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kernel_samsung_a34x-permissive/drivers/gpu/drm/panel/panel-tianma-nt36672c-vdo-120hz.c
Fede2782 6db4831e98
Import A346BXXU4BWK2 kernel source 
Android 14
2024-04-28 15:51:13 +02:00

944 lines
26 KiB
C
Raw Blame History

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#include <linux/backlight.h>
#include <linux/delay.h>
#include <drm/drmP.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_panel.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/platform_device.h>
#include <linux/gpio/consumer.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
#define PANEL_CLOCK 361519
#define PANEL_WIDTH 1080
#define PANEL_HEIGHT 2340
#define PHYSICAL_WIDTH 68364
#define PHYSICAL_HEIGHT 152300
#define DATA_RATE 1070
#define HSA 20
#define HBP 80
#define VSA 10
#define VBP 25
/*Parameter setting for mode 0 Start*/
#define MODE_0_FPS 120
#define MODE_0_VFP 16
#define MODE_0_HFP 80
/*Parameter setting for mode 0 End*/
/*Parameter setting for mode 1 Start*/
#define MODE_1_FPS 90
#define MODE_1_VFP 810
#define MODE_1_HFP 80
/*Parameter setting for mode 1 End*/
/*Parameter setting for mode 2 Start*/
#define MODE_2_FPS 60
#define MODE_2_VFP 2380
#define MODE_2_HFP 80
/*Parameter setting for mode 2 End*/
/* enable this to check panel self -bist pattern */
/* #define PANEL_BIST_PATTERN */
/* option function to read data from some panel address */
/* #define PANEL_SUPPORT_READBACK */
struct tianma {
struct device *dev;
struct drm_panel panel;
struct backlight_device *backlight;
struct gpio_desc *reset_gpio;
bool prepared;
bool enabled;
int error;
};
static char bl_tb0[] = {0x51, 0xf, 0xff};
#define tianma_dcs_write_seq(ctx, seq...) \
({ \
const u8 d[] = {seq}; \
BUILD_BUG_ON_MSG(ARRAY_SIZE(d) > 64, \
"DCS sequence too big for stack"); \
tianma_dcs_write(ctx, d, ARRAY_SIZE(d)); \
})
#define tianma_dcs_write_seq_static(ctx, seq...) \
({ \
static const u8 d[] = {seq}; \
tianma_dcs_write(ctx, d, ARRAY_SIZE(d)); \
})
static inline struct tianma *panel_to_tianma(struct drm_panel *panel)
{
return container_of(panel, struct tianma, panel);
}
#ifdef PANEL_SUPPORT_READBACK
static int tianma_dcs_read(struct tianma *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 tianma_panel_get_data(struct tianma *ctx)
{
u8 buffer[3] = {0};
static int ret;
if (ret == 0) {
ret = tianma_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));
}
static struct LCD_setting_table lcm_suspend_setting[] = {
{0x28, 2, {0x28, 0x00} },
{REGFLAG_DELAY, 20, {} },
{0x51, 2, {0x51, 0x00} },
{0x10, 2, {0x10, 0x00} },
{REGFLAG_DELAY, 100, {} },
};
}
#endif
static void tianma_dcs_write(struct tianma *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;
}
}
static void tianma_panel_init(struct tianma *ctx)
{
ctx->reset_gpio = devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
