81 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* 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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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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|  */
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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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| 
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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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| 
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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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| 
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| #define CEC_NAME	"s5p-cec"
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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| struct cec_notifier;
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| 
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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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| 
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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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| 
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| #endif /* _S5P_CEC_H_ */
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