aubrey/kernel_samsung_a34x-permissive
1
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity
kernel_samsung_a34x-permissive/drivers/gpu/drm/panel/panel-nt35695b-auo-cmd.c

1230 lines
38 KiB
C
Raw Permalink Normal View History

Import A346BXXU1AWB9 kernel source Android 13
2024-04-28 06:49:01 -07:00
/* 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
struct lcm {
struct device *dev;
struct drm_panel panel;
struct backlight_device *backlight;
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);
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, 0x24);
lcm_dcs_write_seq_static(ctx, 0xFB, 0x01);
lcm_dcs_write_seq_static(ctx, 0xC5, 0x31);
lcm_dcs_write_seq_static(ctx, 0xFF, 0x20);
lcm_dcs_write_seq_static(ctx, 0x00, 0x01);
lcm_dcs_write_seq_static(ctx, 0x01, 0x55);
lcm_dcs_write_seq_static(ctx, 0x02, 0x45);
lcm_dcs_write_seq_static(ctx, 0x03, 0x55);
lcm_dcs_write_seq_static(ctx, 0x05, 0x40);
lcm_dcs_write_seq_static(ctx, 0x06, 0x99);
lcm_dcs_write_seq_static(ctx, 0x07, 0x9E);
lcm_dcs_write_seq_static(ctx, 0x08, 0x0C);
lcm_dcs_write_seq_static(ctx, 0x0B, 0x87);
lcm_dcs_write_seq_static(ctx, 0x0C, 0x87);
lcm_dcs_write_seq_static(ctx, 0x0E, 0xAB);
lcm_dcs_write_seq_static(ctx, 0x0F, 0xA9);
lcm_dcs_write_seq_static(ctx, 0x11, 0x0D);
lcm_dcs_write_seq_static(ctx, 0x12, 0x10);
lcm_dcs_write_seq_static(ctx, 0x13, 0x03);
lcm_dcs_write_seq_static(ctx, 0x14, 0x4A);
lcm_dcs_write_seq_static(ctx, 0x15, 0x12);
lcm_dcs_write_seq_static(ctx, 0x16, 0x12);
lcm_dcs_write_seq_static(ctx, 0x30, 0x01);
lcm_dcs_write_seq_static(ctx, 0x58, 0x00);
lcm_dcs_write_seq_static(ctx, 0x59, 0x00);
lcm_dcs_write_seq_static(ctx, 0x5A, 0x02);
lcm_dcs_write_seq_static(ctx, 0x5B, 0x00);
lcm_dcs_write_seq_static(ctx, 0x5C, 0x00);
lcm_dcs_write_seq_static(ctx, 0x5D, 0x00);
lcm_dcs_write_seq_static(ctx, 0x5E, 0x02);
lcm_dcs_write_seq_static(ctx, 0x5F, 0x02);
lcm_dcs_write_seq_static(ctx, 0x72, 0x31);
lcm_dcs_write_seq_static(ctx, 0xFB, 0x01);
lcm_dcs_write_seq_static(ctx, 0xFF, 0x24);
lcm_dcs_write_seq_static(ctx, 0x00, 0x01);
lcm_dcs_write_seq_static(ctx, 0x01, 0x0B);
lcm_dcs_write_seq_static(ctx, 0x02, 0x0C);
lcm_dcs_write_seq_static(ctx, 0x03, 0x03);
lcm_dcs_write_seq_static(ctx, 0x04, 0x05);
lcm_dcs_write_seq_static(ctx, 0x05, 0x1C);
lcm_dcs_write_seq_static(ctx, 0x06, 0x10);
lcm_dcs_write_seq_static(ctx, 0x07, 0x00);
lcm_dcs_write_seq_static(ctx, 0x08, 0x1C);
lcm_dcs_write_seq_static(ctx, 0x09, 0x00);
lcm_dcs_write_seq_static(ctx, 0x0A, 0x00);
lcm_dcs_write_seq_static(ctx, 0x0B, 0x00);
lcm_dcs_write_seq_static(ctx, 0x0C, 0x00);
lcm_dcs_write_seq_static(ctx, 0x0D, 0x13);
lcm_dcs_write_seq_static(ctx, 0x0E, 0x15);
lcm_dcs_write_seq_static(ctx, 0x0F, 0x17);
lcm_dcs_write_seq_static(ctx, 0x10, 0x01);
lcm_dcs_write_seq_static(ctx, 0x11, 0x0B);
lcm_dcs_write_seq_static(ctx, 0x12, 0x0C);
lcm_dcs_write_seq_static(ctx, 0x13, 0x04);
lcm_dcs_write_seq_static(ctx, 0x14, 0x06);
lcm_dcs_write_seq_static(ctx, 0x15, 0x1C);
lcm_dcs_write_seq_static(ctx, 0x16, 0x10);
lcm_dcs_write_seq_static(ctx, 0x17, 0x00);
lcm_dcs_write_seq_static(ctx, 0x18, 0x1C);
lcm_dcs_write_seq_static(ctx, 0x19, 0x00);
lcm_dcs_write_seq_static(ctx, 0x1A, 0x00);
lcm_dcs_write_seq_static(ctx, 0x1B, 0x00);
