Gerd Hoffmann | 0a6659b | 2013-12-17 18:04:46 +0100 | [diff] [blame] | 1 | #include <linux/io.h> |
Gerd Hoffmann | b8ccd70 | 2014-04-14 11:34:49 +0200 | [diff] [blame] | 2 | #include <linux/console.h> |
Gerd Hoffmann | 0a6659b | 2013-12-17 18:04:46 +0100 | [diff] [blame] | 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 | |
Daniel Vetter | d9fc941 | 2014-09-23 15:46:53 +0200 | [diff] [blame] | 9 | #include <drm/drm_gem.h> |
| 10 | |
Gerd Hoffmann | 0a6659b | 2013-12-17 18:04:46 +0100 | [diff] [blame] | 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; |
Gerd Hoffmann | 0a6659b | 2013-12-17 18:04:46 +0100 | [diff] [blame] | 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; |
Christian König | f1217ed | 2014-08-27 13:16:04 +0200 | [diff] [blame] | 103 | struct ttm_place placements[3]; |
Gerd Hoffmann | 0a6659b | 2013-12-17 18:04:46 +0100 | [diff] [blame] | 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, |
Ville Syrjälä | 1eb8345 | 2015-11-11 19:11:29 +0200 | [diff] [blame] | 151 | const struct drm_mode_fb_cmd2 *mode_cmd, |
Gerd Hoffmann | 0a6659b | 2013-12-17 18:04:46 +0100 | [diff] [blame] | 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); |