931 lines
34 KiB
C
931 lines
34 KiB
C
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/**
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* \file xf86drm.h
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* OS-independent header for DRM user-level library interface.
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*
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* \author Rickard E. (Rik) Faith <faith@valinux.com>
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*/
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/*
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* Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef _XF86DRM_H_
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#define _XF86DRM_H_
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#include <stdarg.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <drm.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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#ifndef DRM_MAX_MINOR
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#define DRM_MAX_MINOR 16
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#endif
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#if defined(__linux__)
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#define DRM_IOCTL_NR(n) _IOC_NR(n)
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#define DRM_IOC_VOID _IOC_NONE
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#define DRM_IOC_READ _IOC_READ
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#define DRM_IOC_WRITE _IOC_WRITE
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#define DRM_IOC_READWRITE _IOC_READ|_IOC_WRITE
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#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
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#else /* One of the *BSDs */
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#include <sys/ioccom.h>
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#define DRM_IOCTL_NR(n) ((n) & 0xff)
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#define DRM_IOC_VOID IOC_VOID
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#define DRM_IOC_READ IOC_OUT
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#define DRM_IOC_WRITE IOC_IN
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#define DRM_IOC_READWRITE IOC_INOUT
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#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
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#endif
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/* Defaults, if nothing set in xf86config */
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#define DRM_DEV_UID 0
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#define DRM_DEV_GID 0
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/* Default /dev/dri directory permissions 0755 */
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#define DRM_DEV_DIRMODE \
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(S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP|S_IROTH|S_IXOTH)
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#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
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#ifdef __OpenBSD__
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#define DRM_DIR_NAME "/dev"
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#define DRM_PRIMARY_MINOR_NAME "drm"
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#define DRM_CONTROL_MINOR_NAME "drmC"
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#define DRM_RENDER_MINOR_NAME "drmR"
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#else
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#define DRM_DIR_NAME "/dev/dri"
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#define DRM_PRIMARY_MINOR_NAME "card"
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#define DRM_CONTROL_MINOR_NAME "controlD"
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#define DRM_RENDER_MINOR_NAME "renderD"
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#define DRM_PROC_NAME "/proc/dri/" /* For backward Linux compatibility */
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#endif
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#define DRM_DEV_NAME "%s/" DRM_PRIMARY_MINOR_NAME "%d"
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#define DRM_CONTROL_DEV_NAME "%s/" DRM_CONTROL_MINOR_NAME "%d"
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#define DRM_RENDER_DEV_NAME "%s/" DRM_RENDER_MINOR_NAME "%d"
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#define DRM_NODE_NAME_MAX \
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(sizeof(DRM_DIR_NAME) + 1 /* slash */ \
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+ MAX3(sizeof(DRM_PRIMARY_MINOR_NAME), \
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sizeof(DRM_CONTROL_MINOR_NAME), \
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sizeof(DRM_RENDER_MINOR_NAME)) \
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+ sizeof("144") /* highest possible node number */ \
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+ 1) /* NULL-terminator */
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#define DRM_ERR_NO_DEVICE (-1001)
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#define DRM_ERR_NO_ACCESS (-1002)
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#define DRM_ERR_NOT_ROOT (-1003)
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#define DRM_ERR_INVALID (-1004)
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#define DRM_ERR_NO_FD (-1005)
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#define DRM_AGP_NO_HANDLE 0
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typedef unsigned int drmSize, *drmSizePtr; /**< For mapped regions */
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typedef void *drmAddress, **drmAddressPtr; /**< For mapped regions */
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#if (__GNUC__ >= 3)
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#define DRM_PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a)))
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#else
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#define DRM_PRINTFLIKE(f, a)
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#endif
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typedef struct _drmServerInfo {
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int (*debug_print)(const char *format, va_list ap) DRM_PRINTFLIKE(1,0);
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int (*load_module)(const char *name);
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void (*get_perms)(gid_t *, mode_t *);
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} drmServerInfo, *drmServerInfoPtr;
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typedef struct drmHashEntry {
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int fd;
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void (*f)(int, void *, void *);
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void *tagTable;
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} drmHashEntry;
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extern int drmIoctl(int fd, unsigned long request, void *arg);
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extern void *drmGetHashTable(void);
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extern drmHashEntry *drmGetEntry(int fd);
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/**
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* Driver version information.
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*
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* \sa drmGetVersion() and drmSetVersion().
