Skip to content

L
linux
Commit 2140dbb5 authored by Dave Jones's avatar Dave Jones
Browse files
Options

Merge tetrachloride.(none):/mnt/stuff/kernel/2.5/bk-linus 

into tetrachloride.(none):/mnt/stuff/kernel/2.5/agpgart
parents 47e9a962 8a1774bd
Expand all Show whitespace changes
Inline Side-by-side
Showing with 3456 additions and 841 deletions
CREDITS
View file @ 2140dbb5
......@@ -1519,6 +1519,7 @@ E: davej@codemonkey.org.uk
E: davej@suse.de
W: http://www.codemonkey.org.uk
D: x86 errata/setup maintenance.
D: AGPGART driver.
D: Backport/Forwardport merge monkey.
D: Various Janitor work.
S: c/o SuSE Linux UK Ltd
......
MAINTAINERS
View file @ 2140dbb5
......@@ -198,6 +198,11 @@ P: Roman Zippel
M: zippel@linux-m68k.org
S: Maintained
AGPGART DRIVER
P: Dave Jones
M: davej@codemonkey.org.uk
S: Maintained
AHA152X SCSI DRIVER
P: Juergen E. Fischer
M: Juergen Fischer <fischer@norbit.de>
......
drivers/char/agp/Kconfig
View file @ 2140dbb5
......@@ -39,13 +39,13 @@ config AGP_INTEL
You should say Y here if you use XFree86 3.3.6 or 4.x and want to
use GLX or DRI. If unsure, say N.
config AGP_I810
bool "Intel I810/I815/I830M (on-board) support"
depends on AGP
help
This option gives you AGP support for the Xserver on the Intel 810
815 and 830m chipset boards for their on-board integrated graphics. This
is required to do any useful video modes with these boards.
#config AGP_I810
# bool "Intel I810/I815/I830M (on-board) support"
# depends on AGP
# help
# This option gives you AGP support for the Xserver on the Intel 810
# 815 and 830m chipset boards for their on-board integrated graphics. This
# is required to do any useful video modes with these boards.
config AGP_VIA
bool "VIA chipset support"
......@@ -107,7 +107,11 @@ config AGP_SWORKS
config AGP_AMD_8151
bool "AMD 8151 support"
depends on AGP && !GART_IOMMU
depends on AGP
default GART_IOMMU
help
Say Y here to support the AMD 8151 AGP bridge and the builtin
GART on the AMD Athlon64/Opteron ("Hammer") CPUs.
config AGP_I460
bool "Intel 460GX support"
......
drivers/char/agp/Makefile
View file @ 2140dbb5
......@@ -3,22 +3,19 @@
# space ioctl interface to use agp memory. It also adds a kernel interface
# that other drivers could use to manipulate agp memory.
export-objs := agp.o
export-objs := backend.o
agpgart-y := agp.o frontend.o
agpgart-$(CONFIG_AGP_INTEL) += i8x0-agp.o
agpgart-$(CONFIG_AGP_I810) += i810-agp.o
agpgart-$(CONFIG_AGP_VIA) += via-agp.o
agpgart-$(CONFIG_AGP_AMD) += amd-agp.o
agpgart-$(CONFIG_AGP_SIS) += sis-agp.o
agpgart-$(CONFIG_AGP_ALI) += ali-agp.o
agpgart-$(CONFIG_AGP_SWORKS) += sworks-agp.o
agpgart-$(CONFIG_AGP_I460) += i460-agp.o
agpgart-$(CONFIG_AGP_HP_ZX1) += hp-agp.o
agpgart-$(CONFIG_AGP_AMD_8151) += k8-agp.o
agpgart-y := backend.o frontend.o generic.o
agpgart-objs := $(agpgart-y)
obj-$(CONFIG_AGP) += agpgart.o
include $(TOPDIR)/Rules.make
obj-$(CONFIG_AGP_INTEL) += intel-agp.o
obj-$(CONFIG_AGP_VIA) += via-agp.o
obj-$(CONFIG_AGP_AMD) += amd-k7-agp.o
obj-$(CONFIG_AGP_SIS) += sis-agp.o
obj-$(CONFIG_AGP_ALI) += ali-agp.o
obj-$(CONFIG_AGP_SWORKS) += sworks-agp.o
obj-$(CONFIG_AGP_I460) += i460-agp.o
obj-$(CONFIG_AGP_HP_ZX1) += hp-agp.o
obj-$(CONFIG_AGP_AMD_8151) += amd-k8-agp.o
drivers/char/agp/agp.h
View file @ 2140dbb5
......@@ -47,6 +47,7 @@ void agp_generic_resume(void);
void agp_free_key(int key);
/* chipset specific init routines. */
/*
int __init ali_generic_setup (struct pci_dev *pdev);
int __init amd_irongate_setup (struct pci_dev *pdev);
int __init amd_8151_setup (struct pci_dev *pdev);
......@@ -65,10 +66,12 @@ int __init intel_860_setup (struct pci_dev *pdev);
int __init serverworks_setup (struct pci_dev *pdev);
int __init sis_generic_setup (struct pci_dev *pdev);
int __init via_generic_setup (struct pci_dev *pdev);
*/
#define AGPGART_MODULE_NAME "agpgart"
#define PFX AGPGART_MODULE_NAME ": "
#define PFX "agpgart: "
int agp_register_driver (struct pci_dev *dev);
int agp_unregister_driver(void);
#ifdef CONFIG_SMP
static void ipi_handler(void *null)
......@@ -381,4 +384,26 @@ struct agp_bridge_data {
#define HP_ZX1_PDIR_BASE 0x320
#define HP_ZX1_CACHE_FLUSH 0x428
struct agp_device_ids {
unsigned short device_id; /* first, to make table easier to read */
enum chipset_type chipset;
const char *chipset_name;
int (*chipset_setup) (struct pci_dev *pdev); /* used to override generic */
};
struct agp_bridge_info {
unsigned short vendor_id;
const char *vendor_name;
int (*chipset_setup) (struct pci_dev *pdev);
struct agp_device_ids *ids;
};
extern struct agp_bridge_info ali_agp_bridge_info;
extern struct agp_bridge_info amd_k8_agp_bridge_info;
extern struct agp_bridge_info amd_agp_bridge_info;
extern struct agp_bridge_info intel_agp_bridge_info;
extern struct agp_bridge_info sis_agp_bridge_info;
extern struct agp_bridge_info via_agp_bridge_info;
extern struct agp_bridge_info hp_agp_bridge_info;
#endif /* _AGP_BACKEND_PRIV_H */
drivers/char/agp/ali-agp.c
View file @ 2140dbb5
/*
* AGPGART module version 0.99
* Copyright (C) 1999 Jeff Hartmann
* Copyright (C) 1999 Precision Insight, Inc.
