/*
 *  Routines to access hardware
 *
 *  Copyright (c) 2013 Realtek Semiconductor Corp.
 *
 *  This module is a confidential and proprietary property of RealTek and
 *  possession or use of this module requires written permission of RealTek.
 */


#ifndef _RTL8195A_UART_H_
#define _RTL8195A_UART_H_

#define MAX_UART_INDEX      2

#define RUART_DLL_OFF                   0x00
#define RUART_DLM_OFF                   0x04    //RW, DLAB = 1
#define RUART_INTERRUPT_EN_REG_OFF      0x04
#define RUART_IER_ERBI                  0x01    //BIT0, Enable Received Data Available Interrupt (rx trigger)
#define RUART_IER_ETBEI                 (1<<1)  //BIT1, Enable Transmitter FIFO Empty Interrupt (tx fifo empty)
#define RUART_IER_ELSI                  (1<<2)  //BIT2, Enable Receiver Line Status Interrupt (receiver line status)
#define RUART_IER_EDSSI                 (1<<3)  //BIT3, Enable Modem Status Interrupt (modem status transition)

#define RUART_INT_ID_REG_OFF            0x08    //[R]
#define RUART_IIR_INT_PEND              0x01
#define RUART_IIR_INT_ID                (0x07<<1) //011(3), 010(2), 110(6), 001(1), 000(0)
#define RUART_FIFO_CTL_REG_OFF          0x08    //[W]
#define RUART_FIFO_CTL_REG_FIFO_ENABLE  0x01    //BIT0
#define RUART_FIFO_CTL_REG_CLEAR_RXFIFO (1<<1)  //BIT1, 0x02, Write 1 clear
#define RUART_FIFO_CTL_REG_CLEAR_TXFIFO (1<<2)  //BIT2, 0x04, Write 1 clear
#define RUART_FIFO_CTL_REG_DMA_ENABLE   0x08    //BIT3

#define FIFO_CTL_DEFAULT_WITH_FIFO_DMA  0xC9
#define FIFO_CTL_DEFAULT_WITH_FIFO      0xC1

#define RUART_MODEM_CTL_REG_OFF         0x10
#define RUART_MCR_RTS                   BIT1
#define RUART_MCL_AUTOFLOW_ENABLE       (1<<5)  //BIT5, 0x20

#define RUART_LINE_CTL_REG_OFF          0x0C
#define RUART_LINE_CTL_REG_DLAB_ENABLE  (1<<7)  //BIT7, 0x80

#define RUART_LINE_STATUS_REG_OFF       0x14
#define RUART_LINE_STATUS_REG_DR        0x01    //BIT0, Data Ready indicator
#define RUART_LINE_STATUS_ERR_OVERRUN   (1<<1)  //BIT1, Over Run
#define RUART_LINE_STATUS_ERR_PARITY    (1<<2)  //BIT2, Parity error
#define RUART_LINE_STATUS_ERR_FRAMING   (1<<3)  //BIT3, Framing error
#define RUART_LINE_STATUS_ERR_BREAK     (1<<4)  //BIT4, Break interrupt error
#define RUART_LINE_STATUS_REG_THRE      (1<<5)  //BIT5, 0x20, Transmit Holding Register Empty Interrupt enable
#define RUART_LINE_STATUS_REG_TEMT      (1<<6)  //BIT6, 0x40, Transmitter Empty indicator(bit)
#define RUART_LINE_STATUS_ERR_RXFIFO    (1<<7)  //BIT7, RX FIFO error
#define RUART_LINE_STATUS_ERR           (RUART_LINE_STATUS_ERR_OVERRUN|RUART_LINE_STATUS_ERR_PARITY| \
                                        RUART_LINE_STATUS_ERR_FRAMING|RUART_LINE_STATUS_ERR_BREAK| \
                                        RUART_LINE_STATUS_ERR_RXFIFO)      //Line status error

#define RUART_MODEM_STATUS_REG_OFF      0x18    //Modem Status Register
#define RUART_SCRATCH_PAD_REG_OFF       0x1C    //Scratch Pad Register
#define RUART_SP_REG_RXBREAK_INT_STATUS (1<<7)  //BIT7, 0x80, Write 1 clear
#define RUART_SP_REG_DBG_SEL            (0x0F<<8) //[11:8], Debug port selection
#define RUART_SP_REG_XFACTOR_ADJ        (0x7FF<<16)  //[26:16]

