2005-04-17 00:20:36 +02:00
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/*
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*
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2007-10-13 17:47:51 +02:00
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* Version 3.49
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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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2007-09-11 04:06:01 +02:00
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{ "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
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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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ide: move ide_config_drive_speed() calls to upper layers (take 2)
* Convert {ide_hwif_t,ide_pci_device_t}->host_flag to be u16.
* Add IDE_HFLAG_POST_SET_MODE host flag to indicate the need to program
the host for the transfer mode after programming the device. Set it
in au1xxx-ide, amd74xx, cs5530, cs5535, pdc202xx_new, sc1200, pmac
and via82cxxx host drivers.
* Add IDE_HFLAG_NO_SET_MODE host flag to indicate the need to completely
skip programming of host/device for the transfer mode ("smart" hosts).
Set it in it821x host driver and check it in ide_tune_dma().
* Add ide_set_pio_mode()/ide_set_dma_mode() helpers and convert all
direct ->set_pio_mode/->speedproc users to use these helpers.
* Move ide_config_drive_speed() calls from ->set_pio_mode/->speedproc
methods to callers.
* Rename ->speedproc method to ->set_dma_mode, make it void and update
all implementations accordingly.
* Update ide_set_xfer_rate() comments.
* Unexport ide_config_drive_speed().
v2:
* Fix issues noticed by Sergei:
- export ide_set_dma_mode() instead of moving ->set_pio_mode abuse wrt
to setting DMA modes from sc1200_set_pio_mode() to do_special()
- check IDE_HFLAG_NO_SET_MODE in ide_tune_dma()
- check for (hwif->set_pio_mode) == NULL in ide_set_pio_mode()
- check for (hwif->set_dma_mode) == NULL in ide_set_dma_mode()
- return -1 from ide_set_{pio,dma}_mode() if ->set_{pio,dma}_mode == NULL
- don't set ->set_{pio,dma}_mode on it821x in "smart" mode
- fix build problem in pmac.c
- minor fixes in au1xxx-ide.c/cs5530.c/siimage.c
- improve patch description
Changes in behavior caused by this patch:
- HDIO_SET_PIO_MODE ioctl would now return -ENOSYS for attempts to change
PIO mode if it821x controller is in "smart" mode
- removal of two debugging printk-s (from cs5530.c and sc1200.c)
- transfer modes 0x00-0x07 passed from user space may be programmed twice on
the device (not really an issue since 0x00 is not supported correctly by
any host driver ATM, 0x01 is not supported at all and 0x02-0x07 are invalid)
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-13 17:47:51 +02:00
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* via_set_drive() computes timing values configures the chipset to
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* a desired transfer mode. It also can be called by upper layers.
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2005-04-17 00:20:36 +02:00
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*/
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ide: move ide_config_drive_speed() calls to upper layers (take 2)
* Convert {ide_hwif_t,ide_pci_device_t}->host_flag to be u16.
* Add IDE_HFLAG_POST_SET_MODE host flag to indicate the need to program
the host for the transfer mode after programming the device. Set it
in au1xxx-ide, amd74xx, cs5530, cs5535, pdc202xx_new, sc1200, pmac
and via82cxxx host drivers.
* Add IDE_HFLAG_NO_SET_MODE host flag to indicate the need to completely
skip programming of host/device for the transfer mode ("smart" hosts).
Set it in it821x host driver and check it in ide_tune_dma().
* Add ide_set_pio_mode()/ide_set_dma_mode() helpers and convert all
direct ->set_pio_mode/->speedproc users to use these helpers.
* Move ide_config_drive_speed() calls from ->set_pio_mode/->speedproc
methods to callers.
* Rename ->speedproc method to ->set_dma_mode, make it void and update
all implementations accordingly.
* Update ide_set_xfer_rate() comments.
* Unexport ide_config_drive_speed().
