* donation of an ABit BP6 mainboard, processor, and memory acellerated
* development and support.
*
+ *
+ * Highpoint have their own driver (source except for the raid part)
+ * available from http://www.highpoint-tech.com/hpt3xx-opensource-v131.tgz
+ * This may be useful to anyone wanting to work on the mainstream hpt IDE.
+ *
* Note that final HPT370 support was done by force extraction of GPL.
*
* - add function for getting/setting power status of drive
#define F_LOW_PCI_50 0x2d
#define F_LOW_PCI_66 0x42
-/* FIXME: compare with driver's code before removing */
-#if 0
- if (hpt_minimum_revision(dev, 3)) {
- u8 cbl;
- cbl = inb(iobase + 0x7b);
- outb(cbl | 1, iobase + 0x7b);
- outb(cbl & ~1, iobase + 0x7b);
- cbl = inb(iobase + 0x7a);
- p += sprintf(p, "Cable: ATA-%d"
- " ATA-%d\n",
- (cbl & 0x02) ? 33 : 66,
- (cbl & 0x01) ? 33 : 66);
- p += sprintf(p, "\n");
- }
- {
- u8 c2, c3;
- /* older revs don't have these registers mapped
- * into io space */
- pci_read_config_byte(dev, 0x43, &c0);
- pci_read_config_byte(dev, 0x47, &c1);
- pci_read_config_byte(dev, 0x4b, &c2);
- pci_read_config_byte(dev, 0x4f, &c3);
-
- p += sprintf(p, "Mode: %s %s"
- " %s %s\n",
- (c0 & 0x10) ? "UDMA" : (c0 & 0x20) ? "DMA " :
- (c0 & 0x80) ? "PIO " : "off ",
- (c1 & 0x10) ? "UDMA" : (c1 & 0x20) ? "DMA " :
- (c1 & 0x80) ? "PIO " : "off ",
- (c2 & 0x10) ? "UDMA" : (c2 & 0x20) ? "DMA " :
- (c2 & 0x80) ? "PIO " : "off ",
- (c3 & 0x10) ? "UDMA" : (c3 & 0x20) ? "DMA " :
- (c3 & 0x80) ? "PIO " : "off ");
- }
- }
-#endif
+/*
+ * Hold all the highpoint quirks and revision information in one
+ * place.
+ */
-static u32 hpt_revision (struct pci_dev *dev)
+struct hpt_info
+{
+ u8 max_mode; /* Speeds allowed */
+ int revision; /* Chipset revision */
+ int flags; /* Chipset properties */
+#define PLL_MODE 1
+#define IS_372N 2
+ /* Speed table */
+ struct chipset_bus_clock_list_entry *speed;
+};
+
+/*
+ * This wants fixing so that we do everything not by classrev
+ * (which breaks on the newest chips) but by creating an
+ * enumeration of chip variants and using that
+ */
+
+static __devinit u32 hpt_revision (struct pci_dev *dev)
{
u32 class_rev;
pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
return class_rev;
}
-static u32 hpt_minimum_revision (struct pci_dev *dev, int revision)
-{
- unsigned int class_rev = hpt_revision(dev);
- revision--;
- return ((int) (class_rev > revision) ? 1 : 0);
-}
-
static int check_in_drive_lists(ide_drive_t *drive, const char **list);
static u8 hpt3xx_ratemask (ide_drive_t *drive)
{
- struct pci_dev *dev = HWIF(drive)->pci_dev;
+ ide_hwif_t *hwif = drive->hwif;
+ struct hpt_info *info = ide_get_hwifdata(hwif);
u8 mode = 0;
