intel-gtt: i830: adjust ioremap of regs and gtt to i9xx

This way around this can be extracted into common code.

Also use a common cleanup function (and give it a generic name).

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 23 insertions, 18 deletions

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index cd0fd1479e5d..7359fbe94428 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -883,6 +883,7 @@ static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge)
         int page_order, ret;
         struct aper_size_info_fixed *size;
         int num_entries;
+        int gtt_map_size;
         u32 temp;
 
         size = agp_bridge->current_size;
@@ -893,10 +894,19 @@ static int intel_i830_create_gatt_table(struct agp_bridge_data *bridge)
         pci_read_config_dword(intel_private.pcidev, I810_MMADDR, &temp);
         temp &= 0xfff80000;
 
-        intel_private.registers = ioremap(temp, 128 * 4096);
+        intel_private.registers = ioremap(temp, KB(64));
         if (!intel_private.registers)
                 return -ENOMEM;
 
+        intel_private.base.gtt_total_entries = intel_gtt_total_entries();
+        gtt_map_size = intel_private.base.gtt_total_entries * 4;
+
+        intel_private.gtt = ioremap(temp + I810_PTE_BASE, gtt_map_size);
+        if (!intel_private.gtt) {
+                iounmap(intel_private.registers);
+                return -ENOMEM;
+        }
+
         temp = readl(intel_private.registers+I810_PGETBL_CTL) & 0xfffff000;
         global_cache_flush();   /* FIXME: ?? */
 
@@ -940,9 +950,9 @@ static int intel_i830_configure(void)
 
         if (agp_bridge->driver->needs_scratch_page) {
                 for (i = intel_private.base.gtt_stolen_entries; i < current_size->num_entries; i++) {
-                        writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
+                        writel(agp_bridge->scratch_page, intel_private.gtt+i);
                 }
-                readl(intel_private.registers+I810_PTE_BASE+((i-1)*4)); /* PCI Posting. */
+                readl(intel_private.gtt+i-1);   /* PCI Posting. */
         }
 
         global_cache_flush();
@@ -951,11 +961,6 @@ static int intel_i830_configure(void)
         return 0;
 }
 
-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)
 {
@@ -1002,9 +1007,9 @@ static int intel_i830_insert_entries(struct agp_memory *mem, off_t pg_start,
         for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
                 writel(agp_bridge->driver->mask_memory(agp_bridge,
                                 page_to_phys(mem->pages[i]), mask_type),
-                       intel_private.registers+I810_PTE_BASE+(j*4));
+                       intel_private.gtt+j);
         }
-        readl(intel_private.registers+I810_PTE_BASE+((j-1)*4));
+        readl(intel_private.gtt+j-1);
 
 out:
         ret = 0;
@@ -1028,9 +1033,9 @@ static int intel_i830_remove_entries(struct agp_memory *mem, off_t pg_start,
         }
 
         for (i = pg_start; i < (mem->page_count + pg_start); i++) {
-                writel(agp_bridge->scratch_page, intel_private.registers+I810_PTE_BASE+(i*4));
+                writel(agp_bridge->scratch_page, intel_private.gtt+i);
         }
-        readl(intel_private.registers+I810_PTE_BASE+((i-1)*4));
+        readl(intel_private.gtt+i-1);
 
         return 0;
 }
@@ -1171,7 +1176,7 @@ static int intel_i9xx_configure(void)
         return 0;
 }
 
-static void intel_i915_cleanup(void)
+static void intel_gtt_cleanup(void)
 {
         if (intel_private.i9xx_flush_page)
                 iounmap(intel_private.i9xx_flush_page);
@@ -1444,7 +1449,7 @@ static const struct agp_bridge_driver intel_830_driver = {
         .needs_scratch_page     = true,
         .configure              = intel_i830_configure,
         .fetch_size             = intel_fake_agp_fetch_size,
-        .cleanup                = intel_i830_cleanup,
+        .cleanup                = intel_gtt_cleanup,
         .mask_memory            = intel_i810_mask_memory,
         .masks                  = intel_i810_masks,
         .agp_enable             = intel_fake_agp_enable,
@@ -1471,7 +1476,7 @@ static const struct agp_bridge_driver intel_915_driver = {
         .needs_scratch_page     = true,
         .configure              = intel_i9xx_configure,
         .fetch_size             = intel_fake_agp_fetch_size,
-        .cleanup                = intel_i915_cleanup,
+        .cleanup                = intel_gtt_cleanup,
         .mask_memory            = intel_i810_mask_memory,
         .masks                  = intel_i810_masks,
         .agp_enable             = intel_fake_agp_enable,
@@ -1504,7 +1509,7 @@ static const struct agp_bridge_driver intel_i965_driver = {
         .needs_scratch_page     = true,
         .configure              = intel_i9xx_configure,
         .fetch_size             = intel_fake_agp_fetch_size,
-        .cleanup                = intel_i915_cleanup,
+        .cleanup                = intel_gtt_cleanup,
         .mask_memory            = intel_i965_mask_memory,
         .masks                  = intel_i810_masks,
         .agp_enable             = intel_fake_agp_enable,
@@ -1537,7 +1542,7 @@ static const struct agp_bridge_driver intel_gen6_driver = {
         .needs_scratch_page     = true,
         .configure              = intel_i9xx_configure,
         .fetch_size             = intel_fake_agp_fetch_size,
-        .cleanup                = intel_i915_cleanup,
+        .cleanup                = intel_gtt_cleanup,
         .mask_memory            = intel_gen6_mask_memory,
         .masks                  = intel_gen6_masks,
         .agp_enable             = intel_fake_agp_enable,
@@ -1570,7 +1575,7 @@ static const struct agp_bridge_driver intel_g33_driver = {
         .needs_scratch_page     = true,
         .configure              = intel_i9xx_configure,
         .fetch_size             = intel_fake_agp_fetch_size,
-        .cleanup                = intel_i915_cleanup,
+        .cleanup                = intel_gtt_cleanup,
         .mask_memory            = intel_i965_mask_memory,
         .masks                  = intel_i810_masks,
         .agp_enable             = intel_fake_agp_enable,