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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 | ||
97989ada | 666 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
ab33d507 AC |
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 */ | |
97989ada | 672 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
ab33d507 AC |
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 */ | |
97989ada | 721 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
ab33d507 AC |
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 | ||
dd00cc48 | 2227 | cam = kzalloc(sizeof(*cam), GFP_KERNEL); |
ab33d507 AC |
2228 | |
2229 | if (!cam) { | |
2230 | ERR("couldn't kmalloc cpia2 struct\n"); | |
2231 | return NULL; | |
2232 | } | |
2233 | ||
ab33d507 AC |
2234 | |
2235 | cam->present = 1; | |
2ae15191 | 2236 | mutex_init(&cam->busy_lock); |
ab33d507 AC |
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 */ | |
2ae15191 | 2369 | if (mutex_lock_interruptible(&cam->busy_lock)) |
ab33d507 AC |
2370 | return -ERESTARTSYS; |
2371 | ||
2372 | if (!cam->present) { | |
2373 | LOG("%s: camera removed\n",__FUNCTION__); | |
2ae15191 | 2374 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
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) { | |
2ae15191 | 2387 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
2388 | return -EAGAIN; |
2389 | } | |
2390 | ||
2391 | if(frame->status != FRAME_READY) { | |
2ae15191 | 2392 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
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 */ | |
2ae15191 | 2399 | if (mutex_lock_interruptible(&cam->busy_lock)) { |
ab33d507 AC |
2400 | return -ERESTARTSYS; |
2401 | } | |
2402 | if(!cam->present) { | |
2ae15191 | 2403 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
2404 | return 0; |
2405 | } | |
2406 | } | |
2407 | ||
2408 | /* copy data to user space */ | |
2409 | if (frame->length > count) { | |
2ae15191 | 2410 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
2411 | return -EFAULT; |
2412 | } | |
2413 | if (copy_to_user(buf, frame->data, frame->length)) { | |
2ae15191 | 2414 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
2415 | return -EFAULT; |
2416 | } | |
2417 | ||
2418 | count = frame->length; | |
2419 | ||
2420 | frame->status = FRAME_EMPTY; | |
2421 | ||
2ae15191 | 2422 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
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 | ||
2ae15191 | 2441 | mutex_lock(&cam->busy_lock); |
ab33d507 AC |
2442 | |
2443 | if(!cam->present) { | |
2ae15191 | 2444 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
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 | ||
2ae15191 | 2454 | mutex_unlock(&cam->busy_lock); |
ab33d507 | 2455 | poll_wait(filp, &cam->wq_stream, wait); |
2ae15191 | 2456 | mutex_lock(&cam->busy_lock); |
ab33d507 AC |
2457 | |
2458 | if(!cam->present) | |
2459 | status = POLLHUP; | |
2460 | else if(cam->curbuff->status == FRAME_READY) | |
2461 | status = POLLIN | POLLRDNORM; | |
2462 | ||
2ae15191 | 2463 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
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 */ | |
2ae15191 | 2486 | if (mutex_lock_interruptible(&cam->busy_lock)) |
ab33d507 AC |
2487 | return -ERESTARTSYS; |
2488 | ||
2489 | if (!cam->present) { | |
2ae15191 | 2490 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
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)) { | |
2ae15191 | 2497 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
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)) { | |
2ae15191 | 2505 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
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; | |
2ae15191 | 2517 | mutex_unlock(&cam->busy_lock); |
ab33d507 AC |
2518 | return 0; |
2519 | } | |
2520 |