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Merge master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6

This commit is contained in:
Linus Torvalds 2005-11-18 15:58:38 -08:00
parent bcb6ad1f5a 6593178dd4
commit b286e39207
14 changed files with 144 additions and 342 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/ide/ide-cd.c
View File

@ -3328,8 +3328,8 @@ static ide_proc_entry_t idecd_proc[] = {
#endif
static ide_driver_t ide_cdrom_driver = {
.owner = THIS_MODULE,
.gen_driver = {
.owner = THIS_MODULE,
.name = "ide-cdrom",
.bus = &ide_bus_type,
.probe = ide_cd_probe,

2
drivers/ide/ide-disk.c
View File

@ -1089,8 +1089,8 @@ static void ide_device_shutdown(struct device *dev)
}
static ide_driver_t idedisk_driver = {
.owner = THIS_MODULE,
.gen_driver = {
.owner = THIS_MODULE,
.name = "ide-disk",
.bus = &ide_bus_type,
.probe = ide_disk_probe,

2
drivers/ide/ide-floppy.c
View File

@ -1925,8 +1925,8 @@ static ide_proc_entry_t idefloppy_proc[] = {
static int ide_floppy_probe(struct device *);
static ide_driver_t idefloppy_driver = {
.owner = THIS_MODULE,
.gen_driver = {
.owner = THIS_MODULE,
.name = "ide-floppy",
.bus = &ide_bus_type,
.probe = ide_floppy_probe,

8
drivers/ide/ide-lib.c
View File

@ -410,10 +410,10 @@ void ide_toggle_bounce(ide_drive_t *drive, int on)
{
u64 addr = BLK_BOUNCE_HIGH; /* dma64_addr_t */
if (on && drive->media == ide_disk) {
if (!PCI_DMA_BUS_IS_PHYS)
addr = BLK_BOUNCE_ANY;
else if (HWIF(drive)->pci_dev)
if (!PCI_DMA_BUS_IS_PHYS) {
addr = BLK_BOUNCE_ANY;
} else if (on && drive->media == ide_disk) {
if (HWIF(drive)->pci_dev)
addr = HWIF(drive)->pci_dev->dma_mask;
}

2
drivers/ide/ide-tape.c
View File

@ -4748,8 +4748,8 @@ static ide_proc_entry_t idetape_proc[] = {
static int ide_tape_probe(struct device *);
static ide_driver_t idetape_driver = {
.owner = THIS_MODULE,
.gen_driver = {
.owner = THIS_MODULE,
.name = "ide-tape",
.bus = &ide_bus_type,
.probe = ide_tape_probe,

