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path: root/drivers/char/agp/i460-agp.c
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Diffstat (limited to 'drivers/char/agp/i460-agp.c')
-rw-r--r--drivers/char/agp/i460-agp.c659
1 files changed, 0 insertions, 659 deletions
diff --git a/drivers/char/agp/i460-agp.c b/drivers/char/agp/i460-agp.c
deleted file mode 100644
index 15b240ea4848..000000000000
--- a/drivers/char/agp/i460-agp.c
+++ /dev/null
@@ -1,659 +0,0 @@
-/*
- * For documentation on the i460 AGP interface, see Chapter 7 (AGP Subsystem) of
- * the "Intel 460GTX Chipset Software Developer's Manual":
- * http://www.intel.com/design/archives/itanium/downloads/248704.htm
- */
-/*
- * 460GX support by Chris Ahna <christopher.j.ahna@intel.com>
- * Clean up & simplification by David Mosberger-Tang <davidm@hpl.hp.com>
- */
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/init.h>
-#include <linux/string.h>
-#include <linux/slab.h>
-#include <linux/agp_backend.h>
-#include <linux/log2.h>
-
-#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.
- * See also comments in ia64_alloc_page()...
- */
-#define I460_LARGE_IO_PAGES 0
-
-#if I460_LARGE_IO_PAGES
-# define I460_IO_PAGE_SHIFT i460.io_page_shift
-#else
-# define I460_IO_PAGE_SHIFT 12
-#endif
-
-#define I460_IOPAGES_PER_KPAGE (PAGE_SIZE >> I460_IO_PAGE_SHIFT)
-#define I460_KPAGES_PER_IOPAGE (1 << (I460_IO_PAGE_SHIFT - PAGE_SHIFT))
-#define I460_SRAM_IO_DISABLE (1 << 4)
-#define I460_BAPBASE_ENABLE (1 << 3)
-#define I460_AGPSIZ_MASK 0x7
-#define I460_4M_PS (1 << 1)
-
-/* Control bits for Out-Of-GART coherency and Burst Write Combining */
-#define I460_GXBCTL_OOG (1UL << 0)
-#define I460_GXBCTL_BWC (1UL << 2)
-
-/*
- * gatt_table entries are 32-bits wide on the i460; the generic code ought to declare the
- * gatt_table and gatt_table_real pointers a "void *"...
- */
-#define RD_GATT(index) readl((u32 *) i460.gatt + (index))
-#define WR_GATT(index, val) writel((val), (u32 *) i460.gatt + (index))
-/*
- * The 460 spec says we have to read the last location written to make sure that all
- * writes have taken effect
- */
-#define WR_FLUSH_GATT(index) RD_GATT(index)
-
-static unsigned long i460_mask_memory (struct agp_bridge_data *bridge,
- dma_addr_t addr, int type);
-
-static struct {
- void *gatt; /* ioremap'd GATT area */
-
- /* i460 supports multiple GART page sizes, so GART pageshift is dynamic: */
- u8 io_page_shift;
-
- /* BIOS configures chipset to one of 2 possible apbase values: */
- u8 dynamic_apbase;
-
- /* structure for tracking partial use of 4MB GART pages: */
- struct lp_desc {
- unsigned long *alloced_map; /* bitmap of kernel-pages in use */
- int refcount; /* number of kernel pages using the large page */
- u64 paddr; /* physical address of large page */
- struct page *page; /* page pointer */
- } *lp_desc;
-} i460;
-
-static const struct aper_size_info_8 i460_sizes[3] =
-{
- /*
- * The 32GB aperture is only available with a 4M GART page size. Due to the
- * dynamic GART page size, we can't figure out page_order or num_entries until
- * runtime.
