[net-next-2.6.git] / drivers / gpu / drm / i915 / i915_drv.c

/* i915_drv.c -- i830,i845,i855,i865,i915 driver -*- linux-c -*-
 */
/*
 *
 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
 *
 * 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, sub license, 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 NON-INFRINGEMENT.
 * IN NO EVENT SHALL TUNGSTEN GRAPHICS 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 "i915_drm.h"
#include "i915_drv.h"

#include "drm_pciids.h"

static struct pci_device_id pciidlist[] = {
	i915_PCI_IDS
};

static int i915_suspend(struct drm_device *dev, pm_message_t state)
{
	struct drm_i915_private *dev_priv = dev->dev_private;

	if (!dev || !dev_priv) {
		printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
		printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
		return -ENODEV;
	}

	if (state.event == PM_EVENT_PRETHAW)
		return 0;

	pci_save_state(dev->pdev);

	i915_save_state(dev);

	intel_opregion_free(dev);

	if (state.event == PM_EVENT_SUSPEND) {
		/* Shut down the device */
		pci_disable_device(dev->pdev);
		pci_set_power_state(dev->pdev, PCI_D3hot);
	}

	return 0;
}

static int i915_resume(struct drm_device *dev)
{
	pci_set_power_state(dev->pdev, PCI_D0);
	pci_restore_state(dev->pdev);
	if (pci_enable_device(dev->pdev))
		return -1;
	pci_set_master(dev->pdev);

	i915_restore_state(dev);

	intel_opregion_init(dev);

	return 0;
}

static struct drm_driver driver = {
	/* don't use mtrr's here, the Xserver or user space app should
	 * deal with them for intel hardware.
	 */
	.driver_features =
	    DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | /* DRIVER_USE_MTRR |*/
	    DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL |
	    DRIVER_IRQ_VBL2,
	.load = i915_driver_load,
	.unload = i915_driver_unload,
	.lastclose = i915_driver_lastclose,
	.preclose = i915_driver_preclose,
	.suspend = i915_suspend,
	.resume = i915_resume,
	.device_is_agp = i915_driver_device_is_agp,
	.vblank_wait = i915_driver_vblank_wait,
	.vblank_wait2 = i915_driver_vblank_wait2,
	.irq_preinstall = i915_driver_irq_preinstall,
	.irq_postinstall = i915_driver_irq_postinstall,
	.irq_uninstall = i915_driver_irq_uninstall,
	.irq_handler = i915_driver_irq_handler,
	.reclaim_buffers = drm_core_reclaim_buffers,
	.get_map_ofs = drm_core_get_map_ofs,
	.get_reg_ofs = drm_core_get_reg_ofs,
	.ioctls = i915_ioctls,
	.fops = {
		 .owner = THIS_MODULE,
		 .open = drm_open,
		 .release = drm_release,
		 .ioctl = drm_ioctl,
		 .mmap = drm_mmap,
		 .poll = drm_poll,
		 .fasync = drm_fasync,
#ifdef CONFIG_COMPAT
		 .compat_ioctl = i915_compat_ioctl,
#endif
	},

	.pci_driver = {
		 .name = DRIVER_NAME,
		 .id_table = pciidlist,
	},

	.name = DRIVER_NAME,
	.desc = DRIVER_DESC,
	.date = DRIVER_DATE,
	.major = DRIVER_MAJOR,
	.minor = DRIVER_MINOR,
	.patchlevel = DRIVER_PATCHLEVEL,
};

static int __init i915_init(void)
{
	driver.num_ioctls = i915_max_ioctl;
	return drm_init(&driver);
}

static void __exit i915_exit(void)
{
	drm_exit(&driver);
}

module_init(i915_init);
module_exit(i915_exit);

