1009 lines
27 KiB
C
1009 lines
27 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 <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/backlight.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/of_graph.h>
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#include <linux/platform_device.h>
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#define CONFIG_MTK_PANEL_EXT
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#if defined(CONFIG_MTK_PANEL_EXT)
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#include "../mediatek/mtk_drm_graphics_base.h"
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#include "../mediatek/mtk_log.h"
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#include "../mediatek/mtk_panel_ext.h"
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#endif
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#ifdef CONFIG_MTK_ROUND_CORNER_SUPPORT
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#include "../mediatek/mtk_corner_pattern/mtk_data_hw_roundedpattern.h"
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#endif
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#if defined(CONFIG_RT4831A_I2C)
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#include "../../../misc/mediatek/gate_ic/gate_i2c.h"
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#endif
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struct lcm {
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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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struct gpio_desc *pm_enable_gpio;
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struct gpio_desc *bias_pos, *bias_neg;
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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 lcm_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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lcm_dcs_write(ctx, d, ARRAY_SIZE(d)); \
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})
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#define lcm_dcs_write_seq_static(ctx, seq...) \
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({ \
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static const u8 d[] = {seq}; \
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lcm_dcs_write(ctx, d, ARRAY_SIZE(d)); \
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})
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static inline struct lcm *panel_to_lcm(struct drm_panel *panel)
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{
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return container_of(panel, struct lcm, panel);
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}
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static void lcm_dcs_write(struct lcm *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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#ifdef PANEL_SUPPORT_READBACK
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static int lcm_dcs_read(struct lcm *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 lcm_panel_get_data(struct lcm *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 = lcm_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 lcm_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 lcm_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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lcm_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 lcm_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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lcm_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 lcm_panel_init(struct lcm *ctx)
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{
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ctx->reset_gpio =
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devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
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if (IS_ERR(ctx->reset_gpio)) {
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dev_err(ctx->dev, "%s: cannot get reset_gpio %ld\n",
