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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> |
ab33d507 | 35 | |
229fd7d2 TG |
36 | #define FIRMWARE "cpia2/stv0672_vp4.bin" |
37 | MODULE_FIRMWARE(FIRMWARE); | |
38 | ||
ff699e6b | 39 | /* #define _CPIA2_DEBUG_ */ |
ab33d507 | 40 | |
ab33d507 AC |
41 | #ifdef _CPIA2_DEBUG_ |
42 | ||
43 | static const char *block_name[] = { | |
44 | "System", | |
45 | "VC", | |
46 | "VP", | |
47 | "IDATA" | |
48 | }; | |
49 | #endif | |
50 | ||
ff699e6b | 51 | static unsigned int debugs_on; /* default 0 - DEBUG_REG */ |
ab33d507 AC |
52 | |
53 | ||
54 | /****************************************************************************** | |
55 | * | |
56 | * Forward Declarations | |
57 | * | |
58 | *****************************************************************************/ | |
59 | static int apply_vp_patch(struct camera_data *cam); | |
60 | static int set_default_user_mode(struct camera_data *cam); | |
61 | static int set_vw_size(struct camera_data *cam, int size); | |
62 | static int configure_sensor(struct camera_data *cam, | |
63 | int reqwidth, int reqheight); | |
64 | static int config_sensor_410(struct camera_data *cam, | |
65 | int reqwidth, int reqheight); | |
66 | static int config_sensor_500(struct camera_data *cam, | |
67 | int reqwidth, int reqheight); | |
68 | static int set_all_properties(struct camera_data *cam); | |
ab33d507 AC |
69 | static void wake_system(struct camera_data *cam); |
70 | static void set_lowlight_boost(struct camera_data *cam); | |
71 | static void reset_camera_struct(struct camera_data *cam); | |
72 | static int cpia2_set_high_power(struct camera_data *cam); | |
73 | ||
74 | /* Here we want the physical address of the memory. | |
75 | * This is used when initializing the contents of the | |
76 | * area and marking the pages as reserved. | |
77 | */ | |
78 | static inline unsigned long kvirt_to_pa(unsigned long adr) | |
79 | { | |
80 | unsigned long kva, ret; | |
81 | ||
82 | kva = (unsigned long) page_address(vmalloc_to_page((void *)adr)); | |
83 | kva |= adr & (PAGE_SIZE-1); /* restore the offset */ | |
84 | ret = __pa(kva); | |
85 | return ret; | |
86 | } | |
87 | ||
88 | static void *rvmalloc(unsigned long size) | |
89 | { | |
90 | void *mem; | |
91 | unsigned long adr; | |
92 | ||
93 | /* Round it off to PAGE_SIZE */ | |
94 | size = PAGE_ALIGN(size); | |
95 | ||
96 | mem = vmalloc_32(size); | |
97 | if (!mem) | |
98 | return NULL; | |
99 | ||
100 | memset(mem, 0, size); /* Clear the ram out, no junk to the user */ | |
101 | adr = (unsigned long) mem; | |
102 | ||
103 | while ((long)size > 0) { | |
104 | SetPageReserved(vmalloc_to_page((void *)adr)); | |
105 | adr += PAGE_SIZE; | |
106 | size -= PAGE_SIZE; | |
107 | } | |
108 | return mem; | |
109 | } | |
110 | ||
111 | static void rvfree(void *mem, unsigned long size) | |
112 | { | |
113 | unsigned long adr; | |
114 | ||
115 | if (!mem) | |
116 | return; | |
117 | ||
118 | size = PAGE_ALIGN(size); | |
119 | ||
120 | adr = (unsigned long) mem; | |
121 | while ((long)size > 0) { | |
122 | ClearPageReserved(vmalloc_to_page((void *)adr)); | |
123 | adr += PAGE_SIZE; | |
124 | size -= PAGE_SIZE; | |
125 | } | |
126 | vfree(mem); | |
127 | } | |
128 | ||
129 | /****************************************************************************** | |
130 | * | |
131 | * cpia2_do_command | |
132 | * | |
133 | * Send an arbitrary command to the camera. For commands that read from | |
134 | * the camera, copy the buffers into the proper param structures. | |
135 | *****************************************************************************/ | |
136 | int cpia2_do_command(struct camera_data *cam, | |
137 | u32 command, u8 direction, u8 param) | |
138 | { | |
139 | int retval = 0; | |
140 | struct cpia2_command cmd; | |
141 | unsigned int device = cam->params.pnp_id.device_type; | |
142 | ||
143 | cmd.command = command; | |
144 | cmd.reg_count = 2; /* default */ | |
145 | cmd.direction = direction; | |
146 | ||
147 | /*** | |
148 | * Set up the command. | |
149 | ***/ | |
150 | switch (command) { | |
151 | case CPIA2_CMD_GET_VERSION: | |
152 | cmd.req_mode = | |
153 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
154 | cmd.start = CPIA2_SYSTEM_DEVICE_HI; | |
155 | break; | |
156 | case CPIA2_CMD_GET_PNP_ID: | |
157 | cmd.req_mode = | |
158 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
159 | cmd.reg_count = 8; | |
160 | cmd.start = CPIA2_SYSTEM_DESCRIP_VID_HI; | |
161 | break; | |
162 | case CPIA2_CMD_GET_ASIC_TYPE: | |
163 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
164 | cmd.start = CPIA2_VC_ASIC_ID; | |
165 | break; | |
166 | case CPIA2_CMD_GET_SENSOR: | |
167 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
168 | cmd.start = CPIA2_VP_SENSOR_FLAGS; | |
169 | break; | |
170 | case CPIA2_CMD_GET_VP_DEVICE: | |
171 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
172 | cmd.start = CPIA2_VP_DEVICEH; | |
173 | break; | |
174 | case CPIA2_CMD_SET_VP_BRIGHTNESS: | |
175 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
176 | case CPIA2_CMD_GET_VP_BRIGHTNESS: | |
177 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
178 | cmd.reg_count = 1; | |
179 | if (device == DEVICE_STV_672) | |
180 | cmd.start = CPIA2_VP4_EXPOSURE_TARGET; | |
181 | else | |
182 | cmd.start = CPIA2_VP5_EXPOSURE_TARGET; | |
183 | break; | |
184 | case CPIA2_CMD_SET_CONTRAST: | |
185 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
186 | case CPIA2_CMD_GET_CONTRAST: | |
187 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
188 | cmd.reg_count = 1; | |
189 | cmd.start = CPIA2_VP_YRANGE; | |
190 | break; | |
191 | case CPIA2_CMD_SET_VP_SATURATION: | |
192 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
193 | case CPIA2_CMD_GET_VP_SATURATION: | |
194 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
195 | cmd.reg_count = 1; | |
196 | if (device == DEVICE_STV_672) | |
197 | cmd.start = CPIA2_VP_SATURATION; | |
198 | else | |
199 | cmd.start = CPIA2_VP5_MCUVSATURATION; | |
200 | break; | |
201 | case CPIA2_CMD_SET_VP_GPIO_DATA: | |
202 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
203 | case CPIA2_CMD_GET_VP_GPIO_DATA: | |
204 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
205 | cmd.reg_count = 1; | |
206 | cmd.start = CPIA2_VP_GPIO_DATA; | |
207 | break; | |
208 | case CPIA2_CMD_SET_VP_GPIO_DIRECTION: | |
209 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
210 | case CPIA2_CMD_GET_VP_GPIO_DIRECTION: | |
211 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
212 | cmd.reg_count = 1; | |
213 | cmd.start = CPIA2_VP_GPIO_DIRECTION; | |
214 | break; | |
215 | case CPIA2_CMD_SET_VC_MP_GPIO_DATA: | |
216 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
217 | case CPIA2_CMD_GET_VC_MP_GPIO_DATA: | |
218 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
219 | cmd.reg_count = 1; | |
220 | cmd.start = CPIA2_VC_MP_DATA; | |
221 | break; | |
222 | case CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION: | |
223 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
224 | case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION: | |
225 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
226 | cmd.reg_count = 1; | |
227 | cmd.start = CPIA2_VC_MP_DIR; | |
228 | break; | |
229 | case CPIA2_CMD_ENABLE_PACKET_CTRL: | |
230 | cmd.req_mode = | |
231 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
232 | cmd.start = CPIA2_SYSTEM_INT_PACKET_CTRL; | |
233 | cmd.reg_count = 1; | |
234 | cmd.buffer.block_data[0] = param; | |
235 | break; | |
236 | case CPIA2_CMD_SET_FLICKER_MODES: | |
237 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
238 | case CPIA2_CMD_GET_FLICKER_MODES: | |
239 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
240 | cmd.reg_count = 1; | |
241 | cmd.start = CPIA2_VP_FLICKER_MODES; | |
242 | break; | |
243 | case CPIA2_CMD_RESET_FIFO: /* clear fifo and enable stream block */ | |
244 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
245 | cmd.reg_count = 2; | |
246 | cmd.start = 0; | |
247 | cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL; | |
248 | cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC | | |
249 | CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT; | |
250 | cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL; | |
251 | cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC | | |
252 | CPIA2_VC_ST_CTRL_DST_USB | | |
253 | CPIA2_VC_ST_CTRL_EOF_DETECT | | |
254 | CPIA2_VC_ST_CTRL_FIFO_ENABLE; | |
255 | break; | |
256 | case CPIA2_CMD_SET_HI_POWER: | |
257 | cmd.req_mode = | |
258 | CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM; | |
259 | cmd.reg_count = 2; | |
260 | cmd.buffer.registers[0].index = | |
261 | CPIA2_SYSTEM_SYSTEM_CONTROL; | |
262 | cmd.buffer.registers[1].index = | |
263 | CPIA2_SYSTEM_SYSTEM_CONTROL; | |
264 | cmd.buffer.registers[0].value = CPIA2_SYSTEM_CONTROL_CLEAR_ERR; | |
265 | cmd.buffer.registers[1].value = | |
266 | CPIA2_SYSTEM_CONTROL_HIGH_POWER; | |
267 | break; | |
268 | case CPIA2_CMD_SET_LOW_POWER: | |
269 | cmd.req_mode = | |
270 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
271 | cmd.reg_count = 1; | |
272 | cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; | |
273 | cmd.buffer.block_data[0] = 0; | |
274 | break; | |
275 | case CPIA2_CMD_CLEAR_V2W_ERR: | |
276 | cmd.req_mode = | |
277 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
278 | cmd.reg_count = 1; | |
279 | cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; | |
280 | cmd.buffer.block_data[0] = CPIA2_SYSTEM_CONTROL_CLEAR_ERR; | |
281 | break; | |
282 | case CPIA2_CMD_SET_USER_MODE: /* Then fall through */ | |
283 | cmd.buffer.block_data[0] = param; | |
284 | case CPIA2_CMD_GET_USER_MODE: | |
285 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
286 | cmd.reg_count = 1; | |
287 | if (device == DEVICE_STV_672) | |
288 | cmd.start = CPIA2_VP4_USER_MODE; | |
289 | else | |
290 | cmd.start = CPIA2_VP5_USER_MODE; | |
291 | break; | |
292 | case CPIA2_CMD_FRAMERATE_REQ: | |
293 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
294 | cmd.reg_count = 1; | |
295 | if (device == DEVICE_STV_672) | |
296 | cmd.start = CPIA2_VP4_FRAMERATE_REQUEST; | |
297 | else | |
298 | cmd.start = CPIA2_VP5_FRAMERATE_REQUEST; | |
299 | cmd.buffer.block_data[0] = param; | |
300 | break; | |
301 | case CPIA2_CMD_SET_WAKEUP: | |
302 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
303 | case CPIA2_CMD_GET_WAKEUP: | |
304 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
305 | cmd.reg_count = 1; | |
306 | cmd.start = CPIA2_VC_WAKEUP; | |
307 | break; | |
308 | case CPIA2_CMD_SET_PW_CONTROL: | |
309 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
310 | case CPIA2_CMD_GET_PW_CONTROL: | |
311 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
312 | cmd.reg_count = 1; | |
313 | cmd.start = CPIA2_VC_PW_CTRL; | |
314 | break; | |
315 | case CPIA2_CMD_GET_VP_SYSTEM_STATE: | |
316 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
317 | cmd.reg_count = 1; | |
318 | cmd.start = CPIA2_VP_SYSTEMSTATE; | |
319 | break; | |
320 | case CPIA2_CMD_SET_SYSTEM_CTRL: | |
321 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
322 | case CPIA2_CMD_GET_SYSTEM_CTRL: | |
323 | cmd.req_mode = | |
324 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
325 | cmd.reg_count = 1; | |
326 | cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; | |
327 | break; | |
328 | case CPIA2_CMD_SET_VP_SYSTEM_CTRL: | |
329 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
330 | case CPIA2_CMD_GET_VP_SYSTEM_CTRL: | |
331 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
332 | cmd.reg_count = 1; | |
333 | cmd.start = CPIA2_VP_SYSTEMCTRL; | |
334 | break; | |
335 | case CPIA2_CMD_SET_VP_EXP_MODES: | |
336 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
337 | case CPIA2_CMD_GET_VP_EXP_MODES: | |
