1 /****************************************************************************
3 * Filename: cpia2_core.c
5 * Copyright 2001, STMicrolectronics, Inc.
6 * Contact: steve.miller@st.com
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.
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.
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.
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.
27 * Stripped of 2.4 stuff ready for main kernel submit by
28 * Alan Cox <alan@lxorguk.ukuu.org.uk>
30 ****************************************************************************/
34 #include <linux/module.h>
35 #include <linux/slab.h>
37 #include <linux/vmalloc.h>
38 #include <linux/firmware.h>
40 #define FIRMWARE "/*(DEBLOBBED)*/"
43 /* #define _CPIA2_DEBUG_ */
47 static const char *block_name[] = {
55 static unsigned int debugs_on; /* default 0 - DEBUG_REG */
58 /******************************************************************************
60 * Forward Declarations
62 *****************************************************************************/
63 static int apply_vp_patch(struct camera_data *cam);
64 static int set_default_user_mode(struct camera_data *cam);
65 static int set_vw_size(struct camera_data *cam, int size);
66 static int configure_sensor(struct camera_data *cam,
67 int reqwidth, int reqheight);
68 static int config_sensor_410(struct camera_data *cam,
69 int reqwidth, int reqheight);
70 static int config_sensor_500(struct camera_data *cam,
71 int reqwidth, int reqheight);
72 static int set_all_properties(struct camera_data *cam);
73 static void wake_system(struct camera_data *cam);
74 static void set_lowlight_boost(struct camera_data *cam);
75 static void reset_camera_struct(struct camera_data *cam);
76 static int cpia2_set_high_power(struct camera_data *cam);
78 /* Here we want the physical address of the memory.
79 * This is used when initializing the contents of the
80 * area and marking the pages as reserved.
82 static inline unsigned long kvirt_to_pa(unsigned long adr)
84 unsigned long kva, ret;
86 kva = (unsigned long) page_address(vmalloc_to_page((void *)adr));
87 kva |= adr & (PAGE_SIZE-1); /* restore the offset */
92 static void *rvmalloc(unsigned long size)
97 /* Round it off to PAGE_SIZE */
98 size = PAGE_ALIGN(size);
100 mem = vmalloc_32(size);
104 memset(mem, 0, size); /* Clear the ram out, no junk to the user */
105 adr = (unsigned long) mem;
107 while ((long)size > 0) {
108 SetPageReserved(vmalloc_to_page((void *)adr));
115 static void rvfree(void *mem, unsigned long size)
122 size = PAGE_ALIGN(size);
124 adr = (unsigned long) mem;
125 while ((long)size > 0) {
126 ClearPageReserved(vmalloc_to_page((void *)adr));
133 /******************************************************************************
137 * Send an arbitrary command to the camera. For commands that read from
138 * the camera, copy the buffers into the proper param structures.
139 *****************************************************************************/
140 int cpia2_do_command(struct camera_data *cam,
141 u32 command, u8 direction, u8 param)
144 struct cpia2_command cmd;
145 unsigned int device = cam->params.pnp_id.device_type;
147 cmd.command = command;
148 cmd.reg_count = 2; /* default */
149 cmd.direction = direction;
152 * Set up the command.
155 case CPIA2_CMD_GET_VERSION:
157 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
158 cmd.start = CPIA2_SYSTEM_DEVICE_HI;
160 case CPIA2_CMD_GET_PNP_ID:
162 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
164 cmd.start = CPIA2_SYSTEM_DESCRIP_VID_HI;
166 case CPIA2_CMD_GET_ASIC_TYPE:
167 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
168 cmd.start = CPIA2_VC_ASIC_ID;
170 case CPIA2_CMD_GET_SENSOR:
171 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
172 cmd.start = CPIA2_VP_SENSOR_FLAGS;
174 case CPIA2_CMD_GET_VP_DEVICE:
175 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
176 cmd.start = CPIA2_VP_DEVICEH;
178 case CPIA2_CMD_SET_VP_BRIGHTNESS:
179 cmd.buffer.block_data[0] = param; /* Then fall through */
180 case CPIA2_CMD_GET_VP_BRIGHTNESS:
181 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
183 if (device == DEVICE_STV_672)
184 cmd.start = CPIA2_VP4_EXPOSURE_TARGET;
186 cmd.start = CPIA2_VP5_EXPOSURE_TARGET;
188 case CPIA2_CMD_SET_CONTRAST:
189 cmd.buffer.block_data[0] = param; /* Then fall through */
190 case CPIA2_CMD_GET_CONTRAST:
191 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
193 cmd.start = CPIA2_VP_YRANGE;
195 case CPIA2_CMD_SET_VP_SATURATION:
196 cmd.buffer.block_data[0] = param; /* Then fall through */
197 case CPIA2_CMD_GET_VP_SATURATION:
198 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
200 if (device == DEVICE_STV_672)
201 cmd.start = CPIA2_VP_SATURATION;
203 cmd.start = CPIA2_VP5_MCUVSATURATION;
205 case CPIA2_CMD_SET_VP_GPIO_DATA:
206 cmd.buffer.block_data[0] = param; /* Then fall through */
207 case CPIA2_CMD_GET_VP_GPIO_DATA:
208 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
210 cmd.start = CPIA2_VP_GPIO_DATA;
212 case CPIA2_CMD_SET_VP_GPIO_DIRECTION:
213 cmd.buffer.block_data[0] = param; /* Then fall through */
214 case CPIA2_CMD_GET_VP_GPIO_DIRECTION:
215 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
217 cmd.start = CPIA2_VP_GPIO_DIRECTION;
219 case CPIA2_CMD_SET_VC_MP_GPIO_DATA:
220 cmd.buffer.block_data[0] = param; /* Then fall through */
221 case CPIA2_CMD_GET_VC_MP_GPIO_DATA:
222 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
224 cmd.start = CPIA2_VC_MP_DATA;
226 case CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION:
227 cmd.buffer.block_data[0] = param; /* Then fall through */
228 case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION:
229 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
231 cmd.start = CPIA2_VC_MP_DIR;
233 case CPIA2_CMD_ENABLE_PACKET_CTRL:
235 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
236 cmd.start = CPIA2_SYSTEM_INT_PACKET_CTRL;
238 cmd.buffer.block_data[0] = param;
240 case CPIA2_CMD_SET_FLICKER_MODES:
241 cmd.buffer.block_data[0] = param; /* Then fall through */
242 case CPIA2_CMD_GET_FLICKER_MODES:
243 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
245 cmd.start = CPIA2_VP_FLICKER_MODES;
247 case CPIA2_CMD_RESET_FIFO: /* clear fifo and enable stream block */
248 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
251 cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL;
252 cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC |
253 CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT;
254 cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL;
255 cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC |
256 CPIA2_VC_ST_CTRL_DST_USB |
257 CPIA2_VC_ST_CTRL_EOF_DETECT |
258 CPIA2_VC_ST_CTRL_FIFO_ENABLE;
260 case CPIA2_CMD_SET_HI_POWER:
262 CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM;
264 cmd.buffer.registers[0].index =
265 CPIA2_SYSTEM_SYSTEM_CONTROL;
266 cmd.buffer.registers[1].index =
267 CPIA2_SYSTEM_SYSTEM_CONTROL;
268 cmd.buffer.registers[0].value = CPIA2_SYSTEM_CONTROL_CLEAR_ERR;
269 cmd.buffer.registers[1].value =
270 CPIA2_SYSTEM_CONTROL_HIGH_POWER;
272 case CPIA2_CMD_SET_LOW_POWER:
274 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
276 cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL;
277 cmd.buffer.block_data[0] = 0;
279 case CPIA2_CMD_CLEAR_V2W_ERR:
281 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
283 cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL;
284 cmd.buffer.block_data[0] = CPIA2_SYSTEM_CONTROL_CLEAR_ERR;
286 case CPIA2_CMD_SET_USER_MODE: /* Then fall through */
287 cmd.buffer.block_data[0] = param;
288 case CPIA2_CMD_GET_USER_MODE:
289 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
291 if (device == DEVICE_STV_672)
292 cmd.start = CPIA2_VP4_USER_MODE;
294 cmd.start = CPIA2_VP5_USER_MODE;
296 case CPIA2_CMD_FRAMERATE_REQ:
297 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
299 if (device == DEVICE_STV_672)
300 cmd.start = CPIA2_VP4_FRAMERATE_REQUEST;
302 cmd.start = CPIA2_VP5_FRAMERATE_REQUEST;
303 cmd.buffer.block_data[0] = param;
305 case CPIA2_CMD_SET_WAKEUP:
306 cmd.buffer.block_data[0] = param; /* Then fall through */
307 case CPIA2_CMD_GET_WAKEUP:
308 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
310 cmd.start = CPIA2_VC_WAKEUP;
312 case CPIA2_CMD_SET_PW_CONTROL:
313 cmd.buffer.block_data[0] = param; /* Then fall through */
314 case CPIA2_CMD_GET_PW_CONTROL:
315 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
317 cmd.start = CPIA2_VC_PW_CTRL;
319 case CPIA2_CMD_GET_VP_SYSTEM_STATE:
320 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
322 cmd.start = CPIA2_VP_SYSTEMSTATE;
324 case CPIA2_CMD_SET_SYSTEM_CTRL:
325 cmd.buffer.block_data[0] = param; /* Then fall through */
326 case CPIA2_CMD_GET_SYSTEM_CTRL:
328 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
330 cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL;
332 case CPIA2_CMD_SET_VP_SYSTEM_CTRL:
333 cmd.buffer.block_data[0] = param; /* Then fall through */
334 case CPIA2_CMD_GET_VP_SYSTEM_CTRL:
335 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
337 cmd.start = CPIA2_VP_SYSTEMCTRL;
339 case CPIA2_CMD_SET_VP_EXP_MODES:
340 cmd.buffer.block_data[0] = param; /* Then fall through */
341 case CPIA2_CMD_GET_VP_EXP_MODES:
342 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
344 cmd.start = CPIA2_VP_EXPOSURE_MODES;
346 case CPIA2_CMD_SET_DEVICE_CONFIG:
347 cmd.buffer.block_data[0] = param; /* Then fall through */
348 case CPIA2_CMD_GET_DEVICE_CONFIG:
349 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
351 cmd.start = CPIA2_VP_DEVICE_CONFIG;
353 case CPIA2_CMD_SET_SERIAL_ADDR:
354 cmd.buffer.block_data[0] = param;
356 CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
358 cmd.start = CPIA2_SYSTEM_VP_SERIAL_ADDR;
360 case CPIA2_CMD_SET_SENSOR_CR1:
361 cmd.buffer.block_data[0] = param;
362 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
364 cmd.start = CPIA2_SENSOR_CR1;
366 case CPIA2_CMD_SET_VC_CONTROL:
367 cmd.buffer.block_data[0] = param; /* Then fall through */
368 case CPIA2_CMD_GET_VC_CONTROL:
369 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
371 cmd.start = CPIA2_VC_VC_CTRL;
373 case CPIA2_CMD_SET_TARGET_KB:
374 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
376 cmd.buffer.registers[0].index = CPIA2_VC_VC_TARGET_KB;
377 cmd.buffer.registers[0].value = param;
379 case CPIA2_CMD_SET_DEF_JPEG_OPT:
380 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
382 cmd.buffer.registers[0].index = CPIA2_VC_VC_JPEG_OPT;
383 cmd.buffer.registers[0].value =
384 CPIA2_VC_VC_JPEG_OPT_DOUBLE_SQUEEZE;
385 cmd.buffer.registers[1].index = CPIA2_VC_VC_USER_SQUEEZE;
386 cmd.buffer.registers[1].value = 20;
387 cmd.buffer.registers[2].index = CPIA2_VC_VC_CREEP_PERIOD;
388 cmd.buffer.registers[2].value = 2;
389 cmd.buffer.registers[3].index = CPIA2_VC_VC_JPEG_OPT;
390 cmd.buffer.registers[3].value = CPIA2_VC_VC_JPEG_OPT_DEFAULT;
392 case CPIA2_CMD_REHASH_VP4:
393 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
395 cmd.start = CPIA2_VP_REHASH_VALUES;
396 cmd.buffer.block_data[0] = param;
398 case CPIA2_CMD_SET_USER_EFFECTS: /* Note: Be careful with this as
399 this register can also affect
401 cmd.buffer.block_data[0] = param; /* Then fall through */
402 case CPIA2_CMD_GET_USER_EFFECTS:
403 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
405 if (device == DEVICE_STV_672)
406 cmd.start = CPIA2_VP4_USER_EFFECTS;
408 cmd.start = CPIA2_VP5_USER_EFFECTS;
411 LOG("DoCommand received invalid command\n");
415 retval = cpia2_send_command(cam, &cmd);
421 * Now copy any results from a read into the appropriate param struct.