47
drivers/ide/pci/aec62xx.c
View File

@ -65,23 +65,6 @@ static struct chipset_bus_clock_list_entry aec6xxx_34_base [] = {
#define BUSCLOCK(D) \
((struct chipset_bus_clock_list_entry *) pci_get_drvdata((D)))
#if 0
if (dev->device == PCI_DEVICE_ID_ARTOP_ATP850UF) {
(void) pci_read_config_byte(dev, 0x54, &art);
p += sprintf(p, "DMA Mode: %s(%s)",
(c0&0x20)?((art&0x03)?"UDMA":" DMA"):" PIO",
(art&0x02)?"2":(art&0x01)?"1":"0");
p += sprintf(p, " %s(%s)",
(c0&0x40)?((art&0x0c)?"UDMA":" DMA"):" PIO",
(art&0x08)?"2":(art&0x04)?"1":"0");
p += sprintf(p, " %s(%s)",
(c1&0x20)?((art&0x30)?"UDMA":" DMA"):" PIO",
(art&0x20)?"2":(art&0x10)?"1":"0");
p += sprintf(p, " %s(%s)\n",
(c1&0x40)?((art&0xc0)?"UDMA":" DMA"):" PIO",
(art&0x80)?"2":(art&0x40)?"1":"0");
} else {
#endif
/*
* TO DO: active tuning and correction of cards without a bios.
@ -112,13 +95,9 @@ static u8 aec62xx_ratemask (ide_drive_t *drive)
switch(hwif->pci_dev->device) {
case PCI_DEVICE_ID_ARTOP_ATP865:
case PCI_DEVICE_ID_ARTOP_ATP865R:
#if 0
mode = (hwif->INB(hwif->dma_master) & 0x10) ? 4 : 3;
#else
mode = (hwif->INB(((hwif->channel) ?
hwif->mate->dma_status :
hwif->dma_status)) & 0x10) ? 4 : 3;
#endif
break;
case PCI_DEVICE_ID_ARTOP_ATP860:
case PCI_DEVICE_ID_ARTOP_ATP860R:
@ -263,35 +242,9 @@ static int aec62xx_irq_timeout (ide_drive_t *drive)
case PCI_DEVICE_ID_ARTOP_ATP865:
case PCI_DEVICE_ID_ARTOP_ATP865R:
printk(" AEC62XX time out ");
#if 0
{
int i = 0;
u8 reg49h = 0;
pci_read_config_byte(HWIF(drive)->pci_dev, 0x49, &reg49h);
for (i=0;i<256;i++)
pci_write_config_byte(HWIF(drive)->pci_dev, 0x49, reg49h|0x10);
pci_write_config_byte(HWIF(drive)->pci_dev, 0x49, reg49h & ~0x10);
}
return 0;
#endif
default:
break;
}
#if 0
{
ide_hwif_t *hwif = HWIF(drive);
struct pci_dev *dev = hwif->pci_dev;
u8 tmp1 = 0, tmp2 = 0, mode6 = 0;
pci_read_config_byte(dev, 0x44, &tmp1);
pci_read_config_byte(dev, 0x45, &tmp2);
printk(" AEC6280 r44=%x r45=%x ",tmp1,tmp2);
mode6 = HWIF(drive)->INB(((hwif->channel) ?
hwif->mate->dma_status :
hwif->dma_status));
printk(" AEC6280 133=%x ", (mode6 & 0x10));
}
#endif
return 0;
}

9
drivers/ide/pci/alim15x3.c
View File

@ -876,10 +876,15 @@ static ide_pci_device_t ali15x3_chipset __devinitdata = {
static int __devinit alim15x3_init_one(struct pci_dev *dev, const struct pci_device_id *id)
{
static struct pci_device_id ati_rs100[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100) },
{ },
};
ide_pci_device_t *d = &ali15x3_chipset;
if(pci_find_device(PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RS100, NULL))
printk(KERN_ERR "Warning: ATI Radeon IGP Northbridge is not yet fully tested.\n");
if (pci_dev_present(ati_rs100))
printk(KERN_WARNING "alim15x3: ATI Radeon IGP Northbridge is not yet fully tested.\n");
#if defined(CONFIG_SPARC64)
d->init_hwif = init_hwif_common_ali15x3;

5
drivers/ide/pci/cs5520.c
View File

@ -222,10 +222,9 @@ static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_devic
/* We must not grab the entire device, it has 'ISA' space in its
BARS too and we will freak out other bits of the kernel */
if(pci_enable_device_bars(dev, 1<<2))
{
if (pci_enable_device_bars(dev, 1<<2)) {
printk(KERN_WARNING "%s: Unable to enable 55x0.\n", d->name);
return 1;
return -ENODEV;
}
pci_set_master(dev);
if (pci_set_dma_mask(dev, DMA_32BIT_MASK)) {

8
drivers/ide/pci/siimage.c
View File

@ -6,7 +6,13 @@
*
* May be copied or modified under the terms of the GNU General Public License
*
* Documentation available under NDA only
* Documentation for CMD680:
* http://gkernel.sourceforge.net/specs/sii/sii-0680a-v1.31.pdf.bz2
*
* Documentation for SiI 3112:
* http://gkernel.sourceforge.net/specs/sii/3112A_SiI-DS-0095-B2.pdf.bz2
*
* Errata and other documentation only available under NDA.
*
*
* FAQ Items:

379
drivers/ide/pci/via82cxxx.c
View File

@ -100,185 +100,14 @@ static struct via_isa_bridge {
{ NULL }
};
static struct via_isa_bridge *via_config;
static unsigned int via_80w;
static unsigned int via_clock;
static char *via_dma[] = { "MWDMA16", "UDMA33", "UDMA66", "UDMA100", "UDMA133" };
/*
* VIA /proc entry.
*/
#if defined(DISPLAY_VIA_TIMINGS) && defined(CONFIG_PROC_FS)
#include <linux/stat.h>
#include <linux/proc_fs.h>
static u8 via_proc = 0;
static unsigned long via_base;
static struct pci_dev *bmide_dev, *isa_dev;
static char *via_control3[] = { "No limit", "64", "128", "192" };
#define via_print(format, arg...) p += sprintf(p, format "\n" , ## arg)
#define via_print_drive(name, format, arg...)\
p += sprintf(p, name); for (i = 0; i < 4; i++) p += sprintf(p, format, ## arg); p += sprintf(p, "\n");
/**
* via_get_info - generate via /proc file
* @buffer: buffer for data
* @addr: set to start of data to use
* @offset: current file offset
* @count: size of read
*
* Fills in buffer with the debugging/configuration information for
* the VIA chipset tuning and attached drives
*/
static int via_get_info(char *buffer, char **addr, off_t offset, int count)
struct via82cxxx_dev
{
int speed[4], cycle[4], setup[4], active[4], recover[4], den[4],
uen[4], udma[4], umul[4], active8b[4], recover8b[4];
struct pci_dev *dev = bmide_dev;
unsigned int v, u, i;
int len;
u16 c, w;
u8 t, x;
char *p = buffer;
via_print("----------VIA BusMastering IDE Configuration"
"----------------");
via_print("Driver Version: 3.38");
via_print("South Bridge: VIA %s",
via_config->name);
pci_read_config_byte(isa_dev, PCI_REVISION_ID, &t);
pci_read_config_byte(dev, PCI_REVISION_ID, &x);
via_print("Revision: ISA %#x IDE %#x", t, x);
via_print("Highest DMA rate: %s",
via_dma[via_config->flags & VIA_UDMA]);
via_print("BM-DMA base: %#lx", via_base);
via_print("PCI clock: %d.%dMHz",
via_clock / 1000, via_clock / 100 % 10);
pci_read_config_byte(dev, VIA_MISC_1, &t);
via_print("Master Read Cycle IRDY: %dws",
(t & 64) >> 6);
via_print("Master Write Cycle IRDY: %dws",
(t & 32) >> 5);
via_print("BM IDE Status Register Read Retry: %s",
(t & 8) ? "yes" : "no");
pci_read_config_byte(dev, VIA_MISC_3, &t);
via_print("Max DRDY Pulse Width: %s%s",
via_control3[(t & 0x03)], (t & 0x03) ? " PCI clocks" : "");
via_print("-----------------------Primary IDE"
"-------Secondary IDE------");
via_print("Read DMA FIFO flush: %10s%20s",
(t & 0x80) ? "yes" : "no", (t & 0x40) ? "yes" : "no");
via_print("End Sector FIFO flush: %10s%20s",
(t & 0x20) ? "yes" : "no", (t & 0x10) ? "yes" : "no");
pci_read_config_byte(dev, VIA_IDE_CONFIG, &t);
via_print("Prefetch Buffer: %10s%20s",
(t & 0x80) ? "yes" : "no", (t & 0x20) ? "yes" : "no");
via_print("Post Write Buffer: %10s%20s",
(t & 0x40) ? "yes" : "no", (t & 0x10) ? "yes" : "no");
pci_read_config_byte(dev, VIA_IDE_ENABLE, &t);
via_print("Enabled: %10s%20s",
(t & 0x02) ? "yes" : "no", (t & 0x01) ? "yes" : "no");
c = inb(via_base + 0x02) | (inb(via_base + 0x0a) << 8);
via_print("Simplex only: %10s%20s",
(c & 0x80) ? "yes" : "no", (c & 0x8000) ? "yes" : "no");
via_print("Cable Type: %10s%20s",
(via_80w & 1) ? "80w" : "40w", (via_80w & 2) ? "80w" : "40w");
via_print("-------------------drive0----drive1"
"----drive2----drive3-----");
pci_read_config_byte(dev, VIA_ADDRESS_SETUP, &t);
pci_read_config_dword(dev, VIA_DRIVE_TIMING, &v);
pci_read_config_word(dev, VIA_8BIT_TIMING, &w);
if (via_config->flags & VIA_UDMA)
pci_read_config_dword(dev, VIA_UDMA_TIMING, &u);
else u = 0;