usleep_range(10 * 1000, 15 * 1000);
gpiod_set_value(ctx->reset_gpio, 0);
udelay(11 * 1000);
gpiod_set_value(ctx->reset_gpio, 1);
udelay(5 * 1000);
gpiod_set_value(ctx->reset_gpio, 0);
udelay(5 * 1000);
gpiod_set_value(ctx->reset_gpio, 1);
udelay(13 * 1000);
devm_gpiod_put(ctx->dev, ctx->reset_gpio);
tianma_dcs_write_seq_static(ctx, 0xFF, 0x10);
tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
tianma_dcs_write_seq_static(ctx, 0x3B, 0x03, 0x0A, 0x0A, 0x04, 0x04);
tianma_dcs_write_seq_static(ctx, 0xB0, 0x00);
tianma_dcs_write_seq_static(ctx, 0xC1, 0x89, 0x28,
0x00, 0x14, 0x02, 0x00, 0x02, 0x0E, 0x01, 0xE8,
0x00, 0x07, 0x05, 0x0E, 0x05, 0x16);
tianma_dcs_write_seq_static(ctx, 0xC2, 0x1B, 0xA0);
tianma_dcs_write_seq_static(ctx, 0xFF, 0x20);
tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
tianma_dcs_write_seq_static(ctx, 0x01, 0x66);
tianma_dcs_write_seq_static(ctx, 0x06, 0x3C);
tianma_dcs_write_seq_static(ctx, 0x07, 0x28);
tianma_dcs_write_seq_static(ctx, 0x69, 0xEA);
tianma_dcs_write_seq_static(ctx, 0x95, 0xD1);
tianma_dcs_write_seq_static(ctx, 0x96, 0xD1);
tianma_dcs_write_seq_static(ctx, 0xF2, 0x62);
tianma_dcs_write_seq_static(ctx, 0xF4, 0x62);
tianma_dcs_write_seq_static(ctx, 0xF6, 0x62);
tianma_dcs_write_seq_static(ctx, 0xF8, 0x62);
tianma_dcs_write_seq_static(ctx, 0xFF, 0x24);
tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
tianma_dcs_write_seq_static(ctx, 0x00, 0x01);
tianma_dcs_write_seq_static(ctx, 0x01, 0x0C);
tianma_dcs_write_seq_static(ctx, 0x02, 0x0B);
tianma_dcs_write_seq_static(ctx, 0x03, 0x0B);
tianma_dcs_write_seq_static(ctx, 0x04, 0x2C);
tianma_dcs_write_seq_static(ctx, 0x05, 0x2D);
tianma_dcs_write_seq_static(ctx, 0x06, 0x2E);
tianma_dcs_write_seq_static(ctx, 0x07, 0x2F);
tianma_dcs_write_seq_static(ctx, 0x08, 0x30);
tianma_dcs_write_seq_static(ctx, 0x09, 0x0F);
tianma_dcs_write_seq_static(ctx, 0x0A, 0x10);
tianma_dcs_write_seq_static(ctx, 0x0B, 0x24);
tianma_dcs_write_seq_static(ctx, 0x0C, 0x24);
tianma_dcs_write_seq_static(ctx, 0x0D, 0x18);
tianma_dcs_write_seq_static(ctx, 0x0E, 0x16);
tianma_dcs_write_seq_static(ctx, 0x0F, 0x14);
tianma_dcs_write_seq_static(ctx, 0x10, 0x17);
tianma_dcs_write_seq_static(ctx, 0x11, 0x15);
tianma_dcs_write_seq_static(ctx, 0x12, 0x13);
tianma_dcs_write_seq_static(ctx, 0x13, 0x24);
tianma_dcs_write_seq_static(ctx, 0x14, 0x00);
tianma_dcs_write_seq_static(ctx, 0x15, 0x00);
tianma_dcs_write_seq_static(ctx, 0x16, 0x00);
tianma_dcs_write_seq_static(ctx, 0x17, 0x20);
tianma_dcs_write_seq_static(ctx, 0x18, 0x01);
tianma_dcs_write_seq_static(ctx, 0x19, 0x0C);
tianma_dcs_write_seq_static(ctx, 0x1A, 0x0B);
tianma_dcs_write_seq_static(ctx, 0x1B, 0x0B);
tianma_dcs_write_seq_static(ctx, 0x1C, 0x2C);
tianma_dcs_write_seq_static(ctx, 0x1D, 0x2D);
tianma_dcs_write_seq_static(ctx, 0x1E, 0x2E);
tianma_dcs_write_seq_static(ctx, 0x1F, 0x2F);
tianma_dcs_write_seq_static(ctx, 0x20, 0x30);
