sis5513.c
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上传日期:2013-02-24
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- /*
- * linux/drivers/ide/sis5513.c Version 0.11 June 9, 2000
- *
- * Copyright (C) 1999-2000 Andre Hedrick <andre@linux-ide.org>
- * May be copied or modified under the terms of the GNU General Public License
- *
- * Thanks to SIS Taiwan for direct support and hardware.
- * Tested and designed on the SiS620/5513 chipset.
- */
- #include <linux/config.h>
- #include <linux/types.h>
- #include <linux/kernel.h>
- #include <linux/delay.h>
- #include <linux/timer.h>
- #include <linux/mm.h>
- #include <linux/ioport.h>
- #include <linux/blkdev.h>
- #include <linux/hdreg.h>
- #include <linux/interrupt.h>
- #include <linux/pci.h>
- #include <linux/init.h>
- #include <linux/ide.h>
- #include <asm/io.h>
- #include <asm/irq.h>
- #include "ide_modes.h"
- #define DISPLAY_SIS_TIMINGS
- #define SIS5513_DEBUG_DRIVE_INFO 0
- static struct pci_dev *host_dev = NULL;
- #define SIS5513_FLAG_ATA_00 0x00000000
- #define SIS5513_FLAG_ATA_16 0x00000001
- #define SIS5513_FLAG_ATA_33 0x00000002
- #define SIS5513_FLAG_ATA_66 0x00000004
- #define SIS5513_FLAG_LATENCY 0x00000010
- static const struct {
- const char *name;
- unsigned short host_id;
- unsigned int flags;
- } SiSHostChipInfo[] = {
- { "SiS530", PCI_DEVICE_ID_SI_530, SIS5513_FLAG_ATA_66, },
- { "SiS540", PCI_DEVICE_ID_SI_540, SIS5513_FLAG_ATA_66, },
- { "SiS620", PCI_DEVICE_ID_SI_620, SIS5513_FLAG_ATA_66|SIS5513_FLAG_LATENCY, },
- { "SiS630", PCI_DEVICE_ID_SI_630, SIS5513_FLAG_ATA_66|SIS5513_FLAG_LATENCY, },
- { "SiS635", PCI_DEVICE_ID_SI_635, SIS5513_FLAG_ATA_66|SIS5513_FLAG_LATENCY, },
- { "SiS640", PCI_DEVICE_ID_SI_640, SIS5513_FLAG_ATA_66|SIS5513_FLAG_LATENCY, },
- { "SiS645", PCI_DEVICE_ID_SI_645, SIS5513_FLAG_ATA_66|SIS5513_FLAG_LATENCY, },
- { "SiS650", PCI_DEVICE_ID_SI_650, SIS5513_FLAG_ATA_66|SIS5513_FLAG_LATENCY, },
- { "SiS730", PCI_DEVICE_ID_SI_730, SIS5513_FLAG_ATA_66|SIS5513_FLAG_LATENCY, },
- { "SiS735", PCI_DEVICE_ID_SI_735, SIS5513_FLAG_ATA_66|SIS5513_FLAG_LATENCY, },
- { "SiS740", PCI_DEVICE_ID_SI_740, SIS5513_FLAG_ATA_66|SIS5513_FLAG_LATENCY, },
- { "SiS745", PCI_DEVICE_ID_SI_745, SIS5513_FLAG_ATA_66|SIS5513_FLAG_LATENCY, },
- { "SiS750", PCI_DEVICE_ID_SI_750, SIS5513_FLAG_ATA_66|SIS5513_FLAG_LATENCY, },
- { "SiS5591", PCI_DEVICE_ID_SI_5591, SIS5513_FLAG_ATA_33, },
- { "SiS5597", PCI_DEVICE_ID_SI_5597, SIS5513_FLAG_ATA_33, },
- { "SiS5600", PCI_DEVICE_ID_SI_5600, SIS5513_FLAG_ATA_33, },
- { "SiS5511", PCI_DEVICE_ID_SI_5511, SIS5513_FLAG_ATA_16, },
- };
- #if 0
- static struct _pio_mode_mapping {
- byte data_active;
- byte recovery;
- byte pio_mode;
- } pio_mode_mapping[] = {
- { 8, 12, 0 },
- { 6, 7, 1 },
