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macfb: cleanup
Cleanup whitespace and code style. Remove unused #includes and prototypes. Remove obsolete, redundant or misleading comments. Remove dead code and redundant initialisers. Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
This commit is contained in:
Finn Thain
Geert Uytterhoeven
parent
1bb63845d1
commit
34c41d0ab8
@ -1,29 +1,33 @@
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/* macfb.c: Generic framebuffer for Macs whose colourmaps/modes we
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don't know how to set */
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/* (c) 1999 David Huggins-Daines <dhd@debian.org>
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Primarily based on vesafb.c, by Gerd Knorr
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(c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
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Also uses information and code from:
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The original macfb.c from Linux/mac68k 2.0, by Alan Cox, Juergen
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Mellinger, Mikael Forselius, Michael Schmitz, and others.
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valkyriefb.c, by Martin Costabel, Kevin Schoedel, Barry Nathan, Dan
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Jacobowitz, Paul Mackerras, Fabio Riccardi, and Geert Uytterhoeven.
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This code is free software. You may copy, modify, and distribute
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it subject to the terms and conditions of the GNU General Public
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License, version 2, or any later version, at your convenience. */
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/*
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* macfb.c: Generic framebuffer for Macs whose colourmaps/modes we
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* don't know how to set.
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*
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* (c) 1999 David Huggins-Daines <dhd@debian.org>
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*
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* Primarily based on vesafb.c, by Gerd Knorr
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* (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de>
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*
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* Also uses information and code from:
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*
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* The original macfb.c from Linux/mac68k 2.0, by Alan Cox, Juergen
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* Mellinger, Mikael Forselius, Michael Schmitz, and others.
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*
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* valkyriefb.c, by Martin Costabel, Kevin Schoedel, Barry Nathan, Dan
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* Jacobowitz, Paul Mackerras, Fabio Riccardi, and Geert Uytterhoeven.
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*
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* The VideoToolbox "Bugs" web page at
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* http://rajsky.psych.nyu.edu/Tips/VideoBugs.html
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*
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* This code is free software. You may copy, modify, and distribute
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* it subject to the terms and conditions of the GNU General Public
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* License, version 2, or any later version, at your convenience.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/errno.h>
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#include <linux/string.h>
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#include <linux/mm.h>
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#include <linux/slab.h>
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#include <linux/delay.h>
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#include <linux/nubus.h>
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#include <linux/init.h>
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@ -31,9 +35,6 @@
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#include <asm/setup.h>
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#include <asm/bootinfo.h>
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#include <asm/uaccess.h>
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#include <asm/pgtable.h>
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#include <asm/irq.h>
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#include <asm/macintosh.h>
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#include <asm/io.h>
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@ -44,7 +45,7 @@
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#define DAFB_BASE 0xf9800200
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/* Address for the built-in Civic framebuffer in Quadra AVs */
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#define CIVIC_BASE 0x50f30800 /* Only tested on 660AV! */
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#define CIVIC_BASE 0x50f30800
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/* GSC (Gray Scale Controller) base address */
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#define GSC_BASE 0x50F20000
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@ -52,27 +53,9 @@
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/* CSC (Color Screen Controller) base address */
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#define CSC_BASE 0x50F20000
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static int (*macfb_setpalette) (unsigned int regno, unsigned int red,
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static int (*macfb_setpalette)(unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *info) = NULL;
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static int dafb_setpalette (unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *fb_info);
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static int rbv_setpalette (unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *fb_info);
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static int mdc_setpalette (unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *fb_info);
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static int toby_setpalette (unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *fb_info);
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static int civic_setpalette (unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *fb_info);
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static int csc_setpalette (unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *fb_info);
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struct fb_info *info);
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static struct {
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unsigned char addr;
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@ -114,7 +97,7 @@ static struct {
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unsigned char clut_raddr; /* 0x46 */
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} __iomem *csc_cmap_regs;
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/* We will leave these the way they are for the time being */
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/* The registers in these structs are in NuBus slot space */
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struct mdc_cmap_regs {
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char pad1[0x200200];
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unsigned char addr;
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@ -137,7 +120,6 @@ struct jet_cmap_regs {
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#define PIXEL_TO_MM(a) (((a)*10)/28) /* width in mm at 72 dpi */
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/* mode */
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static int video_slot = 0;
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static struct fb_var_screeninfo macfb_defined = {
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@ -159,19 +141,19 @@ static struct fb_fix_screeninfo macfb_fix = {
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static struct fb_info fb_info;
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static u32 pseudo_palette[16];
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static int inverse = 0;
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static int vidtest = 0;
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static int inverse;
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static int vidtest;
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/* Unlike the Valkyrie, the DAFB cannot set individual colormap
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registers. Therefore, we do what the MacOS driver does (no
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kidding!) and simply set them one by one until we hit the one we
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want. */
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static int dafb_setpalette (unsigned int regno, unsigned int red,
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/*
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* Unlike the Valkyrie, the DAFB cannot set individual colormap
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* registers. Therefore, we do what the MacOS driver does (no
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* kidding!) and simply set them one by one until we hit the one we
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* want.