tianma_dcs_write_seq_static(ctx, 0x21, 0x0F);
tianma_dcs_write_seq_static(ctx, 0x22, 0x10);
tianma_dcs_write_seq_static(ctx, 0x23, 0x24);
tianma_dcs_write_seq_static(ctx, 0x24, 0x24);
tianma_dcs_write_seq_static(ctx, 0x25, 0x18);
tianma_dcs_write_seq_static(ctx, 0x26, 0x16);
tianma_dcs_write_seq_static(ctx, 0x27, 0x14);
tianma_dcs_write_seq_static(ctx, 0x28, 0x17);
tianma_dcs_write_seq_static(ctx, 0x29, 0x15);
tianma_dcs_write_seq_static(ctx, 0x2A, 0x13);
tianma_dcs_write_seq_static(ctx, 0x2B, 0x24);
tianma_dcs_write_seq_static(ctx, 0x2D, 0x00);
tianma_dcs_write_seq_static(ctx, 0x2F, 0x00);
tianma_dcs_write_seq_static(ctx, 0x30, 0x00);
tianma_dcs_write_seq_static(ctx, 0x31, 0x20);
tianma_dcs_write_seq_static(ctx, 0x32, 0x00);
tianma_dcs_write_seq_static(ctx, 0x34, 0x10);
tianma_dcs_write_seq_static(ctx, 0x35, 0x3C);
tianma_dcs_write_seq_static(ctx, 0x36, 0x14);
tianma_dcs_write_seq_static(ctx, 0x4D, 0x02);
tianma_dcs_write_seq_static(ctx, 0x4E, 0x3A);
tianma_dcs_write_seq_static(ctx, 0x4F, 0x3A);
tianma_dcs_write_seq_static(ctx, 0x53, 0x3A);
tianma_dcs_write_seq_static(ctx, 0x79, 0x11);
tianma_dcs_write_seq_static(ctx, 0x7A, 0x82);
tianma_dcs_write_seq_static(ctx, 0x7B, 0x8F);
tianma_dcs_write_seq_static(ctx, 0x82, 0x13);
tianma_dcs_write_seq_static(ctx, 0x83, 0x22);
tianma_dcs_write_seq_static(ctx, 0x84, 0x31);
tianma_dcs_write_seq_static(ctx, 0x85, 0x00);
tianma_dcs_write_seq_static(ctx, 0x86, 0x00);
tianma_dcs_write_seq_static(ctx, 0x87, 0x00);
tianma_dcs_write_seq_static(ctx, 0x90, 0x13);
tianma_dcs_write_seq_static(ctx, 0x91, 0x22);
tianma_dcs_write_seq_static(ctx, 0x92, 0x31);
tianma_dcs_write_seq_static(ctx, 0x93, 0x00);
tianma_dcs_write_seq_static(ctx, 0x94, 0x00);
tianma_dcs_write_seq_static(ctx, 0x95, 0x00);
tianma_dcs_write_seq_static(ctx, 0x9C, 0xF4);
tianma_dcs_write_seq_static(ctx, 0x9D, 0x01);
tianma_dcs_write_seq_static(ctx, 0xD9, 0x80);
tianma_dcs_write_seq_static(ctx, 0xA0, 0x0F);
tianma_dcs_write_seq_static(ctx, 0xA2, 0x0F);
tianma_dcs_write_seq_static(ctx, 0xA3, 0x02);
tianma_dcs_write_seq_static(ctx, 0xC9, 0x0C);
tianma_dcs_write_seq_static(ctx, 0xD1, 0x34);
tianma_dcs_write_seq_static(ctx, 0xE9, 0x02);
tianma_dcs_write_seq_static(ctx, 0xFF, 0x25);
tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
tianma_dcs_write_seq_static(ctx, 0x66, 0x5D);
tianma_dcs_write_seq_static(ctx, 0x68, 0x50);
tianma_dcs_write_seq_static(ctx, 0x69, 0x60);
tianma_dcs_write_seq_static(ctx, 0x6B, 0x00);
tianma_dcs_write_seq_static(ctx, 0x71, 0x6D);
tianma_dcs_write_seq_static(ctx, 0x77, 0x60);
tianma_dcs_write_seq_static(ctx, 0x79, 0x40);
tianma_dcs_write_seq_static(ctx, 0x7E, 0x25);
tianma_dcs_write_seq_static(ctx, 0x81, 0x04);
tianma_dcs_write_seq_static(ctx, 0x84, 0x34);
tianma_dcs_write_seq_static(ctx, 0x85, 0x15);
tianma_dcs_write_seq_static(ctx, 0x8E, 0x10);
