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Commit 32f40f52 authored by Dave Jones's avatar Dave Jones
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[AGPGART] Merge ATI IGP GART driver.

parent 92d7e8ba
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drivers/char/agp/Kconfig
View file @ 32f40f52
...@@ -43,6 +43,12 @@ config AGP_ALI ...@@ -43,6 +43,12 @@ config AGP_ALI
You should say Y here if you use XFree86 3.3.6 or 4.x and want to 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. use GLX or DRI. If unsure, say N.
config AGP_ATI
tristate "ATI chipset support"
depends on AGP && X86
---help---
config AGP_AMD config AGP_AMD
tristate "AMD Irongate, 761, and 762 chipset support" tristate "AMD Irongate, 761, and 762 chipset support"
depends on AGP && X86 && !X86_64 depends on AGP && X86 && !X86_64
......
drivers/char/agp/Makefile
View file @ 32f40f52
...@@ -2,6 +2,7 @@ agpgart-y := backend.o frontend.o generic.o isoch.o ...@@ -2,6 +2,7 @@ agpgart-y := backend.o frontend.o generic.o isoch.o
obj-$(CONFIG_AGP) += agpgart.o obj-$(CONFIG_AGP) += agpgart.o
obj-$(CONFIG_AGP_ALI) += ali-agp.o obj-$(CONFIG_AGP_ALI) += ali-agp.o
obj-$(CONFIG_AGP_ATI) += ati-agp.o
obj-$(CONFIG_AGP_AMD) += amd-k7-agp.o obj-$(CONFIG_AGP_AMD) += amd-k7-agp.o
obj-$(CONFIG_AGP_AMD_8151) += amd-k8-agp.o obj-$(CONFIG_AGP_AMD_8151) += amd-k8-agp.o
obj-$(CONFIG_AGP_ALPHA_CORE) += alpha-agp.o obj-$(CONFIG_AGP_ALPHA_CORE) += alpha-agp.o
......
drivers/char/agp/agp.h
View file @ 32f40f52
...@@ -326,6 +326,46 @@ struct agp_bridge_data { ...@@ -326,6 +326,46 @@ struct agp_bridge_data {
#define ALI_CACHE_FLUSH_ADDR_MASK 0xFFFFF000 #define ALI_CACHE_FLUSH_ADDR_MASK 0xFFFFF000
#define ALI_CACHE_FLUSH_EN 0x100 #define ALI_CACHE_FLUSH_EN 0x100
#ifndef PCI_VENDOR_ID_ATI
#define PCI_VENDOR_ID_ATI 0x1002
#endif
#ifndef PCI_DEVICE_ID_ATI_RS100
#define PCI_DEVICE_ID_ATI_RS100 0xcab0
#endif
#ifndef PCI_DEVICE_ID_ATI_RS200
#define PCI_DEVICE_ID_ATI_RS200 0xcab2
#endif
#ifndef PCI_DEVICE_ID_ATI_RS250
#define PCI_DEVICE_ID_ATI_RS250 0xcab3
#endif
#ifndef PCI_DEVICE_ID_ATI_RS300_100
#define PCI_DEVICE_ID_ATI_RS300_100 0x5830
#endif
#ifndef PCI_DEVICE_ID_ATI_RS300_133
#define PCI_DEVICE_ID_ATI_RS300_133 0x5831
#endif
#ifndef PCI_DEVICE_ID_ATI_RS300_166
#define PCI_DEVICE_ID_ATI_RS300_166 0x5832
#endif
#ifndef PCI_DEVICE_ID_ATI_RS300_200
#define PCI_DEVICE_ID_ATI_RS300_200 0x5833
#endif
/* ATI register */
#define ATI_APBASE 0x10
#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 */ /* Serverworks Registers */
#define SVWRKS_APSIZE 0x10 #define SVWRKS_APSIZE 0x10
#define SVWRKS_SIZE_MASK 0xfe000000 #define SVWRKS_SIZE_MASK 0xfe000000
......
drivers/char/agp/ati-agp.c 0 → 100644
View file @ 32f40f52
/*
* ALi AGPGART routines.
