3 * Dirk Eibach, Guntermann & Drunck GmbH, eibach@gdsys.de
5 * SPDX-License-Identifier: GPL-2.0+
14 #include <gdsys_fpga.h>
16 #define ICS8N3QV01_I2C_ADDR 0x6E
17 #define ICS8N3QV01_FREF 114285000
18 #define ICS8N3QV01_FREF_LL 114285000LL
19 #define ICS8N3QV01_F_DEFAULT_0 156250000LL
20 #define ICS8N3QV01_F_DEFAULT_1 125000000LL
21 #define ICS8N3QV01_F_DEFAULT_2 100000000LL
22 #define ICS8N3QV01_F_DEFAULT_3 25175000LL
24 #define SIL1178_MASTER_I2C_ADDRESS 0x38
25 #define SIL1178_SLAVE_I2C_ADDRESS 0x39
27 #define DP501_I2C_ADDR 0x08
29 #define PIXCLK_640_480_60 25180000
30 #define MAX_X_CHARS 53
31 #define MAX_Y_CHARS 26
33 #ifdef CONFIG_SYS_OSD_DH
34 #define MAX_OSD_SCREEN 8
37 #define MAX_OSD_SCREEN 4
40 #ifdef CONFIG_SYS_OSD_DH
41 #define OSD_SET_REG(screen, fld, val) \
43 if (screen >= OSD_DH_BASE) \
44 FPGA_SET_REG(screen - OSD_DH_BASE, osd1.fld, val); \
46 FPGA_SET_REG(screen, osd0.fld, val); \
49 #define OSD_SET_REG(screen, fld, val) \
50 FPGA_SET_REG(screen, osd0.fld, val)
53 #ifdef CONFIG_SYS_OSD_DH
54 #define OSD_GET_REG(screen, fld, val) \
56 if (screen >= OSD_DH_BASE) \
57 FPGA_GET_REG(screen - OSD_DH_BASE, osd1.fld, val); \
59 FPGA_GET_REG(screen, osd0.fld, val); \
62 #define OSD_GET_REG(screen, fld, val) \
63 FPGA_GET_REG(screen, osd0.fld, val)
66 unsigned int base_width
;
67 unsigned int base_height
;
71 unsigned int osd_screen_mask
= 0;
73 #ifdef CONFIG_SYS_ICS8N3QV01_I2C
74 int ics8n3qv01_i2c
[] = CONFIG_SYS_ICS8N3QV01_I2C
;
77 #ifdef CONFIG_SYS_SIL1178_I2C
78 int sil1178_i2c
[] = CONFIG_SYS_SIL1178_I2C
;
81 #ifdef CONFIG_SYS_DP501_I2C
82 int dp501_i2c
[] = CONFIG_SYS_DP501_I2C
;
85 #ifdef CONFIG_SYS_DP501_BASE
86 int dp501_base
[] = CONFIG_SYS_DP501_BASE
;
89 #ifdef CONFIG_SYS_MPC92469AC
90 static void mpc92469ac_calc_parameters(unsigned int fout
,
91 unsigned int *post_div
, unsigned int *feedback_div
)
93 unsigned int n
= *post_div
;
94 unsigned int m
= *feedback_div
;
96 unsigned int b
= 14745600 / 16;
100 else if (fout
< 100339199)
102 else if (fout
< 200678399)
107 a
= fout
* n
+ (b
/ 2); /* add b/2 for proper rounding */
115 static void mpc92469ac_set(unsigned screen
, unsigned int fout
)
119 unsigned int bitval
= 0;
120 mpc92469ac_calc_parameters(fout
, &n
, &m
);
137 FPGA_SET_REG(screen
, mpc3w_control
, (bitval
<< 9) | m
);
141 #ifdef CONFIG_SYS_ICS8N3QV01_I2C
143 static unsigned int ics8n3qv01_get_fout_calc(unsigned index
)
145 unsigned long long n
;
146 unsigned long long mint
;
147 unsigned long long mfrac
;
148 u8 reg_a
, reg_b
, reg_c
, reg_d
, reg_f
;
149 unsigned long long fout_calc
;
154 reg_a
= i2c_reg_read(ICS8N3QV01_I2C_ADDR