* Copyright (C) 1999 Xi Graphics, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* TODO:
* - Allocate more than order 0 pages to avoid too much linear map splitting.
* ALi AGPGART routines.
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/agp_backend.h>
#include "agp.h"
static int agp_try_unsupported __initdata = 0;
static int ali_fetch_size(void)
{
int i;
......@@ -96,21 +74,8 @@ static int ali_configure(void)
pci_write_config_dword(agp_bridge.dev, ALI_ATTBASE, temp);
/* tlb control */
/*
* Question: Jeff, ALi's patch deletes this:
*
* pci_read_config_dword(agp_bridge.dev, ALI_TLBCTRL, &temp);
* pci_write_config_dword(agp_bridge.dev, ALI_TLBCTRL,
* ((temp & 0xffffff00) | 0x00000010));
*
* and replaces it with the following, which seems to duplicate the
* next couple of lines below it. I suspect this was an oversight,
* but you might want to check up on this?
*/
pci_read_config_dword(agp_bridge.dev, ALI_APBASE, &temp);
agp_bridge.gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
pci_read_config_dword(agp_bridge.dev, ALI_TLBCTRL, &temp);
pci_write_config_dword(agp_bridge.dev, ALI_TLBCTRL, ((temp & 0xffffff00) | 0x00000010));
/* address to map to */
pci_read_config_dword(agp_bridge.dev, ALI_APBASE, &temp);
......@@ -257,9 +222,180 @@ int __init ali_generic_setup (struct pci_dev *pdev)
agp_bridge.suspend = agp_generic_suspend;
agp_bridge.resume = agp_generic_resume;
agp_bridge.cant_use_aperture = 0;
return 0;
}
struct agp_device_ids ali_agp_device_ids[] __initdata =
{
{
.device_id = PCI_DEVICE_ID_AL_M1541,
.chipset = ALI_M1541,
.chipset_name = "M1541",
},
{
.device_id = PCI_DEVICE_ID_AL_M1621,
.chipset = ALI_M1621,
.chipset_name = "M1621",
},
{
.device_id = PCI_DEVICE_ID_AL_M1631,
.chipset = ALI_M1631,
.chipset_name = "M1631",
},
{
.device_id = PCI_DEVICE_ID_AL_M1632,
.chipset = ALI_M1632,
.chipset_name = "M1632",
},
{
.device_id = PCI_DEVICE_ID_AL_M1641,
.chipset = ALI_M1641,
.chipset_name = "M1641",
},
{
.device_id = PCI_DEVICE_ID_AL_M1644,
.chipset = ALI_M1644,
.chipset_name = "M1644",
},
{
.device_id = PCI_DEVICE_ID_AL_M1647,
.chipset = ALI_M1647,
.chipset_name = "M1647",
},
{
.device_id = PCI_DEVICE_ID_AL_M1651,
.chipset = ALI_M1651,
.chipset_name = "M1651",
},
{
.device_id = PCI_DEVICE_ID_AL_M1671,
.chipset = ALI_M1671,
.chipset_name = "M1671",
},
{ }, /* dummy final entry, always present */
};
/* scan table above for supported devices */
static int __init agp_lookup_host_bridge (struct pci_dev *pdev)
{
int j=0;
struct agp_device_ids *devs;
devs = ali_agp_device_ids;
while (devs[j].chipset_name != NULL) {
if (pdev->device == devs[j].device_id) {
if (pdev->device == PCI_DEVICE_ID_AL_M1621) {
u8 hidden_1621_id;
pci_read_config_byte(pdev, 0xFB, &hidden_1621_id);
switch (hidden_1621_id) {
case 0x31:
devs[j].chipset_name="M1631";
break;
case 0x32:
devs[j].chipset_name="M1632";
break;
case 0x41:
devs[j].chipset_name="M1641";
break;
case 0x43:
break;
case 0x47:
devs[j].chipset_name="M1647";
break;
case 0x51:
devs[j].chipset_name="M1651";
break;
default:
break;
}
}
printk (KERN_INFO PFX "Detected ALi %s chipset\n",
devs[j].chipset_name);
agp_bridge.type = devs[j].chipset;
if (devs[j].chipset_setup != NULL)
return devs[j].chipset_setup(pdev);
else
return ali_generic_setup(pdev);
}
j++;
}
/* try init anyway, if user requests it */
if (agp_try_unsupported) {
printk(KERN_WARNING PFX "Trying generic ALi routines"
" for device id: %04x\n", pdev->device);
agp_bridge.type = ALI_GENERIC;
return ali_generic_setup(pdev);
}
printk(KERN_ERR PFX "Unsupported ALi chipset (device id: %04x),"
" you might want to try agp_try_unsupported=1.\n", pdev->device);
return -ENODEV;
}
static int agp_ali_probe (struct pci_dev *dev, const struct pci_device_id *ent)
{
if (pci_find_capability(dev, PCI_CAP_ID_AGP)==0)
return -ENODEV;
agp_bridge.dev = dev;
/* probe for known chipsets */
if (agp_lookup_host_bridge (dev) != -ENODEV ) {
agp_register_driver(dev);
return 0;
}
return -ENODEV;
}
static struct pci_device_id agp_ali_pci_table[] __initdata = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
.class_mask = ~0,
.vendor = PCI_VENDOR_ID_AL,
.device = PCI_ANY_ID,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
{ }
};
(void) pdev; /* unused */
MODULE_DEVICE_TABLE(pci, agp_ali_pci_table);
static struct pci_driver agp_ali_pci_driver = {
.name = "agpgart-ali",
.id_table = agp_ali_pci_table,
.probe = agp_ali_probe,
};
static int __init agp_ali_init(void)
{
int ret_val;
ret_val = pci_module_init(&agp_ali_pci_driver);
if (ret_val)
agp_bridge.type = NOT_SUPPORTED;
return ret_val;
}
static void __exit agp_ali_cleanup(void)
{
agp_unregister_driver();
pci_unregister_driver(&agp_ali_pci_driver);
}
module_init(agp_ali_init);
module_exit(agp_ali_cleanup);
MODULE_PARM(agp_try_unsupported, "1i");
MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
MODULE_LICENSE("GPL and additional rights");
drivers/char/agp/amd-agp.c → drivers/char/agp/amd-k7-agp.c
View file @ 2140dbb5
/*
* AGPGART module version 0.99
* Copyright (C) 1999 Jeff Hartmann
* Copyright (C) 1999 Precision Insight, Inc.
