[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / sdla.h

/*
 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 *		operating system.  INET is implemented using the  BSD Socket
 *		interface as the means of communication with the user level.
 *
 *		Global definitions for the Frame relay interface.
 *
 * Version:	@(#)if_ifrad.h	0.20	13 Apr 96
 *
 * Author:	Mike McLagan <mike.mclagan@linux.org>
 *
 * Changes:
 *		0.15	Mike McLagan	Structure packing
 *
 *		0.20	Mike McLagan	New flags for S508 buffer handling
 *
 *		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.
 */

#ifndef SDLA_H
#define SDLA_H

/* adapter type */
#define SDLA_TYPES
#define SDLA_S502A			5020
#define SDLA_S502E			5021
#define SDLA_S503			5030
#define SDLA_S507			5070
#define SDLA_S508			5080
#define SDLA_S509			5090
#define SDLA_UNKNOWN			-1

/* port selection flags for the S508 */
#define SDLA_S508_PORT_V35		0x00
#define SDLA_S508_PORT_RS232		0x02

/* Z80 CPU speeds */
#define SDLA_CPU_3M			0x00
#define SDLA_CPU_5M			0x01
#define SDLA_CPU_7M			0x02
#define SDLA_CPU_8M			0x03
#define SDLA_CPU_10M			0x04
#define SDLA_CPU_16M			0x05
#define SDLA_CPU_12M			0x06

/* some private IOCTLs */
#define SDLA_IDENTIFY			(FRAD_LAST_IOCTL + 1)
#define SDLA_CPUSPEED			(FRAD_LAST_IOCTL + 2)
#define SDLA_PROTOCOL			(FRAD_LAST_IOCTL + 3)

#define SDLA_CLEARMEM			(FRAD_LAST_IOCTL + 4)
#define SDLA_WRITEMEM			(FRAD_LAST_IOCTL + 5)
#define SDLA_READMEM			(FRAD_LAST_IOCTL + 6)

struct sdla_mem {
   int  addr;
   int  len;
   void __user *data;
};

#define SDLA_START			(FRAD_LAST_IOCTL + 7)
#define SDLA_STOP			(FRAD_LAST_IOCTL + 8)

/* some offsets in the Z80's memory space */
#define SDLA_NMIADDR			0x0000
#define SDLA_CONF_ADDR			0x0010
#define SDLA_S502A_NMIADDR		0x0066
#define SDLA_CODE_BASEADDR		0x0100
#define SDLA_WINDOW_SIZE		0x2000
#define SDLA_ADDR_MASK			0x1FFF

/* largest handleable block of data */
#define SDLA_MAX_DATA			4080
#define SDLA_MAX_MTU			4072	/* MAX_DATA - sizeof(fradhdr) */
#define SDLA_MAX_DLCI			24

/* this should be the same as frad_conf */
struct sdla_conf {
   short station;
   short config;
   short kbaud;
   short clocking;
   short max_frm;
   short T391;
   short T392;
   short N391;
   short N392;
   short N393;
   short CIR_fwd;
   short Bc_fwd;
   short Be_fwd;
   short CIR_bwd;
   short Bc_bwd;
   short Be_bwd;
};

/* this should be the same as dlci_conf */
struct sdla_dlci_conf {
   short config;
   short CIR_fwd;
   short Bc_fwd;
   short Be_fwd;
   short CIR_bwd;
   short Bc_bwd;
   short Be_bwd; 
   short Tc_fwd;
   short Tc_bwd;
   short Tf_max;
   short Tb_max;
};

#ifndef __KERNEL__

void sdla(void *cfg_info, char *dev, struct frad_conf *conf, int quiet);

#else

/* important Z80 window addresses */
#define SDLA_CONTROL_WND		0xE000

#define SDLA_502_CMD_BUF		0xEF60
#define SDLA_502_RCV_BUF		0xA900
#define	SDLA_502_TXN_AVAIL		0xFFF1
#define SDLA_502_RCV_AVAIL		0xFFF2
#define SDLA_502_EVENT_FLAGS		0xFFF3
#define SDLA_502_MDM_STATUS		0xFFF4
#define SDLA_502_IRQ_INTERFACE		0xFFFD
#define SDLA_502_IRQ_PERMISSION		0xFFFE
#define SDLA_502_DATA_OFS		0x0010

