1 files changed, 0 insertions, 552 deletions

diff --git a/drivers/video/offb.c b/drivers/video/offb.c
deleted file mode 100644
index 452433d4697..00000000000
--- a/drivers/video/offb.c
+++ /dev/null
@@ -1,552 +0,0 @@
-/*
- *  linux/drivers/video/offb.c -- Open Firmware based frame buffer device
- *
- *	Copyright (C) 1997 Geert Uytterhoeven
- *
- *  This driver is partly based on the PowerMac console driver:
- *
- *	Copyright (C) 1996 Paul Mackerras
- *
- *  This file is subject to the terms and conditions of the GNU General Public
- *  License. See the file COPYING in the main directory of this archive for
- *  more details.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include <linux/vmalloc.h>
-#include <linux/delay.h>
-#include <linux/interrupt.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/ioport.h>
-#include <linux/pci.h>
-#include <asm/io.h>
-#include <asm/prom.h>
-
-#ifdef CONFIG_PPC64
-#include <asm/pci-bridge.h>
-#endif
-
-#ifdef CONFIG_PPC32
-#include <asm/bootx.h>
-#endif
-
-#include "macmodes.h"
-
-/* Supported palette hacks */
-enum {
-	cmap_unknown,
-	cmap_m64,		/* ATI Mach64 */
-	cmap_r128,		/* ATI Rage128 */
-	cmap_M3A,		/* ATI Rage Mobility M3 Head A */
-	cmap_M3B,		/* ATI Rage Mobility M3 Head B */
-	cmap_radeon,		/* ATI Radeon */
-	cmap_gxt2000,		/* IBM GXT2000 */
-};
-
-struct offb_par {
-	volatile void __iomem *cmap_adr;
-	volatile void __iomem *cmap_data;
-	int cmap_type;
-	int blanked;
-};
-
-struct offb_par default_par;
-
-    /*
-     *  Interface used by the world
-     */
-
-static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
-			  u_int transp, struct fb_info *info);
-static int offb_blank(int blank, struct fb_info *info);
-
-#ifdef CONFIG_PPC32
-extern boot_infos_t *boot_infos;
-#endif
-
-static struct fb_ops offb_ops = {
-	.owner		= THIS_MODULE,
-	.fb_setcolreg	= offb_setcolreg,
-	.fb_blank	= offb_blank,
-	.fb_fillrect	= cfb_fillrect,
-	.fb_copyarea	= cfb_copyarea,
-	.fb_imageblit	= cfb_imageblit,
-};
-
-    /*
-     *  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.
-     */
-
-static int offb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
-			  u_int transp, struct fb_info *info)
-{
-	struct offb_par *par = (struct offb_par *) info->par;
-	int i, depth;
-	u32 *pal = info->pseudo_palette;
-
-	depth = info->var.bits_per_pixel;
-	if (depth == 16)
-		depth = (info->var.green.length == 5) ? 15 : 16;
-
-	if (regno > 255 ||
-	    (depth == 16 && regno > 63) ||
-	    (depth == 15 && regno > 31))
-		return 1;
-
-	if (regno < 16) {
-		switch (depth) {
-		case 15:
-			pal[regno] = (regno << 10) | (regno << 5) | regno;
-			break;
-		case 16:
-			pal[regno] = (regno << 11) | (regno << 5) | regno;
-			break;
-		case 24:
-			pal[regno] = (regno << 16) | (regno << 8) | regno;
-			break;
-		case 32:
-			i = (regno << 8) | regno;
-			pal[regno] = (i << 16) | i;
-			break;
-		}
-	}
-
-	red >>= 8;
-	green >>= 8;
-	blue >>= 8;
-
