[net-next-2.6.git] / drivers / char / agp / sis-agp.c

/*
 * SiS AGPGART routines.
 */

#include <linux/module.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/agp_backend.h>
#include <linux/delay.h>
#include "agp.h"

#define SIS_ATTBASE	0x90
#define SIS_APSIZE	0x94
#define SIS_TLBCNTRL	0x97
#define SIS_TLBFLUSH	0x98

#define PCI_DEVICE_ID_SI_662	0x0662
#define PCI_DEVICE_ID_SI_671	0x0671

static int __devinitdata agp_sis_force_delay = 0;
static int __devinitdata agp_sis_agp_spec = -1;

static int sis_fetch_size(void)
{
	u8 temp_size;
	int i;
	struct aper_size_info_8 *values;

	pci_read_config_byte(agp_bridge->dev, SIS_APSIZE, &temp_size);
	values = A_SIZE_8(agp_bridge->driver->aperture_sizes);
	for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) {
		if ((temp_size == values[i].size_value) ||
		    ((temp_size & ~(0x07)) ==
		     (values[i].size_value & ~(0x07)))) {
			agp_bridge->previous_size =
			    agp_bridge->current_size = (void *) (values + i);

			agp_bridge->aperture_size_idx = i;
			return values[i].size;
		}
	}

	return 0;
}

static void sis_tlbflush(struct agp_memory *mem)
{
	pci_write_config_byte(agp_bridge->dev, SIS_TLBFLUSH, 0x02);
}

static int sis_configure(void)
{
	u32 temp;
	struct aper_size_info_8 *current_size;

	current_size = A_SIZE_8(agp_bridge->current_size);
	pci_write_config_byte(agp_bridge->dev, SIS_TLBCNTRL, 0x05);
	pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp);
	agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
	pci_write_config_dword(agp_bridge->dev, SIS_ATTBASE,
			       agp_bridge->gatt_bus_addr);
	pci_write_config_byte(agp_bridge->dev, SIS_APSIZE,
			      current_size->size_value);
	return 0;
}

static void sis_cleanup(void)
{
	struct aper_size_info_8 *previous_size;

	previous_size = A_SIZE_8(agp_bridge->previous_size);
	pci_write_config_byte(agp_bridge->dev, SIS_APSIZE,
			      (previous_size->size_value & ~(0x03)));
}

static void sis_delayed_enable(struct agp_bridge_data *bridge, u32 mode)
{
	struct pci_dev *device = NULL;
	u32 command;
	int rate;

	dev_info(&agp_bridge->dev->dev, "AGP %d.%d bridge\n",
		 agp_bridge->major_version, agp_bridge->minor_version);

	pci_read_config_dword(agp_bridge->dev, agp_bridge->capndx + PCI_AGP_STATUS, &command);
	command = agp_collect_device_status(bridge, mode, command);
	command |= AGPSTAT_AGP_ENABLE;
	rate = (command & 0x7) << 2;

	for_each_pci_dev(device) {
		u8 agp = pci_find_capability(device, PCI_CAP_ID_AGP);
		if (!agp)
			continue;

		dev_info(&agp_bridge->dev->dev, "putting AGP V3 device at %s into %dx mode\n",
			 pci_name(device), rate);

		pci_write_config_dword(device, agp + PCI_AGP_COMMAND, command);

		/*
		 * Weird: on some sis chipsets any rate change in the target
		 * command register triggers a 5ms screwup during which the master
		 * cannot be configured
		 */
		if (device->device == bridge->dev->device) {
			dev_info(&agp_bridge->dev->dev, "SiS delay workaround: giving bridge time to recover\n");
			msleep(10);
		}
	}
}

static const struct aper_size_info_8 sis_generic_sizes[7] =
{
	{256, 65536, 6, 99},
	{128, 32768, 5, 83},
	{64, 16384, 4, 67},
	{32, 8192, 3, 51},
	{16, 4096, 2, 35},
	{8, 2048, 1, 19},
	{4, 1024, 0, 3}
};

