[ubicom32] remove target

This target is unused, does not support any off the shelf hardware and
has been a maintenance burden for quite some time now.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@34430 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 603 deletions

diff --git a/target/linux/ubicom32/files/drivers/video/ubicom32vfb.c b/target/linux/ubicom32/files/drivers/video/ubicom32vfb.c
deleted file mode 100644
index 8478273d4c..0000000000
--- a/target/linux/ubicom32/files/drivers/video/ubicom32vfb.c
+++ /dev/null
@@ -1,603 +0,0 @@
-/*
- * drivers/video/ubicom32vfb.c
- *	Ubicom32 virtual frame buffer driver
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port.  If not,
- * see <http://www.gnu.org/licenses/>.
- */
-
-/*
- * This driver was based on skeletonfb.c, Skeleton for a frame buffer device by
- * Geert Uytterhoeven.
- */
-
-#include <linux/device.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/version.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_device.h>
-#include <linux/device.h>
-#include <linux/uaccess.h>
-
-#define DRIVER_NAME		"ubicom32vfb"
-#define DRIVER_DESCRIPTION	"Ubicom32 virtual frame buffer driver"
-
-#define PALETTE_ENTRIES_NO	16
-
-/*
- * Option variables
- *
- * vram_size:	VRAM size in kilobytes, subject to alignment
- */
-static int vram_size = 0;
-module_param(vram_size, int, 0);
-MODULE_PARM_DESC(vram_size, "VRAM size, in kilobytes to allocate, should be at least the size of one screen, subject to alignment");
-
-static int xres = 320;
-module_param(xres, int, 0);
-MODULE_PARM_DESC(xres, "x (horizontal) resolution");
-
-static int yres = 240;
-module_param(yres, int, 0);
-MODULE_PARM_DESC(yres, "y (vertical) resolution");
-
-static int bgr = 0;
-module_param(bgr, int, 0);
-MODULE_PARM_DESC(bgr, "display is BGR (Blue is MSB)");
-
-#define BITS_PER_PIXEL	16
-
-/*
- * Buffer alignment, must not be 0
- */
-#define UBICOM32VFB_ALIGNMENT 4
-
-/*
- * fb_fix_screeninfo defines the non-changeable properties of the VDC, depending on what mode it is in.
- */
-static struct fb_fix_screeninfo ubicom32vfb_fix = {
-	.id =		"Ubicom32",
-	.type =		FB_TYPE_PACKED_PIXELS,
-	.visual =	FB_VISUAL_TRUECOLOR,
-	.accel =	FB_ACCEL_UBICOM32_VFB,
-};
-
-/*
- * Filled in at probe time when we find out what the hardware supports
- */
-static struct fb_var_screeninfo ubicom32vfb_var;
-
-/*
- * Private data structure
- */
-struct ubicom32vfb_drvdata {
-	struct fb_info			*fbinfo;
-	bool				cmap_alloc;
-
-	/*
-	 * The address of the framebuffer in memory
-	 */
-	void				*fb;
-	void				*fb_aligned;
-
-	/*
-	 * Total size of vram including alignment allowance
-	 */
-	u32				total_vram_size;
-
-	/*
-	 * Fake palette of 16 colors
-	 */
-	u32				pseudo_palette[PALETTE_ENTRIES_NO];
-};
-
-static struct platform_device *ubicom32vfb_platform_device;
-
-/*
- * ubicom32vfb_pan_display
- *	Pans the display to a given location.  Supports only y direction panning.
- */
-static int ubicom32vfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *fbi)
-{
-	struct ubicom32vfb_drvdata *ud = (struct ubicom32vfb_drvdata *)fbi->par;
-	void *new_addr;
-
-	/*
-	 * Get the last y line that would be displayed.  Since we don't support YWRAP,
-	 * it must be less than our virtual y size.
