2005-04-17 00:20:36 +02:00
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/*
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*
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2007-07-20 01:11:58 +02:00
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* Version 3.46
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2005-04-17 00:20:36 +02:00
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*
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* VIA IDE driver for Linux. Supported southbridges:
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*
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* vt82c576, vt82c586, vt82c586a, vt82c586b, vt82c596a, vt82c596b,
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* vt82c686, vt82c686a, vt82c686b, vt8231, vt8233, vt8233c, vt8233a,
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2006-08-30 20:14:25 +02:00
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* vt8235, vt8237, vt8237a
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2005-04-17 00:20:36 +02:00
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*
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* Copyright (c) 2000-2002 Vojtech Pavlik
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2007-07-09 23:17:57 +02:00
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* Copyright (c) 2007 Bartlomiej Zolnierkiewicz
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2005-04-17 00:20:36 +02:00
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*
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* Based on the work of:
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* Michel Aubry
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* Jeff Garzik
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* Andre Hedrick
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*
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* Documentation:
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* Obsolete device documentation publically available from via.com.tw
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* Current device documentation available under NDA only
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*/
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/*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/ioport.h>
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#include <linux/blkdev.h>
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#include <linux/pci.h>
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#include <linux/init.h>
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#include <linux/ide.h>
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2007-07-09 23:17:58 +02:00
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#include <linux/dmi.h>
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2005-04-17 00:20:36 +02:00
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#include <asm/io.h>
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2006-11-03 09:52:49 +01:00
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#ifdef CONFIG_PPC_CHRP
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2005-04-17 00:20:36 +02:00
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#include <asm/processor.h>
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#endif
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#include "ide-timing.h"
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#define VIA_IDE_ENABLE 0x40
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#define VIA_IDE_CONFIG 0x41
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#define VIA_FIFO_CONFIG 0x43
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#define VIA_MISC_1 0x44
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#define VIA_MISC_2 0x45
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#define VIA_MISC_3 0x46
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#define VIA_DRIVE_TIMING 0x48
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#define VIA_8BIT_TIMING 0x4e
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#define VIA_ADDRESS_SETUP 0x4c
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#define VIA_UDMA_TIMING 0x50
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2007-07-09 23:17:57 +02:00
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#define VIA_BAD_PREQ 0x01 /* Crashes if PREQ# till DDACK# set */
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#define VIA_BAD_CLK66 0x02 /* 66 MHz clock doesn't work correctly */
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#define VIA_SET_FIFO 0x04 /* Needs to have FIFO split set */
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#define VIA_NO_UNMASK 0x08 /* Doesn't work with IRQ unmasking on */
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#define VIA_BAD_ID 0x10 /* Has wrong vendor ID (0x1107) */
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#define VIA_BAD_AST 0x20 /* Don't touch Address Setup Timing */
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2005-04-17 00:20:36 +02:00
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/*
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* VIA SouthBridge chips.
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*/
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static struct via_isa_bridge {
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char *name;
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u16 id;
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u8 rev_min;
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u8 rev_max;
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2007-07-09 23:17:57 +02:00
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u8 udma_mask;
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u8 flags;
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2005-04-17 00:20:36 +02:00
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} via_isa_bridges[] = {
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2007-07-09 23:17:57 +02:00
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{ "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
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{ "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
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{ "vt6410", PCI_DEVICE_ID_VIA_6410, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
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{ "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
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{ "vt8237", PCI_DEVICE_ID_VIA_8237, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
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{ "vt8237a", PCI_DEVICE_ID_VIA_8237A, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
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{ "vt8235", PCI_DEVICE_ID_VIA_8235, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
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{ "vt8233a", PCI_DEVICE_ID_VIA_8233A, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
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{ "vt8233c", PCI_DEVICE_ID_VIA_8233C_0, 0x00, 0x2f, ATA_UDMA5, },
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{ "vt8233", PCI_DEVICE_ID_VIA_8233_0, 0x00, 0x2f, ATA_UDMA5, },
