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Commit 0b778621 authored by Linus Torvalds's avatar Linus Torvalds
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Merge bk://linux-dj.bkbits.net/agpgart 

into ppc970.osdl.org:/home/torvalds/v2.6/linux
parents 49838689 d9654a8c
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MAINTAINERS
View file @ 0b778621
......@@ -201,7 +201,7 @@ S: Maintained
AGPGART DRIVER
P: Dave Jones
M: davej@codemonkey.org.uk
W: http://www.codemonkey.org.uk/agp/
W: http://www.codemonkey.org.uk/projects/agp/
S: Maintained
AHA152X SCSI DRIVER
......
drivers/char/agp/Kconfig
View file @ 0b778621
......@@ -77,7 +77,7 @@ config AGP_AMD64
config AGP_INTEL
tristate "Intel 440LX/BX/GX, I8xx and E7x05 chipset support"
depends on AGP && X86
depends on AGP && X86 && !X86_64
help
This option gives you AGP support for the GLX component of XFree86 4.x
on Intel 440LX/BX/GX, 815, 820, 830, 840, 845, 850, 860, 875,
......@@ -88,6 +88,16 @@ config AGP_INTEL
use GLX or DRI, or if you have any Intel integrated graphics
chipsets. If unsure, say Y.
config AGP_INTEL_MCH
tristate "Intel i865 chipset support"
depends on AGP && X86
help
This option gives you AGP support for the GLX component of XFree86 4.x
on Intel chipsets that support Intel EM64T processors.
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 Y.
config AGP_NVIDIA
tristate "NVIDIA nForce/nForce2 chipset support"
depends on AGP && X86 && !X86_64
......
drivers/char/agp/Makefile
View file @ 0b778621
......@@ -9,6 +9,7 @@ obj-$(CONFIG_AGP_ALPHA_CORE) += alpha-agp.o
obj-$(CONFIG_AGP_EFFICEON) += efficeon-agp.o
obj-$(CONFIG_AGP_HP_ZX1) += hp-agp.o
obj-$(CONFIG_AGP_I460) += i460-agp.o
obj-$(CONFIG_AGP_INTEL_MCH) += intel-mch-agp.o
obj-$(CONFIG_AGP_INTEL) += intel-agp.o
obj-$(CONFIG_AGP_NVIDIA) += nvidia-agp.o
obj-$(CONFIG_AGP_SIS) += sis-agp.o
......
drivers/char/agp/agp.h
View file @ 0b778621
/*
* AGPGART
* Copyright (C) 2002-2003 Dave Jones
* Copyright (C) 2002-2004 Dave Jones
* Copyright (C) 1999 Jeff Hartmann
* Copyright (C) 1999 Precision Insight, Inc.
* Copyright (C) 1999 Xi Graphics, Inc.
......@@ -167,8 +167,6 @@ struct agp_bridge_data {
#define PGE_EMPTY(b, p) (!(p) || (p) == (unsigned long) (b)->scratch_page)
/* Chipset independant registers (from AGP Spec) */
#define AGP_APBASE 0x10
/* Intel registers */
#define INTEL_APSIZE 0xb4
......@@ -177,14 +175,6 @@ struct agp_bridge_data {
#define INTEL_NBXCFG 0x50
#define INTEL_ERRSTS 0x91
/* Intel 460GX Registers */
#define INTEL_I460_BAPBASE 0x98
#define INTEL_I460_GXBCTL 0xa0
#define INTEL_I460_AGPSIZ 0xa2
#define INTEL_I460_ATTBASE 0xfe200000
#define INTEL_I460_GATT_VALID (1UL << 24)
#define INTEL_I460_GATT_COHERENT (1UL << 25)
/* Intel i830 registers */
#define I830_GMCH_CTRL 0x52
#define I830_GMCH_ENABLED 0x4
......@@ -219,26 +209,10 @@ struct agp_bridge_data {
#define I852_GME 0x2
#define I852_GM 0x5
/* Intel 815 register */
#define INTEL_815_APCONT 0x51
#define INTEL_815_ATTBASE_MASK ~0x1FFFFFFF
/* Intel i820 registers */
#define INTEL_I820_RDCR 0x51
#define INTEL_I820_ERRSTS 0xc8
/* Intel i840 registers */
#define INTEL_I840_MCHCFG 0x50
#define INTEL_I840_ERRSTS 0xc8
/* Intel i845 registers */
#define INTEL_I845_AGPM 0x51
#define INTEL_I845_ERRSTS 0xc8
/* Intel i850 registers */
#define INTEL_I850_MCHCFG 0x50
#define INTEL_I850_ERRSTS 0xc8
/* Intel i860 registers */
#define INTEL_I860_MCHCFG 0x50
#define INTEL_I860_ERRSTS 0xc8
......@@ -261,110 +235,6 @@ struct agp_bridge_data {
#define I810_DRAM_ROW_0 0x00000001
#define I810_DRAM_ROW_0_SDRAM 0x00000001
/* Intel 7505 registers */
#define INTEL_I7505_APSIZE 0x74
#define INTEL_I7505_NCAPID 0x60
#define INTEL_I7505_NISTAT 0x6c
#define INTEL_I7505_ATTBASE 0x78
#define INTEL_I7505_ERRSTS 0x42
#define INTEL_I7505_AGPCTRL 0x70
#define INTEL_I7505_MCHCFG 0x50
/* VIA register */
#define VIA_GARTCTRL 0x80
#define VIA_APSIZE 0x84
#define VIA_ATTBASE 0x88
/* VIA KT400 */
#define VIA_AGP3_GARTCTRL 0x90
#define VIA_AGP3_APSIZE 0x94
#define VIA_AGP3_ATTBASE 0x98
#define VIA_AGPSEL 0xfd
/* SiS registers */
#define SIS_ATTBASE 0x90
#define SIS_APSIZE 0x94