static struct agp_bridge_driver sis_driver = {
	.owner			= THIS_MODULE,
	.aperture_sizes		= sis_generic_sizes,
	.size_type		= U8_APER_SIZE,
	.num_aperture_sizes	= 7,
	.needs_scratch_page	= true,
	.configure		= sis_configure,
	.fetch_size		= sis_fetch_size,
	.cleanup		= sis_cleanup,
	.tlb_flush		= sis_tlbflush,
	.mask_memory		= agp_generic_mask_memory,
	.masks			= NULL,
	.agp_enable		= agp_generic_enable,
	.cache_flush		= global_cache_flush,
	.create_gatt_table	= agp_generic_create_gatt_table,
	.free_gatt_table	= agp_generic_free_gatt_table,
	.insert_memory		= agp_generic_insert_memory,
	.remove_memory		= agp_generic_remove_memory,
	.alloc_by_type		= agp_generic_alloc_by_type,
	.free_by_type		= agp_generic_free_by_type,
	.agp_alloc_page		= agp_generic_alloc_page,
	.agp_alloc_pages	= agp_generic_alloc_pages,
	.agp_destroy_page	= agp_generic_destroy_page,
	.agp_destroy_pages	= agp_generic_destroy_pages,
	.agp_type_to_mask_type  = agp_generic_type_to_mask_type,
};

// chipsets that require the 'delay hack'
static int sis_broken_chipsets[] __devinitdata = {
	PCI_DEVICE_ID_SI_648,
	PCI_DEVICE_ID_SI_746,
	0 // terminator
};

static void __devinit sis_get_driver(struct agp_bridge_data *bridge)
{
	int i;

	for (i=0; sis_broken_chipsets[i]!=0; ++i)
		if (bridge->dev->device==sis_broken_chipsets[i])
			break;

	if (sis_broken_chipsets[i] || agp_sis_force_delay)
		sis_driver.agp_enable=sis_delayed_enable;

	// sis chipsets that indicate less than agp3.5
	// are not actually fully agp3 compliant
	if ((agp_bridge->major_version == 3 && agp_bridge->minor_version >= 5
	     && agp_sis_agp_spec!=0) || agp_sis_agp_spec==1) {
		sis_driver.aperture_sizes = agp3_generic_sizes;
		sis_driver.size_type = U16_APER_SIZE;
		sis_driver.num_aperture_sizes = AGP_GENERIC_SIZES_ENTRIES;
		sis_driver.configure = agp3_generic_configure;
		sis_driver.fetch_size = agp3_generic_fetch_size;
		sis_driver.cleanup = agp3_generic_cleanup;
		sis_driver.tlb_flush = agp3_generic_tlbflush;
	}
}


static int __devinit agp_sis_probe(struct pci_dev *pdev,
				   const struct pci_device_id *ent)
{
	struct agp_bridge_data *bridge;
	u8 cap_ptr;

	cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
	if (!cap_ptr)
		return -ENODEV;


	dev_info(&pdev->dev, "SiS chipset [%04x/%04x]\n",
		 pdev->vendor, pdev->device);
	bridge = agp_alloc_bridge();
	if (!bridge)
		return -ENOMEM;

	bridge->driver = &sis_driver;
	bridge->dev = pdev;
	bridge->capndx = cap_ptr;

	get_agp_version(bridge);

	/* Fill in the mode register */
	pci_read_config_dword(pdev, bridge->capndx+PCI_AGP_STATUS, &bridge->mode);
	sis_get_driver(bridge);

	pci_set_drvdata(pdev, bridge);
	return agp_add_bridge(bridge);
}

static void __devexit agp_sis_remove(struct pci_dev *pdev)
{
	struct agp_bridge_data *bridge = pci_get_drvdata(pdev);

	agp_remove_bridge(bridge);
	agp_put_bridge(bridge);
}

#ifdef CONFIG_PM

static int agp_sis_suspend(struct pci_dev *pdev, pm_message_t state)
{
	pci_save_state(pdev);
	pci_set_power_state(pdev, pci_choose_state(pdev, state));

	return 0;
}

static int agp_sis_resume(struct pci_dev *pdev)
{
	pci_set_power_state(pdev, PCI_D0);
	pci_restore_state(pdev);

	return sis_driver.configure();
}

#endif /* CONFIG_PM */

static struct pci_device_id agp_sis_pci_table[] = {
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_5591,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_530,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_540,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_550,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_620,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_630,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_635,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_645,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_646,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_648,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_650,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_651,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_655,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_661,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_662,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_671,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_730,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_735,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_740,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_741,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_745,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_746,
		.subvendor	= PCI_ANY_ID,
		.subdevice	= PCI_ANY_ID,
	},
	{ }
};

