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comparison src/cs/drivers/drv_app/r2d/lcds/E_Sample/lcd_if.h @ 0:b6a5e36de839

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src/cs: initial import from Magnetite
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 15 Jul 2018 04:39:26 +0000
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1 /******************************************************************************
2 * WIRELESS COMMUNICATION SYSTEM DEVELOPMENT
3 *
4 * (C) 2002 Texas Instruments France. All rights reserved
5 *
6 * Author : Philippe MARTINEZ
7 *
8 *
9 * Important Note
10 * --------------
11 *
12 * This S/W is a preliminary version. It contains information on a product
13 * under development and is issued for evaluation purposes only. Features
14 * characteristics, data and other information are subject to change.
15 *
16 * The S/W is furnished under Non Disclosure Agreement and may be used or
17 * copied only in accordance with the terms of the agreement. It is an offence
18 * to copy the software in any way except as specifically set out in the
19 * agreement. No part of this document may be reproduced or transmitted in any
20 * form or by any means, electronic or mechanical, including photocopying and
21 * recording, for any purpose without the express written permission of Texas
22 * Instruments Inc.
23 *
24 ******************************************************************************
25 *
26 * FILE NAME: lcd_if.h
27 *
28 *
29 * PURPOSE: Header file for the LCD Interface Driver.
30 *
31 *
32 * FILE REFERENCES:
33 *
34 * Name IO Description
35 * ------------- -- ---------------------------------------------
36 *
37 *
38 *
39 * EXTERNAL VARIABLES:
40 *
41 * Source:
42 *
43 * Name Type IO Description
44 * ------------- --------------- -- ------------------------------
45 *
46 *
47 *
48 * EXTERNAL REFERENCES:
49 *
50 * Name Description
51 * ------------------ -------------------------------------------------------
52 *
53 *
54 *
55 * ABNORMAL TERMINATION CONDITIONS, ERROR AND WARNING MESSAGES:
56 *
57 *
58 *
59 * ASSUMPTION, CONSTRAINTS, RESTRICTIONS:
60 *
61 *
62 *
63 * NOTES:
64 *
65 *
66 *
67 * REQUIREMENTS/FUNCTIONAL SPECIFICATION REFERENCES:
68 *
69 *
70 *
71 *
72 * DEVELOPMENT HISTORY:
73 *
74 * Date Name(s) Version Description
75 * ----------- -------------- ------- -------------------------------------
76 * 30-Oct-2002 Philippe MARINTEZ 0.0.1 First implementation
77 *
78 * ALGORITHM:
79 *
80 *
81 *****************************************************************************/
82
83 #include <stdlib.h>
84
85 #include "main/sys_types.h"
86
87
