80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* (C) Copyright 2022 Rockchip Electronics Co., Ltd
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*/
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#include <common.h>
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#include <dm.h>
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#include <errno.h>
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#include <i2c.h>
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#include <linux/media-bus-format.h>
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#include <max96752f.h>
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#include <video_bridge.h>
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#include "rockchip_bridge.h"
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#include "rockchip_display.h"
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#include "rockchip_panel.h"
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static void max96752f_bridge_pre_enable(struct rockchip_bridge *bridge)
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{
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struct udevice *dev = bridge->dev;
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struct connector_state *conn_state = &bridge->state->conn_state;
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bool oldi_format, oldi_4th_lane;
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max96752f_init(dev->parent);
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switch (conn_state->bus_format) {
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case MEDIA_BUS_FMT_RGB888_1X7X4_JEIDA:
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oldi_4th_lane = false;
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oldi_format = 0x0;
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break;
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case MEDIA_BUS_FMT_RGB666_1X7X3_SPWG:
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oldi_4th_lane = true;
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oldi_format = 0x0;
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break;
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case MEDIA_BUS_FMT_RGB888_1X7X4_SPWG:
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oldi_4th_lane = false;
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oldi_format = 0x1;
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break;
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default:
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oldi_4th_lane = false;
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oldi_format = 0x1;
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break;
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}
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dm_i2c_reg_clrset(dev->parent, 0x01ce, OLDI_FORMAT | OLDI_4TH_LANE,
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FIELD_PREP(OLDI_4TH_LANE, oldi_4th_lane) |
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FIELD_PREP(OLDI_FORMAT, oldi_format));
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}
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static const struct rockchip_bridge_funcs max96752f_bridge_funcs = {
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.pre_enable = max96752f_bridge_pre_enable,
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};
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static int max96752f_bridge_probe(struct udevice *dev)
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{
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struct rockchip_bridge *bridge;
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bridge = calloc(1, sizeof(*bridge));
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if (!bridge)
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return -ENOMEM;
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dev->driver_data = (ulong)bridge;
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bridge->dev = dev;
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bridge->funcs = &max96752f_bridge_funcs;
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return 0;
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}
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static const struct udevice_id max96752f_bridge_of_match[] = {
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{ .compatible = "maxim,max96752f-bridge", },
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{ }
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};
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U_BOOT_DRIVER(max96752f_bridge) = {
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.name = "max96752f_bridge",
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.id = UCLASS_VIDEO_BRIDGE,
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.of_match = max96752f_bridge_of_match,
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.probe = max96752f_bridge_probe,
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};
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