185397f6bSThomas Zimmermann // SPDX-License-Identifier: GPL-2.0-only 285397f6bSThomas Zimmermann 385397f6bSThomas Zimmermann #include <linux/pci.h> 485397f6bSThomas Zimmermann 585397f6bSThomas Zimmermann #include <drm/drm_drv.h> 685397f6bSThomas Zimmermann 785397f6bSThomas Zimmermann #include "mgag200_drv.h" 885397f6bSThomas Zimmermann 9*1ee181feSThomas Zimmermann void mgag200_g200eh_init_registers(struct mga_device *mdev) 10*1ee181feSThomas Zimmermann { 11*1ee181feSThomas Zimmermann static const u8 dacvalue[] = { 12*1ee181feSThomas Zimmermann MGAG200_DAC_DEFAULT(0x00, 0xc9, 13*1ee181feSThomas Zimmermann MGA1064_MISC_CTL_VGA8 | MGA1064_MISC_CTL_DAC_RAM_CS, 14*1ee181feSThomas Zimmermann 0x00, 0x00, 0x00) 15*1ee181feSThomas Zimmermann }; 16*1ee181feSThomas Zimmermann 17*1ee181feSThomas Zimmermann size_t i; 18*1ee181feSThomas Zimmermann 19*1ee181feSThomas Zimmermann for (i = 0; i < ARRAY_SIZE(dacvalue); i++) { 20*1ee181feSThomas Zimmermann if ((i <= 0x17) || 21*1ee181feSThomas Zimmermann (i == 0x1b) || 22*1ee181feSThomas Zimmermann (i == 0x1c) || 23*1ee181feSThomas Zimmermann ((i >= 0x1f) && (i <= 0x29)) || 24*1ee181feSThomas Zimmermann ((i >= 0x30) && (i <= 0x37)) || 25*1ee181feSThomas Zimmermann ((i >= 0x44) && (i <= 0x4e))) 26*1ee181feSThomas Zimmermann continue; 27*1ee181feSThomas Zimmermann WREG_DAC(i, dacvalue[i]); 28*1ee181feSThomas Zimmermann } 29*1ee181feSThomas Zimmermann 30*1ee181feSThomas Zimmermann mgag200_init_registers(mdev); 31*1ee181feSThomas Zimmermann } 32*1ee181feSThomas Zimmermann 3385397f6bSThomas Zimmermann /* 3485397f6bSThomas Zimmermann * DRM device 3585397f6bSThomas Zimmermann */ 3685397f6bSThomas Zimmermann 37b9a577a4SThomas Zimmermann static const struct mgag200_device_info mgag200_g200eh_device_info = 38da1efdb2SThomas Zimmermann MGAG200_DEVICE_INFO_INIT(2048, 2048, 37500, false, 1, 0, false); 39b9a577a4SThomas Zimmermann 4085397f6bSThomas Zimmermann struct mga_device *mgag200_g200eh_device_create(struct pci_dev *pdev, const struct drm_driver *drv, 4121e74bf9SThomas Zimmermann enum mga_type type) 4285397f6bSThomas Zimmermann { 4385397f6bSThomas Zimmermann struct mga_device *mdev; 4485397f6bSThomas Zimmermann struct drm_device *dev; 45d45e32c9SThomas Zimmermann resource_size_t vram_available; 4685397f6bSThomas Zimmermann int ret; 4785397f6bSThomas Zimmermann 4885397f6bSThomas Zimmermann mdev = devm_drm_dev_alloc(&pdev->dev, drv, struct mga_device, base); 4985397f6bSThomas Zimmermann if (IS_ERR(mdev)) 5085397f6bSThomas Zimmermann return mdev; 5185397f6bSThomas Zimmermann dev = &mdev->base; 5285397f6bSThomas Zimmermann 5385397f6bSThomas Zimmermann pci_set_drvdata(pdev, dev); 5485397f6bSThomas Zimmermann 55ce19021fSThomas Zimmermann ret = mgag200_init_pci_options(pdev, 0x00000120, 0x0000b000); 56ce19021fSThomas Zimmermann if (ret) 57ce19021fSThomas Zimmermann return ERR_PTR(ret); 58ce19021fSThomas Zimmermann 59b62d943eSThomas Zimmermann ret = mgag200_device_preinit(mdev); 6085397f6bSThomas Zimmermann if (ret) 6185397f6bSThomas Zimmermann return ERR_PTR(ret); 6285397f6bSThomas Zimmermann 6321e74bf9SThomas Zimmermann ret = mgag200_device_init(mdev, type, &mgag200_g200eh_device_info); 6485397f6bSThomas Zimmermann if (ret) 6585397f6bSThomas Zimmermann return ERR_PTR(ret); 6685397f6bSThomas Zimmermann 67*1ee181feSThomas Zimmermann mgag200_g200eh_init_registers(mdev); 68*1ee181feSThomas Zimmermann 69d45e32c9SThomas Zimmermann vram_available = mgag200_device_probe_vram(mdev); 70d45e32c9SThomas Zimmermann 71d45e32c9SThomas Zimmermann ret = mgag200_modeset_init(mdev, vram_available); 7285397f6bSThomas Zimmermann if (ret) 7385397f6bSThomas Zimmermann return ERR_PTR(ret); 7485397f6bSThomas Zimmermann 7585397f6bSThomas Zimmermann return mdev; 7685397f6bSThomas Zimmermann } 77