LCD: support S6E8AX0 amoled driver based on EXYNOS MIPI DSI.

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+/*
+ * Copyright (C) 2012 Samsung Electronics
+ *
+ * Author: Donghwa Lee <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <lcd.h>
+#include <asm/errno.h>
+#include <asm/arch/dsim.h>
+#include <asm/arch/mipi_dsim.h>
+#include <asm/arch/power.h>
+#include <asm/arch/cpu.h>
+#include <linux/types.h>
+#include <linux/list.h>
+
+#include "exynos_mipi_dsi_lowlevel.h"
+#include "exynos_mipi_dsi_common.h"
+
+#define DSIM_PM_STABLE_TIME	(10)
+#define MIN_BRIGHTNESS		(0)
+#define MAX_BRIGHTNESS		(10)
+
+#define lcd_to_master(a)	(a->dsim_dev->master)
+#define lcd_to_master_ops(a)	((lcd_to_master(a))->master_ops)
+
+enum {
+	DSIM_NONE_STATE = 0,
+	DSIM_RESUME_COMPLETE = 1,
+	DSIM_FRAME_DONE = 2,
+};
+
+struct s6e8ax0 {
+	unsigned int			power;
+	unsigned int			updated;
+	unsigned int			gamma;
+	unsigned int			resume_complete;
+
+	struct mipi_dsim_lcd_device	*lcd_dev;
+	struct lcd_platform_data	*ddi_pd;
+};
+
+static void s6e8ax0_panel_cond(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+
+	const unsigned char data_to_send[] = {
+		0xf8, 0x3d, 0x35, 0x00, 0x00, 0x00, 0x8d, 0x00, 0x4c,
+		0x6e, 0x10, 0x27, 0x7d, 0x3f, 0x10, 0x00, 0x00, 0x20,
+		0x04, 0x08, 0x6e, 0x00, 0x00, 0x00, 0x02, 0x08, 0x08,
+		0x23, 0x23, 0xc0, 0xc8, 0x08, 0x48, 0xc1, 0x00, 0xc3,
+		0xff, 0xff, 0xc8
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+}
+
+static void s6e8ax0_display_cond(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+
+	const unsigned char data_to_send[] = {
+		0xf2, 0x80, 0x03, 0x0d
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send,
+			ARRAY_SIZE(data_to_send));
+}
+
+static void s6e8ax0_gamma_cond(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+
+	/* 7500K 2.2 Set (M3, 300cd) */
+	const unsigned char data_to_send[] = {
+		0xfa, 0x01, 0x0f, 0x00, 0x0f, 0xda, 0xc0, 0xe4, 0xc8,
+		0xc8, 0xc6, 0xd3, 0xd6, 0xd0, 0xab, 0xb2, 0xa6, 0xbf,
+		0xc2, 0xb9, 0x00, 0x93, 0x00, 0x86, 0x00, 0xd1
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send,
+			ARRAY_SIZE(data_to_send));
+}
+
+static void s6e8ax0_gamma_update(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xf7, 0x3);
+}
+
+static void s6e8ax0_etc_source_control(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+
+	const unsigned char data_to_send[] = {
+		0xf6, 0x00, 0x02, 0x00
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send,
+			ARRAY_SIZE(data_to_send));
+}
+
+static void s6e8ax0_etc_pentile_control(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+
+	const unsigned char data_to_send[] = {
+		0xb6, 0x0c, 0x02, 0x03, 0x32, 0xff, 0x44, 0x44, 0xc0,
+		0x00
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send,
+			ARRAY_SIZE(data_to_send));
+}
+
+static void s6e8ax0_etc_mipi_control1(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+
+	const unsigned char data_to_send[] = {
+		0xe1, 0x10, 0x1c, 0x17, 0x08, 0x1d
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send,
+			ARRAY_SIZE(data_to_send));
+}
+
+static void s6e8ax0_etc_mipi_control2(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	const unsigned char data_to_send[] = {
+		0xe2, 0xed, 0x07, 0xc3, 0x13, 0x0d, 0x03