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{ "vt8231", PCI_DEVICE_ID_VIA_8231, 0x00, 0x2f, ATA_UDMA5, },
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{ "vt82c686b", PCI_DEVICE_ID_VIA_82C686, 0x40, 0x4f, ATA_UDMA5, },
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{ "vt82c686a", PCI_DEVICE_ID_VIA_82C686, 0x10, 0x2f, ATA_UDMA4, },
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{ "vt82c686", PCI_DEVICE_ID_VIA_82C686, 0x00, 0x0f, ATA_UDMA2, VIA_BAD_CLK66 },
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{ "vt82c596b", PCI_DEVICE_ID_VIA_82C596, 0x10, 0x2f, ATA_UDMA4, },
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{ "vt82c596a", PCI_DEVICE_ID_VIA_82C596, 0x00, 0x0f, ATA_UDMA2, VIA_BAD_CLK66 },
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{ "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x47, 0x4f, ATA_UDMA2, VIA_SET_FIFO },
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{ "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x40, 0x46, ATA_UDMA2, VIA_SET_FIFO | VIA_BAD_PREQ },
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{ "vt82c586b", PCI_DEVICE_ID_VIA_82C586_0, 0x30, 0x3f, ATA_UDMA2, VIA_SET_FIFO },
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{ "vt82c586a", PCI_DEVICE_ID_VIA_82C586_0, 0x20, 0x2f, ATA_UDMA2, VIA_SET_FIFO },
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{ "vt82c586", PCI_DEVICE_ID_VIA_82C586_0, 0x00, 0x0f, 0x00, VIA_SET_FIFO },
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{ "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, 0x00, VIA_SET_FIFO | VIA_NO_UNMASK },
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{ "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, 0x00, VIA_SET_FIFO | VIA_NO_UNMASK | VIA_BAD_ID },
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2005-04-17 00:20:36 +02:00
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{ NULL }
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};
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static unsigned int via_clock;
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2007-07-09 23:17:57 +02:00
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static char *via_dma[] = { "16", "25", "33", "44", "66", "100", "133" };
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2005-04-17 00:20:36 +02:00
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2005-11-18 22:09:45 +01:00
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struct via82cxxx_dev
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{
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struct via_isa_bridge *via_config;
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unsigned int via_80w;
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};
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2005-04-17 00:20:36 +02:00
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/**
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* via_set_speed - write timing registers
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* @dev: PCI device
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* @dn: device
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* @timing: IDE timing data to use
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*
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* via_set_speed writes timing values to the chipset registers
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*/
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2005-11-18 22:09:45 +01:00
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static void via_set_speed(ide_hwif_t *hwif, u8 dn, struct ide_timing *timing)
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2005-04-17 00:20:36 +02:00
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{
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2005-11-18 22:09:45 +01:00
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struct pci_dev *dev = hwif->pci_dev;
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2007-01-06 01:36:21 +01:00
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struct via82cxxx_dev *vdev = pci_get_drvdata(hwif->pci_dev);
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2005-04-17 00:20:36 +02:00
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u8 t;
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2005-11-18 22:09:45 +01:00
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if (~vdev->via_config->flags & VIA_BAD_AST) {
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2005-04-17 00:20:36 +02:00
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pci_read_config_byte(dev, VIA_ADDRESS_SETUP, &t);
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t = (t & ~(3 << ((3 - dn) << 1))) | ((FIT(timing->setup, 1, 4) - 1) << ((3 - dn) << 1));
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pci_write_config_byte(dev, VIA_ADDRESS_SETUP, t);
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}
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pci_write_config_byte(dev, VIA_8BIT_TIMING + (1 - (dn >> 1)),
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((FIT(timing->act8b, 1, 16) - 1) << 4) | (FIT(timing->rec8b, 1, 16) - 1));
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pci_write_config_byte(dev, VIA_DRIVE_TIMING + (3 - dn),
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((FIT(timing->active, 1, 16) - 1) << 4) | (FIT(timing->recover, 1, 16) - 1));
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2007-07-09 23:17:57 +02:00
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switch (vdev->via_config->udma_mask) {
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case ATA_UDMA2: t = timing->udma ? (0xe0 | (FIT(timing->udma, 2, 5) - 2)) : 0x03; break;
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case ATA_UDMA4: t = timing->udma ? (0xe8 | (FIT(timing->udma, 2, 9) - 2)) : 0x0f; break;
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case ATA_UDMA5: t = timing->udma ? (0xe0 | (FIT(timing->udma, 2, 9) - 2)) : 0x07; break;
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case ATA_UDMA6: t = timing->udma ? (0xe0 | (FIT(timing->udma, 2, 9) - 2)) : 0x07; break;
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default: return;
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2005-04-17 00:20:36 +02:00
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}
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pci_write_config_byte(dev, VIA_UDMA_TIMING + (3 - dn), t);
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}
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/**
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* via_set_drive - configure transfer mode
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* @drive: Drive to set up
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* @speed: desired speed
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*
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* via_set_drive() computes timing values configures the drive and
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* the chipset to a desired transfer mode. It also can be called
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* by upper layers.
