[linux-2.6-block.git] / drivers / gpu / drm / qxl / qxl_drv.c

/* vim: set ts=8 sw=8 tw=78 ai noexpandtab */
/* qxl_drv.c -- QXL driver -*- linux-c -*-
 *
 * Copyright 2011 Red Hat, Inc.
 * 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, 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.
 *
 * Authors:
 *    Dave Airlie <airlie@redhat.com>
 *    Alon Levy <alevy@redhat.com>
 */

#include <linux/module.h>
#include <linux/console.h>

#include <drm/drmP.h>
#include <drm/drm.h>
#include <drm/drm_modeset_helper.h>
#include <drm/drm_probe_helper.h>
#include "qxl_drv.h"
#include "qxl_object.h"

static const struct pci_device_id pciidlist[] = {
	{ 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8,
	  0xffff00, 0 },
	{ 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_OTHER << 8,
	  0xffff00, 0 },
	{ 0, 0, 0 },
};
MODULE_DEVICE_TABLE(pci, pciidlist);

static int qxl_modeset = -1;
int qxl_num_crtc = 4;

MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
module_param_named(modeset, qxl_modeset, int, 0400);

MODULE_PARM_DESC(num_heads, "Number of virtual crtcs to expose (default 4)");
module_param_named(num_heads, qxl_num_crtc, int, 0400);

static struct drm_driver qxl_driver;
static struct pci_driver qxl_pci_driver;

static int
qxl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	struct qxl_device *qdev;
	int ret;

	if (pdev->revision < 4) {
		DRM_ERROR("qxl too old, doesn't support client_monitors_config,"
			  " use xf86-video-qxl in user mode");
		return -EINVAL; /* TODO: ENODEV ? */
	}

	qdev = kzalloc(sizeof(struct qxl_device), GFP_KERNEL);
	if (!qdev)
		return -ENOMEM;

	ret = pci_enable_device(pdev);
	if (ret)
		goto free_dev;

	ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, 0, "qxl");
	if (ret)
		goto disable_pci;

	ret = qxl_device_init(qdev, &qxl_driver, pdev);
	if (ret)
		goto disable_pci;

	ret = qxl_modeset_init(qdev);
	if (ret)
		goto unload;

	drm_kms_helper_poll_init(&qdev->ddev);

	/* Complete initialization. */
	ret = drm_dev_register(&qdev->ddev, ent->driver_data);
	if (ret)
		goto modeset_cleanup;

	drm_fbdev_generic_setup(&qdev->ddev, 32);
	return 0;

modeset_cleanup:
	qxl_modeset_fini(qdev);
unload:
	qxl_device_fini(qdev);
disable_pci:
	pci_disable_device(pdev);
free_dev:
	kfree(qdev);
	return ret;
}

static void
qxl_pci_remove(struct pci_dev *pdev)
{
	struct drm_device *dev = pci_get_drvdata(pdev);
	struct qxl_device *qdev = dev->dev_private;

	drm_dev_unregister(dev);

	qxl_modeset_fini(qdev);
	qxl_device_fini(qdev);

	dev->dev_private = NULL;
	kfree(qdev);
	drm_dev_put(dev);
}

static const struct file_operations qxl_fops = {
	.owner = THIS_MODULE,
	.open = drm_open,
	.release = drm_release,
	.unlocked_ioctl = drm_ioctl,
	.poll = drm_poll,
	.read = drm_read,
	.mmap = qxl_mmap,
};

static int qxl_drm_freeze(struct drm_device *dev)
{
	struct pci_dev *pdev = dev->pdev;
	struct qxl_device *qdev = dev->dev_private;
	int ret;

	ret = drm_mode_config_helper_suspend(dev);
	if (ret)
		return ret;

	qxl_destroy_monitors_object(qdev);
	qxl_surf_evict(qdev);
	qxl_vram_evict(qdev);

	while (!qxl_check_idle(qdev->command_ring));
	while (!qxl_check_idle(qdev->release_ring))
		qxl_queue_garbage_collect(qdev, 1);

