summaryrefslogtreecommitdiff
path: root/drivers/char/agp
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/agp')
-rw-r--r--drivers/char/agp/intel-agp.c118
1 files changed, 57 insertions, 61 deletions
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 07141c914df1..fe6fc382190f 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -35,11 +35,19 @@
#define PCI_DEVICE_ID_INTEL_IGD_HB 0x2A40
#define PCI_DEVICE_ID_INTEL_IGD_IG 0x2A42
+/* cover 915 and 945 variants */
+#define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB)
+
#define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82G35_HB || \
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82G35_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965Q_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GM_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_HB)
@@ -216,7 +224,7 @@ static void intel_i810_agp_enable(struct agp_bridge_data *bridge, u32 mode)
/* Exists to support ARGB cursors */
static void *i8xx_alloc_pages(void)
{
- struct page * page;
+ struct page *page;
page = alloc_pages(GFP_KERNEL | GFP_DMA32, 2);
if (page == NULL)
@@ -445,7 +453,7 @@ static void intel_i830_init_gtt_entries(void)
static const int ddt[4] = { 0, 16, 32, 64 };
int size; /* reserved space (in kb) at the top of stolen memory */
- pci_read_config_word(agp_bridge->dev,I830_GMCH_CTRL,&gmch_ctrl);
+ pci_read_config_word(agp_bridge->dev, I830_GMCH_CTRL, &gmch_ctrl);
if (IS_I965) {
u32 pgetbl_ctl;
@@ -544,26 +552,14 @@ static void intel_i830_init_gtt_entries(void)
break;
case I915_GMCH_GMS_STOLEN_48M:
/* Check it's really I915G */
- if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB ||
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB ||
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB ||
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB ||
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB ||
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB ||
- IS_I965 || IS_G33)
+ if (IS_I915 || IS_I965 || IS_G33)
gtt_entries = MB(48) - KB(size);
else
gtt_entries = 0;
break;
case I915_GMCH_GMS_STOLEN_64M:
/* Check it's really I915G */
- if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB ||
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915G_HB ||
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82915GM_HB ||
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945G_HB ||
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB ||
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GME_HB ||
- IS_I965 || IS_G33)
+ if (IS_I915 || IS_I965 || IS_G33)
gtt_entries = MB(64) - KB(size);
else
gtt_entries = 0;
@@ -614,9 +610,8 @@ static void intel_i830_setup_flush(void)
return;
intel_private.i8xx_page = alloc_page(GFP_KERNEL | __GFP_ZERO | GFP_DMA32);
- if (!intel_private.i8xx_page) {
+ if (!intel_private.i8xx_page)
return;
- }
/* make page uncached */
map_page_into_agp(intel_private.i8xx_page);
@@ -632,9 +627,9 @@ static void intel_i830_chipset_flush(struct agp_bridge_data *bridge)
unsigned int *pg = intel_private.i8xx_flush_page;
int i;
- for (i = 0; i < 256; i+=2)
+ for (i = 0; i < 256; i += 2)
*(pg + i) = i;
-
+
wmb();
}
@@ -653,10 +648,10 @@ static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge)
num_entries = size->num_entries;
agp_bridge->gatt_table_real = NULL;
- pci_read_config_dword(intel_private.pcidev,I810_MMADDR,&temp);
+ pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp);
temp &= 0xfff80000;
- intel_private.registers = ioremap(temp,128 * 4096);
+ intel_private.registers = ioremap(temp, 128 * 4096);
if (!intel_private.registers)
return -ENOMEM;
@@ -696,7 +691,7 @@ static int intel_i830_fetch_size(void)
return values[0].size;
