Skip to content

L
linux
Commit 25ce77ab authored by Zhenyu Wang's avatar Zhenyu Wang Committed by Dave Airlie
Browse files
Options

[AGP] intel_agp: Add support for Intel 4 series chipsets 

Signed-off-by: default avatarZhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 598d1448
Show whitespace changes
Inline Side-by-side
Showing with 73 additions and 10 deletions
drivers/char/agp/intel-agp.c
View file @ 25ce77ab
...@@ -34,6 +34,12 @@ ...@@ -34,6 +34,12 @@
#define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2 #define PCI_DEVICE_ID_INTEL_Q33_IG 0x29D2
#define PCI_DEVICE_ID_INTEL_IGD_HB 0x2A40 #define PCI_DEVICE_ID_INTEL_IGD_HB 0x2A40
#define PCI_DEVICE_ID_INTEL_IGD_IG 0x2A42 #define PCI_DEVICE_ID_INTEL_IGD_IG 0x2A42
#define PCI_DEVICE_ID_INTEL_IGD_E_HB 0x2E00
#define PCI_DEVICE_ID_INTEL_IGD_E_IG 0x2E02
#define PCI_DEVICE_ID_INTEL_Q45_HB 0x2E10
#define PCI_DEVICE_ID_INTEL_Q45_IG 0x2E12
#define PCI_DEVICE_ID_INTEL_G45_HB 0x2E20
#define PCI_DEVICE_ID_INTEL_G45_IG 0x2E22
/* cover 915 and 945 variants */ /* cover 915 and 945 variants */
#define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \ #define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \
...@@ -55,6 +61,10 @@ ...@@ -55,6 +61,10 @@
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB) agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB)
#define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_E_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB)
extern int agp_memory_reserved; extern int agp_memory_reserved;
...@@ -82,6 +92,11 @@ extern int agp_memory_reserved; ...@@ -82,6 +92,11 @@ extern int agp_memory_reserved;
#define I915_GMCH_GMS_STOLEN_64M (0x7 << 4) #define I915_GMCH_GMS_STOLEN_64M (0x7 << 4)
#define G33_GMCH_GMS_STOLEN_128M (0x8 << 4) #define G33_GMCH_GMS_STOLEN_128M (0x8 << 4)
#define G33_GMCH_GMS_STOLEN_256M (0x9 << 4) #define G33_GMCH_GMS_STOLEN_256M (0x9 << 4)
#define INTEL_GMCH_GMS_STOLEN_96M (0xa << 4)
#define INTEL_GMCH_GMS_STOLEN_160M (0xb << 4)
#define INTEL_GMCH_GMS_STOLEN_224M (0xc << 4)
#define INTEL_GMCH_GMS_STOLEN_352M (0xd << 4)
#define I915_IFPADDR 0x60 #define I915_IFPADDR 0x60
/* Intel 965G registers */ /* Intel 965G registers */
...@@ -506,6 +521,10 @@ static void intel_i830_init_gtt_entries(void) ...@@ -506,6 +521,10 @@ static void intel_i830_init_gtt_entries(void)
size = 512; size = 512;
} }
size += 4; size += 4;
} else if (IS_G4X) {
/* On 4 series hardware, GTT stolen is separate from graphics
* stolen, ignore it in stolen gtt entries counting */
size = 0;
} else { } else {
/* On previous hardware, the GTT size was just what was /* On previous hardware, the GTT size was just what was
* required to map the aperture. * required to map the aperture.
...@@ -554,30 +573,54 @@ static void intel_i830_init_gtt_entries(void) ...@@ -554,30 +573,54 @@ static void intel_i830_init_gtt_entries(void)
break; break;
case I915_GMCH_GMS_STOLEN_48M: case I915_GMCH_GMS_STOLEN_48M:
/* Check it's really I915G */ /* Check it's really I915G */
if (IS_I915 || IS_I965 || IS_G33) if (IS_I915 || IS_I965 || IS_G33 || IS_G4X)
gtt_entries = MB(48) - KB(size); gtt_entries = MB(48) - KB(size);
else else
gtt_entries = 0; gtt_entries = 0;
break; break;
case I915_GMCH_GMS_STOLEN_64M: case I915_GMCH_GMS_STOLEN_64M:
/* Check it's really I915G */ /* Check it's really I915G */
if (IS_I915 || IS_I965 || IS_G33) if (IS_I915 || IS_I965 || IS_G33 || IS_G4X)
gtt_entries = MB(64) - KB(size); gtt_entries = MB(64) - KB(size);
else else
gtt_entries = 0; gtt_entries = 0;
break; break;
case G33_GMCH_GMS_STOLEN_128M: case G33_GMCH_GMS_STOLEN_128M:
if (IS_G33 || IS_I965) if (IS_G33 || IS_I965 || IS_G4X)
