304 lines
8.1 KiB
C
304 lines
8.1 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Maxim MAX96752F GMSL2 Deserializer
|
|
*
|
|
* (C) Copyright 2022 Rockchip Electronics Co., Ltd
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include <common.h>
|
|
#include <backlight.h>
|
|
#include <errno.h>
|
|
#include <malloc.h>
|
|
#include <video.h>
|
|
|
|
#include <asm/gpio.h>
|
|
#include <dm/device.h>
|
|
#include <dm/read.h>
|
|
#include <dm/pinctrl.h>
|
|
#include <dm/uclass-id.h>
|
|
#include <linux/media-bus-format.h>
|
|
|
|
#include "rockchip_display.h"
|
|
#include "rockchip_panel.h"
|
|
|
|
struct max96752f;
|
|
|
|
struct panel_desc {
|
|
const char *name;
|
|
int (*prepare)(struct max96752f *max96752f);
|
|
int (*unprepare)(struct max96752f *max96752f);
|
|
int (*enable)(struct max96752f *max96752f);
|
|
int (*disable)(struct max96752f *max96752f);
|
|
int (*backlight_enable)(struct max96752f *max96752f);
|
|
int (*backlight_disable)(struct max96752f *max96752f);
|
|
};
|
|
|
|
struct max96752f {
|
|
struct udevice *dev;
|
|
struct udevice *serializer;
|
|
struct udevice *backlight;
|
|
|
|
const struct panel_desc *desc;
|
|
};
|
|
|
|
static void max96752f_panel_prepare(struct rockchip_panel *panel)
|
|
{
|
|
struct max96752f *max96752f = dev_get_priv(panel->dev);
|
|
const struct panel_desc *desc = max96752f->desc;
|
|
|
|
if (desc->prepare)
|
|
desc->prepare(max96752f);
|
|
}
|
|
|
|
static void max96752f_panel_unprepare(struct rockchip_panel *panel)
|
|
{
|
|
struct max96752f *max96752f = dev_get_priv(panel->dev);
|
|
const struct panel_desc *desc = max96752f->desc;
|
|
|
|
if (desc->unprepare)
|
|
desc->unprepare(max96752f);
|
|
}
|
|
|
|
static void max96752f_panel_enable(struct rockchip_panel *panel)
|
|
{
|
|
struct max96752f *max96752f = dev_get_priv(panel->dev);
|
|
const struct panel_desc *desc = max96752f->desc;
|
|
|
|
if (desc->enable)
|
|
desc->enable(max96752f);
|
|
|
|
if (max96752f->backlight)
|
|
backlight_enable(max96752f->backlight);
|
|
|
|
if (desc->backlight_enable)
|
|
desc->backlight_enable(max96752f);
|
|
}
|
|
|
|
static void max96752f_panel_disable(struct rockchip_panel *panel)
|
|
{
|
|
struct max96752f *max96752f = dev_get_priv(panel->dev);
|
|
const struct panel_desc *desc = max96752f->desc;
|
|
|
|
if (desc->backlight_disable)
|
|
desc->backlight_disable(max96752f);
|
|
|
|
if (max96752f->backlight)
|
|
backlight_disable(max96752f->backlight);
|
|
|
|
if (desc->disable)
|
|
desc->disable(max96752f);
|
|
}
|
|
|
|
static const struct rockchip_panel_funcs max96752f_panel_funcs = {
|
|
.prepare = max96752f_panel_prepare,
|
|
.unprepare = max96752f_panel_unprepare,
|
|
.enable = max96752f_panel_enable,
|
|
.disable = max96752f_panel_disable,
|
|
};
|
|
|
|
static int max96752f_probe(struct udevice *dev)
|
|
{
|
|
struct max96752f *max96752f = dev_get_priv(dev);
|
|
struct rockchip_panel *panel;
|
|
int ret;
|
|
|
|
ret = i2c_set_chip_offset_len(dev, 2);
|
|
if (ret)
|
|
return ret;
|
|
|
|
max96752f->dev = dev;
|
|
max96752f->serializer = dev->parent->parent;
|
|
max96752f->desc = (const struct panel_desc *)dev_get_driver_data(dev);
|
|
|
|
