238 lines
8.6 KiB
C
238 lines
8.6 KiB
C
/*
|
|
* Copyright © 2006 Keith Packard
|
|
* Copyright © 2007-2008 Dave Airlie
|
|
* Copyright © 2007-2008 Intel Corporation
|
|
* Jesse Barnes <jesse.barnes@intel.com>
|
|
* Copyright © 2014 Intel Corporation
|
|
* Daniel Vetter <daniel.vetter@ffwll.ch>
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
|
|
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*/
|
|
#ifndef __DRM_MODES_H__
|
|
#define __DRM_MODES_H__
|
|
|
|
/*
|
|
* Note on terminology: here, for brevity and convenience, we refer to connector
|
|
* control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS,
|
|
* DVI, etc. And 'screen' refers to the whole of the visible display, which
|
|
* may span multiple monitors (and therefore multiple CRTC and connector
|
|
* structures).
|
|
*/
|
|
|
|
enum drm_mode_status {
|
|
MODE_OK = 0, /* Mode OK */
|
|
MODE_HSYNC, /* hsync out of range */
|
|
MODE_VSYNC, /* vsync out of range */
|
|
MODE_H_ILLEGAL, /* mode has illegal horizontal timings */
|
|
MODE_V_ILLEGAL, /* mode has illegal horizontal timings */
|
|
MODE_BAD_WIDTH, /* requires an unsupported linepitch */
|
|
MODE_NOMODE, /* no mode with a matching name */
|
|
MODE_NO_INTERLACE, /* interlaced mode not supported */
|
|
MODE_NO_DBLESCAN, /* doublescan mode not supported */
|
|
MODE_NO_VSCAN, /* multiscan mode not supported */
|
|
MODE_MEM, /* insufficient video memory */
|
|
MODE_VIRTUAL_X, /* mode width too large for specified virtual size */
|
|
MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */
|
|
MODE_MEM_VIRT, /* insufficient video memory given virtual size */
|
|
MODE_NOCLOCK, /* no fixed clock available */
|
|
MODE_CLOCK_HIGH, /* clock required is too high */
|
|
MODE_CLOCK_LOW, /* clock required is too low */
|
|
MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */
|
|
MODE_BAD_HVALUE, /* horizontal timing was out of range */
|
|
MODE_BAD_VVALUE, /* vertical timing was out of range */
|
|
MODE_BAD_VSCAN, /* VScan value out of range */
|
|
MODE_HSYNC_NARROW, /* horizontal sync too narrow */
|
|
MODE_HSYNC_WIDE, /* horizontal sync too wide */
|
|
MODE_HBLANK_NARROW, /* horizontal blanking too narrow */
|
|
MODE_HBLANK_WIDE, /* horizontal blanking too wide */
|
|
MODE_VSYNC_NARROW, /* vertical sync too narrow */
|
|
MODE_VSYNC_WIDE, /* vertical sync too wide */
|
|
MODE_VBLANK_NARROW, /* vertical blanking too narrow */
|
|
MODE_VBLANK_WIDE, /* vertical blanking too wide */
|
|
MODE_PANEL, /* exceeds panel dimensions */
|
|
MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */
|
|
MODE_ONE_WIDTH, /* only one width is supported */
|
|
MODE_ONE_HEIGHT, /* only one height is supported */
|
|
MODE_ONE_SIZE, /* only one resolution is supported */
|
|
MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */
|
|
MODE_NO_STEREO, /* stereo modes not supported */
|
|
MODE_UNVERIFIED = -3, /* mode needs to reverified */
|
|
MODE_BAD = -2, /* unspecified reason */
|
|
MODE_ERROR = -1 /* error condition */
|
|
};
|
|
|
|
#define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \
|
|
DRM_MODE_TYPE_CRTC_C)
|
|
|
|
#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \
|
|
.name = nm, .status = 0, .type = (t), .clock = (c), \
|
|
.hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \
|
|
.htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \
|
|
.vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \
|
|
.vscan = (vs), .flags = (f), \
|
|
.base.type = DRM_MODE_OBJECT_MODE
|
|
|
|
#define CRTC_INTERLACE_HALVE_V (1 << 0) /* halve V values for interlacing */
|
|
#define CRTC_STEREO_DOUBLE (1 << 1) /* adjust timings for stereo modes */
|
|
|
|
#define DRM_MODE_FLAG_3D_MAX DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF
|
|
|
|
struct drm_display_mode {
|
|
/* Header */
|
|
struct list_head head;
|
|
struct drm_mode_object base;
|
|
|
|
char name[DRM_DISPLAY_MODE_LEN];
|
|
|
|
enum drm_mode_status status;
|
|
unsigned int type;
|
|
|
|
/* Proposed mode values */
