From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/arm/mach-omap2/dss-common.c | 251 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 251 insertions(+)
 create mode 100644 arch/arm/mach-omap2/dss-common.c

(limited to 'arch/arm/mach-omap2/dss-common.c')

diff --git a/arch/arm/mach-omap2/dss-common.c b/arch/arm/mach-omap2/dss-common.c
new file mode 100644
index 00000000..393aeefa
--- /dev/null
+++ b/arch/arm/mach-omap2/dss-common.c
@@ -0,0 +1,251 @@
+/*
+ * Copyright (C) 2012 Texas Instruments, Inc..
+ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
+ *
+ * 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 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 St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+/*
+ * NOTE: this is a transitional file to help with DT adaptation.
+ * This file will be removed when DSS supports DT.
+ */
+
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+
+#include <video/omapdss.h>
+#include <video/omap-panel-data.h>
+
+#include "soc.h"
+#include "dss-common.h"
+#include "mux.h"
+
+#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
+#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
+#define HDMI_GPIO_HPD  63 /* Hotplug detect */
+
+/* Display DVI */
+#define PANDA_DVI_TFP410_POWER_DOWN_GPIO	0
+
+/* Using generic display panel */
+static struct tfp410_platform_data omap4_dvi_panel = {
+	.i2c_bus_num		= 3,
+	.power_down_gpio	= PANDA_DVI_TFP410_POWER_DOWN_GPIO,
+};
+
+static struct omap_dss_device omap4_panda_dvi_device = {
+	.type			= OMAP_DISPLAY_TYPE_DPI,
+	.name			= "dvi",
+	.driver_name		= "tfp410",
+	.data			= &omap4_dvi_panel,
+	.phy.dpi.data_lines	= 24,
+	.channel		= OMAP_DSS_CHANNEL_LCD2,
+};
+
+static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
+	.ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD,
+	.ls_oe_gpio = HDMI_GPIO_LS_OE,
+	.hpd_gpio = HDMI_GPIO_HPD,
+};
+
+static struct omap_dss_device  omap4_panda_hdmi_device = {
+	.name = "hdmi",
+	.driver_name = "hdmi_panel",
+	.type = OMAP_DISPLAY_TYPE_HDMI,
+	.channel = OMAP_DSS_CHANNEL_DIGIT,
+	.data = &omap4_panda_hdmi_data,
+};
+
+static struct omap_dss_device *omap4_panda_dss_devices[] = {
+	&omap4_panda_dvi_device,
+	&omap4_panda_hdmi_device,
+};
+
+static struct omap_dss_board_info omap4_panda_dss_data = {
+	.num_devices	= ARRAY_SIZE(omap4_panda_dss_devices),
+	.devices	= omap4_panda_dss_devices,
+	.default_device	= &omap4_panda_dvi_device,
+};
+
+void __init omap4_panda_display_init(void)
+{
+	omap_display_init(&omap4_panda_dss_data);
+
+	/*
+	 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
+	 * later have external pull up on the HDMI I2C lines
+	 */
+	if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
+		omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
+	else
+		omap_hdmi_init(0);
+
+	omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
+	omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
+	omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
+}
+
+void __init omap4_panda_display_init_of(void)
+{
+	omap_display_init(&omap4_panda_dss_data);
+}
+
+
+/* OMAP4 Blaze display data */
+
+#define DISPLAY_SEL_GPIO	59	/* LCD2/PicoDLP switch */
+#define DLP_POWER_ON_GPIO	40
+
+static struct nokia_dsi_panel_data dsi1_panel = {
+		.name		= "taal",
+		.reset_gpio	= 102,
+		.use_ext_te	= false,
+		.ext_te_gpio	= 101,
+		.esd_interval	= 0,
+		.pin_config = {
+			.num_pins	= 6,
+			.pins		= { 0, 1, 2, 3, 4, 5 },
+		},
