Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | * |
| 3 | * Filename: cpia2_core.c |
| 4 | * |
| 5 | * Copyright 2001, STMicrolectronics, Inc. |
| 6 | * Contact: steve.miller@st.com |
| 7 | * |
| 8 | * Description: |
| 9 | * This is a USB driver for CPia2 based video cameras. |
| 10 | * The infrastructure of this driver is based on the cpia usb driver by |
| 11 | * Jochen Scharrlach and Johannes Erdfeldt. |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify |
| 14 | * it under the terms of the GNU General Public License as published by |
| 15 | * the Free Software Foundation; either version 2 of the License, or |
| 16 | * (at your option) any later version. |
| 17 | * |
| 18 | * This program is distributed in the hope that it will be useful, |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 21 | * GNU General Public License for more details. |
| 22 | * |
| 23 | * You should have received a copy of the GNU General Public License |
| 24 | * along with this program; if not, write to the Free Software |
| 25 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 26 | * |
| 27 | * Stripped of 2.4 stuff ready for main kernel submit by |
Alan Cox | d9b0144 | 2008-10-27 15:13:47 -0300 | [diff] [blame] | 28 | * Alan Cox <alan@lxorguk.ukuu.org.uk> |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 29 | * |
| 30 | ****************************************************************************/ |
| 31 | |
| 32 | #include "cpia2.h" |
| 33 | |
| 34 | #include <linux/slab.h> |
Hans Verkuil | f894dfd | 2008-07-25 07:39:54 -0300 | [diff] [blame] | 35 | #include <linux/mm.h> |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 36 | #include <linux/vmalloc.h> |
David Woodhouse | 04a33e4 | 2008-06-23 11:36:23 +0100 | [diff] [blame] | 37 | #include <linux/firmware.h> |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 38 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 39 | /* #define _CPIA2_DEBUG_ */ |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 40 | |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 41 | #ifdef _CPIA2_DEBUG_ |
| 42 | |
| 43 | static const char *block_name[] = { |
| 44 | "System", |
| 45 | "VC", |
| 46 | "VP", |
| 47 | "IDATA" |
| 48 | }; |
| 49 | #endif |
| 50 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 51 | static unsigned int debugs_on; /* default 0 - DEBUG_REG */ |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 52 | |
| 53 | |
| 54 | /****************************************************************************** |
| 55 | * |
| 56 | * Forward Declarations |
| 57 | * |
| 58 | *****************************************************************************/ |
| 59 | static int apply_vp_patch(struct camera_data *cam); |
| 60 | static int set_default_user_mode(struct camera_data *cam); |
| 61 | static int set_vw_size(struct camera_data *cam, int size); |
| 62 | static int configure_sensor(struct camera_data *cam, |
| 63 | int reqwidth, int reqheight); |
| 64 | static int config_sensor_410(struct camera_data *cam, |
| 65 | int reqwidth, int reqheight); |
| 66 | static int config_sensor_500(struct camera_data *cam, |
| 67 | int reqwidth, int reqheight); |
| 68 | static int set_all_properties(struct camera_data *cam); |
| 69 | static void get_color_params(struct camera_data *cam); |
| 70 | static void wake_system(struct camera_data *cam); |
| 71 | static void set_lowlight_boost(struct camera_data *cam); |
