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yaml
---
r: 57566
b: refs/heads/master
c: 874808c
h: refs/heads/master
v: v3
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Wang Zhenyu authored and Dave Jones committed Jun 6, 2007
1 parent 6b6e778 commit 2d6ee5d
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Showing 3 changed files with 83 additions and 4 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: df80b148869291621ddf51eb8716658d5bfba811
refs/heads/master: 874808c6dd429f7431b906a32c7f78a68e7636af
6 changes: 5 additions & 1 deletion trunk/drivers/char/agp/agp.h
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Expand Up @@ -176,7 +176,7 @@ struct agp_bridge_data {
#define I830_GMCH_MEM_MASK 0x1
#define I830_GMCH_MEM_64M 0x1
#define I830_GMCH_MEM_128M 0
#define I830_GMCH_GMS_MASK 0x70
#define I830_GMCH_GMS_MASK 0xF0
#define I830_GMCH_GMS_DISABLED 0x00
#define I830_GMCH_GMS_LOCAL 0x10
#define I830_GMCH_GMS_STOLEN_512 0x20
Expand Down Expand Up @@ -231,6 +231,10 @@ struct agp_bridge_data {
#define I965_PGETBL_SIZE_512KB (0 << 1)
#define I965_PGETBL_SIZE_256KB (1 << 1)
#define I965_PGETBL_SIZE_128KB (2 << 1)
#define G33_PGETBL_SIZE_MASK (3 << 8)
#define G33_PGETBL_SIZE_1M (1 << 8)
#define G33_PGETBL_SIZE_2M (2 << 8)

#define I810_DRAM_CTL 0x3000
#define I810_DRAM_ROW_0 0x00000001
#define I810_DRAM_ROW_0_SDRAM 0x00000001
Expand Down
79 changes: 77 additions & 2 deletions trunk/drivers/char/agp/intel-agp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -22,13 +22,22 @@
#define PCI_DEVICE_ID_INTEL_82965GM_IG 0x2A02
#define PCI_DEVICE_ID_INTEL_82965GME_IG 0x2A12
#define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE
#define PCI_DEVICE_ID_INTEL_G33_HB 0x29C0
#define PCI_DEVICE_ID_INTEL_G33_IG 0x29C2
#define PCI_DEVICE_ID_INTEL_Q35_HB 0x29B0
#define PCI_DEVICE_ID_INTEL_Q35_IG 0x29B2
#define PCI_DEVICE_ID_INTEL_Q33_HB 0x29D0
#define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2

#define IS_I965 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82946GZ_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965G_1_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)

#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB)

extern int agp_memory_reserved;

Expand All @@ -55,6 +64,8 @@ extern int agp_memory_reserved;
#define I915_PTEADDR 0x1C
#define I915_GMCH_GMS_STOLEN_48M (0x6 << 4)
#define I915_GMCH_GMS_STOLEN_64M (0x7 << 4)
#define G33_GMCH_GMS_STOLEN_128M (0x8 << 4)
#define G33_GMCH_GMS_STOLEN_256M (0x9 << 4)