lcm_dcs_write_seq_static(ctx, 0x1C, 0x00);
lcm_dcs_write_seq_static(ctx, 0x1D, 0x13);
lcm_dcs_write_seq_static(ctx, 0x1E, 0x15);
lcm_dcs_write_seq_static(ctx, 0x1F, 0x17);
lcm_dcs_write_seq_static(ctx, 0x20, 0x00);
lcm_dcs_write_seq_static(ctx, 0x21, 0x03);
lcm_dcs_write_seq_static(ctx, 0x22, 0x01);
lcm_dcs_write_seq_static(ctx, 0x23, 0x4A);
lcm_dcs_write_seq_static(ctx, 0x24, 0x4A);
lcm_dcs_write_seq_static(ctx, 0x25, 0x6D);
lcm_dcs_write_seq_static(ctx, 0x26, 0x40);
lcm_dcs_write_seq_static(ctx, 0x27, 0x40);
lcm_dcs_write_seq_static(ctx, 0x32, 0x7B);
lcm_dcs_write_seq_static(ctx, 0x33, 0x00);
lcm_dcs_write_seq_static(ctx, 0x34, 0x01);
lcm_dcs_write_seq_static(ctx, 0x35, 0x8E);
lcm_dcs_write_seq_static(ctx, 0x39, 0x01);
lcm_dcs_write_seq_static(ctx, 0x3A, 0x8E);
lcm_dcs_write_seq_static(ctx, 0xBD, 0x20);
lcm_dcs_write_seq_static(ctx, 0xB6, 0x22);
lcm_dcs_write_seq_static(ctx, 0xB7, 0x24);
lcm_dcs_write_seq_static(ctx, 0xB8, 0x07);
lcm_dcs_write_seq_static(ctx, 0xB9, 0x07);
lcm_dcs_write_seq_static(ctx, 0xC1, 0x6D);
lcm_dcs_write_seq_static(ctx, 0xC2, 0x00);
lcm_dcs_write_seq_static(ctx, 0xC4, 0x24);
lcm_dcs_write_seq_static(ctx, 0xBE, 0x07);
lcm_dcs_write_seq_static(ctx, 0xBF, 0x07);
lcm_dcs_write_seq_static(ctx, 0x29, 0xD8);
lcm_dcs_write_seq_static(ctx, 0x2A, 0x2A);
lcm_dcs_write_seq_static(ctx, 0x5B, 0x43);
lcm_dcs_write_seq_static(ctx, 0x5C, 0x00);
lcm_dcs_write_seq_static(ctx, 0x5F, 0x73);
lcm_dcs_write_seq_static(ctx, 0x60, 0x73);
lcm_dcs_write_seq_static(ctx, 0x63, 0x22);
lcm_dcs_write_seq_static(ctx, 0x64, 0x00);
lcm_dcs_write_seq_static(ctx, 0x67, 0x08);
lcm_dcs_write_seq_static(ctx, 0x68, 0x04);
/* MUX */
lcm_dcs_write_seq_static(ctx, 0x7A, 0x80);
lcm_dcs_write_seq_static(ctx, 0x7B, 0x91);
lcm_dcs_write_seq_static(ctx, 0x7C, 0xD8);
lcm_dcs_write_seq_static(ctx, 0x7D, 0x60);
lcm_dcs_write_seq_static(ctx, 0x74, 0x09);
lcm_dcs_write_seq_static(ctx, 0x7E, 0x09);
lcm_dcs_write_seq_static(ctx, 0x75, 0x21);
lcm_dcs_write_seq_static(ctx, 0x7F, 0x21);
lcm_dcs_write_seq_static(ctx, 0x76, 0x05);
lcm_dcs_write_seq_static(ctx, 0x81, 0x05);
lcm_dcs_write_seq_static(ctx, 0x77, 0x04);
lcm_dcs_write_seq_static(ctx, 0x82, 0x04);
/* FP,BP */
lcm_dcs_write_seq_static(ctx, 0x93, 0x06);
lcm_dcs_write_seq_static(ctx, 0x94, 0x06);
lcm_dcs_write_seq_static(ctx, 0xB3, 0x00);
lcm_dcs_write_seq_static(ctx, 0xB4, 0x00);
lcm_dcs_write_seq_static(ctx, 0xB5, 0x00);
/* SOURCE EQ */
lcm_dcs_write_seq_static(ctx, 0x78, 0x00);
lcm_dcs_write_seq_static(ctx, 0x79, 0x00);
lcm_dcs_write_seq_static(ctx, 0x80, 0x00);
lcm_dcs_write_seq_static(ctx, 0x83, 0x00);
lcm_dcs_write_seq_static(ctx, 0x84, 0x04);
/* /Inversion Type// pixel column driving */
lcm_dcs_write_seq_static(ctx, 0x8A, 0x33);
lcm_dcs_write_seq_static(ctx, 0x8B, 0xF0);
lcm_dcs_write_seq_static(ctx, 0x9B, 0x0F);
lcm_dcs_write_seq_static(ctx, 0xC6, 0x09);
lcm_dcs_write_seq_static(ctx, 0xFB, 0x01);
lcm_dcs_write_seq_static(ctx, 0xEC, 0x00);
lcm_dcs_write_seq_static(ctx, 0xFF, 0x20);
lcm_dcs_write_seq_static(ctx, 0xFB, 0x01);
lcm_dcs_write_seq_static(ctx, 0x75, 0x00);
lcm_dcs_write_seq_static(ctx, 0x76, 0x49);
lcm_dcs_write_seq_static(ctx, 0x77, 0x00);
lcm_dcs_write_seq_static(ctx, 0x78, 0x78);
lcm_dcs_write_seq_static(ctx, 0x79, 0x00);