| 72 | static void reset_camera_struct(struct camera_data *cam); |
| 73 | static int cpia2_set_high_power(struct camera_data *cam); |
| 74 | |
| 75 | /* Here we want the physical address of the memory. |
| 76 | * This is used when initializing the contents of the |
| 77 | * area and marking the pages as reserved. |
| 78 | */ |
| 79 | static inline unsigned long kvirt_to_pa(unsigned long adr) |
| 80 | { |
| 81 | unsigned long kva, ret; |
| 82 | |
| 83 | kva = (unsigned long) page_address(vmalloc_to_page((void *)adr)); |
| 84 | kva |= adr & (PAGE_SIZE-1); /* restore the offset */ |
| 85 | ret = __pa(kva); |
| 86 | return ret; |
| 87 | } |
| 88 | |
| 89 | static void *rvmalloc(unsigned long size) |
| 90 | { |
| 91 | void *mem; |
| 92 | unsigned long adr; |
| 93 | |
| 94 | /* Round it off to PAGE_SIZE */ |
| 95 | size = PAGE_ALIGN(size); |
| 96 | |
| 97 | mem = vmalloc_32(size); |
| 98 | if (!mem) |
| 99 | return NULL; |
| 100 | |
| 101 | memset(mem, 0, size); /* Clear the ram out, no junk to the user */ |
| 102 | adr = (unsigned long) mem; |
| 103 | |
| 104 | while ((long)size > 0) { |
| 105 | SetPageReserved(vmalloc_to_page((void *)adr)); |
| 106 | adr += PAGE_SIZE; |
| 107 | size -= PAGE_SIZE; |
| 108 | } |
| 109 | return mem; |
| 110 | } |
| 111 | |
| 112 | static void rvfree(void *mem, unsigned long size) |
| 113 | { |
| 114 | unsigned long adr; |
| 115 | |
| 116 | if (!mem) |
| 117 | return; |
| 118 | |
| 119 | size = PAGE_ALIGN(size); |
| 120 | |
| 121 | adr = (unsigned long) mem; |
| 122 | while ((long)size > 0) { |
| 123 | ClearPageReserved(vmalloc_to_page((void *)adr)); |
| 124 | adr += PAGE_SIZE; |
| 125 | size -= PAGE_SIZE; |
| 126 | } |
| 127 | vfree(mem); |
| 128 | } |
| 129 | |
| 130 | /****************************************************************************** |
| 131 | * |
| 132 | * cpia2_do_command |
| 133 | * |
| 134 | * Send an arbitrary command to the camera. For commands that read from |
| 135 | * the camera, copy the buffers into the proper param structures. |
| 136 | *****************************************************************************/ |
| 137 | int cpia2_do_command(struct camera_data *cam, |
| 138 | u32 command, u8 direction, u8 param) |
| 139 | { |
| 140 | int retval = 0; |
| 141 | struct cpia2_command cmd; |
| 142 | unsigned int device = cam->params.pnp_id.device_type; |
| 143 | |
| 144 | cmd.command = command; |
| 145 | cmd.reg_count = 2; /* default */ |
| 146 | cmd.direction = direction; |
| 147 | |
| 148 | /*** |
| 149 | * Set up the command. |
| 150 | ***/ |
| 151 | switch (command) { |
| 152 | case CPIA2_CMD_GET_VERSION: |
| 153 | cmd.req_mode = |
| 154 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; |
| 155 | cmd.start = CPIA2_SYSTEM_DEVICE_HI; |
| 156 | break; |
| 157 | case CPIA2_CMD_GET_PNP_ID: |
| 158 | cmd.req_mode = |
| 159 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; |
| 160 | cmd.reg_count = 8; |
| 161 | cmd.start = CPIA2_SYSTEM_DESCRIP_VID_HI; |
| 162 | break; |
| 163 | case CPIA2_CMD_GET_ASIC_TYPE: |
| 164 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; |
| 165 | cmd.start = CPIA2_VC_ASIC_ID; |
| 166 | break; |
| 167 | case CPIA2_CMD_GET_SENSOR: |
| 168 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 169 | cmd.start = CPIA2_VP_SENSOR_FLAGS; |
| 170 | break; |
| 171 | case CPIA2_CMD_GET_VP_DEVICE: |
| 172 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 173 | cmd.start = CPIA2_VP_DEVICEH; |
