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 "drmP.h" 28#include "drm_mode.h" 29 30#define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO) 31#include "nouveau_reg.h" 32#include "nouveau_drv.h" 33#include "nouveau_crtc.h" 34#include "nv50_display.h" 35 36static void 37nv50_cursor_show(struct nouveau_crtc *nv_crtc, bool update) 38{ 39 struct drm_nouveau_private *dev_priv = nv_crtc->base.dev->dev_private; 40 struct nouveau_channel *evo = dev_priv->evo; 41 struct drm_device *dev = nv_crtc->base.dev; 42 int ret; 43 44 NV_DEBUG_KMS(dev, "\n"); 45 46 if (update && nv_crtc->cursor.visible) 47 return; 48 49 ret = RING_SPACE(evo, (dev_priv->chipset != 0x50 ? 5 : 3) + update * 2); 50 if (ret) { 51 NV_ERROR(dev, "no space while unhiding cursor\n"); 52 return; 53 } 54 55 if (dev_priv->chipset != 0x50) { 56 BEGIN_RING(evo, 0, NV84_EVO_CRTC(nv_crtc->index, CURSOR_DMA), 1); 57 OUT_RING(evo, NvEvoVRAM); 58 } 59 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CURSOR_CTRL), 2); 60 OUT_RING(evo, NV50_EVO_CRTC_CURSOR_CTRL_SHOW); 61 OUT_RING(evo, nv_crtc->cursor.offset >> 8); 62 63 if (update) { 64 BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); 65 OUT_RING(evo, 0); 66 FIRE_RING(evo); 67 nv_crtc->cursor.visible = true; 68 } 69} 70 71static void 72nv50_cursor_hide(struct nouveau_crtc *nv_crtc, bool update) 73{ 74 struct drm_nouveau_private *dev_priv = nv_crtc->base.dev->dev_private; 75 struct nouveau_channel *evo = dev_priv->evo; 76 struct drm_device *dev = nv_crtc->base.dev; 77 int ret; 78 79 NV_DEBUG_KMS(dev, "\n"); 80 81 if (update && !nv_crtc->cursor.visible) 82 return; 83 84 ret = RING_SPACE(evo, (dev_priv->chipset != 0x50 ? 5 : 3) + update * 2); 85 if (ret) { 86 NV_ERROR(dev, "no space while hiding cursor\n"); 87 return; 88 } 89 BEGIN_RING(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CURSOR_CTRL), 2); 90 OUT_RING(evo, NV50_EVO_CRTC_CURSOR_CTRL_HIDE); 91 OUT_RING(evo, 0); 92 if (dev_priv->chipset != 0x50) { 93 BEGIN_RING(evo, 0, NV84_EVO_CRTC(nv_crtc->index, CURSOR_DMA), 1); 94 OUT_RING(evo, NV84_EVO_CRTC_CURSOR_DMA_HANDLE_NONE); 95 } 96 97 if (update) { 98 BEGIN_RING(evo, 0, NV50_EVO_UPDATE, 1); 99 OUT_RING(evo, 0); 100 FIRE_RING(evo); 101 nv_crtc->cursor.visible = false; 102 } 103} 104 105static void 106nv50_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y) 107{ 108 struct drm_device *dev = nv_crtc->base.dev; 109 110 nv_crtc->cursor_saved_x = x; nv_crtc->cursor_saved_y = y; 111 nv_wr32(dev, NV50_PDISPLAY_CURSOR_USER_POS(nv_crtc->index), 112 ((y & 0xFFFF) << 16) | (x & 0xFFFF)); 113 /* Needed to make the cursor move. */ 114 nv_wr32(dev, NV50_PDISPLAY_CURSOR_USER_POS_CTRL(nv_crtc->index), 0); 115} 116 117static void 118nv50_cursor_set_offset(struct nouveau_crtc *nv_crtc, uint32_t offset) 119{ 120 NV_DEBUG_KMS(nv_crtc->base.dev, "\n"); 121 if (offset == nv_crtc->cursor.offset) 122 return; 123 124 nv_crtc->cursor.offset = offset; 125 if (nv_crtc->cursor.visible) { 126 nv_crtc->cursor.visible = false; 127 nv_crtc->cursor.show(nv_crtc, true); 128 } 129} 130 131int 132nv50_cursor_init(struct nouveau_crtc *nv_crtc) 133{ 134 nv_crtc->cursor.set_offset = nv50_cursor_set_offset; 135 nv_crtc->cursor.set_pos = nv50_cursor_set_pos; 136 nv_crtc->cursor.hide = nv50_cursor_hide; 137 nv_crtc->cursor.show = nv50_cursor_show; 138 return 0; 139} 140 141void 142nv50_cursor_fini(struct nouveau_crtc *nv_crtc) 143{ 144 struct drm_device *dev = nv_crtc->base.dev; 145 int idx = nv_crtc->index; 146 147 NV_DEBUG_KMS(dev, "\n"); 148 149 nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(idx), 0); 150 if (!nv_wait(NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(idx), 151 NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS, 0)) { 152 NV_ERROR(dev, "timeout: CURSOR_CTRL2_STATUS == 0\n"); 153 NV_ERROR(dev, "CURSOR_CTRL2 = 0x%08x\n", 154 nv_rd32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(idx))); 155 } 156} 157