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
Commit	Line	Data
1da177e4 LT	1	/* i915_drv.c -- i830,i845,i855,i865,i915 driver -- linux-c --
1da177e4 LT	2	*/
0d6aa60b	3	/*
bc54fd1a	4	*
1da177e4 LT	5	* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
1da177e4 LT	6	* All Rights Reserved.
bc54fd1a DA	7	*
	8	* Permission is hereby granted, free of charge, to any person obtaining a
	9	* copy of this software and associated documentation files (the
	10	* "Software"), to deal in the Software without restriction, including
	11	* without limitation the rights to use, copy, modify, merge, publish,
	12	* distribute, sub license, and/or sell copies of the Software, and to
	13	* permit persons to whom the Software is furnished to do so, subject to
	14	* the following conditions:
	15	*
	16	* The above copyright notice and this permission notice (including the
	17	* next paragraph) shall be included in all copies or substantial portions
	18	* of the Software.
	19	*
	20	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
	21	* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	22	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
	23	* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
	24	* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
	25	* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
	26	* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	27	*
0d6aa60b	28	*/
1da177e4 LT	29
	30	#include "drmP.h"
	31	#include "drm.h"
	32	#include "i915_drm.h"
	33	#include "i915_drv.h"
	34
	35	#include "drm_pciids.h"
	36
1da177e4 LT	37	static struct pci_device_id pciidlist[] = {
	38	i915_PCI_IDS
	39	};
	40
b932ccb5	41	static int i915_suspend(struct drm_device *dev, pm_message_t state)
ba8bbcf6 JB	42	{
ba8bbcf6 JB	43	struct drm_i915_private *dev_priv = dev->dev_private;
ba8bbcf6 JB	44
	45	if (!dev \|\| !dev_priv) {
	46	printk(KERN_ERR "dev: %p, dev_priv: %p\n", dev, dev_priv);
	47	printk(KERN_ERR "DRM not initialized, aborting suspend.\n");
	48	return -ENODEV;
	49	}
	50
b932ccb5 DA	51	if (state.event == PM_EVENT_PRETHAW)
	52	return 0;
	53
ba8bbcf6	54	pci_save_state(dev->pdev);
ba8bbcf6	55
317c35d1	56	i915_save_state(dev);
ba8bbcf6	57
8ee1c3db MG	58	intel_opregion_free(dev);
8ee1c3db MG	59
b932ccb5 DA	60	if (state.event == PM_EVENT_SUSPEND) {
	61	/* Shut down the device */
	62	pci_disable_device(dev->pdev);
	63	pci_set_power_state(dev->pdev, PCI_D3hot);
	64	}
ba8bbcf6 JB	65
	66	return 0;
	67	}
	68
	69	static int i915_resume(struct drm_device *dev)
	70	{
ba8bbcf6 JB	71	pci_set_power_state(dev->pdev, PCI_D0);
	72	pci_restore_state(dev->pdev);
	73	if (pci_enable_device(dev->pdev))
	74	return -1;
ea7b44c8	75	pci_set_master(dev->pdev);
ba8bbcf6	76
317c35d1	77	i915_restore_state(dev);
ba8bbcf6	78
8ee1c3db MG	79	intel_opregion_init(dev);
8ee1c3db MG	80
ba8bbcf6 JB	81	return 0;
	82	}
	83
1da177e4	84	static struct drm_driver driver = {
792d2b9a DA	85	/* don't use mtrr's here, the Xserver or user space app should
	86	* deal with them for intel hardware.
	87	*/
b5e89ed5	88	.driver_features =
792d2b9a	89	DRIVER_USE_AGP \| DRIVER_REQUIRE_AGP \| /* DRIVER_USE_MTRR \|*/
af6061af DA	90	DRIVER_HAVE_IRQ \| DRIVER_IRQ_SHARED \| DRIVER_IRQ_VBL \|
af6061af DA	91	DRIVER_IRQ_VBL2,
22eae947	92	.load = i915_driver_load,
ba8bbcf6	93	.unload = i915_driver_unload,
22eae947 DA	94	.lastclose = i915_driver_lastclose,
22eae947 DA	95	.preclose = i915_driver_preclose,
ba8bbcf6 JB	96	.suspend = i915_suspend,
ba8bbcf6 JB	97	.resume = i915_resume,
cda17380	98	.device_is_agp = i915_driver_device_is_agp,
af6061af DA	99	.vblank_wait = i915_driver_vblank_wait,
af6061af DA	100	.vblank_wait2 = i915_driver_vblank_wait2,
1da177e4 LT	101	.irq_preinstall = i915_driver_irq_preinstall,
	102	.irq_postinstall = i915_driver_irq_postinstall,
	103	.irq_uninstall = i915_driver_irq_uninstall,
	104	.irq_handler = i915_driver_irq_handler,
	105	.reclaim_buffers = drm_core_reclaim_buffers,
	106	.get_map_ofs = drm_core_get_map_ofs,
	107	.get_reg_ofs = drm_core_get_reg_ofs,
1da177e4 LT	108	.ioctls = i915_ioctls,
1da177e4 LT	109	.fops = {
b5e89ed5 DA	110	.owner = THIS_MODULE,
	111	.open = drm_open,
	112	.release = drm_release,
	113	.ioctl = drm_ioctl,
	114	.mmap = drm_mmap,
	115	.poll = drm_poll,
	116	.fasync = drm_fasync,
8ca7c1df	117	#ifdef CONFIG_COMPAT
b5e89ed5	118	.compat_ioctl = i915_compat_ioctl,
8ca7c1df	119	#endif
22eae947 DA	120	},
22eae947 DA	121
1da177e4	122	.pci_driver = {
22eae947 DA	123	.name = DRIVER_NAME,
	124	.id_table = pciidlist,
	125	},
bc5f4523	126
22eae947 DA	127	.name = DRIVER_NAME,
	128	.desc = DRIVER_DESC,
	129	.date = DRIVER_DATE,
	130	.major = DRIVER_MAJOR,
	131	.minor = DRIVER_MINOR,
	132	.patchlevel = DRIVER_PATCHLEVEL,
1da177e4 LT	133	};
	134
	135	static int __init i915_init(void)
	136	{
	137	driver.num_ioctls = i915_max_ioctl;
	138	return drm_init(&driver);
	139	}
	140
	141	static void __exit i915_exit(void)
	142	{
	143	drm_exit(&driver);
	144	}
	145
	146	module_init(i915_init);
	147	module_exit(i915_exit);
	148
b5e89ed5 DA	149	MODULE_AUTHOR(DRIVER_AUTHOR);
b5e89ed5 DA	150	MODULE_DESCRIPTION(DRIVER_DESC);
1da177e4	151	MODULE_LICENSE("GPL and additional rights");