/**************************************************************************** * Copyright (C) 2003-2006 by XGI Technology, Taiwan. * * * All Rights Reserved. * * * * 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 on 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 (including the * next paragraph) 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 * NON-INFRINGEMENT. IN NO EVENT SHALL XGI AND/OR * ITS SUPPLIERS 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 _XGI_DRV_H_ #define _XGI_DRV_H_ #include "drmP.h" #include "drm.h" #define DRIVER_AUTHOR "Andrea Zhang " #define DRIVER_NAME "xgi" #define DRIVER_DESC "XGI XP5 / XP10 / XG47" #define DRIVER_DATE "20070721" #define DRIVER_MAJOR 0 #define DRIVER_MINOR 9 #define DRIVER_PATCHLEVEL 0 #include "xgi_cmdlist.h" #include "xgi_drm.h" struct xgi_aperture { dma_addr_t base; unsigned int size; }; struct xgi_mem_block { struct list_head list; unsigned long offset; unsigned long size; DRMFILE filp; unsigned int owner; }; struct xgi_mem_heap { struct list_head free_list; struct list_head used_list; struct list_head sort_list; unsigned long max_freesize; bool initialized; }; struct xgi_info { struct drm_device *dev; bool bootstrap_done; /* physical characteristics */ struct xgi_aperture mmio; struct xgi_aperture fb; struct xgi_aperture pcie; struct drm_map *mmio_map; struct drm_map *pcie_map; struct drm_map *fb_map; /* look up table parameters */ struct drm_dma_handle *lut_handle; unsigned int lutPageSize; struct xgi_mem_heap fb_heap; struct xgi_mem_heap pcie_heap; struct semaphore fb_sem; struct semaphore pcie_sem; struct xgi_cmdring_info cmdring; }; enum PcieOwner { PCIE_2D = 0, /* PCIE_3D should not begin with 1, 2D alloc pcie memory will use owner 1. */ PCIE_3D = 11, /*vetex buf */ PCIE_3D_CMDLIST = 12, PCIE_3D_SCRATCHPAD = 13, PCIE_3D_TEXTURE = 14, PCIE_INVALID = 0x7fffffff }; extern struct kmem_cache *xgi_mem_block_cache; extern struct xgi_mem_block *xgi_mem_alloc(struct xgi_mem_heap * heap, unsigned long size, enum PcieOwner owner); extern int xgi_mem_free(struct xgi_mem_heap * heap, unsigned long offset, DRMFILE filp); extern int xgi_mem_heap_init(struct xgi_mem_heap * heap, unsigned int start, unsigned int end); extern void xgi_mem_heap_cleanup(struct xgi_mem_heap * heap); extern int xgi_fb_heap_init(struct xgi_info * info); extern int xgi_fb_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc, DRMFILE filp); extern int xgi_fb_free(struct xgi_info * info, unsigned long offset, DRMFILE filp); extern int xgi_pcie_heap_init(struct xgi_info * info); extern void xgi_pcie_lut_cleanup(struct xgi_info * info); extern int xgi_pcie_alloc(struct xgi_info * info, struct xgi_mem_alloc * alloc, DRMFILE filp); extern int xgi_pcie_free(struct xgi_info * info, unsigned long offset, DRMFILE filp); extern void *xgi_find_pcie_virt(struct xgi_info * info, u32 address); extern void xgi_pcie_free_all(struct xgi_info *, DRMFILE); extern void xgi_fb_free_all(struct xgi_info *, DRMFILE); extern int xgi_fb_alloc_ioctl(DRM_IOCTL_ARGS); extern int xgi_fb_free_ioctl(DRM_IOCTL_ARGS); extern int xgi_pcie_alloc_ioctl(DRM_IOCTL_ARGS); extern int xgi_pcie_free_ioctl(DRM_IOCTL_ARGS); extern int xgi_ge_reset_ioctl(DRM_IOCTL_ARGS); extern int xgi_dump_register_ioctl(DRM_IOCTL_ARGS); extern int xgi_restore_registers_ioctl(DRM_IOCTL_ARGS); extern int xgi_submit_cmdlist_ioctl(DRM_IOCTL_ARGS); extern int xgi_test_rwinkernel_ioctl(DRM_IOCTL_ARGS); extern int xgi_state_change_ioctl(DRM_IOCTL_ARGS); #endif ='#n53'>53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 
/*
 * Copyright © 2006 Keith Packard
 * Copyright © 2007 Intel Corporation
 *   Jesse Barnes <jesse.barnes@intel.com>
 */
#ifndef __DRM_CRTC_H__
#define __DRM_CRTC_H__

