[linux-block.git] / drivers / gpu / drm / mgag200 / mgag200_drv.c

/*
 * Copyright 2012 Red Hat
 *
 * This file is subject to the terms and conditions of the GNU General
 * Public License version 2. See the file COPYING in the main
 * directory of this archive for more details.
 *
 * Authors: Matthew Garrett
 *          Dave Airlie
 */
#include <linux/module.h>
#include <linux/console.h>
#include <drm/drmP.h>

#include "mgag200_drv.h"

#include <drm/drm_pciids.h>

/*
 * This is the generic driver code. This binds the driver to the drm core,
 * which then performs further device association and calls our graphics init
 * functions
 */
int mgag200_modeset = -1;

MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
module_param_named(modeset, mgag200_modeset, int, 0400);

static struct drm_driver driver;

static const struct pci_device_id pciidlist[] = {
	{ PCI_VENDOR_ID_MATROX, 0x522, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_A },
	{ PCI_VENDOR_ID_MATROX, 0x524, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_B },
	{ PCI_VENDOR_ID_MATROX, 0x530, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EV },
	{ PCI_VENDOR_ID_MATROX, 0x532, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_WB },
	{ PCI_VENDOR_ID_MATROX, 0x533, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EH },
	{ PCI_VENDOR_ID_MATROX, 0x534, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_ER },
	{ PCI_VENDOR_ID_MATROX, 0x536, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EW3 },
	{ PCI_VENDOR_ID_MATROX, 0x538, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EH3 },
	{0,}
};

MODULE_DEVICE_TABLE(pci, pciidlist);

static void mgag200_kick_out_firmware_fb(struct pci_dev *pdev)
{
	struct apertures_struct *ap;
	bool primary = false;

	ap = alloc_apertures(1);
	if (!ap)
		return;

	ap->ranges[0].base = pci_resource_start(pdev, 0);
	ap->ranges[0].size = pci_resource_len(pdev, 0);

#ifdef CONFIG_X86
	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
#endif
	drm_fb_helper_remove_conflicting_framebuffers(ap, "mgag200drmfb", primary);
	kfree(ap);
}


static int mga_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	mgag200_kick_out_firmware_fb(pdev);

	return drm_get_pci_dev(pdev, ent, &driver);
}

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

	drm_put_dev(dev);
}

static const struct file_operations mgag200_driver_fops = {
	.owner = THIS_MODULE,
	.open = drm_open,
	.release = drm_release,
	.unlocked_ioctl = drm_ioctl,
	.mmap = mgag200_mmap,
	.poll = drm_poll,
	.compat_ioctl = drm_compat_ioctl,
	.read = drm_read,
};

static struct drm_driver driver = {
	.driver_features = DRIVER_GEM | DRIVER_MODESET,
	.load = mgag200_driver_load,
	.unload = mgag200_driver_unload,
	.set_busid = drm_pci_set_busid,
	.fops = &mgag200_driver_fops,
	.name = DRIVER_NAME,
	.desc = DRIVER_DESC,
	.date = DRIVER_DATE,
	.major = DRIVER_MAJOR,
	.minor = DRIVER_MINOR,
	.patchlevel = DRIVER_PATCHLEVEL,

	.gem_free_object_unlocked = mgag200_gem_free_object,
	.dumb_create = mgag200_dumb_create,
	.dumb_map_offset = mgag200_dumb_mmap_offset,
	.dumb_destroy = drm_gem_dumb_destroy,
};

static struct pci_driver mgag200_pci_driver = {
	.name = DRIVER_NAME,
	.id_table = pciidlist,
	.probe = mga_pci_probe,
	.remove = mga_pci_remove,
};

static int __init mgag200_init(void)
{
	if (vgacon_text_force() && mgag200_modeset == -1)
		return -EINVAL;

	if (mgag200_modeset == 0)
		return -EINVAL;
	return drm_pci_init(&driver, &mgag200_pci_driver);
}

static void __exit mgag200_exit(void)
{
	drm_pci_exit(&driver, &mgag200_pci_driver);
}

module_init(mgag200_init);
module_exit(mgag200_exit);

MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
Commit	Line	Data
414c4531 DA	1	/*
	2	* Copyright 2012 Red Hat
	3	*
	4	* This file is subject to the terms and conditions of the GNU General
	5	* Public License version 2. See the file COPYING in the main
	6	* directory of this archive for more details.
	7	*
	8	* Authors: Matthew Garrett
	9	* Dave Airlie
	10	*/
	11	#include <linux/module.h>
	12	#include <linux/console.h>
760285e7	13	#include <drm/drmP.h>
414c4531 DA	14
	15	#include "mgag200_drv.h"
	16
760285e7	17	#include <drm/drm_pciids.h>
414c4531 DA	18
	19	/*
	20	* This is the generic driver code. This binds the driver to the drm core,
	21	* which then performs further device association and calls our graphics init
	22	* functions
	23	*/
	24	int mgag200_modeset = -1;
	25
	26	MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
	27	module_param_named(modeset, mgag200_modeset, int, 0400);
	28
	29	static struct drm_driver driver;
	30
9baa3c34	31	static const struct pci_device_id pciidlist[] = {
414c4531 DA	32	{ PCI_VENDOR_ID_MATROX, 0x522, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_A },
	33	{ PCI_VENDOR_ID_MATROX, 0x524, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_B },
	34	{ PCI_VENDOR_ID_MATROX, 0x530, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EV },
	35	{ PCI_VENDOR_ID_MATROX, 0x532, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_WB },
	36	{ PCI_VENDOR_ID_MATROX, 0x533, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EH },
	37	{ PCI_VENDOR_ID_MATROX, 0x534, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_ER },
6d857c18	38	{ PCI_VENDOR_ID_MATROX, 0x536, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EW3 },
f0493e65	39	{ PCI_VENDOR_ID_MATROX, 0x538, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EH3 },
414c4531 DA	40	{0,}
	41	};
	42
	43	MODULE_DEVICE_TABLE(pci, pciidlist);
	44
08ef8e41 DA	45	static void mgag200_kick_out_firmware_fb(struct pci_dev *pdev)
	46	{
	47	struct apertures_struct *ap;
	48	bool primary = false;
	49
	50	ap = alloc_apertures(1);
4dbdf0ae DN	51	if (!ap)
	52	return;
	53
08ef8e41 DA	54	ap->ranges[0].base = pci_resource_start(pdev, 0);
	55	ap->ranges[0].size = pci_resource_len(pdev, 0);
	56
	57	#ifdef CONFIG_X86
	58	primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
	59	#endif
44adece5	60	drm_fb_helper_remove_conflicting_framebuffers(ap, "mgag200drmfb", primary);
08ef8e41 DA	61	kfree(ap);
	62	}
	63
	64
56550d94	65	static int mga_pci_probe(struct pci_dev pdev, const struct pci_device_id ent)
414c4531	66	{
08ef8e41 DA	67	mgag200_kick_out_firmware_fb(pdev);
08ef8e41 DA	68
414c4531 DA	69	return drm_get_pci_dev(pdev, ent, &driver);
	70	}
	71
	72	static void mga_pci_remove(struct pci_dev *pdev)
	73	{
	74	struct drm_device *dev = pci_get_drvdata(pdev);
	75
	76	drm_put_dev(dev);
	77	}
	78
	79	static const struct file_operations mgag200_driver_fops = {
	80	.owner = THIS_MODULE,
	81	.open = drm_open,
	82	.release = drm_release,
	83	.unlocked_ioctl = drm_ioctl,
	84	.mmap = mgag200_mmap,
	85	.poll = drm_poll,
804d74ab	86	.compat_ioctl = drm_compat_ioctl,
414c4531 DA	87	.read = drm_read,
	88	};
	89
	90	static struct drm_driver driver = {
28185647	91	.driver_features = DRIVER_GEM \| DRIVER_MODESET,
414c4531 DA	92	.load = mgag200_driver_load,
414c4531 DA	93	.unload = mgag200_driver_unload,
915b4d11	94	.set_busid = drm_pci_set_busid,
414c4531 DA	95	.fops = &mgag200_driver_fops,
	96	.name = DRIVER_NAME,
	97	.desc = DRIVER_DESC,
	98	.date = DRIVER_DATE,
	99	.major = DRIVER_MAJOR,
	100	.minor = DRIVER_MINOR,
	101	.patchlevel = DRIVER_PATCHLEVEL,
	102
faf13eb6	103	.gem_free_object_unlocked = mgag200_gem_free_object,
414c4531 DA	104	.dumb_create = mgag200_dumb_create,
414c4531 DA	105	.dumb_map_offset = mgag200_dumb_mmap_offset,
43387b37	106	.dumb_destroy = drm_gem_dumb_destroy,
414c4531 DA	107	};
	108
	109	static struct pci_driver mgag200_pci_driver = {
	110	.name = DRIVER_NAME,
	111	.id_table = pciidlist,
	112	.probe = mga_pci_probe,
	113	.remove = mga_pci_remove,
	114	};
	115
	116	static int __init mgag200_init(void)
	117	{
	118	if (vgacon_text_force() && mgag200_modeset == -1)
	119	return -EINVAL;
	120
	121	if (mgag200_modeset == 0)
	122	return -EINVAL;
	123	return drm_pci_init(&driver, &mgag200_pci_driver);
	124	}
	125
	126	static void __exit mgag200_exit(void)
	127	{
	128	drm_pci_exit(&driver, &mgag200_pci_driver);
	129	}
	130
	131	module_init(mgag200_init);
	132	module_exit(mgag200_exit);
	133
	134	MODULE_AUTHOR(DRIVER_AUTHOR);
	135	MODULE_DESCRIPTION(DRIVER_DESC);
	136	MODULE_LICENSE("GPL");