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  1. /*
  2.  * Copyright © 2006 Keith Packard
  3.  * Copyright © 2007-2008 Dave Airlie
  4.  * Copyright © 2007-2008 Intel Corporation
  5.  *   Jesse Barnes <jesse.barnes@intel.com>
  6.  *
  7.  * Permission is hereby granted, free of charge, to any person obtaining a
  8.  * copy of this software and associated documentation files (the "Software"),
  9.  * to deal in the Software without restriction, including without limitation
  10.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11.  * and/or sell copies of the Software, and to permit persons to whom the
  12.  * Software is furnished to do so, subject to the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice shall be included in
  15.  * all copies or substantial portions of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18.  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21.  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22.  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23.  * OTHER DEALINGS IN THE SOFTWARE.
  24.  */
  25. #ifndef __DRM_CRTC_H__
  26. #define __DRM_CRTC_H__
  27.  
  28. //#include <linux/i2c.h>
  29. //#include <linux/spinlock.h>
  30. //#include <linux/types.h>
  31. //#include <linux/idr.h>
  32.  
  33. //#include <linux/fb.h>
  34.  
  35. struct drm_device;
  36. struct drm_mode_set;
  37. struct drm_framebuffer;
  38.  
  39.  
  40. #define DRM_MODE_OBJECT_CRTC 0xcccccccc
  41. #define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
  42. #define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
  43. #define DRM_MODE_OBJECT_MODE 0xdededede
  44. #define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
  45. #define DRM_MODE_OBJECT_FB 0xfbfbfbfb
  46. #define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
  47.  
  48. struct drm_mode_object {
  49.         uint32_t id;
  50.         uint32_t type;
  51. };
  52.  
  53. /*
  54.  * Note on terminology:  here, for brevity and convenience, we refer to connector
  55.  * control chips as 'CRTCs'.  They can control any type of connector, VGA, LVDS,
  56.  * DVI, etc.  And 'screen' refers to the whole of the visible display, which
  57.  * may span multiple monitors (and therefore multiple CRTC and connector
  58.  * structures).
  59.  */
  60.  
  61. enum drm_mode_status {
  62.     MODE_OK     = 0,    /* Mode OK */
  63.     MODE_HSYNC,         /* hsync out of range */
  64.     MODE_VSYNC,         /* vsync out of range */
  65.     MODE_H_ILLEGAL,     /* mode has illegal horizontal timings */
  66.     MODE_V_ILLEGAL,     /* mode has illegal horizontal timings */
  67.     MODE_BAD_WIDTH,     /* requires an unsupported linepitch */
  68.     MODE_NOMODE,        /* no mode with a maching name */
  69.     MODE_NO_INTERLACE,  /* interlaced mode not supported */
  70.     MODE_NO_DBLESCAN,   /* doublescan mode not supported */
  71.     MODE_NO_VSCAN,      /* multiscan mode not supported */
  72.     MODE_MEM,           /* insufficient video memory */
  73.     MODE_VIRTUAL_X,     /* mode width too large for specified virtual size */
  74.     MODE_VIRTUAL_Y,     /* mode height too large for specified virtual size */
  75.     MODE_MEM_VIRT,      /* insufficient video memory given virtual size */
  76.     MODE_NOCLOCK,       /* no fixed clock available */
  77.     MODE_CLOCK_HIGH,    /* clock required is too high */
  78.     MODE_CLOCK_LOW,     /* clock required is too low */
  79.     MODE_CLOCK_RANGE,   /* clock/mode isn't in a ClockRange */
  80.     MODE_BAD_HVALUE,    /* horizontal timing was out of range */
  81.     MODE_BAD_VVALUE,    /* vertical timing was out of range */
  82.     MODE_BAD_VSCAN,     /* VScan value out of range */
  83.     MODE_HSYNC_NARROW,  /* horizontal sync too narrow */
  84.     MODE_HSYNC_WIDE,    /* horizontal sync too wide */
  85.     MODE_HBLANK_NARROW, /* horizontal blanking too narrow */
  86.     MODE_HBLANK_WIDE,   /* horizontal blanking too wide */
  87.     MODE_VSYNC_NARROW,  /* vertical sync too narrow */
  88.     MODE_VSYNC_WIDE,    /* vertical sync too wide */
  89.     MODE_VBLANK_NARROW, /* vertical blanking too narrow */
  90.     MODE_VBLANK_WIDE,   /* vertical blanking too wide */
  91.     MODE_PANEL,         /* exceeds panel dimensions */
  92.     MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */
  93.     MODE_ONE_WIDTH,     /* only one width is supported */
  94.     MODE_ONE_HEIGHT,    /* only one height is supported */
  95.     MODE_ONE_SIZE,      /* only one resolution is supported */
  96.     MODE_NO_REDUCED,    /* monitor doesn't accept reduced blanking */
  97.     MODE_UNVERIFIED = -3, /* mode needs to reverified */
  98.     MODE_BAD = -2,      /* unspecified reason */
  99.     MODE_ERROR  = -1    /* error condition */
  100. };
  101.  