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*/
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static int via_set_drive(ide_drive_t *drive, u8 speed)
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{
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ide_drive_t *peer = HWIF(drive)->drives + (~drive->dn & 1);
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2007-01-06 01:36:21 +01:00
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struct via82cxxx_dev *vdev = pci_get_drvdata(drive->hwif->pci_dev);
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2005-04-17 00:20:36 +02:00
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struct ide_timing t, p;
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unsigned int T, UT;
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if (speed != XFER_PIO_SLOW)
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ide_config_drive_speed(drive, speed);
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T = 1000000000 / via_clock;
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2007-07-09 23:17:57 +02:00
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switch (vdev->via_config->udma_mask) {
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case ATA_UDMA2: UT = T; break;
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case ATA_UDMA4: UT = T/2; break;
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case ATA_UDMA5: UT = T/3; break;
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case ATA_UDMA6: UT = T/4; break;
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default: UT = T;
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2005-04-17 00:20:36 +02:00
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}
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ide_timing_compute(drive, speed, &t, T, UT);
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if (peer->present) {
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ide_timing_compute(peer, peer->current_speed, &p, T, UT);
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ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT);
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}
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2005-11-18 22:09:45 +01:00
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via_set_speed(HWIF(drive), drive->dn, &t);
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2005-04-17 00:20:36 +02:00
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if (!drive->init_speed)
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drive->init_speed = speed;
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drive->current_speed = speed;
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return 0;
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}
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/**
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* via82cxxx_tune_drive - PIO setup
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* @drive: drive to set up
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* @pio: mode to use (255 for 'best possible')
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*
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* A callback from the upper layers for PIO-only tuning.
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*/
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static void via82cxxx_tune_drive(ide_drive_t *drive, u8 pio)
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{
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2007-07-20 01:11:58 +02:00
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if (pio == 255)
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pio = ide_get_best_pio_mode(drive, 255, 5);
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2005-04-17 00:20:36 +02:00
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via_set_drive(drive, XFER_PIO_0 + min_t(u8, pio, 5));
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}
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/**
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* via82cxxx_ide_dma_check - set up for DMA if possible
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* @drive: IDE drive to set up
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*
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* Set up the drive for the highest supported speed considering the
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* driver, controller and cable
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*/
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static int via82cxxx_ide_dma_check (ide_drive_t *drive)
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{
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2007-07-09 23:17:57 +02:00
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u8 speed = ide_max_dma_mode(drive);
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2005-04-17 00:20:36 +02:00
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2007-07-20 01:11:58 +02:00
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if (speed == 0) {
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via82cxxx_tune_drive(drive, 255);
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return -1;
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}
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2005-04-17 00:20:36 +02:00
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via_set_drive(drive, speed);
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2007-07-20 01:11:58 +02:00
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if (drive->autodma)
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2007-02-17 02:40:26 +01:00
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return 0;
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return -1;
