[deliverable/linux.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 "drmP.h"
#include "drm/drm.h"
#include "drm_crtc_helper.h"
#include "qxl_drv.h"
#include "qxl_object.h"

extern int qxl_max_ioctls;
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)
{
	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 ? */
	}
	return drm_get_pci_dev(pdev, ent, &qxl_driver);
}

static void
qxl_pci_remove(struct pci_dev *pdev)
{
	struct drm_device *dev = pci_get_drvdata(pdev);

	drm_put_dev(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;
	struct drm_crtc *crtc;

	drm_kms_helper_poll_disable(dev);

	console_lock();
	qxl_fbdev_set_suspend(qdev, 1);
	console_unlock();

	/* unpin the front buffers */
	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
		const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
		if (crtc->enabled)
			(*crtc_funcs->disable)(crtc);
	}

	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);
	drm_helper_resume_force_mode(dev);

	console_lock();
	qxl_fbdev_set_suspend(qdev, 0);
	console_unlock();

	drm_kms_helper_poll_enable(dev);
	return 0;
}

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 u32 qxl_noop_get_vblank_counter(struct drm_device *dev,
				       unsigned int pipe)
{
	return 0;
}

static int qxl_noop_enable_vblank(struct drm_device *dev, unsigned int pipe)
{
	return 0;
}

static void qxl_noop_disable_vblank(struct drm_device *dev, unsigned int pipe)
{
}

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_HAVE_IRQ | DRIVER_IRQ_SHARED,
	.load = qxl_driver_load,
	.unload = qxl_driver_unload,
	.get_vblank_counter = qxl_noop_get_vblank_counter,
	.enable_vblank = qxl_noop_enable_vblank,
	.disable_vblank = qxl_noop_disable_vblank,

	.set_busid = drm_pci_set_busid,

	.dumb_create = qxl_mode_dumb_create,
	.dumb_map_offset = qxl_mode_dumb_mmap,
	.dumb_destroy = drm_gem_dumb_destroy,
#if defined(CONFIG_DEBUG_FS)
	.debugfs_init = qxl_debugfs_init,
	.debugfs_cleanup = qxl_debugfs_takedown,
#endif
	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
	.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_get_sg_table = qxl_gem_prime_get_sg_table,
	.gem_prime_import_sg_table = qxl_gem_prime_import_sg_table,
	.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 drm_pci_init(&qxl_driver, &qxl_pci_driver);
}

