Commit 11061ebf authored by Dave Jones's avatar Dave Jones

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

into tetrachloride.(none):/mnt/stuff/kernel/2.5/agpgart
parents e29d5f5c 3248a112
......@@ -350,7 +350,7 @@ static int __init agp_ali_probe (struct pci_dev *dev, const struct pci_device_id
agp_bridge.dev = dev;
agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+4, &agp_bridge.mode);
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+PCI_AGP_STATUS, &agp_bridge.mode);
agp_register_driver(dev);
return 0;
}
......
......@@ -6,6 +6,9 @@
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/agp_backend.h>
#include <linux/gfp.h>
#include <linux/page-flags.h>
#include <linux/mm.h>
#include "agp.h"
static int agp_try_unsupported __initdata = 0;
......@@ -451,7 +454,7 @@ static int __init agp_amdk7_probe (struct pci_dev *dev, const struct pci_device_
agp_bridge.dev = dev;
agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+4, &agp_bridge.mode);
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+PCI_AGP_STATUS, &agp_bridge.mode);
agp_register_driver(dev);
return 0;
}
......
......@@ -336,7 +336,6 @@ static void agp_x86_64_agp_enable(u32 mode)
struct pci_dev *device = NULL;
u32 command, scratch;
u8 cap_ptr;
u8 agp_v3;
u8 v3_devs=0;
/* FIXME: If 'mode' is x1/x2/x4 should we call the AGPv2 routines directly ?
......@@ -369,77 +368,14 @@ static void agp_x86_64_agp_enable(u32 mode)
}
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+4, &command);
/*
* PASS2: go through all devices that claim to be
* AGP devices and collect their data.
*/
pci_for_each_dev(device) {
cap_ptr = pci_find_capability(device, PCI_CAP_ID_AGP);
if (cap_ptr != 0x00) {
/*
* Ok, here we have a AGP device. Disable impossible
* settings, and adjust the readqueue to the minimum.
*/
printk (KERN_INFO "AGP: Setting up AGPv3 capable device at %d:%d:%d\n",
device->bus->number, PCI_FUNC(device->devfn), PCI_SLOT(device->devfn));
pci_read_config_dword(device, cap_ptr + 4, &scratch);
agp_v3 = (scratch & (1<<3) ) >>3;
/* adjust RQ depth */
command =
((command & ~0xff000000) |
min_t(u32, (mode & 0xff000000),
min_t(u32, (command & 0xff000000),
(scratch & 0xff000000))));
/* disable SBA if it's not supported */
if (!((command & 0x200) && (scratch & 0x200) && (mode & 0x200)))
command &= ~0x200;
/* disable FW if it's not supported */
if (!((command & 0x10) && (scratch & 0x10) && (mode & 0x10)))
command &= ~0x10;
if (!((command & 2) && (scratch & 2) && (mode & 2))) {
command &= ~2; /* 8x */
printk (KERN_INFO "AGP: Putting device into 8x mode\n");
}
if (!((command & 1) && (scratch & 1) && (mode & 1))) {
command &= ~1; /* 4x */
printk (KERN_INFO "AGP: Putting device into 4x mode\n");
}
}
}
/*
* PASS3: Figure out the 8X/4X setting and enable the
* target (our motherboard chipset).
*/
if (command & 2)
command &= ~5; /* 8X */
if (command & 1)
command &= ~6; /* 4X */
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+PCI_AGP_STATUS, &command);
command = agp_collect_device_status(mode, command);
command |= 0x100;
pci_write_config_dword(agp_bridge.dev, agp_bridge.capndx+8, command);
pci_write_config_dword(agp_bridge.dev, agp_bridge.capndx+PCI_AGP_COMMAND, command);
/*
* PASS4: Go through all AGP devices and update the
* command registers.
*/
pci_for_each_dev(device) {
cap_ptr = pci_find_capability(device, PCI_CAP_ID_AGP);
if (cap_ptr != 0x00)
pci_write_config_dword(device, cap_ptr + 8, command);
}
agp_device_command(command, 1);
}
......@@ -485,7 +421,7 @@ static int __init agp_amdk8_probe (struct pci_dev *dev, const struct pci_device_
agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+4, &agp_bridge.mode);
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+PCI_AGP_STATUS, &agp_bridge.mode);
amd_8151_setup(dev);
agp_register_driver(dev);
return 0;
......
......@@ -34,6 +34,8 @@
#include <linux/miscdevice.h>
#include <linux/pm.h>
#include <linux/agp_backend.h>
#include <linux/vmalloc.h>
#include <asm/io.h>
#include "agp.h"
/* Due to XFree86 brain-damage, we can't go to 1.0 until they
......
