]>
git.ipfire.org Git - people/ms/u-boot.git/blob - board/netphone/phone_console.c
2 * (C) Copyright 2004 Intracom S.A.
3 * Pantelis Antoniou <panto@intracom.gr>
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * A phone based console
29 * Virtual display of 80x24 characters.
30 * The actual display is much smaller and panned to show the virtual one.
31 * Input is made by a numeric keypad utilizing the input method of
32 * mobile phones. Sorry no T9 lexicons...
39 #include <linux/types.h>
44 /*************************************************************************************************/
49 #define REFRESH_HZ (CFG_HZ/50) /* refresh every 20ms */
50 #define BLINK_HZ (CFG_HZ/2) /* cursor blink every 500ms */
52 /*************************************************************************************************/
54 #define DISPLAY_BACKLIT_PORT ((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat
55 #define DISPLAY_BACKLIT_MASK 0x0010
57 /*************************************************************************************************/
59 #define KP_STABLE_HZ (CFG_HZ/100) /* stable for 10ms */
60 #define KP_REPEAT_DELAY_HZ (CFG_HZ/4) /* delay before repeat 250ms */
61 #define KP_REPEAT_HZ (CFG_HZ/20) /* repeat every 50ms */
62 #define KP_FORCE_DELAY_HZ (CFG_HZ/2) /* key was force pressed */
63 #define KP_IDLE_DELAY_HZ (CFG_HZ/2) /* key was released and idle */
65 #if CONFIG_NETPHONE_VERSION == 1
66 #define KP_SPI_RXD_PORT (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat)
67 #define KP_SPI_RXD_MASK 0x0008
69 #define KP_SPI_TXD_PORT (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat)
70 #define KP_SPI_TXD_MASK 0x0004
72 #define KP_SPI_CLK_PORT (((volatile immap_t *)CFG_IMMR)->im_ioport.iop_pcdat)
73 #define KP_SPI_CLK_MASK 0x0001
74 #elif CONFIG_NETPHONE_VERSION == 2
75 #define KP_SPI_RXD_PORT (((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat)
76 #define KP_SPI_RXD_MASK 0x00000008
78 #define KP_SPI_TXD_PORT (((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat)
79 #define KP_SPI_TXD_MASK 0x00000004
81 #define KP_SPI_CLK_PORT (((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pbdat)
82 #define KP_SPI_CLK_MASK 0x00000002
85 #define KP_CS_PORT (((volatile immap_t *)CFG_IMMR)->im_cpm.cp_pedat)
86 #define KP_CS_MASK 0x00000010
88 #define KP_SPI_RXD() (KP_SPI_RXD_PORT & KP_SPI_RXD_MASK)
90 #define KP_SPI_TXD(x) \
93 KP_SPI_TXD_PORT |= KP_SPI_TXD_MASK; \
95 KP_SPI_TXD_PORT &= ~KP_SPI_TXD_MASK; \
98 #define KP_SPI_CLK(x) \
101 KP_SPI_CLK_PORT |= KP_SPI_CLK_MASK; \
103 KP_SPI_CLK_PORT &= ~KP_SPI_CLK_MASK; \
106 #define KP_SPI_CLK_TOGGLE() (KP_SPI_CLK_PORT ^= KP_SPI_CLK_MASK)
108 #define KP_SPI_BIT_DELAY() /* no delay */
113 KP_CS_PORT |= KP_CS_MASK; \
115 KP_CS_PORT &= ~KP_CS_MASK; \
121 #define KP_ROWS_MASK ((1 << KP_ROWS) - 1)
122 #define KP_COLS_MASK ((1 << KP_COLS) - 1)
125 #define SCAN_FILTER 1
127 #define SCAN_COL_FILTER 3
130 #define KP_F1 0 /* leftmost dot (tab) */
131 #define KP_F2 1 /* middle left dot */
132 #define KP_F3 2 /* up */
133 #define KP_F4 3 /* middle right dot */
134 #define KP_F5 4 /* rightmost dot */