	pci_save_state(pdev);

	return 0;
}

static int qxl_drm_resume(struct drm_device *dev, bool thaw)
{
	struct qxl_device *qdev = dev->dev_private;

	qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
	if (!thaw) {
		qxl_reinit_memslots(qdev);
		qxl_ring_init_hdr(qdev->release_ring);
	}

	qxl_create_monitors_object(qdev);
	return drm_mode_config_helper_resume(dev);
}

static int qxl_pm_suspend(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	int error;

	error = qxl_drm_freeze(drm_dev);
	if (error)
		return error;

	pci_disable_device(pdev);
	pci_set_power_state(pdev, PCI_D3hot);
	return 0;
}

static int qxl_pm_resume(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);

	pci_set_power_state(pdev, PCI_D0);
	pci_restore_state(pdev);
	if (pci_enable_device(pdev)) {
		return -EIO;
	}

	return qxl_drm_resume(drm_dev, false);
}

static int qxl_pm_thaw(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);

	return qxl_drm_resume(drm_dev, true);
}

static int qxl_pm_freeze(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);

	return qxl_drm_freeze(drm_dev);
}

static int qxl_pm_restore(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	struct qxl_device *qdev = drm_dev->dev_private;

	qxl_io_reset(qdev);
	return qxl_drm_resume(drm_dev, false);
}

static const struct dev_pm_ops qxl_pm_ops = {
	.suspend = qxl_pm_suspend,
	.resume = qxl_pm_resume,
	.freeze = qxl_pm_freeze,
	.thaw = qxl_pm_thaw,
	.poweroff = qxl_pm_freeze,
	.restore = qxl_pm_restore,
};
static struct pci_driver qxl_pci_driver = {
	 .name = DRIVER_NAME,
	 .id_table = pciidlist,
	 .probe = qxl_pci_probe,
	 .remove = qxl_pci_remove,
	 .driver.pm = &qxl_pm_ops,
};

static struct drm_driver qxl_driver = {
	.driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME |
			   DRIVER_ATOMIC,

	.dumb_create = qxl_mode_dumb_create,
	.dumb_map_offset = qxl_mode_dumb_mmap,
#if defined(CONFIG_DEBUG_FS)
	.debugfs_init = qxl_debugfs_init,
#endif
	.gem_prime_export = drm_gem_prime_export,
	.gem_prime_import = drm_gem_prime_import,
	.gem_prime_pin = qxl_gem_prime_pin,
	.gem_prime_unpin = qxl_gem_prime_unpin,
	.gem_prime_vmap = qxl_gem_prime_vmap,
	.gem_prime_vunmap = qxl_gem_prime_vunmap,
	.gem_prime_mmap = qxl_gem_prime_mmap,
	.gem_free_object_unlocked = qxl_gem_object_free,
	.gem_open_object = qxl_gem_object_open,
	.gem_close_object = qxl_gem_object_close,
	.fops = &qxl_fops,
	.ioctls = qxl_ioctls,
	.irq_handler = qxl_irq_handler,
	.name = DRIVER_NAME,
	.desc = DRIVER_DESC,
	.date = DRIVER_DATE,
	.major = 0,
	.minor = 1,
	.patchlevel = 0,
};

static int __init qxl_init(void)
{
	if (vgacon_text_force() && qxl_modeset == -1)
		return -EINVAL;

	if (qxl_modeset == 0)
		return -EINVAL;
	qxl_driver.num_ioctls = qxl_max_ioctls;
	return pci_register_driver(&qxl_pci_driver);
}

static void __exit qxl_exit(void)
{
	pci_unregister_driver(&qxl_pci_driver);
}

module_init(qxl_init);
module_exit(qxl_exit);

