[U-Boot] [PATCH v2] video: add L5F31188 TFT-LCD panel driver
Hyungwon Hwang
human.hwang at samsung.com
Wed Jul 31 10:25:34 CEST 2013
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 at samsung.com>
Signed-off-by: Donghwa Lee <dw09.lee at samsung.com>
---
drivers/video/Makefile | 1 +
drivers/video/l5f31188.c | 192 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 193 insertions(+)
create mode 100644 drivers/video/l5f31188.c
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 68ff34b..997d041 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -38,6 +38,7 @@ COBJS-$(CONFIG_FSL_DIU_FB) += fsl_diu_fb.o videomodes.o
COBJS-$(CONFIG_MPC8XX_LCD) += mpc8xx_lcd.o
COBJS-$(CONFIG_PXA_LCD) += pxa_lcd.o
COBJS-$(CONFIG_S6E8AX0) += s6e8ax0.o
+COBJS-$(CONFIG_L5F31188) += l5f31188.o
COBJS-$(CONFIG_S6E63D6) += s6e63d6.o
COBJS-$(CONFIG_LD9040) += ld9040.o
COBJS-$(CONFIG_SED156X) += sed156x.o
diff --git a/drivers/video/l5f31188.c b/drivers/video/l5f31188.c
new file mode 100644
index 0000000..3312dcf
--- /dev/null
+++ b/drivers/video/l5f31188.c
@@ -0,0 +1,192 @@
+/*
+ * Copyright (c) 2013 Samsung Electronics Co., Ltd. All rights reserved.
+ * Hyungwon Hwang <human.hwang at 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);
+}
--
1.7.9.5
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