#define SDLA_508_CMD_BUF		0xE000
#define SDLA_508_TXBUF_INFO		0xF100
#define SDLA_508_RXBUF_INFO		0xF120
#define SDLA_508_EVENT_FLAGS		0xF003
#define SDLA_508_MDM_STATUS		0xF004
#define SDLA_508_IRQ_INTERFACE		0xF010
#define SDLA_508_IRQ_PERMISSION		0xF011
#define SDLA_508_TSE_OFFSET		0xF012

/* Event flags */
#define SDLA_EVENT_STATUS		0x01
#define SDLA_EVENT_DLCI_STATUS		0x02
#define SDLA_EVENT_BAD_DLCI		0x04
#define SDLA_EVENT_LINK_DOWN		0x40

/* IRQ Trigger flags */
#define SDLA_INTR_RX			0x01
#define SDLA_INTR_TX			0x02
#define SDLA_INTR_MODEM			0x04
#define SDLA_INTR_COMPLETE		0x08
#define SDLA_INTR_STATUS		0x10
#define SDLA_INTR_TIMER			0x20

/* DLCI status bits */
#define SDLA_DLCI_DELETED		0x01
#define SDLA_DLCI_ACTIVE		0x02
#define SDLA_DLCI_WAITING		0x04
#define SDLA_DLCI_NEW			0x08
#define SDLA_DLCI_INCLUDED		0x40

/* valid command codes */
#define	SDLA_INFORMATION_WRITE		0x01
#define	SDLA_INFORMATION_READ		0x02
#define SDLA_ISSUE_IN_CHANNEL_SIGNAL	0x03
#define	SDLA_SET_DLCI_CONFIGURATION	0x10
#define	SDLA_READ_DLCI_CONFIGURATION	0x11
#define	SDLA_DISABLE_COMMUNICATIONS	0x12
#define	SDLA_ENABLE_COMMUNICATIONS	0x13
#define	SDLA_READ_DLC_STATUS		0x14
#define	SDLA_READ_DLC_STATISTICS	0x15
#define	SDLA_FLUSH_DLC_STATISTICS	0x16
#define	SDLA_LIST_ACTIVE_DLCI		0x17
#define	SDLA_FLUSH_INFORMATION_BUFFERS	0x18
#define	SDLA_ADD_DLCI			0x20
#define	SDLA_DELETE_DLCI		0x21
#define	SDLA_ACTIVATE_DLCI		0x22
#define	SDLA_DEACTIVATE_DLCI		0x23
#define	SDLA_READ_MODEM_STATUS		0x30
#define	SDLA_SET_MODEM_STATUS		0x31
#define	SDLA_READ_COMMS_ERR_STATS	0x32
#define SDLA_FLUSH_COMMS_ERR_STATS	0x33
#define	SDLA_READ_CODE_VERSION		0x40
#define SDLA_SET_IRQ_TRIGGER		0x50
#define SDLA_GET_IRQ_TRIGGER		0x51

/* In channel signal types */
#define SDLA_ICS_LINK_VERIFY		0x02
#define SDLA_ICS_STATUS_ENQ		0x03

/* modem status flags */
#define SDLA_MODEM_DTR_HIGH		0x01
#define SDLA_MODEM_RTS_HIGH		0x02
#define SDLA_MODEM_DCD_HIGH		0x08
#define SDLA_MODEM_CTS_HIGH		0x20

/* used for RET_MODEM interpretation */
#define SDLA_MODEM_DCD_LOW		0x01
#define SDLA_MODEM_CTS_LOW		0x02

