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ab33d507 AC |
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 | * | |
ab33d507 | 23 | * Stripped of 2.4 stuff ready for main kernel submit by |
d9b01449 | 24 | * Alan Cox <alan@lxorguk.ukuu.org.uk> |
ab33d507 AC |
25 | * |
26 | ****************************************************************************/ | |
27 | ||
28 | #include "cpia2.h" | |
29 | ||
229fd7d2 | 30 | #include <linux/module.h> |
ab33d507 | 31 | #include <linux/slab.h> |
f894dfd7 | 32 | #include <linux/mm.h> |
ab33d507 | 33 | #include <linux/vmalloc.h> |
04a33e40 | 34 | #include <linux/firmware.h> |
174cd4b1 | 35 | #include <linux/sched/signal.h> |
ab33d507 | 36 | |
229fd7d2 TG |
37 | #define FIRMWARE "cpia2/stv0672_vp4.bin" |
38 | MODULE_FIRMWARE(FIRMWARE); | |
39 | ||
ff699e6b | 40 | /* #define _CPIA2_DEBUG_ */ |
ab33d507 | 41 | |
ab33d507 AC |
42 | #ifdef _CPIA2_DEBUG_ |
43 | ||
44 | static const char *block_name[] = { | |
45 | "System", | |
46 | "VC", | |
47 | "VP", | |
48 | "IDATA" | |
49 | }; | |
50 | #endif | |
51 | ||
ff699e6b | 52 | static unsigned int debugs_on; /* default 0 - DEBUG_REG */ |
ab33d507 AC |
53 | |
54 | ||
55 | /****************************************************************************** | |
56 | * | |
57 | * Forward Declarations | |
58 | * | |
59 | *****************************************************************************/ | |
60 | static int apply_vp_patch(struct camera_data *cam); | |
61 | static int set_default_user_mode(struct camera_data *cam); | |
62 | static int set_vw_size(struct camera_data *cam, int size); | |
63 | static int configure_sensor(struct camera_data *cam, | |
64 | int reqwidth, int reqheight); | |
65 | static int config_sensor_410(struct camera_data *cam, | |
66 | int reqwidth, int reqheight); | |
67 | static int config_sensor_500(struct camera_data *cam, | |
68 | int reqwidth, int reqheight); | |
69 | static int set_all_properties(struct camera_data *cam); | |
ab33d507 AC |
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: | |
06eeefe8 MCC |
176 | cmd.buffer.block_data[0] = param; |
177 | /* fall through */ | |
ab33d507 AC |
178 | case CPIA2_CMD_GET_VP_BRIGHTNESS: |
179 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
180 | cmd.reg_count = 1; | |
181 | if (device == DEVICE_STV_672) | |
182 | cmd.start = CPIA2_VP4_EXPOSURE_TARGET; | |
183 | else | |
184 | cmd.start = CPIA2_VP5_EXPOSURE_TARGET; | |
185 | break; | |
186 | case CPIA2_CMD_SET_CONTRAST: | |
06eeefe8 MCC |
187 | cmd.buffer.block_data[0] = param; |
188 | /* fall through */ | |
ab33d507 AC |
189 | case CPIA2_CMD_GET_CONTRAST: |
190 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
191 | cmd.reg_count = 1; | |
192 | cmd.start = CPIA2_VP_YRANGE; | |
193 | break; | |
194 | case CPIA2_CMD_SET_VP_SATURATION: | |
06eeefe8 MCC |
195 | cmd.buffer.block_data[0] = param; |
196 | /* fall through */ | |
ab33d507 AC |
197 | case CPIA2_CMD_GET_VP_SATURATION: |
198 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
199 | cmd.reg_count = 1; | |
200 | if (device == DEVICE_STV_672) | |
201 | cmd.start = CPIA2_VP_SATURATION; | |
202 | else | |
203 | cmd.start = CPIA2_VP5_MCUVSATURATION; | |
204 | break; | |
205 | case CPIA2_CMD_SET_VP_GPIO_DATA: | |
06eeefe8 MCC |
206 | cmd.buffer.block_data[0] = param; |
207 | /* fall through */ | |
ab33d507 AC |
208 | case CPIA2_CMD_GET_VP_GPIO_DATA: |
209 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
210 | cmd.reg_count = 1; | |
211 | cmd.start = CPIA2_VP_GPIO_DATA; | |
212 | break; | |
213 | case CPIA2_CMD_SET_VP_GPIO_DIRECTION: | |
06eeefe8 MCC |
214 | cmd.buffer.block_data[0] = param; |
215 | /* fall through */ | |
ab33d507 AC |
216 | case CPIA2_CMD_GET_VP_GPIO_DIRECTION: |
217 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
218 | cmd.reg_count = 1; | |
219 | cmd.start = CPIA2_VP_GPIO_DIRECTION; | |
220 | break; | |
221 | case CPIA2_CMD_SET_VC_MP_GPIO_DATA: | |
06eeefe8 MCC |
222 | cmd.buffer.block_data[0] = param; |
223 | /* fall through */ | |
ab33d507 AC |
224 | case CPIA2_CMD_GET_VC_MP_GPIO_DATA: |
225 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
226 | cmd.reg_count = 1; | |
227 | cmd.start = CPIA2_VC_MP_DATA; | |
228 | break; | |
229 | case CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION: | |
06eeefe8 MCC |
230 | cmd.buffer.block_data[0] = param; |
231 | /*fall through */ | |
ab33d507 AC |
232 | case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION: |
233 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
234 | cmd.reg_count = 1; | |
235 | cmd.start = CPIA2_VC_MP_DIR; | |
236 | break; | |
237 | case CPIA2_CMD_ENABLE_PACKET_CTRL: | |
238 | cmd.req_mode = | |
239 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
240 | cmd.start = CPIA2_SYSTEM_INT_PACKET_CTRL; | |
241 | cmd.reg_count = 1; | |
242 | cmd.buffer.block_data[0] = param; | |
243 | break; | |
244 | case CPIA2_CMD_SET_FLICKER_MODES: | |
06eeefe8 MCC |
245 | cmd.buffer.block_data[0] = param; |
246 | /* fall through */ | |
ab33d507 AC |
247 | case CPIA2_CMD_GET_FLICKER_MODES: |
248 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
249 | cmd.reg_count = 1; | |
250 | cmd.start = CPIA2_VP_FLICKER_MODES; | |
251 | break; | |
252 | case CPIA2_CMD_RESET_FIFO: /* clear fifo and enable stream block */ | |
253 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
254 | cmd.reg_count = 2; | |
255 | cmd.start = 0; | |
256 | cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL; | |
257 | cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC | | |
258 | CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT; | |
259 | cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL; | |
260 | cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC | | |
261 | CPIA2_VC_ST_CTRL_DST_USB | | |
262 | CPIA2_VC_ST_CTRL_EOF_DETECT | | |
263 | CPIA2_VC_ST_CTRL_FIFO_ENABLE; | |
264 | break; | |
265 | case CPIA2_CMD_SET_HI_POWER: | |
266 | cmd.req_mode = | |
267 | CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM; | |
268 | cmd.reg_count = 2; | |
269 | cmd.buffer.registers[0].index = | |
270 | CPIA2_SYSTEM_SYSTEM_CONTROL; | |
271 | cmd.buffer.registers[1].index = | |
272 | CPIA2_SYSTEM_SYSTEM_CONTROL; | |
273 | cmd.buffer.registers[0].value = CPIA2_SYSTEM_CONTROL_CLEAR_ERR; | |
274 | cmd.buffer.registers[1].value = | |
275 | CPIA2_SYSTEM_CONTROL_HIGH_POWER; | |
276 | break; | |
277 | case CPIA2_CMD_SET_LOW_POWER: | |
278 | cmd.req_mode = | |
279 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
280 | cmd.reg_count = 1; | |
281 | cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; | |
282 | cmd.buffer.block_data[0] = 0; | |
283 | break; | |
284 | case CPIA2_CMD_CLEAR_V2W_ERR: | |
285 | cmd.req_mode = | |
286 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
287 | cmd.reg_count = 1; | |
288 | cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; | |
289 | cmd.buffer.block_data[0] = CPIA2_SYSTEM_CONTROL_CLEAR_ERR; | |
290 | break; | |
06eeefe8 | 291 | case CPIA2_CMD_SET_USER_MODE: |
ab33d507 | 292 | cmd.buffer.block_data[0] = param; |
06eeefe8 | 293 | /* fall through */ |
ab33d507 AC |
294 | case CPIA2_CMD_GET_USER_MODE: |
295 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
296 | cmd.reg_count = 1; | |
297 | if (device == DEVICE_STV_672) | |
298 | cmd.start = CPIA2_VP4_USER_MODE; | |
299 | else | |
300 | cmd.start = CPIA2_VP5_USER_MODE; | |
301 | break; | |
302 | case CPIA2_CMD_FRAMERATE_REQ: | |
303 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
304 | cmd.reg_count = 1; | |
305 | if (device == DEVICE_STV_672) | |
306 | cmd.start = CPIA2_VP4_FRAMERATE_REQUEST; | |
307 | else | |
308 | cmd.start = CPIA2_VP5_FRAMERATE_REQUEST; | |
309 | cmd.buffer.block_data[0] = param; | |
310 | break; | |
311 | case CPIA2_CMD_SET_WAKEUP: | |
06eeefe8 MCC |
312 | cmd.buffer.block_data[0] = param; |
313 | /* fall through */ | |
ab33d507 AC |
314 | case CPIA2_CMD_GET_WAKEUP: |
315 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
316 | cmd.reg_count = 1; | |
317 | cmd.start = CPIA2_VC_WAKEUP; | |
318 | break; | |
319 | case CPIA2_CMD_SET_PW_CONTROL: | |
06eeefe8 MCC |
320 | cmd.buffer.block_data[0] = param; |
321 | /* fall through */ | |
ab33d507 AC |
322 | case CPIA2_CMD_GET_PW_CONTROL: |
323 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
324 | cmd.reg_count = 1; | |
325 | cmd.start = CPIA2_VC_PW_CTRL; | |
326 | break; | |
327 | case CPIA2_CMD_GET_VP_SYSTEM_STATE: | |
328 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
329 | cmd.reg_count = 1; | |
330 | cmd.start = CPIA2_VP_SYSTEMSTATE; | |
331 | break; | |
332 | case CPIA2_CMD_SET_SYSTEM_CTRL: | |
06eeefe8 MCC |
333 | cmd.buffer.block_data[0] = param; |
334 | /* fall through */ | |
ab33d507 AC |
335 | case CPIA2_CMD_GET_SYSTEM_CTRL: |
336 | cmd.req_mode = | |
337 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
338 | cmd.reg_count = 1; | |
339 | cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; | |
340 | break; | |
341 | case CPIA2_CMD_SET_VP_SYSTEM_CTRL: | |
06eeefe8 MCC |
342 | cmd.buffer.block_data[0] = param; |
343 | /* fall through */ | |
ab33d507 AC |
344 | case CPIA2_CMD_GET_VP_SYSTEM_CTRL: |
345 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
346 | cmd.reg_count = 1; | |
347 | cmd.start = CPIA2_VP_SYSTEMCTRL; | |
348 | break; | |
349 | case CPIA2_CMD_SET_VP_EXP_MODES: | |
06eeefe8 MCC |
350 | cmd.buffer.block_data[0] = param; |
351 | /* fall through */ | |
ab33d507 AC |
352 | case CPIA2_CMD_GET_VP_EXP_MODES: |
353 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
354 | cmd.reg_count = 1; | |
355 | cmd.start = CPIA2_VP_EXPOSURE_MODES; | |
356 | break; | |
357 | case CPIA2_CMD_SET_DEVICE_CONFIG: | |
06eeefe8 MCC |
358 | cmd.buffer.block_data[0] = param; |
359 | /* fall through */ | |
ab33d507 AC |
360 | case CPIA2_CMD_GET_DEVICE_CONFIG: |
361 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
362 | cmd.reg_count = 1; | |
363 | cmd.start = CPIA2_VP_DEVICE_CONFIG; | |
364 | break; | |
365 | case CPIA2_CMD_SET_SERIAL_ADDR: | |
366 | cmd.buffer.block_data[0] = param; | |
367 | cmd.req_mode = | |
368 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
369 | cmd.reg_count = 1; | |
370 | cmd.start = CPIA2_SYSTEM_VP_SERIAL_ADDR; | |
371 | break; | |
372 | case CPIA2_CMD_SET_SENSOR_CR1: | |
373 | cmd.buffer.block_data[0] = param; | |
374 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
375 | cmd.reg_count = 1; | |
376 | cmd.start = CPIA2_SENSOR_CR1; | |
377 | break; | |
378 | case CPIA2_CMD_SET_VC_CONTROL: | |
06eeefe8 MCC |
379 | cmd.buffer.block_data[0] = param; |
380 | /* fall through */ | |
ab33d507 AC |
381 | case CPIA2_CMD_GET_VC_CONTROL: |
382 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
383 | cmd.reg_count = 1; | |
384 | cmd.start = CPIA2_VC_VC_CTRL; | |
385 | break; | |
386 | case CPIA2_CMD_SET_TARGET_KB: | |
387 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
388 | cmd.reg_count = 1; | |
389 | cmd.buffer.registers[0].index = CPIA2_VC_VC_TARGET_KB; | |
390 | cmd.buffer.registers[0].value = param; | |
391 | break; | |
392 | case CPIA2_CMD_SET_DEF_JPEG_OPT: | |
393 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
394 | cmd.reg_count = 4; | |
395 | cmd.buffer.registers[0].index = CPIA2_VC_VC_JPEG_OPT; | |
396 | cmd.buffer.registers[0].value = | |
397 | CPIA2_VC_VC_JPEG_OPT_DOUBLE_SQUEEZE; | |
398 | cmd.buffer.registers[1].index = CPIA2_VC_VC_USER_SQUEEZE; | |
399 | cmd.buffer.registers[1].value = 20; | |
400 | cmd.buffer.registers[2].index = CPIA2_VC_VC_CREEP_PERIOD; | |
401 | cmd.buffer.registers[2].value = 2; | |