135 #define KP_F6 5 /* C */
136 #define KP_F7 6 /* left */
137 #define KP_F8 7 /* down */
138 #define KP_F9 8 /* right */
139 #define KP_F10 9 /* enter */
140 #define KP_F11 10 /* R */
141 #define KP_F12 11 /* save */
142 #define KP_F13 12 /* redial */
143 #define KP_F14 13 /* speaker */
144 #define KP_F15 14 /* unused */
145 #define KP_F16 15 /* unused */
147 #define KP_RELEASE -1 /* key depressed */
148 #define KP_FORCE -2 /* key was pressed for more than force hz */
149 #define KP_IDLE -3 /* key was released and idle */
164 /*************************************************************************************************/
166 static int curs_disabled
;
167 static int curs_col
, curs_row
;
168 static int disp_col
, disp_row
;
170 static int width
, height
;
172 /* the simulated vty buffer */
173 static char vty_buf
[ROWS
* COLS
];
174 static char last_visible_buf
[ROWS
* COLS
]; /* worst case */
175 static char *last_visible_curs_ptr
;
176 static int last_visible_curs_rev
;
177 static int blinked_state
;
178 static int last_input_mode
;
179 static int refresh_time
;
180 static int blink_time
;
181 static char last_fast_punct
;
182 static int last_tab_indicator
= -1;
184 /*************************************************************************************************/
190 static int input_mode
;
191 static char fast_punct
;
192 static int tab_indicator
;
193 static const char *fast_punct_list
= ",.:;*";
195 static const char *input_mode_txt
[] = { "abc", "ABC", "123" };
197 static const char *punct
= ".,!;?'\"-()@/:_+&%*=<>$[]{}\\~^#|";
198 static const char *whspace
= " 0\n";
199 /* per mode character select (for 2-9) */
200 static const char *digits_sel
[2][8] = {
222 /*****************************************************************************/
224 static void update(void);
225 static void ensure_visible(int col
, int row
, int dx
, int dy
);
227 static void console_init(void)
236 input_mode
= IM_SMALL
;
238 last_fast_punct
= '\0';
239 refresh_time
= REFRESH_HZ
;
240 blink_time
= BLINK_HZ
;
244 memset(vty_buf
, ' ', sizeof(vty_buf
));
246 memset(last_visible_buf
, ' ', sizeof(last_visible_buf
));
247 last_visible_curs_ptr
= NULL
;
248 last_input_mode
= -1;
249 last_visible_curs_rev
= 0;
254 width
= sed156x_text_width
;
255 height
= sed156x_text_height
- 1;
258 /*****************************************************************************/
260 void phone_putc(const char c
);
262 /*****************************************************************************/
264 static int queued_char
= -1;
265 static int enabled
= 0;
267 /*****************************************************************************/
270 int phone_start(void)
278 queued_char
= 'U' - '@';
281 DISPLAY_BACKLIT_PORT
&= ~DISPLAY_BACKLIT_MASK
;
294 DISPLAY_BACKLIT_PORT
|= DISPLAY_BACKLIT_MASK
;
299 void phone_puts(const char *s
)
301 int count
= strlen(s
);
309 return queued_char
>= 0 ? 1 : 0;
325 /*****************************************************************************/
327 int drv_phone_init(void)
329 device_t console_dev
;
333 * Force console i/o to serial ?