MODULE_DEVICE_TABLE(pci, agp_sis_pci_table);

static struct pci_driver agp_sis_pci_driver = {
	.name		= "agpgart-sis",
	.id_table	= agp_sis_pci_table,
	.probe		= agp_sis_probe,
	.remove		= agp_sis_remove,
#ifdef CONFIG_PM
	.suspend	= agp_sis_suspend,
	.resume		= agp_sis_resume,
#endif
};

static int __init agp_sis_init(void)
{
	if (agp_off)
		return -EINVAL;
	return pci_register_driver(&agp_sis_pci_driver);
}

static void __exit agp_sis_cleanup(void)
{
	pci_unregister_driver(&agp_sis_pci_driver);
}

module_init(agp_sis_init);
module_exit(agp_sis_cleanup);

module_param(agp_sis_force_delay, bool, 0);
MODULE_PARM_DESC(agp_sis_force_delay,"forces sis delay hack");
module_param(agp_sis_agp_spec, int, 0);
MODULE_PARM_DESC(agp_sis_agp_spec,"0=force sis init, 1=force generic agp3 init, default: autodetect");
MODULE_LICENSE("GPL and additional rights");
Commit	Line	Data
1da177e4 LT	1	/*
	2	* SiS AGPGART routines.
	3	*/
	4
	5	#include <linux/module.h>
	6	#include <linux/pci.h>
	7	#include <linux/init.h>
	8	#include <linux/agp_backend.h>
	9	#include <linux/delay.h>
	10	#include "agp.h"
	11
	12	#define SIS_ATTBASE 0x90
	13	#define SIS_APSIZE 0x94
	14	#define SIS_TLBCNTRL 0x97
	15	#define SIS_TLBFLUSH 0x98
	16
2e374748 CC	17	#define PCI_DEVICE_ID_SI_662 0x0662
	18	#define PCI_DEVICE_ID_SI_671 0x0671
	19
1da177e4 LT	20	static int __devinitdata agp_sis_force_delay = 0;
	21	static int __devinitdata agp_sis_agp_spec = -1;
	22
	23	static int sis_fetch_size(void)
	24	{
	25	u8 temp_size;
	26	int i;
	27	struct aper_size_info_8 *values;
	28
	29	pci_read_config_byte(agp_bridge->dev, SIS_APSIZE, &temp_size);
	30	values = A_SIZE_8(agp_bridge->driver->aperture_sizes);
	31	for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) {
	32	if ((temp_size == values[i].size_value) \|\|
b7d0640f SB	33	((temp_size & ~(0x07)) ==
b7d0640f SB	34	(values[i].size_value & ~(0x07)))) {
1da177e4 LT	35	agp_bridge->previous_size =
	36	agp_bridge->current_size = (void *) (values + i);
	37
	38	agp_bridge->aperture_size_idx = i;
	39	return values[i].size;
	40	}
	41	}
	42
	43	return 0;
	44	}
	45
	46	static void sis_tlbflush(struct agp_memory *mem)
	47	{
	48	pci_write_config_byte(agp_bridge->dev, SIS_TLBFLUSH, 0x02);
	49	}
	50
	51	static int sis_configure(void)
	52	{
	53	u32 temp;
	54	struct aper_size_info_8 *current_size;
	55
	56	current_size = A_SIZE_8(agp_bridge->current_size);
	57	pci_write_config_byte(agp_bridge->dev, SIS_TLBCNTRL, 0x05);
	58	pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp);
	59	agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
	60	pci_write_config_dword(agp_bridge->dev, SIS_ATTBASE,
	61	agp_bridge->gatt_bus_addr);
	62	pci_write_config_byte(agp_bridge->dev, SIS_APSIZE,
	63	current_size->size_value);
	64	return 0;
	65	}
	66
	67	static void sis_cleanup(void)
	68	{
	69	struct aper_size_info_8 *previous_size;
	70
	71	previous_size = A_SIZE_8(agp_bridge->previous_size);