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__func__, PTR_ERR(ctx->reset_gpio));
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return;
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}
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gpiod_set_value(ctx->reset_gpio, 0);
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#if BITS_PER_LONG == 32
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mdelay(15 * 1000);
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#else
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udelay(15 * 1000);
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#endif
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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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#if BITS_PER_LONG == 32
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mdelay(10 * 1000);
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#else
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udelay(10 * 1000);
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#endif
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gpiod_set_value(ctx->reset_gpio, 1);
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#if BITS_PER_LONG == 32
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mdelay(10 * 1000);
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#else
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udelay(10 * 1000);
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#endif
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devm_gpiod_put(ctx->dev, ctx->reset_gpio);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x00);
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lcm_dcs_write_seq_static(ctx, 0xFF, 0x87, 0x56, 0x01);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x80);
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lcm_dcs_write_seq_static(ctx, 0xFF, 0x87, 0x56);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xA1);
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lcm_dcs_write_seq_static(ctx, 0xB3, 0x04, 0x38, 0x08, 0xFC, 0x00, 0xFC);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x80);
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lcm_dcs_write_seq_static(ctx, 0xC0, 0x00, 0x92, 0x00, 0x08, 0x00, 0x24);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x90);
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lcm_dcs_write_seq_static(ctx, 0xC0, 0x00, 0x92, 0x00, 0x08, 0x00, 0x24);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xA0);
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lcm_dcs_write_seq_static(ctx, 0xC0, 0x01, 0x24, 0x00, 0x08, 0x00, 0x24);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xB0);
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lcm_dcs_write_seq_static(ctx, 0xC0, 0x00, 0x92, 0x00, 0x08, 0x24);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xC1);
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lcm_dcs_write_seq_static(ctx, 0xC0, 0x00, 0xD9, 0x00, 0xA5, 0x00, 0x91,
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0x00, 0xF8);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xD7);
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lcm_dcs_write_seq_static(ctx, 0xC0, 0x00, 0x91, 0x00, 0x08, 0x00, 0x24);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xA3);
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lcm_dcs_write_seq_static(ctx, 0xC1, 0x00, 0x25, 0x00, 0x25, 0x00, 0x02);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x80);
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lcm_dcs_write_seq_static(ctx, 0xCE, 0x01, 0x81, 0x09, 0x13, 0x00, 0xC8,
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0x00, 0xE0, 0x00, 0x85, 0x00, 0x95, 0x00, 0x64,
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0x00, 0x70);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x90);
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lcm_dcs_write_seq_static(ctx, 0xCE, 0x00, 0x8E, 0x0C, 0xDF, 0x00, 0x8E,
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0x80, 0x09, 0x13, 0x00, 0x04, 0x00, 0x22, 0x20,