402 | cmd.buffer.registers[3].index = CPIA2_VC_VC_JPEG_OPT; | |
403 | cmd.buffer.registers[3].value = CPIA2_VC_VC_JPEG_OPT_DEFAULT; | |
404 | break; | |
405 | case CPIA2_CMD_REHASH_VP4: | |
406 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
407 | cmd.reg_count = 1; | |
408 | cmd.start = CPIA2_VP_REHASH_VALUES; | |
409 | cmd.buffer.block_data[0] = param; | |
410 | break; | |
411 | case CPIA2_CMD_SET_USER_EFFECTS: /* Note: Be careful with this as | |
412 | this register can also affect | |
413 | flicker modes */ | |
06eeefe8 MCC |
414 | cmd.buffer.block_data[0] = param; |
415 | /* fall through */ | |
ab33d507 AC |
416 | case CPIA2_CMD_GET_USER_EFFECTS: |
417 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
418 | cmd.reg_count = 1; | |
419 | if (device == DEVICE_STV_672) | |
420 | cmd.start = CPIA2_VP4_USER_EFFECTS; | |
421 | else | |
422 | cmd.start = CPIA2_VP5_USER_EFFECTS; | |
423 | break; | |
424 | default: | |
425 | LOG("DoCommand received invalid command\n"); | |
426 | return -EINVAL; | |
427 | } | |
428 | ||
429 | retval = cpia2_send_command(cam, &cmd); | |
430 | if (retval) { | |
431 | return retval; | |
432 | } | |
433 | ||
434 | /*** | |
435 | * Now copy any results from a read into the appropriate param struct. | |
436 | ***/ | |
437 | switch (command) { | |
438 | case CPIA2_CMD_GET_VERSION: | |
439 | cam->params.version.firmware_revision_hi = | |
440 | cmd.buffer.block_data[0]; | |
441 | cam->params.version.firmware_revision_lo = | |
442 | cmd.buffer.block_data[1]; | |
443 | break; | |
444 | case CPIA2_CMD_GET_PNP_ID: | |
445 | cam->params.pnp_id.vendor = (cmd.buffer.block_data[0] << 8) | | |
446 | cmd.buffer.block_data[1]; | |
447 | cam->params.pnp_id.product = (cmd.buffer.block_data[2] << 8) | | |
448 | cmd.buffer.block_data[3]; | |
449 | cam->params.pnp_id.device_revision = | |
450 | (cmd.buffer.block_data[4] << 8) | | |
451 | cmd.buffer.block_data[5]; | |
452 | if (cam->params.pnp_id.vendor == 0x553) { | |
453 | if (cam->params.pnp_id.product == 0x100) { | |
454 | cam->params.pnp_id.device_type = DEVICE_STV_672; | |
455 | } else if (cam->params.pnp_id.product == 0x140 || | |
456 | cam->params.pnp_id.product == 0x151) { | |
457 | cam->params.pnp_id.device_type = DEVICE_STV_676; | |
458 | } | |
459 | } | |
460 | break; | |
461 | case CPIA2_CMD_GET_ASIC_TYPE: | |
462 | cam->params.version.asic_id = cmd.buffer.block_data[0]; | |
463 | cam->params.version.asic_rev = cmd.buffer.block_data[1]; | |
464 | break; | |
465 | case CPIA2_CMD_GET_SENSOR: | |
466 | cam->params.version.sensor_flags = cmd.buffer.block_data[0]; | |
467 | cam->params.version.sensor_rev = cmd.buffer.block_data[1]; | |
468 | break; | |
469 | case CPIA2_CMD_GET_VP_DEVICE: | |
470 | cam->params.version.vp_device_hi = cmd.buffer.block_data[0]; | |
471 | cam->params.version.vp_device_lo = cmd.buffer.block_data[1]; | |
472 | break; | |
ab33d507 AC |
473 | case CPIA2_CMD_GET_VP_GPIO_DATA: |
474 | cam->params.vp_params.gpio_data = cmd.buffer.block_data[0]; | |
475 | break; | |
476 | case CPIA2_CMD_GET_VP_GPIO_DIRECTION: | |
477 | cam->params.vp_params.gpio_direction = cmd.buffer.block_data[0]; | |
478 | break; | |
479 | case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION: | |
480 | cam->params.vc_params.vc_mp_direction =cmd.buffer.block_data[0]; | |
481 | break; | |
482 | case CPIA2_CMD_GET_VC_MP_GPIO_DATA: | |
483 | cam->params.vc_params.vc_mp_data = cmd.buffer.block_data[0]; | |
484 | break; | |
485 | case CPIA2_CMD_GET_FLICKER_MODES: | |
486 | cam->params.flicker_control.cam_register = | |
487 | cmd.buffer.block_data[0]; | |
488 | break; | |
489 | case CPIA2_CMD_GET_WAKEUP: | |
490 | cam->params.vc_params.wakeup = cmd.buffer.block_data[0]; | |
491 | break; | |
492 | case CPIA2_CMD_GET_PW_CONTROL: | |
493 | cam->params.vc_params.pw_control = cmd.buffer.block_data[0]; | |
494 | break; | |
495 | case CPIA2_CMD_GET_SYSTEM_CTRL: | |
496 | cam->params.camera_state.system_ctrl = cmd.buffer.block_data[0]; | |
497 | break; | |
498 | case CPIA2_CMD_GET_VP_SYSTEM_STATE: | |
499 | cam->params.vp_params.system_state = cmd.buffer.block_data[0]; | |
500 | break; | |
501 | case CPIA2_CMD_GET_VP_SYSTEM_CTRL: | |
502 | cam->params.vp_params.system_ctrl = cmd.buffer.block_data[0]; | |
503 | break; | |
504 | case CPIA2_CMD_GET_VP_EXP_MODES: | |
505 | cam->params.vp_params.exposure_modes = cmd.buffer.block_data[0]; | |
506 | break; | |
507 | case CPIA2_CMD_GET_DEVICE_CONFIG: | |
508 | cam->params.vp_params.device_config = cmd.buffer.block_data[0]; | |
509 | break; | |
510 | case CPIA2_CMD_GET_VC_CONTROL: | |
511 | cam->params.vc_params.vc_control = cmd.buffer.block_data[0]; | |
512 | break; | |
513 | case CPIA2_CMD_GET_USER_MODE: | |
514 | cam->params.vp_params.video_mode = cmd.buffer.block_data[0]; | |
515 | break; | |
516 | case CPIA2_CMD_GET_USER_EFFECTS: | |
517 | cam->params.vp_params.user_effects = cmd.buffer.block_data[0]; | |
518 | break; | |
519 | default: | |
520 | break; | |
521 | } | |
522 | return retval; | |
523 | } | |
524 | ||
525 | /****************************************************************************** | |
526 | * | |
527 | * cpia2_send_command | |
528 | * | |
529 | *****************************************************************************/ | |
10397523 MCC |
530 | |
531 | #define DIR(cmd) ((cmd->direction == TRANSFER_WRITE) ? "Write" : "Read") | |
532 | #define BINDEX(cmd) (cmd->req_mode & 0x03) | |
533 | ||
ab33d507 AC |
534 | int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd) |
535 | { | |
536 | u8 count; | |
537 | u8 start; | |
ab33d507 AC |
538 | u8 *buffer; |
539 | int retval; | |
ab33d507 AC |
540 | |
541 | switch (cmd->req_mode & 0x0c) { | |
542 | case CAMERAACCESS_TYPE_RANDOM: | |
543 | count = cmd->reg_count * sizeof(struct cpia2_register); | |
544 | start = 0; | |
545 | buffer = (u8 *) & cmd->buffer; | |
546 | if (debugs_on & DEBUG_REG) | |
10397523 MCC |
547 | DBG("%s Random: Register block %s\n", DIR(cmd), |
548 | block_name[BINDEX(cmd)]); | |
ab33d507 AC |
549 | break; |
550 | case CAMERAACCESS_TYPE_BLOCK: | |
551 | count = cmd->reg_count; | |
552 | start = cmd->start; | |
553 | buffer = cmd->buffer.block_data; | |
554 | if (debugs_on & DEBUG_REG) | |
10397523 MCC |
555 | DBG("%s Block: Register block %s\n", DIR(cmd), |
556 | block_name[BINDEX(cmd)]); | |
ab33d507 AC |
557 | break; |
558 | case CAMERAACCESS_TYPE_MASK: | |
559 | count = cmd->reg_count * sizeof(struct cpia2_reg_mask); | |
560 | start = 0; | |
561 | buffer = (u8 *) & cmd->buffer; | |
562 | if (debugs_on & DEBUG_REG) | |
10397523 MCC |
563 | DBG("%s Mask: Register block %s\n", DIR(cmd), |
564 | block_name[BINDEX(cmd)]); | |
ab33d507 AC |
565 | break; |
566 | case CAMERAACCESS_TYPE_REPEAT: /* For patch blocks only */ | |
567 | count = cmd->reg_count; | |
568 | start = cmd->start; | |
569 | buffer = cmd->buffer.block_data; | |
570 | if (debugs_on & DEBUG_REG) | |
10397523 MCC |
571 | DBG("%s Repeat: Register block %s\n", DIR(cmd), |
572 | block_name[BINDEX(cmd)]); | |
ab33d507 AC |
573 | break; |
574 | default: | |
94205c7a | 575 | LOG("%s: invalid request mode\n",__func__); |
ab33d507 AC |
576 | return -EINVAL; |
577 | } | |
578 | ||
579 | retval = cpia2_usb_transfer_cmd(cam, | |
580 | buffer, | |
581 | cmd->req_mode, | |
582 | start, count, cmd->direction); | |
583 | #ifdef _CPIA2_DEBUG_ | |
584 | if (debugs_on & DEBUG_REG) { | |
585 | int i; | |
586 | for (i = 0; i < cmd->reg_count; i++) { | |
587 | if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_BLOCK) | |
588 | KINFO("%s Block: [0x%02X] = 0x%02X\n", | |
10397523 | 589 | DIR(cmd), start + i, buffer[i]); |
ab33d507 AC |
590 | if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_RANDOM) |
591 | KINFO("%s Random: [0x%02X] = 0x%02X\n", | |
10397523 | 592 | DIR(cmd), cmd->buffer.registers[i].index, |
ab33d507 AC |
593 | cmd->buffer.registers[i].value); |
594 | } | |
595 | } | |
596 | #endif | |
597 | ||
598 | return retval; | |
599 | }; | |
600 | ||
601 | /************* | |
602 | * Functions to implement camera functionality | |
603 | *************/ | |
604 | /****************************************************************************** | |
605 | * | |
606 | * cpia2_get_version_info | |
607 | * | |
608 | *****************************************************************************/ | |
609 | static void cpia2_get_version_info(struct camera_data *cam) | |
610 | { | |
611 | cpia2_do_command(cam, CPIA2_CMD_GET_VERSION, TRANSFER_READ, 0); | |
612 | cpia2_do_command(cam, CPIA2_CMD_GET_PNP_ID, TRANSFER_READ, 0); | |
613 | cpia2_do_command(cam, CPIA2_CMD_GET_ASIC_TYPE, TRANSFER_READ, 0); | |
614 | cpia2_do_command(cam, CPIA2_CMD_GET_SENSOR, TRANSFER_READ, 0); | |
615 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_DEVICE, TRANSFER_READ, 0); | |
616 | } | |
617 | ||
618 | /****************************************************************************** | |
619 | * | |
620 | * cpia2_reset_camera | |
621 | * | |
622 | * Called at least during the open process, sets up initial params. | |
623 | *****************************************************************************/ | |
624 | int cpia2_reset_camera(struct camera_data *cam) | |
625 | { | |
626 | u8 tmp_reg; | |
627 | int retval = 0; | |
6c493f8b | 628 | int target_kb; |
ab33d507 AC |
629 | int i; |
630 | struct cpia2_command cmd; | |
631 | ||
632 | /*** | |
633 | * VC setup | |
634 | ***/ | |
635 | retval = configure_sensor(cam, | |
636 | cam->params.roi.width, | |
637 | cam->params.roi.height); | |
638 | if (retval < 0) { | |
639 | ERR("Couldn't configure sensor, error=%d\n", retval); | |
640 | return retval; | |
641 | } | |
642 | ||
643 | /* Clear FIFO and route/enable stream block */ | |
644 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
645 | cmd.direction = TRANSFER_WRITE; | |
646 | cmd.reg_count = 2; | |
647 | cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL; | |
648 | cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC | | |
649 | CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT; | |
650 | cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL; | |
651 | cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC | | |
652 | CPIA2_VC_ST_CTRL_DST_USB | | |
653 | CPIA2_VC_ST_CTRL_EOF_DETECT | CPIA2_VC_ST_CTRL_FIFO_ENABLE; | |
654 | ||
655 | cpia2_send_command(cam, &cmd); | |
656 | ||
657 | cpia2_set_high_power(cam); | |
658 | ||
659 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { | |
660 | /* Enable button notification */ | |
661 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM; | |
662 | cmd.buffer.registers[0].index = CPIA2_SYSTEM_INT_PACKET_CTRL; | |
663 | cmd.buffer.registers[0].value = | |
664 | CPIA2_SYSTEM_INT_PACKET_CTRL_ENABLE_SW_XX; | |
665 | cmd.reg_count = 1; | |
666 | cpia2_send_command(cam, &cmd); | |
667 | } | |
668 | ||
97989ada | 669 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
ab33d507 AC |
670 | |
671 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) | |
672 | retval = apply_vp_patch(cam); | |
673 | ||
674 | /* wait for vp to go to sleep */ | |
97989ada | 675 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
ab33d507 AC |
676 | |
677 | /*** | |
678 | * If this is a 676, apply VP5 fixes before we start streaming | |
679 | ***/ | |
680 | if (cam->params.pnp_id.device_type == DEVICE_STV_676) { | |
681 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; | |
682 | ||
683 | /* The following writes improve the picture */ | |
684 | cmd.buffer.registers[0].index = CPIA2_VP5_MYBLACK_LEVEL; | |
685 | cmd.buffer.registers[0].value = 0; /* reduce from the default | |