	72	pci_write_config_byte(agp_bridge->dev, SIS_APSIZE,
	73	(previous_size->size_value & ~(0x03)));
	74	}
	75
	76	static void sis_delayed_enable(struct agp_bridge_data *bridge, u32 mode)
	77	{
	78	struct pci_dev *device = NULL;
	79	u32 command;
	80	int rate;
	81
e3cf6951 BH	82	dev_info(&agp_bridge->dev->dev, "AGP %d.%d bridge\n",
e3cf6951 BH	83	agp_bridge->major_version, agp_bridge->minor_version);
1da177e4 LT	84
	85	pci_read_config_dword(agp_bridge->dev, agp_bridge->capndx + PCI_AGP_STATUS, &command);
	86	command = agp_collect_device_status(bridge, mode, command);
	87	command \|= AGPSTAT_AGP_ENABLE;
	88	rate = (command & 0x7) << 2;
	89
	90	for_each_pci_dev(device) {
	91	u8 agp = pci_find_capability(device, PCI_CAP_ID_AGP);
	92	if (!agp)
	93	continue;
	94
e3cf6951 BH	95	dev_info(&agp_bridge->dev->dev, "putting AGP V3 device at %s into %dx mode\n",
e3cf6951 BH	96	pci_name(device), rate);
1da177e4 LT	97
	98	pci_write_config_dword(device, agp + PCI_AGP_COMMAND, command);
	99
	100	/*
	101	* Weird: on some sis chipsets any rate change in the target
	102	* command register triggers a 5ms screwup during which the master
	103	* cannot be configured
	104	*/
	105	if (device->device == bridge->dev->device) {
e3cf6951	106	dev_info(&agp_bridge->dev->dev, "SiS delay workaround: giving bridge time to recover\n");
1da177e4 LT	107	msleep(10);
	108	}
	109	}
	110	}
	111
e5524f35	112	static const struct aper_size_info_8 sis_generic_sizes[7] =
1da177e4 LT	113	{
	114	{256, 65536, 6, 99},
	115	{128, 32768, 5, 83},
	116	{64, 16384, 4, 67},
	117	{32, 8192, 3, 51},
	118	{16, 4096, 2, 35},
	119	{8, 2048, 1, 19},
	120	{4, 1024, 0, 3}
	121	};
	122
408b664a	123	static struct agp_bridge_driver sis_driver = {
1da177e4	124	.owner = THIS_MODULE,
6a92a4e0	125	.aperture_sizes = sis_generic_sizes,
1da177e4 LT	126	.size_type = U8_APER_SIZE,
1da177e4 LT	127	.num_aperture_sizes = 7,
61cf0593	128	.needs_scratch_page = true,
1da177e4 LT	129	.configure = sis_configure,
	130	.fetch_size = sis_fetch_size,
	131	.cleanup = sis_cleanup,
	132	.tlb_flush = sis_tlbflush,
	133	.mask_memory = agp_generic_mask_memory,
	134	.masks = NULL,
	135	.agp_enable = agp_generic_enable,
	136	.cache_flush = global_cache_flush,
	137	.create_gatt_table = agp_generic_create_gatt_table,
	138	.free_gatt_table = agp_generic_free_gatt_table,
	139	.insert_memory = agp_generic_insert_memory,
	140	.remove_memory = agp_generic_remove_memory,
	141	.alloc_by_type = agp_generic_alloc_by_type,
	142	.free_by_type = agp_generic_free_by_type,
	143	.agp_alloc_page = agp_generic_alloc_page,
5f310b63	144	.agp_alloc_pages = agp_generic_alloc_pages,
1da177e4	145	.agp_destroy_page = agp_generic_destroy_page,
5f310b63	146	.agp_destroy_pages = agp_generic_destroy_pages,
bf1e5989	147	.agp_type_to_mask_type = agp_generic_type_to_mask_type,
1da177e4 LT	148	};
1da177e4 LT	149
1da177e4 LT	150	// chipsets that require the 'delay hack'