338 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
339 | cmd.reg_count = 1; | |
340 | cmd.start = CPIA2_VP_EXPOSURE_MODES; | |
341 | break; | |
342 | case CPIA2_CMD_SET_DEVICE_CONFIG: | |
343 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
344 | case CPIA2_CMD_GET_DEVICE_CONFIG: | |
345 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
346 | cmd.reg_count = 1; | |
347 | cmd.start = CPIA2_VP_DEVICE_CONFIG; | |
348 | break; | |
349 | case CPIA2_CMD_SET_SERIAL_ADDR: | |
350 | cmd.buffer.block_data[0] = param; | |
351 | cmd.req_mode = | |
352 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
353 | cmd.reg_count = 1; | |
354 | cmd.start = CPIA2_SYSTEM_VP_SERIAL_ADDR; | |
355 | break; | |
356 | case CPIA2_CMD_SET_SENSOR_CR1: | |
357 | cmd.buffer.block_data[0] = param; | |
358 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
359 | cmd.reg_count = 1; | |
360 | cmd.start = CPIA2_SENSOR_CR1; | |
361 | break; | |
362 | case CPIA2_CMD_SET_VC_CONTROL: | |
363 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
364 | case CPIA2_CMD_GET_VC_CONTROL: | |
365 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
366 | cmd.reg_count = 1; | |
367 | cmd.start = CPIA2_VC_VC_CTRL; | |
368 | break; | |
369 | case CPIA2_CMD_SET_TARGET_KB: | |
370 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
371 | cmd.reg_count = 1; | |
372 | cmd.buffer.registers[0].index = CPIA2_VC_VC_TARGET_KB; | |
373 | cmd.buffer.registers[0].value = param; | |
374 | break; | |
375 | case CPIA2_CMD_SET_DEF_JPEG_OPT: | |
376 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
377 | cmd.reg_count = 4; | |
378 | cmd.buffer.registers[0].index = CPIA2_VC_VC_JPEG_OPT; | |
379 | cmd.buffer.registers[0].value = | |
380 | CPIA2_VC_VC_JPEG_OPT_DOUBLE_SQUEEZE; | |
381 | cmd.buffer.registers[1].index = CPIA2_VC_VC_USER_SQUEEZE; | |
382 | cmd.buffer.registers[1].value = 20; | |
383 | cmd.buffer.registers[2].index = CPIA2_VC_VC_CREEP_PERIOD; | |
384 | cmd.buffer.registers[2].value = 2; | |
385 | cmd.buffer.registers[3].index = CPIA2_VC_VC_JPEG_OPT; | |
386 | cmd.buffer.registers[3].value = CPIA2_VC_VC_JPEG_OPT_DEFAULT; | |
387 | break; | |
388 | case CPIA2_CMD_REHASH_VP4: | |
389 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
390 | cmd.reg_count = 1; | |
391 | cmd.start = CPIA2_VP_REHASH_VALUES; | |
392 | cmd.buffer.block_data[0] = param; | |
393 | break; | |
394 | case CPIA2_CMD_SET_USER_EFFECTS: /* Note: Be careful with this as | |
395 | this register can also affect | |
396 | flicker modes */ | |
397 | cmd.buffer.block_data[0] = param; /* Then fall through */ | |
398 | case CPIA2_CMD_GET_USER_EFFECTS: | |
399 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
400 | cmd.reg_count = 1; | |
401 | if (device == DEVICE_STV_672) | |
402 | cmd.start = CPIA2_VP4_USER_EFFECTS; | |
403 | else | |
404 | cmd.start = CPIA2_VP5_USER_EFFECTS; | |
405 | break; | |
406 | default: | |
407 | LOG("DoCommand received invalid command\n"); | |
408 | return -EINVAL; | |
409 | } | |
410 | ||
411 | retval = cpia2_send_command(cam, &cmd); | |
412 | if (retval) { | |
413 | return retval; | |
414 | } | |
415 | ||
416 | /*** | |
417 | * Now copy any results from a read into the appropriate param struct. | |
418 | ***/ | |
419 | switch (command) { | |
420 | case CPIA2_CMD_GET_VERSION: | |
421 | cam->params.version.firmware_revision_hi = | |
422 | cmd.buffer.block_data[0]; | |
423 | cam->params.version.firmware_revision_lo = | |
424 | cmd.buffer.block_data[1]; | |
425 | break; | |
426 | case CPIA2_CMD_GET_PNP_ID: | |
427 | cam->params.pnp_id.vendor = (cmd.buffer.block_data[0] << 8) | | |
428 | cmd.buffer.block_data[1]; | |
429 | cam->params.pnp_id.product = (cmd.buffer.block_data[2] << 8) | | |
430 | cmd.buffer.block_data[3]; | |
431 | cam->params.pnp_id.device_revision = | |
432 | (cmd.buffer.block_data[4] << 8) | | |
433 | cmd.buffer.block_data[5]; | |
434 | if (cam->params.pnp_id.vendor == 0x553) { | |
435 | if (cam->params.pnp_id.product == 0x100) { | |
436 | cam->params.pnp_id.device_type = DEVICE_STV_672; | |
437 | } else if (cam->params.pnp_id.product == 0x140 || | |
438 | cam->params.pnp_id.product == 0x151) { | |
439 | cam->params.pnp_id.device_type = DEVICE_STV_676; | |
440 | } | |
441 | } | |
442 | break; | |
443 | case CPIA2_CMD_GET_ASIC_TYPE: | |
444 | cam->params.version.asic_id = cmd.buffer.block_data[0]; | |
445 | cam->params.version.asic_rev = cmd.buffer.block_data[1]; | |
446 | break; | |
447 | case CPIA2_CMD_GET_SENSOR: | |
448 | cam->params.version.sensor_flags = cmd.buffer.block_data[0]; | |
449 | cam->params.version.sensor_rev = cmd.buffer.block_data[1]; | |
450 | break; | |
451 | case CPIA2_CMD_GET_VP_DEVICE: | |
452 | cam->params.version.vp_device_hi = cmd.buffer.block_data[0]; | |
453 | cam->params.version.vp_device_lo = cmd.buffer.block_data[1]; | |
454 | break; | |
ab33d507 AC |
455 | case CPIA2_CMD_GET_VP_GPIO_DATA: |
456 | cam->params.vp_params.gpio_data = cmd.buffer.block_data[0]; | |
457 | break; | |
458 | case CPIA2_CMD_GET_VP_GPIO_DIRECTION: | |
459 | cam->params.vp_params.gpio_direction = cmd.buffer.block_data[0]; | |
460 | break; | |
461 | case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION: | |
462 | cam->params.vc_params.vc_mp_direction =cmd.buffer.block_data[0]; | |
463 | break; | |
464 | case CPIA2_CMD_GET_VC_MP_GPIO_DATA: | |
465 | cam->params.vc_params.vc_mp_data = cmd.buffer.block_data[0]; | |
466 | break; | |
467 | case CPIA2_CMD_GET_FLICKER_MODES: | |
468 | cam->params.flicker_control.cam_register = | |
469 | cmd.buffer.block_data[0]; | |
470 | break; | |
471 | case CPIA2_CMD_GET_WAKEUP: | |
472 | cam->params.vc_params.wakeup = cmd.buffer.block_data[0]; | |
473 | break; | |
474 | case CPIA2_CMD_GET_PW_CONTROL: | |
475 | cam->params.vc_params.pw_control = cmd.buffer.block_data[0]; | |
476 | break; | |
477 | case CPIA2_CMD_GET_SYSTEM_CTRL: | |
478 | cam->params.camera_state.system_ctrl = cmd.buffer.block_data[0]; | |
479 | break; | |
480 | case CPIA2_CMD_GET_VP_SYSTEM_STATE: | |
481 | cam->params.vp_params.system_state = cmd.buffer.block_data[0]; | |
482 | break; | |
483 | case CPIA2_CMD_GET_VP_SYSTEM_CTRL: | |
484 | cam->params.vp_params.system_ctrl = cmd.buffer.block_data[0]; | |
485 | break; | |
486 | case CPIA2_CMD_GET_VP_EXP_MODES: | |
487 | cam->params.vp_params.exposure_modes = cmd.buffer.block_data[0]; | |
488 | break; | |
489 | case CPIA2_CMD_GET_DEVICE_CONFIG: | |
490 | cam->params.vp_params.device_config = cmd.buffer.block_data[0]; | |
491 | break; | |
492 | case CPIA2_CMD_GET_VC_CONTROL: | |
493 | cam->params.vc_params.vc_control = cmd.buffer.block_data[0]; | |
494 | break; | |
495 | case CPIA2_CMD_GET_USER_MODE: | |
496 | cam->params.vp_params.video_mode = cmd.buffer.block_data[0]; | |
497 | break; | |
498 | case CPIA2_CMD_GET_USER_EFFECTS: | |
499 | cam->params.vp_params.user_effects = cmd.buffer.block_data[0]; | |
500 | break; | |
501 | default: | |
502 | break; | |
503 | } | |
504 | return retval; | |
505 | } | |
506 | ||
507 | /****************************************************************************** | |
508 | * | |
509 | * cpia2_send_command | |
510 | * | |
511 | *****************************************************************************/ | |
10397523 MCC |
512 | |
513 | #define DIR(cmd) ((cmd->direction == TRANSFER_WRITE) ? "Write" : "Read") | |
514 | #define BINDEX(cmd) (cmd->req_mode & 0x03) | |
515 | ||
ab33d507 AC |
516 | int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd) |
517 | { | |
518 | u8 count; | |
519 | u8 start; | |
ab33d507 AC |
520 | u8 *buffer; |
521 | int retval; | |
ab33d507 AC |
522 | |
523 | switch (cmd->req_mode & 0x0c) { | |
524 | case CAMERAACCESS_TYPE_RANDOM: | |
525 | count = cmd->reg_count * sizeof(struct cpia2_register); | |
526 | start = 0; | |
527 | buffer = (u8 *) & cmd->buffer; | |
528 | if (debugs_on & DEBUG_REG) | |
10397523 MCC |
529 | DBG("%s Random: Register block %s\n", DIR(cmd), |
530 | block_name[BINDEX(cmd)]); | |
ab33d507 AC |
531 | break; |
532 | case CAMERAACCESS_TYPE_BLOCK: | |
533 | count = cmd->reg_count; | |
534 | start = cmd->start; | |
535 | buffer = cmd->buffer.block_data; | |
536 | if (debugs_on & DEBUG_REG) | |
10397523 MCC |
537 | DBG("%s Block: Register block %s\n", DIR(cmd), |
538 | block_name[BINDEX(cmd)]); | |
ab33d507 AC |
539 | break; |
540 | case CAMERAACCESS_TYPE_MASK: | |
541 | count = cmd->reg_count * sizeof(struct cpia2_reg_mask); | |
542 | start = 0; | |
543 | buffer = (u8 *) & cmd->buffer; | |
544 | if (debugs_on & DEBUG_REG) | |
10397523 MCC |
545 | DBG("%s Mask: Register block %s\n", DIR(cmd), |
546 | block_name[BINDEX(cmd)]); | |
ab33d507 AC |
547 | break; |
548 | case CAMERAACCESS_TYPE_REPEAT: /* For patch blocks only */ | |
549 | count = cmd->reg_count; | |
550 | start = cmd->start; | |
551 | buffer = cmd->buffer.block_data; | |
552 | if (debugs_on & DEBUG_REG) | |
10397523 MCC |
553 | DBG("%s Repeat: Register block %s\n", DIR(cmd), |
554 | block_name[BINDEX(cmd)]); | |
ab33d507 AC |
555 | break; |
556 | default: | |
94205c7a | 557 | LOG("%s: invalid request mode\n",__func__); |
ab33d507 AC |
558 | return -EINVAL; |
559 | } | |
560 | ||
561 | retval = cpia2_usb_transfer_cmd(cam, | |
562 | buffer, | |
563 | cmd->req_mode, | |
564 | start, count, cmd->direction); | |
565 | #ifdef _CPIA2_DEBUG_ | |
566 | if (debugs_on & DEBUG_REG) { | |
567 | int i; | |
568 | for (i = 0; i < cmd->reg_count; i++) { | |
569 | if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_BLOCK) | |
570 | KINFO("%s Block: [0x%02X] = 0x%02X\n", | |
10397523 | 571 | DIR(cmd), start + i, buffer[i]); |
ab33d507 AC |
572 | if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_RANDOM) |
573 | KINFO("%s Random: [0x%02X] = 0x%02X\n", | |
10397523 | 574 | DIR(cmd), cmd->buffer.registers[i].index, |
ab33d507 AC |
575 | cmd->buffer.registers[i].value); |
576 | } | |
577 | } | |
578 | #endif | |
579 | ||
580 | return retval; | |
581 | }; | |
582 | ||
583 | /************* | |
584 | * Functions to implement camera functionality | |
585 | *************/ | |
586 | /****************************************************************************** | |
587 | * | |
588 | * cpia2_get_version_info | |
589 | * | |
590 | *****************************************************************************/ | |
591 | static void cpia2_get_version_info(struct camera_data *cam) | |
592 | { | |
593 | cpia2_do_command(cam, CPIA2_CMD_GET_VERSION, TRANSFER_READ, 0); | |
594 | cpia2_do_command(cam, CPIA2_CMD_GET_PNP_ID, TRANSFER_READ, 0); | |
595 | cpia2_do_command(cam, CPIA2_CMD_GET_ASIC_TYPE, TRANSFER_READ, 0); | |
596 | cpia2_do_command(cam, CPIA2_CMD_GET_SENSOR, TRANSFER_READ, 0); | |
597 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_DEVICE, TRANSFER_READ, 0); | |
598 | } | |
599 | ||
600 | /****************************************************************************** | |
601 | * | |
602 | * cpia2_reset_camera | |
603 | * | |
604 | * Called at least during the open process, sets up initial params. | |
605 | *****************************************************************************/ | |
606 | int cpia2_reset_camera(struct camera_data *cam) | |
607 | { | |
608 | u8 tmp_reg; | |
609 | int retval = 0; | |
6c493f8b | 610 | int target_kb; |
ab33d507 AC |
611 | int i; |
612 | struct cpia2_command cmd; | |
613 | ||
614 | /*** | |
615 | * VC setup | |
616 | ***/ | |
617 | retval = configure_sensor(cam, | |
618 | cam->params.roi.width, | |
619 | cam->params.roi.height); | |
620 | if (retval < 0) { | |
621 | ERR("Couldn't configure sensor, error=%d\n", retval); | |
622 | return retval; | |
623 | } | |
624 | ||
625 | /* Clear FIFO and route/enable stream block */ | |
626 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
627 | cmd.direction = TRANSFER_WRITE; | |
628 | cmd.reg_count = 2; | |
629 | cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL; | |
