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