  102. #define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \
  103.                                     DRM_MODE_TYPE_CRTC_C)
  104.  
  105. #define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \
  106.         .name = nm, .status = 0, .type = (t), .clock = (c), \
  107.         .hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \
  108.         .htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \
  109.         .vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \
  110.         .vscan = (vs), .flags = (f), .vrefresh = 0
  111.  
  112. #define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */
  113.  
  114. struct drm_display_mode {
  115.         /* Header */
  116.         struct list_head head;
  117.         struct drm_mode_object base;
  118.  
  119.         char name[DRM_DISPLAY_MODE_LEN];
  120.  
  121.         int connector_count;
  122.         enum drm_mode_status status;
  123.         int type;
  124.  
  125.         /* Proposed mode values */
  126.         int clock;
  127.         int hdisplay;
  128.         int hsync_start;
  129.         int hsync_end;
  130.         int htotal;
  131.         int hskew;
  132.         int vdisplay;
  133.         int vsync_start;
  134.         int vsync_end;
  135.         int vtotal;
  136.         int vscan;
  137.         unsigned int flags;
  138.  
  139.         /* Addressable image size (may be 0 for projectors, etc.) */
  140.         int width_mm;
  141.         int height_mm;
  142.  
  143.         /* Actual mode we give to hw */
  144.         int clock_index;
  145.         int synth_clock;
  146.         int crtc_hdisplay;
  147.         int crtc_hblank_start;
  148.         int crtc_hblank_end;
  149.         int crtc_hsync_start;
  150.         int crtc_hsync_end;
  151.         int crtc_htotal;
  152.         int crtc_hskew;
  153.         int crtc_vdisplay;
  154.         int crtc_vblank_start;
  155.         int crtc_vblank_end;
  156.         int crtc_vsync_start;
  157.         int crtc_vsync_end;
  158.         int crtc_vtotal;
  159.         int crtc_hadjusted;
  160.         int crtc_vadjusted;
  161.  
  162.         /* Driver private mode info */
  163.         int private_size;
  164.         int *private;
  165.         int private_flags;
  166.  
  167.         int vrefresh;
  168.         float hsync;
  169. };
  170.  
  171. enum drm_connector_status {
  172.         connector_status_connected = 1,
  173.         connector_status_disconnected = 2,
  174.         connector_status_unknown = 3,
  175. };
  176.  
  177. enum subpixel_order {
  178.         SubPixelUnknown = 0,
  179.         SubPixelHorizontalRGB,
  180.         SubPixelHorizontalBGR,
  181.         SubPixelVerticalRGB,
  182.         SubPixelVerticalBGR,
  183.         SubPixelNone,
  184. };
  185.  
  186.  
  187. /*
  188.  * Describes a given display (e.g. CRT or flat panel) and its limitations.
  189.  */
  190. struct drm_display_info {
  191.         char name[DRM_DISPLAY_INFO_LEN];
  192.         /* Input info */
  193.         bool serration_vsync;
  194.         bool sync_on_green;
  195.         bool composite_sync;
  196.         bool separate_syncs;
  197.         bool blank_to_black;
  198.         unsigned char video_level;
  199.         bool digital;
  200.         /* Physical size */
  201.         unsigned int width_mm;
  202.         unsigned int height_mm;
  203.  
  204.         /* Display parameters */
  205.         unsigned char gamma; /* FIXME: storage format */
  206.         bool gtf_supported;
  207.         bool standard_color;
  208.         enum {
  209.                 monochrome = 0,
  210.                 rgb,
  211.                 other,
  212.                 unknown,
  213.         } display_type;
  214.         bool active_off_supported;
  215.         bool suspend_supported;
  216.         bool standby_supported;
  217.  