#define SIS_TLBCNTRL 0x97
#define SIS_TLBFLUSH 0x98
/* AMD registers */
#define AMD_MMBASE 0x14
#define AMD_APSIZE 0xac
#define AMD_MODECNTL 0xb0
#define AMD_MODECNTL2 0xb2
#define AMD_GARTENABLE 0x02 /* In mmio region (16-bit register) */
#define AMD_ATTBASE 0x04 /* In mmio region (32-bit register) */
#define AMD_TLBFLUSH 0x0c /* In mmio region (32-bit register) */
#define AMD_CACHEENTRY 0x10 /* In mmio region (32-bit register) */
/* AMD64 registers */
#define AMD64_GARTAPERTURECTL 0x90
#define AMD64_GARTAPERTUREBASE 0x94
#define AMD64_GARTTABLEBASE 0x98
#define AMD64_GARTCACHECTL 0x9c
#define AMD64_GARTEN (1<<0)
/* ALi registers */
#define ALI_AGPCTRL 0xb8
#define ALI_ATTBASE 0xbc
#define ALI_TLBCTRL 0xc0
#define ALI_TAGCTRL 0xc4
#define ALI_CACHE_FLUSH_CTRL 0xD0
#define ALI_CACHE_FLUSH_ADDR_MASK 0xFFFFF000
#define ALI_CACHE_FLUSH_EN 0x100
/* ATI register */
#define ATI_GART_MMBASE_ADDR 0x14
#define ATI_RS100_APSIZE 0xac
#define ATI_RS300_APSIZE 0xf8
#define ATI_RS100_IG_AGPMODE 0xb0
#define ATI_RS300_IG_AGPMODE 0xfc
#define ATI_GART_FEATURE_ID 0x00
#define ATI_GART_BASE 0x04
#define ATI_GART_CACHE_SZBASE 0x08
#define ATI_GART_CACHE_CNTRL 0x0c
#define ATI_GART_CACHE_ENTRY_CNTRL 0x10
/* Serverworks Registers */
#define SVWRKS_APSIZE 0x10
#define SVWRKS_SIZE_MASK 0xfe000000
#define SVWRKS_MMBASE 0x14
#define SVWRKS_CACHING 0x4b
#define SVWRKS_FEATURE 0x68
/* func 1 registers */
#define SVWRKS_AGP_ENABLE 0x60
#define SVWRKS_COMMAND 0x04
/* Memory mapped registers */
#define SVWRKS_GART_CACHE 0x02
#define SVWRKS_GATTBASE 0x04
#define SVWRKS_TLBFLUSH 0x10
#define SVWRKS_POSTFLUSH 0x14
#define SVWRKS_DIRFLUSH 0x0c
/* HP ZX1 SBA registers */
#define HP_ZX1_CTRL 0x200
#define HP_ZX1_IBASE 0x300
#define HP_ZX1_IMASK 0x308
#define HP_ZX1_PCOM 0x310
#define HP_ZX1_TCNFG 0x318
#define HP_ZX1_PDIR_BASE 0x320
#define HP_ZX1_CACHE_FLUSH 0x428
/* NVIDIA registers */
#define NVIDIA_0_APSIZE 0x80
#define NVIDIA_1_WBC 0xf0
#define NVIDIA_2_GARTCTRL 0xd0
#define NVIDIA_2_APBASE 0xd8
#define NVIDIA_2_APLIMIT 0xdc
#define NVIDIA_2_ATTBASE(i) (0xe0 + (i) * 4)
#define NVIDIA_3_APBASE 0x50
#define NVIDIA_3_APLIMIT 0x54
struct agp_device_ids {
unsigned short device_id; /* first, to make table easier to read */
enum chipset_type chipset;
......@@ -402,21 +272,38 @@ void global_cache_flush(void);
void get_agp_version(struct agp_bridge_data *bridge);
unsigned long agp_generic_mask_memory(unsigned long addr, int type);
/* generic routines for agp>=3 */
int agp3_generic_fetch_size(void);
void agp3_generic_tlbflush(struct agp_memory *mem);
int agp3_generic_configure(void);
void agp3_generic_cleanup(void);
/* aperture sizes have been standardised since v3 */
#define AGP_GENERIC_SIZES_ENTRIES 11
extern struct aper_size_info_16 agp3_generic_sizes[];
extern int agp_off;
extern int agp_try_unsupported_boot;
/* Standard agp registers */
#define AGPSTAT 0x4
#define AGPCMD 0x8
#define AGPNISTAT 0xc
#define AGPCTRL 0x10
#define AGPNEPG 0x16
#define AGPNICMD 0x20
/* Chipset independant registers (from AGP Spec) */
#define AGP_APBASE 0x10
#define AGPSTAT 0x4
#define AGPCMD 0x8
#define AGPNISTAT 0xc
#define AGPCTRL 0x10
#define AGPAPSIZE 0x14
#define AGPNEPG 0x16
#define AGPGARTLO 0x18
#define AGPGARTHI 0x1c
#define AGPNICMD 0x20
#define AGP_MAJOR_VERSION_SHIFT (20)
#define AGP_MINOR_VERSION_SHIFT (16)
#define AGPSTAT_RQ_DEPTH (0xff000000)
#define AGPSTAT_RQ_DEPTH_SHIFT 24
#define AGPSTAT_CAL_MASK (1<<12|1<<11|1<<10)
#define AGPSTAT_ARQSZ (1<<15|1<<14|1<<13)
......@@ -435,4 +322,7 @@ extern int agp_try_unsupported_boot;
#define AGPSTAT3_8X (1<<1)
#define AGPSTAT3_4X (1)
#endif /* _AGP_BACKEND_PRIV_H */
#define AGPCTRL_APERENB (1<<8)
#define AGPCTRL_GTLBEN (1<<7)
#endif /* _AGP_BACKEND_PRIV_H */
drivers/char/agp/ali-agp.c
View file @ 0b778621
......@@ -9,6 +9,14 @@
#include <linux/agp_backend.h>
#include "agp.h"
#define ALI_AGPCTRL 0xb8
#define ALI_ATTBASE 0xbc
#define ALI_TLBCTRL 0xc0
#define ALI_TAGCTRL 0xc4
#define ALI_CACHE_FLUSH_CTRL 0xD0
#define ALI_CACHE_FLUSH_ADDR_MASK 0xFFFFF000
#define ALI_CACHE_FLUSH_EN 0x100
static int ali_fetch_size(void)
{
int i;
......