-	if (!par->cmap_adr)
-		return 0;
-
-	switch (par->cmap_type) {
-	case cmap_m64:
-		writeb(regno, par->cmap_adr);
-		writeb(red, par->cmap_data);
-		writeb(green, par->cmap_data);
-		writeb(blue, par->cmap_data);
-		break;
-	case cmap_M3A:
-		/* Clear PALETTE_ACCESS_CNTL in DAC_CNTL */
-		out_le32(par->cmap_adr + 0x58,
-			 in_le32(par->cmap_adr + 0x58) & ~0x20);
-	case cmap_r128:
-		/* Set palette index & data */
-		out_8(par->cmap_adr + 0xb0, regno);
-		out_le32(par->cmap_adr + 0xb4,
-			 (red << 16 | green << 8 | blue));
-		break;
-	case cmap_M3B:
-		/* Set PALETTE_ACCESS_CNTL in DAC_CNTL */
-		out_le32(par->cmap_adr + 0x58,
-			 in_le32(par->cmap_adr + 0x58) | 0x20);
-		/* Set palette index & data */
-		out_8(par->cmap_adr + 0xb0, regno);
-		out_le32(par->cmap_adr + 0xb4, (red << 16 | green << 8 | blue));
-		break;
-	case cmap_radeon:
-		/* Set palette index & data (could be smarter) */
-		out_8(par->cmap_adr + 0xb0, regno);
-		out_le32(par->cmap_adr + 0xb4, (red << 16 | green << 8 | blue));
-		break;
-	case cmap_gxt2000:
-		out_le32(((unsigned __iomem *) par->cmap_adr) + regno,
-			 (red << 16 | green << 8 | blue));
-		break;
-	}
-
-	return 0;
-}
-
-    /*
-     *  Blank the display.
-     */
-
-static int offb_blank(int blank, struct fb_info *info)
-{
-	struct offb_par *par = (struct offb_par *) info->par;
-	int i, j;
-
-	if (!par->cmap_adr)
-		return 0;
-
-	if (!par->blanked)
-		if (!blank)
-			return 0;
-
-	par->blanked = blank;
-
-	if (blank)
-		for (i = 0; i < 256; i++) {
-			switch (par->cmap_type) {
-			case cmap_m64:
-				writeb(i, par->cmap_adr);
-				for (j = 0; j < 3; j++)
-					writeb(0, par->cmap_data);
-				break;
-			case cmap_M3A:
-				/* Clear PALETTE_ACCESS_CNTL in DAC_CNTL */
-				out_le32(par->cmap_adr + 0x58,
-					 in_le32(par->cmap_adr + 0x58) & ~0x20);
-			case cmap_r128:
-				/* Set palette index & data */
-				out_8(par->cmap_adr + 0xb0, i);
-				out_le32(par->cmap_adr + 0xb4, 0);
-				break;
-			case cmap_M3B:
-				/* Set PALETTE_ACCESS_CNTL in DAC_CNTL */
-				out_le32(par->cmap_adr + 0x58,
-					 in_le32(par->cmap_adr + 0x58) | 0x20);
-				/* Set palette index & data */
-				out_8(par->cmap_adr + 0xb0, i);
-				out_le32(par->cmap_adr + 0xb4, 0);
-				break;
-			case cmap_radeon:
-				out_8(par->cmap_adr + 0xb0, i);
-				out_le32(par->cmap_adr + 0xb4, 0);
-				break;
-			case cmap_gxt2000:
-				out_le32(((unsigned __iomem *) par->cmap_adr) + i,
-					 0);
-				break;
-			}
-	} else
-		fb_set_cmap(&info->cmap, info);
-	return 0;
-}
-
-
-static void __iomem *offb_map_reg(struct device_node *np, int index,
-				  unsigned long offset, unsigned long size)
-{
-	const u32 *addrp;
-	u64 asize, taddr;
-	unsigned int flags;
-
-	addrp = of_get_pci_address(np, index, &asize, &flags);
-	if (addrp == NULL)
-		addrp = of_get_address(np, index, &asize, &flags);
-	if (addrp == NULL)
-		return NULL;
-	if ((flags & (IORESOURCE_IO | IORESOURCE_MEM)) == 0)
-		return NULL;