static void __exit qxl_exit(void)
{
	drm_pci_exit(&qxl_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
	34	#include "drmP.h"
	35	#include "drm/drm.h"
d84300bf	36	#include "drm_crtc_helper.h"
f64122c1	37	#include "qxl_drv.h"
d84300bf	38	#include "qxl_object.h"
f64122c1 DA	39
f64122c1 DA	40	extern int qxl_max_ioctls;
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	{
	65	if (pdev->revision < 4) {
	66	DRM_ERROR("qxl too old, doesn't support client_monitors_config,"
	67	" use xf86-video-qxl in user mode");
	68	return -EINVAL; /* TODO: ENODEV ? */
	69	}
	70	return drm_get_pci_dev(pdev, ent, &qxl_driver);
	71	}
	72
	73	static void
	74	qxl_pci_remove(struct pci_dev *pdev)
	75	{
	76	struct drm_device *dev = pci_get_drvdata(pdev);
	77
	78	drm_put_dev(dev);
	79	}
	80
f64122c1 DA	81	static const struct file_operations qxl_fops = {
	82	.owner = THIS_MODULE,
	83	.open = drm_open,
	84	.release = drm_release,
	85	.unlocked_ioctl = drm_ioctl,
	86	.poll = drm_poll,
058e9f5c	87	.read = drm_read,
f64122c1 DA	88	.mmap = qxl_mmap,
	89	};
	90
d84300bf DA	91	static int qxl_drm_freeze(struct drm_device *dev)
	92	{
	93	struct pci_dev *pdev = dev->pdev;
	94	struct qxl_device *qdev = dev->dev_private;
	95	struct drm_crtc *crtc;
	96
	97	drm_kms_helper_poll_disable(dev);
	98
	99	console_lock();
	100	qxl_fbdev_set_suspend(qdev, 1);
	101	console_unlock();
	102
	103	/* unpin the front buffers */
	104	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
71279a11	105	const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
d84300bf DA	106	if (crtc->enabled)
	107	(*crtc_funcs->disable)(crtc);
	108	}
	109
	110	qxl_destroy_monitors_object(qdev);
	111	qxl_surf_evict(qdev);
	112	qxl_vram_evict(qdev);
	113
	114	while (!qxl_check_idle(qdev->command_ring));
	115	while (!qxl_check_idle(qdev->release_ring))
	116	qxl_queue_garbage_collect(qdev, 1);
	117
	118	pci_save_state(pdev);
	119
	120	return 0;
	121	}
	122
	123	static int qxl_drm_resume(struct drm_device *dev, bool thaw)
	124	{
	125	struct qxl_device *qdev = dev->dev_private;
	126
	127	qdev->ram_header->int_mask = QXL_INTERRUPT_MASK;
	128	if (!thaw) {
	129	qxl_reinit_memslots(qdev);
	130	qxl_ring_init_hdr(qdev->release_ring);
	131	}
	132
	133	qxl_create_monitors_object(qdev);
	134	drm_helper_resume_force_mode(dev);
	135
	136	console_lock();
	137	qxl_fbdev_set_suspend(qdev, 0);
	138	console_unlock();
	139
	140	drm_kms_helper_poll_enable(dev);
	141	return 0;
	142	}
	143
	144	static int qxl_pm_suspend(struct device *dev)
	145	{
	146	struct pci_dev *pdev = to_pci_dev(dev);
	147	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	148	int error;
	149
	150	error = qxl_drm_freeze(drm_dev);
	151	if (error)
	152	return error;
	153
	154	pci_disable_device(pdev);
	155	pci_set_power_state(pdev, PCI_D3hot);
	156	return 0;
	157	}
	158
	159	static int qxl_pm_resume(struct device *dev)
	160	{
	161	struct pci_dev *pdev = to_pci_dev(dev);
	162	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	163
	164	pci_set_power_state(pdev, PCI_D0);
	165	pci_restore_state(pdev);
	166	if (pci_enable_device(pdev)) {
	167	return -EIO;
	168	}
	169
170	return qxl_drm_resume(drm_dev, false);
171	}
172
173	static int qxl_pm_thaw(struct device *dev)
174	{
175	struct pci_dev *pdev = to_pci_dev(dev);
176	struct drm_device *drm_dev = pci_get_drvdata(pdev);
177
178	return qxl_drm_resume(drm_dev, true);
179	}
180
181	static int qxl_pm_freeze(struct device *dev)
182	{
183	struct pci_dev *pdev = to_pci_dev(dev);
184	struct drm_device *drm_dev = pci_get_drvdata(pdev);
185
186	return qxl_drm_freeze(drm_dev);
187	}
188
