video: add L5F31188 TFT-LCD panel driver

This is u-boot driver for L5F31188 panel.
I tested it in the board based on MIPI DSI with EXYNOS4 series, and it worked well.

Changes in V2:
	- Replaced license header by SPDX-License-Identifier.

Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
Signed-off-by: Donghwa Lee <dw09.lee@samsung.com>
[agust: sort Makefile entry alphabetically]
Signed-off-by: Anatolij Gustschin <agust@denx.de>

drivers/video/Makefile

@@ -19,6 +19,7 @@ COBJS-$(CONFIG_EXYNOS_MIPI_DSIM) += exynos_mipi_dsi.o exynos_mipi_dsi_common.o \
 				exynos_mipi_dsi_lowlevel.o
 COBJS-$(CONFIG_EXYNOS_PWM_BL) += exynos_pwm_bl.o
 COBJS-$(CONFIG_FSL_DIU_FB) += fsl_diu_fb.o videomodes.o
+COBJS-$(CONFIG_L5F31188) += l5f31188.o
 COBJS-$(CONFIG_MPC8XX_LCD) += mpc8xx_lcd.o
 COBJS-$(CONFIG_PXA_LCD) += pxa_lcd.o
 COBJS-$(CONFIG_S6E8AX0) += s6e8ax0.o

drivers/video/l5f31188.c

+/*
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd. All rights reserved.
+ * Hyungwon Hwang <human.hwang@samsung.com>
+ *
+ * SPDX-License-Identifier:      GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/arch/mipi_dsim.h>
+
+#define SCAN_FROM_LEFT_TO_RIGHT 0
+#define SCAN_FROM_RIGHT_TO_LEFT 1
+#define SCAN_FROM_TOP_TO_BOTTOM 0
+#define SCAN_FROM_BOTTOM_TO_TOP 1
+
+static void l5f31188_sleep_in(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE, 0x10, 0x00);
+}
+
+static void l5f31188_sleep_out(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE, 0x11, 0x00);
+}
+
+static void l5f31188_set_gamma(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE, 0x26, 0x00);
+}
+
+static void l5f31188_display_off(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE, 0x28, 0x00);
+}
+
+static void l5f31188_display_on(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE, 0x29, 0x00);
+}
+
+static void l5f31188_ctl_memory_access(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops,
+		int h_direction, int v_direction)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x36,
+			(((h_direction & 0x1) << 1) | (v_direction & 0x1)));
+}
+
+static void l5f31188_set_pixel_format(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x3A, 0x70);
+}
+
+static void l5f31188_write_disbv(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops, unsigned int brightness)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x51, brightness);
+}
+
+static void l5f31188_write_ctrld(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x53, 0x2C);
+}
+
+static void l5f31188_write_cabc(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops,
+			unsigned int wm_mode)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x55, wm_mode);
+}
+
+static void l5f31188_write_cabcmb(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops, unsigned int min_brightness)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0x5E,
+			min_brightness);
+}
+
+static void l5f31188_set_extension(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	const unsigned char data_to_send[] = {
+		0xB9, 0xFF, 0x83, 0x94
+	};
+
+	ops->cmd_write(dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+}
+
+static void l5f31188_set_dgc_lut(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	const unsigned char data_to_send[] = {
+		0xC1, 0x01, 0x00, 0x04, 0x0E, 0x18, 0x1E, 0x26,
+		0x2F, 0x36, 0x3E, 0x47, 0x4E, 0x56, 0x5D, 0x65,
+		0x6D, 0x75, 0x7D, 0x84, 0x8C, 0x94, 0x9C, 0xA4,
+		0xAD, 0xB5, 0xBD, 0xC5, 0xCC, 0xD4, 0xDE, 0xE5,
+		0xEE, 0xF7, 0xFF, 0x3F, 0x9A, 0xCE, 0xD4, 0x21,
+		0xA1, 0x26, 0x54, 0x00, 0x00, 0x04, 0x0E, 0x19,
+		0x1F, 0x27, 0x30, 0x37, 0x40, 0x48, 0x50, 0x58,
+		0x60, 0x67, 0x6F, 0x77, 0x7F, 0x87, 0x8F, 0x97,
+		0x9F, 0xA7, 0xB0, 0xB8, 0xC0, 0xC8, 0xCE, 0xD8,
+		0xE0, 0xE7, 0xF0, 0xF7, 0xFF, 0x3C, 0xEB, 0xFD,
+		0x2F, 0x66, 0xA8, 0x2C, 0x46, 0x00, 0x00, 0x04,
+		0x0E, 0x18, 0x1E, 0x26, 0x30, 0x38, 0x41, 0x4A,
+		0x52, 0x5A, 0x62, 0x6B, 0x73, 0x7B, 0x83, 0x8C,
+		0x94, 0x9C, 0xA5, 0xAD, 0xB6, 0xBD, 0xC5, 0xCC,
+		0xD4, 0xDD, 0xE3, 0xEB, 0xF2, 0xF9, 0xFF, 0x3F,
+		0xA4, 0x8A, 0x8F, 0xC7, 0x33, 0xF5, 0xE9, 0x00
+	};
+	ops->cmd_write(dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+}
+
+static void l5f31188_set_tcon(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	const unsigned char data_to_send[] = {
+		0xC7, 0x00, 0x20
+	};
+	ops->cmd_write(dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+}
+
+static void l5f31188_set_ptba(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	const unsigned char data_to_send[] = {
+		0xBF, 0x06, 0x10
+	};
+	ops->cmd_write(dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+}
+
+static void l5f31188_set_eco(struct mipi_dsim_device *dev,
+		struct mipi_dsim_master_ops *ops)
+{
+	ops->cmd_write(dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xC6, 0x0C);
+}
+
+static int l5f31188_panel_init(struct mipi_dsim_device *dev)
+{
+	struct mipi_dsim_master_ops *ops = dev->master_ops;
+
+	l5f31188_set_extension(dev, ops);
+	l5f31188_set_dgc_lut(dev, ops);
+
+	l5f31188_set_eco(dev, ops);
+	l5f31188_set_tcon(dev, ops);
+	l5f31188_set_ptba(dev, ops);
+	l5f31188_set_gamma(dev, ops);
+	l5f31188_ctl_memory_access(dev, ops,
+			SCAN_FROM_LEFT_TO_RIGHT, SCAN_FROM_TOP_TO_BOTTOM);
+	l5f31188_set_pixel_format(dev, ops);
+	l5f31188_write_disbv(dev, ops, 0xFF);
+	l5f31188_write_ctrld(dev, ops);
+	l5f31188_write_cabc(dev, ops, 0x0);
+	l5f31188_write_cabcmb(dev, ops, 0x0);
+
+	l5f31188_sleep_out(dev, ops);
+
+	/* 120 msec */
+	udelay(120 * 1000);
+
+	return 0;
+}
+
+static void l5f31188_display_enable(struct mipi_dsim_device *dev)
+{
+	struct mipi_dsim_master_ops *ops = dev->master_ops;
+	l5f31188_display_on(dev, ops);
+}
+
+static struct mipi_dsim_lcd_driver l5f31188_dsim_ddi_driver = {
+	.name = "l5f31188",
+	.id = -1,
+
+	.mipi_panel_init = l5f31188_panel_init,
+	.mipi_display_on = l5f31188_display_enable,
+};
+
+void l5f31188_init(void)
+{
+	exynos_mipi_dsi_register_lcd_driver(&l5f31188_dsim_ddi_driver);
+}