#include <linux/i2c.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/idr.h>

#include <linux/fb.h>

struct drm_device;
struct drm_mode_set;

/*
 * Note on terminology:  here, for brevity and convenience, we refer to output
 * control chips as 'CRTCs'.  They can control any type of output, VGA, LVDS,
 * DVI, etc.  And 'screen' refers to the whole of the visible display, which
 * may span multiple monitors (and therefore multiple CRTC and output
 * 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 maching 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_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), .vrefresh = 0

struct drm_display_mode {
	/* Header */
	struct list_head head;
	char name[DRM_DISPLAY_MODE_LEN];
	int mode_id;
	int output_count;
	enum drm_mode_status status;
	int type;

	/* Proposed mode values */
	int clock;
	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;

	/* Actual mode we give to hw */
	int clock_index;
	int synth_clock;
	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;
	int crtc_hadjusted;
	int crtc_vadjusted;

	/* Driver private mode info */
	int private_size;
	int *private;
	int private_flags;

	int vrefresh;
	float hsync;
};

/* Video mode flags */
#define V_PHSYNC	(1<<0)
#define V_NHSYNC	(1<<1)
#define V_PVSYNC	(1<<2)
#define V_NVSYNC	(1<<3)
#define V_INTERLACE	(1<<4)
#define V_DBLSCAN	(1<<5)
#define V_CSYNC		(1<<6)
#define V_PCSYNC	(1<<7)
#define V_NCSYNC	(1<<8)
#define V_HSKEW		(1<<9) /* hskew provided */
#define V_BCAST		(1<<10)
#define V_PIXMUX	(1<<11)
#define V_DBLCLK	(1<<12)
#define V_CLKDIV2	(1<<13)

#define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */

#define DPMSModeOn 0
#define DPMSModeStandby 1
#define DPMSModeSuspend 2
#define DPMSModeOff 3

#define ConnectorUnknown 0
#define ConnectorVGA 1
#define ConnectorDVII 2
#define ConnectorDVID 3
#define ConnectorDVIA 4
#define ConnectorComposite 5
#define ConnectorSVIDEO 6
#define ConnectorLVDS 7
#define ConnectorComponent 8
#define Connector9PinDIN 9
#define ConnectorDisplayPort 10
#define ConnectorHDMIA 11
#define ConnectorHDMIB 12

enum drm_output_status {
	output_status_connected = 1,
	output_status_disconnected = 2,
	output_status_unknown = 3,
};

enum subpixel_order {
	SubPixelUnknown = 0,
	SubPixelHorizontalRGB,
	SubPixelHorizontalBGR,
	SubPixelVerticalRGB,
	SubPixelVerticalBGR,
	SubPixelNone,
};

/*
 * Describes a given display (e.g. CRT or flat panel) and its limitations.
 */
struct drm_display_info {
	char name[DRM_DISPLAY_INFO_LEN];
	/* Input info */
	bool serration_vsync;
	bool sync_on_green;
	bool composite_sync;
	bool separate_syncs;
	bool blank_to_black;
	unsigned char video_level;
	bool digital;
	/* Physical size */
        unsigned int width_mm;
	unsigned int height_mm;