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*/
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static int dafb_setpalette(unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *info)
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{
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/* FIXME: really, really need to use ioremap() here,
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phys_to_virt() doesn't work anymore */
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static int lastreg = -1;
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unsigned long flags;
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@ -181,9 +163,11 @@ static int dafb_setpalette (unsigned int regno, unsigned int red,
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local_irq_save(flags);
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/* fbdev will set an entire colourmap, but X won't. Hopefully
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this should accommodate both of them */
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if (regno != lastreg+1) {
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/*
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* fbdev will set an entire colourmap, but X won't. Hopefully
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* this should accommodate both of them
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*/
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if (regno != lastreg + 1) {
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int i;
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/* Stab in the dark trying to reset the CLUT pointer */
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@ -192,11 +176,14 @@ static int dafb_setpalette (unsigned int regno, unsigned int red,
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/* Loop until we get to the register we want */
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for (i = 0; i < regno; i++) {
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nubus_writeb(info->cmap.red[i] >> 8, &dafb_cmap_regs->lut);
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nubus_writeb(info->cmap.red[i] >> 8,
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&dafb_cmap_regs->lut);
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nop();
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nubus_writeb(info->cmap.green[i] >> 8, &dafb_cmap_regs->lut);
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nubus_writeb(info->cmap.green[i] >> 8,
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&dafb_cmap_regs->lut);
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nop();
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nubus_writeb(info->cmap.blue[i] >> 8, &dafb_cmap_regs->lut);
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nubus_writeb(info->cmap.blue[i] >> 8,
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&dafb_cmap_regs->lut);
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nop();
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}
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}
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@ -213,7 +200,7 @@ static int dafb_setpalette (unsigned int regno, unsigned int red,
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}
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/* V8 and Brazil seem to use the same DAC. Sonora does as well. */
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static int v8_brazil_setpalette (unsigned int regno, unsigned int red,
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static int v8_brazil_setpalette(unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *info)
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{
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@ -224,31 +211,34 @@ static int v8_brazil_setpalette (unsigned int regno, unsigned int red,
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unsigned char _regno;
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unsigned long flags;
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if (bpp > 8) return 1; /* failsafe */
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if (bpp > 8)
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return 1; /* failsafe */
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local_irq_save(flags);
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/* On these chips, the CLUT register numbers are spread out
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across the register space. Thus:
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In 8bpp, all regnos are valid.
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In 4bpp, the regnos are 0x0f, 0x1f, 0x2f, etc, etc
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In 2bpp, the regnos are 0x3f, 0x7f, 0xbf, 0xff */
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* across the register space. Thus:
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* In 8bpp, all regnos are valid.