686 | * rec 601 pedestal of 16 */ | |
687 | cmd.buffer.registers[1].index = CPIA2_VP5_MCYRANGE; | |
688 | cmd.buffer.registers[1].value = 0x92; /* increase from 100% to | |
689 | * (256/256 - 31) to fill | |
690 | * available range */ | |
691 | cmd.buffer.registers[2].index = CPIA2_VP5_MYCEILING; | |
692 | cmd.buffer.registers[2].value = 0xFF; /* Increase from the | |
693 | * default rec 601 ceiling | |
694 | * of 240 */ | |
695 | cmd.buffer.registers[3].index = CPIA2_VP5_MCUVSATURATION; | |
696 | cmd.buffer.registers[3].value = 0xFF; /* Increase from the rec | |
697 | * 601 100% level (128) | |
698 | * to 145-192 */ | |
699 | cmd.buffer.registers[4].index = CPIA2_VP5_ANTIFLKRSETUP; | |
700 | cmd.buffer.registers[4].value = 0x80; /* Inhibit the | |
701 | * anti-flicker */ | |
702 | ||
703 | /* The following 4 writes are a fix to allow QVGA to work at 30 fps */ | |
704 | cmd.buffer.registers[5].index = CPIA2_VP_RAM_ADDR_H; | |
705 | cmd.buffer.registers[5].value = 0x01; | |
706 | cmd.buffer.registers[6].index = CPIA2_VP_RAM_ADDR_L; | |
707 | cmd.buffer.registers[6].value = 0xE3; | |
708 | cmd.buffer.registers[7].index = CPIA2_VP_RAM_DATA; | |
709 | cmd.buffer.registers[7].value = 0x02; | |
710 | cmd.buffer.registers[8].index = CPIA2_VP_RAM_DATA; | |
711 | cmd.buffer.registers[8].value = 0xFC; | |
712 | ||
713 | cmd.direction = TRANSFER_WRITE; | |
714 | cmd.reg_count = 9; | |
715 | ||
716 | cpia2_send_command(cam, &cmd); | |
717 | } | |
718 | ||
719 | /* Activate all settings and start the data stream */ | |
720 | /* Set user mode */ | |
721 | set_default_user_mode(cam); | |
722 | ||
723 | /* Give VP time to wake up */ | |
97989ada | 724 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
ab33d507 AC |
725 | |
726 | set_all_properties(cam); | |
727 | ||
728 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0); | |
729 | DBG("After SetAllProperties(cam), user mode is 0x%0X\n", | |
730 | cam->params.vp_params.video_mode); | |
731 | ||
732 | /*** | |
733 | * Set audio regulator off. This and the code to set the compresison | |
734 | * state are too complex to form a CPIA2_CMD_, and seem to be somewhat | |
735 | * intertwined. This stuff came straight from the windows driver. | |
736 | ***/ | |
737 | /* Turn AutoExposure off in VP and enable the serial bridge to the sensor */ | |
738 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0); | |
739 | tmp_reg = cam->params.vp_params.system_ctrl; | |
740 | cmd.buffer.registers[0].value = tmp_reg & | |
741 | (tmp_reg & (CPIA2_VP_SYSTEMCTRL_HK_CONTROL ^ 0xFF)); | |
742 | ||
743 | cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0); | |
744 | cmd.buffer.registers[1].value = cam->params.vp_params.device_config | | |
745 | CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE; | |
746 | cmd.buffer.registers[0].index = CPIA2_VP_SYSTEMCTRL; | |
747 | cmd.buffer.registers[1].index = CPIA2_VP_DEVICE_CONFIG; | |
748 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; | |
749 | cmd.reg_count = 2; | |
750 | cmd.direction = TRANSFER_WRITE; | |
751 | cmd.start = 0; | |
752 | cpia2_send_command(cam, &cmd); | |
753 | ||
754 | /* Set the correct I2C address in the CPiA-2 system register */ | |
755 | cpia2_do_command(cam, | |
756 | CPIA2_CMD_SET_SERIAL_ADDR, | |
757 | TRANSFER_WRITE, | |
758 | CPIA2_SYSTEM_VP_SERIAL_ADDR_SENSOR); | |
759 | ||
760 | /* Now have sensor access - set bit to turn the audio regulator off */ | |
761 | cpia2_do_command(cam, | |
762 | CPIA2_CMD_SET_SENSOR_CR1, | |
763 | TRANSFER_WRITE, CPIA2_SENSOR_CR1_DOWN_AUDIO_REGULATOR); | |
764 | ||
765 | /* Set the correct I2C address in the CPiA-2 system register */ | |
766 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) | |
767 | cpia2_do_command(cam, | |
768 | CPIA2_CMD_SET_SERIAL_ADDR, | |
769 | TRANSFER_WRITE, | |
770 | CPIA2_SYSTEM_VP_SERIAL_ADDR_VP); // 0x88 | |
771 | else | |
772 | cpia2_do_command(cam, | |
773 | CPIA2_CMD_SET_SERIAL_ADDR, | |
774 | TRANSFER_WRITE, | |
775 | CPIA2_SYSTEM_VP_SERIAL_ADDR_676_VP); // 0x8a | |
776 | ||
777 | /* increase signal drive strength */ | |
778 | if (cam->params.pnp_id.device_type == DEVICE_STV_676) | |
779 | cpia2_do_command(cam, | |
780 | CPIA2_CMD_SET_VP_EXP_MODES, | |
781 | TRANSFER_WRITE, | |
782 | CPIA2_VP_EXPOSURE_MODES_COMPILE_EXP); | |
783 | ||
784 | /* Start autoexposure */ | |
785 | cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0); | |
786 | cmd.buffer.registers[0].value = cam->params.vp_params.device_config & | |
787 | (CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE ^ 0xFF); | |
788 | ||
789 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0); | |
790 | cmd.buffer.registers[1].value = | |
791 | cam->params.vp_params.system_ctrl | CPIA2_VP_SYSTEMCTRL_HK_CONTROL; | |
792 | ||
793 | cmd.buffer.registers[0].index = CPIA2_VP_DEVICE_CONFIG; | |
794 | cmd.buffer.registers[1].index = CPIA2_VP_SYSTEMCTRL; | |
795 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; | |
796 | cmd.reg_count = 2; | |
797 | cmd.direction = TRANSFER_WRITE; | |
798 | ||
799 | cpia2_send_command(cam, &cmd); | |
800 | ||
801 | /* Set compression state */ | |
802 | cpia2_do_command(cam, CPIA2_CMD_GET_VC_CONTROL, TRANSFER_READ, 0); | |
803 | if (cam->params.compression.inhibit_htables) { | |
804 | tmp_reg = cam->params.vc_params.vc_control | | |
805 | CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES; | |
806 | } else { | |
807 | tmp_reg = cam->params.vc_params.vc_control & | |
808 | ~CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES; | |
809 | } | |
810 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_CONTROL, TRANSFER_WRITE,tmp_reg); | |
811 | ||
6c493f8b HV |
812 | /* Set target size (kb) on vc |
813 | This is a heuristic based on the quality parameter and the raw | |
814 | framesize in kB divided by 16 (the compression factor when the | |
815 | quality is 100%) */ | |
816 | target_kb = (cam->width * cam->height * 2 / 16384) * | |
817 | cam->params.vc_params.quality / 100; | |
818 | if (target_kb < 1) | |
819 | target_kb = 1; | |
ab33d507 | 820 | cpia2_do_command(cam, CPIA2_CMD_SET_TARGET_KB, |
6c493f8b | 821 | TRANSFER_WRITE, target_kb); |
ab33d507 AC |
822 | |
823 | /* Wiggle VC Reset */ | |
824 | /*** | |
825 | * First read and wait a bit. | |
826 | ***/ | |
827 | for (i = 0; i < 50; i++) { | |
828 | cpia2_do_command(cam, CPIA2_CMD_GET_PW_CONTROL, | |
829 | TRANSFER_READ, 0); | |
830 | } | |
831 | ||
832 | tmp_reg = cam->params.vc_params.pw_control; | |
833 | tmp_reg &= ~CPIA2_VC_PW_CTRL_VC_RESET_N; | |
834 | ||
835 | cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg); | |
836 | ||
837 | tmp_reg |= CPIA2_VC_PW_CTRL_VC_RESET_N; | |
838 | cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg); | |
839 | ||
840 | cpia2_do_command(cam, CPIA2_CMD_SET_DEF_JPEG_OPT, TRANSFER_WRITE, 0); | |
841 | ||
842 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0); | |
843 | DBG("After VC RESET, user mode is 0x%0X\n", | |
844 | cam->params.vp_params.video_mode); | |
845 | ||
846 | return retval; | |
847 | } | |
848 | ||
849 | /****************************************************************************** | |
850 | * | |
851 | * cpia2_set_high_power | |
852 | * | |
853 | *****************************************************************************/ | |
854 | static int cpia2_set_high_power(struct camera_data *cam) | |
855 | { | |
856 | int i; | |
857 | for (i = 0; i <= 50; i++) { | |
858 | /* Read system status */ | |
859 | cpia2_do_command(cam,CPIA2_CMD_GET_SYSTEM_CTRL,TRANSFER_READ,0); | |
860 | ||
861 | /* If there is an error, clear it */ | |
862 | if(cam->params.camera_state.system_ctrl & | |
863 | CPIA2_SYSTEM_CONTROL_V2W_ERR) | |
864 | cpia2_do_command(cam, CPIA2_CMD_CLEAR_V2W_ERR, | |
865 | TRANSFER_WRITE, 0); | |
866 | ||
867 | /* Try to set high power mode */ | |
868 | cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL, | |
869 | TRANSFER_WRITE, 1); | |
870 | ||
871 | /* Try to read something in VP to check if everything is awake */ | |
872 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_STATE, | |
873 | TRANSFER_READ, 0); | |
874 | if (cam->params.vp_params.system_state & | |
875 | CPIA2_VP_SYSTEMSTATE_HK_ALIVE) { | |
876 | break; | |
877 | } else if (i == 50) { | |
878 | cam->params.camera_state.power_mode = LO_POWER_MODE; | |
879 | ERR("Camera did not wake up\n"); | |
880 | return -EIO; | |
881 | } | |
882 | } | |
883 | ||
884 | DBG("System now in high power state\n"); | |
885 | cam->params.camera_state.power_mode = HI_POWER_MODE; | |
886 | return 0; | |
887 | } | |
888 | ||
889 | /****************************************************************************** | |
890 | * | |
891 | * cpia2_set_low_power | |
892 | * | |
893 | *****************************************************************************/ | |
894 | int cpia2_set_low_power(struct camera_data *cam) | |
895 | { | |
896 | cam->params.camera_state.power_mode = LO_POWER_MODE; | |
897 | cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL, TRANSFER_WRITE, 0); | |
898 | return 0; | |
899 | } | |
900 | ||
901 | /****************************************************************************** | |
902 | * | |
903 | * apply_vp_patch | |
904 | * | |
905 | *****************************************************************************/ | |
04a33e40 DW |
906 | static int cpia2_send_onebyte_command(struct camera_data *cam, |
907 | struct cpia2_command *cmd, | |
908 | u8 start, u8 datum) | |
909 | { | |
910 | cmd->buffer.block_data[0] = datum; | |
911 | cmd->start = start; | |
912 | cmd->reg_count = 1; | |
913 | return cpia2_send_command(cam, cmd); | |
914 | } | |
915 | ||
ab33d507 AC |
916 | static int apply_vp_patch(struct camera_data *cam) |
917 | { | |
04a33e40 | 918 | const struct firmware *fw; |
229fd7d2 | 919 | const char fw_name[] = FIRMWARE; |
04a33e40 | 920 | int i, ret; |
ab33d507 AC |
921 | struct cpia2_command cmd; |
922 | ||
04a33e40 DW |
923 | ret = request_firmware(&fw, fw_name, &cam->dev->dev); |
924 | if (ret) { | |
925 | printk(KERN_ERR "cpia2: failed to load VP patch \"%s\"\n", | |
926 | fw_name); | |
927 | return ret; | |
928 | } | |
929 | ||
ab33d507 AC |
930 | cmd.req_mode = CAMERAACCESS_TYPE_REPEAT | CAMERAACCESS_VP; |
931 | cmd.direction = TRANSFER_WRITE; | |
932 | ||
04a33e40 DW |
933 | /* First send the start address... */ |
934 | cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */ | |
935 | cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */ | |
ab33d507 | 936 | |
04a33e40 DW |
937 | /* ... followed by the data payload */ |
938 | for (i = 2; i < fw->size; i += 64) { | |
939 | cmd.start = 0x0C; /* Data */ | |
76880b40 | 940 | cmd.reg_count = min_t(uint, 64, fw->size - i); |
04a33e40 | 941 | memcpy(cmd.buffer.block_data, &fw->data[i], cmd.reg_count); |
ab33d507 AC |
942 | cpia2_send_command(cam, &cmd); |
943 | } | |
944 | ||
04a33e40 DW |
945 | /* Next send the start address... */ |
946 | cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */ | |
947 | cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */ | |
948 | ||
949 | /* ... followed by the 'goto' command */ | |
950 | cpia2_send_onebyte_command(cam, &cmd, 0x0D, 1); | |
951 | ||
952 | release_firmware(fw); | |
ab33d507 AC |
953 | return 0; |
954 | } | |
955 | ||
956 | /****************************************************************************** | |
957 | * | |
958 | * set_default_user_mode | |
959 | * | |
960 | *****************************************************************************/ | |
961 | static int set_default_user_mode(struct camera_data *cam) | |
962 | { | |
963 | unsigned char user_mode; | |