lcm_dcs_write_seq_static(ctx, 0x7A, 0xA4);
lcm_dcs_write_seq_static(ctx, 0x7B, 0x00);
lcm_dcs_write_seq_static(ctx, 0x7C, 0xC2);
lcm_dcs_write_seq_static(ctx, 0x7D, 0x00);
lcm_dcs_write_seq_static(ctx, 0x7E, 0xDA);
lcm_dcs_write_seq_static(ctx, 0x7F, 0x00);
lcm_dcs_write_seq_static(ctx, 0x80, 0xED);
lcm_dcs_write_seq_static(ctx, 0x81, 0x00);
lcm_dcs_write_seq_static(ctx, 0x82, 0xFE);
lcm_dcs_write_seq_static(ctx, 0x83, 0x01);
lcm_dcs_write_seq_static(ctx, 0x84, 0x0E);
lcm_dcs_write_seq_static(ctx, 0x85, 0x01);
lcm_dcs_write_seq_static(ctx, 0x86, 0x1B);
lcm_dcs_write_seq_static(ctx, 0x87, 0x01);
lcm_dcs_write_seq_static(ctx, 0x88, 0x48);
lcm_dcs_write_seq_static(ctx, 0x89, 0x01);
lcm_dcs_write_seq_static(ctx, 0x8A, 0x6C);
lcm_dcs_write_seq_static(ctx, 0x8B, 0x01);
lcm_dcs_write_seq_static(ctx, 0x8C, 0xA2);
lcm_dcs_write_seq_static(ctx, 0x8D, 0x01);
lcm_dcs_write_seq_static(ctx, 0x8E, 0xCD);
lcm_dcs_write_seq_static(ctx, 0x8F, 0x02);
lcm_dcs_write_seq_static(ctx, 0x90, 0x0F);
lcm_dcs_write_seq_static(ctx, 0x91, 0x02);
lcm_dcs_write_seq_static(ctx, 0x92, 0x42);
lcm_dcs_write_seq_static(ctx, 0x93, 0x02);
lcm_dcs_write_seq_static(ctx, 0x94, 0x43);
lcm_dcs_write_seq_static(ctx, 0x95, 0x02);
lcm_dcs_write_seq_static(ctx, 0x96, 0x71);
lcm_dcs_write_seq_static(ctx, 0x97, 0x02);
lcm_dcs_write_seq_static(ctx, 0x98, 0xA3);
lcm_dcs_write_seq_static(ctx, 0x99, 0x02);
lcm_dcs_write_seq_static(ctx, 0x9A, 0xC5);
lcm_dcs_write_seq_static(ctx, 0x9B, 0x02);
lcm_dcs_write_seq_static(ctx, 0x9C, 0xF3);
lcm_dcs_write_seq_static(ctx, 0x9D, 0x03);
lcm_dcs_write_seq_static(ctx, 0x9E, 0x12);
lcm_dcs_write_seq_static(ctx, 0x9F, 0x03);
lcm_dcs_write_seq_static(ctx, 0xA0, 0x3A);
lcm_dcs_write_seq_static(ctx, 0xA2, 0x03);
lcm_dcs_write_seq_static(ctx, 0xA3, 0x46);
lcm_dcs_write_seq_static(ctx, 0xA4, 0x03);
lcm_dcs_write_seq_static(ctx, 0xA5, 0x52);
lcm_dcs_write_seq_static(ctx, 0xA6, 0x03);
lcm_dcs_write_seq_static(ctx, 0xA7, 0x60);
lcm_dcs_write_seq_static(ctx, 0xA9, 0x03);
lcm_dcs_write_seq_static(ctx, 0xAA, 0x6E);
lcm_dcs_write_seq_static(ctx, 0xAB, 0x03);
lcm_dcs_write_seq_static(ctx, 0xAC, 0x7D);
lcm_dcs_write_seq_static(ctx, 0xAD, 0x03);
lcm_dcs_write_seq_static(ctx, 0xAE, 0x8B);
lcm_dcs_write_seq_static(ctx, 0xAF, 0x03);
lcm_dcs_write_seq_static(ctx, 0xB0, 0x91);
lcm_dcs_write_seq_static(ctx, 0xB1, 0x03);
lcm_dcs_write_seq_static(ctx, 0xB2, 0xCF);
/* RN GAMMA SETTING */
lcm_dcs_write_seq_static(ctx, 0xB3, 0x00);
lcm_dcs_write_seq_static(ctx, 0xB4, 0x49);
lcm_dcs_write_seq_static(ctx, 0xB5, 0x00);
lcm_dcs_write_seq_static(ctx, 0xB6, 0x78);
lcm_dcs_write_seq_static(ctx, 0xB7, 0x00);
lcm_dcs_write_seq_static(ctx, 0xB8, 0xA4);
lcm_dcs_write_seq_static(ctx, 0xB9, 0x00);
lcm_dcs_write_seq_static(ctx, 0xBA, 0xC2);
lcm_dcs_write_seq_static(ctx, 0xBB, 0x00);
lcm_dcs_write_seq_static(ctx, 0xBC, 0xDA);
lcm_dcs_write_seq_static(ctx, 0xBD, 0x00);
lcm_dcs_write_seq_static(ctx, 0xBE, 0xED);
lcm_dcs_write_seq_static(ctx, 0xBF, 0x00);
lcm_dcs_write_seq_static(ctx, 0xC0, 0xFE);
lcm_dcs_write_seq_static(ctx, 0xC1, 0x01);
lcm_dcs_write_seq_static(ctx, 0xC2, 0x0E);
lcm_dcs_write_seq_static(ctx, 0xC3, 0x01);
lcm_dcs_write_seq_static(ctx, 0xC4, 0x1B);
lcm_dcs_write_seq_static(ctx, 0xC5, 0x01);
