
/*
 * arch/arm/cpu/armv8/txl/firmware/scp_task/cec_tx_reg.h
 *
 * Copyright (C) 2015 Amlogic, Inc. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/

#ifndef _CEC_TX_REG_H
#define _CEC_TX_REG_H

#ifndef CONFIG_CEC_OSD_NAME
#define CONFIG_CEC_OSD_NAME "Mbox"
#endif

#define IO_AOBUS_BASE		(0xC8100000)
#define AOBUS_REG_ADDR(reg)	((IO_AOBUS_BASE << OFFSET) + reg)

//#define AO_DEBUG_REG0 ((0x00 << 10) | (0x28 << 2))
//#define P_AO_DEBUG_REG0     AOBUS_REG_ADDR(AO_DEBUG_REG0)
//#define AO_DEBUG_REG1 ((0x00 << 10) | (0x29 << 2))
//#define P_AO_DEBUG_REG1     AOBUS_REG_ADDR(AO_DEBUG_REG1)
//#define AO_DEBUG_REG2 ((0x00 << 10) | (0x2a << 2))
//#define P_AO_DEBUG_REG2     AOBUS_REG_ADDR(AO_DEBUG_REG2)
//#define AO_DEBUG_REG3 ((0x00 << 10) | (0x2b << 2))
//#define P_AO_DEBUG_REG3     AOBUS_REG_ADDR(AO_DEBUG_REG3)
//#define AO_CEC_GEN_CNTL ((0x00 << 10) | (0x40 << 2))
//#define P_AO_CEC_GEN_CNTL       AOBUS_REG_ADDR(AO_CEC_GEN_CNTL)
//#define AO_CEC_RW_REG ((0x00 << 10) | (0x41 << 2))
//#define P_AO_CEC_RW_REG     AOBUS_REG_ADDR(AO_CEC_RW_REG)
//#define AO_CEC_INTR_MASKN ((0x00 << 10) | (0x42 << 2))
//#define P_AO_CEC_INTR_MASKN     AOBUS_REG_ADDR(AO_CEC_INTR_MASKN)
//#define AO_CEC_INTR_CLR ((0x00 << 10) | (0x43 << 2))
//#define P_AO_CEC_INTR_CLR       AOBUS_REG_ADDR(AO_CEC_INTR_CLR)
//#define AO_CEC_INTR_STAT ((0x00 << 10) | (0x44 << 2))
//#define P_AO_CEC_INTR_STAT      AOBUS_REG_ADDR(AO_CEC_INTR_STAT)

//#define P_AO_RTI_GEN_PWR_SLEEP0 (0xc8100000 + (0x3a << 2))

//********** OTHER BASE related **********//
#define HDMI_OTHER_CTRL0            0x0
#define HDMI_OTHER_CTRL1            0x1
#define HDMI_OTHER_STATUS0          0x2
#define HDMI_OTHER_CTRL2            0x3
#define HDMI_OTHER_INTR_MASKN       0x4
#define HDMI_OTHER_INTR_STAT        0x5
#define HDMI_OTHER_INTR_STAT_CLR    0x6


//********** CEC related **********//
//read/write
#define CEC_TX_MSG_0_HEADER        0x00
//#define CEC_TX_MSG_1_OPCODE        0x01
//#define CEC_TX_MSG_2_OP1           0x02
//#define CEC_TX_MSG_3_OP2           0x03
//#define CEC_TX_MSG_4_OP3           0x04
//#define CEC_TX_MSG_5_OP4           0x05
//#define CEC_TX_MSG_6_OP5           0x06
//#define CEC_TX_MSG_7_OP6           0x07
//#define CEC_TX_MSG_8_OP7           0x08
//#define CEC_TX_MSG_9_OP8           0x09
//#define CEC_TX_MSG_A_OP9           0x0A
//#define CEC_TX_MSG_B_OP10          0x0B
//#define CEC_TX_MSG_C_OP11          0x0C
//#define CEC_TX_MSG_D_OP12          0x0D
//#define CEC_TX_MSG_E_OP13          0x0E
//#define CEC_TX_MSG_F_OP14          0x0F