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*/
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typedef struct _drmVersion {
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int version_major; /**< Major version */
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int version_minor; /**< Minor version */
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int version_patchlevel; /**< Patch level */
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int name_len; /**< Length of name buffer */
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char *name; /**< Name of driver */
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int date_len; /**< Length of date buffer */
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char *date; /**< User-space buffer to hold date */
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int desc_len; /**< Length of desc buffer */
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char *desc; /**< User-space buffer to hold desc */
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} drmVersion, *drmVersionPtr;
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typedef struct _drmStats {
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unsigned long count; /**< Number of data */
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struct {
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unsigned long value; /**< Value from kernel */
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const char *long_format; /**< Suggested format for long_name */
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const char *long_name; /**< Long name for value */
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const char *rate_format; /**< Suggested format for rate_name */
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const char *rate_name; /**< Short name for value per second */
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int isvalue; /**< True if value (vs. counter) */
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const char *mult_names; /**< Multiplier names (e.g., "KGM") */
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int mult; /**< Multiplier value (e.g., 1024) */
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int verbose; /**< Suggest only in verbose output */
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} data[15];
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} drmStatsT;
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/* All of these enums *MUST* match with the
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kernel implementation -- so do *NOT*
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change them! (The drmlib implementation
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will just copy the flags instead of
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translating them.) */
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typedef enum {
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DRM_FRAME_BUFFER = 0, /**< WC, no caching, no core dump */
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DRM_REGISTERS = 1, /**< no caching, no core dump */
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DRM_SHM = 2, /**< shared, cached */
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DRM_AGP = 3, /**< AGP/GART */
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DRM_SCATTER_GATHER = 4, /**< PCI scatter/gather */
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DRM_CONSISTENT = 5 /**< PCI consistent */
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} drmMapType;
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typedef enum {
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DRM_RESTRICTED = 0x0001, /**< Cannot be mapped to client-virtual */
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DRM_READ_ONLY = 0x0002, /**< Read-only in client-virtual */
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DRM_LOCKED = 0x0004, /**< Physical pages locked */
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DRM_KERNEL = 0x0008, /**< Kernel requires access */
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DRM_WRITE_COMBINING = 0x0010, /**< Use write-combining, if available */
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DRM_CONTAINS_LOCK = 0x0020, /**< SHM page that contains lock */
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DRM_REMOVABLE = 0x0040 /**< Removable mapping */
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} drmMapFlags;
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/**
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* \warning These values *MUST* match drm.h
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*/
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typedef enum {
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/** \name Flags for DMA buffer dispatch */
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/*@{*/
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DRM_DMA_BLOCK = 0x01, /**<
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* Block until buffer dispatched.
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*
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* \note the buffer may not yet have been
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* processed by the hardware -- getting a
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* hardware lock with the hardware quiescent
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* will ensure that the buffer has been
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* processed.
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*/
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DRM_DMA_WHILE_LOCKED = 0x02, /**< Dispatch while lock held */
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DRM_DMA_PRIORITY = 0x04, /**< High priority dispatch */
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/*@}*/
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/** \name Flags for DMA buffer request */
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/*@{*/
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DRM_DMA_WAIT = 0x10, /**< Wait for free buffers */
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DRM_DMA_SMALLER_OK = 0x20, /**< Smaller-than-requested buffers OK */
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DRM_DMA_LARGER_OK = 0x40 /**< Larger-than-requested buffers OK */
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/*@}*/
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} drmDMAFlags;
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typedef enum {
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DRM_PAGE_ALIGN = 0x01,
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DRM_AGP_BUFFER = 0x02,
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DRM_SG_BUFFER = 0x04,
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DRM_FB_BUFFER = 0x08,
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DRM_PCI_BUFFER_RO = 0x10
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} drmBufDescFlags;
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typedef enum {
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DRM_LOCK_READY = 0x01, /**< Wait until hardware is ready for DMA */
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DRM_LOCK_QUIESCENT = 0x02, /**< Wait until hardware quiescent */
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DRM_LOCK_FLUSH = 0x04, /**< Flush this context's DMA queue first */
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DRM_LOCK_FLUSH_ALL = 0x08, /**< Flush all DMA queues first */
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/* These *HALT* flags aren't supported yet
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-- they will be used to support the
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full-screen DGA-like mode. */
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DRM_HALT_ALL_QUEUES = 0x10, /**< Halt all current and future queues */
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DRM_HALT_CUR_QUEUES = 0x20 /**< Halt all current queues */
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} drmLockFlags;
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typedef enum {
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DRM_CONTEXT_PRESERVED = 0x01, /**< This context is preserved and
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never swapped. */
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DRM_CONTEXT_2DONLY = 0x02 /**< This context is for 2D rendering only. */
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} drm_context_tFlags, *drm_context_tFlagsPtr;
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typedef struct _drmBufDesc {
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int count; /**< Number of buffers of this size */
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int size; /**< Size in bytes */
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int low_mark; /**< Low water mark */
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int high_mark; /**< High water mark */
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} drmBufDesc, *drmBufDescPtr;
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typedef struct _drmBufInfo {
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int count; /**< Number of buffers described in list */
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drmBufDescPtr list; /**< List of buffer descriptions */
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} drmBufInfo, *drmBufInfoPtr;
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typedef struct _drmBuf {
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int idx; /**< Index into the master buffer list */
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int total; /**< Buffer size */
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int used; /**< Amount of buffer in use (for DMA) */
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drmAddress address; /**< Address */
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} drmBuf, *drmBufPtr;
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/**
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* Buffer mapping information.
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*
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* Used by drmMapBufs() and drmUnmapBufs() to store information about the
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* mapped buffers.
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*/
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typedef struct _drmBufMap {
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int count; /**< Number of buffers mapped */
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drmBufPtr list; /**< Buffers */
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} drmBufMap, *drmBufMapPtr;
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typedef struct _drmLock {
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volatile unsigned int lock;
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char padding[60];
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/* This is big enough for most current (and future?) architectures:
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DEC Alpha: 32 bytes
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Intel Merced: ?
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Intel P5/PPro/PII/PIII: 32 bytes
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Intel StrongARM: 32 bytes
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Intel i386/i486: 16 bytes
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MIPS: 32 bytes (?)