88 /****************************************************************************
89 * GENERAL CONSTANTS
90 ***************************************************************************/
91 #ifndef C_MAP_LCD_IF_BASE
92 #define C_MAP_LCD_IF_BASE 0xFFFFA000L // LCD registers
93 #endif
94
95 /* driver version */
96
97 #define C_LCD_IF_DRIVER_VERSION ( 0x0001 )
98
99 /* LCD Interface Tx FIFO size */
100
101 #define C_LCD_IF_TX_FIFO_SIZE ( 128 )
102
103 /* infinite while loop constant */
104
105 #define C_LCD_IF_INFINITE_LOOP ( 1 )
106
107 /****************************************************************************
108 * Definition of the LCD Interface registers
109 ***************************************************************************/
110
111 /* LCD IF CNTL_REG */
112
113 #define C_LCD_IF_CNTL_REG ( C_MAP_LCD_IF_BASE )
114
115 #define C_LCD_IF_CNTL_REG_SOFT_NRST_POS ( 0 )
116 #define C_LCD_IF_CNTL_REG_SOFT_NRST_MASK ( 0x0001 )
117 #define C_LCD_IF_CNTL_REG_SOFT_NRST_INIT ( 0x1 )
118
119 #define C_LCD_IF_CNTL_REG_CLOCK13_EN_POS ( 1 )
120 #define C_LCD_IF_CNTL_REG_CLOCK13_EN_MASK ( 0x0002 )
121 #define C_LCD_IF_CNTL_REG_CLOCK13_EN_INIT ( 0x1 )
122
123 #define C_LCD_IF_CNTL_REG_TX_CLOCK_DIV_POS ( 2 )
124 #define C_LCD_IF_CNTL_REG_TX_CLOCK_DIV_MASK ( 0x000C )
125 #define C_LCD_IF_CNTL_REG_TX_CLOCK_DIV_INIT ( 0x0 )
126
127 #define C_LCD_IF_CNTL_REG_RX_CLOCK_DIV_POS ( 4 )
128 #define C_LCD_IF_CNTL_REG_RX_CLOCK_DIV_MASK ( 0x0030 )
129 #define C_LCD_IF_CNTL_REG_RX_CLOCK_DIV_INIT ( 0x0 )
130
131 #define C_LCD_IF_CNTL_REG_FIFO_EMPTY_IT_EN_POS ( 6 )
132 #define C_LCD_IF_CNTL_REG_FIFO_EMPTY_IT_EN_MASK ( 0x0040 )
133 #define C_LCD_IF_CNTL_REG_FIFO_EMPTY_IT_EN_INIT ( 0x0 )
134
135 #define C_LCD_IF_CNTL_REG_LCD_READ_EVENT_IT_EN_POS ( 7 )
136 #define C_LCD_IF_CNTL_REG_LCD_READ_EVENT_IT_EN_MASK ( 0x0080 )
137 #define C_LCD_IF_CNTL_REG_LCD_READ_EVENT_IT_EN_INIT ( 0x0 )
138
139 #define C_LCD_IF_CNTL_REG_DMA_EN_POS ( 8 )
140 #define C_LCD_IF_CNTL_REG_DMA_EN_MASK ( 0x0100 )
141 #define C_LCD_IF_CNTL_REG_DMA_EN_INIT ( 0x0 )
142
143 #define C_LCD_IF_CNTL_REG_MODE_POS ( 9 )
144 #define C_LCD_IF_CNTL_REG_MODE_MASK ( 0x0200 )
145 #define C_LCD_IF_CNTL_REG_MODE_INIT ( 0x0 )
146
147 #define C_LCD_IF_CNTL_REG_FLIP_BYTES_POS ( 10 )
148 #define C_LCD_IF_CNTL_REG_FLIP_BYTES_MASK ( 0x0400 )
149 #define C_LCD_IF_CNTL_REG_FLIP_BYTES_INIT ( 0x0 )
150
151 #define C_LCD_IF_CNTL_REG_SUSPEND_EN_POS ( 11 )
152 #define C_LCD_IF_CNTL_REG_SUSPEND_EN_MASK ( 0x0800 )
153 #define C_LCD_IF_CNTL_REG_SUSPEND_EN_INIT ( 0x1 )
154
155 #define C_LCD_IF_CNTL_REG_MIN_FRAME_SIZE_POS ( 12 )
156 #define C_LCD_IF_CNTL_REG_MIN_FRAME_SIZE_MASK ( 0x3000 )
157 #define C_LCD_IF_CNTL_REG_MIN_FRAME_SIZE_INIT ( 0x3 )