//read only
#define CEC_TX_MSG_LENGTH          0x10
#define CEC_TX_MSG_CMD             0x11
#define CEC_TX_WRITE_BUF           0x12
#define CEC_TX_CLEAR_BUF           0x13
#define CEC_RX_MSG_CMD             0x14
#define CEC_RX_CLEAR_BUF           0x15
#define CEC_LOGICAL_ADDR0          0x16
//#define CEC_LOGICAL_ADDR1          0x17
//#define CEC_LOGICAL_ADDR2          0x18
//#define CEC_LOGICAL_ADDR3          0x19
//#define CEC_LOGICAL_ADDR4          0x1A
#define CEC_CLOCK_DIV_H            0x1B
#define CEC_CLOCK_DIV_L            0x1C

//read/write
#define CEC_RX_MSG_0_HEADER        0x80
//#define CEC_RX_MSG_1_OPCODE        0x81
//#define CEC_RX_MSG_2_OP1           0x82
//#define CEC_RX_MSG_3_OP2           0x83
//#define CEC_RX_MSG_4_OP3           0x84
//#define CEC_RX_MSG_5_OP4           0x85
//#define CEC_RX_MSG_6_OP5           0x86
//#define CEC_RX_MSG_7_OP6           0x87
//#define CEC_RX_MSG_8_OP7           0x88
//#define CEC_RX_MSG_9_OP8           0x89
//#define CEC_RX_MSG_A_OP9           0x8A
//#define CEC_RX_MSG_B_OP10          0x8B
//#define CEC_RX_MSG_C_OP11          0x8C
//#define CEC_RX_MSG_D_OP12          0x8D
//#define CEC_RX_MSG_E_OP13          0x8E
//#define CEC_RX_MSG_F_OP14          0x8F

//read only
#define CEC_RX_MSG_LENGTH          0x90
#define CEC_RX_MSG_STATUS          0x91
#define CEC_RX_NUM_MSG             0x92
#define CEC_TX_MSG_STATUS          0x93
#define CEC_TX_NUM_MSG             0x94

// tx_msg_cmd definition
#define TX_NO_OP                0  // No transaction
#define TX_REQ_CURRENT          1  // Transmit earliest message in buffer
#define TX_ABORT                2  // Abort transmitting earliest message
#define TX_REQ_NEXT             3  // Overwrite earliest message in buffer and transmit next message

// tx_msg_status definition
#define TX_IDLE                 0  // No transaction
#define TX_BUSY                 1  // Transmitter is busy
#define TX_DONE                 2  // Message has been successfully transmitted
#define TX_ERROR                3  // Message has been transmitted with error

// rx_msg_cmd
#define RX_NO_OP                0  // No transaction
#define RX_ACK_CURRENT          1  // Read earliest message in buffer
#define RX_DISABLE              2  // Disable receiving latest message
#define RX_ACK_NEXT             3  // Clear earliest message from buffer and read next message

// rx_msg_status
#define RX_IDLE                 0  // No transaction
#define RX_BUSY                 1  // Receiver is busy
#define RX_DONE                 2  // Message has been received successfully
#define RX_ERROR                3  // Message has been received with error


