#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/ioc4.h>
#include <linux/serial_core.h>
#include <linux/slab.h>

Data Structures
struct	ioc4_serialregs

struct	ioc4_uartregs

struct	ioc4_serial

struct	ioc4_control

struct	ioc4_soft

struct	ioc4_soft::ioc4_intr_type

struct	ioc4_soft::ioc4_intr_type::ioc4_intr_info

struct	ioc4_port

struct	hooks

struct	ring_entry

struct	ring

struct	ring_buffer

Macros
#define	IOC4_NUM_SERIAL_PORTS 4 /* max ports per card */

#define	IOC4_NUM_CARDS 8 /* max cards per partition */

#define	GET_SIO_IR(_n)

#define	GET_OTHER_IR(_n)

#define	IOC4_PCI_ERR_ADDR_L 0x000 /* Low Error Address */

#define	IOC4_PCI_ERR_ADDR_VLD (0x1 << 0)

#define	IOC4_PCI_ERR_ADDR_MST_ID_MSK (0xf << 1)

#define	IOC4_PCI_ERR_ADDR_MST_NUM_MSK (0xe << 1)

#define	IOC4_PCI_ERR_ADDR_MST_TYP_MSK (0x1 << 1)

#define	IOC4_PCI_ERR_ADDR_MUL_ERR (0x1 << 5)

#define	IOC4_PCI_ERR_ADDR_ADDR_MSK (0x3ffffff << 6)