424 case CPIA2_CMD_GET_VERSION:
425 cam->params.version.firmware_revision_hi =
426 cmd.buffer.block_data[0];
427 cam->params.version.firmware_revision_lo =
428 cmd.buffer.block_data[1];
430 case CPIA2_CMD_GET_PNP_ID:
431 cam->params.pnp_id.vendor = (cmd.buffer.block_data[0] << 8) |
432 cmd.buffer.block_data[1];
433 cam->params.pnp_id.product = (cmd.buffer.block_data[2] << 8) |
434 cmd.buffer.block_data[3];
435 cam->params.pnp_id.device_revision =
436 (cmd.buffer.block_data[4] << 8) |
437 cmd.buffer.block_data[5];
438 if (cam->params.pnp_id.vendor == 0x553) {
439 if (cam->params.pnp_id.product == 0x100) {
440 cam->params.pnp_id.device_type = DEVICE_STV_672;
441 } else if (cam->params.pnp_id.product == 0x140 ||
442 cam->params.pnp_id.product == 0x151) {
443 cam->params.pnp_id.device_type = DEVICE_STV_676;
447 case CPIA2_CMD_GET_ASIC_TYPE:
448 cam->params.version.asic_id = cmd.buffer.block_data[0];
449 cam->params.version.asic_rev = cmd.buffer.block_data[1];
451 case CPIA2_CMD_GET_SENSOR:
452 cam->params.version.sensor_flags = cmd.buffer.block_data[0];
453 cam->params.version.sensor_rev = cmd.buffer.block_data[1];
455 case CPIA2_CMD_GET_VP_DEVICE:
456 cam->params.version.vp_device_hi = cmd.buffer.block_data[0];
457 cam->params.version.vp_device_lo = cmd.buffer.block_data[1];
459 case CPIA2_CMD_GET_VP_GPIO_DATA:
460 cam->params.vp_params.gpio_data = cmd.buffer.block_data[0];
462 case CPIA2_CMD_GET_VP_GPIO_DIRECTION:
463 cam->params.vp_params.gpio_direction = cmd.buffer.block_data[0];
465 case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION:
466 cam->params.vc_params.vc_mp_direction =cmd.buffer.block_data[0];
468 case CPIA2_CMD_GET_VC_MP_GPIO_DATA:
469 cam->params.vc_params.vc_mp_data = cmd.buffer.block_data[0];
471 case CPIA2_CMD_GET_FLICKER_MODES:
472 cam->params.flicker_control.cam_register =
473 cmd.buffer.block_data[0];
475 case CPIA2_CMD_GET_WAKEUP:
476 cam->params.vc_params.wakeup = cmd.buffer.block_data[0];
478 case CPIA2_CMD_GET_PW_CONTROL:
479 cam->params.vc_params.pw_control = cmd.buffer.block_data[0];
481 case CPIA2_CMD_GET_SYSTEM_CTRL:
482 cam->params.camera_state.system_ctrl = cmd.buffer.block_data[0];
484 case CPIA2_CMD_GET_VP_SYSTEM_STATE:
485 cam->params.vp_params.system_state = cmd.buffer.block_data[0];
487 case CPIA2_CMD_GET_VP_SYSTEM_CTRL:
488 cam->params.vp_params.system_ctrl = cmd.buffer.block_data[0];
490 case CPIA2_CMD_GET_VP_EXP_MODES:
491 cam->params.vp_params.exposure_modes = cmd.buffer.block_data[0];
493 case CPIA2_CMD_GET_DEVICE_CONFIG:
494 cam->params.vp_params.device_config = cmd.buffer.block_data[0];
496 case CPIA2_CMD_GET_VC_CONTROL:
497 cam->params.vc_params.vc_control = cmd.buffer.block_data[0];
499 case CPIA2_CMD_GET_USER_MODE:
500 cam->params.vp_params.video_mode = cmd.buffer.block_data[0];
502 case CPIA2_CMD_GET_USER_EFFECTS:
503 cam->params.vp_params.user_effects = cmd.buffer.block_data[0];
511 /******************************************************************************
515 *****************************************************************************/
517 #define DIR(cmd) ((cmd->direction == TRANSFER_WRITE) ? "Write" : "Read")
518 #define BINDEX(cmd) (cmd->req_mode & 0x03)
520 int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd)
527 switch (cmd->req_mode & 0x0c) {
528 case CAMERAACCESS_TYPE_RANDOM:
529 count = cmd->reg_count * sizeof(struct cpia2_register);
531 buffer = (u8 *) & cmd->buffer;
532 if (debugs_on & DEBUG_REG)
533 DBG("%s Random: Register block %s\n", DIR(cmd),
534 block_name[BINDEX(cmd)]);
536 case CAMERAACCESS_TYPE_BLOCK:
537 count = cmd->reg_count;
539 buffer = cmd->buffer.block_data;
540 if (debugs_on & DEBUG_REG)
541 DBG("%s Block: Register block %s\n", DIR(cmd),
542 block_name[BINDEX(cmd)]);
544 case CAMERAACCESS_TYPE_MASK:
545 count = cmd->reg_count * sizeof(struct cpia2_reg_mask);
547 buffer = (u8 *) & cmd->buffer;
548 if (debugs_on & DEBUG_REG)
549 DBG("%s Mask: Register block %s\n", DIR(cmd),
550 block_name[BINDEX(cmd)]);
552 case CAMERAACCESS_TYPE_REPEAT: /* For patch blocks only */
553 count = cmd->reg_count;
555 buffer = cmd->buffer.block_data;
556 if (debugs_on & DEBUG_REG)
557 DBG("%s Repeat: Register block %s\n", DIR(cmd),
558 block_name[BINDEX(cmd)]);
561 LOG("%s: invalid request mode\n",__func__);
565 retval = cpia2_usb_transfer_cmd(cam,
568 start, count, cmd->direction);
570 if (debugs_on & DEBUG_REG) {
572 for (i = 0; i < cmd->reg_count; i++) {
573 if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_BLOCK)
574 KINFO("%s Block: [0x%02X] = 0x%02X\n",
575 DIR(cmd), start + i, buffer[i]);
576 if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_RANDOM)
577 KINFO("%s Random: [0x%02X] = 0x%02X\n",
578 DIR(cmd), cmd->buffer.registers[i].index,
579 cmd->buffer.registers[i].value);
588 * Functions to implement camera functionality
590 /******************************************************************************
592 * cpia2_get_version_info
594 *****************************************************************************/
595 static void cpia2_get_version_info(struct camera_data *cam)
597 cpia2_do_command(cam, CPIA2_CMD_GET_VERSION, TRANSFER_READ, 0);
598 cpia2_do_command(cam, CPIA2_CMD_GET_PNP_ID, TRANSFER_READ, 0);
599 cpia2_do_command(cam, CPIA2_CMD_GET_ASIC_TYPE, TRANSFER_READ, 0);
600 cpia2_do_command(cam, CPIA2_CMD_GET_SENSOR, TRANSFER_READ, 0);
601 cpia2_do_command(cam, CPIA2_CMD_GET_VP_DEVICE, TRANSFER_READ, 0);
604 /******************************************************************************
608 * Called at least during the open process, sets up initial params.