- { 4, 4, 2 },
- { 3, 3, 3 },
- { 3, 1, 4 }
- };
- static struct _dma_mode_mapping {
- byte data_active;
- byte recovery;
- byte dma_mode;
- } dma_mode_mapping[] = {
- { 8, 8, 0 },
- { 3, 2, 1 },
- { 3, 1, 2 }
- };
- static struct _udma_mode_mapping {
- byte cycle_time;
- char * udma_mode;
- } udma_mode_mapping[] = {
- { 8, "Mode 0" },
- { 6, "Mode 1" },
- { 4, "Mode 2" },
- { 3, "Mode 3" },
- { 2, "Mode 4" },
- { 0, "Mode 5" }
- };
- static __inline__ char * find_udma_mode (byte cycle_time)
- {
- int n;
-
- for (n = 0; n <= 4; n++)
- if (udma_mode_mapping[n].cycle_time <= cycle_time)
- return udma_mode_mapping[n].udma_mode;
- return udma_mode_mapping[4].udma_mode;
- }
- #endif
- #if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS)
- #include <linux/stat.h>
- #include <linux/proc_fs.h>
- static int sis_get_info(char *, char **, off_t, int);
- extern int (*sis_display_info)(char *, char **, off_t, int); /* ide-proc.c */
- static struct pci_dev *bmide_dev;
- static char *cable_type[] = {
- "80 pins",
- "40 pins"
- };
- static char *recovery_time [] ={
- "12 PCICLK", "1 PCICLK",
- "2 PCICLK", "3 PCICLK",
- "4 PCICLK", "5 PCICLCK",
- "6 PCICLK", "7 PCICLCK",
- "8 PCICLK", "9 PCICLCK",
- "10 PCICLK", "11 PCICLK",
- "13 PCICLK", "14 PCICLK",
- "15 PCICLK", "15 PCICLK"
- };
- static char * cycle_time [] = {
- "2 CLK", "2 CLK",
- "3 CLK", "4 CLK",
- "5 CLK", "6 CLK",
- "7 CLK", "8 CLK"
- };
- static char * active_time [] = {
- "8 PCICLK", "1 PCICLCK",
- "2 PCICLK", "2 PCICLK",
- "4 PCICLK", "5 PCICLK",
- "6 PCICLK", "12 PCICLK"
- };
- static int sis_get_info (char *buffer, char **addr, off_t offset, int count)
- {
- int rc;
- char *p = buffer;
- byte reg,reg1;
- u16 reg2, reg3;
- p += sprintf(p, "--------------- Primary Channel ---------------- Secondary Channel -------------n");
- rc = pci_read_config_byte(bmide_dev, 0x4a, ®);
- p += sprintf(p, "Channel Status: %s t t t t %s n",
- (reg & 0x02) ? "On" : "Off",
- (reg & 0x04) ? "On" : "Off");
-
- rc = pci_read_config_byte(bmide_dev, 0x09, ®);
- p += sprintf(p, "Operation Mode: %s t t t %s n",
- (reg & 0x01) ? "Native" : "Compatible",
- (reg & 0x04) ? "Native" : "Compatible");
-
- rc = pci_read_config_byte(bmide_dev, 0x48, ®);
- p += sprintf(p, "Cable Type: %s t t t %sn",
- (reg & 0x10) ? cable_type[1] : cable_type[0],
- (reg & 0x20) ? cable_type[1] : cable_type[0]);
-
- rc = pci_read_config_word(bmide_dev, 0x4c, ®2);
- rc = pci_read_config_word(bmide_dev, 0x4e, ®3);
- p += sprintf(p, "Prefetch Count: %d t t t t %dn",
- reg2, reg3);
- rc = pci_read_config_byte(bmide_dev, 0x4b, ®);
- p += sprintf(p, "Drive 0: Postwrite %s t t Postwrite %sn",
- (reg & 0x10) ? "Enabled" : "Disabled",
- (reg & 0x40) ? "Enabled" : "Disabled");