	/* Display parameters */
	unsigned char gamma; /* FIXME: storage format */
	bool gtf_supported;
	bool standard_color;
	enum {
		monochrome = 0,
		rgb,
		other,
		unknown,
	} display_type;
	bool active_off_supported;
	bool suspend_supported;
	bool standby_supported;

	/* Color info FIXME: storage format */
	unsigned short redx, redy;
	unsigned short greenx, greeny;
	unsigned short bluex, bluey;
	unsigned short whitex, whitey;

	/* Clock limits FIXME: storage format */
	unsigned int min_vfreq, max_vfreq;
	unsigned int min_hfreq, max_hfreq;
	unsigned int pixel_clock;

	/* White point indices FIXME: storage format */
	unsigned int wpx1, wpy1;
	unsigned int wpgamma1;
	unsigned int wpx2, wpy2;
	unsigned int wpgamma2;

	enum subpixel_order subpixel_order;

	/* Preferred mode (if any) */
	struct drm_display_mode *preferred_mode;
	char *raw_edid; /* if any */
};

struct drm_framebuffer {
	struct drm_device *dev;
	struct list_head head;
	int id; /* idr assigned */
	unsigned int pitch;
	unsigned int width;
	unsigned int height;
	/* depth can be 15 or 16 */
	unsigned int depth;
	int bits_per_pixel;
	int flags;
	struct drm_buffer_object *bo;
	void *fbdev;
	u32 pseudo_palette[17];
	struct drm_bo_kmap_obj kmap;
	struct list_head filp_head;
};

struct drm_property_blob {
	struct list_head head;
	unsigned int length;
	unsigned int id;
	void *data;
};

struct drm_property_enum {
	uint64_t value;
	struct list_head head;
	char name[DRM_PROP_NAME_LEN];
};

struct drm_property {
	struct list_head head;
	int id; /* idr assigned */
	uint32_t flags;
	char name[DRM_PROP_NAME_LEN];
	uint32_t num_values;
	uint64_t *values;

	struct list_head enum_blob_list;
};

struct drm_crtc;
struct drm_output;
struct drm_encoder;

/**
 * drm_crtc_funcs - control CRTCs for a given device
 * @dpms: control display power levels
 * @save: save CRTC state
 * @resore: restore CRTC state
 * @lock: lock the CRTC
 * @unlock: unlock the CRTC
 * @shadow_allocate: allocate shadow pixmap
 * @shadow_create: create shadow pixmap for rotation support
 * @shadow_destroy: free shadow pixmap
 * @mode_fixup: fixup proposed mode
 * @mode_set: set the desired mode on the CRTC
 * @gamma_set: specify color ramp for CRTC
 * @destroy: deinit and free object.
 *
 * The drm_crtc_funcs structure is the central CRTC management structure
 * in the DRM.  Each CRTC controls one or more outputs (note that the name
 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
 * outputs, not just CRTs).
 *
 * Each driver is responsible for filling out this structure at startup time,
 * in addition to providing other modesetting features, like i2c and DDC
 * bus accessors.
 */
struct drm_crtc_funcs {
	/*
	 * Control power levels on the CRTC.  If the mode passed in is
	 * unsupported, the provider must use the next lowest power level.
	 */
	void (*dpms)(struct drm_crtc *crtc, int mode);

	/* Save CRTC state */
	void (*save)(struct drm_crtc *crtc); /* suspend? */
	/* Restore CRTC state */
	void (*restore)(struct drm_crtc *crtc); /* resume? */

	/* cursor controls */
	int (*cursor_set)(struct drm_crtc *crtc, struct drm_buffer_object *bo,
			  uint32_t width, uint32_t height);
	int (*cursor_move)(struct drm_crtc *crtc, int x, int y);

	/* Set gamma on the CRTC */
	void (*gamma_set)(struct drm_crtc *crtc, u16 r, u16 g, u16 b,
			  int regno);
	/* Object destroy routine */
	void (*destroy)(struct drm_crtc *crtc);

	int (*set_config)(struct drm_mode_set *set);
};

