903 lines
25 KiB
C
Executable file
903 lines
25 KiB
C
Executable file
// 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/drm_modes.h>
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#include <linux/delay.h>
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#include <drm/drm_device.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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#include <linux/gpio.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/mediatek_v2/mtk_drm_graphics_base.h"
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#include "../mediatek/mediatek_v2/mtk_log.h"
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#include "../mediatek/mediatek_v2/mtk_panel_ext.h"
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#endif
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#if IS_ENABLED(CONFIG_PRIZE_HARDWARE_INFO)
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#include "../../../misc/mediatek/prize/hardware_info/hardware_info.h"
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extern struct hardware_info current_lcm_info;
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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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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 *bias_pos, *bias_neg;
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struct gpio_desc *pm_enable_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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struct i2c_client *lcm_i2c_client;
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extern unsigned int ilitek_tp_rst;
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static int lcm_i2c_write_bytes(unsigned char addr, unsigned char value);
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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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static struct regulator *lcd_vdd_18;
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static int lcm_panel_lcd_vdd_18_regulator_init(struct device *dev)
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{
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int ret = 0;
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lcd_vdd_18 = regulator_get(dev, "lcd_vdd");
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if (IS_ERR_OR_NULL(lcd_vdd_18)) {
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ret = PTR_ERR(lcd_vdd_18);
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printk("[%s] get vdd regulator failed,ret=%d", __func__, ret);
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return ret;
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}
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if (regulator_count_voltages(lcd_vdd_18) > 0) {
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ret = regulator_set_voltage(lcd_vdd_18, 1800000, 1800000);
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if (ret) {
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printk("[%s]vdd regulator set_vtg failed ret=%d", __func__, ret);
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regulator_put(lcd_vdd_18);
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return ret;
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}
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}
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printk("%s OK!!!\n", __func__);
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return 0;
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}
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static void lcd_vdd_18_enable(void)
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{
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int ret = 0;
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ret = regulator_enable(lcd_vdd_18);
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if (ret < 0)
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printk("[%s]regulator lcd_vdd_18 fail, ret = %d\n", __func__,ret);
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}