335 if ((penv
= getenv("console")) != NULL
&& strcmp(penv
, "serial") == 0)
340 memset(&console_dev
, 0, sizeof(console_dev
));
341 strcpy(console_dev
.name
, "phone");
342 console_dev
.ext
= DEV_EXT_VIDEO
; /* Video extensions */
343 console_dev
.flags
= DEV_FLAGS_OUTPUT
| DEV_FLAGS_INPUT
| DEV_FLAGS_SYSTEM
;
344 console_dev
.start
= phone_start
;
345 console_dev
.stop
= phone_stop
;
346 console_dev
.putc
= phone_putc
; /* 'putc' function */
347 console_dev
.puts
= phone_puts
; /* 'puts' function */
348 console_dev
.tstc
= phone_tstc
; /* 'tstc' function */
349 console_dev
.getc
= phone_getc
; /* 'getc' function */
351 if (device_register(&console_dev
) == 0)
359 int drv_phone_use_me(void)
364 static void kp_do_poll(void);
366 void phone_console_do_poll(void)
374 blink_time
-= PHONE_CONSOLE_POLL_HZ
;
375 if (blink_time
<= 0) {
376 blink_time
+= BLINK_HZ
;
377 if (last_visible_curs_ptr
) {
378 i
= last_visible_curs_ptr
- last_visible_buf
;
379 x
= i
% width
; y
= i
/ width
;
380 sed156x_reverse_at(x
, y
, 1);
381 last_visible_curs_rev
^= 1;
386 refresh_time
-= PHONE_CONSOLE_POLL_HZ
;
387 if (refresh_time
<= 0) {
388 refresh_time
+= REFRESH_HZ
;
395 static int last_scancode
= -1;
396 static int forced_scancode
= 0;
397 static int input_state
= -1;
398 static int input_scancode
= -1;
399 static int input_selected_char
= -1;
400 static char input_covered_char
;
402 static void putchar_at_cursor(char c
)
404 vty_buf
[curs_row
* COLS
+ curs_col
] = c
;
405 ensure_visible(curs_col
, curs_row
, 1, 1);
408 static char getchar_at_cursor(void)
410 return vty_buf
[curs_row
* COLS
+ curs_col
];
413 static void queue_input_char(char c
)
421 static void terminate_input(void)
426 if (input_selected_char
>= 0)
427 queue_input_char(input_selected_char
);
430 input_selected_char
= -1;
431 putchar_at_cursor(input_covered_char
);
434 blink_time
= BLINK_HZ
;
438 static void handle_enabled_scancode(int scancode
)
441 int new_disp_col
, new_disp_row
;
447 /* key was released */
455 switch (last_scancode
) {
457 if (input_mode
== IM_NUMBER
) {
458 input_mode
= IM_CAPITAL
;
459 /* queue backspace to erase # */
460 queue_input_char('\b');
462 input_mode
= IM_NUMBER
;
469 case '2': case '3': case '4': case '5':
470 case '6': case '7': case '8': case '9':
475 input_selected_char
= last_scancode
;
476 putchar_at_cursor((char)input_selected_char
);
487 /* release and idle */
495 /* change input mode */
497 if (last_scancode
== '#') /* no repeat */
500 if (input_mode
== IM_NUMBER
) {
501 input_scancode
= scancode
;
503 input_selected_char
= scancode
;
504 input_covered_char
= getchar_at_cursor();
505 putchar_at_cursor((char)input_selected_char
);
510 if (input_mode
== IM_SMALL
)
511 input_mode
= IM_CAPITAL
;
513 input_mode
= IM_SMALL
;
520 if (last_scancode
== scancode
)
523 if (input_state
>= 0)
526 input_scancode
= fast_punct
;
528 input_selected_char
= input_scancode
;
529 input_covered_char
= getchar_at_cursor();
530 putchar_at_cursor((char)input_selected_char
);
536 case '2': case '3': case '4': case '5':
537 case '6': case '7': case '8': case '9':