- p += sprintf(p, " Prefetch %s t t Prefetch %sn",
- (reg & 0x01) ? "Enabled" : "Disabled",
- (reg & 0x04) ? "Enabled" : "Disabled");
-
- rc = pci_read_config_byte(bmide_dev, 0x41, ®);
- rc = pci_read_config_byte(bmide_dev, 0x45, ®1);
- p += sprintf(p, " UDMA %s t t t UDMA %sn",
- (reg & 0x80) ? "Enabled" : "Disabled",
- (reg1 & 0x80) ? "Enabled" : "Disabled");
- p += sprintf(p, " UDMA Cycle Time %s t UDMA Cycle Time %sn",
- cycle_time[(reg & 0x70) >> 4], cycle_time[(reg1 & 0x70) >> 4]);
- p += sprintf(p, " Data Active Time %s t Data Active Time %sn",
- active_time[(reg & 0x07)], active_time[(reg1 &0x07)] );
- rc = pci_read_config_byte(bmide_dev, 0x40, ®);
- rc = pci_read_config_byte(bmide_dev, 0x44, ®1);
- p += sprintf(p, " Data Recovery Time %s t Data Recovery Time %sn",
- recovery_time[(reg & 0x0f)], recovery_time[(reg1 & 0x0f)]);
- rc = pci_read_config_byte(bmide_dev, 0x4b, ®);
- p += sprintf(p, "Drive 1: Postwrite %s t t Postwrite %sn",
- (reg & 0x20) ? "Enabled" : "Disabled",
- (reg & 0x80) ? "Enabled" : "Disabled");
- p += sprintf(p, " Prefetch %s t t Prefetch %sn",
- (reg & 0x02) ? "Enabled" : "Disabled",
- (reg & 0x08) ? "Enabled" : "Disabled");
- rc = pci_read_config_byte(bmide_dev, 0x43, ®);
- rc = pci_read_config_byte(bmide_dev, 0x47, ®1);
- p += sprintf(p, " UDMA %s t t t UDMA %sn",
- (reg & 0x80) ? "Enabled" : "Disabled",
- (reg1 & 0x80) ? "Enabled" : "Disabled");
- p += sprintf(p, " UDMA Cycle Time %s t UDMA Cycle Time %sn",
- cycle_time[(reg & 0x70) >> 4], cycle_time[(reg1 & 0x70) >> 4]);
- p += sprintf(p, " Data Active Time %s t Data Active Time %sn",
- active_time[(reg & 0x07)], active_time[(reg1 &0x07)] );
- rc = pci_read_config_byte(bmide_dev, 0x42, ®);
- rc = pci_read_config_byte(bmide_dev, 0x46, ®1);
- p += sprintf(p, " Data Recovery Time %s t Data Recovery Time %sn",
- recovery_time[(reg & 0x0f)], recovery_time[(reg1 & 0x0f)]);
- return p-buffer;
- }
- #endif /* defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS) */
- byte sis_proc = 0;
- extern char *ide_xfer_verbose (byte xfer_rate);
- static void config_drive_art_rwp (ide_drive_t *drive)
- {
- ide_hwif_t *hwif = HWIF(drive);
- struct pci_dev *dev = hwif->pci_dev;
- byte reg4bh = 0;
- byte rw_prefetch = (0x11 << drive->dn);
- pci_read_config_byte(dev, 0x4b, ®4bh);
- if (drive->media != ide_disk)
- return;
-
- if ((reg4bh & rw_prefetch) != rw_prefetch)
- pci_write_config_byte(dev, 0x4b, reg4bh|rw_prefetch);
- }
- static void config_art_rwp_pio (ide_drive_t *drive, byte pio)
- {
- ide_hwif_t *hwif = HWIF(drive);
- struct pci_dev *dev = hwif->pci_dev;
- byte timing, drive_pci, test1, test2;
- unsigned short eide_pio_timing[6] = {600, 390, 240, 180, 120, 90};
- unsigned short xfer_pio = drive->id->eide_pio_modes;
