/*
 * (C) Copyright 2008-2017 Fuzhou Rockchip Electronics Co., Ltd
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <config.h>
#include <common.h>
#include <dm/device.h>
#include <errno.h>
#include <fdtdec.h>
#include <fdt_support.h>
#include <asm/unaligned.h>
#include <linux/list.h>

#include "rockchip_display.h"
#include "rockchip_crtc.h"
#include "rockchip_connector.h"
#include "rockchip_phy.h"

#ifdef CONFIG_DRM_ROCKCHIP_DW_MIPI_DSI
static const struct rockchip_phy rockchip_rk3366_mipi_dphy_data = {
	 .funcs = &inno_mipi_dphy_funcs,
};

static const struct rockchip_phy rockchip_rk3368_mipi_dphy_data = {
	 .funcs = &inno_mipi_dphy_funcs,
};

static const struct rockchip_phy rockchip_rk312x_mipi_dphy_data = {
	 .funcs = &inno_mipi_dphy_funcs,
};
#endif

static const struct udevice_id rockchip_phy_ids[] = {
#ifdef CONFIG_DRM_ROCKCHIP_DW_MIPI_DSI
	{
	 .compatible = "rockchip,rk3366-mipi-dphy",
	 .data = (ulong)&rockchip_rk3366_mipi_dphy_data,
	},
	{
	 .compatible = "rockchip,rk3368-mipi-dphy",
	 .data = (ulong)&rockchip_rk3368_mipi_dphy_data,
	},
	{
	 .compatible = "rockchip,rk312x-mipi-dphy",
	 .data = (ulong)&rockchip_rk312x_mipi_dphy_data,
	},
#endif
	{}
};

static int rockchip_phy_probe(struct udevice *dev)
{
	return 0;
}

static int rockchip_phy_bind(struct udevice *dev)
{
	return 0;
}

U_BOOT_DRIVER(rockchip_phy) = {
	.name = "rockchip_phy",
	.id = UCLASS_PHY,
	.of_match = rockchip_phy_ids,
	.bind	= rockchip_phy_bind,
	.probe	= rockchip_phy_probe,
};

int rockchip_phy_power_on(struct display_state *state)
{
	struct connector_state *conn_state = &state->conn_state;
	const struct rockchip_phy *phy = conn_state->phy;

	if (!phy || !phy->funcs || !phy->funcs->power_on) {
		printf("%s: failed to find phy power on funcs\n", __func__);
		return -ENODEV;
	}

	return phy->funcs->power_on(state);
}

int rockchip_phy_power_off(struct display_state *state)
{
	struct connector_state *conn_state = &state->conn_state;
	const struct rockchip_phy *phy = conn_state->phy;

	if (!phy || !phy->funcs || !phy->funcs->power_off) {
		printf("%s: failed to find phy power_off funcs\n", __func__);
		return -ENODEV;
	}

	return phy->funcs->power_off(state);
}

unsigned long rockchip_phy_set_pll(struct display_state *state,
				   unsigned long rate)
{
	struct connector_state *conn_state = &state->conn_state;
	const struct rockchip_phy *phy = conn_state->phy;

	if (!phy || !phy->funcs || !phy->funcs->set_pll) {
		printf("%s: failed to find phy set_pll funcs\n", __func__);
		return -ENODEV;
	}

	return phy->funcs->set_pll(state, rate);
}