910 lines
26 KiB
C
Executable file
910 lines
26 KiB
C
Executable file
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2019 MediaTek Inc.
|
|
*/
|
|
|
|
#include <linux/backlight.h>
|
|
#include <drm/drmP.h>
|
|
#include <drm/drm_mipi_dsi.h>
|
|
#include <drm/drm_panel.h>
|
|
|
|
#include <linux/gpio/consumer.h>
|
|
#include <linux/regulator/consumer.h>
|
|
|
|
#include <video/mipi_display.h>
|
|
#include <video/of_videomode.h>
|
|
#include <video/videomode.h>
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/of_platform.h>
|
|
#include <linux/of_graph.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#define CONFIG_MTK_PANEL_EXT
|
|
#if defined(CONFIG_MTK_PANEL_EXT)
|
|
#include "../mediatek/mtk_panel_ext.h"
|
|
#include "../mediatek/mtk_log.h"
|
|
#include "../mediatek/mtk_drm_graphics_base.h"
|
|
#endif
|
|
|
|
#ifdef CONFIG_MTK_ROUND_CORNER_SUPPORT
|
|
#include "../mediatek/mtk_corner_pattern/mtk_data_hw_roundedpattern.h"
|
|
#endif
|
|
|
|
#if defined(CONFIG_RT4831A_I2C)
|
|
#include "../../../misc/mediatek/gate_ic/gate_i2c.h"
|
|
#endif
|
|
|
|
struct lcm {
|
|
struct device *dev;
|
|
struct drm_panel panel;
|
|
struct backlight_device *backlight;
|
|
struct gpio_desc *pm_enable_gpio;
|
|
struct gpio_desc *reset_gpio;
|
|
struct gpio_desc *bias_pos, *bias_neg;
|
|
|
|
bool prepared;
|
|
bool enabled;
|
|
|
|
int error;
|
|
};
|
|
|
|
#define lcm_dcs_write_seq(ctx, seq...) \
|
|
({\
|
|
const u8 d[] = { seq };\
|
|
BUILD_BUG_ON_MSG(ARRAY_SIZE(d) > 64, "DCS sequence too big for stack");\
|
|
lcm_dcs_write(ctx, d, ARRAY_SIZE(d));\
|
|
})
|
|
|
|
#define lcm_dcs_write_seq_static(ctx, seq...) \
|
|
({\
|
|
static const u8 d[] = { seq };\
|
|
lcm_dcs_write(ctx, d, ARRAY_SIZE(d));\
|
|
})
|
|
|
|
static inline struct lcm *panel_to_lcm(struct drm_panel *panel)
|
|
{
|
|
return container_of(panel, struct lcm, panel);
|
|
}
|
|
|
|
static void lcm_dcs_write(struct lcm *ctx, const void *data, size_t len)
|
|
{
|
|
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
|
|
ssize_t ret;
|
|
char *addr;
|
|
|
|
if (ctx->error < 0)
|
|
return;
|
|
|
|
addr = (char *)data;
|
|
if ((int)*addr < 0xB0)
|
|
ret = mipi_dsi_dcs_write_buffer(dsi, data, len);
|
|
else
|
|
ret = mipi_dsi_generic_write(dsi, data, len);
|
|
if (ret < 0) {
|
|
dev_err(ctx->dev, "error %zd writing seq: %ph\n", ret, data);
|
|
ctx->error = ret;
|
|
}
|
|
}
|
|
|
|
#ifdef PANEL_SUPPORT_READBACK
|
|
static int lcm_dcs_read(struct lcm *ctx, u8 cmd, void *data, size_t len)
|
|
{
|
|
struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
|
|
ssize_t ret;
|
|
|
|
if (ctx->error < 0)
|
|
return 0;
|
|
|
|
ret = mipi_dsi_dcs_read(dsi, cmd, data, len);
|
|
if (ret < 0) {
|
|
dev_err(ctx->dev, "error %d reading dcs seq:(%#x)\n", ret, cmd);
|
|
ctx->error = ret;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void lcm_panel_get_data(struct lcm *ctx)
