diff options
Diffstat (limited to 'drivers/gpu/drm/bochs/bochs_drv.c')
| -rw-r--r-- | drivers/gpu/drm/bochs/bochs_drv.c | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/drivers/gpu/drm/bochs/bochs_drv.c b/drivers/gpu/drm/bochs/bochs_drv.c deleted file mode 100644 index c828cadbabff..000000000000 --- a/drivers/gpu/drm/bochs/bochs_drv.c +++ /dev/null @@ -1,205 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - */ - -#include <linux/module.h> -#include <linux/pci.h> - -#include <drm/drm_drv.h> -#include <drm/drm_aperture.h> -#include <drm/drm_atomic_helper.h> -#include <drm/drm_managed.h> - -#include "bochs.h" - -static int bochs_modeset = -1; -module_param_named(modeset, bochs_modeset, int, 0444); -MODULE_PARM_DESC(modeset, "enable/disable kernel modesetting"); - -/* ---------------------------------------------------------------------- */ -/* drm interface */ - -static void bochs_unload(struct drm_device *dev) -{ - struct bochs_device *bochs = dev->dev_private; - - bochs_mm_fini(bochs); -} - -static int bochs_load(struct drm_device *dev) -{ - struct bochs_device *bochs; - int ret; - - bochs = drmm_kzalloc(dev, sizeof(*bochs), GFP_KERNEL); - if (bochs == NULL) - return -ENOMEM; - dev->dev_private = bochs; - bochs->dev = dev; - - ret = bochs_hw_init(dev); - if (ret) - goto err; - - ret = bochs_mm_init(bochs); - if (ret) - goto err; - - ret = bochs_kms_init(bochs); - if (ret) - goto err; - - return 0; - -err: - bochs_unload(dev); - return ret; -} - -DEFINE_DRM_GEM_FOPS(bochs_fops); - -static const struct drm_driver bochs_driver = { - .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC, - .fops = &bochs_fops, - .name = "bochs-drm", - .desc = "bochs dispi vga interface (qemu stdvga)", - .date = "20130925", - .major = 1, - .minor = 0, - DRM_GEM_VRAM_DRIVER, - .release = bochs_unload, -}; - -/* ---------------------------------------------------------------------- */ -/* pm interface */ - -#ifdef CONFIG_PM_SLEEP -static int bochs_pm_suspend(struct device *dev) -{ - struct drm_device *drm_dev = dev_get_drvdata(dev); - - return drm_mode_config_helper_suspend(drm_dev); -} - -static int bochs_pm_resume(struct device *dev) -{ - struct drm_device *drm_dev = dev_get_drvdata(dev); - - return drm_mode_config_helper_resume(drm_dev); -} -#endif - -static const struct dev_pm_ops bochs_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(bochs_pm_suspend, - bochs_pm_resume) -}; - -/* ---------------------------------------------------------------------- */ -/* pci interface */ - -static int bochs_pci_probe(struct pci_dev *pdev, - const struct pci_device_id *ent) -{ - struct drm_device *dev; - unsigned long fbsize; - int ret; - - fbsize = pci_resource_len(pdev, 0); - if (fbsize < 4 * 1024 * 1024) { - DRM_ERROR("less than 4 MB video memory, ignoring device\n"); - return -ENOMEM; - } - - ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, "bochsdrmfb"); - if (ret) - return ret; - - dev = drm_dev_alloc(&bochs_driver, &pdev->dev); - if (IS_ERR(dev)) - return PTR_ERR(dev); - - ret = pci_enable_device(pdev); - if (ret) - goto err_free_dev; - - pci_set_drvdata(pdev, dev); - - ret = bochs_load(dev); - if (ret) - goto err_free_dev; - - ret = drm_dev_register(dev, 0); - if (ret) - goto err_unload; - - drm_fbdev_generic_setup(dev, 32); - return ret; - -err_unload: - bochs_unload(dev); -err_free_dev: - drm_dev_put(dev); - return ret; -} - -static void bochs_pci_remove(struct pci_dev *pdev) -{ - struct drm_device *dev = pci_get_drvdata(pdev); - - drm_dev_unplug(dev); - drm_atomic_helper_shutdown(dev); - bochs_hw_fini(dev); - drm_dev_put(dev); -} - -static const struct pci_device_id bochs_pci_tbl[] = { - { - .vendor = 0x1234, - .device = 0x1111, - .subvendor = PCI_SUBVENDOR_ID_REDHAT_QUMRANET, - .subdevice = PCI_SUBDEVICE_ID_QEMU, - .driver_data = BOCHS_QEMU_STDVGA, - }, - { - .vendor = 0x1234, - .device = 0x1111, - .subvendor = PCI_ANY_ID, - .subdevice = PCI_ANY_ID, - .driver_data = BOCHS_UNKNOWN, - }, - { /* end of list */ } -}; - -static struct pci_driver bochs_pci_driver = { - .name = "bochs-drm", - .id_table = bochs_pci_tbl, - .probe = bochs_pci_probe, - .remove = bochs_pci_remove, - .driver.pm = &bochs_pm_ops, -}; - -/* ---------------------------------------------------------------------- */ -/* module init/exit */ - -static int __init bochs_init(void) -{ - if (vgacon_text_force() && bochs_modeset == -1) - return -EINVAL; - - if (bochs_modeset == 0) - return -EINVAL; - - return pci_register_driver(&bochs_pci_driver); -} - -static void __exit bochs_exit(void) -{ - pci_unregister_driver(&bochs_pci_driver); -} - -module_init(bochs_init); -module_exit(bochs_exit); - -MODULE_DEVICE_TABLE(pci, bochs_pci_tbl); -MODULE_AUTHOR("Gerd Hoffmann <kraxel@redhat.com>"); -MODULE_LICENSE("GPL"); |