#define	IOC4_SIO_INTR_TYPE 0

#define	IOC4_OTHER_INTR_TYPE 1

#define	IOC4_NUM_INTR_TYPES 2

#define	IOC4_SIO_IR_S0_TX_MT 0x00000001 /* Serial port 0 TX empty */

#define	IOC4_SIO_IR_S0_RX_FULL 0x00000002 /* Port 0 RX buf full */

#define	IOC4_SIO_IR_S0_RX_HIGH 0x00000004 /* Port 0 RX hiwat */

#define	IOC4_SIO_IR_S0_RX_TIMER 0x00000008 /* Port 0 RX timeout */

#define	IOC4_SIO_IR_S0_DELTA_DCD 0x00000010 /* Port 0 delta DCD */

#define	IOC4_SIO_IR_S0_DELTA_CTS 0x00000020 /* Port 0 delta CTS */

#define	IOC4_SIO_IR_S0_INT 0x00000040 /* Port 0 pass-thru intr */

#define	IOC4_SIO_IR_S0_TX_EXPLICIT 0x00000080 /* Port 0 explicit TX thru */

#define	IOC4_SIO_IR_S1_TX_MT 0x00000100 /* Serial port 1 */

#define	IOC4_SIO_IR_S1_RX_FULL 0x00000200 /* */

#define	IOC4_SIO_IR_S1_RX_HIGH 0x00000400 /* */

#define	IOC4_SIO_IR_S1_RX_TIMER 0x00000800 /* */

#define	IOC4_SIO_IR_S1_DELTA_DCD 0x00001000 /* */

#define	IOC4_SIO_IR_S1_DELTA_CTS 0x00002000 /* */

#define	IOC4_SIO_IR_S1_INT 0x00004000 /* */

#define	IOC4_SIO_IR_S1_TX_EXPLICIT 0x00008000 /* */

#define	IOC4_SIO_IR_S2_TX_MT 0x00010000 /* Serial port 2 */

#define	IOC4_SIO_IR_S2_RX_FULL 0x00020000 /* */

#define	IOC4_SIO_IR_S2_RX_HIGH 0x00040000 /* */

#define	IOC4_SIO_IR_S2_RX_TIMER 0x00080000 /* */

#define	IOC4_SIO_IR_S2_DELTA_DCD 0x00100000 /* */

#define	IOC4_SIO_IR_S2_DELTA_CTS 0x00200000 /* */

#define	IOC4_SIO_IR_S2_INT 0x00400000 /* */

#define	IOC4_SIO_IR_S2_TX_EXPLICIT 0x00800000 /* */

#define	IOC4_SIO_IR_S3_TX_MT 0x01000000 /* Serial port 3 */

#define	IOC4_SIO_IR_S3_RX_FULL 0x02000000 /* */

#define	IOC4_SIO_IR_S3_RX_HIGH 0x04000000 /* */

#define	IOC4_SIO_IR_S3_RX_TIMER 0x08000000 /* */

#define	IOC4_SIO_IR_S3_DELTA_DCD 0x10000000 /* */

#define	IOC4_SIO_IR_S3_DELTA_CTS 0x20000000 /* */

#define	IOC4_SIO_IR_S3_INT 0x40000000 /* */

#define	IOC4_SIO_IR_S3_TX_EXPLICIT 0x80000000 /* */

#define	IOC4_SIO_IR_S0

#define	IOC4_SIO_IR_S1

#define	IOC4_SIO_IR_S2

#define	IOC4_SIO_IR_S3

#define	IOC4_OTHER_IR_ATA_INT 0x00000001 /* ATAPI intr pass-thru */

#define	IOC4_OTHER_IR_ATA_MEMERR 0x00000002 /* ATAPI DMA PCI error */

#define	IOC4_OTHER_IR_S0_MEMERR 0x00000004 /* Port 0 PCI error */

#define	IOC4_OTHER_IR_S1_MEMERR 0x00000008 /* Port 1 PCI error */

#define	IOC4_OTHER_IR_S2_MEMERR 0x00000010 /* Port 2 PCI error */

#define	IOC4_OTHER_IR_S3_MEMERR 0x00000020 /* Port 3 PCI error */

#define	IOC4_OTHER_IR_KBD_INT 0x00000040 /* Keyboard/mouse */

#define	IOC4_OTHER_IR_RESERVED 0x007fff80 /* Reserved */

#define	IOC4_OTHER_IR_RT_INT 0x00800000 /* INT_OUT section output */

#define	IOC4_OTHER_IR_GEN_INT 0xff000000 /* Generic pins */

#define	IOC4_OTHER_IR_SER_MEMERR

#define	IOC4_SIO_CR_CMD_PULSE_SHIFT 0 /* byte bus strobe shift */

#define	IOC4_SIO_CR_ARB_DIAG_TX0 0x00000000

#define	IOC4_SIO_CR_ARB_DIAG_RX0 0x00000010

#define	IOC4_SIO_CR_ARB_DIAG_TX1 0x00000020

#define	IOC4_SIO_CR_ARB_DIAG_RX1 0x00000030

#define	IOC4_SIO_CR_ARB_DIAG_TX2 0x00000040

#define	IOC4_SIO_CR_ARB_DIAG_RX2 0x00000050

#define	IOC4_SIO_CR_ARB_DIAG_TX3 0x00000060

#define	IOC4_SIO_CR_ARB_DIAG_RX3 0x00000070

#define	IOC4_SIO_CR_SIO_DIAG_IDLE

#define	IOC4_GPCR_UART0_MODESEL

#define	IOC4_GPCR_UART1_MODESEL

#define	IOC4_GPCR_UART2_MODESEL

#define	IOC4_GPCR_UART3_MODESEL

#define	IOC4_GPPR_UART0_MODESEL_PIN

#define	IOC4_GPPR_UART1_MODESEL_PIN

#define	IOC4_GPPR_UART2_MODESEL_PIN

#define	IOC4_GPPR_UART3_MODESEL_PIN

#define	IOC4_RXSB_OVERRUN 0x01 /* Char(s) lost */

#define	IOC4_RXSB_PAR_ERR 0x02 /* Parity error */

#define	IOC4_RXSB_FRAME_ERR 0x04 /* Framing error */

#define	IOC4_RXSB_BREAK 0x08 /* Break character */

#define	IOC4_RXSB_CTS 0x10 /* State of CTS */

#define	IOC4_RXSB_DCD 0x20 /* State of DCD */

#define	IOC4_RXSB_MODEM_VALID 0x40 /* DCD, CTS, and OVERRUN are valid */

#define	IOC4_RXSB_DATA_VALID

#define	IOC4_TXCB_INT_WHEN_DONE 0x20 /* Interrupt after this byte is sent */

#define	IOC4_TXCB_INVALID 0x00 /* Byte is invalid */

#define	IOC4_TXCB_VALID 0x40 /* Byte is valid */

#define	IOC4_TXCB_MCR 0x80 /* Data<7:0> to modem control reg */

#define	IOC4_TXCB_DELAY 0xc0 /* Delay data<7:0> mSec */

#define	IOC4_SBBR_L_SIZE 0x00000001 /* 0 == 1KB rings, 1 == 4KB rings */

#define	IOC4_SSCR_RX_THRESHOLD 0x000001ff /* Hiwater mark */

#define	IOC4_SSCR_TX_TIMER_BUSY 0x00010000 /* TX timer in progress */

#define	IOC4_SSCR_HFC_EN 0x00020000 /* Hardware flow control enabled */

#define	IOC4_SSCR_RX_RING_DCD 0x00040000 /* Post RX record on delta-DCD */

#define	IOC4_SSCR_RX_RING_CTS 0x00080000 /* Post RX record on delta-CTS */

#define	IOC4_SSCR_DIAG 0x00200000 /* Bypass clock divider for sim */

#define	IOC4_SSCR_RX_DRAIN 0x08000000 /* Drain RX buffer to memory */

#define	IOC4_SSCR_DMA_EN 0x10000000 /* Enable ring buffer DMA */

#define	IOC4_SSCR_DMA_PAUSE 0x20000000 /* Pause DMA */

#define	IOC4_SSCR_PAUSE_STATE 0x40000000 /* Sets when PAUSE takes effect */

#define	IOC4_SSCR_RESET 0x80000000 /* Reset DMA channels */

#define	IOC4_PROD_CONS_PTR_4K 0x00000ff8 /* For 4K buffers */