* Copyright (C) 1999 Xi Graphics, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* TODO:
* - Allocate more than order 0 pages to avoid too much linear map splitting.
* AMD K7 AGPGART routines.
*/
#include <linux/module.h>
......@@ -32,6 +8,8 @@
#include <linux/agp_backend.h>
#include "agp.h"
static int agp_try_unsupported __initdata = 0;
struct amd_page_map {
unsigned long *real;
unsigned long *remapped;
......@@ -160,8 +138,8 @@ static int amd_create_gatt_table(void)
return retval;
}
agp_bridge.gatt_table_real = page_dir.real;
agp_bridge.gatt_table = page_dir.remapped;
agp_bridge.gatt_table_real = (u32 *)page_dir.real;
agp_bridge.gatt_table = (u32 *)page_dir.remapped;
agp_bridge.gatt_bus_addr = virt_to_phys(page_dir.real);
/* Get the address for the gart region.
......@@ -187,8 +165,8 @@ static int amd_free_gatt_table(void)
{
struct amd_page_map page_dir;
page_dir.real = agp_bridge.gatt_table_real;
page_dir.remapped = agp_bridge.gatt_table;
page_dir.real = (u32 *)agp_bridge.gatt_table_real;
page_dir.remapped = (u32 *)agp_bridge.gatt_table;
amd_free_gatt_pages();
amd_free_page_map(&page_dir);
......@@ -400,9 +378,128 @@ int __init amd_irongate_setup (struct pci_dev *pdev)
agp_bridge.suspend = agp_generic_suspend;
agp_bridge.resume = agp_generic_resume;
agp_bridge.cant_use_aperture = 0;
return 0;
}
struct agp_device_ids amd_agp_device_ids[] __initdata =
{
{
.device_id = PCI_DEVICE_ID_AMD_FE_GATE_7006,
.chipset = AMD_IRONGATE,
.chipset_name = "Irongate",
},
{
.device_id = PCI_DEVICE_ID_AMD_FE_GATE_700E,
.chipset = AMD_761,
.chipset_name = "761",
},
{
.device_id = PCI_DEVICE_ID_AMD_FE_GATE_700C,
.chipset = AMD_762,
.chipset_name = "760MP",
},
{ }, /* dummy final entry, always present */
};
/* scan table above for supported devices */
static int __init agp_lookup_host_bridge (struct pci_dev *pdev)
{
int j=0;
struct agp_device_ids *devs;
devs = amd_agp_device_ids;
while (devs[j].chipset_name != NULL) {
if (pdev->device == devs[j].device_id) {
printk (KERN_INFO PFX "Detected AMD %s chipset\n", devs[j].chipset_name);
agp_bridge.type = devs[j].chipset;
if (devs[j].chipset_setup != NULL)
return devs[j].chipset_setup(pdev);
else
return amd_irongate_setup(pdev);
}
j++;
}
/* try init anyway, if user requests it */
if (agp_try_unsupported) {
printk(KERN_WARNING PFX "Trying generic AMD routines"
" for device id: %04x\n", pdev->device);
agp_bridge.type = AMD_GENERIC;
return amd_irongate_setup(pdev);
}
printk(KERN_ERR PFX "Unsupported AMD chipset (device id: %04x),"
" you might want to try agp_try_unsupported=1.\n", pdev->device);
return -ENODEV;
}
/* Supported Device Scanning routine */
static int __init agp_find_supported_device(struct pci_dev *dev)
{
agp_bridge.dev = dev;
if (pci_find_capability(dev, PCI_CAP_ID_AGP)==0)
return -ENODEV;
/* probe for known chipsets */
return agp_lookup_host_bridge (dev);
}
static int agp_amdk7_probe (struct pci_dev *dev, const struct pci_device_id *ent)
{
if (agp_find_supported_device(dev) == 0) {
agp_register_driver(dev);
return 0;
}
return -ENODEV;
}
static struct pci_device_id agp_amdk7_pci_table[] __initdata = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
.class_mask = ~0,
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_ANY_ID,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
{ }
};
MODULE_DEVICE_TABLE(pci, agp_amdk7_pci_table);
(void) pdev; /* unused */
static struct pci_driver agp_amdk7_pci_driver = {
.name = "agpgart-amdk7",
.id_table = agp_amdk7_pci_table,
.probe = agp_amdk7_probe,
};
static int __init agp_amdk7_init(void)
{
int ret_val;
ret_val = pci_module_init(&agp_amdk7_pci_driver);
if (ret_val)
agp_bridge.type = NOT_SUPPORTED;
return ret_val;
}
static void __exit agp_amdk7_cleanup(void)
{
agp_unregister_driver();
pci_unregister_driver(&agp_amdk7_pci_driver);
}
module_init(agp_amdk7_init);
module_exit(agp_amdk7_cleanup);
MODULE_PARM(agp_try_unsupported, "1i");
MODULE_LICENSE("GPL and additional rights");
drivers/char/agp/k8-agp.c → drivers/char/agp/amd-k8-agp.c
View file @ 2140dbb5
......@@ -161,7 +161,7 @@ static void inline flush_x86_64_tlb(struct pci_dev *dev)
}
void amd_x86_64_tlbflush(agp_memory * temp)
static void amd_x86_64_tlbflush(agp_memory * temp)
{
struct pci_dev *dev;
......@@ -178,7 +178,7 @@ void amd_x86_64_tlbflush(agp_memory * temp)
* In a multiprocessor x86-64 system, this function gets
* called once for each CPU.
