[deliverable/linux.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>
 *
 * This program is free software; you can redistribute  it and/or modify it
 * under  the terms of  the GNU General  Public License as published by the
 * Free Software Foundation;  either version 2 of the  License, or (at your
 * option) any later version.
 */

#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;

	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)
{
	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;
	int ret;

	file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL);
	if (!file_priv)
		return -ENOMEM;

	file->driver_priv = file_priv;

	ret = exynos_drm_subdrv_open(dev, file);
	if (ret) {
		kfree(file_priv);
		file->driver_priv = NULL;
	}

	return ret;
}

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;

	/* 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)
{
	if (!file->driver_priv)
		return;

	kfree(file->driver_priv);
	file->driver_priv = NULL;
}

static void exynos_drm_lastclose(struct drm_device *dev)
{
	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)
{
	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_platform_exit(&exynos_drm_driver, pdev);

	return 0;
}

static struct platform_driver exynos_drm_platform_driver = {
	.probe		= exynos_drm_platform_probe,
	.remove		= exynos_drm_platform_remove,
	.driver		= {
		.owner	= THIS_MODULE,
		.name	= "exynos-drm",
	},
};

static int __init exynos_drm_init(void)
{
	int ret;

#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;

	ret = exynos_platform_device_ipp_register();
	if (ret < 0)
		goto out_ipp_dev;
#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(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
	exynos_platform_device_ipp_unregister();
out_ipp_dev:
	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)
{
	platform_device_unregister(exynos_drm_pdev);

	platform_driver_unregister(&exynos_drm_platform_driver);