-	 */
-	u32 lasty = var->yoffset + var->yres;
-	if (lasty > fbi->var.yres_virtual) {
-		/*
-		 * We would fall off the end of our frame buffer if we panned here.
-		 */
-		return -EINVAL;
-	}
-
-	if (var->xoffset) {
-		/*
-		 * We don't support panning in the x direction
-		 */
-		return -EINVAL;
-	}
-
-	/*
-	 * Everything looks sane, go ahead and pan
-	 *
-	 * We have to calculate a new address for the VDC to look at
-	 */
-	new_addr = ud->fb_aligned + (var->yoffset * fbi->fix.line_length);
-
-	return 0;
-}
-
-/*
- * ubicom32vfb_setcolreg
- *	Sets a color in our virtual palette
- */
-static int ubicom32vfb_setcolreg(unsigned regno, unsigned red, unsigned green, unsigned blue, unsigned transp, struct fb_info *fbi)
-{
-	u32 *palette = fbi->pseudo_palette;
-
-	if (regno >= PALETTE_ENTRIES_NO) {
-		return -EINVAL;
-	}
-
-	/*
-	 * We only use 8 bits from each color
-	 */
-	red >>= 8;
-	green >>= 8;
-	blue >>= 8;
-
-	/*
-	 * Convert any grayscale values
-	 */
-	if (fbi->var.grayscale) {
-		u16 gray = red + green + blue;
-		gray += (gray >> 2) + (gray >> 3) - (gray >> 7);
-		gray >>= 2;
-		if (gray > 255) {
-			gray = 255;
-		}
-		red = gray;
-		blue = gray;
-		green = gray;
-	}
-
-	palette[regno] = (red << fbi->var.red.offset) | (green << fbi->var.green.offset) |
-			 (blue << fbi->var.blue.offset);
-
-	return 0;
-}
-
-/*
- * ubicom32vfb_mmap
- */
-static int ubicom32vfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
-	struct ubicom32vfb_drvdata *ud = (struct ubicom32vfb_drvdata *)info->par;
-
-	vma->vm_start = (unsigned long)(ud->fb_aligned);
-
-	vma->vm_end = vma->vm_start + info->fix.smem_len;
-
-	/* For those who don't understand how mmap works, go read
-	 *   Documentation/nommu-mmap.txt.
-	 * For those that do, you will know that the VM_MAYSHARE flag
-	 * must be set in the vma->vm_flags structure on noMMU
-	 *   Other flags can be set, and are documented in
-	 *   include/linux/mm.h
-	 */
-
-	vma->vm_flags |=  VM_MAYSHARE | VM_SHARED;
-
-	return 0;
-}
-
-/*
- * ubicom32vfb_check_var
- *	Check the var, tweak it but don't change operational parameters.
- */
-static int ubicom32vfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
-{
-	struct ubicom32vfb_drvdata *ud = (struct ubicom32vfb_drvdata *)info->par;
-	u32 line_size = var->xres * (BITS_PER_PIXEL / 8);
-
-	/*
-	 * See if we can handle this bpp
-	 */
-	if (var->bits_per_pixel > BITS_PER_PIXEL) {
-		return -EINVAL;
-	}
-	var->bits_per_pixel = BITS_PER_PIXEL;
-
-	/*
-	 * See if we have enough memory to handle this resolution
-	 */
-	if ((line_size * var->yres * BITS_PER_PIXEL / 8) > ud->total_vram_size) {
-		return -EINVAL;
-	}
-
-	var->xres_virtual = var->xres;
-	var->yres_virtual = ud->total_vram_size / line_size;
-
-	var->red.length = 5;
-	var->green.length = 6;
-	var->green.offset = 5;
-	var->blue.length = 5;
-	var->transp.offset = var->transp.length = 0;
-
-	if (bgr) {
-		var->red.offset = 0;
-		var->blue.offset = 11;
-	} else {
-		var->red.offset = 11;
-		var->blue.offset = 0;
-	}
-
-	var->nonstd = 0;
-	var->height = -1;
-	var->width = -1;
-	var->vmode = FB_VMODE_NONINTERLACED;
-	var->sync = 0;
-
-	return 0;
-}
-
-/*
- * ubicom32vfb_set_par
- *	Set the video mode according to info->var
- */
-static int ubicom32vfb_set_par(struct fb_info *info)
-{
-	/*
-	 * Anything changed?
