| /* |
| * 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.h" |
| #include "drm_crtc_helper.h" |
| |
| #include <drm/exynos_drm.h> |
| |
| #include "exynos_drm_drv.h" |
| #include "exynos_drm_crtc.h" |
| #include "exynos_drm_encoder.h" |
| #include "exynos_drm_fbdev.h" |
| #include "exynos_drm_fb.h" |
| #include "exynos_drm_gem.h" |
| #include "exynos_drm_plane.h" |
| #include "exynos_drm_vidi.h" |
| #include "exynos_drm_dmabuf.h" |
| #include "exynos_drm_g2d.h" |
| |
| #define DRIVER_NAME "exynos" |
| #define DRIVER_DESC "Samsung SoC DRM" |
| #define DRIVER_DATE "20110530" |
| #define DRIVER_MAJOR 1 |
| #define DRIVER_MINOR 0 |
| |
| #define VBLANK_OFF_DELAY 50000 |
| |
| static int exynos_drm_load(struct drm_device *dev, unsigned long flags) |
| { |
| struct exynos_drm_private *private; |
| int ret; |
| int nr; |
| |
| DRM_DEBUG_DRIVER("%s\n", __FILE__); |
| |
| private = kzalloc(sizeof(struct exynos_drm_private), GFP_KERNEL); |
| if (!private) { |
| DRM_ERROR("failed to allocate private\n"); |
| return -ENOMEM; |
| } |
| |
| INIT_LIST_HEAD(&private->pageflip_event_list); |
| dev->dev_private = (void *)private; |
| |
| drm_mode_config_init(dev); |
| |
| /* init kms poll for handling hpd */ |
| drm_kms_helper_poll_init(dev); |
| |
| exynos_drm_mode_config_init(dev); |
| |
| /* |
| * EXYNOS4 is enough to have two CRTCs and each crtc would be used |
| * without dependency of hardware. |
| */ |
| for (nr = 0; nr < MAX_CRTC; nr++) { |
| ret = exynos_drm_crtc_create(dev, nr); |
| if (ret) |
| goto err_crtc; |
| } |
| |
| for (nr = 0; nr < MAX_PLANE; nr++) { |
| struct drm_plane *plane; |
| unsigned int possible_crtcs = (1 << MAX_CRTC) - 1; |
| |
| plane = exynos_plane_init(dev, possible_crtcs, false); |
| if (!plane) |
| goto err_crtc; |
| } |
| |
| ret = drm_vblank_init(dev, MAX_CRTC); |
| if (ret) |
| goto err_crtc; |
| |
| /* |
| * probe sub drivers such as display controller and hdmi driver, |
| * that were registered at probe() of platform driver |
| * to the sub driver and create encoder and connector for them. |
| */ |
| ret = exynos_drm_device_register(dev); |
| if (ret) |
| goto err_vblank; |
| |
| /* setup possible_clones. */ |
| exynos_drm_encoder_setup(dev); |
| |
| /* |
| * create and configure fb helper and also exynos specific |
| * fbdev object. |
| */ |
| ret = exynos_drm_fbdev_init(dev); |
| if (ret) { |
| DRM_ERROR("failed to initialize drm fbdev\n"); |
| goto err_drm_device; |
| } |
| |
| drm_vblank_offdelay = VBLANK_OFF_DELAY; |
| |
| return 0; |
| |
| err_drm_device: |
| exynos_drm_device_unregister(dev); |
| err_vblank: |
| drm_vblank_cleanup(dev); |
| err_crtc: |
| drm_mode_config_cleanup(dev); |
| kfree(private); |
| |
| return ret; |
| } |
| |
| static int exynos_drm_unload(struct drm_device *dev) |
| { |
| DRM_DEBUG_DRIVER("%s\n", __FILE__); |
| |
| exynos_drm_fbdev_fini(dev); |
| exynos_drm_device_unregister(dev); |
| drm_vblank_cleanup(dev); |
| drm_kms_helper_poll_fini(dev); |
| drm_mode_config_cleanup(dev); |
| kfree(dev->dev_private); |
| |
| dev->dev_private = NULL; |
| |
| return 0; |
| } |
| |
| static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) |
| { |
| struct drm_exynos_file_private *file_priv; |
| |
| DRM_DEBUG_DRIVER("%s\n", __FILE__); |
| |
| file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL); |
| if (!file_priv) |
| return -ENOMEM; |
| |
| drm_prime_init_file_private(&file->prime); |
| file->driver_priv = file_priv; |
| |
| return exynos_drm_subdrv_open(dev, file); |
| } |
| |
| static void exynos_drm_preclose(struct drm_device *dev, |
