| /* |
| * 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/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 int hpt34x_tune_chipset (ide_drive_t *drive, u8 xferspeed) |
| { |
| struct pci_dev *dev = HWIF(drive)->pci_dev; |
| u8 speed = ide_rate_filter(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 & ~(0x11 << drive->dn))); |
| 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); |
| (void) hpt34x_tune_chipset(drive, (XFER_PIO_0 + pio)); |
| } |
| |
| static int hpt34x_config_drive_xfer_rate (ide_drive_t *drive) |
| { |
| drive->init_speed = 0; |
| |
| if (ide_tune_dma(drive)) |
| #ifndef CONFIG_HPT34X_AUTODMA |
| return -1; |
| #else |
| return 0; |
| #endif |
| |
| if (ide_use_fast_pio(drive)) |
| hpt34x_tune_drive(drive, 255); |
| |
| return -1; |
| } |
| |
| /* |
| * 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) |
| 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->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, |
| .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 __init 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"); |