	151	static int sis_broken_chipsets[] __devinitdata = {
	152	PCI_DEVICE_ID_SI_648,
	153	PCI_DEVICE_ID_SI_746,
	154	0 // terminator
	155	};
	156
	157	static void __devinit sis_get_driver(struct agp_bridge_data *bridge)
	158	{
	159	int i;
	160
6a92a4e0 DJ	161	for (i=0; sis_broken_chipsets[i]!=0; ++i)
6a92a4e0 DJ	162	if (bridge->dev->device==sis_broken_chipsets[i])
1da177e4 LT	163	break;
1da177e4 LT	164
6a92a4e0	165	if (sis_broken_chipsets[i] \|\| agp_sis_force_delay)
1da177e4 LT	166	sis_driver.agp_enable=sis_delayed_enable;
	167
	168	// sis chipsets that indicate less than agp3.5
	169	// are not actually fully agp3 compliant
	170	if ((agp_bridge->major_version == 3 && agp_bridge->minor_version >= 5
	171	&& agp_sis_agp_spec!=0) \|\| agp_sis_agp_spec==1) {
	172	sis_driver.aperture_sizes = agp3_generic_sizes;
	173	sis_driver.size_type = U16_APER_SIZE;
	174	sis_driver.num_aperture_sizes = AGP_GENERIC_SIZES_ENTRIES;
	175	sis_driver.configure = agp3_generic_configure;
	176	sis_driver.fetch_size = agp3_generic_fetch_size;
	177	sis_driver.cleanup = agp3_generic_cleanup;
	178	sis_driver.tlb_flush = agp3_generic_tlbflush;
	179	}
	180	}
	181
	182
	183	static int __devinit agp_sis_probe(struct pci_dev *pdev,
	184	const struct pci_device_id *ent)
	185	{
1da177e4 LT	186	struct agp_bridge_data *bridge;
1da177e4 LT	187	u8 cap_ptr;
1da177e4 LT	188
	189	cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
	190	if (!cap_ptr)
	191	return -ENODEV;
	192
1da177e4	193
e3cf6951 BH	194	dev_info(&pdev->dev, "SiS chipset [%04x/%04x]\n",
e3cf6951 BH	195	pdev->vendor, pdev->device);
1da177e4 LT	196	bridge = agp_alloc_bridge();
	197	if (!bridge)
	198	return -ENOMEM;
	199
	200	bridge->driver = &sis_driver;
	201	bridge->dev = pdev;
	202	bridge->capndx = cap_ptr;
	203
	204	get_agp_version(bridge);
	205
	206	/* Fill in the mode register */
	207	pci_read_config_dword(pdev, bridge->capndx+PCI_AGP_STATUS, &bridge->mode);
	208	sis_get_driver(bridge);
	209
	210	pci_set_drvdata(pdev, bridge);
	211	return agp_add_bridge(bridge);
	212	}
	213
	214	static void __devexit agp_sis_remove(struct pci_dev *pdev)
	215	{
	216	struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
	217
	218	agp_remove_bridge(bridge);
	219	agp_put_bridge(bridge);
	220	}
	221
16469a0e SB	222	#ifdef CONFIG_PM
	223
	224	static int agp_sis_suspend(struct pci_dev *pdev, pm_message_t state)
	225	{
	226	pci_save_state(pdev);
	227	pci_set_power_state(pdev, pci_choose_state(pdev, state));
	228
	229	return 0;
	230	}
	231
	232	static int agp_sis_resume(struct pci_dev *pdev)
	233	{
	234	pci_set_power_state(pdev, PCI_D0);
	235	pci_restore_state(pdev);
	236
	237	return sis_driver.configure();
	238	}
	239
	240	#endif /* CONFIG_PM */
	241
1da177e4 LT	242	static struct pci_device_id agp_sis_pci_table[] = {
1da177e4 LT	243	{
82eab130 ON	244	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	245	.class_mask = ~0,
	246	.vendor = PCI_VENDOR_ID_SI,