- */
- {32768, 0, 0, 4},
- {1024, 0, 0, 2},
- {256, 0, 0, 1}
-};
-
-static struct gatt_mask i460_masks[] =
-{
- {
- .mask = INTEL_I460_GATT_VALID | INTEL_I460_GATT_COHERENT,
- .type = 0
- }
-};
-
-static int i460_fetch_size (void)
-{
- int i;
- u8 temp;
- struct aper_size_info_8 *values;
-
- /* Determine the GART page size */
- pci_read_config_byte(agp_bridge->dev, INTEL_I460_GXBCTL, &temp);
- i460.io_page_shift = (temp & I460_4M_PS) ? 22 : 12;
- pr_debug("i460_fetch_size: io_page_shift=%d\n", i460.io_page_shift);
-
- if (i460.io_page_shift != I460_IO_PAGE_SHIFT) {
- printk(KERN_ERR PFX
- "I/O (GART) page-size %luKB doesn't match expected "
- "size %luKB\n",
- 1UL << (i460.io_page_shift - 10),
- 1UL << (I460_IO_PAGE_SHIFT));
- return 0;
- }
-
- values = A_SIZE_8(agp_bridge->driver->aperture_sizes);
-
- pci_read_config_byte(agp_bridge->dev, INTEL_I460_AGPSIZ, &temp);
-
- /* Exit now if the IO drivers for the GART SRAMS are turned off */
- if (temp & I460_SRAM_IO_DISABLE) {
- printk(KERN_ERR PFX "GART SRAMS disabled on 460GX chipset\n");
- printk(KERN_ERR PFX "AGPGART operation not possible\n");
- return 0;
- }
-
- /* Make sure we don't try to create an 2 ^ 23 entry GATT */
- if ((i460.io_page_shift == 0) && ((temp & I460_AGPSIZ_MASK) == 4)) {
- printk(KERN_ERR PFX "We can't have a 32GB aperture with 4KB GART pages\n");
- return 0;
- }
-
- /* Determine the proper APBASE register */
- if (temp & I460_BAPBASE_ENABLE)
- i460.dynamic_apbase = INTEL_I460_BAPBASE;
- else
- i460.dynamic_apbase = AGP_APBASE;
-
- for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) {
- /*
- * Dynamically calculate the proper num_entries and page_order values for
- * the define aperture sizes. Take care not to shift off the end of
- * values[i].size.
- */
- values[i].num_entries = (values[i].size << 8) >> (I460_IO_PAGE_SHIFT - 12);
- values[i].page_order = ilog2((sizeof(u32)*values[i].num_entries) >> PAGE_SHIFT);
- }
-
- for (i = 0; i < agp_bridge->driver->num_aperture_sizes; i++) {
- /* Neglect control bits when matching up size_value */
- if ((temp & I460_AGPSIZ_MASK) == 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;
-}
-
-/* There isn't anything to do here since 460 has no GART TLB. */
-static void i460_tlb_flush (struct agp_memory *mem)
-{
- return;
-}
-
-/*
- * This utility function is needed to prevent corruption of the control bits
- * which are stored along with the aperture size in 460's AGPSIZ register
- */
-static void i460_write_agpsiz (u8 size_value)
-{
- u8 temp;
-
- pci_read_config_byte(agp_bridge->dev, INTEL_I460_AGPSIZ, &temp);
- pci_write_config_byte(agp_bridge->dev, INTEL_I460_AGPSIZ,
- ((temp & ~I460_AGPSIZ_MASK) | size_value));
-}
-
-static void i460_cleanup (void)
-{
- struct aper_size_info_8 *previous_size;
-
- previous_size = A_SIZE_8(agp_bridge->previous_size);
- i460_write_agpsiz(previous_size->size_value);
-
- if (I460_IO_PAGE_SHIFT > PAGE_SHIFT)
- kfree(i460.lp_desc);
-}
-
-static int i460_configure (void)
-{
- union {
- u32 small[2];
- u64 large;
- } temp;
- size_t size;
- u8 scratch;
- struct aper_size_info_8 *current_size;
-
- temp.large = 0;
-
- current_size = A_SIZE_8(agp_bridge->current_size);
- i460_write_agpsiz(current_size->size_value);
-
- /*
- * Do the necessary rigmarole to read all eight bytes of APBASE.
- * This has to be done since the AGP aperture can be above 4GB on
- * 460 based systems.