ret = uclass_get_device_by_phandle(UCLASS_PANEL_BACKLIGHT, dev,
|
|
"backlight", &max96752f->backlight);
|
|
if (ret && ret != -ENOENT) {
|
|
dev_err(dev, "%s: Cannot get backlight: %d\n", __func__, ret);
|
|
return ret;
|
|
}
|
|
|
|
panel = calloc(1, sizeof(*panel));
|
|
if (!panel)
|
|
return -ENOMEM;
|
|
|
|
dev->driver_data = (ulong)panel;
|
|
panel->dev = dev;
|
|
panel->bus_format = MEDIA_BUS_FMT_RGB888_1X24;
|
|
panel->funcs = &max96752f_panel_funcs;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define maxim_serializer_write(max96752f, reg, val) do { \
|
|
int ret; \
|
|
ret = dm_i2c_reg_write(max96752f->serializer, \
|
|
reg, val); \
|
|
if (ret) \
|
|
return ret; \
|
|
} while (0)
|
|
|
|
#define maxim_deserializer_write(max96752f, reg, val) do { \
|
|
int ret; \
|
|
ret = dm_i2c_reg_write(max96752f->dev, \
|
|
reg, val); \
|
|
if (ret) \
|
|
return ret; \
|
|
} while (0)
|
|
|
|
static int boe_av156fht_l83_panel_prepare(struct max96752f *max96752f)
|
|
{
|
|
maxim_deserializer_write(max96752f, 0x0002, 0x43);
|
|
maxim_deserializer_write(max96752f, 0x0140, 0x20);
|
|
|
|
maxim_deserializer_write(max96752f, 0x01ce, 0x5e); /* oldi */
|
|
maxim_deserializer_write(max96752f, 0x020c, 0x84); /* bl_pwm */
|
|
maxim_deserializer_write(max96752f, 0x0206, 0x83); /* tp_int */
|
|
|
|
maxim_deserializer_write(max96752f, 0x0215, 0x90); /* lcd_en */
|
|
mdelay(20);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int boe_av156fht_l83_panel_unprepare(struct max96752f *max96752f)
|
|
{
|
|
maxim_deserializer_write(max96752f, 0x0215, 0x80); /* lcd_en */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int boe_av156fht_l83_panel_enable(struct max96752f *max96752f)
|
|
{
|
|
maxim_deserializer_write(max96752f, 0x0227, 0x90); /* lcd_rst */
|
|
mdelay(20);
|
|
maxim_deserializer_write(max96752f, 0x020f, 0x90); /* tp_rst */
|
|
mdelay(100);
|
|
maxim_deserializer_write(max96752f, 0x0221, 0x90); /* lcd_stb */
|
|
mdelay(60);
|
|
maxim_deserializer_write(max96752f, 0x0212, 0x90); /* bl_current_ctl */
|
|
maxim_deserializer_write(max96752f, 0x0209, 0x90); /* bl_en */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int boe_av156fht_l83_panel_disable(struct max96752f *max96752f)
|
|
{
|
|
maxim_deserializer_write(max96752f, 0x0209, 0x80); /* bl_en */
|
|
maxim_deserializer_write(max96752f, 0x0212, 0x80); /* bl_current_ctl */
|
|
maxim_deserializer_write(max96752f, 0x0221, 0x80); /* lcd_stb */
|
|
maxim_deserializer_write(max96752f, 0x020f, 0x80); /* tp_rst */
|
|
maxim_deserializer_write(max96752f, 0x0227, 0x80); /* lcd_rst */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int boe_av156fht_l83_panel_backlight_enable(struct max96752f *max96752f)
|
|
{
|
|
maxim_deserializer_write(max96752f, 0x0212, 0x90); /* bl_current_ctl */
|
|
maxim_deserializer_write(max96752f, 0x0209, 0x90); /* bl_en */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int boe_av156fht_l83_panel_backlight_disable(struct max96752f *max96752f)
|
|
{
|
|
maxim_deserializer_write(max96752f, 0x0209, 0x80); /* bl_en */
|
|
maxim_deserializer_write(max96752f, 0x0212, 0x80); /* bl_current_ctl */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct panel_desc boe_av156fht_l83 = {