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2005-11-18 22:09:45 +01:00
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}
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static struct via_isa_bridge *via_config_find(struct pci_dev **isa)
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{
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struct via_isa_bridge *via_config;
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for (via_config = via_isa_bridges; via_config->id; via_config++)
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2006-10-03 10:14:35 +02:00
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if ((*isa = pci_get_device(PCI_VENDOR_ID_VIA +
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2005-11-18 22:09:45 +01:00
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!!(via_config->flags & VIA_BAD_ID),
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via_config->id, NULL))) {
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2007-06-09 00:46:36 +02:00
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if ((*isa)->revision >= via_config->rev_min &&
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(*isa)->revision <= via_config->rev_max)
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2005-11-18 22:09:45 +01:00
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break;
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2006-10-03 10:14:35 +02:00
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pci_dev_put(*isa);
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2005-11-18 22:09:45 +01:00
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}
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return via_config;
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2005-04-17 00:20:36 +02:00
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}
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2007-01-06 01:36:21 +01:00
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/*
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* Check and handle 80-wire cable presence
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*/
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static void __devinit via_cable_detect(struct via82cxxx_dev *vdev, u32 u)
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{
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int i;
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2007-07-09 23:17:57 +02:00
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switch (vdev->via_config->udma_mask) {
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case ATA_UDMA4:
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2007-01-06 01:36:21 +01:00
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for (i = 24; i >= 0; i -= 8)
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if (((u >> (i & 16)) & 8) &&
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((u >> i) & 0x20) &&
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(((u >> i) & 7) < 2)) {
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/*
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* 2x PCI clock and
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* UDMA w/ < 3T/cycle
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*/
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vdev->via_80w |= (1 << (1 - (i >> 4)));
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}
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break;
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2007-07-09 23:17:57 +02:00
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case ATA_UDMA5:
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2007-01-06 01:36:21 +01:00
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for (i = 24; i >= 0; i -= 8)
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if (((u >> i) & 0x10) ||
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(((u >> i) & 0x20) &&
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(((u >> i) & 7) < 4))) {
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/* BIOS 80-wire bit or
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* UDMA w/ < 60ns/cycle
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*/
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vdev->via_80w |= (1 << (1 - (i >> 4)));
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|
}
|
|
|
|
break;
|
|
|
|
|
2007-07-09 23:17:57 +02:00
|
|
|
case ATA_UDMA6:
|
2007-01-06 01:36:21 +01:00
|
|
|
for (i = 24; i >= 0; i -= 8)
|
|
|
|
if (((u >> i) & 0x10) ||
|
|
|
|
(((u >> i) & 0x20) &&
|
|
|
|
(((u >> i) & 7) < 6))) {
|
|
|
|
/* BIOS 80-wire bit or
|
|
|
|
* UDMA w/ < 60ns/cycle
|
|
|
|
*/
|
|
|
|
vdev->via_80w |= (1 << (1 - (i >> 4)));
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2005-04-17 00:20:36 +02:00
|
|
|
/**
|
|
|
|
* init_chipset_via82cxxx - initialization handler
|
|
|
|
* @dev: PCI device
|
|
|
|
* @name: Name of interface
|
|
|
|
*
|
|
|
|
* The initialization callback. Here we determine the IDE chip type
|
|
|
|
* and initialize its drive independent registers.
|
|
|
|
*/
|
|
|
|
|
2005-07-03 16:42:18 +02:00
|
|
|
static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev, const char *name)
|
2005-04-17 00:20:36 +02:00
|
|
|
{
|
|
|
|
struct pci_dev *isa = NULL;
|
2007-01-06 01:36:21 +01:00
|
|
|
struct via82cxxx_dev *vdev;
|
2005-11-18 22:09:45 +01:00
|
|
|
struct via_isa_bridge *via_config;
|
2005-04-17 00:20:36 +02:00
|
|
|
u8 t, v;
|
2007-01-06 01:36:21 +01:00
|
|
|
u32 u;
|
|
|
|
|
|
|
|
vdev = kzalloc(sizeof(*vdev), GFP_KERNEL);
|
|
|
|
if (!vdev) {
|
|
|
|
printk(KERN_ERR "VP_IDE: out of memory :(\n");
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
pci_set_drvdata(dev, vdev);
|
2005-04-17 00:20:36 +02:00
|
|
|
|
|
|
|
/*
|
|
|
|
* Find the ISA bridge to see how good the IDE is.
