[mirror_ubuntu-focal-kernel.git] / drivers / gpu / drm / exynos / exynos_drm_drv.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 <drm/drmP.h>
#include <drm/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"
#include "exynos_drm_ipp.h"
#include "exynos_drm_iommu.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

/* platform device pointer for eynos drm device. */
static struct platform_device *exynos_drm_pdev;

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;

	/*
	 * create mapping to manage iommu table and set a pointer to iommu
	 * mapping structure to iommu_mapping of private data.
	 * also this iommu_mapping can be used to check if iommu is supported
	 * or not.
	 */
	ret = drm_create_iommu_mapping(dev);
	if (ret < 0) {
		DRM_ERROR("failed to create iommu mapping.\n");
		goto err_crtc;
	}

	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_release_iommu_mapping;
	}

	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_release_iommu_mapping;
	}

	ret = drm_vblank_init(dev, MAX_CRTC);
	if (ret)
		goto err_release_iommu_mapping;

	/*
	 * 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_release_iommu_mapping:
	drm_release_iommu_mapping(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);

	drm_release_iommu_mapping(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;

	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);
		}
	}
	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_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),
	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_PROPERTY,
			exynos_drm_ipp_get_property, DRM_UNLOCKED | DRM_AUTH),
	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_SET_PROPERTY,
			exynos_drm_ipp_set_property, DRM_UNLOCKED | DRM_AUTH),
	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_QUEUE_BUF,
			exynos_drm_ipp_queue_buf, DRM_UNLOCKED | DRM_AUTH),
	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_CMD_CTRL,
			exynos_drm_ipp_cmd_ctrl, 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,
#ifdef CONFIG_COMPAT
	.compat_ioctl = drm_compat_ioctl,
#endif
	.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__);

	pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
	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;

	ret = exynos_platform_device_hdmi_register();
	if (ret < 0)
		goto out_common_hdmi_dev;
#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

#ifdef CONFIG_DRM_EXYNOS_FIMC
	ret = platform_driver_register(&fimc_driver);
	if (ret < 0)
		goto out_fimc;
#endif

#ifdef CONFIG_DRM_EXYNOS_ROTATOR
	ret = platform_driver_register(&rotator_driver);
	if (ret < 0)
		goto out_rotator;
#endif

#ifdef CONFIG_DRM_EXYNOS_GSC
	ret = platform_driver_register(&gsc_driver);
	if (ret < 0)
		goto out_gsc;
#endif

#ifdef CONFIG_DRM_EXYNOS_IPP
	ret = platform_driver_register(&ipp_driver);
	if (ret < 0)
		goto out_ipp;
#endif

	ret = platform_driver_register(&exynos_drm_platform_driver);
	if (ret < 0)
		goto out_drm;

	exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1,
				NULL, 0);
	if (IS_ERR_OR_NULL(exynos_drm_pdev)) {
		ret = PTR_ERR(exynos_drm_pdev);
		goto out;
	}

	return 0;

out:
	platform_driver_unregister(&exynos_drm_platform_driver);

out_drm:
#ifdef CONFIG_DRM_EXYNOS_IPP
	platform_driver_unregister(&ipp_driver);
out_ipp:
#endif

#ifdef CONFIG_DRM_EXYNOS_GSC
	platform_driver_unregister(&gsc_driver);
out_gsc:
#endif

#ifdef CONFIG_DRM_EXYNOS_ROTATOR
	platform_driver_unregister(&rotator_driver);
out_rotator:
#endif

#ifdef CONFIG_DRM_EXYNOS_FIMC
	platform_driver_unregister(&fimc_driver);
out_fimc:
#endif

#ifdef CONFIG_DRM_EXYNOS_G2D
	platform_driver_unregister(&g2d_driver);
out_g2d:
#endif

#ifdef CONFIG_DRM_EXYNOS_VIDI
	platform_driver_unregister(&vidi_driver);
out_vidi:
#endif

