1/*
  2 *  Copyright (C) 2001-2002	Andre Hedrick <andre@linux-ide.org>
  3 *  Portions (C) Copyright 2002  Red Hat Inc
  4 *
  5 * This program is free software; you can redistribute it and/or modify it
  6 * under the terms of the GNU General Public License as published by the
  7 * Free Software Foundation; either version 2, or (at your option) any
  8 * later version.
  9 *
 10 * This program is distributed in the hope that it will be useful, but
 11 * WITHOUT ANY WARRANTY; without even the implied warranty of
 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 13 * General Public License for more details.
 14 *
 15 * For the avoidance of doubt the "preferred form" of this code is one which
 16 * is in an open non patent encumbered format. Where cryptographic key signing
 17 * forms part of the process of creating an executable the information
 18 * including keys needed to generate an equivalently functional executable
 19 * are deemed to be part of the source code.
 20 */
 21
 22#include <linux/types.h>
 23#include <linux/module.h>
 24#include <linux/kernel.h>
 25#include <linux/pci.h>
 26#include <linux/ide.h>
 27#include <linux/init.h>
 28
 29#define DRV_NAME "ide_pci_generic"
 30
 31static bool ide_generic_all;		/* Set to claim all devices */
 32
 33module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
 34MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
 35
 36static void netcell_quirkproc(ide_drive_t *drive)
 37{
 38	/* mark words 85-87 as valid */
 39	drive->id[ATA_ID_CSF_DEFAULT] |= 0x4000;
 40}
 41
 42static const struct ide_port_ops netcell_port_ops = {
 43	.quirkproc		= netcell_quirkproc,
 44};
 45
 46#define DECLARE_GENERIC_PCI_DEV(extra_flags) \
 47	{ \
 48		.name		= DRV_NAME, \
 49		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA | \
 50				  extra_flags, \
 51		.swdma_mask	= ATA_SWDMA2, \
 52		.mwdma_mask	= ATA_MWDMA2, \
 53		.udma_mask	= ATA_UDMA6, \
 54	}
 55
 56static const struct ide_port_info generic_chipsets[] = {
 57	/*  0: Unknown */
 58	DECLARE_GENERIC_PCI_DEV(0),
 59
 60	{	/* 1: NS87410 */
 61		.name		= DRV_NAME,
 62		.enablebits	= { {0x43, 0x08, 0x08}, {0x47, 0x08, 0x08} },
 63		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA,
 64		.swdma_mask	= ATA_SWDMA2,
 65		.mwdma_mask	= ATA_MWDMA2,
 66		.udma_mask	= ATA_UDMA6,
 67	},
 68
 69	/*  2: SAMURAI / HT6565 / HINT_IDE */
 70	DECLARE_GENERIC_PCI_DEV(0),
 71	/*  3: UM8673F / UM8886A / UM8886BF */
 72	DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_DMA),
 73	/*  4: VIA_IDE / OPTI621V / Piccolo010{2,3,5} */
 74	DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_AUTODMA),
 75
 76	{	/* 5: VIA8237SATA */
 77		.name		= DRV_NAME,
 78		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA |
 79				  IDE_HFLAG_OFF_BOARD,
 80		.swdma_mask	= ATA_SWDMA2,
 81		.mwdma_mask	= ATA_MWDMA2,
 82		.udma_mask	= ATA_UDMA6,
 83	},
 84
 85	{	/* 6: Revolution */
 86		.name		= DRV_NAME,
 87		.port_ops	= &netcell_port_ops,
 88		.host_flags	= IDE_HFLAG_CLEAR_SIMPLEX |
 89				  IDE_HFLAG_TRUST_BIOS_FOR_DMA |
 90				  IDE_HFLAG_OFF_BOARD,
 91		.swdma_mask	= ATA_SWDMA2,
 92		.mwdma_mask	= ATA_MWDMA2,
 93		.udma_mask	= ATA_UDMA6,
 94	}
 95};
 96
 97/**
 98 *	generic_init_one	-	called when a PIIX is found
 99 *	@dev: the generic device
100 *	@id: the matching pci id
101 *
102 *	Called when the PCI registration layer (or the IDE initialization)
103 *	finds a device matching our IDE device tables.
