIO mode timings, but we assume the BIOS did that */
break;
case 0x12308086: /* Intel PIIX */
if (wdmamode >= 2 && apiomode >= 4) {
int32_t word40;
word40 = pci_read_config(parent, 0x40, 4);
word40 >>= channel * 16;
/* Check for timing config usable for DMA on controller */
if (!((word40 & 0x3300) == 0x2300 &&
((word40 >> (device ? 4 : 0)) & 1) == 1))
break;
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on Intel chip\n",
(error) ? "failed" : "success");
if (!error) {
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
break;
case 0x522910b9: /* AcerLabs Aladdin IV/V */
/* the older Aladdin doesn't support ATAPI DMA on both master & slave */
if (chiprev < 0xc2 &&
atadev->channel->devices & ATA_ATAPI_MASTER &&
atadev->channel->devices & ATA_ATAPI_SLAVE) {
ata_prtdev(atadev, "two atapi devices on this channel, no DMA\n");
break;
}
pci_write_config(parent, 0x58 + (channel << 2), 0x00310001, 4);
if (udmamode >= 5 && chiprev >= 0xc4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA5 on Acer chip\n",
(error) ? "failed" : "success");
if (!error) {
int32_t word54 = pci_read_config(parent, 0x54, 4);
pci_write_config(parent, 0x4b,
pci_read_config(parent, 0x4b, 1) | 0x01, 1);
word54 &= ~(0x000f000f << (devno << 2));
word54 |= (0x000f0005 << (devno << 2));
pci_write_config(parent, 0x54, word54, 4);
pci_write_config(parent, 0x53,
pci_read_config(parent, 0x53, 1) | 0x03, 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA5);
return;
}
}
if (udmamode >= 4 && chiprev >= 0xc2) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA4 on Acer chip\n",
(error) ? "failed" : "success");
if (!error) {
int32_t word54 = pci_read_config(parent, 0x54, 4);
pci_write_config(parent, 0x4b,
pci_read_config(parent, 0x4b, 1) | 0x01, 1);
word54 &= ~(0x000f000f << (devno << 2));
word54 |= (0x00080005 << (devno << 2));
pci_write_config(parent, 0x54, word54, 4);
pci_write_config(parent, 0x53,
pci_read_config(parent, 0x53, 1) | 0x03, 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA4);
return;
}
}
if (udmamode >= 2 && chiprev >= 0x20) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on Acer chip\n",
(error) ? "failed" : "success");
if (!error) {
int32_t word54 = pci_read_config(parent, 0x54, 4);
word54 &= ~(0x000f000f << (devno << 2));
word54 |= (0x000a0005 << (devno << 2));
pci_write_config(parent, 0x54, word54, 4);
pci_write_config(parent, 0x53,
pci_read_config(parent, 0x53, 1) | 0x03, 1);
atadev->channel->flags |= ATA_ATAPI_DMA_RO;
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
/* make sure eventual UDMA mode from the BIOS is disabled */
pci_write_config(parent, 0x56, pci_read_config(parent, 0x56, 2) &
~(0x0008 << (devno << 2)), 2);
if (wdmamode >= 2 && apiomode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on Acer chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, 0x53,
pci_read_config(parent, 0x53, 1) | 0x03, 1);
atadev->channel->flags |= ATA_ATAPI_DMA_RO;
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
pci_write_config(parent, 0x53,
(pci_read_config(parent, 0x53, 1) & ~0x01) | 0x02, 1);
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_PIO0 + apiomode,
ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting PIO%d on Acer chip\n",
(error) ? "failed" : "success",
(apiomode >= 0) ? apiomode : 0);
if (!error) {
int32_t word54 = pci_read_config(parent, 0x54, 4);
int32_t timing;
switch(ATA_PIO0 + apiomode) {
case ATA_PIO0: timing = 0x006d0003;
case ATA_PIO1: timing = 0x00580002;
case ATA_PIO2: timing = 0x00440001;
case ATA_PIO3: timing = 0x00330001;
case ATA_PIO4: timing = 0x00310001;
default: timing = 0x006d0003;
}
pci_write_config(parent, 0x58 + (channel << 2), timing, 4);
word54 &= ~(0x000f000f << (devno << 2));
word54 |= (0x00000004 << (devno << 2));
pci_write_config(parent, 0x54, word54, 4);
atadev->mode = ATA_PIO0 + apiomode;
return;
}
break;
case 0x01bc10de: /* nVIDIA nForce */
case 0x74411022: /* AMD 768 */
case 0x74111022: /* AMD 766 */
case 0x74091022: /* AMD 756 */
case 0x05711106: /* VIA 82C571, 82C586, 82C596, 82C686, 8231,8233,8235 */
{
int via_modes[5][7] = {
{ 0x00, 0x00, 0xc0, 0x00, 0x00, 0x00, 0x00 }, /* VIA ATA33 */
{ 0x00, 0x00, 0xea, 0x00, 0xe8, 0x00, 0x00 }, /* VIA ATA66 */
{ 0x00, 0x00, 0xf4, 0x00, 0xf1, 0xf0, 0x00 }, /* VIA ATA100 */
{ 0x00, 0x00, 0xf6, 0x00, 0xf2, 0xf1, 0xf0 }, /* VIA ATA133 */
{ 0x00, 0x00, 0xc0, 0x00, 0xc5, 0xc6, 0x00 }}; /* AMD/nVIDIA */
int *reg_val = NULL;
char *chip = "VIA";
if (ata_find_dev(parent, 0x31471106, 0) || /* 8233a */