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void lcd_vdd_18_disable(void)
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{
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int ret = 0;
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ret = regulator_disable(lcd_vdd_18);
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if (ret < 0)
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printk("[%s]regulator lcd_vdd_18 fail, ret = %d\n", __func__,ret);
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}
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static void lcm_panel_init(struct lcm *ctx)
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{
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ctx->reset_gpio = devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_LOW);
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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(10 * 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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lcm_dcs_write_seq_static(ctx,0xFF,0x98,0x83,0x01);
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//STV Setting
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lcm_dcs_write_seq_static(ctx,0x00,0x4E);
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lcm_dcs_write_seq_static(ctx,0x01,0x35);
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lcm_dcs_write_seq_static(ctx,0x02,0x00);
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lcm_dcs_write_seq_static(ctx,0x03,0x00);
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lcm_dcs_write_seq_static(ctx,0x04,0xCA);
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lcm_dcs_write_seq_static(ctx,0x05,0x15);
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lcm_dcs_write_seq_static(ctx,0x06,0x00);
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lcm_dcs_write_seq_static(ctx,0x07,0x00);
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//CLK Setting
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lcm_dcs_write_seq_static(ctx,0x08,0x89);
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lcm_dcs_write_seq_static(ctx,0x09,0x0A);
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lcm_dcs_write_seq_static(ctx,0x0A,0xB4);
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lcm_dcs_write_seq_static(ctx,0x0C,0x00);
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lcm_dcs_write_seq_static(ctx,0x0D,0x00);
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lcm_dcs_write_seq_static(ctx,0x0E,0x00);
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lcm_dcs_write_seq_static(ctx,0x0F,0x00);
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lcm_dcs_write_seq_static(ctx,0x0B,0x00);
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lcm_dcs_write_seq_static(ctx,0x16,0x89);
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lcm_dcs_write_seq_static(ctx,0x17,0x0A);
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lcm_dcs_write_seq_static(ctx,0x18,0x34);
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lcm_dcs_write_seq_static(ctx,0x1A,0x00);
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lcm_dcs_write_seq_static(ctx,0x1B,0x00);
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lcm_dcs_write_seq_static(ctx,0x1C,0x00);
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lcm_dcs_write_seq_static(ctx,0x1D,0x00);
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lcm_dcs_write_seq_static(ctx,0x19,0x00);
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//STCH Setting
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lcm_dcs_write_seq_static(ctx,0x28,0x4E);
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lcm_dcs_write_seq_static(ctx,0x2A,0x4E);
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lcm_dcs_write_seq_static(ctx,0x29,0x95);
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lcm_dcs_write_seq_static(ctx,0x2B,0x95);
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lcm_dcs_write_seq_static(ctx,0xEE,0x10);
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lcm_dcs_write_seq_static(ctx,0xEF,0x00);