  218.         /* Color info FIXME: storage format */
  219.         unsigned short redx, redy;
  220.         unsigned short greenx, greeny;
  221.         unsigned short bluex, bluey;
  222.         unsigned short whitex, whitey;
  223.  
  224.         /* Clock limits FIXME: storage format */
  225.         unsigned int min_vfreq, max_vfreq;
  226.         unsigned int min_hfreq, max_hfreq;
  227.         unsigned int pixel_clock;
  228.  
  229.         /* White point indices FIXME: storage format */
  230.         unsigned int wpx1, wpy1;
  231.         unsigned int wpgamma1;
  232.         unsigned int wpx2, wpy2;
  233.         unsigned int wpgamma2;
  234.  
  235.         enum subpixel_order subpixel_order;
  236.  
  237.         char *raw_edid; /* if any */
  238. };
  239.  
  240. struct drm_framebuffer_funcs {
  241.         void (*destroy)(struct drm_framebuffer *framebuffer);
  242.         int (*create_handle)(struct drm_framebuffer *fb,
  243.                              struct drm_file *file_priv,
  244.                              unsigned int *handle);
  245. };
  246.  
  247. struct drm_framebuffer {
  248.         struct drm_device *dev;
  249.         struct list_head head;
  250.         struct drm_mode_object base;
  251.         const struct drm_framebuffer_funcs *funcs;
  252.         unsigned int pitch;
  253.         unsigned int width;
  254.         unsigned int height;
  255.         /* depth can be 15 or 16 */
  256.         unsigned int depth;
  257.         int bits_per_pixel;
  258.         int flags;
  259.         void *fbdev;
  260.         u32 pseudo_palette[17];
  261.         struct list_head filp_head;
  262. };
  263.  
  264. struct drm_property_blob {
  265.         struct drm_mode_object base;
  266.         struct list_head head;
  267.         unsigned int length;
  268.         void *data;
  269. };
  270.  
  271. struct drm_property_enum {
  272.         uint64_t value;
  273.         struct list_head head;
  274.         char name[DRM_PROP_NAME_LEN];
  275. };
  276.  
  277. struct drm_property {
  278.         struct list_head head;
  279.         struct drm_mode_object base;
  280.         uint32_t flags;
  281.         char name[DRM_PROP_NAME_LEN];
  282.         uint32_t num_values;
  283.         uint64_t *values;
  284.  
  285.         struct list_head enum_blob_list;
  286. };
  287.  
  288. struct drm_crtc;
  289. struct drm_connector;
  290. struct drm_encoder;
  291.  
  292. /**
  293.  * drm_crtc_funcs - control CRTCs for a given device
  294.  * @dpms: control display power levels
  295.  * @save: save CRTC state
  296.  * @resore: restore CRTC state
  297.  * @lock: lock the CRTC
  298.  * @unlock: unlock the CRTC
  299.  * @shadow_allocate: allocate shadow pixmap
  300.  * @shadow_create: create shadow pixmap for rotation support
  301.  * @shadow_destroy: free shadow pixmap
  302.  * @mode_fixup: fixup proposed mode
  303.  * @mode_set: set the desired mode on the CRTC
  304.  * @gamma_set: specify color ramp for CRTC
  305.  * @destroy: deinit and free object.
  306.  *
  307.  * The drm_crtc_funcs structure is the central CRTC management structure
  308.  * in the DRM.  Each CRTC controls one or more connectors (note that the name
  309.  * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
  310.  * connectors, not just CRTs).
  311.  *
  312.  * Each driver is responsible for filling out this structure at startup time,
  313.  * in addition to providing other modesetting features, like i2c and DDC
  314.  * bus accessors.
  315.  */
  316. struct drm_crtc_funcs {
  317.         /* Save CRTC state */
  318.         void (*save)(struct drm_crtc *crtc); /* suspend? */
  319.         /* Restore CRTC state */
  320.         void (*restore)(struct drm_crtc *crtc); /* resume? */
  321.  
  322.         /* cursor controls */
  323.         int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
  324.                           uint32_t handle, uint32_t width, uint32_t height);
  325.         int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
  326.  