- if (hpt_minimum_revision(dev, 8)) { /* HPT374 */
+ /* FIXME: TODO - move this to set info->mode once at boot */
+
+ if (info->revision >= 8) { /* HPT374 */
mode = (HPT374_ALLOW_ATA133_6) ? 4 : 3;
- } else if (hpt_minimum_revision(dev, 7)) { /* HPT371 */
+ } else if (info->revision >= 7) { /* HPT371 */
mode = (HPT371_ALLOW_ATA133_6) ? 4 : 3;
- } else if (hpt_minimum_revision(dev, 6)) { /* HPT302 */
+ } else if (info->revision >= 6) { /* HPT302 */
mode = (HPT302_ALLOW_ATA133_6) ? 4 : 3;
- } else if (hpt_minimum_revision(dev, 5)) { /* HPT372 */
+ } else if (info->revision >= 5) { /* HPT372 */
mode = (HPT372_ALLOW_ATA133_6) ? 4 : 3;
- } else if (hpt_minimum_revision(dev, 4)) { /* HPT370A */
+ } else if (info->revision >= 4) { /* HPT370A */
mode = (HPT370_ALLOW_ATA100_5) ? 3 : 2;
- } else if (hpt_minimum_revision(dev, 3)) { /* HPT370 */
+ } else if (info->revision >= 3) { /* HPT370 */
mode = (HPT370_ALLOW_ATA100_5) ? 3 : 2;
mode = (check_in_drive_lists(drive, bad_ata33)) ? 0 : mode;
} else { /* HPT366 and HPT368 */
mode = (check_in_drive_lists(drive, bad_ata33)) ? 0 : 2;
}
- if (!eighty_ninty_three(drive) && (mode))
+ if (!eighty_ninty_three(drive) && mode)
mode = min(mode, (u8)1);
return mode;
}
static u8 hpt3xx_ratefilter (ide_drive_t *drive, u8 speed)
{
- struct pci_dev *dev = HWIF(drive)->pci_dev;
+ ide_hwif_t *hwif = drive->hwif;
+ struct hpt_info *info = ide_get_hwifdata(hwif);
u8 mode = hpt3xx_ratemask(drive);
if (drive->media != ide_disk)
break;
case 0x03:
speed = min(speed, (u8)XFER_UDMA_5);
- if (hpt_minimum_revision(dev, 5))
+ if (info->revision >= 5)
break;
if (check_in_drive_lists(drive, bad_ata100_5))
speed = min(speed, (u8)XFER_UDMA_4);
/*
* CHECK ME, Does this need to be set to 5 ??
*/
- if (hpt_minimum_revision(dev, 3))
+ if (info->revision >= 3)
break;
if ((check_in_drive_lists(drive, bad_ata66_4)) ||
(!(HPT366_ALLOW_ATA66_4)))
/*
* CHECK ME, Does this need to be set to 5 ??
*/
- if (hpt_minimum_revision(dev, 3))
+ if (info->revision >= 3)
break;
if (check_in_drive_lists(drive, bad_ata33))
speed = min(speed, (u8)XFER_MW_DMA_2);
static int hpt36x_tune_chipset(ide_drive_t *drive, u8 xferspeed)
{
- struct pci_dev *dev = HWIF(drive)->pci_dev;
+ ide_hwif_t *hwif = drive->hwif;
+ struct pci_dev *dev = hwif->pci_dev;
+ struct hpt_info *info = ide_get_hwifdata(hwif);
u8 speed = hpt3xx_ratefilter(drive, xferspeed);
-// u8 speed = ide_rate_filter(hpt3xx_ratemask(drive), xferspeed);
u8 regtime = (drive->select.b.unit & 0x01) ? 0x44 : 0x40;
- u8 regfast = (HWIF(drive)->channel) ? 0x55 : 0x51;
+ u8 regfast = (hwif->channel) ? 0x55 : 0x51;
u8 drive_fast = 0;
u32 reg1 = 0, reg2 = 0;
* Disable the "fast interrupt" prediction.