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0x20);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xA0);
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lcm_dcs_write_seq_static(ctx, 0xCE, 0x00, 0x00, 0x00);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xB0);
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lcm_dcs_write_seq_static(ctx, 0xCE, 0x22, 0x00, 0x00);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xD1);
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lcm_dcs_write_seq_static(ctx, 0xCE, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
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0x00);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xE1);
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lcm_dcs_write_seq_static(ctx, 0xCE, 0x08, 0x02, 0x4D, 0x02, 0x4D, 0x02,
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0x4D, 0x00, 0x00, 0x00, 0x00);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xF1);
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lcm_dcs_write_seq_static(ctx, 0xCE, 0x12, 0x09, 0x0C, 0x01, 0x1B, 0x01,
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0x1C, 0x01, 0x37);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xB0);
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lcm_dcs_write_seq_static(ctx, 0xCF, 0x00, 0x00, 0xB0, 0xB4);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xB5);
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lcm_dcs_write_seq_static(ctx, 0xCF, 0x04, 0x04, 0xB8, 0xBC);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xC0);
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lcm_dcs_write_seq_static(ctx, 0xCF, 0x08, 0x08, 0xD2, 0xD6);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xC5);
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lcm_dcs_write_seq_static(ctx, 0xCF, 0x00, 0x00, 0x08, 0x0C);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xE8);
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lcm_dcs_write_seq_static(ctx, 0xC0, 0x40);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x80);
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lcm_dcs_write_seq_static(ctx, 0xc2, 0x84, 0x01, 0x3A, 0x3A);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x90);
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lcm_dcs_write_seq_static(ctx, 0xC2, 0x02, 0x01, 0x03, 0x03);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xA0);
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lcm_dcs_write_seq_static(ctx, 0xC2, 0x84, 0x04, 0x00, 0x03, 0x8E, 0x83,
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0x04, 0x00, 0x03, 0x8E, 0x82, 0x04, 0x00, 0x03,
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0x8E);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xB0);
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lcm_dcs_write_seq_static(ctx, 0xC2, 0x81, 0x04, 0x00, 0x03, 0x8E);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xE0);
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lcm_dcs_write_seq_static(ctx, 0xC2, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33,
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0x00, 0x00, 0x12, 0x00, 0x05, 0x02, 0x03,
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0x03);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xC0);
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lcm_dcs_write_seq_static(ctx, 0xC3, 0x99, 0x99, 0x99, 0x99);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xD0);
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lcm_dcs_write_seq_static(ctx, 0xC3, 0x45, 0x00, 0x00, 0x05, 0x45, 0x00,
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0x00, 0x05);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x80);
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lcm_dcs_write_seq_static(ctx, 0xCB, 0xC1, 0xC1, 0x00, 0xC1, 0xC1, 0x00,
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0x00, 0xC1, 0xFE, 0x00, 0xC1, 0x00, 0xFD, 0xC1,
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0x00, 0xC0);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x90);