*/
#include <linux/types.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 struct aper_size_info_lvl2 ati_generic_sizes[7] =
{
{2048, 524288, 0x0000000c},
{1024, 262144, 0x0000000a},
{512, 131072, 0x00000008},
{256, 65536, 0x00000006},
{128, 32768, 0x00000004},
{64, 16384, 0x00000002},
{32, 8192, 0x00000000}
};
static struct gatt_mask ati_generic_masks[] =
{
{0x00000001, 0}
};
typedef struct _ati_page_map {
unsigned long *real;
unsigned long *remapped;
} ati_page_map;
static struct _ati_generic_private {
volatile u8 *registers;
ati_page_map **gatt_pages;
int num_tables;
} ati_generic_private;
static int ati_create_page_map(ati_page_map *page_map)
{
int i, err = 0;
page_map->real = (unsigned long *) __get_free_page(GFP_KERNEL);
if (page_map->real == NULL)
return -ENOMEM;
SetPageReserved(virt_to_page(page_map->real));
/*
* fredi - WARNING: added looking at the changes during
* 2.4.20. I dont know if it's needed though.
*/
#ifdef CONFIG_X86
err = map_page_into_agp(virt_to_page(page_map->real));
#endif
/* CACHE_FLUSH(); */
global_cache_flush();
page_map->remapped = ioremap_nocache(virt_to_phys(page_map->real),
PAGE_SIZE);
if (page_map->remapped == NULL || err) {
ClearPageReserved(virt_to_page(page_map->real));
free_page((unsigned long) page_map->real);
page_map->real = NULL;
return -ENOMEM;
}
/*CACHE_FLUSH();*/
global_cache_flush();
for(i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++)
page_map->remapped[i] = agp_bridge->scratch_page;
return 0;
}
static void ati_free_page_map(ati_page_map *page_map)
{
/*
* fredi - WARNING: added looking at the changes during
* 2.4.20. I dont know if it's needed though.
*/
#ifdef CONFIG_X86
unmap_page_from_agp(virt_to_page(page_map->real));
#endif
iounmap(page_map->remapped);
ClearPageReserved(virt_to_page(page_map->real));
free_page((unsigned long) page_map->real);
}
static void ati_free_gatt_pages(void)
{
int i;
ati_page_map **tables;
ati_page_map *entry;
tables = ati_generic_private.gatt_pages;
for(i = 0; i < ati_generic_private.num_tables; i++) {
entry = tables[i];
if (entry != NULL) {
if (entry->real != NULL)
ati_free_page_map(entry);
kfree(entry);
}
}
kfree(tables);
}
static int ati_create_gatt_pages(int nr_tables)
{
ati_page_map **tables;
ati_page_map *entry;
int retval = 0;
int i;
tables = kmalloc((nr_tables + 1) * sizeof(ati_page_map *),
GFP_KERNEL);
if (tables == NULL)
return -ENOMEM;
memset(tables, 0, sizeof(ati_page_map *) * (nr_tables + 1));
for (i = 0; i < nr_tables; i++) {
entry = kmalloc(sizeof(ati_page_map), GFP_KERNEL);
if (entry == NULL) {
retval = -ENOMEM;
break;
}
memset(entry, 0, sizeof(ati_page_map));
tables[i] = entry;
retval = ati_create_page_map(entry);
if (retval != 0) break;
}
ati_generic_private.num_tables = nr_tables;
ati_generic_private.gatt_pages = tables;
if (retval != 0) ati_free_gatt_pages();
return retval;
}
static int ati_fetch_size(void)
{
int i;
u32 temp;
struct aper_size_info_lvl2 *values;
if ((agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS100) ||
(agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS200) ||
(agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS250)) {
pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp);
} else {
pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp);