540 if (last_scancode
== scancode
)
543 if (input_mode
== IM_NUMBER
) {
544 input_scancode
= scancode
;
546 input_selected_char
= scancode
;
547 input_covered_char
= getchar_at_cursor();
548 putchar_at_cursor((char)input_selected_char
);
553 if (input_state
>= 0 && input_scancode
!= scancode
)
556 if (input_state
< 0) {
558 input_scancode
= scancode
;
560 input_covered_char
= getchar_at_cursor();
566 else if (scancode
== '1')
569 sel
= digits_sel
[input_mode
][scancode
- '2'];
570 c
= *(sel
+ input_state
);
576 input_selected_char
= (int)c
;
577 putchar_at_cursor((char)input_selected_char
);
582 /* move visible display */
583 case KP_F3
: case KP_F8
: case KP_F7
: case KP_F9
:
585 new_disp_col
= disp_col
;
586 new_disp_row
= disp_row
;
591 if (new_disp_row
<= 0)
598 if (new_disp_row
>= ROWS
- height
)
605 if (new_disp_col
<= 0)
612 if (new_disp_col
>= COLS
- width
)
619 if (disp_col
== new_disp_col
&& disp_row
== new_disp_row
)
622 disp_col
= new_disp_col
;
623 disp_row
= new_disp_row
;
628 case KP_F6
: /* backspace */
629 /* inputing something; no backspace sent, just cancel input */
630 if (input_state
>= 0) {
631 input_selected_char
= -1; /* cancel */
635 queue_input_char('\b');
638 case KP_F10
: /* enter */
639 /* inputing something; first cancel input */
640 if (input_state
>= 0)
642 queue_input_char('\r');
645 case KP_F11
: /* R -> Ctrl-C (abort) */
646 if (input_state
>= 0)
648 queue_input_char('C' - 'Q'); /* ctrl-c */
651 case KP_F5
: /* F% -> Ctrl-U (clear line) */
652 if (input_state
>= 0)
654 queue_input_char('U' - 'Q'); /* ctrl-c */
658 case KP_F1
: /* tab */
659 /* inputing something; first cancel input */
660 if (input_state
>= 0)
662 queue_input_char('\t');
665 case KP_F2
: /* change fast punct */
666 sel
= strchr(fast_punct_list
, fast_punct
);
668 sel
= &fast_punct_list
[0];
671 sel
= &fast_punct_list
[0];
679 if (scancode
!= KP_FORCE
&& scancode
!= KP_IDLE
) /* don't record forced or idle scancode */
680 last_scancode
= scancode
;
683 static void scancode_action(int scancode
)
686 if (scancode
== KP_RELEASE
)
687 printf(" RELEASE\n");
688 else if (scancode
== KP_FORCE
)
690 else if (scancode
== KP_IDLE
)
692 else if (scancode
< 32)
693 printf(" F%d", scancode
+ 1);
695 printf(" %c", (char)scancode
);
700 handle_enabled_scancode(scancode
);
704 if (scancode
== KP_FORCE
&& last_scancode
== '*')
707 last_scancode
= scancode
;
710 /**************************************************************************************/
712 /* update the display; make sure to update only the differences */
713 static void update(void)
716 char *s
, *e
, *t
, *r
, *b
, *cp
;
718 if (input_mode
!= last_input_mode
)
719 sed156x_output_at(sed156x_text_width
- 3, sed156x_text_height
- 1, input_mode_txt
[input_mode
], 3);
721 if (tab_indicator
!= last_tab_indicator
)
722 sed156x_output_at(0, sed156x_text_height
- 1, "\\t", 2);
724 if (fast_punct
!= last_fast_punct
)
725 sed156x_output_at(4, sed156x_text_height
- 1, &fast_punct
, 1);
728 curs_col
< disp_col
|| curs_col
>= (disp_col
+ width
) ||
729 curs_row
< disp_row
|| curs_row
>= (disp_row