630 | cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC | | |
631 | CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT; | |
632 | cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL; | |
633 | cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC | | |
634 | CPIA2_VC_ST_CTRL_DST_USB | | |
635 | CPIA2_VC_ST_CTRL_EOF_DETECT | CPIA2_VC_ST_CTRL_FIFO_ENABLE; | |
636 | ||
637 | cpia2_send_command(cam, &cmd); | |
638 | ||
639 | cpia2_set_high_power(cam); | |
640 | ||
641 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { | |
642 | /* Enable button notification */ | |
643 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM; | |
644 | cmd.buffer.registers[0].index = CPIA2_SYSTEM_INT_PACKET_CTRL; | |
645 | cmd.buffer.registers[0].value = | |
646 | CPIA2_SYSTEM_INT_PACKET_CTRL_ENABLE_SW_XX; | |
647 | cmd.reg_count = 1; | |
648 | cpia2_send_command(cam, &cmd); | |
649 | } | |
650 | ||
97989ada | 651 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
ab33d507 AC |
652 | |
653 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) | |
654 | retval = apply_vp_patch(cam); | |
655 | ||
656 | /* wait for vp to go to sleep */ | |
97989ada | 657 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
ab33d507 AC |
658 | |
659 | /*** | |
660 | * If this is a 676, apply VP5 fixes before we start streaming | |
661 | ***/ | |
662 | if (cam->params.pnp_id.device_type == DEVICE_STV_676) { | |
663 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; | |
664 | ||
665 | /* The following writes improve the picture */ | |
666 | cmd.buffer.registers[0].index = CPIA2_VP5_MYBLACK_LEVEL; | |
667 | cmd.buffer.registers[0].value = 0; /* reduce from the default | |
668 | * rec 601 pedestal of 16 */ | |
669 | cmd.buffer.registers[1].index = CPIA2_VP5_MCYRANGE; | |
670 | cmd.buffer.registers[1].value = 0x92; /* increase from 100% to | |
671 | * (256/256 - 31) to fill | |
672 | * available range */ | |
673 | cmd.buffer.registers[2].index = CPIA2_VP5_MYCEILING; | |
674 | cmd.buffer.registers[2].value = 0xFF; /* Increase from the | |
675 | * default rec 601 ceiling | |
676 | * of 240 */ | |
677 | cmd.buffer.registers[3].index = CPIA2_VP5_MCUVSATURATION; | |
678 | cmd.buffer.registers[3].value = 0xFF; /* Increase from the rec | |
679 | * 601 100% level (128) | |
680 | * to 145-192 */ | |
681 | cmd.buffer.registers[4].index = CPIA2_VP5_ANTIFLKRSETUP; | |
682 | cmd.buffer.registers[4].value = 0x80; /* Inhibit the | |
683 | * anti-flicker */ | |
684 | ||
685 | /* The following 4 writes are a fix to allow QVGA to work at 30 fps */ | |
686 | cmd.buffer.registers[5].index = CPIA2_VP_RAM_ADDR_H; | |
687 | cmd.buffer.registers[5].value = 0x01; | |
688 | cmd.buffer.registers[6].index = CPIA2_VP_RAM_ADDR_L; | |
689 | cmd.buffer.registers[6].value = 0xE3; | |
690 | cmd.buffer.registers[7].index = CPIA2_VP_RAM_DATA; | |
691 | cmd.buffer.registers[7].value = 0x02; | |
692 | cmd.buffer.registers[8].index = CPIA2_VP_RAM_DATA; | |
693 | cmd.buffer.registers[8].value = 0xFC; | |
694 | ||
695 | cmd.direction = TRANSFER_WRITE; | |
696 | cmd.reg_count = 9; | |
697 | ||
698 | cpia2_send_command(cam, &cmd); | |
699 | } | |
700 | ||
701 | /* Activate all settings and start the data stream */ | |
702 | /* Set user mode */ | |
703 | set_default_user_mode(cam); | |
704 | ||
705 | /* Give VP time to wake up */ | |
97989ada | 706 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
ab33d507 AC |
707 | |
708 | set_all_properties(cam); | |
709 | ||
710 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0); | |
711 | DBG("After SetAllProperties(cam), user mode is 0x%0X\n", | |
712 | cam->params.vp_params.video_mode); | |
713 | ||
714 | /*** | |
715 | * Set audio regulator off. This and the code to set the compresison | |
716 | * state are too complex to form a CPIA2_CMD_, and seem to be somewhat | |
717 | * intertwined. This stuff came straight from the windows driver. | |
718 | ***/ | |
719 | /* Turn AutoExposure off in VP and enable the serial bridge to the sensor */ | |
720 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0); | |
721 | tmp_reg = cam->params.vp_params.system_ctrl; | |
722 | cmd.buffer.registers[0].value = tmp_reg & | |
723 | (tmp_reg & (CPIA2_VP_SYSTEMCTRL_HK_CONTROL ^ 0xFF)); | |
724 | ||
725 | cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0); | |
726 | cmd.buffer.registers[1].value = cam->params.vp_params.device_config | | |
727 | CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE; | |
728 | cmd.buffer.registers[0].index = CPIA2_VP_SYSTEMCTRL; | |
729 | cmd.buffer.registers[1].index = CPIA2_VP_DEVICE_CONFIG; | |
730 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; | |
731 | cmd.reg_count = 2; | |
732 | cmd.direction = TRANSFER_WRITE; | |
733 | cmd.start = 0; | |
734 | cpia2_send_command(cam, &cmd); | |
735 | ||
736 | /* Set the correct I2C address in the CPiA-2 system register */ | |
737 | cpia2_do_command(cam, | |
738 | CPIA2_CMD_SET_SERIAL_ADDR, | |
739 | TRANSFER_WRITE, | |
740 | CPIA2_SYSTEM_VP_SERIAL_ADDR_SENSOR); | |
741 | ||
742 | /* Now have sensor access - set bit to turn the audio regulator off */ | |
743 | cpia2_do_command(cam, | |
744 | CPIA2_CMD_SET_SENSOR_CR1, | |
745 | TRANSFER_WRITE, CPIA2_SENSOR_CR1_DOWN_AUDIO_REGULATOR); | |
746 | ||
747 | /* Set the correct I2C address in the CPiA-2 system register */ | |
748 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) | |
749 | cpia2_do_command(cam, | |
750 | CPIA2_CMD_SET_SERIAL_ADDR, | |
751 | TRANSFER_WRITE, | |
752 | CPIA2_SYSTEM_VP_SERIAL_ADDR_VP); // 0x88 | |
753 | else | |
754 | cpia2_do_command(cam, | |
755 | CPIA2_CMD_SET_SERIAL_ADDR, | |
756 | TRANSFER_WRITE, | |
757 | CPIA2_SYSTEM_VP_SERIAL_ADDR_676_VP); // 0x8a | |
758 | ||
759 | /* increase signal drive strength */ | |
760 | if (cam->params.pnp_id.device_type == DEVICE_STV_676) | |
761 | cpia2_do_command(cam, | |
762 | CPIA2_CMD_SET_VP_EXP_MODES, | |
763 | TRANSFER_WRITE, | |
764 | CPIA2_VP_EXPOSURE_MODES_COMPILE_EXP); | |
765 | ||
766 | /* Start autoexposure */ | |
767 | cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0); | |
768 | cmd.buffer.registers[0].value = cam->params.vp_params.device_config & | |
769 | (CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE ^ 0xFF); | |
770 | ||
771 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0); | |
772 | cmd.buffer.registers[1].value = | |
773 | cam->params.vp_params.system_ctrl | CPIA2_VP_SYSTEMCTRL_HK_CONTROL; | |
774 | ||
775 | cmd.buffer.registers[0].index = CPIA2_VP_DEVICE_CONFIG; | |
776 | cmd.buffer.registers[1].index = CPIA2_VP_SYSTEMCTRL; | |
777 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; | |
778 | cmd.reg_count = 2; | |
779 | cmd.direction = TRANSFER_WRITE; | |
780 | ||
781 | cpia2_send_command(cam, &cmd); | |
782 | ||
783 | /* Set compression state */ | |
784 | cpia2_do_command(cam, CPIA2_CMD_GET_VC_CONTROL, TRANSFER_READ, 0); | |
785 | if (cam->params.compression.inhibit_htables) { | |
786 | tmp_reg = cam->params.vc_params.vc_control | | |
787 | CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES; | |
788 | } else { | |
789 | tmp_reg = cam->params.vc_params.vc_control & | |
790 | ~CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES; | |
791 | } | |
792 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_CONTROL, TRANSFER_WRITE,tmp_reg); | |
793 | ||
6c493f8b HV |
794 | /* Set target size (kb) on vc |
795 | This is a heuristic based on the quality parameter and the raw | |
796 | framesize in kB divided by 16 (the compression factor when the | |
797 | quality is 100%) */ | |
798 | target_kb = (cam->width * cam->height * 2 / 16384) * | |
799 | cam->params.vc_params.quality / 100; | |
800 | if (target_kb < 1) | |
801 | target_kb = 1; | |
ab33d507 | 802 | cpia2_do_command(cam, CPIA2_CMD_SET_TARGET_KB, |
6c493f8b | 803 | TRANSFER_WRITE, target_kb); |
ab33d507 AC |
804 | |
805 | /* Wiggle VC Reset */ | |
806 | /*** | |
807 | * First read and wait a bit. | |
808 | ***/ | |
809 | for (i = 0; i < 50; i++) { | |
810 | cpia2_do_command(cam, CPIA2_CMD_GET_PW_CONTROL, | |
811 | TRANSFER_READ, 0); | |
812 | } | |
813 | ||
814 | tmp_reg = cam->params.vc_params.pw_control; | |
815 | tmp_reg &= ~CPIA2_VC_PW_CTRL_VC_RESET_N; | |
816 | ||
817 | cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg); | |
818 | ||
819 | tmp_reg |= CPIA2_VC_PW_CTRL_VC_RESET_N; | |
820 | cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg); | |
821 | ||
822 | cpia2_do_command(cam, CPIA2_CMD_SET_DEF_JPEG_OPT, TRANSFER_WRITE, 0); | |
823 | ||
824 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0); | |
825 | DBG("After VC RESET, user mode is 0x%0X\n", | |
826 | cam->params.vp_params.video_mode); | |
827 | ||
828 | return retval; | |
829 | } | |
830 | ||
831 | /****************************************************************************** | |
832 | * | |
833 | * cpia2_set_high_power | |
834 | * | |
835 | *****************************************************************************/ | |
836 | static int cpia2_set_high_power(struct camera_data *cam) | |
837 | { | |
838 | int i; | |
839 | for (i = 0; i <= 50; i++) { | |
840 | /* Read system status */ | |
841 | cpia2_do_command(cam,CPIA2_CMD_GET_SYSTEM_CTRL,TRANSFER_READ,0); | |
842 | ||
843 | /* If there is an error, clear it */ | |
844 | if(cam->params.camera_state.system_ctrl & | |
845 | CPIA2_SYSTEM_CONTROL_V2W_ERR) | |
846 | cpia2_do_command(cam, CPIA2_CMD_CLEAR_V2W_ERR, | |
847 | TRANSFER_WRITE, 0); | |
848 | ||
849 | /* Try to set high power mode */ | |
850 | cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL, | |
851 | TRANSFER_WRITE, 1); | |
852 | ||
853 | /* Try to read something in VP to check if everything is awake */ | |
854 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_STATE, | |
855 | TRANSFER_READ, 0); | |
856 | if (cam->params.vp_params.system_state & | |
857 | CPIA2_VP_SYSTEMSTATE_HK_ALIVE) { | |
858 | break; | |
859 | } else if (i == 50) { | |
860 | cam->params.camera_state.power_mode = LO_POWER_MODE; | |
861 | ERR("Camera did not wake up\n"); | |
862 | return -EIO; | |
863 | } | |
864 | } | |
865 | ||
866 | DBG("System now in high power state\n"); | |
867 | cam->params.camera_state.power_mode = HI_POWER_MODE; | |
868 | return 0; | |
869 | } | |
870 | ||
871 | /****************************************************************************** | |
872 | * | |
873 | * cpia2_set_low_power | |
874 | * | |
875 | *****************************************************************************/ | |
876 | int cpia2_set_low_power(struct camera_data *cam) | |
877 | { | |
878 | cam->params.camera_state.power_mode = LO_POWER_MODE; | |
879 | cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL, TRANSFER_WRITE, 0); | |
880 | return 0; | |
881 | } | |
882 | ||
883 | /****************************************************************************** | |
884 | * | |
885 | * apply_vp_patch | |
886 | * | |
887 | *****************************************************************************/ | |
04a33e40 DW |
888 | static int cpia2_send_onebyte_command(struct camera_data *cam, |
889 | struct cpia2_command *cmd, | |
890 | u8 start, u8 datum) | |
891 | { | |
892 | cmd->buffer.block_data[0] = datum; | |
893 | cmd->start = start; | |
894 | cmd->reg_count = 1; | |
895 | return cpia2_send_command(cam, cmd); | |
896 | } | |
897 | ||
ab33d507 AC |
898 | static int apply_vp_patch(struct camera_data *cam) |
899 | { | |
04a33e40 | 900 | const struct firmware *fw; |
229fd7d2 | 901 | const char fw_name[] = FIRMWARE; |
04a33e40 | 902 | int i, ret; |
ab33d507 AC |
903 | struct cpia2_command cmd; |
904 | ||
04a33e40 DW |
905 | ret = request_firmware(&fw, fw_name, &cam->dev->dev); |
906 | if (ret) { | |
907 | printk(KERN_ERR "cpia2: failed to load VP patch \"%s\"\n", | |
908 | fw_name); | |
909 | return ret; | |
910 | } | |
911 | ||
ab33d507 AC |