158
159 #define C_LCD_IF_CNTL_REG_N_DUMMY_POS ( 14 )
160 #define C_LCD_IF_CNTL_REG_N_DUMMY_MASK ( 0xC000 )
161 #define C_LCD_IF_CNTL_REG_N_DUMMY_INIT ( 0x1 )
162
163
164 /* LCD IF LCD_CNTL_REG */
165
166 #define C_LCD_IF_LCD_CNTL_REG ( C_MAP_LCD_IF_BASE + 0x02 )
167
168 #define C_LCD_IF_LCD_CNTL_REG_LCD_NCS0_POS ( 0 )
169 #define C_LCD_IF_LCD_CNTL_REG_LCD_NCS0_MASK ( 0x0001 )
170 #define C_LCD_IF_LCD_CNTL_REG_LCD_NCS0_INIT ( 0x1 )
171
172 #define C_LCD_IF_LCD_CNTL_REG_LCD_RS_POS ( 1 )
173 #define C_LCD_IF_LCD_CNTL_REG_LCD_RS_MASK ( 0x0002 )
174 #define C_LCD_IF_LCD_CNTL_REG_LCD_RS_INIT ( 0x0 )
175
176 #define C_LCD_IF_LCD_CNTL_REG_LCD_START_READ_POS ( 2 )
177 #define C_LCD_IF_LCD_CNTL_REG_LCD_START_READ_MASK ( 0x0004 )
178 #define C_LCD_IF_LCD_CNTL_REG_LCD_START_READ_INIT ( 0x0 )
179 #define C_LCD_IF_LCD_CNTL_REG_LCD_START_READ_EN ( 0x1 )
180
181 #define C_LCD_IF_LCD_CNTL_REG_LCD_NRESET_POS ( 3 )
182 #define C_LCD_IF_LCD_CNTL_REG_LCD_NRESET_MASK ( 0x0008 )
183 #define C_LCD_IF_LCD_CNTL_REG_LCD_NRESET_INIT ( 0x0 )
184
185 #define C_LCD_IF_LCD_CNTL_REG_LCD_NCS1_POS ( 4 )
186 #define C_LCD_IF_LCD_CNTL_REG_LCD_NCS1_MASK ( 0x0010 )
187 #define C_LCD_IF_LCD_CNTL_REG_LCD_NCS1_INIT ( 0x1 )
188
189 /* LCD IF LCD_IF_STS_REG */
190
191 #define C_LCD_IF_STS_REG ( C_MAP_LCD_IF_BASE + 0x04 )
192
193 #define C_LCD_IF_STS_REG_FIFO_EMPTY_STATUS_POS ( 0 )
194 #define C_LCD_IF_STS_REG_FIFO_EMPTY_STATUS_MASK ( 0x0001 )
195
196 #define C_LCD_IF_STS_REG_FIFO_FULL_STATUS_POS ( 1 )
197 #define C_LCD_IF_STS_REG_FIFO_FULL_STATUS_MASK ( 0x0002 )
198
199 #define C_LCD_IF_STS_REG_LCD_READ_EVENT_STATUS_POS ( 2 )
200 #define C_LCD_IF_STS_REG_LCD_READ_EVENT_STATUS_MASK ( 0x0004 )
201
202 /* LCD IF WR_FIFO */
203 #define C_LCD_IF_WR_FIFO ( C_MAP_LCD_IF_BASE + 0x06 )
204
205 #define C_LCD_IF_WR_FIFO_DATA_TX_LSB_POS ( 0 )
206 #define C_LCD_IF_WR_FIFO_DATA_TX_LSB_MASK ( 0x00FF )
207
208 #define C_LCD_IF_WR_FIFO_DATA_TX_MSB_POS ( 8 )
209 #define C_LCD_IF_WR_FIFO_DATA_TX_MSB_MASK ( 0xFF00 )
210
211 /* LCD IF RD_REG */
212 #define C_LCD_IF_RD_REG ( C_MAP_LCD_IF_BASE + 0x08 )
213
214 #define C_LCD_IF_RD_REG_DATA_RX_LSB_POS ( 0 )
215 #define C_LCD_IF_RD_REG_DATA_RX_LSB_MASK ( 0x00FF )
216
217 #define C_LCD_IF_RD_REG_DATA_RX_MSB_POS ( 8 )
218 #define C_LCD_IF_RD_REG_DATA_RX_MSB_MASK ( 0xFF00 )
219
220 /****************************************************************************
221 * MACRO DEFINITION
222 ***************************************************************************/
223
224 /****************************************************************************
225 *
226 * MACRO NAME: F_LCD_IF_WRITE_IN_FIFO
227 * Write d_data into WR_FIFO register.
