1003 lines
24 KiB
C
1003 lines
24 KiB
C
/* 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;
|
|
|
|
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_info(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_info(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);
|
|
dev_info("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);
|
|
dev_info("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)
|
|
dev_info("set voltage disp_bias_pos fail, ret = %d\n", ret);
|
|
retval |= ret;
|
|
|
|
ret = regulator_set_voltage(disp_bias_neg, 5400000, 5400000);
|
|
if (ret < 0)
|
|
dev_info("set voltage disp_bias_neg fail, ret = %d\n", ret);
|
|
retval |= ret;
|
|
|
|
/* enable regulator */
|
|
ret = regulator_enable(disp_bias_pos);
|
|
if (ret < 0)
|
|
dev_info("enable regulator disp_bias_pos fail, ret = %d\n",
|
|
ret);
|
|
retval |= ret;
|
|
|
|
ret = regulator_enable(disp_bias_neg);
|
|
if (ret < 0)
|
|
dev_info("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)
|
|
dev_info("disable regulator disp_bias_neg fail, ret = %d\n",
|
|
ret);
|
|
retval |= ret;
|
|
|
|
ret = regulator_disable(disp_bias_pos);
|
|
if (ret < 0)
|
|
dev_info("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_info(ctx->dev, "%s: cannot get reset-gpios %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(10 * 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);
|
|
//DSC ON && set PPS
|
|
lcm_dcs_write_seq_static(ctx, 0xC0, 0x03);
|
|
lcm_dcs_write_seq_static(ctx, 0xC1, 0x89, 0x28, 0x00, 0x08, 0x00, 0xAA,
|
|
0x02, 0x0E, 0x00, 0x2B, 0x00, 0x07, 0x0D, 0xB7,
|
|
0x0C, 0xB7);
|
|
lcm_dcs_write_seq_static(ctx, 0xC2, 0x1B, 0XA0);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0xFF, 0X20);
|
|
lcm_dcs_write_seq_static(ctx, 0xFB, 0x01);
|
|
lcm_dcs_write_seq_static(ctx, 0X01, 0X66);
|
|
lcm_dcs_write_seq_static(ctx, 0X32, 0X4D);
|
|
lcm_dcs_write_seq_static(ctx, 0X69, 0XD1);
|
|
lcm_dcs_write_seq_static(ctx, 0XF2, 0X64);
|
|
lcm_dcs_write_seq_static(ctx, 0XF4, 0X64);
|
|
lcm_dcs_write_seq_static(ctx, 0XF6, 0X64);
|
|
lcm_dcs_write_seq_static(ctx, 0XF9, 0X64);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X26);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X81, 0X0E);
|
|
lcm_dcs_write_seq_static(ctx, 0X84, 0X03);
|
|
lcm_dcs_write_seq_static(ctx, 0X86, 0X03);
|
|
lcm_dcs_write_seq_static(ctx, 0X88, 0X07);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X27);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0XE3, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0XE4, 0XEC);
|
|
lcm_dcs_write_seq_static(ctx, 0XE5, 0X02);
|
|
lcm_dcs_write_seq_static(ctx, 0XE6, 0XE3);
|
|
lcm_dcs_write_seq_static(ctx, 0XE7, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0XE8, 0XEC);
|
|
lcm_dcs_write_seq_static(ctx, 0XE9, 0X02);
|
|
