1eddd19d0c
AFB Graphics Accelerators aka Sun Microsystems Elite 3D. The microcode is necessary if you want to run XFree86 with acceleration on these cards. The microcode in itself has to be obtained from an existing SunOS/Solaris installation. Submitted by: Marius Strobl <marius@alchemy.franken.de>
93 lines
3.2 KiB
C
93 lines
3.2 KiB
C
This patch is based on code marked:
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/*
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* Creator, Creator3D and Elite3D framebuffer driver.
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*
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* Copyright (C) 2000 Jakub Jelinek (jakub@redhat.com)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* JAKUB JELINEK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/* XFree86: xc/programs/Xserver/hw/xfree86/drivers/sunffb/ffb_driver.c,v 1.11 2002/12/06 02:44:04 tsi Exp */
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--- afbinit.c.orig Fri Nov 30 03:04:21 2001
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+++ afbinit.c Mon Sep 15 17:33:19 2003
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@@ -184,7 +184,7 @@
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static void usage(char *me)
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{
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- printf("Usage: %s /dev/fb[0123] [ucode_file]\n", me);
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+ printf("Usage: %s /dev/fb[0-7] [ucode_file]\n", me);
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exit(1);
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}
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@@ -193,13 +193,14 @@
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struct afb_ucode_header {
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char ident[8];
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unsigned int ucode_words;
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- unsigned int __unused[2];
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+ unsigned int unused[2];
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} ucheader;
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unsigned int *ucode;
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int afb_fd, ucode_fd, ucode_version;
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void *uregs, *kregs;
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char *afb_fname;
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char *ucode_fname = UCODE_FILE;
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+ unsigned int fem;
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if(argc != 2 && argc != 3)
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usage(argp[0]);
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@@ -222,7 +223,7 @@
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perror("Read UCODE header");
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exit(1);
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}
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- ucode = (unsigned int *)malloc(ucheader.ucode_words << 2);
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+ ucode = (unsigned int *)(uintptr_t)malloc(ucheader.ucode_words << 2);
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if(ucode == NULL) {
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fprintf(stderr, "Cannot malloc %d bytes for UCODE.\n",
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ucheader.ucode_words << 2);
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@@ -254,14 +255,26 @@
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exit(1);
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}
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- /* Say what UCODE version we are loading. */
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+ fem = (*((volatile unsigned int *)AFB_UREG_FEM(uregs))) & 0x7f;
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+ if (fem == 0x07 || fem == 0x3f) {
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+ fprintf(stderr, "%s: Elite3D/M%s microcode already loaded.\n",
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+ afb_fname, fem == 0x07 ? "3" : "6");
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+ exit(1);
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+ }
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+ if (fem != 0x01) {
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+ fprintf(stderr, "%s: Not an AFB board.\n", afb_fname);
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+ exit(1);
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+ }
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+
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+ printf("%s: Loading microcode...\n", afb_fname);
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+ afb_ucode_upload((char *)ucode, ucheader.ucode_words / 16, uregs,
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+ kregs);
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ucode_version = *(ucode + (0x404 / sizeof(unsigned int)));
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- printf("Revision-%d.%d.%d ",
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+ printf("%s: Elite3D/M%s microcode revision %d.%d.%d loaded.\n",
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+ afb_fname, fem == 0x07 ? "3" : "6",
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(ucode_version >> 16) & 0xff,
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(ucode_version >> 8) & 0xff,
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(ucode_version >> 0) & 0xff);
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-
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- afb_ucode_upload((char *)ucode, ucheader.ucode_words / 16, uregs, kregs);
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munmap(kregs, 0x2000);
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munmap(uregs, 0x2000);
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