for (i = 0; i < 4; i++) {
setup[i] = ((t >> ((3 - i) << 1)) & 0x3) + 1;
recover8b[i] = ((w >> ((1 - (i >> 1)) << 3)) & 0xf) + 1;
active8b[i] = ((w >> (((1 - (i >> 1)) << 3) + 4)) & 0xf) + 1;
active[i] = ((v >> (((3 - i) << 3) + 4)) & 0xf) + 1;
recover[i] = ((v >> ((3 - i) << 3)) & 0xf) + 1;
udma[i] = ((u >> ((3 - i) << 3)) & 0x7) + 2;
umul[i] = ((u >> (((3 - i) & 2) << 3)) & 0x8) ? 1 : 2;
uen[i] = ((u >> ((3 - i) << 3)) & 0x20);
den[i] = (c & ((i & 1) ? 0x40 : 0x20) << ((i & 2) << 2));
speed[i] = 2 * via_clock / (active[i] + recover[i]);
cycle[i] = 1000000 * (active[i] + recover[i]) / via_clock;
if (!uen[i] || !den[i])
continue;
switch (via_config->flags & VIA_UDMA) {
case VIA_UDMA_33:
speed[i] = 2 * via_clock / udma[i];
cycle[i] = 1000000 * udma[i] / via_clock;
break;
case VIA_UDMA_66:
speed[i] = 4 * via_clock / (udma[i] * umul[i]);
cycle[i] = 500000 * (udma[i] * umul[i]) / via_clock;
break;
case VIA_UDMA_100:
speed[i] = 6 * via_clock / udma[i];
cycle[i] = 333333 * udma[i] / via_clock;
break;
case VIA_UDMA_133:
speed[i] = 8 * via_clock / udma[i];
cycle[i] = 250000 * udma[i] / via_clock;
break;
}
}
via_print_drive("Transfer Mode: ", "%10s",
den[i] ? (uen[i] ? "UDMA" : "DMA") : "PIO");
via_print_drive("Address Setup: ", "%8dns",
1000000 * setup[i] / via_clock);
via_print_drive("Cmd Active: ", "%8dns",
1000000 * active8b[i] / via_clock);
via_print_drive("Cmd Recovery: ", "%8dns",
1000000 * recover8b[i] / via_clock);
via_print_drive("Data Active: ", "%8dns",
1000000 * active[i] / via_clock);
via_print_drive("Data Recovery: ", "%8dns",
1000000 * recover[i] / via_clock);
via_print_drive("Cycle Time: ", "%8dns",
cycle[i]);
via_print_drive("Transfer Rate: ", "%4d.%dMB/s",
speed[i] / 1000, speed[i] / 100 % 10);
/* hoping it is less than 4K... */
len = (p - buffer) - offset;
*addr = buffer + offset;
return len > count ? count : len;
}
#endif /* DISPLAY_VIA_TIMINGS && CONFIG_PROC_FS */
struct via_isa_bridge *via_config;
unsigned int via_80w;
};
/**
* via_set_speed - write timing registers
@ -289,11 +118,13 @@ static int via_get_info(char *buffer, char **addr, off_t offset, int count)
* via_set_speed writes timing values to the chipset registers
*/
static void via_set_speed(struct pci_dev *dev, u8 dn, struct ide_timing *timing)
static void via_set_speed(ide_hwif_t *hwif, u8 dn, struct ide_timing *timing)
{
struct pci_dev *dev = hwif->pci_dev;
struct via82cxxx_dev *vdev = ide_get_hwifdata(hwif);
u8 t;
if (~via_config->flags & VIA_BAD_AST) {
if (~vdev->via_config->flags & VIA_BAD_AST) {
pci_read_config_byte(dev, VIA_ADDRESS_SETUP, &t);
t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(timing->setup, 1, 4) - 1) << ((3 - dn) << 1));
pci_write_config_byte(dev, VIA_ADDRESS_SETUP, t);
@ -305,7 +136,7 @@ static void via_set_speed(struct pci_dev *dev, u8 dn, struct ide_timing *timing)
pci_write_config_byte(dev, VIA_DRIVE_TIMING + (3 - dn),
((FIT(timing->active, 1, 16) - 1) << 4) | (FIT(timing->recover, 1, 16) - 1));
switch (via_config->flags & VIA_UDMA) {
switch (vdev->via_config->flags & VIA_UDMA) {
case VIA_UDMA_33: t = timing->udma ? (0xe0 | (FIT(timing->udma, 2, 5) - 2)) : 0x03; break;
case VIA_UDMA_66: t = timing->udma ? (0xe8 | (FIT(timing->udma, 2, 9) - 2)) : 0x0f; break;
case VIA_UDMA_100: t = timing->udma ? (0xe0 | (FIT(timing->udma, 2, 9) - 2)) : 0x07; break;
@ -329,6 +160,7 @@ static void via_set_speed(struct pci_dev *dev, u8 dn, struct ide_timing *timing)
static int via_set_drive(ide_drive_t *drive, u8 speed)
{
ide_drive_t *peer = HWIF(drive)->drives + (~drive->dn & 1);