-	if ((offset + size) > asize)
-		return NULL;
-	taddr = of_translate_address(np, addrp);
-	if (taddr == OF_BAD_ADDR)
-		return NULL;
-	return ioremap(taddr + offset, size);
-}
-
-static void __init offb_init_fb(const char *name, const char *full_name,
-				int width, int height, int depth,
-				int pitch, unsigned long address,
-				struct device_node *dp)
-{
-	unsigned long res_size = pitch * height * (depth + 7) / 8;
-	struct offb_par *par = &default_par;
-	unsigned long res_start = address;
-	struct fb_fix_screeninfo *fix;
-	struct fb_var_screeninfo *var;
-	struct fb_info *info;
-	int size;
-
-	if (!request_mem_region(res_start, res_size, "offb"))
-		return;
-
-	printk(KERN_INFO
-	       "Using unsupported %dx%d %s at %lx, depth=%d, pitch=%d\n",
-	       width, height, name, address, depth, pitch);
-	if (depth != 8 && depth != 15 && depth != 16 && depth != 32) {
-		printk(KERN_ERR "%s: can't use depth = %d\n", full_name,
-		       depth);
-		release_mem_region(res_start, res_size);
-		return;
-	}
-
-	size = sizeof(struct fb_info) + sizeof(u32) * 16;
-
-	info = kmalloc(size, GFP_ATOMIC);
-	
-	if (info == 0) {
-		release_mem_region(res_start, res_size);
-		return;
-	}
-	memset(info, 0, size);
-
-	fix = &info->fix;
-	var = &info->var;
-
-	strcpy(fix->id, "OFfb ");
-	strncat(fix->id, name, sizeof(fix->id) - sizeof("OFfb "));
-	fix->id[sizeof(fix->id) - 1] = '\0';
-
-	var->xres = var->xres_virtual = width;
-	var->yres = var->yres_virtual = height;
-	fix->line_length = pitch;
-
-	fix->smem_start = address;
-	fix->smem_len = pitch * height;
-	fix->type = FB_TYPE_PACKED_PIXELS;
-	fix->type_aux = 0;
-
-	par->cmap_type = cmap_unknown;
-	if (depth == 8) {
-		if (dp && !strncmp(name, "ATY,Rage128", 11)) {
-			par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
-			if (par->cmap_adr)
-				par->cmap_type = cmap_r128;
-		} else if (dp && (!strncmp(name, "ATY,RageM3pA", 12)
-				  || !strncmp(name, "ATY,RageM3p12A", 14))) {
-			par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
-			if (par->cmap_adr)
-				par->cmap_type = cmap_M3A;
-		} else if (dp && !strncmp(name, "ATY,RageM3pB", 12)) {
-			par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
-			if (par->cmap_adr)
-				par->cmap_type = cmap_M3B;
-		} else if (dp && !strncmp(name, "ATY,Rage6", 9)) {
-			par->cmap_adr = offb_map_reg(dp, 1, 0, 0x1fff);
-			if (par->cmap_adr)
-				par->cmap_type = cmap_radeon;
-		} else if (!strncmp(name, "ATY,", 4)) {
-			unsigned long base = address & 0xff000000UL;
-			par->cmap_adr =
-			    ioremap(base + 0x7ff000, 0x1000) + 0xcc0;
-			par->cmap_data = par->cmap_adr + 1;
-			par->cmap_type = cmap_m64;
-		} else if (dp && (of_device_is_compatible(dp, "pci1014,b7") ||
-				  of_device_is_compatible(dp, "pci1014,21c"))) {
-			par->cmap_adr = offb_map_reg(dp, 0, 0x6000, 0x1000);
-			if (par->cmap_adr)
-				par->cmap_type = cmap_gxt2000;
-		}
-		fix->visual = (par->cmap_type != cmap_unknown) ?
