1 files changed, 70 insertions, 0 deletions
diff --git a/drivers/video/tegra/host/t30/channel_t30.c b/drivers/video/tegra/host/t30/channel_t30.c
new file mode 100644
index 000000000000..6ec2f39c5711
--- /dev/null
+++ b/drivers/video/tegra/host/t30/channel_t30.c
@@ -0,0 +1,70 @@
+/*
+ * drivers/video/tegra/host/t30/channel_t30.c
+ *
+ * Tegra Graphics Host Channel
+ *
+ * Copyright (c) 2010-2011, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include "3dctx_t30.h"
+#include "../dev.h"
+#include "../t20/channel_t20.h"
+#include "../t20/hardware_t20.h"
+#include "../t20/t20.h"
+
+#define NVHOST_CHANNEL_BASE 0
+
+static inline int t30_nvhost_hwctx_handler_init(
+	struct nvhost_hwctx_handler *h,
+	const char *module)
+{
+	if (strcmp(module, "gr3d") == 0)
+		return t30_nvhost_3dctx_handler_init(h);
+
+	return 0;
+}
+
+static inline void __iomem *t30_channel_aperture(void __iomem *p, int ndx)
+{
+	ndx += NVHOST_CHANNEL_BASE;
+	p += NV_HOST1X_CHANNEL0_BASE;
+	p += ndx * NV_HOST1X_CHANNEL_MAP_SIZE_BYTES;
+	return p;
+}
+
+
+static int t30_channel_init(struct nvhost_channel *ch,
+			    struct nvhost_master *dev, int index)
+{
+	ch->dev = dev;
+	ch->chid = index;
+	ch->desc = nvhost_t20_channelmap + index;
+	mutex_init(&ch->reflock);
+	mutex_init(&ch->submitlock);
+
+	ch->aperture = t30_channel_aperture(dev->aperture, index);
+
+	return t30_nvhost_hwctx_handler_init(&ch->ctxhandler, ch->desc->name);
+}
+
+int nvhost_init_t30_channel_support(struct nvhost_master *host)
+{
+	int result = nvhost_init_t20_channel_support(host);
+	host->op.channel.init = t30_channel_init;
+
+	return result;
+}