- */
- pci_read_config_dword(agp_bridge->dev, i460.dynamic_apbase, &(temp.small[0]));
- pci_read_config_dword(agp_bridge->dev, i460.dynamic_apbase + 4, &(temp.small[1]));
-
- /* Clear BAR control bits */
- agp_bridge->gart_bus_addr = temp.large & ~((1UL << 3) - 1);
-
- pci_read_config_byte(agp_bridge->dev, INTEL_I460_GXBCTL, &scratch);
- pci_write_config_byte(agp_bridge->dev, INTEL_I460_GXBCTL,
- (scratch & 0x02) | I460_GXBCTL_OOG | I460_GXBCTL_BWC);
-
- /*
- * Initialize partial allocation trackers if a GART page is bigger than a kernel
- * page.
- */
- if (I460_IO_PAGE_SHIFT > PAGE_SHIFT) {
- size = current_size->num_entries * sizeof(i460.lp_desc[0]);
- i460.lp_desc = kzalloc(size, GFP_KERNEL);
- if (!i460.lp_desc)
- return -ENOMEM;
- }
- return 0;
-}
-
-static int i460_create_gatt_table (struct agp_bridge_data *bridge)
-{
- int page_order, num_entries, i;
- void *temp;
-
- /*
- * Load up the fixed address of the GART SRAMS which hold our GATT table.
- */
- temp = agp_bridge->current_size;
- page_order = A_SIZE_8(temp)->page_order;
- num_entries = A_SIZE_8(temp)->num_entries;
-
- i460.gatt = ioremap(INTEL_I460_ATTBASE, PAGE_SIZE << page_order);
- if (!i460.gatt) {
- printk(KERN_ERR PFX "ioremap failed\n");
- return -ENOMEM;
- }
-
- /* These are no good, the should be removed from the agp_bridge strucure... */
- agp_bridge->gatt_table_real = NULL;
- agp_bridge->gatt_table = NULL;
- agp_bridge->gatt_bus_addr = 0;
-
- for (i = 0; i < num_entries; ++i)
- WR_GATT(i, 0);
- WR_FLUSH_GATT(i - 1);
- return 0;
-}
-
-static int i460_free_gatt_table (struct agp_bridge_data *bridge)
-{
- int num_entries, i;
- void *temp;
-
- temp = agp_bridge->current_size;
-
- num_entries = A_SIZE_8(temp)->num_entries;
-
- for (i = 0; i < num_entries; ++i)
- WR_GATT(i, 0);
- WR_FLUSH_GATT(num_entries - 1);
-
- iounmap(i460.gatt);
- return 0;
-}
-
-/*
- * The following functions are called when the I/O (GART) page size is smaller than
- * PAGE_SIZE.
- */
-
-static int i460_insert_memory_small_io_page (struct agp_memory *mem,
- off_t pg_start, int type)
-{
- unsigned long paddr, io_pg_start, io_page_size;
- int i, j, k, num_entries;
- void *temp;
-
- pr_debug("i460_insert_memory_small_io_page(mem=%p, pg_start=%ld, type=%d, paddr0=0x%lx)\n",
- mem, pg_start, type, page_to_phys(mem->pages[0]));
-
- if (type >= AGP_USER_TYPES || mem->type >= AGP_USER_TYPES)
- return -EINVAL;
-
- io_pg_start = I460_IOPAGES_PER_KPAGE * pg_start;
-
- temp = agp_bridge->current_size;
- num_entries = A_SIZE_8(temp)->num_entries;
-
- if ((io_pg_start + I460_IOPAGES_PER_KPAGE * mem->page_count) > num_entries) {
- printk(KERN_ERR PFX "Looks like we're out of AGP memory\n");
- return -EINVAL;
- }
-
- j = io_pg_start;
- while (j < (io_pg_start + I460_IOPAGES_PER_KPAGE * mem->page_count)) {
- if (!PGE_EMPTY(agp_bridge, RD_GATT(j))) {
- pr_debug("i460_insert_memory_small_io_page: GATT[%d]=0x%x is busy\n",
- j, RD_GATT(j));
- return -EBUSY;
- }
- j++;
- }
-
- io_page_size = 1UL << I460_IO_PAGE_SHIFT;
- for (i = 0, j = io_pg_start; i < mem->page_count; i++) {
- paddr = page_to_phys(mem->pages[i]);
- for (k = 0; k < I460_IOPAGES_PER_KPAGE; k++, j++, paddr += io_page_size)
- WR_GATT(j, i460_mask_memory(agp_bridge, paddr, mem->type));
- }
- WR_FLUSH_GATT(j - 1);
- return 0;
-}
-
-static int i460_remove_memory_small_io_page(struct agp_memory *mem,
- off_t pg_start, int type)
-{
- int i;
-
- pr_debug("i460_remove_memory_small_io_page(mem=%p, pg_start=%ld, type=%d)\n",
- mem, pg_start, type);
-
- pg_start = I460_IOPAGES_PER_KPAGE * pg_start;
-
- for (i = pg_start; i < (pg_start + I460_IOPAGES_PER_KPAGE * mem->page_count); i++)
- WR_GATT(i, 0);
- WR_FLUSH_GATT(i - 1);
- return 0;
-}
-
-#if I460_LARGE_IO_PAGES
-
-/*
- * These functions are called when the I/O (GART) page size exceeds PAGE_SIZE.
