1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
new file mode 100644
index 00000000000..cc7b4f3070d
--- /dev/null
+++ b/arch/arm/mach-omap2/display.c
@@ -0,0 +1,103 @@
+/*
+ * OMAP2plus display device setup / initialization.
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ *	Senthilvadivu Guruswamy
+ *	Sumit Semwal
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+#include <plat/display.h>
+#include <plat/omap_hwmod.h>
+#include <plat/omap_device.h>
+
+static struct platform_device omap_display_device = {
+	.name          = "omap_display",
+	.id            = -1,
+	.dev            = {
+		.platform_data = NULL,
+	},
+};
+
+static struct omap_device_pm_latency omap_dss_latency[] = {
+	[0] = {
+		.deactivate_func        = omap_device_idle_hwmods,
+		.activate_func          = omap_device_enable_hwmods,
+		.flags			= OMAP_DEVICE_LATENCY_AUTO_ADJUST,
+	},
+};
+
+int __init omap_display_init(struct omap_dss_board_info
+					*board_data)
+{
+	int r = 0;
+	struct omap_hwmod *oh;
+	struct omap_device *od;
+	int i;
+	struct omap_display_platform_data pdata;
+
+	/*
+	 * omap: valid DSS hwmod names
+	 * omap2,3,4: dss_core, dss_dispc, dss_rfbi, dss_venc
+	 * omap3,4: dss_dsi1
+	 * omap4: dss_dsi2, dss_hdmi
+	 */
+	char *oh_name[] = {"dss_core", "dss_dispc", "dss_rfbi", "dss_venc", "dss_dsi1",
+				"dss_dsi2", "dss_hdmi"};
+	char *dev_name[] = {"omap_dss", "omap_dispc", "omap_rfbi", "omap_venc", "omap_dsi1",
+				"omap_dsi2", "omap_hdmi"};
+	int oh_count;
+
+	memset(&pdata, 0, sizeof(pdata));
+
+	if (cpu_is_omap24xx())
+		oh_count = ARRAY_SIZE(oh_name) - 3;
+		/* last 3 hwmod dev in oh_name are not available for omap2 */
+	else if (cpu_is_omap44xx())
+		oh_count = ARRAY_SIZE(oh_name);
+	else
+		oh_count = ARRAY_SIZE(oh_name) - 2;
+		/* last 2 hwmod dev in oh_name are not available for omap3 */
+
+
+	pdata.board_data = board_data;
+	pdata.board_data->get_last_off_on_transaction_id = NULL;
+
+	for (i = 0; i < oh_count; i++) {
+		oh = omap_hwmod_lookup(oh_name[i]);
+		if (!oh) {
+			pr_err("Could not look up %s\n", oh_name[i]);
+			return -ENODEV;
+		}
+		od = omap_device_build(dev_name[i], -1, oh, &pdata,
+				sizeof(struct omap_display_platform_data),
+				omap_dss_latency,
+				ARRAY_SIZE(omap_dss_latency), 0);
+
+		if (WARN((IS_ERR(od)), "Could not build omap_device for %s\n",
+				oh_name[i]))
+			return -ENODEV;
+	}
+	omap_display_device.dev.platform_data = board_data;
+
+	r = platform_device_register(&omap_display_device);
+	if (r < 0)
+		printk(KERN_ERR "Unable to register OMAP-Display device\n");
+
+	return r;
+}