228 *
229 *
230 * ARGUMENT LIST:
231 *
232 * Argument Description
233 * ------------ ----------------------------------------------------------
234 * d_data 16 boits word data (SYS_UWORD16)
235 *
236 * RETURN VALUE: None
237 *
238 ***************************************************************************/
239
240 #define F_LCD_IF_WRITE_IN_FIFO( d_data ) *(volatile SYS_UWORD16* ) C_LCD_IF_WR_FIFO = d_data
241
242 /****************************************************************************
243 *
244 * MACRO NAME: F_LCD_IF_TX_FIFO_EMPTY_STATUS
245 * Return the LCD Interface TX FIFO Empty status.
246 *
247 *
248 * ARGUMENT LIST:
249 *
250 * Argument Description
251 * ------------ ----------------------------------------------------------
252 * None.
253 *
254 * RETURN VALUE: SYS_UWORD8 : Tx FIFO empty status (0 or 1)
255 *
256 ***************************************************************************/
257
258 #define F_LCD_IF_TX_FIFO_EMPTY_STATUS \
259 ( SYS_UWORD8 )((* (volatile SYS_UWORD16 *) C_LCD_IF_STS_REG) & C_LCD_IF_STS_REG_FIFO_EMPTY_STATUS_MASK)
260
261 /****************************************************************************
262 * TYPE AND STRUCTURE DEFINITION
263 ***************************************************************************/
264
265 /* type definition for LCD Clock divider */
266
267 typedef SYS_UWORD8 E_LCD_IF_CLOCK_DIVIDER;
268
269 #define C_LCD_IF_DIV8 ( 0 )
270 #define C_LCD_IF_DIV4 ( 1 )
271 #define C_LCD_IF_DIV2 ( 2 )
272 #define C_LCD_IF_DIV1 ( 3 )
273
274 /* type definition for LCD interface mode */
275
276 typedef SYS_UWORD8 E_LCD_IF_MODE;
277
278 #define C_LCD_IF_68000_MODE ( 0 )
279 #define C_LCD_IF_8086_MODE ( 1 )
280
281 /* type definition for LCD Interface flip bytes */
282
283 typedef SYS_UWORD8 E_LCD_IF_FLIP;
284
285 #define C_LCD_IF_MSB_FIRST ( 0 )
286 #define C_LCD_IF_LSB_FIRST ( 1 )
287
288 /* type definition for Instruction Selection line level */
289
290 typedef SYS_UWORD8 E_LCD_IF_ISLL;
291
292 #define C_LCD_IF_LOW ( 0 )
293 #define C_LCD_IF_HIGH ( 1 )
294
295 /* type definition for Minimum frame size */
296
297 typedef SYS_UWORD8 E_LCD_IF_FRAME_SZ;
298
299 #define C_LCD_IF_16_WORDS ( 0 )
300 #define C_LCD_IF_32_WORDS ( 1 )
301 #define C_LCD_IF_64_WORDS ( 2 )
302 #define C_LCD_IF_128_WORDS ( 3 )
303
304 /* type definition for Read dummy cycle */
305
306 typedef SYS_UWORD8 E_LCD_IF_DUMMY_CYCLE;
307
308 #define C_LCD_IF_0_CYCLE ( 0 )
309 #define C_LCD_IF_1_CYCLE ( 1 )
310 #define C_LCD_IF_2_CYCLES ( 2 )
311
312 /* Initialization sub structure for Transmit */
313
314 typedef struct {
315 E_LCD_IF_CLOCK_DIVIDER d_clock_divider;
316 } T_LCD_IF_INIT_TX;
317
318 /* Initialization sub structure for Receive */
319
320 typedef struct {
321 E_LCD_IF_CLOCK_DIVIDER d_clock_divider;
322 E_LCD_IF_DUMMY_CYCLE d_dummy_cycles;
323 } T_LCD_IF_INIT_RX;
324
325 /* LCD Interface Driver Initialization structure */
326
327 typedef struct {
328 E_LCD_IF_MODE d_mode;
329 E_LCD_IF_FLIP b_flip_bytes;
330 E_LCD_IF_ISLL d_isll ;
331 T_LCD_IF_INIT_TX d_tx_init;
332 T_LCD_IF_INIT_RX d_rx_init;
333 } T_LCD_IF_INIT;
334