-	 */
-	if ((xres == info->var.xres) && (yres == info->var.yres)) {
-		return 0;
-	}
-
-	/*
-	 * Implement changes
-	 */
-	xres = info->var.xres;
-	yres = info->var.yres;
-	info->fix.visual = FB_VISUAL_TRUECOLOR;
-	info->fix.xpanstep = 0;
-	info->fix.ypanstep = 1;
-	info->fix.line_length = xres * (BITS_PER_PIXEL / 8);
-
-	return 0;
-}
-
-/*
- * ubicom32vfb_ops
- *	List of supported operations
- */
-static struct fb_ops ubicom32vfb_ops =
-{
-	.owner			= THIS_MODULE,
-	.fb_pan_display		= ubicom32vfb_pan_display,
-	.fb_setcolreg		= ubicom32vfb_setcolreg,
-	.fb_mmap		= ubicom32vfb_mmap,
-	.fb_check_var		= ubicom32vfb_check_var,
-	.fb_set_par		= ubicom32vfb_set_par,
-	.fb_fillrect		= cfb_fillrect,
-	.fb_copyarea		= cfb_copyarea,
-	.fb_imageblit		= cfb_imageblit,
-};
-
-/*
- * ubicom32vfb_release
- */
-static int ubicom32vfb_release(struct device *dev)
-{
-	struct ubicom32vfb_drvdata *ud = dev_get_drvdata(dev);
-
-	unregister_framebuffer(ud->fbinfo);
-
-	if (ud->cmap_alloc) {
-		fb_dealloc_cmap(&ud->fbinfo->cmap);
-	}
-
-	if (ud->fb) {
-		kfree(ud->fb);
-	}
-
-	framebuffer_release(ud->fbinfo);
-	dev_set_drvdata(dev, NULL);
-
-	return 0;
-}
-
-/*
- * ubicom32vfb_platform_probe
- */
-static int __init ubicom32vfb_platform_probe(struct platform_device *pdev)
-{
-	struct ubicom32vfb_drvdata *ud;
-	struct fb_info *fbinfo;
-	int rc;
-	size_t fbsize;
-	struct device *dev = &pdev->dev;
-	int offset;
-
-	/*
-	 * This is the minimum VRAM size
-	 */
-	fbsize = xres * yres * 2;
-	if (!vram_size) {
-		vram_size = (fbsize + 1023) / 1024;
-	} else {
-		if (fbsize > (vram_size * 1024)) {
-			dev_err(dev, "Not enough VRAM for display, need >= %u bytes\n", fbsize);
-			return -ENOMEM; // should be ebadparam?
-		}
-	}
-
-	/*
-	 * Allocate the framebuffer instance + our private data
-	 */
-	fbinfo = framebuffer_alloc(sizeof(struct ubicom32vfb_drvdata), &pdev->dev);
-	if (!fbinfo) {
-		dev_err(dev, "Not enough memory to allocate instance.\n");
-		return -ENOMEM;
-	}
-
-	/*
-	 * Fill in our private data.