/* return codes */
#define SDLA_RET_OK			0x00
#define SDLA_RET_COMMUNICATIONS		0x01
#define SDLA_RET_CHANNEL_INACTIVE	0x02
#define SDLA_RET_DLCI_INACTIVE		0x03
#define SDLA_RET_DLCI_CONFIG		0x04
#define SDLA_RET_BUF_TOO_BIG		0x05
#define SDLA_RET_NO_DATA		0x05
#define SDLA_RET_BUF_OVERSIZE		0x06
#define SDLA_RET_CIR_OVERFLOW		0x07
#define SDLA_RET_NO_BUFS		0x08
#define SDLA_RET_TIMEOUT		0x0A
#define SDLA_RET_MODEM			0x10
#define SDLA_RET_CHANNEL_OFF		0x11
#define SDLA_RET_CHANNEL_ON		0x12
#define SDLA_RET_DLCI_STATUS		0x13
#define SDLA_RET_DLCI_UNKNOWN       	0x14
#define SDLA_RET_COMMAND_INVALID    	0x1F

/* Configuration flags */
#define SDLA_DIRECT_RECV		0x0080
#define SDLA_TX_NO_EXCEPT		0x0020
#define SDLA_NO_ICF_MSGS		0x1000
#define SDLA_TX50_RX50			0x0000
#define SDLA_TX70_RX30			0x2000
#define SDLA_TX30_RX70			0x4000

/* IRQ selection flags */
#define SDLA_IRQ_RECEIVE		0x01
#define SDLA_IRQ_TRANSMIT		0x02
#define SDLA_IRQ_MODEM_STAT		0x04
#define SDLA_IRQ_COMMAND		0x08
#define SDLA_IRQ_CHANNEL		0x10
#define SDLA_IRQ_TIMER			0x20

/* definitions for PC memory mapping */
#define SDLA_8K_WINDOW			0x01
#define SDLA_S502_SEG_A			0x10
#define SDLA_S502_SEG_C			0x20
#define SDLA_S502_SEG_D			0x00
#define SDLA_S502_SEG_E			0x30
#define SDLA_S507_SEG_A			0x00
#define SDLA_S507_SEG_B			0x40
#define SDLA_S507_SEG_C			0x80
#define SDLA_S507_SEG_E			0xC0
#define SDLA_S508_SEG_A			0x00
#define SDLA_S508_SEG_C			0x10
#define SDLA_S508_SEG_D			0x08
#define SDLA_S508_SEG_E			0x18

/* SDLA adapter port constants */
#define SDLA_IO_EXTENTS			0x04
	
#define SDLA_REG_CONTROL		0x00
#define SDLA_REG_PC_WINDOW		0x01	/* offset for PC window select latch */
#define SDLA_REG_Z80_WINDOW 		0x02	/* offset for Z80 window select latch */
#define SDLA_REG_Z80_CONTROL		0x03	/* offset for Z80 control latch */
	
#define SDLA_S502_STS			0x00	/* status reg for 502, 502E, 507 */
#define SDLA_S508_GNRL			0x00	/* general purp. reg for 508 */
#define SDLA_S508_STS			0x01	/* status reg for 508 */
#define SDLA_S508_IDR			0x02	/* ID reg for 508 */
	
/* control register flags */
#define SDLA_S502A_START		0x00	/* start the CPU */
#define SDLA_S502A_INTREQ		0x02
#define SDLA_S502A_INTEN		0x04
#define SDLA_S502A_HALT			0x08	/* halt the CPU */	
#define SDLA_S502A_NMI			0x10	/* issue an NMI to the CPU */

#define SDLA_S502E_CPUEN		0x01
#define SDLA_S502E_ENABLE		0x02
#define SDLA_S502E_INTACK		0x04
	
#define SDLA_S507_ENABLE		0x01
#define SDLA_S507_IRQ3			0x00
#define SDLA_S507_IRQ4			0x20
#define SDLA_S507_IRQ5			0x40
#define SDLA_S507_IRQ7			0x60
#define SDLA_S507_IRQ10			0x80
#define SDLA_S507_IRQ11			0xA0
#define SDLA_S507_IRQ12			0xC0
#define SDLA_S507_IRQ15			0xE0
	