609 *****************************************************************************/
610 int cpia2_reset_camera(struct camera_data *cam)
616 struct cpia2_command cmd;
621 retval = configure_sensor(cam,
622 cam->params.roi.width,
623 cam->params.roi.height);
625 ERR("Couldn't configure sensor, error=%d\n", retval);
629 /* Clear FIFO and route/enable stream block */
630 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
631 cmd.direction = TRANSFER_WRITE;
633 cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL;
634 cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC |
635 CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT;
636 cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL;
637 cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC |
638 CPIA2_VC_ST_CTRL_DST_USB |
639 CPIA2_VC_ST_CTRL_EOF_DETECT | CPIA2_VC_ST_CTRL_FIFO_ENABLE;
641 cpia2_send_command(cam, &cmd);
643 cpia2_set_high_power(cam);
645 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
646 /* Enable button notification */
647 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM;
648 cmd.buffer.registers[0].index = CPIA2_SYSTEM_INT_PACKET_CTRL;
649 cmd.buffer.registers[0].value =
650 CPIA2_SYSTEM_INT_PACKET_CTRL_ENABLE_SW_XX;
652 cpia2_send_command(cam, &cmd);
655 schedule_timeout_interruptible(msecs_to_jiffies(100));
657 if (cam->params.pnp_id.device_type == DEVICE_STV_672)
658 retval = apply_vp_patch(cam);
660 /* wait for vp to go to sleep */
661 schedule_timeout_interruptible(msecs_to_jiffies(100));
664 * If this is a 676, apply VP5 fixes before we start streaming
666 if (cam->params.pnp_id.device_type == DEVICE_STV_676) {
667 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP;
669 /* The following writes improve the picture */
670 cmd.buffer.registers[0].index = CPIA2_VP5_MYBLACK_LEVEL;
671 cmd.buffer.registers[0].value = 0; /* reduce from the default
672 * rec 601 pedestal of 16 */
673 cmd.buffer.registers[1].index = CPIA2_VP5_MCYRANGE;
674 cmd.buffer.registers[1].value = 0x92; /* increase from 100% to
675 * (256/256 - 31) to fill
677 cmd.buffer.registers[2].index = CPIA2_VP5_MYCEILING;
678 cmd.buffer.registers[2].value = 0xFF; /* Increase from the
679 * default rec 601 ceiling
681 cmd.buffer.registers[3].index = CPIA2_VP5_MCUVSATURATION;
682 cmd.buffer.registers[3].value = 0xFF; /* Increase from the rec
683 * 601 100% level (128)
685 cmd.buffer.registers[4].index = CPIA2_VP5_ANTIFLKRSETUP;
686 cmd.buffer.registers[4].value = 0x80; /* Inhibit the
689 /* The following 4 writes are a fix to allow QVGA to work at 30 fps */
690 cmd.buffer.registers[5].index = CPIA2_VP_RAM_ADDR_H;
691 cmd.buffer.registers[5].value = 0x01;
692 cmd.buffer.registers[6].index = CPIA2_VP_RAM_ADDR_L;
693 cmd.buffer.registers[6].value = 0xE3;
694 cmd.buffer.registers[7].index = CPIA2_VP_RAM_DATA;
695 cmd.buffer.registers[7].value = 0x02;
696 cmd.buffer.registers[8].index = CPIA2_VP_RAM_DATA;
697 cmd.buffer.registers[8].value = 0xFC;
699 cmd.direction = TRANSFER_WRITE;
702 cpia2_send_command(cam, &cmd);
705 /* Activate all settings and start the data stream */
707 set_default_user_mode(cam);
709 /* Give VP time to wake up */
710 schedule_timeout_interruptible(msecs_to_jiffies(100));
712 set_all_properties(cam);
714 cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0);
715 DBG("After SetAllProperties(cam), user mode is 0x%0X\n",
716 cam->params.vp_params.video_mode);
719 * Set audio regulator off. This and the code to set the compresison
720 * state are too complex to form a CPIA2_CMD_, and seem to be somewhat
721 * intertwined. This stuff came straight from the windows driver.
723 /* Turn AutoExposure off in VP and enable the serial bridge to the sensor */
724 cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0);
725 tmp_reg = cam->params.vp_params.system_ctrl;
726 cmd.buffer.registers[0].value = tmp_reg &
727 (tmp_reg & (CPIA2_VP_SYSTEMCTRL_HK_CONTROL ^ 0xFF));
729 cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0);
730 cmd.buffer.registers[1].value = cam->params.vp_params.device_config |
731 CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE;
732 cmd.buffer.registers[0].index = CPIA2_VP_SYSTEMCTRL;
733 cmd.buffer.registers[1].index = CPIA2_VP_DEVICE_CONFIG;
734 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP;
736 cmd.direction = TRANSFER_WRITE;
738 cpia2_send_command(cam, &cmd);
740 /* Set the correct I2C address in the CPiA-2 system register */
741 cpia2_do_command(cam,
742 CPIA2_CMD_SET_SERIAL_ADDR,
744 CPIA2_SYSTEM_VP_SERIAL_ADDR_SENSOR);
746 /* Now have sensor access - set bit to turn the audio regulator off */
747 cpia2_do_command(cam,
748 CPIA2_CMD_SET_SENSOR_CR1,
749 TRANSFER_WRITE, CPIA2_SENSOR_CR1_DOWN_AUDIO_REGULATOR);
751 /* Set the correct I2C address in the CPiA-2 system register */
752 if (cam->params.pnp_id.device_type == DEVICE_STV_672)
753 cpia2_do_command(cam,
754 CPIA2_CMD_SET_SERIAL_ADDR,
756 CPIA2_SYSTEM_VP_SERIAL_ADDR_VP); // 0x88
758 cpia2_do_command(cam,
759 CPIA2_CMD_SET_SERIAL_ADDR,
761 CPIA2_SYSTEM_VP_SERIAL_ADDR_676_VP); // 0x8a
763 /* increase signal drive strength */
764 if (cam->params.pnp_id.device_type == DEVICE_STV_676)
765 cpia2_do_command(cam,
766 CPIA2_CMD_SET_VP_EXP_MODES,
768 CPIA2_VP_EXPOSURE_MODES_COMPILE_EXP);
770 /* Start autoexposure */
771 cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0);
772 cmd.buffer.registers[0].value = cam->params.vp_params.device_config &
773 (CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE ^ 0xFF);
775 cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0);
776 cmd.buffer.registers[1].value =
777 cam->params.vp_params.system_ctrl | CPIA2_VP_SYSTEMCTRL_HK_CONTROL;
779 cmd.buffer.registers[0].index = CPIA2_VP_DEVICE_CONFIG;
780 cmd.buffer.registers[1].index = CPIA2_VP_SYSTEMCTRL;
781 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP;
783 cmd.direction = TRANSFER_WRITE;
785 cpia2_send_command(cam, &cmd);
787 /* Set compression state */
788 cpia2_do_command(cam, CPIA2_CMD_GET_VC_CONTROL, TRANSFER_READ, 0);
789 if (cam->params.compression.inhibit_htables) {
790 tmp_reg = cam->params.vc_params.vc_control |
791 CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES;
793 tmp_reg = cam->params.vc_params.vc_control &
794 ~CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES;
796 cpia2_do_command(cam, CPIA2_CMD_SET_VC_CONTROL, TRANSFER_WRITE,tmp_reg);
798 /* Set target size (kb) on vc
799 This is a heuristic based on the quality parameter and the raw
800 framesize in kB divided by 16 (the compression factor when the
802 target_kb = (cam->width * cam->height * 2 / 16384) *
803 cam->params.vc_params.quality / 100;
806 cpia2_do_command(cam, CPIA2_CMD_SET_TARGET_KB,
807 TRANSFER_WRITE, target_kb);
809 /* Wiggle VC Reset */
811 * First read and wait a bit.
