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