[net-next-2.6.git] / include / drm / drm_fb_helper.h

/*
 * Copyright (c) 2006-2009 Red Hat Inc.
 * Copyright (c) 2006-2008 Intel Corporation
 * Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
 *
 * DRM framebuffer helper functions
 *
 * Permission to use, copy, modify, distribute, and sell this software and its
 * documentation for any purpose is hereby granted without fee, provided that
 * the above copyright notice appear in all copies and that both that copyright
 * notice and this permission notice appear in supporting documentation, and
 * that the name of the copyright holders not be used in advertising or
 * publicity pertaining to distribution of the software without specific,
 * written prior permission.  The copyright holders make no representations
 * about the suitability of this software for any purpose.  It is provided "as
 * is" without express or implied warranty.
 *
 * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
 * OF THIS SOFTWARE.
 *
 * Authors:
 *      Dave Airlie <airlied@linux.ie>
 *      Jesse Barnes <jesse.barnes@intel.com>
 */
#ifndef DRM_FB_HELPER_H
#define DRM_FB_HELPER_H

struct drm_fb_helper_crtc {
	uint32_t crtc_id;
	struct drm_mode_set mode_set;
};


struct drm_fb_helper_funcs {
	void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green,
			  u16 blue, int regno);
	void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green,
			  u16 *blue, int regno);
};

/* mode specified on the command line */
struct drm_fb_helper_cmdline_mode {
	bool specified;
	bool refresh_specified;
	bool bpp_specified;
	int xres, yres;
	int bpp;
	int refresh;
	bool rb;
	bool interlace;
	bool cvt;
	bool margins;
};

struct drm_fb_helper_surface_size {
	u32 fb_width;
	u32 fb_height;
	u32 surface_width;
	u32 surface_height;
	u32 surface_bpp;
	u32 surface_depth;
};

struct drm_fb_helper_connector {
	struct drm_fb_helper_cmdline_mode cmdline_mode;
};

struct drm_fb_helper {
	struct drm_framebuffer *fb;
	struct drm_device *dev;
	struct drm_display_mode *mode;
	int crtc_count;
	struct drm_fb_helper_crtc *crtc_info;
	struct drm_fb_helper_funcs *funcs;
	int conn_limit;
	struct fb_info *fbdev;
	u32 pseudo_palette[17];
	struct list_head kernel_fb_list;
};

int drm_fb_helper_single_fb_probe(struct drm_device *dev,
				  int preferred_bpp,
				  int (*fb_create)(struct drm_device *dev,
						   struct drm_fb_helper_surface_size *sizes,
						   struct drm_fb_helper **fb_ptr));
int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count,
				  int max_conn);
void drm_fb_helper_free(struct drm_fb_helper *helper);
int drm_fb_helper_blank(int blank, struct fb_info *info);
int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
			      struct fb_info *info);
int drm_fb_helper_set_par(struct fb_info *info);
int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
			    struct fb_info *info);
int drm_fb_helper_setcolreg(unsigned regno,
			    unsigned red,
			    unsigned green,
			    unsigned blue,
			    unsigned transp,
			    struct fb_info *info);

void drm_fb_helper_restore(void);
void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helper,
			    uint32_t fb_width, uint32_t fb_height);
void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
			    uint32_t depth);

int drm_fb_helper_add_connector(struct drm_connector *connector);
int drm_fb_helper_parse_command_line(struct drm_device *dev);
int drm_fb_helper_setcmap(struct fb_cmap *cmap, struct fb_info *info);