lcm_dcs_write_seq_static(ctx, 0xC6, 0x48);
lcm_dcs_write_seq_static(ctx, 0xC7, 0x01);
lcm_dcs_write_seq_static(ctx, 0xC8, 0x6C);
lcm_dcs_write_seq_static(ctx, 0xC9, 0x01);
lcm_dcs_write_seq_static(ctx, 0xCA, 0xA2);
lcm_dcs_write_seq_static(ctx, 0xCB, 0x01);
lcm_dcs_write_seq_static(ctx, 0xCC, 0xCD);
lcm_dcs_write_seq_static(ctx, 0xCD, 0x02);
lcm_dcs_write_seq_static(ctx, 0xCE, 0x0F);
lcm_dcs_write_seq_static(ctx, 0xCF, 0x02);
lcm_dcs_write_seq_static(ctx, 0xD0, 0x42);
lcm_dcs_write_seq_static(ctx, 0xD1, 0x02);
lcm_dcs_write_seq_static(ctx, 0xD2, 0x43);
lcm_dcs_write_seq_static(ctx, 0xD3, 0x02);
lcm_dcs_write_seq_static(ctx, 0xD4, 0x71);
lcm_dcs_write_seq_static(ctx, 0xD5, 0x02);
lcm_dcs_write_seq_static(ctx, 0xD6, 0xA3);
lcm_dcs_write_seq_static(ctx, 0xD7, 0x02);
lcm_dcs_write_seq_static(ctx, 0xD8, 0xC5);
lcm_dcs_write_seq_static(ctx, 0xD9, 0x02);
lcm_dcs_write_seq_static(ctx, 0xDA, 0xF3);
lcm_dcs_write_seq_static(ctx, 0xDB, 0x03);
lcm_dcs_write_seq_static(ctx, 0xDC, 0x12);
lcm_dcs_write_seq_static(ctx, 0xDD, 0x03);
lcm_dcs_write_seq_static(ctx, 0xDE, 0x3A);
lcm_dcs_write_seq_static(ctx, 0xDF, 0x03);
lcm_dcs_write_seq_static(ctx, 0xE0, 0x46);
lcm_dcs_write_seq_static(ctx, 0xE1, 0x03);
lcm_dcs_write_seq_static(ctx, 0xE2, 0x52);
lcm_dcs_write_seq_static(ctx, 0xE3, 0x03);
lcm_dcs_write_seq_static(ctx, 0xE4, 0x60);
lcm_dcs_write_seq_static(ctx, 0xE5, 0x03);
lcm_dcs_write_seq_static(ctx, 0xE6, 0x6E);
lcm_dcs_write_seq_static(ctx, 0xE7, 0x03);
lcm_dcs_write_seq_static(ctx, 0xE8, 0x7D);
lcm_dcs_write_seq_static(ctx, 0xE9, 0x03);
lcm_dcs_write_seq_static(ctx, 0xEA, 0x8B);
lcm_dcs_write_seq_static(ctx, 0xEB, 0x03);
lcm_dcs_write_seq_static(ctx, 0xEC, 0x91);
lcm_dcs_write_seq_static(ctx, 0xED, 0x03);
lcm_dcs_write_seq_static(ctx, 0xEE, 0xCF);
/* GP GAMMA SETTING */
lcm_dcs_write_seq_static(ctx, 0xEF, 0x00);
lcm_dcs_write_seq_static(ctx, 0xF0, 0x49);
lcm_dcs_write_seq_static(ctx, 0xF1, 0x00);
lcm_dcs_write_seq_static(ctx, 0xF2, 0x78);
lcm_dcs_write_seq_static(ctx, 0xF3, 0x00);
lcm_dcs_write_seq_static(ctx, 0xF4, 0xA4);
lcm_dcs_write_seq_static(ctx, 0xF5, 0x00);
lcm_dcs_write_seq_static(ctx, 0xF6, 0xC2);
lcm_dcs_write_seq_static(ctx, 0xF7, 0x00);
lcm_dcs_write_seq_static(ctx, 0xF8, 0xDA);
lcm_dcs_write_seq_static(ctx, 0xF9, 0x00);
lcm_dcs_write_seq_static(ctx, 0xFA, 0xED);
/* CMD2 PAGE1 */
lcm_dcs_write_seq_static(ctx, 0xFF, 0x21);
lcm_dcs_write_seq_static(ctx, 0xFB, 0x01);
lcm_dcs_write_seq_static(ctx, 0x00, 0x00);
lcm_dcs_write_seq_static(ctx, 0x01, 0xFE);
lcm_dcs_write_seq_static(ctx, 0x02, 0x01);
lcm_dcs_write_seq_static(ctx, 0x03, 0x0E);
lcm_dcs_write_seq_static(ctx, 0x04, 0x01);
lcm_dcs_write_seq_static(ctx, 0x05, 0x1B);
lcm_dcs_write_seq_static(ctx, 0x06, 0x01);
lcm_dcs_write_seq_static(ctx, 0x07, 0x48);
lcm_dcs_write_seq_static(ctx, 0x08, 0x01);
lcm_dcs_write_seq_static(ctx, 0x09, 0x6C);
lcm_dcs_write_seq_static(ctx, 0x0A, 0x01);
lcm_dcs_write_seq_static(ctx, 0x0B, 0xA2);
lcm_dcs_write_seq_static(ctx, 0x0C, 0x01);
lcm_dcs_write_seq_static(ctx, 0x0D, 0xCD);
lcm_dcs_write_seq_static(ctx, 0x0E, 0x02);
lcm_dcs_write_seq_static(ctx, 0x0F, 0x0F);
lcm_dcs_write_seq_static(ctx, 0x10, 0x02);
lcm_dcs_write_seq_static(ctx, 0x11, 0x42);
lcm_dcs_write_seq_static(ctx, 0x12, 0x02);
