xref: /freebsd/contrib/ntp/kernel/sys/tt560_api.h (revision dd41de95a84d979615a2ef11df6850622bf6184e)
1 /***********************************************************************
2  *
3  *  Module:  ttime_api.h
4  *
5  *  Author:  SIS  1998
6  *           LM NE&SS 2001
7  *
8  *  Description
9  *
10  *      This header file contains data necessary for the API to the
11  *      True Time board. This contains all of the structure definitions
12  *      for the individual registers.
13  *
14  ***********************************************************************/
15 #ifndef TTIME_API_H
16 #define TTIME_API_H
17 
18 #ifdef CPP
19 extern "C" {
20 #endif
21 
22 #include <time.h>
23 
24 typedef struct
25 {
26     unsigned int	micro_sec;
27     unsigned int	milli_sec;
28     struct tm		gps_tm;
29 } gps_time_t;
30 
31 typedef struct
32 {
33     unsigned char reserved_1;
34     unsigned unit_ms		: 4;
35     unsigned filler_0		: 4;
36     unsigned hun_ms		: 4;
37     unsigned tens_ms		: 4;
38     unsigned tens_sec		: 4;
39     unsigned unit_sec		: 4;
40 
41     unsigned tens_min		: 4;
42     unsigned unit_min		: 4;
43     unsigned tens_hour		: 4;
44     unsigned unit_hour		: 4;
45     unsigned tens_day		: 4;
46     unsigned unit_day		: 4;
47     unsigned filler_1		: 4;
48     unsigned hun_day		: 4;
49 
50     unsigned tens_year		: 4;
51     unsigned unit_year		: 4;
52     unsigned thou_year		: 4;
53     unsigned hun_year		: 4;
54     unsigned char reserved_2[2];
55 } preset_time_reg_t;
56 
57 typedef struct
58 {
59     unsigned n_d0			: 2;
60     unsigned antenna_short_stat		: 1; /* 0 = fault */
61     unsigned antenna_open_stat		: 1; /* 0 = fault */
62     unsigned n_d1			: 1;
63     unsigned rate_gen_pulse_stat	: 1;
64     unsigned time_cmp_pulse_stat	: 1;
65     unsigned ext_event_stat		: 1;
66 
67 } hw_stat_reg_t;
68 
69 typedef struct
70 {
71     unsigned tens_us		: 4;
72     unsigned unit_us		: 4;
73     unsigned unit_ms		: 4;
74     unsigned hun_us		: 4;
75     unsigned char hw_stat;	/* hw_stat_reg_t hw_stat; */
76     unsigned char reserved_3;
77 
78     unsigned hun_ms		: 4;
79     unsigned tens_ms		: 4;
80     unsigned tens_sec		: 4;
81     unsigned unit_sec		: 4;
82     unsigned tens_min		: 4;
83     unsigned unit_min		: 4;
84     unsigned tens_hour		: 4;
85     unsigned unit_hour		: 4;
86 
87     unsigned tens_day		: 4;
88     unsigned unit_day		: 4;
89     unsigned status		: 4;
90     unsigned hun_day		: 4;
91     unsigned tens_year		: 4;
92     unsigned unit_year		: 4;
93     unsigned thou_year		: 4;
94     unsigned hun_year		: 4;
95 } time_freeze_reg_t;
96 
97 typedef struct
98 {
99     unsigned char off_low;
100     unsigned char off_high;
101     unsigned char reserved_4[2];
102 } sync_gen_off_reg_t;
103 
104 typedef struct
105 {
106     unsigned tens_min		: 4;
107     unsigned unit_min		: 4;
108     unsigned tens_hour		: 4;
109     unsigned unit_hour		: 4;
110     unsigned char sign_ascii;	/* '+' or '-' */
111     unsigned char reserved_5;
112 } local_off_t;
113 
114 /*
115  *  This structure can be used for both the position freeze
116  *  and position preset registers.