/* Intel 965G registers */
#define I965_MSAC 0x62
Expand Down Expand Up @@ -448,6 +459,22 @@ static void intel_i830_init_gtt_entries(void)
size = 512;
}
size += 4; /* add in BIOS popup space */
} else if (IS_G33) {
/* G33's GTT size defined in gmch_ctrl */
switch (gmch_ctrl & G33_PGETBL_SIZE_MASK) {
case G33_PGETBL_SIZE_1M:
size = 1024;
break;
case G33_PGETBL_SIZE_2M:
size = 2048;
break;
default:
printk(KERN_INFO PFX "Unknown page table size 0x%x, "
"assuming 512KB\n",
(gmch_ctrl & G33_PGETBL_SIZE_MASK));
size = 512;
}
size += 4;
} else {
/* On previous hardware, the GTT size was just what was
* required to map the aperture.
Expand Down Expand Up @@ -499,7 +526,8 @@ static void intel_i830_init_gtt_entries(void)
if (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 || IS_I965 )
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB ||
IS_I965 || IS_G33)
gtt_entries = MB(48) - KB(size);
else
gtt_entries = 0;
Expand All @@ -509,10 +537,24 @@ static void intel_i830_init_gtt_entries(void)
if (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 || IS_I965)
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82945GM_HB ||
IS_I965 || IS_G33)
gtt_entries = MB(64) - KB(size);
else
gtt_entries = 0;
break;
case G33_GMCH_GMS_STOLEN_128M:
if (IS_G33)
gtt_entries = MB(128) - KB(size);
else
gtt_entries = 0;
break;
case G33_GMCH_GMS_STOLEN_256M:
if (IS_G33)
gtt_entries = MB(256) - KB(size);
else
gtt_entries = 0;
break;
default:
gtt_entries = 0;
break;
Expand Down Expand Up @@ -1719,6 +1761,30 @@ static const struct agp_bridge_driver intel_7505_driver = {
.agp_type_to_mask_type = agp_generic_type_to_mask_type,
};

static const struct agp_bridge_driver intel_g33_driver = {
.owner = THIS_MODULE,
.aperture_sizes = intel_i830_sizes,
.size_type = FIXED_APER_SIZE,
.num_aperture_sizes = 4,
.needs_scratch_page = TRUE,
.configure = intel_i915_configure,
.fetch_size = intel_i9xx_fetch_size,
.cleanup = intel_i915_cleanup,
.tlb_flush = intel_i810_tlbflush,
.mask_memory = intel_i965_mask_memory,
.masks = intel_i810_masks,
.agp_enable = intel_i810_agp_enable,
.cache_flush = global_cache_flush,
.create_gatt_table = intel_i915_create_gatt_table,
.free_gatt_table = intel_i830_free_gatt_table,
.insert_memory = intel_i915_insert_entries,
.remove_memory = intel_i915_remove_entries,
.alloc_by_type = intel_i830_alloc_by_type,
.free_by_type = intel_i810_free_by_type,
.agp_alloc_page = agp_generic_alloc_page,
.agp_destroy_page = agp_generic_destroy_page,
.agp_type_to_mask_type = intel_i830_type_to_mask_type,
};

static int find_gmch(u16 device)
{
Expand Down Expand Up @@ -1799,6 +1865,12 @@ static const struct intel_driver_description {
&intel_845_driver, &intel_i965_driver },
{ PCI_DEVICE_ID_INTEL_7505_0, 0, "E7505", &intel_7505_driver, NULL },
{ PCI_DEVICE_ID_INTEL_7205_0, 0, "E7205", &intel_7505_driver, NULL },
{ PCI_DEVICE_ID_INTEL_G33_HB, PCI_DEVICE_ID_INTEL_G33_IG, "G33",
&intel_845_driver, &intel_g33_driver },
{ PCI_DEVICE_ID_INTEL_Q35_HB, PCI_DEVICE_ID_INTEL_Q35_IG, "Q35",
&intel_845_driver, &intel_g33_driver },
{ PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, "Q33",
&intel_845_driver, &intel_g33_driver },
{ 0, 0, NULL, NULL, NULL }
};

Expand Down Expand Up @@ -1976,6 +2048,9 @@ static struct pci_device_id agp_intel_pci_table[] = {
ID(PCI_DEVICE_ID_INTEL_82965Q_HB),
ID(PCI_DEVICE_ID_INTEL_82965G_HB),
ID(PCI_DEVICE_ID_INTEL_82965GM_HB),
ID(PCI_DEVICE_ID_INTEL_G33_HB),
ID(PCI_DEVICE_ID_INTEL_Q35_HB),
ID(PCI_DEVICE_ID_INTEL_Q33_HB),
{ }
};

Expand Down

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