912 | cmd.req_mode = CAMERAACCESS_TYPE_REPEAT | CAMERAACCESS_VP; |
913 | cmd.direction = TRANSFER_WRITE; | |
914 | ||
04a33e40 DW |
915 | /* First send the start address... */ |
916 | cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */ | |
917 | cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */ | |
ab33d507 | 918 | |
04a33e40 DW |
919 | /* ... followed by the data payload */ |
920 | for (i = 2; i < fw->size; i += 64) { | |
921 | cmd.start = 0x0C; /* Data */ | |
76880b40 | 922 | cmd.reg_count = min_t(uint, 64, fw->size - i); |
04a33e40 | 923 | memcpy(cmd.buffer.block_data, &fw->data[i], cmd.reg_count); |
ab33d507 AC |
924 | cpia2_send_command(cam, &cmd); |
925 | } | |
926 | ||
04a33e40 DW |
927 | /* Next send the start address... */ |
928 | cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */ | |
929 | cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */ | |
930 | ||
931 | /* ... followed by the 'goto' command */ | |
932 | cpia2_send_onebyte_command(cam, &cmd, 0x0D, 1); | |
933 | ||
934 | release_firmware(fw); | |
ab33d507 AC |
935 | return 0; |
936 | } | |
937 | ||
938 | /****************************************************************************** | |
939 | * | |
940 | * set_default_user_mode | |
941 | * | |
942 | *****************************************************************************/ | |
943 | static int set_default_user_mode(struct camera_data *cam) | |
944 | { | |
945 | unsigned char user_mode; | |
946 | unsigned char frame_rate; | |
947 | int width = cam->params.roi.width; | |
948 | int height = cam->params.roi.height; | |
949 | ||
950 | switch (cam->params.version.sensor_flags) { | |
951 | case CPIA2_VP_SENSOR_FLAGS_404: | |
952 | case CPIA2_VP_SENSOR_FLAGS_407: | |
953 | case CPIA2_VP_SENSOR_FLAGS_409: | |
954 | case CPIA2_VP_SENSOR_FLAGS_410: | |
955 | if ((width > STV_IMAGE_QCIF_COLS) | |
956 | || (height > STV_IMAGE_QCIF_ROWS)) { | |
957 | user_mode = CPIA2_VP_USER_MODE_CIF; | |
958 | } else { | |
959 | user_mode = CPIA2_VP_USER_MODE_QCIFDS; | |
960 | } | |
961 | frame_rate = CPIA2_VP_FRAMERATE_30; | |
962 | break; | |
963 | case CPIA2_VP_SENSOR_FLAGS_500: | |
964 | if ((width > STV_IMAGE_CIF_COLS) | |
965 | || (height > STV_IMAGE_CIF_ROWS)) { | |
966 | user_mode = CPIA2_VP_USER_MODE_VGA; | |
967 | } else { | |
968 | user_mode = CPIA2_VP_USER_MODE_QVGADS; | |
969 | } | |
970 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) | |
971 | frame_rate = CPIA2_VP_FRAMERATE_15; | |
972 | else | |
973 | frame_rate = CPIA2_VP_FRAMERATE_30; | |
974 | break; | |
975 | default: | |
94205c7a | 976 | LOG("%s: Invalid sensor flag value 0x%0X\n",__func__, |
ab33d507 AC |
977 | cam->params.version.sensor_flags); |
978 | return -EINVAL; | |
979 | } | |
980 | ||
981 | DBG("Sensor flag = 0x%0x, user mode = 0x%0x, frame rate = 0x%X\n", | |
982 | cam->params.version.sensor_flags, user_mode, frame_rate); | |
983 | cpia2_do_command(cam, CPIA2_CMD_SET_USER_MODE, TRANSFER_WRITE, | |
984 | user_mode); | |
985 | if(cam->params.vp_params.frame_rate > 0 && | |
986 | frame_rate > cam->params.vp_params.frame_rate) | |
987 | frame_rate = cam->params.vp_params.frame_rate; | |
988 | ||
989 | cpia2_set_fps(cam, frame_rate); | |
990 | ||
991 | // if (cam->params.pnp_id.device_type == DEVICE_STV_676) | |
992 | // cpia2_do_command(cam, | |
993 | // CPIA2_CMD_SET_VP_SYSTEM_CTRL, | |
994 | // TRANSFER_WRITE, | |
995 | // CPIA2_VP_SYSTEMCTRL_HK_CONTROL | | |
996 | // CPIA2_VP_SYSTEMCTRL_POWER_CONTROL); | |
997 | ||
998 | return 0; | |
999 | } | |
1000 | ||
1001 | /****************************************************************************** | |
1002 | * | |
1003 | * cpia2_match_video_size | |
1004 | * | |
1005 | * return the best match, where 'best' is as always | |
1006 | * the largest that is not bigger than what is requested. | |
1007 | *****************************************************************************/ | |
1008 | int cpia2_match_video_size(int width, int height) | |
1009 | { | |
1010 | if (width >= STV_IMAGE_VGA_COLS && height >= STV_IMAGE_VGA_ROWS) | |
1011 | return VIDEOSIZE_VGA; | |
1012 | ||
1013 | if (width >= STV_IMAGE_CIF_COLS && height >= STV_IMAGE_CIF_ROWS) | |
1014 | return VIDEOSIZE_CIF; | |
1015 | ||
1016 | if (width >= STV_IMAGE_QVGA_COLS && height >= STV_IMAGE_QVGA_ROWS) | |
1017 | return VIDEOSIZE_QVGA; | |
1018 | ||
1019 | if (width >= 288 && height >= 216) | |
1020 | return VIDEOSIZE_288_216; | |
1021 | ||
1022 | if (width >= 256 && height >= 192) | |
1023 | return VIDEOSIZE_256_192; | |
1024 | ||
1025 | if (width >= 224 && height >= 168) | |
1026 | return VIDEOSIZE_224_168; | |
1027 | ||
1028 | if (width >= 192 && height >= 144) | |
1029 | return VIDEOSIZE_192_144; | |
1030 | ||
1031 | if (width >= STV_IMAGE_QCIF_COLS && height >= STV_IMAGE_QCIF_ROWS) | |
1032 | return VIDEOSIZE_QCIF; | |
1033 | ||
1034 | return -1; | |
1035 | } | |
1036 | ||
1037 | /****************************************************************************** | |
1038 | * | |
1039 | * SetVideoSize | |
1040 | * | |
1041 | *****************************************************************************/ | |
1042 | static int set_vw_size(struct camera_data *cam, int size) | |
1043 | { | |
1044 | int retval = 0; | |
1045 | ||
1046 | cam->params.vp_params.video_size = size; | |
1047 | ||
1048 | switch (size) { | |
1049 | case VIDEOSIZE_VGA: | |
1050 | DBG("Setting size to VGA\n"); | |
1051 | cam->params.roi.width = STV_IMAGE_VGA_COLS; | |
1052 | cam->params.roi.height = STV_IMAGE_VGA_ROWS; | |
873ecd8f HV |
1053 | cam->width = STV_IMAGE_VGA_COLS; |
1054 | cam->height = STV_IMAGE_VGA_ROWS; | |
ab33d507 AC |
1055 | break; |
1056 | case VIDEOSIZE_CIF: | |
1057 | DBG("Setting size to CIF\n"); | |
1058 | cam->params.roi.width = STV_IMAGE_CIF_COLS; | |
1059 | cam->params.roi.height = STV_IMAGE_CIF_ROWS; | |
873ecd8f HV |
1060 | cam->width = STV_IMAGE_CIF_COLS; |
1061 | cam->height = STV_IMAGE_CIF_ROWS; | |
ab33d507 AC |
1062 | break; |
1063 | case VIDEOSIZE_QVGA: | |
1064 | DBG("Setting size to QVGA\n"); | |
1065 | cam->params.roi.width = STV_IMAGE_QVGA_COLS; | |
1066 | cam->params.roi.height = STV_IMAGE_QVGA_ROWS; | |
873ecd8f HV |
1067 | cam->width = STV_IMAGE_QVGA_COLS; |
1068 | cam->height = STV_IMAGE_QVGA_ROWS; | |
ab33d507 AC |
1069 | break; |
1070 | case VIDEOSIZE_288_216: | |
1071 | cam->params.roi.width = 288; | |
1072 | cam->params.roi.height = 216; | |
873ecd8f HV |
1073 | cam->width = 288; |
1074 | cam->height = 216; | |
ab33d507 AC |
1075 | break; |
1076 | case VIDEOSIZE_256_192: | |
873ecd8f HV |
1077 | cam->width = 256; |
1078 | cam->height = 192; | |
ab33d507 AC |
1079 | cam->params.roi.width = 256; |
1080 | cam->params.roi.height = 192; | |
1081 | break; | |
1082 | case VIDEOSIZE_224_168: | |
873ecd8f HV |
1083 | cam->width = 224; |
1084 | cam->height = 168; | |
ab33d507 AC |
1085 | cam->params.roi.width = 224; |
1086 | cam->params.roi.height = 168; | |
1087 | break; | |
1088 | case VIDEOSIZE_192_144: | |
873ecd8f HV |
1089 | cam->width = 192; |
1090 | cam->height = 144; | |
ab33d507 AC |
1091 | cam->params.roi.width = 192; |
1092 | cam->params.roi.height = 144; | |
1093 | break; | |
1094 | case VIDEOSIZE_QCIF: | |
1095 | DBG("Setting size to QCIF\n"); | |
1096 | cam->params.roi.width = STV_IMAGE_QCIF_COLS; | |
1097 | cam->params.roi.height = STV_IMAGE_QCIF_ROWS; | |
873ecd8f HV |
1098 | cam->width = STV_IMAGE_QCIF_COLS; |
1099 | cam->height = STV_IMAGE_QCIF_ROWS; | |
ab33d507 AC |
1100 | break; |
1101 | default: | |
1102 | retval = -EINVAL; | |
1103 | } | |
1104 | return retval; | |
1105 | } | |
1106 | ||
1107 | /****************************************************************************** | |
1108 | * | |
1109 | * configure_sensor | |
1110 | * | |
1111 | *****************************************************************************/ | |
1112 | static int configure_sensor(struct camera_data *cam, | |
1113 | int req_width, int req_height) | |
1114 | { | |
1115 | int retval; | |
1116 | ||
1117 | switch (cam->params.version.sensor_flags) { | |
1118 | case CPIA2_VP_SENSOR_FLAGS_404: | |
1119 | case CPIA2_VP_SENSOR_FLAGS_407: | |
1120 | case CPIA2_VP_SENSOR_FLAGS_409: | |
1121 | case CPIA2_VP_SENSOR_FLAGS_410: | |
1122 | retval = config_sensor_410(cam, req_width, req_height); | |
1123 | break; | |
1124 | case CPIA2_VP_SENSOR_FLAGS_500: | |
1125 | retval = config_sensor_500(cam, req_width, req_height); | |
1126 | break; | |
1127 | default: | |
1128 | return -EINVAL; | |
1129 | } | |
1130 | ||
1131 | return retval; | |
1132 | } | |
1133 | ||
1134 | /****************************************************************************** | |
1135 | * | |
1136 | * config_sensor_410 | |
1137 | * | |
1138 | *****************************************************************************/ | |
1139 | static int config_sensor_410(struct camera_data *cam, | |
1140 | int req_width, int req_height) | |
1141 | { | |
1142 | struct cpia2_command cmd; | |
1143 | int i = 0; | |
1144 | int image_size; | |
1145 | int image_type; | |
1146 | int width = req_width; | |
1147 | int height = req_height; | |
1148 | ||
1149 | /*** | |
1150 | * Make sure size doesn't exceed CIF. | |
1151 | ***/ | |
1152 | if (width > STV_IMAGE_CIF_COLS) | |
1153 | width = STV_IMAGE_CIF_COLS; | |
1154 | if (height > STV_IMAGE_CIF_ROWS) | |
1155 | height = STV_IMAGE_CIF_ROWS; | |
1156 | ||
1157 | image_size = cpia2_match_video_size(width, height); | |
1158 | ||
1159 | DBG("Config 410: width = %d, height = %d\n", width, height); | |
1160 | DBG("Image size returned is %d\n", image_size); | |
1161 | if (image_size >= 0) { | |
1162 | set_vw_size(cam, image_size); | |
1163 | width = cam->params.roi.width; | |
1164 | height = cam->params.roi.height; | |
1165 | ||
1166 | DBG("After set_vw_size(), width = %d, height = %d\n", | |
1167 | width, height); | |
1168 | if (width <= 176 && height <= 144) { | |
1169 | DBG("image type = VIDEOSIZE_QCIF\n"); | |
1170 | image_type = VIDEOSIZE_QCIF; | |
1171 | } | |
1172 | else if (width <= 320 && height <= 240) { | |
1173 | DBG("image type = VIDEOSIZE_QVGA\n"); | |
1174 | image_type = VIDEOSIZE_QVGA; | |
1175 | } | |
1176 | else { | |
1177 | DBG("image type = VIDEOSIZE_CIF\n"); | |
1178 | image_type = VIDEOSIZE_CIF; | |
1179 | } | |
1180 | } else { | |
1181 | ERR("ConfigSensor410 failed\n"); | |
1182 | return -EINVAL; | |
1183 | } | |
1184 | ||
1185 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
1186 | cmd.direction = TRANSFER_WRITE; | |
1187 | ||
1188 | /* VC Format */ | |
1189 | cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT; | |
1190 | if (image_type == VIDEOSIZE_CIF) { | |
1191 | cmd.buffer.registers[i++].value = | |
1192 | (u8) (CPIA2_VC_VC_FORMAT_UFIRST | | |
1193 | CPIA2_VC_VC_FORMAT_SHORTLINE); | |
1194 | } else { | |
1195 | cmd.buffer.registers[i++].value = | |
1196 | (u8) CPIA2_VC_VC_FORMAT_UFIRST; | |
1197 | } | |
1198 | ||
1199 | /* VC Clocks */ | |
1200 | cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS; | |
1201 | if (image_type == VIDEOSIZE_QCIF) { | |
1202 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { | |
1203 | cmd.buffer.registers[i++].value= | |
1204 | (u8)(CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 | | |
1205 | CPIA2_VC_VC_672_CLOCKS_SCALING | | |
1206 | CPIA2_VC_VC_CLOCKS_LOGDIV2); | |
1207 | DBG("VC_Clocks (0xc4) should be B\n"); | |
1208 | } | |
1209 | else { | |
1210 | cmd.buffer.registers[i++].value= | |
1211 | (u8)(CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 | | |
1212 | CPIA2_VC_VC_CLOCKS_LOGDIV2); | |
1213 | } | |
1214 | } else { | |
1215 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { | |
1216 | cmd.buffer.registers[i++].value = | |
1217 | (u8) (CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 | | |
1218 | CPIA2_VC_VC_CLOCKS_LOGDIV0); | |
1219 | } | |
1220 | else { | |
1221 | cmd.buffer.registers[i++].value = | |