| 174 | break; |
| 175 | case CPIA2_CMD_SET_VP_BRIGHTNESS: |
| 176 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 177 | case CPIA2_CMD_GET_VP_BRIGHTNESS: |
| 178 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 179 | cmd.reg_count = 1; |
| 180 | if (device == DEVICE_STV_672) |
| 181 | cmd.start = CPIA2_VP4_EXPOSURE_TARGET; |
| 182 | else |
| 183 | cmd.start = CPIA2_VP5_EXPOSURE_TARGET; |
| 184 | break; |
| 185 | case CPIA2_CMD_SET_CONTRAST: |
| 186 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 187 | case CPIA2_CMD_GET_CONTRAST: |
| 188 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 189 | cmd.reg_count = 1; |
| 190 | cmd.start = CPIA2_VP_YRANGE; |
| 191 | break; |
| 192 | case CPIA2_CMD_SET_VP_SATURATION: |
| 193 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 194 | case CPIA2_CMD_GET_VP_SATURATION: |
| 195 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 196 | cmd.reg_count = 1; |
| 197 | if (device == DEVICE_STV_672) |
| 198 | cmd.start = CPIA2_VP_SATURATION; |
| 199 | else |
| 200 | cmd.start = CPIA2_VP5_MCUVSATURATION; |
| 201 | break; |
| 202 | case CPIA2_CMD_SET_VP_GPIO_DATA: |
| 203 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 204 | case CPIA2_CMD_GET_VP_GPIO_DATA: |
| 205 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 206 | cmd.reg_count = 1; |
| 207 | cmd.start = CPIA2_VP_GPIO_DATA; |
| 208 | break; |
| 209 | case CPIA2_CMD_SET_VP_GPIO_DIRECTION: |
| 210 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 211 | case CPIA2_CMD_GET_VP_GPIO_DIRECTION: |
| 212 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 213 | cmd.reg_count = 1; |
| 214 | cmd.start = CPIA2_VP_GPIO_DIRECTION; |
| 215 | break; |
| 216 | case CPIA2_CMD_SET_VC_MP_GPIO_DATA: |
| 217 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 218 | case CPIA2_CMD_GET_VC_MP_GPIO_DATA: |
| 219 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; |
| 220 | cmd.reg_count = 1; |
| 221 | cmd.start = CPIA2_VC_MP_DATA; |
| 222 | break; |
| 223 | case CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION: |
| 224 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 225 | case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION: |
| 226 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; |
| 227 | cmd.reg_count = 1; |
| 228 | cmd.start = CPIA2_VC_MP_DIR; |
| 229 | break; |
| 230 | case CPIA2_CMD_ENABLE_PACKET_CTRL: |
| 231 | cmd.req_mode = |
| 232 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; |
| 233 | cmd.start = CPIA2_SYSTEM_INT_PACKET_CTRL; |
| 234 | cmd.reg_count = 1; |
| 235 | cmd.buffer.block_data[0] = param; |
| 236 | break; |
| 237 | case CPIA2_CMD_SET_FLICKER_MODES: |
| 238 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 239 | case CPIA2_CMD_GET_FLICKER_MODES: |
| 240 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 241 | cmd.reg_count = 1; |
| 242 | cmd.start = CPIA2_VP_FLICKER_MODES; |
| 243 | break; |
| 244 | case CPIA2_CMD_RESET_FIFO: /* clear fifo and enable stream block */ |
| 245 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; |
| 246 | cmd.reg_count = 2; |
| 247 | cmd.start = 0; |
| 248 | cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL; |
| 249 | cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC | |
| 250 | CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT; |
| 251 | cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL; |
| 252 | cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC | |
| 253 | CPIA2_VC_ST_CTRL_DST_USB | |
| 254 | CPIA2_VC_ST_CTRL_EOF_DETECT | |
| 255 | CPIA2_VC_ST_CTRL_FIFO_ENABLE; |
| 256 | break; |
| 257 | case CPIA2_CMD_SET_HI_POWER: |
| 258 | cmd.req_mode = |
| 259 | CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM; |
| 260 | cmd.reg_count = 2; |
| 261 | cmd.buffer.registers[0].index = |
| 262 | CPIA2_SYSTEM_SYSTEM_CONTROL; |
| 263 | cmd.buffer.registers[1].index = |
| 264 | CPIA2_SYSTEM_SYSTEM_CONTROL; |
| 265 | cmd.buffer.registers[0].value = CPIA2_SYSTEM_CONTROL_CLEAR_ERR; |
| 266 | cmd.buffer.registers[1].value = |
| 267 | CPIA2_SYSTEM_CONTROL_HIGH_POWER; |
| 268 | break; |
| 269 | case CPIA2_CMD_SET_LOW_POWER: |
| 270 | cmd.req_mode = |
| 271 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; |
| 272 | cmd.reg_count = 1; |
| 273 | cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; |
| 274 | cmd.buffer.block_data[0] = 0; |
| 275 | break; |
| 276 | case CPIA2_CMD_CLEAR_V2W_ERR: |
| 277 | cmd.req_mode = |
| 278 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; |
| 279 | cmd.reg_count = 1; |
| 280 | cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; |
| 281 | cmd.buffer.block_data[0] = CPIA2_SYSTEM_CONTROL_CLEAR_ERR; |
| 282 | break; |
| 283 | case CPIA2_CMD_SET_USER_MODE: /* Then fall through */ |
| 284 | cmd.buffer.block_data[0] = param; |
| 285 | case CPIA2_CMD_GET_USER_MODE: |
| 286 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 287 | cmd.reg_count = 1; |
| 288 | if (device == DEVICE_STV_672) |
| 289 | cmd.start = CPIA2_VP4_USER_MODE; |
| 290 | else |
| 291 | cmd.start = CPIA2_VP5_USER_MODE; |
| 292 | break; |
| 293 | case CPIA2_CMD_FRAMERATE_REQ: |
| 294 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 295 | cmd.reg_count = 1; |
| 296 | if (device == DEVICE_STV_672) |
| 297 | cmd.start = CPIA2_VP4_FRAMERATE_REQUEST; |
| 298 | else |
| 299 | cmd.start = CPIA2_VP5_FRAMERATE_REQUEST; |
| 300 | cmd.buffer.block_data[0] = param; |
| 301 | break; |
| 302 | case CPIA2_CMD_SET_WAKEUP: |
| 303 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 304 | case CPIA2_CMD_GET_WAKEUP: |
| 305 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; |
| 306 | cmd.reg_count = 1; |
| 307 | cmd.start = CPIA2_VC_WAKEUP; |
| 308 | break; |
| 309 | case CPIA2_CMD_SET_PW_CONTROL: |
| 310 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 311 | case CPIA2_CMD_GET_PW_CONTROL: |
| 312 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; |
| 313 | cmd.reg_count = 1; |
| 314 | cmd.start = CPIA2_VC_PW_CTRL; |
| 315 | break; |
| 316 | case CPIA2_CMD_GET_VP_SYSTEM_STATE: |
| 317 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 318 | cmd.reg_count = 1; |
| 319 | cmd.start = CPIA2_VP_SYSTEMSTATE; |
| 320 | break; |
| 321 | case CPIA2_CMD_SET_SYSTEM_CTRL: |
| 322 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 323 | case CPIA2_CMD_GET_SYSTEM_CTRL: |
| 324 | cmd.req_mode = |
| 325 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; |
| 326 | cmd.reg_count = 1; |
| 327 | cmd.start = CPIA2_SYSTEM_SYSTEM_CONTROL; |
| 328 | break; |
| 329 | case CPIA2_CMD_SET_VP_SYSTEM_CTRL: |
| 330 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 331 | case CPIA2_CMD_GET_VP_SYSTEM_CTRL: |
| 332 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 333 | cmd.reg_count = 1; |
| 334 | cmd.start = CPIA2_VP_SYSTEMCTRL; |
| 335 | break; |
| 336 | case CPIA2_CMD_SET_VP_EXP_MODES: |