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lcm_dcs_write_seq_static(ctx, 0xCB, 0xC0, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xA0);
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lcm_dcs_write_seq_static(ctx, 0xCB, 0x00, 0x00, 0x00, 0x00);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xB0);
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lcm_dcs_write_seq_static(ctx, 0xCB, 0x55, 0x55, 0x95, 0x55);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xC0);
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lcm_dcs_write_seq_static(ctx, 0xCB, 0x10, 0x51, 0x84, 0x50);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x80);
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lcm_dcs_write_seq_static(ctx, 0xCC, 0x00, 0x00, 0x00, 0x25, 0x25, 0x29,
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0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x22, 0x24,
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0x06, 0x06);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x90);
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lcm_dcs_write_seq_static(ctx, 0xCC, 0x08, 0x08, 0x24, 0x02, 0x12, 0x01,
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0x29, 0x29);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x80);
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lcm_dcs_write_seq_static(ctx, 0xCD, 0x00, 0x00, 0x00, 0x25, 0x25, 0x29,
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0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x22, 0x24,
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0x07, 0x07);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x90);
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lcm_dcs_write_seq_static(ctx, 0xCD, 0x09, 0x09, 0x24, 0x02, 0x12, 0x01,
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0x29, 0x29);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xA0);
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lcm_dcs_write_seq_static(ctx, 0xCC, 0x00, 0x00, 0x00, 0x25, 0x25, 0x29,
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0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x24, 0x23,
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0x09, 0x09);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xB0);
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lcm_dcs_write_seq_static(ctx, 0xCC, 0x07, 0x07, 0x24, 0x12, 0x02, 0x01,
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0x29, 0x29);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xA0);
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lcm_dcs_write_seq_static(ctx, 0xCD, 0x00, 0x00, 0x00, 0x25, 0x25, 0x29,
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0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x24, 0x23,
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0x08, 0x08);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xB0);
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lcm_dcs_write_seq_static(ctx, 0xCD, 0x06, 0x06, 0x24, 0x12, 0x02, 0x01,
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0x29, 0x29);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x80);
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lcm_dcs_write_seq_static(ctx, 0xA7, 0x10);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x82);
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lcm_dcs_write_seq_static(ctx, 0xA7, 0x33, 0x02);
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lcm_dcs_write_seq_static(ctx, 0x00, 0x85);
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lcm_dcs_write_seq_static(ctx, 0xA7, 0x10);
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lcm_dcs_write_seq_static(ctx, 0x00, 0xA0);
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lcm_dcs_write_seq_static(ctx, 0xC3, 0x35, 0x02, 0x41, 0x35, 0x53, 0x14,
|
|
0x20, 0x00, 0x00, 0x00, 0x13, 0x50, 0x24, 0x42,
|
|
0x05, 0x31);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x85);
|
|
lcm_dcs_write_seq_static(ctx, 0xC4, 0x1C);
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x97);
|
|
lcm_dcs_write_seq_static(ctx, 0xC4, 0x01);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xA0);
|
|