*/
u64 amd_x86_64_configure (struct pci_dev *hammer, u64 gatt_table)
static u64 amd_x86_64_configure (struct pci_dev *hammer, u64 gatt_table)
{
u64 aperturebase;
u32 tmp;
......@@ -444,7 +444,7 @@ static void agp_x86_64_agp_enable(u32 mode)
}
int __init amd_8151_setup (struct pci_dev *pdev)
static int __init amd_8151_setup (struct pci_dev *pdev)
{
agp_bridge.masks = amd_8151_masks;
agp_bridge.num_of_masks = 1;
......@@ -471,6 +471,60 @@ int __init amd_8151_setup (struct pci_dev *pdev)
agp_bridge.suspend = agp_generic_suspend;
agp_bridge.resume = agp_generic_resume;
agp_bridge.cant_use_aperture = 0;
return 0;
}
static int agp_amdk8_probe (struct pci_dev *dev, const struct pci_device_id *ent)
{
if (pci_find_capability(dev, PCI_CAP_ID_AGP)==0)
return -ENODEV;
amd_8151_setup(dev);
agp_register_driver(dev);
return 0;
}
static struct pci_device_id agp_amdk8_pci_table[] __initdata = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
.class_mask = ~0,
.vendor = PCI_VENDOR_ID_AMD,
.device = PCI_DEVICE_ID_AMD_8151_0,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
{ }
};
MODULE_DEVICE_TABLE(pci, agp_amdk8_pci_table);
static struct pci_driver agp_amdk8_pci_driver = {
.name = "agpgart-amd-k8",
.id_table = agp_amdk8_pci_table,
.probe = agp_amdk8_probe,
};
static int __init agp_amdk8_init(void)
{
int ret_val;
ret_val = pci_module_init(&agp_amdk8_pci_driver);
if (ret_val)
agp_bridge.type = NOT_SUPPORTED;
return ret_val;
}
static void __exit agp_amdk8_cleanup(void)
{
agp_unregister_driver();
pci_unregister_driver(&agp_amdk8_pci_driver);
}
module_init(agp_amdk8_init);
module_exit(agp_amdk8_cleanup);
MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
MODULE_LICENSE("GPL and additional rights");
drivers/char/agp/backend.c 0 → 100644
View file @ 2140dbb5
/*
* AGPGART module version 1.0
* Copyright (C) 2002 Dave Jones.
* Copyright (C) 1999 Jeff Hartmann.
* Copyright (C) 1999 Precision Insight, Inc.
* Copyright (C) 1999 Xi Graphics, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* JEFF HARTMANN, DAVE JONES, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* TODO:
* - Allocate more than order 0 pages to avoid too much linear map splitting.
*/
#include <linux/config.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/pagemap.h>
#include <linux/miscdevice.h>
#include <linux/pm.h>
#include <linux/agp_backend.h>
#include "agp.h"
#define AGPGART_VERSION_MAJOR 1
#define AGPGART_VERSION_MINOR 0
struct agp_bridge_data agp_bridge = { .type = NOT_SUPPORTED };
int agp_backend_acquire(void)
{
if (agp_bridge.type == NOT_SUPPORTED)
return -EINVAL;
atomic_inc(&agp_bridge.agp_in_use);
if (atomic_read(&agp_bridge.agp_in_use) != 1) {
atomic_dec(&agp_bridge.agp_in_use);
return -EBUSY;
}
MOD_INC_USE_COUNT;
return 0;
}
void agp_backend_release(void)
{
if (agp_bridge.type == NOT_SUPPORTED)
return;
atomic_dec(&agp_bridge.agp_in_use);
MOD_DEC_USE_COUNT;
}
struct agp_max_table {
int mem;
int agp;
};
static struct agp_max_table maxes_table[9] __initdata =
{
{0, 0},
{32, 4},
{64, 28},
{128, 96},
{256, 204},
{512, 440},
{1024, 942},
{2048, 1920},
{4096, 3932}
};
static int __init agp_find_max (void)
{
long memory, index, result;
memory = virt_to_phys(high_memory) >> 20;
index = 1;
while ((memory > maxes_table[index].mem) && (index < 8))
index++;
result = maxes_table[index - 1].agp +
( (memory - maxes_table[index - 1].mem) *
(maxes_table[index].agp - maxes_table[index - 1].agp)) /
(maxes_table[index].mem - maxes_table[index - 1].mem);
printk(KERN_INFO PFX "Maximum main memory to use for agp memory: %ldM\n", result);
result = result << (20 - PAGE_SHIFT);
return result;
}
static struct agp_version agp_current_version =
{
.major = AGPGART_VERSION_MAJOR,
.minor = AGPGART_VERSION_MINOR,
};
static int __init agp_backend_initialize(struct pci_dev *dev)
{
int size_value, rc, got_gatt=0, got_keylist=0;
u8 cap_ptr = 0;
agp_bridge.max_memory_agp = agp_find_max();
agp_bridge.version = &agp_current_version;
cap_ptr = pci_find_capability(dev, PCI_CAP_ID_AGP);
if (cap_ptr == 0)
return -ENODEV;
agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx + 4, &agp_bridge.mode);
if (agp_bridge.needs_scratch_page == TRUE) {
void *addr;
addr = agp_bridge.agp_alloc_page();
if (addr == NULL) {
printk(KERN_ERR PFX "unable to get memory for scratch page.\n");
return -ENOMEM;
}
agp_bridge.scratch_page = virt_to_phys(addr);
agp_bridge.scratch_page = agp_bridge.mask_memory(agp_bridge.scratch_page, 0);
}
size_value = agp_bridge.fetch_size();
if (size_value == 0) {
printk(KERN_ERR PFX "unable to determine aperture size.\n");
rc = -EINVAL;
goto err_out;
}
if (agp_bridge.create_gatt_table()) {
printk(KERN_ERR PFX "unable to get memory for graphics translation table.\n");
rc = -ENOMEM;
goto err_out;
}
got_gatt = 1;
agp_bridge.key_list = vmalloc(PAGE_SIZE * 4);
if (agp_bridge.key_list == NULL) {
printk(KERN_ERR PFX "error allocating memory for key lists.\n");
rc = -ENOMEM;
goto err_out;
}
got_keylist = 1;
/* FIXME vmalloc'd memory not guaranteed contiguous */
memset(agp_bridge.key_list, 0, PAGE_SIZE * 4);
if (agp_bridge.configure()) {
printk(KERN_ERR PFX "error configuring host chipset.\n");
rc = -EINVAL;
goto err_out;
}
printk(KERN_INFO PFX "AGP aperture is %dM @ 0x%lx\n",
size_value, agp_bridge.gart_bus_addr);
return 0;
err_out:
if (agp_bridge.needs_scratch_page == TRUE) {
agp_bridge.scratch_page &= ~(0x00000fff);
agp_bridge.agp_destroy_page(phys_to_virt(agp_bridge.scratch_page));
}
if (got_gatt)
agp_bridge.free_gatt_table();
if (got_keylist)
vfree(agp_bridge.key_list);
return rc;
}
/* cannot be __exit b/c as it could be called from __init code */
static void agp_backend_cleanup(void)
{
agp_bridge.cleanup();
agp_bridge.free_gatt_table();
vfree(agp_bridge.key_list);
if (agp_bridge.needs_scratch_page == TRUE) {
agp_bridge.scratch_page &= ~(0x00000fff);
agp_bridge.agp_destroy_page(phys_to_virt(agp_bridge.scratch_page));
}
}
static int agp_power(struct pm_dev *dev, pm_request_t rq, void *data)
{
switch(rq)
{
case PM_SUSPEND:
return agp_bridge.suspend();
case PM_RESUME:
agp_bridge.resume();
return 0;
}
return 0;
}
extern int agp_frontend_initialize(void);
extern void agp_frontend_cleanup(void);
static const drm_agp_t drm_agp = {
&agp_free_memory,
&agp_allocate_memory,
&agp_bind_memory,
&agp_unbind_memory,
&agp_enable,
&agp_backend_acquire,
&agp_backend_release,
&agp_copy_info
};
static int agp_count=0;
int agp_register_driver (struct pci_dev *dev)
{
int ret_val;
if (agp_count==1) {
printk (KERN_DEBUG PFX "Only one agpgart device currently supported.\n");
return -ENODEV;
}
ret_val = agp_backend_initialize(dev);
if (ret_val) {
agp_bridge.type = NOT_SUPPORTED;
return ret_val;
}
ret_val = agp_frontend_initialize();
if (ret_val) {
agp_bridge.type = NOT_SUPPORTED;
agp_backend_cleanup();
return ret_val;
}
inter_module_register("drm_agp", THIS_MODULE, &drm_agp);
pm_register(PM_PCI_DEV, PM_PCI_ID(agp_bridge.dev), agp_power);
agp_count++;
return 0;
}
int __exit agp_unregister_driver(void)
{
agp_bridge.type = NOT_SUPPORTED;
pm_unregister_all(agp_power);
agp_frontend_cleanup();
agp_backend_cleanup();
inter_module_unregister("drm_agp");
agp_count--;
return 0;
}
int __init agp_init(void)
{
memset(&agp_bridge, 0, sizeof(struct agp_bridge_data));
agp_bridge.type = NOT_SUPPORTED;
printk(KERN_INFO "Linux agpgart interface v%d.%d (c) Dave Jones\n",
AGPGART_VERSION_MAJOR, AGPGART_VERSION_MINOR);
return 0;
}
#ifndef CONFIG_GART_IOMMU
module_init(agp_init);
#endif
EXPORT_SYMBOL(agp_backend_acquire);
EXPORT_SYMBOL(agp_backend_release);
EXPORT_SYMBOL_GPL(agp_register_driver);
MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
MODULE_LICENSE("GPL and additional rights");
drivers/char/agp/frontend.c
View file @ 2140dbb5
......@@ -1063,7 +1063,7 @@ static struct file_operations agp_fops =
static struct miscdevice agp_miscdev =
{
AGPGART_MINOR,
AGPGART_MODULE_NAME,
"agpgart",
&agp_fops
};
......
drivers/char/agp/hp-agp.c
View file @ 2140dbb5
/*
* AGPGART module version 0.99
* Copyright (C) 1999 Jeff Hartmann
* Copyright (C) 1999 Precision Insight, Inc.
* Copyright (C) 1999 Xi Graphics, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* TODO:
* - Allocate more than order 0 pages to avoid too much linear map splitting.
* HP AGPGART routines.
*/
#include <linux/module.h>
......@@ -32,7 +8,6 @@
#include <linux/agp_backend.h>
#include "agp.h"
#ifndef log2
#define log2(x) ffz(~(x))
#endif
......@@ -174,15 +149,13 @@ static int __init hp_zx1_ioc_init(void)
for (i = 0; i < PCI_NUM_RESOURCES; i++) {
if (pci_resource_flags(ioc, i) == IORESOURCE_MEM) {
hp->registers = (u8 *) ioremap(pci_resource_start(ioc,
i),
hp->registers = (u8 *) ioremap(pci_resource_start(ioc, i),
pci_resource_len(ioc, i));
break;
}
}
if (!hp->registers) {
printk(KERN_ERR PFX "Detected HP ZX1 AGP bridge but no CSRs\n");
return -ENODEV;
}
......@@ -386,9 +359,72 @@ int __init hp_zx1_setup (struct pci_dev *pdev)
agp_bridge.agp_alloc_page = agp_generic_alloc_page;
agp_bridge.agp_destroy_page = agp_generic_destroy_page;
agp_bridge.cant_use_aperture = 1;
return hp_zx1_ioc_init();
}
static int __init agp_find_supported_device(struct pci_dev *dev)
{
agp_bridge.dev = dev;
/* ZX1 LBAs can be either PCI or AGP bridges */
if (pci_find_capability(dev, PCI_CAP_ID_AGP)) {
printk(KERN_INFO PFX "Detected HP ZX1 AGP chipset at %s\n",
dev->slot_name);
agp_bridge.type = HP_ZX1;
agp_bridge.dev = dev;
return hp_zx1_setup(dev);
}
return -ENODEV;
}
static int agp_hp_probe (struct pci_dev *dev, const struct pci_device_id *ent)
{
if (agp_find_supported_device(dev) == 0) {
agp_register_driver(dev);
return 0;
}
return -ENODEV;
}
static struct pci_device_id agp_hp_pci_table[] __initdata = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
.class_mask = ~0,
.vendor_id = PCI_VENDOR_ID_HP,
.device = PCI_DEVICE_ID_HP_ZX1_LBA,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
{ }
};
MODULE_DEVICE_TABLE(pci, agp_pci_table);
static struct pci_driver agp_hp_pci_driver = {
.name = "agpgart-hp",
.id_table = agp_hp_pci_table,
.probe = agp_hp_probe,
};
(void) pdev; /* unused */
static int __init agp_hp_init(void)
{
int ret_val;
ret_val = pci_module_init(&agp_hp_pci_driver);
if (ret_val)
agp_bridge.type = NOT_SUPPORTED;
return ret_val;
}
static void __exit agp_hp_cleanup(void)
{
agp_unregister_driver();
pci_unregister_driver(&agp_pci_driver);
}
module_init(agp_hp_init);
module_exit(agp_hp_cleanup);
MODULE_LICENSE("GPL and additional rights");
drivers/char/agp/i460-agp.c
View file @ 2140dbb5
/*
* AGPGART module version 0.99
* Copyright (C) 1999 Jeff Hartmann
* Copyright (C) 1999 Precision Insight, Inc.