104 */
105
106static int generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
107{
108	const struct ide_port_info *d = &generic_chipsets[id->driver_data];
109	int ret = -ENODEV;
110
111	/* Don't use the generic entry unless instructed to do so */
112	if (id->driver_data == 0 && ide_generic_all == 0)
113			goto out;
114
115	switch (dev->vendor) {
116	case PCI_VENDOR_ID_UMC:
117		if (dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
118				!(PCI_FUNC(dev->devfn) & 1))
119			goto out; /* UM8886A/BF pair */
120		break;
121	case PCI_VENDOR_ID_OPTI:
122		if (dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
123				!(PCI_FUNC(dev->devfn) & 1))
124			goto out;
125		break;
126	case PCI_VENDOR_ID_JMICRON:
127		if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 &&
128				PCI_FUNC(dev->devfn) != 1)
129			goto out;
130		break;
131	case PCI_VENDOR_ID_NS:
132		if (dev->device == PCI_DEVICE_ID_NS_87410 &&
133				(dev->class >> 8) != PCI_CLASS_STORAGE_IDE)
134			goto out;
135		break;
136	}
137
138	if (dev->vendor != PCI_VENDOR_ID_JMICRON) {
139		u16 command;
140		pci_read_config_word(dev, PCI_COMMAND, &command);
141		if (!(command & PCI_COMMAND_IO)) {
142			printk(KERN_INFO "%s %s: skipping disabled "
143				"controller\n", d->name, pci_name(dev));
144			goto out;
145		}
146	}
147	ret = ide_pci_init_one(dev, d, NULL);
148out:
149	return ret;
150}
151
152static const struct pci_device_id generic_pci_tbl[] = {
153	{ PCI_VDEVICE(NS,	PCI_DEVICE_ID_NS_87410),		 1 },
154	{ PCI_VDEVICE(PCTECH,	PCI_DEVICE_ID_PCTECH_SAMURAI_IDE),	 2 },
155	{ PCI_VDEVICE(HOLTEK,	PCI_DEVICE_ID_HOLTEK_6565),		 2 },
156	{ PCI_VDEVICE(UMC,	PCI_DEVICE_ID_UMC_UM8673F),		 3 },
157	{ PCI_VDEVICE(UMC,	PCI_DEVICE_ID_UMC_UM8886A),		 3 },
158	{ PCI_VDEVICE(UMC,	PCI_DEVICE_ID_UMC_UM8886BF),		 3 },
159	{ PCI_VDEVICE(HINT,	PCI_DEVICE_ID_HINT_VXPROII_IDE),	 2 },
160	{ PCI_VDEVICE(VIA,	PCI_DEVICE_ID_VIA_82C561),		 4 },
161	{ PCI_VDEVICE(OPTI,	PCI_DEVICE_ID_OPTI_82C558),		 4 },
162#ifdef CONFIG_BLK_DEV_IDE_SATA
163	{ PCI_VDEVICE(VIA,	PCI_DEVICE_ID_VIA_8237_SATA),		 5 },
164#endif
165	{ PCI_VDEVICE(TOSHIBA,	PCI_DEVICE_ID_TOSHIBA_PICCOLO_1),	 4 },
166	{ PCI_VDEVICE(TOSHIBA,	PCI_DEVICE_ID_TOSHIBA_PICCOLO_2),	 4 },
167	{ PCI_VDEVICE(TOSHIBA,	PCI_DEVICE_ID_TOSHIBA_PICCOLO_3),	 4 },
168	{ PCI_VDEVICE(TOSHIBA,	PCI_DEVICE_ID_TOSHIBA_PICCOLO_5),	 4 },
169	{ PCI_VDEVICE(NETCELL,	PCI_DEVICE_ID_REVOLUTION),		 6 },
170	/*
171	 * Must come last.  If you add entries adjust
172	 * this table and generic_chipsets[] appropriately.
173	 */
174	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0 },
175	{ 0, },
176};
177MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
178
179static struct pci_driver generic_pci_driver = {
180	.name		= "PCI_IDE",
181	.id_table	= generic_pci_tbl,
182	.probe		= generic_init_one,
183	.remove		= ide_pci_remove,
184	.suspend	= ide_pci_suspend,
185	.resume		= ide_pci_resume,
186};
187
188static int __init generic_ide_init(void)
189{
190	return ide_pci_register_driver(&generic_pci_driver);
191}
192
193static void __exit generic_ide_exit(void)
194{
195	pci_unregister_driver(&generic_pci_driver);
196}
197
198module_init(generic_ide_init);
199module_exit(generic_ide_exit);
200
201MODULE_AUTHOR("Andre Hedrick");
202MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
203MODULE_LICENSE("GPL");

  1/*
  2 *  Copyright (C) 2001-2002	Andre Hedrick <andre@linux-ide.org>
  3 *  Portions (C) Copyright 2002  Red Hat Inc
  4 *
  5 * This program is free software; you can redistribute it and/or modify it
  6 * under the terms of the GNU General Public License as published by the
  7 * Free Software Foundation; either version 2, or (at your option) any
  8 * later version.