|
|
int clock; /* in kHz */
|
|
int hdisplay;
|
|
int hsync_start;
|
|
int hsync_end;
|
|
int htotal;
|
|
int hskew;
|
|
int vdisplay;
|
|
int vsync_start;
|
|
int vsync_end;
|
|
int vtotal;
|
|
int vscan;
|
|
unsigned int flags;
|
|
|
|
/* Addressable image size (may be 0 for projectors, etc.) */
|
|
int width_mm;
|
|
int height_mm;
|
|
|
|
/* Actual mode we give to hw */
|
|
int crtc_clock; /* in KHz */
|
|
int crtc_hdisplay;
|
|
int crtc_hblank_start;
|
|
int crtc_hblank_end;
|
|
int crtc_hsync_start;
|
|
int crtc_hsync_end;
|
|
int crtc_htotal;
|
|
int crtc_hskew;
|
|
int crtc_vdisplay;
|
|
int crtc_vblank_start;
|
|
int crtc_vblank_end;
|
|
int crtc_vsync_start;
|
|
int crtc_vsync_end;
|
|
int crtc_vtotal;
|
|
|
|
/* Driver private mode info */
|
|
int *private;
|
|
int private_flags;
|
|
|
|
int vrefresh; /* in Hz */
|
|
int hsync; /* in kHz */
|
|
enum hdmi_picture_aspect picture_aspect_ratio;
|
|
};
|
|
|
|
/* mode specified on the command line */
|
|
struct drm_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;
|
|
enum drm_connector_force force;
|
|
};
|
|
|
|
/**
|
|
* drm_mode_is_stereo - check for stereo mode flags
|
|
* @mode: drm_display_mode to check
|
|
*
|
|
* Returns:
|
|
* True if the mode is one of the stereo modes (like side-by-side), false if
|
|
* not.
|
|
*/
|
|
static inline bool drm_mode_is_stereo(const struct drm_display_mode *mode)
|
|
{
|
|
return mode->flags & DRM_MODE_FLAG_3D_MASK;
|
|
}
|
|
|
|
struct drm_connector;
|
|
struct drm_cmdline_mode;
|
|
|
|
struct drm_display_mode *drm_mode_create(struct drm_device *dev);
|
|
void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
|
|
void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
|
|
void drm_mode_debug_printmodeline(const struct drm_display_mode *mode);
|
|
|
|
struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
|
|
int hdisplay, int vdisplay, int vrefresh,
|
|
bool reduced, bool interlaced,
|
|
bool margins);
|
|
struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
|
|
int hdisplay, int vdisplay, int vrefresh,
|
|
bool interlaced, int margins);
|
|
struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
|
|
int hdisplay, int vdisplay,
|
|
int vrefresh, bool interlaced,
|
|
int margins,
|
|
int GTF_M, int GTF_2C,
|
|
int GTF_K, int GTF_2J);
|
|
void drm_display_mode_from_videomode(const struct videomode *vm,
|
|
struct drm_display_mode *dmode);
|
|
int of_get_drm_display_mode(struct device_node *np,
|
|
struct drm_display_mode *dmode,
|
|
int index);
|
|
|
|
void drm_mode_set_name(struct drm_display_mode *mode);
|
|
int drm_mode_hsync(const struct drm_display_mode *mode);
|
|
int drm_mode_vrefresh(const struct drm_display_mode *mode);
|
|
|
|
void drm_mode_set_crtcinfo(struct drm_display_mode *p,
|
|
int adjust_flags);
|
|
void drm_mode_copy(struct drm_display_mode *dst,
|
|
const struct drm_display_mode *src);
|
|
struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
|
|
const struct drm_display_mode *mode);
|
|
bool drm_mode_equal(const struct drm_display_mode *mode1,
|
|
const struct drm_display_mode *mode2);
|
|
bool drm_mode_equal_no_clocks_no_stereo(const struct drm_display_mode *mode1,
|
|
const struct drm_display_mode *mode2);
|
|
|
|
/* for use by the crtc helper probe functions */
|
|
void drm_mode_validate_size(struct drm_device *dev,
|
|
struct list_head *mode_list,
|
|
int maxX, int maxY);
|
|
void drm_mode_prune_invalid(struct drm_device *dev,
|
|
struct list_head *mode_list, bool verbose);
|
|
void drm_mode_sort(struct list_head *mode_list);
|
|
void drm_mode_connector_list_update(struct drm_connector *connector);
|
|
|
|
/* parsing cmdline modes */
|
|
bool
|
|
drm_mode_parse_command_line_for_connector(const char *mode_option,
|
|
struct drm_connector *connector,
|
|
struct drm_cmdline_mode *mode);
|
|
struct drm_display_mode *
|
|
drm_mode_create_from_cmdline_mode(struct drm_device *dev,
|
|
struct drm_cmdline_mode *cmd);
|
|
|
|
#endif /* __DRM_MODES_H__ */
|