988 lines
32 KiB
C
988 lines
32 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2019 MediaTek Inc.
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*/
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#include <linux/backlight.h>
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#include <drm/drmP.h>
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#include <drm/drm_mipi_dsi.h>
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#include <drm/drm_panel.h>
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#include <linux/gpio/consumer.h>
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#include <linux/regulator/consumer.h>
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#include <video/mipi_display.h>
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#include <video/of_videomode.h>
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#include <video/videomode.h>
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#include <linux/module.h>
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#include <linux/of_platform.h>
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#include <linux/platform_device.h>
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/* enable this to check panel self -bist pattern */
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/* #define PANEL_BIST_PATTERN */
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/* option function to read data from some panel address */
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/* #define PANEL_SUPPORT_READBACK */
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struct lg_panel {
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struct device *dev;
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struct drm_panel panel;
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struct backlight_device *backlight;
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struct gpio_desc *reset_gpio;
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bool prepared;
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bool enabled;
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int error;
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};
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#define lg_dcs_write_seq(ctx, seq...) \
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({ \
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const u8 d[] = {seq}; \
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BUILD_BUG_ON_MSG(ARRAY_SIZE(d) > 64, \
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"DCS sequence too big for stack"); \
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lg_dcs_write(ctx, d, ARRAY_SIZE(d)); \
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})
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#define lg_dcs_write_seq_static(ctx, seq...) \
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({ \
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static const u8 d[] = {seq}; \
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lg_dcs_write(ctx, d, ARRAY_SIZE(d)); \
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})
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static inline struct lg_panel *panel_to_lg(struct drm_panel *panel)
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{
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return container_of(panel, struct lg_panel, panel);
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}
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#ifdef PANEL_SUPPORT_READBACK
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static int lg_dcs_read(struct lg_panel *ctx, u8 cmd, void *data, size_t len)
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{
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struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
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ssize_t ret;
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if (ctx->error < 0)
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return 0;
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ret = mipi_dsi_dcs_read(dsi, cmd, data, len);
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if (ret < 0) {
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dev_err(ctx->dev, "error %d reading dcs seq:(%#x)\n", ret, cmd);
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ctx->error = ret;
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}
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return ret;
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}
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static void lg_panel_get_data(struct lg_panel *ctx)
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{
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u8 buffer[3] = {0};
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static int ret;
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if (ret == 0) {
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ret = lg_dcs_read(ctx, 0x0A, buffer, 1);
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dev_info(ctx->dev, "return %d data(0x%08x) to dsi engine\n",
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ret, buffer[0] | (buffer[1] << 8));
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}
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}
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#endif
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#if defined(CONFIG_RT5081_PMU_DSV) || defined(CONFIG_MT6370_PMU_DSV)
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static struct regulator *disp_bias_pos;
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static struct regulator *disp_bias_neg;
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static int lg_panel_bias_regulator_init(void)
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{
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static int regulator_inited;
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int ret = 0;
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if (regulator_inited)
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return ret;
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/* please only get regulator once in a driver */
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disp_bias_pos = regulator_get(NULL, "dsv_pos");
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if (IS_ERR(disp_bias_pos)) { /* handle return value */
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ret = PTR_ERR(disp_bias_pos);