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* In 4bpp, the regnos are 0x0f, 0x1f, 0x2f, etc, etc
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* In 2bpp, the regnos are 0x3f, 0x7f, 0xbf, 0xff
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*/
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_regno = (regno << (8 - bpp)) | (0xFF >> bpp);
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nubus_writeb(_regno, &v8_brazil_cmap_regs->addr); nop();
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nubus_writeb(_regno, &v8_brazil_cmap_regs->addr);
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nop();
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/* send one color channel at a time */
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nubus_writeb(_red, &v8_brazil_cmap_regs->lut); nop();
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nubus_writeb(_green, &v8_brazil_cmap_regs->lut); nop();
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nubus_writeb(_red, &v8_brazil_cmap_regs->lut);
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nop();
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nubus_writeb(_green, &v8_brazil_cmap_regs->lut);
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nop();
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nubus_writeb(_blue, &v8_brazil_cmap_regs->lut);
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local_irq_restore(flags);
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return 0;
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}
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static int rbv_setpalette (unsigned int regno, unsigned int red,
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/* RAM-Based Video */
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static int rbv_setpalette(unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *info)
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{
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@ -259,7 +249,8 @@ static int rbv_setpalette (unsigned int regno, unsigned int red,
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unsigned char _regno;
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unsigned long flags;
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if (info->var.bits_per_pixel > 8) return 1; /* failsafe */
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if (info->var.bits_per_pixel > 8)
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return 1; /* failsafe */
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local_irq_save(flags);
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@ -270,21 +261,25 @@ static int rbv_setpalette (unsigned int regno, unsigned int red,
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_regno = regno + (256-(1 << info->var.bits_per_pixel));
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/* reset clut? (VideoToolbox sez "not necessary") */
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nubus_writeb(0xFF, &rbv_cmap_regs->cntl); nop();
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nubus_writeb(0xFF, &rbv_cmap_regs->cntl);
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nop();
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/* tell clut which address to use. */
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nubus_writeb(_regno, &rbv_cmap_regs->addr); nop();
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nubus_writeb(_regno, &rbv_cmap_regs->addr);
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nop();
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/* send one color channel at a time. */
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nubus_writeb(_red, &rbv_cmap_regs->lut); nop();
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nubus_writeb(_green, &rbv_cmap_regs->lut); nop();
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nubus_writeb(_red, &rbv_cmap_regs->lut);
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nop();
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nubus_writeb(_green, &rbv_cmap_regs->lut);
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nop();
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nubus_writeb(_blue, &rbv_cmap_regs->lut);
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local_irq_restore(flags); /* done. */
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local_irq_restore(flags);
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return 0;
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}
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/* Macintosh Display Card (8x24) */
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/* Macintosh Display Card (8*24) */
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static int mdc_setpalette(unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *info)
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@ -301,9 +296,12 @@ static int mdc_setpalette(unsigned int regno, unsigned int red,
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local_irq_save(flags);
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/* the nop's are there to order writes. */
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nubus_writeb(_regno, &cmap_regs->addr); nop();
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nubus_writeb(_red, &cmap_regs->lut); nop();
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nubus_writeb(_green, &cmap_regs->lut); nop();
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nubus_writeb(_regno, &cmap_regs->addr);
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nop();
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nubus_writeb(_red, &cmap_regs->lut);
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nop();
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nubus_writeb(_green, &cmap_regs->lut);
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nop();
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nubus_writeb(_blue, &cmap_regs->lut);
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local_irq_restore(flags);
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@ -327,9 +325,12 @@ static int toby_setpalette(unsigned int regno, unsigned int red,
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local_irq_save(flags);
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nubus_writeb(_regno, &cmap_regs->addr); nop();
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nubus_writeb(_red, &cmap_regs->lut); nop();
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nubus_writeb(_green, &cmap_regs->lut); nop();
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nubus_writeb(_regno, &cmap_regs->addr);
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nop();
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nubus_writeb(_red, &cmap_regs->lut);
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nop();
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nubus_writeb(_green, &cmap_regs->lut);
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nop();
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nubus_writeb(_blue, &cmap_regs->lut);
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local_irq_restore(flags);
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@ -351,9 +352,12 @@ static int jet_setpalette(unsigned int regno, unsigned int red,
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local_irq_save(flags);
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nubus_writeb(regno, &cmap_regs->addr); nop();
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nubus_writeb(_red, &cmap_regs->lut); nop();
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nubus_writeb(_green, &cmap_regs->lut); nop();
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nubus_writeb(regno, &cmap_regs->addr);
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nop();
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nubus_writeb(_red, &cmap_regs->lut);
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nop();
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nubus_writeb(_green, &cmap_regs->lut);
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nop();
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nubus_writeb(_blue, &cmap_regs->lut);
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local_irq_restore(flags);
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@ -368,18 +372,16 @@ static int jet_setpalette(unsigned int regno, unsigned int red,
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* input and viewing the screen at the same time! The 840AV
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* Can add another 1MB RAM to give the two framebuffers
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* 1MB RAM apiece.
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*
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* FIXME: this doesn't seem to work anymore.
