Release 4.11 drivers/net/irda/nsc-ircc.h
/*********************************************************************
*
* Filename: nsc-ircc.h
* Version:
* Description:
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Fri Nov 13 14:37:40 1998
* Modified at: Sun Jan 23 17:47:00 2000
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 1998-2000 Dag Brattli <dagb@cs.uit.no>
* Copyright (c) 1998 Lichen Wang, <lwang@actisys.com>
* Copyright (c) 1998 Actisys Corp., www.actisys.com
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* Neither Dag Brattli nor University of Tromsø admit liability nor
* provide warranty for any of this software. This material is
* provided "AS-IS" and at no charge.
*
********************************************************************/
#ifndef NSC_IRCC_H
#define NSC_IRCC_H
#include <linux/ktime.h>
#include <linux/spinlock.h>
#include <linux/pm.h>
#include <linux/types.h>
#include <asm/io.h>
/* Features for chips (set in driver_data) */
#define NSC_FORCE_DONGLE_TYPE9 0x00000001
/* DMA modes needed */
#define DMA_TX_MODE 0x08
/* Mem to I/O, ++, demand. */
#define DMA_RX_MODE 0x04
/* I/O to mem, ++, demand. */
/* Config registers for the '108 */
#define CFG_108_BAIC 0x00
#define CFG_108_CSRT 0x01
#define CFG_108_MCTL 0x02
/* Config registers for the '338 */
#define CFG_338_FER 0x00
#define CFG_338_FAR 0x01
#define CFG_338_PTR 0x02
#define CFG_338_PNP0 0x1b
#define CFG_338_PNP1 0x1c
#define CFG_338_PNP3 0x4f
/* Config registers for the '39x (in the logical device bank) */
#define CFG_39X_LDN 0x07
/* Logical device number (Super I/O bank) */
#define CFG_39X_SIOCF1 0x21
/* SuperI/O Config */
#define CFG_39X_ACT 0x30
/* Device activation */
#define CFG_39X_BASEH 0x60
/* Device base address (high bits) */
#define CFG_39X_BASEL 0x61
/* Device base address (low bits) */
#define CFG_39X_IRQNUM 0x70
/* Interrupt number & wake up enable */
#define CFG_39X_IRQSEL 0x71
/* Interrupt select (edge/level + polarity) */
#define CFG_39X_DMA0 0x74
/* DMA 0 configuration */
#define CFG_39X_DMA1 0x75
/* DMA 1 configuration */
#define CFG_39X_SPC 0xF0
/* Serial port configuration register */
/* Flags for configuration register CRF0 */
#define APEDCRC 0x02
#define ENBNKSEL 0x01
/* Set 0 */
#define TXD 0x00
/* Transmit data port */
#define RXD 0x00
/* Receive data port */
/* Register 1 */
#define IER 0x01
/* Interrupt Enable Register*/
#define IER_RXHDL_IE 0x01
/* Receiver high data level interrupt */
#define IER_TXLDL_IE 0x02
/* Transeiver low data level interrupt */
#define IER_LS_IE 0x04
//* Link Status Interrupt */
#define IER_ETXURI 0x04
/* Tx underrun */
#define IER_DMA_IE 0x10
/* DMA finished interrupt */
#define IER_TXEMP_IE 0x20
#define IER_SFIF_IE 0x40
/* Frame status FIFO intr */
#define IER_TMR_IE 0x80
/* Timer event */
#define FCR 0x02
/* (write only) */
#define FCR_FIFO_EN 0x01
/* Enable FIFO's */
#define FCR_RXSR 0x02
/* Rx FIFO soft reset */
#define FCR_TXSR 0x04
/* Tx FIFO soft reset */
#define FCR_RXTH 0x40
/* Rx FIFO threshold (set to 16) */
#define FCR_TXTH 0x20
/* Tx FIFO threshold (set to 17) */
#define EIR 0x02
/* (read only) */
#define EIR_RXHDL_EV 0x01
#define EIR_TXLDL_EV 0x02
#define EIR_LS_EV 0x04
#define EIR_DMA_EV 0x10
#define EIR_TXEMP_EV 0x20
#define EIR_SFIF_EV 0x40
#define EIR_TMR_EV 0x80
#define LCR 0x03
/* Link control register */
#define LCR_WLS_8 0x03
/* 8 bits */
#define BSR 0x03
/* Bank select register */
#define BSR_BKSE 0x80
#define BANK0 LCR_WLS_8
/* Must make sure that we set 8N1 */
#define BANK1 0x80
#define BANK2 0xe0
#define BANK3 0xe4
#define BANK4 0xe8
#define BANK5 0xec
#define BANK6 0xf0
#define BANK7 0xf4
#define MCR 0x04
/* Mode Control Register */
#define MCR_MODE_MASK ~(0xd0)
#define MCR_UART 0x00
#define MCR_RESERVED 0x20
#define MCR_SHARP_IR 0x40
#define MCR_SIR 0x60
#define MCR_MIR 0x80
#define MCR_FIR 0xa0
#define MCR_CEIR 0xb0
#define MCR_IR_PLS 0x10
#define MCR_DMA_EN 0x04
#define MCR_EN_IRQ 0x08
#define MCR_TX_DFR 0x08
#define LSR 0x05
/* Link status register */
#define LSR_RXDA 0x01
/* Receiver data available */
#define LSR_TXRDY 0x20
/* Transmitter ready */
#define LSR_TXEMP 0x40
/* Transmitter empty */
#define ASCR 0x07
/* Auxiliary Status and Control Register */
#define ASCR_RXF_TOUT 0x01
/* Rx FIFO timeout */
#define ASCR_FEND_INF 0x02
/* Frame end bytes in rx FIFO */
#define ASCR_S_EOT 0x04