*/
pci_read_config_byte(dev, regfast, &drive_fast);
-#if 0
- if (drive_fast & 0x02)
- pci_write_config_byte(dev, regfast, drive_fast & ~0x20);
-#else
if (drive_fast & 0x80)
pci_write_config_byte(dev, regfast, drive_fast & ~0x80);
-#endif
- reg2 = pci_bus_clock_list(speed,
- (struct chipset_bus_clock_list_entry *) pci_get_drvdata(dev));
+ reg2 = pci_bus_clock_list(speed, info->speed);
+
/*
* Disable on-chip PIO FIFO/buffer
* (to avoid problems handling I/O errors later)
static int hpt370_tune_chipset(ide_drive_t *drive, u8 xferspeed)
{
- struct pci_dev *dev = HWIF(drive)->pci_dev;
+ ide_hwif_t *hwif = drive->hwif;
+ struct pci_dev *dev = hwif->pci_dev;
+ struct hpt_info *info = ide_get_hwifdata(hwif);
u8 speed = hpt3xx_ratefilter(drive, xferspeed);
-// u8 speed = ide_rate_filter(hpt3xx_ratemask(drive), xferspeed);
- u8 regfast = (HWIF(drive)->channel) ? 0x55 : 0x51;
+ u8 regfast = (drive->hwif->channel) ? 0x55 : 0x51;
u8 drive_pci = 0x40 + (drive->dn * 4);
u8 new_fast = 0, drive_fast = 0;
u32 list_conf = 0, drive_conf = 0;
if (new_fast != drive_fast)
pci_write_config_byte(dev, regfast, new_fast);
- list_conf = pci_bus_clock_list(speed,
- (struct chipset_bus_clock_list_entry *)
- pci_get_drvdata(dev));
+ list_conf = pci_bus_clock_list(speed, info->speed);
pci_read_config_dword(dev, drive_pci, &drive_conf);
list_conf = (list_conf & ~conf_mask) | (drive_conf & conf_mask);
- if (speed < XFER_MW_DMA_0) {
+ if (speed < XFER_MW_DMA_0)
list_conf &= ~0x80000000; /* Disable on-chip PIO FIFO/buffer */
- }
-
pci_write_config_dword(dev, drive_pci, list_conf);
return ide_config_drive_speed(drive, speed);
static int hpt372_tune_chipset(ide_drive_t *drive, u8 xferspeed)
{
- struct pci_dev *dev = HWIF(drive)->pci_dev;
+ ide_hwif_t *hwif = drive->hwif;
+ struct pci_dev *dev = hwif->pci_dev;
+ struct hpt_info *info = ide_get_hwifdata(hwif);
u8 speed = hpt3xx_ratefilter(drive, xferspeed);
-// u8 speed = ide_rate_filter(hpt3xx_ratemask(drive), xferspeed);
- u8 regfast = (HWIF(drive)->channel) ? 0x55 : 0x51;
+ u8 regfast = (drive->hwif->channel) ? 0x55 : 0x51;
u8 drive_fast = 0, drive_pci = 0x40 + (drive->dn * 4);
u32 list_conf = 0, drive_conf = 0;
u32 conf_mask = (speed >= XFER_MW_DMA_0) ? 0xc0000000 : 0x30070000;
pci_read_config_byte(dev, regfast, &drive_fast);
drive_fast &= ~0x07;
pci_write_config_byte(dev, regfast, drive_fast);
-
- list_conf = pci_bus_clock_list(speed,
- (struct chipset_bus_clock_list_entry *)
- pci_get_drvdata(dev));
+
+ list_conf = pci_bus_clock_list(speed, info->speed);
pci_read_config_dword(dev, drive_pci, &drive_conf);
list_conf = (list_conf & ~conf_mask) | (drive_conf & conf_mask);
if (speed < XFER_MW_DMA_0)
static int hpt3xx_tune_chipset (ide_drive_t *drive, u8 speed)
{
- struct pci_dev *dev = HWIF(drive)->pci_dev;
+ ide_hwif_t *hwif = drive->hwif;
+ struct hpt_info *info = ide_get_hwifdata(hwif);
- if (hpt_minimum_revision(dev, 8))
+ if (info->revision >= 8)
return hpt372_tune_chipset(drive, speed); /* not a typo */
-#if 0
- else if (hpt_minimum_revision(dev, 7))
- hpt371_tune_chipset(drive, speed);
- else if (hpt_minimum_revision(dev, 6))
- hpt302_tune_chipset(drive, speed);
-#endif
- else if (hpt_minimum_revision(dev, 5))
+ else if (info->revision >= 5)
return hpt372_tune_chipset(drive, speed);
- else if (hpt_minimum_revision(dev, 3))
+ else if (info->revision >= 3)
return hpt370_tune_chipset(drive, speed);
else /* hpt368: hpt_minimum_revision(dev, 2) */
return hpt36x_tune_chipset(drive, speed);
static int config_chipset_for_dma (ide_drive_t *drive)
{
u8 speed = ide_dma_speed(drive, hpt3xx_ratemask(drive));
+ ide_hwif_t *hwif = drive->hwif;