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*/
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static int civic_setpalette (unsigned int regno, unsigned int red,
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static int civic_setpalette(unsigned int regno, unsigned int red,
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unsigned int green, unsigned int blue,
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struct fb_info *info)
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{
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static int lastreg = -1;
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unsigned long flags;
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int clut_status;
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if (info->var.bits_per_pixel > 8) return 1; /* failsafe */
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if (info->var.bits_per_pixel > 8)
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return 1; /* failsafe */
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red >>= 8;
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green >>= 8;
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@ -387,29 +389,9 @@ static int civic_setpalette (unsigned int regno, unsigned int red,
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local_irq_save(flags);
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/*
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* Set the register address
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*/
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nubus_writeb(regno, &civic_cmap_regs->addr); nop();
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/*
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* Wait for VBL interrupt here;
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* They're usually not enabled from Penguin, so we won't check
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*/
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#if 0
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{
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#define CIVIC_VBL_OFFSET 0x120
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volatile unsigned long *vbl = nubus_readl(civic_cmap_regs->vbl_addr + CIVIC_VBL_OFFSET);
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/* do interrupt setup stuff here? */
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*vbl = 0L; nop(); /* clear */
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*vbl = 1L; nop(); /* set */
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while (*vbl != 0L) /* wait for next vbl */
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{
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usleep(10); /* needed? */
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}
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/* do interrupt shutdown stuff here? */
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}
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#endif
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/* Set the register address */
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nubus_writeb(regno, &civic_cmap_regs->addr);
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nop();
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/*
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* Grab a status word and do some checking;
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@ -422,39 +404,52 @@ static int civic_setpalette (unsigned int regno, unsigned int red,
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#if 0
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if ((clut_status & 0x000D) != 0)
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{
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nubus_writeb(0x00, &civic_cmap_regs->lut); nop();
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nubus_writeb(0x00, &civic_cmap_regs->lut); nop();
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nubus_writeb(0x00, &civic_cmap_regs->lut);
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nop();
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nubus_writeb(0x00, &civic_cmap_regs->lut);
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nop();
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}
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#endif
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nubus_writeb( red, &civic_cmap_regs->lut); nop();
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nubus_writeb(green, &civic_cmap_regs->lut); nop();
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nubus_writeb( blue, &civic_cmap_regs->lut); nop();
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nubus_writeb( 0x00, &civic_cmap_regs->lut); nop();
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nubus_writeb(red, &civic_cmap_regs->lut);
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nop();
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nubus_writeb(green, &civic_cmap_regs->lut);
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nop();
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nubus_writeb(blue, &civic_cmap_regs->lut);
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nop();
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nubus_writeb(0x00, &civic_cmap_regs->lut);
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}
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else
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{
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unsigned char junk;
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junk = nubus_readb(&civic_cmap_regs->lut); nop();
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junk = nubus_readb(&civic_cmap_regs->lut); nop();
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junk = nubus_readb(&civic_cmap_regs->lut); nop();
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||||
junk = nubus_readb(&civic_cmap_regs->lut); nop();
|
||||
junk = nubus_readb(&civic_cmap_regs->lut);
|
||||
nop();
|
||||
junk = nubus_readb(&civic_cmap_regs->lut);
|
||||
nop();
|
||||
junk = nubus_readb(&civic_cmap_regs->lut);
|
||||
nop();
|
||||
junk = nubus_readb(&civic_cmap_regs->lut);
|
||||
nop();
|
||||
|
||||
if ((clut_status & 0x000D) != 0)
|
||||
{
|
||||
nubus_writeb(0x00, &civic_cmap_regs->lut); nop();
|
||||
nubus_writeb(0x00, &civic_cmap_regs->lut); nop();
|
||||
nubus_writeb(0x00, &civic_cmap_regs->lut);
|
||||
nop();
|
||||
nubus_writeb(0x00, &civic_cmap_regs->lut);
|
||||
nop();
|
||||
}
|
||||
|
||||
nubus_writeb( red, &civic_cmap_regs->lut); nop();
|
||||
nubus_writeb(green, &civic_cmap_regs->lut); nop();
|
||||
nubus_writeb( blue, &civic_cmap_regs->lut); nop();
|
||||
nubus_writeb( junk, &civic_cmap_regs->lut); nop();
|
||||
nubus_writeb(red, &civic_cmap_regs->lut);
|
||||
nop();
|
||||
nubus_writeb(green, &civic_cmap_regs->lut);
|
||||
nop();
|
||||
nubus_writeb(blue, &civic_cmap_regs->lut);
|
||||
nop();
|
||||
nubus_writeb(junk, &civic_cmap_regs->lut);
|
||||
}
|
||||
|
||||
local_irq_restore(flags);
|
||||
lastreg = regno;
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -463,8 +458,7 @@ static int civic_setpalette (unsigned int regno, unsigned int red,
|
||||
* (and the 5300 too, but that's a PowerMac). This function
|
||||
* brought to you in part by the ECSC driver for MkLinux.