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pr_err("get dsv_pos fail, error: %d\n", ret);
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return ret;
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}
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disp_bias_neg = regulator_get(NULL, "dsv_neg");
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if (IS_ERR(disp_bias_neg)) { /* handle return value */
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ret = PTR_ERR(disp_bias_neg);
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pr_err("get dsv_neg fail, error: %d\n", ret);
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return ret;
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}
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regulator_inited = 1;
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return ret; /* must be 0 */
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}
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static int lg_panel_bias_enable(void)
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{
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int ret = 0;
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int retval = 0;
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lg_panel_bias_regulator_init();
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/* set voltage with min & max*/
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ret = regulator_set_voltage(disp_bias_pos, 5400000, 5400000);
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if (ret < 0)
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pr_err("set voltage disp_bias_pos fail, ret = %d\n", ret);
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retval |= ret;
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ret = regulator_set_voltage(disp_bias_neg, 5400000, 5400000);
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if (ret < 0)
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pr_err("set voltage disp_bias_neg fail, ret = %d\n", ret);
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retval |= ret;
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/* enable regulator */
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ret = regulator_enable(disp_bias_pos);
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if (ret < 0)
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pr_err("enable regulator disp_bias_pos fail, ret = %d\n", ret);
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retval |= ret;
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ret = regulator_enable(disp_bias_neg);
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if (ret < 0)
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pr_err("enable regulator disp_bias_neg fail, ret = %d\n", ret);
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retval |= ret;
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return retval;
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}
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static int lg_panel_bias_disable(void)
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{
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int ret = 0;
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int retval = 0;
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lg_panel_bias_regulator_init();
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ret = regulator_disable(disp_bias_neg);
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if (ret < 0)
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pr_err("disable regulator disp_bias_neg fail, ret = %d\n", ret);
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retval |= ret;
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ret = regulator_disable(disp_bias_pos);
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if (ret < 0)
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pr_err("disable regulator disp_bias_pos fail, ret = %d\n", ret);
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retval |= ret;
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return retval;
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}
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#endif
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static void lg_dcs_write(struct lg_panel *ctx, const void *data, size_t len)
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{
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struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
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ssize_t ret;
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char *addr;
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if (ctx->error < 0)
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return;
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addr = (char *)data;
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if ((int)*addr < 0xB0)
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ret = mipi_dsi_dcs_write_buffer(dsi, data, len);
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else
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ret = mipi_dsi_generic_write(dsi, data, len);
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if (ret < 0) {
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dev_err(ctx->dev, "error %zd writing seq: %ph\n", ret, data);
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ctx->error = ret;
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}
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}
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extern void lcm_set_reset_pin(unsigned int value);
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static void lg_panel_init(struct lg_panel *ctx)
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{
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ctx->reset_gpio = devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
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gpiod_set_value(ctx->reset_gpio, 0);
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udelay(15 * 1000);
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gpiod_set_value(ctx->reset_gpio, 1);
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udelay(1 * 1000);
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gpiod_set_value(ctx->reset_gpio, 0);
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udelay(10 * 1000);
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gpiod_set_value(ctx->reset_gpio, 1);
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udelay(10 * 1000);
