// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2023 Rockchip Electronics Co. Ltd.
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*
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* Author: Zhang Yubing <yubing.zhang@rock-chips.com>
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*/
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#include "hal/cru_api.h"
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#include "rkx110_x120.h"
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#include "rkx110_x120_display.h"
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#include "rkx110_dsi_rx.h"
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#include "rkx120_dsi_tx.h"
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int rk_serdes_display_route_prepare(struct rk_serdes *serdes, struct rk_serdes_route *route)
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{
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u32 local_port;
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local_port = route->local_port0 ? route->local_port0 : route->local_port1;
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switch (local_port) {
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case RK_SERDES_RGB_RX:
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rkx110_rgb_rx_enable(serdes, route);
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break;
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case RK_SERDES_LVDS_RX0:
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rkx110_lvds_rx_enable(serdes, route, 0);
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break;
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case RK_SERDES_LVDS_RX1:
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rkx110_lvds_rx_enable(serdes, route, 1);
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break;
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case RK_SERDES_DUAL_LVDS_RX:
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rkx110_lvds_rx_enable(serdes, route, 0);
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rkx110_lvds_rx_enable(serdes, route, 1);
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break;
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case RK_SERDES_DSI_RX0:
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rkx110_dsi_rx_enable(serdes, route, 0);
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break;
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case RK_SERDES_DSI_RX1:
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rkx110_dsi_rx_enable(serdes, route, 1);
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break;
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default:
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dev_info(serdes->dev, "undefined local port\n");
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}
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rkx110_display_linktx_enable(serdes, route);
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if (route->local_port0) {
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rkx120_display_linkrx_enable(serdes, route, DEVICE_REMOTE0);
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if (serdes->remote_nr == 2 && serdes->route_nr != 2)
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rkx120_display_linkrx_enable(serdes, route, DEVICE_REMOTE1);
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if (route->remote0_port0 & RK_SERDES_DSI_TX0)
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rkx120_dsi_tx_pre_enable(serdes, route, DEVICE_REMOTE0);
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if (route->remote1_port0 & RK_SERDES_DSI_TX0)
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rkx120_dsi_tx_pre_enable(serdes, route, DEVICE_REMOTE1);
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}
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if (route->local_port1) {
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if (serdes->remote_nr == 2)
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rkx120_display_linkrx_enable(serdes, route, DEVICE_REMOTE1);
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else
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rkx120_display_linkrx_enable(serdes, route, DEVICE_REMOTE0);
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if (route->remote1_port0 & RK_SERDES_DSI_TX0)
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rkx120_dsi_tx_pre_enable(serdes, route, DEVICE_REMOTE1);
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}
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return 0;
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}
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int rk_serdes_display_video_start(struct rk_serdes *serdes,
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struct rk_serdes_route *route, bool enable)
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{
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if (route->local_port0) {
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if (route->route_flag & ROUTE_MULTI_CHANNEL) {
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if (route->route_flag & ROUTE_MULTI_REMOTE) {
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rkx120_linkrx_engine_enable(serdes, 0, DEVICE_REMOTE0, enable);
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rkx120_linkrx_engine_enable(serdes, 0, DEVICE_REMOTE1, enable);
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} else {
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rkx120_linkrx_engine_enable(serdes, 0, DEVICE_REMOTE0, enable);
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rkx120_linkrx_engine_enable(serdes, 1, DEVICE_REMOTE0, enable);
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}
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rkx110_linktx_channel_enable(serdes, 0, DEVICE_LOCAL, enable);
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rkx110_linktx_channel_enable(serdes, 1, DEVICE_LOCAL, enable);
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} else {
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rkx120_linkrx_engine_enable(serdes, 0, DEVICE_REMOTE0, enable);
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rkx110_linktx_channel_enable(serdes, 0, DEVICE_LOCAL, enable);
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}
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} else {
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if (serdes->remote_nr == 2)
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rkx120_linkrx_engine_enable(serdes, 0, DEVICE_REMOTE1, enable);