ata_find_dev(parent, 0x31771106, 0)) { /* 8235 */
udmamode = imin(udmamode, 6);
reg_val = via_modes[3];
}
else if (ata_find_dev(parent, 0x06861106, 0x40) || /* 82C686b */
ata_find_dev(parent, 0x82311106, 0) || /* 8231 */
ata_find_dev(parent, 0x30741106, 0) || /* 8233 */
ata_find_dev(parent, 0x31091106, 0)) { /* 8233c */
udmamode = imin(udmamode, 5);
reg_val = via_modes[2];
}
else if (ata_find_dev(parent, 0x06861106, 0x10) || /* 82C686a */
ata_find_dev(parent, 0x05961106, 0x12)) { /* 82C596b */
udmamode = imin(udmamode, 4);
reg_val = via_modes[1];
}
else if (ata_find_dev(parent, 0x06861106, 0)) { /* 82C686 */
udmamode = imin(udmamode, 2);
reg_val = via_modes[1];
}
else if (ata_find_dev(parent, 0x05961106, 0) || /* 82C596a */
ata_find_dev(parent, 0x05861106, 0x03)) { /* 82C586b */
udmamode = imin(udmamode, 2);
reg_val = via_modes[0];
}
else if (chiptype == 0x74411022 || /* AMD 768 */
chiptype == 0x74111022) { /* AMD 766 */
udmamode = imin(udmamode, 5);
reg_val = via_modes[4];
chip = "AMD";
}
else if (chiptype == 0x74091022) { /* AMD 756 */
udmamode = imin(udmamode, 4);
reg_val = via_modes[4];
chip = "AMD";
}
else if (chiptype == 0x01bc10de) { /* nVIDIA */
udmamode = imin(udmamode, 5);
reg_val = via_modes[4];
chip = "nVIDIA";
}
else
udmamode = 0;
if (udmamode >= 6) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA6, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA6 on %s chip\n",
(error) ? "failed" : "success", chip);
if (!error) {
pci_write_config(parent, 0x53 - devno, reg_val[6], 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA6);
return;
}
}
if (udmamode >= 5) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA5 on %s chip\n",
(error) ? "failed" : "success", chip);
if (!error) {
pci_write_config(parent, 0x53 - devno, reg_val[5], 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA5);
return;
}
}
if (udmamode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA4 on %s chip\n",
(error) ? "failed" : "success", chip);
if (!error) {
pci_write_config(parent, 0x53 - devno, reg_val[4], 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA4);
return;
}
}
if (udmamode >= 2) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on %s chip\n",
(error) ? "failed" : "success", chip);
if (!error) {
pci_write_config(parent, 0x53 - devno, reg_val[2], 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
if (wdmamode >= 2 && apiomode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on %s chip\n",
(error) ? "failed" : "success", chip);
if (!error) {
pci_write_config(parent, 0x53 - devno, 0x0b, 1);
pci_write_config(parent, 0x4b - devno, 0x31, 1);
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
}
/* we could set PIO mode timings, but we assume the BIOS did that */
break;
case 0x55131039: /* SiS 5591 */
if (ata_find_dev(parent, 0x06301039, 0x30) || /* SiS 630 */
ata_find_dev(parent, 0x06331039, 0) || /* SiS 633 */
ata_find_dev(parent, 0x06351039, 0) || /* SiS 635 */
ata_find_dev(parent, 0x06401039, 0) || /* SiS 640 */
ata_find_dev(parent, 0x06451039, 0) || /* SiS 645 */
ata_find_dev(parent, 0x06501039, 0) || /* SiS 650 */
ata_find_dev(parent, 0x07301039, 0) || /* SiS 730 */
ata_find_dev(parent, 0x07331039, 0) || /* SiS 733 */
ata_find_dev(parent, 0x07351039, 0) || /* SiS 735 */
ata_find_dev(parent, 0x07401039, 0) || /* SiS 740 */
ata_find_dev(parent, 0x07451039, 0) || /* SiS 745 */
ata_find_dev(parent, 0x07501039, 0)) { /* SiS 750 */
int8_t reg = 0x40 + (devno << 1);
int16_t val = pci_read_config(parent, reg, 2) & 0x0fff;
if (udmamode >= 5) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA5 on SiS chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, reg, val | 0x8000, 2);
ata_dmacreate(atadev, apiomode, ATA_UDMA5);
return;
}
}
if (udmamode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA4 on SiS chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, reg, val | 0x9000, 2);
ata_dmacreate(atadev, apiomode, ATA_UDMA4);
return;
}
}
if (udmamode >= 2) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on SiS chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, reg, val | 0xb000, 2);
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
} else if (ata_find_dev(parent, 0x05301039, 0) || /* SiS 530 */
ata_find_dev(parent, 0x05401039, 0) || /* SiS 540 */
ata_find_dev(parent, 0x06201039, 0) || /* SiS 620 */
ata_find_dev(parent, 0x06301039, 0)) { /* SiS 630 */
int8_t reg = 0x40 + (devno << 1);
int16_t val = pci_read_config(parent, reg, 2) & 0x0fff;
