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140 lines
4.1 KiB
C
140 lines
4.1 KiB
C
/*
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* Copyright (C) 2008 Maarten Maathuis.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "drmP.h"
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#include "drm_mode.h"
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#define NOUVEAU_DMA_DEBUG (nouveau_reg_debug & NOUVEAU_REG_DEBUG_EVO)
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#include "nouveau_reg.h"
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#include "nouveau_drv.h"
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#include "nouveau_crtc.h"
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#include "nv50_display.h"
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static void
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nv50_cursor_show(struct nouveau_crtc *nv_crtc, bool update)
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{
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struct drm_device *dev = nv_crtc->base.dev;
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_channel *evo = nv50_display(dev)->master;
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int ret;
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NV_DEBUG_KMS(dev, "\n");
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if (update && nv_crtc->cursor.visible)
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return;
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ret = RING_SPACE(evo, (dev_priv->chipset != 0x50 ? 5 : 3) + update * 2);
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if (ret) {
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NV_ERROR(dev, "no space while unhiding cursor\n");
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return;
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}
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if (dev_priv->chipset != 0x50) {
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BEGIN_NV04(evo, 0, NV84_EVO_CRTC(nv_crtc->index, CURSOR_DMA), 1);
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OUT_RING(evo, NvEvoVRAM);
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}
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BEGIN_NV04(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CURSOR_CTRL), 2);
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OUT_RING(evo, NV50_EVO_CRTC_CURSOR_CTRL_SHOW);
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OUT_RING(evo, nv_crtc->cursor.offset >> 8);
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if (update) {
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BEGIN_NV04(evo, 0, NV50_EVO_UPDATE, 1);
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OUT_RING(evo, 0);
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FIRE_RING(evo);
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nv_crtc->cursor.visible = true;
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}
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}
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static void
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nv50_cursor_hide(struct nouveau_crtc *nv_crtc, bool update)
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{
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struct drm_device *dev = nv_crtc->base.dev;
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_channel *evo = nv50_display(dev)->master;
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int ret;
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NV_DEBUG_KMS(dev, "\n");
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if (update && !nv_crtc->cursor.visible)
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return;
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ret = RING_SPACE(evo, (dev_priv->chipset != 0x50 ? 5 : 3) + update * 2);
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if (ret) {
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NV_ERROR(dev, "no space while hiding cursor\n");
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return;
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}
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BEGIN_NV04(evo, 0, NV50_EVO_CRTC(nv_crtc->index, CURSOR_CTRL), 2);
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OUT_RING(evo, NV50_EVO_CRTC_CURSOR_CTRL_HIDE);
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OUT_RING(evo, 0);
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if (dev_priv->chipset != 0x50) {
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BEGIN_NV04(evo, 0, NV84_EVO_CRTC(nv_crtc->index, CURSOR_DMA), 1);
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OUT_RING(evo, NV84_EVO_CRTC_CURSOR_DMA_HANDLE_NONE);
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}
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if (update) {
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BEGIN_NV04(evo, 0, NV50_EVO_UPDATE, 1);
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OUT_RING(evo, 0);
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FIRE_RING(evo);
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nv_crtc->cursor.visible = false;
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}
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}
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static void
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nv50_cursor_set_pos(struct nouveau_crtc *nv_crtc, int x, int y)
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{
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struct drm_device *dev = nv_crtc->base.dev;
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nv_crtc->cursor_saved_x = x; nv_crtc->cursor_saved_y = y;
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nv_wr32(dev, NV50_PDISPLAY_CURSOR_USER_POS(nv_crtc->index),
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((y & 0xFFFF) << 16) | (x & 0xFFFF));
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/* Needed to make the cursor move. */
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nv_wr32(dev, NV50_PDISPLAY_CURSOR_USER_POS_CTRL(nv_crtc->index), 0);
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}
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static void
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nv50_cursor_set_offset(struct nouveau_crtc *nv_crtc, uint32_t offset)
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{
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NV_DEBUG_KMS(nv_crtc->base.dev, "\n");
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if (offset == nv_crtc->cursor.offset)
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return;
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nv_crtc->cursor.offset = offset;
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if (nv_crtc->cursor.visible) {
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nv_crtc->cursor.visible = false;
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nv_crtc->cursor.show(nv_crtc, true);
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}
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}
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int
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nv50_cursor_init(struct nouveau_crtc *nv_crtc)
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{
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nv_crtc->cursor.set_offset = nv50_cursor_set_offset;
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nv_crtc->cursor.set_pos = nv50_cursor_set_pos;
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nv_crtc->cursor.hide = nv50_cursor_hide;
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nv_crtc->cursor.show = nv50_cursor_show;
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return 0;
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}
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