drivers/char/agp/amd-k7-agp.c
View file @ 0b778621
......@@ -11,6 +11,15 @@
#include <linux/mm.h>
#include "agp.h"
#define AMD_MMBASE 0x14
#define AMD_APSIZE 0xac
#define AMD_MODECNTL 0xb0
#define AMD_MODECNTL2 0xb2
#define AMD_GARTENABLE 0x02 /* In mmio region (16-bit register) */
#define AMD_ATTBASE 0x04 /* In mmio region (32-bit register) */
#define AMD_TLBFLUSH 0x0c /* In mmio region (32-bit register) */
#define AMD_CACHEENTRY 0x10 /* In mmio region (32-bit register) */
struct amd_page_map {
unsigned long *real;
unsigned long *remapped;
......
drivers/char/agp/amd64-agp.c
View file @ 0b778621
......@@ -31,6 +31,13 @@
#define INVGART (1<<0)
#define GARTPTEERR (1<<1)
/* K8 On-cpu GART registers */
#define AMD64_GARTAPERTURECTL 0x90
#define AMD64_GARTAPERTUREBASE 0x94
#define AMD64_GARTTABLEBASE 0x98
#define AMD64_GARTCACHECTL 0x9c
#define AMD64_GARTEN (1<<0)
/* NVIDIA K8 registers */
#define NVIDIA_X86_64_0_APBASE 0x10
#define NVIDIA_X86_64_1_APBASE1 0x50
......@@ -382,8 +389,9 @@ static void __devinit amd8151_init(struct pci_dev *pdev, struct agp_bridge_data
case 0x11: revstring="B0"; break;
case 0x12: revstring="B1"; break;
case 0x13: revstring="B2"; break;
case 0x14: revstring="B3"; break;
default: revstring="??"; break;
}
}
printk (KERN_INFO PFX "Detected AMD 8151 AGP Bridge rev %s\n", revstring);
......
drivers/char/agp/ati-agp.c
View file @ 0b778621
......@@ -10,6 +10,18 @@
#include <asm/agp.h>
#include "agp.h"
#define ATI_GART_MMBASE_ADDR 0x14
#define ATI_RS100_APSIZE 0xac
#define ATI_RS100_IG_AGPMODE 0xb0
#define ATI_RS300_APSIZE 0xf8
#define ATI_RS300_IG_AGPMODE 0xfc
#define ATI_GART_FEATURE_ID 0x00
#define ATI_GART_BASE 0x04
#define ATI_GART_CACHE_SZBASE 0x08
#define ATI_GART_CACHE_CNTRL 0x0c
#define ATI_GART_CACHE_ENTRY_CNTRL 0x10
static struct aper_size_info_lvl2 ati_generic_sizes[7] =
{
{2048, 524288, 0x0000000c},
......
drivers/char/agp/generic.c
View file @ 0b778621
......@@ -880,7 +880,7 @@ EXPORT_SYMBOL(agp_generic_free_by_type);
void *agp_generic_alloc_page(void)
{
struct page * page;
page = alloc_page(GFP_KERNEL);
if (page == NULL)
return 0;
......@@ -956,3 +956,85 @@ unsigned long agp_generic_mask_memory(unsigned long addr, int type)
}
EXPORT_SYMBOL(agp_generic_mask_memory);
/*
* These functions are implemented according to the AGPv3 spec,
* which covers implementation details that had previously been
* left open.
*/
int agp3_generic_fetch_size(void)
{
u16 temp_size;
int i;
struct aper_size_info_16 *values;
pci_read_config_word(agp_bridge->dev, agp_bridge->capndx+AGPAPSIZE, &temp_size);
values = A_SIZE_16(agp_bridge->driver->aperture_sizes);
for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) {
if (temp_size == values[i].size_value) {
agp_bridge->previous_size =
agp_bridge->current_size = (void *) (values + i);
agp_bridge->aperture_size_idx = i;
return values[i].size;
}
}
return 0;
}
EXPORT_SYMBOL(agp3_generic_fetch_size);
void agp3_generic_tlbflush(struct agp_memory *mem)
{
u32 ctrl;
pci_read_config_dword(agp_bridge->dev, agp_bridge->capndx+AGPCTRL, &ctrl);
pci_write_config_dword(agp_bridge->dev, agp_bridge->capndx+AGPCTRL, ctrl & ~AGPCTRL_GTLBEN);
pci_write_config_dword(agp_bridge->dev, agp_bridge->capndx+AGPCTRL, ctrl);
}
EXPORT_SYMBOL(agp3_generic_tlbflush);
int agp3_generic_configure(void)
{
u32 temp;
struct aper_size_info_16 *current_size;
current_size = A_SIZE_16(agp_bridge->current_size);
pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp);
agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
/* set aperture size */
pci_write_config_word(agp_bridge->dev, agp_bridge->capndx+AGPAPSIZE, current_size->size_value);
/* set gart pointer */
pci_write_config_dword(agp_bridge->dev, agp_bridge->capndx+AGPGARTLO, agp_bridge->gatt_bus_addr);
/* enable aperture and GTLB */
pci_read_config_dword(agp_bridge->dev, agp_bridge->capndx+AGPCTRL, &temp);
pci_write_config_dword(agp_bridge->dev, agp_bridge->capndx+AGPCTRL, temp | AGPCTRL_APERENB | AGPCTRL_GTLBEN);
return 0;
}
EXPORT_SYMBOL(agp3_generic_configure);
void agp3_generic_cleanup(void)
{
u32 ctrl;
pci_read_config_dword(agp_bridge->dev, agp_bridge->capndx+AGPCTRL, &ctrl);
pci_write_config_dword(agp_bridge->dev, agp_bridge->capndx+AGPCTRL, ctrl & ~AGPCTRL_APERENB);
}
EXPORT_SYMBOL(agp3_generic_cleanup);
struct aper_size_info_16 agp3_generic_sizes[AGP_GENERIC_SIZES_ENTRIES] =
{
{4096, 1048576, 10,0x000},
{2048, 524288, 9, 0x800},
{1024, 262144, 8, 0xc00},
{ 512, 131072, 7, 0xe00},
{ 256, 65536, 6, 0xf00},
{ 128, 32768, 5, 0xf20},
{ 64, 16384, 4, 0xf30},
{ 32, 8192, 3, 0xf38},
{ 16, 4096, 2, 0xf3c},
{ 8, 2048, 1, 0xf3e},
{ 4, 1024, 0, 0xf3f}
};
EXPORT_SYMBOL(agp3_generic_sizes);
drivers/char/agp/i460-agp.c
View file @ 0b778621
......@@ -14,6 +14,13 @@
#include "agp.h"
#define INTEL_I460_BAPBASE 0x98
#define INTEL_I460_GXBCTL 0xa0
#define INTEL_I460_AGPSIZ 0xa2
#define INTEL_I460_ATTBASE 0xfe200000
#define INTEL_I460_GATT_VALID (1UL << 24)
#define INTEL_I460_GATT_COHERENT (1UL << 25)
/*
* The i460 can operate with large (4MB) pages, but there is no sane way to support this
* within the current kernel/DRM environment, so we disable the relevant code for now.
