[AGPGART] intel_agp: Add support for G33, Q33 and Q35 chipsets
This patch adds pci ids for G33, Q33 and Q35 chips, and update with new
GTT size and stolen mem size detect method on these chips.
Signed-off-by: Wang Zhenyu <zhenyu.z.wang@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 3c4a1c2..d383168 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -22,6 +22,12 @@
#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 || \
@@ -29,6 +35,9 @@
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;
@@ -55,6 +64,8 @@
#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
@@ -448,6 +459,22 @@
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.
@@ -499,7 +526,8 @@
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;
@@ -509,10 +537,24 @@
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;
@@ -1719,6 +1761,30 @@
.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)
{
@@ -1799,6 +1865,12 @@
&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 }
};
@@ -1976,6 +2048,9 @@
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),
{ }
};