lcm_dcs_write_seq_static(ctx, 0x13, 0x43);
lcm_dcs_write_seq_static(ctx, 0x14, 0x02);
lcm_dcs_write_seq_static(ctx, 0x15, 0x71);
lcm_dcs_write_seq_static(ctx, 0x16, 0x02);
lcm_dcs_write_seq_static(ctx, 0x17, 0xA3);
lcm_dcs_write_seq_static(ctx, 0x18, 0x02);
lcm_dcs_write_seq_static(ctx, 0x19, 0xC5);
lcm_dcs_write_seq_static(ctx, 0x1A, 0x02);
lcm_dcs_write_seq_static(ctx, 0x1B, 0xF3);
lcm_dcs_write_seq_static(ctx, 0x1C, 0x03);
lcm_dcs_write_seq_static(ctx, 0x1D, 0x12);
lcm_dcs_write_seq_static(ctx, 0x1E, 0x03);
lcm_dcs_write_seq_static(ctx, 0x1F, 0x3A);
lcm_dcs_write_seq_static(ctx, 0x20, 0x03);
lcm_dcs_write_seq_static(ctx, 0x21, 0x46);
lcm_dcs_write_seq_static(ctx, 0x22, 0x03);
lcm_dcs_write_seq_static(ctx, 0x23, 0x52);
lcm_dcs_write_seq_static(ctx, 0x24, 0x03);
lcm_dcs_write_seq_static(ctx, 0x25, 0x60);
lcm_dcs_write_seq_static(ctx, 0x26, 0x03);
lcm_dcs_write_seq_static(ctx, 0x27, 0x6E);
lcm_dcs_write_seq_static(ctx, 0x28, 0x03);
lcm_dcs_write_seq_static(ctx, 0x29, 0x7D);
lcm_dcs_write_seq_static(ctx, 0x2A, 0x03);
lcm_dcs_write_seq_static(ctx, 0x2B, 0x8B);
lcm_dcs_write_seq_static(ctx, 0x2D, 0x03);
lcm_dcs_write_seq_static(ctx, 0x2F, 0x91);
lcm_dcs_write_seq_static(ctx, 0x30, 0x03);
lcm_dcs_write_seq_static(ctx, 0x31, 0xCF);
lcm_dcs_write_seq_static(ctx, 0x32, 0x00);
lcm_dcs_write_seq_static(ctx, 0x33, 0x49);
lcm_dcs_write_seq_static(ctx, 0x34, 0x00);
lcm_dcs_write_seq_static(ctx, 0x35, 0x78);
lcm_dcs_write_seq_static(ctx, 0x36, 0x00);
lcm_dcs_write_seq_static(ctx, 0x37, 0xA4);
lcm_dcs_write_seq_static(ctx, 0x38, 0x00);
lcm_dcs_write_seq_static(ctx, 0x39, 0xC2);
lcm_dcs_write_seq_static(ctx, 0x3A, 0x00);
lcm_dcs_write_seq_static(ctx, 0x3B, 0xDA);
lcm_dcs_write_seq_static(ctx, 0x3D, 0x00);
lcm_dcs_write_seq_static(ctx, 0x3F, 0xED);
lcm_dcs_write_seq_static(ctx, 0x40, 0x00);
lcm_dcs_write_seq_static(ctx, 0x41, 0xFE);
lcm_dcs_write_seq_static(ctx, 0x42, 0x01);
lcm_dcs_write_seq_static(ctx, 0x43, 0x0E);
lcm_dcs_write_seq_static(ctx, 0x44, 0x01);
lcm_dcs_write_seq_static(ctx, 0x45, 0x1B);
lcm_dcs_write_seq_static(ctx, 0x46, 0x01);
lcm_dcs_write_seq_static(ctx, 0x47, 0x48);
lcm_dcs_write_seq_static(ctx, 0x48, 0x01);
lcm_dcs_write_seq_static(ctx, 0x49, 0x6C);
lcm_dcs_write_seq_static(ctx, 0x4A, 0x01);
lcm_dcs_write_seq_static(ctx, 0x4B, 0xA2);
lcm_dcs_write_seq_static(ctx, 0x4C, 0x01);
lcm_dcs_write_seq_static(ctx, 0x4D, 0xCD);
lcm_dcs_write_seq_static(ctx, 0x4E, 0x02);
lcm_dcs_write_seq_static(ctx, 0x4F, 0x0F);
lcm_dcs_write_seq_static(ctx, 0x50, 0x02);
lcm_dcs_write_seq_static(ctx, 0x51, 0x42);
lcm_dcs_write_seq_static(ctx, 0x52, 0x02);
lcm_dcs_write_seq_static(ctx, 0x53, 0x43);
lcm_dcs_write_seq_static(ctx, 0x54, 0x02);
lcm_dcs_write_seq_static(ctx, 0x55, 0x71);
lcm_dcs_write_seq_static(ctx, 0x56, 0x02);
lcm_dcs_write_seq_static(ctx, 0x58, 0xA3);
lcm_dcs_write_seq_static(ctx, 0x59, 0x02);
lcm_dcs_write_seq_static(ctx, 0x5A, 0xC5);
lcm_dcs_write_seq_static(ctx, 0x5B, 0x02);
lcm_dcs_write_seq_static(ctx, 0x5C, 0xF3);
lcm_dcs_write_seq_static(ctx, 0x5D, 0x03);
lcm_dcs_write_seq_static(ctx, 0x5E, 0x12);
lcm_dcs_write_seq_static(ctx, 0x5F, 0x03);
lcm_dcs_write_seq_static(ctx, 0x60, 0x3A);
lcm_dcs_write_seq_static(ctx, 0x61, 0x03);
lcm_dcs_write_seq_static(ctx, 0x62, 0x46);
