1 /****************************************************************************
2 *
3 * Filename: cpia2_core.c
4 *
5 * Copyright 2001, STMicrolectronics, Inc.
6 * Contact: steve.miller@st.com
7 *
8 * Description:
9 * This is a USB driver for CPia2 based video cameras.
10 * The infrastructure of this driver is based on the cpia usb driver by
11 * Jochen Scharrlach and Johannes Erdfeldt.
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 *
27 * Stripped of 2.4 stuff ready for main kernel submit by
28 * Alan Cox <alan@lxorguk.ukuu.org.uk>
29 *
30 ****************************************************************************/
31
32 #include "cpia2.h"
33
34 #include <linux/slab.h>
35 #include <linux/mm.h>
36 #include <linux/vmalloc.h>
37 #include <linux/firmware.h>
38
39 /* #define _CPIA2_DEBUG_ */
40
41 #ifdef _CPIA2_DEBUG_
42
43 static const char *block_name[] = {
44 "System",
45 "VC",
46 "VP",
47 "IDATA"
48 };
49 #endif
50
51 static unsigned int debugs_on; /* default 0 - DEBUG_REG */
52
53
54 /******************************************************************************
55 *
56 * Forward Declarations
57 *
58 *****************************************************************************/
59 static int apply_vp_patch(struct camera_data *cam);
60 static int set_default_user_mode(struct camera_data *cam);
61 static int set_vw_size(struct camera_data *cam, int size);
62 static int configure_sensor(struct camera_data *cam,
63 int reqwidth, int reqheight);
64 static int config_sensor_410(struct camera_data *cam,
65 int reqwidth, int reqheight);
66 static int config_sensor_500(struct camera_data *cam,
67 int reqwidth, int reqheight);
68 static int set_all_properties(struct camera_data *cam);
69 static void get_color_params(struct camera_data *cam);
70 static void wake_system(struct camera_data *cam);
71 static void set_lowlight_boost(struct camera_data *cam);
72 static void reset_camera_struct(struct camera_data *cam);
73 static int cpia2_set_high_power(struct camera_data *cam);
74
75 /* Here we want the physical address of the memory.
76 * This is used when initializing the contents of the
77 * area and marking the pages as reserved.
78 */
kvirt_to_pa(unsigned long adr)79 static inline unsigned long kvirt_to_pa(unsigned long adr)
80 {
81 unsigned long kva, ret;
82
83 kva = (unsigned long) page_address(vmalloc_to_page((void *)adr));
84 kva |= adr & (PAGE_SIZE-1); /* restore the offset */
85 ret = __pa(kva);
86 return ret;
87 }
88
rvmalloc(unsigned long size)89 static void *rvmalloc(unsigned long size)
90 {
91 void *mem;
92 unsigned long adr;
93
94 /* Round it off to PAGE_SIZE */
95 size = PAGE_ALIGN(size);
96
97 mem = vmalloc_32(size);
98 if (!mem)
99 return NULL;
100
101 memset(mem, 0, size); /* Clear the ram out, no junk to the user */
102 adr = (unsigned long) mem;
103
104 while ((long)size > 0) {
105 SetPageReserved(vmalloc_to_page((void *)adr));
106 adr += PAGE_SIZE;
107 size -= PAGE_SIZE;
108 }
109 return mem;
110 }
111
rvfree(void * mem,unsigned long size)112 static void rvfree(void *mem, unsigned long size)
113 {
114 unsigned long adr;
115
116 if (!mem)
117 return;
118
119 size = PAGE_ALIGN(size);
120
121 adr = (unsigned long) mem;
122 while ((long)size > 0) {
123 ClearPageReserved(vmalloc_to_page((void *)adr));
124 adr += PAGE_SIZE;
125 size -= PAGE_SIZE;
126 }
127 vfree(mem);
128 }
129
130 /******************************************************************************
131 *
132 * cpia2_do_command
133 *
134 * Send an arbitrary command to the camera. For commands that read from
135 * the camera, copy the buffers into the proper param structures.
136 *****************************************************************************/
cpia2_do_command(struct camera_data * cam,u32 command,u8 direction,u8 param)137 int cpia2_do_command(struct camera_data *cam,
138 u32 command, u8 direction, u8 param)
139 {
140 int retval = 0;
141 struct cpia2_command cmd;
142 unsigned int device = cam->params.pnp_id.device_type;
143
144 cmd.command = command;
145 cmd.reg_count = 2; /* default */
146 cmd.direction = direction;
147
148 /***
149 * Set up the command.
150 ***/
151 switch (command) {
152 case CPIA2_CMD_GET_VERSION:
153 cmd.req_mode =
154 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
155 cmd.start = CPIA2_SYSTEM_DEVICE_HI;
156 break;
157 case CPIA2_CMD_GET_PNP_ID:
158 cmd.req_mode =
159 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
160 cmd.reg_count = 8;
161 cmd.start = CPIA2_SYSTEM_DESCRIP_VID_HI;
162 break;
163 case CPIA2_CMD_GET_ASIC_TYPE:
164 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
165 cmd.start = CPIA2_VC_ASIC_ID;
166 break;
167 case CPIA2_CMD_GET_SENSOR:
168 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
169 cmd.start = CPIA2_VP_SENSOR_FLAGS;
170 break;
171 case CPIA2_CMD_GET_VP_DEVICE:
172 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
173 cmd.start = CPIA2_VP_DEVICEH;
174 break;
175 case CPIA2_CMD_SET_VP_BRIGHTNESS:
176 cmd.buffer.block_data[0] = param; /* Then fall through */
177 case CPIA2_CMD_GET_VP_BRIGHTNESS:
178 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
179 cmd.reg_count = 1;
180 if (device == DEVICE_STV_672)
181 cmd.start = CPIA2_VP4_EXPOSURE_TARGET;
182 else
183 cmd.start = CPIA2_VP5_EXPOSURE_TARGET;
184 break;
185 case CPIA2_CMD_SET_CONTRAST:
186 cmd.buffer.block_data[0] = param; /* Then fall through */
187 case CPIA2_CMD_GET_CONTRAST:
188 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
189 cmd.reg_count = 1;
190 cmd.start = CPIA2_VP_YRANGE;
191 break;
192 case CPIA2_CMD_SET_VP_SATURATION:
193 cmd.buffer.block_data[0] = param; /* Then fall through */
194 case CPIA2_CMD_GET_VP_SATURATION:
195 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
196 cmd.reg_count = 1;
197 if (device == DEVICE_STV_672)
198 cmd.start = CPIA2_VP_SATURATION;
199 else
200 cmd.start = CPIA2_VP5_MCUVSATURATION;
201 break;
202 case CPIA2_CMD_SET_VP_GPIO_DATA:
203 cmd.buffer.block_data[0] = param; /* Then fall through */
204 case CPIA2_CMD_GET_VP_GPIO_DATA:
205 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
206 cmd.reg_count = 1;
207 cmd.start = CPIA2_VP_GPIO_DATA;
208 break;
209 case CPIA2_CMD_SET_VP_GPIO_DIRECTION:
210 cmd.buffer.block_data[0] = param; /* Then fall through */
211 case CPIA2_CMD_GET_VP_GPIO_DIRECTION:
212 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
213 cmd.reg_count = 1;
214 cmd.start = CPIA2_VP_GPIO_DIRECTION;
215 break;
216 case CPIA2_CMD_SET_VC_MP_GPIO_DATA:
217 cmd.buffer.block_data[0] = param; /* Then fall through */
218 case CPIA2_CMD_GET_VC_MP_GPIO_DATA:
219 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
220 cmd.reg_count = 1;
221 cmd.start = CPIA2_VC_MP_DATA;
222 break;
223 case CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION:
224 cmd.buffer.block_data[0] = param; /* Then fall through */
225 case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION:
226 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
227 cmd.reg_count = 1;
228 cmd.start = CPIA2_VC_MP_DIR;
229 break;
230 case CPIA2_CMD_ENABLE_PACKET_CTRL:
231 cmd.req_mode =
232 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
233 cmd.start = CPIA2_SYSTEM_INT_PACKET_CTRL;
234 cmd.reg_count = 1;
235 cmd.buffer.block_data[0] = param;
236 break;
237 case CPIA2_CMD_SET_FLICKER_MODES:
238 cmd.buffer.block_data[0] = param; /* Then fall through */
239 case CPIA2_CMD_GET_FLICKER_MODES:
240 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
241 cmd.reg_count = 1;
242 cmd.start = CPIA2_VP_FLICKER_MODES;
243 break;
244 case CPIA2_CMD_RESET_FIFO: /* clear fifo and enable stream block */
245 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
246 cmd.reg_count = 2;
247 cmd.start = 0;
248 cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL;
249 cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC |
250 CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT;
251 cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL;
252 cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC |
253 CPIA2_VC_ST_CTRL_DST_USB |
254 CPIA2_VC_ST_CTRL_EOF_DETECT |
255 CPIA2_VC_ST_CTRL_FIFO_ENABLE;
256 break;
257 case CPIA2_CMD_SET_HI_POWER:
258 cmd.req_mode =
259 CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM;
260 cmd.reg_count = 2;
261 cmd.buffer.registers[0].index =
262 CPIA2_SYSTEM_SYSTEM_CONTROL;
263 cmd.buffer.registers[1].index =
264 CPIA2_SYSTEM_SYSTEM_CONTROL;
265 cmd.buffer.registers[0].value = CPIA2_SYSTEM_CONTROL_CLEAR_ERR;
266 cmd.buffer.registers[1].value =
267 CPIA2_SYSTEM_CONTROL_HIGH_POWER;
268 break;
269 case CPIA2_CMD_SET_LOW_POWER:
270 cmd.req_mode =
271 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
272 cmd.reg_count = 1;
273 cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL;
274 cmd.buffer.block_data[0] = 0;
275 break;
276 case CPIA2_CMD_CLEAR_V2W_ERR:
277 cmd.req_mode =
278 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
279 cmd.reg_count = 1;
280 cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL;
281 cmd.buffer.block_data[0] = CPIA2_SYSTEM_CONTROL_CLEAR_ERR;
282 break;
283 case CPIA2_CMD_SET_USER_MODE: /* Then fall through */
284 cmd.buffer.block_data[0] = param;
285 case CPIA2_CMD_GET_USER_MODE:
286 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
287 cmd.reg_count = 1;
288 if (device == DEVICE_STV_672)
289 cmd.start = CPIA2_VP4_USER_MODE;
290 else
291 cmd.start = CPIA2_VP5_USER_MODE;
292 break;
293 case CPIA2_CMD_FRAMERATE_REQ:
294 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
295 cmd.reg_count = 1;
296 if (device == DEVICE_STV_672)
297 cmd.start = CPIA2_VP4_FRAMERATE_REQUEST;
298 else
299 cmd.start = CPIA2_VP5_FRAMERATE_REQUEST;
300 cmd.buffer.block_data[0] = param;
301 break;
302 case CPIA2_CMD_SET_WAKEUP:
303 cmd.buffer.block_data[0] = param; /* Then fall through */
304 case CPIA2_CMD_GET_WAKEUP:
305 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
306 cmd.reg_count = 1;
307 cmd.start = CPIA2_VC_WAKEUP;
308 break;
309 case CPIA2_CMD_SET_PW_CONTROL:
310 cmd.buffer.block_data[0] = param; /* Then fall through */
311 case CPIA2_CMD_GET_PW_CONTROL:
312 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
313 cmd.reg_count = 1;
314 cmd.start = CPIA2_VC_PW_CTRL;
315 break;
316 case CPIA2_CMD_GET_VP_SYSTEM_STATE:
317 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
318 cmd.reg_count = 1;
319 cmd.start = CPIA2_VP_SYSTEMSTATE;
320 break;
321 case CPIA2_CMD_SET_SYSTEM_CTRL:
322 cmd.buffer.block_data[0] = param; /* Then fall through */
323 case CPIA2_CMD_GET_SYSTEM_CTRL:
324 cmd.req_mode =
325 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
326 cmd.reg_count = 1;
327 cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL;
328 break;
329 case CPIA2_CMD_SET_VP_SYSTEM_CTRL:
330 cmd.buffer.block_data[0] = param; /* Then fall through */
331 case CPIA2_CMD_GET_VP_SYSTEM_CTRL:
332 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
333 cmd.reg_count = 1;
334 cmd.start = CPIA2_VP_SYSTEMCTRL;
335 break;
336 case CPIA2_CMD_SET_VP_EXP_MODES:
337 cmd.buffer.block_data[0] = param; /* Then fall through */
338 case CPIA2_CMD_GET_VP_EXP_MODES:
339 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
340 cmd.reg_count = 1;
341 cmd.start = CPIA2_VP_EXPOSURE_MODES;
342 break;
343 case CPIA2_CMD_SET_DEVICE_CONFIG:
344 cmd.buffer.block_data[0] = param; /* Then fall through */
345 case CPIA2_CMD_GET_DEVICE_CONFIG:
346 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
347 cmd.reg_count = 1;
348 cmd.start = CPIA2_VP_DEVICE_CONFIG;
349 break;
350 case CPIA2_CMD_SET_SERIAL_ADDR:
351 cmd.buffer.block_data[0] = param;
352 cmd.req_mode =
353 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
354 cmd.reg_count = 1;
355 cmd.start = CPIA2_SYSTEM_VP_SERIAL_ADDR;
356 break;
357 case CPIA2_CMD_SET_SENSOR_CR1:
358 cmd.buffer.block_data[0] = param;
359 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
360 cmd.reg_count = 1;
361 cmd.start = CPIA2_SENSOR_CR1;
362 break;
363 case CPIA2_CMD_SET_VC_CONTROL:
364 cmd.buffer.block_data[0] = param; /* Then fall through */
365 case CPIA2_CMD_GET_VC_CONTROL:
366 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
367 cmd.reg_count = 1;
368 cmd.start = CPIA2_VC_VC_CTRL;
369 break;
370 case CPIA2_CMD_SET_TARGET_KB:
371 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
372 cmd.reg_count = 1;
373 cmd.buffer.registers[0].index = CPIA2_VC_VC_TARGET_KB;
374 cmd.buffer.registers[0].value = param;
375 break;
376 case CPIA2_CMD_SET_DEF_JPEG_OPT:
377 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
378 cmd.reg_count = 4;
379 cmd.buffer.registers[0].index = CPIA2_VC_VC_JPEG_OPT;
380 cmd.buffer.registers[0].value =
381 CPIA2_VC_VC_JPEG_OPT_DOUBLE_SQUEEZE;
382 cmd.buffer.registers[1].index = CPIA2_VC_VC_USER_SQUEEZE;
383 cmd.buffer.registers[1].value = 20;
384 cmd.buffer.registers[2].index = CPIA2_VC_VC_CREEP_PERIOD;
385 cmd.buffer.registers[2].value = 2;
386 cmd.buffer.registers[3].index = CPIA2_VC_VC_JPEG_OPT;
387 cmd.buffer.registers[3].value = CPIA2_VC_VC_JPEG_OPT_DEFAULT;
388 break;
389 case CPIA2_CMD_REHASH_VP4:
390 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
391 cmd.reg_count = 1;
392 cmd.start = CPIA2_VP_REHASH_VALUES;
393 cmd.buffer.block_data[0] = param;
394 break;
395 case CPIA2_CMD_SET_USER_EFFECTS: /* Note: Be careful with this as
396 this register can also affect
397 flicker modes */
398 cmd.buffer.block_data[0] = param; /* Then fall through */
399 case CPIA2_CMD_GET_USER_EFFECTS:
400 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
401 cmd.reg_count = 1;
402 if (device == DEVICE_STV_672)
403 cmd.start = CPIA2_VP4_USER_EFFECTS;
404 else
405 cmd.start = CPIA2_VP5_USER_EFFECTS;
406 break;
407 default:
408 LOG("DoCommand received invalid command\n");
409 return -EINVAL;
410 }
411
412 retval = cpia2_send_command(cam, &cmd);
413 if (retval) {
414 return retval;
415 }
416
417 /***
418 * Now copy any results from a read into the appropriate param struct.
