#include <linux/errno.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/serial.h>
#include <linux/circ_buf.h>
#include <linux/serial_reg.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/serial_core.h>
#include <linux/ioc3.h>
#include <linux/slab.h>

Data Structures
struct	ioc3_card

struct	ioc3_port

struct	port_hooks

struct	ring_entry

struct	ring

struct	ring_buffer

Macros
#define	LOGICAL_PORTS 2 /* rs232(0) and rs422(1) */

#define	PORTS_PER_CARD 2

#define	LOGICAL_PORTS_PER_CARD (PORTS_PER_CARD * LOGICAL_PORTS)

#define	MAX_CARDS 8

#define	MAX_LOGICAL_PORTS (LOGICAL_PORTS_PER_CARD * MAX_CARDS)

#define	GET_PORT_FROM_SIO_IR(_x) (_x & SIO_IR_SA) ? 0 : 1

#define	GET_PHYSICAL_PORT(_x) ((_x) >> 1)

#define	GET_LOGICAL_PORT(_x) ((_x) & 1)

#define	IS_PHYSICAL_PORT(_x) !((_x) & 1)

#define	IS_RS232(_x) !((_x) & 1)

#define	DPRINT_CONFIG(_x...) ;

#define	NOT_PROGRESS() ;

#define	MAX_CHARS 256

#define	FIFO_SIZE (MAX_CHARS-1) /* it's a uchar */

#define	DEVICE_NAME "ttySIOC"

#define	DEVICE_MAJOR 204

#define	DEVICE_MINOR 116

#define	NCS_BREAK 0x1

#define	NCS_PARITY 0x2

#define	NCS_FRAMING 0x4

#define	NCS_OVERRUN 0x8

#define	MIN_BAUD_SUPPORTED 1200

#define	MAX_BAUD_SUPPORTED 115200

#define	PROTO_RS232 0

#define	PROTO_RS422 1

#define	N_DATA_READY 0x01

#define	N_OUTPUT_LOWAT 0x02

#define	N_BREAK 0x04

#define	N_PARITY_ERROR 0x08

#define	N_FRAMING_ERROR 0x10

#define	N_OVERRUN_ERROR 0x20

#define	N_DDCD 0x40

#define	N_DCTS 0x80

#define	N_ALL_INPUT

#define	N_ALL_OUTPUT N_OUTPUT_LOWAT

#define	N_ALL_ERRORS

#define	N_ALL

#define	SER_CLK_SPEED(prediv) ((22000000 << 1) / prediv)

#define	SER_DIVISOR(x, clk) (((clk) + (x) * 8) / ((x) * 16))

#define	DIVISOR_TO_BAUD(div, clk) ((clk) / 16 / (div))

#define	LCR_MASK_BITS_CHAR

#define	LCR_MASK_STOP_BITS (UART_LCR_STOP)

#define	PENDING(_a, _p) (readl(&(_p)->vma->sio_ir) & (_a)->ic_enable)

#define	RING_BUF_SIZE 4096

#define	BUF_SIZE_BIT SBBR_L_SIZE

#define	PROD_CONS_MASK PROD_CONS_PTR_4K

#define	TOTAL_RING_BUF_SIZE (RING_BUF_SIZE * 4)

#define	TX_LOWAT_LATENCY 1000

#define	TX_LOWAT_HZ (1000000 / TX_LOWAT_LATENCY)

#define	TX_LOWAT_CHARS(baud) (baud / 10 / TX_LOWAT_HZ)

#define	INPUT_HIGH 0x01

#define	DCD_ON 0x02

#define	LOWAT_WRITTEN 0x04

#define	READ_ABORTED 0x08

#define	INPUT_ENABLE 0x10

#define	RING_ANY_VALID ((uint32_t)(RXSB_MODEM_VALID \| RXSB_DATA_VALID) * 0x01010101)

#define	ring_sc u.s.sc

#define	ring_data u.s.data

#define	ring_allsc u.all.allsc

#define	ENTRIES_PER_RING (RING_BUF_SIZE / (int) sizeof(struct ring_entry))

#define	RING(_p, _wh) &(((struct ring_buffer *)((_p)->ip_cpu_ringbuf))->_wh)

#define	MAXITER 10000000

Functions
	module_init (ioc3uart_init)

	module_exit (ioc3uart_exit)

	MODULE_AUTHOR ("Pat Gefre - Silicon Graphics Inc. (SGI) <[email protected]>")

	MODULE_DESCRIPTION ("Serial PCI driver module for SGI IOC3 card")

	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define BUF_SIZE_BIT SBBR_L_SIZE

Definition at line 117 of file ioc3_serial.c.