|
|
{
|
|
u8 buffer[3] = {0};
|
|
static int ret;
|
|
|
|
if (ret == 0) {
|
|
ret = lcm_dcs_read(ctx, 0x0A, buffer, 1);
|
|
dev_info(ctx->dev, "return %d data(0x%08x) to dsi engine\n",
|
|
ret, buffer[0] | (buffer[1] << 8));
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined(CONFIG_RT5081_PMU_DSV) || defined(CONFIG_MT6370_PMU_DSV)
|
|
static struct regulator *disp_bias_pos;
|
|
static struct regulator *disp_bias_neg;
|
|
|
|
|
|
static int lcm_panel_bias_regulator_init(void)
|
|
{
|
|
static int regulator_inited;
|
|
int ret = 0;
|
|
|
|
if (regulator_inited)
|
|
return ret;
|
|
|
|
/* please only get regulator once in a driver */
|
|
disp_bias_pos = regulator_get(NULL, "dsv_pos");
|
|
if (IS_ERR(disp_bias_pos)) { /* handle return value */
|
|
ret = PTR_ERR(disp_bias_pos);
|
|
pr_err("get dsv_pos fail, error: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
disp_bias_neg = regulator_get(NULL, "dsv_neg");
|
|
if (IS_ERR(disp_bias_neg)) { /* handle return value */
|
|
ret = PTR_ERR(disp_bias_neg);
|
|
pr_err("get dsv_neg fail, error: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
regulator_inited = 1;
|
|
return ret; /* must be 0 */
|
|
|
|
}
|
|
|
|
static int lcm_panel_bias_enable(void)
|
|
{
|
|
int ret = 0;
|
|
int retval = 0;
|
|
|
|
lcm_panel_bias_regulator_init();
|
|
|
|
/* set voltage with min & max*/
|
|
ret = regulator_set_voltage(disp_bias_pos, 5400000, 5400000);
|
|
if (ret < 0)
|
|
pr_err("set voltage disp_bias_pos fail, ret = %d\n", ret);
|
|
retval |= ret;
|
|
|
|
ret = regulator_set_voltage(disp_bias_neg, 5400000, 5400000);
|
|
if (ret < 0)
|
|
pr_err("set voltage disp_bias_neg fail, ret = %d\n", ret);
|
|
retval |= ret;
|
|
|
|
/* enable regulator */
|
|
ret = regulator_enable(disp_bias_pos);
|
|
if (ret < 0)
|
|
pr_err("enable regulator disp_bias_pos fail, ret = %d\n", ret);
|
|
retval |= ret;
|
|
|
|
ret = regulator_enable(disp_bias_neg);
|
|
if (ret < 0)
|
|
pr_err("enable regulator disp_bias_neg fail, ret = %d\n", ret);
|
|
retval |= ret;
|
|
|
|
return retval;
|
|
}
|
|
|
|
static int lcm_panel_bias_disable(void)
|
|
{
|
|
int ret = 0;
|
|
int retval = 0;
|
|
|
|
lcm_panel_bias_regulator_init();
|
|
|
|
ret = regulator_disable(disp_bias_neg);
|
|
if (ret < 0)
|
|
pr_err("disable regulator disp_bias_neg fail, ret = %d\n", ret);
|
|
retval |= ret;
|
|
|
|
ret = regulator_disable(disp_bias_pos);
|
|
if (ret < 0)
|
|
pr_err("disable regulator disp_bias_pos fail, ret = %d\n", ret);
|
|
retval |= ret;
|
|
|
|
return retval;
|
|
}
|
|
#endif
|
|
|
|
static void lcm_panel_init(struct lcm *ctx)
|
|
{
|
|
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;
|
|
}
|
|
gpiod_set_value(ctx->reset_gpio, 0);
|
|
udelay(15 * 1000);
|
|
gpiod_set_value(ctx->reset_gpio, 1);
|
|
udelay(1 * 1000);
|
|
gpiod_set_value(ctx->reset_gpio, 0);
|
|
udelay(10 * 1000);
|
|