#define	IOC4_PROD_CONS_PTR_1K 0x000003f8 /* For 1K buffers */

#define	IOC4_PROD_CONS_PTR_OFF 3

#define	IOC4_SRCIR_ARM 0x80000000 /* Arm RX timer */

#define	IOC4_SHADOW_DR 0x00000001 /* Data ready */

#define	IOC4_SHADOW_OE 0x00000002 /* Overrun error */

#define	IOC4_SHADOW_PE 0x00000004 /* Parity error */

#define	IOC4_SHADOW_FE 0x00000008 /* Framing error */

#define	IOC4_SHADOW_BI 0x00000010 /* Break interrupt */

#define	IOC4_SHADOW_THRE 0x00000020 /* Xmit holding register empty */

#define	IOC4_SHADOW_TEMT 0x00000040 /* Xmit shift register empty */

#define	IOC4_SHADOW_RFCE 0x00000080 /* Char in RX fifo has an error */

#define	IOC4_SHADOW_DCTS 0x00010000 /* Delta clear to send */

#define	IOC4_SHADOW_DDCD 0x00080000 /* Delta data carrier detect */

#define	IOC4_SHADOW_CTS 0x00100000 /* Clear to send */

#define	IOC4_SHADOW_DCD 0x00800000 /* Data carrier detect */

#define	IOC4_SHADOW_DTR 0x01000000 /* Data terminal ready */

#define	IOC4_SHADOW_RTS 0x02000000 /* Request to send */

#define	IOC4_SHADOW_OUT1 0x04000000 /* 16550 OUT1 bit */

#define	IOC4_SHADOW_OUT2 0x08000000 /* 16550 OUT2 bit */

#define	IOC4_SHADOW_LOOP 0x10000000 /* Loopback enabled */

#define	IOC4_SRTR_CNT 0x00000fff /* Reload value for RX timer */

#define	IOC4_SRTR_CNT_VAL 0x0fff0000 /* Current value of RX timer */

#define	IOC4_SRTR_CNT_VAL_SHIFT 16

#define	IOC4_SRTR_HZ 16000 /* SRTR clock frequency */

#define	i4u_dll u1.dll

#define	i4u_ier u2.ier

#define	i4u_dlm u2.dlm

#define	i4u_fcr u3.fcr

#define	IOC4_SER_XIN_CLK_66 66666667

#define	IOC4_SER_XIN_CLK_33 33333333

#define	IOC4_W_IES 0

#define	IOC4_W_IEC 1

#define	DPRINT_CONFIG(_x...) ;

#define	WAKEUP_CHARS 256

#define	IOC4_MAX_CHARS 256

#define	IOC4_FIFO_CHARS 255

#define	DEVICE_NAME_RS232 "ttyIOC"

#define	DEVICE_NAME_RS422 "ttyAIOC"

#define	DEVICE_MAJOR 204

#define	DEVICE_MINOR_RS232 50

#define	DEVICE_MINOR_RS422 84

#define	IOC4_SERIAL_OFFSET 0x300

#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 3

#define	PROTO_RS422 7

#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 (N_PARITY_ERROR \| N_FRAMING_ERROR \| N_OVERRUN_ERROR)

#define	N_ALL

#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(_p) (readl(&(_p)->ip_mem->sio_ir.raw) & _p->ip_ienb)

#define	READ_SIO_IR(_p) readl(&(_p)->ip_mem->sio_ir.raw)

#define	RING_BUF_SIZE 4096

#define	IOC4_BUF_SIZE_BIT IOC4_SBBR_L_SIZE

#define	PROD_CONS_MASK IOC4_PROD_CONS_PTR_4K

#define	TOTAL_RING_BUF_SIZE (RING_BUF_SIZE * 4)

#define	UART_PORT_MIN 0

#define	UART_PORT_RS232 UART_PORT_MIN

#define	UART_PORT_RS422 1

#define	UART_PORT_COUNT 2 /* one for each mode */

#define	MAX_IOC4_INTR_ENTS (8 * sizeof(uint32_t))

#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	PORT_ACTIVE 0x10

#define	PORT_INACTIVE 0 /* This is the value when "off" */

#define	RING_ANY_VALID ((uint32_t)(IOC4_RXSB_MODEM_VALID \| IOC4_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

Typedefs
typedef void	ioc4_intr_func_f (void *, uint32_t)

typedef ioc4_intr_func_f *	ioc4_intr_func_t

Functions
int	ioc4_serial_attach_one (struct ioc4_driver_data *idd)

	late_initcall (ioc4_serial_init)

	module_exit (ioc4_serial_exit)

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

	MODULE_DESCRIPTION ("Serial PCI driver module for SGI IOC4 Base-IO Card")

	MODULE_LICENSE ("GPL")

Variables
struct ioc4_serial	ioc4_serial

Macro Definition Documentation

#define DCD_ON 0x02

Definition at line 502 of file ioc4_serial.c.

#define DEVICE_MAJOR 204

Definition at line 319 of file ioc4_serial.c.

#define DEVICE_MINOR_RS232 50

Definition at line 320 of file ioc4_serial.c.

#define DEVICE_MINOR_RS422 84

Definition at line 321 of file ioc4_serial.c.

#define DEVICE_NAME_RS232 "ttyIOC"

Definition at line 317 of file ioc4_serial.c.

#define DEVICE_NAME_RS422 "ttyAIOC"

Definition at line 318 of file ioc4_serial.c.

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

Definition at line 364 of file ioc4_serial.c.

#define DPRINT_CONFIG ( _x... ) ;

Definition at line 306 of file ioc4_serial.c.

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

Definition at line 603 of file ioc4_serial.c.

#define GET_OTHER_IR ( _n )

Value:

(_n == 0) ? (IOC4_OTHER_IR_S0_MEMERR) : \
                (_n == 1) ? (IOC4_OTHER_IR_S1_MEMERR) : \
                (_n == 2) ? (IOC4_OTHER_IR_S2_MEMERR) : \
                (IOC4_OTHER_IR_S3_MEMERR)

Definition at line 39 of file ioc4_serial.c.

#define GET_SIO_IR ( _n )

Value:

(_n == 0) ? (IOC4_SIO_IR_S0) : \
                (_n == 1) ? (IOC4_SIO_IR_S1) : \
                (_n == 2) ? (IOC4_SIO_IR_S2) : \
                (IOC4_SIO_IR_S3)

Definition at line 34 of file ioc4_serial.c.

#define i4u_dll u1.dll

Definition at line 270 of file ioc4_serial.c.

#define i4u_dlm u2.dlm

Definition at line 272 of file ioc4_serial.c.

#define i4u_fcr u3.fcr

Definition at line 273 of file ioc4_serial.c.

#define i4u_ier u2.ier

Definition at line 271 of file ioc4_serial.c.

