diff options
Diffstat (limited to 'drivers/media/cec/platform/s5p/s5p_cec.h')
-rw-r--r-- | drivers/media/cec/platform/s5p/s5p_cec.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/media/cec/platform/s5p/s5p_cec.h b/drivers/media/cec/platform/s5p/s5p_cec.h new file mode 100644 index 000000000..34d033b20 --- /dev/null +++ b/drivers/media/cec/platform/s5p/s5p_cec.h @@ -0,0 +1,76 @@ +/* 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_ */ |