diff options
Diffstat (limited to 'drivers/ide/pci/hpt34x.c')
| -rw-r--r-- | drivers/ide/pci/hpt34x.c | 278 |
1 files changed, 0 insertions, 278 deletions
diff --git a/drivers/ide/pci/hpt34x.c b/drivers/ide/pci/hpt34x.c deleted file mode 100644 index be334da7a75..00000000000 --- a/drivers/ide/pci/hpt34x.c +++ /dev/null @@ -1,278 +0,0 @@ -/* - * linux/drivers/ide/pci/hpt34x.c Version 0.40 Sept 10, 2002 - * - * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org> - * May be copied or modified under the terms of the GNU General Public License - * - * - * 00:12.0 Unknown mass storage controller: - * Triones Technologies, Inc. - * Unknown device 0003 (rev 01) - * - * hde: UDMA 2 (0x0000 0x0002) (0x0000 0x0010) - * hdf: UDMA 2 (0x0002 0x0012) (0x0010 0x0030) - * hde: DMA 2 (0x0000 0x0002) (0x0000 0x0010) - * hdf: DMA 2 (0x0002 0x0012) (0x0010 0x0030) - * hdg: DMA 1 (0x0012 0x0052) (0x0030 0x0070) - * hdh: DMA 1 (0x0052 0x0252) (0x0070 0x00f0) - * - * ide-pci.c reference - * - * Since there are two cards that report almost identically, - * the only discernable difference is the values reported in pcicmd. - * Booting-BIOS card or HPT363 :: pcicmd == 0x07 - * Non-bootable card or HPT343 :: pcicmd == 0x05 - */ - -#include <linux/config.h> -#include <linux/module.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> - -#define HPT343_DEBUG_DRIVE_INFO 0 - -static u8 hpt34x_ratemask (ide_drive_t *drive) -{ - return 1; -} - -static void hpt34x_clear_chipset (ide_drive_t *drive) -{ - struct pci_dev *dev = HWIF(drive)->pci_dev; - u32 reg1 = 0, tmp1 = 0, reg2 = 0, tmp2 = 0; - - pci_read_config_dword(dev, 0x44, ®1); - pci_read_config_dword(dev, 0x48, ®2); - tmp1 = ((0x00 << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn)))); - tmp2 = (reg2 & ~(0x11 << drive->dn)); - pci_write_config_dword(dev, 0x44, tmp1); - pci_write_config_dword(dev, 0x48, tmp2); -} - -static int hpt34x_tune_chipset (ide_drive_t *drive, u8 xferspeed) -{ - struct pci_dev *dev = HWIF(drive)->pci_dev; - u8 speed = ide_rate_filter(hpt34x_ratemask(drive), xferspeed); - u32 reg1= 0, tmp1 = 0, reg2 = 0, tmp2 = 0; - u8 hi_speed, lo_speed; - - hi_speed = speed >> 4; - lo_speed = speed & 0x0f; - - if (hi_speed & 7) { - hi_speed = (hi_speed & 4) ? 0x01 : 0x10; - } else { - lo_speed <<= 5; - lo_speed >>= 5; - } - - pci_read_config_dword(dev, 0x44, ®1); - pci_read_config_dword(dev, 0x48, ®2); - tmp1 = ((lo_speed << (3*drive->dn)) | (reg1 & ~(7 << (3*drive->dn)))); - tmp2 = ((hi_speed << drive->dn) | reg2); - pci_write_config_dword(dev, 0x44, tmp1); - pci_write_config_dword(dev, 0x48, tmp2); - -#if HPT343_DEBUG_DRIVE_INFO - printk("%s: %s drive%d (0x%04x 0x%04x) (0x%04x 0x%04x)" \ - " (0x%02x 0x%02x)\n", - drive->name, ide_xfer_verbose(speed), - drive->dn, reg1, tmp1, reg2, tmp2, - hi_speed, lo_speed); -#endif /* HPT343_DEBUG_DRIVE_INFO */ - - return(ide_config_drive_speed(drive, speed)); -} - -static void hpt34x_tune_drive (ide_drive_t *drive, u8 pio) -{ - pio = ide_get_best_pio_mode(drive, pio, 5, NULL); - hpt34x_clear_chipset(drive); - (void) hpt34x_tune_chipset(drive, (XFER_PIO_0 + pio)); -} - -/* - * This allows the configuration of ide_pci chipset registers - * for cards that learn about the drive's UDMA, DMA, PIO capabilities - * after the drive is reported by the OS. Initially for designed for - * HPT343 UDMA chipset by HighPoint|Triones Technologies, Inc. - */ - -static int config_chipset_for_dma (ide_drive_t *drive) -{ - u8 speed = ide_dma_speed(drive, hpt34x_ratemask(drive)); - - if (!