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V4L/DVB (6715): ivtv: Remove unnecessary register update
[linux-2.6/verdex.git] / drivers / media / video / cpia2 / cpia2_core.c
bloba76bd786cf13474f3f16c5f2282f050f3bb39e4e
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@redhat.com>
29 *
30 ****************************************************************************/
31
32 #include "cpia2.h"
33
34 #include <linux/slab.h>
35 #include <linux/vmalloc.h>
36
37 //#define _CPIA2_DEBUG_
38
39 #include "cpia2patch.h"
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 = 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 */
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
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
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 *****************************************************************************/
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 int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd)
523 {
524 u8 count;
525 u8 start;
526 u8 block_index;
527 u8 *buffer;
528 int retval;
529 const char* dir;
530
531 if (cmd->direction == TRANSFER_WRITE) {
532 dir = "Write";
533 } else {
534 dir = "Read";
535 }
536
537 block_index = cmd->req_mode & 0x03;
538
539 switch (cmd->req_mode & 0x0c) {
540 case CAMERAACCESS_TYPE_RANDOM:
541 count = cmd->reg_count * sizeof(struct cpia2_register);
542 start = 0;
543 buffer = (u8 *) & cmd->buffer;
544 if (debugs_on & DEBUG_REG)
545 DBG("%s Random: Register block %s\n", dir,
546 block_name[block_index]);
547 break;
548 case CAMERAACCESS_TYPE_BLOCK:
549 count = cmd->reg_count;
550 start = cmd->start;
551 buffer = cmd->buffer.block_data;
552 if (debugs_on & DEBUG_REG)
553 DBG("%s Block: Register block %s\n", dir,
554 block_name[block_index]);
555 break;
556 case CAMERAACCESS_TYPE_MASK:
557 count = cmd->reg_count * sizeof(struct cpia2_reg_mask);
558 start = 0;
559 buffer = (u8 *) & cmd->buffer;
560 if (debugs_on & DEBUG_REG)
561 DBG("%s Mask: Register block %s\n", dir,
562 block_name[block_index]);
563 break;
564 case CAMERAACCESS_TYPE_REPEAT: /* For patch blocks only */
565 count = cmd->reg_count;
566 start = cmd->start;
567 buffer = cmd->buffer.block_data;
568 if (debugs_on & DEBUG_REG)
569 DBG("%s Repeat: Register block %s\n", dir,
570 block_name[block_index]);
571 break;
572 default:
573 LOG("%s: invalid request mode\n",__FUNCTION__);
574 return -EINVAL;
575 }
576
577 retval = cpia2_usb_transfer_cmd(cam,
578 buffer,
579 cmd->req_mode,
580 start, count, cmd->direction);
581 #ifdef _CPIA2_DEBUG_
582 if (debugs_on & DEBUG_REG) {
583 int i;
584 for (i = 0; i < cmd->reg_count; i++) {
585 if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_BLOCK)
586 KINFO("%s Block: [0x%02X] = 0x%02X\n",
587 dir, start + i, buffer[i]);
588 if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_RANDOM)
589 KINFO("%s Random: [0x%02X] = 0x%02X\n",
590 dir, cmd->buffer.registers[i].index,
591 cmd->buffer.registers[i].value);
592 }
593 }
594 #endif
595
596 return retval;
597 };
598
599 /*************
600 * Functions to implement camera functionality
601 *************/
602 /******************************************************************************
603 *
604 * cpia2_get_version_info
605 *
606 *****************************************************************************/
607 static void cpia2_get_version_info(struct camera_data *cam)
608 {
609 cpia2_do_command(cam, CPIA2_CMD_GET_VERSION, TRANSFER_READ, 0);
610 cpia2_do_command(cam, CPIA2_CMD_GET_PNP_ID, TRANSFER_READ, 0);
611 cpia2_do_command(cam, CPIA2_CMD_GET_ASIC_TYPE, TRANSFER_READ, 0);
612 cpia2_do_command(cam, CPIA2_CMD_GET_SENSOR, TRANSFER_READ, 0);
613 cpia2_do_command(cam, CPIA2_CMD_GET_VP_DEVICE, TRANSFER_READ, 0);
614 }
615
616 /******************************************************************************
617 *
618 * cpia2_reset_camera
619 *
620 * Called at least during the open process, sets up initial params.
621 *****************************************************************************/
622 int cpia2_reset_camera(struct camera_data *cam)
623 {
624 u8 tmp_reg;
625 int retval = 0;
626 int i;
627 struct cpia2_command cmd;
628
629 /***
630 * VC setup
631 ***/
632 retval = configure_sensor(cam,
633 cam->params.roi.width,
634 cam->params.roi.height);
635 if (retval < 0) {
636 ERR("Couldn't configure sensor, error=%d\n", retval);
637 return retval;
638 }
639
640 /* Clear FIFO and route/enable stream block */
641 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
642 cmd.direction = TRANSFER_WRITE;
643 cmd.reg_count = 2;
644 cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL;
645 cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC |
646 CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT;
647 cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL;
648 cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC |
649 CPIA2_VC_ST_CTRL_DST_USB |
650 CPIA2_VC_ST_CTRL_EOF_DETECT | CPIA2_VC_ST_CTRL_FIFO_ENABLE;
651
652 cpia2_send_command(cam, &cmd);
653
654 cpia2_set_high_power(cam);
655
656 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
657 /* Enable button notification */
658 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM;
659 cmd.buffer.registers[0].index = CPIA2_SYSTEM_INT_PACKET_CTRL;
660 cmd.buffer.registers[0].value =
661 CPIA2_SYSTEM_INT_PACKET_CTRL_ENABLE_SW_XX;
662 cmd.reg_count = 1;
663 cpia2_send_command(cam, &cmd);
664 }
665
666 schedule_timeout_interruptible(msecs_to_jiffies(100));
667
668 if (cam->params.pnp_id.device_type == DEVICE_STV_672)
669 retval = apply_vp_patch(cam);
670
671 /* wait for vp to go to sleep */
672 schedule_timeout_interruptible(msecs_to_jiffies(100));
673
674 /***
675 * If this is a 676, apply VP5 fixes before we start streaming
676 ***/
677 if (cam->params.pnp_id.device_type == DEVICE_STV_676) {
678 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP;
679
680 /* The following writes improve the picture */
681 cmd.buffer.registers[0].index = CPIA2_VP5_MYBLACK_LEVEL;
682 cmd.buffer.registers[0].value = 0; /* reduce from the default
683 * rec 601 pedestal of 16 */
684 cmd.buffer.registers[1].index = CPIA2_VP5_MCYRANGE;
685 cmd.buffer.registers[1].value = 0x92; /* increase from 100% to
686 * (256/256 - 31) to fill
687 * available range */
688 cmd.buffer.registers[2].index = CPIA2_VP5_MYCEILING;
689 cmd.buffer.registers[2].value = 0xFF; /* Increase from the
690 * default rec 601 ceiling
691 * of 240 */
692 cmd.buffer.registers[3].index = CPIA2_VP5_MCUVSATURATION;
693 cmd.buffer.registers[3].value = 0xFF; /* Increase from the rec
694 * 601 100% level (128)
695 * to 145-192 */
696 cmd.buffer.registers[4].index = CPIA2_VP5_ANTIFLKRSETUP;
697 cmd.buffer.registers[4].value = 0x80; /* Inhibit the
698 * anti-flicker */
699
700 /* The following 4 writes are a fix to allow QVGA to work at 30 fps */
701 cmd.buffer.registers[5].index = CPIA2_VP_RAM_ADDR_H;
702 cmd.buffer.registers[5].value = 0x01;
703 cmd.buffer.registers[6].index = CPIA2_VP_RAM_ADDR_L;
704 cmd.buffer.registers[6].value = 0xE3;
705 cmd.buffer.registers[7].index = CPIA2_VP_RAM_DATA;
706 cmd.buffer.registers[7].value = 0x02;
707 cmd.buffer.registers[8].index = CPIA2_VP_RAM_DATA;
708 cmd.buffer.registers[8].value = 0xFC;
709
710 cmd.direction = TRANSFER_WRITE;
711 cmd.reg_count = 9;
712
713 cpia2_send_command(cam, &cmd);
714 }
715
716 /* Activate all settings and start the data stream */
717 /* Set user mode */
718 set_default_user_mode(cam);
719
720 /* Give VP time to wake up */
721 schedule_timeout_interruptible(msecs_to_jiffies(100));
722
723 set_all_properties(cam);
724
725 cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0);
726 DBG("After SetAllProperties(cam), user mode is 0x%0X\n",
727 cam->params.vp_params.video_mode);
728
729 /***
730 * Set audio regulator off. This and the code to set the compresison
731 * state are too complex to form a CPIA2_CMD_, and seem to be somewhat
732 * intertwined. This stuff came straight from the windows driver.