91397585	247	.device = PCI_DEVICE_ID_SI_5591,
82eab130 ON	248	.subvendor = PCI_ANY_ID,
	249	.subdevice = PCI_ANY_ID,
	250	},
	251	{
	252	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	253	.class_mask = ~0,
	254	.vendor = PCI_VENDOR_ID_SI,
	255	.device = PCI_DEVICE_ID_SI_530,
	256	.subvendor = PCI_ANY_ID,
	257	.subdevice = PCI_ANY_ID,
	258	},
	259	{
	260	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	261	.class_mask = ~0,
	262	.vendor = PCI_VENDOR_ID_SI,
	263	.device = PCI_DEVICE_ID_SI_540,
	264	.subvendor = PCI_ANY_ID,
	265	.subdevice = PCI_ANY_ID,
	266	},
	267	{
	268	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	269	.class_mask = ~0,
	270	.vendor = PCI_VENDOR_ID_SI,
	271	.device = PCI_DEVICE_ID_SI_550,
	272	.subvendor = PCI_ANY_ID,
	273	.subdevice = PCI_ANY_ID,
	274	},
	275	{
	276	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	277	.class_mask = ~0,
	278	.vendor = PCI_VENDOR_ID_SI,
	279	.device = PCI_DEVICE_ID_SI_620,
	280	.subvendor = PCI_ANY_ID,
	281	.subdevice = PCI_ANY_ID,
	282	},
	283	{
	284	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	285	.class_mask = ~0,
	286	.vendor = PCI_VENDOR_ID_SI,
	287	.device = PCI_DEVICE_ID_SI_630,
	288	.subvendor = PCI_ANY_ID,
	289	.subdevice = PCI_ANY_ID,
	290	},
	291	{
	292	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	293	.class_mask = ~0,
	294	.vendor = PCI_VENDOR_ID_SI,
	295	.device = PCI_DEVICE_ID_SI_635,
	296	.subvendor = PCI_ANY_ID,
	297	.subdevice = PCI_ANY_ID,
	298	},
	299	{
	300	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	301	.class_mask = ~0,
	302	.vendor = PCI_VENDOR_ID_SI,
	303	.device = PCI_DEVICE_ID_SI_645,
	304	.subvendor = PCI_ANY_ID,
	305	.subdevice = PCI_ANY_ID,
	306	},
	307	{
	308	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	309	.class_mask = ~0,
	310	.vendor = PCI_VENDOR_ID_SI,
	311	.device = PCI_DEVICE_ID_SI_646,
312	.subvendor = PCI_ANY_ID,
313	.subdevice = PCI_ANY_ID,
314	},
315	{
316	.class = (PCI_CLASS_BRIDGE_HOST << 8),
317	.class_mask = ~0,
318	.vendor = PCI_VENDOR_ID_SI,
319	.device = PCI_DEVICE_ID_SI_648,
320	.subvendor = PCI_ANY_ID,
321	.subdevice = PCI_ANY_ID,
322	},
323	{
324	.class = (PCI_CLASS_BRIDGE_HOST << 8),
325	.class_mask = ~0,
326	.vendor = PCI_VENDOR_ID_SI,
327	.device = PCI_DEVICE_ID_SI_650,
328	.subvendor = PCI_ANY_ID,
329	.subdevice = PCI_ANY_ID,
330	},
331	{
332	.class = (PCI_CLASS_BRIDGE_HOST << 8),
333	.class_mask = ~0,
334	.vendor = PCI_VENDOR_ID_SI,
335	.device = PCI_DEVICE_ID_SI_651,
336	.subvendor = PCI_ANY_ID,
337	.subdevice = PCI_ANY_ID,
338	},
339	{
340	.class = (PCI_CLASS_BRIDGE_HOST << 8),
341	.class_mask = ~0,
342	.vendor = PCI_VENDOR_ID_SI,
343	.device = PCI_DEVICE_ID_SI_655,
344	.subvendor = PCI_ANY_ID,
345	.subdevice = PCI_ANY_ID,
346	},
347	{
348	.class = (PCI_CLASS_BRIDGE_HOST << 8),
349	.class_mask = ~0,
350	.vendor = PCI_VENDOR_ID_SI,
351	.device = PCI_DEVICE_ID_SI_661,
352	.subvendor = PCI_ANY_ID,