  327.         /* Set gamma on the CRTC */
  328.     void (*gamma_set)(struct drm_crtc *crtc, u16_t *r, u16_t *g, u16_t *b,
  329.                           uint32_t size);
  330.         /* Object destroy routine */
  331.         void (*destroy)(struct drm_crtc *crtc);
  332.  
  333.         int (*set_config)(struct drm_mode_set *set);
  334. };
  335.  
  336. /**
  337.  * drm_crtc - central CRTC control structure
  338.  * @enabled: is this CRTC enabled?
  339.  * @x: x position on screen
  340.  * @y: y position on screen
  341.  * @desired_mode: new desired mode
  342.  * @desired_x: desired x for desired_mode
  343.  * @desired_y: desired y for desired_mode
  344.  * @funcs: CRTC control functions
  345.  *
  346.  * Each CRTC may have one or more connectors associated with it.  This structure
  347.  * allows the CRTC to be controlled.
  348.  */
  349. struct drm_crtc {
  350.         struct drm_device *dev;
  351.         struct list_head head;
  352.  
  353.         struct drm_mode_object base;
  354.  
  355.         /* framebuffer the connector is currently bound to */
  356.         struct drm_framebuffer *fb;
  357.  
  358.         bool enabled;
  359.  
  360.         struct drm_display_mode mode;
  361.  
  362.         int x, y;
  363.         struct drm_display_mode *desired_mode;
  364.         int desired_x, desired_y;
  365.         const struct drm_crtc_funcs *funcs;
  366.  
  367.         /* CRTC gamma size for reporting to userspace */
  368.         uint32_t gamma_size;
  369.         uint16_t *gamma_store;
  370.  
  371.         /* if you are using the helper */
  372.         void *helper_private;
  373. };
  374.  
  375.  
  376. /**
  377.  * drm_connector_funcs - control connectors on a given device
  378.  * @dpms: set power state (see drm_crtc_funcs above)
  379.  * @save: save connector state
  380.  * @restore: restore connector state
  381.  * @mode_valid: is this mode valid on the given connector?
  382.  * @mode_fixup: try to fixup proposed mode for this connector
  383.  * @mode_set: set this mode
  384.  * @detect: is this connector active?
  385.  * @get_modes: get mode list for this connector
  386.  * @set_property: property for this connector may need update
  387.  * @destroy: make object go away
  388.  *
  389.  * Each CRTC may have one or more connectors attached to it.  The functions
  390.  * below allow the core DRM code to control connectors, enumerate available modes,
  391.  * etc.
  392.  */
  393. struct drm_connector_funcs {
  394.         void (*dpms)(struct drm_connector *connector, int mode);
  395.         void (*save)(struct drm_connector *connector);
  396.         void (*restore)(struct drm_connector *connector);
  397.         enum drm_connector_status (*detect)(struct drm_connector *connector);
  398.         int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
  399.         int (*set_property)(struct drm_connector *connector, struct drm_property *property,
  400.                              uint64_t val);
  401.         void (*destroy)(struct drm_connector *connector);
  402. };
  403.  
  404. struct drm_encoder_funcs {
  405.         void (*destroy)(struct drm_encoder *encoder);
  406. };
  407.  
  408. #define DRM_CONNECTOR_MAX_UMODES 16
  409. #define DRM_CONNECTOR_MAX_PROPERTY 16
  410. #define DRM_CONNECTOR_LEN 32
  411. #define DRM_CONNECTOR_MAX_ENCODER 2
  412.  
  413. /**
  414.  * drm_encoder - central DRM encoder structure
  415.  */
  416. struct drm_encoder {
  417.         struct drm_device *dev;
  418.         struct list_head head;
  419.  
  420.         struct drm_mode_object base;
  421.         int encoder_type;
  422.         uint32_t possible_crtcs;
  423.         uint32_t possible_clones;
  424.  
  425.         struct drm_crtc *crtc;
  426.         const struct drm_encoder_funcs *funcs;
  427.         void *helper_private;
  428. };
  429.  
  430. /**
  431.  * drm_connector - central DRM connector control structure
  432.  * @crtc: CRTC this connector is currently connected to, NULL if none
  433.  * @interlace_allowed: can this connector handle interlaced modes?