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lcm_dcs_write_seq_static(ctx,0xF0,0x00);
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//FW_R
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lcm_dcs_write_seq_static(ctx,0x31,0x02); // R[01]_VGL (VGLO)
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lcm_dcs_write_seq_static(ctx,0x32,0x02); // R[02]_VGL (VGLO)
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lcm_dcs_write_seq_static(ctx,0x33,0x22); // R[03]_VDS (STCH_1)
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lcm_dcs_write_seq_static(ctx,0x34,0x22); // R[04]_VDS (STCH_1)
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lcm_dcs_write_seq_static(ctx,0x35,0x02); // R[05]_VSD (VGLO)
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lcm_dcs_write_seq_static(ctx,0x36,0x02); // R[06]_VSD (VGLO)
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lcm_dcs_write_seq_static(ctx,0x37,0x23); // R[07]_TPE (STCH_2)
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lcm_dcs_write_seq_static(ctx,0x38,0x02); // R[08]_VGL (VGLO)
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lcm_dcs_write_seq_static(ctx,0x39,0x02); // R[09]_VGL (VGLO)
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lcm_dcs_write_seq_static(ctx,0x3A,0x02); // R[10]_VGL (VGLO)
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lcm_dcs_write_seq_static(ctx,0x3B,0x23); // R[11]_RESET (STCH_2)
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lcm_dcs_write_seq_static(ctx,0x3C,0x10); // R[12]_CLK1L (CLK_A_1)
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lcm_dcs_write_seq_static(ctx,0x3D,0x12); // R[13]_CLK2L (CLK_A_3)
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lcm_dcs_write_seq_static(ctx,0x3E,0x14); // R[14]_CLK3L (CLK_A_5)
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lcm_dcs_write_seq_static(ctx,0x3F,0x16); // R[15]_CLK4L (CLK_A_7)
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lcm_dcs_write_seq_static(ctx,0x40,0x18); // R[16]_CLK5L (CLK_B_1)
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lcm_dcs_write_seq_static(ctx,0x41,0x1A); // R[17]_CLK6L (CLK_B_3)
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lcm_dcs_write_seq_static(ctx,0x42,0x0C); // R[18]_STV3L (STV_B_1)
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lcm_dcs_write_seq_static(ctx,0x43,0x0A); // R[19]_STV2L (STV_A_3)
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lcm_dcs_write_seq_static(ctx,0x44,0x08); // R[20]_STV1L (STV_A_1)
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lcm_dcs_write_seq_static(ctx,0x45,0x07); // R[21]_NC (Hi-Z)
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lcm_dcs_write_seq_static(ctx,0x46,0x07); // R[22]_NC (Hi-Z)
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//FW_L
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lcm_dcs_write_seq_static(ctx,0x47,0x02); // L[01]_VGL (VGLO)
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lcm_dcs_write_seq_static(ctx,0x48,0x02); // L[02]_VGL (VGLO)
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lcm_dcs_write_seq_static(ctx,0x49,0x22); // L[03]_VDS (STCH_1)
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lcm_dcs_write_seq_static(ctx,0x4A,0x22); // L[04]_VDS (STCH_1)
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lcm_dcs_write_seq_static(ctx,0x4B,0x02); // L[05]_VSD (VGLO)
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lcm_dcs_write_seq_static(ctx,0x4C,0x02); // L[06]_VSD (VGLO)
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lcm_dcs_write_seq_static(ctx,0x4D,0x23); // L[07]_TPE (STCH_2)
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lcm_dcs_write_seq_static(ctx,0x4E,0x02); // L[08]_VGL (VGLO)
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lcm_dcs_write_seq_static(ctx,0x4F,0x02); // L[09]_VGL (VGLO)
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lcm_dcs_write_seq_static(ctx,0x50,0x02); // L[10]_VGL (VGLO)
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lcm_dcs_write_seq_static(ctx,0x51,0x23); // L[11]_RESET (STCH_2)
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lcm_dcs_write_seq_static(ctx,0x52,0x11); // L[12]_CLK1R (CLK_A_2)
