FreeCalypso > hg > fc-selenite
view src/gpf/inc/dio.h @ 72:4484ab3f6ab3
FFS interrupt voodoo: made original TMS470 approach work with gcc
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Fri, 20 Jul 2018 03:35:25 +0000 |
| parents | 1ea54a97e831 |
| children |
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/* +----------------------------------------------------------------------------- | Copyright 2004 Texas Instruments Berlin, AG | All rights reserved. | | This file is confidential and a trade secret of Texas | Instruments Berlin, AG | The receipt of or possession of this file does not convey | any rights to reproduce or disclose its contents or to | manufacture, use, or sell anything it may describe, in | whole, or in part, without the specific written consent of | Texas Instruments Berlin, AG. +----------------------------------------------------------------------------- | Purpose : General definitions of DIO driver interface +----------------------------------------------------------------------------- */ #ifndef __DIO_H__ #define __DIO_H__ /*==== INCLUDES =============================================================*/ #include "gdi.h" /*==== DEFINITIONS ==========================================================*/ /* * Device Type */ #define DIO_DATA_SER 0x00800000 /* device can transfer serial data */ #define DIO_DATA_PKT 0x00400000 /* device can transfer packet data */ #define DIO_DATA_MUX 0x00200000 /* device can start a multiplexer */ #define DIO_TYPE_ID 0x0000FF00 /* id to separate different capabilities */ #define DIO_TYPE_SER (DIO_DATA_SER | 0x00000100) /* serial device */ #define DIO_TYPE_SER_MUX (DIO_DATA_SER | DIO_DATA_MUX | 0x00000100) /* mux device */ #define DIO_TYPE_PKT (DIO_DATA_PKT | 0x00000100) /* packet device */ /* * Device Flags */ #define DIO_FLAG_SLEEP 0x80000000 /* sleep state allowed */ /* * Baud rates */ #define DIO_BAUD_921600 0x00800000 #define DIO_BAUD_812500 0x00400000 #define DIO_BAUD_460800 0x00200000 #define DIO_BAUD_406250 0x00100000 #define DIO_BAUD_230400 0x00080000 #define DIO_BAUD_203125 0x00040000 #define DIO_BAUD_115200 0x00020000 #define DIO_BAUD_57600 0x00010000 #define DIO_BAUD_38400 0x00008000 #define DIO_BAUD_33900 0x00004000 #define DIO_BAUD_28800 0x00002000 #define DIO_BAUD_19200 0x00001000 #define DIO_BAUD_14400 0x00000800 #define DIO_BAUD_9600 0x00000400 #define DIO_BAUD_7200 0x00000200 #define DIO_BAUD_4800 0x00000100 #define DIO_BAUD_2400 0x00000080 #define DIO_BAUD_1200 0x00000040 #define DIO_BAUD_600 0x00000020 #define DIO_BAUD_300 0x00000010 #define DIO_BAUD_150 0x00000008 #define DIO_BAUD_110 0x00000004 #define DIO_BAUD_75 0x00000002 #define DIO_BAUD_AUTO 0x00000001 /* automatic baud rate detection */ /* * Character framing */ #define DIO_CF_7N1 0x00000800 #define DIO_CF_7S1 0x00000400 #define DIO_CF_7M1 0x00000200 #define DIO_CF_7E1 0x00000100 #define DIO_CF_7O1 0x00000080 #define DIO_CF_7N2 0x00000040 #define DIO_CF_8N1 0x00000020 #define DIO_CF_8S1 0x00000010 #define DIO_CF_8M1 0x00000008 #define DIO_CF_8E1 0x00000004 #define DIO_CF_8O1 0x00000002 #define DIO_CF_8N2 0x00000001 /* * Types of flow control */ #define DIO_FLOW_XTR_CTS 0x00000800 /* TX= transp. XON/XOFF RX=CTS */ #define DIO_FLOW_XTR_XOFF 0x00000400 /* TX= transp. XON/XOFF RX=XON/XOFF */ #define DIO_FLOW_XTR_NO 0x00000200 /* TX= transp. XON/XOFF RX=OFF */ #define DIO_FLOW_RTS_CTS 0x00000100 /* TX=RTS RX=CTS */ #define DIO_FLOW_RTS_XOFF 0x00000080 /* TX=RTS RX=XON/XOFF */ #define DIO_FLOW_RTS_NO 0x00000040 /* TX=RTS RX=OFF */ #define DIO_FLOW_XON_CTS 0x00000020 /* TX=XON/XOFF RX=CTS */ #define DIO_FLOW_XON_XOFF 0x00000010 /* TX=XON/XOFF RX=XON/XOFF */ #define DIO_FLOW_XON_NO 0x00000008 /* TX=XON/XOFF RX=OFF */ #define DIO_FLOW_NO_CTS 0x00000004 /* TX=OFF RX=CTS */ #define DIO_FLOW_NO_XOFF 0x00000002 /* TX=OFF RX=XON/XOFF */ #define DIO_FLOW_NONE 0x00000001 /* TX=OFF RX=OFF */ /* * Serial device flags */ #define DIO_FLAG_SER_ESC 0x80000000 /* device supports esc seq detection */ /* * MUX mode */ #define DIO_MUX_I 0x00000008 /* advanced option with I frames */ #define DIO_MUX_UI 0x00000004 /* advanced option with UI frames */ #define DIO_MUX_UIH 0x00000002 /* advanced option with UIH frames */ #define DIO_MUX_BASIC 0x00000001 /* basic option */ /* * Sleep Mode */ #define DIO_SLEEP_ENABLE 0x01 /* enter sleep mode if possible */ #define DIO_SLEEP_DISABLE 0x02 /* do not enter sleep mode */ /* * Special Guard Period */ #define DIO_ESC_OFF 0x0000 /* turn escape sequence detection off */ /* * Device Mode */ #define DIO_MODE_MUX 0x00000002 /* acts as 27.010 multiplexer device */ #define DIO_MODE_SER 0x00000001 /* acts as serial device */ /* * Control Type */ #define DIO_CTRL_LINES 0x0001 /* associated structure is T_DIO_CTRL_LINES */ #define DIO_CTRL_MUX 0x0002 /* associated structure is T_DIO_CTRL_MUX */ /* * Line State definition & control structure. */ #define DIO_SA 0x80000000 /* state: read=DTR write-DSR */ #define DIO_SB 0x40000000 /* state: read=RTS write=DCD */ #define DIO_X 0x20000000 /* state: read=RTS write=CTS */ #define DIO_RING 0x10000000 /* state: ring indicator */ #define DIO_ESC 0x08000000 /* state: escape sequence detested. */ #define DIO_MUX_STOPPED 0x04000000 /* multiplexer stopped */ #define DIO_BRK 0x02000000 /* state: break received/to be sent */ #define DIO_BRKLEN 0x000000FF /* state: break signal # of characters */ /*==== TYPES ================================================================*/ /* * Device Capabilities */ typedef struct { U32 device_type; U32 device_flags; U16 mtu_control; U16 mtu_data; char const *driver_name; } T_DIO_CAP; typedef struct { U32 device_type; U32 device_flags; U16 mtu_control; U16 mtu_data; char const *driver_name; U32 baudrate_auto; U32 baudrate_fixed; U32 char_frame; U32 flow_control; U32 ser_flags; } T_DIO_CAP_SER; typedef struct { U32 device_type; U32 device_flags; U16 mtu_control; U16 mtu_data; char const *driver_name; U32 baudrate_auto; U32 baudrate_fixed; U32 char_frame; U32 flow_control; U32 ser_flags; U32 mux_mode; } T_DIO_CAP_SER_MUX; typedef struct { U32 device_type; U32 device_flags; U16 mtu_control; U16 mtu_data; char const *driver_name; } T_DIO_CAP_PKT; /* * Device Control Block */ typedef struct { U32 device_type; /*< 0: 4> device identifier with general capability information */ U8 sleep_mode; /*< 4: 1> enter sleep mode is possible or not */ U8 _align0; /*< 5: 1> alignment */ U8 _align1; /*< 6: 1> alignment */ U8 _align2; /*< 7: 1> alignment */ } T_DIO_DCB; typedef struct { U32 device_type; /*< 0: 4> device identifier with general capability information */ U8 sleep_mode; /*< 4: 1> enter sleep mode is possible or not */ U8 _align0; /*< 5: 1> alignment */ U8 _align1; /*< 6: 1> alignment */ U8 _align2; /*< 7: 1> alignment */ U32 baudrate; /*< 8: 4> user set baudrate */ U32 char_frame; /*< 12: 4> supported character framing */ U32 flow_control; /*< 16: 4> supported modes of flow control */ U8 xon; /*< 20: 1> set/reset XON for flow control */ U8 xoff; /*< 21: 1> set/reset XOFF for flow control */ U8 esc_char; /*< 22: 1> ASCII character which is used in an escape sequence */ U8 _align3; /*< 23: 1> alignment */ U16 guard_period; /*< 24: 2> duration value for escape sequence */ U8 _align4; /*< 26: 1> alignment */ U8 _align5; /*< 27: 1> alignment */ } T_DIO_DCB_SER; typedef struct { U32 device_type; /*< 0: 4> device identifier with general capability information */ U8 sleep_mode; /*< 4: 1> enter sleep mode is possible or not */ U8 _align0; /*< 5: 1> alignment */ U8 _align1; /*< 6: 1> alignment */ U8 _align2; /*< 7: 1> alignment */ U32 baudrate; /*< 8: 4> user set baudrate */ U32 char_frame; /*< 12: 4> supported character framing */ U32 flow_control; /*< 16: 4> supported modes of flow control */ U8 xon; /*< 20: 1> set/reset XON for flow control */ U8 xoff; /*< 21: 1> set/reset XOFF for flow control */ U8 esc_char; /*< 22: 1> ASCII character which is used in an escape sequence */ U8 _align3; /*< 23: 1> alignment */ U16 guard_period; /*< 24: 2> duration value for escape sequence */ U8 _align4; /*< 26: 1> alignment */ U8 _align5; /*< 27: 1> alignment */ U32 device_mode; /*< 28: 4> work mode of device */ U32 mux_mode; /*< 32: 4> supported multiplexer modes */ U16 n1; /*< 36: 2> max frame size of mux frame */ U8 n2; /*< 38: 1> max number of retransmissions */ U8 t1; /*< 39: 1> acknowledgement timer */ U8 t2; /*< 40: 1> response timer */ U8 t3; /*< 41: 1> wake up response timer */ U8 k; /*< 42: 1> windows size */ U8 _align6; /*< 43: 1> alignment */ } T_DIO_DCB_SER_MUX; typedef struct { U32 device_type; /*< 0: 4> device identifier with general capability information */ U8 sleep_mode; /*< 4: 1> enter sleep mode is possible or not */ U8 _align0; /*< 5: 1> alignment */ U8 _align1; /*< 6: 1> alignment */ U8 _align2; /*< 7: 1> alignment */ } T_DIO_DCB_PKT; /* * Data Control */ typedef struct { U16 control_type ; U16 length ; }T_DIO_CTRL ; typedef struct { U16 control_type; U16 length; U32 state; } T_DIO_CTRL_LINES; typedef struct { U16 control_type ; U16 length ; U32 state; }T_DIO_CTRL_MUX ; /* * DIO Data format. */ typedef struct { U8 _align0; /*< 0: 1> alignment */ U8 _align1; /*< 1: 1> alignment */ U16 c_data; /*< 2: 2> counter */ U8 *ptr_data; /*< 4: 4> pointer to pointer to the first byte of the data buffer segment */ } T_dio_segment; typedef struct { U16 length; /*< 0: 2> len of dio_ctrl */ U8 _align0; /*< 2: 1> alignment */ U8 c_dio_segment; /*< 3: 1> counter */ T_dio_segment *ptr_dio_segment; /*< 4: 4> pointer to Structured Element */ } T_dio_buffer; /*==== PROTOTYPES ===========================================================*/ /* +------------------------------------------------------------------------------ | Function : dio_init +------------------------------------------------------------------------------ | Description : The function initializes the interface and the drivers. | | Parameters : none | | Return : DRV_OK - Initialization successful | DRV_INITIALIZED - Interface already initialized | DRV_INITFAILURE - Initialization failed | +------------------------------------------------------------------------------ */ extern U16 dio_init(void); /* +------------------------------------------------------------------------------ | Function : dio_user_init +------------------------------------------------------------------------------ | Description : The function sets the signal callback of a DIO user. | | Parameters : user_name - DIO user name | drv_handle - unique handle for this user | signal_callback - callback function for this user | | Return : DRV_OK - Callback successfully set | DRV_INVALID_PARAMS - The specified user does not exist | DRV_INTERNAL_ERROR - Internal error | DRV_NOTCONFIGURED - DIO interface is not yet initialized. | +------------------------------------------------------------------------------ */ extern U16 dio_user_init(char const * user_name, U16 drv_handle, T_DRV_CB_FUNC signal_callback); /* +------------------------------------------------------------------------------ | Function : dio_user_exit +------------------------------------------------------------------------------ | Description : Termination of User Operation. | | Parameters : user_name - DIO user name | | Return : DRV_OK - User operation successfully terminated. | DRV_INVALID_PARAMS - User operation can not be terminated yet. | DRV_INTERNAL_ERROR - Internal error | +------------------------------------------------------------------------------ */ extern U16 dio_user_exit(char const * user_name); /* +------------------------------------------------------------------------------ | Function : dio_exit +------------------------------------------------------------------------------ | Description : Termination of the Interface. | | Parameters : none | | Return : none | +------------------------------------------------------------------------------ */ extern void dio_exit(void); /* +------------------------------------------------------------------------------ | Function : dio_set_rx_buffer +------------------------------------------------------------------------------ | Description : This function provides a receive buffer to the driver. | | Parameters : device - device number | buffer - buffer to copy received data in it | | Return : DRV_OK - Function successful | DRV_BUFFER_FULL - Buffer queue full. | DRV_INVALID_PARAMS - The specified device does not exist or | the data buffer is not big enough. | DRV_INTERNAL_ERROR - Internal driver error | DRV_NOTCONFIGURED - The device is not yet configured | +------------------------------------------------------------------------------ */ extern U16 dio_set_rx_buffer(U32 device, T_dio_buffer * buffer); /* +------------------------------------------------------------------------------ | Function : dio_read +------------------------------------------------------------------------------ | Description : This function returns a receive buffer and control information. | | Parameters : device - device number | control_info - control information from the driver | buffer - buffer with received data in it | | Return : DRV_OK - Function successful | DRV_INVALID_PARAMS - The specified device does not exist | DRV_INTERNAL_ERROR - Internal driver error | DRV_NOTCONFIGURED - The device is not yet configured | +------------------------------------------------------------------------------ */ extern U16 dio_read(U32 device, T_DIO_CTRL * control_info, T_dio_buffer ** buffer); /* +------------------------------------------------------------------------------ | Function : dio_write +------------------------------------------------------------------------------ | Description : This function provides a send buffer to the driver which | contains data to send. | | Parameters : device - device number | control_info - control information for the driver | buffer - buffer with data to send | | Return : DRV_OK - Function successful | DRV_BUFFER_FULL - Buffer queue full. | DRV_INVALID_PARAMS - The specified device does not exist or | the data buffer to big. | DRV_INTERNAL_ERROR - Internal driver error | DRV_NOTCONFIGURED - The device is not yet configured | +------------------------------------------------------------------------------ */ extern U16 dio_write(U32 device, T_DIO_CTRL * control_info, T_dio_buffer * buffer); /* +------------------------------------------------------------------------------ | Function : dio_get_tx_buffer +------------------------------------------------------------------------------ | Description : This function returns a send buffer provided via dio_write(). | | Parameters : device - device number | buffer - return sent data buffer | | Return : DRV_OK - Function successful | DRV_INVALID_PARAMS - The specified device does not exist | DRV_INTERNAL_ERROR - Internal driver error | DRV_NOTCONFIGURED - The device is not yet configured | +------------------------------------------------------------------------------ */ extern U16 dio_get_tx_buffer(U32 device, T_dio_buffer ** buffer); /* +------------------------------------------------------------------------------ | Function : dio_clear +------------------------------------------------------------------------------ | Description : This function is used to clear the