if (udmamode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA4 on SiS chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, reg, val | 0x9000, 2);
ata_dmacreate(atadev, apiomode, ATA_UDMA4);
return;
}
}
if (udmamode >= 2) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on SiS chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, reg, val | 0xa000, 2);
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
} else if (udmamode >= 2 && chiprev > 0xc1) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on SiS chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, 0x40 + (devno << 1), 0xa301, 2);
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
if (wdmamode >=2 && apiomode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on SiS chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, 0x40 + (devno << 1), 0x0301, 2);
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
/* we could set PIO mode timings, but we assume the BIOS did that */
break;
case 0x06801095: /* Sil 0680 ATA133 controller */
{
u_int8_t ureg = 0xac + (device * 0x02) + (channel * 0x10);
u_int8_t uval = pci_read_config(parent, ureg, 1);
u_int8_t mreg = channel ? 0x84 : 0x80;
u_int8_t mask = device ? 0x30 : 0x03;
u_int8_t mode = pci_read_config(parent, mreg, 1);
/* enable UDMA mode */
pci_write_config(parent, mreg,
(mode & ~mask) | (device ? 0x30 : 0x03), 1);
if (udmamode >= 6) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA6, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA6 on Sil chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, ureg, (uval & 0x3f) | 0x01, 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA6);
return;
}
}
if (udmamode >= 5) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA5 on Sil chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, ureg, (uval & 0x3f) | 0x02, 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA5);
return;
}
}
if (udmamode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA4 on Sil chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, ureg, (uval & 0x3f) | 0x03, 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA4);
return;
}
}
if (udmamode >= 2) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on Sil chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, ureg, (uval & 0x3f) | 0x07, 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
/* disable UDMA mode and enable WDMA mode */
pci_write_config(parent, mreg,
(mode & ~mask) | (device ? 0x20 : 0x02), 1);
if (wdmamode >= 2 && apiomode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on Sil chip\n",
(error) ? "failed" : "success");
if (!error) {
pci_write_config(parent, ureg - 0x4, 0x10c1, 2);
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
/* restore PIO mode */
pci_write_config(parent, mreg, mode, 1);
}
/* we could set PIO mode timings, but we assume the BIOS did that */
break;
case 0x06491095: /* CMD 649 ATA100 controller */
if (udmamode >= 5) {
u_int8_t umode;
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA5 on CMD chip\n",
(error) ? "failed" : "success");
if (!error) {
umode = pci_read_config(parent, channel ? 0x7b : 0x73, 1);
umode &= ~(device ? 0xca : 0x35);
umode |= (device ? 0x0a : 0x05);
pci_write_config(parent, channel ? 0x7b : 0x73, umode, 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA5);
return;
}
}
/* FALLTHROUGH */
case 0x06481095: /* CMD 648 ATA66 controller */
if (udmamode >= 4) {
u_int8_t umode;
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA4 on CMD chip\n",
(error) ? "failed" : "success");
if (!error) {
umode = pci_read_config(parent, channel ? 0x7b : 0x73, 1);
umode &= ~(device ? 0xca : 0x35);
umode |= (device ? 0x4a : 0x15);
pci_write_config(parent, channel ? 0x7b : 0x73, umode, 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA4);
return;
}
}
if (udmamode >= 2) {
u_int8_t umode;
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on CMD chip\n",
(error) ? "failed" : "success");
if (!error) {
umode = pci_read_config(parent, channel ? 0x7b : 0x73, 1);
umode &= ~(device ? 0xca : 0x35);
umode |= (device ? 0x42 : 0x11);
pci_write_config(parent, channel ? 0x7b : 0x73, umode, 1);
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
/* make sure eventual UDMA mode from the BIOS is disabled */
pci_write_config(parent, channel ? 0x7b : 0x73,
pci_read_config(parent, channel ? 0x7b : 0x73, 1) &
~(device ? 0xca : 0x53), 1);
/* FALLTHROUGH */
case 0x06461095: /* CMD 646 ATA controller */
if (wdmamode >= 2 && apiomode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on CMD chip\n",