tianma_dcs_write_seq_static(ctx, 0xC2, 0xD2);
tianma_dcs_write_seq_static(ctx, 0xD6, 0x80);
tianma_dcs_write_seq_static(ctx, 0xD7, 0x02);
tianma_dcs_write_seq_static(ctx, 0xDA, 0x00);
tianma_dcs_write_seq_static(ctx, 0xDD, 0x02);
tianma_dcs_write_seq_static(ctx, 0xE0, 0x00);
tianma_dcs_write_seq_static(ctx, 0xEF, 0x00);
tianma_dcs_write_seq_static(ctx, 0xF1, 0x04);
tianma_dcs_write_seq_static(ctx, 0xFF, 0x26);
tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
tianma_dcs_write_seq_static(ctx, 0x03, 0x00);
tianma_dcs_write_seq_static(ctx, 0x04, 0x7C);
tianma_dcs_write_seq_static(ctx, 0x08, 0x21);
tianma_dcs_write_seq_static(ctx, 0x15, 0x01);
tianma_dcs_write_seq_static(ctx, 0x74, 0xAF);
tianma_dcs_write_seq_static(ctx, 0x81, 0x0F);
tianma_dcs_write_seq_static(ctx, 0x83, 0x04);
tianma_dcs_write_seq_static(ctx, 0x85, 0x01);
tianma_dcs_write_seq_static(ctx, 0x87, 0x01);
tianma_dcs_write_seq_static(ctx, 0x88, 0x03);
tianma_dcs_write_seq_static(ctx, 0x8A, 0x1A);
tianma_dcs_write_seq_static(ctx, 0x8B, 0x11);
tianma_dcs_write_seq_static(ctx, 0x8C, 0x24);
tianma_dcs_write_seq_static(ctx, 0x8E, 0x42);
tianma_dcs_write_seq_static(ctx, 0x8F, 0x11);
tianma_dcs_write_seq_static(ctx, 0x90, 0x11);
tianma_dcs_write_seq_static(ctx, 0x91, 0x11);
tianma_dcs_write_seq_static(ctx, 0x9A, 0x80);
tianma_dcs_write_seq_static(ctx, 0x9B, 0x42);
tianma_dcs_write_seq_static(ctx, 0x9C, 0x00);
tianma_dcs_write_seq_static(ctx, 0x9D, 0x00);
tianma_dcs_write_seq_static(ctx, 0x9E, 0x00);
tianma_dcs_write_seq_static(ctx, 0xFF, 0x27);
tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
tianma_dcs_write_seq_static(ctx, 0x20, 0x81);
tianma_dcs_write_seq_static(ctx, 0x21, 0x82);
tianma_dcs_write_seq_static(ctx, 0x25, 0x81);
tianma_dcs_write_seq_static(ctx, 0x26, 0xAB);
tianma_dcs_write_seq_static(ctx, 0x6E, 0x01);
tianma_dcs_write_seq_static(ctx, 0x6F, 0x00);
tianma_dcs_write_seq_static(ctx, 0x70, 0x00);
tianma_dcs_write_seq_static(ctx, 0x71, 0x00);
tianma_dcs_write_seq_static(ctx, 0x72, 0x00);
tianma_dcs_write_seq_static(ctx, 0x73, 0x04);
tianma_dcs_write_seq_static(ctx, 0x74, 0x21);
tianma_dcs_write_seq_static(ctx, 0x75, 0x03);
tianma_dcs_write_seq_static(ctx, 0x76, 0x00);
tianma_dcs_write_seq_static(ctx, 0x77, 0x00);
tianma_dcs_write_seq_static(ctx, 0x7D, 0x09);
tianma_dcs_write_seq_static(ctx, 0x7E, 0x25);
tianma_dcs_write_seq_static(ctx, 0x80, 0x24);
tianma_dcs_write_seq_static(ctx, 0x82, 0x09);
tianma_dcs_write_seq_static(ctx, 0x83, 0x25);
tianma_dcs_write_seq_static(ctx, 0x88, 0x01);
tianma_dcs_write_seq_static(ctx, 0x89, 0x10);
tianma_dcs_write_seq_static(ctx, 0xB7, 0x04);
tianma_dcs_write_seq_static(ctx, 0xFF, 0x2A);
tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
tianma_dcs_write_seq_static(ctx, 0x01, 0x00);
tianma_dcs_write_seq_static(ctx, 0x05, 0x00);
tianma_dcs_write_seq_static(ctx, 0x06, 0x07);
tianma_dcs_write_seq_static(ctx, 0x08, 0x0E);