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devm_gpiod_put(ctx->dev, ctx->reset_gpio);
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lg_dcs_write_seq_static(ctx, 0xFF, 0x24);
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lg_dcs_write_seq_static(ctx, 0xFB, 0x01);
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lg_dcs_write_seq_static(ctx, 0xC5, 0x31);
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lg_dcs_write_seq_static(ctx, 0xFF, 0x20);
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lg_dcs_write_seq_static(ctx, 0x00, 0x01);
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lg_dcs_write_seq_static(ctx, 0x01, 0x55);
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lg_dcs_write_seq_static(ctx, 0x02, 0x45);
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lg_dcs_write_seq_static(ctx, 0x03, 0x55);
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lg_dcs_write_seq_static(ctx, 0x05, 0x40);
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lg_dcs_write_seq_static(ctx, 0x06, 0x99);
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lg_dcs_write_seq_static(ctx, 0x07, 0x9E);
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lg_dcs_write_seq_static(ctx, 0x08, 0x0C);
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lg_dcs_write_seq_static(ctx, 0x0B, 0x87);
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lg_dcs_write_seq_static(ctx, 0x0C, 0x87);
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lg_dcs_write_seq_static(ctx, 0x0E, 0xAB);
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lg_dcs_write_seq_static(ctx, 0x0F, 0xA9);
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lg_dcs_write_seq_static(ctx, 0x11, 0x0D);
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lg_dcs_write_seq_static(ctx, 0x12, 0x10);
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lg_dcs_write_seq_static(ctx, 0x13, 0x03);
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lg_dcs_write_seq_static(ctx, 0x14, 0x4A);
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lg_dcs_write_seq_static(ctx, 0x15, 0x12);
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lg_dcs_write_seq_static(ctx, 0x16, 0x12);
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lg_dcs_write_seq_static(ctx, 0x30, 0x01);
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lg_dcs_write_seq_static(ctx, 0x58, 0x00);
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lg_dcs_write_seq_static(ctx, 0x59, 0x00);
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lg_dcs_write_seq_static(ctx, 0x5A, 0x02);
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lg_dcs_write_seq_static(ctx, 0x5B, 0x00);
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lg_dcs_write_seq_static(ctx, 0x5C, 0x00);
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lg_dcs_write_seq_static(ctx, 0x5D, 0x00);
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lg_dcs_write_seq_static(ctx, 0x5E, 0x02);
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lg_dcs_write_seq_static(ctx, 0x5F, 0x02);
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lg_dcs_write_seq_static(ctx, 0x72, 0x31);
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lg_dcs_write_seq_static(ctx, 0xFB, 0x01);
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lg_dcs_write_seq_static(ctx, 0xFF, 0x24);
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lg_dcs_write_seq_static(ctx, 0x00, 0x01);
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lg_dcs_write_seq_static(ctx, 0x01, 0x0B);
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lg_dcs_write_seq_static(ctx, 0x02, 0x0C);
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lg_dcs_write_seq_static(ctx, 0x03, 0x03);
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lg_dcs_write_seq_static(ctx, 0x04, 0x05);
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lg_dcs_write_seq_static(ctx, 0x05, 0x1C);
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lg_dcs_write_seq_static(ctx, 0x06, 0x10);
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lg_dcs_write_seq_static(ctx, 0x07, 0x00);
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lg_dcs_write_seq_static(ctx, 0x08, 0x1C);
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lg_dcs_write_seq_static(ctx, 0x09, 0x00);
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lg_dcs_write_seq_static(ctx, 0x0A, 0x00);
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lg_dcs_write_seq_static(ctx, 0x0B, 0x00);
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lg_dcs_write_seq_static(ctx, 0x0C, 0x00);
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lg_dcs_write_seq_static(ctx, 0x0D, 0x13);
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lg_dcs_write_seq_static(ctx, 0x0E, 0x15);
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lg_dcs_write_seq_static(ctx, 0x0F, 0x17);
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lg_dcs_write_seq_static(ctx, 0x10, 0x01);
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lg_dcs_write_seq_static(ctx, 0x11, 0x0B);
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lg_dcs_write_seq_static(ctx, 0x12, 0x0C);
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lg_dcs_write_seq_static(ctx, 0x13, 0x04);
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lg_dcs_write_seq_static(ctx, 0x14, 0x06);
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lg_dcs_write_seq_static(ctx, 0x15, 0x1C);
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lg_dcs_write_seq_static(ctx, 0x16, 0x10);
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lg_dcs_write_seq_static(ctx, 0x17, 0x00);
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lg_dcs_write_seq_static(ctx, 0x18, 0x1C);
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lg_dcs_write_seq_static(ctx, 0x19, 0x00);
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lg_dcs_write_seq_static(ctx, 0x1A, 0x00);
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lg_dcs_write_seq_static(ctx, 0x1B, 0x00);
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lg_dcs_write_seq_static(ctx, 0x1C, 0x00);
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lg_dcs_write_seq_static(ctx, 0x1D, 0x13);
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lg_dcs_write_seq_static(ctx, 0x1E, 0x15);
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lg_dcs_write_seq_static(ctx, 0x1F, 0x17);
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lg_dcs_write_seq_static(ctx, 0x20, 0x00);
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lg_dcs_write_seq_static(ctx, 0x21, 0x03);
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lg_dcs_write_seq_static(ctx, 0x22, 0x01);