1222 | (u8) (CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 | | |
1223 | CPIA2_VC_VC_676_CLOCKS_SCALING | | |
1224 | CPIA2_VC_VC_CLOCKS_LOGDIV0); | |
1225 | } | |
1226 | } | |
1227 | DBG("VC_Clocks (0xc4) = 0x%0X\n", cmd.buffer.registers[i-1].value); | |
1228 | ||
1229 | /* Input reqWidth from VC */ | |
1230 | cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO; | |
1231 | if (image_type == VIDEOSIZE_QCIF) | |
1232 | cmd.buffer.registers[i++].value = | |
1233 | (u8) (STV_IMAGE_QCIF_COLS / 4); | |
1234 | else | |
1235 | cmd.buffer.registers[i++].value = | |
1236 | (u8) (STV_IMAGE_CIF_COLS / 4); | |
1237 | ||
1238 | /* Timings */ | |
1239 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI; | |
1240 | if (image_type == VIDEOSIZE_QCIF) | |
1241 | cmd.buffer.registers[i++].value = (u8) 0; | |
1242 | else | |
1243 | cmd.buffer.registers[i++].value = (u8) 1; | |
1244 | ||
1245 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO; | |
1246 | if (image_type == VIDEOSIZE_QCIF) | |
1247 | cmd.buffer.registers[i++].value = (u8) 208; | |
1248 | else | |
1249 | cmd.buffer.registers[i++].value = (u8) 160; | |
1250 | ||
1251 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI; | |
1252 | if (image_type == VIDEOSIZE_QCIF) | |
1253 | cmd.buffer.registers[i++].value = (u8) 0; | |
1254 | else | |
1255 | cmd.buffer.registers[i++].value = (u8) 1; | |
1256 | ||
1257 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO; | |
1258 | if (image_type == VIDEOSIZE_QCIF) | |
1259 | cmd.buffer.registers[i++].value = (u8) 160; | |
1260 | else | |
1261 | cmd.buffer.registers[i++].value = (u8) 64; | |
1262 | ||
1263 | /* Output Image Size */ | |
1264 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE; | |
1265 | cmd.buffer.registers[i++].value = cam->params.roi.width / 4; | |
1266 | ||
1267 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE; | |
1268 | cmd.buffer.registers[i++].value = cam->params.roi.height / 4; | |
1269 | ||
1270 | /* Cropping */ | |
1271 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP; | |
1272 | if (image_type == VIDEOSIZE_QCIF) | |
1273 | cmd.buffer.registers[i++].value = | |
1274 | (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2); | |
1275 | else | |
1276 | cmd.buffer.registers[i++].value = | |
1277 | (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2); | |
1278 | ||
1279 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP; | |
1280 | if (image_type == VIDEOSIZE_QCIF) | |
1281 | cmd.buffer.registers[i++].value = | |
1282 | (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2); | |
1283 | else | |
1284 | cmd.buffer.registers[i++].value = | |
1285 | (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2); | |
1286 | ||
1287 | /* Scaling registers (defaults) */ | |
1288 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE; | |
1289 | cmd.buffer.registers[i++].value = (u8) 0; | |
1290 | ||
1291 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE; | |
1292 | cmd.buffer.registers[i++].value = (u8) 0; | |
1293 | ||
1294 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN; | |
1295 | cmd.buffer.registers[i++].value = (u8) 31; | |
1296 | ||
1297 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN; | |
1298 | cmd.buffer.registers[i++].value = (u8) 31; | |
1299 | ||
1300 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP; | |
1301 | cmd.buffer.registers[i++].value = (u8) 0; | |
1302 | ||
1303 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP; | |
1304 | cmd.buffer.registers[i++].value = (u8) 0; | |
1305 | ||
1306 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT; | |
1307 | cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */ | |
1308 | ||
1309 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT; | |
1310 | cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */ | |
1311 | ||
1312 | cmd.reg_count = i; | |
1313 | ||
1314 | cpia2_send_command(cam, &cmd); | |
1315 | ||
1316 | return i; | |
1317 | } | |
1318 | ||
1319 | ||
1320 | /****************************************************************************** | |
1321 | * | |
1322 | * config_sensor_500(cam) | |
1323 | * | |
1324 | *****************************************************************************/ | |
1325 | static int config_sensor_500(struct camera_data *cam, | |
1326 | int req_width, int req_height) | |
1327 | { | |
1328 | struct cpia2_command cmd; | |
1329 | int i = 0; | |
1330 | int image_size = VIDEOSIZE_CIF; | |
1331 | int image_type = VIDEOSIZE_VGA; | |
1332 | int width = req_width; | |
1333 | int height = req_height; | |
1334 | unsigned int device = cam->params.pnp_id.device_type; | |
1335 | ||
1336 | image_size = cpia2_match_video_size(width, height); | |
1337 | ||
1338 | if (width > STV_IMAGE_CIF_COLS || height > STV_IMAGE_CIF_ROWS) | |
1339 | image_type = VIDEOSIZE_VGA; | |
1340 | else if (width > STV_IMAGE_QVGA_COLS || height > STV_IMAGE_QVGA_ROWS) | |
1341 | image_type = VIDEOSIZE_CIF; | |
1342 | else if (width > STV_IMAGE_QCIF_COLS || height > STV_IMAGE_QCIF_ROWS) | |
1343 | image_type = VIDEOSIZE_QVGA; | |
1344 | else | |
1345 | image_type = VIDEOSIZE_QCIF; | |
1346 | ||
1347 | if (image_size >= 0) { | |
1348 | set_vw_size(cam, image_size); | |
1349 | width = cam->params.roi.width; | |
1350 | height = cam->params.roi.height; | |
1351 | } else { | |
1352 | ERR("ConfigSensor500 failed\n"); | |
1353 | return -EINVAL; | |
1354 | } | |
1355 | ||
1356 | DBG("image_size = %d, width = %d, height = %d, type = %d\n", | |
1357 | image_size, width, height, image_type); | |
1358 | ||
1359 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; | |
1360 | cmd.direction = TRANSFER_WRITE; | |
1361 | i = 0; | |
1362 | ||
1363 | /* VC Format */ | |
1364 | cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT; | |
1365 | cmd.buffer.registers[i].value = (u8) CPIA2_VC_VC_FORMAT_UFIRST; | |
1366 | if (image_type == VIDEOSIZE_QCIF) | |
1367 | cmd.buffer.registers[i].value |= (u8) CPIA2_VC_VC_FORMAT_DECIMATING; | |
1368 | i++; | |
1369 | ||
1370 | /* VC Clocks */ | |
1371 | cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS; | |
1372 | if (device == DEVICE_STV_672) { | |
1373 | if (image_type == VIDEOSIZE_VGA) | |
1374 | cmd.buffer.registers[i].value = | |
1375 | (u8)CPIA2_VC_VC_CLOCKS_LOGDIV1; | |
1376 | else | |
1377 | cmd.buffer.registers[i].value = | |
1378 | (u8)(CPIA2_VC_VC_672_CLOCKS_SCALING | | |
1379 | CPIA2_VC_VC_CLOCKS_LOGDIV3); | |
1380 | } else { | |
1381 | if (image_type == VIDEOSIZE_VGA) | |
1382 | cmd.buffer.registers[i].value = | |
1383 | (u8)CPIA2_VC_VC_CLOCKS_LOGDIV0; | |
1384 | else | |
1385 | cmd.buffer.registers[i].value = | |
1386 | (u8)(CPIA2_VC_VC_676_CLOCKS_SCALING | | |
1387 | CPIA2_VC_VC_CLOCKS_LOGDIV2); | |
1388 | } | |
1389 | i++; | |
1390 | ||
1391 | DBG("VC_CLOCKS = 0x%X\n", cmd.buffer.registers[i-1].value); | |
1392 | ||
1393 | /* Input width from VP */ | |
1394 | cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO; | |
1395 | if (image_type == VIDEOSIZE_VGA) | |
1396 | cmd.buffer.registers[i].value = | |
1397 | (u8) (STV_IMAGE_VGA_COLS / 4); | |
1398 | else | |
1399 | cmd.buffer.registers[i].value = | |
1400 | (u8) (STV_IMAGE_QVGA_COLS / 4); | |
1401 | i++; | |
1402 | DBG("Input width = %d\n", cmd.buffer.registers[i-1].value); | |
1403 | ||
1404 | /* Timings */ | |
1405 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI; | |
1406 | if (image_type == VIDEOSIZE_VGA) | |
1407 | cmd.buffer.registers[i++].value = (u8) 2; | |
1408 | else | |
1409 | cmd.buffer.registers[i++].value = (u8) 1; | |
1410 | ||
1411 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO; | |
1412 | if (image_type == VIDEOSIZE_VGA) | |
1413 | cmd.buffer.registers[i++].value = (u8) 250; | |
1414 | else if (image_type == VIDEOSIZE_QVGA) | |
1415 | cmd.buffer.registers[i++].value = (u8) 125; | |
1416 | else | |
1417 | cmd.buffer.registers[i++].value = (u8) 160; | |
1418 | ||
1419 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI; | |
1420 | if (image_type == VIDEOSIZE_VGA) | |
1421 | cmd.buffer.registers[i++].value = (u8) 2; | |
1422 | else | |
1423 | cmd.buffer.registers[i++].value = (u8) 1; | |
1424 | ||
1425 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO; | |
1426 | if (image_type == VIDEOSIZE_VGA) | |
1427 | cmd.buffer.registers[i++].value = (u8) 12; | |
1428 | else if (image_type == VIDEOSIZE_QVGA) | |
1429 | cmd.buffer.registers[i++].value = (u8) 64; | |
1430 | else | |
1431 | cmd.buffer.registers[i++].value = (u8) 6; | |
1432 | ||
1433 | /* Output Image Size */ | |
1434 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE; | |
1435 | if (image_type == VIDEOSIZE_QCIF) | |
1436 | cmd.buffer.registers[i++].value = STV_IMAGE_CIF_COLS / 4; | |
1437 | else | |
1438 | cmd.buffer.registers[i++].value = width / 4; | |
1439 | ||
1440 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE; | |
1441 | if (image_type == VIDEOSIZE_QCIF) | |
1442 | cmd.buffer.registers[i++].value = STV_IMAGE_CIF_ROWS / 4; | |
1443 | else | |
1444 | cmd.buffer.registers[i++].value = height / 4; | |
1445 | ||
1446 | /* Cropping */ | |
1447 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP; | |
1448 | if (image_type == VIDEOSIZE_VGA) | |
1449 | cmd.buffer.registers[i++].value = | |
1450 | (u8) (((STV_IMAGE_VGA_COLS / 4) - (width / 4)) / 2); | |
1451 | else if (image_type == VIDEOSIZE_QVGA) | |
1452 | cmd.buffer.registers[i++].value = | |
1453 | (u8) (((STV_IMAGE_QVGA_COLS / 4) - (width / 4)) / 2); | |
1454 | else if (image_type == VIDEOSIZE_CIF) | |
1455 | cmd.buffer.registers[i++].value = | |
1456 | (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2); | |
1457 | else /*if (image_type == VIDEOSIZE_QCIF)*/ | |
1458 | cmd.buffer.registers[i++].value = | |
1459 | (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2); | |
1460 | ||
1461 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP; | |
1462 | if (image_type == VIDEOSIZE_VGA) | |
1463 | cmd.buffer.registers[i++].value = | |
1464 | (u8) (((STV_IMAGE_VGA_ROWS / 4) - (height / 4)) / 2); | |
1465 | else if (image_type == VIDEOSIZE_QVGA) | |
1466 | cmd.buffer.registers[i++].value = | |
1467 | (u8) (((STV_IMAGE_QVGA_ROWS / 4) - (height / 4)) / 2); | |
1468 | else if (image_type == VIDEOSIZE_CIF) | |
1469 | cmd.buffer.registers[i++].value = | |
1470 | (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2); | |
1471 | else /*if (image_type == VIDEOSIZE_QCIF)*/ | |
1472 | cmd.buffer.registers[i++].value = | |
1473 | (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2); | |
1474 | ||
1475 | /* Scaling registers (defaults) */ | |
1476 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE; | |
1477 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1478 | cmd.buffer.registers[i++].value = (u8) 36; | |
1479 | else | |
1480 | cmd.buffer.registers[i++].value = (u8) 0; | |
1481 | ||
1482 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE; | |
1483 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1484 | cmd.buffer.registers[i++].value = (u8) 32; | |
1485 | else | |
1486 | cmd.buffer.registers[i++].value = (u8) 0; | |
1487 | ||
1488 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN; | |
1489 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1490 | cmd.buffer.registers[i++].value = (u8) 26; | |
1491 | else | |
1492 | cmd.buffer.registers[i++].value = (u8) 31; | |
1493 | ||
1494 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN; | |
1495 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1496 | cmd.buffer.registers[i++].value = (u8) 21; | |
1497 | else | |
1498 | cmd.buffer.registers[i++].value = (u8) 31; | |
1499 | ||
1500 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP; | |
1501 | cmd.buffer.registers[i++].value = (u8) 0; | |
1502 | ||
1503 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP; | |
1504 | cmd.buffer.registers[i++].value = (u8) 0; | |
1505 | ||
1506 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT; | |