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Motorola 68k: 16 bytes
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Motorola PowerPC: 32 bytes
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Sun SPARC: 32 bytes
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*/
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} drmLock, *drmLockPtr;
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/**
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* Indices here refer to the offset into
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* list in drmBufInfo
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*/
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typedef struct _drmDMAReq {
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drm_context_t context; /**< Context handle */
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int send_count; /**< Number of buffers to send */
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int *send_list; /**< List of handles to buffers */
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int *send_sizes; /**< Lengths of data to send, in bytes */
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drmDMAFlags flags; /**< Flags */
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int request_count; /**< Number of buffers requested */
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int request_size; /**< Desired size of buffers requested */
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int *request_list; /**< Buffer information */
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int *request_sizes; /**< Minimum acceptable sizes */
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int granted_count; /**< Number of buffers granted at this size */
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} drmDMAReq, *drmDMAReqPtr;
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typedef struct _drmRegion {
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drm_handle_t handle;
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unsigned int offset;
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drmSize size;
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drmAddress map;
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} drmRegion, *drmRegionPtr;
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typedef struct _drmTextureRegion {
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unsigned char next;
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unsigned char prev;
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unsigned char in_use;
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unsigned char padding; /**< Explicitly pad this out */
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unsigned int age;
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} drmTextureRegion, *drmTextureRegionPtr;
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typedef enum {
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DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */
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DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */
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/* bits 1-6 are reserved for high crtcs */
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DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e,
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DRM_VBLANK_EVENT = 0x4000000, /**< Send event instead of blocking */
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DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */
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DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */
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DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */
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DRM_VBLANK_SIGNAL = 0x40000000 /* Send signal instead of blocking */
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||
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} drmVBlankSeqType;
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||
|
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#define DRM_VBLANK_HIGH_CRTC_SHIFT 1
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typedef struct _drmVBlankReq {
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drmVBlankSeqType type;
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unsigned int sequence;
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||
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unsigned long signal;
|
||
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} drmVBlankReq, *drmVBlankReqPtr;
|