-			FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_STATIC_PSEUDOCOLOR;
-	} else
-		fix->visual = FB_VISUAL_TRUECOLOR;
-
-	var->xoffset = var->yoffset = 0;
-	switch (depth) {
-	case 8:
-		var->bits_per_pixel = 8;
-		var->red.offset = 0;
-		var->red.length = 8;
-		var->green.offset = 0;
-		var->green.length = 8;
-		var->blue.offset = 0;
-		var->blue.length = 8;
-		var->transp.offset = 0;
-		var->transp.length = 0;
-		break;
-	case 15:		/* RGB 555 */
-		var->bits_per_pixel = 16;
-		var->red.offset = 10;
-		var->red.length = 5;
-		var->green.offset = 5;
-		var->green.length = 5;
-		var->blue.offset = 0;
-		var->blue.length = 5;
-		var->transp.offset = 0;
-		var->transp.length = 0;
-		break;
-	case 16:		/* RGB 565 */
-		var->bits_per_pixel = 16;
-		var->red.offset = 11;
-		var->red.length = 5;
-		var->green.offset = 5;
-		var->green.length = 6;
-		var->blue.offset = 0;
-		var->blue.length = 5;
-		var->transp.offset = 0;
-		var->transp.length = 0;
-		break;
-	case 32:		/* RGB 888 */
-		var->bits_per_pixel = 32;
-		var->red.offset = 16;
-		var->red.length = 8;
-		var->green.offset = 8;
-		var->green.length = 8;
-		var->blue.offset = 0;
-		var->blue.length = 8;
-		var->transp.offset = 24;
-		var->transp.length = 8;
-		break;
-	}
-	var->red.msb_right = var->green.msb_right = var->blue.msb_right =
-	    var->transp.msb_right = 0;
-	var->grayscale = 0;
-	var->nonstd = 0;
-	var->activate = 0;
-	var->height = var->width = -1;
-	var->pixclock = 10000;
-	var->left_margin = var->right_margin = 16;
-	var->upper_margin = var->lower_margin = 16;
-	var->hsync_len = var->vsync_len = 8;
-	var->sync = 0;
-	var->vmode = FB_VMODE_NONINTERLACED;
-
-	info->fbops = &offb_ops;
-	info->screen_base = ioremap(address, fix->smem_len);
-	info->par = par;
-	info->pseudo_palette = (void *) (info + 1);
-	info->flags = FBINFO_DEFAULT;
-
-	fb_alloc_cmap(&info->cmap, 256, 0);
-
-	if (register_framebuffer(info) < 0) {
-		iounmap(par->cmap_adr);
-		par->cmap_adr = NULL;
-		iounmap(info->screen_base);
-		kfree(info);
-		release_mem_region(res_start, res_size);
-		return;
-	}
-
-	printk(KERN_INFO "fb%d: Open Firmware frame buffer device on %s\n",
-	       info->node, full_name);
-}
-
-
-static void __init offb_init_nodriver(struct device_node *dp, int no_real_node)
-{
-	unsigned int len;
-	int i, width = 640, height = 480, depth = 8, pitch = 640;
-	unsigned int flags, rsize, addr_prop = 0;
-	unsigned long max_size = 0;
-	u64 rstart, address = OF_BAD_ADDR;
-	const u32 *pp, *addrp, *up;
-	u64 asize;
-
-	pp = of_get_property(dp, "linux,bootx-depth", &len);
-	if (pp == NULL)
-		pp = of_get_property(dp, "depth", &len);
-	if (pp && len == sizeof(u32))
-		depth = *pp;
-
-	pp = of_get_property(dp, "linux,bootx-width", &len);
-	if (pp == NULL)
-		pp = of_get_property(dp, "width", &len);
-	if (pp && len == sizeof(u32))
-		width = *pp;
-
-	pp = of_get_property(dp, "linux,bootx-height", &len);
-	if (pp == NULL)
-		pp = of_get_property(dp, "height", &len);
-	if (pp && len == sizeof(u32))
-		height = *pp;
-
-	pp = of_get_property(dp, "linux,bootx-linebytes", &len);
-	if (pp == NULL)
-		pp = of_get_property(dp, "linebytes", &len);
-	if (pp && len == sizeof(u32) && (*pp != 0xffffffffu))
-		pitch = *pp;
-	else
-		pitch = width * ((depth + 7) / 8);
-
-	rsize = (unsigned long)pitch * (unsigned long)height;
-
-	/* Ok, now we try to figure out the address of the framebuffer.