gpiod_set_value(ctx->reset_gpio, 1);
|
|
udelay(10 * 1000);
|
|
devm_gpiod_put(ctx->dev, ctx->reset_gpio);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X10);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0XBB, 0X13);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X20);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X0E, 0XB0);
|
|
lcm_dcs_write_seq_static(ctx, 0X0F, 0XAE);
|
|
lcm_dcs_write_seq_static(ctx, 0X62, 0XAA);
|
|
lcm_dcs_write_seq_static(ctx, 0X6D, 0X44);
|
|
lcm_dcs_write_seq_static(ctx, 0X78, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X95, 0X87);
|
|
lcm_dcs_write_seq_static(ctx, 0X96, 0X87);
|
|
lcm_dcs_write_seq_static(ctx, 0X89, 0X17);
|
|
lcm_dcs_write_seq_static(ctx, 0X8A, 0X17);
|
|
lcm_dcs_write_seq_static(ctx, 0X8B, 0X17);
|
|
lcm_dcs_write_seq_static(ctx, 0X8C, 0X17);
|
|
lcm_dcs_write_seq_static(ctx, 0X8D, 0X17);
|
|
lcm_dcs_write_seq_static(ctx, 0X8E, 0X17);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X24);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X00, 0X1C);
|
|
lcm_dcs_write_seq_static(ctx, 0X01, 0X1C);
|
|
lcm_dcs_write_seq_static(ctx, 0X02, 0X1C);
|
|
lcm_dcs_write_seq_static(ctx, 0X03, 0X1C);
|
|
lcm_dcs_write_seq_static(ctx, 0X04, 0X20);
|
|
lcm_dcs_write_seq_static(ctx, 0X05, 0X0D);
|
|
lcm_dcs_write_seq_static(ctx, 0X06, 0X09);
|
|
lcm_dcs_write_seq_static(ctx, 0X07, 0X0A);
|
|
lcm_dcs_write_seq_static(ctx, 0X08, 0X1E);
|
|
lcm_dcs_write_seq_static(ctx, 0X09, 0X0D);
|
|
lcm_dcs_write_seq_static(ctx, 0X0A, 0X0D);
|
|
lcm_dcs_write_seq_static(ctx, 0X0B, 0X25);
|
|
lcm_dcs_write_seq_static(ctx, 0X0C, 0X24);
|
|
lcm_dcs_write_seq_static(ctx, 0X0D, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X0E, 0X04);
|
|
lcm_dcs_write_seq_static(ctx, 0X0F, 0X04);
|
|
lcm_dcs_write_seq_static(ctx, 0X10, 0X03);
|
|
lcm_dcs_write_seq_static(ctx, 0X11, 0X03);
|
|
lcm_dcs_write_seq_static(ctx, 0X12, 0X14);
|
|
lcm_dcs_write_seq_static(ctx, 0X13, 0X14);
|
|
lcm_dcs_write_seq_static(ctx, 0X14, 0X12);
|
|
lcm_dcs_write_seq_static(ctx, 0X15, 0X12);
|
|
lcm_dcs_write_seq_static(ctx, 0X16, 0X10);
|
|
lcm_dcs_write_seq_static(ctx, 0X17, 0X1C);
|
|
lcm_dcs_write_seq_static(ctx, 0X18, 0X1C);
|
|
lcm_dcs_write_seq_static(ctx, 0X19, 0X1C);
|
|
lcm_dcs_write_seq_static(ctx, 0X1A, 0X1C);
|
|
lcm_dcs_write_seq_static(ctx, 0X1B, 0X20);
|
|
lcm_dcs_write_seq_static(ctx, 0X1C, 0X0D);
|
|
lcm_dcs_write_seq_static(ctx, 0X1D, 0X09);
|
|
lcm_dcs_write_seq_static(ctx, 0X1E, 0X0A);
|
|
lcm_dcs_write_seq_static(ctx, 0X1F, 0X1E);
|
|
lcm_dcs_write_seq_static(ctx, 0X20, 0X0D);
|
|
lcm_dcs_write_seq_static(ctx, 0X21, 0X0D);
|
|
lcm_dcs_write_seq_static(ctx, 0X22, 0X25);
|
|
lcm_dcs_write_seq_static(ctx, 0X23, 0X24);
|
|
lcm_dcs_write_seq_static(ctx, 0X24, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X25, 0X04);
|
|
lcm_dcs_write_seq_static(ctx, 0X26, 0X04);
|
|
