Commit ae98526a 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 9e535055 60a9609c
...@@ -350,7 +350,7 @@ static int __init agp_ali_probe (struct pci_dev *dev, const struct pci_device_id ...@@ -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.dev = dev;
agp_bridge.capndx = cap_ptr; agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */ /* 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); agp_register_driver(dev);
return 0; return 0;
} }
......
...@@ -6,6 +6,9 @@ ...@@ -6,6 +6,9 @@
#include <linux/pci.h> #include <linux/pci.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/agp_backend.h> #include <linux/agp_backend.h>
#include <linux/gfp.h>
#include <linux/page-flags.h>
#include <linux/mm.h>
#include "agp.h" #include "agp.h"
static int agp_try_unsupported __initdata = 0; 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_ ...@@ -451,7 +454,7 @@ static int __init agp_amdk7_probe (struct pci_dev *dev, const struct pci_device_
agp_bridge.dev = dev; agp_bridge.dev = dev;
agp_bridge.capndx = cap_ptr; agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */ /* 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); agp_register_driver(dev);
return 0; return 0;
} }
......
...@@ -336,7 +336,6 @@ static void agp_x86_64_agp_enable(u32 mode) ...@@ -336,7 +336,6 @@ static void agp_x86_64_agp_enable(u32 mode)
struct pci_dev *device = NULL; struct pci_dev *device = NULL;
u32 command, scratch; u32 command, scratch;
u8 cap_ptr; u8 cap_ptr;
u8 agp_v3;
u8 v3_devs=0; u8 v3_devs=0;
/* FIXME: If 'mode' is x1/x2/x4 should we call the AGPv2 routines directly ? /* 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) ...@@ -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); pci_read_config_dword(agp_bridge.dev, agp_bridge.capndx+PCI_AGP_STATUS, &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 */
command = agp_collect_device_status(mode, command);
command |= 0x100; 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);
/* agp_device_command(command, 1);
* 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);
}
} }
...@@ -485,7 +421,7 @@ static int __init agp_amdk8_probe (struct pci_dev *dev, const struct pci_device_ ...@@ -485,7 +421,7 @@ static int __init agp_amdk8_probe (struct pci_dev *dev, const struct pci_device_
agp_bridge.capndx = cap_ptr; agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */ /* 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); amd_8151_setup(dev);
agp_register_driver(dev); agp_register_driver(dev);
return 0; return 0;
......
...@@ -34,6 +34,8 @@ ...@@ -34,6 +34,8 @@
#include <linux/miscdevice.h> #include <linux/miscdevice.h>
#include <linux/pm.h> #include <linux/pm.h>
#include <linux/agp_backend.h> #include <linux/agp_backend.h>
#include <linux/vmalloc.h>
#include <asm/io.h>
#include "agp.h" #include "agp.h"
/* Due to XFree86 brain-damage, we can't go to 1.0 until they /* Due to XFree86 brain-damage, we can't go to 1.0 until they
......
...@@ -34,8 +34,10 @@ ...@@ -34,8 +34,10 @@
#include <linux/miscdevice.h> #include <linux/miscdevice.h>
#include <linux/agp_backend.h> #include <linux/agp_backend.h>
#include <linux/agpgart.h> #include <linux/agpgart.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <asm/uaccess.h> #include <asm/uaccess.h>
#include <asm/pgtable.h>
#include "agp.h" #include "agp.h"
static struct agp_front_data agp_fe; static struct agp_front_data agp_fe;
......
...@@ -313,95 +313,108 @@ int agp_unbind_memory(agp_memory * curr) ...@@ -313,95 +313,108 @@ int agp_unbind_memory(agp_memory * curr)
/* Generic Agp routines - Start */ /* 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);
/* u32 agp_collect_device_status(u32 mode, u32 command)
* PASS1: go through all devices that claim to be {
* AGP devices and collect their data. struct pci_dev *device;
*/ u8 agp;
u32 scratch;
pci_for_each_dev(device) { pci_for_each_dev(device) {
cap_ptr = pci_find_capability(device, PCI_CAP_ID_AGP); agp = pci_find_capability(device, PCI_CAP_ID_AGP);
if (cap_ptr != 0x00) { if (!agp)
/* continue;
* Ok, here we have a AGP device. Disable impossible
* settings, and adjust the readqueue to the minimum. /*
*/ * 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) | /* adjust RQ depth */
min_t(u32, (mode & 0xff000000), command = ((command & ~0xff000000) |
min_t(u32, (command & 0xff000000), min_t(u32, (mode & 0xff000000),
(scratch & 0xff000000)))); min_t(u32, (command & 0xff000000),
(scratch & 0xff000000))));
/* disable SBA if it's not supported */
if (!((command & 0x00000200) && /* disable SBA if it's not supported */
(scratch & 0x00000200) && if (!((command & 0x00000200) &&
(mode & 0x00000200))) (scratch & 0x00000200) &&
command &= ~0x00000200; (mode & 0x00000200)))
command &= ~0x00000200;
/* disable FW if it's not supported */
if (!((command & 0x00000010) && /* disable FW if it's not supported */
(scratch & 0x00000010) && if (!((command & 0x00000010) &&
(mode & 0x00000010))) (scratch & 0x00000010) &&
command &= ~0x00000010; (mode & 0x00000010)))
command &= ~0x00000010;
if (!((command & 4) &&
(scratch & 4) && if (!((command & 4) &&
(mode & 4))) (scratch & 4) &&
command &= ~0x00000004; (mode & 4)))
command &= ~0x00000004;
if (!((command & 2) &&
(scratch & 2) && if (!((command & 2) &&
(mode & 2))) (scratch & 2) &&
command &= ~0x00000002; (mode & 2)))
command &= ~0x00000002;
if (!((command & 1) &&
(scratch & 1) && if (!((command & 1) &&
(mode & 1))) (scratch & 1) &&
command &= ~0x00000001; (mode & 1)))
} command &= ~0x00000001;
} }
/*
* PASS2: Figure out the 4X/2X/1X setting and enable the
* target (our motherboard chipset).