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else
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rkx120_linkrx_engine_enable(serdes, 1, DEVICE_REMOTE0, enable);
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rkx110_linktx_channel_enable(serdes, 1, DEVICE_LOCAL, enable);
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}
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return 0;
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}
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int rk_serdes_display_route_init(struct rk_serdes *serdes)
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{
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rkx120_linkrx_engine_enable(serdes, 0, DEVICE_REMOTE0, false);
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if (serdes->remote_nr == 2)
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rkx120_linkrx_engine_enable(serdes, 0, DEVICE_REMOTE1, false);
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else
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rkx120_linkrx_engine_enable(serdes, 1, DEVICE_REMOTE0, false);
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rkx110_linktx_channel_enable(serdes, 0, DEVICE_LOCAL, false);
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rkx110_linktx_channel_enable(serdes, 1, DEVICE_LOCAL, false);
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return 0;
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}
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int rk_serdes_display_route_enable(struct rk_serdes *serdes, struct rk_serdes_route *route)
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{
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if (route->remote0_port0) {
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switch (route->remote0_port0) {
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case RK_SERDES_RGB_TX:
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rkx120_rgb_tx_enable(serdes, route, DEVICE_REMOTE0);
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break;
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case RK_SERDES_LVDS_TX0:
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rkx120_lvds_tx_enable(serdes, route, DEVICE_REMOTE0, 0);
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break;
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case RK_SERDES_LVDS_TX1:
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rkx120_lvds_tx_enable(serdes, route, DEVICE_REMOTE0, 1);
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break;
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case RK_SERDES_DUAL_LVDS_TX:
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rkx120_lvds_tx_enable(serdes, route, DEVICE_REMOTE0, 0);
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rkx120_lvds_tx_enable(serdes, route, DEVICE_REMOTE0, 1);
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break;
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case RK_SERDES_DSI_TX0:
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rkx120_dsi_tx_enable(serdes, route, DEVICE_REMOTE0);
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break;
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default:
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dev_err(serdes->dev, "undefined remote0_port0\n");
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break;
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}
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}
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if (route->remote1_port0) {
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switch (route->remote1_port0) {
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case RK_SERDES_RGB_TX:
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rkx120_rgb_tx_enable(serdes, route, DEVICE_REMOTE1);
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break;
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case RK_SERDES_LVDS_TX0:
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rkx120_lvds_tx_enable(serdes, route, DEVICE_REMOTE1, 0);
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break;
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case RK_SERDES_LVDS_TX1:
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rkx120_lvds_tx_enable(serdes, route, DEVICE_REMOTE1, 1);
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break;
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case RK_SERDES_DUAL_LVDS_TX:
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rkx120_lvds_tx_enable(serdes, route, DEVICE_REMOTE1, 0);
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rkx120_lvds_tx_enable(serdes, route, DEVICE_REMOTE1, 1);
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break;
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case RK_SERDES_DSI_TX0:
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rkx120_dsi_tx_enable(serdes, route, DEVICE_REMOTE1);
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break;
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default:
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dev_err(serdes->dev, "undefined remote1_port0\n");
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break;
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}
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}
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if (route->remote0_port1) {
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switch (route->remote0_port1) {
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case RK_SERDES_LVDS_TX0:
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rkx120_lvds_tx_enable(serdes, route, DEVICE_REMOTE0, 0);
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break;
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case RK_SERDES_LVDS_TX1:
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rkx120_lvds_tx_enable(serdes, route, DEVICE_REMOTE0, 1);
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break;
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default:
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dev_err(serdes->dev, "undefined remote0_port1\n");
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break;
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}
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}
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if (serdes->version == SERDES_V1)
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rk_serdes_display_video_start(serdes, route, true);
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rkx110_linktx_video_enable(serdes, DEVICE_LOCAL, true);
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return 0;