  434.  * @doublescan_allowed: can this connector handle doublescan?
  435.  * @available_modes: modes available on this connector (from get_modes() + user)
  436.  * @initial_x: initial x position for this connector
  437.  * @initial_y: initial y position for this connector
  438.  * @status: connector connected?
  439.  * @funcs: connector control functions
  440.  *
  441.  * Each connector may be connected to one or more CRTCs, or may be clonable by
  442.  * another connector if they can share a CRTC.  Each connector also has a specific
  443.  * position in the broader display (referred to as a 'screen' though it could
  444.  * span multiple monitors).
  445.  */
  446. struct drm_connector {
  447.         struct drm_device *dev;
  448. //   struct device kdev;
  449.         struct device_attribute *attr;
  450.         struct list_head head;
  451.  
  452.         struct drm_mode_object base;
  453.  
  454.         int connector_type;
  455.         int connector_type_id;
  456.         bool interlace_allowed;
  457.         bool doublescan_allowed;
  458.         struct list_head modes; /* list of modes on this connector */
  459.  
  460.         int initial_x, initial_y;
  461.         enum drm_connector_status status;
  462.  
  463.         /* these are modes added by probing with DDC or the BIOS */
  464.         struct list_head probed_modes;
  465.  
  466.         struct drm_display_info display_info;
  467.         const struct drm_connector_funcs *funcs;
  468.  
  469.         struct list_head user_modes;
  470.         struct drm_property_blob *edid_blob_ptr;
  471.     u32_t property_ids[DRM_CONNECTOR_MAX_PROPERTY];
  472.         uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
  473.  
  474.         /* requested DPMS state */
  475.         int dpms;
  476.  
  477.         void *helper_private;
  478.  
  479.         uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
  480.         uint32_t force_encoder_id;
  481.         struct drm_encoder *encoder; /* currently active encoder */
  482. };
  483.  
  484. /**
  485.  * struct drm_mode_set
  486.  *
  487.  * Represents a single crtc the connectors that it drives with what mode
  488.  * and from which framebuffer it scans out from.
  489.  *
  490.  * This is used to set modes.
  491.  */
  492. struct drm_mode_set {
  493.         struct list_head head;
  494.  
  495.         struct drm_framebuffer *fb;
  496.         struct drm_crtc *crtc;
  497.         struct drm_display_mode *mode;
  498.  
  499.         uint32_t x;
  500.         uint32_t y;
  501.  
  502.         struct drm_connector **connectors;
  503.         size_t num_connectors;
  504. };
  505.  
  506. /**
  507.  * struct drm_mode_config_funcs - configure CRTCs for a given screen layout
  508.  * @resize: adjust CRTCs as necessary for the proposed layout
  509.  *
  510.  * Currently only a resize hook is available.  DRM will call back into the
  511.  * driver with a new screen width and height.  If the driver can't support
  512.  * the proposed size, it can return false.  Otherwise it should adjust
  513.  * the CRTC<->connector mappings as needed and update its view of the screen.
  514.  */
  515. struct drm_mode_config_funcs {
  516.         struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
  517.         int (*fb_changed)(struct drm_device *dev);
  518. };
  519.  
  520. struct drm_mode_group {
  521.         uint32_t num_crtcs;
  522.         uint32_t num_encoders;
  523.         uint32_t num_connectors;
  524.  
  525.         /* list of object IDs for this group */
  526.         uint32_t *id_list;
  527. };
  528.  
  529. /**
  530.  * drm_mode_config - Mode configuration control structure
  531.  *
  532.  */
  533. struct drm_mode_config {
  534. //   struct mutex mutex; /* protects configuration (mode lists etc.) */
  535. //   struct mutex idr_mutex; /* for IDR management */
  536.     struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
  537.         /* this is limited to one for now */
  538.         int num_fb;
  539.         struct list_head fb_list;
  540.         int num_connector;
  541.         struct list_head connector_list;
  542.         int num_encoder;
  543.         struct list_head encoder_list;
  544.  
  545.         int num_crtc;
  546.         struct list_head crtc_list;
  547.  
  548.         struct list_head property_list;
  549.  
  550.         /* in-kernel framebuffers - hung of filp_head in drm_framebuffer */
  551.         struct list_head fb_kernel_list;
  552.  