lcm_dcs_write_seq_static(ctx, 0x63, 0x03);
lcm_dcs_write_seq_static(ctx, 0x64, 0x52);
lcm_dcs_write_seq_static(ctx, 0x65, 0x03);
lcm_dcs_write_seq_static(ctx, 0x66, 0x60);
lcm_dcs_write_seq_static(ctx, 0x67, 0x03);
lcm_dcs_write_seq_static(ctx, 0x68, 0x6E);
lcm_dcs_write_seq_static(ctx, 0x69, 0x03);
lcm_dcs_write_seq_static(ctx, 0x6A, 0x7D);
lcm_dcs_write_seq_static(ctx, 0x6B, 0x03);
lcm_dcs_write_seq_static(ctx, 0x6C, 0x8B);
lcm_dcs_write_seq_static(ctx, 0x6D, 0x03);
lcm_dcs_write_seq_static(ctx, 0x6E, 0x91);
lcm_dcs_write_seq_static(ctx, 0x6F, 0x03);
lcm_dcs_write_seq_static(ctx, 0x70, 0xCF);
lcm_dcs_write_seq_static(ctx, 0x71, 0x00);
lcm_dcs_write_seq_static(ctx, 0x72, 0x49);
lcm_dcs_write_seq_static(ctx, 0x73, 0x00);
lcm_dcs_write_seq_static(ctx, 0x74, 0x78);
lcm_dcs_write_seq_static(ctx, 0x75, 0x00);
lcm_dcs_write_seq_static(ctx, 0x76, 0xA4);
lcm_dcs_write_seq_static(ctx, 0x77, 0x00);
lcm_dcs_write_seq_static(ctx, 0x78, 0xC2);
lcm_dcs_write_seq_static(ctx, 0x79, 0x00);
lcm_dcs_write_seq_static(ctx, 0x7A, 0xDA);
lcm_dcs_write_seq_static(ctx, 0x7B, 0x00);
lcm_dcs_write_seq_static(ctx, 0x7C, 0xED);
lcm_dcs_write_seq_static(ctx, 0x7D, 0x00);
lcm_dcs_write_seq_static(ctx, 0x7E, 0xFE);
lcm_dcs_write_seq_static(ctx, 0x7F, 0x01);
lcm_dcs_write_seq_static(ctx, 0x80, 0x0E);
lcm_dcs_write_seq_static(ctx, 0x81, 0x01);
lcm_dcs_write_seq_static(ctx, 0x82, 0x1B);
lcm_dcs_write_seq_static(ctx, 0x83, 0x01);
lcm_dcs_write_seq_static(ctx, 0x84, 0x48);
lcm_dcs_write_seq_static(ctx, 0x85, 0x01);
lcm_dcs_write_seq_static(ctx, 0x86, 0x6C);
lcm_dcs_write_seq_static(ctx, 0x87, 0x01);
lcm_dcs_write_seq_static(ctx, 0x88, 0xA2);
lcm_dcs_write_seq_static(ctx, 0x89, 0x01);
lcm_dcs_write_seq_static(ctx, 0x8A, 0xCD);
lcm_dcs_write_seq_static(ctx, 0x8B, 0x02);
lcm_dcs_write_seq_static(ctx, 0x8C, 0x0F);
lcm_dcs_write_seq_static(ctx, 0x8D, 0x02);
lcm_dcs_write_seq_static(ctx, 0x8E, 0x42);
lcm_dcs_write_seq_static(ctx, 0x8F, 0x02);
lcm_dcs_write_seq_static(ctx, 0x90, 0x43);
lcm_dcs_write_seq_static(ctx, 0x91, 0x02);
lcm_dcs_write_seq_static(ctx, 0x92, 0x71);
lcm_dcs_write_seq_static(ctx, 0x93, 0x02);
lcm_dcs_write_seq_static(ctx, 0x94, 0xA3);
lcm_dcs_write_seq_static(ctx, 0x95, 0x02);
lcm_dcs_write_seq_static(ctx, 0x96, 0xC5);
lcm_dcs_write_seq_static(ctx, 0x97, 0x02);
lcm_dcs_write_seq_static(ctx, 0x98, 0xF3);
lcm_dcs_write_seq_static(ctx, 0x99, 0x03);
lcm_dcs_write_seq_static(ctx, 0x9A, 0x12);
lcm_dcs_write_seq_static(ctx, 0x9B, 0x03);
lcm_dcs_write_seq_static(ctx, 0x9C, 0x3A);
lcm_dcs_write_seq_static(ctx, 0x9D, 0x03);
lcm_dcs_write_seq_static(ctx, 0x9E, 0x46);
lcm_dcs_write_seq_static(ctx, 0x9F, 0x03);
lcm_dcs_write_seq_static(ctx, 0xA0, 0x52);
lcm_dcs_write_seq_static(ctx, 0xA2, 0x03);
lcm_dcs_write_seq_static(ctx, 0xA3, 0x60);
lcm_dcs_write_seq_static(ctx, 0xA4, 0x03);
lcm_dcs_write_seq_static(ctx, 0xA5, 0x6E);
lcm_dcs_write_seq_static(ctx, 0xA6, 0x03);
lcm_dcs_write_seq_static(ctx, 0xA7, 0x7D);
lcm_dcs_write_seq_static(ctx, 0xA9, 0x03);
lcm_dcs_write_seq_static(ctx, 0xAA, 0x8B);
lcm_dcs_write_seq_static(ctx, 0xAB, 0x03);
lcm_dcs_write_seq_static(ctx, 0xAC, 0x91);
lcm_dcs_write_seq_static(ctx, 0xAD, 0x03);
lcm_dcs_write_seq_static(ctx, 0xAE, 0xCF);
lcm_dcs_write_seq_static(ctx, 0xAF, 0x00);