tianma_dcs_write_seq_static(ctx, 0x0A, 0x04);
tianma_dcs_write_seq_static(ctx, 0x0B, 0x01);
tianma_dcs_write_seq_static(ctx, 0x0C, 0x09);
tianma_dcs_write_seq_static(ctx, 0x11, 0xEA);
tianma_dcs_write_seq_static(ctx, 0x15, 0x07);
tianma_dcs_write_seq_static(ctx, 0x16, 0xC3);
tianma_dcs_write_seq_static(ctx, 0x1A, 0x40);
tianma_dcs_write_seq_static(ctx, 0x1B, 0x0A);
tianma_dcs_write_seq_static(ctx, 0x1D, 0x0A);
tianma_dcs_write_seq_static(ctx, 0x1E, 0x42);
tianma_dcs_write_seq_static(ctx, 0x1F, 0x42);
tianma_dcs_write_seq_static(ctx, 0x20, 0x42);
tianma_dcs_write_seq_static(ctx, 0x28, 0x08);
tianma_dcs_write_seq_static(ctx, 0x37, 0x70);
tianma_dcs_write_seq_static(ctx, 0xFF, 0xD0);
tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
tianma_dcs_write_seq_static(ctx, 0x09, 0xAD);
tianma_dcs_write_seq_static(ctx, 0xFF, 0xE0);
tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
tianma_dcs_write_seq_static(ctx, 0x25, 0x02);
tianma_dcs_write_seq_static(ctx, 0x4E, 0x02);
tianma_dcs_write_seq_static(ctx, 0x85, 0x32);
tianma_dcs_write_seq_static(ctx, 0xFF, 0xF0);
tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
tianma_dcs_write_seq_static(ctx, 0x5A, 0x00);
tianma_dcs_write_seq_static(ctx, 0xA0, 0x08);
tianma_dcs_write_seq_static(ctx, 0xFF, 0xD0);
tianma_dcs_write_seq_static(ctx, 0xFB, 0x01);
tianma_dcs_write_seq_static(ctx, 0x09, 0xAD);
tianma_dcs_write_seq_static(ctx, 0xFF, 0x10);
tianma_dcs_write_seq_static(ctx, 0x51, 0xFF);
tianma_dcs_write_seq_static(ctx, 0x53, 0x24);
tianma_dcs_write_seq_static(ctx, 0x35, 0x00);
tianma_dcs_write_seq_static(ctx, 0xff, 0x20);
tianma_dcs_write_seq_static(ctx, 0x40, 0xAA);
tianma_dcs_write_seq_static(ctx, 0xff, 0x10);
tianma_dcs_write_seq_static(ctx, 0x11, 0x00);
msleep(100);
tianma_dcs_write_seq_static(ctx, 0x29, 0x00);
msleep(20);
}
static int tianma_disable(struct drm_panel *panel)
{
struct tianma *ctx = panel_to_tianma(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 tianma_unprepare(struct drm_panel *panel)
{
struct tianma *ctx = panel_to_tianma(panel);
if (!ctx->prepared)
return 0;
tianma_dcs_write_seq_static(ctx, MIPI_DCS_ENTER_SLEEP_MODE);
tianma_dcs_write_seq_static(ctx, MIPI_DCS_SET_DISPLAY_OFF);
msleep(200);
ctx->reset_gpio = devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
gpiod_set_value(ctx->reset_gpio, 0);
devm_gpiod_put(ctx->dev, ctx->reset_gpio);
ctx->error = 0;
ctx->prepared = false;
return 0;
}
static int tianma_prepare(struct drm_panel *panel)
{
struct tianma *ctx = panel_to_tianma(panel);
int ret;
pr_info("%s\n", __func__);
if (ctx->prepared)
return 0;
tianma_panel_init(ctx);
ret = ctx->error;
if (ret < 0)
tianma_unprepare(panel);
ctx->prepared = true;
#ifdef PANEL_SUPPORT_READBACK
tianma_panel_get_data(ctx);
#endif
return ret;
}
static int tianma_enable(struct drm_panel *panel)
{