964 | unsigned char frame_rate; | |
965 | int width = cam->params.roi.width; | |
966 | int height = cam->params.roi.height; | |
967 | ||
968 | switch (cam->params.version.sensor_flags) { | |
969 | case CPIA2_VP_SENSOR_FLAGS_404: | |
970 | case CPIA2_VP_SENSOR_FLAGS_407: | |
971 | case CPIA2_VP_SENSOR_FLAGS_409: | |
972 | case CPIA2_VP_SENSOR_FLAGS_410: | |
973 | if ((width > STV_IMAGE_QCIF_COLS) | |
974 | || (height > STV_IMAGE_QCIF_ROWS)) { | |
975 | user_mode = CPIA2_VP_USER_MODE_CIF; | |
976 | } else { | |
977 | user_mode = CPIA2_VP_USER_MODE_QCIFDS; | |
978 | } | |
979 | frame_rate = CPIA2_VP_FRAMERATE_30; | |
980 | break; | |
981 | case CPIA2_VP_SENSOR_FLAGS_500: | |
982 | if ((width > STV_IMAGE_CIF_COLS) | |
983 | || (height > STV_IMAGE_CIF_ROWS)) { | |
984 | user_mode = CPIA2_VP_USER_MODE_VGA; | |
985 | } else { | |
986 | user_mode = CPIA2_VP_USER_MODE_QVGADS; | |
987 | } | |
988 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) | |
989 | frame_rate = CPIA2_VP_FRAMERATE_15; | |
990 | else | |
991 | frame_rate = CPIA2_VP_FRAMERATE_30; | |
992 | break; | |
993 | default: | |
94205c7a | 994 | LOG("%s: Invalid sensor flag value 0x%0X\n",__func__, |
ab33d507 AC |
995 | cam->params.version.sensor_flags); |
996 | return -EINVAL; | |
997 | } | |
998 | ||
999 | DBG("Sensor flag = 0x%0x, user mode = 0x%0x, frame rate = 0x%X\n", | |
1000 | cam->params.version.sensor_flags, user_mode, frame_rate); | |
1001 | cpia2_do_command(cam, CPIA2_CMD_SET_USER_MODE, TRANSFER_WRITE, | |
1002 | user_mode); | |
1003 | if(cam->params.vp_params.frame_rate > 0 && | |
1004 | frame_rate > cam->params.vp_params.frame_rate) | |
1005 | frame_rate = cam->params.vp_params.frame_rate; | |
1006 | ||
1007 | cpia2_set_fps(cam, frame_rate); | |
1008 | ||
1009 | // if (cam->params.pnp_id.device_type == DEVICE_STV_676) | |
1010 | // cpia2_do_command(cam, | |
1011 | // CPIA2_CMD_SET_VP_SYSTEM_CTRL, | |
1012 | // TRANSFER_WRITE, | |
1013 | // CPIA2_VP_SYSTEMCTRL_HK_CONTROL | | |
1014 | // CPIA2_VP_SYSTEMCTRL_POWER_CONTROL); | |
1015 | ||
1016 | return 0; | |
1017 | } | |
1018 | ||
1019 | /****************************************************************************** | |
1020 | * | |
1021 | * cpia2_match_video_size | |
1022 | * | |
1023 | * return the best match, where 'best' is as always | |
1024 | * the largest that is not bigger than what is requested. | |
1025 | *****************************************************************************/ | |
1026 | int cpia2_match_video_size(int width, int height) | |
1027 | { | |
1028 | if (width >= STV_IMAGE_VGA_COLS && height >= STV_IMAGE_VGA_ROWS) | |
1029 | return VIDEOSIZE_VGA; | |
1030 | ||
1031 | if (width >= STV_IMAGE_CIF_COLS && height >= STV_IMAGE_CIF_ROWS) | |
1032 | return VIDEOSIZE_CIF; | |
1033 | ||
1034 | if (width >= STV_IMAGE_QVGA_COLS && height >= STV_IMAGE_QVGA_ROWS) | |
1035 | return VIDEOSIZE_QVGA; | |
1036 | ||
1037 | if (width >= 288 && height >= 216) | |
1038 | return VIDEOSIZE_288_216; | |
1039 | ||
1040 | if (width >= 256 && height >= 192) | |
1041 | return VIDEOSIZE_256_192; | |
1042 | ||
1043 | if (width >= 224 && height >= 168) | |
1044 | return VIDEOSIZE_224_168; | |
1045 | ||
1046 | if (width >= 192 && height >= 144) | |
1047 | return VIDEOSIZE_192_144; | |
1048 | ||
1049 | if (width >= STV_IMAGE_QCIF_COLS && height >= STV_IMAGE_QCIF_ROWS) | |
1050 | return VIDEOSIZE_QCIF; | |
1051 | ||
1052 | return -1; | |
1053 | } | |
1054 | ||
1055 | /****************************************************************************** | |
1056 | * | |
1057 | * SetVideoSize | |
1058 | * | |
1059 | *****************************************************************************/ | |
1060 | static int set_vw_size(struct camera_data *cam, int size) | |
1061 | { | |
1062 | int retval = 0; | |
1063 | ||
1064 | cam->params.vp_params.video_size = size; | |
1065 | ||
1066 | switch (size) { | |
1067 | case VIDEOSIZE_VGA: | |
1068 | DBG("Setting size to VGA\n"); | |
1069 | cam->params.roi.width = STV_IMAGE_VGA_COLS; | |
1070 | cam->params.roi.height = STV_IMAGE_VGA_ROWS; | |
873ecd8f HV |
1071 | cam->width = STV_IMAGE_VGA_COLS; |
1072 | cam->height = STV_IMAGE_VGA_ROWS; | |
ab33d507 AC |
1073 | break; |
1074 | case VIDEOSIZE_CIF: | |
1075 | DBG("Setting size to CIF\n"); | |
1076 | cam->params.roi.width = STV_IMAGE_CIF_COLS; | |
1077 | cam->params.roi.height = STV_IMAGE_CIF_ROWS; | |
873ecd8f HV |
1078 | cam->width = STV_IMAGE_CIF_COLS; |
1079 | cam->height = STV_IMAGE_CIF_ROWS; | |
ab33d507 AC |
1080 | break; |
1081 | case VIDEOSIZE_QVGA: | |
1082 | DBG("Setting size to QVGA\n"); | |
1083 | cam->params.roi.width = STV_IMAGE_QVGA_COLS; | |
1084 | cam->params.roi.height = STV_IMAGE_QVGA_ROWS; | |
873ecd8f HV |
1085 | cam->width = STV_IMAGE_QVGA_COLS; |
1086 | cam->height = STV_IMAGE_QVGA_ROWS; | |
ab33d507 AC |
1087 | break; |
1088 | case VIDEOSIZE_288_216: | |
1089 | cam->params.roi.width = 288; | |
1090 | cam->params.roi.height = 216; | |
873ecd8f HV |
1091 | cam->width = 288; |
1092 | cam->height = 216; | |
ab33d507 AC |
1093 | break; |
1094 | case VIDEOSIZE_256_192: | |
873ecd8f HV |
1095 | cam->width = 256; |
1096 | cam->height = 192; | |
ab33d507 AC |
1097 | cam->params.roi.width = 256; |
1098 | cam->params.roi.height = 192; | |
1099 | break; | |
1100 | case VIDEOSIZE_224_168: | |
873ecd8f HV |
1101 | cam->width = 224; |
1102 | cam->height = 168; | |
ab33d507 AC |
1103 | cam->params.roi.width = 224; |
1104 | cam->params.roi.height = 168; | |
1105 | break; | |
1106 | case VIDEOSIZE_192_144: | |
873ecd8f HV |
1107 | cam->width = 192; |
1108 | cam->height = 144; | |
ab33d507 AC |
1109 | cam->params.roi.width = 192; |
1110 | cam->params.roi.height = 144; | |
1111 | break; | |
1112 | case VIDEOSIZE_QCIF: | |
1113 | DBG("Setting size to QCIF\n"); | |
1114 | cam->params.roi.width = STV_IMAGE_QCIF_COLS; | |
1115 | cam->params.roi.height = STV_IMAGE_QCIF_ROWS; | |
873ecd8f HV |
1116 | cam->width = STV_IMAGE_QCIF_COLS; |
1117 | cam->height = STV_IMAGE_QCIF_ROWS; | |
ab33d507 AC |
1118 | break; |
1119 | default: | |
1120 | retval = -EINVAL; | |
1121 | } | |
1122 | return retval; | |
1123 | } | |
1124 | ||
1125 | /****************************************************************************** | |
1126 | * | |
1127 | * configure_sensor | |
1128 | * | |
1129 | *****************************************************************************/ | |
1130 | static int configure_sensor(struct camera_data *cam, | |
1131 | int req_width, int req_height) | |
1132 | { | |
1133 | int retval; | |
1134 | ||
1135 | switch (cam->params.version.sensor_flags) { | |
1136 | case CPIA2_VP_SENSOR_FLAGS_404: | |
1137 | case CPIA2_VP_SENSOR_FLAGS_407: | |
1138 | case CPIA2_VP_SENSOR_FLAGS_409: | |
1139 | case CPIA2_VP_SENSOR_FLAGS_410: | |
1140 | retval = config_sensor_410(cam, req_width, req_height); | |
1141 | break; | |
1142 | case CPIA2_VP_SENSOR_FLAGS_500: | |
1143 | retval = config_sensor_500(cam, req_width, req_height); | |
1144 | break; | |
1145 | default: | |
1146 | return -EINVAL; | |
1147 | } | |
1148 | ||
1149 | return retval; | |
1150 | } | |
1151 | ||
1152 | /****************************************************************************** | |
1153 | * | |
1154 | * config_sensor_410 | |
1155 | * | |
1156 | *****************************************************************************/ | |
1157 | static int config_sensor_410(struct camera_data *cam, | |
1158 | int req_width, int req_height) | |
1159 | { | |
1160 | struct cpia2_command cmd; | |
1161 | int i = 0; | |
1162 | int image_size; | |
1163 | int image_type; | |
1164 | int width = req_width; | |
1165 | int height = req_height; | |
1166 | ||
1167 | /*** | |
1168 | * Make sure size doesn't exceed CIF. | |
1169 | ***/ | |
1170 | if (width > STV_IMAGE_CIF_COLS) | |
1171 | width = STV_IMAGE_CIF_COLS; | |
1172 | if (height > STV_IMAGE_CIF_ROWS) | |
1173 | height = STV_IMAGE_CIF_ROWS; | |
1174 | ||
1175 | image_size = cpia2_match_video_size(width, height); | |
1176 | ||
1177 | DBG("Config 410: width = %d, height = %d\n", width, height); | |
1178 | DBG("Image size returned is %d\n", image_size); | |
1179 | if (image_size >= 0) { | |
1180 | set_vw_size(cam, image_size); | |
1181 | width = cam->params.roi.width; | |
1182 | height = cam->params.roi.height; | |
1183 | ||
1184 | DBG("After set_vw_size(), width = %d, height = %d\n", | |
1185 | width, height); | |
1186 | if (width <= 176 && height <= 144) { | |
1187 | DBG("image type = VIDEOSIZE_QCIF\n"); | |
1188 | image_type = VIDEOSIZE_QCIF; | |
1189 | } | |
1190 | else if (width <= 320 && height <= 240) { | |
1191 | DBG("image type = VIDEOSIZE_QVGA\n"); | |
1192 | image_type = VIDEOSIZE_QVGA; | |
1193 | } | |
1194 | else { | |
1195 | DBG("image type = VIDEOSIZE_CIF\n"); | |
1196 | image_type = VIDEOSIZE_CIF; | |
1197 | } | |
1198 | } else { | |
1199 | ERR("ConfigSensor410 failed\n"); | |
1200 | return -EINVAL; | |
1201 | } | |
1202 | ||
1203 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
1204 | cmd.direction = TRANSFER_WRITE; | |
1205 | ||
1206 | /* VC Format */ | |
1207 | cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT; | |
1208 | if (image_type == VIDEOSIZE_CIF) { | |
1209 | cmd.buffer.registers[i++].value = | |
1210 | (u8) (CPIA2_VC_VC_FORMAT_UFIRST | | |
1211 | CPIA2_VC_VC_FORMAT_SHORTLINE); | |
1212 | } else { | |
1213 | cmd.buffer.registers[i++].value = | |
1214 | (u8) CPIA2_VC_VC_FORMAT_UFIRST; | |
1215 | } | |
1216 | ||
1217 | /* VC Clocks */ | |
1218 | cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS; | |
1219 | if (image_type == VIDEOSIZE_QCIF) { | |
1220 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { | |
1221 | cmd.buffer.registers[i++].value= | |
1222 | (u8)(CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 | | |
1223 | CPIA2_VC_VC_672_CLOCKS_SCALING | | |
1224 | CPIA2_VC_VC_CLOCKS_LOGDIV2); | |
1225 | DBG("VC_Clocks (0xc4) should be B\n"); | |
1226 | } | |
1227 | else { | |
1228 | cmd.buffer.registers[i++].value= | |
1229 | (u8)(CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 | | |
1230 | CPIA2_VC_VC_CLOCKS_LOGDIV2); | |
1231 | } | |
1232 | } else { | |
1233 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { | |
1234 | cmd.buffer.registers[i++].value = | |
1235 | (u8) (CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 | | |
1236 | CPIA2_VC_VC_CLOCKS_LOGDIV0); | |
1237 | } | |
1238 | else { | |
1239 | cmd.buffer.registers[i++].value = | |
1240 | (u8) (CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 | | |
1241 | CPIA2_VC_VC_676_CLOCKS_SCALING | | |
1242 | CPIA2_VC_VC_CLOCKS_LOGDIV0); | |
1243 | } | |
1244 | } | |
1245 | DBG("VC_Clocks (0xc4) = 0x%0X\n", cmd.buffer.registers[i-1].value); | |
1246 | ||
1247 | /* Input reqWidth from VC */ | |
1248 | cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO; | |
1249 | if (image_type == VIDEOSIZE_QCIF) | |
1250 | cmd.buffer.registers[i++].value = | |
1251 | (u8) (STV_IMAGE_QCIF_COLS / 4); | |
1252 | else | |
1253 | cmd.buffer.registers[i++].value = | |
1254 | (u8) (STV_IMAGE_CIF_COLS / 4); | |
1255 | ||
1256 | /* Timings */ | |
1257 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI; | |
1258 | if (image_type == VIDEOSIZE_QCIF) | |
1259 | cmd.buffer.registers[i++].value = (u8) 0; | |
1260 | else | |
1261 | cmd.buffer.registers[i++].value = (u8) 1; | |
1262 | ||
1263 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO; | |
1264 | if (image_type == VIDEOSIZE_QCIF) | |
1265 | cmd.buffer.registers[i++].value = (u8) 208; | |
1266 | else | |
1267 | cmd.buffer.registers[i++].value = (u8) 160; | |
1268 | ||