#define RUART_STS_REG_OFF               0x20
#define RUART_STS_REG_RESET_RCV         (1<<3)  //BIT3, 0x08, Reset Uart Receiver
#define RUART_STS_REG_XFACTOR           0xF<<4

#define RUART_REV_BUF_REG_OFF           0x24  //Receiver Buffer Register
#define RUART_TRAN_HOLD_REG_OFF         0x24  //Transmitter Holding Register

#define RUART_MISC_CTL_REG_OFF          0x28
#define RUART_TXDMA_BURSTSIZE_MASK      0xF8    //7:3
#define RUART_RXDMA_BURSTSIZE_MASK      0x1F00  //12:8

#define RUART_DEBUG_REG_OFF             0x3C

// RUART_LINE_CTL_REG_OFF (0x0C)
#define BIT_SHIFT_LCR_WLS             0     // word length select: 0: 7 bits, 1: 8bits
#define BIT_MASK_LCR_WLS_8BITS        0x1
#define BIT_LCR_WLS(x)(((x) & BIT_MASK_LCR_WLS_8BITS) << BIT_SHIFT_LCR_WLS)
#define BIT_CLR_LCR_WLS (~(BIT_MASK_LCR_WLS_8BITS << BIT_SHIFT_LCR_WLS))

#define BIT_SHIFT_LCR_STB             2     // Stop bit select: 0: no stop bit, 1: 1 stop bit
#define BIT_MASK_LCR_STB_EN           0x1
#define BIT_LCR_STB_EN(x)(((x) & BIT_MASK_LCR_STB_EN) << BIT_SHIFT_LCR_STB)
#define BIT_INVC_LCR_STB_EN (~(BIT_MASK_LCR_STB_EN << BIT_SHIFT_LCR_STB))

#define BIT_SHIFT_LCR_PARITY_EN       3
#define BIT_MASK_LCR_PARITY_EN        0x1
#define BIT_LCR_PARITY_EN(x)(((x) & BIT_MASK_LCR_PARITY_EN) << BIT_SHIFT_LCR_PARITY_EN)
#define BIT_INVC_LCR_PARITY_EN (~(BIT_MASK_LCR_PARITY_EN << BIT_SHIFT_LCR_PARITY_EN))

#define BIT_SHIFT_LCR_PARITY_TYPE       4
#define BIT_MASK_LCR_PARITY_TYPE        0x1
#define BIT_LCR_PARITY_TYPE(x)(((x) & BIT_MASK_LCR_PARITY_TYPE) << BIT_SHIFT_LCR_PARITY_TYPE)
#define BIT_INVC_LCR_PARITY_TYPE (~(BIT_MASK_LCR_PARITY_TYPE << BIT_SHIFT_LCR_PARITY_TYPE))

#define BIT_SHIFT_LCR_STICK_PARITY_EN       5
#define BIT_MASK_LCR_STICK_PARITY_EN        0x1
#define BIT_LCR_STICK_PARITY_EN(x)(((x) & BIT_MASK_LCR_STICK_PARITY_EN) << BIT_SHIFT_LCR_STICK_PARITY_EN)
#define BIT_INVC_LCR_STICK_PARITY_EN (~(BIT_MASK_LCR_STICK_PARITY_EN << BIT_SHIFT_LCR_STICK_PARITY_EN))

#define BIT_SHIFT_LCR_BREAK_CTRL       6
#define BIT_MASK_LCR_BREAK_CTRL        0x1
#define BIT_UART_LCR_BREAK_CTRL        ((BIT_MASK_LCR_BREAK_CTRL) << BIT_SHIFT_LCR_BREAK_CTRL)

#define RUART_BAUD_RATE_2400     2400
#define RUART_BAUD_RATE_4800     4800
#define RUART_BAUD_RATE_9600     9600
#define RUART_BAUD_RATE_19200    19200
#define RUART_BAUD_RATE_38400    38400
#define RUART_BAUD_RATE_57600    57600
#define RUART_BAUD_RATE_115200   115200
#define RUART_BAUD_RATE_921600   921600
#define RUART_BAUD_RATE_1152000  1152000