#define SDLA_HALT			0x00
#define SDLA_CPUEN			0x02
#define SDLA_MEMEN			0x04
#define SDLA_S507_EPROMWR		0x08
#define SDLA_S507_EPROMCLK		0x10
#define SDLA_S508_INTRQ			0x08
#define SDLA_S508_INTEN			0x10

struct sdla_cmd {
   char  opp_flag;
   char  cmd;
   short length;
   char  retval;
   short dlci;
   char  flags;
   short rxlost_int;
   long  rxlost_app;
   char  reserve[2];
   char  data[SDLA_MAX_DATA];	/* transfer data buffer */
} __attribute__((packed));

struct intr_info {
   char  flags;
   short txlen;
   char  irq;
   char  flags2;
   short timeout;
} __attribute__((packed));

/* found in the 508's control window at RXBUF_INFO */
struct buf_info {
   unsigned short rse_num;
   unsigned long  rse_base;
   unsigned long  rse_next;
   unsigned long  buf_base;
   unsigned short reserved;
   unsigned long  buf_top;
} __attribute__((packed));

/* structure pointed to by rse_base in RXBUF_INFO struct */
struct buf_entry {
   char  opp_flag;
   short length;
   short dlci;
   char  flags;
   short timestamp;
   short reserved[2];
   long  buf_addr;
} __attribute__((packed));

