[deliverable/linux.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,
	.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_destroy_page	= agp_generic_destroy_page,
	.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_AGP,
		.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,
	},
	{
		.class		= (PCI_CLASS_BRIDGE_HOST << 8),
		.class_mask	= ~0,
		.vendor		= PCI_VENDOR_ID_SI,
		.device		= PCI_DEVICE_ID_SI_760,
		.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,
	127	.num_aperture_sizes = 7,
	128	.configure = sis_configure,
	129	.fetch_size = sis_fetch_size,
	130	.cleanup = sis_cleanup,
	131	.tlb_flush = sis_tlbflush,
	132	.mask_memory = agp_generic_mask_memory,
	133	.masks = NULL,
	134	.agp_enable = agp_generic_enable,
	135	.cache_flush = global_cache_flush,
	136	.create_gatt_table = agp_generic_create_gatt_table,
	137	.free_gatt_table = agp_generic_free_gatt_table,
	138	.insert_memory = agp_generic_insert_memory,
	139	.remove_memory = agp_generic_remove_memory,
	140	.alloc_by_type = agp_generic_alloc_by_type,
	141	.free_by_type = agp_generic_free_by_type,
	142	.agp_alloc_page = agp_generic_alloc_page,
	143	.agp_destroy_page = agp_generic_destroy_page,
bf1e5989	144	.agp_type_to_mask_type = agp_generic_type_to_mask_type,
1da177e4 LT	145	};
1da177e4 LT	146
1da177e4 LT	147	// chipsets that require the 'delay hack'
	148	static int sis_broken_chipsets[] __devinitdata = {
	149	PCI_DEVICE_ID_SI_648,
	150	PCI_DEVICE_ID_SI_746,
	151	0 // terminator
	152	};
	153
	154	static void __devinit sis_get_driver(struct agp_bridge_data *bridge)
	155	{
	156	int i;
	157
6a92a4e0 DJ	158	for (i=0; sis_broken_chipsets[i]!=0; ++i)
6a92a4e0 DJ	159	if (bridge->dev->device==sis_broken_chipsets[i])
1da177e4 LT	160	break;
1da177e4 LT	161
6a92a4e0	162	if (sis_broken_chipsets[i] \|\| agp_sis_force_delay)
1da177e4 LT	163	sis_driver.agp_enable=sis_delayed_enable;
	164
	165	// sis chipsets that indicate less than agp3.5
	166	// are not actually fully agp3 compliant
	167	if ((agp_bridge->major_version == 3 && agp_bridge->minor_version >= 5
	168	&& agp_sis_agp_spec!=0) \|\| agp_sis_agp_spec==1) {
	169	sis_driver.aperture_sizes = agp3_generic_sizes;
	170	sis_driver.size_type = U16_APER_SIZE;
	171	sis_driver.num_aperture_sizes = AGP_GENERIC_SIZES_ENTRIES;
	172	sis_driver.configure = agp3_generic_configure;
	173	sis_driver.fetch_size = agp3_generic_fetch_size;
	174	sis_driver.cleanup = agp3_generic_cleanup;
	175	sis_driver.tlb_flush = agp3_generic_tlbflush;
	176	}
	177	}
	178
	179
	180	static int __devinit agp_sis_probe(struct pci_dev *pdev,
	181	const struct pci_device_id *ent)
	182	{
1da177e4 LT	183	struct agp_bridge_data *bridge;
1da177e4 LT	184	u8 cap_ptr;
1da177e4 LT	185
	186	cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
	187	if (!cap_ptr)
	188	return -ENODEV;
	189
1da177e4	190
e3cf6951 BH	191	dev_info(&pdev->dev, "SiS chipset [%04x/%04x]\n",
e3cf6951 BH	192	pdev->vendor, pdev->device);
1da177e4 LT	193	bridge = agp_alloc_bridge();
	194	if (!bridge)
	195	return -ENOMEM;
	196
	197	bridge->driver = &sis_driver;
	198	bridge->dev = pdev;
	199	bridge->capndx = cap_ptr;
	200
	201	get_agp_version(bridge);
	202
	203	/* Fill in the mode register */
	204	pci_read_config_dword(pdev, bridge->capndx+PCI_AGP_STATUS, &bridge->mode);
	205	sis_get_driver(bridge);
	206
	207	pci_set_drvdata(pdev, bridge);
	208	return agp_add_bridge(bridge);
	209	}
	210
	211	static void __devexit agp_sis_remove(struct pci_dev *pdev)
