1/*********************************************************************
2 *
3 * Filename:      w83977af_ir.h
4 * Version:
5 * Description:
6 * Status:        Experimental.
7 * Author:        Paul VanderSpek
8 * Created at:    Thu Nov 19 13:55:34 1998
9 * Modified at:   Tue Jan 11 13:08:19 2000
10 * Modified by:   Dag Brattli <dagb@cs.uit.no>
11 *
12 *     Copyright (c) 1998-2000 Dag Brattli, All Rights Reserved.
13 *
14 *     This program is free software; you can redistribute it and/or
15 *     modify it under the terms of the GNU General Public License as
16 *     published by the Free Software Foundation; either version 2 of
17 *     the License, or (at your option) any later version.
18 *
19 *     Neither Dag Brattli nor University of Troms� admit liability nor
20 *     provide warranty for any of this software. This material is
21 *     provided "AS-IS" and at no charge.
22 *
23 ********************************************************************/
24
25#ifndef W83977AF_IR_H
26#define W83977AF_IR_H
27
28#include <asm/io.h>
29
30/* Flags for configuration register CRF0 */
31#define ENBNKSEL	0x01
32#define APEDCRC		0x02
33#define TXW4C           0x04
34#define RXW4C           0x08
35
36/* Bank 0 */
37#define RBR             0x00 /* Receiver buffer register */
38#define TBR             0x00 /* Transmitter buffer register */
39
40#define ICR		0x01 /* Interrupt configuration register */
41#define ICR_ERBRI       0x01 /* Receiver buffer register interrupt */
42#define ICR_ETBREI      0x02 /* Transeiver empty interrupt */
43#define ICR_EUSRI	0x04//* IR status interrupt */
44#define ICR_EHSRI       0x04
45#define ICR_ETXURI      0x04 /* Tx underrun */
46#define ICR_EDMAI	0x10 /* DMA interrupt */
47#define ICR_ETXTHI      0x20 /* Transmitter threshold interrupt */
48#define ICR_EFSFI       0x40 /* Frame status FIFO interrupt */
49#define ICR_ETMRI       0x80 /* Timer interrupt */
50
51#define UFR		0x02 /* FIFO control register */
52#define UFR_EN_FIFO     0x01 /* Enable FIFO's */
53#define UFR_RXF_RST     0x02 /* Reset Rx FIFO */
54#define UFR_TXF_RST     0x04 /* Reset Tx FIFO */
55#define UFR_RXTL	0x80 /* Rx FIFO threshold (set to 16) */
56#define UFR_TXTL	0x20 /* Tx FIFO threshold (set to 17) */
57
58#define ISR		0x02 /* Interrupt status register */
59#define ISR_RXTH_I	0x01 /* Receive threshold interrupt */
60#define ISR_TXEMP_I     0x02 /* Transmitter empty interrupt */
61#define ISR_FEND_I	0x04
62#define ISR_DMA_I	0x10
63#define ISR_TXTH_I	0x20 /* Transmitter threshold interrupt */
64#define ISR_FSF_I       0x40
65#define ISR_TMR_I       0x80 /* Timer interrupt */
66
67#define UCR             0x03 /* Uart control register */
68#define UCR_DLS8        0x03 /* 8N1 */
69
70#define SSR 	        0x03 /* Sets select register */
71#define SET0 	        UCR_DLS8        /* Make sure we keep 8N1 */
72#define SET1	        (0x80|UCR_DLS8) /* Make sure we keep 8N1 */
73#define SET2	        0xE0
74#define SET3	        0xE4
75#define SET4	        0xE8
76#define SET5	        0xEC
77#define SET6	        0xF0
78#define SET7	        0xF4
79
80#define HCR		0x04
81#define HCR_MODE_MASK	~(0xD0)
82#define HCR_SIR         0x60
83#define HCR_MIR_576  	0x20
84#define HCR_MIR_1152	0x80
85#define HCR_FIR		0xA0
86#define HCR_EN_DMA	0x04
87#define HCR_EN_IRQ	0x08
88#define HCR_TX_WT	0x08