- config_drive_art_rwp(drive);
- pio = ide_get_best_pio_mode(drive, 255, pio, NULL);
- if (xfer_pio> 4)
- xfer_pio = 0;
- if (drive->id->eide_pio_iordy > 0) {
- for (xfer_pio = 5;
- xfer_pio>0 &&
- drive->id->eide_pio_iordy>eide_pio_timing[xfer_pio];
- xfer_pio--);
- } else {
- xfer_pio = (drive->id->eide_pio_modes & 4) ? 0x05 :
- (drive->id->eide_pio_modes & 2) ? 0x04 :
- (drive->id->eide_pio_modes & 1) ? 0x03 : xfer_pio;
- }
- timing = (xfer_pio >= pio) ? xfer_pio : pio;
- /*
- * Mode 0 Mode 1 Mode 2 Mode 3 Mode 4
- * Active time 8T (240ns) 6T (180ns) 4T (120ns) 3T (90ns) 3T (90ns)
- * 0x41 2:0 bits 000 110 100 011 011
- * Recovery time 12T (360ns) 7T (210ns) 4T (120ns) 3T (90ns) 1T (30ns)
- * 0x40 3:0 bits 0000 0111 0100 0011 0001
- * Cycle time 20T (600ns) 13T (390ns) 8T (240ns) 6T (180ns) 4T (120ns)
- */
- switch(drive->dn) {
- case 0: drive_pci = 0x40; break;
- case 1: drive_pci = 0x42; break;
- case 2: drive_pci = 0x44; break;
- case 3: drive_pci = 0x46; break;
- default: return;
- }
- pci_read_config_byte(dev, drive_pci, &test1);
- pci_read_config_byte(dev, drive_pci|0x01, &test2);
- /*
- * Do a blanket clear of active and recovery timings.
- */
- test1 &= ~0x07;
- test2 &= ~0x0F;
- switch(timing) {
- case 4: test1 |= 0x01; test2 |= 0x03; break;
- case 3: test1 |= 0x03; test2 |= 0x03; break;
- case 2: test1 |= 0x04; test2 |= 0x04; break;
- case 1: test1 |= 0x07; test2 |= 0x06; break;
- default: break;
- }
- pci_write_config_byte(dev, drive_pci, test1);
- pci_write_config_byte(dev, drive_pci|0x01, test2);
- }
- static int config_chipset_for_pio (ide_drive_t *drive, byte pio)
- {
- int err;
- byte speed;
- switch(pio) {
- case 4: speed = XFER_PIO_4; break;
- case 3: speed = XFER_PIO_3; break;
- case 2: speed = XFER_PIO_2; break;
- case 1: speed = XFER_PIO_1; break;
- default: speed = XFER_PIO_0; break;
- }
- config_art_rwp_pio(drive, pio);
- drive->current_speed = speed;
- err = ide_config_drive_speed(drive, speed);
- return err;
- }
- static int sis5513_tune_chipset (ide_drive_t *drive, byte speed)
- {
- ide_hwif_t *hwif = HWIF(drive);
- struct pci_dev *dev = hwif->pci_dev;
- byte drive_pci, test1, test2;
- byte unmask, four_two, mask = 0;
- if (host_dev) {
- switch(host_dev->device) {
- case PCI_DEVICE_ID_SI_530:
- case PCI_DEVICE_ID_SI_540:
- case PCI_DEVICE_ID_SI_620:
- case PCI_DEVICE_ID_SI_630:
- case PCI_DEVICE_ID_SI_635:
- case PCI_DEVICE_ID_SI_640:
- case PCI_DEVICE_ID_SI_645:
- case PCI_DEVICE_ID_SI_650:
- case PCI_DEVICE_ID_SI_730:
- case PCI_DEVICE_ID_SI_735:
- case PCI_DEVICE_ID_SI_740:
- case PCI_DEVICE_ID_SI_745:
- case PCI_DEVICE_ID_SI_750:
- unmask = 0xF0;
- four_two = 0x01;
- break;
- default:
- unmask = 0xE0;
- four_two = 0x00;
- break;
- }
- } else {
- unmask = 0xE0;
- four_two = 0x00;