813 for (i = 0; i < 50; i++) {
814 cpia2_do_command(cam, CPIA2_CMD_GET_PW_CONTROL,
818 tmp_reg = cam->params.vc_params.pw_control;
819 tmp_reg &= ~CPIA2_VC_PW_CTRL_VC_RESET_N;
821 cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg);
823 tmp_reg |= CPIA2_VC_PW_CTRL_VC_RESET_N;
824 cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg);
826 cpia2_do_command(cam, CPIA2_CMD_SET_DEF_JPEG_OPT, TRANSFER_WRITE, 0);
828 cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0);
829 DBG("After VC RESET, user mode is 0x%0X\n",
830 cam->params.vp_params.video_mode);
835 /******************************************************************************
837 * cpia2_set_high_power
839 *****************************************************************************/
840 static int cpia2_set_high_power(struct camera_data *cam)
843 for (i = 0; i <= 50; i++) {
844 /* Read system status */
845 cpia2_do_command(cam,CPIA2_CMD_GET_SYSTEM_CTRL,TRANSFER_READ,0);
847 /* If there is an error, clear it */
848 if(cam->params.camera_state.system_ctrl &
849 CPIA2_SYSTEM_CONTROL_V2W_ERR)
850 cpia2_do_command(cam, CPIA2_CMD_CLEAR_V2W_ERR,
853 /* Try to set high power mode */
854 cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL,
857 /* Try to read something in VP to check if everything is awake */
858 cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_STATE,
860 if (cam->params.vp_params.system_state &
861 CPIA2_VP_SYSTEMSTATE_HK_ALIVE) {
863 } else if (i == 50) {
864 cam->params.camera_state.power_mode = LO_POWER_MODE;
865 ERR("Camera did not wake up\n");
870 DBG("System now in high power state\n");
871 cam->params.camera_state.power_mode = HI_POWER_MODE;
875 /******************************************************************************
877 * cpia2_set_low_power
879 *****************************************************************************/
880 int cpia2_set_low_power(struct camera_data *cam)
882 cam->params.camera_state.power_mode = LO_POWER_MODE;
883 cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL, TRANSFER_WRITE, 0);
887 /******************************************************************************
891 *****************************************************************************/
892 static int cpia2_send_onebyte_command(struct camera_data *cam,
893 struct cpia2_command *cmd,
896 cmd->buffer.block_data[0] = datum;
899 return cpia2_send_command(cam, cmd);
902 static int apply_vp_patch(struct camera_data *cam)
904 const struct firmware *fw;
905 const char fw_name[] = FIRMWARE;
907 struct cpia2_command cmd;
909 ret = reject_firmware(&fw, fw_name, &cam->dev->dev);
911 printk(KERN_ERR "cpia2: failed to load VP patch \"%s\"\n",
916 cmd.req_mode = CAMERAACCESS_TYPE_REPEAT | CAMERAACCESS_VP;
917 cmd.direction = TRANSFER_WRITE;
919 /* First send the start address... */
920 cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */
921 cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */
923 /* ... followed by the data payload */
924 for (i = 2; i < fw->size; i += 64) {
925 cmd.start = 0x0C; /* Data */
926 cmd.reg_count = min_t(uint, 64, fw->size - i);
927 memcpy(cmd.buffer.block_data, &fw->data[i], cmd.reg_count);
928 cpia2_send_command(cam, &cmd);
931 /* Next send the start address... */
932 cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */
933 cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */
935 /* ... followed by the 'goto' command */
936 cpia2_send_onebyte_command(cam, &cmd, 0x0D, 1);
938 release_firmware(fw);
942 /******************************************************************************
944 * set_default_user_mode
946 *****************************************************************************/
947 static int set_default_user_mode(struct camera_data *cam)
949 unsigned char user_mode;
950 unsigned char frame_rate;
951 int width = cam->params.roi.width;
952 int height = cam->params.roi.height;
954 switch (cam->params.version.sensor_flags) {
955 case CPIA2_VP_SENSOR_FLAGS_404:
956 case CPIA2_VP_SENSOR_FLAGS_407:
957 case CPIA2_VP_SENSOR_FLAGS_409:
958 case CPIA2_VP_SENSOR_FLAGS_410:
959 if ((width > STV_IMAGE_QCIF_COLS)
960 || (height > STV_IMAGE_QCIF_ROWS)) {
961 user_mode = CPIA2_VP_USER_MODE_CIF;
963 user_mode = CPIA2_VP_USER_MODE_QCIFDS;
965 frame_rate = CPIA2_VP_FRAMERATE_30;
967 case CPIA2_VP_SENSOR_FLAGS_500:
968 if ((width > STV_IMAGE_CIF_COLS)
969 || (height > STV_IMAGE_CIF_ROWS)) {
970 user_mode = CPIA2_VP_USER_MODE_VGA;
972 user_mode = CPIA2_VP_USER_MODE_QVGADS;
974 if (cam->params.pnp_id.device_type == DEVICE_STV_672)
975 frame_rate = CPIA2_VP_FRAMERATE_15;
977 frame_rate = CPIA2_VP_FRAMERATE_30;
980 LOG("%s: Invalid sensor flag value 0x%0X\n",__func__,
981 cam->params.version.sensor_flags);
985 DBG("Sensor flag = 0x%0x, user mode = 0x%0x, frame rate = 0x%X\n",
986 cam->params.version.sensor_flags, user_mode, frame_rate);
987 cpia2_do_command(cam, CPIA2_CMD_SET_USER_MODE, TRANSFER_WRITE,
989 if(cam->params.vp_params.frame_rate > 0 &&
990 frame_rate > cam->params.vp_params.frame_rate)
991 frame_rate = cam->params.vp_params.frame_rate;
993 cpia2_set_fps(cam, frame_rate);
995 // if (cam->params.pnp_id.device_type == DEVICE_STV_676)
996 // cpia2_do_command(cam,
997 // CPIA2_CMD_SET_VP_SYSTEM_CTRL,
999 // CPIA2_VP_SYSTEMCTRL_HK_CONTROL |
1000 // CPIA2_VP_SYSTEMCTRL_POWER_CONTROL);
1005 /******************************************************************************
1007 * cpia2_match_video_size
1009 * return the best match, where 'best' is as always
1010 * the largest that is not bigger than what is requested.
1011 *****************************************************************************/
1012 int cpia2_match_video_size(int width, int height)
1014 if (width >= STV_IMAGE_VGA_COLS && height >= STV_IMAGE_VGA_ROWS)
1015 return VIDEOSIZE_VGA;
1017 if (width >= STV_IMAGE_CIF_COLS && height >= STV_IMAGE_CIF_ROWS)
1018 return VIDEOSIZE_CIF;
1020 if (width >= STV_IMAGE_QVGA_COLS && height >= STV_IMAGE_QVGA_ROWS)
1021 return VIDEOSIZE_QVGA;
1023 if (width >= 288 && height >= 216)
1024 return VIDEOSIZE_288_216;
1026 if (width >= 256 && height >= 192)
1027 return VIDEOSIZE_256_192;
1029 if (width >= 224 && height >= 168)
1030 return VIDEOSIZE_224_168;
1032 if (width >= 192 && height >= 144)
1033 return VIDEOSIZE_192_144;
1035 if (width >= STV_IMAGE_QCIF_COLS && height >= STV_IMAGE_QCIF_ROWS)
1036 return VIDEOSIZE_QCIF;
1041 /******************************************************************************
1045 *****************************************************************************/
1046 static int set_vw_size(struct camera_data *cam, int size)
1050 cam->params.vp_params.video_size = size;
1054 DBG("Setting size to VGA\n");
1055 cam->params.roi.width = STV_IMAGE_VGA_COLS;
1056 cam->params.roi.height = STV_IMAGE_VGA_ROWS;
1057 cam->width = STV_IMAGE_VGA_COLS;
1058 cam->height = STV_IMAGE_VGA_ROWS;
1061 DBG("Setting size to CIF\n");
1062 cam->params.roi.width = STV_IMAGE_CIF_COLS;
1063 cam->params.roi.height = STV_IMAGE_CIF_ROWS;
1064 cam->width = STV_IMAGE_CIF_COLS;
1065 cam->height = STV_IMAGE_CIF_ROWS;
1067 case VIDEOSIZE_QVGA:
1068 DBG("Setting size to QVGA\n");
1069 cam->params.roi.width = STV_IMAGE_QVGA_COLS;
1070 cam->params.roi.height = STV_IMAGE_QVGA_ROWS;
1071 cam->width = STV_IMAGE_QVGA_COLS;
1072 cam->height = STV_IMAGE_QVGA_ROWS;
1074 case VIDEOSIZE_288_216:
1075 cam->params.roi.width = 288;
1076 cam->params.roi.height = 216;
1080 case VIDEOSIZE_256_192:
1083 cam->params.roi.width = 256;
1084 cam->params.roi.height = 192;
1086 case VIDEOSIZE_224_168:
1089 cam->params.roi.width = 224;
1090 cam->params.roi.height = 168;
1092 case VIDEOSIZE_192_144:
1095 cam->params.roi.width = 192;
1096 cam->params.roi.height = 144;
1098 case VIDEOSIZE_QCIF:
1099 DBG("Setting size to QCIF\n");
1100 cam->params.roi.width = STV_IMAGE_QCIF_COLS;
1101 cam->params.roi.height = STV_IMAGE_QCIF_ROWS;
1102 cam->width = STV_IMAGE_QCIF_COLS;
1103 cam->height = STV_IMAGE_QCIF_ROWS;
1111 /******************************************************************************
1115 *****************************************************************************/
1116 static int configure_sensor(struct camera_data *cam,
1117 int req_width, int req_height)
1121 switch (cam->params.version.sensor_flags) {
1122 case CPIA2_VP_SENSOR_FLAGS_404:
1123 case CPIA2_VP_SENSOR_FLAGS_407:
1124 case CPIA2_VP_SENSOR_FLAGS_409:
1125 case CPIA2_VP_SENSOR_FLAGS_410:
1126 retval = config_sensor_410(cam, req_width, req_height);
1128 case CPIA2_VP_SENSOR_FLAGS_500:
1129 retval = config_sensor_500(cam, req_width, req_height);
1138 /******************************************************************************
1142 *****************************************************************************/
1143 static int config_sensor_410(struct camera_data *cam,
1144 int req_width, int req_height)
1146 struct cpia2_command cmd;
1150 int width = req_width;
1151 int height = req_height;
1154 * Make sure size doesn't exceed CIF.