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
Commit	Line	Data
f64122c1 DA	1	/* vim: set ts=8 sw=8 tw=78 ai noexpandtab */
	2	/* qxl_drv.c -- QXL driver -- linux-c --
	3	*
	4	* Copyright 2011 Red Hat, Inc.
	5	* All Rights Reserved.
	6	*
	7	* Permission is hereby granted, free of charge, to any person obtaining a
	8	* copy of this software and associated documentation files (the "Software"),
	9	* to deal in the Software without restriction, including without limitation
	10	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	11	* and/or sell copies of the Software, and to permit persons to whom the
	12	* Software is furnished to do so, subject to the following conditions:
	13	*
	14	* The above copyright notice and this permission notice (including the next
	15	* paragraph) shall be included in all copies or substantial portions of the
	16	* Software.
	17	*
	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	20	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	21	* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
	22	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	23	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	24	* OTHER DEALINGS IN THE SOFTWARE.
	25	*
	26	* Authors:
	27	* Dave Airlie <airlie@redhat.com>
	28	* Alon Levy <alevy@redhat.com>
	29	*/
	30
	31	#include <linux/module.h>
	32	#include <linux/console.h>
	33
edaf492c MY	34	#include <drm/drmP.h>
edaf492c MY	35	#include <drm/drm.h>
fcd70cd3 DV	36	#include <drm/drm_modeset_helper.h>
fcd70cd3 DV	37	#include <drm/drm_probe_helper.h>
f64122c1	38	#include "qxl_drv.h"
d84300bf	39	#include "qxl_object.h"
f64122c1	40
9baa3c34	41	static const struct pci_device_id pciidlist[] = {
f64122c1 DA	42	{ 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8,
	43	0xffff00, 0 },
	44	{ 0x1b36, 0x100, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_OTHER << 8,
	45	0xffff00, 0 },
	46	{ 0, 0, 0 },
	47	};
	48	MODULE_DEVICE_TABLE(pci, pciidlist);
	49
6d01f1f5	50	static int qxl_modeset = -1;
07f8d9bd	51	int qxl_num_crtc = 4;
f64122c1 DA	52
	53	MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
	54	module_param_named(modeset, qxl_modeset, int, 0400);
	55
07f8d9bd DA	56	MODULE_PARM_DESC(num_heads, "Number of virtual crtcs to expose (default 4)");
	57	module_param_named(num_heads, qxl_num_crtc, int, 0400);
	58
f64122c1 DA	59	static struct drm_driver qxl_driver;
	60	static struct pci_driver qxl_pci_driver;
	61
	62	static int
	63	qxl_pci_probe(struct pci_dev pdev, const struct pci_device_id ent)
	64	{
2b65d567 GKB	65	struct qxl_device *qdev;
	66	int ret;
	67
f64122c1 DA	68	if (pdev->revision < 4) {
	69	DRM_ERROR("qxl too old, doesn't support client_monitors_config,"
	70	" use xf86-video-qxl in user mode");
	71	return -EINVAL; /* TODO: ENODEV ? */
	72	}
2b65d567	73
2b65d567	74	qdev = kzalloc(sizeof(struct qxl_device), GFP_KERNEL);
cbdded7f GKB	75	if (!qdev)
cbdded7f GKB	76	return -ENOMEM;
2b65d567 GKB	77
	78	ret = pci_enable_device(pdev);
	79	if (ret)
cbdded7f	80	goto free_dev;
2b65d567	81
c34674a2 GH	82	ret = drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, 0, "qxl");