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lg_dcs_write_seq_static(ctx, 0x23, 0x4A);
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lg_dcs_write_seq_static(ctx, 0x24, 0x4A);
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lg_dcs_write_seq_static(ctx, 0x25, 0x6D);
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lg_dcs_write_seq_static(ctx, 0x26, 0x40);
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lg_dcs_write_seq_static(ctx, 0x27, 0x40);
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lg_dcs_write_seq_static(ctx, 0x32, 0x7B);
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lg_dcs_write_seq_static(ctx, 0x33, 0x00);
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lg_dcs_write_seq_static(ctx, 0x34, 0x01);
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lg_dcs_write_seq_static(ctx, 0x35, 0x8E);
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lg_dcs_write_seq_static(ctx, 0x39, 0x01);
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lg_dcs_write_seq_static(ctx, 0x3A, 0x8E);
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lg_dcs_write_seq_static(ctx, 0xBD, 0x20); /* VEND */
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lg_dcs_write_seq_static(ctx, 0xB6, 0x22);
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lg_dcs_write_seq_static(ctx, 0xB7, 0x24);
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lg_dcs_write_seq_static(ctx, 0xB8, 0x07);
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lg_dcs_write_seq_static(ctx, 0xB9, 0x07);
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lg_dcs_write_seq_static(ctx, 0xC1, 0x6D);
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lg_dcs_write_seq_static(ctx, 0xC2, 0x00);
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lg_dcs_write_seq_static(ctx, 0xC4, 0x24);
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lg_dcs_write_seq_static(ctx, 0xBE, 0x07);
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lg_dcs_write_seq_static(ctx, 0xBF, 0x07);
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lg_dcs_write_seq_static(ctx, 0x29, 0xD8);
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lg_dcs_write_seq_static(ctx, 0x2A, 0x2A);
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lg_dcs_write_seq_static(ctx, 0x5B, 0x43); /* CTRL */
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lg_dcs_write_seq_static(ctx, 0x5C, 0x00);
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lg_dcs_write_seq_static(ctx, 0x5F, 0x73);
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lg_dcs_write_seq_static(ctx, 0x60, 0x73);
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lg_dcs_write_seq_static(ctx, 0x63, 0x22);
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lg_dcs_write_seq_static(ctx, 0x64, 0x00);
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lg_dcs_write_seq_static(ctx, 0x67, 0x08);
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lg_dcs_write_seq_static(ctx, 0x68, 0x04);
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lg_dcs_write_seq_static(ctx, 0x7A, 0x80); /* MUX */
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lg_dcs_write_seq_static(ctx, 0x7B, 0x91);
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lg_dcs_write_seq_static(ctx, 0x7C, 0xD8);
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lg_dcs_write_seq_static(ctx, 0x7D, 0x60);
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lg_dcs_write_seq_static(ctx, 0x74, 0x09);
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lg_dcs_write_seq_static(ctx, 0x7E, 0x09);
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lg_dcs_write_seq_static(ctx, 0x75, 0x21);
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lg_dcs_write_seq_static(ctx, 0x7F, 0x21);
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lg_dcs_write_seq_static(ctx, 0x76, 0x05);
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lg_dcs_write_seq_static(ctx, 0x81, 0x05);
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lg_dcs_write_seq_static(ctx, 0x77, 0x04);
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lg_dcs_write_seq_static(ctx, 0x82, 0x04);
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lg_dcs_write_seq_static(ctx, 0x93, 0x06); /* FP,BP */
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lg_dcs_write_seq_static(ctx, 0x94, 0x06);
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lg_dcs_write_seq_static(ctx, 0xB3, 0x00);
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lg_dcs_write_seq_static(ctx, 0xB4, 0x00);
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lg_dcs_write_seq_static(ctx, 0xB5, 0x00);
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lg_dcs_write_seq_static(ctx, 0x78, 0x00); /* SOURCE EQ */
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lg_dcs_write_seq_static(ctx, 0x79, 0x00);
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lg_dcs_write_seq_static(ctx, 0x80, 0x00);
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lg_dcs_write_seq_static(ctx, 0x83, 0x00);
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lg_dcs_write_seq_static(ctx, 0x84, 0x04);
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lg_dcs_write_seq_static(ctx, 0x8A, 0x33); /* pixel column driving */
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lg_dcs_write_seq_static(ctx, 0x8B, 0xF0);
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lg_dcs_write_seq_static(ctx, 0x9B, 0x0F);
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lg_dcs_write_seq_static(ctx, 0xC6, 0x09);
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lg_dcs_write_seq_static(ctx, 0xFB, 0x01);
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lg_dcs_write_seq_static(ctx, 0xEC, 0x00);
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lg_dcs_write_seq_static(ctx, 0xFF, 0x20);
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lg_dcs_write_seq_static(ctx, 0xFB, 0x01);
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lg_dcs_write_seq_static(ctx, 0x75, 0x00);
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lg_dcs_write_seq_static(ctx, 0x76, 0x49);
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lg_dcs_write_seq_static(ctx, 0x77, 0x00);
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lg_dcs_write_seq_static(ctx, 0x78, 0x78);
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lg_dcs_write_seq_static(ctx, 0x79, 0x00);
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lg_dcs_write_seq_static(ctx, 0x7A, 0xA4);
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lg_dcs_write_seq_static(ctx, 0x7B, 0x00);
