1 // SPDX-License-Identifier: GPL-2.0-only 2 3 #include <linux/pci.h> 4 5 #include <drm/drm_drv.h> 6 7 #include "mgag200_drv.h" 8 9 /* 10 * DRM device 11 */ 12 13 static const struct mgag200_device_info mgag200_g200ew3_device_info = 14 MGAG200_DEVICE_INFO_INIT(2048, 2048, 0, true, 0, 1, false); 15 16 static resource_size_t mgag200_g200ew3_device_probe_vram(struct mga_device *mdev) 17 { 18 resource_size_t vram_size = resource_size(mdev->vram_res); 19 20 if (vram_size >= 0x1000000) 21 vram_size = vram_size - 0x400000; 22 return mgag200_probe_vram(mdev->vram, vram_size); 23 } 24 25 struct mga_device *mgag200_g200ew3_device_create(struct pci_dev *pdev, 26 const struct drm_driver *drv, 27 enum mga_type type) 28 { 29 struct mga_device *mdev; 30 struct drm_device *dev; 31 resource_size_t vram_available; 32 int ret; 33 34 mdev = devm_drm_dev_alloc(&pdev->dev, drv, struct mga_device, base); 35 if (IS_ERR(mdev)) 36 return mdev; 37 dev = &mdev->base; 38 39 pci_set_drvdata(pdev, dev); 40 41 ret = mgag200_init_pci_options(pdev, 0x41049120, 0x0000b000); 42 if (ret) 43 return ERR_PTR(ret); 44 45 ret = mgag200_device_preinit(mdev); 46 if (ret) 47 return ERR_PTR(ret); 48 49 ret = mgag200_device_init(mdev, type, &mgag200_g200ew3_device_info); 50 if (ret) 51 return ERR_PTR(ret); 52 53 vram_available = mgag200_g200ew3_device_probe_vram(mdev); 54 55 ret = mgag200_modeset_init(mdev, vram_available); 56 if (ret) 57 return ERR_PTR(ret); 58 59 return mdev; 60 } 61