#ifdef CONFIG_DRM_EXYNOS_HDMI
	exynos_platform_device_hdmi_unregister();
out_common_hdmi_dev:
	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_device_unregister(exynos_drm_pdev);

	platform_driver_unregister(&exynos_drm_platform_driver);

#ifdef CONFIG_DRM_EXYNOS_IPP
	platform_driver_unregister(&ipp_driver);
#endif

#ifdef CONFIG_DRM_EXYNOS_GSC
	platform_driver_unregister(&gsc_driver);
#endif

#ifdef CONFIG_DRM_EXYNOS_ROTATOR
	platform_driver_unregister(&rotator_driver);
#endif

#ifdef CONFIG_DRM_EXYNOS_FIMC
	platform_driver_unregister(&fimc_driver);
#endif

#ifdef CONFIG_DRM_EXYNOS_G2D
	platform_driver_unregister(&g2d_driver);
#endif

#ifdef CONFIG_DRM_EXYNOS_HDMI
	exynos_platform_device_hdmi_unregister();
	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");
Commit	Line	Data
1c248b7d ID	1	/*
	2	* Copyright (c) 2011 Samsung Electronics Co., Ltd.
	3	* Authors:
	4	* Inki Dae <inki.dae@samsung.com>
	5	* Joonyoung Shim <jy0922.shim@samsung.com>
	6	* Seung-Woo Kim <sw0312.kim@samsung.com>
	7	*
	8	* Permission is hereby granted, free of charge, to any person obtaining a
	9	* copy of this software and associated documentation files (the "Software"),
	10	* to deal in the Software without restriction, including without limitation
	11	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	12	* and/or sell copies of the Software, and to permit persons to whom the
	13	* Software is furnished to do so, subject to the following conditions:
	14	*
	15	* The above copyright notice and this permission notice (including the next
	16	* paragraph) shall be included in all copies or substantial portions of the
	17	* Software.
	18	*
	19	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	20	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	21	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	22	* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
	23	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	24	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	25	* OTHER DEALINGS IN THE SOFTWARE.
	26	*/
	27
760285e7 DH	28	#include <drm/drmP.h>
760285e7 DH	29	#include <drm/drm_crtc_helper.h>
1c248b7d ID	30
	31	#include <drm/exynos_drm.h>
	32
	33	#include "exynos_drm_drv.h"
	34	#include "exynos_drm_crtc.h"
d081f566	35	#include "exynos_drm_encoder.h"
1c248b7d ID	36	#include "exynos_drm_fbdev.h"
	37	#include "exynos_drm_fb.h"
	38	#include "exynos_drm_gem.h"
864ee9e6	39	#include "exynos_drm_plane.h"
b73d1230	40	#include "exynos_drm_vidi.h"
b2df26c1	41	#include "exynos_drm_dmabuf.h"
d7f1642c	42	#include "exynos_drm_g2d.h"
cb471f14	43	#include "exynos_drm_ipp.h"
0519f9a1	44	#include "exynos_drm_iommu.h"
1c248b7d	45
0edf9936	46	#define DRIVER_NAME "exynos"
1c248b7d ID	47	#define DRIVER_DESC "Samsung SoC DRM"
	48	#define DRIVER_DATE "20110530"
	49	#define DRIVER_MAJOR 1
	50	#define DRIVER_MINOR 0
	51
52c68814 ID	52	#define VBLANK_OFF_DELAY 50000
52c68814 ID	53
422bd00e RS	54	/* platform device pointer for eynos drm device. */