733 ***/
734 /* Turn AutoExposure off in VP and enable the serial bridge to the sensor */
735 cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0);
736 tmp_reg = cam->params.vp_params.system_ctrl;
737 cmd.buffer.registers[0].value = tmp_reg &
738 (tmp_reg & (CPIA2_VP_SYSTEMCTRL_HK_CONTROL ^ 0xFF));
739
740 cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0);
741 cmd.buffer.registers[1].value = cam->params.vp_params.device_config |
742 CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE;
743 cmd.buffer.registers[0].index = CPIA2_VP_SYSTEMCTRL;
744 cmd.buffer.registers[1].index = CPIA2_VP_DEVICE_CONFIG;
745 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP;
746 cmd.reg_count = 2;
747 cmd.direction = TRANSFER_WRITE;
748 cmd.start = 0;
749 cpia2_send_command(cam, &cmd);
750
751 /* Set the correct I2C address in the CPiA-2 system register */
752 cpia2_do_command(cam,
753 CPIA2_CMD_SET_SERIAL_ADDR,
754 TRANSFER_WRITE,
755 CPIA2_SYSTEM_VP_SERIAL_ADDR_SENSOR);
756
757 /* Now have sensor access - set bit to turn the audio regulator off */
758 cpia2_do_command(cam,
759 CPIA2_CMD_SET_SENSOR_CR1,
760 TRANSFER_WRITE, CPIA2_SENSOR_CR1_DOWN_AUDIO_REGULATOR);
761
762 /* Set the correct I2C address in the CPiA-2 system register */
763 if (cam->params.pnp_id.device_type == DEVICE_STV_672)
764 cpia2_do_command(cam,
765 CPIA2_CMD_SET_SERIAL_ADDR,
766 TRANSFER_WRITE,
767 CPIA2_SYSTEM_VP_SERIAL_ADDR_VP); // 0x88
768 else
769 cpia2_do_command(cam,
770 CPIA2_CMD_SET_SERIAL_ADDR,
771 TRANSFER_WRITE,
772 CPIA2_SYSTEM_VP_SERIAL_ADDR_676_VP); // 0x8a
773
774 /* increase signal drive strength */
775 if (cam->params.pnp_id.device_type == DEVICE_STV_676)
776 cpia2_do_command(cam,
777 CPIA2_CMD_SET_VP_EXP_MODES,
778 TRANSFER_WRITE,
779 CPIA2_VP_EXPOSURE_MODES_COMPILE_EXP);
780
781 /* Start autoexposure */
782 cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0);
783 cmd.buffer.registers[0].value = cam->params.vp_params.device_config &
784 (CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE ^ 0xFF);
785
786 cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0);
787 cmd.buffer.registers[1].value =
788 cam->params.vp_params.system_ctrl | CPIA2_VP_SYSTEMCTRL_HK_CONTROL;
789
790 cmd.buffer.registers[0].index = CPIA2_VP_DEVICE_CONFIG;
791 cmd.buffer.registers[1].index = CPIA2_VP_SYSTEMCTRL;
792 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP;
793 cmd.reg_count = 2;
794 cmd.direction = TRANSFER_WRITE;
795
796 cpia2_send_command(cam, &cmd);
797
798 /* Set compression state */
799 cpia2_do_command(cam, CPIA2_CMD_GET_VC_CONTROL, TRANSFER_READ, 0);
800 if (cam->params.compression.inhibit_htables) {
801 tmp_reg = cam->params.vc_params.vc_control |
802 CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES;
803 } else {
804 tmp_reg = cam->params.vc_params.vc_control &
805 ~CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES;
806 }
807 cpia2_do_command(cam, CPIA2_CMD_SET_VC_CONTROL, TRANSFER_WRITE,tmp_reg);
808
809 /* Set target size (kb) on vc */
810 cpia2_do_command(cam, CPIA2_CMD_SET_TARGET_KB,
811 TRANSFER_WRITE, cam->params.vc_params.target_kb);
812
813 /* Wiggle VC Reset */
814 /***
815 * First read and wait a bit.
816 ***/
817 for (i = 0; i < 50; i++) {
818 cpia2_do_command(cam, CPIA2_CMD_GET_PW_CONTROL,
819 TRANSFER_READ, 0);
820 }
821
822 tmp_reg = cam->params.vc_params.pw_control;
823 tmp_reg &= ~CPIA2_VC_PW_CTRL_VC_RESET_N;
824
825 cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg);
826
827 tmp_reg |= CPIA2_VC_PW_CTRL_VC_RESET_N;
828 cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg);
829
830 cpia2_do_command(cam, CPIA2_CMD_SET_DEF_JPEG_OPT, TRANSFER_WRITE, 0);
831
832 cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0);
833 DBG("After VC RESET, user mode is 0x%0X\n",
834 cam->params.vp_params.video_mode);
835
836 return retval;
837 }
838
839 /******************************************************************************
840 *
841 * cpia2_set_high_power
842 *
843 *****************************************************************************/
844 static int cpia2_set_high_power(struct camera_data *cam)
845 {
846 int i;
847 for (i = 0; i <= 50; i++) {
848 /* Read system status */
849 cpia2_do_command(cam,CPIA2_CMD_GET_SYSTEM_CTRL,TRANSFER_READ,0);
850
851 /* If there is an error, clear it */
852 if(cam->params.camera_state.system_ctrl &
853 CPIA2_SYSTEM_CONTROL_V2W_ERR)
854 cpia2_do_command(cam, CPIA2_CMD_CLEAR_V2W_ERR,
855 TRANSFER_WRITE, 0);
856
857 /* Try to set high power mode */
858 cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL,
859 TRANSFER_WRITE, 1);
860
861 /* Try to read something in VP to check if everything is awake */
862 cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_STATE,
863 TRANSFER_READ, 0);
864 if (cam->params.vp_params.system_state &
865 CPIA2_VP_SYSTEMSTATE_HK_ALIVE) {
866 break;
867 } else if (i == 50) {
868 cam->params.camera_state.power_mode = LO_POWER_MODE;
869 ERR("Camera did not wake up\n");
870 return -EIO;
871 }
872 }
873
874 DBG("System now in high power state\n");
875 cam->params.camera_state.power_mode = HI_POWER_MODE;
876 return 0;
877 }
878
879 /******************************************************************************
880 *
881 * cpia2_set_low_power
882 *
883 *****************************************************************************/
884 int cpia2_set_low_power(struct camera_data *cam)
885 {
886 cam->params.camera_state.power_mode = LO_POWER_MODE;
887 cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL, TRANSFER_WRITE, 0);
888 return 0;
889 }
890
891 /******************************************************************************
892 *
893 * apply_vp_patch
894 *
895 *****************************************************************************/
896 static int apply_vp_patch(struct camera_data *cam)
897 {
898 int i, j;
899 struct cpia2_command cmd;
900
901 cmd.req_mode = CAMERAACCESS_TYPE_REPEAT | CAMERAACCESS_VP;
902 cmd.direction = TRANSFER_WRITE;
903
904 for (i = 0; i < PATCH_DATA_SIZE; i++) {
905 for (j = 0; j < patch_data[i].count; j++) {
906 cmd.buffer.block_data[j] = patch_data[i].data[j];
907 }
908
909 cmd.start = patch_data[i].reg;
910 cmd.reg_count = patch_data[i].count;
911 cpia2_send_command(cam, &cmd);
912 }
913
914 return 0;
915 }
916
917 /******************************************************************************
918 *
919 * set_default_user_mode
920 *
921 *****************************************************************************/
922 static int set_default_user_mode(struct camera_data *cam)
923 {
924 unsigned char user_mode;
925 unsigned char frame_rate;
926 int width = cam->params.roi.width;
927 int height = cam->params.roi.height;
928
929 switch (cam->params.version.sensor_flags) {
930 case CPIA2_VP_SENSOR_FLAGS_404:
931 case CPIA2_VP_SENSOR_FLAGS_407:
932 case CPIA2_VP_SENSOR_FLAGS_409:
933 case CPIA2_VP_SENSOR_FLAGS_410:
934 if ((width > STV_IMAGE_QCIF_COLS)
935 || (height > STV_IMAGE_QCIF_ROWS)) {
936 user_mode = CPIA2_VP_USER_MODE_CIF;
937 } else {
938 user_mode = CPIA2_VP_USER_MODE_QCIFDS;
939 }
940 frame_rate = CPIA2_VP_FRAMERATE_30;
941 break;
942 case CPIA2_VP_SENSOR_FLAGS_500:
943 if ((width > STV_IMAGE_CIF_COLS)
944 || (height > STV_IMAGE_CIF_ROWS)) {
945 user_mode = CPIA2_VP_USER_MODE_VGA;
946 } else {
947 user_mode = CPIA2_VP_USER_MODE_QVGADS;
948 }
949 if (cam->params.pnp_id.device_type == DEVICE_STV_672)
950 frame_rate = CPIA2_VP_FRAMERATE_15;
951 else
952 frame_rate = CPIA2_VP_FRAMERATE_30;
953 break;
954 default:
955 LOG("%s: Invalid sensor flag value 0x%0X\n",__FUNCTION__,
956 cam->params.version.sensor_flags);
957 return -EINVAL;
958 }
959
960 DBG("Sensor flag = 0x%0x, user mode = 0x%0x, frame rate = 0x%X\n",
961 cam->params.version.sensor_flags, user_mode, frame_rate);
962 cpia2_do_command(cam, CPIA2_CMD_SET_USER_MODE, TRANSFER_WRITE,
963 user_mode);
964 if(cam->params.vp_params.frame_rate > 0 &&
965 frame_rate > cam->params.vp_params.frame_rate)
966 frame_rate = cam->params.vp_params.frame_rate;
967
968 cpia2_set_fps(cam, frame_rate);
969
970 // if (cam->params.pnp_id.device_type == DEVICE_STV_676)
971 // cpia2_do_command(cam,
972 // CPIA2_CMD_SET_VP_SYSTEM_CTRL,
973 // TRANSFER_WRITE,
974 // CPIA2_VP_SYSTEMCTRL_HK_CONTROL |
975 // CPIA2_VP_SYSTEMCTRL_POWER_CONTROL);
976
977 return 0;
978 }
979
980 /******************************************************************************
981 *
982 * cpia2_match_video_size
983 *
984 * return the best match, where 'best' is as always
985 * the largest that is not bigger than what is requested.