+ struct hpt_info *info = ide_get_hwifdata(hwif);
+
+ if (!speed)
+ return 0;
- if (!(speed))
+ /* If we don't have any timings we can't do a lot */
+ if (info->speed == NULL)
return 0;
(void) hpt3xx_tune_chipset(drive, speed);
static void hpt3xx_intrproc (ide_drive_t *drive)
{
- ide_hwif_t *hwif = HWIF(drive);
+ ide_hwif_t *hwif = drive->hwif;
if (drive->quirk_list)
return;
static void hpt3xx_maskproc (ide_drive_t *drive, int mask)
{
- struct pci_dev *dev = HWIF(drive)->pci_dev;
+ ide_hwif_t *hwif = drive->hwif;
+ struct hpt_info *info = ide_get_hwifdata(hwif);
+ struct pci_dev *dev = hwif->pci_dev;
if (drive->quirk_list) {
- if (hpt_minimum_revision(dev,3)) {
+ if (info->revision >= 3) {
u8 reg5a = 0;
pci_read_config_byte(dev, 0x5a, ®5a);
if (((reg5a & 0x10) >> 4) != mask)
pci_write_config_byte(dev, 0x5a, mask ? (reg5a | 0x10) : (reg5a & ~0x10));
} else {
if (mask) {
- disable_irq(HWIF(drive)->irq);
+ disable_irq(hwif->irq);
} else {
- enable_irq(HWIF(drive)->irq);
+ enable_irq(hwif->irq);
}
}
} else {
if (IDE_CONTROL_REG)
- HWIF(drive)->OUTB(mask ? (drive->ctl | 2) :
+ hwif->OUTB(mask ? (drive->ctl | 2) :
(drive->ctl & ~2),
IDE_CONTROL_REG);
}
static int hpt366_config_drive_xfer_rate (ide_drive_t *drive)
{
- ide_hwif_t *hwif = HWIF(drive);
+ ide_hwif_t *hwif = drive->hwif;
struct hd_driveid *id = drive->id;
drive->init_speed = 0;
- if (id && (id->capability & 1) && drive->autodma) {
+ if ((id->capability & 1) && drive->autodma) {
if (ide_use_dma(drive)) {
if (config_chipset_for_dma(drive))
drive->name, __FUNCTION__, reg50h, reg52h, reg5ah);
if (reg5ah & 0x10)
pci_write_config_byte(dev, 0x5a, reg5ah & ~0x10);
-#if 0
- /* how about we flush and reset, mmmkay? */
- pci_write_config_byte(dev, 0x51, 0x1F);
- /* fall through to a reset */
- case dma_start:
- case ide_dma_end:
- /* reset the chips state over and over.. */
- pci_write_config_byte(dev, 0x51, 0x13);
-#endif
return __ide_dma_lostirq(drive);
}
u8 dma_stat = 0, dma_cmd = 0;
pci_read_config_byte(HWIF(drive)->pci_dev, reginfo, &bfifo);
- printk("%s: %d bytes in FIFO\n", drive->name, bfifo);
+ printk(KERN_DEBUG "%s: %d bytes in FIFO\n", drive->name, bfifo);
hpt370_clear_engine(drive);
/* get dma command mode */
dma_cmd = hwif->INB(hwif->dma_command);
static void hpt3xx_reset (ide_drive_t *drive)
{
-#if 0
- unsigned long high_16 = pci_resource_start(HWIF(drive)->pci_dev, 4);
- u8 reset = (HWIF(drive)->channel) ? 0x80 : 0x40;
- u8 reg59h = 0;
-
- pci_read_config_byte(HWIF(drive)->pci_dev, 0x59, ®59h);
- pci_write_config_byte(HWIF(drive)->pci_dev, 0x59, reg59h|reset);
- pci_write_config_byte(HWIF(drive)->pci_dev, 0x59, reg59h);
-#endif
}
static int hpt3xx_tristate (ide_drive_t * drive, int state)
u8 reg59h = 0, reset = (hwif->channel) ? 0x80 : 0x40;
u8 regXXh = 0, state_reg= (hwif->channel) ? 0x57 : 0x53;
-// hwif->bus_state = state;
-
pci_read_config_byte(dev, 0x59, ®59h);
pci_read_config_byte(dev, state_reg, ®XXh);
#define TRISTATE_BIT 0x8000
static int hpt370_busproc(ide_drive_t * drive, int state)
{
- ide_hwif_t *hwif = HWIF(drive);
+ ide_hwif_t *hwif = drive->hwif;
struct pci_dev *dev = hwif->pci_dev;
u8 tristate = 0, resetmask = 0, bus_reg = 0;
u16 tri_reg;
return 0;
}
-static int __devinit init_hpt37x(struct pci_dev *dev)
+static void __devinit hpt366_clocking(ide_hwif_t *hwif)
{
+ u32 reg1 = 0;
+ struct hpt_info *info = ide_get_hwifdata(hwif);
+
+ pci_read_config_dword(hwif->pci_dev, 0x40, ®1);
+
+ /* detect bus speed by looking at control reg timing: */
+ switch((reg1 >> 8) & 7) {
+ case 5:
+ info->speed = forty_base_hpt366;
+ break;
+ case 9:
+ info->speed = twenty_five_base_hpt366;
+ break;
+ case 7:
+ default:
+ info->speed = thirty_three_base_hpt366;
+ break;
+ }
+}
+
+static void __devinit hpt37x_clocking(ide_hwif_t *hwif)
+{
+ struct hpt_info *info = ide_get_hwifdata(hwif);
+ struct pci_dev *dev = hwif->pci_dev;
int adjust, i;
u16 freq;
u32 pll;
u8 reg5bh;
- u8 reg5ah = 0;
- unsigned long dmabase = pci_resource_start(dev, 4);
- u8 did, rid;
- int is_372n = 0;
- pci_read_config_byte(dev, 0x5a, ®5ah);
- /* interrupt force enable */
- pci_write_config_byte(dev, 0x5a, (reg5ah & ~0x10));
-
- if(dmabase)
- {
- did = inb(dmabase + 0x22);
- rid = inb(dmabase + 0x28);
-
- if((did == 4 && rid == 6) || (did == 5 && rid > 1))
- is_372n = 1;
- }
-
/*
* default to pci clock. make sure MA15/16 are set to output
- * to prevent drives having problems with 40-pin cables.
+ * to prevent drives having problems with 40-pin cables. Needed
+ * for some drives such as IBM-DTLA which will not enter ready
+ * state on reset when PDIAG is a input.
+ *
+ * ToDo: should we set 0x21 when using PLL mode ?
*/
pci_write_config_byte(dev, 0x5b, 0x23);
* Currently we always set up the PLL for the 372N
*/
- pci_set_drvdata(dev, NULL);
-
- if(is_372n)
+ if(info->flags & IS_372N)
{
printk(KERN_INFO "hpt: HPT372N detected, using 372N timing.\n");
if(freq < 0x55)
pll = F_LOW_PCI_66;
if (pll == F_LOW_PCI_33) {
- if (hpt_minimum_revision(dev,8))
- pci_set_drvdata(dev, (void *) thirty_three_base_hpt374);
- else if (hpt_minimum_revision(dev,5))
- pci_set_drvdata(dev, (void *) thirty_three_base_hpt372);
- else if (hpt_minimum_revision(dev,4))
- pci_set_drvdata(dev, (void *) thirty_three_base_hpt370a);
+ if (info->revision >= 8)
+ info->speed = thirty_three_base_hpt374;
+ else if (info->revision >= 5)
+ info->speed = thirty_three_base_hpt372;
+ else if (info->revision >= 4)
+ info->speed = thirty_three_base_hpt370a;
else
- pci_set_drvdata(dev, (void *) thirty_three_base_hpt370);
- printk("HPT37X: using 33MHz PCI clock\n");
+ info->speed = thirty_three_base_hpt370;
+ printk(KERN_DEBUG "HPT37X: using 33MHz PCI clock\n");
} else if (pll == F_LOW_PCI_40) {
/* Unsupported */
} else if (pll == F_LOW_PCI_50) {
- if (hpt_minimum_revision(dev,8))
- pci_set_drvdata(dev, (void *) fifty_base_hpt370a);
- else if (hpt_minimum_revision(dev,5))
- pci_set_drvdata(dev, (void *) fifty_base_hpt372);
- else if (hpt_minimum_revision(dev,4))
- pci_set_drvdata(dev, (void *) fifty_base_hpt370a);
+ if (info->revision >= 8)
+ info->speed = fifty_base_hpt370a;
+ else if (info->revision >= 5)
+ info->speed = fifty_base_hpt372;
+ else if (info->revision >= 4)
+ info->speed = fifty_base_hpt370a;
else
- pci_set_drvdata(dev, (void *) fifty_base_hpt370a);
- printk("HPT37X: using 50MHz PCI clock\n");
+ info->speed = fifty_base_hpt370a;
+ printk(KERN_DEBUG "HPT37X: using 50MHz PCI clock\n");
} else {
- if (hpt_minimum_revision(dev,8))
- {
+ if (info->revision >= 8) {
printk(KERN_ERR "HPT37x: 66MHz timings are not supported.\n");
}
- else if (hpt_minimum_revision(dev,5))
- pci_set_drvdata(dev, (void *) sixty_six_base_hpt372);
- else if (hpt_minimum_revision(dev,4))
- pci_set_drvdata(dev, (void *) sixty_six_base_hpt370a);
+ else if (info->revision >= 5)
+ info->speed = sixty_six_base_hpt372;
+ else if (info->revision >= 4)
+ info->speed = sixty_six_base_hpt370a;
else
- pci_set_drvdata(dev, (void *) sixty_six_base_hpt370);
- printk("HPT37X: using 66MHz PCI clock\n");
+ info->speed = sixty_six_base_hpt370;
+ printk(KERN_DEBUG "HPT37X: using 66MHz PCI clock\n");
}
}
* result in slow reads when using a 33MHz PCI clock. we also
* don't like to use the PLL because it will cause glitches
* on PRST/SRST when the HPT state engine gets reset.
