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| Rev | Author | Line No. | Line |
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| 4358 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 3 | * Copyright 2012 Francisco Jerez |
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| 4 | * All Rights Reserved. |
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| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial portions |
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| 16 | * of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
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| 21 | * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
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| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
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| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
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| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | /** |
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| 29 | * \file Library that provides device enumeration and creation of |
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| 30 | * winsys/pipe_screen instances. |
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| 31 | */ |
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| 32 | |||
| 33 | #ifndef PIPE_LOADER_H |
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| 34 | #define PIPE_LOADER_H |
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| 35 | |||
| 36 | #include "pipe/p_compiler.h" |
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| 37 | |||
| 38 | #ifdef __cplusplus |
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| 39 | extern "C" { |
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| 40 | #endif |
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| 41 | |||
| 42 | struct pipe_screen; |
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| 43 | |||
| 44 | enum pipe_loader_device_type { |
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| 45 | PIPE_LOADER_DEVICE_SOFTWARE, |
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| 46 | PIPE_LOADER_DEVICE_PCI, |
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| 47 | NUM_PIPE_LOADER_DEVICE_TYPES |
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| 48 | }; |
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| 49 | |||
| 50 | /** |
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| 51 | * A device known to the pipe loader. |
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| 52 | */ |
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| 53 | struct pipe_loader_device { |
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| 54 | enum pipe_loader_device_type type; |
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| 55 | |||
| 56 | union { |
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| 57 | struct { |
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| 58 | int vendor_id; |
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| 59 | int chip_id; |
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| 60 | } pci; |
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| 61 | } u; /**< Discriminated by \a type */ |
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| 62 | |||
| 63 | const char *driver_name; |
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| 64 | const struct pipe_loader_ops *ops; |
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| 65 | }; |
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| 66 | |||
| 67 | /** |
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| 68 | * Get a list of known devices. |
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| 69 | * |
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| 70 | * \param devs Array that will be filled with pointers to the devices |
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| 71 | * available in the system. |
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| 72 | * \param ndev Maximum number of devices to return. |
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| 73 | * \return Number of devices available in the system. |
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| 74 | */ |
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| 75 | int |
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| 76 | pipe_loader_probe(struct pipe_loader_device **devs, int ndev); |
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| 77 | |||
| 78 | /** |
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| 79 | * Create a pipe_screen for the specified device. |
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| 80 | * |
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| 81 | * \param dev Device the screen will be created for. |
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| 82 | * \param library_paths Colon-separated list of filesystem paths that |
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| 83 | * will be used to look for the pipe driver |
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| 84 | * module that handles this device. |
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| 85 | */ |
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| 86 | struct pipe_screen * |
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| 87 | pipe_loader_create_screen(struct pipe_loader_device *dev, |
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| 88 | const char *library_paths); |
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| 89 | |||
| 90 | /** |
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| 91 | * Release resources allocated for a list of devices. |
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| 92 | * |
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| 93 | * Should be called when the specified devices are no longer in use to |
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| 94 | * release any resources allocated by pipe_loader_probe. |
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| 95 | * |
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| 96 | * \param devs Devices to release. |
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| 97 | * \param ndev Number of devices to release. |
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| 98 | */ |
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| 99 | void |
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| 100 | pipe_loader_release(struct pipe_loader_device **devs, int ndev); |
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| 101 | |||
| 102 | /** |
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| 103 | * Get a list of known software devices. |
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| 104 | * |
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| 105 | * This function is platform-specific. |
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| 106 | * |
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| 107 | * \sa pipe_loader_probe |
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| 108 | */ |
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| 109 | int |
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| 110 | pipe_loader_sw_probe(struct pipe_loader_device **devs, int ndev); |
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| 111 | |||
| 112 | #ifdef HAVE_PIPE_LOADER_DRM |
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| 113 | |||
| 114 | /** |
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| 115 | * Get a list of known DRM devices. |
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| 116 | * |
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| 117 | * This function is platform-specific. |
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| 118 | * |
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| 119 | * \sa pipe_loader_probe |
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| 120 | */ |
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| 121 | int |
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| 122 | pipe_loader_drm_probe(struct pipe_loader_device **devs, int ndev); |
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| 123 | |||
| 124 | /** |
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| 125 | * Initialize a DRM device in an already opened fd. |
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| 126 | * |
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| 127 | * This function is platform-specific. |
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| 128 | * |
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| 129 | * \sa pipe_loader_probe |
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| 130 | */ |
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| 131 | boolean |
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| 132 | pipe_loader_drm_probe_fd(struct pipe_loader_device **dev, int fd); |
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| 133 | |||
| 134 | #endif |
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| 135 | |||
| 136 | #ifdef __cplusplus |
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| 137 | } |
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| 138 | #endif |
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| 139 | |||
| 140 | #endif /* PIPE_LOADER_H */ |