1269 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI; | |
1270 | if (image_type == VIDEOSIZE_QCIF) | |
1271 | cmd.buffer.registers[i++].value = (u8) 0; | |
1272 | else | |
1273 | cmd.buffer.registers[i++].value = (u8) 1; | |
1274 | ||
1275 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO; | |
1276 | if (image_type == VIDEOSIZE_QCIF) | |
1277 | cmd.buffer.registers[i++].value = (u8) 160; | |
1278 | else | |
1279 | cmd.buffer.registers[i++].value = (u8) 64; | |
1280 | ||
1281 | /* Output Image Size */ | |
1282 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE; | |
1283 | cmd.buffer.registers[i++].value = cam->params.roi.width / 4; | |
1284 | ||
1285 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE; | |
1286 | cmd.buffer.registers[i++].value = cam->params.roi.height / 4; | |
1287 | ||
1288 | /* Cropping */ | |
1289 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP; | |
1290 | if (image_type == VIDEOSIZE_QCIF) | |
1291 | cmd.buffer.registers[i++].value = | |
1292 | (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2); | |
1293 | else | |
1294 | cmd.buffer.registers[i++].value = | |
1295 | (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2); | |
1296 | ||
1297 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP; | |
1298 | if (image_type == VIDEOSIZE_QCIF) | |
1299 | cmd.buffer.registers[i++].value = | |
1300 | (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2); | |
1301 | else | |
1302 | cmd.buffer.registers[i++].value = | |
1303 | (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2); | |
1304 | ||
1305 | /* Scaling registers (defaults) */ | |
1306 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE; | |
1307 | cmd.buffer.registers[i++].value = (u8) 0; | |
1308 | ||
1309 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE; | |
1310 | cmd.buffer.registers[i++].value = (u8) 0; | |
1311 | ||
1312 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN; | |
1313 | cmd.buffer.registers[i++].value = (u8) 31; | |
1314 | ||
1315 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN; | |
1316 | cmd.buffer.registers[i++].value = (u8) 31; | |
1317 | ||
1318 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP; | |
1319 | cmd.buffer.registers[i++].value = (u8) 0; | |
1320 | ||
1321 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP; | |
1322 | cmd.buffer.registers[i++].value = (u8) 0; | |
1323 | ||
1324 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT; | |
1325 | cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */ | |
1326 | ||
1327 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT; | |
1328 | cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */ | |
1329 | ||
1330 | cmd.reg_count = i; | |
1331 | ||
1332 | cpia2_send_command(cam, &cmd); | |
1333 | ||
1334 | return i; | |
1335 | } | |
1336 | ||
1337 | ||
1338 | /****************************************************************************** | |
1339 | * | |
1340 | * config_sensor_500(cam) | |
1341 | * | |
1342 | *****************************************************************************/ | |
1343 | static int config_sensor_500(struct camera_data *cam, | |
1344 | int req_width, int req_height) | |
1345 | { | |
1346 | struct cpia2_command cmd; | |
1347 | int i = 0; | |
1348 | int image_size = VIDEOSIZE_CIF; | |
1349 | int image_type = VIDEOSIZE_VGA; | |
1350 | int width = req_width; | |
1351 | int height = req_height; | |
1352 | unsigned int device = cam->params.pnp_id.device_type; | |
1353 | ||
1354 | image_size = cpia2_match_video_size(width, height); | |
1355 | ||
1356 | if (width > STV_IMAGE_CIF_COLS || height > STV_IMAGE_CIF_ROWS) | |
1357 | image_type = VIDEOSIZE_VGA; | |
1358 | else if (width > STV_IMAGE_QVGA_COLS || height > STV_IMAGE_QVGA_ROWS) | |
1359 | image_type = VIDEOSIZE_CIF; | |
1360 | else if (width > STV_IMAGE_QCIF_COLS || height > STV_IMAGE_QCIF_ROWS) | |
1361 | image_type = VIDEOSIZE_QVGA; | |
1362 | else | |
1363 | image_type = VIDEOSIZE_QCIF; | |
1364 | ||
1365 | if (image_size >= 0) { | |
1366 | set_vw_size(cam, image_size); | |
1367 | width = cam->params.roi.width; | |
1368 | height = cam->params.roi.height; | |
1369 | } else { | |
1370 | ERR("ConfigSensor500 failed\n"); | |
1371 | return -EINVAL; | |
1372 | } | |
1373 | ||
1374 | DBG("image_size = %d, width = %d, height = %d, type = %d\n", | |
1375 | image_size, width, height, image_type); | |
1376 | ||
1377 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
1378 | cmd.direction = TRANSFER_WRITE; | |
1379 | i = 0; | |
1380 | ||
1381 | /* VC Format */ | |
1382 | cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT; | |
1383 | cmd.buffer.registers[i].value = (u8) CPIA2_VC_VC_FORMAT_UFIRST; | |
1384 | if (image_type == VIDEOSIZE_QCIF) | |
1385 | cmd.buffer.registers[i].value |= (u8) CPIA2_VC_VC_FORMAT_DECIMATING; | |
1386 | i++; | |
1387 | ||
1388 | /* VC Clocks */ | |
1389 | cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS; | |
1390 | if (device == DEVICE_STV_672) { | |
1391 | if (image_type == VIDEOSIZE_VGA) | |
1392 | cmd.buffer.registers[i].value = | |
1393 | (u8)CPIA2_VC_VC_CLOCKS_LOGDIV1; | |
1394 | else | |
1395 | cmd.buffer.registers[i].value = | |
1396 | (u8)(CPIA2_VC_VC_672_CLOCKS_SCALING | | |
1397 | CPIA2_VC_VC_CLOCKS_LOGDIV3); | |
1398 | } else { | |
1399 | if (image_type == VIDEOSIZE_VGA) | |
1400 | cmd.buffer.registers[i].value = | |
1401 | (u8)CPIA2_VC_VC_CLOCKS_LOGDIV0; | |
1402 | else | |
1403 | cmd.buffer.registers[i].value = | |
1404 | (u8)(CPIA2_VC_VC_676_CLOCKS_SCALING | | |
1405 | CPIA2_VC_VC_CLOCKS_LOGDIV2); | |
1406 | } | |
1407 | i++; | |
1408 | ||
1409 | DBG("VC_CLOCKS = 0x%X\n", cmd.buffer.registers[i-1].value); | |
1410 | ||
1411 | /* Input width from VP */ | |
1412 | cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO; | |
1413 | if (image_type == VIDEOSIZE_VGA) | |
1414 | cmd.buffer.registers[i].value = | |
1415 | (u8) (STV_IMAGE_VGA_COLS / 4); | |
1416 | else | |
1417 | cmd.buffer.registers[i].value = | |
1418 | (u8) (STV_IMAGE_QVGA_COLS / 4); | |
1419 | i++; | |
1420 | DBG("Input width = %d\n", cmd.buffer.registers[i-1].value); | |
1421 | ||
1422 | /* Timings */ | |
1423 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI; | |
1424 | if (image_type == VIDEOSIZE_VGA) | |
1425 | cmd.buffer.registers[i++].value = (u8) 2; | |
1426 | else | |
1427 | cmd.buffer.registers[i++].value = (u8) 1; | |
1428 | ||
1429 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO; | |
1430 | if (image_type == VIDEOSIZE_VGA) | |
1431 | cmd.buffer.registers[i++].value = (u8) 250; | |
1432 | else if (image_type == VIDEOSIZE_QVGA) | |
1433 | cmd.buffer.registers[i++].value = (u8) 125; | |
1434 | else | |
1435 | cmd.buffer.registers[i++].value = (u8) 160; | |
1436 | ||
1437 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI; | |
1438 | if (image_type == VIDEOSIZE_VGA) | |
1439 | cmd.buffer.registers[i++].value = (u8) 2; | |
1440 | else | |
1441 | cmd.buffer.registers[i++].value = (u8) 1; | |
1442 | ||
1443 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO; | |
1444 | if (image_type == VIDEOSIZE_VGA) | |
1445 | cmd.buffer.registers[i++].value = (u8) 12; | |
1446 | else if (image_type == VIDEOSIZE_QVGA) | |
1447 | cmd.buffer.registers[i++].value = (u8) 64; | |
1448 | else | |
1449 | cmd.buffer.registers[i++].value = (u8) 6; | |
1450 | ||
1451 | /* Output Image Size */ | |
1452 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE; | |
1453 | if (image_type == VIDEOSIZE_QCIF) | |
1454 | cmd.buffer.registers[i++].value = STV_IMAGE_CIF_COLS / 4; | |
1455 | else | |
1456 | cmd.buffer.registers[i++].value = width / 4; | |
1457 | ||
1458 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE; | |
1459 | if (image_type == VIDEOSIZE_QCIF) | |
1460 | cmd.buffer.registers[i++].value = STV_IMAGE_CIF_ROWS / 4; | |
1461 | else | |
1462 | cmd.buffer.registers[i++].value = height / 4; | |
1463 | ||
1464 | /* Cropping */ | |
1465 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP; | |
1466 | if (image_type == VIDEOSIZE_VGA) | |
1467 | cmd.buffer.registers[i++].value = | |
1468 | (u8) (((STV_IMAGE_VGA_COLS / 4) - (width / 4)) / 2); | |
1469 | else if (image_type == VIDEOSIZE_QVGA) | |
1470 | cmd.buffer.registers[i++].value = | |
1471 | (u8) (((STV_IMAGE_QVGA_COLS / 4) - (width / 4)) / 2); | |
1472 | else if (image_type == VIDEOSIZE_CIF) | |
1473 | cmd.buffer.registers[i++].value = | |
1474 | (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2); | |
1475 | else /*if (image_type == VIDEOSIZE_QCIF)*/ | |
1476 | cmd.buffer.registers[i++].value = | |
1477 | (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2); | |
1478 | ||
1479 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP; | |
1480 | if (image_type == VIDEOSIZE_VGA) | |
1481 | cmd.buffer.registers[i++].value = | |
1482 | (u8) (((STV_IMAGE_VGA_ROWS / 4) - (height / 4)) / 2); | |
1483 | else if (image_type == VIDEOSIZE_QVGA) | |
1484 | cmd.buffer.registers[i++].value = | |
1485 | (u8) (((STV_IMAGE_QVGA_ROWS / 4) - (height / 4)) / 2); | |
1486 | else if (image_type == VIDEOSIZE_CIF) | |
1487 | cmd.buffer.registers[i++].value = | |
1488 | (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2); | |
1489 | else /*if (image_type == VIDEOSIZE_QCIF)*/ | |
1490 | cmd.buffer.registers[i++].value = | |
1491 | (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2); | |
1492 | ||
1493 | /* Scaling registers (defaults) */ | |
1494 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE; | |
1495 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1496 | cmd.buffer.registers[i++].value = (u8) 36; | |
1497 | else | |
1498 | cmd.buffer.registers[i++].value = (u8) 0; | |
1499 | ||
1500 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE; | |
1501 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1502 | cmd.buffer.registers[i++].value = (u8) 32; | |
1503 | else | |
1504 | cmd.buffer.registers[i++].value = (u8) 0; | |
1505 | ||
1506 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN; | |
1507 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1508 | cmd.buffer.registers[i++].value = (u8) 26; | |
1509 | else | |
1510 | cmd.buffer.registers[i++].value = (u8) 31; | |
1511 | ||
1512 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN; | |
1513 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1514 | cmd.buffer.registers[i++].value = (u8) 21; | |
1515 | else | |
1516 | cmd.buffer.registers[i++].value = (u8) 31; | |
1517 | ||
1518 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP; | |
1519 | cmd.buffer.registers[i++].value = (u8) 0; | |
1520 | ||
1521 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP; | |
1522 | cmd.buffer.registers[i++].value = (u8) 0; | |
1523 | ||
1524 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT; | |
1525 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1526 | cmd.buffer.registers[i++].value = (u8) 0x2B; /* 2/11 */ | |
1527 | else | |
1528 | cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */ | |
1529 | ||
1530 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT; | |
1531 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1532 | cmd.buffer.registers[i++].value = (u8) 0x13; /* 1/3 */ | |
1533 | else | |
1534 | cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */ | |
1535 | ||
1536 | cmd.reg_count = i; | |
1537 | ||
1538 | cpia2_send_command(cam, &cmd); | |
1539 | ||
1540 | return i; | |
1541 | } | |
1542 | ||
1543 | ||
1544 | /****************************************************************************** | |
1545 | * | |
1546 | * setallproperties | |
1547 | * | |
1548 | * This sets all user changeable properties to the values in cam->params. | |