117  */
118 typedef struct
119 {
120     unsigned lat_tens_degee		: 4;
121     unsigned lat_unit_degee		: 4;
122     unsigned filler_0			: 4;
123     unsigned lat_hun_degree		: 4;
124     unsigned lat_tens_min		: 4;
125     unsigned lat_unit_min		: 4;
126     unsigned char lat_north_south;	/* 'N' or 'S' */
127 
128     unsigned filler_1			: 4;
129     unsigned lat_tenth_sec		: 4;
130     unsigned lat_tens_sec		: 4;
131     unsigned lat_unit_sec		: 4;
132     unsigned long_tens_degree		: 4;
133     unsigned long_unit_degree		: 4;
134     unsigned filler_2			: 4;
135     unsigned long_hun_degree		: 4;
136 
137     unsigned long_tens_min		: 4;
138     unsigned long_unit_min		: 4;
139     unsigned char long_east_west;	/* 'E' or 'W' */
140     unsigned filler_3			: 4;
141     unsigned long_tenth_sec		: 4;
142     unsigned long_tens_sec		: 4;
143     unsigned long_unit_sec		: 4;
144 
145     unsigned elv_tens_km		: 4;
146     unsigned elv_unit_km		: 4;
147     unsigned char elv_sign;		/* '+' or '-' */
148     unsigned elv_unit_m			: 4;
149     unsigned elv_tenth_m		: 4;
150     unsigned elv_hun_m			: 4;
151     unsigned elv_tens_m			: 4;
152 } pos_reg_t;
153 
154 typedef struct
155 {
156     unsigned char prn1_tens_units;
157     unsigned char prn1_reserved;
158     unsigned char lvl1_tenths_hundredths;
159     unsigned char lvl1_tens_units;
160 
161     unsigned char prn2_tens_units;
162     unsigned char prn2_reserved;
163     unsigned char lvl2_tenths_hundredths;
164     unsigned char lvl2_tens_units;
165 
166     unsigned char prn3_tens_units;
167     unsigned char prn3_reserved;
168     unsigned char lvl3_tenths_hundredths;
169     unsigned char lvl3_tens_units;
170 
171     unsigned char prn4_tens_units;
172     unsigned char prn4_reserved;
173     unsigned char lvl4_tenths_hundredths;
174     unsigned char lvl4_tens_units;
175 
176     unsigned char prn5_tens_units;
177     unsigned char prn5_reserved;
178     unsigned char lvl5_tenths_hundredths;
179     unsigned char lvl5_tens_units;
180 
181     unsigned char prn6_tens_units;
182     unsigned char prn6_reserved;
183     unsigned char lvl6_tenths_hundredths;
184     unsigned char lvl6_tens_units;
185 
186     unsigned char flag;
187     unsigned char reserved[3];
188 } sig_levels_t;
189 
190 typedef struct
191 {
192     unsigned tens_us		: 4;
193     unsigned unit_us		: 4;
194     unsigned unit_ms		: 4;
195     unsigned hun_us		: 4;
196     unsigned hun_ms		: 4;
197     unsigned tens_ms		: 4;
198     unsigned tens_sec		: 4;
199     unsigned unit_sec		: 4;
200 
201     unsigned tens_min		: 4;
202     unsigned unit_min		: 4;
203     unsigned tens_hour		: 4;
204     unsigned unit_hour		: 4;
205     unsigned tens_day		: 4;
206     unsigned unit_day		: 4;
207     unsigned stat		: 4;
208     unsigned hun_day		: 4;
209 
210     unsigned tens_year		: 4;
211     unsigned unit_year		: 4;
212     unsigned thou_year		: 4;
213     unsigned hun_year		: 4;
214     unsigned char reserved_5[2];
215 } ext_time_event_reg_t;
216 
217 typedef struct
218 {
219     unsigned tens_us	: 4;
220     unsigned unit_us	: 4;
221     unsigned unit_ms	: 4;
