gma500: Medfield support

This large patch adds all the basics for Medfield support. Lots of clean up
needed in this area still.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 135 insertions, 0 deletions

diff --git a/drivers/staging/gma500/mdfld_output.c b/drivers/staging/gma500/mdfld_output.c
new file mode 100644
index 0000000..b1fc765
--- /dev/null
+++ b/drivers/staging/gma500/mdfld_output.c
@@ -0,0 +1,135 @@
+/*
+ * Copyright (c)  2010 Intel Corporation
+ *
+ * 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, sublicensen
+ * 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:
+ * Thomas Eaton <thomas.g.eaton@intel.com>
+ * Scott Rowe <scott.m.rowe@intel.com>
+*/
+
+#include <linux/init.h>
+#include "mdfld_dsi_dbi.h"
+#include "mdfld_dsi_dpi.h"
+#include "mdfld_dsi_output.h"
+#include "mdfld_output.h"
+
+#include "displays/tpo_cmd.h"
+#include "displays/tpo_vid.h"
+#include "displays/tmd_cmd.h"
+#include "displays/tmd_vid.h"
+#include "displays/pyr_cmd.h"
+#include "displays/pyr_vid.h"
+/* #include "displays/hdmi.h" */
+
+/* For now a single type per device is all we cope with */
+int mdfld_get_panel_type(struct drm_device *dev, int pipe)
+{
+	struct drm_psb_private *dev_priv = dev->dev_private;
+	return dev_priv->panel_id;
+}
+
+int mdfld_panel_dpi(struct drm_device *dev)
+{
+	struct drm_psb_private *dev_priv = dev->dev_private;
+
+	switch (dev_priv->panel_id) {
+	case TMD_VID:
+	case TPO_VID:
+	case PYR_VID:
+		return true;
+	case TMD_CMD:
+	case TPO_CMD:
+	case PYR_CMD:
+	default:
+		return false;
+	}
+}
+
+static void init_panel(struct drm_device *dev, int mipi_pipe, int p_type)
+{
+	struct panel_funcs *p_cmd_funcs;
+	struct panel_funcs *p_vid_funcs;
+
+	/* Oh boy ... FIXME */
+	p_cmd_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL);
+	p_vid_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL);
+
+	switch (p_type) {
+	case TPO_CMD:
+		tpo_cmd_init(dev, p_cmd_funcs);
+		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
+		break;
+	case TPO_VID:
+		tpo_vid_init(dev, p_vid_funcs);
+		mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
+		break;
+	case TMD_CMD:
+		/*tmd_cmd_init(dev, p_cmd_funcs); */
+		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
+		break;
+	case TMD_VID:
+		tmd_vid_init(dev, p_vid_funcs);
+		mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
+		break;
+	case PYR_CMD:
+		pyr_cmd_init(dev, p_cmd_funcs);
+		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
+		break;
+	case PYR_VID:
+		/*pyr_vid_init(dev, p_vid_funcs); */
+		mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
+		break;
+	case TPO:	/* TPO panel supports both cmd & vid interfaces */
+		tpo_cmd_init(dev, p_cmd_funcs);
+		tpo_vid_init(dev, p_vid_funcs);
+		mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs,
+				      p_vid_funcs);
+		break;
+	case TMD:
+		break;
+	case PYR:
+		break;
+#if 0
+	case HDMI:
+		dev_dbg(dev->dev, "Initializing HDMI");
+		mdfld_hdmi_init(dev, &dev_priv->mode_dev);
+		break;
+#endif
+	default:
+		dev_err(dev->dev, "Unsupported interface %d", p_type);
+		break;
+	}
+}
+
+void mdfld_output_init(struct drm_device *dev)
+{
+	int type;
+
+	/* MIPI panel 1 */
+	type = mdfld_get_panel_type(dev, 0);
+	dev_info(dev->dev, "panel 1: type is %d\n", type);
+	init_panel(dev, 0, type);
+
+	/* MIPI panel 2 */
+	type = mdfld_get_panel_type(dev, 2);
+	dev_info(dev->dev, "panel 2: type is %d\n", type);
+	init_panel(dev, 2, type);
+}