#define INPUT_HIGH 0x01

Definition at line 501 of file ioc4_serial.c.

#define IOC4_BUF_SIZE_BIT IOC4_SBBR_L_SIZE

Definition at line 381 of file ioc4_serial.c.

#define IOC4_FIFO_CHARS 255

Definition at line 314 of file ioc4_serial.c.

#define IOC4_GPCR_UART0_MODESEL

Value:

0x10 /* Pin is output to port 0

mode sel */

Definition at line 160 of file ioc4_serial.c.

#define IOC4_GPCR_UART1_MODESEL

Value:

0x20 /* Pin is output to port 1

mode sel */

Definition at line 161 of file ioc4_serial.c.

#define IOC4_GPCR_UART2_MODESEL

Value:

0x40 /* Pin is output to port 2

mode sel */

Definition at line 162 of file ioc4_serial.c.

#define IOC4_GPCR_UART3_MODESEL

Value:

0x80 /* Pin is output to port 3

mode sel */

Definition at line 163 of file ioc4_serial.c.

#define IOC4_GPPR_UART0_MODESEL_PIN

Value:

4 /* GIO pin controlling

uart 0 mode select */

Definition at line 165 of file ioc4_serial.c.

#define IOC4_GPPR_UART1_MODESEL_PIN

Value:

5 /* GIO pin controlling

uart 1 mode select */

Definition at line 166 of file ioc4_serial.c.

#define IOC4_GPPR_UART2_MODESEL_PIN

Value:

6 /* GIO pin controlling

uart 2 mode select */

Definition at line 167 of file ioc4_serial.c.

#define IOC4_GPPR_UART3_MODESEL_PIN

Value:

7 /* GIO pin controlling

uart 3 mode select */

Definition at line 168 of file ioc4_serial.c.

#define IOC4_MAX_CHARS 256

Definition at line 313 of file ioc4_serial.c.

#define IOC4_NUM_CARDS 8 /* max cards per partition */

Definition at line 32 of file ioc4_serial.c.

#define IOC4_NUM_INTR_TYPES 2

Definition at line 63 of file ioc4_serial.c.

#define IOC4_NUM_SERIAL_PORTS 4 /* max ports per card */

Definition at line 31 of file ioc4_serial.c.

#define IOC4_OTHER_INTR_TYPE 1

Definition at line 62 of file ioc4_serial.c.

#define IOC4_OTHER_IR_ATA_INT 0x00000001 /* ATAPI intr pass-thru */

Definition at line 134 of file ioc4_serial.c.

#define IOC4_OTHER_IR_ATA_MEMERR 0x00000002 /* ATAPI DMA PCI error */

Definition at line 135 of file ioc4_serial.c.

#define IOC4_OTHER_IR_GEN_INT 0xff000000 /* Generic pins */

Definition at line 143 of file ioc4_serial.c.

#define IOC4_OTHER_IR_KBD_INT 0x00000040 /* Keyboard/mouse */

Definition at line 140 of file ioc4_serial.c.

#define IOC4_OTHER_IR_RESERVED 0x007fff80 /* Reserved */

Definition at line 141 of file ioc4_serial.c.

#define IOC4_OTHER_IR_RT_INT 0x00800000 /* INT_OUT section output */

Definition at line 142 of file ioc4_serial.c.

#define IOC4_OTHER_IR_S0_MEMERR 0x00000004 /* Port 0 PCI error */

Definition at line 136 of file ioc4_serial.c.

#define IOC4_OTHER_IR_S1_MEMERR 0x00000008 /* Port 1 PCI error */

Definition at line 137 of file ioc4_serial.c.

#define IOC4_OTHER_IR_S2_MEMERR 0x00000010 /* Port 2 PCI error */

Definition at line 138 of file ioc4_serial.c.

#define IOC4_OTHER_IR_S3_MEMERR 0x00000020 /* Port 3 PCI error */

Definition at line 139 of file ioc4_serial.c.

#define IOC4_OTHER_IR_SER_MEMERR

Value:

(IOC4_OTHER_IR_S0_MEMERR | IOC4_OTHER_IR_S1_MEMERR | \

IOC4_OTHER_IR_S2_MEMERR | IOC4_OTHER_IR_S3_MEMERR)

Definition at line 145 of file ioc4_serial.c.

#define IOC4_PCI_ERR_ADDR_ADDR_MSK (0x3ffffff << 6)

Definition at line 58 of file ioc4_serial.c.

#define IOC4_PCI_ERR_ADDR_L 0x000 /* Low Error Address */

Definition at line 52 of file ioc4_serial.c.

#define IOC4_PCI_ERR_ADDR_MST_ID_MSK (0xf << 1)

Definition at line 54 of file ioc4_serial.c.

#define IOC4_PCI_ERR_ADDR_MST_NUM_MSK (0xe << 1)

Definition at line 55 of file ioc4_serial.c.

#define IOC4_PCI_ERR_ADDR_MST_TYP_MSK (0x1 << 1)

Definition at line 56 of file ioc4_serial.c.

#define IOC4_PCI_ERR_ADDR_MUL_ERR (0x1 << 5)

Definition at line 57 of file ioc4_serial.c.

#define IOC4_PCI_ERR_ADDR_VLD (0x1 << 0)

Definition at line 53 of file ioc4_serial.c.

#define IOC4_PROD_CONS_PTR_1K 0x000003f8 /* For 1K buffers */

Definition at line 205 of file ioc4_serial.c.

#define IOC4_PROD_CONS_PTR_4K 0x00000ff8 /* For 4K buffers */

Definition at line 204 of file ioc4_serial.c.

