1 /* SPDX-License-Identifier: GPL-2.0 */
3 #include <linux/console.h>
6 #include <drm/drm_crtc.h>
7 #include <drm/drm_crtc_helper.h>
8 #include <drm/drm_encoder.h>
9 #include <drm/drm_fb_helper.h>
10 #include <drm/drm_simple_kms_helper.h>
12 #include <drm/drm_gem.h>
14 #include <drm/ttm/ttm_bo_driver.h>
15 #include <drm/ttm/ttm_page_alloc.h>
17 /* ---------------------------------------------------------------------- */
19 #define VBE_DISPI_IOPORT_INDEX 0x01CE
20 #define VBE_DISPI_IOPORT_DATA 0x01CF
22 #define VBE_DISPI_INDEX_ID 0x0
23 #define VBE_DISPI_INDEX_XRES 0x1
24 #define VBE_DISPI_INDEX_YRES 0x2
25 #define VBE_DISPI_INDEX_BPP 0x3
26 #define VBE_DISPI_INDEX_ENABLE 0x4
27 #define VBE_DISPI_INDEX_BANK 0x5
28 #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
29 #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
30 #define VBE_DISPI_INDEX_X_OFFSET 0x8
31 #define VBE_DISPI_INDEX_Y_OFFSET 0x9
32 #define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
34 #define VBE_DISPI_ID0 0xB0C0
35 #define VBE_DISPI_ID1 0xB0C1
36 #define VBE_DISPI_ID2 0xB0C2
37 #define VBE_DISPI_ID3 0xB0C3
38 #define VBE_DISPI_ID4 0xB0C4
39 #define VBE_DISPI_ID5 0xB0C5
41 #define VBE_DISPI_DISABLED 0x00
42 #define VBE_DISPI_ENABLED 0x01
43 #define VBE_DISPI_GETCAPS 0x02
44 #define VBE_DISPI_8BIT_DAC 0x20
45 #define VBE_DISPI_LFB_ENABLED 0x40
46 #define VBE_DISPI_NOCLEARMEM 0x80
48 /* ---------------------------------------------------------------------- */
60 unsigned long fb_base;
61 unsigned long fb_size;
62 unsigned long qext_size;
73 struct drm_device *dev;
74 struct drm_simple_display_pipe pipe;
75 struct drm_connector connector;
79 struct ttm_bo_device bdev;
85 struct ttm_buffer_object bo;
86 struct ttm_placement placement;
87 struct ttm_bo_kmap_obj kmap;
88 struct drm_gem_object gem;
89 struct ttm_place placements[3];
93 static inline struct bochs_bo *bochs_bo(struct ttm_buffer_object *bo)
95 return container_of(bo, struct bochs_bo, bo);
98 static inline struct bochs_bo *gem_to_bochs_bo(struct drm_gem_object *gem)
100 return container_of(gem, struct bochs_bo, gem);
103 #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
105 static inline u64 bochs_bo_mmap_offset(struct bochs_bo *bo)
107 return drm_vma_node_offset_addr(&bo->bo.vma_node);
110 /* ---------------------------------------------------------------------- */
113 int bochs_hw_init(struct drm_device *dev);
114 void bochs_hw_fini(struct drm_device *dev);
116 void bochs_hw_setmode(struct bochs_device *bochs,
117 struct drm_display_mode *mode);
118 void bochs_hw_setformat(struct bochs_device *bochs,
119 const struct drm_format_info *format);
120 void bochs_hw_setbase(struct bochs_device *bochs,
121 int x, int y, u64 addr);
122 int bochs_hw_load_edid(struct bochs_device *bochs);
125 int bochs_mm_init(struct bochs_device *bochs);
126 void bochs_mm_fini(struct bochs_device *bochs);
127 int bochs_mmap(struct file *filp, struct vm_area_struct *vma);
129 int bochs_gem_create(struct drm_device *dev, u32 size, bool iskernel,
130 struct drm_gem_object **obj);
131 int bochs_gem_init_object(struct drm_gem_object *obj);
132 void bochs_gem_free_object(struct drm_gem_object *obj);
133 int bochs_dumb_create(struct drm_file *file, struct drm_device *dev,
134 struct drm_mode_create_dumb *args);
135 int bochs_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev,
136 uint32_t handle, uint64_t *offset);
138 int bochs_bo_pin(struct bochs_bo *bo, u32 pl_flag);
139 int bochs_bo_unpin(struct bochs_bo *bo);
141 int bochs_gem_prime_pin(struct drm_gem_object *obj);
142 void bochs_gem_prime_unpin(struct drm_gem_object *obj);
143 void *bochs_gem_prime_vmap(struct drm_gem_object *obj);
144 void bochs_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
145 int bochs_gem_prime_mmap(struct drm_gem_object *obj,
146 struct vm_area_struct *vma);
149 int bochs_kms_init(struct bochs_device *bochs);
150 void bochs_kms_fini(struct bochs_device *bochs);
153 extern const struct drm_mode_config_funcs bochs_mode_funcs;