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[linux-2.6.git] / drivers / video / aty / radeon_monitor.c

diff --git a/drivers/video/aty/radeon_monitor.c b/drivers/video/aty/radeon_monitor.c
index f55f863..e6c0164 100644 (file)
--- a/drivers/video/aty/radeon_monitor.c
+++ b/drivers/video/aty/radeon_monitor.c
@@ -7,25 +7,10 @@
 #endif /* CONFIG_PPC_OF */
 
 static struct fb_var_screeninfo radeonfb_default_var = {
-       .xres           = 640,
-       .yres           = 480,
-       .xres_virtual   = 640,
-       .yres_virtual   = 480,
-       .bits_per_pixel = 8,
-       .red            = { .length = 8 },
-       .green          = { .length = 8 },
-       .blue           = { .length = 8 },
-       .activate       = FB_ACTIVATE_NOW,
-       .height         = -1,
-       .width          = -1,
-       .pixclock       = 39721,
-       .left_margin    = 40,
-       .right_margin   = 24,
-       .upper_margin   = 32,
-       .lower_margin   = 11,
-       .hsync_len      = 96,
-       .vsync_len      = 2,
-       .vmode          = FB_VMODE_NONINTERLACED
+        640, 480, 640, 480, 0, 0, 8, 0,
+        {0, 6, 0}, {0, 6, 0}, {0, 6, 0}, {0, 0, 0},
+        0, 0, -1, -1, 0, 39721, 40, 24, 32, 11, 96, 2,
+        0, FB_VMODE_NONINTERLACED
 };
 
 static char *radeon_get_mon_name(int type)
@@ -84,12 +69,11 @@ static int __devinit radeon_parse_montype_prop(struct device_node *dp, u8 **out_
                mt = MT_DFP;
        else if (!strcmp(pmt, "CRT"))
                mt = MT_CRT;
-       else {
-               if (strcmp(pmt, "NONE") != 0)
-                       printk(KERN_WARNING "radeonfb: Unknown OF display-type: %s\n",
-                              pmt);
+       else if (strcmp(pmt, "NONE")) {
+               printk(KERN_WARNING "radeonfb: Unknown OF display-type: %s\n", pmt);
+               return MT_NONE;
+       } else
                return MT_NONE;
-       }
 
        for (i = 0; propnames[i] != NULL; ++i) {
                pedid = (u8 *)get_property(dp, propnames[i], NULL);
@@ -648,25 +632,43 @@ void __devinit radeon_probe_screens(struct radeonfb_info *rinfo,
  */
 static void radeon_fixup_panel_info(struct radeonfb_info *rinfo)
 {
- #ifdef CONFIG_PPC_OF
        /*
-        * LCD Flat panels should use fixed dividers, we enfore that on
-        * PowerMac only for now...
+        * A few iBook laptop panels seem to need a fixed PLL setting
+        *
+        * We should probably do this differently based on the panel
+        * type/model or eventually some other device-tree informations,
+        * but these tweaks below work enough for now. --BenH
         */
-       if (!rinfo->panel_info.use_bios_dividers && rinfo->mon1_type == MT_LCD
-           && rinfo->is_mobility) {
-               int ppll_div_sel = INREG8(CLOCK_CNTL_INDEX + 1) & 0x3;
-               u32 ppll_divn = INPLL(PPLL_DIV_0 + ppll_div_sel);
+#ifdef CONFIG_PPC_OF
+       /* iBook2's */
+       if (machine_is_compatible("PowerBook4,3")) {
                rinfo->panel_info.ref_divider = rinfo->pll.ref_div;
-               rinfo->panel_info.fbk_divider = ppll_divn & 0x7ff;
-               rinfo->panel_info.post_divider = (ppll_divn >> 16) & 0x7;
+               rinfo->panel_info.post_divider = 0x6;
+               rinfo->panel_info.fbk_divider = 0xad;
+               rinfo->panel_info.use_bios_dividers = 1;
+       }
+       /* Aluminium PowerBook 15" */
+       if (machine_is_compatible("PowerBook5,4")) {
+               rinfo->panel_info.ref_divider = rinfo->pll.ref_div;
+               rinfo->panel_info.post_divider = 0x2;
+               rinfo->panel_info.fbk_divider = 0x8e;
+               rinfo->panel_info.use_bios_dividers = 1;
+       }
+       /* Aluminium PowerBook 17" */
+       if (machine_is_compatible("PowerBook5,3") ||
+           machine_is_compatible("PowerBook5,5")) {
+               rinfo->panel_info.ref_divider = rinfo->pll.ref_div;
+               rinfo->panel_info.post_divider = 0x4;
+               rinfo->panel_info.fbk_divider = 0x80;
+               rinfo->panel_info.use_bios_dividers = 1;
+       }
+       /* iBook G4 */
+        if (machine_is_compatible("PowerBook6,3") ||
+            machine_is_compatible("PowerBook6,5")) {
+               rinfo->panel_info.ref_divider = rinfo->pll.ref_div;
+               rinfo->panel_info.post_divider = 0x6;
+               rinfo->panel_info.fbk_divider = 0xad;
                rinfo->panel_info.use_bios_dividers = 1;
-
-               printk(KERN_DEBUG "radeonfb: Using Firmware dividers 0x%08x "
-                      "from PPLL %d\n",
-                      rinfo->panel_info.fbk_divider |
-                      (rinfo->panel_info.post_divider << 16),
-                      ppll_div_sel);
        }
 #endif /* CONFIG_PPC_OF */
 }