	55	static struct platform_device *exynos_drm_pdev;
	56
1c248b7d ID	57	static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
	58	{
	59	struct exynos_drm_private *private;
	60	int ret;
	61	int nr;
	62
	63	DRM_DEBUG_DRIVER("%s\n", __FILE__);
	64
	65	private = kzalloc(sizeof(struct exynos_drm_private), GFP_KERNEL);
	66	if (!private) {
	67	DRM_ERROR("failed to allocate private\n");
	68	return -ENOMEM;
	69	}
	70
	71	INIT_LIST_HEAD(&private->pageflip_event_list);
	72	dev->dev_private = (void *)private;
	73
0519f9a1 ID	74	/*
	75	* create mapping to manage iommu table and set a pointer to iommu
	76	* mapping structure to iommu_mapping of private data.
	77	* also this iommu_mapping can be used to check if iommu is supported
	78	* or not.
	79	*/
	80	ret = drm_create_iommu_mapping(dev);
	81	if (ret < 0) {
	82	DRM_ERROR("failed to create iommu mapping.\n");
	83	goto err_crtc;
	84	}
	85
1c248b7d ID	86	drm_mode_config_init(dev);
1c248b7d ID	87
7db3eba6 SWK	88	/* init kms poll for handling hpd */
	89	drm_kms_helper_poll_init(dev);
	90
1c248b7d ID	91	exynos_drm_mode_config_init(dev);
	92
	93	/*
	94	* EXYNOS4 is enough to have two CRTCs and each crtc would be used
	95	* without dependency of hardware.
	96	*/
	97	for (nr = 0; nr < MAX_CRTC; nr++) {
	98	ret = exynos_drm_crtc_create(dev, nr);
	99	if (ret)
0519f9a1	100	goto err_release_iommu_mapping;
1c248b7d ID	101	}
1c248b7d ID	102
864ee9e6	103	for (nr = 0; nr < MAX_PLANE; nr++) {
b5d2eb3b JS	104	struct drm_plane *plane;
	105	unsigned int possible_crtcs = (1 << MAX_CRTC) - 1;
	106
	107	plane = exynos_plane_init(dev, possible_crtcs, false);
	108	if (!plane)
0519f9a1	109	goto err_release_iommu_mapping;
864ee9e6 JS	110	}
864ee9e6 JS	111
1c248b7d ID	112	ret = drm_vblank_init(dev, MAX_CRTC);
1c248b7d ID	113	if (ret)
0519f9a1	114	goto err_release_iommu_mapping;
1c248b7d ID	115
	116	/*
	117	* probe sub drivers such as display controller and hdmi driver,
	118	* that were registered at probe() of platform driver
	119	* to the sub driver and create encoder and connector for them.
	120	*/
	121	ret = exynos_drm_device_register(dev);
	122	if (ret)
	123	goto err_vblank;
	124
d081f566 ID	125	/* setup possible_clones. */
	126	exynos_drm_encoder_setup(dev);
	127
1c248b7d ID	128	/*
	129	* create and configure fb helper and also exynos specific
	130	* fbdev object.
	131	*/
	132	ret = exynos_drm_fbdev_init(dev);
	133	if (ret) {
	134	DRM_ERROR("failed to initialize drm fbdev\n");
	135	goto err_drm_device;
	136	}
	137
52c68814 ID	138	drm_vblank_offdelay = VBLANK_OFF_DELAY;
52c68814 ID	139
1c248b7d ID	140	return 0;
	141
	142	err_drm_device:
	143	exynos_drm_device_unregister(dev);
	144	err_vblank:
	145	drm_vblank_cleanup(dev);
0519f9a1 ID	146	err_release_iommu_mapping:
0519f9a1 ID	147	drm_release_iommu_mapping(dev);
1c248b7d ID	148	err_crtc:
	149	drm_mode_config_cleanup(dev);
	150	kfree(private);
	151
	152	return ret;
	153	}
	154