struct via82cxxx_dev *vdev = ide_get_hwifdata(drive->hwif);
struct ide_timing t, p;
unsigned int T, UT;
@ -337,7 +169,7 @@ static int via_set_drive(ide_drive_t *drive, u8 speed)
T = 1000000000 / via_clock;
switch (via_config->flags & VIA_UDMA) {
switch (vdev->via_config->flags & VIA_UDMA) {
case VIA_UDMA_33: UT = T; break;
case VIA_UDMA_66: UT = T/2; break;
case VIA_UDMA_100: UT = T/3; break;
@ -352,7 +184,7 @@ static int via_set_drive(ide_drive_t *drive, u8 speed)
ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT);
}
via_set_speed(HWIF(drive)->pci_dev, drive->dn, &t);
via_set_speed(HWIF(drive), drive->dn, &t);
if (!drive->init_speed)
drive->init_speed = speed;
@ -390,20 +222,41 @@ static void via82cxxx_tune_drive(ide_drive_t *drive, u8 pio)
static int via82cxxx_ide_dma_check (ide_drive_t *drive)
{
u16 w80 = HWIF(drive)->udma_four;
ide_hwif_t *hwif = HWIF(drive);
struct via82cxxx_dev *vdev = ide_get_hwifdata(hwif);
u16 w80 = hwif->udma_four;
u16 speed = ide_find_best_mode(drive,
XFER_PIO | XFER_EPIO | XFER_SWDMA | XFER_MWDMA |
(via_config->flags & VIA_UDMA ? XFER_UDMA : 0) |
(w80 && (via_config->flags & VIA_UDMA) >= VIA_UDMA_66 ? XFER_UDMA_66 : 0) |
(w80 && (via_config->flags & VIA_UDMA) >= VIA_UDMA_100 ? XFER_UDMA_100 : 0) |
(w80 && (via_config->flags & VIA_UDMA) >= VIA_UDMA_133 ? XFER_UDMA_133 : 0));
(vdev->via_config->flags & VIA_UDMA ? XFER_UDMA : 0) |
(w80 && (vdev->via_config->flags & VIA_UDMA) >= VIA_UDMA_66 ? XFER_UDMA_66 : 0) |
(w80 && (vdev->via_config->flags & VIA_UDMA) >= VIA_UDMA_100 ? XFER_UDMA_100 : 0) |
(w80 && (vdev->via_config->flags & VIA_UDMA) >= VIA_UDMA_133 ? XFER_UDMA_133 : 0));
via_set_drive(drive, speed);
if (drive->autodma && (speed & XFER_MODE) != XFER_PIO)
return HWIF(drive)->ide_dma_on(drive);
return HWIF(drive)->ide_dma_off_quietly(drive);
return hwif->ide_dma_on(drive);
return hwif->ide_dma_off_quietly(drive);
}
static struct via_isa_bridge *via_config_find(struct pci_dev **isa)
{
struct via_isa_bridge *via_config;
u8 t;
for (via_config = via_isa_bridges; via_config->id; via_config++)
if ((*isa = pci_find_device(PCI_VENDOR_ID_VIA +
!!(via_config->flags & VIA_BAD_ID),
via_config->id, NULL))) {
pci_read_config_byte(*isa, PCI_REVISION_ID, &t);
if (t >= via_config->rev_min &&
t <= via_config->rev_max)
break;
}
return via_config;
}
/**
@ -418,82 +271,28 @@ static int via82cxxx_ide_dma_check (ide_drive_t *drive)
static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev, const char *name)
{
struct pci_dev *isa = NULL;
struct via_isa_bridge *via_config;
u8 t, v;
unsigned int u;
int i;
/*
* Find the ISA bridge to see how good the IDE is.
*/
for (via_config = via_isa_bridges; via_config->id; via_config++)
if ((isa = pci_find_device(PCI_VENDOR_ID_VIA +
!!(via_config->flags & VIA_BAD_ID),
via_config->id, NULL))) {
pci_read_config_byte(isa, PCI_REVISION_ID, &t);
if (t >= via_config->rev_min &&
t <= via_config->rev_max)
break;
}
via_config = via_config_find(&isa);
if (!via_config->id) {
printk(KERN_WARNING "VP_IDE: Unknown VIA SouthBridge, disabling DMA.\n");
return -ENODEV;
}
/*
* Check 80-wire cable presence and setup Clk66.
* Setup or disable Clk66 if appropriate
*/
switch (via_config->flags & VIA_UDMA) {
case VIA_UDMA_66:
/* Enable Clk66 */
pci_read_config_dword(dev, VIA_UDMA_TIMING, &u);
pci_write_config_dword(dev, VIA_UDMA_TIMING, u|0x80008);
for (i = 24; i >= 0; i -= 8)
if (((u >> (i & 16)) & 8) &&
((u >> i) & 0x20) &&
(((u >> i) & 7) < 2)) {
/*
* 2x PCI clock and
* UDMA w/ < 3T/cycle
*/