error ? "failed" : "success");
if (!error) {
int32_t offset = (devno < 3) ? (devno << 1) : 7;
pci_write_config(parent, 0x54 + offset, 0x3f, 1);
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
/* we could set PIO mode timings, but we assume the BIOS did that */
break;
case 0xc6931080: /* Cypress 82c693 ATA controller */
if (wdmamode >= 2 && apiomode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on Cypress chip\n",
error ? "failed" : "success");
if (!error) {
pci_write_config(atadev->channel->dev,
channel ? 0x4e:0x4c, 0x2020, 2);
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
/* we could set PIO mode timings, but we assume the BIOS did that */
break;
case 0x01021078: /* Cyrix 5530 ATA33 controller */
atadev->channel->alignment = 0xf;
if (udmamode >= 2) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on Cyrix chip\n",
(error) ? "failed" : "success");
if (!error) {
cyrix_timing(atadev, devno, ATA_UDMA2);
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
if (wdmamode >= 2 && apiomode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on Cyrix chip\n",
(error) ? "failed" : "success");
if (!error) {
cyrix_timing(atadev, devno, ATA_WDMA2);
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_PIO0 + apiomode, ATA_C_F_SETXFER,
ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting %s on Cyrix chip\n",
(error) ? "failed" : "success",
ata_mode2str(ATA_PIO0 + apiomode));
cyrix_timing(atadev, devno, ATA_PIO0 + apiomode);
atadev->mode = ATA_PIO0 + apiomode;
return;
case 0x02121166: /* ServerWorks CSB5 ATA66/100 controller */
if (udmamode >= 5 && chiprev >= 0x92) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA5 on ServerWorks chip\n",
(error) ? "failed" : "success");
if (!error) {
u_int16_t reg56;
pci_write_config(parent, 0x54,
pci_read_config(parent, 0x54, 1) |
(0x01 << devno), 1);
reg56 = pci_read_config(parent, 0x56, 2);
reg56 &= ~(0xf << (devno * 4));
reg56 |= (0x5 << (devno * 4));
pci_write_config(parent, 0x56, reg56, 2);
ata_dmacreate(atadev, apiomode, ATA_UDMA5);
return;
}
}
if (udmamode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA4 on ServerWorks chip\n",
(error) ? "failed" : "success");
if (!error) {
u_int16_t reg56;
pci_write_config(parent, 0x54,
pci_read_config(parent, 0x54, 1) |
(0x01 << devno), 1);
reg56 = pci_read_config(parent, 0x56, 2);
reg56 &= ~(0xf << (devno * 4));
reg56 |= (0x4 << (devno * 4));
pci_write_config(parent, 0x56, reg56, 2);
ata_dmacreate(atadev, apiomode, ATA_UDMA4);
return;
}
}
/* FALLTHROUGH */
case 0x02111166: /* ServerWorks ROSB4 ATA33 controller */
if (udmamode >= 2) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on ServerWorks chip\n",
(error) ? "failed" : "success");
if (!error) {
u_int16_t reg56;
pci_write_config(parent, 0x54,
pci_read_config(parent, 0x54, 1) |
(0x01 << devno), 1);
reg56 = pci_read_config(parent, 0x56, 2);
reg56 &= ~(0xf << (devno * 4));
reg56 |= (0x2 << (devno * 4));
pci_write_config(parent, 0x56, reg56, 2);
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
if (wdmamode >= 2 && apiomode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on ServerWorks chip\n",
(error) ? "failed" : "success");
if (!error) {
int offset = devno ^ 0x01;
int word44 = pci_read_config(parent, 0x44, 4);
pci_write_config(parent, 0x54,
pci_read_config(parent, 0x54, 1) &
~(0x01 << devno), 1);
word44 &= ~(0xff << (offset << 8));
word44 |= (0x20 << (offset << 8));
pci_write_config(parent, 0x44, 0x20, 4);
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
/* we could set PIO mode timings, but we assume the BIOS did that */
break;
case 0x4d69105a: /* Promise TX2 ATA133 controllers */
case 0x5275105a: /* Promise TX2 ATA133 controllers */
case 0x6269105a: /* Promise TX2 ATA133 controllers */
ATA_OUTB(atadev->channel->r_bmio, ATA_BMDEVSPEC_0, 0x0b);
if (udmamode >= 6 &&
!(ATA_INB(atadev->channel->r_bmio, ATA_BMDEVSPEC_1) & 0x04)) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA6, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA6 on Promise chip\n",
(error) ? "failed" : "success");
if (!error) {
ata_dmacreate(atadev, apiomode, ATA_UDMA6);
return;
}
}
/* FALLTHROUGH */
case 0x4d68105a: /* Promise TX2 ATA100 controllers */
case 0x6268105a: /* Promise TX2 ATA100 controllers */
ATA_OUTB(atadev->channel->r_bmio, ATA_BMDEVSPEC_0, 0x0b);
if (udmamode >= 5 &&
!(ATA_INB(atadev->channel->r_bmio, ATA_BMDEVSPEC_1) & 0x04)) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA5 on Promise chip\n",