419 ***/
420 switch (command) {
421 case CPIA2_CMD_GET_VERSION:
422 cam->params.version.firmware_revision_hi =
423 cmd.buffer.block_data[0];
424 cam->params.version.firmware_revision_lo =
425 cmd.buffer.block_data[1];
426 break;
427 case CPIA2_CMD_GET_PNP_ID:
428 cam->params.pnp_id.vendor = (cmd.buffer.block_data[0] << 8) |
429 cmd.buffer.block_data[1];
430 cam->params.pnp_id.product = (cmd.buffer.block_data[2] << 8) |
431 cmd.buffer.block_data[3];
432 cam->params.pnp_id.device_revision =
433 (cmd.buffer.block_data[4] << 8) |
434 cmd.buffer.block_data[5];
435 if (cam->params.pnp_id.vendor == 0x553) {
436 if (cam->params.pnp_id.product == 0x100) {
437 cam->params.pnp_id.device_type = DEVICE_STV_672;
438 } else if (cam->params.pnp_id.product == 0x140 ||
439 cam->params.pnp_id.product == 0x151) {
440 cam->params.pnp_id.device_type = DEVICE_STV_676;
441 }
442 }
443 break;
444 case CPIA2_CMD_GET_ASIC_TYPE:
445 cam->params.version.asic_id = cmd.buffer.block_data[0];
446 cam->params.version.asic_rev = cmd.buffer.block_data[1];
447 break;
448 case CPIA2_CMD_GET_SENSOR:
449 cam->params.version.sensor_flags = cmd.buffer.block_data[0];
450 cam->params.version.sensor_rev = cmd.buffer.block_data[1];
451 break;
452 case CPIA2_CMD_GET_VP_DEVICE:
453 cam->params.version.vp_device_hi = cmd.buffer.block_data[0];
454 cam->params.version.vp_device_lo = cmd.buffer.block_data[1];
455 break;
456 case CPIA2_CMD_GET_VP_BRIGHTNESS:
457 cam->params.color_params.brightness = cmd.buffer.block_data[0];
458 break;
459 case CPIA2_CMD_GET_CONTRAST:
460 cam->params.color_params.contrast = cmd.buffer.block_data[0];
461 break;
462 case CPIA2_CMD_GET_VP_SATURATION:
463 cam->params.color_params.saturation = cmd.buffer.block_data[0];
464 break;
465 case CPIA2_CMD_GET_VP_GPIO_DATA:
466 cam->params.vp_params.gpio_data = cmd.buffer.block_data[0];
467 break;
468 case CPIA2_CMD_GET_VP_GPIO_DIRECTION:
469 cam->params.vp_params.gpio_direction = cmd.buffer.block_data[0];
470 break;
471 case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION:
472 cam->params.vc_params.vc_mp_direction =cmd.buffer.block_data[0];
473 break;
474 case CPIA2_CMD_GET_VC_MP_GPIO_DATA:
475 cam->params.vc_params.vc_mp_data = cmd.buffer.block_data[0];
476 break;
477 case CPIA2_CMD_GET_FLICKER_MODES:
478 cam->params.flicker_control.cam_register =
479 cmd.buffer.block_data[0];
480 break;
481 case CPIA2_CMD_GET_WAKEUP:
482 cam->params.vc_params.wakeup = cmd.buffer.block_data[0];
483 break;
484 case CPIA2_CMD_GET_PW_CONTROL:
485 cam->params.vc_params.pw_control = cmd.buffer.block_data[0];
486 break;
487 case CPIA2_CMD_GET_SYSTEM_CTRL:
488 cam->params.camera_state.system_ctrl = cmd.buffer.block_data[0];
489 break;
490 case CPIA2_CMD_GET_VP_SYSTEM_STATE:
491 cam->params.vp_params.system_state = cmd.buffer.block_data[0];
492 break;
493 case CPIA2_CMD_GET_VP_SYSTEM_CTRL:
494 cam->params.vp_params.system_ctrl = cmd.buffer.block_data[0];
495 break;
496 case CPIA2_CMD_GET_VP_EXP_MODES:
497 cam->params.vp_params.exposure_modes = cmd.buffer.block_data[0];
498 break;
499 case CPIA2_CMD_GET_DEVICE_CONFIG:
500 cam->params.vp_params.device_config = cmd.buffer.block_data[0];
501 break;
502 case CPIA2_CMD_GET_VC_CONTROL:
503 cam->params.vc_params.vc_control = cmd.buffer.block_data[0];
504 break;
505 case CPIA2_CMD_GET_USER_MODE:
506 cam->params.vp_params.video_mode = cmd.buffer.block_data[0];
507 break;
508 case CPIA2_CMD_GET_USER_EFFECTS:
509 cam->params.vp_params.user_effects = cmd.buffer.block_data[0];
510 break;
511 default:
512 break;
513 }
514 return retval;
515 }
516
517 /******************************************************************************
518 *
519 * cpia2_send_command
520 *
521 *****************************************************************************/
522
523 #define DIR(cmd) ((cmd->direction == TRANSFER_WRITE) ? "Write" : "Read")
524 #define BINDEX(cmd) (cmd->req_mode & 0x03)
525
cpia2_send_command(struct camera_data * cam,struct cpia2_command * cmd)526 int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd)
527 {
528 u8 count;
529 u8 start;
530 u8 *buffer;
531 int retval;
532
533 switch (cmd->req_mode & 0x0c) {
534 case CAMERAACCESS_TYPE_RANDOM:
535 count = cmd->reg_count * sizeof(struct cpia2_register);
536 start = 0;
537 buffer = (u8 *) & cmd->buffer;
538 if (debugs_on & DEBUG_REG)
539 DBG("%s Random: Register block %s\n", DIR(cmd),
540 block_name[BINDEX(cmd)]);
541 break;
542 case CAMERAACCESS_TYPE_BLOCK:
543 count = cmd->reg_count;
544 start = cmd->start;
545 buffer = cmd->buffer.block_data;
546 if (debugs_on & DEBUG_REG)
547 DBG("%s Block: Register block %s\n", DIR(cmd),
548 block_name[BINDEX(cmd)]);
549 break;
550 case CAMERAACCESS_TYPE_MASK:
551 count = cmd->reg_count * sizeof(struct cpia2_reg_mask);
552 start = 0;
553 buffer = (u8 *) & cmd->buffer;
554 if (debugs_on & DEBUG_REG)
555 DBG("%s Mask: Register block %s\n", DIR(cmd),
556 block_name[BINDEX(cmd)]);
557 break;
558 case CAMERAACCESS_TYPE_REPEAT: /* For patch blocks only */
559 count = cmd->reg_count;
560 start = cmd->start;
561 buffer = cmd->buffer.block_data;
562 if (debugs_on & DEBUG_REG)
563 DBG("%s Repeat: Register block %s\n", DIR(cmd),
564 block_name[BINDEX(cmd)]);
565 break;
566 default:
567 LOG("%s: invalid request mode\n",__func__);
568 return -EINVAL;
569 }
570
571 retval = cpia2_usb_transfer_cmd(cam,
572 buffer,
573 cmd->req_mode,
574 start, count, cmd->direction);
575 #ifdef _CPIA2_DEBUG_
576 if (debugs_on & DEBUG_REG) {
577 int i;
578 for (i = 0; i < cmd->reg_count; i++) {
579 if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_BLOCK)
580 KINFO("%s Block: [0x%02X] = 0x%02X\n",
581 DIR(cmd), start + i, buffer[i]);
582 if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_RANDOM)
583 KINFO("%s Random: [0x%02X] = 0x%02X\n",
584 DIR(cmd), cmd->buffer.registers[i].index,
585 cmd->buffer.registers[i].value);
586 }
587 }
588 #endif
589
590 return retval;
591 };
592
593 /*************
594 * Functions to implement camera functionality
595 *************/
596 /******************************************************************************
597 *
598 * cpia2_get_version_info
599 *
600 *****************************************************************************/
cpia2_get_version_info(struct camera_data * cam)601 static void cpia2_get_version_info(struct camera_data *cam)
602 {
603 cpia2_do_command(cam, CPIA2_CMD_GET_VERSION, TRANSFER_READ, 0);
604 cpia2_do_command(cam, CPIA2_CMD_GET_PNP_ID, TRANSFER_READ, 0);
605 cpia2_do_command(cam, CPIA2_CMD_GET_ASIC_TYPE, TRANSFER_READ, 0);
606 cpia2_do_command(cam, CPIA2_CMD_GET_SENSOR, TRANSFER_READ, 0);
607 cpia2_do_command(cam, CPIA2_CMD_GET_VP_DEVICE, TRANSFER_READ, 0);
608 }
609
610 /******************************************************************************
611 *
612 * cpia2_reset_camera
613 *
614 * Called at least during the open process, sets up initial params.