1549 | *****************************************************************************/ | |
d45b9b8a | 1550 | static int set_all_properties(struct camera_data *cam) |
ab33d507 AC |
1551 | { |
1552 | /** | |
1553 | * Don't set target_kb here, it will be set later. | |
1554 | * framerate and user_mode were already set (set_default_user_mode). | |
1555 | **/ | |
1556 | ||
ab33d507 AC |
1557 | cpia2_usb_change_streaming_alternate(cam, |
1558 | cam->params.camera_state.stream_mode); | |
1559 | ||
ab33d507 AC |
1560 | cpia2_do_command(cam, |
1561 | CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, | |
1562 | TRANSFER_WRITE, cam->params.vp_params.gpio_direction); | |
1563 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA, TRANSFER_WRITE, | |
1564 | cam->params.vp_params.gpio_data); | |
1565 | ||
6c493f8b HV |
1566 | v4l2_ctrl_handler_setup(&cam->hdl); |
1567 | ||
ab33d507 AC |
1568 | wake_system(cam); |
1569 | ||
1570 | set_lowlight_boost(cam); | |
1571 | ||
1572 | return 0; | |
1573 | } | |
1574 | ||
1575 | /****************************************************************************** | |
1576 | * | |
1577 | * cpia2_save_camera_state | |
1578 | * | |
1579 | *****************************************************************************/ | |
1580 | void cpia2_save_camera_state(struct camera_data *cam) | |
1581 | { | |
ab33d507 AC |
1582 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); |
1583 | cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION, TRANSFER_READ, | |
1584 | 0); | |
1585 | cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DATA, TRANSFER_READ, 0); | |
1586 | /* Don't get framerate or target_kb. Trust the values we already have */ | |
1587 | } | |
1588 | ||
ab33d507 AC |
1589 | |
1590 | /****************************************************************************** | |
1591 | * | |
1592 | * cpia2_set_flicker_mode | |
1593 | * | |
1594 | *****************************************************************************/ | |
1595 | int cpia2_set_flicker_mode(struct camera_data *cam, int mode) | |
1596 | { | |
1597 | unsigned char cam_reg; | |
1598 | int err = 0; | |
1599 | ||
1600 | if(cam->params.pnp_id.device_type != DEVICE_STV_672) | |
1601 | return -EINVAL; | |
1602 | ||
1603 | /* Set the appropriate bits in FLICKER_MODES, preserving the rest */ | |
1604 | if((err = cpia2_do_command(cam, CPIA2_CMD_GET_FLICKER_MODES, | |
1605 | TRANSFER_READ, 0))) | |
1606 | return err; | |
1607 | cam_reg = cam->params.flicker_control.cam_register; | |
1608 | ||
1609 | switch(mode) { | |
1610 | case NEVER_FLICKER: | |
1611 | cam_reg |= CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; | |
1612 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ; | |
1613 | break; | |
1614 | case FLICKER_60: | |
1615 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; | |
1616 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ; | |
1617 | break; | |
1618 | case FLICKER_50: | |
1619 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; | |
1620 | cam_reg |= CPIA2_VP_FLICKER_MODES_50HZ; | |
1621 | break; | |
1622 | default: | |
1623 | return -EINVAL; | |
1624 | } | |
1625 | ||
1626 | if((err = cpia2_do_command(cam, CPIA2_CMD_SET_FLICKER_MODES, | |
1627 | TRANSFER_WRITE, cam_reg))) | |
1628 | return err; | |
1629 | ||
1630 | /* Set the appropriate bits in EXP_MODES, preserving the rest */ | |
1631 | if((err = cpia2_do_command(cam, CPIA2_CMD_GET_VP_EXP_MODES, | |
1632 | TRANSFER_READ, 0))) | |
1633 | return err; | |
1634 | cam_reg = cam->params.vp_params.exposure_modes; | |
1635 | ||
1636 | if (mode == NEVER_FLICKER) { | |
1637 | cam_reg |= CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER; | |
1638 | } else { | |
1639 | cam_reg &= ~CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER; | |
1640 | } | |
1641 | ||
1642 | if((err = cpia2_do_command(cam, CPIA2_CMD_SET_VP_EXP_MODES, | |
1643 | TRANSFER_WRITE, cam_reg))) | |
1644 | return err; | |
1645 | ||
1646 | if((err = cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4, | |
1647 | TRANSFER_WRITE, 1))) | |
1648 | return err; | |
1649 | ||
1650 | switch(mode) { | |
1651 | case NEVER_FLICKER: | |
ab33d507 | 1652 | case FLICKER_60: |
ab33d507 AC |
1653 | case FLICKER_50: |
1654 | cam->params.flicker_control.flicker_mode_req = mode; | |
ab33d507 AC |
1655 | break; |
1656 | default: | |
1657 | err = -EINVAL; | |
1658 | } | |
1659 | ||
1660 | return err; | |
1661 | } | |
1662 | ||
1663 | /****************************************************************************** | |
1664 | * | |
1665 | * cpia2_set_property_flip | |
1666 | * | |
1667 | *****************************************************************************/ | |
1668 | void cpia2_set_property_flip(struct camera_data *cam, int prop_val) | |
1669 | { | |
1670 | unsigned char cam_reg; | |
1671 | ||
1672 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); | |
1673 | cam_reg = cam->params.vp_params.user_effects; | |
1674 | ||
1675 | if (prop_val) | |
1676 | { | |
1677 | cam_reg |= CPIA2_VP_USER_EFFECTS_FLIP; | |
1678 | } | |
1679 | else | |
1680 | { | |
1681 | cam_reg &= ~CPIA2_VP_USER_EFFECTS_FLIP; | |
1682 | } | |
6c493f8b | 1683 | cam->params.vp_params.user_effects = cam_reg; |
ab33d507 AC |
1684 | cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE, |
1685 | cam_reg); | |
1686 | } | |
1687 | ||
1688 | /****************************************************************************** | |
1689 | * | |
1690 | * cpia2_set_property_mirror | |
1691 | * | |
1692 | *****************************************************************************/ | |
1693 | void cpia2_set_property_mirror(struct camera_data *cam, int prop_val) | |
1694 | { | |
1695 | unsigned char cam_reg; | |
1696 | ||
1697 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); | |
1698 | cam_reg = cam->params.vp_params.user_effects; | |
1699 | ||
1700 | if (prop_val) | |
1701 | { | |
1702 | cam_reg |= CPIA2_VP_USER_EFFECTS_MIRROR; | |
1703 | } | |
1704 | else | |
1705 | { | |
1706 | cam_reg &= ~CPIA2_VP_USER_EFFECTS_MIRROR; | |
1707 | } | |
6c493f8b | 1708 | cam->params.vp_params.user_effects = cam_reg; |
ab33d507 AC |
1709 | cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE, |
1710 | cam_reg); | |
1711 | } | |
1712 | ||
ab33d507 AC |
1713 | /****************************************************************************** |
1714 | * | |
1715 | * cpia2_set_gpio | |
1716 | * | |
1717 | *****************************************************************************/ | |
1718 | int cpia2_set_gpio(struct camera_data *cam, unsigned char setting) | |
1719 | { | |
1720 | int ret; | |
1721 | ||
1722 | /* Set the microport direction (register 0x90, should be defined | |
1723 | * already) to 1 (user output), and set the microport data (0x91) to | |
1724 | * the value in the ioctl argument. | |
1725 | */ | |
1726 | ||
1727 | ret = cpia2_do_command(cam, | |
1728 | CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, | |
1729 | CPIA2_VC_MP_DIR_OUTPUT, | |
1730 | 255); | |
1731 | if (ret < 0) | |
1732 | return ret; | |
1733 | cam->params.vp_params.gpio_direction = 255; | |
1734 | ||
1735 | ret = cpia2_do_command(cam, | |
1736 | CPIA2_CMD_SET_VC_MP_GPIO_DATA, | |
1737 | CPIA2_VC_MP_DIR_OUTPUT, | |
1738 | setting); | |
1739 | if (ret < 0) | |
1740 | return ret; | |
1741 | cam->params.vp_params.gpio_data = setting; | |
1742 | ||
1743 | return 0; | |
1744 | } | |
1745 | ||
1746 | /****************************************************************************** | |
1747 | * | |
1748 | * cpia2_set_fps | |
1749 | * | |
1750 | *****************************************************************************/ | |
1751 | int cpia2_set_fps(struct camera_data *cam, int framerate) | |
1752 | { | |
1753 | int retval; | |
1754 | ||
1755 | switch(framerate) { | |
1756 | case CPIA2_VP_FRAMERATE_30: | |
1757 | case CPIA2_VP_FRAMERATE_25: | |
1758 | if(cam->params.pnp_id.device_type == DEVICE_STV_672 && | |
1759 | cam->params.version.sensor_flags == | |
1760 | CPIA2_VP_SENSOR_FLAGS_500) { | |
1761 | return -EINVAL; | |
1762 | } | |
1763 | /* Fall through */ | |
1764 | case CPIA2_VP_FRAMERATE_15: | |
1765 | case CPIA2_VP_FRAMERATE_12_5: | |
1766 | case CPIA2_VP_FRAMERATE_7_5: | |
1767 | case CPIA2_VP_FRAMERATE_6_25: | |
1768 | break; | |
1769 | default: | |
1770 | return -EINVAL; | |
1771 | } | |
1772 | ||
1773 | if (cam->params.pnp_id.device_type == DEVICE_STV_672 && | |
1774 | framerate == CPIA2_VP_FRAMERATE_15) | |
1775 | framerate = 0; /* Work around bug in VP4 */ | |
1776 | ||
1777 | retval = cpia2_do_command(cam, | |
1778 | CPIA2_CMD_FRAMERATE_REQ, | |
1779 | TRANSFER_WRITE, | |
1780 | framerate); | |
1781 | ||
1782 | if(retval == 0) | |
1783 | cam->params.vp_params.frame_rate = framerate; | |
1784 | ||
1785 | return retval; | |
1786 | } | |
1787 | ||
1788 | /****************************************************************************** | |
1789 | * | |
1790 | * cpia2_set_brightness | |
1791 | * | |
1792 | *****************************************************************************/ | |
1793 | void cpia2_set_brightness(struct camera_data *cam, unsigned char value) | |
1794 | { | |
1795 | /*** | |
1796 | * Don't let the register be set to zero - bug in VP4 - flash of full | |
1797 | * brightness | |
1798 | ***/ | |
1799 | if (cam->params.pnp_id.device_type == DEVICE_STV_672 && value == 0) | |
1800 | value++; | |
1801 | DBG("Setting brightness to %d (0x%0x)\n", value, value); | |
6c493f8b | 1802 | cpia2_do_command(cam, CPIA2_CMD_SET_VP_BRIGHTNESS, TRANSFER_WRITE, value); |
ab33d507 AC |
1803 | } |
1804 | ||
1805 | /****************************************************************************** | |
1806 | * | |
1807 | * cpia2_set_contrast | |
1808 | * | |
1809 | *****************************************************************************/ | |
1810 | void cpia2_set_contrast(struct camera_data *cam, unsigned char value) | |
1811 | { | |
1812 | DBG("Setting contrast to %d (0x%0x)\n", value, value); | |
ab33d507 AC |
1813 | cpia2_do_command(cam, CPIA2_CMD_SET_CONTRAST, TRANSFER_WRITE, value); |
1814 | } | |
1815 | ||
1816 | /****************************************************************************** | |
1817 | * | |
1818 | * cpia2_set_saturation | |
1819 | * | |
1820 | *****************************************************************************/ | |
1821 | void cpia2_set_saturation(struct camera_data *cam, unsigned char value) | |
1822 | { | |
1823 | DBG("Setting saturation to %d (0x%0x)\n", value, value); | |
ab33d507 AC |
1824 | cpia2_do_command(cam,CPIA2_CMD_SET_VP_SATURATION, TRANSFER_WRITE,value); |
1825 | } | |
1826 | ||
1827 | /****************************************************************************** | |
1828 | * | |
1829 | * wake_system | |
1830 | * | |
1831 | *****************************************************************************/ | |
d45b9b8a | 1832 | static void wake_system(struct camera_data *cam) |
ab33d507 AC |
1833 | { |
1834 | cpia2_do_command(cam, CPIA2_CMD_SET_WAKEUP, TRANSFER_WRITE, 0); | |
1835 | } | |
1836 | ||
1837 | /****************************************************************************** | |
1838 | * | |
1839 | * set_lowlight_boost | |
1840 | * | |
1841 | * Valid for STV500 sensor only | |
1842 | *****************************************************************************/ | |
d45b9b8a | 1843 | static void set_lowlight_boost(struct camera_data *cam) |
ab33d507 AC |
1844 | { |
1845 | struct cpia2_command cmd; | |
1846 | ||
1847 | if (cam->params.pnp_id.device_type != DEVICE_STV_672 || | |
