vserver 1.9.5.x5
[linux-2.6.git] / drivers / ide / pci / piix.c
index c4161a5..b5a20ae 100644 (file)
 
 #include <asm/io.h>
 
-#include "piix.h"
-
 static int no_piix_dma;
-#if defined(DISPLAY_PIIX_TIMINGS) && defined(CONFIG_PROC_FS)
-#include <linux/stat.h>
-#include <linux/proc_fs.h>
-
-static u8 piix_proc = 0;
-#define PIIX_MAX_DEVS          5
-static struct pci_dev *piix_devs[PIIX_MAX_DEVS];
-static int n_piix_devs;
-
-/**
- *     piix_get_info           -       fill in /proc for PIIX ide
- *     @buffer: buffer to fill
- *     @addr: address of user start in buffer
- *     @offset: offset into 'file'
- *     @count: buffer count
- *
- *     Walks the PIIX devices and outputs summary data on the tuning and
- *     anything else that will help with debugging
- */
-static int piix_get_info (char *buffer, char **addr, off_t offset, int count)
-{
-       char *p = buffer;
-       int i;
-
-       for (i = 0; i < n_piix_devs; i++) {
-               struct pci_dev *dev     = piix_devs[i];
-               unsigned long bibma = pci_resource_start(dev, 4);
-               u16 reg40 = 0, psitre = 0, reg42 = 0, ssitre = 0;
-               u8  c0 = 0, c1 = 0, reg54 = 0, reg55 = 0;
-               u8  reg44 = 0, reg48 = 0, reg4a = 0, reg4b = 0;
-
-               p += sprintf(p, "\nController: %d\n", i);
-               p += sprintf(p, "\n                                Intel ");
-               switch(dev->device) {
-                       case PCI_DEVICE_ID_INTEL_82801EB_1:
-                               p += sprintf(p, "PIIX4 SATA 150 ");
-                               break;
-                       case PCI_DEVICE_ID_INTEL_82801BA_8:
-                       case PCI_DEVICE_ID_INTEL_82801BA_9:
-                       case PCI_DEVICE_ID_INTEL_82801CA_10:
-                       case PCI_DEVICE_ID_INTEL_82801CA_11:
-                       case PCI_DEVICE_ID_INTEL_82801DB_10:
-                       case PCI_DEVICE_ID_INTEL_82801DB_11:
-                       case PCI_DEVICE_ID_INTEL_82801EB_11:
-                       case PCI_DEVICE_ID_INTEL_82801E_11:
-                       case PCI_DEVICE_ID_INTEL_ESB_2:
-                       case PCI_DEVICE_ID_INTEL_ICH6_19:
-                               p += sprintf(p, "PIIX4 Ultra 100 ");
-                               break;
-                       case PCI_DEVICE_ID_INTEL_82372FB_1:
-                       case PCI_DEVICE_ID_INTEL_82801AA_1:
-                               p += sprintf(p, "PIIX4 Ultra 66 ");
-                               break;
-                       case PCI_DEVICE_ID_INTEL_82451NX:
-                       case PCI_DEVICE_ID_INTEL_82801AB_1:
-                       case PCI_DEVICE_ID_INTEL_82443MX_1:
-                       case PCI_DEVICE_ID_INTEL_82371AB:
-                               p += sprintf(p, "PIIX4 Ultra 33 ");
-                               break;
-                       case PCI_DEVICE_ID_INTEL_82371SB_1:
-                               p += sprintf(p, "PIIX3 ");
-                               break;
-                       case PCI_DEVICE_ID_INTEL_82371MX:
-                               p += sprintf(p, "MPIIX ");
-                               break;
-                       case PCI_DEVICE_ID_INTEL_82371FB_1:
-                       case PCI_DEVICE_ID_INTEL_82371FB_0:
-                       default:
-                               p += sprintf(p, "PIIX ");
-                               break;
-               }
-               p += sprintf(p, "Chipset.\n");
-
-               if (dev->device == PCI_DEVICE_ID_INTEL_82371MX)
-                       continue;
-
-               pci_read_config_word(dev, 0x40, &reg40);
-               pci_read_config_word(dev, 0x42, &reg42);
-               pci_read_config_byte(dev, 0x44, &reg44);
-               pci_read_config_byte(dev, 0x48, &reg48);
-               pci_read_config_byte(dev, 0x4a, &reg4a);
-               pci_read_config_byte(dev, 0x4b, &reg4b);
-               pci_read_config_byte(dev, 0x54, &reg54);