#define HAL_RUART_READ32(UartIndex, addr)    \
    HAL_READ32(UART0_REG_BASE+ (UartIndex*RUART_REG_OFF), addr)
#define HAL_RUART_WRITE32(UartIndex, addr, value)    \
    HAL_WRITE32(UART0_REG_BASE+ (UartIndex*RUART_REG_OFF), addr, value)
#define HAL_RUART_READ16(UartIndex, addr)    \
    HAL_READ16(UART0_REG_BASE+ (UartIndex*RUART_REG_OFF), addr)
#define HAL_RUART_WRITE16(UartIndex, addr, value)    \
    HAL_WRITE16(UART0_REG_BASE+ (UartIndex*RUART_REG_OFF), addr, value)
#define HAL_RUART_READ8(UartIndex, addr)    \
    HAL_READ8(UART0_REG_BASE+ (UartIndex*RUART_REG_OFF), addr)
#define HAL_RUART_WRITE8(UartIndex, addr, value)    \
    HAL_WRITE8(UART0_REG_BASE+ (UartIndex*RUART_REG_OFF), addr, value)

#define UART_OVSR_POOL_MIN      1000
#define UART_OVSR_POOL_MAX      2090
#define DIVISOR_RESOLUTION      10
#define JITTER_LIMIT            100
#define UART_SCLK               (200000000*5/12)

typedef struct _RUART_SPEED_SETTING_ {
    u32 BaudRate;
    u32 Ovsr;
    u32 Div;
    u32 Ovsr_adj;
#if defined(E_CUT_ROM_DOMAIN) || (!defined(CONFIG_RELEASE_BUILD_LIBRARIES))
    u8 Ovsr_adj_max_bits;  // 9: No parity, 10: with Parity
    u8 Ovsr_adj_bits;
    u16 *Ovsr_adj_map;
    u32 max_err;        // 10 ~ 100: 30
    u32 Ovsr_min;       // 10 ~ 20: 1000
    u32 Ovsr_max;       // 10 ~ 20: 2000
    u32 divisor_resolution; // 1 ~ 20: 10
    u32 jitter_lim;     // 50 ~ 100: 100
    u32 sclk;           // 83.33333 MHz
#endif    
}RUART_SPEED_SETTING, *PRUART_SPEED_SETTING;

typedef enum _UART_RXFIFO_TRIGGER_LEVEL_ {
    OneByte       = 0x00,
    FourBytes     = 0x01,
    EightBytes    = 0x10,
    FourteenBytes = 0x11
}UART_RXFIFO_TRIGGER_LEVEL, *PUART_RXFIFO_TRIGGER_LEVEL;

typedef enum _RUART0_PINMUX_SELECT_ {
    RUART0_MUX_TO_GPIOC = S0,
    RUART0_MUX_TO_GPIOE = S1,
    RUART0_MUX_TO_GPIOA = S2
}RUART0_PINMUX_SELECT, *PRUART0_PINMUX_SELECT;

typedef enum _RUART1_PINMUX_SELECT_ {
    RUART1_MUX_TO_GPIOD = S0,
    RUART1_MUX_TO_GPIOE = S1,
    RUART1_MUX_TO_GPIOB = S2
}RUART1_PINMUX_SELECT, *PRUART1_PINMUX_SELECT;

typedef enum _RUART2_PINMUX_SELECT_ {
    RUART2_MUX_TO_GPIOA = S0,
    RUART2_MUX_TO_GPIOC = S1,
    RUART2_MUX_TO_GPIOD = S2
}RUART2_PINMUX_SELECT, *PRUART2_PINMUX_SELECT;

typedef enum _RUART_FLOW_CONTROL_ {
    AUTOFLOW_DISABLE = 0,
    AUTOFLOW_ENABLE  = 1
}RUART_FLOW_CONTROL, *PRUART_FLOW_CONTROL;

