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851 lines
31 KiB
851 lines
31 KiB
/** |
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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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/* |
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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_DEV_NAME "%s/drm%d" |
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#define DRM_CONTROL_DEV_NAME "%s/drmC%d" |
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#define DRM_RENDER_DEV_NAME "%s/drmR%d" |
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#else |
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#define DRM_DIR_NAME "/dev/dri" |
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#define DRM_DEV_NAME "%s/card%d" |
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#define DRM_CONTROL_DEV_NAME "%s/controlD%d" |
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#define DRM_RENDER_DEV_NAME "%s/renderD%d" |
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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_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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} drmVBlankSeqType; |
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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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unsigned long signal; |
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} drmVBlankReq, *drmVBlankReqPtr; |
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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; |
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typedef union _drmVBlank { |
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drmVBlankReq request; |
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drmVBlankReply reply; |
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} drmVBlank, *drmVBlankPtr; |
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typedef struct _drmSetVersion { |
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int drm_di_major; |
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int drm_di_minor; |
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int drm_dd_major; |
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int drm_dd_minor; |
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} drmSetVersion, *drmSetVersionPtr; |
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#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock) |
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#define DRM_LOCK_HELD 0x80000000U /**< Hardware lock is held */ |
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#define DRM_LOCK_CONT 0x40000000U /**< Hardware lock is contended */ |
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#if defined(__GNUC__) && (__GNUC__ >= 2) |
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# if defined(__i386) || defined(__AMD64__) || defined(__x86_64__) || defined(__amd64__) |
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/* Reflect changes here to drmP.h */ |
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#define DRM_CAS(lock,old,new,__ret) \ |
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do { \ |
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int __dummy; /* Can't mark eax as clobbered */ \ |
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__asm__ __volatile__( \ |
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"lock ; cmpxchg %4,%1\n\t" \ |
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"setnz %0" \ |
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: "=d" (__ret), \ |
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"=m" (__drm_dummy_lock(lock)), \ |
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"=a" (__dummy) \ |
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: "2" (old), \ |
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"r" (new)); \ |
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} while (0) |
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#elif defined(__alpha__) |
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#define DRM_CAS(lock, old, new, ret) \ |
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do { \ |
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int tmp, old32; \ |
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__asm__ __volatile__( \ |
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" addl $31, %5, %3\n" \ |
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"1: ldl_l %0, %2\n" \ |
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" cmpeq %0, %3, %1\n" \ |
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" beq %1, 2f\n" \ |
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" mov %4, %0\n" \ |
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" stl_c %0, %2\n" \ |
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" beq %0, 3f\n" \ |
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" mb\n" \ |
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"2: cmpeq %1, 0, %1\n" \ |
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".subsection 2\n" \ |
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"3: br 1b\n" \ |
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".previous" \ |
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: "=&r"(tmp), "=&r"(ret), \ |
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"=m"(__drm_dummy_lock(lock)), \ |
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"=&r"(old32) \ |
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: "r"(new), "r"(old) \ |
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: "memory"); \ |
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} while (0) |
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#elif defined(__sparc__) |
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#define DRM_CAS(lock,old,new,__ret) \ |
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do { register unsigned int __old __asm("o0"); \ |
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register unsigned int __new __asm("o1"); \ |
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register volatile unsigned int *__lock __asm("o2"); \ |
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__old = old; \ |
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__new = new; \ |
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__lock = (volatile unsigned int *)lock; \ |
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__asm__ __volatile__( \ |
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/*"cas [%2], %3, %0"*/ \ |
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".word 0xd3e29008\n\t" \ |
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/*"membar #StoreStore | #StoreLoad"*/ \ |
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".word 0x8143e00a" \ |
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: "=&r" (__new) \ |
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: "0" (__new), \ |
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"r" (__lock), \ |
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"r" (__old) \ |
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: "memory"); \ |
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__ret = (__new != __old); \ |
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} while(0) |
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#elif defined(__ia64__) |
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#ifdef __INTEL_COMPILER |
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/* this currently generates bad code (missing stop bits)... */ |
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#include <ia64intrin.h> |
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#define DRM_CAS(lock,old,new,__ret) \ |
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do { \ |
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unsigned long __result, __old = (old) & 0xffffffff; \ |