-	 */
-	ud = (struct ubicom32vfb_drvdata *)fbinfo->par;
-	ud->fbinfo = fbinfo;
-	dev_set_drvdata(dev, ud);
-
-	/*
-	 * Allocate and align the requested amount of VRAM
-	 */
-	ud->total_vram_size = (vram_size * 1024) + UBICOM32VFB_ALIGNMENT;
-	ud->fb = kmalloc(ud->total_vram_size, GFP_KERNEL);
-	if (ud->fb == NULL) {
-		dev_err(dev, "Couldn't allocate VRAM\n");
-		rc = -ENOMEM;
-		goto fail;
-	}
-
-	offset = (u32_t)ud->fb & (UBICOM32VFB_ALIGNMENT - 1);
-	if (!offset) {
-		ud->fb_aligned = ud->fb;
-	} else {
-		offset =  UBICOM32VFB_ALIGNMENT - offset;
-		ud->fb_aligned = ud->fb + offset;
-	}
-
-	/*
-	 * Clear the entire frame buffer
-	 */
-	memset(ud->fb_aligned, 0, vram_size * 1024);
-
-	/*
-	 * Fill in the fb_var_screeninfo structure
-	 */
-	memset(&ubicom32vfb_var, 0, sizeof(ubicom32vfb_var));
-	ubicom32vfb_var.bits_per_pixel = BITS_PER_PIXEL;
-	ubicom32vfb_var.red.length = 5;
-	ubicom32vfb_var.green.length = 6;
-	ubicom32vfb_var.green.offset = 5;
-	ubicom32vfb_var.blue.length = 5;
-	ubicom32vfb_var.activate = FB_ACTIVATE_NOW;
-
-	if (bgr) {
-		ubicom32vfb_var.red.offset = 0;
-		ubicom32vfb_var.blue.offset = 11;
-	} else {
-		ubicom32vfb_var.red.offset = 11;
-		ubicom32vfb_var.blue.offset = 0;
-	}
-
-	/*
-	 * Fill in the fb_info structure
-	 */
-	ud->fbinfo->device = dev;
-	ud->fbinfo->screen_base = (void *)ud->fb_aligned;
-	ud->fbinfo->fbops = &ubicom32vfb_ops;
-	ud->fbinfo->fix = ubicom32vfb_fix;
-	ud->fbinfo->fix.smem_start = (u32)ud->fb_aligned;
-	ud->fbinfo->fix.smem_len = vram_size * 1024;
-	ud->fbinfo->fix.line_length = xres * 2;
-	ud->fbinfo->fix.mmio_start = (u32)ud;
-	ud->fbinfo->fix.mmio_len = sizeof(struct ubicom32vfb_drvdata);
-
-	/*
-	 * We support panning in the y direction only
-	 */
-	ud->fbinfo->fix.xpanstep = 0;
-	ud->fbinfo->fix.ypanstep = 1;
-
-	ud->fbinfo->pseudo_palette = ud->pseudo_palette;
-	ud->fbinfo->flags = FBINFO_DEFAULT;
-	ud->fbinfo->var = ubicom32vfb_var;
-	ud->fbinfo->var.xres = xres;
-	ud->fbinfo->var.yres = yres;
-
-	/*
-	 * We cannot pan in the X direction, so xres_virtual is xres
-	 * We can pan in the Y direction, so yres_virtual is vram_size / ud->fbinfo->fix.line_length
-	 */
-	ud->fbinfo->var.xres_virtual = xres;
-	ud->fbinfo->var.yres_virtual = (vram_size * 1024) / ud->fbinfo->fix.line_length;
-
-	/*
-	 * Allocate a color map
-	 */
-	rc = fb_alloc_cmap(&ud->fbinfo->cmap, PALETTE_ENTRIES_NO, 0);
-	if (rc) {
-		dev_err(dev, "Fail to allocate colormap (%d entries)\n",
-			PALETTE_ENTRIES_NO);
-		goto fail;
-	}
-	ud->cmap_alloc = true;
-
-	/*
-	 * Register new frame buffer
-	 */
-	rc = register_framebuffer(ud->fbinfo);
-	if (rc) {
-		dev_err(dev, "Could not register frame buffer\n");
-		goto fail;
-	}
-
-	/*
-	 * Tell the log we are here
-	 */