......
drivers/char/agp/intel-agp.c
View file @ 0b778621
......@@ -13,6 +13,31 @@
#include <linux/agp_backend.h>
#include "agp.h"
/* Intel 815 register */
#define INTEL_815_APCONT 0x51
#define INTEL_815_ATTBASE_MASK ~0x1FFFFFFF
/* Intel i820 registers */
#define INTEL_I820_RDCR 0x51
#define INTEL_I820_ERRSTS 0xc8
/* Intel i840 registers */
#define INTEL_I840_MCHCFG 0x50
#define INTEL_I840_ERRSTS 0xc8
/* Intel i850 registers */
#define INTEL_I850_MCHCFG 0x50
#define INTEL_I850_ERRSTS 0xc8
/* Intel 7505 registers */
#define INTEL_I7505_APSIZE 0x74
#define INTEL_I7505_NCAPID 0x60
#define INTEL_I7505_NISTAT 0x6c
#define INTEL_I7505_ATTBASE 0x78
#define INTEL_I7505_ERRSTS 0x42
#define INTEL_I7505_AGPCTRL 0x70
#define INTEL_I7505_MCHCFG 0x50
static struct aper_size_info_fixed intel_i810_sizes[] =
{
{64, 16384, 4},
......@@ -942,7 +967,7 @@ static struct aper_size_info_8 intel_830mp_sizes[4] =
{32, 8192, 3, 56}
};
struct agp_bridge_driver intel_generic_driver = {
static struct agp_bridge_driver intel_generic_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_generic_sizes,
.size_type = U16_APER_SIZE,
......@@ -965,7 +990,7 @@ struct agp_bridge_driver intel_generic_driver = {
.agp_destroy_page = agp_generic_destroy_page,
};
struct agp_bridge_driver intel_810_driver = {
static struct agp_bridge_driver intel_810_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_i810_sizes,
.size_type = FIXED_APER_SIZE,
......@@ -989,8 +1014,7 @@ struct agp_bridge_driver intel_810_driver = {
.agp_destroy_page = agp_generic_destroy_page,
};
struct agp_bridge_driver intel_815_driver = {
static struct agp_bridge_driver intel_815_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_815_sizes,
.size_type = U8_APER_SIZE,
......@@ -1013,7 +1037,7 @@ struct agp_bridge_driver intel_815_driver = {
.agp_destroy_page = agp_generic_destroy_page,
};
struct agp_bridge_driver intel_830_driver = {
static struct agp_bridge_driver intel_830_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_i830_sizes,
.size_type = FIXED_APER_SIZE,
......@@ -1037,8 +1061,7 @@ struct agp_bridge_driver intel_830_driver = {
.agp_destroy_page = agp_generic_destroy_page,
};
struct agp_bridge_driver intel_820_driver = {
static struct agp_bridge_driver intel_820_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_8xx_sizes,
.size_type = U8_APER_SIZE,
......@@ -1061,7 +1084,7 @@ struct agp_bridge_driver intel_820_driver = {
.agp_destroy_page = agp_generic_destroy_page,
};
struct agp_bridge_driver intel_830mp_driver = {
static struct agp_bridge_driver intel_830mp_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_830mp_sizes,
.size_type = U8_APER_SIZE,
......@@ -1084,7 +1107,7 @@ struct agp_bridge_driver intel_830mp_driver = {
.agp_destroy_page = agp_generic_destroy_page,
};
struct agp_bridge_driver intel_840_driver = {
static struct agp_bridge_driver intel_840_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_8xx_sizes,
.size_type = U8_APER_SIZE,
......@@ -1107,7 +1130,7 @@ struct agp_bridge_driver intel_840_driver = {
.agp_destroy_page = agp_generic_destroy_page,
};
struct agp_bridge_driver intel_845_driver = {
static struct agp_bridge_driver intel_845_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_8xx_sizes,
.size_type = U8_APER_SIZE,
......@@ -1130,7 +1153,7 @@ struct agp_bridge_driver intel_845_driver = {
.agp_destroy_page = agp_generic_destroy_page,
};
struct agp_bridge_driver intel_850_driver = {
static struct agp_bridge_driver intel_850_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_8xx_sizes,
.size_type = U8_APER_SIZE,
......@@ -1153,7 +1176,7 @@ struct agp_bridge_driver intel_850_driver = {
.agp_destroy_page = agp_generic_destroy_page,
};
struct agp_bridge_driver intel_860_driver = {
static struct agp_bridge_driver intel_860_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_8xx_sizes,
.size_type = U8_APER_SIZE,
......@@ -1176,7 +1199,7 @@ struct agp_bridge_driver intel_860_driver = {
.agp_destroy_page = agp_generic_destroy_page,
};
struct agp_bridge_driver intel_7505_driver = {
static struct agp_bridge_driver intel_7505_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_8xx_sizes,
.size_type = U8_APER_SIZE,
......
drivers/char/agp/intel-mch-agp.c 0 → 100644
View file @ 0b778621
/*
* Intel MCH AGPGART routines.