/* Set end of transmission */
#define ASCT_RXBSY 0x20
/* Rx busy */
#define ASCR_TXUR 0x40
/* Transeiver underrun */
#define ASCR_CTE 0x80
/* Clear timer event */
/* Bank 2 */
#define BGDL 0x00
/* Baud Generator Divisor Port (Low Byte) */
#define BGDH 0x01
/* Baud Generator Divisor Port (High Byte) */
#define ECR1 0x02
/* Extended Control Register 1 */
#define ECR1_EXT_SL 0x01
/* Extended Mode Select */
#define ECR1_DMANF 0x02
/* DMA Fairness */
#define ECR1_DMATH 0x04
/* DMA Threshold */
#define ECR1_DMASWP 0x08
/* DMA Swap */
#define EXCR2 0x04
#define EXCR2_TFSIZ 0x01
/* Rx FIFO size = 32 */
#define EXCR2_RFSIZ 0x04
/* Tx FIFO size = 32 */
#define TXFLV 0x06
/* Tx FIFO level */
#define RXFLV 0x07
/* Rx FIFO level */
/* Bank 3 */
#define MID 0x00
/* Bank 4 */
#define TMRL 0x00
/* Timer low byte */
#define TMRH 0x01
/* Timer high byte */
#define IRCR1 0x02
/* Infrared control register 1 */
#define IRCR1_TMR_EN 0x01
/* Timer enable */
#define TFRLL 0x04
#define TFRLH 0x05
#define RFRLL 0x06
#define RFRLH 0x07
/* Bank 5 */
#define IRCR2 0x04
/* Infrared control register 2 */
#define IRCR2_MDRS 0x04
/* MIR data rate select */
#define IRCR2_FEND_MD 0x20
/* */
#define FRM_ST 0x05
/* Frame status FIFO */
#define FRM_ST_VLD 0x80
/* Frame status FIFO data valid */
#define FRM_ST_ERR_MSK 0x5f
#define FRM_ST_LOST_FR 0x40
/* Frame lost */
#define FRM_ST_MAX_LEN 0x10
/* Max frame len exceeded */
#define FRM_ST_PHY_ERR 0x08
/* Physical layer error */
#define FRM_ST_BAD_CRC 0x04
#define FRM_ST_OVR1 0x02
/* Rx FIFO overrun */
#define FRM_ST_OVR2 0x01
/* Frame status FIFO overrun */
#define RFLFL 0x06
#define RFLFH 0x07
/* Bank 6 */
#define IR_CFG2 0x00
#define IR_CFG2_DIS_CRC 0x02
/* Bank 7 */
#define IRM_CR 0x07
/* Infrared module control register */
#define IRM_CR_IRX_MSL 0x40
#define IRM_CR_AF_MNT 0x80
/* Automatic format */
/* NSC chip information */
struct nsc_chip {
char *name; /* Name of chipset */
int cfg[3]; /* Config registers */
u_int8_t cid_index; /* Chip identification index reg */
u_int8_t cid_value; /* Chip identification expected value */
u_int8_t cid_mask; /* Chip identification revision mask */
/* Functions for probing and initializing the specific chip */
int (*probe)(struct nsc_chip *chip, chipio_t *info);
int (*init)(struct nsc_chip *chip, chipio_t *info);
};
typedef struct nsc_chip nsc_chip_t;
/* For storing entries in the status FIFO */
struct st_fifo_entry {
int status;
int len;
};
#define MAX_TX_WINDOW 7
#define MAX_RX_WINDOW 7
struct st_fifo {
struct st_fifo_entry entries[MAX_RX_WINDOW];
int pending_bytes;
int head;
int tail;
int len;
};
struct frame_cb {
void *start; /* Start of frame in DMA mem */
int len; /* Length of frame in DMA mem */
};
struct tx_fifo {
struct frame_cb queue[MAX_TX_WINDOW]; /* Info about frames in queue */
int ptr; /* Currently being sent */
int len; /* Length of queue */
int free; /* Next free slot */
void *tail; /* Next free start in DMA mem */
};
/* Private data for each instance */
struct nsc_ircc_cb {
struct st_fifo st_fifo; /* Info about received frames */
struct tx_fifo tx_fifo; /* Info about frames to be transmitted */
struct net_device *netdev; /* Yes! we are some kind of netdevice */
struct irlap_cb *irlap; /* The link layer we are binded to */
struct qos_info qos; /* QoS capabilities for this device */
chipio_t io; /* IrDA controller information */
iobuff_t tx_buff; /* Transmit buffer */
iobuff_t rx_buff; /* Receive buffer */
dma_addr_t tx_buff_dma;
dma_addr_t rx_buff_dma;
__u8 ier; /* Interrupt enable register */
ktime_t stamp;
spinlock_t lock; /* For serializing operations */
__u32 new_speed;
int index; /* Instance index */
struct platform_device *pldev;
};
static inline void switch_bank(int iobase, int bank)
{
outb(bank, iobase+BSR);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
#endif /* NSC_IRCC_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 781 | 90.50% | 7 | 43.75% |
| Jean Tourrilhes | 60 | 6.95% | 2 | 12.50% |
| William Lee Irwin III | 9 | 1.04% | 1 | 6.25% |
| Matthew Garrett | 5 | 0.58% | 1 | 6.25% |
| Chunyan Zhang | 2 | 0.23% | 1 | 6.25% |
| Paulius Zaleckas | 2 | 0.23% | 1 | 6.25% |
| Dmitry Torokhov | 2 | 0.23% | 1 | 6.25% |
| Lucas De Marchi | 1 | 0.12% | 1 | 6.25% |
| Jan Engelhardt | 1 | 0.12% | 1 | 6.25% |
| Total | 863 | 100.00% | 16 | 100.00% |
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