-               pci_read_config_byte(dev, 0x55, &reg55);
-
-               psitre = (reg40 & 0x4000) ? 1 : 0;
-               ssitre = (reg42 & 0x4000) ? 1 : 0;
-
-               /*
-                * at that point bibma+0x2 et bibma+0xa are byte registers
-                * to investigate:
-                */
-               c0 = inb(bibma + 0x02);
-               c1 = inb(bibma + 0x0a);
-
-               p += sprintf(p, "--------------- Primary Channel "
-                               "---------------- Secondary Channel "
-                               "-------------\n");
-               p += sprintf(p, "                %sabled "
-                               "                        %sabled\n",
-                               (c0&0x80) ? "dis" : " en",
-                               (c1&0x80) ? "dis" : " en");
-               p += sprintf(p, "--------------- drive0 --------- drive1 "
-                               "-------- drive0 ---------- drive1 ------\n");
-               p += sprintf(p, "DMA enabled:    %s              %s "
-                               "            %s               %s\n",
-                               (c0&0x20) ? "yes" : "no ",
-                               (c0&0x40) ? "yes" : "no ",
-                               (c1&0x20) ? "yes" : "no ",
-                               (c1&0x40) ? "yes" : "no " );
-               p += sprintf(p, "UDMA enabled:   %s              %s "
-                               "            %s               %s\n",
-                               (reg48&0x01) ? "yes" : "no ",
-                               (reg48&0x02) ? "yes" : "no ",
-                               (reg48&0x04) ? "yes" : "no ",
-                               (reg48&0x08) ? "yes" : "no " );
-               p += sprintf(p, "UDMA enabled:   %s                %s "
-                               "              %s                 %s\n",
-                               ((reg54&0x11) &&
-                                (reg55&0x10) && (reg4a&0x01)) ? "5" :
-                               ((reg54&0x11) && (reg4a&0x02)) ? "4" :
-                               ((reg54&0x11) && (reg4a&0x01)) ? "3" :
-                               (reg4a&0x02) ? "2" :
-                               (reg4a&0x01) ? "1" :
-                               (reg4a&0x00) ? "0" : "X",
-                               ((reg54&0x22) &&
-                                (reg55&0x20) && (reg4a&0x10)) ? "5" :
-                               ((reg54&0x22) && (reg4a&0x20)) ? "4" :
-                               ((reg54&0x22) && (reg4a&0x10)) ? "3" :
-                               (reg4a&0x20) ? "2" :
-                               (reg4a&0x10) ? "1" :
-                               (reg4a&0x00) ? "0" : "X",
-                               ((reg54&0x44) &&
-                                (reg55&0x40) && (reg4b&0x03)) ? "5" :
-                               ((reg54&0x44) && (reg4b&0x02)) ? "4" :
-                               ((reg54&0x44) && (reg4b&0x01)) ? "3" :
-                               (reg4b&0x02) ? "2" :
-                               (reg4b&0x01) ? "1" :
-                               (reg4b&0x00) ? "0" : "X",
-                               ((reg54&0x88) &&
-                                (reg55&0x80) && (reg4b&0x30)) ? "5" :
-                               ((reg54&0x88) && (reg4b&0x20)) ? "4" :
-                               ((reg54&0x88) && (reg4b&0x10)) ? "3" :
-                               (reg4b&0x20) ? "2" :
-                               (reg4b&0x10) ? "1" :
-                               (reg4b&0x00) ? "0" : "X");
-
-               p += sprintf(p, "UDMA\n");
-               p += sprintf(p, "DMA\n");
-               p += sprintf(p, "PIO\n");
-
-               /*
-                * FIXME.... Add configuration junk data....blah blah......
-                */
-       }
-       return p-buffer;         /* => must be less than 4k! */
-}
-#endif  /* defined(DISPLAY_PIIX_TIMINGS) && defined(CONFIG_PROC_FS) */
 