- *
- * This situation is interesting since AGP memory allocations that are smaller than a
- * single GART page are possible. The i460.lp_desc array tracks partial allocation of the
- * large GART pages to work around this issue.
- *
- * i460.lp_desc[pg_num].refcount tracks the number of kernel pages in use within GART page
- * pg_num. i460.lp_desc[pg_num].paddr is the physical address of the large page and
- * i460.lp_desc[pg_num].alloced_map is a bitmap of kernel pages that are in use (allocated).
- */
-
-static int i460_alloc_large_page (struct lp_desc *lp)
-{
- unsigned long order = I460_IO_PAGE_SHIFT - PAGE_SHIFT;
- size_t map_size;
-
- lp->page = alloc_pages(GFP_KERNEL, order);
- if (!lp->page) {
- printk(KERN_ERR PFX "Couldn't alloc 4M GART page...\n");
- return -ENOMEM;
- }
-
- map_size = ((I460_KPAGES_PER_IOPAGE + BITS_PER_LONG - 1) & -BITS_PER_LONG)/8;
- lp->alloced_map = kzalloc(map_size, GFP_KERNEL);
- if (!lp->alloced_map) {
- __free_pages(lp->page, order);
- printk(KERN_ERR PFX "Out of memory, we're in trouble...\n");
- return -ENOMEM;
- }
-
- lp->paddr = page_to_phys(lp->page);
- lp->refcount = 0;
- atomic_add(I460_KPAGES_PER_IOPAGE, &agp_bridge->current_memory_agp);
- return 0;
-}
-
-static void i460_free_large_page (struct lp_desc *lp)
-{
- kfree(lp->alloced_map);
- lp->alloced_map = NULL;
-
- __free_pages(lp->page, I460_IO_PAGE_SHIFT - PAGE_SHIFT);
- atomic_sub(I460_KPAGES_PER_IOPAGE, &agp_bridge->current_memory_agp);
-}
-
-static int i460_insert_memory_large_io_page (struct agp_memory *mem,
- off_t pg_start, int type)
-{
- int i, start_offset, end_offset, idx, pg, num_entries;
- struct lp_desc *start, *end, *lp;
- void *temp;
-
- if (type >= AGP_USER_TYPES || mem->type >= AGP_USER_TYPES)
- return -EINVAL;
-
- temp = agp_bridge->current_size;
- num_entries = A_SIZE_8(temp)->num_entries;
-
- /* Figure out what pg_start means in terms of our large GART pages */
- start = &i460.lp_desc[pg_start / I460_KPAGES_PER_IOPAGE];
- end = &i460.lp_desc[(pg_start + mem->page_count - 1) / I460_KPAGES_PER_IOPAGE];
- start_offset = pg_start % I460_KPAGES_PER_IOPAGE;
- end_offset = (pg_start + mem->page_count - 1) % I460_KPAGES_PER_IOPAGE;
-
- if (end > i460.lp_desc + num_entries) {
- printk(KERN_ERR PFX "Looks like we're out of AGP memory\n");
- return -EINVAL;
- }
-
- /* Check if the requested region of the aperture is free */
- for (lp = start; lp <= end; ++lp) {
- if (!lp->alloced_map)
- continue; /* OK, the entire large page is available... */
-
- for (idx = ((lp == start) ? start_offset : 0);
- idx < ((lp == end) ? (end_offset + 1) : I460_KPAGES_PER_IOPAGE);
- idx++)
- {
- if (test_bit(idx, lp->alloced_map))