- }
- switch(drive->dn) {
- case 0: drive_pci = 0x40;break;
- case 1: drive_pci = 0x42;break;
- case 2: drive_pci = 0x44;break;
- case 3: drive_pci = 0x46;break;
- default: return ide_dma_off;
- }
- pci_read_config_byte(dev, drive_pci, &test1);
- pci_read_config_byte(dev, drive_pci|0x01, &test2);
- if ((speed <= XFER_MW_DMA_2) && (test2 & 0x80)) {
- pci_write_config_byte(dev, drive_pci|0x01, test2 & ~0x80);
- pci_read_config_byte(dev, drive_pci|0x01, &test2);
- } else {
- pci_write_config_byte(dev, drive_pci|0x01, test2 & ~unmask);
- }
- switch(speed) {
- #ifdef CONFIG_BLK_DEV_IDEDMA
- case XFER_UDMA_5: mask = 0x80; break;
- case XFER_UDMA_4: mask = 0x90; break;
- case XFER_UDMA_3: mask = 0xA0; break;
- case XFER_UDMA_2: mask = (four_two) ? 0xB0 : 0xA0; break;
- case XFER_UDMA_1: mask = (four_two) ? 0xD0 : 0xC0; break;
- case XFER_UDMA_0: mask = unmask; break;
- case XFER_MW_DMA_2:
- case XFER_MW_DMA_1:
- case XFER_MW_DMA_0:
- case XFER_SW_DMA_2:
- case XFER_SW_DMA_1:
- case XFER_SW_DMA_0: break;
- #endif /* CONFIG_BLK_DEV_IDEDMA */
- case XFER_PIO_4: return((int) config_chipset_for_pio(drive, 4));
- case XFER_PIO_3: return((int) config_chipset_for_pio(drive, 3));
- case XFER_PIO_2: return((int) config_chipset_for_pio(drive, 2));
- case XFER_PIO_1: return((int) config_chipset_for_pio(drive, 1));
- case XFER_PIO_0:
- default: return((int) config_chipset_for_pio(drive, 0));
- }
- if (speed > XFER_MW_DMA_2)
- pci_write_config_byte(dev, drive_pci|0x01, test2|mask);
- drive->current_speed = speed;
- return ((int) ide_config_drive_speed(drive, speed));
- }
- static void sis5513_tune_drive (ide_drive_t *drive, byte pio)
- {
- (void) config_chipset_for_pio(drive, pio);
- }
- #ifdef CONFIG_BLK_DEV_IDEDMA
- /*
- * ((id->hw_config & 0x4000|0x2000) && (HWIF(drive)->udma_four))
- */
- static int config_chipset_for_dma (ide_drive_t *drive, byte ultra)
- {
- struct hd_driveid *id = drive->id;
- ide_hwif_t *hwif = HWIF(drive);
- byte four_two = 0, speed = 0;
- int err;
- byte unit = (drive->select.b.unit & 0x01);
- byte udma_66 = eighty_ninty_three(drive);
- byte ultra_100 = 0;
- if (host_dev) {
- switch(host_dev->device) {
- case PCI_DEVICE_ID_SI_635:
- case PCI_DEVICE_ID_SI_640:
- case PCI_DEVICE_ID_SI_645:
- case PCI_DEVICE_ID_SI_650:
- case PCI_DEVICE_ID_SI_730:
- case PCI_DEVICE_ID_SI_735:
- case PCI_DEVICE_ID_SI_740:
- case PCI_DEVICE_ID_SI_745:
- case PCI_DEVICE_ID_SI_750:
- ultra_100 = 1;
- case PCI_DEVICE_ID_SI_530:
- case PCI_DEVICE_ID_SI_540:
- case PCI_DEVICE_ID_SI_620:
- case PCI_DEVICE_ID_SI_630:
- four_two = 0x01;
- break;
- default:
- four_two = 0x00; break;
- }
- }
- if ((id->dma_ultra & 0x0020) && (ultra) && (udma_66) && (four_two) && (ultra_100))
- speed = XFER_UDMA_5;