1156 if (width > STV_IMAGE_CIF_COLS)
1157 width = STV_IMAGE_CIF_COLS;
1158 if (height > STV_IMAGE_CIF_ROWS)
1159 height = STV_IMAGE_CIF_ROWS;
1161 image_size = cpia2_match_video_size(width, height);
1163 DBG("Config 410: width = %d, height = %d\n", width, height);
1164 DBG("Image size returned is %d\n", image_size);
1165 if (image_size >= 0) {
1166 set_vw_size(cam, image_size);
1167 width = cam->params.roi.width;
1168 height = cam->params.roi.height;
1170 DBG("After set_vw_size(), width = %d, height = %d\n",
1172 if (width <= 176 && height <= 144) {
1173 DBG("image type = VIDEOSIZE_QCIF\n");
1174 image_type = VIDEOSIZE_QCIF;
1176 else if (width <= 320 && height <= 240) {
1177 DBG("image type = VIDEOSIZE_QVGA\n");
1178 image_type = VIDEOSIZE_QVGA;
1181 DBG("image type = VIDEOSIZE_CIF\n");
1182 image_type = VIDEOSIZE_CIF;
1185 ERR("ConfigSensor410 failed\n");
1189 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
1190 cmd.direction = TRANSFER_WRITE;
1193 cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT;
1194 if (image_type == VIDEOSIZE_CIF) {
1195 cmd.buffer.registers[i++].value =
1196 (u8) (CPIA2_VC_VC_FORMAT_UFIRST |
1197 CPIA2_VC_VC_FORMAT_SHORTLINE);
1199 cmd.buffer.registers[i++].value =
1200 (u8) CPIA2_VC_VC_FORMAT_UFIRST;
1204 cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS;
1205 if (image_type == VIDEOSIZE_QCIF) {
1206 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
1207 cmd.buffer.registers[i++].value=
1208 (u8)(CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 |
1209 CPIA2_VC_VC_672_CLOCKS_SCALING |
1210 CPIA2_VC_VC_CLOCKS_LOGDIV2);
1211 DBG("VC_Clocks (0xc4) should be B\n");
1214 cmd.buffer.registers[i++].value=
1215 (u8)(CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 |
1216 CPIA2_VC_VC_CLOCKS_LOGDIV2);
1219 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
1220 cmd.buffer.registers[i++].value =
1221 (u8) (CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 |
1222 CPIA2_VC_VC_CLOCKS_LOGDIV0);
1225 cmd.buffer.registers[i++].value =
1226 (u8) (CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 |
1227 CPIA2_VC_VC_676_CLOCKS_SCALING |
1228 CPIA2_VC_VC_CLOCKS_LOGDIV0);
1231 DBG("VC_Clocks (0xc4) = 0x%0X\n", cmd.buffer.registers[i-1].value);
1233 /* Input reqWidth from VC */
1234 cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO;
1235 if (image_type == VIDEOSIZE_QCIF)
1236 cmd.buffer.registers[i++].value =
1237 (u8) (STV_IMAGE_QCIF_COLS / 4);
1239 cmd.buffer.registers[i++].value =
1240 (u8) (STV_IMAGE_CIF_COLS / 4);
1243 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI;
1244 if (image_type == VIDEOSIZE_QCIF)
1245 cmd.buffer.registers[i++].value = (u8) 0;
1247 cmd.buffer.registers[i++].value = (u8) 1;
1249 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO;
1250 if (image_type == VIDEOSIZE_QCIF)
1251 cmd.buffer.registers[i++].value = (u8) 208;
1253 cmd.buffer.registers[i++].value = (u8) 160;
1255 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI;
1256 if (image_type == VIDEOSIZE_QCIF)
1257 cmd.buffer.registers[i++].value = (u8) 0;
1259 cmd.buffer.registers[i++].value = (u8) 1;
1261 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO;
1262 if (image_type == VIDEOSIZE_QCIF)
1263 cmd.buffer.registers[i++].value = (u8) 160;
1265 cmd.buffer.registers[i++].value = (u8) 64;
1267 /* Output Image Size */
1268 cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE;
1269 cmd.buffer.registers[i++].value = cam->params.roi.width / 4;
1271 cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE;
1272 cmd.buffer.registers[i++].value = cam->params.roi.height / 4;
1275 cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP;
1276 if (image_type == VIDEOSIZE_QCIF)
1277 cmd.buffer.registers[i++].value =
1278 (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2);
1280 cmd.buffer.registers[i++].value =
1281 (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2);
1283 cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP;
1284 if (image_type == VIDEOSIZE_QCIF)
1285 cmd.buffer.registers[i++].value =
1286 (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2);
1288 cmd.buffer.registers[i++].value =
1289 (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2);
1291 /* Scaling registers (defaults) */
1292 cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE;
1293 cmd.buffer.registers[i++].value = (u8) 0;
1295 cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE;
1296 cmd.buffer.registers[i++].value = (u8) 0;
1298 cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN;
1299 cmd.buffer.registers[i++].value = (u8) 31;
1301 cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN;
1302 cmd.buffer.registers[i++].value = (u8) 31;
1304 cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP;
1305 cmd.buffer.registers[i++].value = (u8) 0;
1307 cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP;
1308 cmd.buffer.registers[i++].value = (u8) 0;
1310 cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT;
1311 cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */
1313 cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT;
1314 cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */
1318 cpia2_send_command(cam, &cmd);
1324 /******************************************************************************
1326 * config_sensor_500(cam)
1328 *****************************************************************************/
1329 static int config_sensor_500(struct camera_data *cam,
1330 int req_width, int req_height)
1332 struct cpia2_command cmd;
1334 int image_size = VIDEOSIZE_CIF;
1335 int image_type = VIDEOSIZE_VGA;
1336 int width = req_width;
1337 int height = req_height;
1338 unsigned int device = cam->params.pnp_id.device_type;
1340 image_size = cpia2_match_video_size(width, height);
1342 if (width > STV_IMAGE_CIF_COLS || height > STV_IMAGE_CIF_ROWS)
1343 image_type = VIDEOSIZE_VGA;
1344 else if (width > STV_IMAGE_QVGA_COLS || height > STV_IMAGE_QVGA_ROWS)
1345 image_type = VIDEOSIZE_CIF;
1346 else if (width > STV_IMAGE_QCIF_COLS || height > STV_IMAGE_QCIF_ROWS)
1347 image_type = VIDEOSIZE_QVGA;
1349 image_type = VIDEOSIZE_QCIF;
1351 if (image_size >= 0) {
1352 set_vw_size(cam, image_size);
1353 width = cam->params.roi.width;
1354 height = cam->params.roi.height;
1356 ERR("ConfigSensor500 failed\n");
1360 DBG("image_size = %d, width = %d, height = %d, type = %d\n",
1361 image_size, width, height, image_type);
1363 cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC;
1364 cmd.direction = TRANSFER_WRITE;
1368 cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT;
1369 cmd.buffer.registers[i].value = (u8) CPIA2_VC_VC_FORMAT_UFIRST;
1370 if (image_type == VIDEOSIZE_QCIF)
1371 cmd.buffer.registers[i].value |= (u8) CPIA2_VC_VC_FORMAT_DECIMATING;
1375 cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS;
1376 if (device == DEVICE_STV_672) {
1377 if (image_type == VIDEOSIZE_VGA)
1378 cmd.buffer.registers[i].value =
1379 (u8)CPIA2_VC_VC_CLOCKS_LOGDIV1;
1381 cmd.buffer.registers[i].value =
1382 (u8)(CPIA2_VC_VC_672_CLOCKS_SCALING |
1383 CPIA2_VC_VC_CLOCKS_LOGDIV3);
1385 if (image_type == VIDEOSIZE_VGA)
1386 cmd.buffer.registers[i].value =
1387 (u8)CPIA2_VC_VC_CLOCKS_LOGDIV0;
1389 cmd.buffer.registers[i].value =
1390 (u8)(CPIA2_VC_VC_676_CLOCKS_SCALING |
1391 CPIA2_VC_VC_CLOCKS_LOGDIV2);
1395 DBG("VC_CLOCKS = 0x%X\n", cmd.buffer.registers[i-1].value);
1397 /* Input width from VP */
1398 cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO;
1399 if (image_type == VIDEOSIZE_VGA)
1400 cmd.buffer.registers[i].value =
1401 (u8) (STV_IMAGE_VGA_COLS / 4);
1403 cmd.buffer.registers[i].value =
1404 (u8) (STV_IMAGE_QVGA_COLS / 4);
1406 DBG("Input width = %d\n", cmd.buffer.registers[i-1].value);
1409 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI;
1410 if (image_type == VIDEOSIZE_VGA)
1411 cmd.buffer.registers[i++].value = (u8) 2;
1413 cmd.buffer.registers[i++].value = (u8) 1;
1415 cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO;
1416 if (image_type == VIDEOSIZE_VGA)
1417 cmd.buffer.registers[i++].value = (u8) 250;
1418 else if (image_type == VIDEOSIZE_QVGA)
1419 cmd.buffer.registers[i++].value = (u8) 125;
1421 cmd.buffer.registers[i++].value = (u8) 160;
1423 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI;
1424 if (image_type == VIDEOSIZE_VGA)
1425 cmd.buffer.registers[i++].value = (u8) 2;
1427 cmd.buffer.registers[i++].value = (u8) 1;
1429 cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO;
1430 if (image_type == VIDEOSIZE_VGA)
1431 cmd.buffer.registers[i++].value = (u8) 12;
1432 else if (image_type == VIDEOSIZE_QVGA)
1433 cmd.buffer.registers[i++].value = (u8) 64;
1435 cmd.buffer.registers[i++].value = (u8) 6;
1437 /* Output Image Size */
1438 cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE;
1439 if (image_type == VIDEOSIZE_QCIF)
1440 cmd.buffer.registers[i++].value = STV_IMAGE_CIF_COLS / 4;
1442 cmd.buffer.registers[i++].value = width / 4;
1444 cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE;
1445 if (image_type == VIDEOSIZE_QCIF)
1446 cmd.buffer.registers[i++].value = STV_IMAGE_CIF_ROWS / 4;
1448 cmd.buffer.registers[i++].value = height / 4;
1451 cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP;
1452 if (image_type == VIDEOSIZE_VGA)
1453 cmd.buffer.registers[i++].value =
1454 (u8) (((STV_IMAGE_VGA_COLS / 4) - (width / 4)) / 2);
1455 else if (image_type == VIDEOSIZE_QVGA)
1456 cmd.buffer.registers[i++].value =
1457 (u8) (((STV_IMAGE_QVGA_COLS / 4) - (width / 4)) / 2);
1458 else if (image_type == VIDEOSIZE_CIF)
1459 cmd.buffer.registers[i++].value =
1460 (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2);
1461 else /*if (image_type == VIDEOSIZE_QCIF)*/
1462 cmd.buffer.registers[i++].value =
1463 (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2);
1465 cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP;
1466 if (image_type == VIDEOSIZE_VGA)
1467 cmd.buffer.registers[i++].value =
1468 (u8) (((STV_IMAGE_VGA_ROWS / 4) - (height / 4)) / 2);
1469 else if (image_type == VIDEOSIZE_QVGA)
1470 cmd.buffer.registers[i++].value =
1471 (u8) (((STV_IMAGE_QVGA_ROWS / 4) - (height / 4)) / 2);
1472 else if (image_type == VIDEOSIZE_CIF)
1473 cmd.buffer.registers[i++].value =
1474 (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2);
1475 else /*if (image_type == VIDEOSIZE_QCIF)*/
1476 cmd.buffer.registers[i++].value =
1477 (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2);
1479 /* Scaling registers (defaults) */
1480 cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE;
1481 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1482 cmd.buffer.registers[i++].value = (u8) 36;
1484 cmd.buffer.registers[i++].value = (u8) 0;
1486 cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE;
1487 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1488 cmd.buffer.registers[i++].value = (u8) 32;
1490 cmd.buffer.registers[i++].value = (u8) 0;
1492 cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN;
1493 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1494 cmd.buffer.registers[i++].value = (u8) 26;
1496 cmd.buffer.registers[i++].value = (u8) 31;
1498 cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN;
1499 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1500 cmd.buffer.registers[i++].value = (u8) 21;
1502 cmd.buffer.registers[i++].value = (u8) 31;
1504 cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP;
1505 cmd.buffer.registers[i++].value = (u8) 0;
1507 cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP;
1508 cmd.buffer.registers[i++].value = (u8) 0;
1510 cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT;
1511 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1512 cmd.buffer.registers[i++].value = (u8) 0x2B; /* 2/11 */
1514 cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */
1516 cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT;
1517 if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF)
1518 cmd.buffer.registers[i++].value = (u8) 0x13; /* 1/3 */
1520 cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */
1524 cpia2_send_command(cam, &cmd);
1530 /******************************************************************************
1534 * This sets all user changeable properties to the values in cam->params.