#ifdef CONFIG_DRM_EXYNOS_IPP
	exynos_platform_device_ipp_unregister();
	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	*
d81aecb5 ID	8	* This program is free software; you can redistribute it and/or modify it
	9	* under the terms of the GNU General Public License as published by the
	10	* Free Software Foundation; either version 2 of the License, or (at your
	11	* option) any later version.
1c248b7d ID	12	*/
1c248b7d ID	13
760285e7 DH	14	#include <drm/drmP.h>
760285e7 DH	15	#include <drm/drm_crtc_helper.h>
1c248b7d ID	16
	17	#include <drm/exynos_drm.h>
	18
	19	#include "exynos_drm_drv.h"
	20	#include "exynos_drm_crtc.h"
d081f566	21	#include "exynos_drm_encoder.h"
1c248b7d ID	22	#include "exynos_drm_fbdev.h"
	23	#include "exynos_drm_fb.h"
	24	#include "exynos_drm_gem.h"
864ee9e6	25	#include "exynos_drm_plane.h"
b73d1230	26	#include "exynos_drm_vidi.h"
b2df26c1	27	#include "exynos_drm_dmabuf.h"
d7f1642c	28	#include "exynos_drm_g2d.h"
cb471f14	29	#include "exynos_drm_ipp.h"
0519f9a1	30	#include "exynos_drm_iommu.h"
1c248b7d	31
0edf9936	32	#define DRIVER_NAME "exynos"
1c248b7d ID	33	#define DRIVER_DESC "Samsung SoC DRM"
	34	#define DRIVER_DATE "20110530"
	35	#define DRIVER_MAJOR 1
	36	#define DRIVER_MINOR 0
	37
52c68814 ID	38	#define VBLANK_OFF_DELAY 50000
52c68814 ID	39
422bd00e RS	40	/* platform device pointer for eynos drm device. */
	41	static struct platform_device *exynos_drm_pdev;
	42
1c248b7d ID	43	static int exynos_drm_load(struct drm_device *dev, unsigned long flags)
	44	{
	45	struct exynos_drm_private *private;
	46	int ret;
	47	int nr;
	48
1c248b7d ID	49	private = kzalloc(sizeof(struct exynos_drm_private), GFP_KERNEL);
	50	if (!private) {
	51	DRM_ERROR("failed to allocate private\n");
	52	return -ENOMEM;
	53	}
	54
	55	INIT_LIST_HEAD(&private->pageflip_event_list);
	56	dev->dev_private = (void *)private;
	57
0519f9a1 ID	58	/*
	59	* create mapping to manage iommu table and set a pointer to iommu
	60	* mapping structure to iommu_mapping of private data.
	61	* also this iommu_mapping can be used to check if iommu is supported
	62	* or not.
	63	*/
	64	ret = drm_create_iommu_mapping(dev);
	65	if (ret < 0) {
	66	DRM_ERROR("failed to create iommu mapping.\n");
	67	goto err_crtc;
	68	}
	69
1c248b7d ID	70	drm_mode_config_init(dev);
1c248b7d ID	71
7db3eba6 SWK	72	/* init kms poll for handling hpd */
	73	drm_kms_helper_poll_init(dev);
	74
1c248b7d ID	75	exynos_drm_mode_config_init(dev);
	76
	77	/*
	78	* EXYNOS4 is enough to have two CRTCs and each crtc would be used
	79	* without dependency of hardware.
	80	*/
	81	for (nr = 0; nr < MAX_CRTC; nr++) {
	82	ret = exynos_drm_crtc_create(dev, nr);
	83	if (ret)
0519f9a1	84	goto err_release_iommu_mapping;
1c248b7d ID	85	}
1c248b7d ID	86
864ee9e6	87	for (nr = 0; nr < MAX_PLANE; nr++) {
b5d2eb3b JS	88	struct drm_plane *plane;
	89	unsigned int possible_crtcs = (1 << MAX_CRTC) - 1;
	90
	91	plane = exynos_plane_init(dev, possible_crtcs, false);
	92	if (!plane)
0519f9a1	93	goto err_release_iommu_mapping;
864ee9e6 JS	94	}
864ee9e6 JS	95
1c248b7d ID	96	ret = drm_vblank_init(dev, MAX_CRTC);
1c248b7d ID	97	if (ret)
0519f9a1	98	goto err_release_iommu_mapping;
1c248b7d ID	99
	100	/*