#define DCD_ON 0x02

Definition at line 192 of file ioc3_serial.c.

#define DEVICE_MAJOR 204

Definition at line 65 of file ioc3_serial.c.

#define DEVICE_MINOR 116

Definition at line 66 of file ioc3_serial.c.

#define DEVICE_NAME "ttySIOC"

Definition at line 64 of file ioc3_serial.c.

#define DIVISOR_TO_BAUD	(	div,
		clk
	)	((clk) / 16 / (div))

Definition at line 107 of file ioc3_serial.c.

#define DPRINT_CONFIG ( _x... ) ;

Definition at line 54 of file ioc3_serial.c.

#define ENTRIES_PER_RING (RING_BUF_SIZE / (int) sizeof(struct ring_entry))

Definition at line 281 of file ioc3_serial.c.

#define FIFO_SIZE (MAX_CHARS-1) /* it's a uchar */

Definition at line 61 of file ioc3_serial.c.

#define GET_LOGICAL_PORT ( _x ) ((_x) & 1)

Definition at line 45 of file ioc3_serial.c.

#define GET_PHYSICAL_PORT ( _x ) ((_x) >> 1)

Definition at line 44 of file ioc3_serial.c.

#define GET_PORT_FROM_SIO_IR ( _x ) (_x & SIO_IR_SA) ? 0 : 1

Definition at line 37 of file ioc3_serial.c.

#define INPUT_ENABLE 0x10

Definition at line 199 of file ioc3_serial.c.

#define INPUT_HIGH 0x01

Definition at line 187 of file ioc3_serial.c.

#define IS_PHYSICAL_PORT ( _x ) !((_x) & 1)

Definition at line 46 of file ioc3_serial.c.

#define IS_RS232 ( _x ) !((_x) & 1)

Definition at line 47 of file ioc3_serial.c.

#define LCR_MASK_BITS_CHAR

Value:

(UART_LCR_WLEN5 | UART_LCR_WLEN6 \

| UART_LCR_WLEN7 | UART_LCR_WLEN8)

Definition at line 110 of file ioc3_serial.c.

#define LCR_MASK_STOP_BITS (UART_LCR_STOP)

Definition at line 112 of file ioc3_serial.c.

#define LOGICAL_PORTS 2 /* rs232(0) and rs422(1) */

Definition at line 30 of file ioc3_serial.c.

#define LOGICAL_PORTS_PER_CARD (PORTS_PER_CARD * LOGICAL_PORTS)

Definition at line 32 of file ioc3_serial.c.

#define LOWAT_WRITTEN 0x04

Definition at line 194 of file ioc3_serial.c.

#define MAX_BAUD_SUPPORTED 115200

Definition at line 76 of file ioc3_serial.c.

#define MAX_CARDS 8

Definition at line 33 of file ioc3_serial.c.

#define MAX_CHARS 256

Definition at line 60 of file ioc3_serial.c.

#define MAX_LOGICAL_PORTS (LOGICAL_PORTS_PER_CARD * MAX_CARDS)

Definition at line 34 of file ioc3_serial.c.

#define MAXITER 10000000

Definition at line 300 of file ioc3_serial.c.

#define MIN_BAUD_SUPPORTED 1200

Definition at line 75 of file ioc3_serial.c.

#define N_ALL

Value:

(N_DATA_READY | N_OUTPUT_LOWAT | N_BREAK    \
                    | N_PARITY_ERROR | N_FRAMING_ERROR  \
                    | N_OVERRUN_ERROR | N_DDCD | N_DCTS)

Definition at line 101 of file ioc3_serial.c.

#define N_ALL_ERRORS

Value:

(N_PARITY_ERROR | N_FRAMING_ERROR \

| N_OVERRUN_ERROR)

Definition at line 98 of file ioc3_serial.c.

