Commit | Line | Data |
---|---|---|
0a6659bd | 1 | #include <linux/io.h> |
b8ccd70f | 2 | #include <linux/console.h> |
0a6659bd GH |
3 | |
4 | #include <drm/drmP.h> | |
5 | #include <drm/drm_crtc.h> | |
6 | #include <drm/drm_crtc_helper.h> | |
7 | #include <drm/drm_fb_helper.h> | |
8 | ||
d9fc9413 DV |
9 | #include <drm/drm_gem.h> |
10 | ||
0a6659bd GH |
11 | #include <ttm/ttm_bo_driver.h> |
12 | #include <ttm/ttm_page_alloc.h> | |
13 | ||
14 | /* ---------------------------------------------------------------------- */ | |
15 | ||
16 | #define VBE_DISPI_IOPORT_INDEX 0x01CE | |
17 | #define VBE_DISPI_IOPORT_DATA 0x01CF | |
18 | ||
19 | #define VBE_DISPI_INDEX_ID 0x0 | |
20 | #define VBE_DISPI_INDEX_XRES 0x1 | |
21 | #define VBE_DISPI_INDEX_YRES 0x2 | |
22 | #define VBE_DISPI_INDEX_BPP 0x3 | |
23 | #define VBE_DISPI_INDEX_ENABLE 0x4 | |
24 | #define VBE_DISPI_INDEX_BANK 0x5 | |
25 | #define VBE_DISPI_INDEX_VIRT_WIDTH 0x6 | |
26 | #define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7 | |
27 | #define VBE_DISPI_INDEX_X_OFFSET 0x8 | |
28 | #define VBE_DISPI_INDEX_Y_OFFSET 0x9 | |
29 | #define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa | |
30 | ||
31 | #define VBE_DISPI_ID0 0xB0C0 | |
32 | #define VBE_DISPI_ID1 0xB0C1 | |
33 | #define VBE_DISPI_ID2 0xB0C2 | |
34 | #define VBE_DISPI_ID3 0xB0C3 | |
35 | #define VBE_DISPI_ID4 0xB0C4 | |
36 | #define VBE_DISPI_ID5 0xB0C5 | |
37 | ||
38 | #define VBE_DISPI_DISABLED 0x00 | |
39 | #define VBE_DISPI_ENABLED 0x01 | |
40 | #define VBE_DISPI_GETCAPS 0x02 | |
41 | #define VBE_DISPI_8BIT_DAC 0x20 | |
42 | #define VBE_DISPI_LFB_ENABLED 0x40 | |
43 | #define VBE_DISPI_NOCLEARMEM 0x80 | |
44 | ||
45 | /* ---------------------------------------------------------------------- */ | |
46 | ||
47 | enum bochs_types { | |
48 | BOCHS_QEMU_STDVGA, | |
49 | BOCHS_UNKNOWN, | |
50 | }; | |
51 | ||
52 | struct bochs_framebuffer { | |
53 | struct drm_framebuffer base; | |
54 | struct drm_gem_object *obj; | |
55 | }; | |
56 | ||
57 | struct bochs_device { | |
58 | /* hw */ | |
59 | void __iomem *mmio; | |
60 | int ioports; | |
61 | void __iomem *fb_map; | |
62 | unsigned long fb_base; | |
63 | unsigned long fb_size; | |
64 | ||
65 | /* mode */ | |
66 | u16 xres; | |
67 | u16 yres; | |
68 | u16 yres_virtual; | |
69 | u32 stride; | |
70 | u32 bpp; | |
71 | ||
72 | /* drm */ | |
73 | struct drm_device *dev; | |
74 | struct drm_crtc crtc; | |
75 | struct drm_encoder encoder; | |
76 | struct drm_connector connector; | |
77 | bool mode_config_initialized; | |
78 | ||
79 | /* ttm */ | |
80 | struct { | |
81 | struct drm_global_reference mem_global_ref; | |
82 | struct ttm_bo_global_ref bo_global_ref; | |
83 | struct ttm_bo_device bdev; | |
84 | bool initialized; | |
85 | } ttm; | |
86 | ||
87 | /* fbdev */ | |
88 | struct { | |
89 | struct bochs_framebuffer gfb; | |
90 | struct drm_fb_helper helper; | |
91 | int size; | |
0a6659bd GH |
92 | bool initialized; |
