Hans de Goede | dd55d44 | 2017-07-06 16:06:01 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006-2017 Oracle Corporation |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 20 | * OTHER DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #include "vbox_drv.h" |
| 24 | #include "vbox_err.h" |
| 25 | #include "vboxvideo_guest.h" |
| 26 | #include "vboxvideo_vbe.h" |
| 27 | #include "hgsmi_channels.h" |
| 28 | |
| 29 | /** |
| 30 | * Set a video mode via an HGSMI request. The views must have been |
| 31 | * initialised first using @a VBoxHGSMISendViewInfo and if the mode is being |
| 32 | * set on the first display then it must be set first using registers. |
| 33 | * @param ctx The context containing the heap to use |
| 34 | * @param display The screen number |
| 35 | * @param origin_x The horizontal displacement relative to the first scrn |
| 36 | * @param origin_y The vertical displacement relative to the first screen |
| 37 | * @param start_offset The offset of the visible area of the framebuffer |
| 38 | * relative to the framebuffer start |
| 39 | * @param pitch The offset in bytes between the starts of two adjecent |
| 40 | * scan lines in video RAM |
| 41 | * @param width The mode width |
| 42 | * @param height The mode height |
| 43 | * @param bpp The colour depth of the mode |
| 44 | * @param flags Flags |
| 45 | */ |
| 46 | void hgsmi_process_display_info(struct gen_pool *ctx, u32 display, |
| 47 | s32 origin_x, s32 origin_y, u32 start_offset, |
| 48 | u32 pitch, u32 width, u32 height, |
| 49 | u16 bpp, u16 flags) |
| 50 | { |
| 51 | struct vbva_infoscreen *p; |
| 52 | |
| 53 | p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, |
| 54 | VBVA_INFO_SCREEN); |
| 55 | if (!p) |
| 56 | return; |
| 57 | |
| 58 | p->view_index = display; |
| 59 | p->origin_x = origin_x; |
| 60 | p->origin_y = origin_y; |
| 61 | p->start_offset = start_offset; |
| 62 | p->line_size = pitch; |
| 63 | p->width = width; |
| 64 | p->height = height; |
| 65 | p->bits_per_pixel = bpp; |
| 66 | p->flags = flags; |
| 67 | |
| 68 | hgsmi_buffer_submit(ctx, p); |
| 69 | hgsmi_buffer_free(ctx, p); |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Report the rectangle relative to which absolute pointer events should be |
| 74 | * expressed. This information remains valid until the next VBVA resize event |
| 75 | * for any screen, at which time it is reset to the bounding rectangle of all |
| 76 | * virtual screens. |
| 77 | * @param ctx The context containing the heap to use. |
| 78 | * @param origin_x Upper left X co-ordinate relative to the first screen. |
| 79 | * @param origin_y Upper left Y co-ordinate relative to the first screen. |
| 80 | * @param width Rectangle width. |
| 81 | * @param height Rectangle height. |
| 82 | * @returns 0 on success, -errno on failure |
| 83 | */ |
| 84 | int hgsmi_update_input_mapping(struct gen_pool *ctx, s32 origin_x, s32 origin_y, |
| 85 | u32 width, u32 height) |
| 86 | { |
| 87 | struct vbva_report_input_mapping *p; |
| 88 | |
| 89 | p = hgsmi_buffer_alloc(ctx, sizeof(*p), HGSMI_CH_VBVA, |
| 90 | VBVA_REPORT_INPUT_MAPPING); |
| 91 | if (!p) |
| 92 | return -ENOMEM; |
| 93 | |
| 94 | p->x = origin_x; |
| 95 | p->y = origin_y; |
| 96 | p->cx = width; |
| 97 | p->cy = height; |
| 98 | |
| 99 | hgsmi_buffer_submit(ctx, p); |
| 100 | hgsmi_buffer_free(ctx, p); |
| 101 | |
| 102 | return 0; |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * Get most recent video mode hints. |
| 107 | * @param ctx The context containing the heap to use. |
| 108 | * @param screens The number of screens to query hints for, starting at 0. |
| 109 | * @param hints Array of vbva_modehint structures for receiving the hints. |
| 110 | * @returns 0 on success, -errno on failure |
| 111 | */ |
| 112 | int hgsmi_get_mode_hints(struct gen_pool *ctx, unsigned int screens, |
| 113 | struct vbva_modehint *hints) |
| 114 | { |
| 115 | struct vbva_query_mode_hints *p; |
| 116 | size_t size; |
| 117 | |
| 118 | if (WARN_ON(!hints)) |
| 119 | return -EINVAL; |
| 120 | |
| 121 | size = screens * sizeof(struct vbva_modehint); |
| 122 | p = hgsmi_buffer_alloc(ctx, sizeof(*p) + size, HGSMI_CH_VBVA, |
| 123 | VBVA_QUERY_MODE_HINTS); |
| 124 | if (!p) |
| 125 | return -ENOMEM; |
| 126 | |
| 127 | p->hints_queried_count = screens; |
| 128 | p->hint_structure_guest_size = sizeof(struct vbva_modehint); |
| 129 | p->rc = VERR_NOT_SUPPORTED; |
| 130 | |
| 131 | hgsmi_buffer_submit(ctx, p); |
| 132 | |
| 133 | if (RT_FAILURE(p->rc)) { |
| 134 | hgsmi_buffer_free(ctx, p); |
| 135 | return -EIO; |
| 136 | } |
| 137 | |
| 138 | memcpy(hints, ((u8 *)p) + sizeof(struct vbva_query_mode_hints), size); |
| 139 | hgsmi_buffer_free(ctx, p); |
| 140 | |
| 141 | return 0; |
| 142 | } |