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/* consolebsp.h
*
* This include file contains all console driver definations
*
* COPYRIGHT (c) 1989-2010.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifndef __CONSOLEBSP_H
#define __CONSOLEBSP_H
#include <rtems.h>
#include <rtems/ringbuf.h>
#include <bsp.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
*
* Note: The Ports are numbered 0..NUM_Z85C30_CHIPS with port 0 and 1
* being on the first chip, and ports 2 and 3 being on the
* second chip...
*/
/*
* Z85c30 configuration informaiton.
*/
#if (HAS_PMC_PSC8)
#define NUM_Z85C30_CHIPS_ON_MEZZANINE 4
#else
#define NUM_Z85C30_CHIPS_ON_MEZZANINE 0
#endif
#define NUM_Z85C30_CHIPS (2 + NUM_Z85C30_CHIPS_ON_MEZZANINE)
#define NUM_Z85C30_PORTS (NUM_Z85C30_CHIPS * 2)
typedef enum {
CONSOLE_x1_CLOCK,
CONSOLE_x16_CLOCK,
CONSOLE_x32_CLOCK,
CONSOLE_x64_CLOCK,
} CONSOLE_Clock_speed;
typedef enum {
CONSOLE_STOP_BITS_1,
CONSOLE_STOP_BITS_1_AND_A_HALF,
CONSOLE_STOP_BITS_2,
} CONSOLE_Stop_bits;
typedef enum {
CONSOLE_PARITY_NONE,
CONSOLE_PARITY_ODD,
CONSOLE_PARITY_EVEN,
} CONSOLE_Parity;
typedef enum {
CONSOLE_CHARACTER_BITS_8,
CONSOLE_CHARACTER_BITS_7,
CONSOLE_CHARACTER_BITS_6,
CONSOLE_CHARACTER_BITS_5,
} CONSOLE_Character_bits;
typedef struct {
uint32_t baud_rate; /* baud rate value */
CONSOLE_Stop_bits stop_bits;
CONSOLE_Parity parity;
CONSOLE_Character_bits read_char_bits;
CONSOLE_Character_bits write_char_bits;
#if CONSOLE_USE_INTERRUPTS
volatile Ring_buffer_t TX_Buffer; /* Transmit Buffer */
volatile bool Is_TX_active; /* Transmitting */
void *console_termios_data;
#endif
} Console_Protocol;
/*
* Structure used for chip level information.
*/
typedef struct {
uint32_t vector;
uint32_t clock_frequency;
uint16_t clock_x;
CONSOLE_Clock_speed clock_speed;
} Chip_85C30_info;
/*
* Structure used for port level informaiton.
*/
typedef struct {
volatile unsigned char *ctrl; /* Port Ctrl byte */
volatile unsigned char *data; /* Port data byte */
unsigned char port; /* Port-id / minor # */
Console_Protocol *Protocol;
Chip_85C30_info *Chip; /* Chip specific info */
} Port_85C30_info;
/*
* Console port chip configuration tables.
*/
extern Chip_85C30_info Chips_85C30 [ NUM_Z85C30_CHIPS ];
extern const Port_85C30_info Ports_85C30 [ NUM_Z85C30_PORTS ];
/*
* 85c30.c prototypes.
*/
void initialize_85c30_port(
const Port_85C30_info *Port
);
void outbyte_polled_85c30(
volatile unsigned char *csr, /* IN */
char ch
);
int inbyte_nonblocking_85c30(
const Port_85C30_info *Port
);
void Reset_85c30_chip(
volatile unsigned char *ctrl_0,
volatile unsigned char *ctrl_1
);
#if CONSOLE_USE_INTERRUPTS
rtems_isr ISR_85c30_Async(
const Port_85C30_info *Port
);
#endif
#ifdef __cplusplus
}
#endif
#endif
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