}
temp = (temp & 0x0000000e);
values = A_SIZE_LVL2(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 ati_tlbflush(struct agp_memory * mem)
{
OUTREG32(ati_generic_private.registers, ATI_GART_CACHE_CNTRL, 1);
}
static void ati_cleanup(void)
{
struct aper_size_info_lvl2 *previous_size;
u32 temp;
previous_size = A_SIZE_LVL2(agp_bridge->previous_size);
/* Write back the previous size and disable gart translation */
if ((agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS100) ||
(agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS200) ||
(agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS250)) {
pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp);
temp = ((temp & ~(0x0000000f)) | previous_size->size_value);
pci_write_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, temp);
} else {
pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp);
temp = ((temp & ~(0x0000000f)) | previous_size->size_value);
pci_write_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, temp);
}
iounmap((void *) ati_generic_private.registers);
}
static int ati_configure(void)
{
u32 temp;
/* Get the memory mapped registers */
pci_read_config_dword(agp_bridge->dev, ATI_GART_MMBASE_ADDR, &temp);
temp = (temp & 0xfffff000);
ati_generic_private.registers = (volatile u8 *) ioremap(temp, 4096);
if ((agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS100) ||
(agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS200) ||
(agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS250)) {
pci_write_config_dword(agp_bridge->dev, ATI_RS100_IG_AGPMODE, 0x20000);
} else {
pci_write_config_dword(agp_bridge->dev, ATI_RS300_IG_AGPMODE, 0x20000);
}
/* address to map too */
/*
pci_read_config_dword(agp_bridge.dev, ATI_APBASE, &temp);
agp_bridge.gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
printk(KERN_INFO "IGP320 gart_bus_addr: %x\n", agp_bridge.gart_bus_addr);
*/
OUTREG32(ati_generic_private.registers, ATI_GART_FEATURE_ID, 0x60000);
/* SIGNALED_SYSTEM_ERROR @ NB_STATUS */
pci_read_config_dword(agp_bridge->dev, 4, &temp);
pci_write_config_dword(agp_bridge->dev, 4, temp | (1<<14));
/* Write out the address of the gatt table */
OUTREG32(ati_generic_private.registers, ATI_GART_BASE,
agp_bridge->gatt_bus_addr);
/* Flush the tlb */
OUTREG32(ati_generic_private.registers, ATI_GART_CACHE_CNTRL, 1);
return 0;
}
static unsigned long ati_mask_memory(unsigned long addr, int type)
{
/* Memory type is ignored */
return addr | agp_bridge->driver->masks[0].mask;
}
/*
*Since we don't need contigious memory we just try
* to get the gatt table once
*/
#define GET_PAGE_DIR_OFF(addr) (addr >> 22)
#define GET_PAGE_DIR_IDX(addr) (GET_PAGE_DIR_OFF(addr) - \
GET_PAGE_DIR_OFF(agp_bridge->gart_bus_addr))
#define GET_GATT_OFF(addr) ((addr & 0x003ff000) >> 12)
#undef GET_GATT(addr)
#define GET_GATT(addr) (ati_generic_private.gatt_pages[\
GET_PAGE_DIR_IDX(addr)]->remapped)
static int ati_insert_memory(struct agp_memory * mem,
off_t pg_start, int type)
{
int i, j, num_entries;
unsigned long *cur_gatt;
unsigned long addr;
num_entries = A_SIZE_LVL2(agp_bridge->current_size)->num_entries;
if (type != 0 || mem->type != 0)
return -EINVAL;
if ((pg_start + mem->page_count) > num_entries)
return -EINVAL;
j = pg_start;