615 *****************************************************************************/
cpia2_reset_camera(struct camera_data * cam)616 int cpia2_reset_camera(struct camera_data *cam)
617 {
618 u8 tmp_reg;
619 int retval = 0;
620 int i;
621 struct cpia2_command cmd;
622
623 /***
624 * VC setup
625 ***/
626 retval = configure_sensor(cam,
627 cam->params.roi.width,
628 cam->params.roi.height);
629 if (retval < 0) {
630 ERR("Couldn't configure sensor, error=%d\n", retval);
631 return retval;
632 }
633
634 /* Clear FIFO and route/enable stream block */
635 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
636 cmd.direction = TRANSFER_WRITE;
637 cmd.reg_count = 2;
638 cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL;
639 cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC |
640 CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT;
641 cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL;
642 cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC |
643 CPIA2_VC_ST_CTRL_DST_USB |
644 CPIA2_VC_ST_CTRL_EOF_DETECT | CPIA2_VC_ST_CTRL_FIFO_ENABLE;
645
646 cpia2_send_command(cam, &cmd);
647
648 cpia2_set_high_power(cam);
649
650 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
651 /* Enable button notification */
652 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM;
653 cmd.buffer.registers[0].index = CPIA2_SYSTEM_INT_PACKET_CTRL;
654 cmd.buffer.registers[0].value =
655 CPIA2_SYSTEM_INT_PACKET_CTRL_ENABLE_SW_XX;
656 cmd.reg_count = 1;
657 cpia2_send_command(cam, &cmd);
658 }
659
660 schedule_timeout_interruptible(msecs_to_jiffies(100));
661
662 if (cam->params.pnp_id.device_type == DEVICE_STV_672)
663 retval = apply_vp_patch(cam);
664
665 /* wait for vp to go to sleep */
666 schedule_timeout_interruptible(msecs_to_jiffies(100));
667
668 /***
669 * If this is a 676, apply VP5 fixes before we start streaming
670 ***/
671 if (cam->params.pnp_id.device_type == DEVICE_STV_676) {
672 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP;
673
674 /* The following writes improve the picture */
675 cmd.buffer.registers[0].index = CPIA2_VP5_MYBLACK_LEVEL;
676 cmd.buffer.registers[0].value = 0; /* reduce from the default
677 * rec 601 pedestal of 16 */
678 cmd.buffer.registers[1].index = CPIA2_VP5_MCYRANGE;
679 cmd.buffer.registers[1].value = 0x92; /* increase from 100% to
680 * (256/256 - 31) to fill
681 * available range */
682 cmd.buffer.registers[2].index = CPIA2_VP5_MYCEILING;
683 cmd.buffer.registers[2].value = 0xFF; /* Increase from the
684 * default rec 601 ceiling
685 * of 240 */
686 cmd.buffer.registers[3].index = CPIA2_VP5_MCUVSATURATION;
687 cmd.buffer.registers[3].value = 0xFF; /* Increase from the rec
688 * 601 100% level (128)
689 * to 145-192 */
690 cmd.buffer.registers[4].index = CPIA2_VP5_ANTIFLKRSETUP;
691 cmd.buffer.registers[4].value = 0x80; /* Inhibit the
692 * anti-flicker */
693
694 /* The following 4 writes are a fix to allow QVGA to work at 30 fps */
695 cmd.buffer.registers[5].index = CPIA2_VP_RAM_ADDR_H;
696 cmd.buffer.registers[5].value = 0x01;
697 cmd.buffer.registers[6].index = CPIA2_VP_RAM_ADDR_L;
698 cmd.buffer.registers[6].value = 0xE3;
699 cmd.buffer.registers[7].index = CPIA2_VP_RAM_DATA;
700 cmd.buffer.registers[7].value = 0x02;
701 cmd.buffer.registers[8].index = CPIA2_VP_RAM_DATA;
702 cmd.buffer.registers[8].value = 0xFC;
703
704 cmd.direction = TRANSFER_WRITE;
705 cmd.reg_count = 9;
706
707 cpia2_send_command(cam, &cmd);
708 }
709
710 /* Activate all settings and start the data stream */
711 /* Set user mode */
712 set_default_user_mode(cam);
713
714 /* Give VP time to wake up */
715 schedule_timeout_interruptible(msecs_to_jiffies(100));
716
717 set_all_properties(cam);
718
719 cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0);
720 DBG("After SetAllProperties(cam), user mode is 0x%0X\n",
721 cam->params.vp_params.video_mode);
722
723 /***
724 * Set audio regulator off. This and the code to set the compresison
725 * state are too complex to form a CPIA2_CMD_, and seem to be somewhat
726 * intertwined. This stuff came straight from the windows driver.
727 ***/
728 /* Turn AutoExposure off in VP and enable the serial bridge to the sensor */
729 cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0);
730 tmp_reg = cam->params.vp_params.system_ctrl;
731 cmd.buffer.registers[0].value = tmp_reg &
732 (tmp_reg & (CPIA2_VP_SYSTEMCTRL_HK_CONTROL ^ 0xFF));
733
734 cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0);
735 cmd.buffer.registers[1].value = cam->params.vp_params.device_config |
736 CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE;
737 cmd.buffer.registers[0].index = CPIA2_VP_SYSTEMCTRL;
738 cmd.buffer.registers[1].index = CPIA2_VP_DEVICE_CONFIG;
739 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP;
740 cmd.reg_count = 2;
741 cmd.direction = TRANSFER_WRITE;
742 cmd.start = 0;
743 cpia2_send_command(cam, &cmd);
744
745 /* Set the correct I2C address in the CPiA-2 system register */
746 cpia2_do_command(cam,
747 CPIA2_CMD_SET_SERIAL_ADDR,
748 TRANSFER_WRITE,
749 CPIA2_SYSTEM_VP_SERIAL_ADDR_SENSOR);
750
751 /* Now have sensor access - set bit to turn the audio regulator off */
752 cpia2_do_command(cam,
753 CPIA2_CMD_SET_SENSOR_CR1,
754 TRANSFER_WRITE, CPIA2_SENSOR_CR1_DOWN_AUDIO_REGULATOR);
755
756 /* Set the correct I2C address in the CPiA-2 system register */
757 if (cam->params.pnp_id.device_type == DEVICE_STV_672)
758 cpia2_do_command(cam,
759 CPIA2_CMD_SET_SERIAL_ADDR,
760 TRANSFER_WRITE,
761 CPIA2_SYSTEM_VP_SERIAL_ADDR_VP); // 0x88
762 else
763 cpia2_do_command(cam,
764 CPIA2_CMD_SET_SERIAL_ADDR,
765 TRANSFER_WRITE,
766 CPIA2_SYSTEM_VP_SERIAL_ADDR_676_VP); // 0x8a
767
768 /* increase signal drive strength */
769 if (cam->params.pnp_id.device_type == DEVICE_STV_676)
770 cpia2_do_command(cam,
771 CPIA2_CMD_SET_VP_EXP_MODES,
772 TRANSFER_WRITE,
773 CPIA2_VP_EXPOSURE_MODES_COMPILE_EXP);
774
775 /* Start autoexposure */
776 cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0);
777 cmd.buffer.registers[0].value = cam->params.vp_params.device_config &
778 (CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE ^ 0xFF);
779
780 cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0);
781 cmd.buffer.registers[1].value =
782 cam->params.vp_params.system_ctrl | CPIA2_VP_SYSTEMCTRL_HK_CONTROL;
783
784 cmd.buffer.registers[0].index = CPIA2_VP_DEVICE_CONFIG;
785 cmd.buffer.registers[1].index = CPIA2_VP_SYSTEMCTRL;
786 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP;
787 cmd.reg_count = 2;
788 cmd.direction = TRANSFER_WRITE;
789
790 cpia2_send_command(cam, &cmd);
791
792 /* Set compression state */
793 cpia2_do_command(cam, CPIA2_CMD_GET_VC_CONTROL, TRANSFER_READ, 0);
794 if (cam->params.compression.inhibit_htables) {
795 tmp_reg = cam->params.vc_params.vc_control |
796 CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES;
797 } else {
798 tmp_reg = cam->params.vc_params.vc_control &
799 ~CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES;
800 }
801 cpia2_do_command(cam, CPIA2_CMD_SET_VC_CONTROL, TRANSFER_WRITE,tmp_reg);
802
803 /* Set target size (kb) on vc */
804 cpia2_do_command(cam, CPIA2_CMD_SET_TARGET_KB,
805 TRANSFER_WRITE, cam->params.vc_params.target_kb);
806
807 /* Wiggle VC Reset */
808 /***
809 * First read and wait a bit.
810 ***/
811 for (i = 0; i < 50; i++) {
812 cpia2_do_command(cam, CPIA2_CMD_GET_PW_CONTROL,
813 TRANSFER_READ, 0);
814 }
815
816 tmp_reg = cam->params.vc_params.pw_control;
817 tmp_reg &= ~CPIA2_VC_PW_CTRL_VC_RESET_N;
818
819 cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg);
820
821 tmp_reg |= CPIA2_VC_PW_CTRL_VC_RESET_N;
822 cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg);
823
824 cpia2_do_command(cam, CPIA2_CMD_SET_DEF_JPEG_OPT, TRANSFER_WRITE, 0);
825
826 cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0);
827 DBG("After VC RESET, user mode is 0x%0X\n",
828 cam->params.vp_params.video_mode);
829
830 return retval;
831 }
832
833 /******************************************************************************
834 *
835 * cpia2_set_high_power
836 *
837 *****************************************************************************/
cpia2_set_high_power(struct camera_data * cam)838 static int cpia2_set_high_power(struct camera_data *cam)
839 {
840 int i;
841 for (i = 0; i <= 50; i++) {
842 /* Read system status */
843 cpia2_do_command(cam,CPIA2_CMD_GET_SYSTEM_CTRL,TRANSFER_READ,0);
844
845 /* If there is an error, clear it */
846 if(cam->params.camera_state.system_ctrl &
847 CPIA2_SYSTEM_CONTROL_V2W_ERR)
848 cpia2_do_command(cam, CPIA2_CMD_CLEAR_V2W_ERR,
849 TRANSFER_WRITE, 0);
850
851 /* Try to set high power mode */
852 cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL,
853 TRANSFER_WRITE, 1);
854
855 /* Try to read something in VP to check if everything is awake */
856 cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_STATE,
857 TRANSFER_READ, 0);
858 if (cam->params.vp_params.system_state &
859 CPIA2_VP_SYSTEMSTATE_HK_ALIVE) {
860 break;
861 } else if (i == 50) {
862 cam->params.camera_state.power_mode = LO_POWER_MODE;
863 ERR("Camera did not wake up\n");
864 return -EIO;
865 }
866 }
867
868 DBG("System now in high power state\n");
869 cam->params.camera_state.power_mode = HI_POWER_MODE;