+ height
)) {
732 cp
= last_visible_buf
+ (curs_row
- disp_row
) * width
+ (curs_col
- disp_col
);
735 /* printf("(%d,%d) (%d,%d) %s\n", curs_col, curs_row, disp_col, disp_row, cp ? "YES" : "no"); */
737 /* clear previous cursor */
738 if (last_visible_curs_ptr
&& last_visible_curs_rev
== 0) {
739 i
= last_visible_curs_ptr
- last_visible_buf
;
740 sed156x_reverse_at(i
% width
, i
/ width
, 1);
743 b
= vty_buf
+ disp_row
* COLS
+ disp_col
;
744 t
= last_visible_buf
;
745 for (i
= 0; i
< height
; i
++) {
748 /* update only the differences */
750 while (s
< e
&& *s
== *t
) {
754 if (s
== e
) /* no more */
759 while (s
< e
&& *s
!= *t
)
763 sed156x_output_at(r
- b
, i
, r
, s
- r
);
772 last_visible_curs_ptr
= cp
;
773 i
= last_visible_curs_ptr
- last_visible_buf
;
774 sed156x_reverse_at(i
% width
, i
/ width
, 1);
775 last_visible_curs_rev
= 0;
777 last_visible_curs_ptr
= NULL
;
780 last_input_mode
= input_mode
;
781 last_fast_punct
= fast_punct
;
782 last_tab_indicator
= tab_indicator
;
785 /* ensure visibility; the trick is to minimize the screen movement */
786 static void ensure_visible(int col
, int row
, int dx
, int dy
)
788 int x1
, y1
, x2
, y2
, a1
, b1
, a2
, b2
;
790 /* clamp visible region */
812 /* move to easier to use vars */
813 x1
= disp_col
; y1
= disp_row
;
814 x2
= x1
+ width
; y2
= y1
+ height
;
816 a2
= a1
+ dx
; b2
= b1
+ dy
;
818 /* printf("(%d,%d) - (%d,%d) : (%d, %d) - (%d, %d)\n", x1, y1, x2, y2, a1, b1, a2, b2); */
821 /* move to the right */
828 } else if (a1
< x1
) {
829 /* move to the left */
846 } else if (b1
< y1
) {
856 /* printf("(%d,%d) - (%d,%d) : (%d, %d) - (%d, %d)\n", x1, y1, x2, y2, a1, b1, a2, b2); */
859 if (disp_col
== x1
&& disp_row
== y1
)
866 /**************************************************************************************/
868 static void newline(void)
871 if (curs_row
+ 1 < ROWS
)
874 memmove(vty_buf
, vty_buf
+ COLS
, COLS
* (ROWS
- 1));
875 memset(vty_buf
+ (ROWS
- 1) * COLS
, ' ', COLS
);
879 void phone_putc(const char c
)
883 if (input_mode
!= -1) {
884 input_selected_char
= -1;
891 blink_time
= BLINK_HZ
;
894 case 13: /* ignore */
897 case '\n': /* next line */
899 ensure_visible(curs_col
, curs_row
, 1, 1);
913 ensure_visible(curs_col
, curs_row
, 1, 1);
916 case 8: /* backspace */
921 /* make sure that we see a couple of characters before */
923 ensure_visible(curs_col
- 4, curs_row
, 4, 1);
925 ensure_visible(curs_col
, curs_row
, 1, 1);
929 default: /* draw the char */
930 putchar_at_cursor(c
);
935 if (curs_col
+ 1 < COLS
)
940 ensure_visible(curs_col
, curs_row
, 1, 1);
946 blink_time
= BLINK_HZ
;
950 /**************************************************************************************/
952 static inline unsigned int kp_transfer(unsigned int val
)
959 KP_SPI_TXD(val
& 0x80);
973 unsigned int kp_data_transfer(unsigned int val
)
977 val
= kp_transfer(val
);
983 unsigned int kp_get_col_mask(unsigned int row_mask
)
985 unsigned int val
, col_mask
;
987 val
= 0x80 | (row_mask
& 0x7F);
988 (void)kp_data_transfer(val
);
989 #if CONFIG_NETPHONE_VERSION == 1
990 col_mask
