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Diffstat (limited to 'drivers/gpu/drm/exynos_tmp/exynos_drm_fb.c')
-rw-r--r--drivers/gpu/drm/exynos_tmp/exynos_drm_fb.c251
1 files changed, 0 insertions, 251 deletions
diff --git a/drivers/gpu/drm/exynos_tmp/exynos_drm_fb.c b/drivers/gpu/drm/exynos_tmp/exynos_drm_fb.c
deleted file mode 100644
index 7b47330..0000000
--- a/drivers/gpu/drm/exynos_tmp/exynos_drm_fb.c
+++ /dev/null
@@ -1,251 +0,0 @@
-/* exynos_drm_fb.c
- *
- * Copyright (c) 2011 Samsung Electronics Co., Ltd.
- * Authors:
- * Inki Dae <inki.dae@samsung.com>
- * Joonyoung Shim <jy0922.shim@samsung.com>
- * Seung-Woo Kim <sw0312.kim@samsung.com>
- *
- * 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
- * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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.
- */
-
-#include "drmP.h"
-#include "drm_crtc.h"
-#include "drm_crtc_helper.h"
-#include "drm_fb_helper.h"
-
-#include "exynos_drm.h"
-#include "exynos_drm_drv.h"
-#include "exynos_drm_fb.h"
-#include "exynos_drm_gem.h"
-
-#define to_exynos_fb(x) container_of(x, struct exynos_drm_fb, fb)
-
-/*
- * exynos specific framebuffer structure.
- *
- * @fb: drm framebuffer obejct.
- * @exynos_gem_obj: array of exynos specific gem object containing a gem object.
- */
-struct exynos_drm_fb {
- struct drm_framebuffer fb;
- struct exynos_drm_gem_obj *exynos_gem_obj[MAX_FB_BUFFER];
-};
-
-static int check_fb_gem_memory_type(struct exynos_drm_gem_obj *exynos_gem_obj)
-{
- unsigned int flags;
-
- flags = exynos_gem_obj->flags;
-
- /* not support physically non-continuous memory for fb yet. TODO */
- if (IS_NONCONTIG_BUFFER(flags)) {
- DRM_ERROR("cannot use this gem memory type for fb.\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static void exynos_drm_fb_destroy(struct drm_framebuffer *fb)
-{
- struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb);
-
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- drm_framebuffer_cleanup(fb);
-
- kfree(exynos_fb);
- exynos_fb = NULL;
-}
-
-static int exynos_drm_fb_create_handle(struct drm_framebuffer *fb,
- struct drm_file *file_priv,
- unsigned int *handle)
-{
- struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb);
-
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- return drm_gem_handle_create(file_priv,
- &exynos_fb->exynos_gem_obj[0]->base, handle);
-}
-
-static int exynos_drm_fb_dirty(struct drm_framebuffer *fb,
- struct drm_file *file_priv, unsigned flags,
- unsigned color, struct drm_clip_rect *clips,
- unsigned num_clips)
-{
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- /* TODO */
-
- return 0;
-}
-
-static struct drm_framebuffer_funcs exynos_drm_fb_funcs = {
- .destroy = exynos_drm_fb_destroy,
- .create_handle = exynos_drm_fb_create_handle,
- .dirty = exynos_drm_fb_dirty,
-};
-
-struct drm_framebuffer *
-exynos_drm_framebuffer_init(struct drm_device *dev,
- struct drm_mode_fb_cmd2 *mode_cmd,
- struct drm_gem_object *obj)
-{
- struct exynos_drm_fb *exynos_fb;
- struct exynos_drm_gem_obj *exynos_gem_obj;
- int ret;
-
- exynos_gem_obj = to_exynos_gem_obj(obj);
-
- ret = check_fb_gem_memory_type(exynos_gem_obj);
- if (ret < 0) {