lcm_dcs_write_seq_static(ctx, 0X27, 0X03);
|
|
lcm_dcs_write_seq_static(ctx, 0X28, 0X03);
|
|
lcm_dcs_write_seq_static(ctx, 0X29, 0X14);
|
|
lcm_dcs_write_seq_static(ctx, 0X2A, 0X14);
|
|
lcm_dcs_write_seq_static(ctx, 0X2B, 0X12);
|
|
lcm_dcs_write_seq_static(ctx, 0X2D, 0X12);
|
|
lcm_dcs_write_seq_static(ctx, 0X2F, 0X10);
|
|
lcm_dcs_write_seq_static(ctx, 0X31, 0X02);
|
|
lcm_dcs_write_seq_static(ctx, 0X32, 0X03);
|
|
lcm_dcs_write_seq_static(ctx, 0X33, 0X04);
|
|
lcm_dcs_write_seq_static(ctx, 0X34, 0X02);
|
|
lcm_dcs_write_seq_static(ctx, 0X37, 0X09);
|
|
lcm_dcs_write_seq_static(ctx, 0X38, 0X88);
|
|
lcm_dcs_write_seq_static(ctx, 0X39, 0X88);
|
|
lcm_dcs_write_seq_static(ctx, 0X3F, 0X88);
|
|
lcm_dcs_write_seq_static(ctx, 0X41, 0X02);
|
|
lcm_dcs_write_seq_static(ctx, 0X42, 0X03);
|
|
lcm_dcs_write_seq_static(ctx, 0X4C, 0X10);
|
|
lcm_dcs_write_seq_static(ctx, 0X4D, 0X10);
|
|
lcm_dcs_write_seq_static(ctx, 0X61, 0XE8);
|
|
lcm_dcs_write_seq_static(ctx, 0X72, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X73, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X74, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X75, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X79, 0X23);
|
|
lcm_dcs_write_seq_static(ctx, 0X7A, 0X0B);
|
|
lcm_dcs_write_seq_static(ctx, 0X7B, 0X99);
|
|
lcm_dcs_write_seq_static(ctx, 0X7C, 0X80);
|
|
lcm_dcs_write_seq_static(ctx, 0X7D, 0X09);
|
|
lcm_dcs_write_seq_static(ctx, 0X80, 0X42);
|
|
lcm_dcs_write_seq_static(ctx, 0X82, 0X13);
|
|
lcm_dcs_write_seq_static(ctx, 0X83, 0X22);
|
|
lcm_dcs_write_seq_static(ctx, 0X84, 0X31);
|
|
lcm_dcs_write_seq_static(ctx, 0X85, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X86, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X87, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X88, 0X13);
|
|
lcm_dcs_write_seq_static(ctx, 0X89, 0X22);
|
|
lcm_dcs_write_seq_static(ctx, 0X8A, 0X31);
|
|
lcm_dcs_write_seq_static(ctx, 0X8B, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X8C, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X8D, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X8E, 0XF4);
|
|
lcm_dcs_write_seq_static(ctx, 0X8F, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X90, 0X80);
|
|
lcm_dcs_write_seq_static(ctx, 0X92, 0X8D);
|
|
lcm_dcs_write_seq_static(ctx, 0X93, 0X70);
|
|
lcm_dcs_write_seq_static(ctx, 0X94, 0X0C);
|
|
lcm_dcs_write_seq_static(ctx, 0X99, 0X30);
|
|
lcm_dcs_write_seq_static(ctx, 0XA0, 0X30);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XB3, 0X02);
|
|
lcm_dcs_write_seq_static(ctx, 0XB4, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0XDC, 0X64);
|
|
lcm_dcs_write_seq_static(ctx, 0XDD, 0X03);
|
|
lcm_dcs_write_seq_static(ctx, 0XDF, 0X46);
|
|
lcm_dcs_write_seq_static(ctx, 0XE0, 0X46);
|
|
lcm_dcs_write_seq_static(ctx, 0XE1, 0X22);
|
|
lcm_dcs_write_seq_static(ctx, 0XE2, 0X24);
|
|