986 *****************************************************************************/
987 int cpia2_match_video_size(int width, int height)
988 {
989 if (width >= STV_IMAGE_VGA_COLS && height >= STV_IMAGE_VGA_ROWS)
990 return VIDEOSIZE_VGA;
991
992 if (width >= STV_IMAGE_CIF_COLS && height >= STV_IMAGE_CIF_ROWS)
993 return VIDEOSIZE_CIF;
994
995 if (width >= STV_IMAGE_QVGA_COLS && height >= STV_IMAGE_QVGA_ROWS)
996 return VIDEOSIZE_QVGA;
997
998 if (width >= 288 && height >= 216)
999 return VIDEOSIZE_288_216;
1000
1001 if (width >= 256 && height >= 192)
1002 return VIDEOSIZE_256_192;
1003
1004 if (width >= 224 && height >= 168)
1005 return VIDEOSIZE_224_168;
1006
1007 if (width >= 192 && height >= 144)
1008 return VIDEOSIZE_192_144;
1009
1010 if (width >= STV_IMAGE_QCIF_COLS && height >= STV_IMAGE_QCIF_ROWS)
1011 return VIDEOSIZE_QCIF;
1012
1013 return -1;
1014 }
1015
1016 /******************************************************************************
1017 *
1018 * SetVideoSize
1019 *
1020 *****************************************************************************/
1021 static int set_vw_size(struct camera_data *cam, int size)
1022 {
1023 int retval = 0;
1024
1025 cam->params.vp_params.video_size = size;
1026
1027 switch (size) {
1028 case VIDEOSIZE_VGA:
1029 DBG("Setting size to VGA\n");
1030 cam->params.roi.width = STV_IMAGE_VGA_COLS;
1031 cam->params.roi.height = STV_IMAGE_VGA_ROWS;
1032 cam->vw.width = STV_IMAGE_VGA_COLS;
1033 cam->vw.height = STV_IMAGE_VGA_ROWS;
1034 break;
1035 case VIDEOSIZE_CIF:
1036 DBG("Setting size to CIF\n");
1037 cam->params.roi.width = STV_IMAGE_CIF_COLS;
1038 cam->params.roi.height = STV_IMAGE_CIF_ROWS;
1039 cam->vw.width = STV_IMAGE_CIF_COLS;
1040 cam->vw.height = STV_IMAGE_CIF_ROWS;
1041 break;
1042 case VIDEOSIZE_QVGA:
1043 DBG("Setting size to QVGA\n");
1044 cam->params.roi.width = STV_IMAGE_QVGA_COLS;
1045 cam->params.roi.height = STV_IMAGE_QVGA_ROWS;
1046 cam->vw.width = STV_IMAGE_QVGA_COLS;
1047 cam->vw.height = STV_IMAGE_QVGA_ROWS;
1048 break;
1049 case VIDEOSIZE_288_216:
1050 cam->params.roi.width = 288;
1051 cam->params.roi.height = 216;
1052 cam->vw.width = 288;
1053 cam->vw.height = 216;
1054 break;
1055 case VIDEOSIZE_256_192:
1056 cam->vw.width = 256;
1057 cam->vw.height = 192;
1058 cam->params.roi.width = 256;
1059 cam->params.roi.height = 192;
1060 break;
1061 case VIDEOSIZE_224_168:
1062 cam->vw.width = 224;
1063 cam->vw.height = 168;
1064 cam->params.roi.width = 224;
1065 cam->params.roi.height = 168;
1066 break;
1067 case VIDEOSIZE_192_144:
1068 cam->vw.width = 192;
1069 cam->vw.height = 144;
1070 cam->params.roi.width = 192;
1071 cam->params.roi.height = 144;
1072 break;
1073 case VIDEOSIZE_QCIF:
1074 DBG("Setting size to QCIF\n");
1075 cam->params.roi.width = STV_IMAGE_QCIF_COLS;
1076 cam->params.roi.height = STV_IMAGE_QCIF_ROWS;
1077 cam->vw.width = STV_IMAGE_QCIF_COLS;
1078 cam->vw.height = STV_IMAGE_QCIF_ROWS;
1079 break;
1080 default:
1081 retval = -EINVAL;
1082 }
1083 return retval;
1084 }
1085
1086 /******************************************************************************
1087 *
1088 * configure_sensor
1089 *
1090 *****************************************************************************/
1091 static int configure_sensor(struct camera_data *cam,
1092 int req_width, int req_height)
1093 {
1094 int retval;
1095
1096 switch (cam->params.version.sensor_flags) {
1097 case CPIA2_VP_SENSOR_FLAGS_404:
1098 case CPIA2_VP_SENSOR_FLAGS_407:
1099 case CPIA2_VP_SENSOR_FLAGS_409:
1100 case CPIA2_VP_SENSOR_FLAGS_410:
1101 retval = config_sensor_410(cam, req_width, req_height);
1102 break;
1103 case CPIA2_VP_SENSOR_FLAGS_500:
1104 retval = config_sensor_500(cam, req_width, req_height);
1105 break;
1106 default:
1107 return -EINVAL;
1108 }
1109
1110 return retval;
1111 }
1112
1113 /******************************************************************************
1114 *
1115 * config_sensor_410
1116 *
1117 *****************************************************************************/
1118 static int config_sensor_410(struct camera_data *cam,
1119 int req_width, int req_height)
1120 {
1121 struct cpia2_command cmd;
1122 int i = 0;
1123 int image_size;
1124 int image_type;
1125 int width = req_width;
1126 int height = req_height;
1127
1128 /***
1129 * Make sure size doesn't exceed CIF.
1130 ***/
1131 if (width > STV_IMAGE_CIF_COLS)
1132 width = STV_IMAGE_CIF_COLS;
1133 if (height > STV_IMAGE_CIF_ROWS)
1134 height = STV_IMAGE_CIF_ROWS;
1135
1136 image_size = cpia2_match_video_size(width, height);
1137
1138 DBG("Config 410: width = %d, height = %d\n", width, height);
1139 DBG("Image size returned is %d\n", image_size);
1140 if (image_size >= 0) {
1141 set_vw_size(cam, image_size);
1142 width = cam->params.roi.width;
1143 height = cam->params.roi.height;
1144
1145 DBG("After set_vw_size(), width = %d, height = %d\n",
1146 width, height);
1147 if (width <= 176 && height <= 144) {
1148 DBG("image type = VIDEOSIZE_QCIF\n");
1149 image_type = VIDEOSIZE_QCIF;
1150 }
1151 else if (width <= 320 && height <= 240) {
1152 DBG("image type = VIDEOSIZE_QVGA\n");
1153 image_type = VIDEOSIZE_QVGA;
1154 }
1155 else {
1156 DBG("image type = VIDEOSIZE_CIF\n");
1157 image_type = VIDEOSIZE_CIF;
1158 }
1159 } else {
1160 ERR("ConfigSensor410 failed\n");
1161 return -EINVAL;
1162 }
1163
1164 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
1165 cmd.direction = TRANSFER_WRITE;
1166
1167 /* VC Format */
1168 cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT;
1169 if (image_type == VIDEOSIZE_CIF) {
1170 cmd.buffer.registers[i++].value =
1171 (u8) (CPIA2_VC_VC_FORMAT_UFIRST |
1172 CPIA2_VC_VC_FORMAT_SHORTLINE);
1173 } else {
1174 cmd.buffer.registers[i++].value =
1175 (u8) CPIA2_VC_VC_FORMAT_UFIRST;
1176 }
1177
1178 /* VC Clocks */
1179 cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS;
1180 if (image_type == VIDEOSIZE_QCIF) {
1181 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
1182 cmd.buffer.registers[i++].value=
1183 (u8)(CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 |
1184 CPIA2_VC_VC_672_CLOCKS_SCALING |
1185 CPIA2_VC_VC_CLOCKS_LOGDIV2);
1186 DBG("VC_Clocks (0xc4) should be B\n");
1187 }
1188 else {
1189 cmd.buffer.registers[i++].value=
1190 (u8)(CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 |
1191 CPIA2_VC_VC_CLOCKS_LOGDIV2);
1192 }
1193 } else {
1194 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
1195 cmd.buffer.registers[i++].value =
1196 (u8) (CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 |
1197 CPIA2_VC_VC_CLOCKS_LOGDIV0);
1198 }
1199 else {
1200 cmd.buffer.registers[i++].value =
1201 (u8) (CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 |
1202 CPIA2_VC_VC_676_CLOCKS_SCALING |
1203 CPIA2_VC_VC_CLOCKS_LOGDIV0);
1204 }
1205 }
1206 DBG("VC_Clocks (0xc4) = 0x%0X\n", cmd.buffer.registers[i-1].value);
1207
1208 /* Input reqWidth from VC */
1209 cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO;
1210 if (image_type == VIDEOSIZE_QCIF)
1211 cmd.buffer.registers[i++].value =
1212 (u8) (STV_IMAGE_QCIF_COLS / 4);
1213 else
1214 cmd.buffer.registers[i++].value =
1215 (u8) (STV_IMAGE_CIF_COLS / 4);
1216
1217 /* Timings */
1218 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI;
1219 if (image_type == VIDEOSIZE_QCIF)
1220 cmd.buffer.registers[i++].value = (u8) 0;
1221 else
1222 cmd.buffer.registers[i++].value = (u8) 1;
1223
1224 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO;
1225 if (image_type == VIDEOSIZE_QCIF)
1226 cmd.buffer.registers[i++].value = (u8) 208;
1227 else
1228 cmd.buffer.registers[i++].value = (u8) 160;
1229
1230 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI;
1231 if (image_type == VIDEOSIZE_QCIF)
1232 cmd.buffer.registers[i++].value = (u8) 0;
1233 else
1234 cmd.buffer.registers[i++].value = (u8) 1;
1235
1236 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO;
1237 if (image_type == VIDEOSIZE_QCIF)
1238 cmd.buffer.registers[i++].value = (u8) 160;
1239 else
1240 cmd.buffer.registers[i++].value = (u8) 64;
1241
1242 /* Output Image Size */
1243 cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE;
1244 cmd.buffer.registers[i++].value = cam->params.roi.width / 4;
1245
1246 cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE;
1247 cmd.buffer.registers[i++].value = cam->params.roi.height / 4;
1248
1249 /* Cropping */
1250 cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP;
1251 if (image_type == VIDEOSIZE_QCIF)
1252 cmd.buffer.registers[i++].value =
1253 (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2);
1254 else
1255 cmd.buffer.registers[i++].value =
1256 (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2);
1257
1258 cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP;
1259 if (image_type == VIDEOSIZE_QCIF)
1260 cmd.buffer.registers[i++].value =
1261 (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2);