|
|
.name = "boe-av156fht-l83",
|
|
.prepare = boe_av156fht_l83_panel_prepare,
|
|
.unprepare = boe_av156fht_l83_panel_unprepare,
|
|
.enable = boe_av156fht_l83_panel_enable,
|
|
.disable = boe_av156fht_l83_panel_disable,
|
|
.backlight_enable = boe_av156fht_l83_panel_backlight_enable,
|
|
.backlight_disable = boe_av156fht_l83_panel_backlight_disable,
|
|
};
|
|
|
|
static int hannstar_hsd123jpw3_a15_prepare(struct max96752f *max96752f)
|
|
{
|
|
maxim_deserializer_write(max96752f, 0x0002, 0x43);
|
|
maxim_deserializer_write(max96752f, 0x0140, 0x20);
|
|
maxim_deserializer_write(max96752f, 0x01ce, 0x5e);
|
|
|
|
maxim_deserializer_write(max96752f, 0x0203, 0x83); /* GPIO1 <- TP_INT */
|
|
maxim_deserializer_write(max96752f, 0x0206, 0x84); /* GPIO2 -> TP_RST */
|
|
maxim_deserializer_write(max96752f, 0x0224, 0x84); /* GPIO12 -> LCD_BL_PWM */
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hannstar_hsd123jpw3_a15_unprepare(struct max96752f *max96752f)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int hannstar_hsd123jpw3_a15_enable(struct max96752f *max96752f)
|
|
{
|
|
maxim_deserializer_write(max96752f, 0x0221, 0x10); /* GPIO11 -> LCD_RESET */
|
|
mdelay(20);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hannstar_hsd123jpw3_a15_disable(struct max96752f *max96752f)
|
|
{
|
|
maxim_deserializer_write(max96752f, 0x0221, 0x00); /* GPIO11 -> LCD_RESET */
|
|
mdelay(20);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct panel_desc hannstar_hsd123jpw3_a15 = {
|
|
.name = "hannstar,hsd123jpw3-a15",
|
|
.prepare = hannstar_hsd123jpw3_a15_prepare,
|
|
.unprepare = hannstar_hsd123jpw3_a15_unprepare,
|
|
.enable = hannstar_hsd123jpw3_a15_enable,
|
|
.disable = hannstar_hsd123jpw3_a15_disable,
|
|
};
|
|
|
|
static int ogm_101fhbllm01_prepare(struct max96752f *max96752f)
|
|
{
|
|
maxim_deserializer_write(max96752f, 0x01ce, 0x5e);
|
|
|
|
maxim_deserializer_write(max96752f, 0x0203, 0x84); /* GPIO1 -> BL_PWM */
|
|
maxim_deserializer_write(max96752f, 0x0206, 0x84); /* GPIO2 -> TP_RST */
|
|
maxim_deserializer_write(max96752f, 0x0209, 0x83); /* GPIO3 <- TP_INT */
|
|
|
|
maxim_deserializer_write(max96752f, 0x0001, 0x02);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ogm_101fhbllm01_unprepare(struct max96752f *max96752f)
|
|
{
|
|
maxim_deserializer_write(max96752f, 0x0001, 0x01);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct panel_desc ogm_101fhbllm01 = {
|
|
.name = "ogm,101fhbllm01",
|
|
.prepare = ogm_101fhbllm01_prepare,
|
|
.unprepare = ogm_101fhbllm01_unprepare,
|
|
};
|
|
|
|
static const struct udevice_id max96752f_of_match[] = {
|
|
{ .compatible = "boe,av156fht-l83", .data = (ulong)&boe_av156fht_l83 },
|
|
{ .compatible = "hannstar,hsd123jpw3-a15", .data = (ulong)&hannstar_hsd123jpw3_a15 },
|
|
{ .compatible = "ogm,101fhbllm01", .data = (ulong)&ogm_101fhbllm01 },
|
|
{}
|
|
};
|
|
|
|
U_BOOT_DRIVER(max96752f) = {
|
|
.name = "max96752f",
|
|
.id = UCLASS_PANEL,
|
|
.of_match = max96752f_of_match,
|
|
.probe = max96752f_probe,
|
|
.priv_auto_alloc_size = sizeof(struct max96752f),
|
|
};
|