lcm_dcs_write_seq_static(ctx, 0xC4, 0x2D, 0xD2, 0x2D);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x93);
|
|
lcm_dcs_write_seq_static(ctx, 0xC5, 0x23);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x97);
|
|
lcm_dcs_write_seq_static(ctx, 0xC5, 0x23);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x9A);
|
|
lcm_dcs_write_seq_static(ctx, 0xC5, 0x23);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x9C);
|
|
lcm_dcs_write_seq_static(ctx, 0xC5, 0x23);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xB6);
|
|
lcm_dcs_write_seq_static(ctx, 0xC5, 0x1E, 0x1E);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xB8);
|
|
lcm_dcs_write_seq_static(ctx, 0xC5, 0x19, 0x19);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x9B);
|
|
lcm_dcs_write_seq_static(ctx, 0xF5, 0x4B);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x93);
|
|
lcm_dcs_write_seq_static(ctx, 0xF5, 0x00, 0x00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x9D);
|
|
lcm_dcs_write_seq_static(ctx, 0xF5, 0x49);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x82);
|
|
lcm_dcs_write_seq_static(ctx, 0xF5, 0x00, 0x00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x8C);
|
|
lcm_dcs_write_seq_static(ctx, 0xC3, 0x00, 0x00, 0x00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x84);
|
|
lcm_dcs_write_seq_static(ctx, 0xC5, 0x28, 0x28);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xA4);
|
|
lcm_dcs_write_seq_static(ctx, 0xD7, 0x00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x80);
|
|
lcm_dcs_write_seq_static(ctx, 0xF5, 0x59, 0x59);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x84);
|
|
lcm_dcs_write_seq_static(ctx, 0xF5, 0x59, 0x59, 0x59);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x96);
|
|
lcm_dcs_write_seq_static(ctx, 0xF5, 0x59);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xA6);
|
|
lcm_dcs_write_seq_static(ctx, 0xF5, 0x59);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xCA);
|
|
lcm_dcs_write_seq_static(ctx, 0xC0, 0x80);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xB1);
|
|
lcm_dcs_write_seq_static(ctx, 0xF5, 0x1F);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x00);
|
|
lcm_dcs_write_seq_static(ctx, 0xD8, 0x2F, 0x2F);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x00);
|
|
lcm_dcs_write_seq_static(ctx, 0xD9, 0x23, 0x23);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x86);
|
|
lcm_dcs_write_seq_static(ctx, 0xC0, 0x01, 0x01, 0x01, 0x01, 0x10, 0x05);
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x96);
|
|
lcm_dcs_write_seq_static(ctx, 0xC0, 0x01, 0x01, 0x01, 0x01, 0x10, 0x05);
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xA6);
|
|
lcm_dcs_write_seq_static(ctx, 0xC0, 0x01, 0x01, 0x01, 0x01, 0x1D, 0x05);
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xE9);
|
|
lcm_dcs_write_seq_static(ctx, 0xC0, 0x01, 0x01, 0x01, 0x01, 0x10, 0x05);
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xA3);
|
|
lcm_dcs_write_seq_static(ctx, 0xCE, 0x01, 0x01, 0x01, 0x01, 0x10, 0x05);
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xB3);
|
|
lcm_dcs_write_seq_static(ctx, 0xCE, 0x01, 0x01, 0x01, 0x01, 0x10, 0x05);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x00);
|
|
lcm_dcs_write_seq_static(
|
|
ctx, 0xE1, 0x06, 0x0A, 0x0A, 0x0F, 0x6C, 0x1A, 0x21, 0x28, 0x32,
|
|
0x61, 0x3A, 0x41, 0x47, 0x4D, 0xAC, 0x51, 0x5A, 0x62, 0x69, 0xA6,
|
|
0x70, 0x78, 0x7F, 0x88, 0xCD, 0x92, 0x98, 0x9E, 0xA6, 0x48, 0xAE,
|
|
0xB9, 0xC6, 0xCE, 0x97, 0xD9, 0xE7, 0xF0, 0xF5, 0xAB);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x00);
|
|
lcm_dcs_write_seq_static(
|
|
ctx, 0xE2, 0x0D, 0x0A, 0x0A, 0x0F, 0x6C, 0x1A, 0x21, 0x28, 0x32,
|
|
0x61, 0x3A, 0x41, 0x47, 0x4D, 0xAC, 0x51, 0x5A, 0x62, 0x69, 0xA6,
|
|
0x70, 0x78, 0x7F, 0x88, 0xCD, 0x92, 0x98, 0x9E, 0xA6, 0x48, 0xAE,
|
|
0xB9, 0xC6, 0xCE, 0x97, 0xD9, 0xE7, 0xF0, 0xF5, 0xAB);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x00);
|
|
lcm_dcs_write_seq_static(
|
|
ctx, 0xE3, 0x06, 0x0A, 0x0A, 0x0F, 0x6C, 0x1A, 0x21, 0x28, 0x32,
|
|
0x61, 0x3A, 0x41, 0x47, 0x4D, 0xAC, 0x51, 0x5A, 0x62, 0x69, 0xA6,
|
|
0x70, 0x78, 0x7F, 0x88, 0xCD, 0x92, 0x98, 0x9E, 0xA6, 0x48, 0xAE,