via_80w |= (1 << (1 - (i >> 4)));
}
break;
case VIA_UDMA_100:
pci_read_config_dword(dev, VIA_UDMA_TIMING, &u);
for (i = 24; i >= 0; i -= 8)
if (((u >> i) & 0x10) ||
(((u >> i) & 0x20) &&
(((u >> i) & 7) < 4))) {
/* BIOS 80-wire bit or
* UDMA w/ < 60ns/cycle
*/
via_80w |= (1 << (1 - (i >> 4)));
}
break;
case VIA_UDMA_133:
pci_read_config_dword(dev, VIA_UDMA_TIMING, &u);
for (i = 24; i >= 0; i -= 8)
if (((u >> i) & 0x10) ||
(((u >> i) & 0x20) &&
(((u >> i) & 7) < 6))) {
/* BIOS 80-wire bit or
* UDMA w/ < 60ns/cycle
*/
via_80w |= (1 << (1 - (i >> 4)));
}
break;
}
/* Disable Clk66 */
if (via_config->flags & VIA_BAD_CLK66) {
if ((via_config->flags & VIA_UDMA) == VIA_UDMA_66) {
/* Enable Clk66 */
pci_read_config_dword(dev, VIA_UDMA_TIMING, &u);
pci_write_config_dword(dev, VIA_UDMA_TIMING, u|0x80008);
} else if (via_config->flags & VIA_BAD_CLK66) {
/* Would cause trouble on 596a and 686 */
pci_read_config_dword(dev, VIA_UDMA_TIMING, &u);
pci_write_config_dword(dev, VIA_UDMA_TIMING, u & ~0x80008);
@ -560,26 +359,78 @@ static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev, const
via_dma[via_config->flags & VIA_UDMA],
pci_name(dev));
/*
* Setup /proc/ide/via entry.
*/
#if defined(DISPLAY_VIA_TIMINGS) && defined(CONFIG_PROC_FS)
if (!via_proc) {
via_base = pci_resource_start(dev, 4);
bmide_dev = dev;
isa_dev = isa;
ide_pci_create_host_proc("via", via_get_info);
via_proc = 1;
}
#endif /* DISPLAY_VIA_TIMINGS && CONFIG_PROC_FS */
return 0;
}
/*
* Check and handle 80-wire cable presence
*/
static void __devinit via_cable_detect(struct pci_dev *dev, struct via82cxxx_dev *vdev)
{
unsigned int u;
int i;
pci_read_config_dword(dev, VIA_UDMA_TIMING, &u);
switch (vdev->via_config->flags & VIA_UDMA) {
case VIA_UDMA_66:
for (i = 24; i >= 0; i -= 8)
if (((u >> (i & 16)) & 8) &&
((u >> i) & 0x20) &&
(((u >> i) & 7) < 2)) {
/*
* 2x PCI clock and
* UDMA w/ < 3T/cycle
*/
vdev->via_80w |= (1 << (1 - (i >> 4)));
}
break;
case VIA_UDMA_100:
for (i = 24; i >= 0; i -= 8)
if (((u >> i) & 0x10) ||
(((u >> i) & 0x20) &&
(((u >> i) & 7) < 4))) {
/* BIOS 80-wire bit or
* UDMA w/ < 60ns/cycle
*/
vdev->via_80w |= (1 << (1 - (i >> 4)));
}
break;
case VIA_UDMA_133:
for (i = 24; i >= 0; i -= 8)
if (((u >> i) & 0x10) ||
(((u >> i) & 0x20) &&
(((u >> i) & 7) < 6))) {
/* BIOS 80-wire bit or
* UDMA w/ < 60ns/cycle
*/
vdev->via_80w |= (1 << (1 - (i >> 4)));
}
break;
}
}
static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
{
struct via82cxxx_dev *vdev = kmalloc(sizeof(struct via82cxxx_dev),
GFP_KERNEL);
struct pci_dev *isa = NULL;
int i;
if (vdev == NULL) {
printk(KERN_ERR "VP_IDE: out of memory :(\n");
return;
}
memset(vdev, 0, sizeof(struct via82cxxx_dev));
ide_set_hwifdata(hwif, vdev);
vdev->via_config = via_config_find(&isa);
via_cable_detect(hwif->pci_dev, vdev);
hwif->autodma = 0;
hwif->tuneproc = &via82cxxx_tune_drive;
@ -594,7 +445,7 @@ static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
for (i = 0; i < 2; i++) {
hwif->drives[i].io_32bit = 1;
hwif->drives[i].unmask = (via_config->flags & VIA_NO_UNMASK) ? 0 : 1;
hwif->drives[i].unmask = (vdev->via_config->flags & VIA_NO_UNMASK) ? 0 : 1;
hwif->drives[i].autotune = 1;
hwif->drives[i].dn = hwif->channel * 2 + i;
}
@ -608,7 +459,7 @@ static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
hwif->swdma_mask = 0x07;
if (!hwif->udma_four)
hwif->udma_four = (via_80w >> hwif->channel) & 1;
hwif->udma_four = (vdev->via_80w >> hwif->channel) & 1;
hwif->ide_dma_check = &via82cxxx_ide_dma_check;
if (!noautodma)
hwif->autodma = 1;

