diff options
Diffstat (limited to 'drivers/gpu/drm/exynos_tmp/exynos_drm_fb.c')
-rw-r--r-- | drivers/gpu/drm/exynos_tmp/exynos_drm_fb.c | 251 |
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; -} |