* Copyright (C) 1999 Xi Graphics, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* TODO:
* - Allocate more than order 0 pages to avoid too much linear map splitting.
* FIXME: Nothing ever calls this stuff!
*/
#include <linux/module.h>
......@@ -593,3 +569,56 @@ int __init intel_i460_setup (struct pci_dev *pdev __attribute__((unused)))
return 0;
}
static int agp_intel_i460_probe (struct pci_dev *dev, const struct pci_device_id *ent)
{
if (pci_find_capability(dev, PCI_CAP_ID_AGP)==0)
return -ENODEV;
intel_i460_setup(dev);
agp_register_driver(dev);
return 0;
}
static struct pci_device_id agp_i460_pci_table[] __initdata = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
.class_mask = ~0,
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_DEVICE_ID_INTEL_460GX,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
{ }
};
MODULE_DEVICE_TABLE(pci, agp_i460_pci_table);
static struct pci_driver agp_i460_pci_driver = {
.name = "agpgart-intel-i460",
.id_table = agp_i460_pci_table,
.probe = agp_i460_probe,
};
static int __init agp_i460_init(void)
{
int ret_val;
ret_val = pci_module_init(&agp_i460_pci_driver);
if (ret_val)
agp_bridge.type = NOT_SUPPORTED;
return ret_val;
}
static void __exit agp_i460_cleanup(void)
{
agp_unregister_driver();
pci_unregister_driver(&agp_i460_pci_driver);
}
module_init(agp_i460_init);
module_exit(agp_i460_cleanup);
MODULE_AUTHOR("Bjorn Helgaas <helgaas@fc.hp.com>");
MODULE_LICENSE("GPL and additional rights");
drivers/char/agp/i810-agp.c deleted 100644 → 0
View file @ 47e9a962
This diff is collapsed.
drivers/char/agp/sis-agp.c
View file @ 2140dbb5
/*
* AGPGART module version 0.99
* Copyright (C) 1999 Jeff Hartmann
* Copyright (C) 1999 Precision Insight, Inc.
* Copyright (C) 1999 Xi Graphics, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* TODO:
* - Allocate more than order 0 pages to avoid too much linear map splitting.
* SiS AGPGART routines.
*/
#include <linux/module.h>
......@@ -32,6 +8,8 @@
#include <linux/agp_backend.h>
#include "agp.h"
static int agp_try_unsupported __initdata = 0;
static int sis_fetch_size(void)
{
u8 temp_size;
......@@ -55,7 +33,6 @@ static int sis_fetch_size(void)
return 0;
}
static void sis_tlbflush(agp_memory * mem)
{
pci_write_config_byte(agp_bridge.dev, SIS_TLBFLUSH, 0x02);
......@@ -140,3 +117,172 @@ int __init sis_generic_setup (struct pci_dev *pdev)
return 0;
}
struct agp_device_ids sis_agp_device_ids[] __initdata =
{
{
.device_id = PCI_DEVICE_ID_SI_740,
.chipset = SIS_GENERIC,
.chipset_name = "740",
},
{
.device_id = PCI_DEVICE_ID_SI_650,
.chipset = SIS_GENERIC,
.chipset_name = "650",
},
{
.device_id = PCI_DEVICE_ID_SI_651,
.chipset = SIS_GENERIC,
.chipset_name = "651",
},
{
.device_id = PCI_DEVICE_ID_SI_645,
.chipset = SIS_GENERIC,
.chipset_name = "645",
},
{
.device_id = PCI_DEVICE_ID_SI_646,
.chipset = SIS_GENERIC,
.chipset_name = "646",
},
{
.device_id = PCI_DEVICE_ID_SI_735,
.chipset = SIS_GENERIC,
.chipset_name = "735",
},
{
.device_id = PCI_DEVICE_ID_SI_745,
.chipset = SIS_GENERIC,
.chipset_name = "745",
},
{
.device_id = PCI_DEVICE_ID_SI_730,
.chipset = SIS_GENERIC,
.chipset_name = "730",
},
{
.device_id = PCI_DEVICE_ID_SI_630,
.chipset = SIS_GENERIC,
.chipset_name = "630",
},
{
.device_id = PCI_DEVICE_ID_SI_540,
.chipset = SIS_GENERIC,
.chipset_name = "540",
},
{
.device_id = PCI_DEVICE_ID_SI_620,
.chipset = SIS_GENERIC,
.chipset_name = "620",
},
{
.device_id = PCI_DEVICE_ID_SI_530,
.chipset = SIS_GENERIC,
.chipset_name = "530",
},
{
.device_id = PCI_DEVICE_ID_SI_550,
.chipset = SIS_GENERIC,
.chipset_name = "550",
},
{ }, /* dummy final entry, always present */
};
/* scan table above for supported devices */
static int __init agp_lookup_host_bridge (struct pci_dev *pdev)
{
int j=0;
struct agp_device_ids *devs;
devs = sis_agp_device_ids;
while (devs[j].chipset_name != NULL) {
if (pdev->device == devs[j].device_id) {
printk (KERN_INFO PFX "Detected SiS %s chipset\n",
devs[j].chipset_name);
agp_bridge.type = devs[j].chipset;
if (devs[j].chipset_setup != NULL)
return devs[j].chipset_setup(pdev);
else
return sis_generic_setup(pdev);
}
j++;
}
/* try init anyway, if user requests it */
if (agp_try_unsupported) {
printk(KERN_WARNING PFX "Trying generic SiS routines"
" for device id: %04x\n", pdev->device);
agp_bridge.type = SIS_GENERIC;
return sis_generic_setup(pdev);
}
printk(KERN_ERR PFX "Unsupported SiS chipset (device id: %04x),"
" you might want to try agp_try_unsupported=1.\n", pdev->device);
return -ENODEV;
}
static int __init agp_find_supported_device(struct pci_dev *dev)
{