870 return 0;
871 }
872
873 /******************************************************************************
874 *
875 * cpia2_set_low_power
876 *
877 *****************************************************************************/
cpia2_set_low_power(struct camera_data * cam)878 int cpia2_set_low_power(struct camera_data *cam)
879 {
880 cam->params.camera_state.power_mode = LO_POWER_MODE;
881 cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL, TRANSFER_WRITE, 0);
882 return 0;
883 }
884
885 /******************************************************************************
886 *
887 * apply_vp_patch
888 *
889 *****************************************************************************/
cpia2_send_onebyte_command(struct camera_data * cam,struct cpia2_command * cmd,u8 start,u8 datum)890 static int cpia2_send_onebyte_command(struct camera_data *cam,
891 struct cpia2_command *cmd,
892 u8 start, u8 datum)
893 {
894 cmd->buffer.block_data[0] = datum;
895 cmd->start = start;
896 cmd->reg_count = 1;
897 return cpia2_send_command(cam, cmd);
898 }
899
apply_vp_patch(struct camera_data * cam)900 static int apply_vp_patch(struct camera_data *cam)
901 {
902 const struct firmware *fw;
903 const char fw_name[] = "cpia2/stv0672_vp4.bin";
904 int i, ret;
905 struct cpia2_command cmd;
906
907 ret = request_firmware(&fw, fw_name, &cam->dev->dev);
908 if (ret) {
909 printk(KERN_ERR "cpia2: failed to load VP patch \"%s\"\n",
910 fw_name);
911 return ret;
912 }
913
914 cmd.req_mode = CAMERAACCESS_TYPE_REPEAT | CAMERAACCESS_VP;
915 cmd.direction = TRANSFER_WRITE;
916
917 /* First send the start address... */
918 cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */
919 cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */
920
921 /* ... followed by the data payload */
922 for (i = 2; i < fw->size; i += 64) {
923 cmd.start = 0x0C; /* Data */
924 cmd.reg_count = min_t(int, 64, fw->size - i);
925 memcpy(cmd.buffer.block_data, &fw->data[i], cmd.reg_count);
926 cpia2_send_command(cam, &cmd);
927 }
928
929 /* Next send the start address... */
930 cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */
931 cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */
932
933 /* ... followed by the 'goto' command */
934 cpia2_send_onebyte_command(cam, &cmd, 0x0D, 1);
935
936 release_firmware(fw);
937 return 0;
938 }
939
940 /******************************************************************************
941 *
942 * set_default_user_mode
943 *
944 *****************************************************************************/
set_default_user_mode(struct camera_data * cam)945 static int set_default_user_mode(struct camera_data *cam)
946 {
947 unsigned char user_mode;
948 unsigned char frame_rate;
949 int width = cam->params.roi.width;
950 int height = cam->params.roi.height;
951
952 switch (cam->params.version.sensor_flags) {
953 case CPIA2_VP_SENSOR_FLAGS_404:
954 case CPIA2_VP_SENSOR_FLAGS_407:
955 case CPIA2_VP_SENSOR_FLAGS_409:
956 case CPIA2_VP_SENSOR_FLAGS_410:
957 if ((width > STV_IMAGE_QCIF_COLS)
958 || (height > STV_IMAGE_QCIF_ROWS)) {
959 user_mode = CPIA2_VP_USER_MODE_CIF;
960 } else {
961 user_mode = CPIA2_VP_USER_MODE_QCIFDS;
962 }
963 frame_rate = CPIA2_VP_FRAMERATE_30;
964 break;
965 case CPIA2_VP_SENSOR_FLAGS_500:
966 if ((width > STV_IMAGE_CIF_COLS)
967 || (height > STV_IMAGE_CIF_ROWS)) {
968 user_mode = CPIA2_VP_USER_MODE_VGA;
969 } else {
970 user_mode = CPIA2_VP_USER_MODE_QVGADS;
971 }
972 if (cam->params.pnp_id.device_type == DEVICE_STV_672)
973 frame_rate = CPIA2_VP_FRAMERATE_15;
974 else
975 frame_rate = CPIA2_VP_FRAMERATE_30;
976 break;
977 default:
978 LOG("%s: Invalid sensor flag value 0x%0X\n",__func__,
979 cam->params.version.sensor_flags);
980 return -EINVAL;
981 }
982
983 DBG("Sensor flag = 0x%0x, user mode = 0x%0x, frame rate = 0x%X\n",
984 cam->params.version.sensor_flags, user_mode, frame_rate);
985 cpia2_do_command(cam, CPIA2_CMD_SET_USER_MODE, TRANSFER_WRITE,
986 user_mode);
987 if(cam->params.vp_params.frame_rate > 0 &&
988 frame_rate > cam->params.vp_params.frame_rate)
989 frame_rate = cam->params.vp_params.frame_rate;
990
991 cpia2_set_fps(cam, frame_rate);
992
993 // if (cam->params.pnp_id.device_type == DEVICE_STV_676)
994 // cpia2_do_command(cam,
995 // CPIA2_CMD_SET_VP_SYSTEM_CTRL,
996 // TRANSFER_WRITE,
997 // CPIA2_VP_SYSTEMCTRL_HK_CONTROL |
998 // CPIA2_VP_SYSTEMCTRL_POWER_CONTROL);
999
1000 return 0;
1001 }
1002
1003 /******************************************************************************
1004 *
1005 * cpia2_match_video_size
1006 *
1007 * return the best match, where 'best' is as always
1008 * the largest that is not bigger than what is requested.
1009 *****************************************************************************/
cpia2_match_video_size(int width,int height)1010 int cpia2_match_video_size(int width, int height)
1011 {
1012 if (width >= STV_IMAGE_VGA_COLS && height >= STV_IMAGE_VGA_ROWS)
1013 return VIDEOSIZE_VGA;
1014
1015 if (width >= STV_IMAGE_CIF_COLS && height >= STV_IMAGE_CIF_ROWS)
1016 return VIDEOSIZE_CIF;
1017
1018 if (width >= STV_IMAGE_QVGA_COLS && height >= STV_IMAGE_QVGA_ROWS)
1019 return VIDEOSIZE_QVGA;
1020
1021 if (width >= 288 && height >= 216)
1022 return VIDEOSIZE_288_216;
1023
1024 if (width >= 256 && height >= 192)
1025 return VIDEOSIZE_256_192;
1026
1027 if (width >= 224 && height >= 168)
1028 return VIDEOSIZE_224_168;
1029
1030 if (width >= 192 && height >= 144)
1031 return VIDEOSIZE_192_144;
1032
1033 if (width >= STV_IMAGE_QCIF_COLS && height >= STV_IMAGE_QCIF_ROWS)
1034 return VIDEOSIZE_QCIF;
1035
1036 return -1;
1037 }
1038
1039 /******************************************************************************
1040 *
1041 * SetVideoSize
1042 *
1043 *****************************************************************************/
set_vw_size(struct camera_data * cam,int size)1044 static int set_vw_size(struct camera_data *cam, int size)
1045 {
1046 int retval = 0;
1047
1048 cam->params.vp_params.video_size = size;
1049
1050 switch (size) {
1051 case VIDEOSIZE_VGA:
1052 DBG("Setting size to VGA\n");
1053 cam->params.roi.width = STV_IMAGE_VGA_COLS;
1054 cam->params.roi.height = STV_IMAGE_VGA_ROWS;
1055 cam->width = STV_IMAGE_VGA_COLS;
1056 cam->height = STV_IMAGE_VGA_ROWS;
1057 break;
1058 case VIDEOSIZE_CIF:
1059 DBG("Setting size to CIF\n");
1060 cam->params.roi.width = STV_IMAGE_CIF_COLS;
1061 cam->params.roi.height = STV_IMAGE_CIF_ROWS;
1062 cam->width = STV_IMAGE_CIF_COLS;
1063 cam->height = STV_IMAGE_CIF_ROWS;
1064 break;
1065 case VIDEOSIZE_QVGA:
1066 DBG("Setting size to QVGA\n");
1067 cam->params.roi.width = STV_IMAGE_QVGA_COLS;
1068 cam->params.roi.height = STV_IMAGE_QVGA_ROWS;
1069 cam->width = STV_IMAGE_QVGA_COLS;
1070 cam->height = STV_IMAGE_QVGA_ROWS;
1071 break;
1072 case VIDEOSIZE_288_216:
1073 cam->params.roi.width = 288;
1074 cam->params.roi.height = 216;
1075 cam->width = 288;
1076 cam->height = 216;
1077 break;
1078 case VIDEOSIZE_256_192:
1079 cam->width = 256;
1080 cam->height = 192;
1081 cam->params.roi.width = 256;
1082 cam->params.roi.height = 192;
1083 break;
1084 case VIDEOSIZE_224_168:
1085 cam->width = 224;
1086 cam->height = 168;
1087 cam->params.roi.width = 224;
1088 cam->params.roi.height = 168;
1089 break;
1090 case VIDEOSIZE_192_144:
1091 cam->width = 192;
1092 cam->height = 144;
1093 cam->params.roi.width = 192;
1094 cam->params.roi.height = 144;
1095 break;
1096 case VIDEOSIZE_QCIF:
1097 DBG("Setting size to QCIF\n");
1098 cam->params.roi.width = STV_IMAGE_QCIF_COLS;
1099 cam->params.roi.height = STV_IMAGE_QCIF_ROWS;
1100 cam->width = STV_IMAGE_QCIF_COLS;
1101 cam->height = STV_IMAGE_QCIF_ROWS;
1102 break;
1103 default:
1104 retval = -EINVAL;
1105 }
1106 return retval;
1107 }
1108
1109 /******************************************************************************
1110 *
1111 * configure_sensor
1112 *
1113 *****************************************************************************/
configure_sensor(struct camera_data * cam,int req_width,int req_height)1114 static int configure_sensor(struct camera_data *cam,
1115 int req_width, int req_height)
1116 {
1117 int retval;
1118
1119 switch (cam->params.version.sensor_flags) {
1120 case CPIA2_VP_SENSOR_FLAGS_404:
1121 case CPIA2_VP_SENSOR_FLAGS_407:
1122 case CPIA2_VP_SENSOR_FLAGS_409:
1123 case CPIA2_VP_SENSOR_FLAGS_410:
1124 retval = config_sensor_410(cam, req_width, req_height);
1125 break;
1126 case CPIA2_VP_SENSOR_FLAGS_500:
1127 retval = config_sensor_500(cam, req_width, req_height);
1128 break;
1129 default:
1130 return -EINVAL;
1131 }
1132
1133 return retval;
1134 }
1135
1136 /******************************************************************************
1137 *
1138 * config_sensor_410
1139 *
1140 *****************************************************************************/
config_sensor_410(struct camera_data * cam,int req_width,int req_height)1141 static int config_sensor_410(struct camera_data *cam,
1142 int req_width, int req_height)
1143 {
1144 struct cpia2_command cmd;
1145 int i = 0;
1146 int image_size;
1147 int image_type;
1148 int width = req_width;
1149 int height = req_height;
1150
1151 /***
1152 * Make sure size doesn't exceed CIF.