|
||||
*/
|
||||
|
||||
static int csc_setpalette (unsigned int regno, unsigned int red,
|
||||
static int csc_setpalette(unsigned int regno, unsigned int red,
|
||||
unsigned int green, unsigned int blue,
|
||||
struct fb_info *info)
|
||||
{
|
||||
@ -483,8 +477,8 @@ static int macfb_setcolreg(unsigned regno, unsigned red, unsigned green,
|
||||
/*
|
||||
* Set a single color register. The values supplied are
|
||||
* already rounded down to the hardware's capabilities
|
||||
* (according to the entries in the `var' structure). Return
|
||||
* != 0 for invalid regno.
|
||||
* (according to the entries in the `var' structure).
|
||||
* Return non-zero for invalid regno.
|
||||
*/
|
||||
|
||||
if (regno >= fb_info->cmap.len)
|
||||
@ -518,22 +512,16 @@ static int macfb_setcolreg(unsigned regno, unsigned red, unsigned green,
|
||||
} else {
|
||||
/* 0:5:6:5 */
|
||||
((u32*) (fb_info->pseudo_palette))[regno] =
|
||||
((red & 0xf800) ) |
|
||||
((red & 0xf800) >> 0) |
|
||||
((green & 0xfc00) >> 5) |
|
||||
((blue & 0xf800) >> 11);
|
||||
}
|
||||
break;
|
||||
/* I'm pretty sure that one or the other of these
|
||||
doesn't exist on 68k Macs */
|
||||
/*
|
||||
* 24-bit colour almost doesn't exist on 68k Macs --
|
||||
* http://support.apple.com/kb/TA28634 (Old Article: 10992)
|
||||
*/
|
||||
case 24:
|
||||
red >>= 8;
|
||||
green >>= 8;
|
||||
blue >>= 8;
|
||||
((u32 *)(fb_info->pseudo_palette))[regno] =
|
||||
(red << fb_info->var.red.offset) |
|
||||
(green << fb_info->var.green.offset) |
|
||||
(blue << fb_info->var.blue.offset);
|
||||
break;
|
||||
case 32:
|
||||
red >>= 8;
|
||||
green >>= 8;
|
||||
@ -565,13 +553,14 @@ static void __init macfb_setup(char *options)
|
||||
return;
|
||||
|
||||
while ((this_opt = strsep(&options, ",")) != NULL) {
|
||||
if (!*this_opt) continue;
|
||||
if (!*this_opt)
|
||||
continue;
|
||||
|
||||
if (! strcmp(this_opt, "inverse"))
|
||||
inverse=1;
|
||||
/* This means "turn on experimental CLUT code" */
|
||||
else if (!strcmp(this_opt, "vidtest"))
|
||||
vidtest=1;
|
||||
if (!strcmp(this_opt, "inverse"))
|
||||
inverse = 1;
|
||||
else
|
||||
if (!strcmp(this_opt, "vidtest"))
|
||||
vidtest = 1; /* enable experimental CLUT code */
|
||||
}
|
||||
}
|
||||
|
||||
@ -607,48 +596,52 @@ static int __init macfb_init(void)
|
||||
mac_bi_data.id == MAC_MODEL_P588)
|
||||
return -ENODEV; /* See valkyriefb.c */
|
||||
|
||||
/* There can only be one internal video controller anyway so
|
||||
we're not too worried about this */
|
||||
macfb_defined.xres = mac_bi_data.dimensions & 0xFFFF;
|
||||
macfb_defined.yres = mac_bi_data.dimensions >> 16;
|
||||
macfb_defined.bits_per_pixel = mac_bi_data.videodepth;
|
||||
|
||||
macfb_fix.line_length = mac_bi_data.videorow;
|
||||
macfb_fix.smem_len = macfb_fix.line_length * macfb_defined.yres;
|
||||
/* Note: physical address (since 2.1.127) */
|
||||
macfb_fix.smem_start = mac_bi_data.videoaddr;
|
||||
/* This is actually redundant with the initial mappings.
|
||||
However, there are some non-obvious aspects to the way
|
||||
those mappings are set up, so this is in fact the safest
|
||||
way to ensure that this driver will work on every possible
|
||||
Mac */
|
||||
|
||||
/*
|
||||
* This is actually redundant with the initial mappings.