	155	static int exynos_drm_unload(struct drm_device *dev)
	156	{
	157	DRM_DEBUG_DRIVER("%s\n", __FILE__);
	158
	159	exynos_drm_fbdev_fini(dev);
	160	exynos_drm_device_unregister(dev);
	161	drm_vblank_cleanup(dev);
7db3eba6	162	drm_kms_helper_poll_fini(dev);
1c248b7d	163	drm_mode_config_cleanup(dev);
0519f9a1 ID	164
0519f9a1 ID	165	drm_release_iommu_mapping(dev);
1c248b7d ID	166	kfree(dev->dev_private);
	167
	168	dev->dev_private = NULL;
	169
	170	return 0;
	171	}
	172
9084f7b8 JS	173	static int exynos_drm_open(struct drm_device dev, struct drm_file file)
9084f7b8 JS	174	{
d7f1642c JS	175	struct drm_exynos_file_private *file_priv;
d7f1642c JS	176
9084f7b8 JS	177	DRM_DEBUG_DRIVER("%s\n", __FILE__);
9084f7b8 JS	178
d7f1642c JS	179	file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL);
	180	if (!file_priv)
	181	return -ENOMEM;
	182
d7f1642c	183	file->driver_priv = file_priv;
b2df26c1	184
9084f7b8 JS	185	return exynos_drm_subdrv_open(dev, file);
	186	}
	187
ccf4d883	188	static void exynos_drm_preclose(struct drm_device *dev,
6f811502	189	struct drm_file *file)
ccf4d883	190	{
3ab09435 JS	191	struct exynos_drm_private *private = dev->dev_private;
	192	struct drm_pending_vblank_event e, t;
	193	unsigned long flags;
	194
6f811502	195	DRM_DEBUG_DRIVER("%s\n", __FILE__);
ccf4d883	196
3ab09435 JS	197	/* release events of current file */
	198	spin_lock_irqsave(&dev->event_lock, flags);
	199	list_for_each_entry_safe(e, t, &private->pageflip_event_list,
	200	base.link) {
	201	if (e->base.file_priv == file) {
	202	list_del(&e->base.link);
	203	e->base.destroy(&e->base);
	204	}
	205	}
	206	spin_unlock_irqrestore(&dev->event_lock, flags);
9084f7b8 JS	207
9084f7b8 JS	208	exynos_drm_subdrv_close(dev, file);
ccf4d883 ID	209	}
ccf4d883 ID	210
53ef299f ID	211	static void exynos_drm_postclose(struct drm_device dev, struct drm_file file)
	212	{
	213	DRM_DEBUG_DRIVER("%s\n", __FILE__);
	214
	215	if (!file->driver_priv)
	216	return;
	217
	218	kfree(file->driver_priv);
	219	file->driver_priv = NULL;
	220	}
	221
1c248b7d ID	222	static void exynos_drm_lastclose(struct drm_device *dev)
	223	{
	224	DRM_DEBUG_DRIVER("%s\n", __FILE__);
	225
	226	exynos_drm_fbdev_restore_mode(dev);
	227	}
	228
78b68556	229	static const struct vm_operations_struct exynos_drm_gem_vm_ops = {
1c248b7d ID	230	.fault = exynos_drm_gem_fault,
	231	.open = drm_gem_vm_open,
	232	.close = drm_gem_vm_close,
	233	};
	234
	235	static struct drm_ioctl_desc exynos_ioctls[] = {
	236	DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE, exynos_drm_gem_create_ioctl,
	237	DRM_UNLOCKED \| DRM_AUTH),
	238	DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP_OFFSET,
	239	exynos_drm_gem_map_offset_ioctl, DRM_UNLOCKED \|
	240	DRM_AUTH),
	241	DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MMAP,
	242	exynos_drm_gem_mmap_ioctl, DRM_UNLOCKED \| DRM_AUTH),
40cd7e0c ID	243	DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET,
40cd7e0c ID	244	exynos_drm_gem_get_ioctl, DRM_UNLOCKED),
