| 1 | /* |
| 2 | * Copyright (C) 2008 Maarten Maathuis. |
| 3 | * All Rights Reserved. |
| 4 | * |
| 5 | * Permission is hereby granted, free of charge, to any person obtaining |
| 6 | * a copy of this software and associated documentation files (the |
| 7 | * "Software"), to deal in the Software without restriction, including |
| 8 | * without limitation the rights to use, copy, modify, merge, publish, |
| 9 | * distribute, sublicense, and/or sell copies of the Software, and to |
| 10 | * permit persons to whom the Software is furnished to do so, subject to |
| 11 | * the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice (including the |
| 14 | * next paragraph) shall be included in all copies or substantial |
| 15 | * portions of the Software. |
| 16 | * |
| 17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 18 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 20 | * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE |
| 21 | * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
| 22 | * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
| 23 | * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 24 | * |
| 25 | */ |
| 26 | |
| 27 | #include <drm/drmP.h> |
| 28 | |
| 29 | #include "nouveau_drm.h" |
| 30 | #include "nouveau_dma.h" |
| 31 | #include "nouveau_crtc.h" |
| 32 | #include "nv50_display.h" |
| 33 | |
| 34 | static void |
| 35 | nv50_cursor_show(struct nouveau_crtc *nv_crtc, bool update) |
| 36 | { |
| 37 | struct drm_device *dev = nv_crtc->base.dev; |
| 38 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 39 | struct nouveau_channel *evo = nv50_display(dev)->master; |
| 40 | int ret; |
| 41 | |
| 42 | NV_DEBUG(drm, "\n"); |
| 43 | |
| 44 | if (update && nv_crtc->cursor.visible) |
| 45 | return; |
| 46 | |
| 47 | ret = RING_SPACE(evo, (nv_device(drm->device)->chipset != 0x50 ? 5 : 3) + update * 2); |
| 48 | if (ret) { |
| 49 | NV_ERROR(drm, "no space while unhiding cursor\n"); |
| 50 | return; |
| 51 | } |
| 52 | |
| 53 | if (nv_device(drm->device)->chipset != 0x50) { |
| 54 | BEGIN_NV04(evo, 0, NV84_EVO_CRTC(nv_crtc->index, CURSOR_DMA), 1); |
| 55 | OUT_RING(evo, NvEvoVRAM); |
| 56 | } |
| 57 | BEGIN_NV04(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CURSOR_CTRL), 2); |
| 58 | OUT_RING(evo, NV50_EVO_CRTC_CURSOR_CTRL_SHOW); |
| 59 | OUT_RING(evo, nv_crtc->cursor.offset >> 8); |
| 60 | |
| 61 | if (update) { |
| 62 | BEGIN_NV04(evo, 0, NV50_EVO_UPDATE, 1); |
| 63 | OUT_RING(evo, 0); |
| 64 | FIRE_RING(evo); |
| 65 | nv_crtc->cursor.visible = true; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | static void |
| 70 | nv50_cursor_hide(struct nouveau_crtc *nv_crtc, bool update) |
| 71 | { |
| 72 | struct drm_device *dev = nv_crtc->base.dev; |
| 73 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 74 | struct nouveau_channel *evo = nv50_display(dev)->master; |
| 75 | int ret; |
| 76 | |
| 77 | NV_DEBUG(drm, "\n"); |
| 78 | |
| 79 | if (update && !nv_crtc->cursor.visible) |
| 80 | return; |
| 81 | |
| 82 | ret = RING_SPACE(evo, (nv_device(drm->device)->chipset != 0x50 ? 5 : 3) + update * 2); |
| 83 | if (ret) { |
| 84 | NV_ERROR(drm, "no space while hiding cursor\n"); |
| 85 | return; |
| 86 | } |
| 87 | BEGIN_NV04(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CURSOR_CTRL), 2); |
| 88 | OUT_RING(evo, NV50_EVO_CRTC_CURSOR_CTRL_HIDE); |
| 89 | OUT_RING(evo, 0); |
| 90 | if (nv_device(drm->device)->chipset != 0x50) { |
| 91 | BEGIN_NV04(evo, 0, NV84_EVO_CRTC(nv_crtc->index, CURSOR_DMA), 1); |
| 92 | OUT_RING(evo, NV84_EVO_CRTC_CURSOR_DMA_HANDLE_NONE); |
| 93 | } |
| 94 | |
| 95 | if (update) { |
| 96 | BEGIN_NV04(evo, 0, NV50_EVO_UPDATE, 1); |
| 97 | OUT_RING(evo, 0); |
| 98 | FIRE_RING(evo); |
| 99 | nv_crtc->cursor.visible = false; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | static void |
| 104 | nv50_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y) |
| 105 | { |
| 106 | struct nouveau_device *device = nouveau_dev(nv_crtc->base.dev); |
| 107 | |
| 108 | nv_crtc->cursor_saved_x = x; nv_crtc->cursor_saved_y = y; |
| 109 | nv_wr32(device, NV50_PDISPLAY_CURSOR_USER_POS(nv_crtc->index), |
| 110 | ((y & 0xFFFF) << 16) | (x & 0xFFFF)); |
| 111 | /* Needed to make the cursor move. */ |
| 112 | nv_wr32(device, NV50_PDISPLAY_CURSOR_USER_POS_CTRL(nv_crtc->index), 0); |
| 113 | } |
| 114 | |
| 115 | static void |
| 116 | nv50_cursor_set_offset(struct nouveau_crtc *nv_crtc, uint32_t offset) |
| 117 | { |
| 118 | if (offset == nv_crtc->cursor.offset) |
| 119 | return; |
| 120 | |
| 121 | nv_crtc->cursor.offset = offset; |
| 122 | if (nv_crtc->cursor.visible) { |
| 123 | nv_crtc->cursor.visible = false; |
| 124 | nv_crtc->cursor.show(nv_crtc, true); |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | int |
| 129 | nv50_cursor_init(struct nouveau_crtc *nv_crtc) |
| 130 | { |
| 131 | nv_crtc->cursor.set_offset = nv50_cursor_set_offset; |
| 132 | nv_crtc->cursor.set_pos = nv50_cursor_set_pos; |
| 133 | nv_crtc->cursor.hide = nv50_cursor_hide; |
| 134 | nv_crtc->cursor.show = nv50_cursor_show; |
| 135 | return 0; |
| 136 | } |