1507 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1508 | cmd.buffer.registers[i++].value = (u8) 0x2B; /* 2/11 */ | |
1509 | else | |
1510 | cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */ | |
1511 | ||
1512 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT; | |
1513 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) | |
1514 | cmd.buffer.registers[i++].value = (u8) 0x13; /* 1/3 */ | |
1515 | else | |
1516 | cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */ | |
1517 | ||
1518 | cmd.reg_count = i; | |
1519 | ||
1520 | cpia2_send_command(cam, &cmd); | |
1521 | ||
1522 | return i; | |
1523 | } | |
1524 | ||
1525 | ||
1526 | /****************************************************************************** | |
1527 | * | |
1528 | * setallproperties | |
1529 | * | |
1530 | * This sets all user changeable properties to the values in cam->params. | |
1531 | *****************************************************************************/ | |
d45b9b8a | 1532 | static int set_all_properties(struct camera_data *cam) |
ab33d507 AC |
1533 | { |
1534 | /** | |
1535 | * Don't set target_kb here, it will be set later. | |
1536 | * framerate and user_mode were already set (set_default_user_mode). | |
1537 | **/ | |
1538 | ||
ab33d507 AC |
1539 | cpia2_usb_change_streaming_alternate(cam, |
1540 | cam->params.camera_state.stream_mode); | |
1541 | ||
ab33d507 AC |
1542 | cpia2_do_command(cam, |
1543 | CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, | |
1544 | TRANSFER_WRITE, cam->params.vp_params.gpio_direction); | |
1545 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA, TRANSFER_WRITE, | |
1546 | cam->params.vp_params.gpio_data); | |
1547 | ||
6c493f8b HV |
1548 | v4l2_ctrl_handler_setup(&cam->hdl); |
1549 | ||
ab33d507 AC |
1550 | wake_system(cam); |
1551 | ||
1552 | set_lowlight_boost(cam); | |
1553 | ||
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | /****************************************************************************** | |
1558 | * | |
1559 | * cpia2_save_camera_state | |
1560 | * | |
1561 | *****************************************************************************/ | |
1562 | void cpia2_save_camera_state(struct camera_data *cam) | |
1563 | { | |
ab33d507 AC |
1564 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); |
1565 | cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION, TRANSFER_READ, | |
1566 | 0); | |
1567 | cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DATA, TRANSFER_READ, 0); | |
1568 | /* Don't get framerate or target_kb. Trust the values we already have */ | |
1569 | } | |
1570 | ||
ab33d507 AC |
1571 | |
1572 | /****************************************************************************** | |
1573 | * | |
1574 | * cpia2_set_flicker_mode | |
1575 | * | |
1576 | *****************************************************************************/ | |
1577 | int cpia2_set_flicker_mode(struct camera_data *cam, int mode) | |
1578 | { | |
1579 | unsigned char cam_reg; | |
1580 | int err = 0; | |
1581 | ||
1582 | if(cam->params.pnp_id.device_type != DEVICE_STV_672) | |
1583 | return -EINVAL; | |
1584 | ||
1585 | /* Set the appropriate bits in FLICKER_MODES, preserving the rest */ | |
1586 | if((err = cpia2_do_command(cam, CPIA2_CMD_GET_FLICKER_MODES, | |
1587 | TRANSFER_READ, 0))) | |
1588 | return err; | |
1589 | cam_reg = cam->params.flicker_control.cam_register; | |
1590 | ||
1591 | switch(mode) { | |
1592 | case NEVER_FLICKER: | |
1593 | cam_reg |= CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; | |
1594 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ; | |
1595 | break; | |
1596 | case FLICKER_60: | |
1597 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; | |
1598 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ; | |
1599 | break; | |
1600 | case FLICKER_50: | |
1601 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; | |
1602 | cam_reg |= CPIA2_VP_FLICKER_MODES_50HZ; | |
1603 | break; | |
1604 | default: | |
1605 | return -EINVAL; | |
1606 | } | |
1607 | ||
1608 | if((err = cpia2_do_command(cam, CPIA2_CMD_SET_FLICKER_MODES, | |
1609 | TRANSFER_WRITE, cam_reg))) | |
1610 | return err; | |
1611 | ||
1612 | /* Set the appropriate bits in EXP_MODES, preserving the rest */ | |
1613 | if((err = cpia2_do_command(cam, CPIA2_CMD_GET_VP_EXP_MODES, | |
1614 | TRANSFER_READ, 0))) | |
1615 | return err; | |
1616 | cam_reg = cam->params.vp_params.exposure_modes; | |
1617 | ||
1618 | if (mode == NEVER_FLICKER) { | |
1619 | cam_reg |= CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER; | |
1620 | } else { | |
1621 | cam_reg &= ~CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER; | |
1622 | } | |
1623 | ||
1624 | if((err = cpia2_do_command(cam, CPIA2_CMD_SET_VP_EXP_MODES, | |
1625 | TRANSFER_WRITE, cam_reg))) | |
1626 | return err; | |
1627 | ||
1628 | if((err = cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4, | |
1629 | TRANSFER_WRITE, 1))) | |
1630 | return err; | |
1631 | ||
1632 | switch(mode) { | |
1633 | case NEVER_FLICKER: | |
ab33d507 | 1634 | case FLICKER_60: |
ab33d507 AC |
1635 | case FLICKER_50: |
1636 | cam->params.flicker_control.flicker_mode_req = mode; | |
ab33d507 AC |
1637 | break; |
1638 | default: | |
1639 | err = -EINVAL; | |
1640 | } | |
1641 | ||
1642 | return err; | |
1643 | } | |
1644 | ||
1645 | /****************************************************************************** | |
1646 | * | |
1647 | * cpia2_set_property_flip | |
1648 | * | |
1649 | *****************************************************************************/ | |
1650 | void cpia2_set_property_flip(struct camera_data *cam, int prop_val) | |
1651 | { | |
1652 | unsigned char cam_reg; | |
1653 | ||
1654 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); | |
1655 | cam_reg = cam->params.vp_params.user_effects; | |
1656 | ||
1657 | if (prop_val) | |
1658 | { | |
1659 | cam_reg |= CPIA2_VP_USER_EFFECTS_FLIP; | |
1660 | } | |
1661 | else | |
1662 | { | |
1663 | cam_reg &= ~CPIA2_VP_USER_EFFECTS_FLIP; | |
1664 | } | |
6c493f8b | 1665 | cam->params.vp_params.user_effects = cam_reg; |
ab33d507 AC |
1666 | cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE, |
1667 | cam_reg); | |
1668 | } | |
1669 | ||
1670 | /****************************************************************************** | |
1671 | * | |
1672 | * cpia2_set_property_mirror | |
1673 | * | |
1674 | *****************************************************************************/ | |
1675 | void cpia2_set_property_mirror(struct camera_data *cam, int prop_val) | |
1676 | { | |
1677 | unsigned char cam_reg; | |
1678 | ||
1679 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); | |
1680 | cam_reg = cam->params.vp_params.user_effects; | |
1681 | ||
1682 | if (prop_val) | |
1683 | { | |
1684 | cam_reg |= CPIA2_VP_USER_EFFECTS_MIRROR; | |
1685 | } | |
1686 | else | |
1687 | { | |
1688 | cam_reg &= ~CPIA2_VP_USER_EFFECTS_MIRROR; | |
1689 | } | |
6c493f8b | 1690 | cam->params.vp_params.user_effects = cam_reg; |
ab33d507 AC |
1691 | cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE, |
1692 | cam_reg); | |
1693 | } | |
1694 | ||
ab33d507 AC |
1695 | /****************************************************************************** |
1696 | * | |
1697 | * cpia2_set_gpio | |
1698 | * | |
1699 | *****************************************************************************/ | |
1700 | int cpia2_set_gpio(struct camera_data *cam, unsigned char setting) | |
1701 | { | |
1702 | int ret; | |
1703 | ||
1704 | /* Set the microport direction (register 0x90, should be defined | |
1705 | * already) to 1 (user output), and set the microport data (0x91) to | |
1706 | * the value in the ioctl argument. | |
1707 | */ | |
1708 | ||
1709 | ret = cpia2_do_command(cam, | |
1710 | CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, | |
1711 | CPIA2_VC_MP_DIR_OUTPUT, | |
1712 | 255); | |
1713 | if (ret < 0) | |
1714 | return ret; | |
1715 | cam->params.vp_params.gpio_direction = 255; | |
1716 | ||
1717 | ret = cpia2_do_command(cam, | |
1718 | CPIA2_CMD_SET_VC_MP_GPIO_DATA, | |
1719 | CPIA2_VC_MP_DIR_OUTPUT, | |
1720 | setting); | |
1721 | if (ret < 0) | |
1722 | return ret; | |
1723 | cam->params.vp_params.gpio_data = setting; | |
1724 | ||
1725 | return 0; | |
1726 | } | |
1727 | ||
1728 | /****************************************************************************** | |
1729 | * | |
1730 | * cpia2_set_fps | |
1731 | * | |
1732 | *****************************************************************************/ | |
1733 | int cpia2_set_fps(struct camera_data *cam, int framerate) | |
1734 | { | |
1735 | int retval; | |
1736 | ||
1737 | switch(framerate) { | |
1738 | case CPIA2_VP_FRAMERATE_30: | |
1739 | case CPIA2_VP_FRAMERATE_25: | |
1740 | if(cam->params.pnp_id.device_type == DEVICE_STV_672 && | |
1741 | cam->params.version.sensor_flags == | |
1742 | CPIA2_VP_SENSOR_FLAGS_500) { | |
1743 | return -EINVAL; | |
1744 | } | |
1745 | /* Fall through */ | |
1746 | case CPIA2_VP_FRAMERATE_15: | |
1747 | case CPIA2_VP_FRAMERATE_12_5: | |
1748 | case CPIA2_VP_FRAMERATE_7_5: | |
1749 | case CPIA2_VP_FRAMERATE_6_25: | |
1750 | break; | |
1751 | default: | |
1752 | return -EINVAL; | |
1753 | } | |
1754 | ||
1755 | if (cam->params.pnp_id.device_type == DEVICE_STV_672 && | |
1756 | framerate == CPIA2_VP_FRAMERATE_15) | |
1757 | framerate = 0; /* Work around bug in VP4 */ | |
1758 | ||
1759 | retval = cpia2_do_command(cam, | |
1760 | CPIA2_CMD_FRAMERATE_REQ, | |
1761 | TRANSFER_WRITE, | |
1762 | framerate); | |
1763 | ||
1764 | if(retval == 0) | |
1765 | cam->params.vp_params.frame_rate = framerate; | |
1766 | ||
1767 | return retval; | |
1768 | } | |
1769 | ||
1770 | /****************************************************************************** | |
1771 | * | |
1772 | * cpia2_set_brightness | |
1773 | * | |
1774 | *****************************************************************************/ | |
1775 | void cpia2_set_brightness(struct camera_data *cam, unsigned char value) | |
1776 | { | |
1777 | /*** | |
1778 | * Don't let the register be set to zero - bug in VP4 - flash of full | |
1779 | * brightness | |
1780 | ***/ | |
1781 | if (cam->params.pnp_id.device_type == DEVICE_STV_672 && value == 0) | |
1782 | value++; | |
1783 | DBG("Setting brightness to %d (0x%0x)\n", value, value); | |
6c493f8b | 1784 | cpia2_do_command(cam, CPIA2_CMD_SET_VP_BRIGHTNESS, TRANSFER_WRITE, value); |
ab33d507 AC |
1785 | } |
1786 | ||
1787 | /****************************************************************************** | |
1788 | * | |
1789 | * cpia2_set_contrast | |
1790 | * | |
1791 | *****************************************************************************/ | |
1792 | void cpia2_set_contrast(struct camera_data *cam, unsigned char value) | |
1793 | { | |
1794 | DBG("Setting contrast to %d (0x%0x)\n", value, value); | |
ab33d507 AC |
1795 | cpia2_do_command(cam, CPIA2_CMD_SET_CONTRAST, TRANSFER_WRITE, value); |
1796 | } | |
1797 | ||
1798 | /****************************************************************************** | |
1799 | * | |
1800 | * cpia2_set_saturation | |
1801 | * | |
1802 | *****************************************************************************/ | |
1803 | void cpia2_set_saturation(struct camera_data *cam, unsigned char value) | |
1804 | { | |
1805 | DBG("Setting saturation to %d (0x%0x)\n", value, value); | |
ab33d507 AC |
1806 | cpia2_do_command(cam,CPIA2_CMD_SET_VP_SATURATION, TRANSFER_WRITE,value); |
1807 | } | |
1808 | ||
1809 | /****************************************************************************** | |
1810 | * | |
1811 | * wake_system | |
1812 | * | |
1813 | *****************************************************************************/ | |
d45b9b8a | 1814 | static void wake_system(struct camera_data *cam) |
ab33d507 AC |
1815 | { |