*/
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/agp_backend.h>
#include "agp.h"
#define AGP_DCACHE_MEMORY 1
#define AGP_PHYS_MEMORY 2
static struct gatt_mask intel_i810_masks[] =
{
{.mask = I810_PTE_VALID, .type = 0},
{.mask = (I810_PTE_VALID | I810_PTE_LOCAL), .type = AGP_DCACHE_MEMORY},
{.mask = I810_PTE_VALID, .type = 0}
};
static void intel_i810_tlbflush(struct agp_memory *mem)
{
return;
}
static void intel_i810_agp_enable(u32 mode)
{
return;
}
/*
* The i810/i830 requires a physical address to program its mouse
* pointer into hardware.
* However the Xserver still writes to it through the agp aperture.
*/
static struct agp_memory *alloc_agpphysmem_i8xx(size_t pg_count, int type)
{
struct agp_memory *new;
void *addr;
if (pg_count != 1)
return NULL;
addr = agp_bridge->driver->agp_alloc_page();
if (addr == NULL)
return NULL;
new = agp_create_memory(1);
if (new == NULL)
return NULL;
new->memory[0] = agp_bridge->driver->mask_memory(virt_to_phys(addr), type);
new->page_count = 1;
new->num_scratch_pages = 1;
new->type = AGP_PHYS_MEMORY;
new->physical = new->memory[0];
return new;
}
static void intel_i810_free_by_type(struct agp_memory *curr)
{
agp_free_key(curr->key);
if(curr->type == AGP_PHYS_MEMORY) {
agp_bridge->driver->agp_destroy_page(phys_to_virt(curr->memory[0]));
vfree(curr->memory);
}
kfree(curr);
}
static unsigned long intel_i810_mask_memory(unsigned long addr, int type)
{
/* Type checking must be done elsewhere */
return addr | agp_bridge->driver->masks[type].mask;
}
static struct aper_size_info_fixed intel_i830_sizes[] =
{
{128, 32768, 5},
/* The 64M mode still requires a 128k gatt */
{64, 16384, 5}
};
static struct _intel_i830_private {
struct pci_dev *i830_dev; /* device one */
volatile u8 *registers;
int gtt_entries;
} intel_i830_private;
static void intel_i830_init_gtt_entries(void)
{
u16 gmch_ctrl;
int gtt_entries;
u8 rdct;
int local = 0;
static const int ddt[4] = { 0, 16, 32, 64 };
pci_read_config_word(agp_bridge->dev,I830_GMCH_CTRL,&gmch_ctrl);
if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82830_HB ||
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82845G_HB) {
switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
case I830_GMCH_GMS_STOLEN_512:
gtt_entries = KB(512) - KB(132);
break;
case I830_GMCH_GMS_STOLEN_1024:
gtt_entries = MB(1) - KB(132);
break;
case I830_GMCH_GMS_STOLEN_8192:
gtt_entries = MB(8) - KB(132);
break;
case I830_GMCH_GMS_LOCAL:
rdct = INREG8(intel_i830_private.registers,
I830_RDRAM_CHANNEL_TYPE);
gtt_entries = (I830_RDRAM_ND(rdct) + 1) *
MB(ddt[I830_RDRAM_DDT(rdct)]);
local = 1;
break;
default:
gtt_entries = 0;
break;
}
} else {
switch (gmch_ctrl & I830_GMCH_GMS_MASK) {
case I855_GMCH_GMS_STOLEN_1M:
gtt_entries = MB(1) - KB(132);
break;
case I855_GMCH_GMS_STOLEN_4M:
gtt_entries = MB(4) - KB(132);
break;
case I855_GMCH_GMS_STOLEN_8M:
gtt_entries = MB(8) - KB(132);
break;
case I855_GMCH_GMS_STOLEN_16M:
gtt_entries = MB(16) - KB(132);
break;
case I855_GMCH_GMS_STOLEN_32M:
gtt_entries = MB(32) - KB(132);
break;
default:
gtt_entries = 0;
break;
}
}
if (gtt_entries > 0)
printk(KERN_INFO PFX "Detected %dK %s memory.\n",
gtt_entries / KB(1), local ? "local" : "stolen");
else
printk(KERN_INFO PFX
"No pre-allocated video memory detected.\n");
gtt_entries /= KB(4);
intel_i830_private.gtt_entries = gtt_entries;
}
/* The intel i830 automatically initializes the agp aperture during POST.
* Use the memory already set aside for in the GTT.
*/
static int intel_i830_create_gatt_table(void)
{
int page_order;
struct aper_size_info_fixed *size;
int num_entries;
u32 temp;
size = agp_bridge->current_size;
page_order = size->page_order;
num_entries = size->num_entries;
agp_bridge->gatt_table_real = 0;
pci_read_config_dword(intel_i830_private.i830_dev,I810_MMADDR,&temp);
temp &= 0xfff80000;
intel_i830_private.registers = (volatile u8 *) ioremap(temp,128 * 4096);
if (!intel_i830_private.registers)
return (-ENOMEM);
temp = INREG32(intel_i830_private.registers,I810_PGETBL_CTL) & 0xfffff000;
global_cache_flush();
/* we have to call this as early as possible after the MMIO base address is known */
intel_i830_init_gtt_entries();
agp_bridge->gatt_table = NULL;
agp_bridge->gatt_bus_addr = temp;
return(0);
}
/* Return the gatt table to a sane state. Use the top of stolen
* memory for the GTT.