||
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|
||
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typedef struct _drmVBlankReply {
|
||
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drmVBlankSeqType type;
|
||
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unsigned int sequence;
|
||
|
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long tval_sec;
|
||
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long tval_usec;
|
||
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} drmVBlankReply, *drmVBlankReplyPtr;
|
||
|
|
|
||
|
|
typedef union _drmVBlank {
|
||
|
|
drmVBlankReq request;
|
||
|
|
drmVBlankReply reply;
|
||
|
|
} drmVBlank, *drmVBlankPtr;
|
||
|
|
|
||
|
|
typedef struct _drmSetVersion {
|
||
|
|
int drm_di_major;
|
||
|
|
int drm_di_minor;
|
||
|
|
int drm_dd_major;
|
||
|
|
int drm_dd_minor;
|
||
|
|
} drmSetVersion, *drmSetVersionPtr;
|
||
|
|
|
||
|
|
#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
|
||
|
|
|
||
|
|
#define DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */
|
||
|
|
#define DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */
|
||
|
|
|
||
|
|
#if defined(__GNUC__) && (__GNUC__ >= 2)
|
||
|
|
# if defined(__i386) || defined(__AMD64__) || defined(__x86_64__) || defined(__amd64__)
|
||
|
|
/* Reflect changes here to drmP.h */
|
||
|
|
#define DRM_CAS(lock,old,new,__ret) \
|
||
|
|
do { \
|
||
|
|
int __dummy; /* Can't mark eax as clobbered */ \
|
||
|
|
__asm__ __volatile__( \
|
||
|
|
"lock ; cmpxchg %4,%1\n\t" \
|
||
|
|
"setnz %0" \
|
||
|
|
: "=d" (__ret), \
|
||
|
|
"=m" (__drm_dummy_lock(lock)), \
|
||
|
|
"=a" (__dummy) \
|
||
|
|
: "2" (old), \
|
||
|
|
"r" (new)); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#elif defined(__alpha__)
|
||
|
|
|
||
|
|
#define DRM_CAS(lock, old, new, ret) \
|
||
|
|
do { \
|
||
|
|
int tmp, old32; \
|
||
|
|
__asm__ __volatile__( \
|
||
|
|
" addl $31, %5, %3\n" \
|
||
|
|
"1: ldl_l %0, %2\n" \
|
||
|
|
" cmpeq %0, %3, %1\n" \
|
||
|
|
" beq %1, 2f\n" \
|
||
|
|
" mov %4, %0\n" \
|
||
|
|
" stl_c %0, %2\n" \
|
||
|
|
" beq %0, 3f\n" \
|
||
|
|
" mb\n" \
|
||
|
|
"2: cmpeq %1, 0, %1\n" \
|
||
|
|
".subsection 2\n" \
|
||
|
|
"3: br 1b\n" \
|
||
|
|
".previous" \
|
||
|
|
: "=&r"(tmp), "=&r"(ret), \
|
||
|
|
"=m"(__drm_dummy_lock(lock)), \
|
||
|
|
"=&r"(old32) \
|
||
|
|
: "r"(new), "r"(old) \
|
||
|
|
: "memory"); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#elif defined(__sparc__)
|
||
|
|
|
||
|
|
#define DRM_CAS(lock,old,new,__ret) \
|
||
|
|
do { register unsigned int __old __asm("o0"); \
|
||
|
|
register unsigned int __new __asm("o1"); \
|
||
|
|
register volatile unsigned int *__lock __asm("o2"); \
|
||
|
|
__old = old; \
|
||
|
|
__new = new; \
|
||
|
|
__lock = (volatile unsigned int *)lock; \
|
||
|
|
__asm__ __volatile__( \
|
||
|
|
/*"cas [%2], %3, %0"*/ \
|
||
|
|
".word 0xd3e29008\n\t" \
|
||
|
|
/*"membar #StoreStore | #StoreLoad"*/ \
|
||
|
|
".word 0x8143e00a" \
|
||
|
|
: "=&r" (__new) \
|
||
|
|
: "0" (__new), \
|
||
|
|
"r" (__lock), \
|
||
|
|
"r" (__old) \
|
||
|
|
: "memory"); \
|
||
|
|
__ret = (__new != __old); \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
#elif defined(__ia64__)
|
||
|
|
|
||
|
|
#ifdef __INTEL_COMPILER
|
||
|
|
/* this currently generates bad code (missing stop bits)... */
|
||
|
|
#include <ia64intrin.h>
|
||
|
|
|
||
|
|
#define DRM_CAS(lock,old,new,__ret) \
|
||
|
|
do { \
|
||
|
|
unsigned long __result, __old = (old) & 0xffffffff; \
|
||
|
|
__mf(); \
|
||
|
|
__result = _InterlockedCompareExchange_acq(&__drm_dummy_lock(lock), (new), __old);\
|
||
|
|
__ret = (__result) != (__old); \
|
||
|
|
/* __ret = (__sync_val_compare_and_swap(&__drm_dummy_lock(lock), \
|
||
|
|
(old), (new)) \
|
||
|
|
!= (old)); */\
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#else
|
||
|
|
#define DRM_CAS(lock,old,new,__ret) \
|
||
|
|
do { \
|
||
|
|
unsigned int __result, __old = (old); \
|
||
|
|
__asm__ __volatile__( \
|
||
|
|
"mf\n" \
|
||
|
|
"mov ar.ccv=%2\n" \
|
||
|
|
";;\n" \
|
||
|
|
"cmpxchg4.acq %0=%1,%3,ar.ccv" \
|
||
|
|
: "=r" (__result), "=m" (__drm_dummy_lock(lock)) \
|
||
|
|
: "r" ((unsigned long)__old), "r" (new) \
|
||
|
|
: "memory"); \
|
||
|
|
__ret = (__result) != (__old); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#elif defined(__powerpc__)
|
||
|
|
|
||
|
|
#define DRM_CAS(lock,old,new,__ret) \
|
||
|
|
do { \
|
||
|
|
__asm__ __volatile__( \
|
||
|
|
"sync;" \
|
||
|
|
"0: lwarx %0,0,%1;" \
|
||
|
|
" xor. %0,%3,%0;" \
|
||
|
|
" bne 1f;" \
|
||
|
|
" stwcx. %2,0,%1;" \
|
||
|
|
" bne- 0b;" \
|
||
|
|
"1: " \
|
||
|
|
"sync;" \
|
||
|
|
: "=&r"(__ret) \
|
||
|
|
: "r"(lock), "r"(new), "r"(old) \