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lg_dcs_write_seq_static(ctx, 0x7C, 0xC2);
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lg_dcs_write_seq_static(ctx, 0x7D, 0x00);
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lg_dcs_write_seq_static(ctx, 0x7E, 0xDA);
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lg_dcs_write_seq_static(ctx, 0x7F, 0x00);
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lg_dcs_write_seq_static(ctx, 0x80, 0xED);
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lg_dcs_write_seq_static(ctx, 0x81, 0x00);
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lg_dcs_write_seq_static(ctx, 0x82, 0xFE);
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lg_dcs_write_seq_static(ctx, 0x83, 0x01);
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lg_dcs_write_seq_static(ctx, 0x84, 0x0E);
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lg_dcs_write_seq_static(ctx, 0x85, 0x01);
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lg_dcs_write_seq_static(ctx, 0x86, 0x1B);
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lg_dcs_write_seq_static(ctx, 0x87, 0x01);
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lg_dcs_write_seq_static(ctx, 0x88, 0x48);
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lg_dcs_write_seq_static(ctx, 0x89, 0x01);
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lg_dcs_write_seq_static(ctx, 0x8A, 0x6C);
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lg_dcs_write_seq_static(ctx, 0x8B, 0x01);
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lg_dcs_write_seq_static(ctx, 0x8C, 0xA2);
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lg_dcs_write_seq_static(ctx, 0x8D, 0x01);
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lg_dcs_write_seq_static(ctx, 0x8E, 0xCD);
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lg_dcs_write_seq_static(ctx, 0x8F, 0x02);
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lg_dcs_write_seq_static(ctx, 0x90, 0x0F);
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lg_dcs_write_seq_static(ctx, 0x91, 0x02);
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lg_dcs_write_seq_static(ctx, 0x92, 0x42);
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lg_dcs_write_seq_static(ctx, 0x93, 0x02);
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lg_dcs_write_seq_static(ctx, 0x94, 0x43);
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lg_dcs_write_seq_static(ctx, 0x95, 0x02);
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lg_dcs_write_seq_static(ctx, 0x96, 0x71);
|
|
lg_dcs_write_seq_static(ctx, 0x97, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x98, 0xA3);
|
|
lg_dcs_write_seq_static(ctx, 0x99, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x9A, 0xC5);
|
|
lg_dcs_write_seq_static(ctx, 0x9B, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x9C, 0xF3);
|
|
lg_dcs_write_seq_static(ctx, 0x9D, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x9E, 0x12);
|
|
lg_dcs_write_seq_static(ctx, 0x9F, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xA0, 0x3A);
|
|
lg_dcs_write_seq_static(ctx, 0xA2, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xA3, 0x46);
|
|
lg_dcs_write_seq_static(ctx, 0xA4, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xA5, 0x52);
|
|
lg_dcs_write_seq_static(ctx, 0xA6, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xA7, 0x60);
|
|
lg_dcs_write_seq_static(ctx, 0xA9, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xAA, 0x6E);
|
|
lg_dcs_write_seq_static(ctx, 0xAB, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xAC, 0x7D);
|
|
lg_dcs_write_seq_static(ctx, 0xAD, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xAE, 0x8B);
|
|
lg_dcs_write_seq_static(ctx, 0xAF, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xB0, 0x91);
|
|
lg_dcs_write_seq_static(ctx, 0xB1, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xB2, 0xCF);
|
|
lg_dcs_write_seq_static(ctx, 0xB3, 0x00); /* RN GAMMA SETTING */
|
|
lg_dcs_write_seq_static(ctx, 0xB4, 0x49);
|
|
lg_dcs_write_seq_static(ctx, 0xB5, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xB6, 0x78);
|
|
lg_dcs_write_seq_static(ctx, 0xB7, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xB8, 0xA4);
|
|
lg_dcs_write_seq_static(ctx, 0xB9, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xBA, 0xC2);
|
|
lg_dcs_write_seq_static(ctx, 0xBB, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xBC, 0xDA);
|
|
lg_dcs_write_seq_static(ctx, 0xBD, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xBE, 0xED);
|
|
lg_dcs_write_seq_static(ctx, 0xBF, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xC0, 0xFE);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0xC1, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0xC2, 0x0E);
|
|
lg_dcs_write_seq_static(ctx, 0xC3, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0xC4, 0x1B);
|
|
lg_dcs_write_seq_static(ctx, 0xC5, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0xC6, 0x48);
|
|
lg_dcs_write_seq_static(ctx, 0xC7, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0xC8, 0x6C);
|
|
lg_dcs_write_seq_static(ctx, 0xC9, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0xCA, 0xA2);
|
|
lg_dcs_write_seq_static(ctx, 0xCB, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0xCC, 0xCD);
|
|
lg_dcs_write_seq_static(ctx, 0xCD, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xCE, 0x0F);
|
|
lg_dcs_write_seq_static(ctx, 0xCF, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xD0, 0x42);
|
|
lg_dcs_write_seq_static(ctx, 0xD1, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xD2, 0x43);
|
|
lg_dcs_write_seq_static(ctx, 0xD3, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xD4, 0x71);
|
|
lg_dcs_write_seq_static(ctx, 0xD5, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xD6, 0xA3);
|
|
lg_dcs_write_seq_static(ctx, 0xD7, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xD8, 0xC5);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0xD9, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xDA, 0xF3);
|
|
lg_dcs_write_seq_static(ctx, 0xDB, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xDD, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xDE, 0x3A);
|
|
lg_dcs_write_seq_static(ctx, 0xDF, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xE0, 0x46);
|
|
lg_dcs_write_seq_static(ctx, 0xE1, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xE2, 0x52);
|
|
lg_dcs_write_seq_static(ctx, 0xE3, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xE4, 0x60);
|
|
lg_dcs_write_seq_static(ctx, 0xE5, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xE6, 0x6E);
|
|
lg_dcs_write_seq_static(ctx, 0xE7, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xE8, 0x7D);