*/
if (command & 4) if (command & 4)
command &= ~3; /* 4X */ command &= ~3; /* 4X */
if (command & 2) if (command & 2)
command &= ~5; /* 2X */ command &= ~5; /* 2X (8X for AGP3.0) */
if (command & 1) if (command & 1)
command &= ~6; /* 1X */ command &= ~6; /* 1X (4X for AGP3.0) */
command |= 0x00000100; return command;
}
pci_write_config_dword(agp_bridge.dev, void agp_device_command(u32 command, int agp_v3)
agp_bridge.capndx + 8, {
command); struct pci_dev *device;
int mode;
/* mode = command & 0x7;
* PASS3: Go throu all AGP devices and update the if (agp_v3)
* command registers. mode *= 4;
*/
pci_for_each_dev(device) { pci_for_each_dev(device) {
cap_ptr = pci_find_capability(device, PCI_CAP_ID_AGP); u8 agp = pci_find_capability(device, PCI_CAP_ID_AGP);
if (cap_ptr != 0x00) if (!agp)
pci_write_config_dword(device, cap_ptr + 8, command); 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) int agp_generic_create_gatt_table(void)
{ {
char *table; char *table;
......
...@@ -177,7 +177,7 @@ static int __init agp_i7x05_probe (struct pci_dev *dev, const struct pci_device_ ...@@ -177,7 +177,7 @@ static int __init agp_i7x05_probe (struct pci_dev *dev, const struct pci_device_
agp_bridge.dev = dev; agp_bridge.dev = dev;
agp_bridge.capndx = cap_ptr; agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */ /* 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); agp_register_driver(dev);
return 0; return 0;
} }
......
...@@ -1423,7 +1423,7 @@ static int __init agp_find_supported_device(struct pci_dev *dev) ...@@ -1423,7 +1423,7 @@ static int __init agp_find_supported_device(struct pci_dev *dev)
agp_bridge.capndx = cap_ptr; agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */ /* 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 */ /* probe for known chipsets */
return agp_lookup_host_bridge(dev); 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 ...@@ -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.dev = dev;
agp_bridge.capndx = cap_ptr; agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */ /* 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); agp_register_driver(dev);
return 0; return 0;
} }
......
...@@ -229,7 +229,6 @@ static int serverworks_configure(void) ...@@ -229,7 +229,6 @@ static int serverworks_configure(void)
struct aper_size_info_lvl2 *current_size; struct aper_size_info_lvl2 *current_size;
u32 temp; u32 temp;
u8 enable_reg; u8 enable_reg;
u8 cap_ptr;
u32 cap_id; u32 cap_id;
u16 cap_reg; u16 cap_reg;
...@@ -257,22 +256,11 @@ static int serverworks_configure(void) ...@@ -257,22 +256,11 @@ static int serverworks_configure(void)
SVWRKS_AGP_ENABLE, enable_reg); SVWRKS_AGP_ENABLE, enable_reg);
agp_bridge.tlb_flush(NULL); agp_bridge.tlb_flush(NULL);
pci_read_config_byte(serverworks_private.svrwrks_dev, 0x34, &cap_ptr); agp_bridge.capndx = pci_find_capability(serverworks_private.svrwrks_dev, PCI_CAP_ID_AGP);
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;
/* Fill in the mode register */ /* Fill in the mode register */
pci_read_config_dword(serverworks_private.svrwrks_dev, 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); pci_read_config_byte(agp_bridge.dev, SVWRKS_CACHING, &enable_reg);
enable_reg &= ~0x3; enable_reg &= ~0x3;
...@@ -413,104 +401,24 @@ static struct aper_size_info_lvl2 serverworks_sizes[7] = ...@@ -413,104 +401,24 @@ static struct aper_size_info_lvl2 serverworks_sizes[7] =
static void serverworks_agp_enable(u32 mode) static void serverworks_agp_enable(u32 mode)
{ {
struct pci_dev *device = NULL; u32 command;
u32 command, scratch, cap_id;
u8 cap_ptr;
pci_read_config_dword(serverworks_private.svrwrks_dev, pci_read_config_dword(serverworks_private.svrwrks_dev,
agp_bridge.capndx + 4, agp_bridge.capndx + PCI_AGP_STATUS,
&command); &command);
/* command = agp_collect_device_status(mode, command);
* PASS1: go throu all devices that claim to be
* AGP devices and collect their data.
*/
command &= ~0x10; /* disable FW */
command &= ~0x08;
pci_for_each_dev(device) { command |= 0x100;
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;
/* disable FW */
command &= ~0x00000010;
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;
pci_write_config_dword(serverworks_private.svrwrks_dev, pci_write_config_dword(serverworks_private.svrwrks_dev,
agp_bridge.capndx + 8, agp_bridge.capndx + PCI_AGP_COMMAND,
command); command);
/* agp_device_command(command, 0);
* 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);
}
} }
static int __init serverworks_setup (struct pci_dev *pdev) 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 ...@@ -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.dev = dev;
agp_bridge.capndx = cap_ptr; agp_bridge.capndx = cap_ptr;
/* Fill in the mode register */ /* 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); agp_register_driver(dev);
return 0; return 0;
} }
......
...@@ -147,7 +147,7 @@ static int __init agp_via_probe (struct pci_dev *dev, const struct pci_device_id ...@@ -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; agp_bridge.cant_use_aperture = 0;
/* Fill in the mode register */ /* 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); agp_register_driver(dev);
return 0; return 0;
......
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