	212	{
	213	struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
	214
	215	agp_remove_bridge(bridge);
	216	agp_put_bridge(bridge);
	217	}
	218
16469a0e SB	219	#ifdef CONFIG_PM
	220
	221	static int agp_sis_suspend(struct pci_dev *pdev, pm_message_t state)
	222	{
	223	pci_save_state(pdev);
	224	pci_set_power_state(pdev, pci_choose_state(pdev, state));
	225
	226	return 0;
	227	}
	228
	229	static int agp_sis_resume(struct pci_dev *pdev)
	230	{
	231	pci_set_power_state(pdev, PCI_D0);
	232	pci_restore_state(pdev);
	233
	234	return sis_driver.configure();
	235	}
	236
	237	#endif /* CONFIG_PM */
	238
1da177e4 LT	239	static struct pci_device_id agp_sis_pci_table[] = {
1da177e4 LT	240	{
82eab130 ON	241	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	242	.class_mask = ~0,
	243	.vendor = PCI_VENDOR_ID_SI,
	244	.device = PCI_DEVICE_ID_SI_5591_AGP,
	245	.subvendor = PCI_ANY_ID,
	246	.subdevice = PCI_ANY_ID,
	247	},
	248	{
	249	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	250	.class_mask = ~0,
	251	.vendor = PCI_VENDOR_ID_SI,
	252	.device = PCI_DEVICE_ID_SI_530,
	253	.subvendor = PCI_ANY_ID,
	254	.subdevice = PCI_ANY_ID,
	255	},
	256	{
	257	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	258	.class_mask = ~0,
	259	.vendor = PCI_VENDOR_ID_SI,
	260	.device = PCI_DEVICE_ID_SI_540,
	261	.subvendor = PCI_ANY_ID,
	262	.subdevice = PCI_ANY_ID,
	263	},
	264	{
	265	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	266	.class_mask = ~0,
	267	.vendor = PCI_VENDOR_ID_SI,
	268	.device = PCI_DEVICE_ID_SI_550,
	269	.subvendor = PCI_ANY_ID,
	270	.subdevice = PCI_ANY_ID,
	271	},
	272	{
	273	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	274	.class_mask = ~0,
	275	.vendor = PCI_VENDOR_ID_SI,
	276	.device = PCI_DEVICE_ID_SI_620,
	277	.subvendor = PCI_ANY_ID,
	278	.subdevice = PCI_ANY_ID,
	279	},
	280	{
	281	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	282	.class_mask = ~0,
	283	.vendor = PCI_VENDOR_ID_SI,
	284	.device = PCI_DEVICE_ID_SI_630,
	285	.subvendor = PCI_ANY_ID,
	286	.subdevice = PCI_ANY_ID,
	287	},
	288	{
	289	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	290	.class_mask = ~0,
	291	.vendor = PCI_VENDOR_ID_SI,
	292	.device = PCI_DEVICE_ID_SI_635,
	293	.subvendor = PCI_ANY_ID,
	294	.subdevice = PCI_ANY_ID,
	295	},
	296	{
	297	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	298	.class_mask = ~0,
	299	.vendor = PCI_VENDOR_ID_SI,
	300	.device = PCI_DEVICE_ID_SI_645,
	301	.subvendor = PCI_ANY_ID,
	302	.subdevice = PCI_ANY_ID,
	303	},
	304	{
305	.class = (PCI_CLASS_BRIDGE_HOST << 8),
306	.class_mask = ~0,
307	.vendor = PCI_VENDOR_ID_SI,
308	.device = PCI_DEVICE_ID_SI_646,
309	.subvendor = PCI_ANY_ID,
310	.subdevice = PCI_ANY_ID,
311	},
312	{
313	.class = (PCI_CLASS_BRIDGE_HOST << 8),
314	.class_mask = ~0,
315	.vendor = PCI_VENDOR_ID_SI,
316	.device = PCI_DEVICE_ID_SI_648,
317	.subvendor = PCI_ANY_ID,
318	.subdevice = PCI_ANY_ID,
319	},
320	{
321	.class = (PCI_CLASS_BRIDGE_HOST << 8),
322	.class_mask = ~0,
323	.vendor = PCI_VENDOR_ID_SI,
324	.device = PCI_DEVICE_ID_SI_650,
325	.subvendor = PCI_ANY_ID,
326	.subdevice = PCI_ANY_ID,
327	},
328	{
329	.class = (PCI_CLASS_BRIDGE_HOST << 8),
330	.class_mask = ~0,
331	.vendor = PCI_VENDOR_ID_SI,
332	.device = PCI_DEVICE_ID_SI_651,
333	.subvendor = PCI_ANY_ID,
334	.subdevice = PCI_ANY_ID,
335	},
336	{
337	.class = (PCI_CLASS_BRIDGE_HOST << 8),
338	.class_mask = ~0,