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send,
+			ARRAY_SIZE(data_to_send));
+}
+
+static void s6e8ax0_etc_power_control(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	const unsigned char data_to_send[] = {
+		0xf4, 0xcf, 0x0a, 0x12, 0x10, 0x19, 0x33, 0x02
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+		(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+}
+static void s6e8ax0_etc_mipi_control3(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_SHORT_WRITE_PARAM, 0xe3, 0x40);
+}
+
+static void s6e8ax0_etc_mipi_control4(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	const unsigned char data_to_send[] = {
+		0xe4, 0x00, 0x00, 0x14, 0x80, 0x00, 0x00, 0x00
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+		(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+}
+
+static void s6e8ax0_elvss_set(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+
+	const unsigned char data_to_send[] = {
+		0xb1, 0x04, 0x00
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+			(unsigned int)data_to_send,
+			ARRAY_SIZE(data_to_send));
+}
+
+static void s6e8ax0_display_on(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	ops->cmd_write(dsim_dev,
+		MIPI_DSI_DCS_SHORT_WRITE, 0x29, 0x00);
+}
+
+static void s6e8ax0_sleep_out(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	ops->cmd_write(dsim_dev,
+		MIPI_DSI_DCS_SHORT_WRITE, 0x11, 0x00);
+}
+
+static void s6e8ax0_apply_level1_key(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	const unsigned char data_to_send[] = {
+		0xf0, 0x5a, 0x5a
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+		(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+}
+
+static void s6e8ax0_apply_mtp_key(struct mipi_dsim_device *dsim_dev)
+{
+	struct mipi_dsim_master_ops *ops = dsim_dev->master_ops;
+	const unsigned char data_to_send[] = {
+		0xf1, 0x5a, 0x5a
+	};
+
+	ops->cmd_write(dsim_dev, MIPI_DSI_DCS_LONG_WRITE,
+		(unsigned int)data_to_send, ARRAY_SIZE(data_to_send));
+}
+
+static void s6e8ax0_panel_init(struct mipi_dsim_device *dsim_dev)
+{
+	/*
+	 * in case of setting gamma and panel condition at first,
+	 * it shuold be setting like below.
+	 * set_gamma() -> set_panel_condition()
+	 */
+
+	s6e8ax0_apply_level1_key(dsim_dev);
+	s6e8ax0_apply_mtp_key(dsim_dev);
+
+	s6e8ax0_sleep_out(dsim_dev);
+	udelay(5 * 1000);
+	s6e8ax0_panel_cond(dsim_dev);
+	s6e8ax0_display_cond(dsim_dev);
+	s6e8ax0_gamma_cond(dsim_dev);
+	s6e8ax0_gamma_update(dsim_dev);
+
+	s6e8ax0_etc_source_control(dsim_dev);
+	s6e8ax0_elvss_set(dsim_dev);
+	s6e8ax0_etc_pentile_control(dsim_dev);
+	s6e8ax0_etc_mipi_control1(dsim_dev);
+	s6e8ax0_etc_mipi_control2(dsim_dev);
+	s6e8ax0_etc_power_control(dsim_dev);
+	s6e8ax0_etc_mipi_control3(dsim_dev);
+	s6e8ax0_etc_mipi_control4(dsim_dev);
+}
+
+static int s6e8ax0_panel_set(struct mipi_dsim_device *dsim_dev)
+{
+	s6e8ax0_panel_init(dsim_dev);
+
+	return 0;
+}
+
+static void s6e8ax0_display_enable(struct mipi_dsim_device *dsim_dev)
+{
+	s6e8ax0_display_on(dsim_dev);
+}
+
+static struct mipi_dsim_lcd_driver s6e8ax0_dsim_ddi_driver = {
+	.name = "s6e8ax0",
+	.id = -1,
+
+	.mipi_panel_init = s6e8ax0_panel_set,
+	.mipi_display_on = s6e8ax0_display_enable,
+};
+
+void s6e8ax0_init(void)
+{
+	exynos_mipi_dsi_register_lcd_driver(&s6e8ax0_dsim_ddi_driver);
+}