v2:
* Fix issues noticed by Sergei:
- export ide_set_dma_mode() instead of moving ->set_pio_mode abuse wrt
to setting DMA modes from sc1200_set_pio_mode() to do_special()
- check IDE_HFLAG_NO_SET_MODE in ide_tune_dma()
- check for (hwif->set_pio_mode) == NULL in ide_set_pio_mode()
- check for (hwif->set_dma_mode) == NULL in ide_set_dma_mode()
- return -1 from ide_set_{pio,dma}_mode() if ->set_{pio,dma}_mode == NULL
- don't set ->set_{pio,dma}_mode on it821x in "smart" mode
- fix build problem in pmac.c
- minor fixes in au1xxx-ide.c/cs5530.c/siimage.c
- improve patch description
Changes in behavior caused by this patch:
- HDIO_SET_PIO_MODE ioctl would now return -ENOSYS for attempts to change
PIO mode if it821x controller is in "smart" mode
- removal of two debugging printk-s (from cs5530.c and sc1200.c)
- transfer modes 0x00-0x07 passed from user space may be programmed twice on
the device (not really an issue since 0x00 is not supported correctly by
any host driver ATM, 0x01 is not supported at all and 0x02-0x07 are invalid)
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-13 17:47:51 +02:00
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static void via_set_drive(ide_drive_t *drive, const u8 speed)
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2005-04-17 00:20:36 +02:00
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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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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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}
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/**
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ide: move ide_config_drive_speed() calls to upper layers (take 2)
* Convert {ide_hwif_t,ide_pci_device_t}->host_flag to be u16.
* Add IDE_HFLAG_POST_SET_MODE host flag to indicate the need to program
the host for the transfer mode after programming the device. Set it
in au1xxx-ide, amd74xx, cs5530, cs5535, pdc202xx_new, sc1200, pmac
and via82cxxx host drivers.
* Add IDE_HFLAG_NO_SET_MODE host flag to indicate the need to completely
skip programming of host/device for the transfer mode ("smart" hosts).
Set it in it821x host driver and check it in ide_tune_dma().
* Add ide_set_pio_mode()/ide_set_dma_mode() helpers and convert all
direct ->set_pio_mode/->speedproc users to use these helpers.
* Move ide_config_drive_speed() calls from ->set_pio_mode/->speedproc
methods to callers.
* Rename ->speedproc method to ->set_dma_mode, make it void and update
all implementations accordingly.
* Update ide_set_xfer_rate() comments.
* Unexport ide_config_drive_speed().
v2:
* Fix issues noticed by Sergei:
- export ide_set_dma_mode() instead of moving ->set_pio_mode abuse wrt
to setting DMA modes from sc1200_set_pio_mode() to do_special()
- check IDE_HFLAG_NO_SET_MODE in ide_tune_dma()
- check for (hwif->set_pio_mode) == NULL in ide_set_pio_mode()
- check for (hwif->set_dma_mode) == NULL in ide_set_dma_mode()
- return -1 from ide_set_{pio,dma}_mode() if ->set_{pio,dma}_mode == NULL
- don't set ->set_{pio,dma}_mode on it821x in "smart" mode
- fix build problem in pmac.c
- minor fixes in au1xxx-ide.c/cs5530.c/siimage.c
- improve patch description
Changes in behavior caused by this patch:
- HDIO_SET_PIO_MODE ioctl would now return -ENOSYS for attempts to change
PIO mode if it821x controller is in "smart" mode
- removal of two debugging printk-s (from cs5530.c and sc1200.c)
- transfer modes 0x00-0x07 passed from user space may be programmed twice on
the device (not really an issue since 0x00 is not supported correctly by
any host driver ATM, 0x01 is not supported at all and 0x02-0x07 are invalid)
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-13 17:47:51 +02:00
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* via_set_pio_mode - set host controller for PIO mode
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2007-10-11 23:54:00 +02:00
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* @drive: drive
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* @pio: PIO mode number
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2005-04-17 00:20:36 +02:00
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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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2007-10-11 23:54:00 +02:00
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static void via_set_pio_mode(ide_drive_t *drive, const u8 pio)
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2005-04-17 00:20:36 +02:00
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{
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2007-10-11 23:54:00 +02:00
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via_set_drive(drive, XFER_PIO_0 + pio);
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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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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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}
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break;
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2007-07-09 23:17:57 +02:00
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case ATA_UDMA6:
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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) < 6))) {
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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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}
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break;
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}
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}
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2005-04-17 00:20:36 +02:00
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/**
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* init_chipset_via82cxxx - initialization handler
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* @dev: PCI device
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* @name: Name of interface
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*
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* The initialization callback. Here we determine the IDE chip type
|
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* and initialize its drive independent registers.
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*/
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2005-07-03 16:42:18 +02:00
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static unsigned int __devinit init_chipset_via82cxxx(struct pci_dev *dev, const char *name)
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2005-04-17 00:20:36 +02:00
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{
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struct pci_dev *isa = NULL;
|
2007-01-06 01:36:21 +01:00
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struct via82cxxx_dev *vdev;
|
2005-11-18 22:09:45 +01:00
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struct via_isa_bridge *via_config;
|
2005-04-17 00:20:36 +02:00
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u8 t, v;
|
2007-01-06 01:36:21 +01:00
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u32 u;
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vdev = kzalloc(sizeof(*vdev), GFP_KERNEL);
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if (!vdev) {
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printk(KERN_ERR "VP_IDE: out of memory :(\n");
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return -ENOMEM;
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}
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pci_set_drvdata(dev, vdev);
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2005-04-17 00:20:36 +02:00
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/*
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* Find the ISA bridge to see how good the IDE is.
