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path: root/drivers/staging/vboxvideo/vbox_fb.c
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Diffstat (limited to 'drivers/staging/vboxvideo/vbox_fb.c')
-rw-r--r--drivers/staging/vboxvideo/vbox_fb.c155
1 files changed, 0 insertions, 155 deletions
diff --git a/drivers/staging/vboxvideo/vbox_fb.c b/drivers/staging/vboxvideo/vbox_fb.c
deleted file mode 100644
index 83a04afd1766..000000000000
--- a/drivers/staging/vboxvideo/vbox_fb.c
+++ /dev/null
@@ -1,155 +0,0 @@
-// SPDX-License-Identifier: MIT
-/*
- * Copyright (C) 2013-2017 Oracle Corporation
- * This file is based on ast_fb.c
- * Copyright 2012 Red Hat Inc.
- * Authors: Dave Airlie <airlied@redhat.com>
- * Michael Thayer <michael.thayer@oracle.com,
- */
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/string.h>
-#include <linux/sysrq.h>
-#include <linux/tty.h>
-
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_fourcc.h>
-
-#include "vbox_drv.h"
-#include "vboxvideo.h"
-
-#ifdef CONFIG_DRM_KMS_FB_HELPER
-static struct fb_deferred_io vbox_defio = {
- .delay = HZ / 30,
- .deferred_io = drm_fb_helper_deferred_io,
-};
-#endif
-
-static struct fb_ops vboxfb_ops = {
- .owner = THIS_MODULE,
- DRM_FB_HELPER_DEFAULT_OPS,
- .fb_fillrect = drm_fb_helper_sys_fillrect,
- .fb_copyarea = drm_fb_helper_sys_copyarea,
- .fb_imageblit = drm_fb_helper_sys_imageblit,
-};
-
-int vboxfb_create(struct drm_fb_helper *helper,
- struct drm_fb_helper_surface_size *sizes)
-{
- struct vbox_private *vbox =
- container_of(helper, struct vbox_private, fb_helper);
- struct pci_dev *pdev = vbox->ddev.pdev;
- struct drm_mode_fb_cmd2 mode_cmd;
- struct drm_framebuffer *fb;
- struct fb_info *info;
- struct drm_gem_object *gobj;
- struct vbox_bo *bo;
- int size, ret;
- u64 gpu_addr;
- u32 pitch;
-
- mode_cmd.width = sizes->surface_width;
- mode_cmd.height = sizes->surface_height;
- pitch = mode_cmd.width * ((sizes->surface_bpp + 7) / 8);
- mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
- sizes->surface_depth);
- mode_cmd.pitches[0] = pitch;
-
- size = pitch * mode_cmd.height;
-
- ret = vbox_gem_create(vbox, size, true, &gobj);
- if (ret) {
- DRM_ERROR("failed to create fbcon backing object %d\n", ret);
- return ret;
- }
-
- ret = vbox_framebuffer_init(vbox, &vbox->afb, &mode_cmd, gobj);
- if (ret)
- return ret;
-
- bo = gem_to_vbox_bo(gobj);
-
- ret = vbox_bo_pin(bo, TTM_PL_FLAG_VRAM);
- if (ret)
- return ret;
-
- info = drm_fb_helper_alloc_fbi(helper);
- if (IS_ERR(info))
- return PTR_ERR(info);
-
- info->screen_size = size;
- info->screen_base = (char __iomem *)vbox_bo_kmap(bo);
- if (IS_ERR(info->screen_base))
- return PTR_ERR(info->screen_base);
-
- info->par = helper;
-
- fb = &vbox->afb.base;
- helper->fb = fb;
-
- strcpy(info->fix.id, "vboxdrmfb");
-
- info->fbops = &vboxfb_ops;
-
- /*
- * This seems to be done for safety checking that the framebuffer
- * is not registered twice by different drivers.
- */
- info->apertures->ranges[0].base = pci_resource_start(pdev, 0);
- info->apertures->ranges[0].size = pci_resource_len(pdev, 0);
-
- drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
- drm_fb_helper_fill_var(info, helper, sizes->fb_width,
- sizes->fb_height);
-
- gpu_addr = vbox_bo_gpu_offset(bo);
- info->fix.smem_start = info->apertures->ranges[0].base + gpu_addr;
- info->fix.smem_len = vbox->available_vram_size - gpu_addr;
-
-#ifdef CONFIG_DRM_KMS_FB_HELPER
- info->fbdefio = &vbox_defio;
- fb_deferred_io_init(info);
-#endif
-
- info->pixmap.flags = FB_PIXMAP_SYSTEM;
-
- DRM_DEBUG_KMS("allocated %dx%d\n", fb->width, fb->height);
-
- return 0;
-}
-
-void vbox_fbdev_fini(struct vbox_private *vbox)
-{
- struct vbox_framebuffer *afb = &vbox->afb;
-
-#ifdef CONFIG_DRM_KMS_FB_HELPER
- if (vbox->fb_helper.fbdev && vbox->fb_helper.fbdev->fbdefio)
- fb_deferred_io_cleanup(vbox->fb_helper.fbdev);
-#endif
-
- drm_fb_helper_unregister_fbi(&vbox->fb_helper);
-
- if (afb->obj) {
- struct vbox_bo *bo = gem_to_vbox_bo(afb->obj);
-
- vbox_bo_kunmap(bo);
-
- if (bo->pin_count)
- vbox_bo_unpin(bo);
-
- drm_gem_object_put_unlocked(afb->obj);
- afb->obj = NULL;
- }
- drm_fb_helper_fini(&vbox->fb_helper);
-
- drm_framebuffer_unregister_private(&afb->base);
- drm_framebuffer_cleanup(&afb->base);
-}