|
||||
* However, there are some non-obvious aspects to the way
|
||||
* those mappings are set up, so this is in fact the safest
|
||||
* way to ensure that this driver will work on every possible Mac
|
||||
*/
|
||||
fb_info.screen_base = ioremap(mac_bi_data.videoaddr, macfb_fix.smem_len);
|
||||
|
||||
printk("macfb: framebuffer at 0x%08lx, mapped to 0x%p, size %dk\n",
|
||||
macfb_fix.smem_start, fb_info.screen_base, macfb_fix.smem_len/1024);
|
||||
macfb_fix.smem_start, fb_info.screen_base,
|
||||
macfb_fix.smem_len / 1024);
|
||||
printk("macfb: mode is %dx%dx%d, linelength=%d\n",
|
||||
macfb_defined.xres, macfb_defined.yres, macfb_defined.bits_per_pixel, macfb_fix.line_length);
|
||||
macfb_defined.xres, macfb_defined.yres,
|
||||
macfb_defined.bits_per_pixel, macfb_fix.line_length);
|
||||
|
||||
/*
|
||||
* Fill in the available video resolution
|
||||
*/
|
||||
|
||||
macfb_defined.xres_virtual = macfb_defined.xres;
|
||||
macfb_defined.yres_virtual = macfb_defined.yres;
|
||||
macfb_defined.height = PIXEL_TO_MM(macfb_defined.yres);
|
||||
macfb_defined.width = PIXEL_TO_MM(macfb_defined.xres);
|
||||
|
||||
printk("macfb: scrolling: redraw\n");
|
||||
macfb_defined.yres_virtual = macfb_defined.yres;
|
||||
|
||||
/* some dummy values for timing to make fbset happy */
|
||||
macfb_defined.pixclock = 10000000 / macfb_defined.xres * 1000 / macfb_defined.yres;
|
||||
macfb_defined.pixclock = 10000000 / macfb_defined.xres *
|
||||
1000 / macfb_defined.yres;
|
||||
macfb_defined.left_margin = (macfb_defined.xres / 8) & 0xf8;
|
||||
macfb_defined.hsync_len = (macfb_defined.xres / 8) & 0xf8;
|
||||
|
||||
switch (macfb_defined.bits_per_pixel) {
|
||||
case 1:
|
||||
/* XXX: I think this will catch any program that tries
|
||||
to do FBIO_PUTCMAP when the visual is monochrome */
|
||||
/*
|
||||
* XXX: I think this will catch any program that tries
|
||||
* to do FBIO_PUTCMAP when the visual is monochrome.
|
||||
*/
|
||||
macfb_defined.red.length = macfb_defined.bits_per_pixel;
|
||||
macfb_defined.green.length = macfb_defined.bits_per_pixel;
|
||||
macfb_defined.blue.length = macfb_defined.bits_per_pixel;
|
||||
@ -676,14 +669,14 @@ static int __init macfb_init(void)
|
||||
printk("macfb: directcolor: "
|
||||
"size=1:5:5:5, shift=15:10:5:0\n");
|
||||
video_cmap_len = 16;
|
||||
/* Should actually be FB_VISUAL_DIRECTCOLOR, but this
|
||||
works too */
|
||||
/*
|
||||
* Should actually be FB_VISUAL_DIRECTCOLOR, but this
|
||||
* works too
|
||||
*/
|
||||
macfb_fix.visual = FB_VISUAL_TRUECOLOR;
|
||||
break;
|
||||
case 24:
|
||||
case 32:
|
||||
/* XXX: have to test these... can any 68k Macs
|
||||
actually do this on internal video? */
|
||||
macfb_defined.red.offset = 16;
|
||||
macfb_defined.red.length = 8;
|
||||
macfb_defined.green.offset = 8;
|
||||
@ -697,18 +690,19 @@ static int __init macfb_init(void)
|
||||
default:
|
||||
video_cmap_len = 0;
|
||||
macfb_fix.visual = FB_VISUAL_MONO01;
|
||||
printk("macfb: unknown or unsupported bit depth: %d\n", macfb_defined.bits_per_pixel);
|
||||
printk("macfb: unknown or unsupported bit depth: %d\n",
|
||||
macfb_defined.bits_per_pixel);
|
||||
break;
|
||||
}
|
||||
|
||||
/* Hardware dependent stuff */
|
||||
/* We take a wild guess that if the video physical address is
|
||||
/*
|
||||
* We take a wild guess that if the video physical address is
|
||||
* in nubus slot space, that the nubus card is driving video.
|
||||
* Penguin really ought to tell us whether we are using internal
|
||||
* video or not.