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*/
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2007-01-06 01:36:21 +01:00
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vdev->via_config = via_config = via_config_find(&isa);
|
2006-12-07 05:36:12 +01:00
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/* We checked this earlier so if it fails here deeep badness
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is involved */
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BUG_ON(!via_config->id);
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2005-04-17 00:20:36 +02:00
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/*
|
2007-01-06 01:36:21 +01:00
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* Detect cable and configure Clk66
|
2005-04-17 00:20:36 +02:00
|
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*/
|
2007-01-06 01:36:21 +01:00
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pci_read_config_dword(dev, VIA_UDMA_TIMING, &u);
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via_cable_detect(vdev, u);
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2005-04-17 00:20:36 +02:00
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2007-07-09 23:17:57 +02:00
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if (via_config->udma_mask == ATA_UDMA4) {
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2005-11-18 22:09:45 +01:00
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/* Enable Clk66 */
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pci_write_config_dword(dev, VIA_UDMA_TIMING, u|0x80008);
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} else if (via_config->flags & VIA_BAD_CLK66) {
|
2005-04-17 00:20:36 +02:00
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/* Would cause trouble on 596a and 686 */
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pci_write_config_dword(dev, VIA_UDMA_TIMING, u & ~0x80008);
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}
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/*
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* Check whether interfaces are enabled.
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*/
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pci_read_config_byte(dev, VIA_IDE_ENABLE, &v);
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/*
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* Set up FIFO sizes and thresholds.
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|
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*/
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pci_read_config_byte(dev, VIA_FIFO_CONFIG, &t);
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/* Disable PREQ# till DDACK# */
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if (via_config->flags & VIA_BAD_PREQ) {
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/* Would crash on 586b rev 41 */
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t &= 0x7f;
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}
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/* Fix FIFO split between channels */
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if (via_config->flags & VIA_SET_FIFO) {
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t &= (t & 0x9f);
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switch (v & 3) {
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case 2: t |= 0x00; break; /* 16 on primary */
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case 1: t |= 0x60; break; /* 16 on secondary */
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case 3: t |= 0x20; break; /* 8 pri 8 sec */
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}
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}
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pci_write_config_byte(dev, VIA_FIFO_CONFIG, t);
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/*
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* Determine system bus clock.
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*/
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via_clock = system_bus_clock() * 1000;
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switch (via_clock) {
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case 33000: via_clock = 33333; break;
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case 37000: via_clock = 37500; break;
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case 41000: via_clock = 41666; break;
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}
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if (via_clock < 20000 || via_clock > 50000) {
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printk(KERN_WARNING "VP_IDE: User given PCI clock speed "
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"impossible (%d), using 33 MHz instead.\n", via_clock);
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printk(KERN_WARNING "VP_IDE: Use ide0=ata66 if you want "
|
|
|
|
"to assume 80-wire cable.\n");
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via_clock = 33333;
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}
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/*
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* Print the boot message.
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*/
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|
2007-07-09 23:17:57 +02:00
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printk(KERN_INFO "VP_IDE: VIA %s (rev %02x) IDE %sDMA%s "
|
2005-04-17 00:20:36 +02:00
|
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"controller on pci%s\n",
|
2007-06-09 00:46:36 +02:00
|
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via_config->name, isa->revision,
|
2007-07-09 23:17:57 +02:00
|
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via_config->udma_mask ? "U" : "MW",
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via_dma[via_config->udma_mask ?