|
|
lg_dcs_write_seq_static(ctx, 0xE9, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xEA, 0x8B);
|
|
lg_dcs_write_seq_static(ctx, 0xEB, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xEC, 0x91);
|
|
lg_dcs_write_seq_static(ctx, 0xED, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xEE, 0xCF);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0xEF, 0x00); /* GP GAMMA SETTING */
|
|
lg_dcs_write_seq_static(ctx, 0xF0, 0x49);
|
|
lg_dcs_write_seq_static(ctx, 0xF1, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xF2, 0x78);
|
|
lg_dcs_write_seq_static(ctx, 0xF3, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xF4, 0xA4);
|
|
lg_dcs_write_seq_static(ctx, 0xF5, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xF6, 0xC2);
|
|
lg_dcs_write_seq_static(ctx, 0xF7, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xF8, 0xDA);
|
|
lg_dcs_write_seq_static(ctx, 0xF9, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xFA, 0xED);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0xFF, 0x21); /* CMD2 PAGE1 */
|
|
lg_dcs_write_seq_static(ctx, 0xFB, 0x01);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0x00, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x01, 0xFE);
|
|
lg_dcs_write_seq_static(ctx, 0x02, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x03, 0x0E);
|
|
lg_dcs_write_seq_static(ctx, 0x04, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x05, 0x1B);
|
|
lg_dcs_write_seq_static(ctx, 0x06, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x07, 0x48);
|
|
lg_dcs_write_seq_static(ctx, 0x08, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x09, 0x6C);
|
|
lg_dcs_write_seq_static(ctx, 0x0A, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x0B, 0xA2);
|
|
lg_dcs_write_seq_static(ctx, 0x0C, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x0D, 0xCD);
|
|
lg_dcs_write_seq_static(ctx, 0x0E, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x0F, 0x0F);
|
|
lg_dcs_write_seq_static(ctx, 0x10, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x11, 0x42);
|
|
lg_dcs_write_seq_static(ctx, 0x12, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x13, 0x43);
|
|
lg_dcs_write_seq_static(ctx, 0x14, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x15, 0x71);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0x16, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x17, 0xA3);
|
|
lg_dcs_write_seq_static(ctx, 0x18, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x19, 0xC5);
|
|
lg_dcs_write_seq_static(ctx, 0x1A, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x1B, 0xF3);
|
|
lg_dcs_write_seq_static(ctx, 0x1C, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x1D, 0x12);
|
|
lg_dcs_write_seq_static(ctx, 0x1E, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x1F, 0x3A);
|
|
lg_dcs_write_seq_static(ctx, 0x20, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x21, 0x46);
|
|
lg_dcs_write_seq_static(ctx, 0x22, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x23, 0x52);
|
|
lg_dcs_write_seq_static(ctx, 0x24, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x25, 0x60);
|
|
lg_dcs_write_seq_static(ctx, 0x26, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x27, 0x6E);
|
|
lg_dcs_write_seq_static(ctx, 0x28, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x29, 0x7D);
|
|
lg_dcs_write_seq_static(ctx, 0x2A, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x2B, 0x8B);
|
|
lg_dcs_write_seq_static(ctx, 0x2D, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x2F, 0x91);
|
|
lg_dcs_write_seq_static(ctx, 0x30, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x31, 0xCF);
|
|
lg_dcs_write_seq_static(ctx, 0x32, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x33, 0x49);
|
|
lg_dcs_write_seq_static(ctx, 0x34, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x35, 0x78);
|
|
lg_dcs_write_seq_static(ctx, 0x36, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x37, 0xA4);
|
|
lg_dcs_write_seq_static(ctx, 0x38, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x39, 0xC2);
|
|
lg_dcs_write_seq_static(ctx, 0x3A, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x3B, 0xDA);
|
|
lg_dcs_write_seq_static(ctx, 0x3D, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x3F, 0xED);
|
|
lg_dcs_write_seq_static(ctx, 0x40, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x41, 0xFE);
|
|
lg_dcs_write_seq_static(ctx, 0x42, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x43, 0x0E);
|
|
lg_dcs_write_seq_static(ctx, 0x44, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x45, 0x1B);
|
|
lg_dcs_write_seq_static(ctx, 0x46, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x47, 0x48);
|
|
lg_dcs_write_seq_static(ctx, 0x48, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x49, 0x6C);
|
|
lg_dcs_write_seq_static(ctx, 0x4A, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x4B, 0xA2);
|
|
lg_dcs_write_seq_static(ctx, 0x4C, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x4D, 0xCD);
|
|
lg_dcs_write_seq_static(ctx, 0x4E, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x4F, 0x0F);
|
|
lg_dcs_write_seq_static(ctx, 0x50, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x51, 0x42);
|
|
lg_dcs_write_seq_static(ctx, 0x52, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x53, 0x43);
|
|
lg_dcs_write_seq_static(ctx, 0x54, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x55, 0x71);
|
|
lg_dcs_write_seq_static(ctx, 0x56, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x58, 0xA3);
|
|
lg_dcs_write_seq_static(ctx, 0x59, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x5A, 0xC5);
|
|
lg_dcs_write_seq_static(ctx, 0x5B, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x5C, 0xF3);
|
|
lg_dcs_write_seq_static(ctx, 0x5D, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x5E, 0x12);
|
|
lg_dcs_write_seq_static(ctx, 0x5F, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x60, 0x3A);
|
|
lg_dcs_write_seq_static(ctx, 0x61, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x62, 0x46);
|
|
lg_dcs_write_seq_static(ctx, 0x63, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x64, 0x52);
|
|
lg_dcs_write_seq_static(ctx, 0x65, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x66, 0x60);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0x67, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x68, 0x6E);
|
|
lg_dcs_write_seq_static(ctx, 0x69, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x6A, 0x7D);
|
|
lg_dcs_write_seq_static(ctx, 0x6B, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x6C, 0x8B);
|
|
lg_dcs_write_seq_static(ctx, 0x6D, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x6E, 0x91);