	101	* probe sub drivers such as display controller and hdmi driver,
	102	* that were registered at probe() of platform driver
	103	* to the sub driver and create encoder and connector for them.
	104	*/
	105	ret = exynos_drm_device_register(dev);
	106	if (ret)
	107	goto err_vblank;
	108
d081f566 ID	109	/* setup possible_clones. */
	110	exynos_drm_encoder_setup(dev);
	111
1c248b7d ID	112	/*
	113	* create and configure fb helper and also exynos specific
	114	* fbdev object.
	115	*/
	116	ret = exynos_drm_fbdev_init(dev);
	117	if (ret) {
	118	DRM_ERROR("failed to initialize drm fbdev\n");
	119	goto err_drm_device;
	120	}
	121
52c68814 ID	122	drm_vblank_offdelay = VBLANK_OFF_DELAY;
52c68814 ID	123
1c248b7d ID	124	return 0;
	125
	126	err_drm_device:
	127	exynos_drm_device_unregister(dev);
	128	err_vblank:
	129	drm_vblank_cleanup(dev);
0519f9a1 ID	130	err_release_iommu_mapping:
0519f9a1 ID	131	drm_release_iommu_mapping(dev);
1c248b7d ID	132	err_crtc:
	133	drm_mode_config_cleanup(dev);
	134	kfree(private);
	135
	136	return ret;
	137	}
	138
	139	static int exynos_drm_unload(struct drm_device *dev)
	140	{
1c248b7d ID	141	exynos_drm_fbdev_fini(dev);
	142	exynos_drm_device_unregister(dev);
	143	drm_vblank_cleanup(dev);
7db3eba6	144	drm_kms_helper_poll_fini(dev);
1c248b7d	145	drm_mode_config_cleanup(dev);
0519f9a1 ID	146
0519f9a1 ID	147	drm_release_iommu_mapping(dev);
1c248b7d ID	148	kfree(dev->dev_private);
	149
	150	dev->dev_private = NULL;
	151
	152	return 0;
	153	}
	154
9084f7b8 JS	155	static int exynos_drm_open(struct drm_device dev, struct drm_file file)
9084f7b8 JS	156	{
d7f1642c	157	struct drm_exynos_file_private *file_priv;
ba3706c0	158	int ret;
d7f1642c	159
d7f1642c JS	160	file_priv = kzalloc(sizeof(*file_priv), GFP_KERNEL);
	161	if (!file_priv)
	162	return -ENOMEM;
	163
d7f1642c	164	file->driver_priv = file_priv;
b2df26c1	165
ba3706c0 YC	166	ret = exynos_drm_subdrv_open(dev, file);
	167	if (ret) {
	168	kfree(file_priv);
	169	file->driver_priv = NULL;
	170	}
	171
	172	return ret;
9084f7b8 JS	173	}
9084f7b8 JS	174
ccf4d883	175	static void exynos_drm_preclose(struct drm_device *dev,
6f811502	176	struct drm_file *file)
ccf4d883	177	{
3ab09435 JS	178	struct exynos_drm_private *private = dev->dev_private;
	179	struct drm_pending_vblank_event e, t;
	180	unsigned long flags;
	181
3ab09435 JS	182	/* release events of current file */
	183	spin_lock_irqsave(&dev->event_lock, flags);
	184	list_for_each_entry_safe(e, t, &private->pageflip_event_list,
	185	base.link) {
	186	if (e->base.file_priv == file) {
	187	list_del(&e->base.link);
	188	e->base.destroy(&e->base);
	189	}
	190	}
	191	spin_unlock_irqrestore(&dev->event_lock, flags);
9084f7b8 JS	192
9084f7b8 JS	193	exynos_drm_subdrv_close(dev, file);
ccf4d883 ID	194	}
ccf4d883 ID	195
53ef299f ID	196	static void exynos_drm_postclose(struct drm_device dev, struct drm_file file)
53ef299f ID	197	{
53ef299f ID	198	if (!file->driver_priv)
	199	return;
	200
	201	kfree(file->driver_priv);
	202	file->driver_priv = NULL;
	203	}
	204
1c248b7d ID	205	static void exynos_drm_lastclose(struct drm_device *dev)
1c248b7d ID	206	{
1c248b7d ID	207	exynos_drm_fbdev_restore_mode(dev);
	208	}
	209