+ *
+ * ToDo: Use 66MHz PLL when ATA133 devices are present on a
+ * 372 device so we can get ATA133 support
*/
- if (pci_get_drvdata(dev))
+ if (info->speed)
goto init_hpt37X_done;
+
+ info->flags |= PLL_MODE;
/*
+ * FIXME: make this work correctly, esp with 372N as per
+ * reference driver code.
+ *
* adjust PLL based upon PCI clock, enable it, and wait for
* stabilization.
*/
pci_write_config_dword(dev, 0x5c,
pll & ~0x100);
pci_write_config_byte(dev, 0x5b, 0x21);
- if (hpt_minimum_revision(dev,8))
- pci_set_drvdata(dev, (void *) fifty_base_hpt370a);
- else if (hpt_minimum_revision(dev,5))
- pci_set_drvdata(dev, (void *) fifty_base_hpt372);
- else if (hpt_minimum_revision(dev,4))
- pci_set_drvdata(dev, (void *) fifty_base_hpt370a);
+ if (info->revision >= 8)
+ info->speed = fifty_base_hpt370a;
+ else if (info->revision >= 5)
+ info->speed = fifty_base_hpt372;
+ else if (info->revision >= 4)
+ info->speed = fifty_base_hpt370a;
else
- pci_set_drvdata(dev, (void *) fifty_base_hpt370a);
+ info->speed = fifty_base_hpt370a;
printk("HPT37X: using 50MHz internal PLL\n");
goto init_hpt37X_done;
}
}
+ if (!pci_get_drvdata(dev)) {
+ printk("No Clock Stabilization!!!\n");
+ return;
+ }
pll_recal:
if (adjust & 1)
pll -= (adjust >> 1);
}
init_hpt37X_done:
+ if (!info->speed)
+ printk(KERN_ERR "HPT37X%s: unknown bus timing [%d %d].\n",
+ (info->flags & IS_372N)?"N":"", pll, freq);
/* reset state engine */
pci_write_config_byte(dev, 0x50, 0x37);
pci_write_config_byte(dev, 0x54, 0x37);
udelay(100);
+}
+
+static int __devinit init_hpt37x(struct pci_dev *dev)
+{
+ u8 reg5ah;
+
+ pci_read_config_byte(dev, 0x5a, ®5ah);
+ /* interrupt force enable */
+ pci_write_config_byte(dev, 0x5a, (reg5ah & ~0x10));
return 0;
}
pci_write_config_byte(dev, 0x51, drive_fast & ~0x80);
pci_read_config_dword(dev, 0x40, ®1);
- /* detect bus speed by looking at control reg timing: */
- switch((reg1 >> 8) & 7) {
- case 5:
- pci_set_drvdata(dev, (void *) forty_base_hpt366);
- break;
- case 9:
- pci_set_drvdata(dev, (void *) twenty_five_base_hpt366);
- break;
- case 7:
- default:
- pci_set_drvdata(dev, (void *) thirty_three_base_hpt366);
- break;
- }
-
- if (!pci_get_drvdata(dev))
- {
- printk(KERN_ERR "hpt366: unknown bus timing.\n");
- pci_set_drvdata(dev, NULL);
- }
return 0;
}
static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const char *name)
{
int ret = 0;
- u8 test = 0;
+ /*
+ * FIXME: Not portable. Also, why do we enable the ROM in the first place?
+ * We don't seem to be using it.