(speed)) - return 0; - - hpt34x_clear_chipset(drive); - (void) hpt34x_tune_chipset(drive, speed); - return ide_dma_enable(drive); -} - -static int hpt34x_config_drive_xfer_rate (ide_drive_t *drive) -{ - ide_hwif_t *hwif = HWIF(drive); - struct hd_driveid *id = drive->id; - - drive->init_speed = 0; - - if (id && (id->capability & 1) && drive->autodma) { - - if (ide_use_dma(drive)) { - if (config_chipset_for_dma(drive)) -#ifndef CONFIG_HPT34X_AUTODMA - return hwif->ide_dma_off_quietly(drive); -#else - return hwif->ide_dma_on(drive); -#endif - } - - goto fast_ata_pio; - - } else if ((id->capability & 8) || (id->field_valid & 2)) { -fast_ata_pio: - hpt34x_tune_drive(drive, 255); - return hwif->ide_dma_off_quietly(drive); - } - /* IORDY not supported */ - return 0; -} - -/* - * If the BIOS does not set the IO base addaress to XX00, 343 will fail. - */ -#define HPT34X_PCI_INIT_REG 0x80 - -static unsigned int __devinit init_chipset_hpt34x(struct pci_dev *dev, const char *name) -{ - int i = 0; - unsigned long hpt34xIoBase = pci_resource_start(dev, 4); - unsigned long hpt_addr[4] = { 0x20, 0x34, 0x28, 0x3c }; - unsigned long hpt_addr_len[4] = { 7, 3, 7, 3 }; - u16 cmd; - unsigned long flags; - - local_irq_save(flags); - - pci_write_config_byte(dev, HPT34X_PCI_INIT_REG, 0x00); - pci_read_config_word(dev, PCI_COMMAND, &cmd); - - if (cmd & PCI_COMMAND_MEMORY) { - if (pci_resource_start(dev, PCI_ROM_RESOURCE)) { - pci_write_config_dword(dev, PCI_ROM_ADDRESS, - dev->resource[PCI_ROM_RESOURCE].start | PCI_ROM_ADDRESS_ENABLE); - printk(KERN_INFO "HPT345: ROM enabled at 0x%08lx\n", - dev->resource[PCI_ROM_RESOURCE].start); - } - pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xF0); - } else { - pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0x20); - } - - /* - * Since 20-23 can be assigned and are R/W, we correct them. - */ - pci_write_config_word(dev, PCI_COMMAND, cmd & ~PCI_COMMAND_IO); - for(i=0; i<4; i++) { - dev->resource[i].start = (hpt34xIoBase + hpt_addr[i]); - dev->resource[i].end = dev->resource[i].start + hpt_addr_len[i]; - dev->resource[i].flags = IORESOURCE_IO; - pci_write_config_dword(dev, - (PCI_BASE_ADDRESS_0 + (i * 4)), - dev->resource[i].start); - } - pci_write_config_word(dev, PCI_COMMAND, cmd); - - local_irq_restore(flags); - - return dev->irq; -} - -static void __devinit init_hwif_hpt34x(ide_hwif_t *hwif) -{ - u16 pcicmd = 0; - - hwif->autodma = 0; - - hwif->tuneproc = &hpt34x_tune_drive; - hwif->speedproc = &hpt34x_tune_chipset; - hwif->no_dsc = 1; - hwif->drives[0].autotune = 1; - hwif->drives[1].autotune = 1; - - pci_read_config_word(hwif->pci_dev, PCI_COMMAND, &pcicmd); - - if (!hwif->dma_base) - return; - - hwif->ultra_mask = 0x07; - hwif->mwdma_mask = 0x07; - hwif->swdma_mask = 0x07; - - hwif->ide_dma_check = &hpt34x_config_drive_xfer_rate; - if (!noautodma) - hwif->autodma = (pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0; - hwif->drives[0].autodma = hwif->autodma; - hwif->drives[1].autodma = hwif->autodma; -} - -static ide_pci_device_t hpt34x_chipset __devinitdata = { - .name = "HPT34X", - .init_chipset = init_chipset_hpt34x, - .init_hwif = init_hwif_hpt34x, - .channels = 2, - .autodma = NOAUTODMA, - .bootable = NEVER_BOARD, - .extra = 16 -}; - -static int __devinit hpt34x_init_one(struct pci_dev *dev, const struct pci_device_id *id) -{ - ide_pci_device_t *d = &hpt34x_chipset; - static char *chipset_names[] = {"HPT343", "HPT345"}; - u16 pcicmd = 0; - - pci_read_config_word(dev, PCI_COMMAND, &pcicmd); - - d->name = chipset_names[(pcicmd & PCI_COMMAND_MEMORY) ? 1 : 0]; - d->bootable = (pcicmd & PCI_COMMAND_MEMORY) ? OFF_BOARD : NEVER_BOARD; - - return ide_setup_pci_device(dev, d); -} - -static struct pci_device_id hpt34x_pci_tbl[] = { - { PCI_VENDOR_ID_TTI, PCI_DEVICE_ID_TTI_HPT343, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, - { 0, }, -}; -MODULE_DEVICE_TABLE(pci, hpt34x_pci_tbl); - -static struct pci_driver driver = { - .name = "HPT34x_IDE", - .id_table = hpt34x_pci_tbl, - .probe = hpt34x_init_one, -}; - -static int hpt34x_ide_init(void) -{ - return ide_pci_register_driver(&driver); -} - -module_init(hpt34x_ide_init); - -MODULE_AUTHOR("Andre Hedrick"); -MODULE_DESCRIPTION("PCI driver module for Highpoint 34x IDE"); -MODULE_LICENSE("GPL"); |