lcm_dcs_write_seq_static(ctx, 0xB0, 0x49);
lcm_dcs_write_seq_static(ctx, 0xB1, 0x00);
lcm_dcs_write_seq_static(ctx, 0xB2, 0x78);
lcm_dcs_write_seq_static(ctx, 0xB3, 0x00);
lcm_dcs_write_seq_static(ctx, 0xB4, 0xA4);
lcm_dcs_write_seq_static(ctx, 0xB5, 0x00);
lcm_dcs_write_seq_static(ctx, 0xB6, 0xC2);
lcm_dcs_write_seq_static(ctx, 0xB7, 0x00);
lcm_dcs_write_seq_static(ctx, 0xB8, 0xDA);
lcm_dcs_write_seq_static(ctx, 0xB9, 0x00);
lcm_dcs_write_seq_static(ctx, 0xBA, 0xED);
lcm_dcs_write_seq_static(ctx, 0xBB, 0x00);
lcm_dcs_write_seq_static(ctx, 0xBC, 0xFE);
lcm_dcs_write_seq_static(ctx, 0xBD, 0x01);
lcm_dcs_write_seq_static(ctx, 0xBE, 0x0E);
lcm_dcs_write_seq_static(ctx, 0xBF, 0x01);
lcm_dcs_write_seq_static(ctx, 0xC0, 0x1B);
lcm_dcs_write_seq_static(ctx, 0xC1, 0x01);
lcm_dcs_write_seq_static(ctx, 0xC2, 0x48);
lcm_dcs_write_seq_static(ctx, 0xC3, 0x01);
lcm_dcs_write_seq_static(ctx, 0xC4, 0x6C);
lcm_dcs_write_seq_static(ctx, 0xC5, 0x01);
lcm_dcs_write_seq_static(ctx, 0xC6, 0xA2);
lcm_dcs_write_seq_static(ctx, 0xC7, 0x01);
lcm_dcs_write_seq_static(ctx, 0xC8, 0xCD);
lcm_dcs_write_seq_static(ctx, 0xC9, 0x02);
lcm_dcs_write_seq_static(ctx, 0xCA, 0x0F);
lcm_dcs_write_seq_static(ctx, 0xCB, 0x02);
lcm_dcs_write_seq_static(ctx, 0xCC, 0x42);
lcm_dcs_write_seq_static(ctx, 0xCD, 0x02);
lcm_dcs_write_seq_static(ctx, 0xCE, 0x43);
lcm_dcs_write_seq_static(ctx, 0xCF, 0x02);
lcm_dcs_write_seq_static(ctx, 0xD0, 0x71);
lcm_dcs_write_seq_static(ctx, 0xD1, 0x02);
lcm_dcs_write_seq_static(ctx, 0xD2, 0xA3);
lcm_dcs_write_seq_static(ctx, 0xD3, 0x02);
lcm_dcs_write_seq_static(ctx, 0xD4, 0xC5);
lcm_dcs_write_seq_static(ctx, 0xD5, 0x02);
lcm_dcs_write_seq_static(ctx, 0xD6, 0xF3);
lcm_dcs_write_seq_static(ctx, 0xD7, 0x03);
lcm_dcs_write_seq_static(ctx, 0xD8, 0x12);
lcm_dcs_write_seq_static(ctx, 0xD9, 0x03);
lcm_dcs_write_seq_static(ctx, 0xDA, 0x3A);
lcm_dcs_write_seq_static(ctx, 0xDB, 0x03);
lcm_dcs_write_seq_static(ctx, 0xDC, 0x46);
lcm_dcs_write_seq_static(ctx, 0xDD, 0x03);
lcm_dcs_write_seq_static(ctx, 0xDE, 0x52);
lcm_dcs_write_seq_static(ctx, 0xDF, 0x03);
lcm_dcs_write_seq_static(ctx, 0xE0, 0x60);
lcm_dcs_write_seq_static(ctx, 0xE1, 0x03);
lcm_dcs_write_seq_static(ctx, 0xE2, 0x6E);
lcm_dcs_write_seq_static(ctx, 0xE3, 0x03);
lcm_dcs_write_seq_static(ctx, 0xE4, 0x7D);
lcm_dcs_write_seq_static(ctx, 0xE5, 0x03);
lcm_dcs_write_seq_static(ctx, 0xE6, 0x8B);
lcm_dcs_write_seq_static(ctx, 0xE7, 0x03);
lcm_dcs_write_seq_static(ctx, 0xE8, 0x91);
lcm_dcs_write_seq_static(ctx, 0xE9, 0x03);
lcm_dcs_write_seq_static(ctx, 0xEA, 0xCF);
/* Return To CMD1 */
lcm_dcs_write_seq_static(ctx, 0xFF, 0x10);
lcm_dcs_write_seq_static(ctx, 0x35, 0x00);
lcm_dcs_write_seq_static(ctx, 0x3B, 0x03, 0x0a, 0x0a);
/* set TE event @ line 0x778(1912) for partial update */
lcm_dcs_write_seq_static(ctx, 0x44, 0x07, 0x78);
/* ///////////////////CABC SETTING///////// */
lcm_dcs_write_seq_static(ctx, 0x51, 0x00);
lcm_dcs_write_seq_static(ctx, 0x5E, 0x00);
lcm_dcs_write_seq_static(ctx, 0x53, 0x24);
lcm_dcs_write_seq_static(ctx, 0x55, 0x00);
lcm_dcs_write_seq_static(ctx, 0xFB, 0x01);
/* set partial update option */
lcm_dcs_write_seq_static(ctx, 0xC9, 0x49, 0x02, 0x05, 0x00, 0x0F,
0x06, 0x67, 0x03, 0x2E, 0x10, 0xF0);