|
|
lg_dcs_write_seq_static(ctx, 0x6F, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x70, 0xCF);
|
|
lg_dcs_write_seq_static(ctx, 0x71, 0x00); /* BP GAMMA SETTING */
|
|
lg_dcs_write_seq_static(ctx, 0x72, 0x49);
|
|
lg_dcs_write_seq_static(ctx, 0x73, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x74, 0x78);
|
|
lg_dcs_write_seq_static(ctx, 0x75, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x76, 0xA4);
|
|
lg_dcs_write_seq_static(ctx, 0x77, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x78, 0xC2);
|
|
lg_dcs_write_seq_static(ctx, 0x79, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x7A, 0xDA);
|
|
lg_dcs_write_seq_static(ctx, 0x7B, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x7C, 0xED);
|
|
lg_dcs_write_seq_static(ctx, 0x7D, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x7E, 0xFE);
|
|
lg_dcs_write_seq_static(ctx, 0x7F, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x80, 0x0E);
|
|
lg_dcs_write_seq_static(ctx, 0x81, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x82, 0x1B);
|
|
lg_dcs_write_seq_static(ctx, 0x83, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x84, 0x48);
|
|
lg_dcs_write_seq_static(ctx, 0x85, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x86, 0x6C);
|
|
lg_dcs_write_seq_static(ctx, 0x87, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x88, 0xA2);
|
|
lg_dcs_write_seq_static(ctx, 0x89, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0x8A, 0xCD);
|
|
lg_dcs_write_seq_static(ctx, 0x8B, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x8C, 0x0F);
|
|
lg_dcs_write_seq_static(ctx, 0x8D, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x8E, 0x42);
|
|
lg_dcs_write_seq_static(ctx, 0x8F, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x90, 0x43);
|
|
lg_dcs_write_seq_static(ctx, 0x91, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x92, 0x71);
|
|
lg_dcs_write_seq_static(ctx, 0x93, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x94, 0xA3);
|
|
lg_dcs_write_seq_static(ctx, 0x95, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x96, 0xC5);
|
|
lg_dcs_write_seq_static(ctx, 0x97, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0x98, 0xF3);
|
|
lg_dcs_write_seq_static(ctx, 0x99, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x9A, 0x12);
|
|
lg_dcs_write_seq_static(ctx, 0x9B, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x9C, 0x3A);
|
|
lg_dcs_write_seq_static(ctx, 0x9D, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x9E, 0x46);
|
|
lg_dcs_write_seq_static(ctx, 0x9F, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xA0, 0x52);
|
|
lg_dcs_write_seq_static(ctx, 0xA2, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xA3, 0x60);
|
|
lg_dcs_write_seq_static(ctx, 0xA4, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xA5, 0x6E);
|
|
lg_dcs_write_seq_static(ctx, 0xA6, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xA7, 0x7D);
|
|
lg_dcs_write_seq_static(ctx, 0xA9, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xAA, 0x8B);
|
|
lg_dcs_write_seq_static(ctx, 0xAB, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xAC, 0x91);
|
|
lg_dcs_write_seq_static(ctx, 0xAD, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xAE, 0xCF);
|
|
lg_dcs_write_seq_static(ctx, 0xAF, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xB0, 0x49);
|
|
lg_dcs_write_seq_static(ctx, 0xB1, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xB2, 0x78);
|
|
lg_dcs_write_seq_static(ctx, 0xB3, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xB4, 0xA4);
|
|
lg_dcs_write_seq_static(ctx, 0xB5, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xB6, 0xC2);
|
|
lg_dcs_write_seq_static(ctx, 0xB7, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xB8, 0xDA);
|
|
lg_dcs_write_seq_static(ctx, 0xB9, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xBA, 0xED);
|
|
lg_dcs_write_seq_static(ctx, 0xBB, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0xBC, 0xFE);
|
|
lg_dcs_write_seq_static(ctx, 0xBD, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0xBE, 0x0E);
|
|
lg_dcs_write_seq_static(ctx, 0xBF, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0xC0, 0x1B);
|
|
lg_dcs_write_seq_static(ctx, 0xC1, 0x01);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0xC2, 0x48);
|
|
lg_dcs_write_seq_static(ctx, 0xC3, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0xC4, 0x6C);
|
|
lg_dcs_write_seq_static(ctx, 0xC5, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0xC6, 0xA2);
|
|
lg_dcs_write_seq_static(ctx, 0xC7, 0x01);
|
|
lg_dcs_write_seq_static(ctx, 0xC8, 0xCD);
|
|
lg_dcs_write_seq_static(ctx, 0xC9, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xCA, 0x0F);
|
|
lg_dcs_write_seq_static(ctx, 0xCB, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xCC, 0x42);
|
|
lg_dcs_write_seq_static(ctx, 0xCD, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xCE, 0x43);
|
|
lg_dcs_write_seq_static(ctx, 0xCF, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xD0, 0x71);
|
|
lg_dcs_write_seq_static(ctx, 0xD1, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xD2, 0xA3);
|
|
lg_dcs_write_seq_static(ctx, 0xD3, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xD4, 0xC5);
|
|
lg_dcs_write_seq_static(ctx, 0xD5, 0x02);
|
|
lg_dcs_write_seq_static(ctx, 0xD6, 0xF3);
|
|
lg_dcs_write_seq_static(ctx, 0xD7, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xD8, 0x12);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0xD9, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xDA, 0x3A);
|
|
lg_dcs_write_seq_static(ctx, 0xDB, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xDC, 0x46);
|
|
lg_dcs_write_seq_static(ctx, 0xDD, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xDE, 0x52);
|
|
lg_dcs_write_seq_static(ctx, 0xDF, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xE0, 0x60);
|
|
lg_dcs_write_seq_static(ctx, 0xE1, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xE2, 0x6E);
|
|
lg_dcs_write_seq_static(ctx, 0xE3, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xE4, 0x7D);
|
|
lg_dcs_write_seq_static(ctx, 0xE5, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xE6, 0x8B);
|
|
lg_dcs_write_seq_static(ctx, 0xE7, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xE8, 0x91);
|
|
lg_dcs_write_seq_static(ctx, 0xE9, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0xEA, 0xCF);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0xFF, 0x10);
|
|
usleep_range(1000, 1100);
|
|
lg_dcs_write_seq_static(ctx, 0x3B, 0x03, 0x0A, 0x0A);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0x35, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x44, 0x07, 0x78);