agp_bridge.dev = dev;
if (pci_find_capability(dev, PCI_CAP_ID_AGP)==0)
return -ENODEV;
/* probe for known chipsets */
return agp_lookup_host_bridge (dev);
}
static int agp_sis_probe (struct pci_dev *dev, const struct pci_device_id *ent)
{
if (agp_find_supported_device(dev) == 0) {
agp_register_driver(dev);
return 0;
}
return -ENODEV;
}
static struct pci_device_id agp_sis_pci_table[] __initdata = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
.class_mask = ~0,
.vendor = PCI_VENDOR_ID_SI,
.device = PCI_ANY_ID,
.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,
};
int __init agp_sis_init(void)
{
int ret_val;
ret_val = pci_module_init(&agp_sis_pci_driver);
if (ret_val)
agp_bridge.type = NOT_SUPPORTED;
return ret_val;
}
static void __exit agp_sis_cleanup(void)
{
agp_unregister_driver();
pci_unregister_driver(&agp_sis_pci_driver);
}
module_init(agp_sis_init);
module_exit(agp_sis_cleanup);
MODULE_PARM(agp_try_unsupported, "1i");
MODULE_LICENSE("GPL and additional rights");
drivers/char/agp/sworks-agp.c
View file @ 2140dbb5
/*
* AGPGART module version 0.99
* Copyright (C) 1999 Jeff Hartmann
* Copyright (C) 1999 Precision Insight, Inc.
* Copyright (C) 1999 Xi Graphics, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* TODO:
* - Allocate more than order 0 pages to avoid too much linear map splitting.
* Serverworks AGPGART routines.
*/
#include <linux/module.h>
......@@ -32,6 +8,8 @@
#include <linux/agp_backend.h>
#include "agp.h"
static int agp_try_unsupported __initdata = 0;
struct serverworks_page_map {
unsigned long *real;
unsigned long *remapped;
......@@ -182,8 +160,8 @@ static int serverworks_create_gatt_table(void)
return retval;
}
agp_bridge.gatt_table_real = page_dir.real;
agp_bridge.gatt_table = page_dir.remapped;
agp_bridge.gatt_table_real = (unsigned long *)page_dir.real;
agp_bridge.gatt_table = (unsigned long *)page_dir.remapped;
agp_bridge.gatt_bus_addr = virt_to_phys(page_dir.real);
/* Get the address for the gart region.
......@@ -211,8 +189,8 @@ static int serverworks_free_gatt_table(void)
{
struct serverworks_page_map page_dir;
page_dir.real = agp_bridge.gatt_table_real;
page_dir.remapped = agp_bridge.gatt_table;
page_dir.real = (unsigned long *)agp_bridge.gatt_table_real;
page_dir.remapped = (unsigned long *)agp_bridge.gatt_table;
serverworks_free_gatt_pages();
serverworks_free_page_map(&page_dir);
......@@ -624,3 +602,91 @@ int __init serverworks_setup (struct pci_dev *pdev)
return 0;
}
static int __init agp_find_supported_device(struct pci_dev *dev)
{
struct pci_dev *bridge_dev;
agp_bridge.dev = dev;
/* Everything is on func 1 here so we are hardcoding function one */
bridge_dev = pci_find_slot ((unsigned int)dev->bus->number, PCI_DEVFN(0, 1));
if(bridge_dev == NULL) {
printk(KERN_INFO PFX "agpgart: Detected a Serverworks "
"Chipset, but could not find the secondary "
"device.\n");
return -ENODEV;
}
switch (dev->device) {
case PCI_DEVICE_ID_SERVERWORKS_HE:
agp_bridge.type = SVWRKS_HE;
return serverworks_setup(bridge_dev);
case PCI_DEVICE_ID_SERVERWORKS_LE:
case 0x0007:
agp_bridge.type = SVWRKS_LE;
return serverworks_setup(bridge_dev);
default:
if(agp_try_unsupported) {
agp_bridge.type = SVWRKS_GENERIC;
return serverworks_setup(bridge_dev);
}
break;
}
return -ENODEV;
}
static int agp_serverworks_probe (struct pci_dev *dev, const struct pci_device_id *ent)
{
if (agp_find_supported_device(dev) == 0) {
agp_register_driver(dev);
return 0;
}
return -ENODEV;
}
static struct pci_device_id agp_serverworks_pci_table[] __initdata = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
.class_mask = ~0,
.vendor = PCI_VENDOR_ID_SERVERWORKS,
.device = PCI_ANY_ID,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
{ }
};
MODULE_DEVICE_TABLE(pci, agp_serverworks_pci_table);
static struct pci_driver agp_serverworks_pci_driver = {
.name = "agpgart-serverworks",
.id_table = agp_serverworks_pci_table,
.probe = agp_serverworks_probe,
};
static int __init agp_serverworks_init(void)
{
int ret_val;
ret_val = pci_module_init(&agp_serverworks_pci_driver);
if (ret_val)
agp_bridge.type = NOT_SUPPORTED;
return ret_val;
}
static void __exit agp_serverworks_cleanup(void)
{
agp_unregister_driver();
pci_unregister_driver(&agp_serverworks_pci_driver);
}
module_init(agp_serverworks_init);
module_exit(agp_serverworks_cleanup);
MODULE_PARM(agp_try_unsupported, "1i");
MODULE_LICENSE("GPL and additional rights");
drivers/char/agp/via-agp.c
View file @ 2140dbb5
/*
* AGPGART module version 0.99
* Copyright (C) 1999 Jeff Hartmann
* Copyright (C) 1999 Precision Insight, Inc.