|
||
|
|
: "cr0", "memory"); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
# elif defined (__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) \
|
||
|
|
|| defined (__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) \
|
||
|
|
|| defined (__ARM_ARCH_6K__) || defined(__ARM_ARCH_6T2__) \
|
||
|
|
|| defined (__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) \
|
||
|
|
|| defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) \
|
||
|
|
|| defined(__ARM_ARCH_7EM__)
|
||
|
|
#undef DRM_DEV_MODE
|
||
|
|
#define DRM_DEV_MODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
|
||
|
|
|
||
|
|
#define DRM_CAS(lock,old,new,__ret) \
|
||
|
|
do { \
|
||
|
|
__asm__ __volatile__ ( \
|
||
|
|
"1: ldrex %0, [%1]\n" \
|
||
|
|
" teq %0, %2\n" \
|
||
|
|
" ite eq\n" \
|
||
|
|
" strexeq %0, %3, [%1]\n" \
|
||
|
|
" movne %0, #1\n" \
|
||
|
|
: "=&r" (__ret) \
|
||
|
|
: "r" (lock), "r" (old), "r" (new) \
|
||
|
|
: "cc","memory"); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#endif /* architecture */
|
||
|
|
#endif /* __GNUC__ >= 2 */
|
||
|
|
|
||
|
|
#ifndef DRM_CAS
|
||
|
|
#define DRM_CAS(lock,old,new,ret) do { ret=1; } while (0) /* FAST LOCK FAILS */
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(__alpha__)
|
||
|
|
#define DRM_CAS_RESULT(_result) long _result
|
||
|
|
#elif defined(__powerpc__)
|
||
|
|
#define DRM_CAS_RESULT(_result) int _result
|
||
|
|
#else
|
||
|
|
#define DRM_CAS_RESULT(_result) char _result
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define DRM_LIGHT_LOCK(fd,lock,context) \
|
||
|
|
do { \
|
||
|
|
DRM_CAS_RESULT(__ret); \
|
||
|
|
DRM_CAS(lock,context,DRM_LOCK_HELD|context,__ret); \
|
||
|
|
if (__ret) drmGetLock(fd,context,0); \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
/* This one counts fast locks -- for
|
||
|
|
benchmarking only. */
|
||
|
|
#define DRM_LIGHT_LOCK_COUNT(fd,lock,context,count) \
|
||
|
|
do { \
|
||
|
|
DRM_CAS_RESULT(__ret); \
|
||
|
|
DRM_CAS(lock,context,DRM_LOCK_HELD|context,__ret); \
|
||
|
|
if (__ret) drmGetLock(fd,context,0); \
|
||
|
|
else ++count; \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
#define DRM_LOCK(fd,lock,context,flags) \
|
||
|
|
do { \
|
||
|
|
if (flags) drmGetLock(fd,context,flags); \
|
||
|
|
else DRM_LIGHT_LOCK(fd,lock,context); \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
#define DRM_UNLOCK(fd,lock,context) \
|
||
|
|
do { \
|
||
|
|
DRM_CAS_RESULT(__ret); \
|
||
|
|
DRM_CAS(lock,DRM_LOCK_HELD|context,context,__ret); \
|
||
|
|
if (__ret) drmUnlock(fd,context); \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
/* Simple spin locks */
|
||
|
|
#define DRM_SPINLOCK(spin,val) \
|
||
|
|
do { \
|
||
|
|
DRM_CAS_RESULT(__ret); \
|
||
|
|
do { \
|
||
|
|
DRM_CAS(spin,0,val,__ret); \
|
||
|
|
if (__ret) while ((spin)->lock); \
|
||
|
|
} while (__ret); \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
#define DRM_SPINLOCK_TAKE(spin,val) \
|
||
|
|
do { \
|
||
|
|
DRM_CAS_RESULT(__ret); \
|
||
|
|
int cur; \
|
||
|
|
do { \
|
||
|
|
cur = (*spin).lock; \
|
||
|
|
DRM_CAS(spin,cur,val,__ret); \
|
||
|
|
} while (__ret); \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
#define DRM_SPINLOCK_COUNT(spin,val,count,__ret) \
|
||
|
|
do { \
|
||
|
|
int __i; \
|
||
|
|
__ret = 1; \
|
||
|
|
for (__i = 0; __ret && __i < count; __i++) { \
|
||
|
|
DRM_CAS(spin,0,val,__ret); \
|
||
|
|
if (__ret) for (;__i < count && (spin)->lock; __i++); \
|
||
|
|
} \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
#define DRM_SPINUNLOCK(spin,val) \
|
||
|
|
do { \
|
||
|
|
DRM_CAS_RESULT(__ret); \
|
||
|
|
if ((*spin).lock == val) { /* else server stole lock */ \
|
||
|
|
do { \
|
||
|
|
DRM_CAS(spin,val,0,__ret); \
|
||
|
|
} while (__ret); \
|
||
|
|
} \
|
||
|
|
} while(0)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/* General user-level programmer's API: unprivileged */
|
||
|
|
extern int drmAvailable(void);
|
||
|
|
extern int drmOpen(const char *name, const char *busid);
|
||
|
|
|
||
|
|
#define DRM_NODE_PRIMARY 0
|
||
|
|
#define DRM_NODE_CONTROL 1
|
||
|
|
#define DRM_NODE_RENDER 2
|
||
|
|
#define DRM_NODE_MAX 3
|
||
|
|
|
||
|
|
extern int drmOpenWithType(const char *name, const char *busid,
|
||
|
|
int type);
|
||
|
|
|
||
|
|
extern int drmOpenControl(int minor);
|
||
|
|
extern int drmOpenRender(int minor);
|
||
|
|
extern int drmClose(int fd);
|
||
|
|
extern drmVersionPtr drmGetVersion(int fd);
|
||
|
|
extern drmVersionPtr drmGetLibVersion(int fd);
|
||
|
|
extern int drmGetCap(int fd, uint64_t capability, uint64_t *value);
|
||
|
|
extern void drmFreeVersion(drmVersionPtr);
|
||
|
|
extern int drmGetMagic(int fd, drm_magic_t * magic);