1153 ***/
1154 if (width > STV_IMAGE_CIF_COLS)
1155 width = STV_IMAGE_CIF_COLS;
1156 if (height > STV_IMAGE_CIF_ROWS)
1157 height = STV_IMAGE_CIF_ROWS;
1158
1159 image_size = cpia2_match_video_size(width, height);
1160
1161 DBG("Config 410: width = %d, height = %d\n", width, height);
1162 DBG("Image size returned is %d\n", image_size);
1163 if (image_size >= 0) {
1164 set_vw_size(cam, image_size);
1165 width = cam->params.roi.width;
1166 height = cam->params.roi.height;
1167
1168 DBG("After set_vw_size(), width = %d, height = %d\n",
1169 width, height);
1170 if (width <= 176 && height <= 144) {
1171 DBG("image type = VIDEOSIZE_QCIF\n");
1172 image_type = VIDEOSIZE_QCIF;
1173 }
1174 else if (width <= 320 && height <= 240) {
1175 DBG("image type = VIDEOSIZE_QVGA\n");
1176 image_type = VIDEOSIZE_QVGA;
1177 }
1178 else {
1179 DBG("image type = VIDEOSIZE_CIF\n");
1180 image_type = VIDEOSIZE_CIF;
1181 }
1182 } else {
1183 ERR("ConfigSensor410 failed\n");
1184 return -EINVAL;
1185 }
1186
1187 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
1188 cmd.direction = TRANSFER_WRITE;
1189
1190 /* VC Format */
1191 cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT;
1192 if (image_type == VIDEOSIZE_CIF) {
1193 cmd.buffer.registers[i++].value =
1194 (u8) (CPIA2_VC_VC_FORMAT_UFIRST |
1195 CPIA2_VC_VC_FORMAT_SHORTLINE);
1196 } else {
1197 cmd.buffer.registers[i++].value =
1198 (u8) CPIA2_VC_VC_FORMAT_UFIRST;
1199 }
1200
1201 /* VC Clocks */
1202 cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS;
1203 if (image_type == VIDEOSIZE_QCIF) {
1204 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
1205 cmd.buffer.registers[i++].value=
1206 (u8)(CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 |
1207 CPIA2_VC_VC_672_CLOCKS_SCALING |
1208 CPIA2_VC_VC_CLOCKS_LOGDIV2);
1209 DBG("VC_Clocks (0xc4) should be B\n");
1210 }
1211 else {
1212 cmd.buffer.registers[i++].value=
1213 (u8)(CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 |
1214 CPIA2_VC_VC_CLOCKS_LOGDIV2);
1215 }
1216 } else {
1217 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
1218 cmd.buffer.registers[i++].value =
1219 (u8) (CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 |
1220 CPIA2_VC_VC_CLOCKS_LOGDIV0);
1221 }
1222 else {
1223 cmd.buffer.registers[i++].value =
1224 (u8) (CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 |
1225 CPIA2_VC_VC_676_CLOCKS_SCALING |
1226 CPIA2_VC_VC_CLOCKS_LOGDIV0);
1227 }
1228 }
1229 DBG("VC_Clocks (0xc4) = 0x%0X\n", cmd.buffer.registers[i-1].value);
1230
1231 /* Input reqWidth from VC */
1232 cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO;
1233 if (image_type == VIDEOSIZE_QCIF)
1234 cmd.buffer.registers[i++].value =
1235 (u8) (STV_IMAGE_QCIF_COLS / 4);
1236 else
1237 cmd.buffer.registers[i++].value =
1238 (u8) (STV_IMAGE_CIF_COLS / 4);
1239
1240 /* Timings */
1241 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI;
1242 if (image_type == VIDEOSIZE_QCIF)
1243 cmd.buffer.registers[i++].value = (u8) 0;
1244 else
1245 cmd.buffer.registers[i++].value = (u8) 1;
1246
1247 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO;
1248 if (image_type == VIDEOSIZE_QCIF)
1249 cmd.buffer.registers[i++].value = (u8) 208;
1250 else
1251 cmd.buffer.registers[i++].value = (u8) 160;
1252
1253 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI;
1254 if (image_type == VIDEOSIZE_QCIF)
1255 cmd.buffer.registers[i++].value = (u8) 0;
1256 else
1257 cmd.buffer.registers[i++].value = (u8) 1;
1258
1259 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO;
1260 if (image_type == VIDEOSIZE_QCIF)
1261 cmd.buffer.registers[i++].value = (u8) 160;
1262 else
1263 cmd.buffer.registers[i++].value = (u8) 64;
1264
1265 /* Output Image Size */
1266 cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE;
1267 cmd.buffer.registers[i++].value = cam->params.roi.width / 4;
1268
1269 cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE;
1270 cmd.buffer.registers[i++].value = cam->params.roi.height / 4;
1271
1272 /* Cropping */
1273 cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP;
1274 if (image_type == VIDEOSIZE_QCIF)
1275 cmd.buffer.registers[i++].value =
1276 (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2);
1277 else
1278 cmd.buffer.registers[i++].value =
1279 (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2);
1280
1281 cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP;
1282 if (image_type == VIDEOSIZE_QCIF)
1283 cmd.buffer.registers[i++].value =
1284 (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2);
1285 else
1286 cmd.buffer.registers[i++].value =
1287 (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2);
1288
1289 /* Scaling registers (defaults) */
1290 cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE;
1291 cmd.buffer.registers[i++].value = (u8) 0;
1292
1293 cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE;
1294 cmd.buffer.registers[i++].value = (u8) 0;
1295
1296 cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN;
1297 cmd.buffer.registers[i++].value = (u8) 31;
1298
1299 cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN;
1300 cmd.buffer.registers[i++].value = (u8) 31;
1301
1302 cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP;
1303 cmd.buffer.registers[i++].value = (u8) 0;
1304
1305 cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP;
1306 cmd.buffer.registers[i++].value = (u8) 0;
1307
1308 cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT;
1309 cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */
1310
1311 cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT;
1312 cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */
1313
1314 cmd.reg_count = i;
1315
1316 cpia2_send_command(cam, &cmd);
1317
1318 return i;
1319 }
1320
1321
1322 /******************************************************************************
1323 *
1324 * config_sensor_500(cam)
1325 *
1326 *****************************************************************************/
config_sensor_500(struct camera_data * cam,int req_width,int req_height)1327 static int config_sensor_500(struct camera_data *cam,
1328 int req_width, int req_height)
1329 {
1330 struct cpia2_command cmd;
1331 int i = 0;
1332 int image_size = VIDEOSIZE_CIF;
1333 int image_type = VIDEOSIZE_VGA;
1334 int width = req_width;
1335 int height = req_height;
1336 unsigned int device = cam->params.pnp_id.device_type;
1337
1338 image_size = cpia2_match_video_size(width, height);
1339
1340 if (width > STV_IMAGE_CIF_COLS || height > STV_IMAGE_CIF_ROWS)
1341 image_type = VIDEOSIZE_VGA;
1342 else if (width > STV_IMAGE_QVGA_COLS || height > STV_IMAGE_QVGA_ROWS)
1343 image_type = VIDEOSIZE_CIF;
1344 else if (width > STV_IMAGE_QCIF_COLS || height > STV_IMAGE_QCIF_ROWS)
1345 image_type = VIDEOSIZE_QVGA;
1346 else
1347 image_type = VIDEOSIZE_QCIF;
1348
1349 if (image_size >= 0) {
1350 set_vw_size(cam, image_size);
1351 width = cam->params.roi.width;
1352 height = cam->params.roi.height;
1353 } else {
1354 ERR("ConfigSensor500 failed\n");
1355 return -EINVAL;
1356 }
1357
1358 DBG("image_size = %d, width = %d, height = %d, type = %d\n",
1359 image_size, width, height, image_type);
1360
1361 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
1362 cmd.direction = TRANSFER_WRITE;
1363 i = 0;
1364
1365 /* VC Format */
1366 cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT;
1367 cmd.buffer.registers[i].value = (u8) CPIA2_VC_VC_FORMAT_UFIRST;
1368 if (image_type == VIDEOSIZE_QCIF)
1369 cmd.buffer.registers[i].value |= (u8) CPIA2_VC_VC_FORMAT_DECIMATING;
1370 i++;
1371
1372 /* VC Clocks */
1373 cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS;
1374 if (device == DEVICE_STV_672) {
1375 if (image_type == VIDEOSIZE_VGA)
1376 cmd.buffer.registers[i].value =
1377 (u8)CPIA2_VC_VC_CLOCKS_LOGDIV1;
1378 else
1379 cmd.buffer.registers[i].value =
1380 (u8)(CPIA2_VC_VC_672_CLOCKS_SCALING |
1381 CPIA2_VC_VC_CLOCKS_LOGDIV3);
1382 } else {
1383 if (image_type == VIDEOSIZE_VGA)
1384 cmd.buffer.registers[i].value =
1385 (u8)CPIA2_VC_VC_CLOCKS_LOGDIV0;
1386 else
1387 cmd.buffer.registers[i].value =
1388 (u8)(CPIA2_VC_VC_676_CLOCKS_SCALING |
1389 CPIA2_VC_VC_CLOCKS_LOGDIV2);
1390 }
1391 i++;
1392
1393 DBG("VC_CLOCKS = 0x%X\n", cmd.buffer.registers[i-1].value);
1394
1395 /* Input width from VP */
1396 cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO;
1397 if (image_type == VIDEOSIZE_VGA)
1398 cmd.buffer.registers[i].value =
1399 (u8) (STV_IMAGE_VGA_COLS / 4);
1400 else
1401 cmd.buffer.registers[i].value =
1402 (u8) (STV_IMAGE_QVGA_COLS / 4);
1403 i++;
1404 DBG("Input width = %d\n", cmd.buffer.registers[i-1].value);
1405
1406 /* Timings */
1407 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI;
1408 if (image_type == VIDEOSIZE_VGA)
1409 cmd.buffer.registers[i++].value = (u8) 2;
1410 else
1411 cmd.buffer.registers[i++].value = (u8) 1;
1412
1413 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO;
1414 if (image_type == VIDEOSIZE_VGA)
1415 cmd.buffer.registers[i++].value = (u8) 250;
1416 else if (image_type == VIDEOSIZE_QVGA)
1417 cmd.buffer.registers[i++].value = (u8) 125;
1418 else
1419 cmd.buffer.registers[i++].value = (u8) 160;
1420
1421 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI;
1422 if (image_type == VIDEOSIZE_VGA)
1423 cmd.buffer.registers[i++].value = (u8) 2;
1424 else
1425 cmd.buffer.registers[i++].value = (u8) 1;
1426
1427 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO;
1428 if (image_type == VIDEOSIZE_VGA)
1429 cmd.buffer.registers[i++].value = (u8) 12;
1430 else if (image_type == VIDEOSIZE_QVGA)
1431 cmd.buffer.registers[i++].value = (u8) 64;
1432 else
1433 cmd.buffer.registers[i++].value = (u8) 6;
1434
1435 /* Output Image Size */
1436 cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE;
1437 if (image_type == VIDEOSIZE_QCIF)
1438 cmd.buffer.registers[i++].value = STV_IMAGE_CIF_COLS / 4;
1439 else
1440 cmd.buffer.registers[i++].value = width / 4;
1441
1442 cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE;
1443 if (image_type == VIDEOSIZE_QCIF)
1444 cmd.buffer.registers[i++].value = STV_IMAGE_CIF_ROWS / 4;
1445 else
1446 cmd.buffer.registers[i++].value = height / 4;
1447
1448 /* Cropping */
1449 cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP;
1450 if (image_type == VIDEOSIZE_VGA)
1451 cmd.buffer.registers[i++].value =
1452 (u8) (((STV_IMAGE_VGA_COLS / 4) - (width / 4)) / 2);
1453 else if (image_type == VIDEOSIZE_QVGA)
1454 cmd.buffer.registers[i++].value =
1455 (u8) (((STV_IMAGE_QVGA_COLS / 4) - (width / 4)) / 2);
1456 else if (image_type == VIDEOSIZE_CIF)
1457 cmd.buffer.registers[i++].value =
1458 (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2);
1459 else /*if (image_type == VIDEOSIZE_QCIF)*/
1460 cmd.buffer.registers[i++].value =
1461 (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2);
1462
1463 cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP;
1464 if (image_type == VIDEOSIZE_VGA)
1465 cmd.buffer.registers[i++].value =
1466 (u8) (((STV_IMAGE_VGA_ROWS / 4) - (height / 4)) / 2);
1467 else if (image_type == VIDEOSIZE_QVGA)
1468 cmd.buffer.registers[i++].value =
1469 (u8) (((STV_IMAGE_QVGA_ROWS / 4) - (height / 4)) / 2);
1470 else if (image_type == VIDEOSIZE_CIF)
1471 cmd.buffer.registers[i++].value =
1472 (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2);
1473 else /*if (image_type == VIDEOSIZE_QCIF)*/
1474 cmd.buffer.registers[i++].value =
1475 (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2);
1476
1477 /* Scaling registers (defaults) */
1478 cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE;
1479 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1480 cmd.buffer.registers[i++].value = (u8) 36;
1481 else
1482 cmd.buffer.registers[i++].value = (u8) 0;
1483
1484 cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE;
1485 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1486 cmd.buffer.registers[i++].value = (u8) 32;
1487 else
1488 cmd.buffer.registers[i++].value = (u8) 0;
1489
1490 cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN;
1491 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1492 cmd.buffer.registers[i++].value = (u8) 26;
1493 else
1494 cmd.buffer.registers[i++].value = (u8) 31;
1495
1496 cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN;
1497 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1498 cmd.buffer.registers[i++].value = (u8) 21;
1499 else
1500 cmd.buffer.registers[i++].value = (u8) 31;
1501
1502 cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP;
1503 cmd.buffer.registers[i++].value = (u8) 0;
1504
1505 cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP;
1506 cmd.buffer.registers[i++].value = (u8) 0;
1507
1508 cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT;
1509 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1510 cmd.buffer.registers[i++].value = (u8) 0x2B; /* 2/11 */
1511 else
1512 cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */
1513
1514 cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT;
1515 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1516 cmd.buffer.registers[i++].value = (u8) 0x13; /* 1/3 */
1517 else
1518 cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */
1519
1520 cmd.reg_count = i;
1521
1522 cpia2_send_command(cam, &cmd);
1523
1524 return i;
1525 }
1526
1527
1528 /******************************************************************************
1529 *
1530 * setallproperties
1531 *
1532 * This sets all user changeable properties to the values in cam->params.
1533 *****************************************************************************/
set_all_properties(struct camera_data * cam)1534 static int set_all_properties(struct camera_data *cam)
1535 {
1536 /**
1537 * Don't set target_kb here, it will be set later.
1538 * framerate and user_mode were already set (set_default_user_mode).