lcm_dcs_write_seq_static(ctx, 0XE3, 0X09);
|
|
lcm_dcs_write_seq_static(ctx, 0XE4, 0X09);
|
|
lcm_dcs_write_seq_static(ctx, 0XEB, 0X0B);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X25);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X21, 0X19);
|
|
lcm_dcs_write_seq_static(ctx, 0X22, 0X19);
|
|
lcm_dcs_write_seq_static(ctx, 0X24, 0X8D);
|
|
lcm_dcs_write_seq_static(ctx, 0X25, 0X8D);
|
|
lcm_dcs_write_seq_static(ctx, 0X30, 0X35);
|
|
lcm_dcs_write_seq_static(ctx, 0X38, 0X35);
|
|
lcm_dcs_write_seq_static(ctx, 0X3F, 0X20);
|
|
lcm_dcs_write_seq_static(ctx, 0X40, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X4B, 0X20);
|
|
lcm_dcs_write_seq_static(ctx, 0X4C, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X58, 0X22);
|
|
lcm_dcs_write_seq_static(ctx, 0X59, 0X04);
|
|
lcm_dcs_write_seq_static(ctx, 0X5A, 0X09);
|
|
lcm_dcs_write_seq_static(ctx, 0X5B, 0X09);
|
|
lcm_dcs_write_seq_static(ctx, 0X5C, 0X25);
|
|
lcm_dcs_write_seq_static(ctx, 0X5E, 0XFF);
|
|
lcm_dcs_write_seq_static(ctx, 0X5F, 0X28);
|
|
lcm_dcs_write_seq_static(ctx, 0X66, 0XD8);
|
|
lcm_dcs_write_seq_static(ctx, 0X67, 0X2B);
|
|
lcm_dcs_write_seq_static(ctx, 0X68, 0X58);
|
|
lcm_dcs_write_seq_static(ctx, 0X6B, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X6C, 0X6D);
|
|
lcm_dcs_write_seq_static(ctx, 0X77, 0X72);
|
|
lcm_dcs_write_seq_static(ctx, 0XBF, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0XC3, 0X01);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X26);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X00, 0XA0);
|
|
lcm_dcs_write_seq_static(ctx, 0X06, 0XFF);
|
|
lcm_dcs_write_seq_static(ctx, 0X12, 0X72);
|
|
lcm_dcs_write_seq_static(ctx, 0X19, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X1A, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X1C, 0XAF);
|
|
lcm_dcs_write_seq_static(ctx, 0X1D, 0XFF);
|
|
lcm_dcs_write_seq_static(ctx, 0X1E, 0X83);
|
|
lcm_dcs_write_seq_static(ctx, 0X98, 0XF1);
|
|
lcm_dcs_write_seq_static(ctx, 0XA9, 0X11);
|
|
lcm_dcs_write_seq_static(ctx, 0XAA, 0X11);
|
|
lcm_dcs_write_seq_static(ctx, 0XAE, 0X8A);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X27);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X13, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X1E, 0X14);
|
|
lcm_dcs_write_seq_static(ctx, 0X22, 0X00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0XF0);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0XA2, 0X00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0xFF, 0x20);
|
|
lcm_dcs_write_seq_static(ctx, 0xFB, 0x01);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0xB0, 0x00, 0x08, 0x00, 0x09, 0x00, 0x2A,
|
|
0x00, 0x3C, 0x00, 0x4D, 0x00, 0x5C, 0x00, 0x6A, 0x00, 0x78);
|
|
lcm_dcs_write_seq_static(ctx, 0xB1, 0x00, 0x85, 0x00, 0xB5, 0x00, 0xDC,
|
|
0x01, 0x1E, 0x01, 0x4F, 0x01, 0x9F, 0x01, 0xDE, 0x01, 0xE1);
|
|
