/* 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_ */