- else if ((id->dma_ultra & 0x0010) && (ultra) && (udma_66) && (four_two))
- speed = XFER_UDMA_4;
- else if ((id->dma_ultra & 0x0008) && (ultra) && (udma_66) && (four_two))
- speed = XFER_UDMA_3;
- else if ((id->dma_ultra & 0x0004) && (ultra))
- speed = XFER_UDMA_2;
- else if ((id->dma_ultra & 0x0002) && (ultra))
- speed = XFER_UDMA_1;
- else if ((id->dma_ultra & 0x0001) && (ultra))
- speed = XFER_UDMA_0;
- else if (id->dma_mword & 0x0004)
- speed = XFER_MW_DMA_2;
- else if (id->dma_mword & 0x0002)
- speed = XFER_MW_DMA_1;
- else if (id->dma_mword & 0x0001)
- speed = XFER_MW_DMA_0;
- else if (id->dma_1word & 0x0004)
- speed = XFER_SW_DMA_2;
- else if (id->dma_1word & 0x0002)
- speed = XFER_SW_DMA_1;
- else if (id->dma_1word & 0x0001)
- speed = XFER_SW_DMA_0;
- else
- return ((int) ide_dma_off_quietly);
- outb(inb(hwif->dma_base+2)|(1<<(5+unit)), hwif->dma_base+2);
- err = sis5513_tune_chipset(drive, speed);
- #if SIS5513_DEBUG_DRIVE_INFO
- printk("%s: %s drive%dn", drive->name, ide_xfer_verbose(speed), drive->dn);
- #endif /* SIS5513_DEBUG_DRIVE_INFO */
- return ((int) ((id->dma_ultra >> 11) & 7) ? ide_dma_on :
- ((id->dma_ultra >> 8) & 7) ? ide_dma_on :
- ((id->dma_mword >> 8) & 7) ? ide_dma_on :
- ((id->dma_1word >> 8) & 7) ? ide_dma_on :
- ide_dma_off_quietly);
- }
- static int config_drive_xfer_rate (ide_drive_t *drive)
- {
- struct hd_driveid *id = drive->id;
- ide_dma_action_t dma_func = ide_dma_off_quietly;
- if (id && (id->capability & 1) && HWIF(drive)->autodma) {
- /* Consult the list of known "bad" drives */
- if (ide_dmaproc(ide_dma_bad_drive, drive)) {
- dma_func = ide_dma_off;
- goto fast_ata_pio;
- }
- dma_func = ide_dma_off_quietly;
- if (id->field_valid & 4) {
- if (id->dma_ultra & 0x003F) {
- /* Force if Capable UltraDMA */
- dma_func = config_chipset_for_dma(drive, 1);
- if ((id->field_valid & 2) &&
- (dma_func != ide_dma_on))
- goto try_dma_modes;
- }
- } else if (id->field_valid & 2) {
- try_dma_modes:
- if ((id->dma_mword & 0x0007) ||
- (id->dma_1word & 0x0007)) {
- /* Force if Capable regular DMA modes */
- dma_func = config_chipset_for_dma(drive, 0);
- if (dma_func != ide_dma_on)
- goto no_dma_set;
- }
- } else if ((ide_dmaproc(ide_dma_good_drive, drive)) &&
- (id->eide_dma_time > 150)) {
- /* Consult the list of known "good" drives */
- dma_func = config_chipset_for_dma(drive, 0);
- if (dma_func != ide_dma_on)
- goto no_dma_set;
- } else {
- goto fast_ata_pio;
- }
- } else if ((id->capability & 8) || (id->field_valid & 2)) {
- fast_ata_pio:
- dma_func = ide_dma_off_quietly;
- no_dma_set:
- (void) config_chipset_for_pio(drive, 5);
- }
- return HWIF(drive)->dmaproc(dma_func, drive);
- }
- /*
- * sis5513_dmaproc() initiates/aborts (U)DMA read/write operations on a drive.