 /**
  *     piix_ratemask           -       compute rate mask for PIIX IDE
@@ -288,11 +127,13 @@ static u8 piix_ratemask (ide_drive_t *drive)
                case PCI_DEVICE_ID_INTEL_82801CA_10:
                case PCI_DEVICE_ID_INTEL_82801CA_11:
                case PCI_DEVICE_ID_INTEL_82801E_11:
+               case PCI_DEVICE_ID_INTEL_82801DB_1:
                case PCI_DEVICE_ID_INTEL_82801DB_10:
                case PCI_DEVICE_ID_INTEL_82801DB_11:
                case PCI_DEVICE_ID_INTEL_82801EB_11:
                case PCI_DEVICE_ID_INTEL_ESB_2:
                case PCI_DEVICE_ID_INTEL_ICH6_19:
+               case PCI_DEVICE_ID_INTEL_ICH7_21:
                        mode = 3;
                        break;
                /* UDMA 66 capable */
@@ -562,25 +403,11 @@ static int piix_config_drive_xfer_rate (ide_drive_t *drive)
 
        if ((id->capability & 1) && drive->autodma) {
 
-               /* Consult the list of known "bad" drives */
-               if (__ide_dma_bad_drive(drive))
-                       goto fast_ata_pio;
-
-               /**
-                * Try to turn DMA on if:
-                *  - UDMA or EIDE modes are supported or
-                *  - drive is a known "good" drive
-                *
-                * Checks for best mode supported are down later by
-                * piix_config_drive_for_dma() -> ide_dma_speed()
-                */
-               if ((id->field_valid & (4 | 2)) ||
-                   (__ide_dma_good_drive(drive) && id->eide_dma_time < 150)) {
+               if (ide_use_dma(drive)) {
                        if (piix_config_drive_for_dma(drive))
                                return hwif->ide_dma_on(drive);
                }
 
-               /* For some reason DMA wasn't turned on, so try PIO. */
                goto fast_ata_pio;
 
        } else if ((id->capability & 8) || (id->field_valid & 2)) {
@@ -612,12 +439,14 @@ static unsigned int __devinit init_chipset_piix (struct pci_dev *dev, const char
                case PCI_DEVICE_ID_INTEL_82801BA_9:
                case PCI_DEVICE_ID_INTEL_82801CA_10:
                case PCI_DEVICE_ID_INTEL_82801CA_11:
+               case PCI_DEVICE_ID_INTEL_82801DB_1:
                case PCI_DEVICE_ID_INTEL_82801DB_10:
                case PCI_DEVICE_ID_INTEL_82801DB_11:
                case PCI_DEVICE_ID_INTEL_82801EB_11:
                case PCI_DEVICE_ID_INTEL_82801E_11:
                case PCI_DEVICE_ID_INTEL_ESB_2:
                case PCI_DEVICE_ID_INTEL_ICH6_19:
+               case PCI_DEVICE_ID_INTEL_ICH7_21:
                {
                        unsigned int extra = 0;
                        pci_read_config_dword(dev, 0x54, &extra);
@@ -627,14 +456,6 @@ static unsigned int __devinit init_chipset_piix (struct pci_dev *dev, const char
                        break;
        }
 
-#if defined(DISPLAY_PIIX_TIMINGS) && defined(CONFIG_PROC_FS)
-       piix_devs[n_piix_devs++] = dev;
-
-       if (!piix_proc) {
-               piix_proc = 1;
-               ide_pci_create_host_proc("piix", piix_get_info);
-       }
-#endif /* DISPLAY_PIIX_TIMINGS && CONFIG_PROC_FS */
        return 0;
 }
 
