Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / drivers / ide / pci / sis5513.c

diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 6c56f56..8e9d877 100644 (file)
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -63,7 +63,8 @@
 #include <asm/irq.h>
 
 #include "ide-timing.h"
-#include "sis5513.h"
+
+#define DISPLAY_SIS_TIMINGS
 
 /* registers layout and init values are chipset family dependant */
 
@@ -86,6 +87,7 @@ static const struct {
        u8 chipset_family;
        u8 flags;
 } SiSHostChipInfo[] = {
+       { "SiS965",     PCI_DEVICE_ID_SI_965,   ATA_133  },
        { "SiS745",     PCI_DEVICE_ID_SI_745,   ATA_100  },
        { "SiS735",     PCI_DEVICE_ID_SI_735,   ATA_100  },
        { "SiS733",     PCI_DEVICE_ID_SI_733,   ATA_100  },
@@ -110,6 +112,7 @@ static const struct {
 
        { "SiS5596",    PCI_DEVICE_ID_SI_5596,  ATA_16   },
        { "SiS5571",    PCI_DEVICE_ID_SI_5571,  ATA_16   },
+       { "SiS5517",    PCI_DEVICE_ID_SI_5517,  ATA_16   },
        { "SiS551x",    PCI_DEVICE_ID_SI_5511,  ATA_16   },
 };
 
@@ -522,6 +525,7 @@ static void config_art_rwp_pio (ide_drive_t *drive, u8 pio)
                        case 3:         test1 = 0x30|0x03; break;
                        case 2:         test1 = 0x40|0x04; break;
                        case 1:         test1 = 0x60|0x07; break;
+                       case 0:         test1 = 0x00; break;
                        default:        break;
                }
                pci_write_config_byte(dev, drive_pci, test1);
@@ -670,36 +674,16 @@ static int sis5513_config_drive_xfer_rate (ide_drive_t *drive)
        drive->init_speed = 0;
 
        if (id && (id->capability & 1) && drive->autodma) {
-               /* Consult the list of known "bad" drives */
-               if (__ide_dma_bad_drive(drive))
-                       goto fast_ata_pio;
-               if (id->field_valid & 4) {
-                       if (id->dma_ultra & hwif->ultra_mask) {
-                               /* Force if Capable UltraDMA */
-                               int dma = config_chipset_for_dma(drive);
-                               if ((id->field_valid & 2) && !dma)
-                                       goto try_dma_modes;
-                       }
-               } else if (id->field_valid & 2) {
-try_dma_modes:
-                       if ((id->dma_mword & hwif->mwdma_mask) ||
-                           (id->dma_1word & hwif->swdma_mask)) {
-                               /* Force if Capable regular DMA modes */
-                               if (!config_chipset_for_dma(drive))
-                                       goto no_dma_set;
-                       }
-               } else if (__ide_dma_good_drive(drive) &&
-                          (id->eide_dma_time < 150)) {
-                       /* Consult the list of known "good" drives */
-                       if (!config_chipset_for_dma(drive))
-                               goto no_dma_set;
-               } else {
-                       goto fast_ata_pio;
+
+               if (ide_use_dma(drive)) {
+                       if (config_chipset_for_dma(drive))
+                               return hwif->ide_dma_on(drive);
                }
-               return hwif->ide_dma_on(drive);
+
+               goto fast_ata_pio;
+
        } else if ((id->capability & 8) || (id->field_valid & 2)) {
 fast_ata_pio:
-no_dma_set:
                sis5513_tune_drive(drive, 5);
                return hwif->ide_dma_off_quietly(drive);
        }
@@ -745,7 +729,7 @@ static int sis5513_config_xfer_rate (ide_drive_t *drive)
 */
 
 /* Chip detection and general config */
-static unsigned int __init init_chipset_sis5513 (struct pci_dev *dev, const char *name)
+static unsigned int __devinit init_chipset_sis5513 (struct pci_dev *dev, const char *name)
 {
        struct pci_dev *host;
        int i = 0;
@@ -787,6 +771,15 @@ static unsigned int __init init_chipset_sis5513 (struct pci_dev *dev, const char
                        if (trueid == 0x5518) {
                                printk(KERN_INFO "SIS5513: SiS 962/963 MuTIOL IDE UDMA133 controller\n");
                                chipset_family = ATA_133;
+
+                               /* Check for 5513 compability mapping
+                                * We must use this, else the port enabled code will fail,
+                                * as it expects the enablebits at 0x4a.
+                                */
+                               if ((idemisc & 0x40000000) == 0) {
+                                       pci_write_config_dword(dev, 0x54, idemisc | 0x40000000);
+                                       printk(KERN_INFO "SIS5513: Switching to 5513 register mapping\n");
+                               }
                        }
        }
 
@@ -889,7 +882,7 @@ static unsigned int __init init_chipset_sis5513 (struct pci_dev *dev, const char
        return 0;
 }
 
-static unsigned int __init ata66_sis5513 (ide_hwif_t *hwif)
+static unsigned int __devinit ata66_sis5513 (ide_hwif_t *hwif)
 {
        u8 ata66 = 0;
 
@@ -907,7 +900,7 @@ static unsigned int __init ata66_sis5513 (ide_hwif_t *hwif)
         return ata66;
 }
 
-static void __init init_hwif_sis5513 (ide_hwif_t *hwif)
+static void __devinit init_hwif_sis5513 (ide_hwif_t *hwif)
 {
        hwif->autodma = 0;
 
@@ -944,23 +937,30 @@ static void __init init_hwif_sis5513 (ide_hwif_t *hwif)
        return;
 }
 
+static ide_pci_device_t sis5513_chipset __devinitdata = {
+       .name           = "SIS5513",
+       .init_chipset   = init_chipset_sis5513,
+       .init_hwif      = init_hwif_sis5513,
+       .channels       = 2,
+       .autodma        = NOAUTODMA,
+       .enablebits     = {{0x4a,0x02,0x02}, {0x4a,0x04,0x04}},
+       .bootable       = ON_BOARD,
+};
+
 static int __devinit sis5513_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-       ide_pci_device_t *d = &sis5513_chipsets[id->driver_data];
-       if (dev->device != d->device)
-               BUG();
-       ide_setup_pci_device(dev, d);
-       return 0;
+       return ide_setup_pci_device(dev, &sis5513_chipset);
 }
 
 static struct pci_device_id sis5513_pci_tbl[] = {
        { PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5513, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
+       { PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_5518, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
        { 0, },
 };
 MODULE_DEVICE_TABLE(pci, sis5513_pci_tbl);
 
 static struct pci_driver driver = {
-       .name           = "SIS IDE",
+       .name           = "SIS_IDE",
        .id_table       = sis5513_pci_tbl,
        .probe          = sis5513_init_one,
 };