|
|
|
|
*/
|
2007-01-06 01:36:21 +01:00
|
|
|
vdev->via_config = via_config = via_config_find(&isa);
|
2006-12-07 05:36:12 +01:00
|
|
|
|
|
|
|
/* We checked this earlier so if it fails here deeep badness
|
|
|
|
is involved */
|
|
|
|
|
|
|
|
BUG_ON(!via_config->id);
|
2005-04-17 00:20:36 +02:00
|
|
|
|
|
|
|
/*
|
2007-01-06 01:36:21 +01:00
|
|
|
* Detect cable and configure Clk66
|
2005-04-17 00:20:36 +02:00
|
|
|
*/
|
2007-01-06 01:36:21 +01:00
|
|
|
pci_read_config_dword(dev, VIA_UDMA_TIMING, &u);
|
|
|
|
|
|
|
|
via_cable_detect(vdev, u);
|
2005-04-17 00:20:36 +02:00
|
|
|
|
2007-07-09 23:17:57 +02:00
|
|
|
if (via_config->udma_mask == ATA_UDMA4) {
|
2005-11-18 22:09:45 +01:00
|
|
|
/* Enable Clk66 */
|
|
|
|
pci_write_config_dword(dev, VIA_UDMA_TIMING, u|0x80008);
|
|
|
|
} else if (via_config->flags & VIA_BAD_CLK66) {
|
2005-04-17 00:20:36 +02:00
|
|
|
/* Would cause trouble on 596a and 686 */
|
|
|
|
pci_write_config_dword(dev, VIA_UDMA_TIMING, u & ~0x80008);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Check whether interfaces are enabled.
|
|
|
|
*/
|
|
|
|
|
|
|
|
pci_read_config_byte(dev, VIA_IDE_ENABLE, &v);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Set up FIFO sizes and thresholds.
|
|
|
|
*/
|
|
|
|
|
|
|
|
pci_read_config_byte(dev, VIA_FIFO_CONFIG, &t);
|
|
|
|
|
|
|
|
/* Disable PREQ# till DDACK# */
|
|
|
|
if (via_config->flags & VIA_BAD_PREQ) {
|
|
|
|
/* Would crash on 586b rev 41 */
|
|
|
|
t &= 0x7f;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Fix FIFO split between channels */
|
|
|
|
if (via_config->flags & VIA_SET_FIFO) {
|
|
|
|
t &= (t & 0x9f);
|
|
|
|
switch (v & 3) {
|
|
|
|
case 2: t |= 0x00; break; /* 16 on primary */
|
|
|
|
case 1: t |= 0x60; break; /* 16 on secondary */
|
|
|
|
case 3: t |= 0x20; break; /* 8 pri 8 sec */
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pci_write_config_byte(dev, VIA_FIFO_CONFIG, t);
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Determine system bus clock.
|
|
|
|
*/
|
|
|
|
|
|
|
|
via_clock = system_bus_clock() * 1000;
|
|
|
|
|
|
|
|
switch (via_clock) {
|
|
|
|
case 33000: via_clock = 33333; break;
|
|
|
|
case 37000: via_clock = 37500; break;
|
|
|
|
case 41000: via_clock = 41666; break;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (via_clock < 20000 || via_clock > 50000) {
|
|
|
|
printk(KERN_WARNING "VP_IDE: User given PCI clock speed "
|
|
|
|
"impossible (%d), using 33 MHz instead.\n", via_clock);
|
|
|
|
printk(KERN_WARNING "VP_IDE: Use ide0=ata66 if you want "
|
|
|
|
"to assume 80-wire cable.\n");
|
|
|
|
via_clock = 33333;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Print the boot message.
|
|
|
|
*/
|
|
|
|
|
2007-07-09 23:17:57 +02:00
|
|
|
printk(KERN_INFO "VP_IDE: VIA %s (rev %02x) IDE %sDMA%s "
|
2005-04-17 00:20:36 +02:00
|
|
|
"controller on pci%s\n",
|
2007-06-09 00:46:36 +02:00
|
|
|
via_config->name, isa->revision,
|
2007-07-09 23:17:57 +02:00
|
|
|
via_config->udma_mask ? "U" : "MW",
|
|
|
|
via_dma[via_config->udma_mask ?