+ */
if (dev->resource[PCI_ROM_RESOURCE].start)
- pci_write_config_byte(dev, PCI_ROM_ADDRESS,
+ pci_write_config_dword(dev, PCI_ROM_ADDRESS,
dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE);
- pci_read_config_byte(dev, PCI_CACHE_LINE_SIZE, &test);
- if (test != (L1_CACHE_BYTES / 4))
- pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE,
- (L1_CACHE_BYTES / 4));
+ pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4));
+ pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78);
+ pci_write_config_byte(dev, PCI_MIN_GNT, 0x08);
+ pci_write_config_byte(dev, PCI_MAX_LAT, 0x08);
- pci_read_config_byte(dev, PCI_LATENCY_TIMER, &test);
- if (test != 0x78)
- pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x78);
-
- pci_read_config_byte(dev, PCI_MIN_GNT, &test);
- if (test != 0x08)
- pci_write_config_byte(dev, PCI_MIN_GNT, 0x08);
-
- pci_read_config_byte(dev, PCI_MAX_LAT, &test);
- if (test != 0x08)
- pci_write_config_byte(dev, PCI_MAX_LAT, 0x08);
-
- if (hpt_minimum_revision(dev, 3)) {
+ if (hpt_revision(dev) >= 3)
ret = init_hpt37x(dev);
- } else {
- ret =init_hpt366(dev);
- }
+ else
+ ret = init_hpt366(dev);
+
if (ret)
return ret;
static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)
{
struct pci_dev *dev = hwif->pci_dev;
+ struct hpt_info *info = ide_get_hwifdata(hwif);
u8 ata66 = 0, regmask = (hwif->channel) ? 0x01 : 0x02;
- u8 did, rid;
- unsigned long dmabase = hwif->dma_base;
- int is_372n = 0;
-
- if(dmabase)
- {
- did = inb(dmabase + 0x22);
- rid = inb(dmabase + 0x28);
- if((did == 4 && rid == 6) || (did == 5 && rid > 1))
- is_372n = 1;
- }
-
hwif->tuneproc = &hpt3xx_tune_drive;
hwif->speedproc = &hpt3xx_tune_chipset;
hwif->quirkproc = &hpt3xx_quirkproc;
hwif->intrproc = &hpt3xx_intrproc;
hwif->maskproc = &hpt3xx_maskproc;
- if(is_372n)
+ if(info->flags & IS_372N)
hwif->rw_disk = &hpt372n_rw_disk;
/*
* address lines to access an external eeprom. To read valid
* cable detect state the pins must be enabled as inputs.
*/
- if (hpt_minimum_revision(dev, 8) && PCI_FUNC(dev->devfn) & 1) {
+ if (info->revision >= 8 && (PCI_FUNC(dev->devfn) & 1)) {
/*
* HPT374 PCI function 1
* - set bit 15 of reg 0x52 to enable TCBLID as input
pci_read_config_byte(dev, 0x5a, &ata66);
pci_write_config_word(dev, 0x52, mcr3);
pci_write_config_word(dev, 0x56, mcr6);
- } else if (hpt_minimum_revision(dev, 3)) {
+ } else if (info->revision >= 3) {
/*
* HPT370/372 and 374 pcifn 0
* - clear bit 0 of 0x5b to enable P/SCBLID as inputs
hwif->serialized = hwif->mate->serialized = 1;
#endif
- if (hpt_minimum_revision(dev,3)) {
+ if (info->revision >= 3) {
u8 reg5ah = 0;
pci_write_config_byte(dev, 0x5a, reg5ah & ~0x10);
/*
*/
hwif->resetproc = &hpt3xx_reset;
hwif->busproc = &hpt370_busproc;
-// hwif->drives[0].autotune = hwif->drives[1].autotune = 1;
- } else if (hpt_minimum_revision(dev,2)) {
+ } else if (info->revision >= 2) {
hwif->resetproc = &hpt3xx_reset;
hwif->busproc = &hpt3xx_tristate;
} else {
hwif->udma_four = ((ata66 & regmask) ? 0 : 1);
hwif->ide_dma_check = &hpt366_config_drive_xfer_rate;
- if (hpt_minimum_revision(dev,8)) {
+ if (info->revision >= 8) {
hwif->ide_dma_test_irq = &hpt374_ide_dma_test_irq;
hwif->ide_dma_end = &hpt374_ide_dma_end;