1535 *****************************************************************************/
1536 static int set_all_properties(struct camera_data *cam)
1539 * Don't set target_kb here, it will be set later.
1540 * framerate and user_mode were already set (set_default_user_mode).
1543 cpia2_usb_change_streaming_alternate(cam,
1544 cam->params.camera_state.stream_mode);
1546 cpia2_do_command(cam,
1547 CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION,
1548 TRANSFER_WRITE, cam->params.vp_params.gpio_direction);
1549 cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA, TRANSFER_WRITE,
1550 cam->params.vp_params.gpio_data);
1552 v4l2_ctrl_handler_setup(&cam->hdl);
1556 set_lowlight_boost(cam);
1561 /******************************************************************************
1563 * cpia2_save_camera_state
1565 *****************************************************************************/
1566 void cpia2_save_camera_state(struct camera_data *cam)
1568 cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0);
1569 cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION, TRANSFER_READ,
1571 cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DATA, TRANSFER_READ, 0);
1572 /* Don't get framerate or target_kb. Trust the values we already have */
1576 /******************************************************************************
1578 * cpia2_set_flicker_mode
1580 *****************************************************************************/
1581 int cpia2_set_flicker_mode(struct camera_data *cam, int mode)
1583 unsigned char cam_reg;
1586 if(cam->params.pnp_id.device_type != DEVICE_STV_672)
1589 /* Set the appropriate bits in FLICKER_MODES, preserving the rest */
1590 if((err = cpia2_do_command(cam, CPIA2_CMD_GET_FLICKER_MODES,
1593 cam_reg = cam->params.flicker_control.cam_register;
1597 cam_reg |= CPIA2_VP_FLICKER_MODES_NEVER_FLICKER;
1598 cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ;
1601 cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER;
1602 cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ;
1605 cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER;
1606 cam_reg |= CPIA2_VP_FLICKER_MODES_50HZ;
1612 if((err = cpia2_do_command(cam, CPIA2_CMD_SET_FLICKER_MODES,
1613 TRANSFER_WRITE, cam_reg)))
1616 /* Set the appropriate bits in EXP_MODES, preserving the rest */
1617 if((err = cpia2_do_command(cam, CPIA2_CMD_GET_VP_EXP_MODES,
1620 cam_reg = cam->params.vp_params.exposure_modes;
1622 if (mode == NEVER_FLICKER) {
1623 cam_reg |= CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER;
1625 cam_reg &= ~CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER;
1628 if((err = cpia2_do_command(cam, CPIA2_CMD_SET_VP_EXP_MODES,
1629 TRANSFER_WRITE, cam_reg)))
1632 if((err = cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4,
1633 TRANSFER_WRITE, 1)))
1640 cam->params.flicker_control.flicker_mode_req = mode;
1649 /******************************************************************************
1651 * cpia2_set_property_flip
1653 *****************************************************************************/
1654 void cpia2_set_property_flip(struct camera_data *cam, int prop_val)
1656 unsigned char cam_reg;
1658 cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0);
1659 cam_reg = cam->params.vp_params.user_effects;
1663 cam_reg |= CPIA2_VP_USER_EFFECTS_FLIP;
1667 cam_reg &= ~CPIA2_VP_USER_EFFECTS_FLIP;
1669 cam->params.vp_params.user_effects = cam_reg;
1670 cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE,
1674 /******************************************************************************
1676 * cpia2_set_property_mirror
1678 *****************************************************************************/
1679 void cpia2_set_property_mirror(struct camera_data *cam, int prop_val)
1681 unsigned char cam_reg;
1683 cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0);
1684 cam_reg = cam->params.vp_params.user_effects;
1688 cam_reg |= CPIA2_VP_USER_EFFECTS_MIRROR;
1692 cam_reg &= ~CPIA2_VP_USER_EFFECTS_MIRROR;
1694 cam->params.vp_params.user_effects = cam_reg;
1695 cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE,
1699 /******************************************************************************
1703 *****************************************************************************/
1704 int cpia2_set_gpio(struct camera_data *cam, unsigned char setting)
1708 /* Set the microport direction (register 0x90, should be defined
1709 * already) to 1 (user output), and set the microport data (0x91) to
1710 * the value in the ioctl argument.
1713 ret = cpia2_do_command(cam,
1714 CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION,
1715 CPIA2_VC_MP_DIR_OUTPUT,
1719 cam->params.vp_params.gpio_direction = 255;
1721 ret = cpia2_do_command(cam,
1722 CPIA2_CMD_SET_VC_MP_GPIO_DATA,
1723 CPIA2_VC_MP_DIR_OUTPUT,
1727 cam->params.vp_params.gpio_data = setting;
1732 /******************************************************************************
1736 *****************************************************************************/
1737 int cpia2_set_fps(struct camera_data *cam, int framerate)
1742 case CPIA2_VP_FRAMERATE_30:
1743 case CPIA2_VP_FRAMERATE_25:
1744 if(cam->params.pnp_id.device_type == DEVICE_STV_672 &&
1745 cam->params.version.sensor_flags ==
1746 CPIA2_VP_SENSOR_FLAGS_500) {
1750 case CPIA2_VP_FRAMERATE_15:
1751 case CPIA2_VP_FRAMERATE_12_5:
1752 case CPIA2_VP_FRAMERATE_7_5:
1753 case CPIA2_VP_FRAMERATE_6_25:
1759 if (cam->params.pnp_id.device_type == DEVICE_STV_672 &&
1760 framerate == CPIA2_VP_FRAMERATE_15)
1761 framerate = 0; /* Work around bug in VP4 */
1763 retval = cpia2_do_command(cam,
1764 CPIA2_CMD_FRAMERATE_REQ,
1769 cam->params.vp_params.frame_rate = framerate;
1774 /******************************************************************************
1776 * cpia2_set_brightness
1778 *****************************************************************************/
1779 void cpia2_set_brightness(struct camera_data *cam, unsigned char value)
1782 * Don't let the register be set to zero - bug in VP4 - flash of full
1785 if (cam->params.pnp_id.device_type == DEVICE_STV_672 && value == 0)
1787 DBG("Setting brightness to %d (0x%0x)\n", value, value);
1788 cpia2_do_command(cam, CPIA2_CMD_SET_VP_BRIGHTNESS, TRANSFER_WRITE, value);
1791 /******************************************************************************
1793 * cpia2_set_contrast
1795 *****************************************************************************/
1796 void cpia2_set_contrast(struct camera_data *cam, unsigned char value)
1798 DBG("Setting contrast to %d (0x%0x)\n", value, value);
1799 cpia2_do_command(cam, CPIA2_CMD_SET_CONTRAST, TRANSFER_WRITE, value);
1802 /******************************************************************************
1804 * cpia2_set_saturation
1806 *****************************************************************************/
1807 void cpia2_set_saturation(struct camera_data *cam, unsigned char value)
1809 DBG("Setting saturation to %d (0x%0x)\n", value, value);
1810 cpia2_do_command(cam,CPIA2_CMD_SET_VP_SATURATION, TRANSFER_WRITE,value);
1813 /******************************************************************************
1817 *****************************************************************************/
1818 static void wake_system(struct camera_data *cam)
1820 cpia2_do_command(cam, CPIA2_CMD_SET_WAKEUP, TRANSFER_WRITE, 0);
1823 /******************************************************************************
1825 * set_lowlight_boost
1827 * Valid for STV500 sensor only
1828 *****************************************************************************/
1829 static void set_lowlight_boost(struct camera_data *cam)
1831 struct cpia2_command cmd;
1833 if (cam->params.pnp_id.device_type != DEVICE_STV_672 ||
1834 cam->params.version.sensor_flags != CPIA2_VP_SENSOR_FLAGS_500)
1837 cmd.direction = TRANSFER_WRITE;
1838 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
1840 cmd.start = CPIA2_VP_RAM_ADDR_H;
1842 cmd.buffer.block_data[0] = 0; /* High byte of address to write to */
1843 cmd.buffer.block_data[1] = 0x59; /* Low byte of address to write to */
1844 cmd.buffer.block_data[2] = 0; /* High byte of data to write */
1846 cpia2_send_command(cam, &cmd);
1848 if (cam->params.vp_params.lowlight_boost) {
1849 cmd.buffer.block_data[0] = 0x02; /* Low byte data to write */
1851 cmd.buffer.block_data[0] = 0x06;
1853 cmd.start = CPIA2_VP_RAM_DATA;
1855 cpia2_send_command(cam, &cmd);
1857 /* Rehash the VP4 values */
1858 cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4, TRANSFER_WRITE, 1);
1861 /******************************************************************************
1865 * Assumes that new size is already set in param struct.