typedef enum _RUART_WORD_LEN_SEL_ {
	RUART_WLS_7BITS = 0,
    RUART_WLS_8BITS = 1
}RUART_WORD_LEN_SEL, *PRUART_WORD_LEN_SEL;

typedef enum _RUART_STOP_BITS_ {
    RUART_STOP_BIT_1 = 0,
    RUART_STOP_BIT_2 = 1
}RUART_STOP_BITS, *PRUART_STOP_BITS;

typedef enum _RUART_PARITY_CONTROL_ {
	RUART_PARITY_DISABLE = 0,
	RUART_PARITY_ENABLE  = 1
}RUART_PARITY_CONTROL, *PRUART_PARITY_CONTROL;

typedef enum _RUART_PARITY_TYPE_ {
	RUART_ODD_PARITY  = 0,
	RUART_EVEN_PARITY = 1
}RUART_PARITY_TYPE, *PRUART_PARITY_TYPE;

typedef enum _RUART_STICK_PARITY_CONTROL_ {
    RUART_STICK_PARITY_DISABLE = 0,
    RUART_STICK_PARITY_ENABLE  = 1
}RUART_STICK_PARITY_CONTROL, *PRUART_STICK_PARITY_CONTROL;

typedef enum _UART_INT_ID_ {
    ModemStatus           = 0,
    TxFifoEmpty           = 1,
    ReceiverDataAvailable = 2,
    ReceivLineStatus      = 3,
    TimeoutIndication     = 6
}UART_INT_ID, *PUART_INT_ID;

typedef enum _HAL_UART_State_
{
  HAL_UART_STATE_NULL              = 0x00,    // UART hardware not been initial yet
  HAL_UART_STATE_READY             = 0x10,    // UART is initialed, ready to use
  HAL_UART_STATE_BUSY              = 0x20,    // UART hardware is busy on configuration
  HAL_UART_STATE_BUSY_TX           = 0x21,    // UART is buzy on TX
  HAL_UART_STATE_BUSY_RX           = 0x22,    // UART is busy on RX
  HAL_UART_STATE_BUSY_TX_RX        = 0x23,    // UART is busy on TX an RX
  HAL_UART_STATE_TIMEOUT           = 0x30,    // Transfer timeout
  HAL_UART_STATE_ERROR             = 0x40     // UART Error
}HAL_UART_State, *PHAL_UART_State;

typedef enum _HAL_UART_Status_
{
  HAL_UART_STATUS_OK               = 0x00,    // Transfer OK
  HAL_UART_STATUS_TIMEOUT          = 0x01,    // Transfer Timeout
  HAL_UART_STATUS_ERR_OVERRUN      = 0x02,    // RX Over run
  HAL_UART_STATUS_ERR_PARITY       = 0x04,    // Parity error
  HAL_UART_STATUS_ERR_FRAM         = 0x08,    // Framing Error
  HAL_UART_STATUS_ERR_BREAK        = 0x10,    // Break Interrupt
  HAL_UART_STATUS_ERR_PARA         = 0x20,    // Parameter error
  HAL_UART_STATUS_ERR_RXFIFO       = 0x80,    // RX FIFO error
}HAL_UART_Status, *PHAL_UART_Status;

u32
HalRuartGetDebugValueRtl8195a(
        IN VOID* Data,
        IN u32    DbgSel
        );

#if 0
u32
FindElementIndex(
        u32 Element,
        u32* Array
        );
#endif

VOID
RuartResetRxFifoRtl8195a(
        IN u8 UartIndex
        );
#if 0
VOID
RuartBusDomainEnableRtl8195a(
        IN u8 UartIndex
        );
#endif

HAL_Status
HalRuartResetRxFifoRtl8195a(
        IN VOID *Data
        );

HAL_Status
HalRuartInitRtl8195a(
        IN VOID *Data
        );

VOID
HalRuartDeInitRtl8195a(
        IN VOID *Data  ///< RUART Adapter
        );

HAL_Status
HalRuartPutCRtl8195a(
        IN VOID *Data,
        IN u8 TxData
        );

u32
HalRuartSendRtl8195a(
        IN VOID *Data,
        IN u8 *pTxData,
        IN u32 Length,
        IN u32 Timeout
        );