- */
- int sis5513_dmaproc (ide_dma_action_t func, ide_drive_t *drive)
- {
- switch (func) {
- case ide_dma_check:
- config_drive_art_rwp(drive);
- config_art_rwp_pio(drive, 5);
- return config_drive_xfer_rate(drive);
- default:
- break;
- }
- return ide_dmaproc(func, drive); /* use standard DMA stuff */
- }
- #endif /* CONFIG_BLK_DEV_IDEDMA */
- unsigned int __init pci_init_sis5513 (struct pci_dev *dev, const char *name)
- {
- struct pci_dev *host;
- int i = 0;
- byte latency = 0;
- pci_read_config_byte(dev, PCI_LATENCY_TIMER, &latency);
- for (i = 0; i < ARRAY_SIZE (SiSHostChipInfo) && !host_dev; i++) {
- host = pci_find_device (PCI_VENDOR_ID_SI,
- SiSHostChipInfo[i].host_id,
- NULL);
- if (!host)
- continue;
- host_dev = host;
- printk(SiSHostChipInfo[i].name);
- printk("n");
- if (SiSHostChipInfo[i].flags & SIS5513_FLAG_LATENCY) {
- if (latency != 0x10)
- pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x10);
- }
- }
- if (host_dev) {
- byte reg52h = 0;
- pci_read_config_byte(dev, 0x52, ®52h);
- if (!(reg52h & 0x04)) {
- /* set IDE controller to operate in Compabitility mode only */
- pci_write_config_byte(dev, 0x52, reg52h|0x04);
- }
- #if defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS)
- if (!sis_proc) {
- sis_proc = 1;
- bmide_dev = dev;
- sis_display_info = &sis_get_info;
- }
- #endif /* defined(DISPLAY_SIS_TIMINGS) && defined(CONFIG_PROC_FS) */
- }
- return 0;
- }
- unsigned int __init ata66_sis5513 (ide_hwif_t *hwif)
- {
- byte reg48h = 0, ata66 = 0;
- byte mask = hwif->channel ? 0x20 : 0x10;
- pci_read_config_byte(hwif->pci_dev, 0x48, ®48h);
- if (host_dev) {
- switch(host_dev->device) {
- case PCI_DEVICE_ID_SI_530:
- case PCI_DEVICE_ID_SI_540:
- case PCI_DEVICE_ID_SI_620:
- case PCI_DEVICE_ID_SI_630:
- case PCI_DEVICE_ID_SI_635:
- case PCI_DEVICE_ID_SI_640:
- case PCI_DEVICE_ID_SI_645:
- case PCI_DEVICE_ID_SI_650:
- case PCI_DEVICE_ID_SI_730:
- case PCI_DEVICE_ID_SI_735:
- case PCI_DEVICE_ID_SI_740:
- case PCI_DEVICE_ID_SI_745:
- case PCI_DEVICE_ID_SI_750:
- ata66 = (reg48h & mask) ? 0 : 1;
- default:
- break;
- }
- }
- return (ata66);
- }
- void __init ide_init_sis5513 (ide_hwif_t *hwif)
- {
- hwif->irq = hwif->channel ? 15 : 14;
- hwif->tuneproc = &sis5513_tune_drive;
- hwif->speedproc = &sis5513_tune_chipset;
- if (!(hwif->dma_base))
- return;
- if (host_dev) {
- switch(host_dev->device) {
- #ifdef CONFIG_BLK_DEV_IDEDMA
- case PCI_DEVICE_ID_SI_530:
- case PCI_DEVICE_ID_SI_540:
- case PCI_DEVICE_ID_SI_620:
- case PCI_DEVICE_ID_SI_630:
- case PCI_DEVICE_ID_SI_635:
- case PCI_DEVICE_ID_SI_640:
- case PCI_DEVICE_ID_SI_645:
- case PCI_DEVICE_ID_SI_650:
- case PCI_DEVICE_ID_SI_730:
- case PCI_DEVICE_ID_SI_735:
- case PCI_DEVICE_ID_SI_740:
- case PCI_DEVICE_ID_SI_745:
- case PCI_DEVICE_ID_SI_750:
- case PCI_DEVICE_ID_SI_5600:
- case PCI_DEVICE_ID_SI_5597:
- case PCI_DEVICE_ID_SI_5591:
- if (!noautodma)
- hwif->autodma = 1;
- hwif->dmaproc = &sis5513_dmaproc;
- break;
- #endif /* CONFIG_BLK_DEV_IDEDMA */
- default:
- hwif->autodma = 0;
- break;
- }
- }
- return;
- }