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