3 #include <linux/console.h>
6 #include <drm/drm_crtc.h>
7 #include <drm/drm_crtc_helper.h>
8 #include <drm/drm_fb_helper.h>
10 #include <ttm/ttm_bo_driver.h>
11 #include <ttm/ttm_page_alloc.h>
13 /* ---------------------------------------------------------------------- */
15 #define VBE_DISPI_IOPORT_INDEX 0x01CE
16 #define VBE_DISPI_IOPORT_DATA 0x01CF
18 #define VBE_DISPI_INDEX_ID 0x0
19 #define VBE_DISPI_INDEX_XRES 0x1
20 #define VBE_DISPI_INDEX_YRES 0x2
21 #define VBE_DISPI_INDEX_BPP 0x3
22 #define VBE_DISPI_INDEX_ENABLE 0x4
23 #define VBE_DISPI_INDEX_BANK 0x5
24 #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
25 #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
26 #define VBE_DISPI_INDEX_X_OFFSET 0x8
27 #define VBE_DISPI_INDEX_Y_OFFSET 0x9
28 #define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
30 #define VBE_DISPI_ID0 0xB0C0
31 #define VBE_DISPI_ID1 0xB0C1
32 #define VBE_DISPI_ID2 0xB0C2
33 #define VBE_DISPI_ID3 0xB0C3
34 #define VBE_DISPI_ID4 0xB0C4
35 #define VBE_DISPI_ID5 0xB0C5
37 #define VBE_DISPI_DISABLED 0x00
38 #define VBE_DISPI_ENABLED 0x01
39 #define VBE_DISPI_GETCAPS 0x02
40 #define VBE_DISPI_8BIT_DAC 0x20
41 #define VBE_DISPI_LFB_ENABLED 0x40
42 #define VBE_DISPI_NOCLEARMEM 0x80
44 /* ---------------------------------------------------------------------- */
51 struct bochs_framebuffer {
52 struct drm_framebuffer base;
53 struct drm_gem_object *obj;
61 unsigned long fb_base;
62 unsigned long fb_size;
72 struct drm_device *dev;
74 struct drm_encoder encoder;
75 struct drm_connector connector;
76 bool mode_config_initialized;
80 struct drm_global_reference mem_global_ref;
81 struct ttm_bo_global_ref bo_global_ref;
82 struct ttm_bo_device bdev;
88 struct bochs_framebuffer gfb;
89 struct drm_fb_helper helper;
95 #define to_bochs_framebuffer(x) container_of(x, struct bochs_framebuffer, base)
98 struct ttm_buffer_object bo;
99 struct ttm_placement placement;
100 struct ttm_bo_kmap_obj kmap;
101 struct drm_gem_object gem;
106 static inline struct bochs_bo *bochs_bo(struct ttm_buffer_object *bo)
108 return container_of(bo, struct bochs_bo, bo);
111 static inline struct bochs_bo *gem_to_bochs_bo(struct drm_gem_object *gem)
113 return container_of(gem, struct bochs_bo, gem);
116 #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
118 static inline u64 bochs_bo_mmap_offset(struct bochs_bo *bo)
120 return drm_vma_node_offset_addr(&bo->bo.vma_node);
123 /* ---------------------------------------------------------------------- */
126 int bochs_hw_init(struct drm_device *dev, uint32_t flags);
127 void bochs_hw_fini(struct drm_device *dev);
129 void bochs_hw_setmode(struct bochs_device *bochs,
130 struct drm_display_mode *mode);
131 void bochs_hw_setbase(struct bochs_device *bochs,
132 int x, int y, u64 addr);
135 int bochs_mm_init(struct bochs_device *bochs);
136 void bochs_mm_fini(struct bochs_device *bochs);
137 int bochs_mmap(struct file *filp, struct vm_area_struct *vma);
139 int bochs_gem_create(struct drm_device *dev, u32 size, bool iskernel,
140 struct drm_gem_object **obj);
141 int bochs_gem_init_object(struct drm_gem_object *obj);
142 void bochs_gem_free_object(struct drm_gem_object *obj);
143 int bochs_dumb_create(struct drm_file *file, struct drm_device *dev,
144 struct drm_mode_create_dumb *args);
145 int bochs_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev,
146 uint32_t handle, uint64_t *offset);
148 int bochs_framebuffer_init(struct drm_device *dev,
149 struct bochs_framebuffer *gfb,
150 struct drm_mode_fb_cmd2 *mode_cmd,
151 struct drm_gem_object *obj);
152 int bochs_bo_pin(struct bochs_bo *bo, u32 pl_flag, u64 *gpu_addr);
153 int bochs_bo_unpin(struct bochs_bo *bo);
155 extern const struct drm_mode_config_funcs bochs_mode_funcs;
158 int bochs_kms_init(struct bochs_device *bochs);
159 void bochs_kms_fini(struct bochs_device *bochs);
162 int bochs_fbdev_init(struct bochs_device *bochs);
163 void bochs_fbdev_fini(struct bochs_device *bochs);