|
||||
* Hopefully we only find one of them. Otherwise our NuBus
|
||||
* code is really broken :-)
|
||||
*/
|
||||
/* Hopefully we only find one of them. Otherwise our NuBus
|
||||
code is really broken :-) */
|
||||
|
||||
while ((ndev = nubus_find_type(NUBUS_CAT_DISPLAY, NUBUS_TYPE_VIDEO, ndev))
|
||||
!= NULL)
|
||||
@ -744,15 +738,14 @@ static int __init macfb_init(void)
|
||||
}
|
||||
|
||||
/* If it's not a NuBus card, it must be internal video */
|
||||
/* FIXME: this function is getting way too big. (this driver
|
||||
is too...) */
|
||||
if (!video_is_nubus)
|
||||
switch( mac_bi_data.id )
|
||||
{
|
||||
/* DAFB Quadras */
|
||||
/* Note: these first four have the v7 DAFB, which is
|
||||
known to be rather unlike the ones used in the
|
||||
other models */
|
||||
switch (mac_bi_data.id) {
|
||||
/*
|
||||
* DAFB Quadras
|
||||
* Note: these first four have the v7 DAFB, which is
|
||||
* known to be rather unlike the ones used in the
|
||||
* other models
|
||||
*/
|
||||
case MAC_MODEL_P475:
|
||||
case MAC_MODEL_P475F:
|
||||
case MAC_MODEL_P575:
|
||||
@ -772,7 +765,9 @@ static int __init macfb_init(void)
|
||||
dafb_cmap_regs = ioremap(DAFB_BASE, 0x1000);
|
||||
break;
|
||||
|
||||
/* LC II uses the V8 framebuffer */
|
||||
/*
|
||||
* LC II uses the V8 framebuffer
|
||||
*/
|
||||
case MAC_MODEL_LCII:
|
||||
strcpy(macfb_fix.id, "V8");
|
||||
macfb_setpalette = v8_brazil_setpalette;
|
||||
@ -780,9 +775,11 @@ static int __init macfb_init(void)
|
||||
v8_brazil_cmap_regs = ioremap(DAC_BASE, 0x1000);
|
||||
break;
|
||||
|
||||
/* IIvi, IIvx use the "Brazil" framebuffer (which is
|
||||
very much like the V8, it seems, and probably uses
|
||||
the same DAC) */
|
||||
/*
|
||||
* IIvi, IIvx use the "Brazil" framebuffer (which is
|
||||
* very much like the V8, it seems, and probably uses
|
||||
* the same DAC)
|
||||
*/
|
||||
case MAC_MODEL_IIVI:
|
||||
case MAC_MODEL_IIVX:
|
||||
case MAC_MODEL_P600:
|
||||
@ -792,11 +789,13 @@ static int __init macfb_init(void)
|
||||
v8_brazil_cmap_regs = ioremap(DAC_BASE, 0x1000);
|
||||
break;
|
||||
|
||||
/* LC III (and friends) use the Sonora framebuffer */
|
||||
/* Incidentally this is also used in the non-AV models
|
||||
of the x100 PowerMacs */
|
||||
/* These do in fact seem to use the same DAC interface
|
||||
as the LC II. */
|
||||
/*
|
||||
* LC III (and friends) use the Sonora framebuffer
|
||||
* Incidentally this is also used in the non-AV models
|
||||
* of the x100 PowerMacs
|
||||
* These do in fact seem to use the same DAC interface
|
||||
* as the LC II.