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__mf(); \ |
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__result = _InterlockedCompareExchange_acq(&__drm_dummy_lock(lock), (new), __old);\ |
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__ret = (__result) != (__old); \ |
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/* __ret = (__sync_val_compare_and_swap(&__drm_dummy_lock(lock), \ |
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(old), (new)) \ |
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!= (old)); */\ |
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} while (0) |
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#else |
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#define DRM_CAS(lock,old,new,__ret) \ |
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do { \ |
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unsigned int __result, __old = (old); \ |
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__asm__ __volatile__( \ |
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"mf\n" \ |
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"mov ar.ccv=%2\n" \ |
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";;\n" \ |
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"cmpxchg4.acq %0=%1,%3,ar.ccv" \ |
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: "=r" (__result), "=m" (__drm_dummy_lock(lock)) \ |
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: "r" ((unsigned long)__old), "r" (new) \ |
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: "memory"); \ |
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__ret = (__result) != (__old); \ |
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} while (0) |
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#endif |
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#elif defined(__powerpc__) |
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#define DRM_CAS(lock,old,new,__ret) \ |
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do { \ |
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__asm__ __volatile__( \ |
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"sync;" \ |
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"0: lwarx %0,0,%1;" \ |
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" xor. %0,%3,%0;" \ |
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" bne 1f;" \ |
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" stwcx. %2,0,%1;" \ |
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" bne- 0b;" \ |
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"1: " \ |
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"sync;" \ |
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: "=&r"(__ret) \ |
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: "r"(lock), "r"(new), "r"(old) \ |
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: "cr0", "memory"); \ |
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} while (0) |
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#endif /* architecture */ |
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#endif /* __GNUC__ >= 2 */ |
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#ifndef DRM_CAS |
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#define DRM_CAS(lock,old,new,ret) do { ret=1; } while (0) /* FAST LOCK FAILS */ |
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#endif |
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#if defined(__alpha__) |
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#define DRM_CAS_RESULT(_result) long _result |
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#elif defined(__powerpc__) |
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#define DRM_CAS_RESULT(_result) int _result |
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#else |
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#define DRM_CAS_RESULT(_result) char _result |
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#endif |
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#define DRM_LIGHT_LOCK(fd,lock,context) \ |
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do { \ |
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DRM_CAS_RESULT(__ret); \ |
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DRM_CAS(lock,context,DRM_LOCK_HELD|context,__ret); \ |
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if (__ret) drmGetLock(fd,context,0); \ |
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} while(0) |
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/* This one counts fast locks -- for |
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benchmarking only. */ |
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#define DRM_LIGHT_LOCK_COUNT(fd,lock,context,count) \ |
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do { \ |
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DRM_CAS_RESULT(__ret); \ |
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DRM_CAS(lock,context,DRM_LOCK_HELD|context,__ret); \ |
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if (__ret) drmGetLock(fd,context,0); \ |
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else ++count; \ |
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} while(0) |
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#define DRM_LOCK(fd,lock,context,flags) \ |
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do { \ |
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if (flags) drmGetLock(fd,context,flags); \ |
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else DRM_LIGHT_LOCK(fd,lock,context); \ |
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} while(0) |
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|
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#define DRM_UNLOCK(fd,lock,context) \ |
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do { \ |
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DRM_CAS_RESULT(__ret); \ |
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DRM_CAS(lock,DRM_LOCK_HELD|context,context,__ret); \ |
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if (__ret) drmUnlock(fd,context); \ |
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} while(0) |
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|
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/* Simple spin locks */ |
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#define DRM_SPINLOCK(spin,val) \ |
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do { \ |
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DRM_CAS_RESULT(__ret); \ |
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do { \ |
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DRM_CAS(spin,0,val,__ret); \ |
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if (__ret) while ((spin)->lock); \ |
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} while (__ret); \ |
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} while(0) |
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|
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#define DRM_SPINLOCK_TAKE(spin,val) \ |
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do { \ |
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DRM_CAS_RESULT(__ret); \ |
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int cur; \ |
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do { \ |
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cur = (*spin).lock; \ |
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DRM_CAS(spin,cur,val,__ret); \ |
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} while (__ret); \ |
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} 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); |
|
|
|
/* 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); |
|
|
|
#define DRM_EVENT_CONTEXT_VERSION 2 |
|
|
|
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); |
|
|
|
} 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); |
|
|
|
#if defined(__cplusplus) |
|
} |
|
#endif |
|
|
|
#endif
|
|
|