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lcm_dcs_write_seq_static(ctx,0x53,0x13); // L[13]_CLK2R (CLK_A_4)
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lcm_dcs_write_seq_static(ctx,0x54,0x15); // L[14]_CLK3R (CLK_A_6)
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lcm_dcs_write_seq_static(ctx,0x55,0x17); // L[15]_CLK4R (CLK_A_8)
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lcm_dcs_write_seq_static(ctx,0x56,0x19); // L[16]_CLK5R (CLK_B_2)
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lcm_dcs_write_seq_static(ctx,0x57,0x1B); // L[17]_CLK6R (CLK_B_4)
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lcm_dcs_write_seq_static(ctx,0x58,0x0D); // L[18]_STV3R (STV_B_2)
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lcm_dcs_write_seq_static(ctx,0x59,0x0B); // L[19]_STV2R (STV_A_4)
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lcm_dcs_write_seq_static(ctx,0x5A,0x09); // L[20]_STV1R (STV_A_2)
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lcm_dcs_write_seq_static(ctx,0x5B,0x07); // L[21]_NC (Hi-Z)
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lcm_dcs_write_seq_static(ctx,0x5C,0x07); // L[22]_NC (Hi-Z)
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lcm_dcs_write_seq_static(ctx,0xC3,0x00);
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/* pri add for SN339D-2594 start */
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lcm_dcs_write_seq_static(ctx,0xD1,0x00);
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lcm_dcs_write_seq_static(ctx,0xE6,0x12);
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lcm_dcs_write_seq_static(ctx,0xE7,0x54);
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lcm_dcs_write_seq_static(ctx,0xD5,0x04);
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lcm_dcs_write_seq_static(ctx,0xD3,0x00);
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/* pri add for SN339D-2594 end */
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lcm_dcs_write_seq_static(ctx,0xFF,0x98,0x83,0x02);
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lcm_dcs_write_seq_static(ctx,0x06,0x57);
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lcm_dcs_write_seq_static(ctx,0x0A,0x5B);
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lcm_dcs_write_seq_static(ctx,0x0C,0x00);
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lcm_dcs_write_seq_static(ctx,0x0D,0x22);
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lcm_dcs_write_seq_static(ctx,0x0E,0x6E);
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lcm_dcs_write_seq_static(ctx,0x39,0x05);
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lcm_dcs_write_seq_static(ctx,0x3A,0x22);
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lcm_dcs_write_seq_static(ctx,0x3B,0x6E);
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lcm_dcs_write_seq_static(ctx,0x3C,0xA8);
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lcm_dcs_write_seq_static(ctx,0xF0,0x01);
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lcm_dcs_write_seq_static(ctx,0xF1,0x6F);
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// lcm_dcs_write_seq_static(ctx,0x29,0x38);
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// lcm_dcs_write_seq_static(ctx,0x2A,0x38);
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lcm_dcs_write_seq_static(ctx,0x48,0x01);
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lcm_dcs_write_seq_static(ctx,0x44,0x68);
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lcm_dcs_write_seq_static(ctx,0x40,0x50); //SDT 2us
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lcm_dcs_write_seq_static(ctx,0xFF,0x98,0x83,0x03);
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lcm_dcs_write_seq_static(ctx,0x20,0x01);
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lcm_dcs_write_seq_static(ctx,0x22,0xFA);
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lcm_dcs_write_seq_static(ctx,0xFF,0x98,0x83,0x05);
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lcm_dcs_write_seq_static(ctx,0x03,0x00); //VCOM1 01
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lcm_dcs_write_seq_static(ctx,0x04,0xDC); //VCOM1 13