|
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(fls(via_config->udma_mask) - 1) : 0],
|
2005-04-17 00:20:36 +02:00
|
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pci_name(dev));
|
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|
2006-10-03 10:14:35 +02:00
|
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pci_dev_put(isa);
|
2005-04-17 00:20:36 +02:00
|
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|
return 0;
|
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|
|
}
|
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|
2007-07-09 23:17:58 +02:00
|
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/*
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* Cable special cases
|
|
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*/
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2007-10-03 21:15:40 +02:00
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static const struct dmi_system_id cable_dmi_table[] = {
|
2007-07-09 23:17:58 +02:00
|
|
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{
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.ident = "Acer Ferrari 3400",
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|
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.matches = {
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DMI_MATCH(DMI_BOARD_VENDOR, "Acer,Inc."),
|
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|
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DMI_MATCH(DMI_BOARD_NAME, "Ferrari 3400"),
|
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},
|
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|
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},
|
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|
|
{ }
|
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};
|
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|
2007-09-11 22:28:37 +02:00
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static int via_cable_override(struct pci_dev *pdev)
|
2007-07-09 23:17:58 +02:00
|
|
|
{
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|
|
/* Systems by DMI */
|
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if (dmi_check_system(cable_dmi_table))
|
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|
return 1;
|
2007-09-11 22:28:37 +02:00
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|
|
/* Arima W730-K8/Targa Visionary 811/... */
|
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|
|
if (pdev->subsystem_vendor == 0x161F &&
|
|
|
|
pdev->subsystem_device == 0x2032)
|
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return 1;
|
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|
2007-07-09 23:17:58 +02:00
|
|
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return 0;
|
|
|
|
}
|
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|
|
|
static u8 __devinit via82cxxx_cable_detect(ide_hwif_t *hwif)
|
|
|
|
{
|
2007-09-11 22:28:37 +02:00
|
|
|
struct pci_dev *pdev = hwif->pci_dev;
|
|
|
|
struct via82cxxx_dev *vdev = pci_get_drvdata(pdev);
|
2007-07-09 23:17:58 +02:00
|
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|
2007-09-11 22:28:37 +02:00
|
|
|
if (via_cable_override(pdev))
|
2007-07-09 23:17:58 +02:00
|
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return ATA_CBL_PATA40_SHORT;
|
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|
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|
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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
|
|
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{
|
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
|
|
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int i;
|
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hwif->autodma = 0;
|
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|
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|
2007-10-11 23:54:00 +02:00
|
|
|
hwif->set_pio_mode = &via_set_pio_mode;
|
ide: move ide_config_drive_speed() calls to upper layers (take 2)
* Convert {ide_hwif_t,ide_pci_device_t}->host_flag to be u16.
* Add IDE_HFLAG_POST_SET_MODE host flag to indicate the need to program
the host for the transfer mode after programming the device. Set it
in au1xxx-ide, amd74xx, cs5530, cs5535, pdc202xx_new, sc1200, pmac
and via82cxxx host drivers.
* Add IDE_HFLAG_NO_SET_MODE host flag to indicate the need to completely
skip programming of host/device for the transfer mode ("smart" hosts).
Set it in it821x host driver and check it in ide_tune_dma().
* Add ide_set_pio_mode()/ide_set_dma_mode() helpers and convert all
direct ->set_pio_mode/->speedproc users to use these helpers.
* Move ide_config_drive_speed() calls from ->set_pio_mode/->speedproc
methods to callers.
* Rename ->speedproc method to ->set_dma_mode, make it void and update
all implementations accordingly.
* Update ide_set_xfer_rate() comments.
* Unexport ide_config_drive_speed().
v2:
* Fix issues noticed by Sergei:
- export ide_set_dma_mode() instead of moving ->set_pio_mode abuse wrt
to setting DMA modes from sc1200_set_pio_mode() to do_special()
- check IDE_HFLAG_NO_SET_MODE in ide_tune_dma()
- check for (hwif->set_pio_mode) == NULL in ide_set_pio_mode()
- check for (hwif->set_dma_mode) == NULL in ide_set_dma_mode()
- return -1 from ide_set_{pio,dma}_mode() if ->set_{pio,dma}_mode == NULL
- don't set ->set_{pio,dma}_mode on it821x in "smart" mode
- fix build problem in pmac.c
- minor fixes in au1xxx-ide.c/cs5530.c/siimage.c
- improve patch description
Changes in behavior caused by this patch:
- HDIO_SET_PIO_MODE ioctl would now return -ENOSYS for attempts to change
PIO mode if it821x controller is in "smart" mode
- removal of two debugging printk-s (from cs5530.c and sc1200.c)
- transfer modes 0x00-0x07 passed from user space may be programmed twice on
the device (not really an issue since 0x00 is not supported correctly by
any host driver ATM, 0x01 is not supported at all and 0x02-0x07 are invalid)
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-13 17:47:51 +02:00
|
|
|
hwif->set_dma_mode = &via_set_drive;
|
2005-04-17 00:20:36 +02:00
|
|
|
|
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
|
|
|
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: move ide_config_drive_speed() calls to upper layers (take 2)
* Convert {ide_hwif_t,ide_pci_device_t}->host_flag to be u16.
* Add IDE_HFLAG_POST_SET_MODE host flag to indicate the need to program
the host for the transfer mode after programming the device. Set it
in au1xxx-ide, amd74xx, cs5530, cs5535, pdc202xx_new, sc1200, pmac
and via82cxxx host drivers.