#endif

#endif
Commit	Line	Data
1da177e4 LT	1	/*
	2	* INET An implementation of the TCP/IP protocol suite for the LINUX
	3	* operating system. INET is implemented using the BSD Socket
	4	* interface as the means of communication with the user level.
	5	*
	6	* Global definitions for the Frame relay interface.
	7	*
	8	* Version: @(#)if_ifrad.h 0.20 13 Apr 96
	9	*
	10	* Author: Mike McLagan <mike.mclagan@linux.org>
	11	*
	12	* Changes:
	13	* 0.15 Mike McLagan Structure packing
	14	*
	15	* 0.20 Mike McLagan New flags for S508 buffer handling
	16	*
	17	* This program is free software; you can redistribute it and/or
	18	* modify it under the terms of the GNU General Public License
	19	* as published by the Free Software Foundation; either version
	20	* 2 of the License, or (at your option) any later version.
	21	*/
	22
	23	#ifndef SDLA_H
	24	#define SDLA_H
	25
	26	/* adapter type */
	27	#define SDLA_TYPES
	28	#define SDLA_S502A 5020
	29	#define SDLA_S502E 5021
	30	#define SDLA_S503 5030
	31	#define SDLA_S507 5070
	32	#define SDLA_S508 5080
	33	#define SDLA_S509 5090
	34	#define SDLA_UNKNOWN -1
	35
	36	/* port selection flags for the S508 */
	37	#define SDLA_S508_PORT_V35 0x00
	38	#define SDLA_S508_PORT_RS232 0x02
	39
	40	/* Z80 CPU speeds */
	41	#define SDLA_CPU_3M 0x00
	42	#define SDLA_CPU_5M 0x01
	43	#define SDLA_CPU_7M 0x02
	44	#define SDLA_CPU_8M 0x03
	45	#define SDLA_CPU_10M 0x04
	46	#define SDLA_CPU_16M 0x05
	47	#define SDLA_CPU_12M 0x06
	48
	49	/* some private IOCTLs */
	50	#define SDLA_IDENTIFY (FRAD_LAST_IOCTL + 1)
	51	#define SDLA_CPUSPEED (FRAD_LAST_IOCTL + 2)
	52	#define SDLA_PROTOCOL (FRAD_LAST_IOCTL + 3)
	53
	54	#define SDLA_CLEARMEM (FRAD_LAST_IOCTL + 4)
	55	#define SDLA_WRITEMEM (FRAD_LAST_IOCTL + 5)
	56	#define SDLA_READMEM (FRAD_LAST_IOCTL + 6)
	57
	58	struct sdla_mem {
	59	int addr;
	60	int len;
	61	void __user *data;
	62	};
	63
	64	#define SDLA_START (FRAD_LAST_IOCTL + 7)
65	#define SDLA_STOP (FRAD_LAST_IOCTL + 8)
66
67	/* some offsets in the Z80's memory space */
68	#define SDLA_NMIADDR 0x0000
69	#define SDLA_CONF_ADDR 0x0010
70	#define SDLA_S502A_NMIADDR 0x0066
71	#define SDLA_CODE_BASEADDR 0x0100
72	#define SDLA_WINDOW_SIZE 0x2000
73	#define SDLA_ADDR_MASK 0x1FFF
74
75	/* largest handleable block of data */
76	#define SDLA_MAX_DATA 4080
77	#define SDLA_MAX_MTU 4072 /* MAX_DATA - sizeof(fradhdr) */
78	#define SDLA_MAX_DLCI 24
79
80	/* this should be the same as frad_conf */
81	struct sdla_conf {
82	short station;
83	short config;
84	short kbaud;
85	short clocking;
86	short max_frm;
87	short T391;
88	short T392;
89	short N391;
90	short N392;
91	short N393;
92	short CIR_fwd;
93	short Bc_fwd;
94	short Be_fwd;
95	short CIR_bwd;
96	short Bc_bwd;
97	short Be_bwd;
98	};
99
100	/* this should be the same as dlci_conf */
101	struct sdla_dlci_conf {
102	short config;
103	short CIR_fwd;
104	short Bc_fwd;
105	short Be_fwd;
106	short CIR_bwd;
107	short Bc_bwd;
108	short Be_bwd;
109	short Tc_fwd;
110	short Tc_bwd;
111	short Tf_max;
112	short Tb_max;
113	};
114
115	#ifndef __KERNEL__
116
117	void sdla(void cfg_info, char dev, struct frad_conf *conf, int quiet);
118
119	#else
120
121	/* important Z80 window addresses */
122	#define SDLA_CONTROL_WND 0xE000
123
124	#define SDLA_502_CMD_BUF 0xEF60
125	#define SDLA_502_RCV_BUF 0xA900
126	#define SDLA_502_TXN_AVAIL 0xFFF1
127	#define SDLA_502_RCV_AVAIL 0xFFF2
