138 lines
4.7 KiB
C
138 lines
4.7 KiB
C
/* SPDX-License-Identifier: MIT OR X11
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*
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* Copyright © 2024 Enrico Weigelt, metux IT consult <info@metux.net>
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* Copyright © 2012 Red Hat.
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*/
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#ifndef _XSERVER_XF86_PLATFORM_BUS_PRIV_H_
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#define _XSERVER_XF86_PLATFORM_BUS_PRIV_H_
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#include <X11/Xdefs.h>
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#include "xf86platformBus.h"
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/* xf86_platform_device flags */
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#define XF86_PDEV_UNOWNED 0x01
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#define XF86_PDEV_SERVER_FD 0x02
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#define XF86_PDEV_PAUSED 0x04
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#ifdef XSERVER_PLATFORM_BUS
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int xf86platformProbe(void);
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int xf86platformProbeDev(DriverPtr drvp);
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int xf86platformAddGPUDevices(DriverPtr drvp);
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void xf86MergeOutputClassOptions(int entityIndex, void **options);
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void xf86PlatformScanPciDev(void);
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const char *xf86PlatformFindHotplugDriver(int dev_index);
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extern int xf86_num_platform_devices;
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extern struct xf86_platform_device *xf86_platform_devices;
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int xf86_add_platform_device(struct OdevAttributes *attribs, Bool unowned);
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int xf86_remove_platform_device(int dev_index);
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Bool xf86_get_platform_device_unowned(int index);
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int xf86platformAddDevice(const char *driver_name, int index);
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void xf86platformRemoveDevice(int index);
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static inline struct OdevAttributes *
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xf86_platform_device_odev_attributes(struct xf86_platform_device *device)
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{
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return device->attribs;
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}
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static inline struct OdevAttributes *
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xf86_platform_odev_attributes(int index)
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{
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struct xf86_platform_device *device = &xf86_platform_devices[index];
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return device->attribs;
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}
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#ifndef _XORG_CONFIG_H_
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/*
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* Define the legacy API only for external builds
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*/
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/* path to kernel device node - Linux e.g. /dev/dri/card0 */
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#define ODEV_ATTRIB_PATH 1
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/* system device path - Linux e.g. /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card1 */
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#define ODEV_ATTRIB_SYSPATH 2
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/* DRI-style bus id */
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#define ODEV_ATTRIB_BUSID 3
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/* Server managed FD */
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#define ODEV_ATTRIB_FD 4
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/* Major number of the device node pointed to by ODEV_ATTRIB_PATH */
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#define ODEV_ATTRIB_MAJOR 5
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/* Minor number of the device node pointed to by ODEV_ATTRIB_PATH */
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#define ODEV_ATTRIB_MINOR 6
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/* kernel driver name */
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#define ODEV_ATTRIB_DRIVER 7
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/* Protect against a mismatch attribute type by generating a compiler
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* error using a negative array size when an incorrect attribute is
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* passed
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*/
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#define _ODEV_ATTRIB_IS_STRING(x) ((x) == ODEV_ATTRIB_PATH || \
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(x) == ODEV_ATTRIB_SYSPATH || \
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(x) == ODEV_ATTRIB_BUSID || \
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(x) == ODEV_ATTRIB_DRIVER)
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#define _ODEV_ATTRIB_STRING_CHECK(x) ((int (*)[_ODEV_ATTRIB_IS_STRING(x)-1]) 0)
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static inline char *
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_xf86_get_platform_device_attrib(struct xf86_platform_device *device, int attrib, int (*fake)[0])
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{
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switch (attrib) {
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case ODEV_ATTRIB_PATH:
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return xf86_platform_device_odev_attributes(device)->path;
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case ODEV_ATTRIB_SYSPATH:
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return xf86_platform_device_odev_attributes(device)->syspath;
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case ODEV_ATTRIB_BUSID:
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return xf86_platform_device_odev_attributes(device)->busid;
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case ODEV_ATTRIB_DRIVER:
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return xf86_platform_device_odev_attributes(device)->driver;
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default:
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assert(FALSE);
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return NULL;
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}
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}
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#define xf86_get_platform_device_attrib(device, attrib) _xf86_get_platform_device_attrib(device,attrib,_ODEV_ATTRIB_STRING_CHECK(attrib))
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#define _ODEV_ATTRIB_IS_INT(x) ((x) == ODEV_ATTRIB_FD || (x) == ODEV_ATTRIB_MAJOR || (x) == ODEV_ATTRIB_MINOR)
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#define _ODEV_ATTRIB_INT_DEFAULT(x) ((x) == ODEV_ATTRIB_FD ? -1 : 0)
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#define _ODEV_ATTRIB_DEFAULT_CHECK(x,def) (_ODEV_ATTRIB_INT_DEFAULT(x) == (def))
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#define _ODEV_ATTRIB_INT_CHECK(x,def) ((int (*)[_ODEV_ATTRIB_IS_INT(x)*_ODEV_ATTRIB_DEFAULT_CHECK(x,def)-1]) 0)
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static inline int
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_xf86_get_platform_device_int_attrib(struct xf86_platform_device *device, int attrib, int (*fake)[0])
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{
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switch (attrib) {
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case ODEV_ATTRIB_FD:
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return xf86_platform_device_odev_attributes(device)->fd;
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case ODEV_ATTRIB_MAJOR:
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return xf86_platform_device_odev_attributes(device)->major;
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case ODEV_ATTRIB_MINOR:
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return xf86_platform_device_odev_attributes(device)->minor;
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default:
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assert(FALSE);
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return 0;
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}
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}
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#define xf86_get_platform_device_int_attrib(device, attrib, def) _xf86_get_platform_device_int_attrib(device,attrib,_ODEV_ATTRIB_INT_CHECK(attrib,def))
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#endif /* _XORG_CONFIG_H_ */
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extern void xf86platformVTProbe(void);
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extern void xf86platformPrimary(void);
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#else /* XSERVER_PLATFORM_BUS */
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static inline int xf86platformAddGPUDevices(DriverPtr drvp) { return FALSE; }
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static inline void xf86MergeOutputClassOptions(int index, void **options) {}
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#endif /* XSERVER_PLATFORM_BUS */
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#endif /* _XSERVER_XF86_PLATFORM_BUS_PRIV_H_ */
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