diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_fb.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_fb.c | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c deleted file mode 100644 index 371d753e362..00000000000 --- a/drivers/gpu/drm/i915/intel_fb.c +++ /dev/null @@ -1,280 +0,0 @@ -/* - * Copyright © 2007 David Airlie - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice (including the next - * paragraph) shall be included in all copies or substantial portions of the - * Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - * DEALINGS IN THE SOFTWARE. - * - * Authors: - * David Airlie - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/tty.h> -#include <linux/slab.h> -#include <linux/sysrq.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/init.h> - -#include "drmP.h" -#include "drm.h" -#include "drm_crtc.h" -#include "drm_fb_helper.h" -#include "intel_drv.h" -#include "i915_drm.h" -#include "i915_drv.h" - -struct intelfb_par { - struct drm_fb_helper helper; - struct intel_framebuffer *intel_fb; - struct drm_display_mode *our_mode; -}; - -static struct fb_ops intelfb_ops = { - .owner = THIS_MODULE, - .fb_check_var = drm_fb_helper_check_var, - .fb_set_par = drm_fb_helper_set_par, - .fb_setcolreg = drm_fb_helper_setcolreg, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_pan_display = drm_fb_helper_pan_display, - .fb_blank = drm_fb_helper_blank, - .fb_setcmap = drm_fb_helper_setcmap, -}; - -static struct drm_fb_helper_funcs intel_fb_helper_funcs = { - .gamma_set = intel_crtc_fb_gamma_set, - .gamma_get = intel_crtc_fb_gamma_get, -}; - - -/** - * Currently it is assumed that the old framebuffer is reused. - * - * LOCKING - * caller should hold the mode config lock. - * - */ -int intelfb_resize(struct drm_device *dev, struct drm_crtc *crtc) -{ - struct fb_info *info; - struct drm_framebuffer *fb; - struct drm_display_mode *mode = crtc->desired_mode; - - fb = crtc->fb; - if (!fb) - return 1; - - info = fb->fbdev; - if (!info) - return 1; - - if (!mode) - return 1; - - info->var.xres = mode->hdisplay; - info->var.right_margin = mode->hsync_start - mode->hdisplay; - info->var.hsync_len = mode->hsync_end - mode->hsync_start; - info->var.left_margin = mode->htotal - mode->hsync_end; - info->var.yres = mode->vdisplay; - info->var.lower_margin = mode->vsync_start - mode->vdisplay; - info->var.vsync_len = mode->vsync_end - mode->vsync_start; - info->var.upper_margin = mode->vtotal - mode->vsync_end; - info->var.pixclock = 10000000 / mode->htotal * 1000 / mode->vtotal * 100; - /* avoid overflow */ - info->var.pixclock = info->var.pixclock * 1000 / mode->vrefresh; - - return 0; -} -EXPORT_SYMBOL(intelfb_resize); - -static int intelfb_create(struct drm_device *dev, uint32_t fb_width, - uint32_t fb_height, uint32_t surface_width, - uint32_t surface_height, - uint32_t surface_depth, uint32_t surface_bpp, - struct drm_framebuffer **fb_p) -{ - struct fb_info *info; - struct intelfb_par *par; - struct drm_framebuffer *fb; - struct intel_framebuffer *intel_fb; - struct drm_mode_fb_cmd mode_cmd; - struct drm_gem_object *fbo = NULL; - struct drm_i915_gem_object *obj_priv; - struct device *device = &dev->pdev->dev; - int size, ret, mmio_bar = IS_I9XX(dev) ? 