......@@ -34,8 +34,10 @@
#include <linux/miscdevice.h>
#include <linux/agp_backend.h>
#include <linux/agpgart.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
#include "agp.h"
static struct agp_front_data agp_fe;
......
......@@ -313,28 +313,23 @@ int agp_unbind_memory(agp_memory * curr)
/* Generic Agp routines - Start */
void agp_generic_agp_enable(u32 mode)
{
struct pci_dev *device = NULL;
u32 command, scratch;
u8 cap_ptr;
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx + 4, &command);
/*
* PASS1: go through all devices that claim to be
* AGP devices and collect their data.
*/
u32 agp_collect_device_status(u32 mode, u32 command)
{
struct pci_dev *device;
u8 agp;
u32 scratch;
pci_for_each_dev(device) {
cap_ptr = pci_find_capability(device, PCI_CAP_ID_AGP);
if (cap_ptr != 0x00) {
agp = pci_find_capability(device, PCI_CAP_ID_AGP);
if (!agp)
continue;
/*
* Ok, here we have a AGP device. Disable impossible
* settings, and adjust the readqueue to the minimum.
*/
pci_read_config_dword(device, cap_ptr + 4, &scratch);
pci_read_config_dword(device, agp + PCI_AGP_STATUS, &scratch);
/* adjust RQ depth */
command = ((command & ~0xff000000) |
......@@ -369,39 +364,57 @@ void agp_generic_agp_enable(u32 mode)
(mode & 1)))
command &= ~0x00000001;
}
}
/*
* PASS2: Figure out the 4X/2X/1X setting and enable the
* target (our motherboard chipset).
*/
if (command & 4)
command &= ~3; /* 4X */
if (command & 2)
command &= ~5; /* 2X */
command &= ~5; /* 2X (8X for AGP3.0) */
if (command & 1)
command &= ~6; /* 1X */
command &= ~6; /* 1X (4X for AGP3.0) */
command |= 0x00000100;
return command;
}
pci_write_config_dword(agp_bridge.dev,
agp_bridge.capndx + 8,
command);
void agp_device_command(u32 command, int agp_v3)
{
struct pci_dev *device;
int mode;
/*
* PASS3: Go throu all AGP devices and update the
* command registers.
*/
mode = command & 0x7;
if (agp_v3)
mode *= 4;
pci_for_each_dev(device) {
cap_ptr = pci_find_capability(device, PCI_CAP_ID_AGP);
if (cap_ptr != 0x00)
pci_write_config_dword(device, cap_ptr + 8, command);
u8 agp = pci_find_capability(device, PCI_CAP_ID_AGP);
if (!agp)
continue;
printk(KERN_INFO PFX "Putting AGP V%d device at %s into %dx mode\n",
agp_v3 ? 3 : 2, device->slot_name, mode);
pci_write_config_dword(device, agp + PCI_AGP_COMMAND, command);
}
}
void agp_generic_agp_enable(u32 mode)
{
u32 command;
pci_read_config_dword(agp_bridge.dev,
agp_bridge.capndx + PCI_AGP_STATUS,
&command);
command = agp_collect_device_status(mode, command);
command |= 0x100;
pci_write_config_dword(agp_bridge.dev,
agp_bridge.capndx + PCI_AGP_COMMAND,
command);
agp_device_command(command, 0);
}
int agp_generic_create_gatt_table(void)
{
char *table;
......
......@@ -177,7 +177,7 @@ static int __init agp_i7x05_probe (struct pci_dev *dev, const struct pci_device_
agp_bridge.dev = dev;
agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+4, &agp_bridge.mode)
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+PCI_AGP_STATUS, &agp_bridge.mode)
agp_register_driver(dev);
return 0;
}
......
......@@ -1423,7 +1423,7 @@ static int __init agp_find_supported_device(struct pci_dev *dev)
agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+4, &agp_bridge.mode);
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+PCI_AGP_STATUS, &agp_bridge.mode);
/* probe for known chipsets */
return agp_lookup_host_bridge(dev);
......
......@@ -235,7 +235,7 @@ static int __init agp_sis_probe (struct pci_dev *dev, const struct pci_device_id
agp_bridge.dev = dev;
agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+4, &agp_bridge.mode);
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+PCI_AGP_STATUS, &agp_bridge.mode);
agp_register_driver(dev);
return 0;
}
......