* Copyright (C) 1999 Xi Graphics, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* JEFF HARTMANN, OR ANY OTHER CONTRIBUTORS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* TODO:
* - Allocate more than order 0 pages to avoid too much linear map splitting.
* VIA AGPGART routines.
*/
#include <linux/config.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/agp_backend.h>
#include "agp.h"
static int agp_try_unsupported __initdata = 0;
static int via_fetch_size(void)
{
......@@ -144,8 +121,159 @@ int __init via_generic_setup (struct pci_dev *pdev)
agp_bridge.suspend = agp_generic_suspend;
agp_bridge.resume = agp_generic_resume;
agp_bridge.cant_use_aperture = 0;
return 0;
}
struct agp_device_ids via_agp_device_ids[] __initdata =
{
{
.device_id = PCI_DEVICE_ID_VIA_8501_0,
.chipset = VIA_MVP4,
.chipset_name = "MVP4",
},
{
.device_id = PCI_DEVICE_ID_VIA_82C597_0,
.chipset = VIA_VP3,
.chipset_name = "VP3",
},
{
.device_id = PCI_DEVICE_ID_VIA_82C598_0,
.chipset = VIA_MVP3,
.chipset_name = "MVP3",
},
{
.device_id = PCI_DEVICE_ID_VIA_82C691,
.chipset = VIA_APOLLO_PRO,
.chipset_name = "Apollo Pro",
},
{
.device_id = PCI_DEVICE_ID_VIA_8371_0,
.chipset = VIA_APOLLO_KX133,
.chipset_name = "Apollo Pro KX133",
},
{
.device_id = PCI_DEVICE_ID_VIA_8633_0,
.chipset = VIA_APOLLO_PRO_266,
.chipset_name = "Apollo Pro 266",
},
{
.device_id = PCI_DEVICE_ID_VIA_8363_0,
.chipset = VIA_APOLLO_KT133,
.chipset_name = "Apollo Pro KT133",
},
{
.device_id = PCI_DEVICE_ID_VIA_8367_0,
.chipset = VIA_APOLLO_KT133,
.chipset_name = "Apollo Pro KT266",
},
{
.device_id = PCI_DEVICE_ID_VIA_8377_0,
.chipset = VIA_APOLLO_KT400,
.chipset_name = "Apollo Pro KT400",
},
{
.device_id = PCI_DEVICE_ID_VIA_8653_0,
.chipset = VIA_APOLLO_PRO,
.chipset_name = "Apollo Pro266T",
},
{
.device_id = PCI_DEVICE_ID_VIA_82C694X_0,
.chipset = VIA_VT8605,
.chipset_name = "PM133"
},
{ }, /* dummy final entry, always present */
};
/* scan table above for supported devices */
static int __init agp_lookup_host_bridge (struct pci_dev *pdev)
{
int j=0;
struct agp_device_ids *devs;
devs = via_agp_device_ids;
while (devs[j].chipset_name != NULL) {
if (pdev->device == devs[j].device_id) {
printk (KERN_INFO PFX "Detected VIA %s chipset\n", devs[j].chipset_name);
agp_bridge.type = devs[j].chipset;
if (devs[j].chipset_setup != NULL)
return devs[j].chipset_setup(pdev);
else
return via_generic_setup(pdev);
}
j++;
}
/* try init anyway, if user requests it */
if (agp_try_unsupported) {
printk(KERN_WARNING PFX "Trying generic VIA routines"
" for device id: %04x\n", pdev->device);
agp_bridge.type = VIA_GENERIC;
return via_generic_setup(pdev);
}
printk(KERN_ERR PFX "Unsupported VIA chipset (device id: %04x),"
" you might want to try agp_try_unsupported=1.\n", pdev->device);
return -ENODEV;
}
static int agp_via_probe (struct pci_dev *dev, const struct pci_device_id *ent)
{
if (pci_find_capability(dev, PCI_CAP_ID_AGP)==0)
return -ENODEV;
agp_bridge.dev = dev;
/* probe for known chipsets */
if (agp_lookup_host_bridge (dev) != -ENODEV) {
agp_register_driver(dev);
return 0;
}
return -ENODEV;
}
static struct pci_device_id agp_via_pci_table[] __initdata = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
.class_mask = ~0,
.vendor = PCI_VENDOR_ID_VIA,
.device = PCI_ANY_ID,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
{ }
};
MODULE_DEVICE_TABLE(pci, agp_via_pci_table);
static struct pci_driver agp_via_pci_driver = {
.name = "agpgart-via",
.id_table = agp_via_pci_table,
.probe = agp_via_probe,
};
static int __init agp_via_init(void)
{
int ret_val;
(void) pdev; /* unused */
ret_val = pci_module_init(&agp_via_pci_driver);
if (ret_val)
agp_bridge.type = NOT_SUPPORTED;
return ret_val;
}
static void __exit agp_via_cleanup(void)
{
agp_unregister_driver();
pci_unregister_driver(&agp_via_pci_driver);
}
module_init(agp_via_init);
module_exit(agp_via_cleanup);
MODULE_PARM(agp_try_unsupported, "1i");
MODULE_LICENSE("GPL and additional rights");
include/linux/agp_backend.h
View file @ 2140dbb5
......@@ -35,9 +35,6 @@
#define FALSE 0
#endif
#define AGPGART_VERSION_MAJOR 0
#define AGPGART_VERSION_MINOR 99
enum chipset_type {
NOT_SUPPORTED,
INTEL_GENERIC,
......@@ -62,6 +59,8 @@ enum chipset_type {
VIA_APOLLO_KX133,
VIA_APOLLO_KT133,
VIA_APOLLO_KT400,
VIA_APOLLO_PRO_266,
VIA_VT8605,
SIS_GENERIC,
AMD_GENERIC,
AMD_IRONGATE,
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7