- return -EBUSY;
- }
- }
-
- for (lp = start, i = 0; lp <= end; ++lp) {
- if (!lp->alloced_map) {
- /* Allocate new GART pages... */
- if (i460_alloc_large_page(lp) < 0)
- return -ENOMEM;
- pg = lp - i460.lp_desc;
- WR_GATT(pg, i460_mask_memory(agp_bridge,
- lp->paddr, 0));
- WR_FLUSH_GATT(pg);
- }
-
- for (idx = ((lp == start) ? start_offset : 0);
- idx < ((lp == end) ? (end_offset + 1) : I460_KPAGES_PER_IOPAGE);
- idx++, i++)
- {
- mem->pages[i] = lp->page;
- __set_bit(idx, lp->alloced_map);
- ++lp->refcount;
- }
- }
- return 0;
-}
-
-static int i460_remove_memory_large_io_page (struct agp_memory *mem,
- off_t pg_start, int type)
-{
- int i, pg, start_offset, end_offset, idx, num_entries;
- struct lp_desc *start, *end, *lp;
- void *temp;
-
- temp = agp_bridge->current_size;
- num_entries = A_SIZE_8(temp)->num_entries;
-
- /* Figure out what pg_start means in terms of our large GART pages */
- start = &i460.lp_desc[pg_start / I460_KPAGES_PER_IOPAGE];
- end = &i460.lp_desc[(pg_start + mem->page_count - 1) / I460_KPAGES_PER_IOPAGE];
- start_offset = pg_start % I460_KPAGES_PER_IOPAGE;
- end_offset = (pg_start + mem->page_count - 1) % I460_KPAGES_PER_IOPAGE;
-
- for (i = 0, lp = start; lp <= end; ++lp) {
- for (idx = ((lp == start) ? start_offset : 0);
- idx < ((lp == end) ? (end_offset + 1) : I460_KPAGES_PER_IOPAGE);
- idx++, i++)
- {
- mem->pages[i] = NULL;
- __clear_bit(idx, lp->alloced_map);
- --lp->refcount;
- }
-
- /* Free GART pages if they are unused */
- if (lp->refcount == 0) {
- pg = lp - i460.lp_desc;
- WR_GATT(pg, 0);
- WR_FLUSH_GATT(pg);
- i460_free_large_page(lp);
- }
- }
- return 0;
-}
-
-/* Wrapper routines to call the approriate {small_io_page,large_io_page} function */
-
-static int i460_insert_memory (struct agp_memory *mem,
- off_t pg_start, int type)
-{
- if (I460_IO_PAGE_SHIFT <= PAGE_SHIFT)
- return i460_insert_memory_small_io_page(mem, pg_start, type);
- else
- return i460_insert_memory_large_io_page(mem, pg_start, type);
-}
-
-static int i460_remove_memory (struct agp_memory *mem,
- off_t pg_start, int type)
-{
- if (I460_IO_PAGE_SHIFT <= PAGE_SHIFT)
- return i460_remove_memory_small_io_page(mem, pg_start, type);
- else
- return i460_remove_memory_large_io_page(mem, pg_start, type);
-}
-
-/*
- * If the I/O (GART) page size is bigger than the kernel page size, we don't want to
- * allocate memory until we know where it is to be bound in the aperture (a
- * multi-kernel-page alloc might fit inside of an already allocated GART page).
- *
- * Let's just hope nobody counts on the allocated AGP memory being there before bind time
- * (I don't think current drivers do)...