  553.         int min_width, min_height;
  554.         int max_width, max_height;
  555.         struct drm_mode_config_funcs *funcs;
  556.         resource_size_t fb_base;
  557.  
  558.         /* pointers to standard properties */
  559.         struct list_head property_blob_list;
  560.         struct drm_property *edid_property;
  561.         struct drm_property *dpms_property;
  562.  
  563.         /* DVI-I properties */
  564.         struct drm_property *dvi_i_subconnector_property;
  565.         struct drm_property *dvi_i_select_subconnector_property;
  566.  
  567.         /* TV properties */
  568.         struct drm_property *tv_subconnector_property;
  569.         struct drm_property *tv_select_subconnector_property;
  570.         struct drm_property *tv_mode_property;
  571.         struct drm_property *tv_left_margin_property;
  572.         struct drm_property *tv_right_margin_property;
  573.         struct drm_property *tv_top_margin_property;
  574.         struct drm_property *tv_bottom_margin_property;
  575.  
  576.         /* Optional properties */
  577.         struct drm_property *scaling_mode_property;
  578.         struct drm_property *dithering_mode_property;
  579. };
  580.  
  581. #define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
  582. #define obj_to_connector(x) container_of(x, struct drm_connector, base)
  583. #define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
  584. #define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
  585. #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
  586. #define obj_to_property(x) container_of(x, struct drm_property, base)
  587. #define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
  588.  
  589. extern void drm_crtc_init(struct drm_device *dev,
  590.                           struct drm_crtc *crtc,
  591.                           const struct drm_crtc_funcs *funcs);
  592. extern void drm_crtc_cleanup(struct drm_crtc *crtc);
  593.  
  594. extern void drm_connector_init(struct drm_device *dev,
  595.                             struct drm_connector *connector,
  596.                             const struct drm_connector_funcs *funcs,
  597.                             int connector_type);
  598.  
  599. extern void drm_connector_cleanup(struct drm_connector *connector);
  600.  
  601. extern void drm_encoder_init(struct drm_device *dev,
  602.                              struct drm_encoder *encoder,
  603.                              const struct drm_encoder_funcs *funcs,
  604.                              int encoder_type);
  605.  
  606. extern void drm_encoder_cleanup(struct drm_encoder *encoder);
  607.  
  608. extern char *drm_get_connector_name(struct drm_connector *connector);
  609. extern char *drm_get_dpms_name(int val);
  610. extern char *drm_get_dvi_i_subconnector_name(int val);
  611. extern char *drm_get_dvi_i_select_name(int val);
  612. extern char *drm_get_tv_subconnector_name(int val);
  613. extern char *drm_get_tv_select_name(int val);
  614.  
  615.  
  616.  
  617. //extern void drm_fb_release(struct drm_file *file_priv);
  618. //extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
  619. //extern struct edid *drm_get_edid(struct drm_connector *connector,
  620. //                struct i2c_adapter *adapter);
  621. //extern int drm_do_probe_ddc_edid(struct i2c_adapter *adapter,
  622. //                unsigned char *buf, int len);
  623. //extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
  624. extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
  625. extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
  626. extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
  627.                                                    struct drm_display_mode *mode);
  628. extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
  629. extern void drm_mode_config_init(struct drm_device *dev);
  630. extern void drm_mode_config_cleanup(struct drm_device *dev);
  631. extern void drm_mode_set_name(struct drm_display_mode *mode);
  632. extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
  633. extern int drm_mode_width(struct drm_display_mode *mode);
  634. extern int drm_mode_height(struct drm_display_mode *mode);
  635.  
  636. /* for us by fb module */
  637. extern int drm_mode_attachmode_crtc(struct drm_device *dev,
  638.                                     struct drm_crtc *crtc,
  639.                                     struct drm_display_mode *mode);
  640. extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
  641.  