*/
static int intel_i830_free_gatt_table(void)
{
return(0);
}
static int intel_i830_fetch_size(void)
{
u16 gmch_ctrl;
struct aper_size_info_fixed *values;
values = A_SIZE_FIX(agp_bridge->driver->aperture_sizes);
if (agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82830_HB &&
agp_bridge->dev->device != PCI_DEVICE_ID_INTEL_82845G_HB) {
/* 855GM/852GM/865G has 128MB aperture size */
agp_bridge->previous_size = agp_bridge->current_size = (void *) values;
agp_bridge->aperture_size_idx = 0;
return(values[0].size);
}
pci_read_config_word(agp_bridge->dev,I830_GMCH_CTRL,&gmch_ctrl);
if ((gmch_ctrl & I830_GMCH_MEM_MASK) == I830_GMCH_MEM_128M) {
agp_bridge->previous_size = agp_bridge->current_size = (void *) values;
agp_bridge->aperture_size_idx = 0;
return(values[0].size);
} else {
agp_bridge->previous_size = agp_bridge->current_size = (void *) values;
agp_bridge->aperture_size_idx = 1;
return(values[1].size);
}
return(0);
}
static int intel_i830_configure(void)
{
struct aper_size_info_fixed *current_size;
u32 temp;
u16 gmch_ctrl;
int i;
current_size = A_SIZE_FIX(agp_bridge->current_size);
pci_read_config_dword(intel_i830_private.i830_dev,I810_GMADDR,&temp);
agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
pci_read_config_word(agp_bridge->dev,I830_GMCH_CTRL,&gmch_ctrl);
gmch_ctrl |= I830_GMCH_ENABLED;
pci_write_config_word(agp_bridge->dev,I830_GMCH_CTRL,gmch_ctrl);
OUTREG32(intel_i830_private.registers,I810_PGETBL_CTL,agp_bridge->gatt_bus_addr | I810_PGETBL_ENABLED);
global_cache_flush();
if (agp_bridge->driver->needs_scratch_page)
for (i = intel_i830_private.gtt_entries; i < current_size->num_entries; i++)
OUTREG32(intel_i830_private.registers,I810_PTE_BASE + (i * 4),agp_bridge->scratch_page);
return (0);
}
static void intel_i830_cleanup(void)
{
iounmap((void *) intel_i830_private.registers);
}
static int intel_i830_insert_entries(struct agp_memory *mem,off_t pg_start,
int type)
{
int i,j,num_entries;
void *temp;
temp = agp_bridge->current_size;
num_entries = A_SIZE_FIX(temp)->num_entries;
if (pg_start < intel_i830_private.gtt_entries) {
printk (KERN_DEBUG PFX "pg_start == 0x%.8lx,intel_i830_private.gtt_entries == 0x%.8x\n",
pg_start,intel_i830_private.gtt_entries);
printk (KERN_INFO PFX "Trying to insert into local/stolen memory\n");
return (-EINVAL);
}
if ((pg_start + mem->page_count) > num_entries)
return (-EINVAL);
/* The i830 can't check the GTT for entries since its read only,
* depend on the caller to make the correct offset decisions.
*/
if ((type != 0 && type != AGP_PHYS_MEMORY) ||
(mem->type != 0 && mem->type != AGP_PHYS_MEMORY))
return (-EINVAL);
global_cache_flush();
for (i = 0, j = pg_start; i < mem->page_count; i++, j++)
OUTREG32(intel_i830_private.registers,I810_PTE_BASE + (j * 4),
agp_bridge->driver->mask_memory(mem->memory[i], mem->type));
global_cache_flush();
agp_bridge->driver->tlb_flush(mem);
return(0);
}
static int intel_i830_remove_entries(struct agp_memory *mem,off_t pg_start,
int type)
{
int i;
global_cache_flush();
if (pg_start < intel_i830_private.gtt_entries) {
printk (KERN_INFO PFX "Trying to disable local/stolen memory\n");
return (-EINVAL);
}
for (i = pg_start; i < (mem->page_count + pg_start); i++)
OUTREG32(intel_i830_private.registers,I810_PTE_BASE + (i * 4),agp_bridge->scratch_page);
global_cache_flush();
agp_bridge->driver->tlb_flush(mem);
return (0);
}
static struct agp_memory *intel_i830_alloc_by_type(size_t pg_count,int type)
{
if (type == AGP_PHYS_MEMORY)
return(alloc_agpphysmem_i8xx(pg_count, type));
/* always return NULL for other allocation types for now */
return(NULL);
}
static int intel_8xx_fetch_size(void)
{
u8 temp;
int i;
struct aper_size_info_8 *values;
pci_read_config_byte(agp_bridge->dev, INTEL_APSIZE, &temp);
values = A_SIZE_8(agp_bridge->driver->aperture_sizes);
for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) {
if (temp == values[i].size_value) {
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 intel_8xx_tlbflush(struct agp_memory *mem)
{
u32 temp;
pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp);
pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp & ~(1 << 7));
pci_read_config_dword(agp_bridge->dev, INTEL_AGPCTRL, &temp);
pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, temp | (1 << 7));
}
static void intel_8xx_cleanup(void)
{
u16 temp;
struct aper_size_info_8 *previous_size;
previous_size = A_SIZE_8(agp_bridge->previous_size);
pci_read_config_word(agp_bridge->dev, INTEL_NBXCFG, &temp);
pci_write_config_word(agp_bridge->dev, INTEL_NBXCFG, temp & ~(1 << 9));
pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, previous_size->size_value);
}
static int intel_845_configure(void)
{
u32 temp;
u8 temp2;
struct aper_size_info_8 *current_size;
current_size = A_SIZE_8(agp_bridge->current_size);
/* aperture size */
pci_write_config_byte(agp_bridge->dev, INTEL_APSIZE, current_size->size_value);
/* address to map to */
pci_read_config_dword(agp_bridge->dev, AGP_APBASE, &temp);
agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
/* attbase - aperture base */
pci_write_config_dword(agp_bridge->dev, INTEL_ATTBASE, agp_bridge->gatt_bus_addr);
/* agpctrl */
pci_write_config_dword(agp_bridge->dev, INTEL_AGPCTRL, 0x0000);
/* agpm */
pci_read_config_byte(agp_bridge->dev, INTEL_I845_AGPM, &temp2);
pci_write_config_byte(agp_bridge->dev, INTEL_I845_AGPM, temp2 | (1 << 1));
/* clear any possible error conditions */
pci_write_config_word(agp_bridge->dev, INTEL_I845_ERRSTS, 0x001c);
return 0;
}
/* Setup function */
