diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nv50_cursor.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_cursor.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nv50_cursor.c b/drivers/gpu/drm/nouveau/nv50_cursor.c new file mode 100644 index 00000000000..e2e79a8f220 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nv50_cursor.c @@ -0,0 +1,156 @@ +/* + * 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_nouveau_private *dev_priv = nv_crtc->base.dev->dev_private; + struct nouveau_channel *evo = dev_priv->evo; + struct drm_device *dev = nv_crtc->base.dev; + int ret; + + NV_DEBUG(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_nouveau_private *dev_priv = nv_crtc->base.dev->dev_private; + struct nouveau_channel *evo = dev_priv->evo; + struct drm_device *dev = nv_crtc->base.dev; + int ret; + + NV_DEBUG(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_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(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; +} + +void +nv50_cursor_fini(struct nouveau_crtc *nv_crtc) +{ + struct drm_device *dev = nv_crtc->base.dev; + int idx = nv_crtc->index; + + NV_DEBUG(dev, "\n"); + + nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(idx), 0); + if (!nv_wait(NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(idx), + NV50_PDISPLAY_CURSOR_CURSOR_CTRL2_STATUS, 0)) { + NV_ERROR(dev, "timeout: CURSOR_CTRL2_STATUS == 0\n"); + NV_ERROR(dev, "CURSOR_CTRL2 = 0x%08x\n", + nv_rd32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(idx))); + } +} + |