lcm_dcs_write_seq_static(ctx, 0XEA, 0X22);
|
|
lcm_dcs_write_seq_static(ctx, 0XEB, 0X03);
|
|
lcm_dcs_write_seq_static(ctx, 0XEC, 0X32);
|
|
lcm_dcs_write_seq_static(ctx, 0XED, 0X02);
|
|
lcm_dcs_write_seq_static(ctx, 0XEE, 0X22);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X2A);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X0C, 0X04);
|
|
lcm_dcs_write_seq_static(ctx, 0X0F, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X11, 0XE0);
|
|
lcm_dcs_write_seq_static(ctx, 0X15, 0X0E);
|
|
lcm_dcs_write_seq_static(ctx, 0X16, 0X78);
|
|
lcm_dcs_write_seq_static(ctx, 0X19, 0X0D);
|
|
lcm_dcs_write_seq_static(ctx, 0X1A, 0XF4);
|
|
lcm_dcs_write_seq_static(ctx, 0X37, 0X6E);
|
|
lcm_dcs_write_seq_static(ctx, 0X88, 0X76);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X2C);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X4D, 0X1E);
|
|
lcm_dcs_write_seq_static(ctx, 0X4E, 0X04);
|
|
lcm_dcs_write_seq_static(ctx, 0X4F, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X9D, 0X1E);
|
|
lcm_dcs_write_seq_static(ctx, 0X9E, 0X04);
|
|
lcm_dcs_write_seq_static(ctx, 0X9F, 0X17);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0XF0);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X5A, 0X00);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0XE0);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X25, 0X02);
|
|
lcm_dcs_write_seq_static(ctx, 0X4E, 0X02);
|
|
lcm_dcs_write_seq_static(ctx, 0X85, 0X02);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0XD0);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X09, 0XAD);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X20);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0XF8, 0X64);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X2A);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X1A, 0XF0);
|
|
lcm_dcs_write_seq_static(ctx, 0X30, 0X5E);
|
|
lcm_dcs_write_seq_static(ctx, 0X31, 0XCA);
|
|
lcm_dcs_write_seq_static(ctx, 0X34, 0XFE);
|
|
lcm_dcs_write_seq_static(ctx, 0X35, 0X35);
|
|
lcm_dcs_write_seq_static(ctx, 0X36, 0XA2);
|
|
lcm_dcs_write_seq_static(ctx, 0X37, 0XF8);
|
|
lcm_dcs_write_seq_static(ctx, 0X38, 0X37);
|
|
lcm_dcs_write_seq_static(ctx, 0X39, 0XA0);
|
|
lcm_dcs_write_seq_static(ctx, 0X3A, 0X5E);
|
|
lcm_dcs_write_seq_static(ctx, 0X53, 0XD7);
|
|
lcm_dcs_write_seq_static(ctx, 0X88, 0X72);
|
|
lcm_dcs_write_seq_static(ctx, 0X88, 0X72);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X24);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0XC6, 0XC0);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0XE0);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X25, 0X00);
|
|
lcm_dcs_write_seq_static(ctx, 0X4E, 0X02);
|
|
lcm_dcs_write_seq_static(ctx, 0X35, 0X82);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0XC0);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0X9C, 0X11);
