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

---
 drivers/video/sprdfb/lcd/lcd_dummy.c | 104 +++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 drivers/video/sprdfb/lcd/lcd_dummy.c

(limited to 'drivers/video/sprdfb/lcd/lcd_dummy.c')

diff --git a/drivers/video/sprdfb/lcd/lcd_dummy.c b/drivers/video/sprdfb/lcd/lcd_dummy.c
new file mode 100644
index 00000000..6254daf5
--- /dev/null
+++ b/drivers/video/sprdfb/lcd/lcd_dummy.c
@@ -0,0 +1,104 @@
+/* drivers/video/sc8825/lcd_dummy.c
+ *
+ * Support for dummy LCD device
+ *
+ * Copyright (C) 2010 Spreadtrum
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/bug.h>
+#include <linux/delay.h>
+#include "../sprdfb_panel.h"
+
+static int32_t dummy_mipi_init(struct panel_spec *self)
+{
+	pr_debug(KERN_DEBUG "dummy_init\n");
+	return 0;
+}
+
+static uint32_t dummy_readid(struct panel_spec *self)
+{
+	printk("lcd_dummy read id!\n");
+	printk("lcd_dummy read id success!\n");
+	return 0xFFFFFFFF;
+}
+
+static int32_t dummy_enter_sleep(struct panel_spec *self, uint8_t is_sleep)
+{
+	printk(KERN_DEBUG "dummy_enter_sleep, is_sleep = %d\n", is_sleep);
+	return 0;
+}
+
+static int32_t dummy_check_esd(struct panel_spec *self)
+{
+	pr_debug("dummy_check_esd!\n");
+	pr_debug("dummy_check_esd OK!\n");
+	return 1;	
+}
+
+static struct panel_operations lcd_dummy_operations = {
+	.panel_init = dummy_mipi_init,
+	.panel_readid = dummy_readid,
+	.panel_enter_sleep = dummy_enter_sleep,
+	.panel_esd_check = dummy_check_esd,
+};
+
+static struct timing_rgb lcd_dummy_timing = {
+	.hfp = 20,  /* unit: pixel */
+	.hbp = 20,
+	.hsync = 20,//4,
+	.vfp = 10, /*unit: line*/
+	.vbp = 10,
+	.vsync = 6,
+};
+
+static struct info_mipi lcd_dummy_info = {
+	.work_mode  = SPRDFB_MIPI_MODE_VIDEO,
+	.video_bus_width = 24, /*18,16*/
+	.lan_number = 3,
+	.phy_feq = 500*1000,
+	.h_sync_pol = SPRDFB_POLARITY_POS,
+	.v_sync_pol = SPRDFB_POLARITY_POS,
+	.de_pol = SPRDFB_POLARITY_POS,
+	.te_pol = SPRDFB_POLARITY_POS,
+	.color_mode_pol = SPRDFB_POLARITY_NEG,
+	.shut_down_pol = SPRDFB_POLARITY_NEG,
+	.timing = &lcd_dummy_timing,
+	.ops = NULL,
+};
+
+struct panel_spec lcd_dummy_spec = {
+	.width = 320,
+	.height = 480,
+	.fps = 60,
+	.type = LCD_MODE_DSI,
+	.direction = LCD_DIRECT_NORMAL,
+	.is_clean_lcd = true,
+	.info = {
+		.mipi = &lcd_dummy_info
+	},
+	.ops = &lcd_dummy_operations,
+};
+
+struct panel_cfg lcd_dummy = {
+	.dev_id = SPRDFB_MAINLCD_ID,
+	.lcd_id = 0xFFFFFFFF,
+	.lcd_name = "lcd_dummy",
+	.panel = &lcd_dummy_spec,
+};
+
+static int __init lcd_dummy_init(void)
+{
+	return sprdfb_panel_register(&lcd_dummy);
+}
+
+subsys_initcall(lcd_dummy_init);
-- 
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