/*
 * CEC OPCODES
 */
#define	CEC_OC_ABORT_MESSAGE 					0xFF
#define	CEC_OC_ACTIVE_SOURCE 					0x82
#define	CEC_OC_CEC_VERSION 					0x9E
#define	CEC_OC_CLEAR_ANALOGUE_TIMER 				0x33
#define	CEC_OC_CLEAR_DIGITAL_TIMER 				0x99
#define	CEC_OC_CLEAR_EXTERNAL_TIMER 				0xA1
#define	CEC_OC_DECK_CONTROL 					0x42
#define	CEC_OC_DECK_STATUS 					0x1B
#define	CEC_OC_DEVICE_VENDOR_ID 				0x87
#define	CEC_OC_FEATURE_ABORT 					0x00
#define	CEC_OC_GET_CEC_VERSION 					0x9F
#define	CEC_OC_GET_MENU_LANGUAGE 				0x91
#define	CEC_OC_GIVE_AUDIO_STATUS 				0x71
#define	CEC_OC_GIVE_DECK_STATUS 				0x1A
#define	CEC_OC_GIVE_DEVICE_POWER_STATUS 			0x8F
#define	CEC_OC_GIVE_DEVICE_VENDOR_ID 				0x8C
#define	CEC_OC_GIVE_OSD_NAME 					0x46
#define	CEC_OC_GIVE_PHYSICAL_ADDRESS 				0x83
#define	CEC_OC_GIVE_SYSTEM_AUDIO_MODE_STATUS 			0x7D
#define	CEC_OC_GIVE_TUNER_DEVICE_STATUS 			0x08
#define	CEC_OC_IMAGE_VIEW_ON 					0x04
#define	CEC_OC_INACTIVE_SOURCE 					0x9D
#define	CEC_OC_MENU_REQUEST 					0x8D
#define	CEC_OC_MENU_STATUS 					0x8E
#define	CEC_OC_PLAY 						0x41
#define	CEC_OC_POLLING_MESSAGE 					0xFC	/* Fake Code - <Poll Message> has no OP Code and requires only the header byte */
#define	CEC_OC_RECORD_OFF 					0x0B
#define	CEC_OC_RECORD_ON 					0x09
#define	CEC_OC_RECORD_STATUS 					0x0A
#define	CEC_OC_RECORD_TV_SCREEN 				0x0F
#define	CEC_OC_REPORT_AUDIO_STATUS 				0x7A
#define	CEC_OC_REPORT_PHYSICAL_ADDRESS 				0x84
#define	CEC_OC_REPORT_POWER_STATUS 				0x90
#define	CEC_OC_REQUEST_ACTIVE_SOURCE 				0x85
#define	CEC_OC_ROUTING_CHANGE 					0x80
#define	CEC_OC_ROUTING_INFORMATION 				0x81
#define	CEC_OC_SELECT_ANALOGUE_SERVICE 				0x92
#define	CEC_OC_SELECT_DIGITAL_SERVICE 				0x93
#define	CEC_OC_SET_ANALOGUE_TIMER 				0x34
#define	CEC_OC_SET_AUDIO_RATE 					0x9A
#define	CEC_OC_SET_DIGITAL_TIMER 				0x97
#define	CEC_OC_SET_EXTERNAL_TIMER 				0xA2
#define	CEC_OC_SET_MENU_LANGUAGE 				0x32
#define	CEC_OC_SET_OSD_NAME 					0x47
#define	CEC_OC_SET_OSD_STRING 					0x64
#define	CEC_OC_SET_STREAM_PATH 					0x86
#define	CEC_OC_SET_SYSTEM_AUDIO_MODE 				0x72
#define	CEC_OC_SET_TIMER_PROGRAM_TITLE 				0x67
#define	CEC_OC_STANDBY 						0x36
#define	CEC_OC_SYSTEM_AUDIO_MODE_REQUEST 			0x70
#define	CEC_OC_SYSTEM_AUDIO_MODE_STATUS 			0x7E
#define	CEC_OC_TEXT_VIEW_ON 					0x0D
#define	CEC_OC_TIMER_CLEARED_STATUS 				0x43
#define	CEC_OC_TIMER_STATUS 					0x35
#define	CEC_OC_TUNER_DEVICE_STATUS 				0x07
#define	CEC_OC_TUNER_STEP_DECREMENT 				0x06
#define	CEC_OC_TUNER_STEP_INCREMENT 				0x05
#define	CEC_OC_USER_CONTROL_PRESSED 				0x44
#define	CEC_OC_USER_CONTROL_RELEASED 				0x45
#define	CEC_OC_VENDOR_COMMAND 					0x89
#define	CEC_OC_VENDOR_COMMAND_WITH_ID 				0xA0
#define	CEC_OC_VENDOR_REMOTE_BUTTON_DOWN 			0x8A
#define	CEC_OC_VENDOR_REMOTE_BUTTON_UP 				0x8B