hardware send buffer. | | Parameters : device - device number | | Return : DRV_OK - Function successful | DRV_INVALID_PARAMS - The specified device does not exist | DRV_INTERNAL_ERROR - Internal driver error | DRV_NOTCONFIGURED - The device is not yet configured | DRV_INPROCESS - The driver is busy clearing the buffer | +------------------------------------------------------------------------------ */ extern U16 dio_clear(U32 device); /* +------------------------------------------------------------------------------ | Function : dio_flush +------------------------------------------------------------------------------ | Description : With this function the driver is requested to inform the | user, when data of the hardware send buffer have been written | successfully. | | Parameters : device - device number | | Return : DRV_OK - Function successful | DRV_INVALID_PARAMS - The specified device does not exist | DRV_INTERNAL_ERROR - Internal driver error | DRV_NOTCONFIGURED - The device is not yet configured | DRV_INPROCESS - The driver is busy flushing the buffer | +------------------------------------------------------------------------------ */ extern U16 dio_flush(U32 device); /* +------------------------------------------------------------------------------ | Function : dio_get_capabilities +------------------------------------------------------------------------------ | Description : This function is used to retrieve the capabilities of a device. | | Parameters : device - device number | capabilities - Return: Pointer to the device capabilities | | Return : DRV_OK - Function successful | DRV_INVALID_PARAMS - The specified device does not exist | DRV_INTERNAL_ERROR - Internal driver error | +------------------------------------------------------------------------------ */ extern U16 dio_get_capabilities(U32 device, T_DIO_CAP ** capabilities); /* +------------------------------------------------------------------------------ | Function : dio_set_config +------------------------------------------------------------------------------ | Description : This function is used to configure a device. | | Parameters : device - device number | dcb - pointer to a device control block | | Return : DRV_OK - Function successful | DRV_INVALID_PARAMS - parameter invalid or out of range | DRV_INTERNAL_ERROR - Internal driver error | +------------------------------------------------------------------------------ */ extern U16 dio_set_config(U32 device, T_DIO_DCB * dcb); /* +------------------------------------------------------------------------------ | Function : dio_get_config +------------------------------------------------------------------------------ | Description : This function reads the device configuration. | | Parameters : device - device number | dcb - pointer to a device control block | | Return : DRV_OK - Function successful | DRV_INVALID_PARAMS - The specified device does not exist or | wrong Device Control Block provided. | DRV_INTERNAL_ERROR - Internal driver error | DRV_NOTCONFIGURED - The device is not yet configured | +------------------------------------------------------------------------------ */ extern U16 dio_get_config(U32 device, T_DIO_DCB * dcb); /* +------------------------------------------------------------------------------ | Function : dio_close_device +------------------------------------------------------------------------------ | Description : This function is used to close a device. | | Parameters : device - device number | | Return : DRV_OK - Function successful | DRV_INVALID_PARAMS - The specified device can not be closed yet | DRV_INTERNAL_ERROR - Internal driver error | +------------------------------------------------------------------------------ */ extern U16 dio_close_device(U32 device); #endif /* __DIO_H__ */