#define N_ALL_INPUT

Value:

(N_DATA_READY | N_BREAK            \
                    | N_PARITY_ERROR | N_FRAMING_ERROR \
                    | N_OVERRUN_ERROR | N_DDCD | N_DCTS)

Definition at line 92 of file ioc3_serial.c.

#define N_ALL_OUTPUT N_OUTPUT_LOWAT

Definition at line 96 of file ioc3_serial.c.

#define N_BREAK 0x04

Definition at line 85 of file ioc3_serial.c.

#define N_DATA_READY 0x01

Definition at line 83 of file ioc3_serial.c.

#define N_DCTS 0x80

Definition at line 90 of file ioc3_serial.c.

#define N_DDCD 0x40

Definition at line 89 of file ioc3_serial.c.

#define N_FRAMING_ERROR 0x10

Definition at line 87 of file ioc3_serial.c.

#define N_OUTPUT_LOWAT 0x02

Definition at line 84 of file ioc3_serial.c.

#define N_OVERRUN_ERROR 0x20

Definition at line 88 of file ioc3_serial.c.

#define N_PARITY_ERROR 0x08

Definition at line 86 of file ioc3_serial.c.

#define NCS_BREAK 0x1

Definition at line 69 of file ioc3_serial.c.

#define NCS_FRAMING 0x4

Definition at line 71 of file ioc3_serial.c.

#define NCS_OVERRUN 0x8

Definition at line 72 of file ioc3_serial.c.

#define NCS_PARITY 0x2

Definition at line 70 of file ioc3_serial.c.

#define NOT_PROGRESS ( ) ;

Definition at line 56 of file ioc3_serial.c.

#define PENDING	(	_a,
		_p
	)	(readl(&(_p)->vma->sio_ir) & (_a)->ic_enable)

Definition at line 114 of file ioc3_serial.c.

#define PORTS_PER_CARD 2

Definition at line 31 of file ioc3_serial.c.

#define PROD_CONS_MASK PROD_CONS_PTR_4K

Definition at line 118 of file ioc3_serial.c.

#define PROTO_RS232 0

Definition at line 79 of file ioc3_serial.c.

#define PROTO_RS422 1

Definition at line 80 of file ioc3_serial.c.

#define READ_ABORTED 0x08

Definition at line 195 of file ioc3_serial.c.

#define RING	(	_p,
		_wh
	)	&(((struct ring_buffer *)((_p)->ip_cpu_ringbuf))->_wh)

Definition at line 297 of file ioc3_serial.c.

#define ring_allsc u.all.allsc

Definition at line 278 of file ioc3_serial.c.

#define RING_ANY_VALID ((uint32_t)(RXSB_MODEM_VALID | RXSB_DATA_VALID) * 0x01010101)

Definition at line 273 of file ioc3_serial.c.

#define RING_BUF_SIZE 4096

Definition at line 116 of file ioc3_serial.c.

#define ring_data u.s.data

Definition at line 277 of file ioc3_serial.c.

#define ring_sc u.s.sc

Definition at line 276 of file ioc3_serial.c.

#define SER_CLK_SPEED ( prediv ) ((22000000 << 1) / prediv)

Definition at line 105 of file ioc3_serial.c.

#define SER_DIVISOR	(	x,
		clk
	)	(((clk) + (x) * 8) / ((x) * 16))

Definition at line 106 of file ioc3_serial.c.

#define TOTAL_RING_BUF_SIZE (RING_BUF_SIZE * 4)

Definition at line 120 of file ioc3_serial.c.

#define TX_LOWAT_CHARS ( baud ) (baud / 10 / TX_LOWAT_HZ)

Definition at line 184 of file ioc3_serial.c.

#define TX_LOWAT_HZ (1000000 / TX_LOWAT_LATENCY)

Definition at line 183 of file ioc3_serial.c.

#define TX_LOWAT_LATENCY 1000

Definition at line 182 of file ioc3_serial.c.

Function Documentation

MODULE_AUTHOR ( "Pat Gefre - Silicon Graphics Inc. (SGI) <[email protected]>" )

MODULE_DESCRIPTION ( "Serial PCI driver module for SGI IOC3 card" )

module_exit ( ioc3uart_exit )

module_init ( ioc3uart_init )

MODULE_LICENSE ( "GPL" )

Data Structures

Macros

Functions

Macro Definition Documentation

Function Documentation