b73d1230 ID	245	DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION,
b73d1230 ID	246	vidi_connection_ioctl, DRM_UNLOCKED \| DRM_AUTH),
d7f1642c JS	247	DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER,
	248	exynos_g2d_get_ver_ioctl, DRM_UNLOCKED \| DRM_AUTH),
	249	DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST,
	250	exynos_g2d_set_cmdlist_ioctl, DRM_UNLOCKED \| DRM_AUTH),
	251	DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC,
	252	exynos_g2d_exec_ioctl, DRM_UNLOCKED \| DRM_AUTH),
cb471f14 EK	253	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_PROPERTY,
	254	exynos_drm_ipp_get_property, DRM_UNLOCKED \| DRM_AUTH),
	255	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_SET_PROPERTY,
	256	exynos_drm_ipp_set_property, DRM_UNLOCKED \| DRM_AUTH),
	257	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_QUEUE_BUF,
	258	exynos_drm_ipp_queue_buf, DRM_UNLOCKED \| DRM_AUTH),
	259	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_CMD_CTRL,
	260	exynos_drm_ipp_cmd_ctrl, DRM_UNLOCKED \| DRM_AUTH),
1c248b7d ID	261	};
1c248b7d ID	262
ac2bdf73 JS	263	static const struct file_operations exynos_drm_driver_fops = {
	264	.owner = THIS_MODULE,
	265	.open = drm_open,
	266	.mmap = exynos_drm_gem_mmap,
	267	.poll = drm_poll,
	268	.read = drm_read,
	269	.unlocked_ioctl = drm_ioctl,
804d74ab KP	270	#ifdef CONFIG_COMPAT
	271	.compat_ioctl = drm_compat_ioctl,
	272	#endif
ac2bdf73 JS	273	.release = drm_release,
	274	};
	275
1c248b7d	276	static struct drm_driver exynos_drm_driver = {
293a1c12 LP	277	.driver_features = DRIVER_HAVE_IRQ \| DRIVER_MODESET \|
293a1c12 LP	278	DRIVER_GEM \| DRIVER_PRIME,
1c248b7d ID	279	.load = exynos_drm_load,
1c248b7d ID	280	.unload = exynos_drm_unload,
9084f7b8	281	.open = exynos_drm_open,
ccf4d883	282	.preclose = exynos_drm_preclose,
1c248b7d	283	.lastclose = exynos_drm_lastclose,
53ef299f	284	.postclose = exynos_drm_postclose,
1c248b7d ID	285	.get_vblank_counter = drm_vblank_count,
	286	.enable_vblank = exynos_drm_crtc_enable_vblank,
	287	.disable_vblank = exynos_drm_crtc_disable_vblank,
	288	.gem_init_object = exynos_drm_gem_init_object,
	289	.gem_free_object = exynos_drm_gem_free_object,
	290	.gem_vm_ops = &exynos_drm_gem_vm_ops,
	291	.dumb_create = exynos_drm_gem_dumb_create,
	292	.dumb_map_offset = exynos_drm_gem_dumb_map_offset,
	293	.dumb_destroy = exynos_drm_gem_dumb_destroy,
b2df26c1 ID	294	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
	295	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
	296	.gem_prime_export = exynos_dmabuf_prime_export,
	297	.gem_prime_import = exynos_dmabuf_prime_import,
1c248b7d	298	.ioctls = exynos_ioctls,
ac2bdf73	299	.fops = &exynos_drm_driver_fops,
1c248b7d ID	300	.name = DRIVER_NAME,
	301	.desc = DRIVER_DESC,
	302	.date = DRIVER_DATE,
	303	.major = DRIVER_MAJOR,
	304	.minor = DRIVER_MINOR,
	305	};
	306
	307	static int exynos_drm_platform_probe(struct platform_device *pdev)
	308	{