  9 *
 10 * This program is distributed in the hope that it will be useful, but
 11 * WITHOUT ANY WARRANTY; without even the implied warranty of
 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 13 * General Public License for more details.
 14 *
 15 * For the avoidance of doubt the "preferred form" of this code is one which
 16 * is in an open non patent encumbered format. Where cryptographic key signing
 17 * forms part of the process of creating an executable the information
 18 * including keys needed to generate an equivalently functional executable
 19 * are deemed to be part of the source code.
 20 */
 21
 22#include <linux/types.h>
 23#include <linux/module.h>
 24#include <linux/kernel.h>
 25#include <linux/pci.h>
 26#include <linux/ide.h>
 27#include <linux/init.h>
 28
 29#define DRV_NAME "ide_pci_generic"
 30
 31static int ide_generic_all;		/* Set to claim all devices */
 32
 33module_param_named(all_generic_ide, ide_generic_all, bool, 0444);
 34MODULE_PARM_DESC(all_generic_ide, "IDE generic will claim all unknown PCI IDE storage controllers.");
 35
 36static void netcell_quirkproc(ide_drive_t *drive)
 37{
 38	/* mark words 85-87 as valid */
 39	drive->id[ATA_ID_CSF_DEFAULT] |= 0x4000;
 40}
 41
 42static const struct ide_port_ops netcell_port_ops = {
 43	.quirkproc		= netcell_quirkproc,
 44};
 45
 46#define DECLARE_GENERIC_PCI_DEV(extra_flags) \
 47	{ \
 48		.name		= DRV_NAME, \
 49		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA | \
 50				  extra_flags, \
 51		.swdma_mask	= ATA_SWDMA2, \
 52		.mwdma_mask	= ATA_MWDMA2, \
 53		.udma_mask	= ATA_UDMA6, \
 54	}
 55
 56static const struct ide_port_info generic_chipsets[] __devinitdata = {
 57	/*  0: Unknown */
 58	DECLARE_GENERIC_PCI_DEV(0),
 59
 60	{	/* 1: NS87410 */
 61		.name		= DRV_NAME,
 62		.enablebits	= { {0x43, 0x08, 0x08}, {0x47, 0x08, 0x08} },
 63		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA,
 64		.swdma_mask	= ATA_SWDMA2,
 65		.mwdma_mask	= ATA_MWDMA2,
 66		.udma_mask	= ATA_UDMA6,
 67	},
 68
 69	/*  2: SAMURAI / HT6565 / HINT_IDE */
 70	DECLARE_GENERIC_PCI_DEV(0),
 71	/*  3: UM8673F / UM8886A / UM8886BF */
 72	DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_DMA),
 73	/*  4: VIA_IDE / OPTI621V / Piccolo010{2,3,5} */
 74	DECLARE_GENERIC_PCI_DEV(IDE_HFLAG_NO_AUTODMA),
 75
 76	{	/* 5: VIA8237SATA */
 77		.name		= DRV_NAME,
 78		.host_flags	= IDE_HFLAG_TRUST_BIOS_FOR_DMA |
 79				  IDE_HFLAG_OFF_BOARD,
 80		.swdma_mask	= ATA_SWDMA2,
 81		.mwdma_mask	= ATA_MWDMA2,
 82		.udma_mask	= ATA_UDMA6,
 83	},
 84
 85	{	/* 6: Revolution */
 86		.name		= DRV_NAME,
 87		.port_ops	= &netcell_port_ops,
 88		.host_flags	= IDE_HFLAG_CLEAR_SIMPLEX |
 89				  IDE_HFLAG_TRUST_BIOS_FOR_DMA |
 90				  IDE_HFLAG_OFF_BOARD,
 91		.swdma_mask	= ATA_SWDMA2,
 92		.mwdma_mask	= ATA_MWDMA2,
 93		.udma_mask	= ATA_UDMA6,
 94	}
 95};
 96
 97/**
 98 *	generic_init_one	-	called when a PIIX is found
 99 *	@dev: the generic device
100 *	@id: the matching pci id
101 *
102 *	Called when the PCI registration layer (or the IDE initialization)
103 *	finds a device matching our IDE device tables.