#define IOC4_PROD_CONS_PTR_OFF 3

Definition at line 206 of file ioc4_serial.c.

#define IOC4_RXSB_BREAK 0x08 /* Break character */

Definition at line 174 of file ioc4_serial.c.

#define IOC4_RXSB_CTS 0x10 /* State of CTS */

Definition at line 175 of file ioc4_serial.c.

#define IOC4_RXSB_DATA_VALID

Value:

0x80 /* Data byte, FRAME_ERR PAR_ERR

* & BREAK valid */

Definition at line 178 of file ioc4_serial.c.

#define IOC4_RXSB_DCD 0x20 /* State of DCD */

Definition at line 176 of file ioc4_serial.c.

#define IOC4_RXSB_FRAME_ERR 0x04 /* Framing error */

Definition at line 173 of file ioc4_serial.c.

#define IOC4_RXSB_MODEM_VALID 0x40 /* DCD, CTS, and OVERRUN are valid */

Definition at line 177 of file ioc4_serial.c.

#define IOC4_RXSB_OVERRUN 0x01 /* Char(s) lost */

Definition at line 171 of file ioc4_serial.c.

#define IOC4_RXSB_PAR_ERR 0x02 /* Parity error */

Definition at line 172 of file ioc4_serial.c.

#define IOC4_SBBR_L_SIZE 0x00000001 /* 0 == 1KB rings, 1 == 4KB rings */

Definition at line 188 of file ioc4_serial.c.

#define IOC4_SER_XIN_CLK_33 33333333

Definition at line 294 of file ioc4_serial.c.

#define IOC4_SER_XIN_CLK_66 66666667

Definition at line 293 of file ioc4_serial.c.

#define IOC4_SERIAL_OFFSET 0x300

Definition at line 325 of file ioc4_serial.c.

#define IOC4_SHADOW_BI 0x00000010 /* Break interrupt */

Definition at line 216 of file ioc4_serial.c.

#define IOC4_SHADOW_CTS 0x00100000 /* Clear to send */

Definition at line 222 of file ioc4_serial.c.

#define IOC4_SHADOW_DCD 0x00800000 /* Data carrier detect */

Definition at line 223 of file ioc4_serial.c.

#define IOC4_SHADOW_DCTS 0x00010000 /* Delta clear to send */

Definition at line 220 of file ioc4_serial.c.

#define IOC4_SHADOW_DDCD 0x00080000 /* Delta data carrier detect */

Definition at line 221 of file ioc4_serial.c.

#define IOC4_SHADOW_DR 0x00000001 /* Data ready */

Definition at line 212 of file ioc4_serial.c.

#define IOC4_SHADOW_DTR 0x01000000 /* Data terminal ready */

Definition at line 224 of file ioc4_serial.c.

#define IOC4_SHADOW_FE 0x00000008 /* Framing error */

Definition at line 215 of file ioc4_serial.c.

#define IOC4_SHADOW_LOOP 0x10000000 /* Loopback enabled */

Definition at line 228 of file ioc4_serial.c.

#define IOC4_SHADOW_OE 0x00000002 /* Overrun error */

Definition at line 213 of file ioc4_serial.c.

#define IOC4_SHADOW_OUT1 0x04000000 /* 16550 OUT1 bit */

Definition at line 226 of file ioc4_serial.c.

#define IOC4_SHADOW_OUT2 0x08000000 /* 16550 OUT2 bit */

Definition at line 227 of file ioc4_serial.c.

#define IOC4_SHADOW_PE 0x00000004 /* Parity error */

Definition at line 214 of file ioc4_serial.c.

#define IOC4_SHADOW_RFCE 0x00000080 /* Char in RX fifo has an error */

Definition at line 219 of file ioc4_serial.c.

#define IOC4_SHADOW_RTS 0x02000000 /* Request to send */

Definition at line 225 of file ioc4_serial.c.

#define IOC4_SHADOW_TEMT 0x00000040 /* Xmit shift register empty */

Definition at line 218 of file ioc4_serial.c.

#define IOC4_SHADOW_THRE 0x00000020 /* Xmit holding register empty */

Definition at line 217 of file ioc4_serial.c.

#define IOC4_SIO_CR_ARB_DIAG_RX0 0x00000010

Definition at line 151 of file ioc4_serial.c.

#define IOC4_SIO_CR_ARB_DIAG_RX1 0x00000030

Definition at line 153 of file ioc4_serial.c.

#define IOC4_SIO_CR_ARB_DIAG_RX2 0x00000050

Definition at line 155 of file ioc4_serial.c.

#define IOC4_SIO_CR_ARB_DIAG_RX3 0x00000070

Definition at line 157 of file ioc4_serial.c.

#define IOC4_SIO_CR_ARB_DIAG_TX0 0x00000000

Definition at line 150 of file ioc4_serial.c.

#define IOC4_SIO_CR_ARB_DIAG_TX1 0x00000020

Definition at line 152 of file ioc4_serial.c.

#define IOC4_SIO_CR_ARB_DIAG_TX2 0x00000040

Definition at line 154 of file ioc4_serial.c.

#define IOC4_SIO_CR_ARB_DIAG_TX3 0x00000060

Definition at line 156 of file ioc4_serial.c.

#define IOC4_SIO_CR_CMD_PULSE_SHIFT 0 /* byte bus strobe shift */

Definition at line 149 of file ioc4_serial.c.

#define IOC4_SIO_CR_SIO_DIAG_IDLE

Value:

0x00000080 /* 0 -> active request among

serial ports (ro) */

Definition at line 158 of file ioc4_serial.c.