lcm_dcs_write_seq_static(ctx, 0xB2, 0x02, 0x25, 0x02, 0x6F, 0x02, 0xA5,
|
|
0x02, 0xE0, 0x03, 0x0A, 0x03, 0x39, 0x03, 0x49, 0x03, 0x58);
|
|
lcm_dcs_write_seq_static(ctx, 0xB3, 0x03, 0x6A, 0x03, 0x7E, 0x03, 0x95,
|
|
0x03, 0xB3, 0x03, 0xD0, 0x03, 0xD4, 0x00, 0x00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0xB4, 0x00, 0x08, 0x00, 0x09, 0x00, 0x2A,
|
|
0x00, 0x3C, 0x00, 0x4D, 0x00, 0x5C, 0x00, 0x6A, 0x00, 0x78);
|
|
lcm_dcs_write_seq_static(ctx, 0xB5, 0x00, 0x85, 0x00, 0xB5, 0x00, 0xDC,
|
|
0x01, 0x1E, 0x01, 0x4F, 0x01, 0x9F, 0x01, 0xDE, 0x01, 0xE1);
|
|
lcm_dcs_write_seq_static(ctx, 0xB6, 0x02, 0x25, 0x02, 0x6F, 0x02, 0xA5,
|
|
0x02, 0xE0, 0x03, 0x0A, 0x03, 0x39, 0x03, 0x49, 0x03, 0x58);
|
|
lcm_dcs_write_seq_static(ctx, 0xB7, 0x03, 0x6A, 0x03, 0x7E, 0x03, 0x95,
|
|
0x03, 0xB3, 0x03, 0xD0, 0x03, 0xD4, 0x00, 0x00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0xB8, 0x00, 0x08, 0x00, 0x09, 0x00, 0x2A,
|
|
0x00, 0x3C, 0x00, 0x4D, 0x00, 0x5C, 0x00, 0x6A, 0x00, 0x78);
|
|
lcm_dcs_write_seq_static(ctx, 0xB9, 0x00, 0x85, 0x00, 0xB5, 0x00, 0xDC,
|
|
0x01, 0x1E, 0x01, 0x4F, 0x01, 0x9F, 0x01, 0xDE, 0x01, 0xE1);
|
|
lcm_dcs_write_seq_static(ctx, 0xBA, 0x02, 0x25, 0x02, 0x6F, 0x02, 0xA5,
|
|
0x02, 0xE0, 0x03, 0x0A, 0x03, 0x39, 0x03, 0x49, 0x03, 0x58);
|
|
lcm_dcs_write_seq_static(ctx, 0xBB, 0x03, 0x6A, 0x03, 0x7E, 0x03, 0x95,
|
|
0x03, 0xB3, 0x03, 0xD0, 0x03, 0xD4, 0x00, 0x00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0xFF, 0x21);
|
|
lcm_dcs_write_seq_static(ctx, 0xFB, 0x01);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0xB0, 0x00, 0x00, 0x00, 0x01, 0x00, 0x22,
|
|
0x00, 0x34, 0x00, 0x45, 0x00, 0x54, 0x00, 0x62, 0x00, 0x70);
|
|
lcm_dcs_write_seq_static(ctx, 0xB1, 0x00, 0x7D, 0x00, 0xAD, 0x00, 0xD4,
|
|
0x01, 0x16, 0x01, 0x47, 0x01, 0x97, 0x01, 0xD6, 0x01, 0xD9);
|
|
lcm_dcs_write_seq_static(ctx, 0xB2, 0x02, 0x1D, 0x02, 0x67, 0x02, 0x9D,
|
|
0x02, 0xD8, 0x03, 0x02, 0x03, 0x31, 0x03, 0x41, 0x03, 0x50);
|
|
lcm_dcs_write_seq_static(ctx, 0xB3, 0x03, 0x62, 0x03, 0x76, 0x03, 0x8D,
|
|
0x03, 0xAB, 0x03, 0xC8, 0x03, 0xCC, 0x00, 0x00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0xB4, 0x00, 0x00, 0x00, 0x01, 0x00, 0x22,
|
|
0x00, 0x34, 0x00, 0x45, 0x00, 0x54, 0x00, 0x62, 0x00, 0x70);
|
|
lcm_dcs_write_seq_static(ctx, 0xB5, 0x00, 0x7D, 0x00, 0xAD, 0x00, 0xD4,
|
|
0x01, 0x16, 0x01, 0x47, 0x01, 0x97, 0x01, 0xD6, 0x01, 0xD9);
|
|
lcm_dcs_write_seq_static(ctx, 0xB6, 0x02, 0x1D, 0x02, 0x67, 0x02, 0x9D,
|
|
0x02, 0xD8, 0x03, 0x02, 0x03, 0x31, 0x03, 0x41, 0x03, 0x50);
|
|
lcm_dcs_write_seq_static(ctx, 0xB7, 0x03, 0x62, 0x03, 0x76, 0x03, 0x8D,
|
|
0x03, 0xAB, 0x03, 0xC8, 0x03, 0xCC, 0x00, 0x00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0xB8, 0x00, 0x00, 0x00, 0x01, 0x00, 0x22,
|
|
0x00, 0x34, 0x00, 0x45, 0x00, 0x54, 0x00, 0x62, 0x00, 0x70);
|
|
lcm_dcs_write_seq_static(ctx, 0xB9, 0x00, 0x7D, 0x00, 0xAD, 0x00, 0xD4,