, 0 + index
);
155 reg_b
= i2c_reg_read(ICS8N3QV01_I2C_ADDR
, 4 + index
);
156 reg_c
= i2c_reg_read(ICS8N3QV01_I2C_ADDR
, 8 + index
);
157 reg_d
= i2c_reg_read(ICS8N3QV01_I2C_ADDR
, 12 + index
);
158 reg_f
= i2c_reg_read(ICS8N3QV01_I2C_ADDR
, 20 + index
);
160 mint
= ((reg_a
>> 1) & 0x1f) | (reg_f
& 0x20);
161 mfrac
= ((reg_a
& 0x01) << 17) | (reg_b
<< 9) | (reg_c
<< 1)
165 fout_calc
= (mint
* ICS8N3QV01_FREF_LL
166 + mfrac
* ICS8N3QV01_FREF_LL
/ 262144LL
167 + ICS8N3QV01_FREF_LL
/ 524288LL
177 static void ics8n3qv01_calc_parameters(unsigned int fout
,
178 unsigned int *_mint
, unsigned int *_mfrac
,
182 unsigned int foutiic
;
183 unsigned int fvcoiic
;
185 unsigned long long mfrac
;
187 n
= (2215000000U + fout
/ 2) / fout
;
188 if ((n
& 1) && (n
> 5))
191 foutiic
= fout
- (fout
/ 10000);
192 fvcoiic
= foutiic
* n
;
194 mint
= fvcoiic
/ 114285000;
195 if ((mint
< 17) || (mint
> 63))
196 printf("ics8n3qv01_calc_parameters: cannot determine mint\n");
198 mfrac
= ((unsigned long long)fvcoiic
% 114285000LL) * 262144LL
206 static void ics8n3qv01_set(unsigned int fout
)
211 unsigned int fout_calc
;
212 unsigned long long fout_prog
;
214 u8 reg0
, reg4
, reg8
, reg12
, reg18
, reg20
;
216 fout_calc
= ics8n3qv01_get_fout_calc(1);
217 off_ppm
= (fout_calc
- ICS8N3QV01_F_DEFAULT_1
) * 1000000
218 / ICS8N3QV01_F_DEFAULT_1
;
219 printf(" PLL is off by %lld ppm\n", off_ppm
);
220 fout_prog
= (unsigned long long)fout
* (unsigned long long)fout_calc
221 / ICS8N3QV01_F_DEFAULT_1
;
222 ics8n3qv01_calc_parameters(fout_prog
, &mint
, &mfrac
, &n
);
224 reg0
= i2c_reg_read(ICS8N3QV01_I2C_ADDR
, 0) & 0xc0;
225 reg0
|= (mint
& 0x1f) << 1;
226 reg0
|= (mfrac
>> 17) & 0x01;
227 i2c_reg_write(ICS8N3QV01_I2C_ADDR
, 0, reg0
);
230 i2c_reg_write(ICS8N3QV01_I2C_ADDR
, 4, reg4
);
233 i2c_reg_write(ICS8N3QV01_I2C_ADDR
, 8, reg8
);
237 i2c_reg_write(ICS8N3QV01_I2C_ADDR
, 12, reg12
);
239 reg18
= i2c_reg_read(ICS8N3QV01_I2C_ADDR
, 18) & 0x03;
241 i2c_reg_write(ICS8N3QV01_I2C_ADDR
, 18, reg18
);
243 reg20
= i2c_reg_read(ICS8N3QV01_I2C_ADDR
, 20) & 0x1f;
244 reg20
|= mint
& (1 << 5);
245 i2c_reg_write(ICS8N3QV01_I2C_ADDR
, 20, reg20
);
249 static int osd_write_videomem(unsigned screen
, unsigned offset
,
250 u16
*data
, size_t charcount
)
254 for (k
= 0; k
< charcount
; ++k
) {
255 if (offset
+ k
>= bufsize
)
257 #ifdef CONFIG_SYS_OSD_DH
258 if (screen
>= OSD_DH_BASE
)
259 FPGA_SET_REG(screen
- OSD_DH_BASE
,
260 videomem1
[offset
+ k
], data
[k
]);
262 FPGA_SET_REG(screen
, videomem0
[offset
+ k
], data
[k
]);
264 FPGA_SET_REG(screen
, videomem0
[offset
+ k
], data
[k