+};
+
+static struct omap_dss_device sdp4430_lcd_device = {
+	.name			= "lcd",
+	.driver_name		= "taal",
+	.type			= OMAP_DISPLAY_TYPE_DSI,
+	.data			= &dsi1_panel,
+	.phy.dsi		= {
+		.module		= 0,
+	},
+	.channel		= OMAP_DSS_CHANNEL_LCD,
+};
+
+static struct nokia_dsi_panel_data dsi2_panel = {
+		.name		= "taal",
+		.reset_gpio	= 104,
+		.use_ext_te	= false,
+		.ext_te_gpio	= 103,
+		.esd_interval	= 0,
+		.pin_config = {
+			.num_pins	= 6,
+			.pins		= { 0, 1, 2, 3, 4, 5 },
+		},
+};
+
+static struct omap_dss_device sdp4430_lcd2_device = {
+	.name			= "lcd2",
+	.driver_name		= "taal",
+	.type			= OMAP_DISPLAY_TYPE_DSI,
+	.data			= &dsi2_panel,
+	.phy.dsi		= {
+
+		.module		= 1,
+	},
+	.channel		= OMAP_DSS_CHANNEL_LCD2,
+};
+
+static struct omap_dss_hdmi_data sdp4430_hdmi_data = {
+	.ct_cp_hpd_gpio = HDMI_GPIO_CT_CP_HPD,
+	.ls_oe_gpio = HDMI_GPIO_LS_OE,
+	.hpd_gpio = HDMI_GPIO_HPD,
+};
+
+static struct omap_dss_device sdp4430_hdmi_device = {
+	.name = "hdmi",
+	.driver_name = "hdmi_panel",
+	.type = OMAP_DISPLAY_TYPE_HDMI,
+	.channel = OMAP_DSS_CHANNEL_DIGIT,
+	.data = &sdp4430_hdmi_data,
+};
+
+static struct picodlp_panel_data sdp4430_picodlp_pdata = {
+	.picodlp_adapter_id	= 2,
+	.emu_done_gpio		= 44,
+	.pwrgood_gpio		= 45,
+};
+
+static struct omap_dss_device sdp4430_picodlp_device = {
+	.name			= "picodlp",
+	.driver_name		= "picodlp_panel",
+	.type			= OMAP_DISPLAY_TYPE_DPI,
+	.phy.dpi.data_lines	= 24,
+	.channel		= OMAP_DSS_CHANNEL_LCD2,
+	.data			= &sdp4430_picodlp_pdata,
+};
+
+static struct omap_dss_device *sdp4430_dss_devices[] = {
+	&sdp4430_lcd_device,
+	&sdp4430_lcd2_device,
+	&sdp4430_hdmi_device,
+	&sdp4430_picodlp_device,
+};
+
+static struct omap_dss_board_info sdp4430_dss_data = {
+	.num_devices	= ARRAY_SIZE(sdp4430_dss_devices),
+	.devices	= sdp4430_dss_devices,
+	.default_device	= &sdp4430_lcd_device,
+};
+
+/*
+ * we select LCD2 by default (instead of Pico DLP) by setting DISPLAY_SEL_GPIO.
+ * Setting DLP_POWER_ON gpio enables the VDLP_2V5 VDLP_1V8 and VDLP_1V0 rails
+ * used by picodlp on the 4430sdp platform. Keep this gpio disabled as LCD2 is
+ * selected by default
+ */
+void __init omap_4430sdp_display_init(void)
+{
+	int r;
+
+	r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH,
+			"display_sel");
+	if (r)
+		pr_err("%s: Could not get display_sel GPIO\n", __func__);
+
+	r = gpio_request_one(DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW,
+		"DLP POWER ON");
+	if (r)
+		pr_err("%s: Could not get DLP POWER ON GPIO\n", __func__);
+
+	omap_display_init(&sdp4430_dss_data);
+	/*
+	 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
+	 * later have external pull up on the HDMI I2C lines
+	 */
+	if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
+		omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
+	else
+		omap_hdmi_init(0);
+
+	omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
+	omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
+	omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
+}
+
+void __init omap_4430sdp_display_init_of(void)
+{
+	int r;
+
+	r = gpio_request_one(DISPLAY_SEL_GPIO, GPIOF_OUT_INIT_HIGH,
+			"display_sel");
+	if (r)
+		pr_err("%s: Could not get display_sel GPIO\n", __func__);
+
+	r = gpio_request_one(DLP_POWER_ON_GPIO, GPIOF_OUT_INIT_LOW,
+		"DLP POWER ON");
+	if (r)
+		pr_err("%s: Could not get DLP POWER ON GPIO\n", __func__);
+
+	omap_display_init(&sdp4430_dss_data);
+}
-- 
cgit v1.3.1