1262 else
1263 cmd.buffer.registers[i++].value =
1264 (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2);
1265
1266 /* Scaling registers (defaults) */
1267 cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE;
1268 cmd.buffer.registers[i++].value = (u8) 0;
1269
1270 cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE;
1271 cmd.buffer.registers[i++].value = (u8) 0;
1272
1273 cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN;
1274 cmd.buffer.registers[i++].value = (u8) 31;
1275
1276 cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN;
1277 cmd.buffer.registers[i++].value = (u8) 31;
1278
1279 cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP;
1280 cmd.buffer.registers[i++].value = (u8) 0;
1281
1282 cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP;
1283 cmd.buffer.registers[i++].value = (u8) 0;
1284
1285 cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT;
1286 cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */
1287
1288 cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT;
1289 cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */
1290
1291 cmd.reg_count = i;
1292
1293 cpia2_send_command(cam, &cmd);
1294
1295 return i;
1296 }
1297
1298
1299 /******************************************************************************
1300 *
1301 * config_sensor_500(cam)
1302 *
1303 *****************************************************************************/
1304 static int config_sensor_500(struct camera_data *cam,
1305 int req_width, int req_height)
1306 {
1307 struct cpia2_command cmd;
1308 int i = 0;
1309 int image_size = VIDEOSIZE_CIF;
1310 int image_type = VIDEOSIZE_VGA;
1311 int width = req_width;
1312 int height = req_height;
1313 unsigned int device = cam->params.pnp_id.device_type;
1314
1315 image_size = cpia2_match_video_size(width, height);
1316
1317 if (width > STV_IMAGE_CIF_COLS || height > STV_IMAGE_CIF_ROWS)
1318 image_type = VIDEOSIZE_VGA;
1319 else if (width > STV_IMAGE_QVGA_COLS || height > STV_IMAGE_QVGA_ROWS)
1320 image_type = VIDEOSIZE_CIF;
1321 else if (width > STV_IMAGE_QCIF_COLS || height > STV_IMAGE_QCIF_ROWS)
1322 image_type = VIDEOSIZE_QVGA;
1323 else
1324 image_type = VIDEOSIZE_QCIF;
1325
1326 if (image_size >= 0) {
1327 set_vw_size(cam, image_size);
1328 width = cam->params.roi.width;
1329 height = cam->params.roi.height;
1330 } else {
1331 ERR("ConfigSensor500 failed\n");
1332 return -EINVAL;
1333 }
1334
1335 DBG("image_size = %d, width = %d, height = %d, type = %d\n",
1336 image_size, width, height, image_type);
1337
1338 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
1339 cmd.direction = TRANSFER_WRITE;
1340 i = 0;
1341
1342 /* VC Format */
1343 cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT;
1344 cmd.buffer.registers[i].value = (u8) CPIA2_VC_VC_FORMAT_UFIRST;
1345 if (image_type == VIDEOSIZE_QCIF)
1346 cmd.buffer.registers[i].value |= (u8) CPIA2_VC_VC_FORMAT_DECIMATING;
1347 i++;
1348
1349 /* VC Clocks */
1350 cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS;
1351 if (device == DEVICE_STV_672) {
1352 if (image_type == VIDEOSIZE_VGA)
1353 cmd.buffer.registers[i].value =
1354 (u8)CPIA2_VC_VC_CLOCKS_LOGDIV1;
1355 else
1356 cmd.buffer.registers[i].value =
1357 (u8)(CPIA2_VC_VC_672_CLOCKS_SCALING |
1358 CPIA2_VC_VC_CLOCKS_LOGDIV3);
1359 } else {
1360 if (image_type == VIDEOSIZE_VGA)
1361 cmd.buffer.registers[i].value =
1362 (u8)CPIA2_VC_VC_CLOCKS_LOGDIV0;
1363 else
1364 cmd.buffer.registers[i].value =
1365 (u8)(CPIA2_VC_VC_676_CLOCKS_SCALING |
1366 CPIA2_VC_VC_CLOCKS_LOGDIV2);
1367 }
1368 i++;
1369
1370 DBG("VC_CLOCKS = 0x%X\n", cmd.buffer.registers[i-1].value);
1371
1372 /* Input width from VP */
1373 cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO;
1374 if (image_type == VIDEOSIZE_VGA)
1375 cmd.buffer.registers[i].value =
1376 (u8) (STV_IMAGE_VGA_COLS / 4);
1377 else
1378 cmd.buffer.registers[i].value =
1379 (u8) (STV_IMAGE_QVGA_COLS / 4);
1380 i++;
1381 DBG("Input width = %d\n", cmd.buffer.registers[i-1].value);
1382
1383 /* Timings */
1384 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI;
1385 if (image_type == VIDEOSIZE_VGA)
1386 cmd.buffer.registers[i++].value = (u8) 2;
1387 else
1388 cmd.buffer.registers[i++].value = (u8) 1;
1389
1390 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO;
1391 if (image_type == VIDEOSIZE_VGA)
1392 cmd.buffer.registers[i++].value = (u8) 250;
1393 else if (image_type == VIDEOSIZE_QVGA)
1394 cmd.buffer.registers[i++].value = (u8) 125;
1395 else
1396 cmd.buffer.registers[i++].value = (u8) 160;
1397
1398 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI;
1399 if (image_type == VIDEOSIZE_VGA)
1400 cmd.buffer.registers[i++].value = (u8) 2;
1401 else
1402 cmd.buffer.registers[i++].value = (u8) 1;
1403
1404 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO;
1405 if (image_type == VIDEOSIZE_VGA)
1406 cmd.buffer.registers[i++].value = (u8) 12;
1407 else if (image_type == VIDEOSIZE_QVGA)
1408 cmd.buffer.registers[i++].value = (u8) 64;
1409 else
1410 cmd.buffer.registers[i++].value = (u8) 6;
1411
1412 /* Output Image Size */
1413 cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE;
1414 if (image_type == VIDEOSIZE_QCIF)
1415 cmd.buffer.registers[i++].value = STV_IMAGE_CIF_COLS / 4;
1416 else
1417 cmd.buffer.registers[i++].value = width / 4;
1418
1419 cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE;
1420 if (image_type == VIDEOSIZE_QCIF)
1421 cmd.buffer.registers[i++].value = STV_IMAGE_CIF_ROWS / 4;
1422 else
1423 cmd.buffer.registers[i++].value = height / 4;
1424
1425 /* Cropping */
1426 cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP;
1427 if (image_type == VIDEOSIZE_VGA)
1428 cmd.buffer.registers[i++].value =
1429 (u8) (((STV_IMAGE_VGA_COLS / 4) - (width / 4)) / 2);
1430 else if (image_type == VIDEOSIZE_QVGA)
1431 cmd.buffer.registers[i++].value =
1432 (u8) (((STV_IMAGE_QVGA_COLS / 4) - (width / 4)) / 2);
1433 else if (image_type == VIDEOSIZE_CIF)
1434 cmd.buffer.registers[i++].value =
1435 (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2);
1436 else /*if (image_type == VIDEOSIZE_QCIF)*/
1437 cmd.buffer.registers[i++].value =
1438 (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2);
1439
1440 cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP;
1441 if (image_type == VIDEOSIZE_VGA)
1442 cmd.buffer.registers[i++].value =
1443 (u8) (((STV_IMAGE_VGA_ROWS / 4) - (height / 4)) / 2);
1444 else if (image_type == VIDEOSIZE_QVGA)
1445 cmd.buffer.registers[i++].value =
1446 (u8) (((STV_IMAGE_QVGA_ROWS / 4) - (height / 4)) / 2);
1447 else if (image_type == VIDEOSIZE_CIF)
1448 cmd.buffer.registers[i++].value =
1449 (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2);
1450 else /*if (image_type == VIDEOSIZE_QCIF)*/
1451 cmd.buffer.registers[i++].value =
1452 (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2);
1453
1454 /* Scaling registers (defaults) */
1455 cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE;
1456 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1457 cmd.buffer.registers[i++].value = (u8) 36;
1458 else
1459 cmd.buffer.registers[i++].value = (u8) 0;
1460
1461 cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE;
1462 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1463 cmd.buffer.registers[i++].value = (u8) 32;
1464 else
1465 cmd.buffer.registers[i++].value = (u8) 0;
1466
1467 cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN;
1468 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1469 cmd.buffer.registers[i++].value = (u8) 26;
1470 else
1471 cmd.buffer.registers[i++].value = (u8) 31;
1472
1473 cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN;
1474 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1475 cmd.buffer.registers[i++].value = (u8) 21;
1476 else
1477 cmd.buffer.registers[i++].value = (u8) 31;
1478
1479 cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP;
1480 cmd.buffer.registers[i++].value = (u8) 0;
1481
1482 cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP;
1483 cmd.buffer.registers[i++].value = (u8) 0;
1484
1485 cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT;
1486 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1487 cmd.buffer.registers[i++].value = (u8) 0x2B; /* 2/11 */
1488 else
1489 cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */
1490
1491 cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT;
1492 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1493 cmd.buffer.registers[i++].value = (u8) 0x13; /* 1/3 */
1494 else
1495 cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */
1496
1497 cmd.reg_count = i;
1498
1499 cpia2_send_command(cam, &cmd);
1500
1501 return i;
1502 }
1503
1504
1505 /******************************************************************************
1506 *
1507 * setallproperties
1508 *
1509 * This sets all user changeable properties to the values in cam->params.
