Release 4.11 drivers/gpu/drm/bochs/bochs.h

#include <linux/io.h>
#include <linux/console.h>

#include <drm/drmP.h>
#include <drm/drm_crtc.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_encoder.h>
#include <drm/drm_fb_helper.h>

#include <drm/drm_gem.h>

#include <ttm/ttm_bo_driver.h>
#include <ttm/ttm_page_alloc.h>

/* ---------------------------------------------------------------------- */


#define VBE_DISPI_IOPORT_INDEX           0x01CE

#define VBE_DISPI_IOPORT_DATA            0x01CF


#define VBE_DISPI_INDEX_ID               0x0

#define VBE_DISPI_INDEX_XRES             0x1

#define VBE_DISPI_INDEX_YRES             0x2

#define VBE_DISPI_INDEX_BPP              0x3

#define VBE_DISPI_INDEX_ENABLE           0x4

#define VBE_DISPI_INDEX_BANK             0x5

#define VBE_DISPI_INDEX_VIRT_WIDTH       0x6

#define VBE_DISPI_INDEX_VIRT_HEIGHT      0x7

#define VBE_DISPI_INDEX_X_OFFSET         0x8

#define VBE_DISPI_INDEX_Y_OFFSET         0x9

#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa


#define VBE_DISPI_ID0                    0xB0C0

#define VBE_DISPI_ID1                    0xB0C1

#define VBE_DISPI_ID2                    0xB0C2

#define VBE_DISPI_ID3                    0xB0C3

#define VBE_DISPI_ID4                    0xB0C4

#define VBE_DISPI_ID5                    0xB0C5


#define VBE_DISPI_DISABLED               0x00

#define VBE_DISPI_ENABLED                0x01

#define VBE_DISPI_GETCAPS                0x02

#define VBE_DISPI_8BIT_DAC               0x20

#define VBE_DISPI_LFB_ENABLED            0x40

#define VBE_DISPI_NOCLEARMEM             0x80

/* ---------------------------------------------------------------------- */


enum bochs_types {
	
BOCHS_QEMU_STDVGA,
	
BOCHS_UNKNOWN,
};


struct bochs_framebuffer {
	
struct drm_framebuffer base;
	
struct drm_gem_object *obj;
};


struct bochs_device {
	/* hw */
	
void __iomem   *mmio;
	
int            ioports;
	
void __iomem   *fb_map;
	
unsigned long  fb_base;
	
unsigned long  fb_size;

	/* mode */
	
u16 xres;
	
u16 yres;
	
u16 yres_virtual;
	
u32 stride;
	
u32 bpp;

	/* drm */
	
struct drm_device  *dev;
	
struct drm_crtc crtc;
	
struct drm_encoder encoder;
	
struct drm_connector connector;
	
bool mode_config_initialized;

	/* ttm */
	struct {
		
struct drm_global_reference mem_global_ref;
		
struct ttm_bo_global_ref bo_global_ref;
		
struct ttm_bo_device bdev;
		
bool initialized;
	} 
ttm;

	/* fbdev */
	struct {
		
struct bochs_framebuffer gfb;
		
struct drm_fb_helper helper;
		
int size;
		
bool initialized;
	} 
fb;
};


#define to_bochs_framebuffer(x) container_of(x, struct bochs_framebuffer, base)


struct bochs_bo {
	
struct ttm_buffer_object bo;
	
struct ttm_placement placement;
	
struct ttm_bo_kmap_obj kmap;
	
struct drm_gem_object gem;
	
struct ttm_place placements[3];
	
int pin_count;
};



static inline struct bochs_bo *bochs_bo(struct ttm_buffer_object *bo)
{
	return container_of(bo, struct bochs_bo, bo);
}

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static inline struct bochs_bo *gem_to_bochs_bo(struct drm_gem_object *gem)
{
	return container_of(gem, struct bochs_bo, gem);
}

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#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT)



static inline u64 bochs_bo_mmap_offset(struct bochs_bo *bo)
{
	return drm_vma_node_offset_addr(&bo->bo.vma_node);
}

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/* ---------------------------------------------------------------------- */

/* bochs_hw.c */
int bochs_hw_init(struct drm_device *dev, uint32_t flags);
void bochs_hw_fini(struct drm_device *dev);

void bochs_hw_setmode(struct bochs_device *bochs,
		      struct drm_display_mode *mode);
void bochs_hw_setbase(struct bochs_device *bochs,
		      int x, int y, u64 addr);

/* bochs_mm.c */
int bochs_mm_init(struct bochs_device *bochs);
void bochs_mm_fini(struct bochs_device *bochs);
int bochs_mmap(struct file *filp, struct vm_area_struct *vma);

int bochs_gem_create(struct drm_device *dev, u32 size, bool iskernel,
		     struct drm_gem_object **obj);
int bochs_gem_init_object(struct drm_gem_object *obj);
void bochs_gem_free_object(struct drm_gem_object *obj);
int bochs_dumb_create(struct drm_file *file, struct drm_device *dev,
		      struct drm_mode_create_dumb *args);
int bochs_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev,
			   uint32_t handle, uint64_t *offset);

int bochs_framebuffer_init(struct drm_device *dev,
			   struct bochs_framebuffer *gfb,
			   const struct drm_mode_fb_cmd2 *mode_cmd,
			   struct drm_gem_object *obj);
int bochs_bo_pin(struct bochs_bo *bo, u32 pl_flag, u64 *gpu_addr);
int bochs_bo_unpin(struct bochs_bo *bo);

extern const struct drm_mode_config_funcs bochs_mode_funcs;

/* bochs_kms.c */
int bochs_kms_init(struct bochs_device *bochs);
void bochs_kms_fini(struct bochs_device *bochs);

/* bochs_fbdev.c */
int bochs_fbdev_init(struct bochs_device *bochs);
void bochs_fbdev_fini(struct bochs_device *bochs);
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Directory: drivers/gpu/drm/bochs

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