intel-agp: add new chipset ID

This one adds new pci ids for Intel intergrated graphics chipset, with gtt
table access change on it and new gtt table size definition.

Signed-off-by: Zhenyu Wang <zhenyu.z.wang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>

2 files changed, 29 insertions, 5 deletions

diff --git a/drivers/char/agp/agp.h b/drivers/char/agp/agp.h
index 9ec9374ccc42..c69f79598e47 100644
--- a/drivers/char/agp/agp.h
+++ b/drivers/char/agp/agp.h
@@ -236,6 +236,9 @@ 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 I965_PGETBL_SIZE_1MB    (3 << 1)
+#define I965_PGETBL_SIZE_2MB    (4 << 1)
+#define I965_PGETBL_SIZE_1_5MB  (5 << 1)
 #define G33_PGETBL_SIZE_MASK    (3 << 8)
 #define G33_PGETBL_SIZE_1M      (1 << 8)
 #define G33_PGETBL_SIZE_2M      (2 << 8)
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 8e61a0530485..6fa97ae6a126 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -32,13 +32,16 @@
 #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 PCI_DEVICE_ID_INTEL_IGD_HB          0x2A40
+#define PCI_DEVICE_ID_INTEL_IGD_IG          0x2A42
 
 #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 || \
-                 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB)
+                 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_82965GME_HB || \
+                 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_HB)
 
 #define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
                 agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
@@ -461,6 +464,15 @@ static void intel_i830_init_gtt_entries(void)
                 case I965_PGETBL_SIZE_512KB:
                         size = 512;
                         break;
+                case I965_PGETBL_SIZE_1MB:
+                        size = 1024;
+                        break;
+                case I965_PGETBL_SIZE_2MB:
+                        size = 2048;
+                        break;
+                case I965_PGETBL_SIZE_1_5MB:
+                        size = 1024 + 512;
+                        break;
                 default:
                         printk(KERN_INFO PFX "Unknown page table size, "
                                "assuming 512KB\n");
@@ -1124,6 +1136,7 @@ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge)
        struct aper_size_info_fixed *size;
        int num_entries;
        u32 temp;
+       int gtt_offset, gtt_size;
 
        size = agp_bridge->current_size;
        page_order = size->page_order;
@@ -1133,13 +1146,18 @@ static int intel_i965_create_gatt_table(struct agp_bridge_data *bridge)
        pci_read_config_dword(intel_private.pcidev, I915_MMADDR, &temp);
 
        temp &= 0xfff00000;
-       intel_private.gtt = ioremap((temp + (512 * 1024)) , 512 * 1024);
 
-        if (!intel_private.gtt)
-                return -ENOMEM;
+       if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_HB)
+               gtt_offset = gtt_size = MB(2);
+       else
+               gtt_offset = gtt_size = KB(512);
+
+       intel_private.gtt = ioremap((temp + gtt_offset) , gtt_size);
 
+       if (!intel_private.gtt)
+               return -ENOMEM;
 
-       intel_private.registers = ioremap(temp,128 * 4096);
+       intel_private.registers = ioremap(temp, 128 * 4096);
        if (!intel_private.registers) {
                 iounmap(intel_private.gtt);
                 return -ENOMEM;
@@ -2036,6 +2054,8 @@ static const struct intel_driver_description {
                 NULL, &intel_g33_driver },
         { PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33",
                 NULL, &intel_g33_driver },
+        { PCI_DEVICE_ID_INTEL_IGD_HB, PCI_DEVICE_ID_INTEL_IGD_IG, 0,
+            "Intel Integrated Graphics Device", NULL, &intel_i965_driver },
         { 0, 0, 0, NULL, NULL, NULL }
 };
 
@@ -2226,6 +2246,7 @@ static struct pci_device_id agp_intel_pci_table[] = {
         ID(PCI_DEVICE_ID_INTEL_G33_HB),
         ID(PCI_DEVICE_ID_INTEL_Q35_HB),
         ID(PCI_DEVICE_ID_INTEL_Q33_HB),
+        ID(PCI_DEVICE_ID_INTEL_IGD_HB),
         { }
 };