gtt_entries = MB(128) - KB(size); gtt_entries = MB(128) - KB(size);
else else
gtt_entries = 0; gtt_entries = 0;
break; break;
case G33_GMCH_GMS_STOLEN_256M: case G33_GMCH_GMS_STOLEN_256M:
if (IS_G33 || IS_I965) if (IS_G33 || IS_I965 || IS_G4X)
gtt_entries = MB(256) - KB(size); gtt_entries = MB(256) - KB(size);
else else
gtt_entries = 0; gtt_entries = 0;
break; break;
case INTEL_GMCH_GMS_STOLEN_96M:
if (IS_I965 || IS_G4X)
gtt_entries = MB(96) - KB(size);
else
gtt_entries = 0;
break;
case INTEL_GMCH_GMS_STOLEN_160M:
if (IS_I965 || IS_G4X)
gtt_entries = MB(160) - KB(size);
else
gtt_entries = 0;
break;
case INTEL_GMCH_GMS_STOLEN_224M:
if (IS_I965 || IS_G4X)
gtt_entries = MB(224) - KB(size);
else
gtt_entries = 0;
break;
case INTEL_GMCH_GMS_STOLEN_352M:
if (IS_I965 || IS_G4X)
gtt_entries = MB(352) - KB(size);
else
gtt_entries = 0;
break;
default: default:
gtt_entries = 0; gtt_entries = 0;
break; break;
...@@ -1136,6 +1179,20 @@ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge, ...@@ -1136,6 +1179,20 @@ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge,
return addr | bridge->driver->masks[type].mask; return addr | bridge->driver->masks[type].mask;
} }
static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
{
switch (agp_bridge->dev->device) {
case PCI_DEVICE_ID_INTEL_IGD_HB:
case PCI_DEVICE_ID_INTEL_IGD_E_HB:
case PCI_DEVICE_ID_INTEL_Q45_HB:
case PCI_DEVICE_ID_INTEL_G45_HB:
*gtt_offset = *gtt_size = MB(2);
break;
default:
*gtt_offset = *gtt_size = KB(512);
}
}
/* The intel i965 automatically initializes the agp aperture during POST. /* The intel i965 automatically initializes the agp aperture during POST.
* Use the memory already set aside for in the GTT. * Use the memory already set aside for in the GTT.
*/ */
...@@ -1156,10 +1213,7 @@ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge) ...@@ -1156,10 +1213,7 @@ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge)
temp &= 0xfff00000; temp &= 0xfff00000;
if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_HB) intel_i965_get_gtt_range(&gtt_offset, &gtt_size);
gtt_offset = gtt_size = MB(2);
else
gtt_offset = gtt_size = KB(512);
intel_private.gtt = ioremap((temp + gtt_offset) , gtt_size); intel_private.gtt = ioremap((temp + gtt_offset) , gtt_size);
...@@ -2065,6 +2119,12 @@ static const struct intel_driver_description { ...@@ -2065,6 +2119,12 @@ static const struct intel_driver_description {
NULL, &intel_g33_driver }, NULL, &intel_g33_driver },
{ PCI_DEVICE_ID_INTEL_IGD_HB, PCI_DEVICE_ID_INTEL_IGD_IG, 0, { PCI_DEVICE_ID_INTEL_IGD_HB, PCI_DEVICE_ID_INTEL_IGD_IG, 0,
"Intel Integrated Graphics Device", NULL, &intel_i965_driver }, "Intel Integrated Graphics Device", NULL, &intel_i965_driver },
{ PCI_DEVICE_ID_INTEL_IGD_E_HB, PCI_DEVICE_ID_INTEL_IGD_E_IG, 0,
"Intel Integrated Graphics Device", NULL, &intel_i965_driver },
{ PCI_DEVICE_ID_INTEL_Q45_HB, PCI_DEVICE_ID_INTEL_Q45_IG, 0,
"Q45/Q43", NULL, &intel_i965_driver },
{ PCI_DEVICE_ID_INTEL_G45_HB, PCI_DEVICE_ID_INTEL_G45_IG, 0,
"G45/G43", NULL, &intel_i965_driver },
{ 0, 0, 0, NULL, NULL, NULL } { 0, 0, 0, NULL, NULL, NULL }
}; };
...@@ -2256,6 +2316,9 @@ static struct pci_device_id agp_intel_pci_table[] = { ...@@ -2256,6 +2316,9 @@ static struct pci_device_id agp_intel_pci_table[] = {
ID(PCI_DEVICE_ID_INTEL_Q35_HB), ID(PCI_DEVICE_ID_INTEL_Q35_HB),
ID(PCI_DEVICE_ID_INTEL_Q33_HB), ID(PCI_DEVICE_ID_INTEL_Q33_HB),
ID(PCI_DEVICE_ID_INTEL_IGD_HB), ID(PCI_DEVICE_ID_INTEL_IGD_HB),
ID(PCI_DEVICE_ID_INTEL_IGD_E_HB),
ID(PCI_DEVICE_ID_INTEL_Q45_HB),
ID(PCI_DEVICE_ID_INTEL_G45_HB),
{ } { }
}; };
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7