while (j < (pg_start + mem->page_count)) {
addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr;
cur_gatt = GET_GATT(addr);
if (!PGE_EMPTY(agp_bridge,cur_gatt[GET_GATT_OFF(addr)]))
return -EBUSY;
j++;
}
if (mem->is_flushed == FALSE) {
/*CACHE_FLUSH(); */
global_cache_flush();
mem->is_flushed = TRUE;
}
for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
addr = (j * PAGE_SIZE) + agp_bridge->gart_bus_addr;
cur_gatt = GET_GATT(addr);
cur_gatt[GET_GATT_OFF(addr)] =
agp_bridge->driver->mask_memory(mem->memory[i], mem->type);
}
agp_bridge->driver->tlb_flush(mem);
return 0;
}
static int ati_remove_memory(struct agp_memory * mem, off_t pg_start,
int type)
{
int i;
unsigned long *cur_gatt;
unsigned long addr;
if (type != 0 || mem->type != 0) {
return -EINVAL;
}
for (i = pg_start; i < (mem->page_count + pg_start); i++) {
addr = (i * PAGE_SIZE) + agp_bridge->gart_bus_addr;
cur_gatt = GET_GATT(addr);
cur_gatt[GET_GATT_OFF(addr)] =
(unsigned long) agp_bridge->scratch_page;
}
agp_bridge->driver->tlb_flush(mem);
return 0;
}
static int ati_create_gatt_table(void)
{
struct aper_size_info_lvl2 *value;
ati_page_map page_dir;
unsigned long addr;
int retval;
u32 temp;
int i;
struct aper_size_info_lvl2 *current_size;
value = A_SIZE_LVL2(agp_bridge->current_size);
retval = ati_create_page_map(&page_dir);
if (retval != 0)
return retval;
retval = ati_create_gatt_pages(value->num_entries / 1024);
if (retval != 0) {
ati_free_page_map(&page_dir);
return retval;
}
agp_bridge->gatt_table_real = (u32 *)page_dir.real;
agp_bridge->gatt_table = (u32 *)page_dir.remapped;
agp_bridge->gatt_bus_addr = virt_to_bus(page_dir.real);
/* Write out the size register */
current_size = A_SIZE_LVL2(agp_bridge->current_size);
if ((agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS100) ||
(agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS200) ||
(agp_bridge->dev->device == PCI_DEVICE_ID_ATI_RS250)) {
pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp);
temp = (((temp & ~(0x0000000e)) | current_size->size_value)
| 0x00000001);
pci_write_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, temp);
pci_read_config_dword(agp_bridge->dev, ATI_RS100_APSIZE, &temp);
} else {
pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp);
temp = (((temp & ~(0x0000000e)) | current_size->size_value)
| 0x00000001);
pci_write_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, temp);
pci_read_config_dword(agp_bridge->dev, ATI_RS300_APSIZE, &temp);
}
/*
* Get the address for the gart region.
* This is a bus address even on the alpha, b/c its
* used to program the agp master not the cpu
*/
pci_read_config_dword(agp_bridge->dev, ATI_APBASE, &temp);
addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
agp_bridge->gart_bus_addr = addr;
/* Calculate the agp offset */
for(i = 0; i < value->num_entries / 1024; i++, addr += 0x00400000) {
page_dir.remapped[GET_PAGE_DIR_OFF(addr)] =
virt_to_bus(ati_generic_private.gatt_pages[i]->real);
page_dir.remapped[GET_PAGE_DIR_OFF(addr)] |= 0x00000001;
}
return 0;
}
static int ati_free_gatt_table(void)
{
ati_page_map page_dir;
page_dir.real = (unsigned long *)agp_bridge->gatt_table_real;
page_dir.remapped = (unsigned long *)agp_bridge->gatt_table;
ati_free_gatt_pages();
ati_free_page_map(&page_dir);