(error) ? "failed" : "success");
if (!error) {
ata_dmacreate(atadev, apiomode, ATA_UDMA5);
return;
}
}
ATA_OUTB(atadev->channel->r_bmio, ATA_BMDEVSPEC_0, 0x0b);
if (udmamode >= 4 &&
!(ATA_INB(atadev->channel->r_bmio, ATA_BMDEVSPEC_1) & 0x04)) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA4 on Promise chip\n",
(error) ? "failed" : "success");
if (!error) {
ata_dmacreate(atadev, apiomode, ATA_UDMA4);
return;
}
}
if (udmamode >= 2) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA on Promise chip\n",
(error) ? "failed" : "success");
if (!error) {
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
if (wdmamode >= 2 && apiomode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on Promise chip\n",
(error) ? "failed" : "success");
if (!error) {
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
break;
case 0x0d30105a: /* Promise OEM ATA100 controllers */
case 0x4d30105a: /* Promise Ultra/FastTrak 100 controllers */
if (!ATAPI_DEVICE(atadev) && udmamode >= 5 &&
!(pci_read_config(parent, 0x50, 2) & (channel ? 1<<11 : 1<<10))) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA5 on Promise chip\n",
(error) ? "failed" : "success");
if (!error) {
promise_timing(atadev, devno, ATA_UDMA5);
ata_dmacreate(atadev, apiomode, ATA_UDMA5);
return;
}
}
/* FALLTHROUGH */
case 0x0d38105a: /* Promise FastTrak 66 controllers */
case 0x4d38105a: /* Promise Ultra/FastTrak 66 controllers */
if (!ATAPI_DEVICE(atadev) && udmamode >= 4 &&
!(pci_read_config(parent, 0x50, 2) & (channel ? 1<<11 : 1<<10))) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA4 on Promise chip\n",
(error) ? "failed" : "success");
if (!error) {
promise_timing(atadev, devno, ATA_UDMA4);
ata_dmacreate(atadev, apiomode, ATA_UDMA4);
return;
}
}
/* FALLTHROUGH */
case 0x4d33105a: /* Promise Ultra/FastTrak 33 controllers */
if (!ATAPI_DEVICE(atadev) && udmamode >= 2) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on Promise chip\n",
(error) ? "failed" : "success");
if (!error) {
promise_timing(atadev, devno, ATA_UDMA2);
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
if (!ATAPI_DEVICE(atadev) && wdmamode >= 2 && apiomode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on Promise chip\n",
(error) ? "failed" : "success");
if (!error) {
promise_timing(atadev, devno, ATA_WDMA2);
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_PIO0 + apiomode,
ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting PIO%d on Promise chip\n",
(error) ? "failed" : "success",
(apiomode >= 0) ? apiomode : 0);
promise_timing(atadev, devno, ATA_PIO0 + apiomode);
atadev->mode = ATA_PIO0 + apiomode;
return;
case 0x00041103: /* HighPoint HPT366/368/370/372 controllers */
case 0x00051103: /* HighPoint HPT372 controllers */
case 0x00081103: /* HighPoint HPT374 controllers */
if (!ATAPI_DEVICE(atadev) && udmamode >= 6 && hpt_cable80(atadev) &&
((chiptype == 0x00041103 && chiprev >= 0x05) ||
(chiptype == 0x00051103 && chiprev >= 0x01) ||
(chiptype == 0x00081103 && chiprev >= 0x07))) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA6, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA6 on HighPoint chip\n",
(error) ? "failed" : "success");
if (!error) {
hpt_timing(atadev, devno, ATA_UDMA6);
ata_dmacreate(atadev, apiomode, ATA_UDMA6);
return;
}
}
if (!ATAPI_DEVICE(atadev) && udmamode >= 5 && hpt_cable80(atadev) &&
((chiptype == 0x00041103 && chiprev >= 0x03) ||
(chiptype == 0x00051103 && chiprev >= 0x01) ||
(chiptype == 0x00081103 && chiprev >= 0x07))) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA5, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA5 on HighPoint chip\n",
(error) ? "failed" : "success");
if (!error) {
hpt_timing(atadev, devno, ATA_UDMA5);
ata_dmacreate(atadev, apiomode, ATA_UDMA5);
return;
}
}
if (!ATAPI_DEVICE(atadev) && udmamode >= 4 && hpt_cable80(atadev)) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA4, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA4 on HighPoint chip\n",
(error) ? "failed" : "success");
if (!error) {
hpt_timing(atadev, devno, ATA_UDMA4);
ata_dmacreate(atadev, apiomode, ATA_UDMA4);
return;
}
}
if (!ATAPI_DEVICE(atadev) && udmamode >= 2) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_UDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting UDMA2 on HighPoint chip\n",
(error) ? "failed" : "success");
if (!error) {
hpt_timing(atadev, devno, ATA_UDMA2);
ata_dmacreate(atadev, apiomode, ATA_UDMA2);
return;
}
}
if (!ATAPI_DEVICE(atadev) && wdmamode >= 2 && apiomode >= 4) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on HighPoint chip\n",