1510 *****************************************************************************/
1511 int set_all_properties(struct camera_data *cam)
1512 {
1513 /**
1514 * Don't set target_kb here, it will be set later.
1515 * framerate and user_mode were already set (set_default_user_mode).
1516 **/
1517
1518 cpia2_set_color_params(cam);
1519
1520 cpia2_usb_change_streaming_alternate(cam,
1521 cam->params.camera_state.stream_mode);
1522
1523 cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE,
1524 cam->params.vp_params.user_effects);
1525
1526 cpia2_set_flicker_mode(cam,
1527 cam->params.flicker_control.flicker_mode_req);
1528
1529 cpia2_do_command(cam,
1530 CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION,
1531 TRANSFER_WRITE, cam->params.vp_params.gpio_direction);
1532 cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA, TRANSFER_WRITE,
1533 cam->params.vp_params.gpio_data);
1534
1535 wake_system(cam);
1536
1537 set_lowlight_boost(cam);
1538
1539 return 0;
1540 }
1541
1542 /******************************************************************************
1543 *
1544 * cpia2_save_camera_state
1545 *
1546 *****************************************************************************/
1547 void cpia2_save_camera_state(struct camera_data *cam)
1548 {
1549 get_color_params(cam);
1550 cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0);
1551 cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION, TRANSFER_READ,
1552 0);
1553 cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DATA, TRANSFER_READ, 0);
1554 /* Don't get framerate or target_kb. Trust the values we already have */
1555 }
1556
1557 /******************************************************************************
1558 *
1559 * get_color_params
1560 *
1561 *****************************************************************************/
1562 void get_color_params(struct camera_data *cam)
1563 {
1564 cpia2_do_command(cam, CPIA2_CMD_GET_VP_BRIGHTNESS, TRANSFER_READ, 0);
1565 cpia2_do_command(cam, CPIA2_CMD_GET_VP_SATURATION, TRANSFER_READ, 0);
1566 cpia2_do_command(cam, CPIA2_CMD_GET_CONTRAST, TRANSFER_READ, 0);
1567 }
1568
1569 /******************************************************************************
1570 *
1571 * cpia2_set_color_params
1572 *
1573 *****************************************************************************/
1574 void cpia2_set_color_params(struct camera_data *cam)
1575 {
1576 DBG("Setting color params\n");
1577 cpia2_set_brightness(cam, cam->params.color_params.brightness);
1578 cpia2_set_contrast(cam, cam->params.color_params.contrast);
1579 cpia2_set_saturation(cam, cam->params.color_params.saturation);
1580 }
1581
1582 /******************************************************************************
1583 *
1584 * cpia2_set_flicker_mode
1585 *
1586 *****************************************************************************/
1587 int cpia2_set_flicker_mode(struct camera_data *cam, int mode)
1588 {
1589 unsigned char cam_reg;
1590 int err = 0;
1591
1592 if(cam->params.pnp_id.device_type != DEVICE_STV_672)
1593 return -EINVAL;
1594
1595 /* Set the appropriate bits in FLICKER_MODES, preserving the rest */
1596 if((err = cpia2_do_command(cam, CPIA2_CMD_GET_FLICKER_MODES,
1597 TRANSFER_READ, 0)))
1598 return err;
1599 cam_reg = cam->params.flicker_control.cam_register;
1600
1601 switch(mode) {
1602 case NEVER_FLICKER:
1603 cam_reg |= CPIA2_VP_FLICKER_MODES_NEVER_FLICKER;
1604 cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ;
1605 break;
1606 case FLICKER_60:
1607 cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER;
1608 cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ;
1609 break;
1610 case FLICKER_50:
1611 cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER;
1612 cam_reg |= CPIA2_VP_FLICKER_MODES_50HZ;
1613 break;
1614 default:
1615 return -EINVAL;
1616 }
1617
1618 if((err = cpia2_do_command(cam, CPIA2_CMD_SET_FLICKER_MODES,
1619 TRANSFER_WRITE, cam_reg)))
1620 return err;
1621
1622 /* Set the appropriate bits in EXP_MODES, preserving the rest */
1623 if((err = cpia2_do_command(cam, CPIA2_CMD_GET_VP_EXP_MODES,
1624 TRANSFER_READ, 0)))
1625 return err;
1626 cam_reg = cam->params.vp_params.exposure_modes;
1627
1628 if (mode == NEVER_FLICKER) {
1629 cam_reg |= CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER;
1630 } else {
1631 cam_reg &= ~CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER;
1632 }
1633
1634 if((err = cpia2_do_command(cam, CPIA2_CMD_SET_VP_EXP_MODES,
1635 TRANSFER_WRITE, cam_reg)))
1636 return err;
1637
1638 if((err = cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4,
1639 TRANSFER_WRITE, 1)))
1640 return err;
1641
1642 switch(mode) {
1643 case NEVER_FLICKER:
1644 cam->params.flicker_control.flicker_mode_req = mode;
1645 break;
1646 case FLICKER_60:
1647 cam->params.flicker_control.flicker_mode_req = mode;
1648 cam->params.flicker_control.mains_frequency = 60;
1649 break;
1650 case FLICKER_50:
1651 cam->params.flicker_control.flicker_mode_req = mode;
1652 cam->params.flicker_control.mains_frequency = 50;
1653 break;
1654 default:
1655 err = -EINVAL;
1656 }
1657
1658 return err;
1659 }
1660
1661 /******************************************************************************
1662 *
1663 * cpia2_set_property_flip
1664 *
1665 *****************************************************************************/
1666 void cpia2_set_property_flip(struct camera_data *cam, int prop_val)
1667 {
1668 unsigned char cam_reg;
1669
1670 cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0);
1671 cam_reg = cam->params.vp_params.user_effects;
1672
1673 if (prop_val)
1674 {
1675 cam_reg |= CPIA2_VP_USER_EFFECTS_FLIP;
1676 }
1677 else
1678 {
1679 cam_reg &= ~CPIA2_VP_USER_EFFECTS_FLIP;
1680 }
1681 cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE,
1682 cam_reg);
1683 }
1684
1685 /******************************************************************************
1686 *
1687 * cpia2_set_property_mirror
1688 *
1689 *****************************************************************************/
1690 void cpia2_set_property_mirror(struct camera_data *cam, int prop_val)
1691 {
1692 unsigned char cam_reg;
1693
1694 cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0);
1695 cam_reg = cam->params.vp_params.user_effects;
1696
1697 if (prop_val)
1698 {
1699 cam_reg |= CPIA2_VP_USER_EFFECTS_MIRROR;
1700 }
1701 else
1702 {
1703 cam_reg &= ~CPIA2_VP_USER_EFFECTS_MIRROR;
1704 }
1705 cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE,
1706 cam_reg);
1707 }
1708
1709 /******************************************************************************
1710 *
1711 * set_target_kb
1712 *
1713 * The new Target KB is set in cam->params.vc_params.target_kb and
1714 * activates on reset.
1715 *****************************************************************************/
1716
1717 int cpia2_set_target_kb(struct camera_data *cam, unsigned char value)
1718 {
1719 DBG("Requested target_kb = %d\n", value);
1720 if (value != cam->params.vc_params.target_kb) {
1721
1722 cpia2_usb_stream_pause(cam);
1723
1724 /* reset camera for new target_kb */
1725 cam->params.vc_params.target_kb = value;
1726 cpia2_reset_camera(cam);
1727
1728 cpia2_usb_stream_resume(cam);
1729 }
1730
1731 return 0;
1732 }
1733
1734 /******************************************************************************
1735 *
1736 * cpia2_set_gpio
1737 *
1738 *****************************************************************************/
1739 int cpia2_set_gpio(struct camera_data *cam, unsigned char setting)
1740 {
1741 int ret;
1742
1743 /* Set the microport direction (register 0x90, should be defined
1744 * already) to 1 (user output), and set the microport data (0x91) to
1745 * the value in the ioctl argument.
