[deliverable/linux.git] / drivers / gpu / drm / bochs / bochs.h

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