222     unsigned hun_us	: 4;
223     unsigned hun_ms	: 4;
224     unsigned tens_ms	: 4;
225     unsigned tens_sec	: 4;
226     unsigned unit_sec	: 4;
227 
228     unsigned tens_min	: 4;
229     unsigned unit_min	: 4;
230     unsigned tens_hour	: 4;
231     unsigned unit_hour	: 4;
232     unsigned tens_day	: 4;
233     unsigned unit_day	: 4;
234     unsigned mask	: 4;
235     unsigned hun_day	: 4;
236 } time_cmp_reg_t;
237 
238 typedef struct
239 {
240     unsigned char err_stat;
241     unsigned char no_def;
242     unsigned char oscillator_stat[2];
243 } diag_reg_t;
244 
245 typedef struct
246 {
247     unsigned res		:2;
248     unsigned rate_int_mask	:1;
249     unsigned cmp_int_mask	:1;
250     unsigned ext_int_mask	:1;
251     unsigned rate_stat_clr	:1;
252     unsigned cmp_stat_clr	:1;
253     unsigned ext_stat_clr	:1;
254     unsigned char reserved[3];
255 } hw_ctl_reg_t;
256 
257 typedef struct
258 {
259     unsigned  preset_pos_rdy	:1;
260     unsigned  sel_pps_ref	:1;
261     unsigned  sel_gps_ref	:1;
262     unsigned  sel_time_code	:1;
263     unsigned  gen_stp_run	:1;
264     unsigned  preset_time_rdy	:1;
265     unsigned  dst		:1;
266     unsigned  mode_sel		:1;
267 
268     unsigned  ctl_am_dc		:1;
269     unsigned  reserved		:3;
270     unsigned  input_code	:4;
271 
272     unsigned char rate_reserved;
273 
274     unsigned  rate_flag		:4;
275     unsigned  rate_reserved1	:4;
276 } conf_reg_t;
277 
278 typedef struct
279 {
280      unsigned char	mem_reserved[0xf8];
281 
282      hw_ctl_reg_t	hw_ctl_reg;
283 
284      time_freeze_reg_t  time_freeze_reg;
285 
286      pos_reg_t		pos_freeze_reg;
287 
288      conf_reg_t		conf_reg;
289 
290      diag_reg_t		diag_reg;
291 
292      local_off_t	local_offset;
293 
294      sync_gen_off_reg_t sync_gen_offset;
295 
296      unsigned char 	reserved[4];
297 
298      unsigned char 	config_reg2_ctl;
299 
300      unsigned char      reserved2[11];
301 
302      time_cmp_reg_t	time_compare_reg;
303 
304      unsigned char 	reserved3[24];
305 
306      preset_time_reg_t	preset_time_reg;
307 
308      pos_reg_t		preset_pos_reg;
309 
310      ext_time_event_reg_t extern_time_event_reg;
311 
312      unsigned char 	reserved4[24];
313 
314      sig_levels_t	signal_levels_reg;
315 
316      unsigned char	reserved5[12];
317 } tt_mem_space_t;
318 
319 #define TTIME_MEMORY_SIZE 0x200
320 
321 /*
322  *  Defines for register offsets
323  */
324 #define HW_CTL_REG		0x0f8
325 #define TIME_FREEZE_REG		0x0fc
326 #define HW_STAT_REG		0x0fe
327 #define POS_FREEZE_REG		0x108
328 #define CONFIG_REG_1		0x118
329 #define DIAG_REG		0x11c
330 #define LOCAL_OFF_REG		0x120
331 #define SYNC_GEN_OFF_REG	0x124
332 #define CONFIG_REG_2		0x12c
333 #define TIME_CMP_REG		0x138
334 #define PRESET_TIME_REG		0x158
335 #define PRESET_POS_REG		0x164
336 #define EXT_EVENT_REG		0x174
337 #define SIG_LVL_PRN1		0x198
338 #define SIG_LVL_PRN2		0x19c
339 #define SIG_LVL_PRN3		0x1a0
340 #define SIG_LVL_PRN4		0x1a4
341 #define SIG_LVL_PRN5		0x1a8
342 #define SIG_LVL_PRN6		0x1ac
343 #define SIG_LVL_FLAG		0x1b0
344 
345 /*
346  *  Defines for accessing the hardware status register.