93 | } fb; | |
94 | }; | |
95 | ||
96 | #define to_bochs_framebuffer(x) container_of(x, struct bochs_framebuffer, base) | |
97 | ||
98 | struct bochs_bo { | |
99 | struct ttm_buffer_object bo; | |
100 | struct ttm_placement placement; | |
101 | struct ttm_bo_kmap_obj kmap; | |
102 | struct drm_gem_object gem; | |
f1217ed0 | 103 | struct ttm_place placements[3]; |
0a6659bd GH |
104 | int pin_count; |
105 | }; | |
106 | ||
107 | static inline struct bochs_bo *bochs_bo(struct ttm_buffer_object *bo) | |
108 | { | |
109 | return container_of(bo, struct bochs_bo, bo); | |
110 | } | |
111 | ||
112 | static inline struct bochs_bo *gem_to_bochs_bo(struct drm_gem_object *gem) | |
113 | { | |
114 | return container_of(gem, struct bochs_bo, gem); | |
115 | } | |
116 | ||
117 | #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT) | |
118 | ||
119 | static inline u64 bochs_bo_mmap_offset(struct bochs_bo *bo) | |
120 | { | |
121 | return drm_vma_node_offset_addr(&bo->bo.vma_node); | |
122 | } | |
123 | ||
124 | /* ---------------------------------------------------------------------- */ | |
125 | ||
126 | /* bochs_hw.c */ | |
127 | int bochs_hw_init(struct drm_device *dev, uint32_t flags); | |
128 | void bochs_hw_fini(struct drm_device *dev); | |
129 | ||
130 | void bochs_hw_setmode(struct bochs_device *bochs, | |
131 | struct drm_display_mode *mode); | |
132 | void bochs_hw_setbase(struct bochs_device *bochs, | |
133 | int x, int y, u64 addr); | |
134 | ||
135 | /* bochs_mm.c */ | |
136 | int bochs_mm_init(struct bochs_device *bochs); | |
137 | void bochs_mm_fini(struct bochs_device *bochs); | |
138 | int bochs_mmap(struct file *filp, struct vm_area_struct *vma); | |
139 | ||
140 | int bochs_gem_create(struct drm_device *dev, u32 size, bool iskernel, | |
141 | struct drm_gem_object **obj); | |
142 | int bochs_gem_init_object(struct drm_gem_object *obj); | |
143 | void bochs_gem_free_object(struct drm_gem_object *obj); | |
144 | int bochs_dumb_create(struct drm_file *file, struct drm_device *dev, | |
145 | struct drm_mode_create_dumb *args); | |
146 | int bochs_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev, | |
147 | uint32_t handle, uint64_t *offset); | |
148 | ||
149 | int bochs_framebuffer_init(struct drm_device *dev, | |
150 | struct bochs_framebuffer *gfb, | |
1eb83451 | 151 | const struct drm_mode_fb_cmd2 *mode_cmd, |
0a6659bd GH |
152 | struct drm_gem_object *obj); |
153 | int bochs_bo_pin(struct bochs_bo *bo, u32 pl_flag, u64 *gpu_addr); | |
154 | int bochs_bo_unpin(struct bochs_bo *bo); | |
155 | ||
156 | extern const struct drm_mode_config_funcs bochs_mode_funcs; | |
157 | ||
158 | /* bochs_kms.c */ | |
159 | int bochs_kms_init(struct bochs_device *bochs); | |
160 | void bochs_kms_fini(struct bochs_device *bochs); | |
161 | ||
162 | /* bochs_fbdev.c */ | |
163 | int bochs_fbdev_init(struct bochs_device *bochs); | |
164 | void bochs_fbdev_fini(struct bochs_device *bochs); |