1539 **/
1540
1541 cpia2_set_color_params(cam);
1542
1543 cpia2_usb_change_streaming_alternate(cam,
1544 cam->params.camera_state.stream_mode);
1545
1546 cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE,
1547 cam->params.vp_params.user_effects);
1548
1549 cpia2_set_flicker_mode(cam,
1550 cam->params.flicker_control.flicker_mode_req);
1551
1552 cpia2_do_command(cam,
1553 CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION,
1554 TRANSFER_WRITE, cam->params.vp_params.gpio_direction);
1555 cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA, TRANSFER_WRITE,
1556 cam->params.vp_params.gpio_data);
1557
1558 wake_system(cam);
1559
1560 set_lowlight_boost(cam);
1561
1562 return 0;
1563 }
1564
1565 /******************************************************************************
1566 *
1567 * cpia2_save_camera_state
1568 *
1569 *****************************************************************************/
cpia2_save_camera_state(struct camera_data * cam)1570 void cpia2_save_camera_state(struct camera_data *cam)
1571 {
1572 get_color_params(cam);
1573 cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0);
1574 cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION, TRANSFER_READ,
1575 0);
1576 cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DATA, TRANSFER_READ, 0);
1577 /* Don't get framerate or target_kb. Trust the values we already have */
1578 }
1579
1580 /******************************************************************************
1581 *
1582 * get_color_params
1583 *
1584 *****************************************************************************/
get_color_params(struct camera_data * cam)1585 static void get_color_params(struct camera_data *cam)
1586 {
1587 cpia2_do_command(cam, CPIA2_CMD_GET_VP_BRIGHTNESS, TRANSFER_READ, 0);
1588 cpia2_do_command(cam, CPIA2_CMD_GET_VP_SATURATION, TRANSFER_READ, 0);
1589 cpia2_do_command(cam, CPIA2_CMD_GET_CONTRAST, TRANSFER_READ, 0);
1590 }
1591
1592 /******************************************************************************
1593 *
1594 * cpia2_set_color_params
1595 *
1596 *****************************************************************************/
cpia2_set_color_params(struct camera_data * cam)1597 void cpia2_set_color_params(struct camera_data *cam)
1598 {
1599 DBG("Setting color params\n");
1600 cpia2_set_brightness(cam, cam->params.color_params.brightness);
1601 cpia2_set_contrast(cam, cam->params.color_params.contrast);
1602 cpia2_set_saturation(cam, cam->params.color_params.saturation);
1603 }
1604
1605 /******************************************************************************
1606 *
1607 * cpia2_set_flicker_mode
1608 *
1609 *****************************************************************************/
cpia2_set_flicker_mode(struct camera_data * cam,int mode)1610 int cpia2_set_flicker_mode(struct camera_data *cam, int mode)
1611 {
1612 unsigned char cam_reg;
1613 int err = 0;
1614
1615 if(cam->params.pnp_id.device_type != DEVICE_STV_672)
1616 return -EINVAL;
1617
1618 /* Set the appropriate bits in FLICKER_MODES, preserving the rest */
1619 if((err = cpia2_do_command(cam, CPIA2_CMD_GET_FLICKER_MODES,
1620 TRANSFER_READ, 0)))
1621 return err;
1622 cam_reg = cam->params.flicker_control.cam_register;
1623
1624 switch(mode) {
1625 case NEVER_FLICKER:
1626 cam_reg |= CPIA2_VP_FLICKER_MODES_NEVER_FLICKER;
1627 cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ;
1628 break;
1629 case FLICKER_60:
1630 cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER;
1631 cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ;
1632 break;
1633 case FLICKER_50:
1634 cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER;
1635 cam_reg |= CPIA2_VP_FLICKER_MODES_50HZ;
1636 break;
1637 default:
1638 return -EINVAL;
1639 }
1640
1641 if((err = cpia2_do_command(cam, CPIA2_CMD_SET_FLICKER_MODES,
1642 TRANSFER_WRITE, cam_reg)))
1643 return err;
1644
1645 /* Set the appropriate bits in EXP_MODES, preserving the rest */
1646 if((err = cpia2_do_command(cam, CPIA2_CMD_GET_VP_EXP_MODES,
1647 TRANSFER_READ, 0)))
1648 return err;
1649 cam_reg = cam->params.vp_params.exposure_modes;
1650
1651 if (mode == NEVER_FLICKER) {
1652 cam_reg |= CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER;
1653 } else {
1654 cam_reg &= ~CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER;
1655 }
1656
1657 if((err = cpia2_do_command(cam, CPIA2_CMD_SET_VP_EXP_MODES,
1658 TRANSFER_WRITE, cam_reg)))
1659 return err;
1660
1661 if((err = cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4,
1662 TRANSFER_WRITE, 1)))
1663 return err;
1664
1665 switch(mode) {
1666 case NEVER_FLICKER:
1667 cam->params.flicker_control.flicker_mode_req = mode;
1668 break;
1669 case FLICKER_60:
1670 cam->params.flicker_control.flicker_mode_req = mode;
1671 cam->params.flicker_control.mains_frequency = 60;
1672 break;
1673 case FLICKER_50:
1674 cam->params.flicker_control.flicker_mode_req = mode;
1675 cam->params.flicker_control.mains_frequency = 50;
1676 break;
1677 default:
1678 err = -EINVAL;
1679 }
1680
1681 return err;
1682 }
1683
1684 /******************************************************************************
1685 *
1686 * cpia2_set_property_flip
1687 *
1688 *****************************************************************************/
cpia2_set_property_flip(struct camera_data * cam,int prop_val)1689 void cpia2_set_property_flip(struct camera_data *cam, int prop_val)
1690 {
1691 unsigned char cam_reg;
1692
1693 cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0);
1694 cam_reg = cam->params.vp_params.user_effects;
1695
1696 if (prop_val)
1697 {
1698 cam_reg |= CPIA2_VP_USER_EFFECTS_FLIP;
1699 }
1700 else
1701 {
1702 cam_reg &= ~CPIA2_VP_USER_EFFECTS_FLIP;
1703 }
1704 cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE,
1705 cam_reg);
1706 }
1707
1708 /******************************************************************************
1709 *
1710 * cpia2_set_property_mirror
1711 *
1712 *****************************************************************************/
cpia2_set_property_mirror(struct camera_data * cam,int prop_val)1713 void cpia2_set_property_mirror(struct camera_data *cam, int prop_val)
1714 {
1715 unsigned char cam_reg;
1716
1717 cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0);
1718 cam_reg = cam->params.vp_params.user_effects;
1719
1720 if (prop_val)
1721 {
1722 cam_reg |= CPIA2_VP_USER_EFFECTS_MIRROR;
1723 }
1724 else
1725 {
1726 cam_reg &= ~CPIA2_VP_USER_EFFECTS_MIRROR;
1727 }
1728 cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE,
1729 cam_reg);
1730 }
1731
1732 /******************************************************************************
1733 *
1734 * set_target_kb
1735 *
1736 * The new Target KB is set in cam->params.vc_params.target_kb and
1737 * activates on reset.
1738 *****************************************************************************/
1739
cpia2_set_target_kb(struct camera_data * cam,unsigned char value)1740 int cpia2_set_target_kb(struct camera_data *cam, unsigned char value)
1741 {
1742 DBG("Requested target_kb = %d\n", value);
1743 if (value != cam->params.vc_params.target_kb) {
1744
1745 cpia2_usb_stream_pause(cam);
1746
1747 /* reset camera for new target_kb */
1748 cam->params.vc_params.target_kb = value;
1749 cpia2_reset_camera(cam);
1750
1751 cpia2_usb_stream_resume(cam);
1752 }
1753
1754 return 0;
1755 }
1756
1757 /******************************************************************************
1758 *
1759 * cpia2_set_gpio
1760 *
1761 *****************************************************************************/
cpia2_set_gpio(struct camera_data * cam,unsigned char setting)1762 int cpia2_set_gpio(struct camera_data *cam, unsigned char setting)
1763 {
1764 int ret;
1765
1766 /* Set the microport direction (register 0x90, should be defined
1767 * already) to 1 (user output), and set the microport data (0x91) to
1768 * the value in the ioctl argument.
1769 */
1770
1771 ret = cpia2_do_command(cam,
1772 CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION,
1773 CPIA2_VC_MP_DIR_OUTPUT,
1774 255);
1775 if (ret < 0)
1776 return ret;
1777 cam->params.vp_params.gpio_direction = 255;
1778
1779 ret = cpia2_do_command(cam,
1780 CPIA2_CMD_SET_VC_MP_GPIO_DATA,
1781 CPIA2_VC_MP_DIR_OUTPUT,
1782 setting);
1783 if (ret < 0)
1784 return ret;
1785 cam->params.vp_params.gpio_data = setting;
1786
1787 return 0;
1788 }
1789
1790 /******************************************************************************
1791 *
1792 * cpia2_set_fps
1793 *
1794 *****************************************************************************/
cpia2_set_fps(struct camera_data * cam,int framerate)1795 int cpia2_set_fps(struct camera_data *cam, int framerate)
1796 {
1797 int retval;
1798
1799 switch(framerate) {
1800 case CPIA2_VP_FRAMERATE_30:
1801 case CPIA2_VP_FRAMERATE_25:
1802 if(cam->params.pnp_id.device_type == DEVICE_STV_672 &&
1803 cam->params.version.sensor_flags ==
1804 CPIA2_VP_SENSOR_FLAGS_500) {
1805 return -EINVAL;
1806 }
1807 /* Fall through */
1808 case CPIA2_VP_FRAMERATE_15:
1809 case CPIA2_VP_FRAMERATE_12_5:
1810 case CPIA2_VP_FRAMERATE_7_5:
1811 case CPIA2_VP_FRAMERATE_6_25:
1812 break;
1813 default:
1814 return -EINVAL;
1815 }
1816
1817 if (cam->params.pnp_id.device_type == DEVICE_STV_672 &&
1818 framerate == CPIA2_VP_FRAMERATE_15)
1819 framerate = 0; /* Work around bug in VP4 */
1820
1821 retval = cpia2_do_command(cam,
1822 CPIA2_CMD_FRAMERATE_REQ,
1823 TRANSFER_WRITE,
1824 framerate);
1825
1826 if(retval == 0)
1827 cam->params.vp_params.frame_rate = framerate;
1828
1829 return retval;
1830 }
1831
1832 /******************************************************************************
1833 *
1834 * cpia2_set_brightness
1835 *
1836 *****************************************************************************/
cpia2_set_brightness(struct camera_data * cam,unsigned char value)1837 void cpia2_set_brightness(struct camera_data *cam, unsigned char value)
1838 {
1839 /***
1840 * Don't let the register be set to zero - bug in VP4 - flash of full
1841 * brightness
1842 ***/
1843 if (cam->params.pnp_id.device_type == DEVICE_STV_672 && value == 0)
1844 value++;
1845 DBG("Setting brightness to %d (0x%0x)\n", value, value);
1846 cpia2_do_command(cam,CPIA2_CMD_SET_VP_BRIGHTNESS, TRANSFER_WRITE,value);
1847 }
1848
1849 /******************************************************************************
1850 *
1851 * cpia2_set_contrast
1852 *
1853 *****************************************************************************/
cpia2_set_contrast(struct camera_data * cam,unsigned char value)1854 void cpia2_set_contrast(struct camera_data *cam, unsigned char value)
1855 {
1856 DBG("Setting contrast to %d (0x%0x)\n", value, value);
1857 cam->params.color_params.contrast = value;
1858 cpia2_do_command(cam, CPIA2_CMD_SET_CONTRAST, TRANSFER_WRITE, value);
1859 }
1860
1861 /******************************************************************************
1862 *
1863 * cpia2_set_saturation
1864 *
1865 *****************************************************************************/
cpia2_set_saturation(struct camera_data * cam,unsigned char value)1866 void cpia2_set_saturation(struct camera_data *cam, unsigned char value)
1867 {
1868 DBG("Setting saturation to %d (0x%0x)\n", value, value);
1869 cam->params.color_params.saturation = value;
1870 cpia2_do_command(cam,CPIA2_CMD_SET_VP_SATURATION, TRANSFER_WRITE,value);
1871 }
1872
1873 /******************************************************************************
1874 *
1875 * wake_system
1876 *
1877 *****************************************************************************/
wake_system(struct camera_data * cam)1878 static void wake_system(struct camera_data *cam)
1879 {
1880 cpia2_do_command(cam, CPIA2_CMD_SET_WAKEUP, TRANSFER_WRITE, 0);
1881 }
1882
1883 /******************************************************************************
1884 *
1885 * set_lowlight_boost
1886 *
1887 * Valid for STV500 sensor only
1888 *****************************************************************************/
set_lowlight_boost(struct camera_data * cam)1889 static void set_lowlight_boost(struct camera_data *cam)
1890 {
1891 struct cpia2_command cmd;
1892
1893 if (cam->params.pnp_id.device_type != DEVICE_STV_672 ||
1894 cam->params.version.sensor_flags != CPIA2_VP_SENSOR_FLAGS_500)
1895 return;
1896
1897 cmd.direction = TRANSFER_WRITE;
1898 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
1899 cmd.reg_count = 3;
1900 cmd.start = CPIA2_VP_RAM_ADDR_H;
1901
1902 cmd.buffer.block_data[0] = 0; /* High byte of address to write to */
1903 cmd.buffer.block_data[1] = 0x59; /* Low byte of address to write to */
1904 cmd.buffer.block_data[2] = 0; /* High byte of data to write */
1905
1906 cpia2_send_command(cam, &cmd);
1907
1908 if (cam->params.vp_params.lowlight_boost) {
1909 cmd.buffer.block_data[0] = 0x02; /* Low byte data to write */
1910 } else {
1911 cmd.buffer.block_data[0] = 0x06;
1912 }
1913 cmd.start = CPIA2_VP_RAM_DATA;
1914 cmd.reg_count = 1;
1915 cpia2_send_command(cam, &cmd);
1916
1917 /* Rehash the VP4 values */
1918 cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4, TRANSFER_WRITE, 1);
1919 }
1920
1921 /******************************************************************************
1922 *
1923 * cpia2_set_format
1924 *
1925 * Assumes that new size is already set in param struct.