353	.subdevice = PCI_ANY_ID,
354	},
2e374748 CC	355	{
	356	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	357	.class_mask = ~0,
	358	.vendor = PCI_VENDOR_ID_SI,
	359	.device = PCI_DEVICE_ID_SI_662,
	360	.subvendor = PCI_ANY_ID,
	361	.subdevice = PCI_ANY_ID,
	362	},
	363	{
	364	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	365	.class_mask = ~0,
	366	.vendor = PCI_VENDOR_ID_SI,
	367	.device = PCI_DEVICE_ID_SI_671,
	368	.subvendor = PCI_ANY_ID,
	369	.subdevice = PCI_ANY_ID,
	370	},
82eab130 ON	371	{
	372	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	373	.class_mask = ~0,
	374	.vendor = PCI_VENDOR_ID_SI,
	375	.device = PCI_DEVICE_ID_SI_730,
	376	.subvendor = PCI_ANY_ID,
	377	.subdevice = PCI_ANY_ID,
	378	},
	379	{
	380	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	381	.class_mask = ~0,
	382	.vendor = PCI_VENDOR_ID_SI,
	383	.device = PCI_DEVICE_ID_SI_735,
	384	.subvendor = PCI_ANY_ID,
	385	.subdevice = PCI_ANY_ID,
	386	},
	387	{
	388	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	389	.class_mask = ~0,
	390	.vendor = PCI_VENDOR_ID_SI,
	391	.device = PCI_DEVICE_ID_SI_740,
	392	.subvendor = PCI_ANY_ID,
	393	.subdevice = PCI_ANY_ID,
	394	},
	395	{
	396	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	397	.class_mask = ~0,
	398	.vendor = PCI_VENDOR_ID_SI,
	399	.device = PCI_DEVICE_ID_SI_741,
	400	.subvendor = PCI_ANY_ID,
	401	.subdevice = PCI_ANY_ID,
	402	},
	403	{
	404	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	405	.class_mask = ~0,
	406	.vendor = PCI_VENDOR_ID_SI,
	407	.device = PCI_DEVICE_ID_SI_745,
	408	.subvendor = PCI_ANY_ID,
	409	.subdevice = PCI_ANY_ID,
	410	},
	411	{
	412	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	413	.class_mask = ~0,
	414	.vendor = PCI_VENDOR_ID_SI,
	415	.device = PCI_DEVICE_ID_SI_746,
	416	.subvendor = PCI_ANY_ID,
	417	.subdevice = PCI_ANY_ID,
	418	},
1da177e4 LT	419	{ }
	420	};
	421
	422	MODULE_DEVICE_TABLE(pci, agp_sis_pci_table);
	423
	424	static struct pci_driver agp_sis_pci_driver = {
	425	.name = "agpgart-sis",
	426	.id_table = agp_sis_pci_table,
	427	.probe = agp_sis_probe,
	428	.remove = agp_sis_remove,
16469a0e SB	429	#ifdef CONFIG_PM
	430	.suspend = agp_sis_suspend,
	431	.resume = agp_sis_resume,
	432	#endif
1da177e4 LT	433	};
	434
	435	static int __init agp_sis_init(void)
	436	{
	437	if (agp_off)
	438	return -EINVAL;
	439	return pci_register_driver(&agp_sis_pci_driver);
	440	}
	441
	442	static void __exit agp_sis_cleanup(void)
	443	{
	444	pci_unregister_driver(&agp_sis_pci_driver);
	445	}
	446
	447	module_init(agp_sis_init);
	448	module_exit(agp_sis_cleanup);
	449
	450	module_param(agp_sis_force_delay, bool, 0);
	451	MODULE_PARM_DESC(agp_sis_force_delay,"forces sis delay hack");
	452	module_param(agp_sis_agp_spec, int, 0);
	453	MODULE_PARM_DESC(agp_sis_agp_spec,"0=force sis init, 1=force generic agp3 init, default: autodetect");
	454	MODULE_LICENSE("GPL and additional rights");