|
|
0x01, 0x16, 0x01, 0x47, 0x01, 0x97, 0x01, 0xD6, 0x01, 0xD9);
|
|
lcm_dcs_write_seq_static(ctx, 0xBA, 0x02, 0x1D, 0x02, 0x67, 0x02, 0x9D,
|
|
0x02, 0xD8, 0x03, 0x02, 0x03, 0x31, 0x03, 0x41, 0x03, 0x50);
|
|
lcm_dcs_write_seq_static(ctx, 0xBB, 0x03, 0x62, 0x03, 0x76, 0x03, 0x8D,
|
|
0x03, 0xAB, 0x03, 0xC8, 0x03, 0xCC, 0x00, 0x00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0xFF, 0X20);
|
|
lcm_dcs_write_seq_static(ctx, 0xFB, 0X01);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0x10);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x35, 0x00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x35);
|
|
/*lcm_dcs_write_seq_static(ctx, 0XBB,0x03);*/
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x11);
|
|
|
|
msleep(120);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x29);
|
|
}
|
|
|
|
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);
|
|
|
|
pr_info("%s\n", __func__);
|
|
|
|
if (!ctx->prepared)
|
|
return 0;
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x28);
|
|
msleep(50);
|
|
lcm_dcs_write_seq_static(ctx, 0x10);
|
|
msleep(120);
|
|
|
|
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();
|
|
_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 (24)
|
|
#define HSA (20)
|
|
#define HBP (20)
|
|
#define VFP (75)
|
|
#define VSA (2)
|
|
#define VBP (12)
|
|
#define VAC (2280)
|
|
#define HAC (1080)
|
|
static const struct drm_display_mode default_mode = {
|
|
.clock = 163406,
|
|
.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] = {0x00, 0x80, 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 struct mtk_panel_params ext_params = {
|
|
.pll_clk = 522,
|
|
.vfp_low_power = 112,
|
|
.cust_esd_check = 0,
|
|
.esd_check_enable = 1,
|
|
.lcm_esd_check_table[0] = {
|
|
.cmd = 0x0a,
|
|
.count = 1,
|
|
.para_list[0] = 0x9c,
|
|
},
|
|
|
|
};
|
|
|
|
static struct mtk_panel_funcs ext_funcs = {
|
|
.reset = panel_ext_reset,
|
|
.set_backlight_cmdq = lcm_setbacklight_cmdq,
|
|
.ata_check = panel_ata_check,
|
|
};
|
|
#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 = 64;
|
|
panel->connector->display_info.height_mm = 129;
|
|
|
|
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
|
|
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
|
|
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 = "nt36672a,rt4801,vdo", },
|
|
{ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(of, lcm_of_match);
|
|
|
|
static struct mipi_dsi_driver lcm_driver = {
|
|
.probe = lcm_probe,
|
|
.remove = lcm_remove,
|
|
.driver = {
|
|
.name = "panel-nt36672a-rt4801-vdo",
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = lcm_of_match,
|
|
},
|
|
};
|
|
|
|
module_mipi_dsi_driver(lcm_driver);
|
|
|
|
MODULE_AUTHOR("Ning Feng <Ning.Feng@mediatek.com>");
|
|
MODULE_DESCRIPTION("truly nt36672a VDO LCD Panel Driver");
|
|
MODULE_LICENSE("GPL v2");
|
|
|