bool drm_helper_fb_hotplug_event(struct drm_device *dev);
bool drm_helper_initial_config(struct drm_device *dev);
#endif
Commit	Line	Data
785b93ef DA	1	/*
	2	* Copyright (c) 2006-2009 Red Hat Inc.
	3	* Copyright (c) 2006-2008 Intel Corporation
	4	* Copyright (c) 2007 Dave Airlie <airlied@linux.ie>
	5	*
	6	* DRM framebuffer helper functions
	7	*
	8	* Permission to use, copy, modify, distribute, and sell this software and its
	9	* documentation for any purpose is hereby granted without fee, provided that
	10	* the above copyright notice appear in all copies and that both that copyright
	11	* notice and this permission notice appear in supporting documentation, and
	12	* that the name of the copyright holders not be used in advertising or
	13	* publicity pertaining to distribution of the software without specific,
	14	* written prior permission. The copyright holders make no representations
	15	* about the suitability of this software for any purpose. It is provided "as
	16	* is" without express or implied warranty.
	17	*
	18	* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
	19	* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
	20	* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
	21	* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
	22	* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
	23	* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
	24	* OF THIS SOFTWARE.
	25	*
	26	* Authors:
	27	* Dave Airlie <airlied@linux.ie>
	28	* Jesse Barnes <jesse.barnes@intel.com>
	29	*/
	30	#ifndef DRM_FB_HELPER_H
	31	#define DRM_FB_HELPER_H
	32
	33	struct drm_fb_helper_crtc {
	34	uint32_t crtc_id;
	35	struct drm_mode_set mode_set;
	36	};
	37
d50ba256	38
785b93ef DA	39	struct drm_fb_helper_funcs {
	40	void (gamma_set)(struct drm_crtc crtc, u16 red, u16 green,
	41	u16 blue, int regno);
b8c00ac5 DA	42	void (gamma_get)(struct drm_crtc crtc, u16 red, u16 green,
b8c00ac5 DA	43	u16 *blue, int regno);
785b93ef DA	44	};
785b93ef DA	45
d50ba256 DA	46	/* mode specified on the command line */
	47	struct drm_fb_helper_cmdline_mode {
	48	bool specified;
	49	bool refresh_specified;
	50	bool bpp_specified;
	51	int xres, yres;
	52	int bpp;
	53	int refresh;
	54	bool rb;
	55	bool interlace;
	56	bool cvt;
	57	bool margins;
	58	};
	59
38651674 DA	60	struct drm_fb_helper_surface_size {
	61	u32 fb_width;
	62	u32 fb_height;
	63	u32 surface_width;
	64	u32 surface_height;
	65	u32 surface_bpp;
	66	u32 surface_depth;
	67	};
	68
d50ba256 DA	69	struct drm_fb_helper_connector {
	70	struct drm_fb_helper_cmdline_mode cmdline_mode;
	71	};
	72
785b93ef DA	73	struct drm_fb_helper {
	74	struct drm_framebuffer *fb;
	75	struct drm_device *dev;
	76	struct drm_display_mode *mode;
	77	int crtc_count;
	78	struct drm_fb_helper_crtc *crtc_info;
	79	struct drm_fb_helper_funcs *funcs;
	80	int conn_limit;
38651674 DA	81	struct fb_info *fbdev;
38651674 DA	82	u32 pseudo_palette[17];
785b93ef DA	83	struct list_head kernel_fb_list;
	84	};
	85
	86	int drm_fb_helper_single_fb_probe(struct drm_device *dev,
b8c00ac5	87	int preferred_bpp,
785b93ef	88	int (fb_create)(struct drm_device dev,
38651674 DA	89	struct drm_fb_helper_surface_size *sizes,
38651674 DA	90	struct drm_fb_helper **fb_ptr));
785b93ef DA	91	int drm_fb_helper_init_crtc_count(struct drm_fb_helper *helper, int crtc_count,
	92	int max_conn);
	93	void drm_fb_helper_free(struct drm_fb_helper *helper);
	94	int drm_fb_helper_blank(int blank, struct fb_info *info);
	95	int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
	96	struct fb_info *info);
	97	int drm_fb_helper_set_par(struct fb_info *info);
	98	int drm_fb_helper_check_var(struct fb_var_screeninfo *var,
	99	struct fb_info *info);
	100	int drm_fb_helper_setcolreg(unsigned regno,
	101	unsigned red,
	102	unsigned green,
	103	unsigned blue,
	104	unsigned transp,
	105	struct fb_info *info);
	106
	107	void drm_fb_helper_restore(void);
38651674	108	void drm_fb_helper_fill_var(struct fb_info info, struct drm_fb_helper fb_helper,
785b93ef	109	uint32_t fb_width, uint32_t fb_height);
068143d3 DA	110	void drm_fb_helper_fill_fix(struct fb_info *info, uint32_t pitch,
068143d3 DA	111	uint32_t depth);
785b93ef	112
d50ba256 DA	113	int drm_fb_helper_add_connector(struct drm_connector *connector);
d50ba256 DA	114	int drm_fb_helper_parse_command_line(struct drm_device *dev);
068143d3	115	int drm_fb_helper_setcmap(struct fb_cmap cmap, struct fb_info info);
d50ba256	116
38651674 DA	117	bool drm_helper_fb_hotplug_event(struct drm_device *dev);
38651674 DA	118	bool drm_helper_initial_config(struct drm_device *dev);
785b93ef	119	#endif