struct tianma *ctx = panel_to_tianma(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;
}
static const struct drm_display_mode default_mode = {
.clock = PANEL_CLOCK,
.hdisplay = PANEL_WIDTH,
.hsync_start = PANEL_WIDTH + MODE_0_HFP,
.hsync_end = PANEL_WIDTH + MODE_0_HFP + HSA,
.htotal = PANEL_WIDTH + MODE_0_HFP + HSA + HBP,
.vdisplay = PANEL_HEIGHT,
.vsync_start = PANEL_HEIGHT + MODE_0_VFP,
.vsync_end = PANEL_HEIGHT + MODE_0_VFP + VSA,
.vtotal = PANEL_HEIGHT + MODE_0_VFP + VSA + VBP,
.vrefresh = MODE_0_FPS,
};
static const struct drm_display_mode performance_mode_90hz = {
.clock = PANEL_CLOCK,
.hdisplay = PANEL_WIDTH,
.hsync_start = PANEL_WIDTH + MODE_1_HFP,
.hsync_end = PANEL_WIDTH + MODE_1_HFP + HSA,
.htotal = PANEL_WIDTH + MODE_1_HFP + HSA + HBP,
.vdisplay = PANEL_HEIGHT,
.vsync_start = PANEL_HEIGHT + MODE_1_VFP,
.vsync_end = PANEL_HEIGHT + MODE_1_VFP + VSA,
.vtotal = PANEL_HEIGHT + MODE_1_VFP + VSA + VBP,
.vrefresh = MODE_1_FPS,
};
static const struct drm_display_mode performance_mode_60hz = {
.clock = PANEL_CLOCK,
.hdisplay = PANEL_WIDTH,
.hsync_start = PANEL_WIDTH + MODE_2_HFP,
.hsync_end = PANEL_WIDTH + MODE_2_HFP + HSA,
.htotal = PANEL_WIDTH + MODE_2_HFP + HSA + HBP,
.vdisplay = PANEL_HEIGHT,
.vsync_start = PANEL_HEIGHT + MODE_2_VFP,
.vsync_end = PANEL_HEIGHT + MODE_2_VFP + VSA,
.vtotal = PANEL_HEIGHT + MODE_2_VFP + VSA + VBP,
.vrefresh = MODE_2_FPS,
};
#if defined(CONFIG_MTK_PANEL_EXT)
static struct mtk_panel_params ext_params = {
.cust_esd_check = 1,
.esd_check_enable = 1,
.lcm_esd_check_table[0] = {
.cmd = 0x0a,
.count = 1,
.para_list[0] = 0x9c,
},
.physical_width_um = PHYSICAL_WIDTH,
.physical_height_um = PHYSICAL_HEIGHT,
.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, //128
.pic_height = PANEL_HEIGHT,
.pic_width = PANEL_WIDTH,
.slice_height = 20,
.slice_width = 540,
.chunk_size = 540,
.xmit_delay = 512,
.dec_delay = 526,
.scale_value = 32,
.increment_interval = 488,
.decrement_interval = 7,
.line_bpg_offset = 12,
.nfl_bpg_offset = 1294,
.slice_bpg_offset = 1302,
.initial_offset = 6144,
.final_offset = 4336,
.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,
},
.dyn = {
.switch_en = 0,
.data_rate = DATA_RATE,
},
.dyn_fps = {
.switch_en = 0,
.vact_timing_fps = MODE_0_FPS,
.lfr_enable = 1,
.lfr_minimum_fps = 60,
},
.data_rate = DATA_RATE,
};
static struct mtk_panel_params ext_params_90hz = {
.cust_esd_check = 1,
.esd_check_enable = 1,
.lcm_esd_check_table[0] = {
.cmd = 0x0a,
.count = 1,
.para_list[0] = 0x9c,
},
.physical_width_um = PHYSICAL_WIDTH,
.physical_height_um = PHYSICAL_HEIGHT,
.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, //128
.pic_height = PANEL_HEIGHT,
.pic_width = PANEL_WIDTH,
.slice_height = 20,
.slice_width = 540,
.chunk_size = 540,
.xmit_delay = 512,
.dec_delay = 526,
.scale_value = 32,
.increment_interval = 488,
.decrement_interval = 7,
.line_bpg_offset = 12,
.nfl_bpg_offset = 1294,