@@ -707,19 +528,51 @@ static void __devinit init_hwif_piix(ide_hwif_t *hwif)
        hwif->drives[0].autodma = hwif->autodma;
 }
 
-/**
- *     init_setup_piix         -       callback for IDE initialize
- *     @dev: PIIX PCI device
- *     @d: IDE pci info
- *
- *     Enable the xp fixup for the PIIX controller and then perform
- *     a standard ide PCI setup
- */
+#define DECLARE_PIIX_DEV(name_str) \
+       {                                               \
+               .name           = name_str,             \
+               .init_chipset   = init_chipset_piix,    \
+               .init_hwif      = init_hwif_piix,       \
+               .channels       = 2,                    \
+               .autodma        = AUTODMA,              \
+               .enablebits     = {{0x41,0x80,0x80}, {0x43,0x80,0x80}}, \
+               .bootable       = ON_BOARD,             \
+       }
 
-static void __devinit init_setup_piix(struct pci_dev *dev, ide_pci_device_t *d)
-{
-       ide_setup_pci_device(dev, d);
-}
+static ide_pci_device_t piix_pci_info[] __devinitdata = {
+       /*  0 */ DECLARE_PIIX_DEV("PIIXa"),
+       /*  1 */ DECLARE_PIIX_DEV("PIIXb"),
+
+       {       /* 2 */
+               .name           = "MPIIX",
+               .init_hwif      = init_hwif_piix,
+               .channels       = 2,
+               .autodma        = NODMA,
+               .enablebits     = {{0x6D,0x80,0x80}, {0x6F,0x80,0x80}},
+               .bootable       = ON_BOARD,
+       },
+
+       /*  3 */ DECLARE_PIIX_DEV("PIIX3"),
+       /*  4 */ DECLARE_PIIX_DEV("PIIX4"),
+       /*  5 */ DECLARE_PIIX_DEV("ICH0"),
+       /*  6 */ DECLARE_PIIX_DEV("PIIX4"),
+       /*  7 */ DECLARE_PIIX_DEV("ICH"),
+       /*  8 */ DECLARE_PIIX_DEV("PIIX4"),
+       /*  9 */ DECLARE_PIIX_DEV("PIIX4"),
+       /* 10 */ DECLARE_PIIX_DEV("ICH2"),
+       /* 11 */ DECLARE_PIIX_DEV("ICH2M"),
+       /* 12 */ DECLARE_PIIX_DEV("ICH3M"),
+       /* 13 */ DECLARE_PIIX_DEV("ICH3"),
+       /* 14 */ DECLARE_PIIX_DEV("ICH4"),
+       /* 15 */ DECLARE_PIIX_DEV("ICH5"),
+       /* 16 */ DECLARE_PIIX_DEV("C-ICH"),
+       /* 17 */ DECLARE_PIIX_DEV("ICH4"),
+       /* 18 */ DECLARE_PIIX_DEV("ICH5-SATA"),
+       /* 19 */ DECLARE_PIIX_DEV("ICH5"),
+       /* 20 */ DECLARE_PIIX_DEV("ICH6"),
+       /* 21 */ DECLARE_PIIX_DEV("ICH7"),
+       /* 22 */ DECLARE_PIIX_DEV("ICH4"),
+};
 
 /**
  *     piix_init_one   -       called when a PIIX is found
@@ -734,8 +587,7 @@ static int __devinit piix_init_one(struct pci_dev *dev, const struct pci_device_
 {
        ide_pci_device_t *d = &piix_pci_info[id->driver_data];
 
-       d->init_setup(dev, d);
-       return 0;
+       return ide_setup_pci_device(dev, d);
 }
 
 /**
@@ -793,6 +645,8 @@ static struct pci_device_id piix_pci_tbl[] = {
 #endif
        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 19},
        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH6_19, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 20},
+       { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_21, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 21},
+       { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 22},
        { 0, },
 };
 MODULE_DEVICE_TABLE(pci, piix_pci_tbl);