return 0;
}
struct agp_bridge_driver ati_generic_bridge = {
.owner = THIS_MODULE,
.aperture_sizes = ati_generic_sizes,
.size_type = LVL2_APER_SIZE,
.num_aperture_sizes = 7,
.configure = ati_configure,
.fetch_size = ati_fetch_size,
.cleanup = ati_cleanup,
.tlb_flush = ati_tlbflush,
.mask_memory = ati_mask_memory,
.masks = ati_generic_masks,
.agp_enable = agp_generic_enable,
.cache_flush = global_cache_flush,
.create_gatt_table = ati_create_gatt_table,
.free_gatt_table = ati_free_gatt_table,
.insert_memory = ati_insert_memory,
.remove_memory = ati_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,
};
struct agp_device_ids ali_agp_device_ids[] __initdata =
{
{
.device_id = PCI_DEVICE_ID_ATI_RS100,
.chipset_name = "IGP320/M",
},
{
.device_id = PCI_DEVICE_ID_ATI_RS200,
.chipset_name = "IGP330/340/345/350/M",
},
{
.device_id = PCI_DEVICE_ID_ATI_RS250,
.chipset_name = "IGP7000/M",
},
{
.device_id = PCI_DEVICE_ID_ATI_RS300_100,
.chipset_name = "IGP9100/M",
},
{
.device_id = PCI_DEVICE_ID_ATI_RS300_133,
.chipset_name = "IGP9100/M",
},
{
.device_id = PCI_DEVICE_ID_ATI_RS300_166,
.chipset_name = "IGP9100/M",
},
{
.device_id = PCI_DEVICE_ID_ATI_RS300_200,
.chipset_name = "IGP9100/M",
},
{ }, /* dummy final entry, always present */
};
static int __init agp_ati_probe(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct agp_device_ids *devs = ali_agp_device_ids;
struct agp_bridge_data *bridge;
u8 hidden_1621_id, cap_ptr;
int j;
cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
if (!cap_ptr)
return -ENODEV;
/* probe for known chipsets */
for (j = 0; devs[j].chipset_name; j++) {
if (pdev->device == devs[j].device_id)
goto found;
}
if (!agp_try_unsupported) {
printk(KERN_ERR PFX
"Unsupported Ati chipset (device id: %04x),"
" you might want to try agp_try_unsupported=1.\n",
pdev->device);
return -ENODEV;
}
printk(KERN_WARNING PFX "Trying generic Ati routines"
" for device id: %04x\n", pdev->device);
found:
bridge = agp_alloc_bridge();
if (!bridge)
return -ENOMEM;
bridge->dev = pdev;
bridge->capndx = cap_ptr;
bridge->driver = &ati_generic_bridge;
printk(KERN_INFO PFX "Detected Ati %s chipset\n",
devs[j].chipset_name);
/* Fill in the mode register */
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_ati_remove(struct pci_dev *pdev)
{
struct agp_bridge_data *bridge = pci_get_drvdata(pdev);
agp_remove_bridge(bridge);
agp_put_bridge(bridge);
}
static struct pci_device_id agp_ati_pci_table[] __initdata = {
{
.class = (PCI_CLASS_BRIDGE_HOST << 8),
.class_mask = ~0,
.vendor = PCI_VENDOR_ID_ATI,
.device = PCI_ANY_ID,
.subvendor = PCI_ANY_ID,
.subdevice = PCI_ANY_ID,
},
{ }
};
MODULE_DEVICE_TABLE(pci, agp_ati_pci_table);
static struct pci_driver agp_ati_pci_driver = {
.name = "agpgart-ati",
.id_table = agp_ati_pci_table,
.probe = agp_ati_probe,
.remove = agp_ati_remove,
};
static int __init agp_ati_init(void)
{
return pci_module_init(&agp_ati_pci_driver);
}
static void __exit agp_ati_cleanup(void)
{
pci_unregister_driver(&agp_ati_pci_driver);
}
module_init(agp_ati_init);
module_exit(agp_ati_cleanup);
MODULE_PARM(agp_try_unsupported, "1i");
MODULE_AUTHOR("Dave Jones <davej@codemonkey.org.uk>");
MODULE_LICENSE("GPL and additional rights");
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