0 : 1; - - /* we don't do packed 24bpp */ - if (surface_bpp == 24) - surface_bpp = 32; - - mode_cmd.width = surface_width; - mode_cmd.height = surface_height; - - mode_cmd.bpp = surface_bpp; - mode_cmd.pitch = ALIGN(mode_cmd.width * ((mode_cmd.bpp + 1) / 8), 64); - mode_cmd.depth = surface_depth; - - size = mode_cmd.pitch * mode_cmd.height; - size = ALIGN(size, PAGE_SIZE); - fbo = drm_gem_object_alloc(dev, size); - if (!fbo) { - DRM_ERROR("failed to allocate framebuffer\n"); - ret = -ENOMEM; - goto out; - } - obj_priv = fbo->driver_private; - - mutex_lock(&dev->struct_mutex); - - ret = i915_gem_object_pin(fbo, PAGE_SIZE); - if (ret) { - DRM_ERROR("failed to pin fb: %d\n", ret); - goto out_unref; - } - - /* Flush everything out, we'll be doing GTT only from now on */ - i915_gem_object_set_to_gtt_domain(fbo, 1); - - ret = intel_framebuffer_create(dev, &mode_cmd, &fb, fbo); - if (ret) { - DRM_ERROR("failed to allocate fb.\n"); - goto out_unpin; - } - - list_add(&fb->filp_head, &dev->mode_config.fb_kernel_list); - - intel_fb = to_intel_framebuffer(fb); - *fb_p = fb; - - info = framebuffer_alloc(sizeof(struct intelfb_par), device); - if (!info) { - ret = -ENOMEM; - goto out_unpin; - } - - par = info->par; - - par->helper.funcs = &intel_fb_helper_funcs; - par->helper.dev = dev; - ret = drm_fb_helper_init_crtc_count(&par->helper, 2, - INTELFB_CONN_LIMIT); - if (ret) - goto out_unref; - - strcpy(info->fix.id, "inteldrmfb"); - - info->flags = FBINFO_DEFAULT; - - info->fbops = &intelfb_ops; - - - /* setup aperture base/size for vesafb takeover */ - info->aperture_base = dev->mode_config.fb_base; - if (IS_I9XX(dev)) - info->aperture_size = pci_resource_len(dev->pdev, 2); - else - info->aperture_size = pci_resource_len(dev->pdev, 0); - - info->fix.smem_start = dev->mode_config.fb_base + obj_priv->gtt_offset; - info->fix.smem_len = size; - - info->flags = FBINFO_DEFAULT; - - info->screen_base = ioremap_wc(dev->agp->base + obj_priv->gtt_offset, - size); - if (!info->screen_base) { - ret = -ENOSPC; - goto out_unpin; - } - info->screen_size = size; - -// memset(info->screen_base, 0, size); - - drm_fb_helper_fill_fix(info, fb->pitch, fb->depth); - drm_fb_helper_fill_var(info, fb, fb_width, fb_height); - - /* FIXME: we really shouldn't expose mmio space at all */ - info->fix.mmio_start = pci_resource_start(dev->pdev, mmio_bar); - info->fix.mmio_len = pci_resource_len(dev->pdev, mmio_bar); - - info->pixmap.size = 64*1024; - info->pixmap.buf_align = 8; - info->pixmap.access_align = 32; - info->pixmap.flags = FB_PIXMAP_SYSTEM; - info->pixmap.scan_align = 1; - - fb->fbdev = info; - - par->intel_fb = intel_fb; - - /* To allow resizeing without swapping buffers */ - DRM_DEBUG_KMS("allocated %dx%d fb: 0x%08x, bo %p\n", - intel_fb->base.width, intel_fb->base.height, - obj_priv->gtt_offset, fbo); - - mutex_unlock(&dev->struct_mutex); - return 0; - -out_unpin: - i915_gem_object_unpin(fbo); -out_unref: - drm_gem_object_unreference(fbo); - mutex_unlock(&dev->struct_mutex); -out: - return ret; -} - -int intelfb_probe(struct drm_device *dev) -{ - int ret; - - DRM_DEBUG_KMS("\n"); - ret = drm_fb_helper_single_fb_probe(dev, 32, intelfb_create); - return ret; -} -EXPORT_SYMBOL(intelfb_probe); - -int intelfb_remove(struct drm_device *dev, struct drm_framebuffer *fb) -{ - struct fb_info *info; - - if (!fb) - return -EINVAL; - - info = fb->fbdev; - - if (info) { - struct intelfb_par *par = info->par; - unregister_framebuffer(info); - iounmap(info->screen_base); - if (info->par) - drm_fb_helper_free(&par->helper); - framebuffer_release(info); - } - - return 0; -} -EXPORT_SYMBOL(intelfb_remove); -MODULE_LICENSE("GPL and additional rights"); |