/**
 * drm_crtc - central CRTC control structure
 * @enabled: is this CRTC enabled?
 * @x: x position on screen
 * @y: y position on screen
 * @desired_mode: new desired mode
 * @desired_x: desired x for desired_mode
 * @desired_y: desired y for desired_mode
 * @funcs: CRTC control functions
 *
 * Each CRTC may have one or more outputs associated with it.  This structure
 * allows the CRTC to be controlled.
 */
struct drm_crtc {
	struct drm_device *dev;
	struct list_head head;

	int id; /* idr assigned */

	/* framebuffer the output is currently bound to */
	struct drm_framebuffer *fb;

	bool enabled;

	struct drm_display_mode mode;

	int x, y;
	struct drm_display_mode *desired_mode;
	int desired_x, desired_y;
	const struct drm_crtc_funcs *funcs;

	/* if you are using the helper */
	void *helper_private;
};

/**
 * drm_output_funcs - control outputs on a given device
 * @dpms: set power state (see drm_crtc_funcs above)
 * @save: save output state
 * @restore: restore output state
 * @mode_valid: is this mode valid on the given output?
 * @mode_fixup: try to fixup proposed mode for this output
 * @mode_set: set this mode
 * @detect: is this output active?
 * @get_modes: get mode list for this output
 * @set_property: property for this output may need update
 * @destroy: make object go away
 *
 * Each CRTC may have one or more outputs attached to it.  The functions
 * below allow the core DRM code to control outputs, enumerate available modes,
 * etc.
 */
struct drm_output_funcs {
	void (*dpms)(struct drm_output *output, int mode);
	void (*save)(struct drm_output *output);
	void (*restore)(struct drm_output *output);
	enum drm_output_status (*detect)(struct drm_output *output);
	int (*get_modes)(struct drm_output *output);
	bool (*set_property)(struct drm_output *output, struct drm_property *property,
			     uint64_t val);
	void (*destroy)(struct drm_output *output);
  	int (*mode_valid)(struct drm_output *output,
			  struct drm_display_mode *mode);

};

struct drm_encoder_funcs {
	void (*destroy)(struct drm_encoder *encoder);
};

#define DRM_OUTPUT_MAX_UMODES 16
#define DRM_OUTPUT_MAX_PROPERTY 16
#define DRM_OUTPUT_LEN 32
#define DRM_OUTPUT_MAX_ENCODER 2

/**
 * drm_encoder - central DRM encoder structure 
 */
struct drm_encoder {
	struct drm_device *dev;
	struct list_head head;

	int id;
	int encoder_type;
	uint32_t possible_crtcs;
	uint32_t possible_clones;

	const struct drm_encoder_funcs *funcs;
	void *helper_private;
};

/**
 * drm_output - central DRM output control structure
 * @crtc: CRTC this output is currently connected to, NULL if none
 * @possible_crtcs: bitmap of CRTCS this output could be attached to
 * @possible_clones: bitmap of possible outputs this output could clone
 * @interlace_allowed: can this output handle interlaced modes?
 * @doublescan_allowed: can this output handle doublescan?
 * @available_modes: modes available on this output (from get_modes() + user)
 * @initial_x: initial x position for this output
 * @initial_y: initial y position for this output
 * @status: output connected?
 * @funcs: output control functions
 *
 * Each output may be connected to one or more CRTCs, or may be clonable by
 * another output if they can share a CRTC.  Each output also has a specific
 * position in the broader display (referred to as a 'screen' though it could
 * span multiple monitors).
 */
struct drm_output {
	struct drm_device *dev;
	struct device kdev;
	struct device_attribute *attr;
	struct list_head head;
	struct drm_crtc *crtc;
	int id; /* idr assigned */

	int output_type;
	int output_type_id;
	unsigned long possible_crtcs;
	unsigned long possible_clones;
	bool interlace_allowed;
	bool doublescan_allowed;
	struct list_head modes; /* list of modes on this output */

	int initial_x, initial_y;
	enum drm_output_status status;