-	 *
-	 * Unfortunately, Open Firmware doesn't provide a standard way to do
-	 * so. All we can do is a dodgy heuristic that happens to work in
-	 * practice. On most machines, the "address" property contains what
-	 * we need, though not on Matrox cards found in IBM machines. What I've
-	 * found that appears to give good results is to go through the PCI
-	 * ranges and pick one that is both big enough and if possible encloses
-	 * the "address" property. If none match, we pick the biggest
-	 */
-	up = of_get_property(dp, "linux,bootx-addr", &len);
-	if (up == NULL)
-		up = of_get_property(dp, "address", &len);
-	if (up && len == sizeof(u32))
-		addr_prop = *up;
-
-	/* Hack for when BootX is passing us */
-	if (no_real_node)
-		goto skip_addr;
-
-	for (i = 0; (addrp = of_get_address(dp, i, &asize, &flags))
-		     != NULL; i++) {
-		int match_addrp = 0;
-
-		if (!(flags & IORESOURCE_MEM))
-			continue;
-		if (asize < rsize)
-			continue;
-		rstart = of_translate_address(dp, addrp);
-		if (rstart == OF_BAD_ADDR)
-			continue;
-		if (addr_prop && (rstart <= addr_prop) &&
-		    ((rstart + asize) >= (addr_prop + rsize)))
-			match_addrp = 1;
-		if (match_addrp) {
-			address = addr_prop;
-			break;
-		}
-		if (rsize > max_size) {
-			max_size = rsize;
-			address = OF_BAD_ADDR;
- 		}
-
-		if (address == OF_BAD_ADDR)
-			address = rstart;
-	}
- skip_addr:
-	if (address == OF_BAD_ADDR && addr_prop)
-		address = (u64)addr_prop;
-	if (address != OF_BAD_ADDR) {
-		/* kludge for valkyrie */
-		if (strcmp(dp->name, "valkyrie") == 0)
-			address += 0x1000;
-		offb_init_fb(no_real_node ? "bootx" : dp->name,
-			     no_real_node ? "display" : dp->full_name,
-			     width, height, depth, pitch, address,
-			     no_real_node ? NULL : dp);
-	}
-}
-
-static int __init offb_init(void)
-{
-	struct device_node *dp = NULL, *boot_disp = NULL;
-
-	if (fb_get_options("offb", NULL))
-		return -ENODEV;
-
-	/* Check if we have a MacOS display without a node spec */
-	if (of_get_property(of_chosen, "linux,bootx-noscreen", NULL) != NULL) {
-		/* The old code tried to work out which node was the MacOS
-		 * display based on the address. I'm dropping that since the
-		 * lack of a node spec only happens with old BootX versions
-		 * (users can update) and with this code, they'll still get
-		 * a display (just not the palette hacks).
-		 */
-		offb_init_nodriver(of_chosen, 1);
-	}
-
-	for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) {
-		if (of_get_property(dp, "linux,opened", NULL) &&
-		    of_get_property(dp, "linux,boot-display", NULL)) {
-			boot_disp = dp;
-			offb_init_nodriver(dp, 0);
-		}
-	}
-	for (dp = NULL; (dp = of_find_node_by_type(dp, "display"));) {
-		if (of_get_property(dp, "linux,opened", NULL) &&
-		    dp != boot_disp)
-			offb_init_nodriver(dp, 0);
-	}
-
-	return 0;
-}
-
-
-module_init(offb_init);
-MODULE_LICENSE("GPL");