1848 | cam->params.version.sensor_flags != CPIA2_VP_SENSOR_FLAGS_500) | |
1849 | return; | |
1850 | ||
1851 | cmd.direction = TRANSFER_WRITE; | |
1852 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
1853 | cmd.reg_count = 3; | |
1854 | cmd.start = CPIA2_VP_RAM_ADDR_H; | |
1855 | ||
1856 | cmd.buffer.block_data[0] = 0; /* High byte of address to write to */ | |
1857 | cmd.buffer.block_data[1] = 0x59; /* Low byte of address to write to */ | |
1858 | cmd.buffer.block_data[2] = 0; /* High byte of data to write */ | |
1859 | ||
1860 | cpia2_send_command(cam, &cmd); | |
1861 | ||
1862 | if (cam->params.vp_params.lowlight_boost) { | |
1863 | cmd.buffer.block_data[0] = 0x02; /* Low byte data to write */ | |
1864 | } else { | |
1865 | cmd.buffer.block_data[0] = 0x06; | |
1866 | } | |
1867 | cmd.start = CPIA2_VP_RAM_DATA; | |
1868 | cmd.reg_count = 1; | |
1869 | cpia2_send_command(cam, &cmd); | |
1870 | ||
1871 | /* Rehash the VP4 values */ | |
1872 | cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4, TRANSFER_WRITE, 1); | |
1873 | } | |
1874 | ||
1875 | /****************************************************************************** | |
1876 | * | |
1877 | * cpia2_set_format | |
1878 | * | |
1879 | * Assumes that new size is already set in param struct. | |
1880 | *****************************************************************************/ | |
1881 | void cpia2_set_format(struct camera_data *cam) | |
1882 | { | |
1883 | cam->flush = true; | |
1884 | ||
1885 | cpia2_usb_stream_pause(cam); | |
1886 | ||
1887 | /* reset camera to new size */ | |
1888 | cpia2_set_low_power(cam); | |
1889 | cpia2_reset_camera(cam); | |
1890 | cam->flush = false; | |
1891 | ||
1892 | cpia2_dbg_dump_registers(cam); | |
1893 | ||
1894 | cpia2_usb_stream_resume(cam); | |
1895 | } | |
1896 | ||
1897 | /****************************************************************************** | |
1898 | * | |
1899 | * cpia2_dbg_dump_registers | |
1900 | * | |
1901 | *****************************************************************************/ | |
1902 | void cpia2_dbg_dump_registers(struct camera_data *cam) | |
1903 | { | |
1904 | #ifdef _CPIA2_DEBUG_ | |
1905 | struct cpia2_command cmd; | |
1906 | ||
1907 | if (!(debugs_on & DEBUG_DUMP_REGS)) | |
1908 | return; | |
1909 | ||
1910 | cmd.direction = TRANSFER_READ; | |
1911 | ||
1912 | /* Start with bank 0 (SYSTEM) */ | |
1913 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
1914 | cmd.reg_count = 3; | |
1915 | cmd.start = 0; | |
1916 | cpia2_send_command(cam, &cmd); | |
1917 | printk(KERN_DEBUG "System Device Hi = 0x%X\n", | |
1918 | cmd.buffer.block_data[0]); | |
1919 | printk(KERN_DEBUG "System Device Lo = 0x%X\n", | |
1920 | cmd.buffer.block_data[1]); | |
1921 | printk(KERN_DEBUG "System_system control = 0x%X\n", | |
1922 | cmd.buffer.block_data[2]); | |
1923 | ||
1924 | /* Bank 1 (VC) */ | |
1925 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
1926 | cmd.reg_count = 4; | |
1927 | cmd.start = 0x80; | |
1928 | cpia2_send_command(cam, &cmd); | |
1929 | printk(KERN_DEBUG "ASIC_ID = 0x%X\n", | |
1930 | cmd.buffer.block_data[0]); | |
1931 | printk(KERN_DEBUG "ASIC_REV = 0x%X\n", | |
1932 | cmd.buffer.block_data[1]); | |
1933 | printk(KERN_DEBUG "PW_CONTRL = 0x%X\n", | |
1934 | cmd.buffer.block_data[2]); | |
1935 | printk(KERN_DEBUG "WAKEUP = 0x%X\n", | |
1936 | cmd.buffer.block_data[3]); | |
1937 | ||
1938 | cmd.start = 0xA0; /* ST_CTRL */ | |
1939 | cmd.reg_count = 1; | |
1940 | cpia2_send_command(cam, &cmd); | |
1941 | printk(KERN_DEBUG "Stream ctrl = 0x%X\n", | |
1942 | cmd.buffer.block_data[0]); | |
1943 | ||
1944 | cmd.start = 0xA4; /* Stream status */ | |
1945 | cpia2_send_command(cam, &cmd); | |
1946 | printk(KERN_DEBUG "Stream status = 0x%X\n", | |
1947 | cmd.buffer.block_data[0]); | |
1948 | ||
1949 | cmd.start = 0xA8; /* USB status */ | |
1950 | cmd.reg_count = 3; | |
1951 | cpia2_send_command(cam, &cmd); | |
1952 | printk(KERN_DEBUG "USB_CTRL = 0x%X\n", | |
1953 | cmd.buffer.block_data[0]); | |
1954 | printk(KERN_DEBUG "USB_STRM = 0x%X\n", | |
1955 | cmd.buffer.block_data[1]); | |
1956 | printk(KERN_DEBUG "USB_STATUS = 0x%X\n", | |
1957 | cmd.buffer.block_data[2]); | |
1958 | ||
1959 | cmd.start = 0xAF; /* USB settings */ | |
1960 | cmd.reg_count = 1; | |
1961 | cpia2_send_command(cam, &cmd); | |
1962 | printk(KERN_DEBUG "USB settings = 0x%X\n", | |
1963 | cmd.buffer.block_data[0]); | |
1964 | ||
1965 | cmd.start = 0xC0; /* VC stuff */ | |
1966 | cmd.reg_count = 26; | |
1967 | cpia2_send_command(cam, &cmd); | |
1968 | printk(KERN_DEBUG "VC Control = 0x%0X\n", | |
1969 | cmd.buffer.block_data[0]); | |
1970 | printk(KERN_DEBUG "VC Format = 0x%0X\n", | |
1971 | cmd.buffer.block_data[3]); | |
1972 | printk(KERN_DEBUG "VC Clocks = 0x%0X\n", | |
1973 | cmd.buffer.block_data[4]); | |
1974 | printk(KERN_DEBUG "VC IHSize = 0x%0X\n", | |
1975 | cmd.buffer.block_data[5]); | |
1976 | printk(KERN_DEBUG "VC Xlim Hi = 0x%0X\n", | |
1977 | cmd.buffer.block_data[6]); | |
1978 | printk(KERN_DEBUG "VC XLim Lo = 0x%0X\n", | |
1979 | cmd.buffer.block_data[7]); | |
1980 | printk(KERN_DEBUG "VC YLim Hi = 0x%0X\n", | |
1981 | cmd.buffer.block_data[8]); | |
1982 | printk(KERN_DEBUG "VC YLim Lo = 0x%0X\n", | |
1983 | cmd.buffer.block_data[9]); | |
1984 | printk(KERN_DEBUG "VC OHSize = 0x%0X\n", | |
1985 | cmd.buffer.block_data[10]); | |
1986 | printk(KERN_DEBUG "VC OVSize = 0x%0X\n", | |
1987 | cmd.buffer.block_data[11]); | |
1988 | printk(KERN_DEBUG "VC HCrop = 0x%0X\n", | |
1989 | cmd.buffer.block_data[12]); | |
1990 | printk(KERN_DEBUG "VC VCrop = 0x%0X\n", | |
1991 | cmd.buffer.block_data[13]); | |
1992 | printk(KERN_DEBUG "VC HPhase = 0x%0X\n", | |
1993 | cmd.buffer.block_data[14]); | |
1994 | printk(KERN_DEBUG "VC VPhase = 0x%0X\n", | |
1995 | cmd.buffer.block_data[15]); | |
1996 | printk(KERN_DEBUG "VC HIspan = 0x%0X\n", | |
1997 | cmd.buffer.block_data[16]); | |
1998 | printk(KERN_DEBUG "VC VIspan = 0x%0X\n", | |
1999 | cmd.buffer.block_data[17]); | |
2000 | printk(KERN_DEBUG "VC HiCrop = 0x%0X\n", | |
2001 | cmd.buffer.block_data[18]); | |
2002 | printk(KERN_DEBUG "VC ViCrop = 0x%0X\n", | |
2003 | cmd.buffer.block_data[19]); | |
2004 | printk(KERN_DEBUG "VC HiFract = 0x%0X\n", | |
2005 | cmd.buffer.block_data[20]); | |
2006 | printk(KERN_DEBUG "VC ViFract = 0x%0X\n", | |
2007 | cmd.buffer.block_data[21]); | |
2008 | printk(KERN_DEBUG "VC JPeg Opt = 0x%0X\n", | |
2009 | cmd.buffer.block_data[22]); | |
2010 | printk(KERN_DEBUG "VC Creep Per = 0x%0X\n", | |
2011 | cmd.buffer.block_data[23]); | |
2012 | printk(KERN_DEBUG "VC User Sq. = 0x%0X\n", | |
2013 | cmd.buffer.block_data[24]); | |
2014 | printk(KERN_DEBUG "VC Target KB = 0x%0X\n", | |
2015 | cmd.buffer.block_data[25]); | |
2016 | ||
2017 | /*** VP ***/ | |
2018 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
2019 | cmd.reg_count = 14; | |
2020 | cmd.start = 0; | |
2021 | cpia2_send_command(cam, &cmd); | |
2022 | ||
2023 | printk(KERN_DEBUG "VP Dev Hi = 0x%0X\n", | |
2024 | cmd.buffer.block_data[0]); | |
2025 | printk(KERN_DEBUG "VP Dev Lo = 0x%0X\n", | |
2026 | cmd.buffer.block_data[1]); | |
2027 | printk(KERN_DEBUG "VP Sys State = 0x%0X\n", | |
2028 | cmd.buffer.block_data[2]); | |
2029 | printk(KERN_DEBUG "VP Sys Ctrl = 0x%0X\n", | |
2030 | cmd.buffer.block_data[3]); | |
2031 | printk(KERN_DEBUG "VP Sensor flg = 0x%0X\n", | |
2032 | cmd.buffer.block_data[5]); | |
2033 | printk(KERN_DEBUG "VP Sensor Rev = 0x%0X\n", | |
2034 | cmd.buffer.block_data[6]); | |
2035 | printk(KERN_DEBUG "VP Dev Config = 0x%0X\n", | |
2036 | cmd.buffer.block_data[7]); | |
2037 | printk(KERN_DEBUG "VP GPIO_DIR = 0x%0X\n", | |
2038 | cmd.buffer.block_data[8]); | |
2039 | printk(KERN_DEBUG "VP GPIO_DATA = 0x%0X\n", | |
2040 | cmd.buffer.block_data[9]); | |
2041 | printk(KERN_DEBUG "VP Ram ADDR H = 0x%0X\n", | |
2042 | cmd.buffer.block_data[10]); | |
2043 | printk(KERN_DEBUG "VP Ram ADDR L = 0x%0X\n", | |
2044 | cmd.buffer.block_data[11]); | |
2045 | printk(KERN_DEBUG "VP RAM Data = 0x%0X\n", | |
2046 | cmd.buffer.block_data[12]); | |
2047 | printk(KERN_DEBUG "Do Call = 0x%0X\n", | |
2048 | cmd.buffer.block_data[13]); | |
2049 | ||
2050 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { | |
2051 | cmd.reg_count = 9; | |
2052 | cmd.start = 0x0E; | |
2053 | cpia2_send_command(cam, &cmd); | |
2054 | printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n", | |
2055 | cmd.buffer.block_data[0]); | |
2056 | printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n", | |
2057 | cmd.buffer.block_data[1]); | |
2058 | printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n", | |
2059 | cmd.buffer.block_data[2]); | |
2060 | printk(KERN_DEBUG "VP Framerate = 0x%0X\n", | |
2061 | cmd.buffer.block_data[3]); | |
2062 | printk(KERN_DEBUG "VP UserEffect = 0x%0X\n", | |
2063 | cmd.buffer.block_data[4]); | |
2064 | printk(KERN_DEBUG "VP White Bal = 0x%0X\n", | |
2065 | cmd.buffer.block_data[5]); | |
2066 | printk(KERN_DEBUG "VP WB thresh = 0x%0X\n", | |
2067 | cmd.buffer.block_data[6]); | |
2068 | printk(KERN_DEBUG "VP Exp Modes = 0x%0X\n", | |
2069 | cmd.buffer.block_data[7]); | |
2070 | printk(KERN_DEBUG "VP Exp Target = 0x%0X\n", | |
2071 | cmd.buffer.block_data[8]); | |
2072 | ||
2073 | cmd.reg_count = 1; | |
2074 | cmd.start = 0x1B; | |
2075 | cpia2_send_command(cam, &cmd); | |
2076 | printk(KERN_DEBUG "VP FlickerMds = 0x%0X\n", | |
2077 | cmd.buffer.block_data[0]); | |
2078 | } else { | |
2079 | cmd.reg_count = 8 ; | |
2080 | cmd.start = 0x0E; | |
2081 | cpia2_send_command(cam, &cmd); | |
2082 | printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n", | |
2083 | cmd.buffer.block_data[0]); | |
2084 | printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n", | |
2085 | cmd.buffer.block_data[1]); | |
2086 | printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n", | |
2087 | cmd.buffer.block_data[5]); | |
2088 | printk(KERN_DEBUG "VP Framerate = 0x%0X\n", | |
2089 | cmd.buffer.block_data[6]); | |
2090 | printk(KERN_DEBUG "VP UserEffect = 0x%0X\n", | |
2091 | cmd.buffer.block_data[7]); | |
2092 | ||
2093 | cmd.reg_count = 1; | |
2094 | cmd.start = CPIA2_VP5_EXPOSURE_TARGET; | |
2095 | cpia2_send_command(cam, &cmd); | |
2096 | printk(KERN_DEBUG "VP5 Exp Target= 0x%0X\n", | |
2097 | cmd.buffer.block_data[0]); | |
2098 | ||
2099 | cmd.reg_count = 4; | |
2100 | cmd.start = 0x3A; | |
2101 | cpia2_send_command(cam, &cmd); | |
2102 | printk(KERN_DEBUG "VP5 MY Black = 0x%0X\n", | |
2103 | cmd.buffer.block_data[0]); | |
2104 | printk(KERN_DEBUG "VP5 MCY Range = 0x%0X\n", | |
2105 | cmd.buffer.block_data[1]); | |
2106 | printk(KERN_DEBUG "VP5 MYCEILING = 0x%0X\n", | |
2107 | cmd.buffer.block_data[2]); | |
2108 | printk(KERN_DEBUG "VP5 MCUV Sat = 0x%0X\n", | |
2109 | cmd.buffer.block_data[3]); | |
2110 | } | |
2111 | #endif | |
2112 | } | |
2113 | ||
2114 | /****************************************************************************** | |
2115 | * | |
2116 | * reset_camera_struct | |
2117 | * | |
2118 | * Sets all values to the defaults | |
2119 | *****************************************************************************/ | |
d45b9b8a | 2120 | static void reset_camera_struct(struct camera_data *cam) |
ab33d507 AC |
2121 | { |
2122 | /*** | |
2123 | * The following parameter values are the defaults from the register map. | |
2124 | ***/ | |
ab33d507 AC |
2125 | cam->params.vp_params.lowlight_boost = 0; |
2126 | ||
2127 | /* FlickerModes */ | |
2128 | cam->params.flicker_control.flicker_mode_req = NEVER_FLICKER; | |
ab33d507 AC |
2129 | |
2130 | /* jpeg params */ | |