347  */
348 #define HW_STAT_ANTENNA_SHORT		0	/* access the antenna short bit */
349 #define HW_STAT_ANTENNA_OPEN		1	/* access the antenna open bit */
350 #define HW_STAT_RATE_GEN_PULSE_STAT	2	/* access the rate gen pulse bit */
351 #define HW_STAT_TIME_CMP_PULSE_STAT	3	/* access the time cmp bit */
352 #define HW_STAT_EXT_EVENT_STAT		4	/* access the external event bit */
353 
354 /*
355  *  Defines for accessing the hardware control register
356  */
357 
358 #define HW_CTL_RATE_INT_MASK		0	/* access rate generator int mask */
359 #define HW_CTL_CMP_INT_MASK		1	/* access compare interrupt mask */
360 #define HW_CTL_EXT_INT_MASK		2	/* access external event interrupt mask */
361 #define HW_CTL_RATE_GEN_INT_CLEAR	3	/* access rate gen. interrupt clear field */
362 #define HW_CTL_TIME_CMP_INT_CLEAR	4	/* access time cmp interrupt clear field */
363 #define HW_CTL_EXT_EVENT_INT_CLEAR	5	/* access external event int clear field */
364 
365 /*
366  *  Defines for configuration register bit fields.
367  */
368 #define PRESET_POS_RDY_BIT		0	/* access the preset pos. rdy. bit */
369 #define SEL_1_PPS_REF_BIT		1	/* access the select 1 pps reference bit */
370 #define SEL_GPS_REF_BIT			2	/* access the select gps reference bit */
371 #define SEL_TIME_CODE_REF_BIT		3	/* access the select time code reference bit */
372 #define GEN_STOP_BIT			4	/* access the generator start/stop bit */
373 #define PRESET_TIME_RDY_BIT		5	/* access the preset time ready bit */
374 #define DST_BIT				6	/* access the DST bit */
375 #define MODE_SEL_BIT			7	/* access the mode select bit */
376 #define AM_DC_BIT			8	/* access the code bits AM/DC bit */
377 #define IN_CODE_SEL_BIT			9	/* access the input code select bit */
378 #define FLAG_BIT			10	/* access the flag bit */
379 
380 /*
381  * The following defines are used to set modes in the
382  * configuration register.
383  */
384 
385 #define CONF_SET_AM			0	/* Set code to AM   */
386 #define CONF_SET_DC			1	/* Set code to DC   */
387 #define CONF_SET_IRIG_B			0	/* Set code IRIG B  */
388 #define CONF_SET_IRIG_A			1	/* Set code IRIG A  */
389 
390 #define CONF_FLAG_DISABLE		0	/* Disable pulse        */
391 #define CONF_FLAG_10K_PPS		1	/* Set rate to 10k PPS  */
392 #define CONF_FLAG_1K_PPS		2	/* Set rate to 1k PPS   */
393 #define CONF_FLAG_100_PPS		3	/* Set rate to 100 PPS  */
394 #define CONF_FLAG_10_PPS		4	/* Set rate to 10 PPS   */
395 #define CONF_FLAG_1_PPS			5	/* Set rate to 1 PPS    */
396 
397 /*
398  *  Defines for read commands
399  */
400 
401 #define TT_RD_FREEZE_REG	0x01
402 #define TT_RD_HW_CTL_REG	0x02
403 #define TT_RD_CNFG_REG		0x03
404 #define TT_RD_DIAG_REG		0x04
405 #define TT_RD_LCL_OFFSET	0x05
406 #define TT_RD_SYNC_GEN_OFF	0x06
407 #define TT_RD_CNFG_REG_2	0x07
408 #define TT_RD_TIME_CMP_REG	0x08
409 #define TT_RD_PRESET_REG	0x09
410 #define TT_RD_EXT_EVNT_REG	0x0a
411 #define TT_RD_SIG_LVL_REG	0x0b
412 
413 /*
414  *  Defines for write commands
415  */
416 #define TT_WRT_FREEZE_REG	0x0c
417 #define TT_WRT_HW_CTL_REG	0x0d
418 #define TT_WRT_CNFG_REG		0x0e
419 #define TT_WRT_DIAG_REG		0x0f
420 #define TT_WRT_LCL_OFFSET	0x10
421 #define TT_WRT_SYNC_GEN_OFF	0x11
422 #define TT_WRT_CNFG_REG_2	0x12
423 #define TT_WRT_TIME_CMP_REG	0x13
424 #define TT_WRT_PRESET_REG	0x14
425 #define TT_WRT_EXT_EVNT_REG	0x15
426 #define TT_WRT_SIG_LVL_REG	0x16
427 
428 /*
429  *  Define the length of the buffers to move (in 32 bit words).