1816 | cpia2_do_command(cam, CPIA2_CMD_SET_WAKEUP, TRANSFER_WRITE, 0); | |
1817 | } | |
1818 | ||
1819 | /****************************************************************************** | |
1820 | * | |
1821 | * set_lowlight_boost | |
1822 | * | |
1823 | * Valid for STV500 sensor only | |
1824 | *****************************************************************************/ | |
d45b9b8a | 1825 | static void set_lowlight_boost(struct camera_data *cam) |
ab33d507 AC |
1826 | { |
1827 | struct cpia2_command cmd; | |
1828 | ||
1829 | if (cam->params.pnp_id.device_type != DEVICE_STV_672 || | |
1830 | cam->params.version.sensor_flags != CPIA2_VP_SENSOR_FLAGS_500) | |
1831 | return; | |
1832 | ||
1833 | cmd.direction = TRANSFER_WRITE; | |
1834 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
1835 | cmd.reg_count = 3; | |
1836 | cmd.start = CPIA2_VP_RAM_ADDR_H; | |
1837 | ||
1838 | cmd.buffer.block_data[0] = 0; /* High byte of address to write to */ | |
1839 | cmd.buffer.block_data[1] = 0x59; /* Low byte of address to write to */ | |
1840 | cmd.buffer.block_data[2] = 0; /* High byte of data to write */ | |
1841 | ||
1842 | cpia2_send_command(cam, &cmd); | |
1843 | ||
1844 | if (cam->params.vp_params.lowlight_boost) { | |
1845 | cmd.buffer.block_data[0] = 0x02; /* Low byte data to write */ | |
1846 | } else { | |
1847 | cmd.buffer.block_data[0] = 0x06; | |
1848 | } | |
1849 | cmd.start = CPIA2_VP_RAM_DATA; | |
1850 | cmd.reg_count = 1; | |
1851 | cpia2_send_command(cam, &cmd); | |
1852 | ||
1853 | /* Rehash the VP4 values */ | |
1854 | cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4, TRANSFER_WRITE, 1); | |
1855 | } | |
1856 | ||
1857 | /****************************************************************************** | |
1858 | * | |
1859 | * cpia2_set_format | |
1860 | * | |
1861 | * Assumes that new size is already set in param struct. | |
1862 | *****************************************************************************/ | |
1863 | void cpia2_set_format(struct camera_data *cam) | |
1864 | { | |
1865 | cam->flush = true; | |
1866 | ||
1867 | cpia2_usb_stream_pause(cam); | |
1868 | ||
1869 | /* reset camera to new size */ | |
1870 | cpia2_set_low_power(cam); | |
1871 | cpia2_reset_camera(cam); | |
1872 | cam->flush = false; | |
1873 | ||
1874 | cpia2_dbg_dump_registers(cam); | |
1875 | ||
1876 | cpia2_usb_stream_resume(cam); | |
1877 | } | |
1878 | ||
1879 | /****************************************************************************** | |
1880 | * | |
1881 | * cpia2_dbg_dump_registers | |
1882 | * | |
1883 | *****************************************************************************/ | |
1884 | void cpia2_dbg_dump_registers(struct camera_data *cam) | |
1885 | { | |
1886 | #ifdef _CPIA2_DEBUG_ | |
1887 | struct cpia2_command cmd; | |
1888 | ||
1889 | if (!(debugs_on & DEBUG_DUMP_REGS)) | |
1890 | return; | |
1891 | ||
1892 | cmd.direction = TRANSFER_READ; | |
1893 | ||
1894 | /* Start with bank 0 (SYSTEM) */ | |
1895 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; | |
1896 | cmd.reg_count = 3; | |
1897 | cmd.start = 0; | |
1898 | cpia2_send_command(cam, &cmd); | |
1899 | printk(KERN_DEBUG "System Device Hi = 0x%X\n", | |
1900 | cmd.buffer.block_data[0]); | |
1901 | printk(KERN_DEBUG "System Device Lo = 0x%X\n", | |
1902 | cmd.buffer.block_data[1]); | |
1903 | printk(KERN_DEBUG "System_system control = 0x%X\n", | |
1904 | cmd.buffer.block_data[2]); | |
1905 | ||
1906 | /* Bank 1 (VC) */ | |
1907 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; | |
1908 | cmd.reg_count = 4; | |
1909 | cmd.start = 0x80; | |
1910 | cpia2_send_command(cam, &cmd); | |
1911 | printk(KERN_DEBUG "ASIC_ID = 0x%X\n", | |
1912 | cmd.buffer.block_data[0]); | |
1913 | printk(KERN_DEBUG "ASIC_REV = 0x%X\n", | |
1914 | cmd.buffer.block_data[1]); | |
1915 | printk(KERN_DEBUG "PW_CONTRL = 0x%X\n", | |
1916 | cmd.buffer.block_data[2]); | |
1917 | printk(KERN_DEBUG "WAKEUP = 0x%X\n", | |
1918 | cmd.buffer.block_data[3]); | |
1919 | ||
1920 | cmd.start = 0xA0; /* ST_CTRL */ | |
1921 | cmd.reg_count = 1; | |
1922 | cpia2_send_command(cam, &cmd); | |
1923 | printk(KERN_DEBUG "Stream ctrl = 0x%X\n", | |
1924 | cmd.buffer.block_data[0]); | |
1925 | ||
1926 | cmd.start = 0xA4; /* Stream status */ | |
1927 | cpia2_send_command(cam, &cmd); | |
1928 | printk(KERN_DEBUG "Stream status = 0x%X\n", | |
1929 | cmd.buffer.block_data[0]); | |
1930 | ||
1931 | cmd.start = 0xA8; /* USB status */ | |
1932 | cmd.reg_count = 3; | |
1933 | cpia2_send_command(cam, &cmd); | |
1934 | printk(KERN_DEBUG "USB_CTRL = 0x%X\n", | |
1935 | cmd.buffer.block_data[0]); | |
1936 | printk(KERN_DEBUG "USB_STRM = 0x%X\n", | |
1937 | cmd.buffer.block_data[1]); | |
1938 | printk(KERN_DEBUG "USB_STATUS = 0x%X\n", | |
1939 | cmd.buffer.block_data[2]); | |
1940 | ||
1941 | cmd.start = 0xAF; /* USB settings */ | |
1942 | cmd.reg_count = 1; | |
1943 | cpia2_send_command(cam, &cmd); | |
1944 | printk(KERN_DEBUG "USB settings = 0x%X\n", | |
1945 | cmd.buffer.block_data[0]); | |
1946 | ||
1947 | cmd.start = 0xC0; /* VC stuff */ | |
1948 | cmd.reg_count = 26; | |
1949 | cpia2_send_command(cam, &cmd); | |
1950 | printk(KERN_DEBUG "VC Control = 0x%0X\n", | |
1951 | cmd.buffer.block_data[0]); | |
1952 | printk(KERN_DEBUG "VC Format = 0x%0X\n", | |
1953 | cmd.buffer.block_data[3]); | |
1954 | printk(KERN_DEBUG "VC Clocks = 0x%0X\n", | |
1955 | cmd.buffer.block_data[4]); | |
1956 | printk(KERN_DEBUG "VC IHSize = 0x%0X\n", | |
1957 | cmd.buffer.block_data[5]); | |
1958 | printk(KERN_DEBUG "VC Xlim Hi = 0x%0X\n", | |
1959 | cmd.buffer.block_data[6]); | |
1960 | printk(KERN_DEBUG "VC XLim Lo = 0x%0X\n", | |
1961 | cmd.buffer.block_data[7]); | |
1962 | printk(KERN_DEBUG "VC YLim Hi = 0x%0X\n", | |
1963 | cmd.buffer.block_data[8]); | |
1964 | printk(KERN_DEBUG "VC YLim Lo = 0x%0X\n", | |
1965 | cmd.buffer.block_data[9]); | |
1966 | printk(KERN_DEBUG "VC OHSize = 0x%0X\n", | |
1967 | cmd.buffer.block_data[10]); | |
1968 | printk(KERN_DEBUG "VC OVSize = 0x%0X\n", | |
1969 | cmd.buffer.block_data[11]); | |
1970 | printk(KERN_DEBUG "VC HCrop = 0x%0X\n", | |
1971 | cmd.buffer.block_data[12]); | |
1972 | printk(KERN_DEBUG "VC VCrop = 0x%0X\n", | |
1973 | cmd.buffer.block_data[13]); | |
1974 | printk(KERN_DEBUG "VC HPhase = 0x%0X\n", | |
1975 | cmd.buffer.block_data[14]); | |
1976 | printk(KERN_DEBUG "VC VPhase = 0x%0X\n", | |
1977 | cmd.buffer.block_data[15]); | |
1978 | printk(KERN_DEBUG "VC HIspan = 0x%0X\n", | |
1979 | cmd.buffer.block_data[16]); | |
1980 | printk(KERN_DEBUG "VC VIspan = 0x%0X\n", | |
1981 | cmd.buffer.block_data[17]); | |
1982 | printk(KERN_DEBUG "VC HiCrop = 0x%0X\n", | |
1983 | cmd.buffer.block_data[18]); | |
1984 | printk(KERN_DEBUG "VC ViCrop = 0x%0X\n", | |
1985 | cmd.buffer.block_data[19]); | |
1986 | printk(KERN_DEBUG "VC HiFract = 0x%0X\n", | |
1987 | cmd.buffer.block_data[20]); | |
1988 | printk(KERN_DEBUG "VC ViFract = 0x%0X\n", | |
1989 | cmd.buffer.block_data[21]); | |
1990 | printk(KERN_DEBUG "VC JPeg Opt = 0x%0X\n", | |
1991 | cmd.buffer.block_data[22]); | |
1992 | printk(KERN_DEBUG "VC Creep Per = 0x%0X\n", | |
1993 | cmd.buffer.block_data[23]); | |
1994 | printk(KERN_DEBUG "VC User Sq. = 0x%0X\n", | |
1995 | cmd.buffer.block_data[24]); | |
1996 | printk(KERN_DEBUG "VC Target KB = 0x%0X\n", | |
1997 | cmd.buffer.block_data[25]); | |
1998 | ||
1999 | /*** VP ***/ | |
2000 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; | |
2001 | cmd.reg_count = 14; | |
2002 | cmd.start = 0; | |
2003 | cpia2_send_command(cam, &cmd); | |
2004 | ||
2005 | printk(KERN_DEBUG "VP Dev Hi = 0x%0X\n", | |
2006 | cmd.buffer.block_data[0]); | |
2007 | printk(KERN_DEBUG "VP Dev Lo = 0x%0X\n", | |
2008 | cmd.buffer.block_data[1]); | |
2009 | printk(KERN_DEBUG "VP Sys State = 0x%0X\n", | |
2010 | cmd.buffer.block_data[2]); | |
2011 | printk(KERN_DEBUG "VP Sys Ctrl = 0x%0X\n", | |
2012 | cmd.buffer.block_data[3]); | |
2013 | printk(KERN_DEBUG "VP Sensor flg = 0x%0X\n", | |
2014 | cmd.buffer.block_data[5]); | |
2015 | printk(KERN_DEBUG "VP Sensor Rev = 0x%0X\n", | |
2016 | cmd.buffer.block_data[6]); | |
2017 | printk(KERN_DEBUG "VP Dev Config = 0x%0X\n", | |
2018 | cmd.buffer.block_data[7]); | |
2019 | printk(KERN_DEBUG "VP GPIO_DIR = 0x%0X\n", | |
2020 | cmd.buffer.block_data[8]); | |
2021 | printk(KERN_DEBUG "VP GPIO_DATA = 0x%0X\n", | |
2022 | cmd.buffer.block_data[9]); | |
2023 | printk(KERN_DEBUG "VP Ram ADDR H = 0x%0X\n", | |
2024 | cmd.buffer.block_data[10]); | |
2025 | printk(KERN_DEBUG "VP Ram ADDR L = 0x%0X\n", | |
2026 | cmd.buffer.block_data[11]); | |
2027 | printk(KERN_DEBUG "VP RAM Data = 0x%0X\n", | |
2028 | cmd.buffer.block_data[12]); | |
2029 | printk(KERN_DEBUG "Do Call = 0x%0X\n", | |
2030 | cmd.buffer.block_data[13]); | |
2031 | ||
2032 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { | |
2033 | cmd.reg_count = 9; | |
2034 | cmd.start = 0x0E; | |
2035 | cpia2_send_command(cam, &cmd); | |
2036 | printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n", | |
2037 | cmd.buffer.block_data[0]); | |
2038 | printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n", | |
2039 | cmd.buffer.block_data[1]); | |
2040 | printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n", | |
2041 | cmd.buffer.block_data[2]); | |
2042 | printk(KERN_DEBUG "VP Framerate = 0x%0X\n", | |
2043 | cmd.buffer.block_data[3]); | |
2044 | printk(KERN_DEBUG "VP UserEffect = 0x%0X\n", | |
2045 | cmd.buffer.block_data[4]); | |
2046 | printk(KERN_DEBUG "VP White Bal = 0x%0X\n", | |
2047 | cmd.buffer.block_data[5]); | |
2048 | printk(KERN_DEBUG "VP WB thresh = 0x%0X\n", | |
2049 | cmd.buffer.block_data[6]); | |
2050 | printk(KERN_DEBUG "VP Exp Modes = 0x%0X\n", | |
2051 | cmd.buffer.block_data[7]); | |
2052 | printk(KERN_DEBUG "VP Exp Target = 0x%0X\n", | |
2053 | cmd.buffer.block_data[8]); | |
2054 | ||
2055 | cmd.reg_count = 1; | |
2056 | cmd.start = 0x1B; | |
2057 | cpia2_send_command(cam, &cmd); | |
2058 | printk(KERN_DEBUG "VP FlickerMds = 0x%0X\n", | |
2059 | cmd.buffer.block_data[0]); | |
2060 | } else { | |
2061 | cmd.reg_count = 8 ; | |
2062 | cmd.start = 0x0E; | |
2063 | cpia2_send_command(cam, &cmd); | |
2064 | printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n", | |
2065 | cmd.buffer.block_data[0]); | |
2066 | printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n", | |
2067 | cmd.buffer.block_data[1]); | |
2068 | printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n", | |
2069 | cmd.buffer.block_data[5]); | |
2070 | printk(KERN_DEBUG "VP Framerate = 0x%0X\n", | |
2071 | cmd.buffer.block_data[6]); | |
2072 | printk(KERN_DEBUG "VP UserEffect = 0x%0X\n", | |
2073 | cmd.buffer.block_data[7]); | |
2074 | ||
2075 | cmd.reg_count = 1; | |
2076 | cmd.start = CPIA2_VP5_EXPOSURE_TARGET; | |
2077 | cpia2_send_command(cam, &cmd); | |
2078 | printk(KERN_DEBUG "VP5 Exp Target= 0x%0X\n", | |
2079 | cmd.buffer.block_data[0]); | |
2080 | ||
2081 | cmd.reg_count = 4; | |
2082 | cmd.start = 0x3A; | |
2083 | cpia2_send_command(cam, &cmd); | |
2084 | printk(KERN_DEBUG "VP5 MY Black = 0x%0X\n", | |
2085 | cmd.buffer.block_data[0]); | |
2086 | printk(KERN_DEBUG "VP5 MCY Range = 0x%0X\n", | |
2087 | cmd.buffer.block_data[1]); | |
2088 | printk(KERN_DEBUG "VP5 MYCEILING = 0x%0X\n", | |
2089 | cmd.buffer.block_data[2]); | |
2090 | printk(KERN_DEBUG "VP5 MCUV Sat = 0x%0X\n", | |
2091 | cmd.buffer.block_data[3]); | |
2092 | } | |
2093 | #endif | |
2094 | } | |
2095 | ||
2096 | /****************************************************************************** | |
2097 | * | |
2098 | * reset_camera_struct | |
2099 | * | |
2100 | * Sets all values to the defaults | |
2101 | *****************************************************************************/ | |
d45b9b8a | 2102 | static void reset_camera_struct(struct camera_data *cam) |
ab33d507 AC |
2103 | { |
2104 | /*** | |