}
- pci_read_config_word(agp_bridge->dev,I830_GMCH_CTRL,&gmch_ctrl);
+ 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;
@@ -720,12 +715,12 @@ static int intel_i830_configure(void)
current_size = A_SIZE_FIX(agp_bridge->current_size);
- pci_read_config_dword(intel_private.pcidev,I810_GMADDR,&temp);
+ pci_read_config_dword(intel_private.pcidev, 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);
+ 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);
+ pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl);
writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL);
readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */
@@ -748,9 +743,10 @@ static void intel_i830_cleanup(void)
iounmap(intel_private.registers);
}
-static int intel_i830_insert_entries(struct agp_memory *mem,off_t pg_start, int type)
+static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start,
+ int type)
{
- int i,j,num_entries;
+ int i, j, num_entries;
void *temp;
int ret = -EINVAL;
int mask_type;
@@ -762,10 +758,10 @@ static int intel_i830_insert_entries(struct agp_memory *mem,off_t pg_start, int
num_entries = A_SIZE_FIX(temp)->num_entries;
if (pg_start < intel_private.gtt_entries) {
- printk (KERN_DEBUG PFX "pg_start == 0x%.8lx,intel_private.gtt_entries == 0x%.8x\n",
- pg_start,intel_private.gtt_entries);
+ printk(KERN_DEBUG PFX "pg_start == 0x%.8lx,intel_private.gtt_entries == 0x%.8x\n",
+ pg_start, intel_private.gtt_entries);
- printk (KERN_INFO PFX "Trying to insert into local/stolen memory\n");
+ printk(KERN_INFO PFX "Trying to insert into local/stolen memory\n");
goto out_err;
}
@@ -803,8 +799,8 @@ out_err:
return ret;
}
-static int intel_i830_remove_entries(struct agp_memory *mem,off_t pg_start,
- int type)
+static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start,
+ int type)
{
int i;
@@ -812,7 +808,7 @@ static int intel_i830_remove_entries(struct agp_memory *mem,off_t pg_start,
return 0;
if (pg_start < intel_private.gtt_entries) {
- printk (KERN_INFO PFX "Trying to disable local/stolen memory\n");
+ printk(KERN_INFO PFX "Trying to disable local/stolen memory\n");
return -EINVAL;
}
@@ -825,7 +821,7 @@ static int intel_i830_remove_entries(struct agp_memory *mem,off_t pg_start,
return 0;
}
-static struct agp_memory *intel_i830_alloc_by_type(size_t pg_count,int type)
+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);
@@ -884,7 +880,7 @@ static void intel_i965_g33_setup_chipset_flush(void)
pci_write_config_dword(agp_bridge->dev, I965_IFPADDR, (intel_private.ifp_resource.start & 0xffffffff) | 0x1);
} else {
u64 l64;
-
+
temp_lo &= ~0x1;
l64 = ((u64)temp_hi << 32) | temp_lo;
@@ -918,7 +914,7 @@ static void intel_i9xx_setup_flush(void)
if (intel_private.ifp_resource.start) {
intel_private.i9xx_flush_page = ioremap_nocache(intel_private.ifp_resource.start, PAGE_SIZE);
if (!intel_private.i9xx_flush_page)
- printk("unable to ioremap flush page - no chipset flushing");
+ printk(KERN_INFO "unable to ioremap flush page - no chipset flushing");
}
}
@@ -935,9 +931,9 @@ static int intel_i915_configure(void)
agp_bridge->gart_bus_addr = (temp & PCI_BASE_ADDRESS_MEM_MASK);
- pci_read_config_word(agp_bridge->dev,I830_GMCH_CTRL,&gmch_ctrl);
+ 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);
+ pci_write_config_word(agp_bridge->dev, I830_GMCH_CTRL, gmch_ctrl);
writel(agp_bridge->gatt_bus_addr|I810_PGETBL_ENABLED, intel_private.registers+I810_PGETBL_CTL);
readl(intel_private.registers+I810_PGETBL_CTL); /* PCI Posting. */
@@ -952,7 +948,7 @@ static int intel_i915_configure(void)
global_cache_flush();
intel_i9xx_setup_flush();
-
+
return 0;
}
@@ -974,10 +970,10 @@ static void intel_i915_chipset_flush(struct agp_bridge_data *bridge)