- */
-static struct page *i460_alloc_page (struct agp_bridge_data *bridge)
-{
- void *page;
-
- if (I460_IO_PAGE_SHIFT <= PAGE_SHIFT) {
- page = agp_generic_alloc_page(agp_bridge);
- } else
- /* Returning NULL would cause problems */
- /* AK: really dubious code. */
- page = (void *)~0UL;
- return page;
-}
-
-static void i460_destroy_page (struct page *page, int flags)
-{
- if (I460_IO_PAGE_SHIFT <= PAGE_SHIFT) {
- agp_generic_destroy_page(page, flags);
- }
-}
-
-#endif /* I460_LARGE_IO_PAGES */
-
-static unsigned long i460_mask_memory (struct agp_bridge_data *bridge,
- dma_addr_t addr, int type)
-{
- /* Make sure the returned address is a valid GATT entry */
- return bridge->driver->masks[0].mask
- | (((addr & ~((1 << I460_IO_PAGE_SHIFT) - 1)) & 0xfffff000) >> 12);
-}
-
-const struct agp_bridge_driver intel_i460_driver = {
- .owner = THIS_MODULE,
- .aperture_sizes = i460_sizes,
- .size_type = U8_APER_SIZE,
- .num_aperture_sizes = 3,
- .configure = i460_configure,
- .fetch_size = i460_fetch_size,
- .cleanup = i460_cleanup,
- .tlb_flush = i460_tlb_flush,
- .mask_memory = i460_mask_memory,
- .masks = i460_masks,
- .agp_enable = agp_generic_enable,
- .cache_flush = global_cache_flush,
- .create_gatt_table = i460_create_gatt_table,
- .free_gatt_table = i460_free_gatt_table,
-#if I460_LARGE_IO_PAGES
- .insert_memory = i460_insert_memory,
- .remove_memory = i460_remove_memory,
- .agp_alloc_page = i460_alloc_page,
- .agp_destroy_page = i460_destroy_page,
-#else
- .insert_memory = i460_insert_memory_small_io_page,
- .remove_memory = i460_remove_memory_small_io_page,
- .agp_alloc_page = agp_generic_alloc_page,
- .agp_alloc_pages = agp_generic_alloc_pages,
- .agp_destroy_page = agp_generic_destroy_page,
- .agp_destroy_pages = agp_generic_destroy_pages,
-#endif
- .alloc_by_type = agp_generic_alloc_by_type,
- .free_by_type = agp_generic_free_by_type,
- .agp_type_to_mask_type = agp_generic_type_to_mask_type,
- .cant_use_aperture = true,
-};
-
-static int agp_intel_i460_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent)
-{
- struct agp_bridge_data *bridge;
- u8 cap_ptr;
-
- cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
- if (!cap_ptr)
- return -ENODEV;
-
- bridge = agp_alloc_bridge();
- if (!bridge)
- return -ENOMEM;
-
- bridge->driver = &intel_i460_driver;
- bridge->dev = pdev;
- bridge->capndx = cap_ptr;
-
- printk(KERN_INFO PFX "Detected Intel 460GX chipset\n");
-
- pci_set_drvdata(pdev, bridge);
- return agp_add_bridge(bridge);
-}
-
-static void agp_intel_i460_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_intel_i460_pci_table[] = {
- {
- .class = (PCI_CLASS_BRIDGE_HOST << 8),
- .class_mask = ~0,
- .vendor = PCI_VENDOR_ID_INTEL,
- .device = PCI_DEVICE_ID_INTEL_84460GX,
- .subvendor = PCI_ANY_ID,
- .subdevice = PCI_ANY_ID,
- },
- { }
-};
-
-MODULE_DEVICE_TABLE(pci, agp_intel_i460_pci_table);
-
-static struct pci_driver agp_intel_i460_pci_driver = {
- .name = "agpgart-intel-i460",
- .id_table = agp_intel_i460_pci_table,
- .probe = agp_intel_i460_probe,
- .remove = agp_intel_i460_remove,
-};
-
-static int __init agp_intel_i460_init(void)
-{
- if (agp_off)
- return -EINVAL;
- return pci_register_driver(&agp_intel_i460_pci_driver);
-}
-
-static void __exit agp_intel_i460_cleanup(void)
-{
- pci_unregister_driver(&agp_intel_i460_pci_driver);
-}
-
-module_init(agp_intel_i460_init);
-module_exit(agp_intel_i460_cleanup);
-
-MODULE_AUTHOR("Chris Ahna <Christopher.J.Ahna@intel.com>");
-MODULE_LICENSE("GPL and additional rights");
generated by cgit (git 2.34.1) at 2024-05-27 01:45:41 +0000