1866 *****************************************************************************/
1867 void cpia2_set_format(struct camera_data *cam)
1871 cpia2_usb_stream_pause(cam);
1873 /* reset camera to new size */
1874 cpia2_set_low_power(cam);
1875 cpia2_reset_camera(cam);
1878 cpia2_dbg_dump_registers(cam);
1880 cpia2_usb_stream_resume(cam);
1883 /******************************************************************************
1885 * cpia2_dbg_dump_registers
1887 *****************************************************************************/
1888 void cpia2_dbg_dump_registers(struct camera_data *cam)
1890 #ifdef _CPIA2_DEBUG_
1891 struct cpia2_command cmd;
1893 if (!(debugs_on & DEBUG_DUMP_REGS))
1896 cmd.direction = TRANSFER_READ;
1898 /* Start with bank 0 (SYSTEM) */
1899 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM;
1902 cpia2_send_command(cam, &cmd);
1903 printk(KERN_DEBUG "System Device Hi = 0x%X\n",
1904 cmd.buffer.block_data[0]);
1905 printk(KERN_DEBUG "System Device Lo = 0x%X\n",
1906 cmd.buffer.block_data[1]);
1907 printk(KERN_DEBUG "System_system control = 0x%X\n",
1908 cmd.buffer.block_data[2]);
1911 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC;
1914 cpia2_send_command(cam, &cmd);
1915 printk(KERN_DEBUG "ASIC_ID = 0x%X\n",
1916 cmd.buffer.block_data[0]);
1917 printk(KERN_DEBUG "ASIC_REV = 0x%X\n",
1918 cmd.buffer.block_data[1]);
1919 printk(KERN_DEBUG "PW_CONTRL = 0x%X\n",
1920 cmd.buffer.block_data[2]);
1921 printk(KERN_DEBUG "WAKEUP = 0x%X\n",
1922 cmd.buffer.block_data[3]);
1924 cmd.start = 0xA0; /* ST_CTRL */
1926 cpia2_send_command(cam, &cmd);
1927 printk(KERN_DEBUG "Stream ctrl = 0x%X\n",
1928 cmd.buffer.block_data[0]);
1930 cmd.start = 0xA4; /* Stream status */
1931 cpia2_send_command(cam, &cmd);
1932 printk(KERN_DEBUG "Stream status = 0x%X\n",
1933 cmd.buffer.block_data[0]);
1935 cmd.start = 0xA8; /* USB status */
1937 cpia2_send_command(cam, &cmd);
1938 printk(KERN_DEBUG "USB_CTRL = 0x%X\n",
1939 cmd.buffer.block_data[0]);
1940 printk(KERN_DEBUG "USB_STRM = 0x%X\n",
1941 cmd.buffer.block_data[1]);
1942 printk(KERN_DEBUG "USB_STATUS = 0x%X\n",
1943 cmd.buffer.block_data[2]);
1945 cmd.start = 0xAF; /* USB settings */
1947 cpia2_send_command(cam, &cmd);
1948 printk(KERN_DEBUG "USB settings = 0x%X\n",
1949 cmd.buffer.block_data[0]);
1951 cmd.start = 0xC0; /* VC stuff */
1953 cpia2_send_command(cam, &cmd);
1954 printk(KERN_DEBUG "VC Control = 0x%0X\n",
1955 cmd.buffer.block_data[0]);
1956 printk(KERN_DEBUG "VC Format = 0x%0X\n",
1957 cmd.buffer.block_data[3]);
1958 printk(KERN_DEBUG "VC Clocks = 0x%0X\n",
1959 cmd.buffer.block_data[4]);
1960 printk(KERN_DEBUG "VC IHSize = 0x%0X\n",
1961 cmd.buffer.block_data[5]);
1962 printk(KERN_DEBUG "VC Xlim Hi = 0x%0X\n",
1963 cmd.buffer.block_data[6]);
1964 printk(KERN_DEBUG "VC XLim Lo = 0x%0X\n",
1965 cmd.buffer.block_data[7]);
1966 printk(KERN_DEBUG "VC YLim Hi = 0x%0X\n",
1967 cmd.buffer.block_data[8]);
1968 printk(KERN_DEBUG "VC YLim Lo = 0x%0X\n",
1969 cmd.buffer.block_data[9]);
1970 printk(KERN_DEBUG "VC OHSize = 0x%0X\n",
1971 cmd.buffer.block_data[10]);
1972 printk(KERN_DEBUG "VC OVSize = 0x%0X\n",
1973 cmd.buffer.block_data[11]);
1974 printk(KERN_DEBUG "VC HCrop = 0x%0X\n",
1975 cmd.buffer.block_data[12]);
1976 printk(KERN_DEBUG "VC VCrop = 0x%0X\n",
1977 cmd.buffer.block_data[13]);
1978 printk(KERN_DEBUG "VC HPhase = 0x%0X\n",
1979 cmd.buffer.block_data[14]);
1980 printk(KERN_DEBUG "VC VPhase = 0x%0X\n",
1981 cmd.buffer.block_data[15]);
1982 printk(KERN_DEBUG "VC HIspan = 0x%0X\n",
1983 cmd.buffer.block_data[16]);
1984 printk(KERN_DEBUG "VC VIspan = 0x%0X\n",
1985 cmd.buffer.block_data[17]);
1986 printk(KERN_DEBUG "VC HiCrop = 0x%0X\n",
1987 cmd.buffer.block_data[18]);
1988 printk(KERN_DEBUG "VC ViCrop = 0x%0X\n",
1989 cmd.buffer.block_data[19]);
1990 printk(KERN_DEBUG "VC HiFract = 0x%0X\n",
1991 cmd.buffer.block_data[20]);
1992 printk(KERN_DEBUG "VC ViFract = 0x%0X\n",
1993 cmd.buffer.block_data[21]);
1994 printk(KERN_DEBUG "VC JPeg Opt = 0x%0X\n",
1995 cmd.buffer.block_data[22]);
1996 printk(KERN_DEBUG "VC Creep Per = 0x%0X\n",
1997 cmd.buffer.block_data[23]);
1998 printk(KERN_DEBUG "VC User Sq. = 0x%0X\n",
1999 cmd.buffer.block_data[24]);
2000 printk(KERN_DEBUG "VC Target KB = 0x%0X\n",
2001 cmd.buffer.block_data[25]);
2004 cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP;
2007 cpia2_send_command(cam, &cmd);
2009 printk(KERN_DEBUG "VP Dev Hi = 0x%0X\n",
2010 cmd.buffer.block_data[0]);
2011 printk(KERN_DEBUG "VP Dev Lo = 0x%0X\n",
2012 cmd.buffer.block_data[1]);
2013 printk(KERN_DEBUG "VP Sys State = 0x%0X\n",
2014 cmd.buffer.block_data[2]);
2015 printk(KERN_DEBUG "VP Sys Ctrl = 0x%0X\n",
2016 cmd.buffer.block_data[3]);
2017 printk(KERN_DEBUG "VP Sensor flg = 0x%0X\n",
2018 cmd.buffer.block_data[5]);
2019 printk(KERN_DEBUG "VP Sensor Rev = 0x%0X\n",
2020 cmd.buffer.block_data[6]);
2021 printk(KERN_DEBUG "VP Dev Config = 0x%0X\n",
2022 cmd.buffer.block_data[7]);
2023 printk(KERN_DEBUG "VP GPIO_DIR = 0x%0X\n",
2024 cmd.buffer.block_data[8]);
2025 printk(KERN_DEBUG "VP GPIO_DATA = 0x%0X\n",
2026 cmd.buffer.block_data[9]);
2027 printk(KERN_DEBUG "VP Ram ADDR H = 0x%0X\n",
2028 cmd.buffer.block_data[10]);
2029 printk(KERN_DEBUG "VP Ram ADDR L = 0x%0X\n",
2030 cmd.buffer.block_data[11]);
2031 printk(KERN_DEBUG "VP RAM Data = 0x%0X\n",
2032 cmd.buffer.block_data[12]);
2033 printk(KERN_DEBUG "Do Call = 0x%0X\n",
2034 cmd.buffer.block_data[13]);
2036 if (cam->params.pnp_id.device_type == DEVICE_STV_672) {
2039 cpia2_send_command(cam, &cmd);
2040 printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n",
2041 cmd.buffer.block_data[0]);
2042 printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n",
2043 cmd.buffer.block_data[1]);
2044 printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n",
2045 cmd.buffer.block_data[2]);
2046 printk(KERN_DEBUG "VP Framerate = 0x%0X\n",
2047 cmd.buffer.block_data[3]);
2048 printk(KERN_DEBUG "VP UserEffect = 0x%0X\n",
2049 cmd.buffer.block_data[4]);
2050 printk(KERN_DEBUG "VP White Bal = 0x%0X\n",
2051 cmd.buffer.block_data[5]);
2052 printk(KERN_DEBUG "VP WB thresh = 0x%0X\n",
2053 cmd.buffer.block_data[6]);
2054 printk(KERN_DEBUG "VP Exp Modes = 0x%0X\n",
2055 cmd.buffer.block_data[7]);
2056 printk(KERN_DEBUG "VP Exp Target = 0x%0X\n",
2057 cmd.buffer.block_data[8]);
2061 cpia2_send_command(cam, &cmd);
2062 printk(KERN_DEBUG "VP FlickerMds = 0x%0X\n",
2063 cmd.buffer.block_data[0]);
2067 cpia2_send_command(cam, &cmd);
2068 printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n",
2069 cmd.buffer.block_data[0]);
2070 printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n",
2071 cmd.buffer.block_data[1]);
2072 printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n",
2073 cmd.buffer.block_data[5]);
2074 printk(KERN_DEBUG "VP Framerate = 0x%0X\n",
2075 cmd.buffer.block_data[6]);
2076 printk(KERN_DEBUG "VP UserEffect = 0x%0X\n",
2077 cmd.buffer.block_data[7]);
2080 cmd.start = CPIA2_VP5_EXPOSURE_TARGET;
2081 cpia2_send_command(cam, &cmd);
2082 printk(KERN_DEBUG "VP5 Exp Target= 0x%0X\n",
2083 cmd.buffer.block_data[0]);
2087 cpia2_send_command(cam, &cmd);
2088 printk(KERN_DEBUG "VP5 MY Black = 0x%0X\n",
2089 cmd.buffer.block_data[0]);
2090 printk(KERN_DEBUG "VP5 MCY Range = 0x%0X\n",
2091 cmd.buffer.block_data[1]);
2092 printk(KERN_DEBUG "VP5 MYCEILING = 0x%0X\n",
2093 cmd.buffer.block_data[2]);
2094 printk(KERN_DEBUG "VP5 MCUV Sat = 0x%0X\n",
2095 cmd.buffer.block_data[3]);
2100 /******************************************************************************
2102 * reset_camera_struct
2104 * Sets all values to the defaults
2105 *****************************************************************************/
2106 static void reset_camera_struct(struct camera_data *cam)
2109 * The following parameter values are the defaults from the register map.
