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>
11 #include <drm/drm_gem.h>
13 #include <drm/ttm/ttm_bo_driver.h>
14 #include <drm/ttm/ttm_page_alloc.h>
16 /* ---------------------------------------------------------------------- */
18 #define VBE_DISPI_IOPORT_INDEX 0x01CE
19 #define VBE_DISPI_IOPORT_DATA 0x01CF
21 #define VBE_DISPI_INDEX_ID 0x0
22 #define VBE_DISPI_INDEX_XRES 0x1
23 #define VBE_DISPI_INDEX_YRES 0x2
24 #define VBE_DISPI_INDEX_BPP 0x3
25 #define VBE_DISPI_INDEX_ENABLE 0x4
26 #define VBE_DISPI_INDEX_BANK 0x5
27 #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
28 #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
29 #define VBE_DISPI_INDEX_X_OFFSET 0x8
30 #define VBE_DISPI_INDEX_Y_OFFSET 0x9
31 #define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
33 #define VBE_DISPI_ID0 0xB0C0
34 #define VBE_DISPI_ID1 0xB0C1
35 #define VBE_DISPI_ID2 0xB0C2
36 #define VBE_DISPI_ID3 0xB0C3
37 #define VBE_DISPI_ID4 0xB0C4
38 #define VBE_DISPI_ID5 0xB0C5
40 #define VBE_DISPI_DISABLED 0x00
41 #define VBE_DISPI_ENABLED 0x01
42 #define VBE_DISPI_GETCAPS 0x02
43 #define VBE_DISPI_8BIT_DAC 0x20
44 #define VBE_DISPI_LFB_ENABLED 0x40
45 #define VBE_DISPI_NOCLEARMEM 0x80
47 /* ---------------------------------------------------------------------- */
59 unsigned long fb_base;
60 unsigned long fb_size;
61 unsigned long qext_size;
72 struct drm_device *dev;
74 struct drm_encoder encoder;
75 struct drm_connector connector;
76 bool mode_config_initialized;
80 struct ttm_bo_device bdev;
86 struct ttm_buffer_object bo;
87 struct ttm_placement placement;
88 struct ttm_bo_kmap_obj kmap;
89 struct drm_gem_object gem;
90 struct ttm_place placements[3];
94 static inline struct bochs_bo *bochs_bo(struct ttm_buffer_object *bo)
96 return container_of(bo, struct bochs_bo, bo);
99 static inline struct bochs_bo *gem_to_bochs_bo(struct drm_gem_object *gem)
101 return container_of(gem, struct bochs_bo, gem);
104 #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)
106 static inline u64 bochs_bo_mmap_offset(struct bochs_bo *bo)
108 return drm_vma_node_offset_addr(&bo->bo.vma_node);
111 /* ---------------------------------------------------------------------- */
114 int bochs_hw_init(struct drm_device *dev);
115 void bochs_hw_fini(struct drm_device *dev);
117 void bochs_hw_setmode(struct bochs_device *bochs,
118 struct drm_display_mode *mode);
119 void bochs_hw_setformat(struct bochs_device *bochs,
120 const struct drm_format_info *format);
121 void bochs_hw_setbase(struct bochs_device *bochs,
122 int x, int y, u64 addr);
123 int bochs_hw_load_edid(struct bochs_device *bochs);
126 int bochs_mm_init(struct bochs_device *bochs);
127 void bochs_mm_fini(struct bochs_device *bochs);
128 int bochs_mmap(struct file *filp, struct vm_area_struct *vma);
130 int bochs_gem_create(struct drm_device *dev, u32 size, bool iskernel,
131 struct drm_gem_object **obj);
132 int bochs_gem_init_object(struct drm_gem_object *obj);
133 void bochs_gem_free_object(struct drm_gem_object *obj);
134 int bochs_dumb_create(struct drm_file *file, struct drm_device *dev,
135 struct drm_mode_create_dumb *args);
136 int bochs_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev,
137 uint32_t handle, uint64_t *offset);
139 int bochs_bo_pin(struct bochs_bo *bo, u32 pl_flag);
140 int bochs_bo_unpin(struct bochs_bo *bo);
142 int bochs_gem_prime_pin(struct drm_gem_object *obj);
143 void bochs_gem_prime_unpin(struct drm_gem_object *obj);
144 void *bochs_gem_prime_vmap(struct drm_gem_object *obj);
145 void bochs_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
146 int bochs_gem_prime_mmap(struct drm_gem_object *obj,
147 struct vm_area_struct *vma);
150 int bochs_kms_init(struct bochs_device *bochs);
151 void bochs_kms_fini(struct bochs_device *bochs);
154 extern const struct drm_mode_config_funcs bochs_mode_funcs;