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lcm_dcs_write_seq_static(ctx,0x69,0x9C);
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lcm_dcs_write_seq_static(ctx,0x6A,0x9C);
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lcm_dcs_write_seq_static(ctx,0x6D,0xC9);
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lcm_dcs_write_seq_static(ctx,0x73,0xCF);
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lcm_dcs_write_seq_static(ctx,0x79,0x8D);
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lcm_dcs_write_seq_static(ctx,0x7F,0x7F);
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lcm_dcs_write_seq_static(ctx,0x61,0x12);
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lcm_dcs_write_seq_static(ctx,0x68,0x3E);
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lcm_dcs_write_seq_static(ctx,0x66,0x33);
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// lcm_dcs_write_seq_static(ctx,0x65,0x07);
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lcm_dcs_write_seq_static(ctx,0xFF,0x98,0x83,0x06);
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lcm_dcs_write_seq_static(ctx,0xD9,0x1F);
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lcm_dcs_write_seq_static(ctx,0xC0,0x4C);
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lcm_dcs_write_seq_static(ctx,0xC1,0x16);
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lcm_dcs_write_seq_static(ctx,0x93,0x50);
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lcm_dcs_write_seq_static(ctx,0x0A,0x50);
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lcm_dcs_write_seq_static(ctx,0xFF,0x98,0x83,0x08);
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lcm_dcs_write_seq_static(ctx,0xE0,0x00,0x24,0x34,0x60,0x8D,0x50,0xC8,0xFB,0x23,0x54,0x95,0x7C,0xBB,0xEE,0x1C,0xAA,0x48,0x75,0xAA,0xCC,0xFE,0xF5,0x17,0x43,0x78,0x3F,0xA3,0xDA,0xEC);
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lcm_dcs_write_seq_static(ctx,0xE1,0x00,0x24,0x34,0x60,0x8D,0x50,0xC8,0xFB,0x23,0x54,0x95,0x7C,0xBB,0xEE,0x1C,0xAA,0x48,0x75,0xAA,0xCC,0xFE,0xF5,0x17,0x43,0x78,0x3F,0xA3,0xDA,0xEC);
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lcm_dcs_write_seq_static(ctx,0xFF,0x98,0x83,0x0A);
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lcm_dcs_write_seq_static(ctx,0xE0,0x01);
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lcm_dcs_write_seq_static(ctx,0xE1,0x0B);
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lcm_dcs_write_seq_static(ctx,0xE2,0x01);
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lcm_dcs_write_seq_static(ctx,0xFF,0x98,0x83,0x0B);
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lcm_dcs_write_seq_static(ctx,0x9A,0x85);
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lcm_dcs_write_seq_static(ctx,0x9B,0x85);
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lcm_dcs_write_seq_static(ctx,0x9C,0x04);
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lcm_dcs_write_seq_static(ctx,0x9D,0x04);
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lcm_dcs_write_seq_static(ctx,0x9E,0x8A);
|
|
lcm_dcs_write_seq_static(ctx,0x9F,0x8A);
|
|
lcm_dcs_write_seq_static(ctx,0xAA,0x22);
|
|
lcm_dcs_write_seq_static(ctx,0xAB,0xE0);
|
|
|
|
lcm_dcs_write_seq_static(ctx,0xFF,0x98,0x83,0x0E);
|
|
/* prize modify for SN339D-2594 start */
|
|
lcm_dcs_write_seq_static(ctx,0x11,0x4B);
|
|
/* prize modify for SN339D-2594 end */
|
|
lcm_dcs_write_seq_static(ctx,0x12,0x02);
|
|
lcm_dcs_write_seq_static(ctx,0x13,0x14);
|
|
lcm_dcs_write_seq_static(ctx,0x00,0xA0);
|
|
lcm_dcs_write_seq_static(ctx,0xFF,0x98,0x83,0x00);
|
|
lcm_dcs_write_seq_static(ctx,0x35,0x00);
|
|
|
|
|
|
lcm_dcs_write_seq_static(ctx,0x11,0x00);
|
|
mdelay(120);
|
|
lcm_dcs_write_seq_static(ctx,0x29,0x00);
|
|
mdelay(10);
|
|
}
|
|
|
|
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;
|
|
|
|
ctx->reset_gpio = devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_LOW);
|
|
gpiod_set_value(ctx->reset_gpio, 0);
|
|
devm_gpiod_put(ctx->dev, ctx->reset_gpio);
|
|
|
|
gpio_set_value(ilitek_tp_rst, 0);
|
|
udelay(4000);
|
|
|
|
ctx->bias_neg =
|
|