2131 | cam->params.compression.jpeg_options = CPIA2_VC_VC_JPEG_OPT_DEFAULT; | |
2132 | cam->params.compression.creep_period = 2; | |
2133 | cam->params.compression.user_squeeze = 20; | |
2134 | cam->params.compression.inhibit_htables = false; | |
2135 | ||
2136 | /* gpio params */ | |
2137 | cam->params.vp_params.gpio_direction = 0; /* write, the default safe mode */ | |
2138 | cam->params.vp_params.gpio_data = 0; | |
2139 | ||
2140 | /* Target kb params */ | |
6c493f8b | 2141 | cam->params.vc_params.quality = 100; |
ab33d507 AC |
2142 | |
2143 | /*** | |
2144 | * Set Sensor FPS as fast as possible. | |
2145 | ***/ | |
2146 | if(cam->params.pnp_id.device_type == DEVICE_STV_672) { | |
2147 | if(cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500) | |
2148 | cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_15; | |
2149 | else | |
2150 | cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30; | |
2151 | } else { | |
2152 | cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30; | |
2153 | } | |
2154 | ||
2155 | /*** | |
2156 | * Set default video mode as large as possible : | |
2157 | * for vga sensor set to vga, for cif sensor set to CIF. | |
2158 | ***/ | |
2159 | if (cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500) { | |
2160 | cam->sensor_type = CPIA2_SENSOR_500; | |
2161 | cam->video_size = VIDEOSIZE_VGA; | |
2162 | cam->params.roi.width = STV_IMAGE_VGA_COLS; | |
2163 | cam->params.roi.height = STV_IMAGE_VGA_ROWS; | |
2164 | } else { | |
2165 | cam->sensor_type = CPIA2_SENSOR_410; | |
2166 | cam->video_size = VIDEOSIZE_CIF; | |
2167 | cam->params.roi.width = STV_IMAGE_CIF_COLS; | |
2168 | cam->params.roi.height = STV_IMAGE_CIF_ROWS; | |
2169 | } | |
2170 | ||
873ecd8f HV |
2171 | cam->width = cam->params.roi.width; |
2172 | cam->height = cam->params.roi.height; | |
ab33d507 AC |
2173 | } |
2174 | ||
2175 | /****************************************************************************** | |
2176 | * | |
2177 | * cpia2_init_camera_struct | |
2178 | * | |
2179 | * Initializes camera struct, does not call reset to fill in defaults. | |
2180 | *****************************************************************************/ | |
6c493f8b | 2181 | struct camera_data *cpia2_init_camera_struct(struct usb_interface *intf) |
ab33d507 AC |
2182 | { |
2183 | struct camera_data *cam; | |
2184 | ||
dd00cc48 | 2185 | cam = kzalloc(sizeof(*cam), GFP_KERNEL); |
ab33d507 AC |
2186 | |
2187 | if (!cam) { | |
2188 | ERR("couldn't kmalloc cpia2 struct\n"); | |
2189 | return NULL; | |
2190 | } | |
2191 | ||
6c493f8b HV |
2192 | cam->v4l2_dev.release = cpia2_camera_release; |
2193 | if (v4l2_device_register(&intf->dev, &cam->v4l2_dev) < 0) { | |
2194 | v4l2_err(&cam->v4l2_dev, "couldn't register v4l2_device\n"); | |
2195 | kfree(cam); | |
2196 | return NULL; | |
2197 | } | |
ab33d507 | 2198 | |
d2db8fee | 2199 | mutex_init(&cam->v4l2_lock); |
ab33d507 AC |
2200 | init_waitqueue_head(&cam->wq_stream); |
2201 | ||
2202 | return cam; | |
2203 | } | |
2204 | ||
2205 | /****************************************************************************** | |
2206 | * | |
2207 | * cpia2_init_camera | |
2208 | * | |
2209 | * Initializes camera. | |
2210 | *****************************************************************************/ | |
2211 | int cpia2_init_camera(struct camera_data *cam) | |
2212 | { | |
2213 | DBG("Start\n"); | |
2214 | ||
2215 | cam->mmapped = false; | |
2216 | ||
2217 | /* Get sensor and asic types before reset. */ | |
2218 | cpia2_set_high_power(cam); | |
2219 | cpia2_get_version_info(cam); | |
2220 | if (cam->params.version.asic_id != CPIA2_ASIC_672) { | |
2221 | ERR("Device IO error (asicID has incorrect value of 0x%X\n", | |
2222 | cam->params.version.asic_id); | |
2223 | return -ENODEV; | |
2224 | } | |
2225 | ||
2226 | /* Set GPIO direction and data to a safe state. */ | |
2227 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, | |
2228 | TRANSFER_WRITE, 0); | |
2229 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA, | |
2230 | TRANSFER_WRITE, 0); | |
2231 | ||
2232 | /* resetting struct requires version info for sensor and asic types */ | |
2233 | reset_camera_struct(cam); | |
2234 | ||
2235 | cpia2_set_low_power(cam); | |
2236 | ||
2237 | DBG("End\n"); | |
2238 | ||
2239 | return 0; | |
2240 | } | |
2241 | ||
2242 | /****************************************************************************** | |
2243 | * | |
2244 | * cpia2_allocate_buffers | |
2245 | * | |
2246 | *****************************************************************************/ | |
2247 | int cpia2_allocate_buffers(struct camera_data *cam) | |
2248 | { | |
2249 | int i; | |
2250 | ||
2251 | if(!cam->buffers) { | |
2252 | u32 size = cam->num_frames*sizeof(struct framebuf); | |
2253 | cam->buffers = kmalloc(size, GFP_KERNEL); | |
2254 | if(!cam->buffers) { | |
2255 | ERR("couldn't kmalloc frame buffer structures\n"); | |
2256 | return -ENOMEM; | |
2257 | } | |
2258 | } | |
2259 | ||
2260 | if(!cam->frame_buffer) { | |
2261 | cam->frame_buffer = rvmalloc(cam->frame_size*cam->num_frames); | |
2262 | if (!cam->frame_buffer) { | |
2263 | ERR("couldn't vmalloc frame buffer data area\n"); | |
2264 | kfree(cam->buffers); | |
2265 | cam->buffers = NULL; | |
2266 | return -ENOMEM; | |
2267 | } | |
2268 | } | |
2269 | ||
2270 | for(i=0; i<cam->num_frames-1; ++i) { | |
2271 | cam->buffers[i].next = &cam->buffers[i+1]; | |
2272 | cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size; | |
2273 | cam->buffers[i].status = FRAME_EMPTY; | |
2274 | cam->buffers[i].length = 0; | |
2275 | cam->buffers[i].max_length = 0; | |
2276 | cam->buffers[i].num = i; | |
2277 | } | |
2278 | cam->buffers[i].next = cam->buffers; | |
2279 | cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size; | |
2280 | cam->buffers[i].status = FRAME_EMPTY; | |
2281 | cam->buffers[i].length = 0; | |
2282 | cam->buffers[i].max_length = 0; | |
2283 | cam->buffers[i].num = i; | |
2284 | cam->curbuff = cam->buffers; | |
2285 | cam->workbuff = cam->curbuff->next; | |
2286 | DBG("buffers=%p, curbuff=%p, workbuff=%p\n", cam->buffers, cam->curbuff, | |
2287 | cam->workbuff); | |
2288 | return 0; | |
2289 | } | |
2290 | ||
2291 | /****************************************************************************** | |
2292 | * | |
2293 | * cpia2_free_buffers | |
2294 | * | |
2295 | *****************************************************************************/ | |
2296 | void cpia2_free_buffers(struct camera_data *cam) | |
2297 | { | |
2298 | if(cam->buffers) { | |
2299 | kfree(cam->buffers); | |
2300 | cam->buffers = NULL; | |
2301 | } | |
2302 | if(cam->frame_buffer) { | |
2303 | rvfree(cam->frame_buffer, cam->frame_size*cam->num_frames); | |
2304 | cam->frame_buffer = NULL; | |
2305 | } | |
2306 | } | |
2307 | ||
2308 | /****************************************************************************** | |
2309 | * | |
2310 | * cpia2_read | |
2311 | * | |
2312 | *****************************************************************************/ | |
2313 | long cpia2_read(struct camera_data *cam, | |
2314 | char __user *buf, unsigned long count, int noblock) | |
2315 | { | |
2316 | struct framebuf *frame; | |
d2db8fee HV |
2317 | |
2318 | if (!count) | |
ab33d507 | 2319 | return 0; |
ab33d507 AC |
2320 | |
2321 | if (!buf) { | |
94205c7a | 2322 | ERR("%s: buffer NULL\n",__func__); |
ab33d507 AC |
2323 | return -EINVAL; |
2324 | } | |
2325 | ||
2326 | if (!cam) { | |
94205c7a | 2327 | ERR("%s: Internal error, camera_data NULL!\n",__func__); |
ab33d507 AC |
2328 | return -EINVAL; |
2329 | } | |
2330 | ||
d2db8fee | 2331 | if (!cam->streaming) { |
ab33d507 AC |
2332 | /* Start streaming */ |
2333 | cpia2_usb_stream_start(cam, | |
2334 | cam->params.camera_state.stream_mode); | |
2335 | } | |
2336 | ||
2337 | /* Copy cam->curbuff in case it changes while we're processing */ | |
2338 | frame = cam->curbuff; | |
2339 | if (noblock && frame->status != FRAME_READY) { | |
ab33d507 AC |
2340 | return -EAGAIN; |
2341 | } | |
2342 | ||
d2db8fee HV |
2343 | if (frame->status != FRAME_READY) { |
2344 | mutex_unlock(&cam->v4l2_lock); | |
ab33d507 | 2345 | wait_event_interruptible(cam->wq_stream, |
6c493f8b | 2346 | !video_is_registered(&cam->vdev) || |
ab33d507 | 2347 | (frame = cam->curbuff)->status == FRAME_READY); |
d2db8fee | 2348 | mutex_lock(&cam->v4l2_lock); |
ab33d507 AC |
2349 | if (signal_pending(current)) |
2350 | return -ERESTARTSYS; | |
6c493f8b | 2351 | if (!video_is_registered(&cam->vdev)) |
ab33d507 | 2352 | return 0; |
ab33d507 AC |
2353 | } |
2354 | ||
2355 | /* copy data to user space */ | |
d2db8fee | 2356 | if (frame->length > count) |
ab33d507 | 2357 | return -EFAULT; |
d2db8fee | 2358 | if (copy_to_user(buf, frame->data, frame->length)) |
ab33d507 | 2359 | return -EFAULT; |
ab33d507 AC |
2360 | |
2361 | count = frame->length; | |
2362 | ||
2363 | frame->status = FRAME_EMPTY; | |
2364 | ||
ab33d507 AC |
2365 | return count; |
2366 | } | |
2367 | ||
2368 | /****************************************************************************** | |
2369 | * | |
2370 | * cpia2_poll | |
2371 | * | |
2372 | *****************************************************************************/ | |
c23e0cb8 | 2373 | __poll_t cpia2_poll(struct camera_data *cam, struct file *filp, |
ab33d507 AC |
2374 | poll_table *wait) |
2375 | { | |
c23e0cb8 | 2376 | __poll_t status = v4l2_ctrl_poll(filp, wait); |
ab33d507 | 2377 | |
a9a08845 | 2378 | if ((poll_requested_events(wait) & (EPOLLIN | EPOLLRDNORM)) && |
6c493f8b | 2379 | !cam->streaming) { |
ab33d507 AC |
2380 | /* Start streaming */ |
2381 | cpia2_usb_stream_start(cam, | |
2382 | cam->params.camera_state.stream_mode); | |
2383 | } | |
2384 | ||
ab33d507 | 2385 | poll_wait(filp, &cam->wq_stream, wait); |
ab33d507 | 2386 | |
6c493f8b | 2387 | if (cam->curbuff->status == FRAME_READY) |
a9a08845 | 2388 | status |= EPOLLIN | EPOLLRDNORM; |
ab33d507 | 2389 | |
ab33d507 AC |
2390 | return status; |
2391 | } | |
2392 | ||
2393 | /****************************************************************************** | |
2394 | * | |
2395 | * cpia2_remap_buffer | |
2396 | * | |
2397 | *****************************************************************************/ | |
2398 | int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma) | |
2399 | { | |
2400 | const char *adr = (const char *)vma->vm_start; | |
2401 | unsigned long size = vma->vm_end-vma->vm_start; | |
2402 | unsigned long start_offset = vma->vm_pgoff << PAGE_SHIFT; | |
2403 | unsigned long start = (unsigned long) adr; | |
2404 | unsigned long page, pos; | |
2405 | ||
ab33d507 AC |
2406 | DBG("mmap offset:%ld size:%ld\n", start_offset, size); |
2407 | ||
6c493f8b | 2408 | if (!video_is_registered(&cam->vdev)) |
ab33d507 | 2409 | return -ENODEV; |
ab33d507 AC |
2410 | |
2411 | if (size > cam->frame_size*cam->num_frames || | |
2412 | (start_offset % cam->frame_size) != 0 || | |
d2db8fee | 2413 | (start_offset+size > cam->frame_size*cam->num_frames)) |
ab33d507 | 2414 | return -EINVAL; |
ab33d507 AC |
2415 | |
2416 | pos = ((unsigned long) (cam->frame_buffer)) + start_offset; | |
2417 | while (size > 0) { | |
2418 | page = kvirt_to_pa(pos); | |
d2db8fee | 2419 | if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, PAGE_SIZE, PAGE_SHARED)) |
ab33d507 | 2420 | return -EAGAIN; |
ab33d507 AC |
2421 | start += PAGE_SIZE; |
2422 | pos += PAGE_SIZE; | |
2423 | if (size > PAGE_SIZE) | |
2424 | size -= PAGE_SIZE; | |
2425 | else | |
2426 | size = 0; | |
2427 | } | |
2428 | ||
2429 | cam->mmapped = true; | |
ab33d507 AC |
2430 | return 0; |
2431 | } |