- DRM_ERROR("cannot use this gem memory type for fb.\n");
- return ERR_PTR(-EINVAL);
- }
-
- exynos_fb = kzalloc(sizeof(*exynos_fb), GFP_KERNEL);
- if (!exynos_fb) {
- DRM_ERROR("failed to allocate exynos drm framebuffer\n");
- return ERR_PTR(-ENOMEM);
- }
-
- exynos_fb->exynos_gem_obj[0] = exynos_gem_obj;
-
- ret = drm_framebuffer_init(dev, &exynos_fb->fb, &exynos_drm_fb_funcs);
- if (ret) {
- DRM_ERROR("failed to initialize framebuffer\n");
- return ERR_PTR(ret);
- }
-
- drm_helper_mode_fill_fb_struct(&exynos_fb->fb, mode_cmd);
-
- return &exynos_fb->fb;
-}
-
-static struct drm_framebuffer *
-exynos_user_fb_create(struct drm_device *dev, struct drm_file *file_priv,
- struct drm_mode_fb_cmd2 *mode_cmd)
-{
- struct drm_gem_object *obj;
- struct drm_framebuffer *fb;
- struct exynos_drm_fb *exynos_fb;
- int nr;
- int i;
-
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
- if (!obj) {
- DRM_ERROR("failed to lookup gem object\n");
- return ERR_PTR(-ENOENT);
- }
-
- drm_gem_object_unreference_unlocked(obj);
-
- fb = exynos_drm_framebuffer_init(dev, mode_cmd, obj);
- if (IS_ERR(fb))
- return fb;
-
- exynos_fb = to_exynos_fb(fb);
- nr = exynos_drm_format_num_buffers(fb->pixel_format);
-
- for (i = 1; i < nr; i++) {
- struct exynos_drm_gem_obj *exynos_gem_obj;
- int ret;
-
- obj = drm_gem_object_lookup(dev, file_priv,
- mode_cmd->handles[i]);
- if (!obj) {
- DRM_ERROR("failed to lookup gem object\n");
- exynos_drm_fb_destroy(fb);
- return ERR_PTR(-ENOENT);
- }
-
- drm_gem_object_unreference_unlocked(obj);
-
- exynos_gem_obj = to_exynos_gem_obj(obj);
-
- ret = check_fb_gem_memory_type(exynos_gem_obj);
- if (ret < 0) {
- DRM_ERROR("cannot use this gem memory type for fb.\n");
- exynos_drm_fb_destroy(fb);
- return ERR_PTR(ret);
- }
-
- exynos_fb->exynos_gem_obj[i] = to_exynos_gem_obj(obj);
- }
-
- return fb;
-}
-
-struct exynos_drm_gem_buf *exynos_drm_fb_buffer(struct drm_framebuffer *fb,
- int index)
-{
- struct exynos_drm_fb *exynos_fb = to_exynos_fb(fb);
- struct exynos_drm_gem_buf *buffer;
-
- DRM_DEBUG_KMS("%s\n", __FILE__);
-
- if (index >= MAX_FB_BUFFER)
- return NULL;
-
- buffer = exynos_fb->exynos_gem_obj[index]->buffer;
- if (!buffer)
- return NULL;
-
- DRM_DEBUG_KMS("vaddr = 0x%lx, dma_addr = 0x%lx\n",
- (unsigned long)buffer->kvaddr,
- (unsigned long)buffer->dma_addr);
-
- return buffer;
-}
-
-static void exynos_drm_output_poll_changed(struct drm_device *dev)
-{
- struct exynos_drm_private *private = dev->dev_private;
- struct drm_fb_helper *fb_helper = private->fb_helper;
-
- if (fb_helper)
- drm_fb_helper_hotplug_event(fb_helper);
-}
-
-static struct drm_mode_config_funcs exynos_drm_mode_config_funcs = {
- .fb_create = exynos_user_fb_create,
- .output_poll_changed = exynos_drm_output_poll_changed,
-};
-
-void exynos_drm_mode_config_init(struct drm_device *dev)
-{
- dev->mode_config.min_width = 0;
- dev->mode_config.min_height = 0;
-
- /*
- * set max width and height as default value(4096x4096).
- * this value would be used to check framebuffer size limitation
- * at drm_mode_addfb().
- */
- dev->mode_config.max_width = 4096;
- dev->mode_config.max_height = 4096;
-
- dev->mode_config.funcs = &exynos_drm_mode_config_funcs;
-}