HAL_Status
HalRuartIntSendRtl8195a(
        IN VOID *Data,      // PHAL_RUART_ADAPTER
        IN u8 *pTxData,     // the Buffer to be send
        IN u32 Length       // the length of data to be send
        );

HAL_Status
HalRuartDmaSendRtl8195a(
        IN VOID *Data,      // PHAL_RUART_ADAPTER
        IN u8 *pTxData,     // the Buffer to be send
        IN u32 Length      // the length of data to be send
);

HAL_Status
HalRuartStopSendRtl8195a(
        IN VOID *Data      // PHAL_RUART_ADAPTER
);

HAL_Status
HalRuartGetCRtl8195a(
        IN VOID *Data,
        OUT u8  *pRxByte        
        );

u32
HalRuartRecvRtl8195a(
        IN VOID *Data,
        IN u8  *pRxData,
        IN u32 Length,
        IN u32 Timeout
        );

HAL_Status
HalRuartIntRecvRtl8195a(
        IN VOID *Data,  ///< RUART Adapter
        IN u8  *pRxData,  ///< Rx buffer
        IN u32 Length      // buffer length
        );

HAL_Status
HalRuartDmaRecvRtl8195a(
        IN VOID *Data,  ///< RUART Adapter
        IN u8  *pRxData,  ///< Rx buffer
        IN u32 Length      // buffer length
        );

HAL_Status
HalRuartStopRecvRtl8195a(
        IN VOID *Data      // PHAL_RUART_ADAPTER
);

u8
HalRuartGetIMRRtl8195a(
        IN VOID *Data
        );

_LONG_CALL_ROM_ VOID
HalRuartSetIMRRtl8195a(
        IN VOID *Data
        );

VOID
HalRuartDmaInitRtl8195a(
        IN VOID *Data
        );

VOID
HalRuartRTSCtrlRtl8195a(
        IN VOID *Data,
        IN BOOLEAN RtsCtrl
        );

VOID
HalRuartRegIrqRtl8195a(
        IN VOID *Data
        );

VOID
HalRuartIntEnableRtl8195a(
        IN VOID *Data
        );

VOID
HalRuartIntDisableRtl8195a(
        IN VOID *Data
        );

VOID
HalRuartAdapterLoadDefRtl8195a(
        IN VOID *pAdp,
        IN u8 UartIdx
);

VOID
HalRuartTxGdmaLoadDefRtl8195a(
        IN VOID *pAdp,
        IN VOID *pCfg
);

VOID
HalRuartRxGdmaLoadDefRtl8195a(
        IN VOID *pAdp,
        IN VOID *pCfg
);

_LONG_CALL_  HAL_Status HalRuartIntSendRtl8195aV02(
    IN VOID *Data,      // PHAL_RUART_ADAPTER
    IN u8 *pTxData,     // the Buffer to be send
    IN u32 Length      // the length of data to be send
);

_LONG_CALL_  HAL_Status
HalRuartIntRecvRtl8195aV02(
    IN VOID *Data,  ///< RUART Adapter
    IN u8  *pRxData,  ///< Rx buffer
    IN u32 Length      // buffer length
);

_LONG_CALL_ s32
FindElementIndex_v02(
        u32 Element,  ///< RUART Baudrate
        u32* Array,    ///< Pre-defined Baudrate Array
        u32 ElementNo
);

_LONG_CALL_ HAL_Status HalRuartInitRtl8195a_v02(IN VOID *Data);

// New added function 2015/04/20
HAL_Status
HalRuartResetTxFifoRtl8195a(
        IN VOID *Data  ///< RUART Adapter
        );

HAL_Status
HalRuartResetRxFifoRtl8195a_Patch(
    IN VOID *Data  ///< RUART Adapter
);

HAL_Status
HalRuartResetTRxFifoRtl8195a(
    IN VOID *Data  ///< RUART Adapter
);

HAL_Status 
HalRuartSetBaudRateRtl8195a(
        IN VOID *Data
        );

HAL_Status 
HalRuartEnableRtl8195a(
    IN VOID *Data
);

HAL_Status 
HalRuartDisableRtl8195a(
    IN VOID *Data
);