14
drivers/ide/ppc/pmac.c
View File

@ -1401,20 +1401,6 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
/* We probe the hwif now */
probe_hwif_init(hwif);
/* The code IDE code will have set hwif->present if we have devices attached,
* if we don't, the discard the interface except if we are on a media bay slot
*/
if (!hwif->present && !pmif->mediabay) {
printk(KERN_INFO "ide%d: Bus empty, interface released.\n",
hwif->index);
default_hwif_iops(hwif);
for (i = IDE_DATA_OFFSET; i <= IDE_CONTROL_OFFSET; ++i)
hwif->io_ports[i] = 0;
hwif->chipset = ide_unknown;
hwif->noprobe = 1;
return -ENODEV;
}
return 0;
}

2
drivers/ide/setup-pci.c
View File

@ -787,7 +787,7 @@ static int pre_init = 1; /* Before first ordered IDE scan */
static LIST_HEAD(ide_pci_drivers);
/*
* __ide_register_pci_driver - attach IDE driver
* __ide_pci_register_driver - attach IDE driver
* @driver: pci driver
* @module: owner module of the driver
*

2
drivers/scsi/ide-scsi.c
View File

@ -784,8 +784,8 @@ static ide_proc_entry_t idescsi_proc[] = {
#endif
static ide_driver_t idescsi_driver = {
.owner = THIS_MODULE,
.gen_driver = {
.owner = THIS_MODULE,
.name = "ide-scsi",
.bus = &ide_bus_type,
.probe = ide_scsi_probe,

4
include/linux/ide.h
View File

@ -1089,9 +1089,11 @@ enum {
/*
* Subdrivers support.
*
* The gendriver.owner field should be set to the module owner of this driver.
* The gendriver.name field should be set to the name of this driver
*/
typedef struct ide_driver_s {
struct module *owner;
const char *version;
u8 media;
unsigned supports_dsc_overlap : 1;