2105 | * The following parameter values are the defaults from the register map. | |
2106 | ***/ | |
ab33d507 AC |
2107 | cam->params.vp_params.lowlight_boost = 0; |
2108 | ||
2109 | /* FlickerModes */ | |
2110 | cam->params.flicker_control.flicker_mode_req = NEVER_FLICKER; | |
ab33d507 AC |
2111 | |
2112 | /* jpeg params */ | |
2113 | cam->params.compression.jpeg_options = CPIA2_VC_VC_JPEG_OPT_DEFAULT; | |
2114 | cam->params.compression.creep_period = 2; | |
2115 | cam->params.compression.user_squeeze = 20; | |
2116 | cam->params.compression.inhibit_htables = false; | |
2117 | ||
2118 | /* gpio params */ | |
2119 | cam->params.vp_params.gpio_direction = 0; /* write, the default safe mode */ | |
2120 | cam->params.vp_params.gpio_data = 0; | |
2121 | ||
2122 | /* Target kb params */ | |
6c493f8b | 2123 | cam->params.vc_params.quality = 100; |
ab33d507 AC |
2124 | |
2125 | /*** | |
2126 | * Set Sensor FPS as fast as possible. | |
2127 | ***/ | |
2128 | if(cam->params.pnp_id.device_type == DEVICE_STV_672) { | |
2129 | if(cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500) | |
2130 | cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_15; | |
2131 | else | |
2132 | cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30; | |
2133 | } else { | |
2134 | cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30; | |
2135 | } | |
2136 | ||
2137 | /*** | |
2138 | * Set default video mode as large as possible : | |
2139 | * for vga sensor set to vga, for cif sensor set to CIF. | |
2140 | ***/ | |
2141 | if (cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500) { | |
2142 | cam->sensor_type = CPIA2_SENSOR_500; | |
2143 | cam->video_size = VIDEOSIZE_VGA; | |
2144 | cam->params.roi.width = STV_IMAGE_VGA_COLS; | |
2145 | cam->params.roi.height = STV_IMAGE_VGA_ROWS; | |
2146 | } else { | |
2147 | cam->sensor_type = CPIA2_SENSOR_410; | |
2148 | cam->video_size = VIDEOSIZE_CIF; | |
2149 | cam->params.roi.width = STV_IMAGE_CIF_COLS; | |
2150 | cam->params.roi.height = STV_IMAGE_CIF_ROWS; | |
2151 | } | |
2152 | ||
873ecd8f HV |
2153 | cam->width = cam->params.roi.width; |
2154 | cam->height = cam->params.roi.height; | |
ab33d507 AC |
2155 | } |
2156 | ||
2157 | /****************************************************************************** | |
2158 | * | |
2159 | * cpia2_init_camera_struct | |
2160 | * | |
2161 | * Initializes camera struct, does not call reset to fill in defaults. | |
2162 | *****************************************************************************/ | |
6c493f8b | 2163 | struct camera_data *cpia2_init_camera_struct(struct usb_interface *intf) |
ab33d507 AC |
2164 | { |
2165 | struct camera_data *cam; | |
2166 | ||
dd00cc48 | 2167 | cam = kzalloc(sizeof(*cam), GFP_KERNEL); |
ab33d507 AC |
2168 | |
2169 | if (!cam) { | |
2170 | ERR("couldn't kmalloc cpia2 struct\n"); | |
2171 | return NULL; | |
2172 | } | |
2173 | ||
6c493f8b HV |
2174 | cam->v4l2_dev.release = cpia2_camera_release; |
2175 | if (v4l2_device_register(&intf->dev, &cam->v4l2_dev) < 0) { | |
2176 | v4l2_err(&cam->v4l2_dev, "couldn't register v4l2_device\n"); | |
2177 | kfree(cam); | |
2178 | return NULL; | |
2179 | } | |
ab33d507 | 2180 | |
d2db8fee | 2181 | mutex_init(&cam->v4l2_lock); |
ab33d507 AC |
2182 | init_waitqueue_head(&cam->wq_stream); |
2183 | ||
2184 | return cam; | |
2185 | } | |
2186 | ||
2187 | /****************************************************************************** | |
2188 | * | |
2189 | * cpia2_init_camera | |
2190 | * | |
2191 | * Initializes camera. | |
2192 | *****************************************************************************/ | |
2193 | int cpia2_init_camera(struct camera_data *cam) | |
2194 | { | |
2195 | DBG("Start\n"); | |
2196 | ||
2197 | cam->mmapped = false; | |
2198 | ||
2199 | /* Get sensor and asic types before reset. */ | |
2200 | cpia2_set_high_power(cam); | |
2201 | cpia2_get_version_info(cam); | |
2202 | if (cam->params.version.asic_id != CPIA2_ASIC_672) { | |
2203 | ERR("Device IO error (asicID has incorrect value of 0x%X\n", | |
2204 | cam->params.version.asic_id); | |
2205 | return -ENODEV; | |
2206 | } | |
2207 | ||
2208 | /* Set GPIO direction and data to a safe state. */ | |
2209 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, | |
2210 | TRANSFER_WRITE, 0); | |
2211 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA, | |
2212 | TRANSFER_WRITE, 0); | |
2213 | ||
2214 | /* resetting struct requires version info for sensor and asic types */ | |
2215 | reset_camera_struct(cam); | |
2216 | ||
2217 | cpia2_set_low_power(cam); | |
2218 | ||
2219 | DBG("End\n"); | |
2220 | ||
2221 | return 0; | |
2222 | } | |
2223 | ||
2224 | /****************************************************************************** | |
2225 | * | |
2226 | * cpia2_allocate_buffers | |
2227 | * | |
2228 | *****************************************************************************/ | |
2229 | int cpia2_allocate_buffers(struct camera_data *cam) | |
2230 | { | |
2231 | int i; | |
2232 | ||
2233 | if(!cam->buffers) { | |
2234 | u32 size = cam->num_frames*sizeof(struct framebuf); | |
2235 | cam->buffers = kmalloc(size, GFP_KERNEL); | |
2236 | if(!cam->buffers) { | |
2237 | ERR("couldn't kmalloc frame buffer structures\n"); | |
2238 | return -ENOMEM; | |
2239 | } | |
2240 | } | |
2241 | ||
2242 | if(!cam->frame_buffer) { | |
2243 | cam->frame_buffer = rvmalloc(cam->frame_size*cam->num_frames); | |
2244 | if (!cam->frame_buffer) { | |
2245 | ERR("couldn't vmalloc frame buffer data area\n"); | |
2246 | kfree(cam->buffers); | |
2247 | cam->buffers = NULL; | |
2248 | return -ENOMEM; | |
2249 | } | |
2250 | } | |
2251 | ||
2252 | for(i=0; i<cam->num_frames-1; ++i) { | |
2253 | cam->buffers[i].next = &cam->buffers[i+1]; | |
2254 | cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size; | |
2255 | cam->buffers[i].status = FRAME_EMPTY; | |
2256 | cam->buffers[i].length = 0; | |
2257 | cam->buffers[i].max_length = 0; | |
2258 | cam->buffers[i].num = i; | |
2259 | } | |
2260 | cam->buffers[i].next = cam->buffers; | |
2261 | cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size; | |
2262 | cam->buffers[i].status = FRAME_EMPTY; | |
2263 | cam->buffers[i].length = 0; | |
2264 | cam->buffers[i].max_length = 0; | |
2265 | cam->buffers[i].num = i; | |
2266 | cam->curbuff = cam->buffers; | |
2267 | cam->workbuff = cam->curbuff->next; | |
2268 | DBG("buffers=%p, curbuff=%p, workbuff=%p\n", cam->buffers, cam->curbuff, | |
2269 | cam->workbuff); | |
2270 | return 0; | |
2271 | } | |
2272 | ||
2273 | /****************************************************************************** | |
2274 | * | |
2275 | * cpia2_free_buffers | |
2276 | * | |
2277 | *****************************************************************************/ | |
2278 | void cpia2_free_buffers(struct camera_data *cam) | |
2279 | { | |
2280 | if(cam->buffers) { | |
2281 | kfree(cam->buffers); | |
2282 | cam->buffers = NULL; | |
2283 | } | |
2284 | if(cam->frame_buffer) { | |
2285 | rvfree(cam->frame_buffer, cam->frame_size*cam->num_frames); | |
2286 | cam->frame_buffer = NULL; | |
2287 | } | |
2288 | } | |
2289 | ||
2290 | /****************************************************************************** | |
2291 | * | |
2292 | * cpia2_read | |
2293 | * | |
2294 | *****************************************************************************/ | |
2295 | long cpia2_read(struct camera_data *cam, | |
2296 | char __user *buf, unsigned long count, int noblock) | |
2297 | { | |
2298 | struct framebuf *frame; | |
d2db8fee HV |
2299 | |
2300 | if (!count) | |
ab33d507 | 2301 | return 0; |
ab33d507 AC |
2302 | |
2303 | if (!buf) { | |
94205c7a | 2304 | ERR("%s: buffer NULL\n",__func__); |
ab33d507 AC |
2305 | return -EINVAL; |
2306 | } | |
2307 | ||
2308 | if (!cam) { | |
94205c7a | 2309 | ERR("%s: Internal error, camera_data NULL!\n",__func__); |
ab33d507 AC |
2310 | return -EINVAL; |
2311 | } | |
2312 | ||
d2db8fee | 2313 | if (!cam->streaming) { |
ab33d507 AC |
2314 | /* Start streaming */ |
2315 | cpia2_usb_stream_start(cam, | |
2316 | cam->params.camera_state.stream_mode); | |
2317 | } | |
2318 | ||
2319 | /* Copy cam->curbuff in case it changes while we're processing */ | |
2320 | frame = cam->curbuff; | |
2321 | if (noblock && frame->status != FRAME_READY) { | |
ab33d507 AC |
2322 | return -EAGAIN; |
2323 | } | |
2324 | ||
d2db8fee HV |
2325 | if (frame->status != FRAME_READY) { |
2326 | mutex_unlock(&cam->v4l2_lock); | |
ab33d507 | 2327 | wait_event_interruptible(cam->wq_stream, |
6c493f8b | 2328 | !video_is_registered(&cam->vdev) || |
ab33d507 | 2329 | (frame = cam->curbuff)->status == FRAME_READY); |
d2db8fee | 2330 | mutex_lock(&cam->v4l2_lock); |
ab33d507 AC |
2331 | if (signal_pending(current)) |
2332 | return -ERESTARTSYS; | |
6c493f8b | 2333 | if (!video_is_registered(&cam->vdev)) |
ab33d507 | 2334 | return 0; |
ab33d507 AC |
2335 | } |
2336 | ||
2337 | /* copy data to user space */ | |
d2db8fee | 2338 | if (frame->length > count) |
ab33d507 | 2339 | return -EFAULT; |
d2db8fee | 2340 | if (copy_to_user(buf, frame->data, frame->length)) |
ab33d507 | 2341 | return -EFAULT; |
ab33d507 AC |
2342 | |
2343 | count = frame->length; | |
2344 | ||
2345 | frame->status = FRAME_EMPTY; | |
2346 | ||
ab33d507 AC |
2347 | return count; |
2348 | } | |
2349 | ||
2350 | /****************************************************************************** | |
2351 | * | |
2352 | * cpia2_poll | |
2353 | * | |
2354 | *****************************************************************************/ | |
2355 | unsigned int cpia2_poll(struct camera_data *cam, struct file *filp, | |
2356 | poll_table *wait) | |
2357 | { | |
6c493f8b | 2358 | unsigned int status = v4l2_ctrl_poll(filp, wait); |
ab33d507 | 2359 | |
6c493f8b HV |
2360 | if ((poll_requested_events(wait) & (POLLIN | POLLRDNORM)) && |
2361 | !cam->streaming) { | |
ab33d507 AC |
2362 | /* Start streaming */ |
2363 | cpia2_usb_stream_start(cam, | |
2364 | cam->params.camera_state.stream_mode); | |
2365 | } | |
2366 | ||
ab33d507 | 2367 | poll_wait(filp, &cam->wq_stream, wait); |
ab33d507 | 2368 | |
6c493f8b HV |
2369 | if (cam->curbuff->status == FRAME_READY) |
2370 | status |= POLLIN | POLLRDNORM; | |
ab33d507 | 2371 | |
ab33d507 AC |
2372 | return status; |
2373 | } | |
2374 | ||
2375 | /****************************************************************************** | |
2376 | * | |
2377 | * cpia2_remap_buffer | |
2378 | * | |
2379 | *****************************************************************************/ | |
2380 | int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma) | |
2381 | { | |
2382 | const char *adr = (const char *)vma->vm_start; | |
2383 | unsigned long size = vma->vm_end-vma->vm_start; | |
2384 | unsigned long start_offset = vma->vm_pgoff << PAGE_SHIFT; | |
2385 | unsigned long start = (unsigned long) adr; | |
2386 | unsigned long page, pos; | |
2387 | ||
ab33d507 AC |
2388 | DBG("mmap offset:%ld size:%ld\n", start_offset, size); |
2389 | ||
6c493f8b | 2390 | if (!video_is_registered(&cam->vdev)) |
ab33d507 | 2391 | return -ENODEV; |
ab33d507 AC |
2392 | |
2393 | if (size > cam->frame_size*cam->num_frames || | |
2394 | (start_offset % cam->frame_size) != 0 || | |
d2db8fee | 2395 | (start_offset+size > cam->frame_size*cam->num_frames)) |
ab33d507 | 2396 | return -EINVAL; |
ab33d507 AC |
2397 | |
2398 | pos = ((unsigned long) (cam->frame_buffer)) + start_offset; | |
2399 | while (size > 0) { | |
2400 | page = kvirt_to_pa(pos); | |
d2db8fee | 2401 | if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, PAGE_SIZE, PAGE_SHARED)) |
ab33d507 | 2402 | return -EAGAIN; |
ab33d507 AC |
2403 | start += PAGE_SIZE; |
2404 | pos += PAGE_SIZE; | |
2405 | if (size > PAGE_SIZE) | |
2406 | size -= PAGE_SIZE; | |
2407 | else | |
2408 | size = 0; | |
2409 | } | |
2410 | ||
2411 | cam->mmapped = true; | |
ab33d507 AC |
2412 | return 0; |
2413 | } |