|
||
|
|
extern char *drmGetBusid(int fd);
|
||
|
|
extern int drmGetInterruptFromBusID(int fd, int busnum, int devnum,
|
||
|
|
int funcnum);
|
||
|
|
extern int drmGetMap(int fd, int idx, drm_handle_t *offset,
|
||
|
|
drmSize *size, drmMapType *type,
|
||
|
|
drmMapFlags *flags, drm_handle_t *handle,
|
||
|
|
int *mtrr);
|
||
|
|
extern int drmGetClient(int fd, int idx, int *auth, int *pid,
|
||
|
|
int *uid, unsigned long *magic,
|
||
|
|
unsigned long *iocs);
|
||
|
|
extern int drmGetStats(int fd, drmStatsT *stats);
|
||
|
|
extern int drmSetInterfaceVersion(int fd, drmSetVersion *version);
|
||
|
|
extern int drmCommandNone(int fd, unsigned long drmCommandIndex);
|
||
|
|
extern int drmCommandRead(int fd, unsigned long drmCommandIndex,
|
||
|
|
void *data, unsigned long size);
|
||
|
|
extern int drmCommandWrite(int fd, unsigned long drmCommandIndex,
|
||
|
|
void *data, unsigned long size);
|
||
|
|
extern int drmCommandWriteRead(int fd, unsigned long drmCommandIndex,
|
||
|
|
void *data, unsigned long size);
|
||
|
|
|
||
|
|
/* General user-level programmer's API: X server (root) only */
|
||
|
|
extern void drmFreeBusid(const char *busid);
|
||
|
|
extern int drmSetBusid(int fd, const char *busid);
|
||
|
|
extern int drmAuthMagic(int fd, drm_magic_t magic);
|
||
|
|
extern int drmAddMap(int fd,
|
||
|
|
drm_handle_t offset,
|
||
|
|
drmSize size,
|
||
|
|
drmMapType type,
|
||
|
|
drmMapFlags flags,
|
||
|
|
drm_handle_t * handle);
|
||
|
|
extern int drmRmMap(int fd, drm_handle_t handle);
|
||
|
|
extern int drmAddContextPrivateMapping(int fd, drm_context_t ctx_id,
|
||
|
|
drm_handle_t handle);
|
||
|
|
|
||
|
|
extern int drmAddBufs(int fd, int count, int size,
|
||
|
|
drmBufDescFlags flags,
|
||
|
|
int agp_offset);
|
||
|
|
extern int drmMarkBufs(int fd, double low, double high);
|
||
|
|
extern int drmCreateContext(int fd, drm_context_t * handle);
|
||
|
|
extern int drmSetContextFlags(int fd, drm_context_t context,
|
||
|
|
drm_context_tFlags flags);
|
||
|
|
extern int drmGetContextFlags(int fd, drm_context_t context,
|
||
|
|
drm_context_tFlagsPtr flags);
|
||
|
|
extern int drmAddContextTag(int fd, drm_context_t context, void *tag);
|
||
|
|
extern int drmDelContextTag(int fd, drm_context_t context);
|
||
|
|
extern void *drmGetContextTag(int fd, drm_context_t context);
|
||
|
|
extern drm_context_t * drmGetReservedContextList(int fd, int *count);
|
||
|
|
extern void drmFreeReservedContextList(drm_context_t *);
|
||
|
|
extern int drmSwitchToContext(int fd, drm_context_t context);
|
||
|
|
extern int drmDestroyContext(int fd, drm_context_t handle);
|
||
|
|
extern int drmCreateDrawable(int fd, drm_drawable_t * handle);
|
||
|
|
extern int drmDestroyDrawable(int fd, drm_drawable_t handle);
|
||
|
|
extern int drmUpdateDrawableInfo(int fd, drm_drawable_t handle,
|
||
|
|
drm_drawable_info_type_t type,
|
||
|
|
unsigned int num, void *data);
|
||
|
|
extern int drmCtlInstHandler(int fd, int irq);
|
||
|
|
extern int drmCtlUninstHandler(int fd);
|
||
|
|
extern int drmSetClientCap(int fd, uint64_t capability,
|
||
|
|
uint64_t value);
|
||
|
|
|
||
|
|
extern int drmCrtcGetSequence(int fd, uint32_t crtcId,
|
||
|
|
uint64_t *sequence, uint64_t *ns);
|
||
|
|
extern int drmCrtcQueueSequence(int fd, uint32_t crtcId,
|
||
|
|
uint32_t flags, uint64_t sequence,
|
||
|
|
uint64_t *sequence_queued,
|
||
|
|
uint64_t user_data);
|
||
|
|
/* General user-level programmer's API: authenticated client and/or X */
|
||
|
|
extern int drmMap(int fd,
|
||
|
|
drm_handle_t handle,
|
||
|
|
drmSize size,
|
||
|
|
drmAddressPtr address);
|
||
|
|
extern int drmUnmap(drmAddress address, drmSize size);
|
||
|
|
extern drmBufInfoPtr drmGetBufInfo(int fd);
|
||
|
|
extern drmBufMapPtr drmMapBufs(int fd);
|
||
|
|
extern int drmUnmapBufs(drmBufMapPtr bufs);
|
||
|
|
extern int drmDMA(int fd, drmDMAReqPtr request);
|
||
|
|
extern int drmFreeBufs(int fd, int count, int *list);
|
||
|
|
extern int drmGetLock(int fd,
|
||
|
|
drm_context_t context,
|
||
|
|
drmLockFlags flags);
|
||
|
|
extern int drmUnlock(int fd, drm_context_t context);
|
||
|
|
extern int drmFinish(int fd, int context, drmLockFlags flags);
|
||
|
|
extern int drmGetContextPrivateMapping(int fd, drm_context_t ctx_id,
|
||
|
|
drm_handle_t * handle);
|
||
|
|
|
||
|
|
/* AGP/GART support: X server (root) only */
|
||
|
|
extern int drmAgpAcquire(int fd);
|
||
|
|
extern int drmAgpRelease(int fd);
|
||
|
|
extern int drmAgpEnable(int fd, unsigned long mode);
|
||
|
|
extern int drmAgpAlloc(int fd, unsigned long size,
|
||
|
|
unsigned long type, unsigned long *address,
|
||
|
|
drm_handle_t *handle);
|
||
|
|
