Release 4.7 drivers/gpu/drm/cirrus/cirrus_drv.c
  
  
/*
 * Copyright 2012 Red Hat <mjg@redhat.com>
 *
 * 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 <drm/drm_crtc_helper.h>
#include "cirrus_drv.h"
int cirrus_modeset = -1;
int cirrus_bpp = 24;
MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
module_param_named(modeset, cirrus_modeset, int, 0400);
MODULE_PARM_DESC(bpp, "Max bits-per-pixel (default:24)");
module_param_named(bpp, cirrus_bpp, int, 0400);
/*
 * 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
 */
static struct drm_driver driver;
/* only bind to the cirrus chip in qemu */
static const struct pci_device_id pciidlist[] = {
	{ PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446,
	  PCI_SUBVENDOR_ID_REDHAT_QUMRANET, PCI_SUBDEVICE_ID_QEMU,
	  0, 0, 0 },
	{ PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446, PCI_VENDOR_ID_XEN,
	  0x0001, 0, 0, 0 },
	{0,}
};
static int cirrus_kick_out_firmware_fb(struct pci_dev *pdev)
{
	struct apertures_struct *ap;
	bool primary = false;
	ap = alloc_apertures(1);
	if (!ap)
		return -ENOMEM;
	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
	remove_conflicting_framebuffers(ap, "cirrusdrmfb", primary);
	kfree(ap);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| dave airlie | dave airlie | 91 | 87.50% | 1 | 50.00% | 
| tommi rantala | tommi rantala | 13 | 12.50% | 1 | 50.00% | 
 | Total | 104 | 100.00% | 2 | 100.00% | 
static int cirrus_pci_probe(struct pci_dev *pdev,
			    const struct pci_device_id *ent)
{
	int ret;
	ret = cirrus_kick_out_firmware_fb(pdev);
	if (ret)
		return ret;
	return drm_get_pci_dev(pdev, ent, &driver);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| dave airlie | dave airlie | 33 | 73.33% | 2 | 66.67% | 
| tommi rantala | tommi rantala | 12 | 26.67% | 1 | 33.33% | 
 | Total | 45 | 100.00% | 3 | 100.00% | 
static void cirrus_pci_remove(struct pci_dev *pdev)
{
	struct drm_device *dev = pci_get_drvdata(pdev);
	drm_put_dev(dev);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| dave airlie | dave airlie | 26 | 100.00% | 1 | 100.00% | 
 | Total | 26 | 100.00% | 1 | 100.00% | 
#ifdef CONFIG_PM_SLEEP
static int cirrus_pm_suspend(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	struct cirrus_device *cdev = drm_dev->dev_private;
	drm_kms_helper_poll_disable(drm_dev);
	if (cdev->mode_info.gfbdev) {
		console_lock();
		drm_fb_helper_set_suspend(&cdev->mode_info.gfbdev->helper, 1);
		console_unlock();
	}
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| gerd hoffmann | gerd hoffmann | 76 | 97.44% | 1 | 50.00% | 
| archit taneja | archit taneja | 2 | 2.56% | 1 | 50.00% | 
 | Total | 78 | 100.00% | 2 | 100.00% | 
static int cirrus_pm_resume(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	struct cirrus_device *cdev = drm_dev->dev_private;
	drm_helper_resume_force_mode(drm_dev);
	if (cdev->mode_info.gfbdev) {
		console_lock();
		drm_fb_helper_set_suspend(&cdev->mode_info.gfbdev->helper, 0);
		console_unlock();
	}
	drm_kms_helper_poll_enable(drm_dev);
	return 0;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| gerd hoffmann | gerd hoffmann | 81 | 97.59% | 1 | 50.00% | 
| archit taneja | archit taneja | 2 | 2.41% | 1 | 50.00% | 
 | Total | 83 | 100.00% | 2 | 100.00% | 
#endif
static const struct file_operations cirrus_driver_fops = {
	.owner = THIS_MODULE,
	.open = drm_open,
	.release = drm_release,
	.unlocked_ioctl = drm_ioctl,
	.mmap = cirrus_mmap,
	.poll = drm_poll,
#ifdef CONFIG_COMPAT
	.compat_ioctl = drm_compat_ioctl,
#endif
};
static struct drm_driver driver = {
	.driver_features = DRIVER_MODESET | DRIVER_GEM,
	.load = cirrus_driver_load,
	.unload = cirrus_driver_unload,
	.set_busid = drm_pci_set_busid,
	.fops = &cirrus_driver_fops,
	.name = DRIVER_NAME,
	.desc = DRIVER_DESC,
	.date = DRIVER_DATE,
	.major = DRIVER_MAJOR,
	.minor = DRIVER_MINOR,
	.patchlevel = DRIVER_PATCHLEVEL,
	.gem_free_object = cirrus_gem_free_object,
	.dumb_create = cirrus_dumb_create,
	.dumb_map_offset = cirrus_dumb_mmap_offset,
	.dumb_destroy = drm_gem_dumb_destroy,
};
static const struct dev_pm_ops cirrus_pm_ops = {
	SET_SYSTEM_SLEEP_PM_OPS(cirrus_pm_suspend,
				cirrus_pm_resume)
};
static struct pci_driver cirrus_pci_driver = {
	.name = DRIVER_NAME,
	.id_table = pciidlist,
	.probe = cirrus_pci_probe,
	.remove = cirrus_pci_remove,
	.driver.pm = &cirrus_pm_ops,
};
static int __init cirrus_init(void)
{
	if (vgacon_text_force() && cirrus_modeset == -1)
		return -EINVAL;
	if (cirrus_modeset == 0)
		return -EINVAL;
	return drm_pci_init(&driver, &cirrus_pci_driver);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| dave airlie | dave airlie | 43 | 100.00% | 1 | 100.00% | 
 | Total | 43 | 100.00% | 1 | 100.00% | 
static void __exit cirrus_exit(void)
{
	drm_pci_exit(&driver, &cirrus_pci_driver);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| dave airlie | dave airlie | 18 | 100.00% | 1 | 100.00% | 
 | Total | 18 | 100.00% | 1 | 100.00% | 
module_init(cirrus_init);
module_exit(cirrus_exit);
MODULE_DEVICE_TABLE(pci, pciidlist);
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
Overall Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| dave airlie | dave airlie | 451 | 61.53% | 2 | 13.33% | 
| gerd hoffmann | gerd hoffmann | 183 | 24.97% | 1 | 6.67% | 
| tommi rantala | tommi rantala | 25 | 3.41% | 1 | 6.67% | 
| takashi iwai | takashi iwai | 23 | 3.14% | 1 | 6.67% | 
| olaf hering | olaf hering | 16 | 2.18% | 1 | 6.67% | 
| keith packard | keith packard | 10 | 1.36% | 1 | 6.67% | 
| benoit taine | benoit taine | 6 | 0.82% | 1 | 6.67% | 
| david herrmann | david herrmann | 5 | 0.68% | 1 | 6.67% | 
| russell king | russell king | 5 | 0.68% | 1 | 6.67% | 
| archit taneja | archit taneja | 4 | 0.55% | 1 | 6.67% | 
| robin h. johnson | robin h. johnson | 2 | 0.27% | 1 | 6.67% | 
| daniel vetter | daniel vetter | 2 | 0.27% | 2 | 13.33% | 
| david howells | david howells | 1 | 0.14% | 1 | 6.67% | 
| greg kroah-hartman | greg kroah-hartman |  | 0.00% | 0 | 0.00% | 
 | Total | 733 | 100.00% | 15 | 100.00% | 
  
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.