| struct drm_file *file) |
| { |
| struct exynos_drm_private *private = dev->dev_private; |
| struct drm_pending_vblank_event *e, *t; |
| unsigned long flags; |
| |
| DRM_DEBUG_DRIVER("%s\n", __FILE__); |
| |
| /* release events of current file */ |
| spin_lock_irqsave(&dev->event_lock, flags); |
| list_for_each_entry_safe(e, t, &private->pageflip_event_list, |
| base.link) { |
| if (e->base.file_priv == file) { |
| list_del(&e->base.link); |
| e->base.destroy(&e->base); |
| } |
| } |
| drm_prime_destroy_file_private(&file->prime); |
| spin_unlock_irqrestore(&dev->event_lock, flags); |
| |
| exynos_drm_subdrv_close(dev, file); |
| } |
| |
| static void exynos_drm_postclose(struct drm_device *dev, struct drm_file *file) |
| { |
| DRM_DEBUG_DRIVER("%s\n", __FILE__); |
| |
| if (!file->driver_priv) |
| return; |
| |
| kfree(file->driver_priv); |
| file->driver_priv = NULL; |
| } |
| |
| static void exynos_drm_lastclose(struct drm_device *dev) |
| { |
| DRM_DEBUG_DRIVER("%s\n", __FILE__); |
| |
| exynos_drm_fbdev_restore_mode(dev); |
| } |
| |
| static const struct vm_operations_struct exynos_drm_gem_vm_ops = { |
| .fault = exynos_drm_gem_fault, |
| .open = drm_gem_vm_open, |
| .close = drm_gem_vm_close, |
| }; |
| |
| static struct drm_ioctl_desc exynos_ioctls[] = { |
| DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE, exynos_drm_gem_create_ioctl, |
| DRM_UNLOCKED | DRM_AUTH), |
| DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP_OFFSET, |
| exynos_drm_gem_map_offset_ioctl, DRM_UNLOCKED | |
| DRM_AUTH), |
| DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MMAP, |
| exynos_drm_gem_mmap_ioctl, DRM_UNLOCKED | DRM_AUTH), |
| DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET, |
| exynos_drm_gem_get_ioctl, DRM_UNLOCKED), |
| DRM_IOCTL_DEF_DRV(EXYNOS_PLANE_SET_ZPOS, exynos_plane_set_zpos_ioctl, |
| DRM_UNLOCKED | DRM_AUTH), |
| DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION, |
| vidi_connection_ioctl, DRM_UNLOCKED | DRM_AUTH), |
| DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER, |
| exynos_g2d_get_ver_ioctl, DRM_UNLOCKED | DRM_AUTH), |
| DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST, |
| exynos_g2d_set_cmdlist_ioctl, DRM_UNLOCKED | DRM_AUTH), |
| DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC, |
| exynos_g2d_exec_ioctl, DRM_UNLOCKED | DRM_AUTH), |
| }; |
| |
| static const struct file_operations exynos_drm_driver_fops = { |
| .owner = THIS_MODULE, |
| .open = drm_open, |
| .mmap = exynos_drm_gem_mmap, |
| .poll = drm_poll, |
| .read = drm_read, |
| .unlocked_ioctl = drm_ioctl, |
| .release = drm_release, |
| }; |
| |
| static struct drm_driver exynos_drm_driver = { |
| .driver_features = DRIVER_HAVE_IRQ | DRIVER_MODESET | |
| DRIVER_GEM | DRIVER_PRIME, |
| .load = exynos_drm_load, |
| .unload = exynos_drm_unload, |
| .open = exynos_drm_open, |
| .preclose = exynos_drm_preclose, |
| .lastclose = exynos_drm_lastclose, |
| .postclose = exynos_drm_postclose, |
| .get_vblank_counter = drm_vblank_count, |
| .enable_vblank = exynos_drm_crtc_enable_vblank, |
| .disable_vblank = exynos_drm_crtc_disable_vblank, |
| .gem_init_object = exynos_drm_gem_init_object, |
| .gem_free_object = exynos_drm_gem_free_object, |
| .gem_vm_ops = &exynos_drm_gem_vm_ops, |
| .dumb_create = exynos_drm_gem_dumb_create, |
| .dumb_map_offset = exynos_drm_gem_dumb_map_offset, |
| .dumb_destroy = exynos_drm_gem_dumb_destroy, |
| .prime_handle_to_fd = drm_gem_prime_handle_to_fd, |
| .prime_fd_to_handle = drm_gem_prime_fd_to_handle, |