189	static int qxl_pm_restore(struct device *dev)
190	{
191	struct pci_dev *pdev = to_pci_dev(dev);
192	struct drm_device *drm_dev = pci_get_drvdata(pdev);
193	struct qxl_device *qdev = drm_dev->dev_private;
194
195	qxl_io_reset(qdev);
196	return qxl_drm_resume(drm_dev, false);
197	}
198
88e72717 TR	199	static u32 qxl_noop_get_vblank_counter(struct drm_device *dev,
88e72717 TR	200	unsigned int pipe)
058e9f5c	201	{
337eb43c	202	return 0;
058e9f5c AP	203	}
058e9f5c AP	204
88e72717	205	static int qxl_noop_enable_vblank(struct drm_device *dev, unsigned int pipe)
058e9f5c AP	206	{
	207	return 0;
	208	}
	209
88e72717	210	static void qxl_noop_disable_vblank(struct drm_device *dev, unsigned int pipe)
058e9f5c AP	211	{
	212	}
	213
d84300bf DA	214	static const struct dev_pm_ops qxl_pm_ops = {
	215	.suspend = qxl_pm_suspend,
	216	.resume = qxl_pm_resume,
	217	.freeze = qxl_pm_freeze,
	218	.thaw = qxl_pm_thaw,
	219	.poweroff = qxl_pm_freeze,
	220	.restore = qxl_pm_restore,
	221	};
	222	static struct pci_driver qxl_pci_driver = {
	223	.name = DRIVER_NAME,
	224	.id_table = pciidlist,
	225	.probe = qxl_pci_probe,
	226	.remove = qxl_pci_remove,
	227	.driver.pm = &qxl_pm_ops,
	228	};
	229
f64122c1	230	static struct drm_driver qxl_driver = {
47c12968	231	.driver_features = DRIVER_GEM \| DRIVER_MODESET \| DRIVER_PRIME \|
f64122c1	232	DRIVER_HAVE_IRQ \| DRIVER_IRQ_SHARED,
f64122c1 DA	233	.load = qxl_driver_load,
f64122c1 DA	234	.unload = qxl_driver_unload,
058e9f5c AP	235	.get_vblank_counter = qxl_noop_get_vblank_counter,
	236	.enable_vblank = qxl_noop_enable_vblank,
	237	.disable_vblank = qxl_noop_disable_vblank,
f64122c1	238
915b4d11 DH	239	.set_busid = drm_pci_set_busid,
915b4d11 DH	240
f64122c1 DA	241	.dumb_create = qxl_mode_dumb_create,
f64122c1 DA	242	.dumb_map_offset = qxl_mode_dumb_mmap,
43387b37	243	.dumb_destroy = drm_gem_dumb_destroy,
f64122c1 DA	244	#if defined(CONFIG_DEBUG_FS)
	245	.debugfs_init = qxl_debugfs_init,
	246	.debugfs_cleanup = qxl_debugfs_takedown,
	247	#endif
47c12968 AP	248	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
	249	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
	250	.gem_prime_export = drm_gem_prime_export,
	251	.gem_prime_import = drm_gem_prime_import,
	252	.gem_prime_pin = qxl_gem_prime_pin,
	253	.gem_prime_unpin = qxl_gem_prime_unpin,
	254	.gem_prime_get_sg_table = qxl_gem_prime_get_sg_table,
	255	.gem_prime_import_sg_table = qxl_gem_prime_import_sg_table,
	256	.gem_prime_vmap = qxl_gem_prime_vmap,
	257	.gem_prime_vunmap = qxl_gem_prime_vunmap,
	258	.gem_prime_mmap = qxl_gem_prime_mmap,
9f4eebd7	259	.gem_free_object_unlocked = qxl_gem_object_free,
f64122c1 DA	260	.gem_open_object = qxl_gem_object_open,
	261	.gem_close_object = qxl_gem_object_close,
	262	.fops = &qxl_fops,
	263	.ioctls = qxl_ioctls,
	264	.irq_handler = qxl_irq_handler,
	265	.name = DRIVER_NAME,
	266	.desc = DRIVER_DESC,
	267	.date = DRIVER_DATE,
	268	.major = 0,
	269	.minor = 1,
	270	.patchlevel = 0,
	271	};
	272
	273	static int __init qxl_init(void)
	274	{
f64122c1 DA	275	if (vgacon_text_force() && qxl_modeset == -1)
f64122c1 DA	276	return -EINVAL;
f64122c1 DA	277
	278	if (qxl_modeset == 0)
	279	return -EINVAL;
	280	qxl_driver.num_ioctls = qxl_max_ioctls;
	281	return drm_pci_init(&qxl_driver, &qxl_pci_driver);
	282	}
	283
	284	static void __exit qxl_exit(void)
	285	{
	286	drm_pci_exit(&qxl_driver, &qxl_pci_driver);
	287	}
	288
	289	module_init(qxl_init);
	290	module_exit(qxl_exit);
	291
	292	MODULE_AUTHOR(DRIVER_AUTHOR);
	293	MODULE_DESCRIPTION(DRIVER_DESC);
	294	MODULE_LICENSE("GPL and additional rights");