extern int drmAgpFree(int fd, drm_handle_t handle);
|
||
|
|
extern int drmAgpBind(int fd, drm_handle_t handle,
|
||
|
|
unsigned long offset);
|
||
|
|
extern int drmAgpUnbind(int fd, drm_handle_t handle);
|
||
|
|
|
||
|
|
/* AGP/GART info: authenticated client and/or X */
|
||
|
|
extern int drmAgpVersionMajor(int fd);
|
||
|
|
extern int drmAgpVersionMinor(int fd);
|
||
|
|
extern unsigned long drmAgpGetMode(int fd);
|
||
|
|
extern unsigned long drmAgpBase(int fd); /* Physical location */
|
||
|
|
extern unsigned long drmAgpSize(int fd); /* Bytes */
|
||
|
|
extern unsigned long drmAgpMemoryUsed(int fd);
|
||
|
|
extern unsigned long drmAgpMemoryAvail(int fd);
|
||
|
|
extern unsigned int drmAgpVendorId(int fd);
|
||
|
|
extern unsigned int drmAgpDeviceId(int fd);
|
||
|
|
|
||
|
|
/* PCI scatter/gather support: X server (root) only */
|
||
|
|
extern int drmScatterGatherAlloc(int fd, unsigned long size,
|
||
|
|
drm_handle_t *handle);
|
||
|
|
extern int drmScatterGatherFree(int fd, drm_handle_t handle);
|
||
|
|
|
||
|
|
extern int drmWaitVBlank(int fd, drmVBlankPtr vbl);
|
||
|
|
|
||
|
|
/* Support routines */
|
||
|
|
extern void drmSetServerInfo(drmServerInfoPtr info);
|
||
|
|
extern int drmError(int err, const char *label);
|
||
|
|
extern void *drmMalloc(int size);
|
||
|
|
extern void drmFree(void *pt);
|
||
|
|
|
||
|
|
/* Hash table routines */
|
||
|
|
extern void *drmHashCreate(void);
|
||
|
|
extern int drmHashDestroy(void *t);
|
||
|
|
extern int drmHashLookup(void *t, unsigned long key, void **value);
|
||
|
|
extern int drmHashInsert(void *t, unsigned long key, void *value);
|
||
|
|
extern int drmHashDelete(void *t, unsigned long key);
|
||
|
|
extern int drmHashFirst(void *t, unsigned long *key, void **value);
|
||
|
|
extern int drmHashNext(void *t, unsigned long *key, void **value);
|
||
|
|
|
||
|
|
/* PRNG routines */
|
||
|
|
extern void *drmRandomCreate(unsigned long seed);
|
||
|
|
extern int drmRandomDestroy(void *state);
|
||
|
|
extern unsigned long drmRandom(void *state);
|
||
|
|
extern double drmRandomDouble(void *state);
|
||
|
|
|
||
|
|
/* Skip list routines */
|
||
|
|
|
||
|
|
extern void *drmSLCreate(void);
|
||
|
|
extern int drmSLDestroy(void *l);
|
||
|
|
extern int drmSLLookup(void *l, unsigned long key, void **value);
|
||
|
|
extern int drmSLInsert(void *l, unsigned long key, void *value);
|
||
|
|
extern int drmSLDelete(void *l, unsigned long key);
|
||
|
|
extern int drmSLNext(void *l, unsigned long *key, void **value);
|
||
|
|
extern int drmSLFirst(void *l, unsigned long *key, void **value);
|
||
|
|
extern void drmSLDump(void *l);
|
||
|
|
extern int drmSLLookupNeighbors(void *l, unsigned long key,
|
||
|
|
unsigned long *prev_key, void **prev_value,
|
||
|
|
unsigned long *next_key, void **next_value);
|
||
|
|
|
||
|
|
extern int drmOpenOnce(void *unused, const char *BusID, int *newlyopened);
|
||
|
|
extern int drmOpenOnceWithType(const char *BusID, int *newlyopened, int type);
|
||
|
|
extern void drmCloseOnce(int fd);
|
||
|
|
extern void drmMsg(const char *format, ...) DRM_PRINTFLIKE(1, 2);
|
||
|
|
|
||
|
|
extern int drmSetMaster(int fd);
|
||
|
|
extern int drmDropMaster(int fd);
|
||
|
|
extern int drmIsMaster(int fd);
|
||
|
|
|
||
|
|
#define DRM_EVENT_CONTEXT_VERSION 4
|
||
|
|
|
||
|
|
typedef struct _drmEventContext {
|
||
|
|
|
||
|
|
/* This struct is versioned so we can add more pointers if we
|
||
|
|
* add more events. */
|
||
|
|
int version;
|
||
|
|
|
||
|
|
void (*vblank_handler)(int fd,
|
||
|
|
unsigned int sequence,
|
||
|
|
unsigned int tv_sec,
|
||
|
|
unsigned int tv_usec,
|
||
|
|
void *user_data);
|
||
|
|
|
||
|
|
void (*page_flip_handler)(int fd,
|
||
|
|
unsigned int sequence,
|
||
|
|
unsigned int tv_sec,
|
||
|
|
unsigned int tv_usec,
|
||
|
|
void *user_data);
|
||
|
|
|
||
|
|
void (*page_flip_handler2)(int fd,
|
||
|
|
unsigned int sequence,
|
||
|
|
unsigned int tv_sec,
|
||
|
|
unsigned int tv_usec,
|
||
|
|
unsigned int crtc_id,
|
||
|
|
void *user_data);
|
||
|
|
|
||
|
|
void (*sequence_handler)(int fd,
|
||
|
|
uint64_t sequence,
|
||
|
|
uint64_t ns,
|
||
|
|
uint64_t user_data);
|
||
|
|
} drmEventContext, *drmEventContextPtr;
|
||
|
|
|
||
|
|
extern int drmHandleEvent(int fd, drmEventContextPtr evctx);
|
||
|
|
|
||
|
|
extern char *drmGetDeviceNameFromFd(int fd);
|
||
|
|
|
||
|
|
/* Improved version of drmGetDeviceNameFromFd which attributes for any type of
|
||
|
|
* device/node - card, control or renderD.
|
||
|
|
*/
|
||
|
|
extern char *drmGetDeviceNameFromFd2(int fd);
|
||
|
|
extern int drmGetNodeTypeFromFd(int fd);
|
||
|
|
|
||
|
|
extern int drmPrimeHandleToFD(int fd, uint32_t handle, uint32_t flags, int *prime_fd);