]);
271 static int osd_print(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
280 for (screen
= 0; screen
< MAX_OSD_SCREEN
; ++screen
) {
290 if (!(osd_screen_mask
& (1 << screen
)))
293 x
= simple_strtoul(argv
[1], NULL
, 16);
294 y
= simple_strtoul(argv
[2], NULL
, 16);
295 color
= simple_strtoul(argv
[3], NULL
, 16);
297 charcount
= strlen(text
);
298 len
= (charcount
> bufsize
) ? bufsize
: charcount
;
300 for (k
= 0; k
< len
; ++k
)
301 buf
[k
] = (text
[k
] << 8) | color
;
303 res
= osd_write_videomem(screen
, y
* base_width
+ x
, buf
, len
);
307 OSD_SET_REG(screen
, control
, 0x0049);
313 int osd_probe(unsigned screen
)
317 int old_bus
= i2c_get_bus_num();
318 bool pixclock_present
= false;
319 bool output_driver_present
= false;
320 #ifdef CONFIG_SYS_DP501_I2C
321 #ifdef CONFIG_SYS_DP501_BASE
322 uint8_t dp501_addr
= dp501_base
[screen
];
324 uint8_t dp501_addr
= DP501_I2C_ADDR
;
328 OSD_GET_REG(0, version
, &version
);
329 OSD_GET_REG(0, features
, &features
);
331 base_width
= ((features
& 0x3f00) >> 8) + 1;
332 base_height
= (features
& 0x001f) + 1;
333 bufsize
= base_width
* base_height
;
334 buf
= malloc(sizeof(u16
) * bufsize
);
338 #ifdef CONFIG_SYS_OSD_DH
339 printf("OSD%d-%d: Digital-OSD version %01d.%02d, %d" "x%d characters\n",
340 (screen
>= OSD_DH_BASE
) ? (screen
- OSD_DH_BASE
) : screen
,
341 (screen
> 3) ? 1 : 0, version
/100, version
%100, base_width
,
344 printf("OSD%d: Digital-OSD version %01d.%02d, %d" "x%d characters\n",
345 screen
, version
/100, version
%100, base_width
, base_height
);
349 #ifdef CONFIG_SYS_MPC92469AC
350 pixclock_present
= true;
351 mpc92469ac_set(screen
, PIXCLK_640_480_60
);
354 #ifdef CONFIG_SYS_ICS8N3QV01_I2C
355 i2c_set_bus_num(ics8n3qv01_i2c
[screen
]);
356 if (!i2c_probe(ICS8N3QV01_I2C_ADDR
)) {
357 ics8n3qv01_set(PIXCLK_640_480_60
);
358 pixclock_present
= true;
362 if (!pixclock_present
)
363 printf(" no pixelclock found\n");
365 /* setup output driver */
367 #ifdef CONFIG_SYS_CH7301_I2C
368 if (!ch7301_probe(screen
, true))
369 output_driver_present
= true;
372 #ifdef CONFIG_SYS_SIL1178_I2C
373 i2c_set_bus_num(sil1178_i2c
[screen
]);
374 if (!i2c_probe(SIL1178_SLAVE_I2C_ADDRESS
)) {
375 if (i2c_reg_read(SIL1178_SLAVE_I2C_ADDRESS
, 0x02) == 0x06) {
377 * magic initialization sequence,
378 * adapted from datasheet
380 i2c_reg_write(SIL1178_SLAVE_I2C_ADDRESS
, 0x08, 0x36);
381 i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS
, 0x0f, 0x44);
382 i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS
, 0x0f, 0x4c);
383 i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS
, 0x0e, 0x10);
384 i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS
, 0x0a, 0x80);
385 i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS
, 0x09, 0x30);
386 i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS
, 0x0c, 0x89);
387 i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS
, 0x0d, 0x60);
388 i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS
, 0x08, 0x36);
389 i2c_reg_write(SIL1178_MASTER_I2C_ADDRESS
, 0x08, 0x37);
390 output_driver_present
= true;
395 #ifdef CONFIG_SYS_DP501_I2C
396 i2c_set_bus_num(dp501_i2c
[screen
]);
397 if (!i2c_probe(dp501_addr
)) {
398 dp501_powerup(dp501_addr
);
399 output_driver_present
= true;
403 if (!output_driver_present
)
404 printf(" no output driver found\n");
406 OSD_SET_REG(screen
, xy_size
, ((32 - 1) << 8) | (16 - 1));
407 OSD_SET_REG(screen
, x_pos
, 0x007f);
408 OSD_SET_REG(screen
, y_pos
, 0x005f);
410 if (pixclock_present
&& output_driver_present
)
411 osd_screen_mask
|= 1 << screen
;
413 i2c_set_bus_num(old_bus
);
418 int osd_write(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
422 if ((argc
< 4) || (strlen(argv
[3]) % 4)) {
427 for (screen
= 0; screen
< MAX_OSD_SCREEN
; ++screen
) {
431 u16 buffer
[base_width
];
434 unsigned count
= (argc
> 4) ?
435 simple_strtoul(argv
[4], NULL
, 16) : 1;
437 if (!(osd_screen_mask
& (1 << screen
)))
440 x
= simple_strtoul(argv
[1], NULL
, 16);
441 y
= simple_strtoul(argv
[2], NULL
, 16);
448 memcpy(substr
, rp
, 4);
450 *wp
= simple_strtoul(substr
, NULL
, 16);
454 if (wp
- buffer
> base_width
)
458 for (k
= 0; k
< count
; ++k
) {
460 y
* base_width
+ x
+ k
* (wp
- buffer
);
461 osd_write_videomem(screen
, offset
, buffer
,
465 OSD_SET_REG(screen
, control
, 0x0049);
471 int osd_size(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
482 x
= simple_strtoul(argv
[1], NULL
, 16);
483 y
= simple_strtoul(argv
[2], NULL
, 16);
485 if (!x
|| (x
> 64) || (x
> MAX_X_CHARS
) ||
486 !y
|| (y
> 32) || (y
> MAX_Y_CHARS
)) {
491 for (screen
= 0; screen
< MAX_OSD_SCREEN
; ++screen
) {
492 OSD_SET_REG(screen
, xy_size
, ((x
- 1) << 8) | (y
- 1));
493 OSD_SET_REG(screen
, x_pos
, 32767 * (640 - 12 * x
) / 65535);
494 OSD_SET_REG(screen
, y_pos
, 32767 * (480 - 18 * y
) / 65535);
501 osdw
, 5, 0, osd_write
,
502 "write 16-bit hex encoded buffer to osd memory",
503 "pos_x pos_y buffer count\n"
507 osdp
, 5, 0, osd_print
,
508 "write ASCII buffer to osd memory",
509 "pos_x pos_y color text\n"
513 osdsize
, 3, 0, osd_size
,
514 "set OSD XY size in characters",
515 "size_x(max. " __stringify(MAX_X_CHARS
)
516 ") size_y(max. " __stringify(MAX_Y_CHARS
) ")\n"