HAL_Status 
HalRuartFlowCtrlRtl8195a(
    IN VOID *Data
);

u32
_UartTxDmaIrqHandle_Patch(
    IN VOID *Data
);

u32
_UartRxDmaIrqHandle_Patch(
    IN VOID *Data
);

HAL_Status
HalRuartDmaSendRtl8195a_Patch(
    IN VOID *Data,
    IN u8 *pTxData,
    IN u32 Length
);

HAL_Status
HalRuartDmaRecvRtl8195a_Patch(
    IN VOID *Data,
    IN u8  *pRxData,
    IN u32 Length
);

HAL_Status
HalRuartMultiBlkDmaSendRtl8195a(
    IN VOID *Data,
    IN u8 *pTxData,
    IN u32 Length
);

HAL_Status
HalRuartMultiBlkDmaRecvRtl8195a(
    IN VOID *Data,
    IN u8  *pRxData,
    IN u32 Length
);

HAL_Status
RuartIsTimeout (
    u32 StartCount,
    u32 TimeoutCnt
);

HAL_Status
HalRuartStopRecvRtl8195a_Patch(
        IN VOID *Data
);

HAL_Status
HalRuartStopSendRtl8195a_Patch(
        IN VOID *Data
);

VOID
HalRuartEnterCriticalRtl8195a(
        IN VOID *Data
);

VOID
HalRuartExitCriticalRtl8195a(
        IN VOID *Data
);

#if CONFIG_CHIP_E_CUT
_LONG_CALL_ HAL_Status
HalRuartResetTxFifoRtl8195a_V04(
        IN VOID *Data  ///< RUART Adapter
);

_LONG_CALL_ HAL_Status
HalRuartResetRxFifoRtl8195a_V04(
    IN VOID *Data  ///< RUART Adapter
);

_LONG_CALL_ HAL_Status
HalRuartResetTRxFifoRtl8195a_V04(
    IN VOID *Data  ///< RUART Adapter
);

_LONG_CALL_ HAL_Status 
HalRuartSetBaudRateRtl8195a_V04(
    IN VOID *Data
);

_LONG_CALL_ HAL_Status 
HalRuartInitRtl8195a_V04(
    IN VOID *Data  ///< RUART Adapter
);

_LONG_CALL_ HAL_Status 
HalRuartEnableRtl8195a_V04(
    IN VOID *Data
);

_LONG_CALL_ HAL_Status 
HalRuartDisableRtl8195a_V04(
    IN VOID *Data
);

_LONG_CALL_ HAL_Status 
HalRuartFlowCtrlRtl8195a_V04(
    IN VOID *Data
);

_LONG_CALL_ u32
_UartTxDmaIrqHandle_V04(
        IN VOID *Data
);

_LONG_CALL_ u32
_UartRxDmaIrqHandle_V04(
        IN VOID *Data
);

_LONG_CALL_ HAL_Status
HalRuartDmaSendRtl8195a_V04(
    IN VOID *Data,
    IN u8 *pTxData,
    IN u32 Length
);

_LONG_CALL_ HAL_Status
HalRuartDmaRecvRtl8195a_V04(
    IN VOID *Data,
    IN u8  *pRxData,
    IN u32 Length
);

_LONG_CALL_ HAL_Status
HalRuartMultiBlkDmaSendRtl8195a_V04(
    IN VOID *Data,
    IN u8 *pTxData,
    IN u32 Length
);

_LONG_CALL_ HAL_Status
HalRuartMultiBlkDmaRecvRtl8195a_V04(
    IN VOID *Data,
    IN u8  *pRxData,
    IN u32 Length
);

_LONG_CALL_ HAL_Status
HalRuartStopRecvRtl8195a_V04(
    IN VOID *Data
);

_LONG_CALL_ HAL_Status
HalRuartStopSendRtl8195a_V04(
    IN VOID *Data
);

_LONG_CALL_ VOID
HalRuartEnterCriticalRtl8195a_V04(
    IN VOID *Data
);

_LONG_CALL_ VOID
HalRuartExitCriticalRtl8195a_V04(
    IN VOID *Data
);

#endif  // #if CONFIG_CHIP_E_CUT

#endif