1926 *****************************************************************************/
cpia2_set_format(struct camera_data * cam)1927 void cpia2_set_format(struct camera_data *cam)
1928 {
1929 cam->flush = true;
1930
1931 cpia2_usb_stream_pause(cam);
1932
1933 /* reset camera to new size */
1934 cpia2_set_low_power(cam);
1935 cpia2_reset_camera(cam);
1936 cam->flush = false;
1937
1938 cpia2_dbg_dump_registers(cam);
1939
1940 cpia2_usb_stream_resume(cam);
1941 }
1942
1943 /******************************************************************************
1944 *
1945 * cpia2_dbg_dump_registers
1946 *
1947 *****************************************************************************/
cpia2_dbg_dump_registers(struct camera_data * cam)1948 void cpia2_dbg_dump_registers(struct camera_data *cam)
1949 {
1950 #ifdef _CPIA2_DEBUG_
1951 struct cpia2_command cmd;
1952
1953 if (!(debugs_on & DEBUG_DUMP_REGS))
1954 return;
1955
1956 cmd.direction = TRANSFER_READ;
1957
1958 /* Start with bank 0 (SYSTEM) */
1959 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
1960 cmd.reg_count = 3;
1961 cmd.start = 0;
1962 cpia2_send_command(cam, &cmd);
1963 printk(KERN_DEBUG "System Device Hi = 0x%X\n",
1964 cmd.buffer.block_data[0]);
1965 printk(KERN_DEBUG "System Device Lo = 0x%X\n",
1966 cmd.buffer.block_data[1]);
1967 printk(KERN_DEBUG "System_system control = 0x%X\n",
1968 cmd.buffer.block_data[2]);
1969
1970 /* Bank 1 (VC) */
1971 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
1972 cmd.reg_count = 4;
1973 cmd.start = 0x80;
1974 cpia2_send_command(cam, &cmd);
1975 printk(KERN_DEBUG "ASIC_ID = 0x%X\n",
1976 cmd.buffer.block_data[0]);
1977 printk(KERN_DEBUG "ASIC_REV = 0x%X\n",
1978 cmd.buffer.block_data[1]);
1979 printk(KERN_DEBUG "PW_CONTRL = 0x%X\n",
1980 cmd.buffer.block_data[2]);
1981 printk(KERN_DEBUG "WAKEUP = 0x%X\n",
1982 cmd.buffer.block_data[3]);
1983
1984 cmd.start = 0xA0; /* ST_CTRL */
1985 cmd.reg_count = 1;
1986 cpia2_send_command(cam, &cmd);
1987 printk(KERN_DEBUG "Stream ctrl = 0x%X\n",
1988 cmd.buffer.block_data[0]);
1989
1990 cmd.start = 0xA4; /* Stream status */
1991 cpia2_send_command(cam, &cmd);
1992 printk(KERN_DEBUG "Stream status = 0x%X\n",
1993 cmd.buffer.block_data[0]);
1994
1995 cmd.start = 0xA8; /* USB status */
1996 cmd.reg_count = 3;
1997 cpia2_send_command(cam, &cmd);
1998 printk(KERN_DEBUG "USB_CTRL = 0x%X\n",
1999 cmd.buffer.block_data[0]);
2000 printk(KERN_DEBUG "USB_STRM = 0x%X\n",
2001 cmd.buffer.block_data[1]);
2002 printk(KERN_DEBUG "USB_STATUS = 0x%X\n",
2003 cmd.buffer.block_data[2]);
2004
2005 cmd.start = 0xAF; /* USB settings */
2006 cmd.reg_count = 1;
2007 cpia2_send_command(cam, &cmd);
2008 printk(KERN_DEBUG "USB settings = 0x%X\n",
2009 cmd.buffer.block_data[0]);
2010
2011 cmd.start = 0xC0; /* VC stuff */
2012 cmd.reg_count = 26;
2013 cpia2_send_command(cam, &cmd);
2014 printk(KERN_DEBUG "VC Control = 0x%0X\n",
2015 cmd.buffer.block_data[0]);
2016 printk(KERN_DEBUG "VC Format = 0x%0X\n",
2017 cmd.buffer.block_data[3]);
2018 printk(KERN_DEBUG "VC Clocks = 0x%0X\n",
2019 cmd.buffer.block_data[4]);
2020 printk(KERN_DEBUG "VC IHSize = 0x%0X\n",
2021 cmd.buffer.block_data[5]);
2022 printk(KERN_DEBUG "VC Xlim Hi = 0x%0X\n",
2023 cmd.buffer.block_data[6]);
2024 printk(KERN_DEBUG "VC XLim Lo = 0x%0X\n",
2025 cmd.buffer.block_data[7]);
2026 printk(KERN_DEBUG "VC YLim Hi = 0x%0X\n",
2027 cmd.buffer.block_data[8]);
2028 printk(KERN_DEBUG "VC YLim Lo = 0x%0X\n",
2029 cmd.buffer.block_data[9]);
2030 printk(KERN_DEBUG "VC OHSize = 0x%0X\n",
2031 cmd.buffer.block_data[10]);
2032 printk(KERN_DEBUG "VC OVSize = 0x%0X\n",
2033 cmd.buffer.block_data[11]);
2034 printk(KERN_DEBUG "VC HCrop = 0x%0X\n",
2035 cmd.buffer.block_data[12]);
2036 printk(KERN_DEBUG "VC VCrop = 0x%0X\n",
2037 cmd.buffer.block_data[13]);
2038 printk(KERN_DEBUG "VC HPhase = 0x%0X\n",
2039 cmd.buffer.block_data[14]);
2040 printk(KERN_DEBUG "VC VPhase = 0x%0X\n",
2041 cmd.buffer.block_data[15]);
2042 printk(KERN_DEBUG "VC HIspan = 0x%0X\n",
2043 cmd.buffer.block_data[16]);
2044 printk(KERN_DEBUG "VC VIspan = 0x%0X\n",
2045 cmd.buffer.block_data[17]);
2046 printk(KERN_DEBUG "VC HiCrop = 0x%0X\n",
2047 cmd.buffer.block_data[18]);
2048 printk(KERN_DEBUG "VC ViCrop = 0x%0X\n",
2049 cmd.buffer.block_data[19]);
2050 printk(KERN_DEBUG "VC HiFract = 0x%0X\n",
2051 cmd.buffer.block_data[20]);
2052 printk(KERN_DEBUG "VC ViFract = 0x%0X\n",
2053 cmd.buffer.block_data[21]);
2054 printk(KERN_DEBUG "VC JPeg Opt = 0x%0X\n",
2055 cmd.buffer.block_data[22]);
2056 printk(KERN_DEBUG "VC Creep Per = 0x%0X\n",
2057 cmd.buffer.block_data[23]);
2058 printk(KERN_DEBUG "VC User Sq. = 0x%0X\n",
2059 cmd.buffer.block_data[24]);
2060 printk(KERN_DEBUG "VC Target KB = 0x%0X\n",
2061 cmd.buffer.block_data[25]);
2062
2063 /*** VP ***/
2064 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
2065 cmd.reg_count = 14;
2066 cmd.start = 0;
2067 cpia2_send_command(cam, &cmd);
2068
2069 printk(KERN_DEBUG "VP Dev Hi = 0x%0X\n",
2070 cmd.buffer.block_data[0]);
2071 printk(KERN_DEBUG "VP Dev Lo = 0x%0X\n",
2072 cmd.buffer.block_data[1]);
2073 printk(KERN_DEBUG "VP Sys State = 0x%0X\n",
2074 cmd.buffer.block_data[2]);
2075 printk(KERN_DEBUG "VP Sys Ctrl = 0x%0X\n",
2076 cmd.buffer.block_data[3]);
2077 printk(KERN_DEBUG "VP Sensor flg = 0x%0X\n",
2078 cmd.buffer.block_data[5]);
2079 printk(KERN_DEBUG "VP Sensor Rev = 0x%0X\n",
2080 cmd.buffer.block_data[6]);
2081 printk(KERN_DEBUG "VP Dev Config = 0x%0X\n",
2082 cmd.buffer.block_data[7]);
2083 printk(KERN_DEBUG "VP GPIO_DIR = 0x%0X\n",
2084 cmd.buffer.block_data[8]);
2085 printk(KERN_DEBUG "VP GPIO_DATA = 0x%0X\n",
2086 cmd.buffer.block_data[9]);
2087 printk(KERN_DEBUG "VP Ram ADDR H = 0x%0X\n",
2088 cmd.buffer.block_data[10]);
2089 printk(KERN_DEBUG "VP Ram ADDR L = 0x%0X\n",
2090 cmd.buffer.block_data[11]);
2091 printk(KERN_DEBUG "VP RAM Data = 0x%0X\n",
2092 cmd.buffer.block_data[12]);
2093 printk(KERN_DEBUG "Do Call = 0x%0X\n",
2094 cmd.buffer.block_data[13]);
2095
2096 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
2097 cmd.reg_count = 9;
2098 cmd.start = 0x0E;
2099 cpia2_send_command(cam, &cmd);
2100 printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n",
2101 cmd.buffer.block_data[0]);
2102 printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n",
2103 cmd.buffer.block_data[1]);
2104 printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n",
2105 cmd.buffer.block_data[2]);
2106 printk(KERN_DEBUG "VP Framerate = 0x%0X\n",
2107 cmd.buffer.block_data[3]);
2108 printk(KERN_DEBUG "VP UserEffect = 0x%0X\n",
2109 cmd.buffer.block_data[4]);
2110 printk(KERN_DEBUG "VP White Bal = 0x%0X\n",
2111 cmd.buffer.block_data[5]);
2112 printk(KERN_DEBUG "VP WB thresh = 0x%0X\n",
2113 cmd.buffer.block_data[6]);
2114 printk(KERN_DEBUG "VP Exp Modes = 0x%0X\n",
2115 cmd.buffer.block_data[7]);
2116 printk(KERN_DEBUG "VP Exp Target = 0x%0X\n",
2117 cmd.buffer.block_data[8]);
2118
2119 cmd.reg_count = 1;
2120 cmd.start = 0x1B;
2121 cpia2_send_command(cam, &cmd);
2122 printk(KERN_DEBUG "VP FlickerMds = 0x%0X\n",
2123 cmd.buffer.block_data[0]);
2124 } else {
2125 cmd.reg_count = 8 ;
2126 cmd.start = 0x0E;
2127 cpia2_send_command(cam, &cmd);
2128 printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n",
2129 cmd.buffer.block_data[0]);
2130 printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n",
2131 cmd.buffer.block_data[1]);
2132 printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n",
2133 cmd.buffer.block_data[5]);
2134 printk(KERN_DEBUG "VP Framerate = 0x%0X\n",
2135 cmd.buffer.block_data[6]);
2136 printk(KERN_DEBUG "VP UserEffect = 0x%0X\n",
2137 cmd.buffer.block_data[7]);
2138
2139 cmd.reg_count = 1;
2140 cmd.start = CPIA2_VP5_EXPOSURE_TARGET;
2141 cpia2_send_command(cam, &cmd);
2142 printk(KERN_DEBUG "VP5 Exp Target= 0x%0X\n",
2143 cmd.buffer.block_data[0]);
2144
2145 cmd.reg_count = 4;
2146 cmd.start = 0x3A;
2147 cpia2_send_command(cam, &cmd);
2148 printk(KERN_DEBUG "VP5 MY Black = 0x%0X\n",
2149 cmd.buffer.block_data[0]);
2150 printk(KERN_DEBUG "VP5 MCY Range = 0x%0X\n",
2151 cmd.buffer.block_data[1]);
2152 printk(KERN_DEBUG "VP5 MYCEILING = 0x%0X\n",
2153 cmd.buffer.block_data[2]);
2154 printk(KERN_DEBUG "VP5 MCUV Sat = 0x%0X\n",
2155 cmd.buffer.block_data[3]);
2156 }
2157 #endif
2158 }
2159
2160 /******************************************************************************
2161 *
2162 * reset_camera_struct
2163 *
2164 * Sets all values to the defaults
2165 *****************************************************************************/
reset_camera_struct(struct camera_data * cam)2166 static void reset_camera_struct(struct camera_data *cam)
2167 {
2168 /***
2169 * The following parameter values are the defaults from the register map.