#define IOC4_SIO_INTR_TYPE 0

Definition at line 61 of file ioc4_serial.c.

#define IOC4_SIO_IR_S0

Value:

(IOC4_SIO_IR_S0_TX_MT | \
                 IOC4_SIO_IR_S0_RX_FULL | \
                 IOC4_SIO_IR_S0_RX_HIGH | \
                 IOC4_SIO_IR_S0_RX_TIMER | \
                 IOC4_SIO_IR_S0_DELTA_DCD | \
                 IOC4_SIO_IR_S0_DELTA_CTS | \
                 IOC4_SIO_IR_S0_INT | \
                 IOC4_SIO_IR_S0_TX_EXPLICIT)

Definition at line 100 of file ioc4_serial.c.

#define IOC4_SIO_IR_S0_DELTA_CTS 0x00000020 /* Port 0 delta CTS */

Definition at line 71 of file ioc4_serial.c.

#define IOC4_SIO_IR_S0_DELTA_DCD 0x00000010 /* Port 0 delta DCD */

Definition at line 70 of file ioc4_serial.c.

#define IOC4_SIO_IR_S0_INT 0x00000040 /* Port 0 pass-thru intr */

Definition at line 72 of file ioc4_serial.c.

#define IOC4_SIO_IR_S0_RX_FULL 0x00000002 /* Port 0 RX buf full */

Definition at line 67 of file ioc4_serial.c.

#define IOC4_SIO_IR_S0_RX_HIGH 0x00000004 /* Port 0 RX hiwat */

Definition at line 68 of file ioc4_serial.c.

#define IOC4_SIO_IR_S0_RX_TIMER 0x00000008 /* Port 0 RX timeout */

Definition at line 69 of file ioc4_serial.c.

#define IOC4_SIO_IR_S0_TX_EXPLICIT 0x00000080 /* Port 0 explicit TX thru */

Definition at line 73 of file ioc4_serial.c.

#define IOC4_SIO_IR_S0_TX_MT 0x00000001 /* Serial port 0 TX empty */

Definition at line 66 of file ioc4_serial.c.

#define IOC4_SIO_IR_S1

Value:

(IOC4_SIO_IR_S1_TX_MT | \
                 IOC4_SIO_IR_S1_RX_FULL | \
                 IOC4_SIO_IR_S1_RX_HIGH | \
                 IOC4_SIO_IR_S1_RX_TIMER | \
                 IOC4_SIO_IR_S1_DELTA_DCD | \
                 IOC4_SIO_IR_S1_DELTA_CTS | \
                 IOC4_SIO_IR_S1_INT | \
                 IOC4_SIO_IR_S1_TX_EXPLICIT)

Definition at line 108 of file ioc4_serial.c.

#define IOC4_SIO_IR_S1_DELTA_CTS 0x00002000 /* */

Definition at line 79 of file ioc4_serial.c.

#define IOC4_SIO_IR_S1_DELTA_DCD 0x00001000 /* */

Definition at line 78 of file ioc4_serial.c.

#define IOC4_SIO_IR_S1_INT 0x00004000 /* */

Definition at line 80 of file ioc4_serial.c.

#define IOC4_SIO_IR_S1_RX_FULL 0x00000200 /* */

Definition at line 75 of file ioc4_serial.c.

#define IOC4_SIO_IR_S1_RX_HIGH 0x00000400 /* */

Definition at line 76 of file ioc4_serial.c.

#define IOC4_SIO_IR_S1_RX_TIMER 0x00000800 /* */

Definition at line 77 of file ioc4_serial.c.

#define IOC4_SIO_IR_S1_TX_EXPLICIT 0x00008000 /* */

Definition at line 81 of file ioc4_serial.c.

#define IOC4_SIO_IR_S1_TX_MT 0x00000100 /* Serial port 1 */

Definition at line 74 of file ioc4_serial.c.

#define IOC4_SIO_IR_S2

Value:

(IOC4_SIO_IR_S2_TX_MT | \
                 IOC4_SIO_IR_S2_RX_FULL | \
                 IOC4_SIO_IR_S2_RX_HIGH | \
                 IOC4_SIO_IR_S2_RX_TIMER | \
                 IOC4_SIO_IR_S2_DELTA_DCD | \
                 IOC4_SIO_IR_S2_DELTA_CTS | \
                 IOC4_SIO_IR_S2_INT | \
                 IOC4_SIO_IR_S2_TX_EXPLICIT)

Definition at line 116 of file ioc4_serial.c.

#define IOC4_SIO_IR_S2_DELTA_CTS 0x00200000 /* */

Definition at line 87 of file ioc4_serial.c.

#define IOC4_SIO_IR_S2_DELTA_DCD 0x00100000 /* */

Definition at line 86 of file ioc4_serial.c.

#define IOC4_SIO_IR_S2_INT 0x00400000 /* */

Definition at line 88 of file ioc4_serial.c.

#define IOC4_SIO_IR_S2_RX_FULL 0x00020000 /* */

Definition at line 83 of file ioc4_serial.c.

#define IOC4_SIO_IR_S2_RX_HIGH 0x00040000 /* */

Definition at line 84 of file ioc4_serial.c.

#define IOC4_SIO_IR_S2_RX_TIMER 0x00080000 /* */

Definition at line 85 of file ioc4_serial.c.

#define IOC4_SIO_IR_S2_TX_EXPLICIT 0x00800000 /* */

Definition at line 89 of file ioc4_serial.c.