|
|
lcm_dcs_write_seq_static(ctx, 0X9D, 0X11);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0XFF, 0X10);
|
|
lcm_dcs_write_seq_static(ctx, 0XFB, 0X01);
|
|
lcm_dcs_write_seq_static(ctx, 0XC0, 0X03);
|
|
lcm_dcs_write_seq_static(ctx, 0x51, 0x00);
|
|
lcm_dcs_write_seq_static(ctx, 0x35, 0x00);
|
|
lcm_dcs_write_seq_static(ctx, 0x53, 0x24);
|
|
lcm_dcs_write_seq_static(ctx, 0x55, 0x00);
|
|
lcm_dcs_write_seq_static(ctx, 0xFF, 0x10);
|
|
|
|
lcm_dcs_write_seq_static(ctx, 0x11);
|
|
msleep(140);
|
|
lcm_dcs_write_seq_static(ctx, 0x29);
|
|
msleep(40);
|
|
}
|
|
|
|
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();
|
|
#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();
|
|
#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 VAC (2400)
|
|
#define HAC (1080)
|
|
static u32 fake_heigh = 2400;
|
|
static u32 fake_width = 1080;
|
|
static bool need_fake_resolution;
|
|
|
|
static struct drm_display_mode default_mode = {
|
|
.clock = 382678,
|
|
.hdisplay = HAC,
|
|
.hsync_start = HAC + 165,//HFP
|
|
.hsync_end = HAC + 165 + 22,//HSA
|
|
.htotal = HAC + 165 + 22 + 22,//HBP1289
|
|
.vdisplay = 2400,
|
|
.vsync_start = VAC + 2528,//VFP
|
|
.vsync_end = VAC + 2528 + 10,//VSA
|
|
.vtotal = VAC + 2528 + 10 + 10,//VBP4948
|
|
.vrefresh = 60,
|
|
};
|
|
|
|
static struct drm_display_mode performance_mode = {
|
|
.clock = 382716,
|
|
.hdisplay = HAC,
|
|
.hsync_start = HAC + 165,//HFP
|
|
.hsync_end = HAC + 165 + 22,//HSA
|
|
.htotal = HAC + 165 + 22 + 22,//HBP
|
|
.vdisplay = VAC,
|
|
.vsync_start = VAC + 879,//VFP
|
|
.vsync_end = VAC + 879 + 10,//VSA
|
|
.vtotal = VAC + 879 + 10 + 10,//VBP3299
|
|
.vrefresh = 90,
|
|
};
|
|
|
|
static struct drm_display_mode performance_mode1 = {
|
|
.clock = 382678,
|
|
.hdisplay = HAC,
|
|
.hsync_start = HAC + 165,//HFP
|
|
.hsync_end = HAC + 165 + 22,//HSA
|
|
.htotal = HAC + 165 + 22 + 22,//HBP
|
|
.vdisplay = VAC,
|
|
.vsync_start = VAC + 54,//VFP
|
|
.vsync_end = VAC + 54 + 10,//VSA
|
|
.vtotal = VAC + 54 + 10 + 10,//VBP2474
|
|
.vrefresh = 120,
|
|
};
|
|
|
|
#if defined(CONFIG_MTK_PANEL_EXT)
|
|
static struct mtk_panel_params ext_params = {
|
|
.pll_clk = 588,
|
|
.vfp_low_power = 4178,//45hz
|
|
.cust_esd_check = 0,
|
|
.esd_check_enable = 1,
|
|
.lcm_esd_check_table[0] = {
|
|
.cmd = 0x0A, .count = 1, .para_list[0] = 0x9C,
|
|
},
|
|
.output_mode = MTK_PANEL_DSC_SINGLE_PORT,
|
|
.dsc_params = {
|
|
.enable = 1,
|
|
.ver = 17,
|
|
.slice_mode = 1,
|
|
.rgb_swap = 0,
|
|
.dsc_cfg = 34,
|
|
.rct_on = 1,
|
|
.bit_per_channel = 8,
|
|
.dsc_line_buf_depth = 9,
|
|
.bp_enable = 1,
|
|
.bit_per_pixel = 128,
|
|
.pic_height = 2400,
|
|
.pic_width = 1080,
|
|
.slice_height = 8,
|
|
.slice_width = 540,
|
|
.chunk_size = 540,
|
|
.xmit_delay = 170,
|
|
.dec_delay = 526,
|
|
.scale_value = 32,