	309	DRM_DEBUG_DRIVER("%s\n", __FILE__);
	310
422bd00e	311	pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
1c248b7d ID	312	exynos_drm_driver.num_ioctls = DRM_ARRAY_SIZE(exynos_ioctls);
	313
	314	return drm_platform_init(&exynos_drm_driver, pdev);
	315	}
	316
	317	static int exynos_drm_platform_remove(struct platform_device *pdev)
	318	{
	319	DRM_DEBUG_DRIVER("%s\n", __FILE__);
	320
	321	drm_platform_exit(&exynos_drm_driver, pdev);
	322
	323	return 0;
	324	}
	325
	326	static struct platform_driver exynos_drm_platform_driver = {
	327	.probe = exynos_drm_platform_probe,
	328	.remove = __devexit_p(exynos_drm_platform_remove),
	329	.driver = {
	330	.owner = THIS_MODULE,
9866b6c6	331	.name = "exynos-drm",
1c248b7d ID	332	},
	333	};
	334
	335	static int __init exynos_drm_init(void)
	336	{
132a5b91 JS	337	int ret;
132a5b91 JS	338
1c248b7d ID	339	DRM_DEBUG_DRIVER("%s\n", __FILE__);
1c248b7d ID	340
132a5b91 JS	341	#ifdef CONFIG_DRM_EXYNOS_FIMD
	342	ret = platform_driver_register(&fimd_driver);
	343	if (ret < 0)
	344	goto out_fimd;
	345	#endif
	346
	347	#ifdef CONFIG_DRM_EXYNOS_HDMI
	348	ret = platform_driver_register(&hdmi_driver);
	349	if (ret < 0)
	350	goto out_hdmi;
	351	ret = platform_driver_register(&mixer_driver);
	352	if (ret < 0)
	353	goto out_mixer;
	354	ret = platform_driver_register(&exynos_drm_common_hdmi_driver);
	355	if (ret < 0)
	356	goto out_common_hdmi;
ae9dace2 RS	357
	358	ret = exynos_platform_device_hdmi_register();
	359	if (ret < 0)
	360	goto out_common_hdmi_dev;
132a5b91 JS	361	#endif
132a5b91 JS	362
b73d1230 ID	363	#ifdef CONFIG_DRM_EXYNOS_VIDI
	364	ret = platform_driver_register(&vidi_driver);
	365	if (ret < 0)
	366	goto out_vidi;
	367	#endif
	368
d7f1642c JS	369	#ifdef CONFIG_DRM_EXYNOS_G2D
	370	ret = platform_driver_register(&g2d_driver);
	371	if (ret < 0)
	372	goto out_g2d;
	373	#endif
	374
16102edb EK	375	#ifdef CONFIG_DRM_EXYNOS_FIMC
	376	ret = platform_driver_register(&fimc_driver);
	377	if (ret < 0)
	378	goto out_fimc;
	379	#endif
	380
bea8a429 EK	381	#ifdef CONFIG_DRM_EXYNOS_ROTATOR
	382	ret = platform_driver_register(&rotator_driver);
	383	if (ret < 0)
	384	goto out_rotator;
	385	#endif
	386
f2646380 EK	387	#ifdef CONFIG_DRM_EXYNOS_GSC
	388	ret = platform_driver_register(&gsc_driver);
	389	if (ret < 0)
	390	goto out_gsc;
	391	#endif
	392
cb471f14 EK	393	#ifdef CONFIG_DRM_EXYNOS_IPP
	394	ret = platform_driver_register(&ipp_driver);
	395	if (ret < 0)
	396	goto out_ipp;
	397	#endif
	398
132a5b91 JS	399	ret = platform_driver_register(&exynos_drm_platform_driver);
132a5b91 JS	400	if (ret < 0)
422bd00e RS	401	goto out_drm;
	402
	403	exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1,
	404	NULL, 0);
	405	if (IS_ERR_OR_NULL(exynos_drm_pdev)) {
	406	ret = PTR_ERR(exynos_drm_pdev);
132a5b91	407	goto out;
422bd00e	408	}
132a5b91 JS	409
	410	return 0;
	411
	412	out:
422bd00e RS	413	platform_driver_unregister(&exynos_drm_platform_driver);
	414
	415	out_drm:
cb471f14 EK	416	#ifdef CONFIG_DRM_EXYNOS_IPP