78b68556	210	static const struct vm_operations_struct exynos_drm_gem_vm_ops = {
1c248b7d ID	211	.fault = exynos_drm_gem_fault,
	212	.open = drm_gem_vm_open,
	213	.close = drm_gem_vm_close,
	214	};
	215
	216	static struct drm_ioctl_desc exynos_ioctls[] = {
	217	DRM_IOCTL_DEF_DRV(EXYNOS_GEM_CREATE, exynos_drm_gem_create_ioctl,
	218	DRM_UNLOCKED \| DRM_AUTH),
	219	DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MAP_OFFSET,
	220	exynos_drm_gem_map_offset_ioctl, DRM_UNLOCKED \|
	221	DRM_AUTH),
	222	DRM_IOCTL_DEF_DRV(EXYNOS_GEM_MMAP,
	223	exynos_drm_gem_mmap_ioctl, DRM_UNLOCKED \| DRM_AUTH),
40cd7e0c ID	224	DRM_IOCTL_DEF_DRV(EXYNOS_GEM_GET,
40cd7e0c ID	225	exynos_drm_gem_get_ioctl, DRM_UNLOCKED),
b73d1230 ID	226	DRM_IOCTL_DEF_DRV(EXYNOS_VIDI_CONNECTION,
b73d1230 ID	227	vidi_connection_ioctl, DRM_UNLOCKED \| DRM_AUTH),
d7f1642c JS	228	DRM_IOCTL_DEF_DRV(EXYNOS_G2D_GET_VER,
	229	exynos_g2d_get_ver_ioctl, DRM_UNLOCKED \| DRM_AUTH),
	230	DRM_IOCTL_DEF_DRV(EXYNOS_G2D_SET_CMDLIST,
	231	exynos_g2d_set_cmdlist_ioctl, DRM_UNLOCKED \| DRM_AUTH),
	232	DRM_IOCTL_DEF_DRV(EXYNOS_G2D_EXEC,
	233	exynos_g2d_exec_ioctl, DRM_UNLOCKED \| DRM_AUTH),
cb471f14 EK	234	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_GET_PROPERTY,
	235	exynos_drm_ipp_get_property, DRM_UNLOCKED \| DRM_AUTH),
	236	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_SET_PROPERTY,
	237	exynos_drm_ipp_set_property, DRM_UNLOCKED \| DRM_AUTH),
	238	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_QUEUE_BUF,
	239	exynos_drm_ipp_queue_buf, DRM_UNLOCKED \| DRM_AUTH),
	240	DRM_IOCTL_DEF_DRV(EXYNOS_IPP_CMD_CTRL,
	241	exynos_drm_ipp_cmd_ctrl, DRM_UNLOCKED \| DRM_AUTH),
1c248b7d ID	242	};
1c248b7d ID	243
ac2bdf73 JS	244	static const struct file_operations exynos_drm_driver_fops = {
	245	.owner = THIS_MODULE,
	246	.open = drm_open,
	247	.mmap = exynos_drm_gem_mmap,
	248	.poll = drm_poll,
	249	.read = drm_read,
	250	.unlocked_ioctl = drm_ioctl,
804d74ab KP	251	#ifdef CONFIG_COMPAT
	252	.compat_ioctl = drm_compat_ioctl,
	253	#endif
ac2bdf73 JS	254	.release = drm_release,
	255	};
	256
1c248b7d	257	static struct drm_driver exynos_drm_driver = {
293a1c12 LP	258	.driver_features = DRIVER_HAVE_IRQ \| DRIVER_MODESET \|
293a1c12 LP	259	DRIVER_GEM \| DRIVER_PRIME,
1c248b7d ID	260	.load = exynos_drm_load,
1c248b7d ID	261	.unload = exynos_drm_unload,
9084f7b8	262	.open = exynos_drm_open,
ccf4d883	263	.preclose = exynos_drm_preclose,
1c248b7d	264	.lastclose = exynos_drm_lastclose,
53ef299f	265	.postclose = exynos_drm_postclose,
1c248b7d ID	266	.get_vblank_counter = drm_vblank_count,
	267	.enable_vblank = exynos_drm_crtc_enable_vblank,
	268	.disable_vblank = exynos_drm_crtc_disable_vblank,
	269	.gem_init_object = exynos_drm_gem_init_object,
	270	.gem_free_object = exynos_drm_gem_free_object,
	271	.gem_vm_ops = &exynos_drm_gem_vm_ops,
	272	.dumb_create = exynos_drm_gem_dumb_create,
	273	.dumb_map_offset = exynos_drm_gem_dumb_map_offset,
	274	.dumb_destroy = exynos_drm_gem_dumb_destroy,
b2df26c1 ID	275	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
	276	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
	277	.gem_prime_export = exynos_dmabuf_prime_export,
	278	.gem_prime_import = exynos_dmabuf_prime_import,