| 337 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 338 | case CPIA2_CMD_GET_VP_EXP_MODES: |
| 339 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 340 | cmd.reg_count = 1; |
| 341 | cmd.start = CPIA2_VP_EXPOSURE_MODES; |
| 342 | break; |
| 343 | case CPIA2_CMD_SET_DEVICE_CONFIG: |
| 344 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 345 | case CPIA2_CMD_GET_DEVICE_CONFIG: |
| 346 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 347 | cmd.reg_count = 1; |
| 348 | cmd.start = CPIA2_VP_DEVICE_CONFIG; |
| 349 | break; |
| 350 | case CPIA2_CMD_SET_SERIAL_ADDR: |
| 351 | cmd.buffer.block_data[0] = param; |
| 352 | cmd.req_mode = |
| 353 | CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; |
| 354 | cmd.reg_count = 1; |
| 355 | cmd.start = CPIA2_SYSTEM_VP_SERIAL_ADDR; |
| 356 | break; |
| 357 | case CPIA2_CMD_SET_SENSOR_CR1: |
| 358 | cmd.buffer.block_data[0] = param; |
| 359 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 360 | cmd.reg_count = 1; |
| 361 | cmd.start = CPIA2_SENSOR_CR1; |
| 362 | break; |
| 363 | case CPIA2_CMD_SET_VC_CONTROL: |
| 364 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 365 | case CPIA2_CMD_GET_VC_CONTROL: |
| 366 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; |
| 367 | cmd.reg_count = 1; |
| 368 | cmd.start = CPIA2_VC_VC_CTRL; |
| 369 | break; |
| 370 | case CPIA2_CMD_SET_TARGET_KB: |
| 371 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; |
| 372 | cmd.reg_count = 1; |
| 373 | cmd.buffer.registers[0].index = CPIA2_VC_VC_TARGET_KB; |
| 374 | cmd.buffer.registers[0].value = param; |
| 375 | break; |
| 376 | case CPIA2_CMD_SET_DEF_JPEG_OPT: |
| 377 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; |
| 378 | cmd.reg_count = 4; |
| 379 | cmd.buffer.registers[0].index = CPIA2_VC_VC_JPEG_OPT; |
| 380 | cmd.buffer.registers[0].value = |
| 381 | CPIA2_VC_VC_JPEG_OPT_DOUBLE_SQUEEZE; |
| 382 | cmd.buffer.registers[1].index = CPIA2_VC_VC_USER_SQUEEZE; |
| 383 | cmd.buffer.registers[1].value = 20; |
| 384 | cmd.buffer.registers[2].index = CPIA2_VC_VC_CREEP_PERIOD; |
| 385 | cmd.buffer.registers[2].value = 2; |
| 386 | cmd.buffer.registers[3].index = CPIA2_VC_VC_JPEG_OPT; |
| 387 | cmd.buffer.registers[3].value = CPIA2_VC_VC_JPEG_OPT_DEFAULT; |
| 388 | break; |
| 389 | case CPIA2_CMD_REHASH_VP4: |
| 390 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 391 | cmd.reg_count = 1; |
| 392 | cmd.start = CPIA2_VP_REHASH_VALUES; |
| 393 | cmd.buffer.block_data[0] = param; |
| 394 | break; |
| 395 | case CPIA2_CMD_SET_USER_EFFECTS: /* Note: Be careful with this as |
| 396 | this register can also affect |
| 397 | flicker modes */ |
| 398 | cmd.buffer.block_data[0] = param; /* Then fall through */ |
| 399 | case CPIA2_CMD_GET_USER_EFFECTS: |
| 400 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 401 | cmd.reg_count = 1; |
| 402 | if (device == DEVICE_STV_672) |
| 403 | cmd.start = CPIA2_VP4_USER_EFFECTS; |
| 404 | else |
| 405 | cmd.start = CPIA2_VP5_USER_EFFECTS; |
| 406 | break; |
| 407 | default: |
| 408 | LOG("DoCommand received invalid command\n"); |
| 409 | return -EINVAL; |
| 410 | } |
| 411 | |
| 412 | retval = cpia2_send_command(cam, &cmd); |
| 413 | if (retval) { |
| 414 | return retval; |
| 415 | } |
| 416 | |
| 417 | /*** |
| 418 | * Now copy any results from a read into the appropriate param struct. |
| 419 | ***/ |
| 420 | switch (command) { |
| 421 | case CPIA2_CMD_GET_VERSION: |