	417	platform_driver_unregister(&ipp_driver);
	418	out_ipp:
	419	#endif
	420
f2646380 EK	421	#ifdef CONFIG_DRM_EXYNOS_GSC
	422	platform_driver_unregister(&gsc_driver);
	423	out_gsc:
	424	#endif
	425
bea8a429 EK	426	#ifdef CONFIG_DRM_EXYNOS_ROTATOR
	427	platform_driver_unregister(&rotator_driver);
	428	out_rotator:
	429	#endif
	430
16102edb EK	431	#ifdef CONFIG_DRM_EXYNOS_FIMC
	432	platform_driver_unregister(&fimc_driver);
	433	out_fimc:
	434	#endif
	435
d7f1642c JS	436	#ifdef CONFIG_DRM_EXYNOS_G2D
	437	platform_driver_unregister(&g2d_driver);
	438	out_g2d:
	439	#endif
	440
b73d1230	441	#ifdef CONFIG_DRM_EXYNOS_VIDI
b73d1230	442	platform_driver_unregister(&vidi_driver);
ae9dace2	443	out_vidi:
b73d1230 ID	444	#endif
b73d1230 ID	445
132a5b91	446	#ifdef CONFIG_DRM_EXYNOS_HDMI
ae9dace2 RS	447	exynos_platform_device_hdmi_unregister();
ae9dace2 RS	448	out_common_hdmi_dev:
132a5b91 JS	449	platform_driver_unregister(&exynos_drm_common_hdmi_driver);
	450	out_common_hdmi:
	451	platform_driver_unregister(&mixer_driver);
	452	out_mixer:
	453	platform_driver_unregister(&hdmi_driver);
	454	out_hdmi:
	455	#endif
	456
	457	#ifdef CONFIG_DRM_EXYNOS_FIMD
	458	platform_driver_unregister(&fimd_driver);
	459	out_fimd:
	460	#endif
	461	return ret;
1c248b7d ID	462	}
	463
	464	static void __exit exynos_drm_exit(void)
	465	{
	466	DRM_DEBUG_DRIVER("%s\n", __FILE__);
	467
422bd00e RS	468	platform_device_unregister(exynos_drm_pdev);
422bd00e RS	469
1c248b7d	470	platform_driver_unregister(&exynos_drm_platform_driver);
132a5b91	471
cb471f14 EK	472	#ifdef CONFIG_DRM_EXYNOS_IPP
	473	platform_driver_unregister(&ipp_driver);
	474	#endif
	475
f2646380 EK	476	#ifdef CONFIG_DRM_EXYNOS_GSC
	477	platform_driver_unregister(&gsc_driver);
	478	#endif
	479
bea8a429 EK	480	#ifdef CONFIG_DRM_EXYNOS_ROTATOR
	481	platform_driver_unregister(&rotator_driver);
	482	#endif
	483
16102edb EK	484	#ifdef CONFIG_DRM_EXYNOS_FIMC
	485	platform_driver_unregister(&fimc_driver);
	486	#endif
	487
d7f1642c JS	488	#ifdef CONFIG_DRM_EXYNOS_G2D
	489	platform_driver_unregister(&g2d_driver);
	490	#endif
	491
132a5b91	492	#ifdef CONFIG_DRM_EXYNOS_HDMI
ae9dace2	493	exynos_platform_device_hdmi_unregister();
132a5b91 JS	494	platform_driver_unregister(&exynos_drm_common_hdmi_driver);
	495	platform_driver_unregister(&mixer_driver);
	496	platform_driver_unregister(&hdmi_driver);
	497	#endif
	498
b73d1230 ID	499	#ifdef CONFIG_DRM_EXYNOS_VIDI
	500	platform_driver_unregister(&vidi_driver);
	501	#endif
	502
132a5b91 JS	503	#ifdef CONFIG_DRM_EXYNOS_FIMD
	504	platform_driver_unregister(&fimd_driver);
	505	#endif
1c248b7d ID	506	}
	507
	508	module_init(exynos_drm_init);
	509	module_exit(exynos_drm_exit);
	510
	511	MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
	512	MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
	513	MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
	514	MODULE_DESCRIPTION("Samsung SoC DRM Driver");
	515	MODULE_LICENSE("GPL");