	83	if (ret)
	84	goto disable_pci;
	85
aa5b62ba	86	ret = qxl_device_init(qdev, &qxl_driver, pdev);
2b65d567 GKB	87	if (ret)
	88	goto disable_pci;
	89
2b65d567 GKB	90	ret = qxl_modeset_init(qdev);
2b65d567 GKB	91	if (ret)
64ca824e	92	goto unload;
2b65d567	93
cbdded7f	94	drm_kms_helper_poll_init(&qdev->ddev);
2b65d567 GKB	95
2b65d567 GKB	96	/* Complete initialization. */
cbdded7f	97	ret = drm_dev_register(&qdev->ddev, ent->driver_data);
2b65d567 GKB	98	if (ret)
	99	goto modeset_cleanup;
	100
26d4707d	101	drm_fbdev_generic_setup(&qdev->ddev, 32);
2b65d567 GKB	102	return 0;
	103
	104	modeset_cleanup:
	105	qxl_modeset_fini(qdev);
2b65d567 GKB	106	unload:
	107	qxl_device_fini(qdev);
	108	disable_pci:
	109	pci_disable_device(pdev);
cbdded7f	110	free_dev:
2b65d567	111	kfree(qdev);
2b65d567	112	return ret;
f64122c1 DA	113	}
	114
	115	static void
	116	qxl_pci_remove(struct pci_dev *pdev)
	117	{
	118	struct drm_device *dev = pci_get_drvdata(pdev);
6f897f51 GKB	119	struct qxl_device *qdev = dev->dev_private;
	120
	121	drm_dev_unregister(dev);
	122
	123	qxl_modeset_fini(qdev);
	124	qxl_device_fini(qdev);
f64122c1	125
6f897f51 GKB	126	dev->dev_private = NULL;
6f897f51 GKB	127	kfree(qdev);
b0d146ac	128	drm_dev_put(dev);
f64122c1 DA	129	}
f64122c1 DA	130
f64122c1 DA	131	static const struct file_operations qxl_fops = {
	132	.owner = THIS_MODULE,
	133	.open = drm_open,
	134	.release = drm_release,
	135	.unlocked_ioctl = drm_ioctl,
	136	.poll = drm_poll,
058e9f5c	137	.read = drm_read,
f64122c1 DA	138	.mmap = qxl_mmap,
	139	};
	140
d84300bf DA	141	static int qxl_drm_freeze(struct drm_device *dev)
	142	{
	143	struct pci_dev *pdev = dev->pdev;
	144	struct qxl_device *qdev = dev->dev_private;
7948a2b1	145	int ret;
d84300bf	146
7948a2b1 PW	147	ret = drm_mode_config_helper_suspend(dev);
	148	if (ret)
	149	return ret;
d84300bf DA	150
	151	qxl_destroy_monitors_object(qdev);
	152	qxl_surf_evict(qdev);
	153	qxl_vram_evict(qdev);
	154
	155	while (!qxl_check_idle(qdev->command_ring));
	156	while (!qxl_check_idle(qdev->release_ring))
	157	qxl_queue_garbage_collect(qdev, 1);
	158
	159	pci_save_state(pdev);
	160
	161	return 0;
	162	}
	163
	164	static int qxl_drm_resume(struct drm_device *dev, bool thaw)
	165	{
	166	struct qxl_device *qdev = dev->dev_private;
	167
	168	qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
	169	if (!thaw) {
	170	qxl_reinit_memslots(qdev);
	171	qxl_ring_init_hdr(qdev->release_ring);
	172	}
	173
	174	qxl_create_monitors_object(qdev);
7948a2b1	175	return drm_mode_config_helper_resume(dev);
d84300bf DA	176	}
	177
	178	static int qxl_pm_suspend(struct device *dev)
	179	{
	180	struct pci_dev *pdev = to_pci_dev(dev);
	181	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	182	int error;
	183
	184	error = qxl_drm_freeze(drm_dev);
	185	if (error)
	186	return error;
	187
	188	pci_disable_device(pdev);
	189	pci_set_power_state(pdev, PCI_D3hot);
	190	return 0;
	191	}
	192
	193	static int qxl_pm_resume(struct device *dev)
	194	{
	195	struct pci_dev *pdev = to_pci_dev(dev);
	196	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	197