1746 */
1747
1748 ret = cpia2_do_command(cam,
1749 CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION,
1750 CPIA2_VC_MP_DIR_OUTPUT,
1751 255);
1752 if (ret < 0)
1753 return ret;
1754 cam->params.vp_params.gpio_direction = 255;
1755
1756 ret = cpia2_do_command(cam,
1757 CPIA2_CMD_SET_VC_MP_GPIO_DATA,
1758 CPIA2_VC_MP_DIR_OUTPUT,
1759 setting);
1760 if (ret < 0)
1761 return ret;
1762 cam->params.vp_params.gpio_data = setting;
1763
1764 return 0;
1765 }
1766
1767 /******************************************************************************
1768 *
1769 * cpia2_set_fps
1770 *
1771 *****************************************************************************/
1772 int cpia2_set_fps(struct camera_data *cam, int framerate)
1773 {
1774 int retval;
1775
1776 switch(framerate) {
1777 case CPIA2_VP_FRAMERATE_30:
1778 case CPIA2_VP_FRAMERATE_25:
1779 if(cam->params.pnp_id.device_type == DEVICE_STV_672 &&
1780 cam->params.version.sensor_flags ==
1781 CPIA2_VP_SENSOR_FLAGS_500) {
1782 return -EINVAL;
1783 }
1784 /* Fall through */
1785 case CPIA2_VP_FRAMERATE_15:
1786 case CPIA2_VP_FRAMERATE_12_5:
1787 case CPIA2_VP_FRAMERATE_7_5:
1788 case CPIA2_VP_FRAMERATE_6_25:
1789 break;
1790 default:
1791 return -EINVAL;
1792 }
1793
1794 if (cam->params.pnp_id.device_type == DEVICE_STV_672 &&
1795 framerate == CPIA2_VP_FRAMERATE_15)
1796 framerate = 0; /* Work around bug in VP4 */
1797
1798 retval = cpia2_do_command(cam,
1799 CPIA2_CMD_FRAMERATE_REQ,
1800 TRANSFER_WRITE,
1801 framerate);
1802
1803 if(retval == 0)
1804 cam->params.vp_params.frame_rate = framerate;
1805
1806 return retval;
1807 }
1808
1809 /******************************************************************************
1810 *
1811 * cpia2_set_brightness
1812 *
1813 *****************************************************************************/
1814 void cpia2_set_brightness(struct camera_data *cam, unsigned char value)
1815 {
1816 /***
1817 * Don't let the register be set to zero - bug in VP4 - flash of full
1818 * brightness
1819 ***/
1820 if (cam->params.pnp_id.device_type == DEVICE_STV_672 && value == 0)
1821 value++;
1822 DBG("Setting brightness to %d (0x%0x)\n", value, value);
1823 cpia2_do_command(cam,CPIA2_CMD_SET_VP_BRIGHTNESS, TRANSFER_WRITE,value);
1824 }
1825
1826 /******************************************************************************
1827 *
1828 * cpia2_set_contrast
1829 *
1830 *****************************************************************************/
1831 void cpia2_set_contrast(struct camera_data *cam, unsigned char value)
1832 {
1833 DBG("Setting contrast to %d (0x%0x)\n", value, value);
1834 cam->params.color_params.contrast = value;
1835 cpia2_do_command(cam, CPIA2_CMD_SET_CONTRAST, TRANSFER_WRITE, value);
1836 }
1837
1838 /******************************************************************************
1839 *
1840 * cpia2_set_saturation
1841 *
1842 *****************************************************************************/
1843 void cpia2_set_saturation(struct camera_data *cam, unsigned char value)
1844 {
1845 DBG("Setting saturation to %d (0x%0x)\n", value, value);
1846 cam->params.color_params.saturation = value;
1847 cpia2_do_command(cam,CPIA2_CMD_SET_VP_SATURATION, TRANSFER_WRITE,value);
1848 }
1849
1850 /******************************************************************************
1851 *
1852 * wake_system
1853 *
1854 *****************************************************************************/
1855 void wake_system(struct camera_data *cam)
1856 {
1857 cpia2_do_command(cam, CPIA2_CMD_SET_WAKEUP, TRANSFER_WRITE, 0);
1858 }
1859
1860 /******************************************************************************
1861 *
1862 * set_lowlight_boost
1863 *
1864 * Valid for STV500 sensor only
1865 *****************************************************************************/
1866 void set_lowlight_boost(struct camera_data *cam)
1867 {
1868 struct cpia2_command cmd;
1869
1870 if (cam->params.pnp_id.device_type != DEVICE_STV_672 ||
1871 cam->params.version.sensor_flags != CPIA2_VP_SENSOR_FLAGS_500)
1872 return;
1873
1874 cmd.direction = TRANSFER_WRITE;
1875 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
1876 cmd.reg_count = 3;
1877 cmd.start = CPIA2_VP_RAM_ADDR_H;
1878
1879 cmd.buffer.block_data[0] = 0; /* High byte of address to write to */
1880 cmd.buffer.block_data[1] = 0x59; /* Low byte of address to write to */
1881 cmd.buffer.block_data[2] = 0; /* High byte of data to write */
1882
1883 cpia2_send_command(cam, &cmd);
1884
1885 if (cam->params.vp_params.lowlight_boost) {
1886 cmd.buffer.block_data[0] = 0x02; /* Low byte data to write */
1887 } else {
1888 cmd.buffer.block_data[0] = 0x06;
1889 }
1890 cmd.start = CPIA2_VP_RAM_DATA;
1891 cmd.reg_count = 1;
1892 cpia2_send_command(cam, &cmd);
1893
1894 /* Rehash the VP4 values */
1895 cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4, TRANSFER_WRITE, 1);
1896 }
1897
1898 /******************************************************************************
1899 *
1900 * cpia2_set_format
1901 *
1902 * Assumes that new size is already set in param struct.
1903 *****************************************************************************/
1904 void cpia2_set_format(struct camera_data *cam)
1905 {
1906 cam->flush = true;
1907
1908 cpia2_usb_stream_pause(cam);
1909
1910 /* reset camera to new size */
1911 cpia2_set_low_power(cam);
1912 cpia2_reset_camera(cam);
1913 cam->flush = false;
1914
1915 cpia2_dbg_dump_registers(cam);
1916
1917 cpia2_usb_stream_resume(cam);
1918 }
1919
1920 /******************************************************************************
1921 *
1922 * cpia2_dbg_dump_registers
1923 *
1924 *****************************************************************************/
1925 void cpia2_dbg_dump_registers(struct camera_data *cam)
1926 {
1927 #ifdef _CPIA2_DEBUG_
1928 struct cpia2_command cmd;
1929
1930 if (!(debugs_on & DEBUG_DUMP_REGS))
1931 return;
1932
1933 cmd.direction = TRANSFER_READ;
1934
1935 /* Start with bank 0 (SYSTEM) */
1936 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
1937 cmd.reg_count = 3;
1938 cmd.start = 0;
1939 cpia2_send_command(cam, &cmd);
1940 printk(KERN_DEBUG "System Device Hi = 0x%X\n",
1941 cmd.buffer.block_data[0]);
1942 printk(KERN_DEBUG "System Device Lo = 0x%X\n",
1943 cmd.buffer.block_data[1]);
1944 printk(KERN_DEBUG "System_system control = 0x%X\n",
1945 cmd.buffer.block_data[2]);
1946
1947 /* Bank 1 (VC) */
1948 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
1949 cmd.reg_count = 4;
1950 cmd.start = 0x80;
1951 cpia2_send_command(cam, &cmd);
1952 printk(KERN_DEBUG "ASIC_ID = 0x%X\n",
1953 cmd.buffer.block_data[0]);
1954 printk(KERN_DEBUG "ASIC_REV = 0x%X\n",
1955 cmd.buffer.block_data[1]);
1956 printk(KERN_DEBUG "PW_CONTRL = 0x%X\n",
1957 cmd.buffer.block_data[2]);
1958 printk(KERN_DEBUG "WAKEUP = 0x%X\n",
1959 cmd.buffer.block_data[3]);
1960
1961 cmd.start = 0xA0; /* ST_CTRL */
1962 cmd.reg_count = 1;
1963 cpia2_send_command(cam, &cmd);
1964 printk(KERN_DEBUG "Stream ctrl = 0x%X\n",
1965 cmd.buffer.block_data[0]);
1966
1967 cmd.start = 0xA4; /* Stream status */
1968 cpia2_send_command(cam, &cmd);
1969 printk(KERN_DEBUG "Stream status = 0x%X\n",
1970 cmd.buffer.block_data[0]);
1971
1972 cmd.start = 0xA8; /* USB status */
1973 cmd.reg_count = 3;
1974 cpia2_send_command(cam, &cmd);
1975 printk(KERN_DEBUG "USB_CTRL = 0x%X\n",
1976 cmd.buffer.block_data[0]);
1977 printk(KERN_DEBUG "USB_STRM = 0x%X\n",
1978 cmd.buffer.block_data[1]);
1979 printk(KERN_DEBUG "USB_STATUS = 0x%X\n",
1980 cmd.buffer.block_data[2]);
1981
1982 cmd.start = 0xAF; /* USB settings */
1983 cmd.reg_count = 1;
1984 cpia2_send_command(cam, &cmd);
1985 printk(KERN_DEBUG "USB settings = 0x%X\n",
1986 cmd.buffer.block_data[0]);
1987
1988 cmd.start = 0xC0; /* VC stuff */
1989 cmd.reg_count = 26;
1990 cpia2_send_command(cam, &cmd);
1991 printk(KERN_DEBUG "VC Control = 0x%0X\n",
1992 cmd.buffer.block_data[0]);
1993 printk(KERN_DEBUG "VC Format = 0x%0X\n",
1994 cmd.buffer.block_data[3]);
1995 printk(KERN_DEBUG "VC Clocks = 0x%0X\n",
1996 cmd.buffer.block_data[4]);
1997 printk(KERN_DEBUG "VC IHSize = 0x%0X\n",
1998 cmd.buffer.block_data[5]);
1999 printk(KERN_DEBUG "VC Xlim Hi = 0x%0X\n",