1c248b7d	279	.ioctls = exynos_ioctls,
ac2bdf73	280	.fops = &exynos_drm_driver_fops,
1c248b7d ID	281	.name = DRIVER_NAME,
	282	.desc = DRIVER_DESC,
	283	.date = DRIVER_DATE,
	284	.major = DRIVER_MAJOR,
	285	.minor = DRIVER_MINOR,
	286	};
	287
	288	static int exynos_drm_platform_probe(struct platform_device *pdev)
	289	{
422bd00e	290	pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
1c248b7d ID	291	exynos_drm_driver.num_ioctls = DRM_ARRAY_SIZE(exynos_ioctls);
	292
	293	return drm_platform_init(&exynos_drm_driver, pdev);
	294	}
	295
	296	static int exynos_drm_platform_remove(struct platform_device *pdev)
	297	{
1c248b7d ID	298	drm_platform_exit(&exynos_drm_driver, pdev);
	299
	300	return 0;
	301	}
	302
	303	static struct platform_driver exynos_drm_platform_driver = {
	304	.probe = exynos_drm_platform_probe,
56550d94	305	.remove = exynos_drm_platform_remove,
1c248b7d ID	306	.driver = {
1c248b7d ID	307	.owner = THIS_MODULE,
9866b6c6	308	.name = "exynos-drm",
1c248b7d ID	309	},
	310	};
	311
	312	static int __init exynos_drm_init(void)
	313	{
132a5b91 JS	314	int ret;
132a5b91 JS	315
132a5b91 JS	316	#ifdef CONFIG_DRM_EXYNOS_FIMD
	317	ret = platform_driver_register(&fimd_driver);
	318	if (ret < 0)
	319	goto out_fimd;
	320	#endif
	321
	322	#ifdef CONFIG_DRM_EXYNOS_HDMI
	323	ret = platform_driver_register(&hdmi_driver);
	324	if (ret < 0)
	325	goto out_hdmi;
	326	ret = platform_driver_register(&mixer_driver);
	327	if (ret < 0)
	328	goto out_mixer;
	329	ret = platform_driver_register(&exynos_drm_common_hdmi_driver);
	330	if (ret < 0)
	331	goto out_common_hdmi;
ae9dace2 RS	332
	333	ret = exynos_platform_device_hdmi_register();
	334	if (ret < 0)
	335	goto out_common_hdmi_dev;
132a5b91 JS	336	#endif
132a5b91 JS	337
b73d1230 ID	338	#ifdef CONFIG_DRM_EXYNOS_VIDI
	339	ret = platform_driver_register(&vidi_driver);
	340	if (ret < 0)
	341	goto out_vidi;
	342	#endif
	343
d7f1642c JS	344	#ifdef CONFIG_DRM_EXYNOS_G2D
	345	ret = platform_driver_register(&g2d_driver);
	346	if (ret < 0)
	347	goto out_g2d;
	348	#endif
	349
16102edb EK	350	#ifdef CONFIG_DRM_EXYNOS_FIMC
	351	ret = platform_driver_register(&fimc_driver);
	352	if (ret < 0)
	353	goto out_fimc;
	354	#endif
	355
bea8a429 EK	356	#ifdef CONFIG_DRM_EXYNOS_ROTATOR
	357	ret = platform_driver_register(&rotator_driver);
	358	if (ret < 0)
	359	goto out_rotator;
	360	#endif
	361
f2646380 EK	362	#ifdef CONFIG_DRM_EXYNOS_GSC
	363	ret = platform_driver_register(&gsc_driver);
	364	if (ret < 0)
	365	goto out_gsc;
	366	#endif
	367
cb471f14 EK	368	#ifdef CONFIG_DRM_EXYNOS_IPP
	369	ret = platform_driver_register(&ipp_driver);
	370	if (ret < 0)
	371	goto out_ipp;
43f41900 SWK	372
	373	ret = exynos_platform_device_ipp_register();
	374	if (ret < 0)
	375	goto out_ipp_dev;
cb471f14 EK	376	#endif
cb471f14 EK	377
132a5b91 JS	378	ret = platform_driver_register(&exynos_drm_platform_driver);
132a5b91 JS	379	if (ret < 0)
422bd00e RS	380	goto out_drm;
	381
	382	exynos_drm_pdev = platform_device_register_simple("exynos-drm", -1,
	383	NULL, 0);
1055f49e	384	if (IS_ERR(exynos_drm_pdev)) {
422bd00e	385	ret = PTR_ERR(exynos_drm_pdev);
132a5b91	386	goto out;
422bd00e	387	}
132a5b91 JS	388
	389	return 0;
	390
	391	out:
