WebSVN – HelenOS – Diff – /branches/dynload/kernel/arch/sparc64/src/drivers/scr.c

 /*
  * Copyright (c) 2006 Jakub Jermar
  * All rights reserved.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
+ *
  * - Redistributions of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
  * - Redistributions in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
  * - The name of the author may not be used to endorse or promote products
  *   derived from this software without specific prior written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 /** @addtogroup sparc64
  * @{
  */
 /** @file
  */
 #include <arch/drivers/scr.h>
 #include <genarch/ofw/ofw_tree.h>
 #include <genarch/fb/fb.h>
 #include <genarch/fb/visuals.h>
 #include <arch/types.h>
 #include <func.h>
 #include <align.h>
 #include <print.h>
 #define FFB_REG_24BPP   7
 scr_type_t scr_type = SCR_UNKNOWN;
 /** Initialize screen.
+ *
  * Traverse OpenFirmware device tree in order to find necessary
  * info about the screen device.
+ *
  * @param node Screen device node.
  */
 void scr_init(ofw_tree_node_t *node)
+{
     ofw_tree_property_t *prop;
+    ofw_pci_reg_t *pci_reg;
+    ofw_pci_reg_t pci_abs_reg;
+    ofw_upa_reg_t *upa_reg;
+    ofw_sbus_reg_t *sbus_reg;
     const char *name;
     name = ofw_tree_node_name(node);
     if (strcmp(name, "SUNW,m64B") == 0)
         scr_type = SCR_ATYFB;
+    else if (strcmp(name, "SUNW,XVR-100") == 0)
+        scr_type = SCR_XVR;
     else if (strcmp(name, "SUNW,ffb") == 0)
         scr_type = SCR_FFB;
     else if (strcmp(name, "cgsix") == 0)
         scr_type = SCR_CGSIX;
     if (scr_type == SCR_UNKNOWN) {
-        printf("Unknown keyboard device.\n");
+        printf("Unknown screen device.\n");
         return;
+    }
     uintptr_t fb_addr;
     uint32_t fb_width = 0;
     uint32_t fb_height = 0;
     uint32_t fb_depth = 0;
     uint32_t fb_linebytes = 0;
     uint32_t fb_scanline = 0;
     unsigned int visual;
     prop = ofw_tree_getprop(node, "width");
     if (prop && prop->value)
         fb_width = *((uint32_t *) prop->value);
     prop = ofw_tree_getprop(node, "height");
     if (prop && prop->value)
         fb_height = *((uint32_t *) prop->value);
     prop = ofw_tree_getprop(node, "depth");
     if (prop && prop->value)
         fb_depth = *((uint32_t *) prop->value);
     prop = ofw_tree_getprop(node, "linebytes");
     if (prop && prop->value)
         fb_linebytes = *((uint32_t *) prop->value);
     prop = ofw_tree_getprop(node, "reg");
     if (!prop)
         panic("Can't find \"reg\" property.\n");
     switch (scr_type) {
     case SCR_ATYFB:
         if (prop->size / sizeof(ofw_pci_reg_t) < 2) {
             printf("Too few screen registers.\n");
             return;
+        }
-        ofw_pci_reg_t *fb_reg = &((ofw_pci_reg_t *) prop->value)[1];
+        pci_reg = &((ofw_pci_reg_t *) prop->value)[1];
-        ofw_pci_reg_t abs_reg;
-        if (!ofw_pci_reg_absolutize(node, fb_reg, &abs_reg)) {
+        if (!ofw_pci_reg_absolutize(node, pci_reg, &pci_abs_reg)) {
             printf("Failed to absolutize fb register.\n");
             return;
+        }
-        if (!ofw_pci_apply_ranges(node->parent, &abs_reg , &fb_addr)) {
+        if (!ofw_pci_apply_ranges(node->parent, &pci_abs_reg,
+            &fb_addr)) {
             printf("Failed to determine screen address.\n");
             return;
+        }
         switch (fb_depth) {
         case 8:
             fb_scanline = fb_linebytes * (fb_depth >> 3);
             visual = VISUAL_INDIRECT_8;
             break;
         case 16:
             fb_scanline = fb_linebytes * (fb_depth >> 3);
             visual = VISUAL_RGB_5_6_5;
             break;
         case 24:
             fb_scanline = fb_linebytes * 4;
             visual = VISUAL_RGB_8_8_8_0;
             break;
         case 32:
             fb_scanline = fb_linebytes * (fb_depth >> 3);
             visual = VISUAL_RGB_0_8_8_8;
             break;
         default:
             printf("Unsupported bits per pixel.\n");
             return;
+        }
         break;
+    case SCR_XVR:
+        if (prop->size / sizeof(ofw_pci_reg_t) < 2) {
+            printf("Too few screen registers.\n");
+            return;
+        }
+        pci_reg = &((ofw_pci_reg_t *) prop->value)[1];
+        if (!ofw_pci_reg_absolutize(node, pci_reg, &pci_abs_reg)) {
+            printf("Failed to absolutize fb register.\n");
+            return;
+        }
+        if (!ofw_pci_apply_ranges(node->parent, &pci_abs_reg,
+            &fb_addr)) {
+            printf("Failed to determine screen address.\n");
+            return;
+        }
+        switch (fb_depth) {
+        case 8:
+            fb_scanline = fb_linebytes * (fb_depth >> 3);
+            visual = VISUAL_SB1500_PALETTE;
+            break;
+        case 16:
+            fb_scanline = fb_linebytes * (fb_depth >> 3);
+            visual = VISUAL_RGB_5_6_5;
+            break;
+        case 24:
+            fb_scanline = fb_linebytes * 4;
+            visual = VISUAL_RGB_8_8_8_0;
+            break;
+        case 32:
+            fb_scanline = fb_linebytes * (fb_depth >> 3);
+            visual = VISUAL_RGB_0_8_8_8;
+            break;
+        default:
+            printf("Unsupported bits per pixel.\n");
+            return;
+        }
+        break;
     case SCR_FFB:
         fb_scanline = 8192;
         visual = VISUAL_BGR_0_8_8_8;
-        ofw_upa_reg_t *reg = &((ofw_upa_reg_t *) prop->value)[FFB_REG_24BPP];
+        upa_reg = &((ofw_upa_reg_t *) prop->value)[FFB_REG_24BPP];
-        if (!ofw_upa_apply_ranges(node->parent, reg, &fb_addr)) {
+        if (!ofw_upa_apply_ranges(node->parent, upa_reg, &fb_addr)) {
             printf("Failed to determine screen address.\n");
             return;
+        }
         break;
     case SCR_CGSIX:
         switch (fb_depth) {
         case 8:
             fb_scanline = fb_linebytes;
             visual = VISUAL_INDIRECT_8;
             break;
         default:
             printf("Not implemented.\n");
             return;
+        }
-        ofw_sbus_reg_t *cg6_reg = &((ofw_sbus_reg_t *) prop->value)[0];
+        sbus_reg = &((ofw_sbus_reg_t *) prop->value)[0];
-        if (!ofw_sbus_apply_ranges(node->parent, cg6_reg, &fb_addr)) {
+        if (!ofw_sbus_apply_ranges(node->parent, sbus_reg, &fb_addr)) {
             printf("Failed to determine screen address.\n");
             return;
+        }
         break;
     default:
         panic("Unexpected type.\n");
+    }
+    fb_properties_t props = {
+        .addr = fb_addr,
+        .offset = 0,
+        .x = fb_width,
+        .y = fb_height,
-    fb_init(fb_addr, fb_width, fb_height, fb_scanline, visual);
+        .scan = fb_scanline,
+        .visual = visual,
+    };
+    fb_init(&props);
+}
 /** @}
  */

Subversion Repositories HelenOS

(root)/branches/dynload/kernel/arch/sparc64/src/drivers/scr.c – Rev 2927 → 3674