#define IOC4_SIO_IR_S2_TX_MT 0x00010000 /* Serial port 2 */

Definition at line 82 of file ioc4_serial.c.

#define IOC4_SIO_IR_S3

Value:

(IOC4_SIO_IR_S3_TX_MT | \
                 IOC4_SIO_IR_S3_RX_FULL | \
                 IOC4_SIO_IR_S3_RX_HIGH | \
                 IOC4_SIO_IR_S3_RX_TIMER | \
                 IOC4_SIO_IR_S3_DELTA_DCD | \
                 IOC4_SIO_IR_S3_DELTA_CTS | \
                 IOC4_SIO_IR_S3_INT | \
                 IOC4_SIO_IR_S3_TX_EXPLICIT)

Definition at line 124 of file ioc4_serial.c.

#define IOC4_SIO_IR_S3_DELTA_CTS 0x20000000 /* */

Definition at line 95 of file ioc4_serial.c.

#define IOC4_SIO_IR_S3_DELTA_DCD 0x10000000 /* */

Definition at line 94 of file ioc4_serial.c.

#define IOC4_SIO_IR_S3_INT 0x40000000 /* */

Definition at line 96 of file ioc4_serial.c.

#define IOC4_SIO_IR_S3_RX_FULL 0x02000000 /* */

Definition at line 91 of file ioc4_serial.c.

#define IOC4_SIO_IR_S3_RX_HIGH 0x04000000 /* */

Definition at line 92 of file ioc4_serial.c.

#define IOC4_SIO_IR_S3_RX_TIMER 0x08000000 /* */

Definition at line 93 of file ioc4_serial.c.

#define IOC4_SIO_IR_S3_TX_EXPLICIT 0x80000000 /* */

Definition at line 97 of file ioc4_serial.c.

#define IOC4_SIO_IR_S3_TX_MT 0x01000000 /* Serial port 3 */

Definition at line 90 of file ioc4_serial.c.

#define IOC4_SRCIR_ARM 0x80000000 /* Arm RX timer */

Definition at line 209 of file ioc4_serial.c.

#define IOC4_SRTR_CNT 0x00000fff /* Reload value for RX timer */

Definition at line 231 of file ioc4_serial.c.

#define IOC4_SRTR_CNT_VAL 0x0fff0000 /* Current value of RX timer */

Definition at line 232 of file ioc4_serial.c.

#define IOC4_SRTR_CNT_VAL_SHIFT 16

Definition at line 233 of file ioc4_serial.c.

#define IOC4_SRTR_HZ 16000 /* SRTR clock frequency */

Definition at line 234 of file ioc4_serial.c.

#define IOC4_SSCR_DIAG 0x00200000 /* Bypass clock divider for sim */

Definition at line 196 of file ioc4_serial.c.

#define IOC4_SSCR_DMA_EN 0x10000000 /* Enable ring buffer DMA */

Definition at line 198 of file ioc4_serial.c.

#define IOC4_SSCR_DMA_PAUSE 0x20000000 /* Pause DMA */

Definition at line 199 of file ioc4_serial.c.

#define IOC4_SSCR_HFC_EN 0x00020000 /* Hardware flow control enabled */

Definition at line 193 of file ioc4_serial.c.

#define IOC4_SSCR_PAUSE_STATE 0x40000000 /* Sets when PAUSE takes effect */

Definition at line 200 of file ioc4_serial.c.

#define IOC4_SSCR_RESET 0x80000000 /* Reset DMA channels */

Definition at line 201 of file ioc4_serial.c.

#define IOC4_SSCR_RX_DRAIN 0x08000000 /* Drain RX buffer to memory */

Definition at line 197 of file ioc4_serial.c.

#define IOC4_SSCR_RX_RING_CTS 0x00080000 /* Post RX record on delta-CTS */

Definition at line 195 of file ioc4_serial.c.

#define IOC4_SSCR_RX_RING_DCD 0x00040000 /* Post RX record on delta-DCD */

Definition at line 194 of file ioc4_serial.c.

#define IOC4_SSCR_RX_THRESHOLD 0x000001ff /* Hiwater mark */

Definition at line 191 of file ioc4_serial.c.

#define IOC4_SSCR_TX_TIMER_BUSY 0x00010000 /* TX timer in progress */

Definition at line 192 of file ioc4_serial.c.

#define IOC4_TXCB_DELAY 0xc0 /* Delay data<7:0> mSec */

Definition at line 185 of file ioc4_serial.c.

#define IOC4_TXCB_INT_WHEN_DONE 0x20 /* Interrupt after this byte is sent */

Definition at line 181 of file ioc4_serial.c.

#define IOC4_TXCB_INVALID 0x00 /* Byte is invalid */

Definition at line 182 of file ioc4_serial.c.

#define IOC4_TXCB_MCR 0x80 /* Data<7:0> to modem control reg */

Definition at line 184 of file ioc4_serial.c.

#define IOC4_TXCB_VALID 0x40 /* Byte is valid */

Definition at line 183 of file ioc4_serial.c.

#define IOC4_W_IEC 1

Definition at line 297 of file ioc4_serial.c.

#define IOC4_W_IES 0

Definition at line 296 of file ioc4_serial.c.

#define LCR_MASK_BITS_CHAR

Value:

(UART_LCR_WLEN5 | UART_LCR_WLEN6 \

| UART_LCR_WLEN7 | UART_LCR_WLEN8)

Definition at line 367 of file ioc4_serial.c.

#define LCR_MASK_STOP_BITS (UART_LCR_STOP)

Definition at line 369 of file ioc4_serial.c.