339	.vendor = PCI_VENDOR_ID_SI,
340	.device = PCI_DEVICE_ID_SI_655,
341	.subvendor = PCI_ANY_ID,
342	.subdevice = PCI_ANY_ID,
343	},
344	{
345	.class = (PCI_CLASS_BRIDGE_HOST << 8),
346	.class_mask = ~0,
347	.vendor = PCI_VENDOR_ID_SI,
348	.device = PCI_DEVICE_ID_SI_661,
349	.subvendor = PCI_ANY_ID,
350	.subdevice = PCI_ANY_ID,
351	},
2e374748 CC	352	{
	353	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	354	.class_mask = ~0,
	355	.vendor = PCI_VENDOR_ID_SI,
	356	.device = PCI_DEVICE_ID_SI_662,
	357	.subvendor = PCI_ANY_ID,
	358	.subdevice = PCI_ANY_ID,
	359	},
	360	{
	361	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	362	.class_mask = ~0,
	363	.vendor = PCI_VENDOR_ID_SI,
	364	.device = PCI_DEVICE_ID_SI_671,
	365	.subvendor = PCI_ANY_ID,
	366	.subdevice = PCI_ANY_ID,
	367	},
82eab130 ON	368	{
	369	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	370	.class_mask = ~0,
	371	.vendor = PCI_VENDOR_ID_SI,
	372	.device = PCI_DEVICE_ID_SI_730,
	373	.subvendor = PCI_ANY_ID,
	374	.subdevice = PCI_ANY_ID,
	375	},
	376	{
	377	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	378	.class_mask = ~0,
	379	.vendor = PCI_VENDOR_ID_SI,
	380	.device = PCI_DEVICE_ID_SI_735,
	381	.subvendor = PCI_ANY_ID,
	382	.subdevice = PCI_ANY_ID,
	383	},
	384	{
	385	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	386	.class_mask = ~0,
	387	.vendor = PCI_VENDOR_ID_SI,
	388	.device = PCI_DEVICE_ID_SI_740,
	389	.subvendor = PCI_ANY_ID,
	390	.subdevice = PCI_ANY_ID,
	391	},
	392	{
	393	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	394	.class_mask = ~0,
	395	.vendor = PCI_VENDOR_ID_SI,
	396	.device = PCI_DEVICE_ID_SI_741,
	397	.subvendor = PCI_ANY_ID,
	398	.subdevice = PCI_ANY_ID,
	399	},
	400	{
	401	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	402	.class_mask = ~0,
	403	.vendor = PCI_VENDOR_ID_SI,
	404	.device = PCI_DEVICE_ID_SI_745,
	405	.subvendor = PCI_ANY_ID,
	406	.subdevice = PCI_ANY_ID,
	407	},
	408	{
	409	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	410	.class_mask = ~0,
	411	.vendor = PCI_VENDOR_ID_SI,
	412	.device = PCI_DEVICE_ID_SI_746,
	413	.subvendor = PCI_ANY_ID,
	414	.subdevice = PCI_ANY_ID,
	415	},
	416	{
	417	.class = (PCI_CLASS_BRIDGE_HOST << 8),
	418	.class_mask = ~0,
	419	.vendor = PCI_VENDOR_ID_SI,
	420	.device = PCI_DEVICE_ID_SI_760,
	421	.subvendor = PCI_ANY_ID,
	422	.subdevice = PCI_ANY_ID,
1da177e4 LT	423	},
	424	{ }
	425	};
	426
	427	MODULE_DEVICE_TABLE(pci, agp_sis_pci_table);
	428
	429	static struct pci_driver agp_sis_pci_driver = {
	430	.name = "agpgart-sis",
	431	.id_table = agp_sis_pci_table,
	432	.probe = agp_sis_probe,
	433	.remove = agp_sis_remove,
16469a0e SB	434	#ifdef CONFIG_PM
	435	.suspend = agp_sis_suspend,
	436	.resume = agp_sis_resume,
	437	#endif
1da177e4 LT	438	};
	439
	440	static int __init agp_sis_init(void)
	441	{
	442	if (agp_off)
	443	return -EINVAL;
	444	return pci_register_driver(&agp_sis_pci_driver);
	445	}
	446
	447	static void __exit agp_sis_cleanup(void)
	448	{
	449	pci_unregister_driver(&agp_sis_pci_driver);
	450	}
	451
	452	module_init(agp_sis_init);
	453	module_exit(agp_sis_cleanup);
	454
	455	module_param(agp_sis_force_delay, bool, 0);
	456	MODULE_PARM_DESC(agp_sis_force_delay,"forces sis delay hack");
	457	module_param(agp_sis_agp_spec, int, 0);
	458	MODULE_PARM_DESC(agp_sis_agp_spec,"0=force sis init, 1=force generic agp3 init, default: autodetect");
	459	MODULE_LICENSE("GPL and additional rights");