335 /* type definition for the LCD Chip select */
336
337 typedef SYS_UWORD8 E_LCD_IF_CS;
338
339 #define C_LCD_IF_CS0 ( 0 )
340 #define C_LCD_IF_CS1 ( 1 )
341 #define C_LCD_IF_CS_NOT_SELECTED ( 2 )
342
343 /* type definition for the LCD data type */
344
345 typedef SYS_UWORD8 E_LCD_IF_DATA_TYPE;
346
347 #define C_LCD_IF_INSTRUCTION ( 0 )
348 #define C_LCD_IF_DISPLAY ( 1 )
349
350 /* type definition for the current LCD driver internal state */
351
352 typedef SYS_UWORD8 E_LCD_IF_STATUS;
353
354 #define C_LCD_IF_IDLE ( 0 )
355 #define C_LCD_IF_RUNNING ( 1 )
356
357 /* type definition for the callback function return parameter */
358
359 typedef SYS_UWORD8 E_LCD_IF_CALLBACK_RET;
360
361 #define C_LCD_IF_CALLBACK_OK ( 0 )
362 #define C_LCD_IF_CALLBACK_DISABLE_IT ( 1 )
363
364 /* Type definition for the ON / OFF levels */
365
366 typedef SYS_UWORD8 E_LCD_IF_RESET;
367
368 #define C_LCD_IF_ON ( 0 )
369 #define C_LCD_IF_OFF ( 1 )
370
371 /* Type definition for the ON / OFF levels */
372
373 typedef SYS_UWORD8 E_LCD_IF_CLOCK;
374
375 #define C_LCD_IF_CLOCK_ON ( 1 )
376 #define C_LCD_IF_CLOCK_OFF ( 0 )
377
378 /* type definition for callback function */
379
380 typedef E_LCD_IF_CALLBACK_RET (*T_LCD_IF_CALLBACK)( void );
381
382 /* type definition for the LCD IF API function return parameter */
383
384 typedef SYS_UWORD8 E_LCD_IF_RET;
385
386 #define C_LCD_IF_RET_OK ( 0 )
387 #define C_LCD_IF_RET_ERR ( 1 )
388
389 /****************************************************************************
390 * INTERANL MACRO DEFINITION
391 ***************************************************************************/
392
393 /****************************************************************************
394 *
395 * MACRO NAME: F_LCD_IF_WAIT_LCD_IF_RESET
396 * Loop that wait for the read status.
397 *
398 *
399 * ARGUMENT LIST:
400 *
401 * Argument Description
402 * ------------ ----------------------------------------------------------
403 * None
404 *
405 * RETURN VALUE: None
406 *
407 ***************************************************************************/
408
409 #define F_LCD_IF_WAIT_LCD_IF_RESET \
410 while( ((*(volatile SYS_UWORD16*) C_LCD_IF_CNTL_REG) & C_LCD_IF_CNTL_REG_SOFT_NRST_MASK) \
411 != C_LCD_IF_CNTL_REG_SOFT_NRST_MASK )
412
413 /****************************************************************************
414 *
415 * MACRO NAME: F_LCD_IF_WAIT_TX_FIFO_EMPTY
416 * Loop that wait for the TX FIFO EMPTY status set to 1.
417 *
418 *
419 * ARGUMENT LIST:
420 *
421 * Argument Description
422 * ------------ ----------------------------------------------------------
423 * None
424 *
425 * RETURN VALUE: None
426 *
427 ***************************************************************************/
428
429 #define F_LCD_IF_WAIT_TX_FIFO_EMPTY \
430 while( ((*(volatile SYS_UWORD16*) C_LCD_IF_STS_REG) & C_LCD_IF_STS_REG_FIFO_EMPTY_STATUS_MASK) \
431 != C_LCD_IF_STS_REG_FIFO_EMPTY_STATUS_MASK )
432
433
434 /****************************************************************************
435 *
436 * MACRO NAME: F_LCD_IF_WAIT_READ_STATUS
437 * Loop that wait for the Read status set to 1.