writel(1, intel_private.i9xx_flush_page);
}
-static int intel_i915_insert_entries(struct agp_memory *mem,off_t pg_start,
- int type)
+static int intel_i915_insert_entries(struct agp_memory *mem, off_t pg_start,
+ int type)
{
- int i,j,num_entries;
+ int i, j, num_entries;
void *temp;
int ret = -EINVAL;
int mask_type;
@@ -989,10 +985,10 @@ static int intel_i915_insert_entries(struct agp_memory *mem,off_t pg_start,
num_entries = A_SIZE_FIX(temp)->num_entries;
if (pg_start < intel_private.gtt_entries) {
- printk (KERN_DEBUG PFX "pg_start == 0x%.8lx,intel_private.gtt_entries == 0x%.8x\n",
- pg_start,intel_private.gtt_entries);
+ printk(KERN_DEBUG PFX "pg_start == 0x%.8lx,intel_private.gtt_entries == 0x%.8x\n",
+ pg_start, intel_private.gtt_entries);
- printk (KERN_INFO PFX "Trying to insert into local/stolen memory\n");
+ printk(KERN_INFO PFX "Trying to insert into local/stolen memory\n");
goto out_err;
}
@@ -1030,8 +1026,8 @@ static int intel_i915_insert_entries(struct agp_memory *mem,off_t pg_start,
return ret;
}
-static int intel_i915_remove_entries(struct agp_memory *mem,off_t pg_start,
- int type)
+static int intel_i915_remove_entries(struct agp_memory *mem, off_t pg_start,
+ int type)
{
int i;
@@ -1039,13 +1035,13 @@ static int intel_i915_remove_entries(struct agp_memory *mem,off_t pg_start,
return 0;
if (pg_start < intel_private.gtt_entries) {
- printk (KERN_INFO PFX "Trying to disable local/stolen memory\n");
+ printk(KERN_INFO PFX "Trying to disable local/stolen memory\n");
return -EINVAL;
}
- for (i = pg_start; i < (mem->page_count + pg_start); i++) {
+ for (i = pg_start; i < (mem->page_count + pg_start); i++)
writel(agp_bridge->scratch_page, intel_private.gtt+i);
- }
+
readl(intel_private.gtt+i-1);
agp_bridge->driver->tlb_flush(mem);
@@ -1092,7 +1088,7 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge)
agp_bridge->gatt_table_real = NULL;
pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp);
- pci_read_config_dword(intel_private.pcidev, I915_PTEADDR,&temp2);
+ pci_read_config_dword(intel_private.pcidev, I915_PTEADDR, &temp2);
if (IS_G33)
gtt_map_size = 1024 * 1024; /* 1M on G33 */
@@ -1102,7 +1098,7 @@ static int intel_i915_create_gatt_table(struct agp_bridge_data *bridge)
temp &= 0xfff80000;
- intel_private.registers = ioremap(temp,128 * 4096);
+ intel_private.registers = ioremap(temp, 128 * 4096);
if (!intel_private.registers) {
iounmap(intel_private.gtt);
return -ENOMEM;
@@ -1329,7 +1325,7 @@ static int intel_815_configure(void)
/* the Intel 815 chipset spec. says that bits 29-31 in the
* ATTBASE register are reserved -> try not to write them */
if (agp_bridge->gatt_bus_addr & INTEL_815_ATTBASE_MASK) {
- printk (KERN_EMERG PFX "gatt bus addr too high");
+ printk(KERN_EMERG PFX "gatt bus addr too high");
return -EINVAL;
}
@@ -1986,7 +1982,7 @@ static int find_gmch(u16 device)
gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL, device, NULL);
if (gmch_device && PCI_FUNC(gmch_device->devfn) != 0) {
gmch_device = pci_get_device(PCI_VENDOR_ID_INTEL,
- device, gmch_device);
+ device, gmch_device);
}
if (!gmch_device)
@@ -2108,7 +2104,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
if (intel_agp_chipsets[i].name == NULL) {
if (cap_ptr)
printk(KERN_WARNING PFX "Unsupported Intel chipset"
- "(device id: %04x)\n", pdev->device);
+ "(device id: %04x)\n", pdev->device);
agp_put_bridge(bridge);
return -ENODEV;
}
@@ -2121,7 +2117,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
intel_agp_chipsets[i].gmch_chip_id);
agp_put_bridge(bridge);
return -ENODEV;
- }
+ }
bridge->dev = pdev;
bridge->capndx = cap_ptr;
generated by cgit v1.2.3 (git 2.0.4) at 2024-12-27 05:57:09 +0000