static struct gatt_mask intel_generic_masks[] =
{
{.mask = 0x00000017, .type = 0}
};
static struct aper_size_info_8 intel_8xx_sizes[7] =
{
{256, 65536, 6, 0},
{128, 32768, 5, 32},
{64, 16384, 4, 48},
{32, 8192, 3, 56},
{16, 4096, 2, 60},
{8, 2048, 1, 62},
{4, 1024, 0, 63}
};
static struct agp_bridge_driver intel_830_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_i830_sizes,
.size_type = FIXED_APER_SIZE,
.num_aperture_sizes = 2,
.needs_scratch_page = TRUE,
.configure = intel_i830_configure,
.fetch_size = intel_i830_fetch_size,
.cleanup = intel_i830_cleanup,
.tlb_flush = intel_i810_tlbflush,
.mask_memory = intel_i810_mask_memory,
.masks = intel_i810_masks,
.agp_enable = intel_i810_agp_enable,
.cache_flush = global_cache_flush,
.create_gatt_table = intel_i830_create_gatt_table,
.free_gatt_table = intel_i830_free_gatt_table,
.insert_memory = intel_i830_insert_entries,
.remove_memory = intel_i830_remove_entries,
.alloc_by_type = intel_i830_alloc_by_type,
.free_by_type = intel_i810_free_by_type,
.agp_alloc_page = agp_generic_alloc_page,
.agp_destroy_page = agp_generic_destroy_page,
};
static struct agp_bridge_driver intel_845_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_8xx_sizes,
.size_type = U8_APER_SIZE,
.num_aperture_sizes = 7,
.configure = intel_845_configure,
.fetch_size = intel_8xx_fetch_size,
.cleanup = intel_8xx_cleanup,
.tlb_flush = intel_8xx_tlbflush,
.mask_memory = agp_generic_mask_memory,
.masks = intel_generic_masks,
.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,
};
static int find_i830(u16 device)
{
struct pci_dev *i830_dev;
i830_dev = pci_find_device(PCI_VENDOR_ID_INTEL, device, NULL);
if (i830_dev && PCI_FUNC(i830_dev->devfn) != 0) {
i830_dev = pci_find_device(PCI_VENDOR_ID_INTEL,
device, i830_dev);
}
if (!i830_dev)
return 0;
intel_i830_private.i830_dev = i830_dev;
return 1;
}
static int __devinit agp_intelmch_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct agp_bridge_data *bridge;
char *name = "(unknown)";
u8 cap_ptr = 0;
struct resource *r;
cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
bridge = agp_alloc_bridge();
if (!bridge)
return -ENOMEM;
switch (pdev->device) {
case PCI_DEVICE_ID_INTEL_82865_HB:
if (find_i830(PCI_DEVICE_ID_INTEL_82865_IG)) {
bridge->driver = &intel_830_driver;
} else {
bridge->driver = &intel_845_driver;
}
name = "865";
break;
case PCI_DEVICE_ID_INTEL_82875_HB:
bridge->driver = &intel_845_driver;
name = "i875";
break;
default:
printk(KERN_ERR PFX "Unsupported Intel chipset (device id: %04x)\n",
pdev->device);
return -ENODEV;
};
bridge->dev = pdev;
bridge->capndx = cap_ptr;
if (bridge->driver == &intel_830_driver)
bridge->dev_private_data = &intel_i830_private;
printk(KERN_INFO PFX "Detected an Intel %s Chipset.\n", name);
/*
* The following fixes the case where the BIOS has "forgotten" to
* provide an address range for the GART.
* 20030610 - hamish@zot.org
*/
r = &pdev->resource[0];
if (!r->start && r->end) {
if(pci_assign_resource(pdev, 0)) {
printk(KERN_ERR PFX "could not assign resource 0\n");
return (-ENODEV);
}
}
/*
* If the device has not been properly setup, the following will catch
* the problem and should stop the system from crashing.
* 20030610 - hamish@zot.org
*/
if (pci_enable_device(pdev)) {
printk(KERN_ERR PFX "Unable to Enable PCI device\n");
return (-ENODEV);
}
/* Fill in the mode register */
if (cap_ptr) {
pci_read_config_dword(pdev,
bridge->capndx+PCI_AGP_STATUS,
&bridge->mode);
}
pci_set_drvdata(pdev, bridge);
return agp_add_bridge(bridge);
}
static void __devexit agp_intelmch_remove(struct pci_dev *pdev)
{
struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
agp_remove_bridge(bridge);
agp_put_bridge(bridge);
}
static int agp_intelmch_suspend(struct pci_dev *dev, u32 state)
{
return 0;
}
static int agp_intelmch_resume(struct pci_dev *pdev)
{
struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
if (bridge->driver == &intel_845_driver)
intel_845_configure();
return 0;
}
static struct pci_device_id agp_intelmch_pci_table[] = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
.class_mask = ~0,
.vendor = PCI_VENDOR_ID_INTEL,
.device = PCI_ANY_ID,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
{ }
};
MODULE_DEVICE_TABLE(pci, agp_intelmch_pci_table);
static struct pci_driver agp_intelmch_pci_driver = {
.name = "agpgart-intel-mch",
.id_table = agp_intelmch_pci_table,
.probe = agp_intelmch_probe,
.remove = agp_intelmch_remove,
.suspend = agp_intelmch_suspend,
.resume = agp_intelmch_resume,
};
/* intel_agp_init() must not be declared static for explicit
early initialization to work (ie i810fb) */
int __init agp_intelmch_init(void)
{
static int agp_initialised=0;
if (agp_initialised == 1)
return 0;
agp_initialised=1;
return pci_module_init(&agp_intelmch_pci_driver);
}
static void __exit agp_intelmch_cleanup(void)
{
pci_unregister_driver(&agp_intelmch_pci_driver);
}
module_init(agp_intelmch_init);
module_exit(agp_intelmch_cleanup);
MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
MODULE_LICENSE("GPL and additional rights");
drivers/char/agp/nvidia-agp.c
View file @ 0b778621
......@@ -13,6 +13,17 @@
#include <linux/mm.h>
#include "agp.h"
/* NVIDIA registers */
#define NVIDIA_0_APSIZE 0x80
#define NVIDIA_1_WBC 0xf0
#define NVIDIA_2_GARTCTRL 0xd0
#define NVIDIA_2_APBASE 0xd8
#define NVIDIA_2_APLIMIT 0xdc
#define NVIDIA_2_ATTBASE(i) (0xe0 + (i) * 4)
#define NVIDIA_3_APBASE 0x50
#define NVIDIA_3_APLIMIT 0x54
static struct _nvidia_private {
struct pci_dev *dev_1;
struct pci_dev *dev_2;
......