438 *
439 *
440 * ARGUMENT LIST:
441 *
442 * Argument Description
443 * ------------ ----------------------------------------------------------
444 * None
445 *
446 * RETURN VALUE: None
447 *
448 ***************************************************************************/
449
450 #define F_LCD_IF_WAIT_READ_STATUS \
451 while( ((*(volatile SYS_UWORD16*) C_LCD_IF_STS_REG) & C_LCD_IF_STS_REG_LCD_READ_EVENT_STATUS_MASK) \
452 != C_LCD_IF_STS_REG_LCD_READ_EVENT_STATUS_MASK )
453
454 /****************************************************************************
455 *
456 * MACRO NAME: F_LCD_IF_ENABLE_TX_FIFO_EMPTY_IT
457 * Enables the LCD Interface Tx FIFO Empty Interrupt.
458 *
459 *
460 * ARGUMENT LIST:
461 *
462 * Argument Description
463 * ------------ ----------------------------------------------------------
464 * None
465 *
466 * RETURN VALUE: None
467 *
468 ***************************************************************************/
469
470 #define F_LCD_IF_ENABLE_TX_FIFO_EMPTY_IT \
471 ((*(volatile SYS_UWORD16*) C_LCD_IF_CNTL_REG) |= C_LCD_IF_CNTL_REG_FIFO_EMPTY_IT_EN_MASK )
472
473
474 /****************************************************************************
475 *
476 * MACRO NAME: F_LCD_IF_DISABLE_TX_FIFO_EMPTY_IT
477 * Disables the LCD Interface Tx FIFO Empty Interrupt.
478 *
479 *
480 * ARGUMENT LIST:
481 *
482 * Argument Description
483 * ------------ ----------------------------------------------------------
484 * None
485 *
486 * RETURN VALUE: None
487 *
488 ***************************************************************************/
489
490 #define F_LCD_IF_DISABLE_TX_FIFO_EMPTY_IT \
491 ((*(volatile SYS_UWORD16*) C_LCD_IF_CNTL_REG) &= ~C_LCD_IF_CNTL_REG_FIFO_EMPTY_IT_EN_MASK )
492
493 /****************************************************************************
494 *
495 * MACRO NAME: F_LCD_IF_ENABLE_DMA
496 * Enables the LCD Interface DMA capabilities.
497 *
498 *
499 * ARGUMENT LIST:
500 *
501 * Argument Description
502 * ------------ ----------------------------------------------------------
503 * None
504 *
505 * RETURN VALUE: None
506 *
507 ***************************************************************************/
508
509 #define F_LCD_IF_ENABLE_DMA \
510 ((*(volatile SYS_UWORD16*) C_LCD_IF_CNTL_REG) |= C_LCD_IF_CNTL_REG_DMA_EN_MASK )
511
512 /****************************************************************************
513 *
514 * MACRO NAME: F_LCD_IF_DISABLE_DMA
515 * Disable the LCD Interface DMA capabilities.