422bd00e RS	392	platform_driver_unregister(&exynos_drm_platform_driver);
	393
	394	out_drm:
cb471f14	395	#ifdef CONFIG_DRM_EXYNOS_IPP
43f41900 SWK	396	exynos_platform_device_ipp_unregister();
43f41900 SWK	397	out_ipp_dev:
cb471f14 EK	398	platform_driver_unregister(&ipp_driver);
	399	out_ipp:
	400	#endif
	401
f2646380 EK	402	#ifdef CONFIG_DRM_EXYNOS_GSC
	403	platform_driver_unregister(&gsc_driver);
	404	out_gsc:
	405	#endif
	406
bea8a429 EK	407	#ifdef CONFIG_DRM_EXYNOS_ROTATOR
	408	platform_driver_unregister(&rotator_driver);
	409	out_rotator:
	410	#endif
	411
16102edb EK	412	#ifdef CONFIG_DRM_EXYNOS_FIMC
	413	platform_driver_unregister(&fimc_driver);
	414	out_fimc:
	415	#endif
	416
d7f1642c JS	417	#ifdef CONFIG_DRM_EXYNOS_G2D
	418	platform_driver_unregister(&g2d_driver);
	419	out_g2d:
	420	#endif
	421
b73d1230	422	#ifdef CONFIG_DRM_EXYNOS_VIDI
b73d1230	423	platform_driver_unregister(&vidi_driver);
ae9dace2	424	out_vidi:
b73d1230 ID	425	#endif
b73d1230 ID	426
132a5b91	427	#ifdef CONFIG_DRM_EXYNOS_HDMI
ae9dace2 RS	428	exynos_platform_device_hdmi_unregister();
ae9dace2 RS	429	out_common_hdmi_dev:
132a5b91 JS	430	platform_driver_unregister(&exynos_drm_common_hdmi_driver);
	431	out_common_hdmi:
	432	platform_driver_unregister(&mixer_driver);
	433	out_mixer:
	434	platform_driver_unregister(&hdmi_driver);
	435	out_hdmi:
	436	#endif
	437
	438	#ifdef CONFIG_DRM_EXYNOS_FIMD
	439	platform_driver_unregister(&fimd_driver);
	440	out_fimd:
	441	#endif
	442	return ret;
1c248b7d ID	443	}
	444
	445	static void __exit exynos_drm_exit(void)
	446	{
422bd00e RS	447	platform_device_unregister(exynos_drm_pdev);
422bd00e RS	448
1c248b7d	449	platform_driver_unregister(&exynos_drm_platform_driver);
132a5b91	450
cb471f14	451	#ifdef CONFIG_DRM_EXYNOS_IPP
43f41900	452	exynos_platform_device_ipp_unregister();
cb471f14 EK	453	platform_driver_unregister(&ipp_driver);
	454	#endif
	455
f2646380 EK	456	#ifdef CONFIG_DRM_EXYNOS_GSC
	457	platform_driver_unregister(&gsc_driver);
	458	#endif
	459
bea8a429 EK	460	#ifdef CONFIG_DRM_EXYNOS_ROTATOR
	461	platform_driver_unregister(&rotator_driver);
	462	#endif
	463
16102edb EK	464	#ifdef CONFIG_DRM_EXYNOS_FIMC
	465	platform_driver_unregister(&fimc_driver);
	466	#endif
	467
d7f1642c JS	468	#ifdef CONFIG_DRM_EXYNOS_G2D
	469	platform_driver_unregister(&g2d_driver);
	470	#endif
	471
132a5b91	472	#ifdef CONFIG_DRM_EXYNOS_HDMI
ae9dace2	473	exynos_platform_device_hdmi_unregister();
132a5b91 JS	474	platform_driver_unregister(&exynos_drm_common_hdmi_driver);
	475	platform_driver_unregister(&mixer_driver);
	476	platform_driver_unregister(&hdmi_driver);
	477	#endif
	478
b73d1230 ID	479	#ifdef CONFIG_DRM_EXYNOS_VIDI
	480	platform_driver_unregister(&vidi_driver);
	481	#endif
	482
132a5b91 JS	483	#ifdef CONFIG_DRM_EXYNOS_FIMD
	484	platform_driver_unregister(&fimd_driver);
	485	#endif
1c248b7d ID	486	}
	487
	488	module_init(exynos_drm_init);
	489	module_exit(exynos_drm_exit);
	490
	491	MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>");
	492	MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
	493	MODULE_AUTHOR("Seung-Woo Kim <sw0312.kim@samsung.com>");
	494	MODULE_DESCRIPTION("Samsung SoC DRM Driver");
	495	MODULE_LICENSE("GPL");