(error) ? "failed" : "success");
if (!error) {
hpt_timing(atadev, devno, ATA_WDMA2);
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_PIO0 + apiomode,
ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting PIO%d on HighPoint chip\n",
(error) ? "failed" : "success",
(apiomode >= 0) ? apiomode : 0);
hpt_timing(atadev, devno, ATA_PIO0 + apiomode);
atadev->mode = ATA_PIO0 + apiomode;
return;
case 0x000116ca: /* Cenatek Rocket Drive controller */
if (wdmamode >= 0 &&
(ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
(device ? ATA_BMSTAT_DMA_SLAVE : ATA_BMSTAT_DMA_MASTER)))
ata_dmacreate(atadev, apiomode, ATA_DMA);
else
atadev->mode = ATA_PIO;
return;
default: /* unknown controller chip */
/* better not try generic DMA on ATAPI devices it almost never works */
if (ATAPI_DEVICE(atadev))
break;
/* if controller says its setup for DMA take the easy way out */
/* the downside is we dont know what DMA mode we are in */
if ((udmamode >= 0 || wdmamode >= 2) &&
(ATA_INB(atadev->channel->r_bmio, ATA_BMSTAT_PORT) &
(device ? ATA_BMSTAT_DMA_SLAVE : ATA_BMSTAT_DMA_MASTER))) {
ata_dmacreate(atadev, apiomode, ATA_DMA);
return;
}
/* well, we have no support for this, but try anyways */
if ((wdmamode >= 2 && apiomode >= 4) && atadev->channel->r_bmio) {
error = ata_command(atadev, ATA_C_SETFEATURES, 0,
ATA_WDMA2, ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting WDMA2 on generic chip\n",
(error) ? "failed" : "success");
if (!error) {
ata_dmacreate(atadev, apiomode, ATA_WDMA2);
return;
}
}
}
error = ata_command(atadev, ATA_C_SETFEATURES, 0, ATA_PIO0 + apiomode,
ATA_C_F_SETXFER, ATA_WAIT_READY);
if (bootverbose)
ata_prtdev(atadev, "%s setting PIO%d on generic chip\n",
(error) ? "failed" : "success", apiomode < 0 ? 0 : apiomode);
if (!error)
atadev->mode = ATA_PIO0 + apiomode;
else {
if (bootverbose)
ata_prtdev(atadev, "using PIO mode set by BIOS\n");
atadev->mode = ATA_PIO;
}
}
struct ata_dmasetup_data_cb_args {
struct ata_dmaentry *dmatab;
int error;
};
static void
ata_dmasetupd_cb(void *xsc, bus_dma_segment_t *segs, int nsegs, int error)
{
struct ata_dmasetup_data_cb_args *cba =
(struct ata_dmasetup_data_cb_args *)xsc;
bus_size_t cnt;
u_int32_t lastcount;
int i, j;
cba->error = error;
if (error != 0)
return;
lastcount = j = 0;
for (i = 0; i < nsegs; i++) {
/*
* A maximum segment size was specified for bus_dma_tag_create, but
* some busdma code does not seem to honor this, so fix up if needed.
*/
for (cnt = 0; cnt < segs[i].ds_len; cnt += MAXSEGSZ, j++) {
cba->dmatab[j].base = htole32(segs[i].ds_addr + cnt);
lastcount = ulmin(segs[i].ds_len - cnt, MAXSEGSZ) & 0xffff;
cba->dmatab[j].count = htole32(lastcount);
}
}
cba->dmatab[j - 1].count = htole32(lastcount | ATA_DMA_EOT);
}
int
ata_dmasetup(struct ata_device *atadev, caddr_t data, int32_t count)
{
struct ata_channel *ch = atadev->channel;
if (((uintptr_t)data & ch->alignment) || (count & ch->alignment)) {
ata_prtdev(atadev, "non aligned DMA transfer attempted\n");
return -1;
}
if (!count) {
ata_prtdev(atadev, "zero length DMA transfer attempted\n");
return -1;
}
return 0;
}
int
ata_dmastart(struct ata_device *atadev, caddr_t data, int32_t count, int dir)
{
struct ata_channel *ch = atadev->channel;
struct ata_dmastate *ds = &atadev->dmastate;
struct ata_dmasetup_data_cb_args cba;
if (ds->flags & ATA_DS_ACTIVE)
panic("ata_dmasetup: transfer active on this device!");
cba.dmatab = ds->dmatab;
bus_dmamap_sync(ds->cdmatag, ds->cdmamap, BUS_DMASYNC_PREWRITE);
if (bus_dmamap_load(ds->ddmatag, ds->ddmamap, data, count,
ata_dmasetupd_cb, &cba, 0) || cba.error)
return -1;
bus_dmamap_sync(ds->cdmatag, ds->cdmamap, BUS_DMASYNC_POSTWRITE);
bus_dmamap_sync(ds->ddmatag, ds->ddmamap, dir ? BUS_DMASYNC_PREREAD :
BUS_DMASYNC_PREWRITE);
ch->flags |= ATA_DMA_ACTIVE;
ds->flags = ATA_DS_ACTIVE;
if (dir)
ds->flags |= ATA_DS_READ;
ATA_OUTL(ch->r_bmio, ATA_BMDTP_PORT, ds->mdmatab);
ATA_OUTB(ch->r_bmio, ATA_BMCMD_PORT, dir ? ATA_BMCMD_WRITE_READ : 0);
ATA_OUTB(ch->r_bmio, ATA_BMSTAT_PORT,
(ATA_INB(ch->r_bmio, ATA_BMSTAT_PORT) |
(ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR)));
ATA_OUTB(ch->r_bmio, ATA_BMCMD_PORT,
ATA_INB(ch->r_bmio, ATA_BMCMD_PORT) | ATA_BMCMD_START_STOP);
return 0;
}
int
ata_dmadone(struct ata_device *atadev)
{
struct ata_channel *ch;
struct ata_dmastate *ds;
int error;
ch = atadev->channel;
ds = &atadev->dmastate;
bus_dmamap_sync(ds->ddmatag, ds->ddmamap, (ds->flags & ATA_DS_READ) != 0 ?
BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
bus_dmamap_unload(ds->ddmatag, ds->ddmamap);
ATA_OUTB(ch->r_bmio, ATA_BMCMD_PORT,
ATA_INB(ch->r_bmio, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
error = ATA_INB(ch->r_bmio, ATA_BMSTAT_PORT);
ATA_OUTB(ch->r_bmio, ATA_BMSTAT_PORT,
error | ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);
ch->flags &= ~ATA_DMA_ACTIVE;
ds->flags = 0;
return (error & ATA_BMSTAT_MASK);
}
int
ata_dmastatus(struct ata_channel *ch)
{
return ATA_INB(ch->r_bmio, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
}
static void
cyrix_timing(struct ata_device *atadev, int devno, int mode)
{
u_int32_t reg20 = 0x0000e132;
u_int32_t reg24 = 0x00017771;
switch (mode) {
case ATA_PIO0: reg20 = 0x0000e132; break;
case ATA_PIO1: reg20 = 0x00018121; break;
case ATA_PIO2: reg20 = 0x00024020; break;
case ATA_PIO3: reg20 = 0x00032010; break;
case ATA_PIO4: reg20 = 0x00040010; break;
case ATA_WDMA2: reg24 = 0x00002020; break;
case ATA_UDMA2: reg24 = 0x00911030; break;
}
ATA_OUTL(atadev->channel->r_bmio, (devno << 3) + 0x20, reg20);
ATA_OUTL(atadev->channel->r_bmio, (devno << 3) + 0x24, reg24);
}
static void
promise_timing(struct ata_device *atadev, int devno, int mode)
{
u_int32_t timing = 0;
/* XXX: Endianess */
struct promise_timing {
u_int8_t pa:4;
u_int8_t prefetch:1;
u_int8_t iordy:1;
u_int8_t errdy:1;
u_int8_t syncin:1;
u_int8_t pb:5;
u_int8_t mb:3;
u_int8_t mc:4;
u_int8_t dmaw:1;
u_int8_t dmar:1;
u_int8_t iordyp:1;
u_int8_t dmarqp:1;
u_int8_t reserved:8;
} *t = (struct promise_timing*)&timing;
t->iordy = 1; t->iordyp = 1;
if (mode >= ATA_DMA) {
t->prefetch = 1; t->errdy = 1; t->syncin = 1;
}
switch (atadev->channel->chiptype) {
case 0x4d33105a: /* Promise Ultra/Fasttrak 33 */
switch (mode) {
default:
case ATA_PIO0: t->pa = 9; t->pb = 19; t->mb = 7; t->mc = 15; break;
case ATA_PIO1: t->pa = 5; t->pb = 12; t->mb = 7; t->mc = 15; break;
case ATA_PIO2: t->pa = 3; t->pb = 8; t->mb = 7; t->mc = 15; break;
case ATA_PIO3: t->pa = 2; t->pb = 6; t->mb = 7; t->mc = 15; break;
case ATA_PIO4: t->pa = 1; t->pb = 4; t->mb = 7; t->mc = 15; break;
case ATA_WDMA2: t->pa = 3; t->pb = 7; t->mb = 3; t->mc = 3; break;
case ATA_UDMA2: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break;
}
break;
case 0x0d38105a: /* Promise Fasttrak 66 */
case 0x4d38105a: /* Promise Ultra/Fasttrak 66 */
case 0x0d30105a: /* Promise OEM ATA 100 */
case 0x4d30105a: /* Promise Ultra/Fasttrak 100 */
switch (mode) {
default:
case ATA_PIO0: t->pa = 15; t->pb = 31; t->mb = 7; t->mc = 15; break;
case ATA_PIO1: t->pa = 10; t->pb = 24; t->mb = 7; t->mc = 15; break;
case ATA_PIO2: t->pa = 6; t->pb = 16; t->mb = 7; t->mc = 15; break;
case ATA_PIO3: t->pa = 4; t->pb = 12; t->mb = 7; t->mc = 15; break;
case ATA_PIO4: t->pa = 2; t->pb = 8; t->mb = 7; t->mc = 15; break;
case ATA_WDMA2: t->pa = 6; t->pb = 14; t->mb = 6; t->mc = 6; break;
case ATA_UDMA2: t->pa = 6; t->pb = 14; t->mb = 2; t->mc = 2; break;
case ATA_UDMA4: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break;
case ATA_UDMA5: t->pa = 3; t->pb = 7; t->mb = 1; t->mc = 1; break;
}
break;
}
pci_write_config(device_get_parent(atadev->channel->dev),
0x60 + (devno << 2), timing, 4);
}
static void
hpt_timing(struct ata_device *atadev, int devno, int mode)
{
device_t parent = device_get_parent(atadev->channel->dev);
u_int32_t chiptype = atadev->channel->chiptype;
int chiprev = pci_get_revid(parent);
u_int32_t timing;
if (chiptype == 0x00081103 && chiprev >= 0x07) {
switch (mode) { /* HPT374 */
case ATA_PIO0: timing = 0x0ac1f48a; break;
case ATA_PIO1: timing = 0x0ac1f465; break;