| .gem_prime_export = exynos_dmabuf_prime_export, |
| .gem_prime_import = exynos_dmabuf_prime_import, |
| .ioctls = exynos_ioctls, |
| .fops = &exynos_drm_driver_fops, |
| .name = DRIVER_NAME, |
| .desc = DRIVER_DESC, |
| .date = DRIVER_DATE, |
| .major = DRIVER_MAJOR, |
| .minor = DRIVER_MINOR, |
| }; |
| |
| static int exynos_drm_platform_probe(struct platform_device *pdev) |
| { |
| DRM_DEBUG_DRIVER("%s\n", __FILE__); |
| |
| exynos_drm_driver.num_ioctls = DRM_ARRAY_SIZE(exynos_ioctls); |
| |
| return drm_platform_init(&exynos_drm_driver, pdev); |
| } |
| |
| static int exynos_drm_platform_remove(struct platform_device *pdev) |
| { |
| DRM_DEBUG_DRIVER("%s\n", __FILE__); |
| |
| drm_platform_exit(&exynos_drm_driver, pdev); |
| |
| return 0; |
| } |
| |
| static struct platform_driver exynos_drm_platform_driver = { |
| .probe = exynos_drm_platform_probe, |
| .remove = __devexit_p(exynos_drm_platform_remove), |
| .driver = { |
| .owner = THIS_MODULE, |
| .name = "exynos-drm", |
| }, |
| }; |
| |
| static int __init exynos_drm_init(void) |
| { |
| int ret; |
| |
| DRM_DEBUG_DRIVER("%s\n", __FILE__); |
| |
| #ifdef CONFIG_DRM_EXYNOS_FIMD |
| ret = platform_driver_register(&fimd_driver); |
| if (ret < 0) |
| goto out_fimd; |
| #endif |
| |
| #ifdef CONFIG_DRM_EXYNOS_HDMI |
| ret = platform_driver_register(&hdmi_driver); |
| if (ret < 0) |
| goto out_hdmi; |
| ret = platform_driver_register(&mixer_driver); |
| if (ret < 0) |
| goto out_mixer; |
| ret = platform_driver_register(&exynos_drm_common_hdmi_driver); |
| if (ret < 0) |
| goto out_common_hdmi; |
| #endif |
| |
| #ifdef CONFIG_DRM_EXYNOS_VIDI |
| ret = platform_driver_register(&vidi_driver); |
| if (ret < 0) |
| goto out_vidi; |
| #endif |
| |
| #ifdef CONFIG_DRM_EXYNOS_G2D |
| ret = platform_driver_register(&g2d_driver); |
| if (ret < 0) |
| goto out_g2d; |
| #endif |
| |
| ret = platform_driver_register(&exynos_drm_platform_driver); |
| if (ret < 0) |
| goto out; |
| |
| return 0; |
| |
| out: |
| #ifdef CONFIG_DRM_EXYNOS_G2D |
| platform_driver_unregister(&g2d_driver); |
| out_g2d: |
| #endif |
| |
| #ifdef CONFIG_DRM_EXYNOS_VIDI |
| out_vidi: |
| platform_driver_unregister(&vidi_driver); |
| #endif |
| |
| #ifdef CONFIG_DRM_EXYNOS_HDMI |
| platform_driver_unregister(&exynos_drm_common_hdmi_driver); |
| out_common_hdmi: |
| platform_driver_unregister(&mixer_driver); |
| out_mixer: |
| platform_driver_unregister(&hdmi_driver); |
| out_hdmi: |
| #endif |
| |
| #ifdef CONFIG_DRM_EXYNOS_FIMD |
| platform_driver_unregister(&fimd_driver); |
| out_fimd: |
| #endif |
| return ret; |
| } |
| |
| static void __exit exynos_drm_exit(void) |
| { |
| DRM_DEBUG_DRIVER("%s\n", __FILE__); |
| |
| platform_driver_unregister(&exynos_drm_platform_driver); |
| |
| #ifdef CONFIG_DRM_EXYNOS_G2D |
| platform_driver_unregister(&g2d_driver); |
| #endif |
| |
| #ifdef CONFIG_DRM_EXYNOS_HDMI |
| platform_driver_unregister(&exynos_drm_common_hdmi_driver); |
| platform_driver_unregister(&mixer_driver); |
| platform_driver_unregister(&hdmi_driver); |
| #endif |
| |
| #ifdef CONFIG_DRM_EXYNOS_VIDI |
| platform_driver_unregister(&vidi_driver); |
| #endif |
| |
| #ifdef CONFIG_DRM_EXYNOS_FIMD |
| platform_driver_unregister(&fimd_driver); |
| #endif |
| } |
| |
| module_init(exynos_drm_init); |
| module_exit(exynos_drm_exit); |
| |
| MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); |
| MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>"); |
| MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>"); |
| MODULE_DESCRIPTION("Samsung SoC DRM Driver"); |
| MODULE_LICENSE("GPL"); |