projects / mirror_ubuntu-eoan-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 5e0df3a0 RZ |
2 | /* Hisilicon Hibmc SoC drm driver |
| 3 | * | |
| 4 | * Based on the bochs drm driver. | |
| 5 | * | |
| 6 | * Copyright (c) 2016 Huawei Limited. | |
| 7 | * | |
| 8 | * Author: | |
| 9 | * Rongrong Zou <zourongrong@huawei.com> | |
| 10 | * Rongrong Zou <zourongrong@gmail.com> | |
| 11 | * Jianhua Li <lijianhua@huawei.com> | |
| 5e0df3a0 RZ |
12 | */ |
| 13 | ||
| 14 | #ifndef HIBMC_DRM_DRV_H | |
| 15 | #define HIBMC_DRM_DRV_H | |
| 16 | ||
| 17 | #include <drm/drmP.h> | |
| da52605e | 18 | #include <drm/drm_atomic.h> |
| d1667b86 | 19 | #include <drm/drm_fb_helper.h> |
| e4daebc7 | 20 | #include <drm/drm_gem.h> |
| e2f572aa | 21 | #include <drm/drm_gem_vram_helper.h> |
| 83d3af8e | 22 | #include <drm/drm_vram_mm_helper.h> |
| 5e0df3a0 | 23 | |
| d1667b86 RZ |
24 | struct hibmc_framebuffer { |
| 25 | struct drm_framebuffer fb; | |
| 26 | struct drm_gem_object *obj; | |
| 27 | }; | |
| 28 | ||
| 29 | struct hibmc_fbdev { | |
| 2b617b14 | 30 | struct drm_fb_helper helper; /* must be first */ |
| d1667b86 RZ |
31 | struct hibmc_framebuffer *fb; |
| 32 | int size; | |
| 33 | }; | |
| 34 | ||
| 5e0df3a0 RZ |
35 | struct hibmc_drm_private { |
| 36 | /* hw */ | |
| 37 | void __iomem *mmio; | |
| 38 | void __iomem *fb_map; | |
| 39 | unsigned long fb_base; | |
| 40 | unsigned long fb_size; | |
| 1d98b916 | 41 | bool msi_enabled; |
| 5e0df3a0 RZ |
42 | |
| 43 | /* drm */ | |
| 44 | struct drm_device *dev; | |
| da52605e | 45 | bool mode_config_initialized; |
| 5e0df3a0 | 46 | |
| d1667b86 RZ |
47 | /* fbdev */ |
| 48 | struct hibmc_fbdev *fbdev; | |
| e4daebc7 RZ |
49 | }; |
| 50 | ||
| d1667b86 RZ |
51 | #define to_hibmc_framebuffer(x) container_of(x, struct hibmc_framebuffer, fb) |
| 52 | ||
| 5e0df3a0 RZ |
53 | void hibmc_set_power_mode(struct hibmc_drm_private *priv, |
| 54 | unsigned int power_mode); | |
| 55 | void hibmc_set_current_gate(struct hibmc_drm_private *priv, | |
| 56 | unsigned int gate); | |
| 57 | ||
| da52605e | 58 | int hibmc_de_init(struct hibmc_drm_private *priv); |
| 5294967f | 59 | int hibmc_vdac_init(struct hibmc_drm_private *priv); |
| d1667b86 RZ |
60 | int hibmc_fbdev_init(struct hibmc_drm_private *priv); |
| 61 | void hibmc_fbdev_fini(struct hibmc_drm_private *priv); | |
| 62 | ||
| e4daebc7 RZ |
63 | int hibmc_gem_create(struct drm_device *dev, u32 size, bool iskernel, |
| 64 | struct drm_gem_object **obj); | |
| d1667b86 RZ |
65 | struct hibmc_framebuffer * |
| 66 | hibmc_framebuffer_init(struct drm_device *dev, | |
| 67 | const struct drm_mode_fb_cmd2 *mode_cmd, | |
| 68 | struct drm_gem_object *obj); | |
| 69 | ||
| e4daebc7 RZ |
70 | int hibmc_mm_init(struct hibmc_drm_private *hibmc); |
| 71 | void hibmc_mm_fini(struct hibmc_drm_private *hibmc); | |
| e4daebc7 RZ |
72 | int hibmc_dumb_create(struct drm_file *file, struct drm_device *dev, |
| 73 | struct drm_mode_create_dumb *args); | |
| e4daebc7 | 74 | |
| da52605e RZ |
75 | extern const struct drm_mode_config_funcs hibmc_mode_funcs; |
| 76 | ||
| 5e0df3a0 | 77 | #endif |