|
||
|
|
extern int drmPrimeFDToHandle(int fd, int prime_fd, uint32_t *handle);
|
||
|
|
|
||
|
|
extern char *drmGetPrimaryDeviceNameFromFd(int fd);
|
||
|
|
extern char *drmGetRenderDeviceNameFromFd(int fd);
|
||
|
|
|
||
|
|
#define DRM_BUS_PCI 0
|
||
|
|
#define DRM_BUS_USB 1
|
||
|
|
#define DRM_BUS_PLATFORM 2
|
||
|
|
#define DRM_BUS_HOST1X 3
|
||
|
|
|
||
|
|
typedef struct _drmPciBusInfo {
|
||
|
|
uint16_t domain;
|
||
|
|
uint8_t bus;
|
||
|
|
uint8_t dev;
|
||
|
|
uint8_t func;
|
||
|
|
} drmPciBusInfo, *drmPciBusInfoPtr;
|
||
|
|
|
||
|
|
typedef struct _drmPciDeviceInfo {
|
||
|
|
uint16_t vendor_id;
|
||
|
|
uint16_t device_id;
|
||
|
|
uint16_t subvendor_id;
|
||
|
|
uint16_t subdevice_id;
|
||
|
|
uint8_t revision_id;
|
||
|
|
} drmPciDeviceInfo, *drmPciDeviceInfoPtr;
|
||
|
|
|
||
|
|
typedef struct _drmUsbBusInfo {
|
||
|
|
uint8_t bus;
|
||
|
|
uint8_t dev;
|
||
|
|
} drmUsbBusInfo, *drmUsbBusInfoPtr;
|
||
|
|
|
||
|
|
typedef struct _drmUsbDeviceInfo {
|
||
|
|
uint16_t vendor;
|
||
|
|
uint16_t product;
|
||
|
|
} drmUsbDeviceInfo, *drmUsbDeviceInfoPtr;
|
||
|
|
|
||
|
|
#define DRM_PLATFORM_DEVICE_NAME_LEN 512
|
||
|
|
|
||
|
|
typedef struct _drmPlatformBusInfo {
|
||
|
|
char fullname[DRM_PLATFORM_DEVICE_NAME_LEN];
|
||
|
|
} drmPlatformBusInfo, *drmPlatformBusInfoPtr;
|
||
|
|
|
||
|
|
typedef struct _drmPlatformDeviceInfo {
|
||
|
|
char **compatible; /* NULL terminated list of compatible strings */
|
||
|
|
} drmPlatformDeviceInfo, *drmPlatformDeviceInfoPtr;
|
||
|
|
|
||
|
|
#define DRM_HOST1X_DEVICE_NAME_LEN 512
|
||
|
|
|
||
|
|
typedef struct _drmHost1xBusInfo {
|
||
|
|
char fullname[DRM_HOST1X_DEVICE_NAME_LEN];
|
||
|
|
} drmHost1xBusInfo, *drmHost1xBusInfoPtr;
|
||
|
|
|
||
|
|
typedef struct _drmHost1xDeviceInfo {
|
||
|
|
char **compatible; /* NULL terminated list of compatible strings */
|
||
|
|
} drmHost1xDeviceInfo, *drmHost1xDeviceInfoPtr;
|
||
|
|
|
||
|
|
typedef struct _drmDevice {
|
||
|
|
char **nodes; /* DRM_NODE_MAX sized array */
|
||
|
|
int available_nodes; /* DRM_NODE_* bitmask */
|
||
|
|
int bustype;
|
||
|
|
union {
|
||
|
|
drmPciBusInfoPtr pci;
|
||
|
|
drmUsbBusInfoPtr usb;
|
||
|
|
drmPlatformBusInfoPtr platform;
|
||
|
|
drmHost1xBusInfoPtr host1x;
|
||
|
|
} businfo;
|
||
|
|
union {
|
||
|
|
drmPciDeviceInfoPtr pci;
|
||
|
|
drmUsbDeviceInfoPtr usb;
|
||
|
|
drmPlatformDeviceInfoPtr platform;
|
||
|
|
drmHost1xDeviceInfoPtr host1x;
|
||
|
|
} deviceinfo;
|
||
|
|
} drmDevice, *drmDevicePtr;
|
||
|
|
|
||
|
|
extern int drmGetDevice(int fd, drmDevicePtr *device);
|
||
|
|
extern void drmFreeDevice(drmDevicePtr *device);
|
||
|
|
|
||
|
|
extern int drmGetDevices(drmDevicePtr devices[], int max_devices);
|
||
|
|
extern void drmFreeDevices(drmDevicePtr devices[], int count);
|
||
|
|
|
||
|
|
#define DRM_DEVICE_GET_PCI_REVISION (1 << 0)
|
||
|
|
extern int drmGetDevice2(int fd, uint32_t flags, drmDevicePtr *device);
|
||
|
|
extern int drmGetDevices2(uint32_t flags, drmDevicePtr devices[], int max_devices);
|
||
|
|
|
||
|
|
extern int drmDevicesEqual(drmDevicePtr a, drmDevicePtr b);
|
||
|
|
|
||
|
|
extern int drmSyncobjCreate(int fd, uint32_t flags, uint32_t *handle);
|
||
|
|
extern int drmSyncobjDestroy(int fd, uint32_t handle);
|
||
|
|
extern int drmSyncobjHandleToFD(int fd, uint32_t handle, int *obj_fd);
|
||
|
|
extern int drmSyncobjFDToHandle(int fd, int obj_fd, uint32_t *handle);
|
||
|
|
|
||
|
|
extern int drmSyncobjImportSyncFile(int fd, uint32_t handle, int sync_file_fd);
|
||
|
|
extern int drmSyncobjExportSyncFile(int fd, uint32_t handle, int *sync_file_fd);
|
||
|
|
extern int drmSyncobjWait(int fd, uint32_t *handles, unsigned num_handles,
|
||
|
|
int64_t timeout_nsec, unsigned flags,
|
||
|
|
uint32_t *first_signaled);
|
||
|
|
extern int drmSyncobjReset(int fd, const uint32_t *handles, uint32_t handle_count);
|
||
|
|
extern int drmSyncobjSignal(int fd, const uint32_t *handles, uint32_t handle_count);
|
||
|
|
extern int drmSyncobjTimelineSignal(int fd, const uint32_t *handles,
|
||
|
|
uint64_t *points, uint32_t handle_count);
|
||
|
|
extern int drmSyncobjTimelineWait(int fd, uint32_t *handles, uint64_t *points,
|
||
|
|
unsigned num_handles,
|
||
|
|
int64_t timeout_nsec, unsigned flags,
|
||
|
|
uint32_t *first_signaled);
|
||
|
|
extern int drmSyncobjQuery(int fd, uint32_t *handles, uint64_t *points,
|
||
|
|
uint32_t handle_count);
|
||
|
|
extern int drmSyncobjTransfer(int fd,
|
||
|
|
uint32_t dst_handle, uint64_t dst_point,
|
||
|
|
uint32_t src_handle, uint64_t src_point,
|
||
|
|
uint32_t flags);
|
||
|
|
|
||
|
|
#if defined(__cplusplus)
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|