/*CEC UI MASK*/
#define CEC_FUNC_MASK                        0
#define ONE_TOUCH_PLAY_MASK                  1
#define ONE_TOUCH_STANDBY_MASK               2
#define AUTO_POWER_ON_MASK                   3

//#define P_HHI_GCLK_MPEG2 CBUS_REG_ADDR(HHI_GCLK_MPEG2)
//#define P_HHI_HDMI_CLK_CNTL CBUS_REG_ADDR(HHI_HDMI_CLK_CNTL)
#define MAX_MSG 16
#define CEC_PLAYBACK_DEVICE_TYPE 4
#define CEC_BROADCAST_ADDR 0xf
#define CEC_VERSION_14A 5

enum _cec_log_dev_addr_e {
    CEC_TV_ADDR = 0x00,
    CEC_RECORDING_DEVICE_1_ADDR,
    CEC_RECORDING_DEVICE_2_ADDR,
    CEC_TUNER_1_ADDR,
    CEC_PLAYBACK_DEVICE_1_ADDR,
    CEC_AUDIO_SYSTEM_ADDR,
    CEC_TUNER_2_ADDR,
    CEC_TUNER_3_ADDR,
    CEC_PLAYBACK_DEVICE_2_ADDR,
    CEC_RECORDING_DEVICE_3_ADDR,
    CEC_TUNER_4_ADDR,
    CEC_PLAYBACK_DEVICE_3_ADDR,
    CEC_RESERVED_1_ADDR,
    CEC_RESERVED_2_ADDR,
    CEC_FREE_USE_ADDR,
    CEC_UNREGISTERED_ADDR
};

typedef enum  {
    CEC_UNRECONIZED_OPCODE = 0x0,
    CEC_NOT_CORRECT_MODE_TO_RESPOND,
    CEC_CANNOT_PROVIDE_SOURCE,
    CEC_INVALID_OPERAND,
    CEC_REFUSED,
    CEC_UNABLE_TO_DETERMINE,
} cec_feature_abort_e;

typedef enum {
    DEVICE_MENU_ACTIVE = 0,
    DEVICE_MENU_INACTIVE,
} cec_device_menu_state_e;

/* cec message structure */
typedef struct {
    unsigned char msg[16];
    unsigned char msg_len;
} cec_msg_buf_t;

typedef struct {
    cec_msg_buf_t buf[2];          // message memory
    unsigned char power_status;
    unsigned char log_addr;
    unsigned char cec_power;
    unsigned char rx_write_pos;
    unsigned char rx_read_pos;
    unsigned char rx_buf_size;
} cec_msg_t;

cec_msg_t cec_msg;
unsigned char hdmi_cec_func_config;
void cec_node_init(void);
unsigned int cec_handler(void);
void remote_cec_hw_reset(void);
//void cec_give_device_power_status(void);
extern void udelay(int i);

// The following registers are for fine tuning CEC bit timing parameters.
// They are only valid in AO CEC, NOT valid in HDMITX CEC.
// The AO CEC's timing parameters are already set default to work with 32768Hz clock, so hopefully
// SW never need to program these registers. The timing registers are made programmable just in case.

#define AO_CEC_TXTIME_17MS_BIT7_0               0x40
#define AO_CEC_TXTIME_17MS_BIT10_8              0x41
#define AO_CEC_TXTIME_2BIT_BIT7_0               0x42
#define AO_CEC_TXTIME_2BIT_BIT10_8              0x43
#define AO_CEC_TXTIME_4BIT_BIT7_0               0x44
#define AO_CEC_TXTIME_4BIT_BIT10_8              0x45

#endif  // _HDMI_RX_REG_H