-	dev_info(dev, "fbaddr=%p align=%p, size=%uKB screen(%ux%u) virt(%ux%u)\n",
-		ud->fb, ud->fb_aligned, vram_size, ud->fbinfo->var.xres, ud->fbinfo->var.yres,
-		ud->fbinfo->var.xres_virtual, ud->fbinfo->var.yres_virtual);
-
-	/*
-	 * Success
-	 */
-	return 0;
-
-fail:
-	ubicom32vfb_release(dev);
-	return rc;
-}
-
-/*
- * ubicom32vfb_platform_remove
- */
-static int ubicom32vfb_platform_remove(struct platform_device *pdev)
-{
-	dev_info(&(pdev->dev), "Ubicom32 FB Driver Remove\n");
-	return ubicom32vfb_release(&pdev->dev);
-}
-
-static struct platform_driver ubicom32vfb_platform_driver = {
-	.probe		= ubicom32vfb_platform_probe,
-	.remove		= ubicom32vfb_platform_remove,
-	.driver = {
-		.name = DRIVER_NAME,
-		.owner = THIS_MODULE,
-	},
-};
-
-#ifndef MODULE
-/*
- * ubicom32vfb_setup
- *	Process kernel boot options
- */
-static int __init ubicom32vfb_setup(char *options)
-{
-	char *this_opt;
-
-	if (!options || !*options) {
-		return 0;
-	}
-
-	while ((this_opt = strsep(&options, ",")) != NULL) {
-		if (!*this_opt) {
-			continue;
-		}
-
-		if (!strncmp(this_opt, "vram_size=", 10)) {
-			vram_size = simple_strtoul(this_opt + 10, NULL, 0);
-			continue;
-		}
-
-		if (!strncmp(this_opt, "bgr=", 4)) {
-			bgr = simple_strtoul(this_opt + 4, NULL, 0);
-			continue;
-		}
-
-		if (!strncmp(this_opt, "xres=", 5)) {
-			xres = simple_strtoul(this_opt + 5, NULL, 0);
-			continue;
-		}
-
-		if (!strncmp(this_opt, "yres=", 5)) {
-			yres = simple_strtoul(this_opt + 5, NULL, 0);
-			continue;
-		}
-	}
-	return 0;
-}
-#endif /* MODULE */
-
-/*
- * ubicom32vfb_init
- */
-static int __devinit ubicom32vfb_init(void)
-{
-	int ret;
-
-#ifndef MODULE
-	/*
-	 * Get kernel boot options (in 'video=ubicom32vfb:<options>')
-	 */
-	char *option = NULL;
-
-	if (fb_get_options(DRIVER_NAME, &option)) {
-		return -ENODEV;
-	}
-	ubicom32vfb_setup(option);
-#endif /* MODULE */
-
-	ret = platform_driver_register(&ubicom32vfb_platform_driver);
-
-#ifdef CONFIG_FB_UBICOM32_VIRTUAL_NOAUTO
-	return ret;
-#else
-	if (!ret) {
-		ubicom32vfb_platform_device = platform_device_alloc(DRIVER_NAME, 0);
-
-		if (ubicom32vfb_platform_device)
-			ret = platform_device_add(ubicom32vfb_platform_device);
-		else
-			ret = -ENOMEM;
-
-		if (ret) {
-			platform_device_put(ubicom32vfb_platform_device);
-			platform_driver_unregister(&ubicom32vfb_platform_driver);
-		}
-	}
-
-	return ret;
-#endif
-}
-module_init(ubicom32vfb_init);
-
-/*
- * ubicom32vfb_exit
- */
-static void __exit ubicom32vfb_exit(void)
-{
-	platform_device_unregister(ubicom32vfb_platform_device);
-	platform_driver_unregister(&ubicom32vfb_platform_driver);
-}
-module_exit(ubicom32vfb_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Patrick Tjin <@ubicom.com>");
-MODULE_DESCRIPTION(DRIVER_DESCRIPTION);