2000 cmd.buffer.block_data[6]);
2001 printk(KERN_DEBUG "VC XLim Lo = 0x%0X\n",
2002 cmd.buffer.block_data[7]);
2003 printk(KERN_DEBUG "VC YLim Hi = 0x%0X\n",
2004 cmd.buffer.block_data[8]);
2005 printk(KERN_DEBUG "VC YLim Lo = 0x%0X\n",
2006 cmd.buffer.block_data[9]);
2007 printk(KERN_DEBUG "VC OHSize = 0x%0X\n",
2008 cmd.buffer.block_data[10]);
2009 printk(KERN_DEBUG "VC OVSize = 0x%0X\n",
2010 cmd.buffer.block_data[11]);
2011 printk(KERN_DEBUG "VC HCrop = 0x%0X\n",
2012 cmd.buffer.block_data[12]);
2013 printk(KERN_DEBUG "VC VCrop = 0x%0X\n",
2014 cmd.buffer.block_data[13]);
2015 printk(KERN_DEBUG "VC HPhase = 0x%0X\n",
2016 cmd.buffer.block_data[14]);
2017 printk(KERN_DEBUG "VC VPhase = 0x%0X\n",
2018 cmd.buffer.block_data[15]);
2019 printk(KERN_DEBUG "VC HIspan = 0x%0X\n",
2020 cmd.buffer.block_data[16]);
2021 printk(KERN_DEBUG "VC VIspan = 0x%0X\n",
2022 cmd.buffer.block_data[17]);
2023 printk(KERN_DEBUG "VC HiCrop = 0x%0X\n",
2024 cmd.buffer.block_data[18]);
2025 printk(KERN_DEBUG "VC ViCrop = 0x%0X\n",
2026 cmd.buffer.block_data[19]);
2027 printk(KERN_DEBUG "VC HiFract = 0x%0X\n",
2028 cmd.buffer.block_data[20]);
2029 printk(KERN_DEBUG "VC ViFract = 0x%0X\n",
2030 cmd.buffer.block_data[21]);
2031 printk(KERN_DEBUG "VC JPeg Opt = 0x%0X\n",
2032 cmd.buffer.block_data[22]);
2033 printk(KERN_DEBUG "VC Creep Per = 0x%0X\n",
2034 cmd.buffer.block_data[23]);
2035 printk(KERN_DEBUG "VC User Sq. = 0x%0X\n",
2036 cmd.buffer.block_data[24]);
2037 printk(KERN_DEBUG "VC Target KB = 0x%0X\n",
2038 cmd.buffer.block_data[25]);
2039
2040 /*** VP ***/
2041 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
2042 cmd.reg_count = 14;
2043 cmd.start = 0;
2044 cpia2_send_command(cam, &cmd);
2045
2046 printk(KERN_DEBUG "VP Dev Hi = 0x%0X\n",
2047 cmd.buffer.block_data[0]);
2048 printk(KERN_DEBUG "VP Dev Lo = 0x%0X\n",
2049 cmd.buffer.block_data[1]);
2050 printk(KERN_DEBUG "VP Sys State = 0x%0X\n",
2051 cmd.buffer.block_data[2]);
2052 printk(KERN_DEBUG "VP Sys Ctrl = 0x%0X\n",
2053 cmd.buffer.block_data[3]);
2054 printk(KERN_DEBUG "VP Sensor flg = 0x%0X\n",
2055 cmd.buffer.block_data[5]);
2056 printk(KERN_DEBUG "VP Sensor Rev = 0x%0X\n",
2057 cmd.buffer.block_data[6]);
2058 printk(KERN_DEBUG "VP Dev Config = 0x%0X\n",
2059 cmd.buffer.block_data[7]);
2060 printk(KERN_DEBUG "VP GPIO_DIR = 0x%0X\n",
2061 cmd.buffer.block_data[8]);
2062 printk(KERN_DEBUG "VP GPIO_DATA = 0x%0X\n",
2063 cmd.buffer.block_data[9]);
2064 printk(KERN_DEBUG "VP Ram ADDR H = 0x%0X\n",
2065 cmd.buffer.block_data[10]);
2066 printk(KERN_DEBUG "VP Ram ADDR L = 0x%0X\n",
2067 cmd.buffer.block_data[11]);
2068 printk(KERN_DEBUG "VP RAM Data = 0x%0X\n",
2069 cmd.buffer.block_data[12]);
2070 printk(KERN_DEBUG "Do Call = 0x%0X\n",
2071 cmd.buffer.block_data[13]);
2072
2073 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
2074 cmd.reg_count = 9;
2075 cmd.start = 0x0E;
2076 cpia2_send_command(cam, &cmd);
2077 printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n",
2078 cmd.buffer.block_data[0]);
2079 printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n",
2080 cmd.buffer.block_data[1]);
2081 printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n",
2082 cmd.buffer.block_data[2]);
2083 printk(KERN_DEBUG "VP Framerate = 0x%0X\n",
2084 cmd.buffer.block_data[3]);
2085 printk(KERN_DEBUG "VP UserEffect = 0x%0X\n",
2086 cmd.buffer.block_data[4]);
2087 printk(KERN_DEBUG "VP White Bal = 0x%0X\n",
2088 cmd.buffer.block_data[5]);
2089 printk(KERN_DEBUG "VP WB thresh = 0x%0X\n",
2090 cmd.buffer.block_data[6]);
2091 printk(KERN_DEBUG "VP Exp Modes = 0x%0X\n",
2092 cmd.buffer.block_data[7]);
2093 printk(KERN_DEBUG "VP Exp Target = 0x%0X\n",
2094 cmd.buffer.block_data[8]);
2095
2096 cmd.reg_count = 1;
2097 cmd.start = 0x1B;
2098 cpia2_send_command(cam, &cmd);
2099 printk(KERN_DEBUG "VP FlickerMds = 0x%0X\n",
2100 cmd.buffer.block_data[0]);
2101 } else {
2102 cmd.reg_count = 8 ;
2103 cmd.start = 0x0E;
2104 cpia2_send_command(cam, &cmd);
2105 printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n",
2106 cmd.buffer.block_data[0]);
2107 printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n",
2108 cmd.buffer.block_data[1]);
2109 printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n",
2110 cmd.buffer.block_data[5]);
2111 printk(KERN_DEBUG "VP Framerate = 0x%0X\n",
2112 cmd.buffer.block_data[6]);
2113 printk(KERN_DEBUG "VP UserEffect = 0x%0X\n",
2114 cmd.buffer.block_data[7]);
2115
2116 cmd.reg_count = 1;
2117 cmd.start = CPIA2_VP5_EXPOSURE_TARGET;
2118 cpia2_send_command(cam, &cmd);
2119 printk(KERN_DEBUG "VP5 Exp Target= 0x%0X\n",
2120 cmd.buffer.block_data[0]);
2121
2122 cmd.reg_count = 4;
2123 cmd.start = 0x3A;
2124 cpia2_send_command(cam, &cmd);
2125 printk(KERN_DEBUG "VP5 MY Black = 0x%0X\n",
2126 cmd.buffer.block_data[0]);
2127 printk(KERN_DEBUG "VP5 MCY Range = 0x%0X\n",
2128 cmd.buffer.block_data[1]);
2129 printk(KERN_DEBUG "VP5 MYCEILING = 0x%0X\n",
2130 cmd.buffer.block_data[2]);
2131 printk(KERN_DEBUG "VP5 MCUV Sat = 0x%0X\n",
2132 cmd.buffer.block_data[3]);
2133 }
2134 #endif
2135 }
2136
2137 /******************************************************************************
2138 *
2139 * reset_camera_struct
2140 *
2141 * Sets all values to the defaults
2142 *****************************************************************************/
2143 void reset_camera_struct(struct camera_data *cam)
2144 {
2145 /***
2146 * The following parameter values are the defaults from the register map.
2147 ***/
2148 cam->params.color_params.brightness = DEFAULT_BRIGHTNESS;
2149 cam->params.color_params.contrast = DEFAULT_CONTRAST;
2150 cam->params.color_params.saturation = DEFAULT_SATURATION;
2151 cam->params.vp_params.lowlight_boost = 0;
2152
2153 /* FlickerModes */
2154 cam->params.flicker_control.flicker_mode_req = NEVER_FLICKER;
2155 cam->params.flicker_control.mains_frequency = 60;
2156
2157 /* jpeg params */
2158 cam->params.compression.jpeg_options = CPIA2_VC_VC_JPEG_OPT_DEFAULT;
2159 cam->params.compression.creep_period = 2;
2160 cam->params.compression.user_squeeze = 20;
2161 cam->params.compression.inhibit_htables = false;
2162
2163 /* gpio params */
2164 cam->params.vp_params.gpio_direction = 0; /* write, the default safe mode */
2165 cam->params.vp_params.gpio_data = 0;
2166
2167 /* Target kb params */
2168 cam->params.vc_params.target_kb = DEFAULT_TARGET_KB;
2169
2170 /***
2171 * Set Sensor FPS as fast as possible.
2172 ***/
2173 if(cam->params.pnp_id.device_type == DEVICE_STV_672) {
2174 if(cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500)
2175 cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_15;
2176 else
2177 cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30;
2178 } else {
2179 cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30;
2180 }
2181
2182 /***
2183 * Set default video mode as large as possible :
2184 * for vga sensor set to vga, for cif sensor set to CIF.
2185 ***/
2186 if (cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500) {
2187 cam->sensor_type = CPIA2_SENSOR_500;
2188 cam->video_size = VIDEOSIZE_VGA;
2189 cam->params.roi.width = STV_IMAGE_VGA_COLS;
2190 cam->params.roi.height = STV_IMAGE_VGA_ROWS;
2191 } else {
2192 cam->sensor_type = CPIA2_SENSOR_410;
2193 cam->video_size = VIDEOSIZE_CIF;
2194 cam->params.roi.width = STV_IMAGE_CIF_COLS;
2195 cam->params.roi.height = STV_IMAGE_CIF_ROWS;
2196 }
2197
2198 /***
2199 * Fill in the v4l structures. video_cap is filled in inside the VIDIOCCAP
2200 * Ioctl. Here, just do the window and picture stucts.
2201 ***/
2202 cam->vp.palette = (u16) VIDEO_PALETTE_RGB24; /* Is this right? */
2203 cam->vp.brightness = (u16) cam->params.color_params.brightness * 256;
2204 cam->vp.colour = (u16) cam->params.color_params.saturation * 256;
2205 cam->vp.contrast = (u16) cam->params.color_params.contrast * 256;
2206
2207 cam->vw.x = 0;
2208 cam->vw.y = 0;
2209 cam->vw.width = cam->params.roi.width;
2210 cam->vw.height = cam->params.roi.height;
2211 cam->vw.flags = 0;
2212 cam->vw.clipcount = 0;
2213
2214 return;
2215 }
2216
2217 /******************************************************************************
2218 *
2219 * cpia2_init_camera_struct
2220 *
2221 * Initializes camera struct, does not call reset to fill in defaults.