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}
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int rk_serdes_display_route_disable(struct rk_serdes *serdes, struct rk_serdes_route *route)
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{
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if (route->remote0_port0 & RK_SERDES_DSI_TX0)
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rkx120_dsi_tx_disable(serdes, route, DEVICE_REMOTE0);
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if (route->remote1_port0 & RK_SERDES_DSI_TX0)
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rkx120_dsi_tx_disable(serdes, route, DEVICE_REMOTE1);
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if (serdes->version == SERDES_V1) {
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rk_serdes_display_video_start(serdes, route, false);
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if (route->local_port0 == RK_SERDES_DUAL_LVDS_RX) {
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rkx110_set_stream_source(serdes, RK_SERDES_RGB_RX,
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DEVICE_LOCAL);
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hwclk_reset(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX110_SRST_RESETN_2X_LVDS_RKLINK_TX);
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hwclk_reset(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX110_SRST_RESETN_D_LVDS0_RKLINK_TX);
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hwclk_reset(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX110_SRST_RESETN_D_LVDS1_RKLINK_TX);
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}
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if ((route->local_port0 == RK_SERDES_DSI_RX0) ||
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(route->local_port1 == RK_SERDES_DSI_RX0)) {
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serdes->i2c_write_reg(serdes->chip[DEVICE_LOCAL].client, 0x0314,
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0x1400140);
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hwclk_reset(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX111_SRST_RESETN_D_DSI_0_REC_RKLINK_TX);
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hwclk_reset(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX110_SRST_RESETN_D_DSI_0_RKLINK_TX);
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}
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if ((route->local_port0 == RK_SERDES_DSI_RX1) ||
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(route->local_port1 == RK_SERDES_DSI_RX1)) {
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serdes->i2c_write_reg(serdes->chip[DEVICE_LOCAL].client, 0x0314,
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0x2800280);
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hwclk_reset(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX111_SRST_RESETN_D_DSI_1_REC_RKLINK_TX);
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hwclk_reset(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX110_SRST_RESETN_D_DSI_1_RKLINK_TX);
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}
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}
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return 0;
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}
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int rk_serdes_display_route_unprepare(struct rk_serdes *serdes, struct rk_serdes_route *route)
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{
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if (route->remote0_port0 & RK_SERDES_DSI_TX0)
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rkx120_dsi_tx_post_disable(serdes, route, DEVICE_REMOTE0);
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if (route->remote1_port0 & RK_SERDES_DSI_TX0)
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rkx120_dsi_tx_post_disable(serdes, route, DEVICE_REMOTE1);
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if (serdes->version == SERDES_V1) {
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if (route->local_port0 == RK_SERDES_DUAL_LVDS_RX) {
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hwclk_reset_deassert(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX110_SRST_RESETN_2X_LVDS_RKLINK_TX);
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hwclk_reset_deassert(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX110_SRST_RESETN_D_LVDS0_RKLINK_TX);
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hwclk_reset_deassert(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX110_SRST_RESETN_D_LVDS1_RKLINK_TX);
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rkx110_set_stream_source(serdes, RK_SERDES_DUAL_LVDS_RX,
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DEVICE_LOCAL);
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}
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if ((route->local_port0 == RK_SERDES_DSI_RX0) ||
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(route->local_port1 == RK_SERDES_DSI_RX0)) {
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hwclk_reset_deassert(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX110_SRST_RESETN_D_DSI_0_RKLINK_TX);
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hwclk_reset_deassert(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX111_SRST_RESETN_D_DSI_0_REC_RKLINK_TX);
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serdes->i2c_write_reg(serdes->chip[DEVICE_LOCAL].client, 0x0314,
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0x1400000);
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}
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if ((route->local_port0 == RK_SERDES_DSI_RX1) ||
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(route->local_port1 == RK_SERDES_DSI_RX1)) {
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hwclk_reset_deassert(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX110_SRST_RESETN_D_DSI_1_RKLINK_TX);
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hwclk_reset_deassert(serdes->chip[DEVICE_LOCAL].hwclk,
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RKX111_SRST_RESETN_D_DSI_1_REC_RKLINK_TX);
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serdes->i2c_write_reg(serdes->chip[DEVICE_LOCAL].client, 0x0314,
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0x2800000);
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}
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}
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return 0;
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}
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