[PATCH] intelfb: extend partial support of i915G to include i915GM

[safe/jmp/linux-2.6] / drivers / video / intelfb / intelfbdrv.c

diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c
index 7a5750b..e6d75b9 100644 (file)
--- a/drivers/video/intelfb/intelfbdrv.c
+++ b/drivers/video/intelfb/intelfbdrv.c
@@ -1,7 +1,7 @@
 /*
  * intelfb
  *
- * Linux framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G
+ * Linux framebuffer driver for Intel(R) 830M/845G/852GM/855GM/865G/915G/915GM
  * integrated graphics chips.
  *
  * Copyright © 2002, 2003 David Dawes <dawes@xfree86.org>
@@ -117,14 +117,10 @@
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/fb.h>
-#include <linux/console.h>
-#include <linux/selection.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/vmalloc.h>
-#include <linux/kd.h>
-#include <linux/vt_kern.h>
 #include <linux/pagemap.h>
 #include <linux/version.h>
 
@@ -190,6 +186,7 @@ static struct pci_device_id intelfb_pci_table[] __devinitdata = {
        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_85XGM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_85XGM },
        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_865G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_865G },
        { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_915G, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_915G },
+       { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_915GM, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, INTELFB_CLASS_MASK, INTEL_915GM },
        { 0, }
 };
 
@@ -230,7 +227,7 @@ MODULE_DEVICE_TABLE(pci, intelfb_pci_table);
 
 static int accel        = 1;
 static int vram         = 4;
-static int hwcursor     = 1;
+static int hwcursor     = 0;
 static int mtrr         = 1;
 static int fixed        = 0;
 static int noinit       = 0;
@@ -242,7 +239,7 @@ static int voffset  = 48;
 static char *mode       = NULL;
 
 module_param(accel, bool, S_IRUGO);
-MODULE_PARM_DESC(accel, "Enable console acceleration");
+MODULE_PARM_DESC(accel, "Enable hardware acceleration");
 module_param(vram, int, S_IRUGO);
 MODULE_PARM_DESC(vram, "System RAM to allocate to framebuffer in MiB");
 module_param(voffset, int, S_IRUGO);
@@ -498,7 +495,7 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
        struct fb_info *info;
        struct intelfb_info *dinfo;
-       int i, j, err, dvo;
+       int i, err, dvo;
        int aperture_size, stolen_size;
        struct agp_kern_info gtt_info;
        int agp_memtype;
@@ -553,10 +550,11 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
        }
 
        /* Set base addresses. */
-       if (ent->device == PCI_DEVICE_ID_INTEL_915G) {
+       if ((ent->device == PCI_DEVICE_ID_INTEL_915G) ||
+                       (ent->device == PCI_DEVICE_ID_INTEL_915GM)) {
                aperture_bar = 2;
                mmio_bar = 0;
-               /* Disable HW cursor on 915G (not implemented yet) */
+               /* Disable HW cursor on 915G/M (not implemented yet) */
                hwcursor = 0;
        }
        dinfo->aperture.physical = pci_resource_start(pdev, aperture_bar);
@@ -583,23 +581,6 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
                return -ENODEV;
        }
 
-       /* Map the fb and MMIO regions */
-       dinfo->aperture.virtual = (u8 __iomem *)ioremap_nocache
-               (dinfo->aperture.physical, dinfo->aperture.size);
-       if (!dinfo->aperture.virtual) {
-               ERR_MSG("Cannot remap FB region.\n");
-               cleanup(dinfo);
-               return -ENODEV;
-       }
-       dinfo->mmio_base =
-               (u8 __iomem *)ioremap_nocache(dinfo->mmio_base_phys,
-                                              INTEL_REG_SIZE);
-       if (!dinfo->mmio_base) {
-               ERR_MSG("Cannot remap MMIO region.\n");
-               cleanup(dinfo);
-               return -ENODEV;
-       }
-
        /* Get the chipset info. */
        dinfo->pci_chipset = pdev->device;
 
@@ -683,6 +664,26 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
        }
 
        /* Allocate memories (which aren't stolen) */
+       /* Map the fb and MMIO regions */
+       /* ioremap only up to the end of used aperture */
+       dinfo->aperture.virtual = (u8 __iomem *)ioremap_nocache
+               (dinfo->aperture.physical, ((offset + dinfo->fb.offset) << 12)
+                + dinfo->fb.size);
+       if (!dinfo->aperture.virtual) {
+               ERR_MSG("Cannot remap FB region.\n");
+               cleanup(dinfo);
+               return -ENODEV;
+       }
+
+       dinfo->mmio_base =
+               (u8 __iomem *)ioremap_nocache(dinfo->mmio_base_phys,
+                                              INTEL_REG_SIZE);
+       if (!dinfo->mmio_base) {
+               ERR_MSG("Cannot remap MMIO region.\n");
+               cleanup(dinfo);
+               return -ENODEV;
+       }
+
        if (dinfo->accel) {
                if (!(dinfo->gtt_ring_mem =
                      agp_allocate_memory(bridge, dinfo->ring.size >> 12,
@@ -841,13 +842,6 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
        if (bailearly == 5)
                bailout(dinfo);
 
-       for (i = 0; i < 16; i++) {
-               j = color_table[i];
-               dinfo->palette[i].red = default_red[j];
-               dinfo->palette[i].green = default_grn[j];
-               dinfo->palette[i].blue = default_blu[j];
-       }
-
        if (bailearly == 6)
                bailout(dinfo);
 
@@ -1091,6 +1085,7 @@ intelfb_set_fbinfo(struct intelfb_info *dinfo)
 
        info->pixmap.size = 64*1024;
        info->pixmap.buf_align = 8;
+       info->pixmap.access_align = 32;
        info->pixmap.flags = FB_PIXMAP_SYSTEM;
 
        if (intelfb_init_var(dinfo))
@@ -1301,7 +1296,7 @@ intelfb_set_par(struct fb_info *info)
 
        intelfb_blank(FB_BLANK_POWERDOWN, info);
 
-       if (dinfo->accel)
+       if (ACCEL(dinfo, info))
                intelfbhw_2d_stop(dinfo);
 
        memcpy(hw, &dinfo->save_state, sizeof(*hw));
@@ -1317,7 +1312,7 @@ intelfb_set_par(struct fb_info *info)
 
        update_dinfo(dinfo, &info->var);
 
-       if (dinfo->accel)
+       if (ACCEL(dinfo, info))
                intelfbhw_2d_start(dinfo);
 
        intelfb_pan_display(&info->var, info);
@@ -1358,10 +1353,6 @@ intelfb_setcolreg(unsigned regno, unsigned red, unsigned green,
                        green >>= 8;
                        blue >>= 8;
 
-                       dinfo->palette[regno].red = red;
-                       dinfo->palette[regno].green = green;
-                       dinfo->palette[regno].blue = blue;
-
                        intelfbhw_setcolreg(dinfo, regno, red, green, blue,
                                            transp);
                }