104 */
105
106static int __devinit generic_init_one(struct pci_dev *dev, const struct pci_device_id *id)
107{
108	const struct ide_port_info *d = &generic_chipsets[id->driver_data];
109	int ret = -ENODEV;
110
111	/* Don't use the generic entry unless instructed to do so */
112	if (id->driver_data == 0 && ide_generic_all == 0)
113			goto out;
114
115	switch (dev->vendor) {
116	case PCI_VENDOR_ID_UMC:
117		if (dev->device == PCI_DEVICE_ID_UMC_UM8886A &&
118				!(PCI_FUNC(dev->devfn) & 1))
119			goto out; /* UM8886A/BF pair */
120		break;
121	case PCI_VENDOR_ID_OPTI:
122		if (dev->device == PCI_DEVICE_ID_OPTI_82C558 &&
123				!(PCI_FUNC(dev->devfn) & 1))
124			goto out;
125		break;
126	case PCI_VENDOR_ID_JMICRON:
127		if (dev->device != PCI_DEVICE_ID_JMICRON_JMB368 &&
128				PCI_FUNC(dev->devfn) != 1)
129			goto out;
130		break;
131	case PCI_VENDOR_ID_NS:
132		if (dev->device == PCI_DEVICE_ID_NS_87410 &&
133				(dev->class >> 8) != PCI_CLASS_STORAGE_IDE)
134			goto out;
135		break;
136	}
137
138	if (dev->vendor != PCI_VENDOR_ID_JMICRON) {
139		u16 command;
140		pci_read_config_word(dev, PCI_COMMAND, &command);
141		if (!(command & PCI_COMMAND_IO)) {
142			printk(KERN_INFO "%s %s: skipping disabled "
143				"controller\n", d->name, pci_name(dev));
144			goto out;
145		}
146	}
147	ret = ide_pci_init_one(dev, d, NULL);
148out:
149	return ret;
150}
151
152static const struct pci_device_id generic_pci_tbl[] = {
153	{ PCI_VDEVICE(NS,	PCI_DEVICE_ID_NS_87410),		 1 },
154	{ PCI_VDEVICE(PCTECH,	PCI_DEVICE_ID_PCTECH_SAMURAI_IDE),	 2 },
155	{ PCI_VDEVICE(HOLTEK,	PCI_DEVICE_ID_HOLTEK_6565),		 2 },
156	{ PCI_VDEVICE(UMC,	PCI_DEVICE_ID_UMC_UM8673F),		 3 },
157	{ PCI_VDEVICE(UMC,	PCI_DEVICE_ID_UMC_UM8886A),		 3 },
158	{ PCI_VDEVICE(UMC,	PCI_DEVICE_ID_UMC_UM8886BF),		 3 },
159	{ PCI_VDEVICE(HINT,	PCI_DEVICE_ID_HINT_VXPROII_IDE),	 2 },
160	{ PCI_VDEVICE(VIA,	PCI_DEVICE_ID_VIA_82C561),		 4 },
161	{ PCI_VDEVICE(OPTI,	PCI_DEVICE_ID_OPTI_82C558),		 4 },
162#ifdef CONFIG_BLK_DEV_IDE_SATA
163	{ PCI_VDEVICE(VIA,	PCI_DEVICE_ID_VIA_8237_SATA),		 5 },
164#endif
165	{ PCI_VDEVICE(TOSHIBA,	PCI_DEVICE_ID_TOSHIBA_PICCOLO_1),	 4 },
166	{ PCI_VDEVICE(TOSHIBA,	PCI_DEVICE_ID_TOSHIBA_PICCOLO_2),	 4 },
167	{ PCI_VDEVICE(TOSHIBA,	PCI_DEVICE_ID_TOSHIBA_PICCOLO_3),	 4 },
168	{ PCI_VDEVICE(TOSHIBA,	PCI_DEVICE_ID_TOSHIBA_PICCOLO_5),	 4 },
169	{ PCI_VDEVICE(NETCELL,	PCI_DEVICE_ID_REVOLUTION),		 6 },
170	/*
171	 * Must come last.  If you add entries adjust
172	 * this table and generic_chipsets[] appropriately.
173	 */
174	{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 0 },
175	{ 0, },
176};
177MODULE_DEVICE_TABLE(pci, generic_pci_tbl);
178
179static struct pci_driver generic_pci_driver = {
180	.name		= "PCI_IDE",
181	.id_table	= generic_pci_tbl,
182	.probe		= generic_init_one,
183	.remove		= ide_pci_remove,
184	.suspend	= ide_pci_suspend,
185	.resume		= ide_pci_resume,
186};
187
188static int __init generic_ide_init(void)
189{
190	return ide_pci_register_driver(&generic_pci_driver);
191}
192
193static void __exit generic_ide_exit(void)
194{
195	pci_unregister_driver(&generic_pci_driver);
196}
197
198module_init(generic_ide_init);
199module_exit(generic_ide_exit);
200
201MODULE_AUTHOR("Andre Hedrick");
202MODULE_DESCRIPTION("PCI driver module for generic PCI IDE");
203MODULE_LICENSE("GPL");