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76 lines
1.7 KiB
76 lines
1.7 KiB
/* 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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