* Add IDE_HFLAG_NO_SET_MODE host flag to indicate the need to completely
skip programming of host/device for the transfer mode ("smart" hosts).
Set it in it821x host driver and check it in ide_tune_dma().
* Add ide_set_pio_mode()/ide_set_dma_mode() helpers and convert all
direct ->set_pio_mode/->speedproc users to use these helpers.
* Move ide_config_drive_speed() calls from ->set_pio_mode/->speedproc
methods to callers.
* Rename ->speedproc method to ->set_dma_mode, make it void and update
all implementations accordingly.
* Update ide_set_xfer_rate() comments.
* Unexport ide_config_drive_speed().
v2:
* Fix issues noticed by Sergei:
- export ide_set_dma_mode() instead of moving ->set_pio_mode abuse wrt
to setting DMA modes from sc1200_set_pio_mode() to do_special()
- check IDE_HFLAG_NO_SET_MODE in ide_tune_dma()
- check for (hwif->set_pio_mode) == NULL in ide_set_pio_mode()
- check for (hwif->set_dma_mode) == NULL in ide_set_dma_mode()
- return -1 from ide_set_{pio,dma}_mode() if ->set_{pio,dma}_mode == NULL
- don't set ->set_{pio,dma}_mode on it821x in "smart" mode
- fix build problem in pmac.c
- minor fixes in au1xxx-ide.c/cs5530.c/siimage.c
- improve patch description
Changes in behavior caused by this patch:
- HDIO_SET_PIO_MODE ioctl would now return -ENOSYS for attempts to change
PIO mode if it821x controller is in "smart" mode
- removal of two debugging printk-s (from cs5530.c and sc1200.c)
- transfer modes 0x00-0x07 passed from user space may be programmed twice on
the device (not really an issue since 0x00 is not supported correctly by
any host driver ATM, 0x01 is not supported at all and 0x02-0x07 are invalid)
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-13 17:47:51 +02:00
|
|
|
| IDE_HFLAG_PIO_NO_DOWNGRADE
|
|
|
|
| IDE_HFLAG_POST_SET_MODE,
|
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: move ide_config_drive_speed() calls to upper layers (take 2)
* Convert {ide_hwif_t,ide_pci_device_t}->host_flag to be u16.
* Add IDE_HFLAG_POST_SET_MODE host flag to indicate the need to program
the host for the transfer mode after programming the device. Set it
in au1xxx-ide, amd74xx, cs5530, cs5535, pdc202xx_new, sc1200, pmac
and via82cxxx host drivers.
* Add IDE_HFLAG_NO_SET_MODE host flag to indicate the need to completely
skip programming of host/device for the transfer mode ("smart" hosts).
Set it in it821x host driver and check it in ide_tune_dma().
* Add ide_set_pio_mode()/ide_set_dma_mode() helpers and convert all
direct ->set_pio_mode/->speedproc users to use these helpers.
* Move ide_config_drive_speed() calls from ->set_pio_mode/->speedproc
methods to callers.
* Rename ->speedproc method to ->set_dma_mode, make it void and update
all implementations accordingly.
* Update ide_set_xfer_rate() comments.
* Unexport ide_config_drive_speed().
v2:
* Fix issues noticed by Sergei:
- export ide_set_dma_mode() instead of moving ->set_pio_mode abuse wrt
to setting DMA modes from sc1200_set_pio_mode() to do_special()
- check IDE_HFLAG_NO_SET_MODE in ide_tune_dma()
- check for (hwif->set_pio_mode) == NULL in ide_set_pio_mode()
- check for (hwif->set_dma_mode) == NULL in ide_set_dma_mode()
- return -1 from ide_set_{pio,dma}_mode() if ->set_{pio,dma}_mode == NULL
- don't set ->set_{pio,dma}_mode on it821x in "smart" mode
- fix build problem in pmac.c
- minor fixes in au1xxx-ide.c/cs5530.c/siimage.c
- improve patch description
Changes in behavior caused by this patch:
- HDIO_SET_PIO_MODE ioctl would now return -ENOSYS for attempts to change
PIO mode if it821x controller is in "smart" mode
- removal of two debugging printk-s (from cs5530.c and sc1200.c)
- transfer modes 0x00-0x07 passed from user space may be programmed twice on
the device (not really an issue since 0x00 is not supported correctly by
any host driver ATM, 0x01 is not supported at all and 0x02-0x07 are invalid)
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2007-10-13 17:47:51 +02:00
|
|
|
| IDE_HFLAG_PIO_NO_DOWNGRADE
|
|
|
|
| IDE_HFLAG_POST_SET_MODE,
|
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");
|