2111 cam->params.vp_params.lowlight_boost = 0;
2114 cam->params.flicker_control.flicker_mode_req = NEVER_FLICKER;
2117 cam->params.compression.jpeg_options = CPIA2_VC_VC_JPEG_OPT_DEFAULT;
2118 cam->params.compression.creep_period = 2;
2119 cam->params.compression.user_squeeze = 20;
2120 cam->params.compression.inhibit_htables = false;
2123 cam->params.vp_params.gpio_direction = 0; /* write, the default safe mode */
2124 cam->params.vp_params.gpio_data = 0;
2126 /* Target kb params */
2127 cam->params.vc_params.quality = 100;
2130 * Set Sensor FPS as fast as possible.
2132 if(cam->params.pnp_id.device_type == DEVICE_STV_672) {
2133 if(cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500)
2134 cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_15;
2136 cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30;
2138 cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30;
2142 * Set default video mode as large as possible :
2143 * for vga sensor set to vga, for cif sensor set to CIF.
2145 if (cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500) {
2146 cam->sensor_type = CPIA2_SENSOR_500;
2147 cam->video_size = VIDEOSIZE_VGA;
2148 cam->params.roi.width = STV_IMAGE_VGA_COLS;
2149 cam->params.roi.height = STV_IMAGE_VGA_ROWS;
2151 cam->sensor_type = CPIA2_SENSOR_410;
2152 cam->video_size = VIDEOSIZE_CIF;
2153 cam->params.roi.width = STV_IMAGE_CIF_COLS;
2154 cam->params.roi.height = STV_IMAGE_CIF_ROWS;
2157 cam->width = cam->params.roi.width;
2158 cam->height = cam->params.roi.height;
2161 /******************************************************************************
2163 * cpia2_init_camera_struct
2165 * Deinitialize camera struct
2166 *****************************************************************************/
2167 void cpia2_deinit_camera_struct(struct camera_data *cam, struct usb_interface *intf)
2169 v4l2_device_unregister(&cam->v4l2_dev);
2173 /******************************************************************************
2175 * cpia2_init_camera_struct
2177 * Initializes camera struct, does not call reset to fill in defaults.
2178 *****************************************************************************/
2179 struct camera_data *cpia2_init_camera_struct(struct usb_interface *intf)
2181 struct camera_data *cam;
2183 cam = kzalloc(sizeof(*cam), GFP_KERNEL);
2186 ERR("couldn't kmalloc cpia2 struct\n");
2190 cam->v4l2_dev.release = cpia2_camera_release;
2191 if (v4l2_device_register(&intf->dev, &cam->v4l2_dev) < 0) {
2192 v4l2_err(&cam->v4l2_dev, "couldn't register v4l2_device\n");
2197 mutex_init(&cam->v4l2_lock);
2198 init_waitqueue_head(&cam->wq_stream);
2203 /******************************************************************************
2207 * Initializes camera.
2208 *****************************************************************************/
2209 int cpia2_init_camera(struct camera_data *cam)
2213 cam->mmapped = false;
2215 /* Get sensor and asic types before reset. */
2216 cpia2_set_high_power(cam);
2217 cpia2_get_version_info(cam);
2218 if (cam->params.version.asic_id != CPIA2_ASIC_672) {
2219 ERR("Device IO error (asicID has incorrect value of 0x%X\n",
2220 cam->params.version.asic_id);
2224 /* Set GPIO direction and data to a safe state. */
2225 cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION,
2227 cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA,
2230 /* resetting struct requires version info for sensor and asic types */
2231 reset_camera_struct(cam);
2233 cpia2_set_low_power(cam);
2240 /******************************************************************************
2242 * cpia2_allocate_buffers
2244 *****************************************************************************/
2245 int cpia2_allocate_buffers(struct camera_data *cam)
2250 u32 size = cam->num_frames*sizeof(struct framebuf);
2251 cam->buffers = kmalloc(size, GFP_KERNEL);
2253 ERR("couldn't kmalloc frame buffer structures\n");
2258 if(!cam->frame_buffer) {
2259 cam->frame_buffer = rvmalloc(cam->frame_size*cam->num_frames);
2260 if (!cam->frame_buffer) {
2261 ERR("couldn't vmalloc frame buffer data area\n");
2262 kfree(cam->buffers);
2263 cam->buffers = NULL;
2268 for(i=0; i<cam->num_frames-1; ++i) {
2269 cam->buffers[i].next = &cam->buffers[i+1];
2270 cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size;
2271 cam->buffers[i].status = FRAME_EMPTY;
2272 cam->buffers[i].length = 0;
2273 cam->buffers[i].max_length = 0;
2274 cam->buffers[i].num = i;
2276 cam->buffers[i].next = cam->buffers;
2277 cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size;
2278 cam->buffers[i].status = FRAME_EMPTY;
2279 cam->buffers[i].length = 0;
2280 cam->buffers[i].max_length = 0;
2281 cam->buffers[i].num = i;
2282 cam->curbuff = cam->buffers;
2283 cam->workbuff = cam->curbuff->next;
2284 DBG("buffers=%p, curbuff=%p, workbuff=%p\n", cam->buffers, cam->curbuff,
2289 /******************************************************************************
2291 * cpia2_free_buffers
2293 *****************************************************************************/
2294 void cpia2_free_buffers(struct camera_data *cam)
2297 kfree(cam->buffers);
2298 cam->buffers = NULL;
2300 if(cam->frame_buffer) {
2301 rvfree(cam->frame_buffer, cam->frame_size*cam->num_frames);
2302 cam->frame_buffer = NULL;
2306 /******************************************************************************
2310 *****************************************************************************/
2311 long cpia2_read(struct camera_data *cam,
2312 char __user *buf, unsigned long count, int noblock)
2314 struct framebuf *frame;
2320 ERR("%s: buffer NULL\n",__func__);
2325 ERR("%s: Internal error, camera_data NULL!\n",__func__);
2329 if (!cam->streaming) {
2330 /* Start streaming */
2331 cpia2_usb_stream_start(cam,
2332 cam->params.camera_state.stream_mode);
2335 /* Copy cam->curbuff in case it changes while we're processing */
2336 frame = cam->curbuff;
2337 if (noblock && frame->status != FRAME_READY) {
2341 if (frame->status != FRAME_READY) {
2342 mutex_unlock(&cam->v4l2_lock);
2343 wait_event_interruptible(cam->wq_stream,
2344 !video_is_registered(&cam->vdev) ||
2345 (frame = cam->curbuff)->status == FRAME_READY);
2346 mutex_lock(&cam->v4l2_lock);
2347 if (signal_pending(current))
2348 return -ERESTARTSYS;
2349 if (!video_is_registered(&cam->vdev))
2353 /* copy data to user space */
2354 if (frame->length > count)
2356 if (copy_to_user(buf, frame->data, frame->length))
2359 count = frame->length;
2361 frame->status = FRAME_EMPTY;
2366 /******************************************************************************
2370 *****************************************************************************/
2371 unsigned int cpia2_poll(struct camera_data *cam, struct file *filp,
2374 unsigned int status = v4l2_ctrl_poll(filp, wait);
2376 if ((poll_requested_events(wait) & (POLLIN | POLLRDNORM)) &&
2378 /* Start streaming */
2379 cpia2_usb_stream_start(cam,
2380 cam->params.camera_state.stream_mode);
2383 poll_wait(filp, &cam->wq_stream, wait);
2385 if (cam->curbuff->status == FRAME_READY)
2386 status |= POLLIN | POLLRDNORM;
2391 /******************************************************************************
2393 * cpia2_remap_buffer
2395 *****************************************************************************/
2396 int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma)
2398 const char *adr = (const char *)vma->vm_start;
2399 unsigned long size = vma->vm_end-vma->vm_start;
2400 unsigned long start_offset = vma->vm_pgoff << PAGE_SHIFT;
2401 unsigned long start = (unsigned long) adr;
2402 unsigned long page, pos;
2404 DBG("mmap offset:%ld size:%ld\n", start_offset, size);
2406 if (!video_is_registered(&cam->vdev))
2409 if (size > cam->frame_size*cam->num_frames ||
2410 (start_offset % cam->frame_size) != 0 ||
2411 (start_offset+size > cam->frame_size*cam->num_frames))
2414 pos = ((unsigned long) (cam->frame_buffer)) + start_offset;
2416 page = kvirt_to_pa(pos);
2417 if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, PAGE_SIZE, PAGE_SHARED))
2421 if (size > PAGE_SIZE)
2427 cam->mmapped = true;