430  */
431 
432 #define HW_CTL_REG_LEN		1
433 #define CNFG_REG_1_LEN		1
434 #define DIAG_REG_LEN		1
435 #define LCL_OFFSET_LEN		1
436 #define SYNC_GEN_OFF_LEN	1
437 #define CNFG_REG_2_LEN		1
438 
439 #define TIME_CMP_REG_LEN	2
440 #define PRESET_TIME_REG_LEN	3
441 #define PRESET_POS_REG_LEN	4
442 #define PRESET_REG_LEN		(PRESET_TIME_REG_LEN+PRESET_POS_REG_LEN)
443 #define TIME_FREEZE_REG_LEN	3
444 #define POSN_FREEZE_REG_LEN	4
445 #define FREEZE_REG_LEN		(TIME_FREEZE_REG_LEN+POSN_FREEZE_REG_LEN)
446 #define EXT_EVNT_REG_LEN	3
447 #define	SIG_LVL_REG_LEN		7
448 #define	GPS_TIME_LEN		7
449 
450 /*
451  * Define BCD - INT - BCD macros.
452  */
453 
454 #define BCDTOI(a)	( ( ( ( (a) & 0xf0 ) >> 4 ) * 10 )  + ( (a) & 0x0f ) )
455 #define ITOBCD(a)	( ( ( (           (a) ) / 10) << 4 ) + ( (           (a) ) % 10) )
456 #define LTOBCD(a)	( ( ( ( (uint64_t)(a) ) / 10) << 4 ) + ( ( (uint64_t)(a) ) % 10) )
457 
458 extern int  init_560                  (                      );
459 extern void close_560                 (                      );
460 extern int  write_hw_ctl_reg          (hw_ctl_reg_t         *);
461 extern int  write_hw_ctl_reg_bitfield (int, int              );
462 extern int  read_conf_reg             (conf_reg_t           *);
463 extern int  read_conf_reg_bitfield    (int                   );
464 extern int  write_conf_reg            (conf_reg_t           *);
465 extern int  write_conf_reg_bitfield   (int, unsigned char    );
466 extern int  read_hw_stat_reg_bitfield (int                   );
467 extern int  read_local_offset_reg     (local_off_t          *);
468 extern int  write_local_offset_reg    (local_off_t          *);
469 extern int  read_sync_offset_reg      (sync_gen_off_reg_t   *);
470 extern int  write_sync_offset_reg     (sync_gen_off_reg_t   *);
471 extern int  read_time_cmp_reg         (time_cmp_reg_t       *);
472 extern int  write_time_cmp_reg        (time_cmp_reg_t       *);
473 extern int  read_preset_time_reg      (preset_time_reg_t    *);
474 extern int  write_preset_time_reg     (preset_time_reg_t    *);
475 extern int  reset_time                (                      );
476 extern int  set_new_time              (preset_time_reg_t    *);
477 extern int  read_preset_position_reg  (pos_reg_t            *);
478 extern int  write_preset_position_reg (pos_reg_t            *);
479 extern int  read_external_event_reg   (ext_time_event_reg_t *);
480 extern int  read_signal_level_reg     (sig_levels_t         *);
481 extern int  freeze_time               (                      );
482 extern int  snapshot_time             (time_freeze_reg_t    *);
483 extern int  read_position_freeze_reg  (pos_reg_t            *);
484 extern int  read_diag_reg             (diag_reg_t           *);
485 
486 #ifdef CPP
487 }
488 #endif
489 #endif
490