|
|
0xB9, 0xC6, 0xCE, 0x97, 0xD9, 0xE7, 0xF0, 0xF5, 0xAB);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x00);
|
|
lcm_dcs_write_seq_static(
|
|
ctx, 0xE4, 0x0D, 0x0A, 0x0A, 0x0F, 0x6C, 0x1A, 0x21, 0x28, 0x32,
|
|
0x61, 0x3A, 0x41, 0x47, 0x4D, 0xAC, 0x51, 0x5A, 0x62, 0x69, 0xA6,
|
|
0x70, 0x78, 0x7F, 0x88, 0xCD, 0x92, 0x98, 0x9E, 0xA6, 0x48, 0xAE,
|
|
0xB9, 0xC6, 0xCE, 0x97, 0xD9, 0xE7, 0xF0, 0xF5, 0xAB);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x00);
|
|
lcm_dcs_write_seq_static(
|
|
ctx, 0xE5, 0x06, 0x0A, 0x0A, 0x0F, 0x6C, 0x1A, 0x21, 0x28, 0x32,
|
|
0x61, 0x3A, 0x41, 0x47, 0x4D, 0xAC, 0x51, 0x5A, 0x62, 0x69, 0xA6,
|
|
0x70, 0x78, 0x7F, 0x88, 0xCD, 0x92, 0x98, 0x9E, 0xA6, 0x48, 0xAE,
|
|
0xB9, 0xC6, 0xCE, 0x97, 0xD9, 0xE7, 0xF0, 0xF5, 0xAB);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x00);
|
|
lcm_dcs_write_seq_static(
|
|
ctx, 0xE6, 0x0D, 0x0A, 0x0A, 0x0F, 0x6C, 0x1A, 0x21, 0x28, 0x32,
|
|
0x61, 0x3A, 0x41, 0x47, 0x4D, 0xAC, 0x51, 0x5A, 0x62, 0x69, 0xA6,
|
|
0x70, 0x78, 0x7F, 0x88, 0xCD, 0x92, 0x98, 0x9E, 0xA6, 0x48, 0xAE,
|
|
0xB9, 0xC6, 0xCE, 0x97, 0xD9, 0xE7, 0xF0, 0xF5, 0xAB);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xCC);
|
|
lcm_dcs_write_seq_static(ctx, 0xC0, 0x10);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0xB3);
|
|
lcm_dcs_write_seq_static(ctx, 0xC5, 0xD1);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x80);
|
|
lcm_dcs_write_seq_static(ctx, 0xCA, 0xCE, 0xBB, 0xAB, 0x9F, 0x96, 0x8E,
|
|
0x87, 0x82, 0x80, 0x80, 0x80, 0x80);
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x90);
|
|
lcm_dcs_write_seq_static(ctx, 0xCA, 0xFD, 0xFF, 0xEA, 0xFC, 0xFF, 0xCC,
|
|
0xFA, 0xFF, 0x66);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x00, 0x00);
|
|
lcm_dcs_write_seq_static(ctx, 0xFF, 0xFF, 0xFF, 0xFF);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x51, 0xff, 0x0f);
|
|
lcm_dcs_write_seq_static(ctx, 0x53, 0x24);
|
|
lcm_dcs_write_seq_static(ctx, 0x55, 0x01);
|
|
lcm_dcs_write_seq_static(ctx, 0x35);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x11);
|
|
msleep(180);
|
|
lcm_dcs_write_seq_static(ctx, 0x29);
|
|
msleep(100);
|
|
}
|
|
|
|
static int lcm_disable(struct drm_panel *panel)
|
|
{
|
|
struct lcm *ctx = panel_to_lcm(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 lcm_unprepare(struct drm_panel *panel)
|
|
{
|
|
struct lcm *ctx = panel_to_lcm(panel);
|
|
|
|
if (!ctx->prepared)
|
|
return 0;
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x28);
|
|
msleep(50);
|
|
lcm_dcs_write_seq_static(ctx, 0x10);
|
|
msleep(150);
|
|
|
|
ctx->error = 0;
|
|
ctx->prepared = false;
|
|
#if defined(CONFIG_RT5081_PMU_DSV) || defined(CONFIG_MT6370_PMU_DSV)
|
|
lcm_panel_bias_disable();
|
|
#elif defined(CONFIG_RT4831A_I2C)
|
|
/*this is rt4831a*/
|
|
_gate_ic_i2c_panel_bias_enable(0);
|
|
_gate_ic_Power_off();
|
|
#else
|
|
ctx->reset_gpio =
|
|
devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->reset_gpio)) {
|
|
dev_err(ctx->dev, "%s: cannot get reset_gpio %ld\n",
|
|
__func__, PTR_ERR(ctx->reset_gpio));
|
|
return PTR_ERR(ctx->reset_gpio);
|
|
}
|
|
gpiod_set_value(ctx->reset_gpio, 0);
|
|
devm_gpiod_put(ctx->dev, ctx->reset_gpio);
|
|
|
|
|
|
ctx->bias_neg = devm_gpiod_get_index(ctx->dev,
|
|
"bias", 1, GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->bias_neg)) {
|
|
dev_err(ctx->dev, "%s: cannot get bias_neg %ld\n",
|
|
__func__, PTR_ERR(ctx->bias_neg));
|
|
return PTR_ERR(ctx->bias_neg);
|
|
}
|
|
gpiod_set_value(ctx->bias_neg, 0);
|
|
devm_gpiod_put(ctx->dev, ctx->bias_neg);
|
|
|
|
udelay(1000);
|
|
|
|
ctx->bias_pos = devm_gpiod_get_index(ctx->dev,
|
|
"bias", 0, GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->bias_pos)) {
|
|
dev_err(ctx->dev, "%s: cannot get bias_pos %ld\n",
|
|
__func__, PTR_ERR(ctx->bias_pos));
|
|
return PTR_ERR(ctx->bias_pos);
|
|
}
|
|
gpiod_set_value(ctx->bias_pos, 0);
|
|
devm_gpiod_put(ctx->dev, ctx->bias_pos);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
static int lcm_prepare(struct drm_panel *panel)
|
|
{
|
|
struct lcm *ctx = panel_to_lcm(panel);
|
|
int ret;
|
|
|
|