2222 *****************************************************************************/
2223 struct camera_data *cpia2_init_camera_struct(void)
2224 {
2225 struct camera_data *cam;
2226
2227 cam = kzalloc(sizeof(*cam), GFP_KERNEL);
2228
2229 if (!cam) {
2230 ERR("couldn't kmalloc cpia2 struct\n");
2231 return NULL;
2232 }
2233
2234
2235 cam->present = 1;
2236 mutex_init(&cam->busy_lock);
2237 init_waitqueue_head(&cam->wq_stream);
2238
2239 return cam;
2240 }
2241
2242 /******************************************************************************
2243 *
2244 * cpia2_init_camera
2245 *
2246 * Initializes camera.
2247 *****************************************************************************/
2248 int cpia2_init_camera(struct camera_data *cam)
2249 {
2250 DBG("Start\n");
2251
2252 cam->mmapped = false;
2253
2254 /* Get sensor and asic types before reset. */
2255 cpia2_set_high_power(cam);
2256 cpia2_get_version_info(cam);
2257 if (cam->params.version.asic_id != CPIA2_ASIC_672) {
2258 ERR("Device IO error (asicID has incorrect value of 0x%X\n",
2259 cam->params.version.asic_id);
2260 return -ENODEV;
2261 }
2262
2263 /* Set GPIO direction and data to a safe state. */
2264 cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION,
2265 TRANSFER_WRITE, 0);
2266 cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA,
2267 TRANSFER_WRITE, 0);
2268
2269 /* resetting struct requires version info for sensor and asic types */
2270 reset_camera_struct(cam);
2271
2272 cpia2_set_low_power(cam);
2273
2274 DBG("End\n");
2275
2276 return 0;
2277 }
2278
2279 /******************************************************************************
2280 *
2281 * cpia2_allocate_buffers
2282 *
2283 *****************************************************************************/
2284 int cpia2_allocate_buffers(struct camera_data *cam)
2285 {
2286 int i;
2287
2288 if(!cam->buffers) {
2289 u32 size = cam->num_frames*sizeof(struct framebuf);
2290 cam->buffers = kmalloc(size, GFP_KERNEL);
2291 if(!cam->buffers) {
2292 ERR("couldn't kmalloc frame buffer structures\n");
2293 return -ENOMEM;
2294 }
2295 }
2296
2297 if(!cam->frame_buffer) {
2298 cam->frame_buffer = rvmalloc(cam->frame_size*cam->num_frames);
2299 if (!cam->frame_buffer) {
2300 ERR("couldn't vmalloc frame buffer data area\n");
2301 kfree(cam->buffers);
2302 cam->buffers = NULL;
2303 return -ENOMEM;
2304 }
2305 }
2306
2307 for(i=0; i<cam->num_frames-1; ++i) {
2308 cam->buffers[i].next = &cam->buffers[i+1];
2309 cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size;
2310 cam->buffers[i].status = FRAME_EMPTY;
2311 cam->buffers[i].length = 0;
2312 cam->buffers[i].max_length = 0;
2313 cam->buffers[i].num = i;
2314 }
2315 cam->buffers[i].next = cam->buffers;
2316 cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size;
2317 cam->buffers[i].status = FRAME_EMPTY;
2318 cam->buffers[i].length = 0;
2319 cam->buffers[i].max_length = 0;
2320 cam->buffers[i].num = i;
2321 cam->curbuff = cam->buffers;
2322 cam->workbuff = cam->curbuff->next;
2323 DBG("buffers=%p, curbuff=%p, workbuff=%p\n", cam->buffers, cam->curbuff,
2324 cam->workbuff);
2325 return 0;
2326 }
2327
2328 /******************************************************************************
2329 *
2330 * cpia2_free_buffers
2331 *
2332 *****************************************************************************/
2333 void cpia2_free_buffers(struct camera_data *cam)
2334 {
2335 if(cam->buffers) {
2336 kfree(cam->buffers);
2337 cam->buffers = NULL;
2338 }
2339 if(cam->frame_buffer) {
2340 rvfree(cam->frame_buffer, cam->frame_size*cam->num_frames);
2341 cam->frame_buffer = NULL;
2342 }
2343 }
2344
2345 /******************************************************************************
2346 *
2347 * cpia2_read
2348 *
2349 *****************************************************************************/
2350 long cpia2_read(struct camera_data *cam,
2351 char __user *buf, unsigned long count, int noblock)
2352 {
2353 struct framebuf *frame;
2354 if (!count) {
2355 return 0;
2356 }
2357
2358 if (!buf) {
2359 ERR("%s: buffer NULL\n",__FUNCTION__);
2360 return -EINVAL;
2361 }
2362
2363 if (!cam) {
2364 ERR("%s: Internal error, camera_data NULL!\n",__FUNCTION__);
2365 return -EINVAL;
2366 }
2367
2368 /* make this _really_ smp and multithread-safe */
2369 if (mutex_lock_interruptible(&cam->busy_lock))
2370 return -ERESTARTSYS;
2371
2372 if (!cam->present) {
2373 LOG("%s: camera removed\n",__FUNCTION__);
2374 mutex_unlock(&cam->busy_lock);
2375 return 0; /* EOF */
2376 }
2377
2378 if(!cam->streaming) {
2379 /* Start streaming */
2380 cpia2_usb_stream_start(cam,
2381 cam->params.camera_state.stream_mode);
2382 }
2383
2384 /* Copy cam->curbuff in case it changes while we're processing */
2385 frame = cam->curbuff;
2386 if (noblock && frame->status != FRAME_READY) {
2387 mutex_unlock(&cam->busy_lock);
2388 return -EAGAIN;
2389 }
2390
2391 if(frame->status != FRAME_READY) {
2392 mutex_unlock(&cam->busy_lock);
2393 wait_event_interruptible(cam->wq_stream,
2394 !cam->present ||
2395 (frame = cam->curbuff)->status == FRAME_READY);
2396 if (signal_pending(current))
2397 return -ERESTARTSYS;
2398 /* make this _really_ smp and multithread-safe */
2399 if (mutex_lock_interruptible(&cam->busy_lock)) {
2400 return -ERESTARTSYS;
2401 }
2402 if(!cam->present) {
2403 mutex_unlock(&cam->busy_lock);
2404 return 0;
2405 }
2406 }
2407
2408 /* copy data to user space */
2409 if (frame->length > count) {
2410 mutex_unlock(&cam->busy_lock);
2411 return -EFAULT;
2412 }
2413 if (copy_to_user(buf, frame->data, frame->length)) {
2414 mutex_unlock(&cam->busy_lock);
2415 return -EFAULT;
2416 }
2417
2418 count = frame->length;
2419
2420 frame->status = FRAME_EMPTY;
2421
2422 mutex_unlock(&cam->busy_lock);
2423 return count;
2424 }
2425
2426 /******************************************************************************
2427 *
2428 * cpia2_poll
2429 *
2430 *****************************************************************************/
2431 unsigned int cpia2_poll(struct camera_data *cam, struct file *filp,
2432 poll_table *wait)
2433 {
2434 unsigned int status=0;
2435
2436 if(!cam) {
2437 ERR("%s: Internal error, camera_data not found!\n",__FUNCTION__);
2438 return POLLERR;
2439 }
2440
2441 mutex_lock(&cam->busy_lock);
2442
2443 if(!cam->present) {
2444 mutex_unlock(&cam->busy_lock);
2445 return POLLHUP;
2446 }
2447
2448 if(!cam->streaming) {
2449 /* Start streaming */
2450 cpia2_usb_stream_start(cam,
2451 cam->params.camera_state.stream_mode);
2452 }
2453
2454 mutex_unlock(&cam->busy_lock);
2455 poll_wait(filp, &cam->wq_stream, wait);
2456 mutex_lock(&cam->busy_lock);
2457
2458 if(!cam->present)
2459 status = POLLHUP;
2460 else if(cam->curbuff->status == FRAME_READY)
2461 status = POLLIN | POLLRDNORM;
2462
2463 mutex_unlock(&cam->busy_lock);
2464 return status;
2465 }
2466
2467 /******************************************************************************
2468 *
2469 * cpia2_remap_buffer
2470 *
2471 *****************************************************************************/
2472 int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma)
2473 {
2474 const char *adr = (const char *)vma->vm_start;
2475 unsigned long size = vma->vm_end-vma->vm_start;
2476 unsigned long start_offset = vma->vm_pgoff << PAGE_SHIFT;
2477 unsigned long start = (unsigned long) adr;
2478 unsigned long page, pos;
2479
2480 if (!cam)
2481 return -ENODEV;
2482
2483 DBG("mmap offset:%ld size:%ld\n", start_offset, size);
2484
2485 /* make this _really_ smp-safe */
2486 if (mutex_lock_interruptible(&cam->busy_lock))
2487 return -ERESTARTSYS;
2488
2489 if (!cam->present) {
2490 mutex_unlock(&cam->busy_lock);
2491 return -ENODEV;
2492 }
2493
2494 if (size > cam->frame_size*cam->num_frames ||
2495 (start_offset % cam->frame_size) != 0 ||
2496 (start_offset+size > cam->frame_size*cam->num_frames)) {
2497 mutex_unlock(&cam->busy_lock);
2498 return -EINVAL;
2499 }
2500
2501 pos = ((unsigned long) (cam->frame_buffer)) + start_offset;
2502 while (size > 0) {
2503 page = kvirt_to_pa(pos);
2504 if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, PAGE_SIZE, PAGE_SHARED)) {
2505 mutex_unlock(&cam->busy_lock);
2506 return -EAGAIN;
2507 }
2508 start += PAGE_SIZE;
2509 pos += PAGE_SIZE;
2510 if (size > PAGE_SIZE)
2511 size -= PAGE_SIZE;
2512 else
2513 size = 0;
2514 }
2515
2516 cam->mmapped = true;
2517 mutex_unlock(&cam->busy_lock);
2518 return 0;
2519 }
2520
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