projects / mirror_ubuntu-focal-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1bcbf6f4 KD |
1 | /* drivers/media/platform/s5p-cec/s5p_cec.h |
| 2 | * | |
| 3 | * Samsung S5P HDMI CEC driver | |
| 4 | * | |
| 5 | * Copyright (c) 2014 Samsung Electronics Co., Ltd. | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License as published by | |
| 9 | * the Free Software Foundation; either version 2 of the License, or | |
| 10 | * (at your option) any later version. | |
| 11 | */ | |
| 12 | ||
| 13 | #ifndef _S5P_CEC_H_ | |
| 14 | #define _S5P_CEC_H_ __FILE__ | |
| 15 | ||
| 16 | #include <linux/clk.h> | |
| 17 | #include <linux/interrupt.h> | |
| 18 | #include <linux/kernel.h> | |
| 19 | #include <linux/mfd/syscon.h> | |
| 20 | #include <linux/module.h> | |
| 21 | #include <linux/of.h> | |
| 22 | #include <linux/platform_device.h> | |
| 23 | #include <linux/pm_runtime.h> | |
| 24 | #include <linux/timer.h> | |
| 1bcbf6f4 KD |
25 | #include <linux/workqueue.h> |
| 26 | #include <media/cec.h> | |
| 27 | ||
| 28 | #include "exynos_hdmi_cec.h" | |
| 29 | #include "regs-cec.h" | |
| 30 | #include "s5p_cec.h" | |
| 31 | ||
| 32 | #define CEC_NAME "s5p-cec" | |
| 33 | ||
| 34 | #define CEC_STATUS_TX_RUNNING (1 << 0) | |
| 35 | #define CEC_STATUS_TX_TRANSFERRING (1 << 1) | |
| 36 | #define CEC_STATUS_TX_DONE (1 << 2) | |
| 37 | #define CEC_STATUS_TX_ERROR (1 << 3) | |
| e949f614 | 38 | #define CEC_STATUS_TX_NACK (1 << 4) |
| 1bcbf6f4 KD |
39 | #define CEC_STATUS_TX_BYTES (0xFF << 8) |
| 40 | #define CEC_STATUS_RX_RUNNING (1 << 16) | |
| 41 | #define CEC_STATUS_RX_RECEIVING (1 << 17) | |
| 42 | #define CEC_STATUS_RX_DONE (1 << 18) | |
| 43 | #define CEC_STATUS_RX_ERROR (1 << 19) | |
| 44 | #define CEC_STATUS_RX_BCAST (1 << 20) | |
| 45 | #define CEC_STATUS_RX_BYTES (0xFF << 24) | |
| 46 | ||
| 47 | #define CEC_WORKER_TX_DONE (1 << 0) | |
| 48 | #define CEC_WORKER_RX_MSG (1 << 1) | |
| 49 | ||
| 50 | /* CEC Rx buffer size */ | |
| 51 | #define CEC_RX_BUFF_SIZE 16 | |
| 52 | /* CEC Tx buffer size */ | |
| 53 | #define CEC_TX_BUFF_SIZE 16 | |
| 54 | ||
| 55 | enum cec_state { | |
| 56 | STATE_IDLE, | |
| 57 | STATE_BUSY, | |
| 58 | STATE_DONE, | |
| e949f614 | 59 | STATE_NACK, |
| 1bcbf6f4 KD |
60 | STATE_ERROR |
| 61 | }; | |
| 62 | ||
| a93d429b HV |
63 | struct cec_notifier; |
| 64 | ||
| 1bcbf6f4 KD |
65 | struct s5p_cec_dev { |
| 66 | struct cec_adapter *adap; | |
| 67 | struct clk *clk; | |
| 68 | struct device *dev; | |
| 69 | struct mutex lock; | |
| 70 | struct regmap *pmu; | |
| a93d429b | 71 | struct cec_notifier *notifier; |
| 1bcbf6f4 KD |
72 | int irq; |
| 73 | void __iomem *reg; | |
| 74 | ||
| 75 | enum cec_state rx; | |
| 76 | enum cec_state tx; | |
| 77 | struct cec_msg msg; | |
| 78 | }; | |
| 79 | ||
| 80 | #endif /* _S5P_CEC_H_ */ |