devm_gpiod_get_index(ctx->dev, "bias", 0, GPIOD_OUT_HIGH);
|
|
gpiod_set_value(ctx->bias_neg, 0);
|
|
devm_gpiod_put(ctx->dev, ctx->bias_neg);
|
|
udelay(2000);
|
|
|
|
ctx->bias_pos =
|
|
devm_gpiod_get_index(ctx->dev, "bias", 1, GPIOD_OUT_HIGH);
|
|
gpiod_set_value(ctx->bias_pos, 0);
|
|
devm_gpiod_put(ctx->dev, ctx->bias_pos);
|
|
udelay(8000);
|
|
|
|
lcd_vdd_18_disable();
|
|
|
|
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;
|
|
|
|
lcd_vdd_18_enable();
|
|
udelay(2000);
|
|
|
|
ctx->bias_pos =
|
|
devm_gpiod_get_index(ctx->dev, "bias", 1, GPIOD_OUT_HIGH);
|
|
gpiod_set_value(ctx->bias_pos, 1);
|
|
devm_gpiod_put(ctx->dev, ctx->bias_pos);
|
|
udelay(4000);
|
|
|
|
ctx->bias_neg =
|
|
devm_gpiod_get_index(ctx->dev, "bias", 0, GPIOD_OUT_HIGH);
|
|
gpiod_set_value(ctx->bias_neg, 1);
|
|
devm_gpiod_put(ctx->dev, ctx->bias_neg);
|
|
udelay(2000);
|
|
|
|
lcm_i2c_write_bytes(0x0, 0x14);
|
|
lcm_i2c_write_bytes(0x1, 0x14);
|
|
|
|
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 (143)
|
|
#define HSA (12)
|
|
#define HBP (48)
|
|
#define VFP_60HZ (1372)
|
|
#define VFP_90HZ (366)
|
|
#define VSA (4)
|
|
#define VBP (30)
|
|
#define VAC (1612)
|
|
#define HAC (720)
|
|
#define PHYSICAL_WIDTH 67930
|
|
#define PHYSICAL_HEIGHT 152090
|
|
|
|
static struct drm_display_mode default_mode = {
|
|
.clock = (HAC + HFP + HSA + HBP)*(VAC + VFP_60HZ + VSA + VBP)*60/1000,
|
|
.hdisplay = HAC,
|
|
.hsync_start = HAC + HFP,
|
|
.hsync_end = HAC + HFP + HSA,
|
|
.htotal = HAC + HFP + HSA + HBP,
|
|
.vdisplay = VAC,
|
|
.vsync_start = VAC + VFP_60HZ,
|
|
.vsync_end = VAC + VFP_60HZ + VSA,
|
|
.vtotal = VAC + VFP_60HZ + VSA + VBP,
|
|
};
|
|
|
|
static struct drm_display_mode mode_90hz = {
|
|
.clock = (HAC + HFP + HSA + HBP)*(VAC + VFP_90HZ + VSA + VBP)*90/1000,
|
|
.hdisplay = HAC,
|
|
.hsync_start = HAC + HFP,
|
|
.hsync_end = HAC + HFP + HSA,
|
|
.htotal = HAC + HFP + HSA + HBP,
|
|
.vdisplay = VAC,
|
|
.vsync_start = VAC + VFP_90HZ,
|
|
.vsync_end = VAC + VFP_90HZ + VSA,
|
|
.vtotal = VAC + VFP_90HZ + VSA + VBP,
|
|
};
|
|
|
|
#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);
|
|
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, 0xda, data, 1);
|
|
if (ret < 0) {
|
|
pr_err("%s error\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
pr_info("ATA read data %x %x %x\n", data[0], data[1], data[2]);
|
|
|
|
if (data[0] == 0xa3)
|
|
return 1;
|
|
|
|
pr_info("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 = 550,
|
|
// .vfp_low_power = 840,
|
|
.cust_esd_check = 1,
|
|
.esd_check_enable = 1,
|
|
.lcm_color_mode = MTK_DRM_COLOR_MODE_DISPLAY_P3,
|
|
.physical_width_um = PHYSICAL_WIDTH,
|
|
.physical_height_um = PHYSICAL_HEIGHT,
|
|
.lcm_esd_check_table[0] = {
|
|
.cmd = 0x0a,
|
|
.count = 1,
|
|
.para_list[0] = 0x9c,
|
|
},
|
|
.dyn_fps = {
|
|
.switch_en = 1, .vact_timing_fps = 90,
|
|
},
|
|
|
|
};
|
|
|
|
static struct mtk_panel_params ext_params_90hz = {
|
|
.pll_clk = 550,
|
|
// .vfp_low_power = 840,
|
|
.cust_esd_check = 1,
|
|
.esd_check_enable = 1,
|
|
.lcm_color_mode = MTK_DRM_COLOR_MODE_DISPLAY_P3,
|
|
.physical_width_um = PHYSICAL_WIDTH,
|
|
.physical_height_um = PHYSICAL_HEIGHT,
|
|
.lcm_esd_check_table[0] = {
|
|
.cmd = 0x0a,
|
|
.count = 1,
|
|
.para_list[0] = 0x9c,
|
|
},
|
|
.dyn_fps = {
|
|
.switch_en = 1, .vact_timing_fps = 90,
|
|
},
|
|
};
|
|
|
|
struct drm_display_mode *get_mode_by_id(struct drm_connector *connector,
|
|
unsigned int mode)
|
|
{
|
|
struct drm_display_mode *m;
|
|
unsigned int i = 0;
|
|
|
|
list_for_each_entry(m, &connector->modes, head) {
|
|
if (i == mode)
|
|
return m;
|
|
i++;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int mtk_panel_ext_param_set(struct drm_panel *panel,
|
|
struct drm_connector *connector, unsigned int mode)
|
|
{
|
|
struct mtk_panel_ext *ext = find_panel_ext(panel);
|
|
int ret = 0;
|
|
struct drm_display_mode *m = get_mode_by_id(connector, mode);
|
|
|
|
|
|
if (drm_mode_vrefresh(m) == 60)
|
|
ext->params = &ext_params;
|
|
else if (drm_mode_vrefresh(m) == 90)
|
|
ext->params = &ext_params_90hz;
|
|
else
|
|
ret = 1;
|
|
|
|
return ret;
|
|
}
|
|
|
|
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,