|
||||
*/
|
||||
case MAC_MODEL_LCIII:
|
||||
case MAC_MODEL_P520:
|
||||
case MAC_MODEL_P550:
|
||||
@ -807,9 +806,11 @@ static int __init macfb_init(void)
|
||||
v8_brazil_cmap_regs = ioremap(DAC_BASE, 0x1000);
|
||||
break;
|
||||
|
||||
/* IIci and IIsi use the infamous RBV chip
|
||||
(the IIsi is just a rebadged and crippled
|
||||
IIci in a different case, BTW) */
|
||||
/*
|
||||
* IIci and IIsi use the infamous RBV chip
|
||||
* (the IIsi is just a rebadged and crippled
|
||||
* IIci in a different case, BTW)
|
||||
*/
|
||||
case MAC_MODEL_IICI:
|
||||
case MAC_MODEL_IISI:
|
||||
macfb_setpalette = rbv_setpalette;
|
||||
@ -818,7 +819,9 @@ static int __init macfb_init(void)
|
||||
rbv_cmap_regs = ioremap(DAC_BASE, 0x1000);
|
||||
break;
|
||||
|
||||
/* AVs use the Civic framebuffer */
|
||||
/*
|
||||
* AVs use the Civic framebuffer
|
||||
*/
|
||||
case MAC_MODEL_Q840:
|
||||
case MAC_MODEL_C660:
|
||||
macfb_setpalette = civic_setpalette;
|
||||
@ -828,15 +831,10 @@ static int __init macfb_init(void)
|
||||
break;
|
||||
|
||||
|
||||
/* Write a setpalette function for your machine, then
|
||||
you can add something similar here. These are
|
||||
grouped by classes of video chipsets. Some of this
|
||||
information is from the VideoToolbox "Bugs" web
|
||||
page at
|
||||
http://rajsky.psych.nyu.edu/Tips/VideoBugs.html */
|
||||
|
||||
/* Assorted weirdos */
|
||||
/* We think this may be like the LC II */
|
||||
/*
|
||||
* Assorted weirdos
|
||||
* We think this may be like the LC II
|
||||
*/
|
||||
case MAC_MODEL_LC:
|
||||
if (vidtest) {
|
||||
macfb_setpalette = v8_brazil_setpalette;
|
||||
@ -846,7 +844,10 @@ static int __init macfb_init(void)
|
||||
}
|
||||
strcpy(macfb_fix.id, "LC");
|
||||
break;
|
||||
/* We think this may be like the LC II */
|
||||
|
||||
/*
|
||||
* We think this may be like the LC II
|
||||
*/
|
||||
case MAC_MODEL_CCL:
|
||||
if (vidtest) {
|
||||
macfb_setpalette = v8_brazil_setpalette;
|
||||
@ -857,23 +858,29 @@ static int __init macfb_init(void)
|
||||
strcpy(macfb_fix.id, "Color Classic");
|
||||
break;
|
||||
|
||||
/* And we *do* mean "weirdos" */
|
||||
/*
|
||||
* And we *do* mean "weirdos"
|
||||
*/
|
||||
case MAC_MODEL_TV:
|
||||
strcpy(macfb_fix.id, "Mac TV");
|
||||
break;
|
||||
|
||||
/* These don't have colour, so no need to worry */
|
||||
/*
|
||||
* These don't have colour, so no need to worry
|
||||
*/
|
||||
case MAC_MODEL_SE30:
|
||||
case MAC_MODEL_CLII:
|
||||
strcpy(macfb_fix.id, "Monochrome");
|
||||
break;
|
||||
|
||||
/* Powerbooks are particularly difficult. Many of
|
||||
them have separate framebuffers for external and
|
||||
internal video, which is admittedly pretty cool,
|
||||
but will be a bit of a headache to support here.
|
||||
Also, many of them are grayscale, and we don't
|
||||
really support that. */
|
||||
/*
|
||||
* Powerbooks are particularly difficult. Many of
|
||||
* them have separate framebuffers for external and
|
||||
* internal video, which is admittedly pretty cool,
|
||||
* but will be a bit of a headache to support here.
|
||||
* Also, many of them are grayscale, and we don't
|
||||
* really support that.
|
||||
*/
|
||||
|
||||
case MAC_MODEL_PB140:
|
||||
case MAC_MODEL_PB145:
|
||||
@ -881,7 +888,9 @@ static int __init macfb_init(void)
|
||||
strcpy(macfb_fix.id, "DDC");
|
||||
break;
|
||||
|
||||
/* Internal is GSC, External (if present) is ViSC */
|
||||
/*
|
||||
* Internal is GSC, External (if present) is ViSC
|
||||
*/
|
||||
case MAC_MODEL_PB150: /* no external video */
|
||||
case MAC_MODEL_PB160:
|
||||
case MAC_MODEL_PB165:
|
||||
@ -891,13 +900,17 @@ static int __init macfb_init(void)
|
||||
strcpy(macfb_fix.id, "GSC");
|
||||
break;
|
||||
|
||||
/* Internal is TIM, External is ViSC */
|
||||
/*
|
||||
* Internal is TIM, External is ViSC
|
||||
*/
|
||||
case MAC_MODEL_PB165C:
|
||||
case MAC_MODEL_PB180C:
|
||||
strcpy(macfb_fix.id, "TIM");
|
||||
break;
|
||||
|
||||
/* Internal is CSC, External is Keystone+Ariel. */
|
||||
/*
|
||||
* Internal is CSC, External is Keystone+Ariel.
|
||||
*/
|
||||
case MAC_MODEL_PB190: /* external video is optional */
|
||||
case MAC_MODEL_PB520:
|
||||
case MAC_MODEL_PB250:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user