drivers/char/agp/sis-agp.c
View file @ 0b778621
......@@ -8,6 +8,12 @@
#include <linux/agp_backend.h>
#include "agp.h"
#define SIS_ATTBASE 0x90
#define SIS_APSIZE 0x94
#define SIS_TLBCNTRL 0x97
#define SIS_TLBFLUSH 0x98
static int sis_fetch_size(void)
{
u8 temp_size;
......@@ -61,6 +67,42 @@ static void sis_cleanup(void)
(previous_size->size_value & ~(0x03)));
}
static void sis_648_enable(u32 mode)
{
struct pci_dev *device = NULL;
u32 command;
int rate;
printk(KERN_INFO PFX "Found an AGP %d.%d compliant device at %s.\n",
agp_bridge->major_version,
agp_bridge->minor_version,
agp_bridge->dev->slot_name);
pci_read_config_dword(agp_bridge->dev, agp_bridge->capndx + PCI_AGP_STATUS, &command);
command = agp_collect_device_status(mode, command);
command |= AGPSTAT_AGP_ENABLE;
rate = (command & 0x7) << 2;
while ((device = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, device)) != NULL) {
u8 agp = pci_find_capability(device, PCI_CAP_ID_AGP);
if (!agp)
continue;
printk(KERN_INFO PFX "Putting AGP V3 device at %s into %dx mode\n",
pci_name(device), rate);
pci_write_config_dword(device, agp + PCI_AGP_COMMAND, command);
if(device->device == PCI_DEVICE_ID_SI_648) {
// weird: on 648 and 648fx chipsets any rate change in the target command register
// triggers a 5ms screwup during which the master cannot be configured
printk(KERN_INFO PFX "sis 648 agp fix - giving bridge time to recover\n");
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout (1+(HZ*10)/1000);
}
}
}
static struct aper_size_info_8 sis_generic_sizes[7] =
{
{256, 65536, 6, 99},
......@@ -176,6 +218,26 @@ static struct agp_device_ids sis_agp_device_ids[] __devinitdata =
{ }, /* dummy final entry, always present */
};
static void __devinit sis_get_driver(struct agp_bridge_data *bridge)
{
if (bridge->dev->device == PCI_DEVICE_ID_SI_648) {
if (agp_bridge->major_version == 3 && agp_bridge->minor_version < 5) {
sis_driver.agp_enable=sis_648_enable;
} else {
sis_driver.agp_enable = sis_648_enable;
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)
{
......@@ -210,10 +272,11 @@ static int __devinit agp_sis_probe(struct pci_dev *pdev,
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);
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);
......
drivers/char/agp/sworks-agp.c
View file @ 0b778621
......@@ -8,6 +8,23 @@
#include <linux/agp_backend.h>
#include "agp.h"
#define SVWRKS_COMMAND 0x04
#define SVWRKS_APSIZE 0x10
#define SVWRKS_MMBASE 0x14
#define SVWRKS_CACHING 0x4b
#define SVWRKS_AGP_ENABLE 0x60
#define SVWRKS_FEATURE 0x68
#define SVWRKS_SIZE_MASK 0xfe000000
/* Memory mapped registers */
#define SVWRKS_GART_CACHE 0x02
#define SVWRKS_GATTBASE 0x04
#define SVWRKS_TLBFLUSH 0x10
#define SVWRKS_POSTFLUSH 0x14
#define SVWRKS_DIRFLUSH 0x0c
struct serverworks_page_map {
unsigned long *real;
unsigned long *remapped;
......@@ -454,10 +471,17 @@ static int __devinit agp_serverworks_probe(struct pci_dev *pdev,
}
switch (pdev->device) {
case 0x0006:
/* ServerWorks CNB20HE
Fail silently.*/
printk (KERN_ERR PFX "Detected ServerWorks CNB20HE chipset: No AGP present.\n");
return -ENODEV;
case PCI_DEVICE_ID_SERVERWORKS_HE:
case PCI_DEVICE_ID_SERVERWORKS_LE:
case 0x0007:
break;
default:
printk(KERN_ERR PFX "Unsupported Serverworks chipset "
"(device id: %04x)\n", pdev->device);
......
drivers/char/agp/via-agp.c
View file @ 0b778621
......@@ -9,6 +9,15 @@
#include <linux/agp_backend.h>
#include "agp.h"
#define VIA_GARTCTRL 0x80
#define VIA_APSIZE 0x84
#define VIA_ATTBASE 0x88
#define VIA_AGP3_GARTCTRL 0x90
#define VIA_AGP3_APSIZE 0x94
#define VIA_AGP3_ATTBASE 0x98
#define VIA_AGPSEL 0xfd
static int via_fetch_size(void)
{
int i;
......
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