|
|
|
|
(fls(via_config->udma_mask) - 1) : 0],
|
2005-04-17 00:20:36 +02:00
|
|
|
pci_name(dev));
|
|
|
|
|
2006-10-03 10:14:35 +02:00
|
|
|
pci_dev_put(isa);
|
2005-04-17 00:20:36 +02:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-07-09 23:17:58 +02:00
|
|
|
/*
|
|
|
|
* Cable special cases
|
|
|
|
*/
|
|
|
|
|
|
|
|
static struct dmi_system_id cable_dmi_table[] = {
|
|
|
|
{
|
|
|
|
.ident = "Acer Ferrari 3400",
|
|
|
|
.matches = {
|
|
|
|
DMI_MATCH(DMI_BOARD_VENDOR, "Acer,Inc."),
|
|
|
|
DMI_MATCH(DMI_BOARD_NAME, "Ferrari 3400"),
|
|
|
|
},
|
|
|
|
},
|
|
|
|
{ }
|
|
|
|
};
|
|
|
|
|
|
|
|
static int via_cable_override(void)
|
|
|
|
{
|
|
|
|
/* Systems by DMI */
|
|
|
|
if (dmi_check_system(cable_dmi_table))
|
|
|
|
return 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static u8 __devinit via82cxxx_cable_detect(ide_hwif_t *hwif)
|
|
|
|
{
|
|
|
|
struct via82cxxx_dev *vdev = pci_get_drvdata(hwif->pci_dev);
|
|
|
|
|
|
|
|
if (via_cable_override())
|
|
|
|
return ATA_CBL_PATA40_SHORT;
|
|
|
|
|
|
|
|
if ((vdev->via_80w >> hwif->channel) & 1)
|
|
|
|
return ATA_CBL_PATA80;
|
|
|
|
else
|
|
|
|
return ATA_CBL_PATA40;
|
|
|
|
}
|
|
|
|
|
2005-07-03 16:42:18 +02:00
|
|
|
static void __devinit init_hwif_via82cxxx(ide_hwif_t *hwif)
|
2005-04-17 00:20:36 +02:00
|
|
|
{
|
2007-01-06 01:36:21 +01:00
|
|
|
struct via82cxxx_dev *vdev = pci_get_drvdata(hwif->pci_dev);
|
2005-04-17 00:20:36 +02:00
|
|
|
int i;
|
|
|
|
|
|
|
|
hwif->autodma = 0;
|
|
|
|
|
|
|
|
hwif->tuneproc = &via82cxxx_tune_drive;
|
|
|
|
hwif->speedproc = &via_set_drive;
|
|
|
|
|
|
|
|
|
2006-11-03 09:52:49 +01:00
|
|
|
#ifdef CONFIG_PPC_CHRP
|
2006-03-28 14:15:54 +02:00
|
|
|
if(machine_is(chrp) && _chrp_type == _CHRP_Pegasos) {
|
2005-04-17 00:20:36 +02:00
|
|
|
hwif->irq = hwif->channel ? 15 : 14;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
for (i = 0; i < 2; i++) {
|
|
|
|
hwif->drives[i].io_32bit = 1;
|
2005-11-18 22:09:45 +01:00
|
|
|
hwif->drives[i].unmask = (vdev->via_config->flags & VIA_NO_UNMASK) ? 0 : 1;
|
2005-04-17 00:20:36 +02:00
|
|
|
hwif->drives[i].autotune = 1;
|
|
|
|
hwif->drives[i].dn = hwif->channel * 2 + i;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (!hwif->dma_base)
|
|
|
|
return;
|
|
|
|
|
|
|
|
hwif->atapi_dma = 1;
|
2007-07-09 23:17:57 +02:00
|
|
|
|
|
|
|
hwif->ultra_mask = vdev->via_config->udma_mask;
|
2005-04-17 00:20:36 +02:00
|
|
|
hwif->mwdma_mask = 0x07;
|
|
|
|
hwif->swdma_mask = 0x07;
|
|
|
|
|
2007-07-09 23:17:58 +02:00
|
|
|
if (hwif->cbl != ATA_CBL_PATA40_SHORT)
|
|
|
|
hwif->cbl = via82cxxx_cable_detect(hwif);
|
2007-07-09 23:17:58 +02:00
|
|
|
|
2005-04-17 00:20:36 +02:00
|
|
|
hwif->ide_dma_check = &via82cxxx_ide_dma_check;
|
|
|
|
if (!noautodma)
|
|
|
|
hwif->autodma = 1;
|
|
|
|
hwif->drives[0].autodma = hwif->autodma;
|
|
|
|
hwif->drives[1].autodma = hwif->autodma;
|
|
|
|
}
|
|
|
|
|