128	#define SDLA_502_EVENT_FLAGS 0xFFF3
129	#define SDLA_502_MDM_STATUS 0xFFF4
130	#define SDLA_502_IRQ_INTERFACE 0xFFFD
131	#define SDLA_502_IRQ_PERMISSION 0xFFFE
132	#define SDLA_502_DATA_OFS 0x0010
133
134	#define SDLA_508_CMD_BUF 0xE000
135	#define SDLA_508_TXBUF_INFO 0xF100
136	#define SDLA_508_RXBUF_INFO 0xF120
137	#define SDLA_508_EVENT_FLAGS 0xF003
138	#define SDLA_508_MDM_STATUS 0xF004
139	#define SDLA_508_IRQ_INTERFACE 0xF010
140	#define SDLA_508_IRQ_PERMISSION 0xF011
141	#define SDLA_508_TSE_OFFSET 0xF012
142
143	/* Event flags */
144	#define SDLA_EVENT_STATUS 0x01
145	#define SDLA_EVENT_DLCI_STATUS 0x02
146	#define SDLA_EVENT_BAD_DLCI 0x04
147	#define SDLA_EVENT_LINK_DOWN 0x40
148
149	/* IRQ Trigger flags */
150	#define SDLA_INTR_RX 0x01
151	#define SDLA_INTR_TX 0x02
152	#define SDLA_INTR_MODEM 0x04
153	#define SDLA_INTR_COMPLETE 0x08
154	#define SDLA_INTR_STATUS 0x10
155	#define SDLA_INTR_TIMER 0x20
156
157	/* DLCI status bits */
158	#define SDLA_DLCI_DELETED 0x01
159	#define SDLA_DLCI_ACTIVE 0x02
160	#define SDLA_DLCI_WAITING 0x04
161	#define SDLA_DLCI_NEW 0x08
162	#define SDLA_DLCI_INCLUDED 0x40
163
164	/* valid command codes */
165	#define SDLA_INFORMATION_WRITE 0x01
166	#define SDLA_INFORMATION_READ 0x02
167	#define SDLA_ISSUE_IN_CHANNEL_SIGNAL 0x03
168	#define SDLA_SET_DLCI_CONFIGURATION 0x10
169	#define SDLA_READ_DLCI_CONFIGURATION 0x11
170	#define SDLA_DISABLE_COMMUNICATIONS 0x12
171	#define SDLA_ENABLE_COMMUNICATIONS 0x13
172	#define SDLA_READ_DLC_STATUS 0x14
173	#define SDLA_READ_DLC_STATISTICS 0x15
174	#define SDLA_FLUSH_DLC_STATISTICS 0x16
175	#define SDLA_LIST_ACTIVE_DLCI 0x17
176	#define SDLA_FLUSH_INFORMATION_BUFFERS 0x18
177	#define SDLA_ADD_DLCI 0x20
178	#define SDLA_DELETE_DLCI 0x21
179	#define SDLA_ACTIVATE_DLCI 0x22
180	#define SDLA_DEACTIVATE_DLCI 0x23
181	#define SDLA_READ_MODEM_STATUS 0x30
182	#define SDLA_SET_MODEM_STATUS 0x31
183	#define SDLA_READ_COMMS_ERR_STATS 0x32
184	#define SDLA_FLUSH_COMMS_ERR_STATS 0x33
185	#define SDLA_READ_CODE_VERSION 0x40
186	#define SDLA_SET_IRQ_TRIGGER 0x50
187	#define SDLA_GET_IRQ_TRIGGER 0x51
188
189	/* In channel signal types */
190	#define SDLA_ICS_LINK_VERIFY 0x02
191	#define SDLA_ICS_STATUS_ENQ 0x03
192
193	/* modem status flags */
194	#define SDLA_MODEM_DTR_HIGH 0x01
195	#define SDLA_MODEM_RTS_HIGH 0x02
196	#define SDLA_MODEM_DCD_HIGH 0x08
197	#define SDLA_MODEM_CTS_HIGH 0x20
198
199	/* used for RET_MODEM interpretation */
200	#define SDLA_MODEM_DCD_LOW 0x01
201	#define SDLA_MODEM_CTS_LOW 0x02
202
203	/* return codes */
204	#define SDLA_RET_OK 0x00
205	#define SDLA_RET_COMMUNICATIONS 0x01
206	#define SDLA_RET_CHANNEL_INACTIVE 0x02
207	#define SDLA_RET_DLCI_INACTIVE 0x03
208	#define SDLA_RET_DLCI_CONFIG 0x04
209	#define SDLA_RET_BUF_TOO_BIG 0x05
210	#define SDLA_RET_NO_DATA 0x05
211	#define SDLA_RET_BUF_OVERSIZE 0x06
212	#define SDLA_RET_CIR_OVERFLOW 0x07
213	#define SDLA_RET_NO_BUFS 0x08
214	#define SDLA_RET_TIMEOUT 0x0A
215	#define SDLA_RET_MODEM 0x10
216	#define SDLA_RET_CHANNEL_OFF 0x11
217	#define SDLA_RET_CHANNEL_ON 0x12
218	#define SDLA_RET_DLCI_STATUS 0x13
219	#define SDLA_RET_DLCI_UNKNOWN 0x14
220	#define SDLA_RET_COMMAND_INVALID 0x1F
221
222	/* Configuration flags */
223	#define SDLA_DIRECT_RECV 0x0080
224	#define SDLA_TX_NO_EXCEPT 0x0020
225	#define SDLA_NO_ICF_MSGS 0x1000
226	#define SDLA_TX50_RX50 0x0000
227	#define SDLA_TX70_RX30 0x2000