.slice_bpg_offset = 1302,
.initial_offset = 6144,
.final_offset = 4336,
.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,
},
.dyn = {
.switch_en = 0,
.data_rate = DATA_RATE,
},
.dyn_fps = {
.switch_en = 0,
.vact_timing_fps = MODE_1_FPS,
.lfr_enable = 1,
.lfr_minimum_fps = 60,
},
.data_rate = DATA_RATE,
};
static struct mtk_panel_params ext_params_60hz = {
.cust_esd_check = 1,
.esd_check_enable = 1,
.lcm_esd_check_table[0] = {
.cmd = 0x0a,
.count = 1,
.para_list[0] = 0x9c,
},
.physical_width_um = PHYSICAL_WIDTH,
.physical_height_um = PHYSICAL_HEIGHT,
.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, //128
.pic_height = PANEL_HEIGHT,
.pic_width = PANEL_WIDTH,
.slice_height = 20,
.slice_width = 540,
.chunk_size = 540,
.xmit_delay = 512,
.dec_delay = 526,
.scale_value = 32,
.increment_interval = 488,
.decrement_interval = 7,
.line_bpg_offset = 12,
.nfl_bpg_offset = 1294,
.slice_bpg_offset = 1302,
.initial_offset = 6144,
.final_offset = 4336,
.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,
},
.dyn = {
.switch_en = 0,
.data_rate = DATA_RATE,
},
.dyn_fps = {
.switch_en = 0,
.vact_timing_fps = MODE_2_FPS,
.lfr_enable = 1,
.lfr_minimum_fps = 60,
},
.data_rate = DATA_RATE,
};
static int tianma_setbacklight_cmdq(void *dsi, dcs_write_gce cb,
void *handle, unsigned int level)
{
if (level > 255)
level = 255;
level = level * 4095 / 255;
bl_tb0[1] = ((level >> 8) & 0xf);
bl_tb0[2] = (level & 0xff);
if (!cb)
return -1;
cb(dsi, handle, bl_tb0, ARRAY_SIZE(bl_tb0));
return 0;
}
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;
if (mode == 0)
ext->params = &ext_params;
else if (mode == 1)
ext->params = &ext_params_90hz;
else if (mode == 2)
ext->params = &ext_params_60hz;
else
ret = 1;
return ret;
}
static int panel_ext_reset(struct drm_panel *panel, int on)
{
struct tianma *ctx = panel_to_tianma(panel);
ctx->reset_gpio =
devm_gpiod_get(ctx->dev, "reset", GPIOD_OUT_HIGH);
gpiod_set_value(ctx->reset_gpio, on);
devm_gpiod_put(ctx->dev, ctx->reset_gpio);
return 0;
}
static struct mtk_panel_funcs ext_funcs = {
.set_backlight_cmdq = tianma_setbacklight_cmdq,
.reset = panel_ext_reset,
.ext_param_set = mtk_panel_ext_param_set,
};
#endif
struct panel_desc {
const struct drm_display_mode *modes;
unsigned int num_modes;
unsigned int bpc;
struct {
unsigned int width;
unsigned int height;
} size;
/**
* @prepare: the time (in milliseconds) that it takes for the panel to
* become ready and start receiving video data
* @enable: the time (in milliseconds) that it takes for the panel to
* display the first valid frame after starting to receive
* video data
* @disable: the time (in milliseconds) that it takes for the panel to
* turn the display off (no content is visible)
* @unprepare: the time (in milliseconds) that it takes for the panel
* to power itself down completely
*/
struct {
unsigned int prepare;