......@@ -229,7 +229,6 @@ static int serverworks_configure(void)
struct aper_size_info_lvl2 *current_size;
u32 temp;
u8 enable_reg;
u8 cap_ptr;
u32 cap_id;
u16 cap_reg;
......@@ -257,22 +256,11 @@ static int serverworks_configure(void)
SVWRKS_AGP_ENABLE, enable_reg);
agp_bridge.tlb_flush(NULL);
pci_read_config_byte(serverworks_private.svrwrks_dev, 0x34, &cap_ptr);
if (cap_ptr != 0) {
do {
pci_read_config_dword(serverworks_private.svrwrks_dev,
cap_ptr, &cap_id);
if ((cap_id & 0xff) != 0x02)
cap_ptr = (cap_id >> 8) & 0xff;
}
while (((cap_id & 0xff) != 0x02) && (cap_ptr != 0));
}
agp_bridge.capndx = cap_ptr;
agp_bridge.capndx = pci_find_capability(serverworks_private.svrwrks_dev, PCI_CAP_ID_AGP);
/* Fill in the mode register */
pci_read_config_dword(serverworks_private.svrwrks_dev,
agp_bridge.capndx+4, &agp_bridge.mode);
agp_bridge.capndx+PCI_AGP_STATUS, &agp_bridge.mode);
pci_read_config_byte(agp_bridge.dev, SVWRKS_CACHING, &enable_reg);
enable_reg &= ~0x3;
......@@ -413,104 +401,24 @@ static struct aper_size_info_lvl2 serverworks_sizes[7] =
static void serverworks_agp_enable(u32 mode)
{
struct pci_dev *device = NULL;
u32 command, scratch, cap_id;
u8 cap_ptr;
u32 command;
pci_read_config_dword(serverworks_private.svrwrks_dev,
agp_bridge.capndx + 4,
agp_bridge.capndx + PCI_AGP_STATUS,
&command);
/*
* PASS1: go throu all devices that claim to be
* AGP devices and collect their data.
*/
pci_for_each_dev(device) {
cap_ptr = pci_find_capability(device, PCI_CAP_ID_AGP);
if (cap_ptr != 0x00) {
do {
pci_read_config_dword(device,
cap_ptr, &cap_id);
if ((cap_id & 0xff) != 0x02)
cap_ptr = (cap_id >> 8) & 0xff;
}
while (((cap_id & 0xff) != 0x02) && (cap_ptr != 0x00));
}
if (cap_ptr != 0x00) {
/*
* Ok, here we have a AGP device. Disable impossible
* settings, and adjust the readqueue to the minimum.
*/
pci_read_config_dword(device, cap_ptr + 4, &scratch);
/* adjust RQ depth */
command =
((command & ~0xff000000) |
min_t(u32, (mode & 0xff000000),
min_t(u32, (command & 0xff000000),
(scratch & 0xff000000))));
/* disable SBA if it's not supported */
if (!((command & 0x00000200) &&
(scratch & 0x00000200) &&
(mode & 0x00000200)))
command &= ~0x00000200;
command = agp_collect_device_status(mode, command);
/* disable FW */
command &= ~0x00000010;
command &= ~0x10; /* disable FW */
command &= ~0x08;
command &= ~0x00000008;
if (!((command & 4) &&
(scratch & 4) &&
(mode & 4)))
command &= ~0x00000004;
if (!((command & 2) &&
(scratch & 2) &&
(mode & 2)))
command &= ~0x00000002;
if (!((command & 1) &&
(scratch & 1) &&
(mode & 1)))
command &= ~0x00000001;
}
}
/*
* PASS2: Figure out the 4X/2X/1X setting and enable the
* target (our motherboard chipset).
*/
if (command & 4) {
command &= ~3; /* 4X */
}
if (command & 2) {
command &= ~5; /* 2X */
}
if (command & 1) {
command &= ~6; /* 1X */
}
command |= 0x00000100;
command |= 0x100;
pci_write_config_dword(serverworks_private.svrwrks_dev,
agp_bridge.capndx + 8,
agp_bridge.capndx + PCI_AGP_COMMAND,
command);
/*
* PASS3: Go throu all AGP devices and update the
* command registers.
*/
pci_for_each_dev(device) {
cap_ptr = pci_find_capability(device, PCI_CAP_ID_AGP);
if (cap_ptr != 0x00)
pci_write_config_dword(device, cap_ptr + 8, command);
}
agp_device_command(command, 0);
}
static int __init serverworks_setup (struct pci_dev *pdev)
......
......@@ -258,7 +258,7 @@ static int __init agp_via_probe (struct pci_dev *dev, const struct pci_device_id
agp_bridge.dev = dev;
agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+4, &agp_bridge.mode);
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+PCI_AGP_STATUS, &agp_bridge.mode);
agp_register_driver(dev);
return 0;
}
......
......@@ -147,7 +147,7 @@ static int __init agp_via_probe (struct pci_dev *dev, const struct pci_device_id
agp_bridge.cant_use_aperture = 0;
/* Fill in the mode register */
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+4, &agp_bridge.mode);
pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+PCI_AGP_STATUS, &agp_bridge.mode);
agp_register_driver(dev);
return 0;
......
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