2005-11-19 21:32:38 +01:00
|
|
|
static ide_pci_device_t via82cxxx_chipsets[] __devinitdata = {
|
|
|
|
{ /* 0 */
|
|
|
|
.name = "VP_IDE",
|
|
|
|
.init_chipset = init_chipset_via82cxxx,
|
|
|
|
.init_hwif = init_hwif_via82cxxx,
|
|
|
|
.autodma = NOAUTODMA,
|
|
|
|
.enablebits = {{0x40,0x02,0x02}, {0x40,0x01,0x01}},
|
2007-07-20 01:11:58 +02:00
|
|
|
.bootable = ON_BOARD,
|
|
|
|
.host_flags = IDE_HFLAG_PIO_NO_BLACKLIST
|
|
|
|
| IDE_HFLAG_PIO_NO_DOWNGRADE,
|
2007-07-20 01:11:59 +02:00
|
|
|
.pio_mask = ATA_PIO5,
|
2005-11-19 21:32:38 +01:00
|
|
|
},{ /* 1 */
|
|
|
|
.name = "VP_IDE",
|
|
|
|
.init_chipset = init_chipset_via82cxxx,
|
|
|
|
.init_hwif = init_hwif_via82cxxx,
|
|
|
|
.autodma = AUTODMA,
|
|
|
|
.enablebits = {{0x00,0x00,0x00}, {0x00,0x00,0x00}},
|
|
|
|
.bootable = ON_BOARD,
|
2007-07-20 01:11:58 +02:00
|
|
|
.host_flags = IDE_HFLAG_PIO_NO_BLACKLIST
|
|
|
|
| IDE_HFLAG_PIO_NO_DOWNGRADE,
|
2007-07-20 01:11:59 +02:00
|
|
|
.pio_mask = ATA_PIO5,
|
2005-11-19 21:32:38 +01:00
|
|
|
}
|
2005-04-17 00:20:36 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_id *id)
|
|
|
|
{
|
2006-12-07 05:36:12 +01:00
|
|
|
struct pci_dev *isa = NULL;
|
|
|
|
struct via_isa_bridge *via_config;
|
|
|
|
/*
|
|
|
|
* Find the ISA bridge and check we know what it is.
|
|
|
|
*/
|
|
|
|
via_config = via_config_find(&isa);
|
|
|
|
pci_dev_put(isa);
|
|
|
|
if (!via_config->id) {
|
|
|
|
printk(KERN_WARNING "VP_IDE: Unknown VIA SouthBridge, disabling DMA.\n");
|
|
|
|
return -ENODEV;
|
|
|
|
}
|
2005-11-19 21:32:38 +01:00
|
|
|
return ide_setup_pci_device(dev, &via82cxxx_chipsets[id->driver_data]);
|
2005-04-17 00:20:36 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
static struct pci_device_id via_pci_tbl[] = {
|
|
|
|
{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C576_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
|
|
|
{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
|
2005-11-19 21:32:38 +01:00
|
|
|
{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_6410, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
|
2007-01-27 13:47:08 +01:00
|
|
|
{ PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_SATA_EIDE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1},
|
2005-04-17 00:20:36 +02:00
|
|
|
{ 0, },
|
|
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, via_pci_tbl);
|
|
|
|
|
|
|
|
static struct pci_driver driver = {
|
|
|
|
.name = "VIA_IDE",
|
|
|
|
.id_table = via_pci_tbl,
|
|
|
|
.probe = via_init_one,
|
|
|
|
};
|
|
|
|
|
2007-01-27 13:46:56 +01:00
|
|
|
static int __init via_ide_init(void)
|
2005-04-17 00:20:36 +02:00
|
|
|
{
|
|
|
|
return ide_pci_register_driver(&driver);
|
|
|
|
}
|
|
|
|
|
|
|
|
module_init(via_ide_init);
|
|
|
|
|
|
|
|
MODULE_AUTHOR("Vojtech Pavlik, Michel Aubry, Jeff Garzik, Andre Hedrick");
|
|
|
|
MODULE_DESCRIPTION("PCI driver module for VIA IDE");
|
|
|
|
MODULE_LICENSE("GPL");
|