	/* these are modes added by probing with DDC or the BIOS */
	struct list_head probed_modes;
	
	struct drm_display_info display_info;
  	const struct drm_output_funcs *funcs;

	struct list_head user_modes;
	struct drm_property_blob *edid_blob_ptr;
	u32 property_ids[DRM_OUTPUT_MAX_PROPERTY];
	uint64_t property_values[DRM_OUTPUT_MAX_PROPERTY];

	void *helper_private;

	u32 encoder_ids[DRM_OUTPUT_MAX_ENCODER];
};

/**
 * struct drm_mode_set
 *
 * Represents a single crtc the outputs that it drives with what mode
 * and from which framebuffer it scans out from.
 *
 * This is used to set modes.
 */
struct drm_mode_set
{
	struct drm_framebuffer *fb;
	struct drm_crtc *crtc;
	struct drm_display_mode *mode;

	uint32_t x;
	uint32_t y;

	struct drm_output **outputs;
	size_t num_outputs;
};

/**
 * struct drm_mode_config_funcs - configure CRTCs for a given screen layout
 * @resize: adjust CRTCs as necessary for the proposed layout
 *
 * Currently only a resize hook is available.  DRM will call back into the
 * driver with a new screen width and height.  If the driver can't support
 * the proposed size, it can return false.  Otherwise it should adjust
 * the CRTC<->output mappings as needed and update its view of the screen.
 */
struct drm_mode_config_funcs {
	bool (*resize_fb)(struct drm_device *dev, struct drm_framebuffer *fb);
};

/**
 * drm_mode_config - Mode configuration control structure
 *
 */
struct drm_mode_config {
	struct mutex mutex; /* protects configuration and IDR */
	struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, output, modes - just makes life easier */
	/* this is limited to one for now */
	int num_fb;
	struct list_head fb_list;
	int num_output;
	struct list_head output_list;
	int num_encoder;
	struct list_head encoder_list;

	int num_crtc;
	struct list_head crtc_list;

	struct list_head property_list;

	int min_width, min_height;
	int max_width, max_height;
	struct drm_mode_config_funcs *funcs;
	unsigned long fb_base;

	/* pointers to standard properties */
	struct list_head property_blob_list;
	struct drm_property *edid_property;
	struct drm_property *dpms_property;
	struct drm_property *connector_type_property;
	struct drm_property *connector_num_property;

	/* TV properties */
	struct drm_property *tv_mode_property;
	struct drm_property *tv_left_margin_property;
	struct drm_property *tv_right_margin_property;
	struct drm_property *tv_top_margin_property;
	struct drm_property *tv_bottom_margin_property;

	/* hotplug */
	uint32_t hotplug_counter;
};


extern void drm_crtc_init(struct drm_device *dev,
			  struct drm_crtc *crtc,
			  const struct drm_crtc_funcs *funcs);
extern void drm_crtc_cleanup(struct drm_crtc *crtc);

void drm_output_init(struct drm_device *dev,
		     struct drm_output *output,
		     const struct drm_output_funcs *funcs,
		     int output_type);

void drm_output_cleanup(struct drm_output *output);

extern char *drm_get_output_name(struct drm_output *output);
extern char *drm_get_dpms_name(int val);
extern void drm_fb_release(struct file *filp);

extern struct edid *drm_get_edid(struct drm_output *output,
				 struct i2c_adapter *adapter);
extern int drm_add_edid_modes(struct drm_output *output, struct edid *edid);
extern void drm_mode_probed_add(struct drm_output *output, struct drm_display_mode *mode);
extern void drm_mode_remove(struct drm_output *output, struct drm_display_mode *mode);
extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
						   struct drm_display_mode *mode);
extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode);
extern void drm_mode_config_init(struct drm_device *dev);
extern void drm_mode_config_cleanup(struct drm_device *dev);
extern void drm_mode_set_name(struct drm_display_mode *mode);
extern bool drm_mode_equal(struct drm_display_mode *mode1, struct drm_display_mode *mode2);
extern void drm_disable_unused_functions(struct drm_device *dev);