#define LOWAT_WRITTEN 0x04

Definition at line 503 of file ioc4_serial.c.

#define MAX_BAUD_SUPPORTED 115200

Definition at line 335 of file ioc4_serial.c.

#define MAX_IOC4_INTR_ENTS (8 * sizeof(uint32_t))

Definition at line 410 of file ioc4_serial.c.

#define MAXITER 10000000

Definition at line 623 of file ioc4_serial.c.

#define MIN_BAUD_SUPPORTED 1200

Definition at line 334 of file ioc4_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 359 of file ioc4_serial.c.

#define N_ALL_ERRORS (N_PARITY_ERROR | N_FRAMING_ERROR | N_OVERRUN_ERROR)

Definition at line 357 of file ioc4_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 351 of file ioc4_serial.c.

#define N_ALL_OUTPUT N_OUTPUT_LOWAT

Definition at line 355 of file ioc4_serial.c.

#define N_BREAK 0x04

Definition at line 344 of file ioc4_serial.c.

#define N_DATA_READY 0x01

Definition at line 342 of file ioc4_serial.c.

#define N_DCTS 0x80

Definition at line 349 of file ioc4_serial.c.

#define N_DDCD 0x40

Definition at line 348 of file ioc4_serial.c.

#define N_FRAMING_ERROR 0x10

Definition at line 346 of file ioc4_serial.c.

#define N_OUTPUT_LOWAT 0x02

Definition at line 343 of file ioc4_serial.c.

#define N_OVERRUN_ERROR 0x20

Definition at line 347 of file ioc4_serial.c.

#define N_PARITY_ERROR 0x08

Definition at line 345 of file ioc4_serial.c.

#define NCS_BREAK 0x1

Definition at line 328 of file ioc4_serial.c.

#define NCS_FRAMING 0x4

Definition at line 330 of file ioc4_serial.c.

#define NCS_OVERRUN 0x8

Definition at line 331 of file ioc4_serial.c.

#define NCS_PARITY 0x2

Definition at line 329 of file ioc4_serial.c.

#define PENDING ( _p ) (readl(&(_p)->ip_mem->sio_ir.raw) & _p->ip_ienb)

Definition at line 371 of file ioc4_serial.c.

#define PORT_ACTIVE 0x10

Definition at line 505 of file ioc4_serial.c.

#define PORT_INACTIVE 0 /* This is the value when "off" */

Definition at line 506 of file ioc4_serial.c.

#define PROD_CONS_MASK IOC4_PROD_CONS_PTR_4K

Definition at line 382 of file ioc4_serial.c.

#define PROTO_RS232 3

Definition at line 338 of file ioc4_serial.c.

#define PROTO_RS422 7

Definition at line 339 of file ioc4_serial.c.

#define READ_ABORTED 0x08

Definition at line 504 of file ioc4_serial.c.

#define READ_SIO_IR ( _p ) readl(&(_p)->ip_mem->sio_ir.raw)

Definition at line 372 of file ioc4_serial.c.

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

Definition at line 619 of file ioc4_serial.c.

#define ring_allsc u.all.allsc

Definition at line 600 of file ioc4_serial.c.

#define RING_ANY_VALID ((uint32_t)(IOC4_RXSB_MODEM_VALID | IOC4_RXSB_DATA_VALID) * 0x01010101)

Definition at line 595 of file ioc4_serial.c.

#define RING_BUF_SIZE 4096

Definition at line 380 of file ioc4_serial.c.

#define ring_data u.s.data

Definition at line 599 of file ioc4_serial.c.

#define ring_sc u.s.sc

Definition at line 598 of file ioc4_serial.c.

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

Definition at line 363 of file ioc4_serial.c.

#define TOTAL_RING_BUF_SIZE (RING_BUF_SIZE * 4)

Definition at line 385 of file ioc4_serial.c.

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

Definition at line 498 of file ioc4_serial.c.

#define TX_LOWAT_HZ (1000000 / TX_LOWAT_LATENCY)

Definition at line 497 of file ioc4_serial.c.

#define TX_LOWAT_LATENCY 1000

Definition at line 496 of file ioc4_serial.c.

#define UART_PORT_COUNT 2 /* one for each mode */

Definition at line 394 of file ioc4_serial.c.

#define UART_PORT_MIN 0

Definition at line 391 of file ioc4_serial.c.

#define UART_PORT_RS232 UART_PORT_MIN

Definition at line 392 of file ioc4_serial.c.

#define UART_PORT_RS422 1

Definition at line 393 of file ioc4_serial.c.

#define WAKEUP_CHARS 256

Definition at line 310 of file ioc4_serial.c.

Typedef Documentation

typedef void ioc4_intr_func_f(void *, uint32_t)

Definition at line 299 of file ioc4_serial.c.

typedef ioc4_intr_func_f* ioc4_intr_func_t

Definition at line 300 of file ioc4_serial.c.

Function Documentation

int ioc4_serial_attach_one ( struct ioc4_driver_data * idd )

ioc4_serial_attach_one - register attach function called per card found from IOC4 master module. : Master module data for this IOC4

Definition at line 2765 of file ioc4_serial.c.

late_initcall ( ioc4_serial_init )

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

MODULE_DESCRIPTION ( "Serial PCI driver module for SGI IOC4 Base-IO Card" )

module_exit ( ioc4_serial_exit )

MODULE_LICENSE ( "GPL" )

Variable Documentation

struct ioc4_serial ioc4_serial

Data Structures

Macros

Typedefs

Functions

Variables

Macro Definition Documentation

Typedef Documentation

Function Documentation

Variable Documentation