|
|
.ext_param_set = mtk_panel_ext_param_set,
|
|
};
|
|
#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_connector *connector)
|
|
{
|
|
struct drm_display_mode *mode;
|
|
struct drm_display_mode *mode_1;
|
|
|
|
mode = drm_mode_duplicate(connector->dev, &default_mode);
|
|
if (!mode) {
|
|
dev_info(connector->dev->dev, "failed to add mode %ux%ux@%u\n",
|
|
default_mode.hdisplay, default_mode.vdisplay,
|
|
drm_mode_vrefresh(&default_mode));
|
|
return -ENOMEM;
|
|
}
|
|
|
|
drm_mode_set_name(mode);
|
|
mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
|
|
drm_mode_probed_add(connector, mode);
|
|
|
|
mode_1 = drm_mode_duplicate(connector->dev, &mode_90hz);
|
|
if (!mode_1) {
|
|
dev_info(connector->dev->dev, "failed to add mode %ux%ux@%u\n",
|
|
mode_90hz.hdisplay, mode_90hz.vdisplay,
|
|
drm_mode_vrefresh(&mode_90hz));
|
|
return -ENOMEM;
|
|
}
|
|
|
|
drm_mode_set_name(mode_1);
|
|
mode_1->type = DRM_MODE_TYPE_DRIVER;
|
|
drm_mode_probed_add(connector, mode_1);
|
|
|
|
connector->display_info.width_mm = 68;
|
|
connector->display_info.height_mm = 152;
|
|
|
|
return 2;
|
|
}
|
|
|
|
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_i2c_write_bytes(unsigned char addr, unsigned char value)
|
|
{
|
|
int ret = 0;
|
|
struct i2c_client *client = lcm_i2c_client;
|
|
char write_data[2] = { 0 };
|
|
|
|
if (client == NULL) {
|
|
pr_debug("ERROR!! lcm_i2c_client is null\n");
|
|
return 0;
|
|
}
|
|
|
|
write_data[0] = addr;
|
|
write_data[1] = value;
|
|
ret = i2c_master_send(client, write_data, 2);
|
|
if (ret < 0)
|
|
pr_info("[LCM][ERROR] _lcm_i2c write data fail !!\n");
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int lcm_i2c_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
pr_debug("[LCM][I2C]: info==>name=%s addr=0x%x\n", client->name,client->addr);
|
|
lcm_i2c_client = client;
|
|
return 0;
|
|
}
|
|
|
|
static int lcm_i2c_remove(struct i2c_client *client)
|
|
{
|
|
pr_debug("[LCM][I2C] %s\n", __func__);
|
|
lcm_i2c_client = NULL;
|
|
i2c_unregister_device(client);
|
|
return 0;
|
|
}
|
|
|
|
static const struct of_device_id _lcm_i2c_of_match[] = {
|
|
{
|
|
.compatible = "awinic,aw3750",
|
|
},
|
|
{},
|
|
};
|
|
|
|
static struct i2c_driver lcm_i2c_driver = {
|
|
.probe = lcm_i2c_probe,
|
|
.remove = lcm_i2c_remove,
|
|
.driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = "aw3750",
|
|
.of_match_table = _lcm_i2c_of_match,
|
|
},
|
|
};
|
|
|
|
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_NO_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;
|
|
}
|
|
|
|
i2c_add_driver(&lcm_i2c_driver);
|
|
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->bias_pos = devm_gpiod_get_index(dev, "bias", 0, GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->bias_pos)) {
|
|
dev_err(dev, "cannot get bias-gpios 0 %ld\n",
|
|
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, "cannot get bias-gpios 1 %ld\n",
|
|
PTR_ERR(ctx->bias_neg));
|
|
return PTR_ERR(ctx->bias_neg);
|
|
}
|
|
devm_gpiod_put(dev, ctx->bias_neg);
|
|
|
|
lcm_panel_lcd_vdd_18_regulator_init(dev);
|
|
lcd_vdd_18_enable();
|
|
|
|
#ifndef CONFIG_MTK_DISP_NO_LK
|
|
ctx->prepared = true;
|
|
ctx->enabled = true;
|
|
#endif
|
|
|
|
drm_panel_init(&ctx->panel, dev, &lcm_drm_funcs, DRM_MODE_CONNECTOR_DSI);
|
|
ctx->panel.dev = dev;
|
|
ctx->panel.funcs = &lcm_drm_funcs;
|
|
|
|
drm_panel_add(&ctx->panel);
|
|
|
|
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
|
|
|
|
#if IS_ENABLED(CONFIG_PRIZE_HARDWARE_INFO)
|
|
strcpy(current_lcm_info.chip,"ili9883");
|
|
strcpy(current_lcm_info.vendor,"huike");
|
|
sprintf(current_lcm_info.id,"0x%02x",0xa2);
|
|
strcpy(current_lcm_info.more,"720*1612");
|
|
#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 = "huashi,ili9883,vdo", },
|
|
{ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(of, lcm_of_match);
|
|
|
|
static struct mipi_dsi_driver lcm_driver = {
|
|
.probe = lcm_probe,
|
|
.remove = lcm_remove,
|
|
.driver = {
|
|
.name = "panel-huashi-ili9883-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("xxx ili9883 VDO LCD Panel Driver");
|
|
MODULE_LICENSE("GPL v2");
|