1 // SPDX-License-Identifier: MIT 2 /* 3 * Copyright 2012 Red Hat Inc. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sub license, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 19 * USE OR OTHER DEALINGS IN THE SOFTWARE. 20 * 21 * The above copyright notice and this permission notice (including the 22 * next paragraph) shall be included in all copies or substantial portions 23 * of the Software. 24 */ 25 /* 26 * Authors: Dave Airlie <airlied@redhat.com> 27 */ 28 29 #include <linux/pci.h> 30 31 #include <drm/drm_drv.h> 32 33 #include "ast_drv.h" 34 35 static void ast_2200_detect_widescreen(struct ast_device *ast) 36 { 37 if (__ast_2100_detect_wsxga_p(ast)) { 38 ast->support_wsxga_p = true; 39 if (ast->chip == AST2200) 40 ast->support_fullhd = true; 41 } 42 if (__ast_2100_detect_wuxga(ast)) 43 ast->support_wuxga = true; 44 } 45 46 struct drm_device *ast_2200_device_create(struct pci_dev *pdev, 47 const struct drm_driver *drv, 48 enum ast_chip chip, 49 enum ast_config_mode config_mode, 50 void __iomem *regs, 51 void __iomem *ioregs, 52 bool need_post) 53 { 54 struct drm_device *dev; 55 struct ast_device *ast; 56 int ret; 57 58 ast = devm_drm_dev_alloc(&pdev->dev, drv, struct ast_device, base); 59 if (IS_ERR(ast)) 60 return ERR_CAST(ast); 61 dev = &ast->base; 62 63 ast_device_init(ast, chip, config_mode, regs, ioregs); 64 65 ast_2000_detect_tx_chip(ast, need_post); 66 67 if (need_post) { 68 ret = ast_post_gpu(ast); 69 if (ret) 70 return ERR_PTR(ret); 71 } 72 73 ret = ast_mm_init(ast); 74 if (ret) 75 return ERR_PTR(ret); 76 77 ast_2200_detect_widescreen(ast); 78 79 ret = ast_mode_config_init(ast); 80 if (ret) 81 return ERR_PTR(ret); 82 83 return dev; 84 } 85 86