case ATA_PIO2: timing = 0x0a81f454; break;
case ATA_PIO3: timing = 0x0a81f443; break;
case ATA_PIO4: timing = 0x0a81f442; break;
case ATA_WDMA2: timing = 0x22808242; break;
case ATA_UDMA2: timing = 0x120c8242; break;
case ATA_UDMA4: timing = 0x12ac8242; break;
case ATA_UDMA5: timing = 0x12848242; break;
case ATA_UDMA6: timing = 0x12808242; break;
default: timing = 0x0d029d5e;
}
}
else if ((chiptype == 0x00041103 && chiprev >= 0x05) ||
(chiptype == 0x00051103 && chiprev >= 0x01)) {
switch (mode) { /* HPT372 */
case ATA_PIO0: timing = 0x0d029d5e; break;
case ATA_PIO1: timing = 0x0d029d26; break;
case ATA_PIO2: timing = 0x0c829ca6; break;
case ATA_PIO3: timing = 0x0c829c84; break;
case ATA_PIO4: timing = 0x0c829c62; break;
case ATA_WDMA2: timing = 0x2c829262; break;
case ATA_UDMA2: timing = 0x1c91dc62; break;
case ATA_UDMA4: timing = 0x1c8ddc62; break;
case ATA_UDMA5: timing = 0x1c6ddc62; break;
case ATA_UDMA6: timing = 0x1c81dc62; break;
default: timing = 0x0d029d5e;
}
}
else if (chiptype == 0x00041103 && chiprev >= 0x03) {
switch (mode) { /* HPT370 */
case ATA_PIO0: timing = 0x06914e57; break;
case ATA_PIO1: timing = 0x06914e43; break;
case ATA_PIO2: timing = 0x06514e33; break;
case ATA_PIO3: timing = 0x06514e22; break;
case ATA_PIO4: timing = 0x06514e21; break;
case ATA_WDMA2: timing = 0x26514e21; break;
case ATA_UDMA2: timing = 0x16494e31; break;
case ATA_UDMA4: timing = 0x16454e31; break;
case ATA_UDMA5: timing = 0x16454e31; break;
default: timing = 0x06514e57;
}
pci_write_config(parent, 0x40 + (devno << 2) , timing, 4);
}
else { /* HPT36[68] */
switch (pci_read_config(parent, 0x41 + (devno << 2), 1)) {
case 0x85: /* 25Mhz */
switch (mode) {
case ATA_PIO0: timing = 0x40d08585; break;
case ATA_PIO1: timing = 0x40d08572; break;
case ATA_PIO2: timing = 0x40ca8542; break;
case ATA_PIO3: timing = 0x40ca8532; break;
case ATA_PIO4: timing = 0x40ca8521; break;
case ATA_WDMA2: timing = 0x20ca8521; break;
case ATA_UDMA2: timing = 0x10cf8521; break;
case ATA_UDMA4: timing = 0x10c98521; break;
default: timing = 0x01208585;
}
break;
default:
case 0xa7: /* 33MHz */
switch (mode) {
case ATA_PIO0: timing = 0x40d0a7aa; break;
case ATA_PIO1: timing = 0x40d0a7a3; break;
case ATA_PIO2: timing = 0x40d0a753; break;
case ATA_PIO3: timing = 0x40c8a742; break;
case ATA_PIO4: timing = 0x40c8a731; break;
case ATA_WDMA2: timing = 0x20c8a731; break;
case ATA_UDMA2: timing = 0x10caa731; break;
case ATA_UDMA4: timing = 0x10c9a731; break;
default: timing = 0x0120a7a7;
}
break;
case 0xd9: /* 40Mhz */
switch (mode) {
case ATA_PIO0: timing = 0x4018d9d9; break;
case ATA_PIO1: timing = 0x4010d9c7; break;
case ATA_PIO2: timing = 0x4010d997; break;
case ATA_PIO3: timing = 0x4010d974; break;
case ATA_PIO4: timing = 0x4008d963; break;
case ATA_WDMA2: timing = 0x2008d943; break;
case ATA_UDMA2: timing = 0x100bd943; break;
case ATA_UDMA4: timing = 0x100fd943; break;
default: timing = 0x0120d9d9;
}
}
}
pci_write_config(parent, 0x40 + (devno << 2) , timing, 4);
}
static int
hpt_cable80(struct ata_device *atadev)
{
device_t parent = device_get_parent(atadev->channel->dev);
u_int8_t reg, val, res;
if (atadev->channel->chiptype==0x00081103 && pci_get_function(parent)==1) {
reg = atadev->channel->unit ? 0x57 : 0x53;
val = pci_read_config(parent, reg, 1);
pci_write_config(parent, reg, val | 0x80, 1);
}
else {
reg = 0x5b;
val = pci_read_config(parent, reg, 1);
pci_write_config(parent, reg, val & 0xfe, 1);
}
res = pci_read_config(parent, 0x5a, 1) & (atadev->channel->unit ? 0x1:0x2);
pci_write_config(parent, reg, val, 1);
return !res;
}
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