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