1 files changed, 133 insertions, 0 deletions
diff --git a/freedreno/msm/msm_pipe.c b/freedreno/msm/msm_pipe.c
new file mode 100644
index 00000000..ece4de5a
--- /dev/null
+++ b/freedreno/msm/msm_pipe.c
@@ -0,0 +1,133 @@
+/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
+
+/*
+ * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
+ *
+ * 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 AUTHORS OR COPYRIGHT HOLDERS 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.
+ *
+ * Authors:
+ *    Rob Clark <robclark@freedesktop.org>
+ */
+
+#include "msm_priv.h"
+
+
+static int msm_pipe_get_param(struct fd_pipe *pipe,
+		enum fd_param_id param, uint64_t *value)
+{
+	struct msm_pipe *msm_pipe = to_msm_pipe(pipe);
+	switch(param) {
+	case FD_DEVICE_ID: // XXX probably get rid of this..
+	case FD_GPU_ID:
+		*value = msm_pipe->gpu_id;
+		return 0;
+	case FD_GMEM_SIZE:
+		*value = msm_pipe->gmem;
+		return 0;
+	default:
+		ERROR_MSG("invalid param id: %d", param);
+		return -1;
+	}
+}
+
+static int msm_pipe_wait(struct fd_pipe *pipe, uint32_t timestamp)
+{
+	struct fd_device *dev = pipe->dev;
+	struct drm_msm_wait_fence req = {
+			.fence = timestamp,
+	};
+	int ret;
+
+	get_abs_timeout(&req.timeout, 5000);
+
+	ret = drmCommandWrite(dev->fd, DRM_MSM_WAIT_FENCE, &req, sizeof(req));
+	if (ret) {
+		ERROR_MSG("wait-fence failed! %d (%s)", ret, strerror(errno));
+		return ret;
+	}
+
+	return 0;
+}
+
+static void msm_pipe_destroy(struct fd_pipe *pipe)
+{
+	struct msm_pipe *msm_pipe = to_msm_pipe(pipe);
+	free(msm_pipe);
+}
+
+static struct fd_pipe_funcs funcs = {
+		.ringbuffer_new = msm_ringbuffer_new,
+		.get_param = msm_pipe_get_param,
+		.wait = msm_pipe_wait,
+		.destroy = msm_pipe_destroy,
+};
+
+static uint64_t get_param(struct fd_device *dev, uint32_t pipe, uint32_t param)
+{
+	struct drm_msm_param req = {
+			.pipe = pipe,
+			.param = param,
+	};
+	int ret;
+
+	ret = drmCommandWriteRead(dev->fd, DRM_MSM_GET_PARAM, &req, sizeof(req));
+	if (ret) {
+		ERROR_MSG("get-param failed! %d (%s)", ret, strerror(errno));
+		return 0;
+	}
+
+	return req.value;
+}
+
+struct fd_pipe * msm_pipe_new(struct fd_device *dev, enum fd_pipe_id id)
+{
+	static const uint32_t pipe_id[] = {
+			[FD_PIPE_3D] = MSM_PIPE_3D0,
+			[FD_PIPE_2D] = MSM_PIPE_2D0,
+	};
+	struct msm_pipe *msm_pipe = NULL;
+	struct fd_pipe *pipe = NULL;
+
+	msm_pipe = calloc(1, sizeof(*msm_pipe));
+	if (!msm_pipe) {
+		ERROR_MSG("allocation failed");
+		goto fail;
+	}
+
+	pipe = &msm_pipe->base;
+	pipe->funcs = &funcs;
+
+	msm_pipe->pipe = pipe_id[id];
+	msm_pipe->gpu_id = get_param(dev, pipe_id[id], MSM_PARAM_GPU_ID);
+	msm_pipe->gmem   = get_param(dev, pipe_id[id], MSM_PARAM_GMEM_SIZE);
+
+	if (! msm_pipe->gpu_id)
+		goto fail;
+
+	INFO_MSG("Pipe Info:");
+	INFO_MSG(" GPU-id:          %d", msm_pipe->gpu_id);
+	INFO_MSG(" GMEM size:       0x%08x", msm_pipe->gmem);
+
+	return pipe;
+fail:
+	if (pipe)
+		fd_pipe_del(pipe);
+	return NULL;
+}