= kp_data_transfer(val
) & 0x0F;
991 #elif CONFIG_NETPHONE_VERSION == 2
992 col_mask
= ((volatile immap_t
*)CFG_IMMR
)->im_cpm
.cp_pedat
& 0x0f;
993 /* XXX FUCK FUCK FUCK FUCK FUCK!!!! */
994 col_mask
= ((col_mask
& 0x08) >> 3) | /* BKBR1 */
995 ((col_mask
& 0x04) << 1) | /* BKBR2 */
996 (col_mask
& 0x02) | /* BKBR3 */
997 ((col_mask
& 0x01) << 2); /* BKBR4 */
1000 /* printf("col_mask(row_mask = 0x%x) -> col_mask = 0x%x\n", row_mask, col_mask); */
1005 /**************************************************************************************/
1007 static const int kp_scancodes
[KP_ROWS
* KP_COLS
] = {
1008 KP_F1
, KP_F3
, KP_F4
, KP_F2
,
1009 KP_F6
, KP_F8
, KP_F9
, KP_F7
,
1010 KP_1
, KP_3
, KP_F11
, KP_2
,
1011 KP_4
, KP_6
, KP_F12
, KP_5
,
1012 KP_7
, KP_9
, KP_F13
, KP_8
,
1013 KP_STAR
, KP_HASH
, KP_F14
, KP_0
,
1014 KP_F5
, KP_F15
, KP_F16
, KP_F10
,
1017 static const int kp_repeats
[KP_ROWS
* KP_COLS
] = {
1027 static int kp_state
= SCAN
;
1028 static int kp_last_col_mask
;
1029 static int kp_cur_row
, kp_cur_col
;
1030 static int kp_scancode
;
1031 static int kp_stable
;
1032 static int kp_repeat
;
1033 static int kp_repeat_time
;
1034 static int kp_force_time
;
1035 static int kp_idle_time
;
1037 static void kp_do_poll(void)
1039 unsigned int col_mask
;
1044 if (kp_idle_time
> 0) {
1045 kp_idle_time
-= PHONE_CONSOLE_POLL_HZ
;
1046 if (kp_idle_time
<= 0)
1047 scancode_action(KP_IDLE
);
1050 col_mask
= kp_get_col_mask(KP_ROWS_MASK
);
1051 if (col_mask
== KP_COLS_MASK
)
1052 break; /* nothing */
1053 kp_last_col_mask
= col_mask
;
1055 kp_state
= SCAN_FILTER
;
1059 col_mask
= kp_get_col_mask(KP_ROWS_MASK
);
1060 if (col_mask
!= kp_last_col_mask
) {
1065 kp_stable
+= PHONE_CONSOLE_POLL_HZ
;
1066 if (kp_stable
< KP_STABLE_HZ
)
1071 kp_state
= SCAN_COL
;
1073 (void)kp_get_col_mask(1 << kp_cur_row
);
1077 col_mask
= kp_get_col_mask(1 << kp_cur_row
);
1078 if (col_mask
== KP_COLS_MASK
) {
1079 if (++kp_cur_row
>= KP_ROWS
) {
1083 kp_get_col_mask(1 << kp_cur_row
);
1086 kp_last_col_mask
= col_mask
;
1088 kp_state
= SCAN_COL_FILTER
;
1091 case SCAN_COL_FILTER
:
1092 col_mask
= kp_get_col_mask(1 << kp_cur_row
);
1093 if (col_mask
!= kp_last_col_mask
|| col_mask
== KP_COLS_MASK
) {
1098 kp_stable
+= PHONE_CONSOLE_POLL_HZ
;
1099 if (kp_stable
< KP_STABLE_HZ
)
1102 for (col
= 0; col
< KP_COLS
; col
++)
1103 if ((col_mask
& (1 << col
)) == 0)
1107 kp_scancode
= kp_scancodes
[kp_cur_row
* KP_COLS
+ kp_cur_col
];
1108 kp_repeat
= kp_repeats
[kp_cur_row
* KP_COLS
+ kp_cur_col
];
1111 kp_repeat_time
= KP_REPEAT_DELAY_HZ
;
1112 kp_force_time
= KP_FORCE_DELAY_HZ
;
1114 scancode_action(kp_scancode
);
1119 col_mask
= kp_get_col_mask(1 << kp_cur_row
);
1120 if (col_mask
!= kp_last_col_mask
) {
1122 scancode_action(KP_RELEASE
);
1123 kp_idle_time
= KP_IDLE_DELAY_HZ
;
1128 kp_repeat_time
-= PHONE_CONSOLE_POLL_HZ
;
1129 if (kp_repeat_time
<= 0) {
1130 kp_repeat_time
+= KP_REPEAT_HZ
;
1131 scancode_action(kp_scancode
);
1135 if (kp_force_time
> 0) {
1136 kp_force_time
-= PHONE_CONSOLE_POLL_HZ
;
1137 if (kp_force_time
<= 0)
1138 scancode_action(KP_FORCE
);