pr_info("%s\n", __func__);
|
|
if (ctx->prepared)
|
|
return 0;
|
|
|
|
#if defined(CONFIG_RT5081_PMU_DSV) || defined(CONFIG_MT6370_PMU_DSV)
|
|
lcm_panel_bias_enable();
|
|
#elif defined(CONFIG_RT4831A_I2C)
|
|
_gate_ic_Power_on();
|
|
/*rt4831a co-work with leds_i2c*/
|
|
_gate_ic_i2c_panel_bias_enable(1);
|
|
#else
|
|
ctx->bias_pos = devm_gpiod_get_index(ctx->dev,
|
|
"bias", 0, GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->bias_pos)) {
|
|
dev_err(ctx->dev, "%s: cannot get bias_pos %ld\n",
|
|
__func__, PTR_ERR(ctx->bias_pos));
|
|
return PTR_ERR(ctx->bias_pos);
|
|
}
|
|
gpiod_set_value(ctx->bias_pos, 1);
|
|
devm_gpiod_put(ctx->dev, ctx->bias_pos);
|
|
|
|
udelay(2000);
|
|
|
|
ctx->bias_neg = devm_gpiod_get_index(ctx->dev,
|
|
"bias", 1, GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->bias_neg)) {
|
|
dev_err(ctx->dev, "%s: cannot get bias_neg %ld\n",
|
|
__func__, PTR_ERR(ctx->bias_neg));
|
|
return PTR_ERR(ctx->bias_neg);
|
|
}
|
|
gpiod_set_value(ctx->bias_neg, 1);
|
|
devm_gpiod_put(ctx->dev, ctx->bias_neg);
|
|
#endif
|
|
|
|
lcm_panel_init(ctx);
|
|
|
|
ret = ctx->error;
|
|
if (ret < 0)
|
|
lcm_unprepare(panel);
|
|
|
|
ctx->prepared = true;
|
|
|
|
#if defined(CONFIG_MTK_PANEL_EXT)
|
|
mtk_panel_tch_rst(panel);
|
|
#endif
|
|
#ifdef PANEL_SUPPORT_READBACK
|
|
lcm_panel_get_data(ctx);
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int lcm_enable(struct drm_panel *panel)
|
|
{
|
|
struct lcm *ctx = panel_to_lcm(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;
|
|
}
|
|
|
|
#define HFP (30)
|
|
#define HSA (16)
|
|
#define HBP (14)
|
|
#define VFP (70)
|
|
#define VSA (16)
|
|
#define VBP (16)
|
|
#define VAC (2300)
|
|
#define HAC (1080)
|
|
|
|
static struct drm_display_mode default_mode = {
|
|
.clock = 164297,
|
|
.hdisplay = HAC,
|
|
.hsync_start = HAC + HFP,
|
|
.hsync_end = HAC + HFP + HSA,
|
|
.htotal = HAC + HFP + HSA + HBP,
|
|
.vdisplay = VAC,
|
|
.vsync_start = VAC + VFP,
|
|
.vsync_end = VAC + VFP + VSA,
|
|
.vtotal = VAC + VFP + VSA + VBP,
|
|
.vrefresh = 60,
|
|
};
|
|
|
|
#if defined(CONFIG_MTK_PANEL_EXT)
|
|
static int panel_ext_reset(struct drm_panel *panel, int on)
|
|
{
|
|
struct lcm *ctx = panel_to_lcm(panel);
|
|
|
|
ctx->reset_gpio =
|
|
devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->reset_gpio)) {
|
|
dev_err(ctx->dev, "%s: cannot get reset_gpio %ld\n",
|
|
__func__, PTR_ERR(ctx->reset_gpio));
|
|
return PTR_ERR(ctx->reset_gpio);
|
|
}
|
|
gpiod_set_value(ctx->reset_gpio, on);
|
|
devm_gpiod_put(ctx->dev, ctx->reset_gpio);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int panel_ata_check(struct drm_panel *panel)
|
|
{
|
|
struct lcm *ctx = panel_to_lcm(panel);
|
|
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
|
|
unsigned char data[3] = {0x00, 0x00, 0x00};
|
|
unsigned char id[3] = {0x40, 0x00, 0x00};
|
|
ssize_t ret;
|
|
|
|
ret = mipi_dsi_dcs_read(dsi, 0x4, data, 3);
|
|
if (ret < 0) {
|
|
pr_err("%s error\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
DDPINFO("ATA read data %x %x %x\n", data[0], data[1], data[2]);
|
|
|
|
if (data[0] == id[0] &&
|
|
data[1] == id[1] &&
|
|
data[2] == id[2])
|
|
return 1;
|
|
|
|
DDPINFO("ATA expect read data is %x %x %x\n",
|
|
id[0], id[1], id[2]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int lcm_setbacklight_cmdq(void *dsi, dcs_write_gce cb, void *handle,
|
|
unsigned int level)
|
|
{
|
|
char bl_tb0[] = {0x51, 0xFF};
|
|
|
|
bl_tb0[1] = level;
|
|
|
|
if (!cb)
|
|
return -1;
|
|
|
|
cb(dsi, handle, bl_tb0, ARRAY_SIZE(bl_tb0));
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int lcm_get_virtual_heigh(void)
|
|
{
|
|
return VAC;
|
|
}
|
|
|
|
static int lcm_get_virtual_width(void)
|
|
{
|
|
return HAC;
|
|
}
|
|
|
|
static struct mtk_panel_params ext_params = {
|
|
.pll_clk = 530,
|
|
.vfp_low_power = 840,
|
|
.cust_esd_check = 0,
|
|
.esd_check_enable = 1,
|
|
.lcm_esd_check_table[0] = {
|
|
.cmd = 0x0a,
|
|
.count = 1,
|
|
.para_list[0] = 0x9c,
|
|
},
|
|
.dyn = {
|
|
.switch_en = 1,
|
|
.pll_clk = 535,
|
|
.hfp = 32,
|
|
.vfp = 93,
|
|
},
|
|
};
|
|
|
|
static struct mtk_panel_funcs ext_funcs = {