|
|
lg_dcs_write_seq_static(ctx, 0xFB, 0x01);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0xC9, 0x49, 0x02, 0x05, 0x00, 0x0F, 0x06,
|
|
0x67, 0x03, 0x2E, 0x10, 0xF0);
|
|
lg_dcs_write_seq_static(ctx, 0xBB, 0x03);
|
|
lg_dcs_write_seq_static(ctx, 0x11);
|
|
msleep(120);
|
|
lg_dcs_write_seq_static(ctx, 0x29);
|
|
|
|
lg_dcs_write_seq_static(ctx, 0x51, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x5E, 0x00);
|
|
lg_dcs_write_seq_static(ctx, 0x53, 0x24);
|
|
lg_dcs_write_seq_static(ctx, 0x55, 0x00);
|
|
}
|
|
|
|
static int lg_disable(struct drm_panel *panel)
|
|
{
|
|
struct lg_panel *ctx = panel_to_lg(panel);
|
|
|
|
if (!ctx->enabled)
|
|
return 0;
|
|
|
|
if (ctx->backlight) {
|
|
ctx->backlight->props.power = FB_BLANK_POWERDOWN;
|
|
backlight_update_status(ctx->backlight);
|
|
}
|
|
|
|
ctx->enabled = false;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int lg_unprepare(struct drm_panel *panel)
|
|
{
|
|
struct lg_panel *ctx = panel_to_lg(panel);
|
|
|
|
if (!ctx->prepared)
|
|
return 0;
|
|
|
|
lg_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_OFF);
|
|
lg_dcs_write_seq_static(ctx, MIPI_DCS_ENTER_SLEEP_MODE);
|
|
msleep(80);
|
|
lg_dcs_write_seq_static(ctx, 0x4F);
|
|
msleep(20);
|
|
|
|
ctx->error = 0;
|
|
ctx->prepared = false;
|
|
#if defined(CONFIG_RT5081_PMU_DSV) || defined(CONFIG_MT6370_PMU_DSV)
|
|
lg_panel_bias_disable();
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int lg_prepare(struct drm_panel *panel)
|
|
{
|
|
struct lg_panel *ctx = panel_to_lg(panel);
|
|
int ret;
|
|
|
|
pr_info("%s\n", __func__);
|
|
if (ctx->prepared)
|
|
return 0;
|
|
|
|
#if defined(CONFIG_RT5081_PMU_DSV) || defined(CONFIG_MT6370_PMU_DSV)
|
|
lg_panel_bias_enable();
|
|
#endif
|
|
|
|
lg_panel_init(ctx);
|
|
|
|
ret = ctx->error;
|
|
if (ret < 0)
|
|
lg_unprepare(panel);
|
|
|
|
ctx->prepared = true;
|
|
|
|
#ifdef PANEL_SUPPORT_READBACK
|
|
lg_panel_get_data(ctx);
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int lg_enable(struct drm_panel *panel)
|
|
{
|
|
struct lg_panel *ctx = panel_to_lg(panel);
|
|
|
|
if (ctx->enabled)
|
|
return 0;
|
|
|
|
if (ctx->backlight) {
|
|
ctx->backlight->props.power = FB_BLANK_UNBLANK;
|
|
backlight_update_status(ctx->backlight);
|
|
}
|
|
|
|
ctx->enabled = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct drm_display_mode default_mode = {
|
|
.clock = 135930,
|
|
.hdisplay = 1080,
|
|
.hsync_start = 1080 + 40,
|
|
.hsync_end = 1080 + 40 + 10,
|
|
.htotal = 1080 + 40 + 10 + 20,
|
|
.vdisplay = 1920,
|
|
.vsync_start = 1920 + 40,
|
|
.vsync_end = 1920 + 40 + 2,
|
|
.vtotal = 1920 + 40 + 2 + 8,
|
|
.vrefresh = 60,
|
|
};
|
|
|
|
struct panel_desc {
|
|
const struct drm_display_mode *modes;
|
|
unsigned int num_modes;
|
|
|
|
unsigned int bpc;
|
|
|
|
struct {
|
|
unsigned int width;
|
|
unsigned int height;
|
|
} size;
|
|
|
|
/**
|
|
* @prepare: the time (in milliseconds) that it takes for the panel to
|
|
* become ready and start receiving video data
|
|
* @enable: the time (in milliseconds) that it takes for the panel to
|
|
* display the first valid frame after starting to receive
|
|
* video data
|
|
* @disable: the time (in milliseconds) that it takes for the panel to
|
|
* turn the display off (no content is visible)
|
|
* @unprepare: the time (in milliseconds) that it takes for the panel
|
|
* to power itself down completely
|
|
*/
|
|
struct {
|
|
unsigned int prepare;
|
|
unsigned int enable;
|
|
unsigned int disable;
|
|
unsigned int unprepare;
|
|
} delay;
|
|
};
|
|
|
|
static int lg_get_modes(struct drm_panel *panel)
|
|
{
|
|
struct drm_display_mode *mode;
|
|
|
|
mode = drm_mode_duplicate(panel->drm, &default_mode);
|
|
if (!mode) {
|
|
dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
|
|
default_mode.hdisplay, default_mode.vdisplay,
|
|
default_mode.vrefresh);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
drm_mode_set_name(mode);
|
|
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
|
|
drm_mode_probed_add(panel->connector, mode);
|
|
|
|
panel->connector->display_info.width_mm = 75;
|
|
panel->connector->display_info.height_mm = 133;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static const struct drm_panel_funcs lg_drm_funcs = {
|
|
.disable = lg_disable,
|
|
.unprepare = lg_unprepare,
|
|
.prepare = lg_prepare,
|
|
.enable = lg_enable,
|
|
.get_modes = lg_get_modes,
|
|
};
|
|
|
|
static int lg_probe(struct mipi_dsi_device *dsi)
|
|
{
|
|
struct device *dev = &dsi->dev;
|
|
struct lg_panel *ctx;
|
|
struct device_node *backlight;
|
|
int ret;
|
|
|
|
pr_info("%s+\n", __func__);
|
|
ctx = devm_kzalloc(dev, sizeof(struct lg_panel), GFP_KERNEL);
|
|
if (!ctx)
|
|
return -ENOMEM;
|
|
|
|
mipi_dsi_set_drvdata(dsi, ctx);
|
|
|
|
ctx->dev = dev;
|
|
dsi->lanes = 4;
|
|
dsi->format = MIPI_DSI_FMT_RGB888;
|
|
dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
|
|
MIPI_DSI_MODE_LPM | MIPI_DSI_MODE_EOT_PACKET |
|
|
MIPI_DSI_CLOCK_NON_CONTINUOUS;
|
|
|
|
backlight = of_parse_phandle(dev->of_node, "backlight", 0);
|
|
if (backlight) {
|
|
ctx->backlight = of_find_backlight_by_node(backlight);
|
|
of_node_put(backlight);
|
|
|
|
if (!ctx->backlight)
|
|
return -EPROBE_DEFER;
|
|
}
|
|
|
|
ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->reset_gpio)) {
|
|
dev_err(dev, "cannot get reset-gpios %ld\n",
|
|
PTR_ERR(ctx->reset_gpio));
|
|
return PTR_ERR(ctx->reset_gpio);
|
|
}
|
|
devm_gpiod_put(dev, ctx->reset_gpio);
|
|
|
|
ctx->prepared = false;
|
|
|
|
drm_panel_init(&ctx->panel);
|
|
ctx->panel.dev = dev;
|
|
ctx->panel.funcs = &lg_drm_funcs;
|
|
|
|
ret = drm_panel_add(&ctx->panel);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
ret = mipi_dsi_attach(dsi);
|
|
if (ret < 0)
|
|
drm_panel_remove(&ctx->panel);
|
|
pr_info("%s-\n", __func__);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int lg_remove(struct mipi_dsi_device *dsi)
|
|
{
|
|
struct lg_panel *ctx = mipi_dsi_get_drvdata(dsi);
|
|
|
|
mipi_dsi_detach(dsi);
|
|
drm_panel_remove(&ctx->panel);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id lg_of_match[] = {
|
|
{
|
|
.compatible = "lg,u40073",
|
|
},
|
|
{} };
|
|
|
|
MODULE_DEVICE_TABLE(of, lg_of_match);
|
|
|
|
static struct mipi_dsi_driver lg_driver = {
|
|
.probe = lg_probe,
|
|
.remove = lg_remove,
|
|
.driver = {
|
|
|
|
.name = "panel-lg-u40073",
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = lg_of_match,
|
|
},
|
|
};
|
|
|
|
module_mipi_dsi_driver(lg_driver);
|
|
|
|
MODULE_AUTHOR("Robin Chen <robin.chen@mediatek.com>");
|
|
MODULE_DESCRIPTION("lg U40073 LCD Panel Driver");
|
|
MODULE_LICENSE("GPL v2");
|