lcm_dcs_write_seq_static(ctx, 0xBB, 0x10);
lcm_dcs_write_seq_static(ctx, 0x11);
msleep(200);
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);
lcm_dcs_write_seq_static(ctx, 0x10);
msleep(120);
lcm_dcs_write_seq_static(ctx, 0x4F, 0x01);
msleep(120);
ctx->error = 0;
ctx->prepared = false;
#if defined(CONFIG_RT5081_PMU_DSV) || defined(CONFIG_MT6370_PMU_DSV)
lcm_panel_bias_disable();
#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();
#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 (40)
#define HSA (10)
#define HBP (20)
#define VFP (20)
#define VSA (2)
#define VBP (8)
#define VAC (1920)
#define HAC (1080)
static u32 fake_heigh = 1920;
static u32 fake_width = 1080;
static bool need_fake_resolution;
static 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] = {0x0, 0x81, 0x0};
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 = 420,
.vfp_low_power = 620,
.cust_esd_check = 0,
.esd_check_enable = 1,
.lcm_esd_check_table[0] = {
.cmd = 0x53,
.count = 1,
.para_list[0] = 0x24,
},
#ifdef CONFIG_MTK_ROUND_CORNER_SUPPORT
.round_corner_en = 1,
.corner_pattern_height = ROUND_CORNER_H_TOP,
.corner_pattern_height_bot = ROUND_CORNER_H_BOT,
.corner_pattern_tp_size = sizeof(top_rc_pattern),
.corner_pattern_lt_addr = (void *)top_rc_pattern,
#endif
};
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 void change_drm_disp_mode_params(struct drm_display_mode *mode)
{
if (fake_heigh > 0 && fake_heigh < VAC) {
mode->vdisplay = fake_heigh;
mode->vsync_start = fake_heigh + VFP;
mode->vsync_end = fake_heigh + VFP + VSA;
mode->vtotal = fake_heigh + VFP + VSA + VBP;
}
if (fake_width > 0 && fake_width < HAC) {
mode->hdisplay = fake_width;
mode->hsync_start = fake_width + HFP;
mode->hsync_end = fake_width + HFP + HSA;
mode->htotal = fake_width + HFP + HSA + HBP;
}
}
static int lcm_get_modes(struct drm_panel *panel)
{
struct drm_display_mode *mode;
if (need_fake_resolution)
change_drm_disp_mode_params(&default_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 void check_is_need_fake_resolution(struct device *dev)
{
unsigned int ret = 0;
ret = of_property_read_u32(dev->of_node, "fake_heigh", &fake_heigh);
if (ret)
need_fake_resolution = false;
ret = of_property_read_u32(dev->of_node, "fake_width", &fake_width);
if (ret)
need_fake_resolution = false;
if (fake_heigh > 0 && fake_heigh < VAC)
need_fake_resolution = true;
if (fake_width > 0 && fake_width < HAC)
need_fake_resolution = true;
}
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_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);
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);
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
check_is_need_fake_resolution(dev);
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 = "nt35695b,auo,cmd", },
{ }
};
MODULE_DEVICE_TABLE(of, lcm_of_match);
static struct mipi_dsi_driver lcm_driver = {
.probe = lcm_probe,
.remove = lcm_remove,
.driver = {
.name = "panel-nt35695b-auo-cmd",
.owner = THIS_MODULE,
.of_match_table = lcm_of_match,
},
};
module_mipi_dsi_driver(lcm_driver);
MODULE_AUTHOR("Yi-Lun Wang <Yi-Lun.Wang@mediatek.com>");
MODULE_DESCRIPTION("nt35695b CMD LCD Panel Driver");
MODULE_LICENSE("GPL v2");
Reference in a new issue Copy permalink