unsigned int enable;
unsigned int disable;
unsigned int unprepare;
} delay;
};
static int tianma_get_modes(struct drm_panel *panel)
{
struct drm_display_mode *mode;
struct drm_display_mode *mode_90hz;
struct drm_display_mode *mode_60hz;
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);
mode_90hz = drm_mode_duplicate(panel->drm, &performance_mode_90hz);
if (!mode_90hz) {
dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
performance_mode_90hz.hdisplay,
performance_mode_90hz.vdisplay,
performance_mode_90hz.vrefresh);
return -ENOMEM;
}
drm_mode_set_name(mode_90hz);
mode_90hz->type = DRM_MODE_TYPE_DRIVER;
drm_mode_probed_add(panel->connector, mode_90hz);
mode_60hz = drm_mode_duplicate(panel->drm, &performance_mode_60hz);
if (!mode_60hz) {
dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
performance_mode_60hz.hdisplay,
performance_mode_60hz.vdisplay,
performance_mode_60hz.vrefresh);
return -ENOMEM;
}
drm_mode_set_name(mode_60hz);
mode_60hz->type = DRM_MODE_TYPE_DRIVER;
drm_mode_probed_add(panel->connector, mode_60hz);
panel->connector->display_info.width_mm = 64;
panel->connector->display_info.height_mm = 129;
return 3;
}
static const struct drm_panel_funcs tianma_drm_funcs = {
.disable = tianma_disable,
.unprepare = tianma_unprepare,
.prepare = tianma_prepare,
.enable = tianma_enable,
.get_modes = tianma_get_modes,
};
static int tianma_probe(struct mipi_dsi_device *dsi)
{
struct device *dev = &dsi->dev;
struct tianma *ctx;
struct device_node *backlight;
int ret;
pr_err("%s+\n", __func__);
ctx = devm_kzalloc(dev, sizeof(struct tianma), 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_err(dev, "cannot get reset-gpios %ld\n",
PTR_ERR(ctx->reset_gpio));
return PTR_ERR(ctx->reset_gpio);
}
devm_gpiod_put(dev, ctx->reset_gpio);
ctx->prepared = true;
ctx->enabled = true;
drm_panel_init(&ctx->panel);
ctx->panel.dev = dev;
ctx->panel.funcs = &tianma_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)
ret = mtk_panel_ext_create(dev, &ext_params, &ext_funcs, &ctx->panel);
if (ret < 0)
return ret;
#endif
pr_err("%s-\n", __func__);
return ret;
}
static int tianma_remove(struct mipi_dsi_device *dsi)
{
struct tianma *ctx = mipi_dsi_get_drvdata(dsi);
mipi_dsi_detach(dsi);
drm_panel_remove(&ctx->panel);
return 0;
}
static const struct of_device_id tianma_of_match[] = {
{
.compatible = "tianma,nt36672c,vdo,120hz",
},
{} };
MODULE_DEVICE_TABLE(of, tianma_of_match);
static struct mipi_dsi_driver tianma_driver = {
.probe = tianma_probe,
.remove = tianma_remove,
.driver = {
.name = "panel-tianma-nt36672c-vdo-120hz",
.owner = THIS_MODULE,
.of_match_table = tianma_of_match,
},
};
module_mipi_dsi_driver(tianma_driver);
MODULE_AUTHOR("Elon Hsu <elon.hsu@mediatek.com>");
MODULE_DESCRIPTION("tianma nt36672C vdo 120HZ Panel Driver");
MODULE_LICENSE("GPL v2");
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