/* for us by fb module */
extern int drm_mode_attachmode_crtc(struct drm_device *dev,
				    struct drm_crtc *crtc,
				    struct drm_display_mode *mode);
extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);

extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
extern void drm_mode_list_concat(struct list_head *head,
				 struct list_head *new);
extern void drm_mode_validate_size(struct drm_device *dev,
				   struct list_head *mode_list,
				   int maxX, int maxY, int maxPitch);
extern void drm_mode_prune_invalid(struct drm_device *dev,
				   struct list_head *mode_list, bool verbose);
extern void drm_mode_sort(struct list_head *mode_list);
extern int drm_mode_vrefresh(struct drm_display_mode *mode);
extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
				  int adjust_flags);
extern void drm_mode_output_list_update(struct drm_output *output);
extern int drm_mode_output_update_edid_property(struct drm_output *output,
						struct edid *edid);
extern int drm_output_property_set_value(struct drm_output *output,
					 struct drm_property *property,
					 uint64_t value);
extern int drm_output_property_get_value(struct drm_output *output,
					 struct drm_property *property,
					 uint64_t *value);
extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
extern void drm_framebuffer_set_object(struct drm_device *dev,
				       unsigned long handle);
extern struct drm_framebuffer *drm_framebuffer_create(struct drm_device *dev);
extern void drm_framebuffer_destroy(struct drm_framebuffer *fb);
extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
extern void drm_crtc_probe_output_modes(struct drm_device *dev, int maxX, int maxY);
extern bool drm_crtc_in_use(struct drm_crtc *crtc);

extern int drm_output_attach_property(struct drm_output *output,
				      struct drm_property *property, uint64_t init_val);
extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
						const char *name, int num_values);
extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
extern int drm_property_add_enum(struct drm_property *property, int index, 
				 uint64_t value, const char *name);
extern bool drm_create_tv_properties(struct drm_device *dev, int num_formats,
				     char *formats[]);

/* IOCTLs */
extern int drm_mode_getresources(struct drm_device *dev,
				 void *data, struct drm_file *file_priv);

extern int drm_mode_getcrtc(struct drm_device *dev,
			    void *data, struct drm_file *file_priv);
extern int drm_mode_getoutput(struct drm_device *dev,
			      void *data, struct drm_file *file_priv);
extern int drm_mode_setcrtc(struct drm_device *dev,
			    void *data, struct drm_file *file_priv);
extern int drm_mode_cursor_ioctl(struct drm_device *dev,
				void *data, struct drm_file *file_priv);
extern int drm_mode_addfb(struct drm_device *dev,
			  void *data, struct drm_file *file_priv);
extern int drm_mode_rmfb(struct drm_device *dev,
			 void *data, struct drm_file *file_priv);
extern int drm_mode_getfb(struct drm_device *dev,
			  void *data, struct drm_file *file_priv);
extern int drm_mode_addmode_ioctl(struct drm_device *dev,
				  void *data, struct drm_file *file_priv);
extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
				 void *data, struct drm_file *file_priv);
extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
				     void *data, struct drm_file *file_priv);
extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
				     void *data, struct drm_file *file_priv);

extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
				      void *data, struct drm_file *file_priv);
extern int drm_mode_getblob_ioctl(struct drm_device *dev,
				  void *data, struct drm_file *file_priv);
extern int drm_mode_output_property_set_ioctl(struct drm_device *dev,
					      void *data, struct drm_file *file_priv);
extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
				  void *data, struct drm_file *file_priv);
extern int drm_mode_replacefb(struct drm_device *dev,
			      void *data, struct drm_file *file_priv);
int drm_mode_getencoder(struct drm_device *dev,
			void *data, struct drm_file *file_priv);
#endif /* __DRM_CRTC_H__ */
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-26 08:49:01 +0000