|
|
.increment_interval = 43,
|
|
.decrement_interval = 7,
|
|
.line_bpg_offset = 12,
|
|
.nfl_bpg_offset = 3511,
|
|
.slice_bpg_offset = 3255,
|
|
.initial_offset = 6144,
|
|
.final_offset = 7072,
|
|
.flatness_minqp = 3,
|
|
.flatness_maxqp = 12,
|
|
.rc_model_size = 8192,
|
|
.rc_edge_factor = 6,
|
|
.rc_quant_incr_limit0 = 11,
|
|
.rc_quant_incr_limit1 = 11,
|
|
.rc_tgt_offset_hi = 3,
|
|
.rc_tgt_offset_lo = 3,
|
|
},
|
|
.data_rate = 1176,
|
|
.dyn_fps = {
|
|
.switch_en = 1, .vact_timing_fps = 120,
|
|
},
|
|
.dyn = {
|
|
.switch_en = 1,
|
|
.pll_clk = 581,
|
|
.vfp_lp_dyn = 4178,
|
|
.hfp = 161,
|
|
.vfp = 2528,
|
|
},
|
|
.lfr_enable = 1,
|
|
.lfr_minimum_fps = 60,
|
|
};
|
|
|
|
static struct mtk_panel_params ext_params_90hz = {
|
|
.pll_clk = 588,
|
|
.vfp_low_power = 2528,//60hz
|
|
.cust_esd_check = 0,
|
|
.esd_check_enable = 1,
|
|
.lcm_esd_check_table[0] = {
|
|
|
|
.cmd = 0x0A, .count = 1, .para_list[0] = 0x9C,
|
|
},
|
|
.output_mode = MTK_PANEL_DSC_SINGLE_PORT,
|
|
.dsc_params = {
|
|
.enable = 1,
|
|
.ver = 17,
|
|
.slice_mode = 1,
|
|
.rgb_swap = 0,
|
|
.dsc_cfg = 34,
|
|
.rct_on = 1,
|
|
.bit_per_channel = 8,
|
|
.dsc_line_buf_depth = 9,
|
|
.bp_enable = 1,
|
|
.bit_per_pixel = 128,
|
|
.pic_height = 2400,
|
|
.pic_width = 1080,
|
|
.slice_height = 8,
|
|
.slice_width = 540,
|
|
.chunk_size = 540,
|
|
.xmit_delay = 170,
|
|
.dec_delay = 526,
|
|
.scale_value = 32,
|
|
.increment_interval = 43,
|
|
.decrement_interval = 7,
|
|
.line_bpg_offset = 12,
|
|
.nfl_bpg_offset = 3511,
|
|
.slice_bpg_offset = 3255,
|
|
.initial_offset = 6144,
|
|
.final_offset = 7072,
|
|
.flatness_minqp = 3,
|
|
.flatness_maxqp = 12,
|
|
.rc_model_size = 8192,
|
|
.rc_edge_factor = 6,
|
|
.rc_quant_incr_limit0 = 11,
|
|
.rc_quant_incr_limit1 = 11,
|
|
.rc_tgt_offset_hi = 3,
|
|
.rc_tgt_offset_lo = 3,
|
|
},
|
|
.data_rate = 1176,
|
|
.dyn_fps = {
|
|
.switch_en = 1, .vact_timing_fps = 120,
|
|
},
|
|
.dyn = {
|
|
.switch_en = 1,
|
|
.pll_clk = 581,
|
|
.vfp_lp_dyn = 2528,
|
|
.hfp = 161,
|
|
.vfp = 879,
|
|
},
|
|
.lfr_enable = 1,
|
|
.lfr_minimum_fps = 60,
|
|
};
|
|
|
|
static struct mtk_panel_params ext_params_120hz = {
|
|
.pll_clk = 588,
|
|
.vfp_low_power = 2528,//idle 60hz
|
|
.cust_esd_check = 0,
|
|
.esd_check_enable = 1,
|
|
.lcm_esd_check_table[0] = {
|
|
.cmd = 0x0A, .count = 1, .para_list[0] = 0x9C,
|
|
},
|
|
.output_mode = MTK_PANEL_DSC_SINGLE_PORT,
|
|
.dsc_params = {
|
|
.enable = 1,
|
|
.ver = 17,
|
|
.slice_mode = 1,
|
|
.rgb_swap = 0,
|
|
.dsc_cfg = 34,
|
|
.rct_on = 1,
|
|
.bit_per_channel = 8,
|
|
.dsc_line_buf_depth = 9,
|
|
.bp_enable = 1,
|
|
.bit_per_pixel = 128,
|
|
.pic_height = 2400,
|
|
.pic_width = 1080,
|
|
.slice_height = 8,
|
|
.slice_width = 540,
|
|
.chunk_size = 540,
|
|
.xmit_delay = 170,
|
|
.dec_delay = 526,
|
|
