[deliverable/linux.git] / 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_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);
}

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

#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);
}

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

/* 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);
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>
d9fc9413 DV	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);