s5p_cec.h (1707B)
1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* drivers/media/platform/s5p-cec/s5p_cec.h 3 * 4 * Samsung S5P HDMI CEC driver 5 * 6 * Copyright (c) 2014 Samsung Electronics Co., Ltd. 7 */ 8 9#ifndef _S5P_CEC_H_ 10#define _S5P_CEC_H_ __FILE__ 11 12#include <linux/clk.h> 13#include <linux/interrupt.h> 14#include <linux/kernel.h> 15#include <linux/mfd/syscon.h> 16#include <linux/module.h> 17#include <linux/of.h> 18#include <linux/platform_device.h> 19#include <linux/pm_runtime.h> 20#include <linux/timer.h> 21#include <linux/workqueue.h> 22#include <media/cec.h> 23 24#include "exynos_hdmi_cec.h" 25#include "regs-cec.h" 26#include "s5p_cec.h" 27 28#define CEC_NAME "s5p-cec" 29 30#define CEC_STATUS_TX_RUNNING (1 << 0) 31#define CEC_STATUS_TX_TRANSFERRING (1 << 1) 32#define CEC_STATUS_TX_DONE (1 << 2) 33#define CEC_STATUS_TX_ERROR (1 << 3) 34#define CEC_STATUS_TX_NACK (1 << 4) 35#define CEC_STATUS_TX_BYTES (0xFF << 8) 36#define CEC_STATUS_RX_RUNNING (1 << 16) 37#define CEC_STATUS_RX_RECEIVING (1 << 17) 38#define CEC_STATUS_RX_DONE (1 << 18) 39#define CEC_STATUS_RX_ERROR (1 << 19) 40#define CEC_STATUS_RX_BCAST (1 << 20) 41#define CEC_STATUS_RX_BYTES (0xFF << 24) 42 43#define CEC_WORKER_TX_DONE (1 << 0) 44#define CEC_WORKER_RX_MSG (1 << 1) 45 46/* CEC Rx buffer size */ 47#define CEC_RX_BUFF_SIZE 16 48/* CEC Tx buffer size */ 49#define CEC_TX_BUFF_SIZE 16 50 51enum cec_state { 52 STATE_IDLE, 53 STATE_BUSY, 54 STATE_DONE, 55 STATE_NACK, 56 STATE_ERROR 57}; 58 59struct cec_notifier; 60 61struct s5p_cec_dev { 62 struct cec_adapter *adap; 63 struct clk *clk; 64 struct device *dev; 65 struct mutex lock; 66 struct regmap *pmu; 67 struct cec_notifier *notifier; 68 int irq; 69 void __iomem *reg; 70 71 enum cec_state rx; 72 enum cec_state tx; 73 struct cec_msg msg; 74}; 75 76#endif /* _S5P_CEC_H_ */