516 *
517 *
518 * ARGUMENT LIST:
519 *
520 * Argument Description
521 * ------------ ----------------------------------------------------------
522 * None
523 *
524 * RETURN VALUE: None
525 *
526 ***************************************************************************/
527
528 #define F_LCD_IF_DISABLE_DMA \
529 ((*(volatile SYS_UWORD16*) C_LCD_IF_CNTL_REG) &= ~C_LCD_IF_CNTL_REG_DMA_EN_MASK )
530
531
532
533 /****************************************************************************
534 * INTERNAL TYPE AND STRUCTURES
535 ***************************************************************************/
536
537 /* type definition for the Data Access */
538
539 typedef SYS_UWORD8 E_LCD_IF_DATA_ACCESS;
540
541 #define C_LCD_IF_READ ( 1 )
542 #define C_LCD_IF_WRITE ( 0 )
543
544 /* type definition for the current LCD driver internal state */
545
546 typedef SYS_UWORD8 E_LCD_IF_STATE;
547
548 #define C_LCD_IF_IDLE ( 0 )
549 #define C_LCD_IF_IT_CUST ( 1 )
550 #define C_LCD_IF_IT_BUFF ( 2 )
551
552 /* type definition Transmit sub structure */
553
554 typedef struct {
555 E_LCD_IF_CLOCK_DIVIDER d_clock_divider;
556 T_LCD_IF_CALLBACK p_callback;
557 SYS_UWORD16 *p_buffer;
558 SYS_UWORD32 d_buffer_size;
559 } T_LCD_IF_TX;
560
561 /* type definition Receive sub structure */
562
563 typedef struct {
564 E_LCD_IF_CLOCK_DIVIDER d_clock_divider;
565 E_LCD_IF_DUMMY_CYCLE d_dummy_cycles;
566 } T_LCD_IF_RX;
567
568 /* type definition LCD Interface Driver Chip select structure */
569
570 typedef struct {
571 E_LCD_IF_MODE d_mode;
572 E_LCD_IF_FLIP b_flip_bytes;
573 E_LCD_IF_ISLL d_isll ;
574 T_LCD_IF_TX d_tx;
575 T_LCD_IF_RX d_rx;
576 SYS_UWORD16 d_cntl_reg;
577 SYS_UWORD16 d_lcd_cntl_reg;
578 } T_LCD_IF_CS_INIT;
579
580 /* type definition LCD Interface Driver Internal structure */
581
582 #define C_LCD_IF_CS_NUMBER (2)
583
584 typedef struct {
585 T_LCD_IF_CS_INIT d_cs_struct[C_LCD_IF_CS_NUMBER];
586 E_LCD_IF_CS d_current_cs;
587 E_LCD_IF_STATE d_interrupt_state;
588 } T_LCD_IF_INTERNAL;
589
590 /****************************************************************************
591 * GLOBAL VARIABLES REFERENCE
592 ***************************************************************************/
593
594
595 /****************************************************************************
596 * PROTOTYPE DEFINITION
597 ***************************************************************************/
598
599 /*
600 * 16-BIS functions
601 */
602
603 extern void f_lcd_if_init( E_LCD_IF_CS d_cs, T_LCD_IF_INIT *p_init );
604
605 extern void f_lcd_if_reset( void );
606
607 extern void f_lcd_if_reset_lcd_controller( E_LCD_IF_CS d_cs,
608 E_LCD_IF_RESET d_reset );
609
610 extern void f_lcd_if_clock( E_LCD_IF_CLOCK d_clock_switch );
611
612 extern void f_lcd_if_poll_write( E_LCD_IF_CS d_cs,
613 SYS_UWORD16 *p_data,
614 SYS_UWORD32 d_size,
615 E_LCD_IF_DATA_TYPE d_type );
616
617 extern SYS_UWORD16 f_lcd_if_poll_read( E_LCD_IF_CS d_cs,
618 E_LCD_IF_DATA_TYPE d_type );
619
620 extern E_LCD_IF_RET f_lcd_if_it_write_cust( E_LCD_IF_CS d_cs,
621 E_LCD_IF_DATA_TYPE d_type,
622 T_LCD_IF_CALLBACK pf_callback_tx );
623
624 extern E_LCD_IF_RET f_lcd_if_it_write( E_LCD_IF_CS d_cs,
625 SYS_UWORD16 *p_buffer,
626 SYS_UWORD32 d_size,
627 E_LCD_IF_DATA_TYPE d_type,
628 T_LCD_IF_CALLBACK pf_callback_sts );
629
630 extern void f_lcd_if_dma_enable( E_LCD_IF_CS d_cs,
631 E_LCD_IF_FRAME_SZ d_min_frame_sz,
632 E_LCD_IF_DATA_TYPE d_type );
633
634 extern E_LCD_IF_RET f_lcd_if_dma_disable( E_LCD_IF_CS d_cs,
635 T_LCD_IF_CALLBACK pf_callback_sts );
636
637 extern SYS_UWORD16 f_lcd_if_get_version( void );
638
639 /*
640 * 32-BIS functions
641 */
642
643 extern void f_lcd_if_it_handler( void );
644
645
646 extern void f_lcd_if_initialization( void );