.scale_value = 32,
|
|
.increment_interval = 43,
|
|
.decrement_interval = 7,
|
|
.line_bpg_offset = 12,
|
|
.nfl_bpg_offset = 3511,
|
|
.slice_bpg_offset = 3255,
|
|
.initial_offset = 6144,
|
|
.final_offset = 7072,
|
|
.flatness_minqp = 3,
|
|
.flatness_maxqp = 12,
|
|
.rc_model_size = 8192,
|
|
.rc_edge_factor = 6,
|
|
.rc_quant_incr_limit0 = 11,
|
|
.rc_quant_incr_limit1 = 11,
|
|
.rc_tgt_offset_hi = 3,
|
|
.rc_tgt_offset_lo = 3,
|
|
},
|
|
.data_rate = 1176,
|
|
.dyn_fps = {
|
|
.switch_en = 1, .vact_timing_fps = 120,
|
|
},
|
|
.dyn = {
|
|
.switch_en = 1,
|
|
.pll_clk = 581,
|
|
.vfp_lp_dyn = 2528,
|
|
.hfp = 161,
|
|
.vfp = 54,
|
|
},
|
|
.lfr_enable = 1,
|
|
.lfr_minimum_fps = 60,
|
|
};
|
|
|
|
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_info(ctx->dev, "%s: cannot get reset-gpios %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];
|
|
unsigned char id[3] = {0x00, 0x00, 0x00};
|
|
ssize_t ret;
|
|
|
|
pr_info("%s success\n", __func__);
|
|
#if 0
|
|
ret = mipi_dsi_dcs_read(dsi, 0x4, data, 3);
|
|
if (ret < 0)
|
|
dev_info("%s error\n", __func__);
|
|
|
|
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]);
|
|
#endif
|
|
return 1;
|
|
}
|
|
|
|
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 drm_display_mode *get_mode_by_id(struct drm_panel *panel,
|
|
unsigned int mode)
|
|
{
|
|
struct drm_display_mode *m;
|
|
unsigned int i = 0;
|
|
|
|
list_for_each_entry(m, &panel->connector->modes, head) {
|
|
if (i == mode)
|
|
return m;
|
|
i++;
|
|
}
|
|
return NULL;
|
|
}
|
|
static int mtk_panel_ext_param_set(struct drm_panel *panel, unsigned int mode)
|
|
{
|
|
struct mtk_panel_ext *ext = find_panel_ext(panel);
|
|
int ret = 0;
|
|
struct drm_display_mode *m = get_mode_by_id(panel, mode);
|
|
|
|
if (m->vrefresh == 60)
|
|
ext->params = &ext_params;
|
|
else if (m->vrefresh == 90)
|
|
ext->params = &ext_params_90hz;
|
|
else if (m->vrefresh == 120)
|
|
ext->params = &ext_params_120hz;
|
|
else
|
|
ret = 1;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int lcm_get_virtual_heigh(void)
|
|
{
|
|
return VAC;
|
|
}
|
|
|
|
static int lcm_get_virtual_width(void)
|
|
{
|
|
return HAC;
|
|
}
|
|
|
|
static struct mtk_panel_funcs ext_funcs = {
|
|
.reset = panel_ext_reset,
|
|
.set_backlight_cmdq = lcm_setbacklight_cmdq,
|
|
.ata_check = panel_ata_check,
|
|
.ext_param_set = mtk_panel_ext_param_set,
|
|
.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->vsync_start = mode->vsync_start - mode->vdisplay
|
|
+ fake_heigh;
|
|
mode->vsync_end = mode->vsync_end - mode->vdisplay + fake_heigh;
|
|
mode->vtotal = mode->vtotal - mode->vdisplay + fake_heigh;
|
|
mode->vdisplay = fake_heigh;
|
|
}
|
|
if (fake_width > 0 && fake_width < HAC) {
|
|
mode->hsync_start = mode->hsync_start - mode->hdisplay
|
|
+ fake_width;
|
|