- } else if (hpt_minimum_revision(dev,5)) {
+ } else if (info->revision >= 5) {
hwif->ide_dma_test_irq = &hpt374_ide_dma_test_irq;
hwif->ide_dma_end = &hpt374_ide_dma_end;
- } else if (hpt_minimum_revision(dev,3)) {
+ } else if (info->revision >= 3) {
hwif->dma_start = &hpt370_ide_dma_start;
hwif->ide_dma_end = &hpt370_ide_dma_end;
hwif->ide_dma_timeout = &hpt370_ide_dma_timeout;
hwif->ide_dma_lostirq = &hpt370_ide_dma_lostirq;
- } else if (hpt_minimum_revision(dev,2))
+ } else if (info->revision >= 2)
hwif->ide_dma_lostirq = &hpt366_ide_dma_lostirq;
else
hwif->ide_dma_lostirq = &hpt366_ide_dma_lostirq;
static void __devinit init_dma_hpt366(ide_hwif_t *hwif, unsigned long dmabase)
{
+ struct hpt_info *info = ide_get_hwifdata(hwif);
u8 masterdma = 0, slavedma = 0;
u8 dma_new = 0, dma_old = 0;
u8 primary = hwif->channel ? 0x4b : 0x43;
if (!dmabase)
return;
- if(pci_get_drvdata(hwif->pci_dev) == NULL)
- {
+ if(info->speed == NULL) {
printk(KERN_WARNING "hpt: no known IDE timings, disabling DMA.\n");
return;
}
ide_setup_dma(hwif, dmabase, 8);
}
+/*
+ * We "borrow" this hook in order to set the data structures
+ * up early enough before dma or init_hwif calls are made.
+ */
+
+static void __devinit init_iops_hpt366(ide_hwif_t *hwif)
+{
+ struct hpt_info *info = kzalloc(sizeof(struct hpt_info), GFP_KERNEL);
+ unsigned long dmabase = pci_resource_start(hwif->pci_dev, 4);
+ u8 did, rid;
+
+ if(info == NULL) {
+ printk(KERN_WARNING "hpt366: out of memory.\n");
+ return;
+ }
+ ide_set_hwifdata(hwif, info);
+
+ if(dmabase) {
+ did = inb(dmabase + 0x22);
+ rid = inb(dmabase + 0x28);
+
+ if((did == 4 && rid == 6) || (did == 5 && rid > 1))
+ info->flags |= IS_372N;
+ }
+
+ info->revision = hpt_revision(hwif->pci_dev);
+
+ if (info->revision >= 3)
+ hpt37x_clocking(hwif);
+ else
+ hpt366_clocking(hwif);
+}
+
static int __devinit init_setup_hpt374(struct pci_dev *dev, ide_pci_device_t *d)
{
struct pci_dev *findev = NULL;
.name = "HPT366",
.init_setup = init_setup_hpt366,
.init_chipset = init_chipset_hpt366,
+ .init_iops = init_iops_hpt366,
.init_hwif = init_hwif_hpt366,
.init_dma = init_dma_hpt366,
.channels = 2,
.name = "HPT372A",
.init_setup = init_setup_hpt37x,
.init_chipset = init_chipset_hpt366,
+ .init_iops = init_iops_hpt366,
.init_hwif = init_hwif_hpt366,
.init_dma = init_dma_hpt366,
.channels = 2,
.name = "HPT302",
.init_setup = init_setup_hpt37x,
.init_chipset = init_chipset_hpt366,
+ .init_iops = init_iops_hpt366,
.init_hwif = init_hwif_hpt366,
.init_dma = init_dma_hpt366,
.channels = 2,
.name = "HPT371",
.init_setup = init_setup_hpt37x,
.init_chipset = init_chipset_hpt366,
+ .init_iops = init_iops_hpt366,
.init_hwif = init_hwif_hpt366,
.init_dma = init_dma_hpt366,
.channels = 2,
.name = "HPT374",
.init_setup = init_setup_hpt374,
.init_chipset = init_chipset_hpt366,
+ .init_iops = init_iops_hpt366,
.init_hwif = init_hwif_hpt366,
.init_dma = init_dma_hpt366,
.channels = 2, /* 4 */
.name = "HPT372N",
.init_setup = init_setup_hpt37x,
.init_chipset = init_chipset_hpt366,
+ .init_iops = init_iops_hpt366,
.init_hwif = init_hwif_hpt366,
.init_dma = init_dma_hpt366,
.channels = 2, /* 4 */
git://git.onelab.eu / linux-2.6.git / blobdiff