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/* SPDX-License-Identifier: GPL-2.0-or-later */
/* drivers/media/platform/s5p-cec/s5p_cec.h
*
* Samsung S5P HDMI CEC driver
*
* Copyright (c) 2014 Samsung Electronics Co., Ltd.
*/
#ifndef _S5P_CEC_H_
#define _S5P_CEC_H_ __FILE__
#include <linux/clk.h>
#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <media/cec.h>
#include "exynos_hdmi_cec.h"
#include "regs-cec.h"
#include "s5p_cec.h"
#define CEC_NAME "s5p-cec"
#define CEC_STATUS_TX_RUNNING (1 << 0)
#define CEC_STATUS_TX_TRANSFERRING (1 << 1)
#define CEC_STATUS_TX_DONE (1 << 2)
#define CEC_STATUS_TX_ERROR (1 << 3)
#define CEC_STATUS_TX_NACK (1 << 4)
#define CEC_STATUS_TX_BYTES (0xFF << 8)
#define CEC_STATUS_RX_RUNNING (1 << 16)
#define CEC_STATUS_RX_RECEIVING (1 << 17)
#define CEC_STATUS_RX_DONE (1 << 18)
#define CEC_STATUS_RX_ERROR (1 << 19)
#define CEC_STATUS_RX_BCAST (1 << 20)
#define CEC_STATUS_RX_BYTES (0xFF << 24)
#define CEC_WORKER_TX_DONE (1 << 0)
#define CEC_WORKER_RX_MSG (1 << 1)
/* CEC Rx buffer size */
#define CEC_RX_BUFF_SIZE 16
/* CEC Tx buffer size */
#define CEC_TX_BUFF_SIZE 16
enum cec_state {
STATE_IDLE,
STATE_BUSY,
STATE_DONE,
STATE_NACK,
STATE_ERROR
};
struct cec_notifier;
struct s5p_cec_dev {
struct cec_adapter *adap;
struct clk *clk;
struct device *dev;
struct mutex lock;
struct regmap *pmu;
struct cec_notifier *notifier;
int irq;
void __iomem *reg;
enum cec_state rx;
enum cec_state tx;
struct cec_msg msg;
};
#endif /* _S5P_CEC_H_ */
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