mode->hsync_end = mode->hsync_end - mode->hdisplay + fake_width;
|
|
mode->htotal = mode->htotal - mode->hdisplay + fake_width;
|
|
mode->hdisplay = fake_width;
|
|
}
|
|
}
|
|
|
|
static int lcm_get_modes(struct drm_panel *panel)
|
|
{
|
|
struct drm_display_mode *mode;
|
|
struct drm_display_mode *mode2;
|
|
struct drm_display_mode *mode3;
|
|
|
|
if (need_fake_resolution) {
|
|
change_drm_disp_mode_params(&default_mode);
|
|
change_drm_disp_mode_params(&performance_mode);
|
|
change_drm_disp_mode_params(&performance_mode1);
|
|
}
|
|
mode = drm_mode_duplicate(panel->drm, &default_mode);
|
|
if (!mode) {
|
|
dev_info(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);
|
|
|
|
mode2 = drm_mode_duplicate(panel->drm, &performance_mode);
|
|
if (!mode2) {
|
|
dev_info(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
|
|
performance_mode.hdisplay,
|
|
performance_mode.vdisplay,
|
|
performance_mode.vrefresh);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
drm_mode_set_name(mode2);
|
|
mode2->type = DRM_MODE_TYPE_DRIVER;
|
|
drm_mode_probed_add(panel->connector, mode2);
|
|
|
|
mode3 = drm_mode_duplicate(panel->drm, &performance_mode1);
|
|
if (!mode3) {
|
|
dev_info(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
|
|
performance_mode1.hdisplay,
|
|
performance_mode1.vdisplay,
|
|
performance_mode1.vrefresh);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
drm_mode_set_name(mode3);
|
|
mode3->type = DRM_MODE_TYPE_DRIVER;
|
|
drm_mode_probed_add(panel->connector, mode3);
|
|
|
|
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_VIDEO
|
|
| MIPI_DSI_MODE_VIDEO_SYNC_PULSE
|
|
| MIPI_DSI_MODE_LPM
|
|
| MIPI_DSI_MODE_EOT_PACKET
|
|
| MIPI_DSI_CLOCK_NON_CONTINUOUS;
|
|
|
|
backlight = of_parse_phandle(dev->of_node, "backlight", 0);
|
|
if (backlight) {
|
|
ctx->backlight = of_find_backlight_by_node(backlight);
|
|
of_node_put(backlight);
|
|
|
|
if (!ctx->backlight)
|
|
return -EPROBE_DEFER;
|
|
}
|
|
|
|
ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
|
|
if (IS_ERR(ctx->reset_gpio)) {
|
|
dev_info(dev, "cannot get reset-gpios %ld\n",
|
|
PTR_ERR(ctx->reset_gpio));
|
|
return PTR_ERR(ctx->reset_gpio);
|
|
}
|
|
devm_gpiod_put(dev, ctx->reset_gpio);
|
|
ctx->prepared = 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 = "sc,nt36672c,dphy,vdo,120hz", },
|
|
{ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(of, lcm_of_match);
|
|
|
|
static struct mipi_dsi_driver lcm_driver = {
|
|
.probe = lcm_probe,
|
|
.remove = lcm_remove,
|
|
.driver = {
|
|
.name = "panel-sc-nt36672c-dphy-vdo-120hz",
|
|
.owner = THIS_MODULE,
|
|
.of_match_table = lcm_of_match,
|
|
},
|
|
};
|
|
|
|
module_mipi_dsi_driver(lcm_driver);
|
|
|
|
MODULE_AUTHOR("MEDIATEK");
|
|
MODULE_DESCRIPTION("sc nt36672c VDO LCD Panel Driver");
|
|
MODULE_LICENSE("GPL v2");
|