|
|
.reset = panel_ext_reset,
|
|
.set_backlight_cmdq = lcm_setbacklight_cmdq,
|
|
.ata_check = panel_ata_check,
|
|
.get_virtual_heigh = lcm_get_virtual_heigh,
|
|
.get_virtual_width = lcm_get_virtual_width,
|
|
};
|
|
#endif
|
|
|
|
struct panel_desc {
|
|
const struct drm_display_mode *modes;
|
|
unsigned int num_modes;
|
|
|
|
unsigned int bpc;
|
|
|
|
struct {
|
|
unsigned int width;
|
|
unsigned int height;
|
|
} size;
|
|
|
|
struct {
|
|
unsigned int prepare;
|
|
unsigned int enable;
|
|
unsigned int disable;
|
|
unsigned int unprepare;
|
|
} delay;
|
|
};
|
|
|
|
static int lcm_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 = 68;
|
|
panel->connector->display_info.height_mm = 146;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static const struct drm_panel_funcs lcm_drm_funcs = {
|
|
.disable = lcm_disable,
|
|
.unprepare = lcm_unprepare,
|
|
.prepare = lcm_prepare,
|
|
.enable = lcm_enable,
|
|
.get_modes = lcm_get_modes,
|
|
};
|
|
|
|
static int lcm_probe(struct mipi_dsi_device *dsi)
|
|
{
|
|
struct device *dev = &dsi->dev;
|
|
struct lcm *ctx;
|
|
struct device_node *backlight;
|
|
int ret;
|
|
struct device_node *dsi_node, *remote_node = NULL, *endpoint = NULL;
|
|
|
|
dsi_node = of_get_parent(dev->of_node);
|
|
if (dsi_node) {
|
|
endpoint = of_graph_get_next_endpoint(dsi_node, NULL);
|
|
if (endpoint) {
|
|
remote_node = of_graph_get_remote_port_parent(endpoint);
|
|
if (!remote_node) {
|
|
pr_info("No panel connected,skip probe lcm\n");
|
|
return -ENODEV;
|
|
}
|
|
pr_info("device node name:%s\n", remote_node->name);
|
|
}
|
|
}
|
|
if (remote_node != dev->of_node) {
|
|
pr_info("%s+ skip probe due to not current lcm\n", __func__);
|
|
return -ENODEV;
|
|
}
|
|
|
|
ctx = devm_kzalloc(dev, sizeof(struct lcm), 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_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, "%s: cannot get reset-gpios %ld\n",
|
|
__func__, PTR_ERR(ctx->reset_gpio));
|
|
return PTR_ERR(ctx->reset_gpio);
|
|
}
|
|
devm_gpiod_put(dev, ctx->reset_gpio);
|
|
#ifndef CONFIG_RT4831A_I2C
|
|
#if defined(CONFIG_RT5081_PMU_DSV) || defined(CONFIG_MT6370_PMU_DSV)
|
|
lcm_panel_bias_enable();
|
|
#else
|
|
ctx->bias_pos = devm_gpiod_get_index(dev, "bias", 0, GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->bias_pos)) {
|
|
dev_err(dev, "%s: cannot get bias-pos 0 %ld\n",
|
|
__func__, PTR_ERR(ctx->bias_pos));
|
|
return PTR_ERR(ctx->bias_pos);
|
|
}
|
|
devm_gpiod_put(dev, ctx->bias_pos);
|
|
|
|
ctx->bias_neg = devm_gpiod_get_index(dev, "bias", 1, GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->bias_neg)) {
|
|
dev_err(dev, "%s: cannot get bias-neg 1 %ld\n",
|
|
__func__, PTR_ERR(ctx->bias_neg));
|
|
return PTR_ERR(ctx->bias_neg);
|
|
}
|
|
devm_gpiod_put(dev, ctx->bias_neg);
|
|
#endif
|
|
#endif
|
|
ctx->prepared = true;
|
|
ctx->enabled = true;
|
|
|
|
drm_panel_init(&ctx->panel);
|
|
ctx->panel.dev = dev;
|
|
ctx->panel.funcs = &lcm_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);
|
|
|
|
#if defined(CONFIG_MTK_PANEL_EXT)
|
|
mtk_panel_tch_handle_reg(&ctx->panel);
|
|
ret = mtk_panel_ext_create(dev, &ext_params, &ext_funcs, &ctx->panel);
|
|
if (ret < 0)
|
|
return ret;
|
|
#endif
|
|
|
|
pr_info("%s-\n", __func__);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int lcm_remove(struct mipi_dsi_device *dsi)
|
|
{
|
|
struct lcm *ctx = mipi_dsi_get_drvdata(dsi);
|
|
|
|
mipi_dsi_detach(dsi);
|
|
drm_panel_remove(&ctx->panel);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id lcm_of_match[] = {
|
|
{ .compatible = "truly,ft8756,vdo", },
|
|
{ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(of, lcm_of_match);
|
|
|
|
static struct mipi_dsi_driver lcm_driver = {
|
|
.probe = lcm_probe,
|
|
.remove = lcm_remove,
|
|
.driver = {
|
|
.name = "panel-truly-ft8756-vdo",
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = lcm_of_match,
|
|
},
|
|
};
|
|
|
|
module_mipi_dsi_driver(lcm_driver);
|
|
|
|
MODULE_AUTHOR("Tai-Hua Tseng <tai-hua.tseng@mediatek.com>");
|
|
MODULE_DESCRIPTION("truly ft8756 VDO LCD Panel Driver");
|
|
MODULE_LICENSE("GPL v2");
|