  642. extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
  643. extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
  644. //extern void drm_mode_list_concat(struct list_head *head,
  645. //                struct list_head *new);
  646. //extern void drm_mode_validate_size(struct drm_device *dev,
  647. //                  struct list_head *mode_list,
  648. //                  int maxX, int maxY, int maxPitch);
  649. //extern void drm_mode_prune_invalid(struct drm_device *dev,
  650. //                  struct list_head *mode_list, bool verbose);
  651. //extern void drm_mode_sort(struct list_head *mode_list);
  652. extern int drm_mode_vrefresh(struct drm_display_mode *mode);
  653. extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
  654.                                   int adjust_flags);
  655. extern void drm_mode_connector_list_update(struct drm_connector *connector);
  656. //extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
  657. //                       struct edid *edid);
  658. extern int drm_connector_property_set_value(struct drm_connector *connector,
  659.                                          struct drm_property *property,
  660.                                          uint64_t value);
  661. extern int drm_connector_property_get_value(struct drm_connector *connector,
  662.                                          struct drm_property *property,
  663.                                          uint64_t *value);
  664. extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
  665. extern void drm_framebuffer_set_object(struct drm_device *dev,
  666.                                        unsigned long handle);
  667. extern int drm_framebuffer_init(struct drm_device *dev,
  668.                                 struct drm_framebuffer *fb,
  669.                                 const struct drm_framebuffer_funcs *funcs);
  670. extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
  671. extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
  672. extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
  673. extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
  674. extern bool drm_crtc_in_use(struct drm_crtc *crtc);
  675.  
  676. extern int drm_connector_attach_property(struct drm_connector *connector,
  677.                                       struct drm_property *property, uint64_t init_val);
  678. extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
  679.                                                 const char *name, int num_values);
  680. extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
  681. extern int drm_property_add_enum(struct drm_property *property, int index,
  682.                                  uint64_t value, const char *name);
  683. extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
  684. extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
  685.                                      char *formats[]);
  686. extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
  687. extern int drm_mode_create_dithering_property(struct drm_device *dev);
  688. extern char *drm_get_encoder_name(struct drm_encoder *encoder);
  689.  
  690. extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
  691.                                              struct drm_encoder *encoder);
  692. extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
  693.                                            struct drm_encoder *encoder);
  694. extern bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
  695.                                          int gamma_size);
  696. extern void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type);
  697. /* IOCTLs */
  698. extern int drm_mode_getresources(struct drm_device *dev,
  699.                                  void *data, struct drm_file *file_priv);
  700.  
  701. extern int drm_mode_getcrtc(struct drm_device *dev,
  702.                             void *data, struct drm_file *file_priv);
  703. extern int drm_mode_getconnector(struct drm_device *dev,
  704.                               void *data, struct drm_file *file_priv);
  705. extern int drm_mode_setcrtc(struct drm_device *dev,
  706.                             void *data, struct drm_file *file_priv);
  707. extern int drm_mode_cursor_ioctl(struct drm_device *dev,
  708.                                 void *data, struct drm_file *file_priv);
  709. extern int drm_mode_addfb(struct drm_device *dev,
  710.                           void *data, struct drm_file *file_priv);
  711. extern int drm_mode_rmfb(struct drm_device *dev,
  712.                          void *data, struct drm_file *file_priv);
  713. extern int drm_mode_getfb(struct drm_device *dev,
  714.                           void *data, struct drm_file *file_priv);
  715. extern int drm_mode_addmode_ioctl(struct drm_device *dev,
  716.                                   void *data, struct drm_file *file_priv);
  717. extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
  718.                                  void *data, struct drm_file *file_priv);
  719. extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
  720.                                      void *data, struct drm_file *file_priv);
  721. extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
  722.                                      void *data, struct drm_file *file_priv);
  723.  
  724. extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
  725.                                       void *data, struct drm_file *file_priv);
  726. extern int drm_mode_getblob_ioctl(struct drm_device *dev,
  727.                                   void *data, struct drm_file *file_priv);
  728. extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
  729.                                               void *data, struct drm_file *file_priv);
  730. extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
  731.                                   void *data, struct drm_file *file_priv);
  732. extern int drm_mode_replacefb(struct drm_device *dev,
  733.                               void *data, struct drm_file *file_priv);
  734. extern int drm_mode_getencoder(struct drm_device *dev,
  735.                                void *data, struct drm_file *file_priv);
  736. extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
  737.                                     void *data, struct drm_file *file_priv);
  738. extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
  739.                                     void *data, struct drm_file *file_priv);
  740. //extern bool drm_detect_hdmi_monitor(struct edid *edid);
  741.  
  742.  
  743. #endif /* __DRM_CRTC_H__ */
  744.