Added missing tegra files.HEADmaster

1 files changed, 157 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..9752c35bb84
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nv50_cursor.c
@@ -0,0 +1,157 @@
+/*
+ * 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;
+}
+
+void
+nv50_cursor_fini(struct nouveau_crtc *nv_crtc)
+{
+        struct drm_device *dev = nv_crtc->base.dev;
+        int idx = nv_crtc->index;
+
+        NV_DEBUG_KMS(dev, "\n");
+
+        nv_wr32(dev, NV50_PDISPLAY_CURSOR_CURSOR_CTRL2(idx), 0);
+        if (!nv_wait(dev, 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)));
+        }
+}
+