2170 ***/
2171 cam->params.color_params.brightness = DEFAULT_BRIGHTNESS;
2172 cam->params.color_params.contrast = DEFAULT_CONTRAST;
2173 cam->params.color_params.saturation = DEFAULT_SATURATION;
2174 cam->params.vp_params.lowlight_boost = 0;
2175
2176 /* FlickerModes */
2177 cam->params.flicker_control.flicker_mode_req = NEVER_FLICKER;
2178 cam->params.flicker_control.mains_frequency = 60;
2179
2180 /* jpeg params */
2181 cam->params.compression.jpeg_options = CPIA2_VC_VC_JPEG_OPT_DEFAULT;
2182 cam->params.compression.creep_period = 2;
2183 cam->params.compression.user_squeeze = 20;
2184 cam->params.compression.inhibit_htables = false;
2185
2186 /* gpio params */
2187 cam->params.vp_params.gpio_direction = 0; /* write, the default safe mode */
2188 cam->params.vp_params.gpio_data = 0;
2189
2190 /* Target kb params */
2191 cam->params.vc_params.target_kb = DEFAULT_TARGET_KB;
2192
2193 /***
2194 * Set Sensor FPS as fast as possible.
2195 ***/
2196 if(cam->params.pnp_id.device_type == DEVICE_STV_672) {
2197 if(cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500)
2198 cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_15;
2199 else
2200 cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30;
2201 } else {
2202 cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30;
2203 }
2204
2205 /***
2206 * Set default video mode as large as possible :
2207 * for vga sensor set to vga, for cif sensor set to CIF.
2208 ***/
2209 if (cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500) {
2210 cam->sensor_type = CPIA2_SENSOR_500;
2211 cam->video_size = VIDEOSIZE_VGA;
2212 cam->params.roi.width = STV_IMAGE_VGA_COLS;
2213 cam->params.roi.height = STV_IMAGE_VGA_ROWS;
2214 } else {
2215 cam->sensor_type = CPIA2_SENSOR_410;
2216 cam->video_size = VIDEOSIZE_CIF;
2217 cam->params.roi.width = STV_IMAGE_CIF_COLS;
2218 cam->params.roi.height = STV_IMAGE_CIF_ROWS;
2219 }
2220
2221 cam->width = cam->params.roi.width;
2222 cam->height = cam->params.roi.height;
2223 }
2224
2225 /******************************************************************************
2226 *
2227 * cpia2_init_camera_struct
2228 *
2229 * Initializes camera struct, does not call reset to fill in defaults.
2230 *****************************************************************************/
cpia2_init_camera_struct(void)2231 struct camera_data *cpia2_init_camera_struct(void)
2232 {
2233 struct camera_data *cam;
2234
2235 cam = kzalloc(sizeof(*cam), GFP_KERNEL);
2236
2237 if (!cam) {
2238 ERR("couldn't kmalloc cpia2 struct\n");
2239 return NULL;
2240 }
2241
2242
2243 cam->present = 1;
2244 mutex_init(&cam->v4l2_lock);
2245 init_waitqueue_head(&cam->wq_stream);
2246
2247 return cam;
2248 }
2249
2250 /******************************************************************************
2251 *
2252 * cpia2_init_camera
2253 *
2254 * Initializes camera.
2255 *****************************************************************************/
cpia2_init_camera(struct camera_data * cam)2256 int cpia2_init_camera(struct camera_data *cam)
2257 {
2258 DBG("Start\n");
2259
2260 cam->mmapped = false;
2261
2262 /* Get sensor and asic types before reset. */
2263 cpia2_set_high_power(cam);
2264 cpia2_get_version_info(cam);
2265 if (cam->params.version.asic_id != CPIA2_ASIC_672) {
2266 ERR("Device IO error (asicID has incorrect value of 0x%X\n",
2267 cam->params.version.asic_id);
2268 return -ENODEV;
2269 }
2270
2271 /* Set GPIO direction and data to a safe state. */
2272 cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION,
2273 TRANSFER_WRITE, 0);
2274 cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA,
2275 TRANSFER_WRITE, 0);
2276
2277 /* resetting struct requires version info for sensor and asic types */
2278 reset_camera_struct(cam);
2279
2280 cpia2_set_low_power(cam);
2281
2282 DBG("End\n");
2283
2284 return 0;
2285 }
2286
2287 /******************************************************************************
2288 *
2289 * cpia2_allocate_buffers
2290 *
2291 *****************************************************************************/
cpia2_allocate_buffers(struct camera_data * cam)2292 int cpia2_allocate_buffers(struct camera_data *cam)
2293 {
2294 int i;
2295
2296 if(!cam->buffers) {
2297 u32 size = cam->num_frames*sizeof(struct framebuf);
2298 cam->buffers = kmalloc(size, GFP_KERNEL);
2299 if(!cam->buffers) {
2300 ERR("couldn't kmalloc frame buffer structures\n");
2301 return -ENOMEM;
2302 }
2303 }
2304
2305 if(!cam->frame_buffer) {
2306 cam->frame_buffer = rvmalloc(cam->frame_size*cam->num_frames);
2307 if (!cam->frame_buffer) {
2308 ERR("couldn't vmalloc frame buffer data area\n");
2309 kfree(cam->buffers);
2310 cam->buffers = NULL;
2311 return -ENOMEM;
2312 }
2313 }
2314
2315 for(i=0; i<cam->num_frames-1; ++i) {
2316 cam->buffers[i].next = &cam->buffers[i+1];
2317 cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size;
2318 cam->buffers[i].status = FRAME_EMPTY;
2319 cam->buffers[i].length = 0;
2320 cam->buffers[i].max_length = 0;
2321 cam->buffers[i].num = i;
2322 }
2323 cam->buffers[i].next = cam->buffers;
2324 cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size;
2325 cam->buffers[i].status = FRAME_EMPTY;
2326 cam->buffers[i].length = 0;
2327 cam->buffers[i].max_length = 0;
2328 cam->buffers[i].num = i;
2329 cam->curbuff = cam->buffers;
2330 cam->workbuff = cam->curbuff->next;
2331 DBG("buffers=%p, curbuff=%p, workbuff=%p\n", cam->buffers, cam->curbuff,
2332 cam->workbuff);
2333 return 0;
2334 }
2335
2336 /******************************************************************************
2337 *
2338 * cpia2_free_buffers
2339 *
2340 *****************************************************************************/
cpia2_free_buffers(struct camera_data * cam)2341 void cpia2_free_buffers(struct camera_data *cam)
2342 {
2343 if(cam->buffers) {
2344 kfree(cam->buffers);
2345 cam->buffers = NULL;
2346 }
2347 if(cam->frame_buffer) {
2348 rvfree(cam->frame_buffer, cam->frame_size*cam->num_frames);
2349 cam->frame_buffer = NULL;
2350 }
2351 }
2352
2353 /******************************************************************************
2354 *
2355 * cpia2_read
2356 *
2357 *****************************************************************************/
cpia2_read(struct camera_data * cam,char __user * buf,unsigned long count,int noblock)2358 long cpia2_read(struct camera_data *cam,
2359 char __user *buf, unsigned long count, int noblock)
2360 {
2361 struct framebuf *frame;
2362
2363 if (!count)
2364 return 0;
2365
2366 if (!buf) {
2367 ERR("%s: buffer NULL\n",__func__);
2368 return -EINVAL;
2369 }
2370
2371 if (!cam) {
2372 ERR("%s: Internal error, camera_data NULL!\n",__func__);
2373 return -EINVAL;
2374 }
2375
2376 if (!cam->present) {
2377 LOG("%s: camera removed\n",__func__);
2378 return 0; /* EOF */
2379 }
2380
2381 if (!cam->streaming) {
2382 /* Start streaming */
2383 cpia2_usb_stream_start(cam,
2384 cam->params.camera_state.stream_mode);
2385 }
2386
2387 /* Copy cam->curbuff in case it changes while we're processing */
2388 frame = cam->curbuff;
2389 if (noblock && frame->status != FRAME_READY) {
2390 return -EAGAIN;
2391 }
2392
2393 if (frame->status != FRAME_READY) {
2394 mutex_unlock(&cam->v4l2_lock);
2395 wait_event_interruptible(cam->wq_stream,
2396 !cam->present ||
2397 (frame = cam->curbuff)->status == FRAME_READY);
2398 mutex_lock(&cam->v4l2_lock);
2399 if (signal_pending(current))
2400 return -ERESTARTSYS;
2401 if (!cam->present)
2402 return 0;
2403 }
2404
2405 /* copy data to user space */
2406 if (frame->length > count)
2407 return -EFAULT;
2408 if (copy_to_user(buf, frame->data, frame->length))
2409 return -EFAULT;
2410
2411 count = frame->length;
2412
2413 frame->status = FRAME_EMPTY;
2414
2415 return count;
2416 }
2417
2418 /******************************************************************************
2419 *
2420 * cpia2_poll
2421 *
2422 *****************************************************************************/
cpia2_poll(struct camera_data * cam,struct file * filp,poll_table * wait)2423 unsigned int cpia2_poll(struct camera_data *cam, struct file *filp,
2424 poll_table *wait)
2425 {
2426 unsigned int status=0;
2427
2428 if (!cam) {
2429 ERR("%s: Internal error, camera_data not found!\n",__func__);
2430 return POLLERR;
2431 }
2432
2433 if (!cam->present)
2434 return POLLHUP;
2435
2436 if(!cam->streaming) {
2437 /* Start streaming */
2438 cpia2_usb_stream_start(cam,
2439 cam->params.camera_state.stream_mode);
2440 }
2441
2442 poll_wait(filp, &cam->wq_stream, wait);
2443
2444 if(!cam->present)
2445 status = POLLHUP;
2446 else if(cam->curbuff->status == FRAME_READY)
2447 status = POLLIN | POLLRDNORM;
2448
2449 return status;
2450 }
2451
2452 /******************************************************************************
2453 *
2454 * cpia2_remap_buffer
2455 *
2456 *****************************************************************************/
cpia2_remap_buffer(struct camera_data * cam,struct vm_area_struct * vma)2457 int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma)
2458 {
2459 const char *adr = (const char *)vma->vm_start;
2460 unsigned long size = vma->vm_end-vma->vm_start;
2461 unsigned long start_offset = vma->vm_pgoff << PAGE_SHIFT;
2462 unsigned long start = (unsigned long) adr;
2463 unsigned long page, pos;
2464
2465 if (!cam)
2466 return -ENODEV;
2467
2468 DBG("mmap offset:%ld size:%ld\n", start_offset, size);
2469
2470 if (!cam->present)
2471 return -ENODEV;
2472
2473 if (size > cam->frame_size*cam->num_frames ||
2474 (start_offset % cam->frame_size) != 0 ||
2475 (start_offset+size > cam->frame_size*cam->num_frames))
2476 return -EINVAL;
2477
2478 pos = ((unsigned long) (cam->frame_buffer)) + start_offset;
2479 while (size > 0) {
2480 page = kvirt_to_pa(pos);
2481 if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, PAGE_SIZE, PAGE_SHARED))
2482 return -EAGAIN;
2483 start += PAGE_SIZE;
2484 pos += PAGE_SIZE;
2485 if (size > PAGE_SIZE)
2486 size -= PAGE_SIZE;
2487 else
2488 size = 0;
2489 }
2490
2491 cam->mmapped = true;
2492 return 0;
2493 }
2494