	198	pci_set_power_state(pdev, PCI_D0);
	199	pci_restore_state(pdev);
	200	if (pci_enable_device(pdev)) {
	201	return -EIO;
	202	}
	203
	204	return qxl_drm_resume(drm_dev, false);
	205	}
	206
	207	static int qxl_pm_thaw(struct device *dev)
	208	{
	209	struct pci_dev *pdev = to_pci_dev(dev);
	210	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	211
	212	return qxl_drm_resume(drm_dev, true);
	213	}
	214
	215	static int qxl_pm_freeze(struct device *dev)
	216	{
	217	struct pci_dev *pdev = to_pci_dev(dev);
	218	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	219
	220	return qxl_drm_freeze(drm_dev);
	221	}
	222
	223	static int qxl_pm_restore(struct device *dev)
	224	{
	225	struct pci_dev *pdev = to_pci_dev(dev);
	226	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	227	struct qxl_device *qdev = drm_dev->dev_private;
	228
	229	qxl_io_reset(qdev);
	230	return qxl_drm_resume(drm_dev, false);
	231	}
	232
	233	static const struct dev_pm_ops qxl_pm_ops = {
	234	.suspend = qxl_pm_suspend,
	235	.resume = qxl_pm_resume,
	236	.freeze = qxl_pm_freeze,
	237	.thaw = qxl_pm_thaw,
	238	.poweroff = qxl_pm_freeze,
	239	.restore = qxl_pm_restore,
240	};
241	static struct pci_driver qxl_pci_driver = {
242	.name = DRIVER_NAME,
243	.id_table = pciidlist,
244	.probe = qxl_pci_probe,
245	.remove = qxl_pci_remove,
246	.driver.pm = &qxl_pm_ops,
247	};
248
f64122c1	249	static struct drm_driver qxl_driver = {
47c12968	250	.driver_features = DRIVER_GEM \| DRIVER_MODESET \| DRIVER_PRIME \|
fb4fe33f	251	DRIVER_ATOMIC,
f64122c1 DA	252
	253	.dumb_create = qxl_mode_dumb_create,
	254	.dumb_map_offset = qxl_mode_dumb_mmap,
f64122c1 DA	255	#if defined(CONFIG_DEBUG_FS)
f64122c1 DA	256	.debugfs_init = qxl_debugfs_init,
f64122c1	257	#endif
47c12968 AP	258	.gem_prime_export = drm_gem_prime_export,
	259	.gem_prime_import = drm_gem_prime_import,
	260	.gem_prime_pin = qxl_gem_prime_pin,
	261	.gem_prime_unpin = qxl_gem_prime_unpin,
47c12968 AP	262	.gem_prime_vmap = qxl_gem_prime_vmap,
	263	.gem_prime_vunmap = qxl_gem_prime_vunmap,
	264	.gem_prime_mmap = qxl_gem_prime_mmap,
9f4eebd7	265	.gem_free_object_unlocked = qxl_gem_object_free,
f64122c1 DA	266	.gem_open_object = qxl_gem_object_open,
	267	.gem_close_object = qxl_gem_object_close,
	268	.fops = &qxl_fops,
	269	.ioctls = qxl_ioctls,
	270	.irq_handler = qxl_irq_handler,
	271	.name = DRIVER_NAME,
	272	.desc = DRIVER_DESC,
	273	.date = DRIVER_DATE,
	274	.major = 0,
	275	.minor = 1,
	276	.patchlevel = 0,
	277	};
	278
	279	static int __init qxl_init(void)
	280	{
f64122c1 DA	281	if (vgacon_text_force() && qxl_modeset == -1)
f64122c1 DA	282	return -EINVAL;
f64122c1 DA	283
	284	if (qxl_modeset == 0)
	285	return -EINVAL;
	286	qxl_driver.num_ioctls = qxl_max_ioctls;
10631d72	287	return pci_register_driver(&qxl_pci_driver);
f64122c1 DA	288	}
	289
	290	static void __exit qxl_exit(void)
	291	{
10631d72	292	pci_unregister_driver(&qxl_pci_driver);
f64122c1 DA	293	}
	294
	295	module_init(qxl_init);
	296	module_exit(qxl_exit);
	297
	298	MODULE_AUTHOR(DRIVER_AUTHOR);
	299	MODULE_DESCRIPTION(DRIVER_DESC);
	300	MODULE_LICENSE("GPL and additional rights");