89
90#define USR             0x05 /* IR status register */
91#define USR_RDR         0x01 /* Receive data ready */
92#define USR_TSRE        0x40 /* Transmitter empty? */
93
94#define AUDR            0x07
95#define AUDR_SFEND      0x08 /* Set a frame end */
96#define AUDR_RXBSY      0x20 /* Rx busy */
97#define AUDR_UNDR       0x40 /* Transeiver underrun */
98
99/* Set 2 */
100#define ABLL            0x00 /* Advanced baud rate divisor latch (low byte) */
101#define ABHL            0x01 /* Advanced baud rate divisor latch (high byte) */
102
103#define ADCR1		0x02
104#define ADCR1_ADV_SL	0x01
105#define ADCR1_D_CHSW	0x08	/* the specs are wrong. its bit 3, not 4 */
106#define ADCR1_DMA_F	0x02
107
108#define ADCR2		0x04
109#define ADCR2_TXFS32	0x01
110#define ADCR2_RXFS32	0x04
111
112#define RXFDTH          0x07
113
114/* Set 3 */
115#define AUID		0x00
116
117/* Set 4 */
118#define TMRL            0x00 /* Timer value register (low byte) */
119#define TMRH            0x01 /* Timer value register (high byte) */
120
121#define IR_MSL          0x02 /* Infrared mode select */
122#define IR_MSL_EN_TMR   0x01 /* Enable timer */
123
124#define TFRLL		0x04 /* Transmitter frame length (low byte) */
125#define TFRLH		0x05 /* Transmitter frame length (high byte) */
126#define RFRLL		0x06 /* Receiver frame length (low byte) */
127#define RFRLH		0x07 /* Receiver frame length (high byte) */
128
129/* Set 5 */
130
131#define FS_FO           0x05 /* Frame status FIFO */
132#define FS_FO_FSFDR     0x80 /* Frame status FIFO data ready */
133#define FS_FO_LST_FR    0x40 /* Frame lost */
134#define FS_FO_MX_LEX    0x10 /* Max frame len exceeded */
135#define FS_FO_PHY_ERR   0x08 /* Physical layer error */
136#define FS_FO_CRC_ERR   0x04
137#define FS_FO_RX_OV     0x02 /* Receive overrun */
138#define FS_FO_FSF_OV    0x01 /* Frame status FIFO overrun */
139#define FS_FO_ERR_MSK   0x5f /* Error mask */
140
141#define RFLFL           0x06
142#define RFLFH           0x07
143
144/* Set 6 */
145#define IR_CFG2		0x00
146#define IR_CFG2_DIS_CRC	0x02
147
148/* Set 7 */
149#define IRM_CR		0x07 /* Infrared module control register */
150#define IRM_CR_IRX_MSL	0x40
151#define IRM_CR_AF_MNT   0x80 /* Automatic format */
152
153/* For storing entries in the status FIFO */
154struct st_fifo_entry {
155	int status;
156	int len;
157};
158
159struct st_fifo {
160	struct st_fifo_entry entries[10];
161	int head;
162	int tail;
163	int len;
164};
165
166/* Private data for each instance */
167struct w83977af_ir {
168	struct st_fifo st_fifo;
169
170	int tx_buff_offsets[10]; /* Offsets between frames in tx_buff */
171	int tx_len;          /* Number of frames in tx_buff */
172
173	struct net_device *netdev; /* Yes! we are some kind of netdevice */
174	struct net_device_stats stats;
175
176	struct irlap_cb    *irlap; /* The link layer we are binded to */
177	struct qos_info     qos;   /* QoS capabilities for this device */
178
179	chipio_t io;               /* IrDA controller information */
180	iobuff_t tx_buff;          /* Transmit buffer */
181	iobuff_t rx_buff;          /* Receive buffer */
182
183	__u32 flags;               /* Interface flags */
184	__u32 new_speed;
185};
186
187static inline void switch_bank( int iobase, int set)
188{
189	outb(set, iobase+SSR);
190}
191
192#endif
193