228	#define SDLA_TX30_RX70 0x4000
229
230	/* IRQ selection flags */
231	#define SDLA_IRQ_RECEIVE 0x01
232	#define SDLA_IRQ_TRANSMIT 0x02
233	#define SDLA_IRQ_MODEM_STAT 0x04
234	#define SDLA_IRQ_COMMAND 0x08
235	#define SDLA_IRQ_CHANNEL 0x10
236	#define SDLA_IRQ_TIMER 0x20
237
238	/* definitions for PC memory mapping */
239	#define SDLA_8K_WINDOW 0x01
240	#define SDLA_S502_SEG_A 0x10
241	#define SDLA_S502_SEG_C 0x20
242	#define SDLA_S502_SEG_D 0x00
243	#define SDLA_S502_SEG_E 0x30
244	#define SDLA_S507_SEG_A 0x00
245	#define SDLA_S507_SEG_B 0x40
246	#define SDLA_S507_SEG_C 0x80
247	#define SDLA_S507_SEG_E 0xC0
248	#define SDLA_S508_SEG_A 0x00
249	#define SDLA_S508_SEG_C 0x10
250	#define SDLA_S508_SEG_D 0x08
251	#define SDLA_S508_SEG_E 0x18
252
253	/* SDLA adapter port constants */
254	#define SDLA_IO_EXTENTS 0x04
255
256	#define SDLA_REG_CONTROL 0x00
257	#define SDLA_REG_PC_WINDOW 0x01 /* offset for PC window select latch */
258	#define SDLA_REG_Z80_WINDOW 0x02 /* offset for Z80 window select latch */
259	#define SDLA_REG_Z80_CONTROL 0x03 /* offset for Z80 control latch */
260
261	#define SDLA_S502_STS 0x00 /* status reg for 502, 502E, 507 */
262	#define SDLA_S508_GNRL 0x00 /* general purp. reg for 508 */
263	#define SDLA_S508_STS 0x01 /* status reg for 508 */
264	#define SDLA_S508_IDR 0x02 /* ID reg for 508 */
265
266	/* control register flags */
267	#define SDLA_S502A_START 0x00 /* start the CPU */
268	#define SDLA_S502A_INTREQ 0x02
269	#define SDLA_S502A_INTEN 0x04
270	#define SDLA_S502A_HALT 0x08 /* halt the CPU */
271	#define SDLA_S502A_NMI 0x10 /* issue an NMI to the CPU */
272
273	#define SDLA_S502E_CPUEN 0x01
274	#define SDLA_S502E_ENABLE 0x02
275	#define SDLA_S502E_INTACK 0x04
276
277	#define SDLA_S507_ENABLE 0x01
278	#define SDLA_S507_IRQ3 0x00
279	#define SDLA_S507_IRQ4 0x20
280	#define SDLA_S507_IRQ5 0x40
281	#define SDLA_S507_IRQ7 0x60
282	#define SDLA_S507_IRQ10 0x80
283	#define SDLA_S507_IRQ11 0xA0
284	#define SDLA_S507_IRQ12 0xC0
285	#define SDLA_S507_IRQ15 0xE0
286
287	#define SDLA_HALT 0x00
288	#define SDLA_CPUEN 0x02
289	#define SDLA_MEMEN 0x04
290	#define SDLA_S507_EPROMWR 0x08
291	#define SDLA_S507_EPROMCLK 0x10
292	#define SDLA_S508_INTRQ 0x08
293	#define SDLA_S508_INTEN 0x10
294
295	struct sdla_cmd {
6a878184 JB	296	char opp_flag;
	297	char cmd;
	298	short length;
	299	char retval;
	300	short dlci;
	301	char flags;
	302	short rxlost_int;
	303	long rxlost_app;
	304	char reserve[2];
	305	char data[SDLA_MAX_DATA]; /* transfer data buffer */
	306	} __attribute__((packed));
1da177e4 LT	307
1da177e4 LT	308	struct intr_info {
6a878184 JB	309	char flags;
	310	short txlen;
	311	char irq;
	312	char flags2;
	313	short timeout;
	314	} __attribute__((packed));
1da177e4 LT	315
	316	/* found in the 508's control window at RXBUF_INFO */
	317	struct buf_info {
6a878184 JB	318	unsigned short rse_num;
	319	unsigned long rse_base;
	320	unsigned long rse_next;
	321	unsigned long buf_base;
	322	unsigned short reserved;
	323	unsigned long buf_top;
	324	} __attribute__((packed));
1da177e4 LT	325
	326	/* structure pointed to by rse_base in RXBUF_INFO struct */
	327	struct buf_entry {
6a878184 JB	328	char opp_flag;
	329	short length;
	330	short dlci;
	331	char flags;
	332	short timestamp;
	333	short reserved[2];
	334	long buf_addr;
	335	} __attribute__((packed));
1da177e4 LT	336
	337	#endif
	338
	339	#endif