| 422 | cam->params.version.firmware_revision_hi = |
| 423 | cmd.buffer.block_data[0]; |
| 424 | cam->params.version.firmware_revision_lo = |
| 425 | cmd.buffer.block_data[1]; |
| 426 | break; |
| 427 | case CPIA2_CMD_GET_PNP_ID: |
| 428 | cam->params.pnp_id.vendor = (cmd.buffer.block_data[0] << 8) | |
| 429 | cmd.buffer.block_data[1]; |
| 430 | cam->params.pnp_id.product = (cmd.buffer.block_data[2] << 8) | |
| 431 | cmd.buffer.block_data[3]; |
| 432 | cam->params.pnp_id.device_revision = |
| 433 | (cmd.buffer.block_data[4] << 8) | |
| 434 | cmd.buffer.block_data[5]; |
| 435 | if (cam->params.pnp_id.vendor == 0x553) { |
| 436 | if (cam->params.pnp_id.product == 0x100) { |
| 437 | cam->params.pnp_id.device_type = DEVICE_STV_672; |
| 438 | } else if (cam->params.pnp_id.product == 0x140 || |
| 439 | cam->params.pnp_id.product == 0x151) { |
| 440 | cam->params.pnp_id.device_type = DEVICE_STV_676; |
| 441 | } |
| 442 | } |
| 443 | break; |
| 444 | case CPIA2_CMD_GET_ASIC_TYPE: |
| 445 | cam->params.version.asic_id = cmd.buffer.block_data[0]; |
| 446 | cam->params.version.asic_rev = cmd.buffer.block_data[1]; |
| 447 | break; |
| 448 | case CPIA2_CMD_GET_SENSOR: |
| 449 | cam->params.version.sensor_flags = cmd.buffer.block_data[0]; |
| 450 | cam->params.version.sensor_rev = cmd.buffer.block_data[1]; |
| 451 | break; |
| 452 | case CPIA2_CMD_GET_VP_DEVICE: |
| 453 | cam->params.version.vp_device_hi = cmd.buffer.block_data[0]; |
| 454 | cam->params.version.vp_device_lo = cmd.buffer.block_data[1]; |
| 455 | break; |
| 456 | case CPIA2_CMD_GET_VP_BRIGHTNESS: |
| 457 | cam->params.color_params.brightness = cmd.buffer.block_data[0]; |
| 458 | break; |
| 459 | case CPIA2_CMD_GET_CONTRAST: |
| 460 | cam->params.color_params.contrast = cmd.buffer.block_data[0]; |
| 461 | break; |
| 462 | case CPIA2_CMD_GET_VP_SATURATION: |
| 463 | cam->params.color_params.saturation = cmd.buffer.block_data[0]; |
| 464 | break; |
| 465 | case CPIA2_CMD_GET_VP_GPIO_DATA: |
| 466 | cam->params.vp_params.gpio_data = cmd.buffer.block_data[0]; |
| 467 | break; |
| 468 | case CPIA2_CMD_GET_VP_GPIO_DIRECTION: |
| 469 | cam->params.vp_params.gpio_direction = cmd.buffer.block_data[0]; |
| 470 | break; |
| 471 | case CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION: |
| 472 | cam->params.vc_params.vc_mp_direction =cmd.buffer.block_data[0]; |
| 473 | break; |
| 474 | case CPIA2_CMD_GET_VC_MP_GPIO_DATA: |
| 475 | cam->params.vc_params.vc_mp_data = cmd.buffer.block_data[0]; |
| 476 | break; |
| 477 | case CPIA2_CMD_GET_FLICKER_MODES: |
| 478 | cam->params.flicker_control.cam_register = |
| 479 | cmd.buffer.block_data[0]; |
| 480 | break; |
| 481 | case CPIA2_CMD_GET_WAKEUP: |
| 482 | cam->params.vc_params.wakeup = cmd.buffer.block_data[0]; |
| 483 | break; |
| 484 | case CPIA2_CMD_GET_PW_CONTROL: |
| 485 | cam->params.vc_params.pw_control = cmd.buffer.block_data[0]; |
| 486 | break; |
| 487 | case CPIA2_CMD_GET_SYSTEM_CTRL: |
| 488 | cam->params.camera_state.system_ctrl = cmd.buffer.block_data[0]; |
| 489 | break; |
| 490 | case CPIA2_CMD_GET_VP_SYSTEM_STATE: |
| 491 | cam->params.vp_params.system_state = cmd.buffer.block_data[0]; |
| 492 | break; |
| 493 | case CPIA2_CMD_GET_VP_SYSTEM_CTRL: |
| 494 | cam->params.vp_params.system_ctrl = cmd.buffer.block_data[0]; |
| 495 | break; |
| 496 | case CPIA2_CMD_GET_VP_EXP_MODES: |
| 497 | cam->params.vp_params.exposure_modes = cmd.buffer.block_data[0]; |
| 498 | break; |
| 499 | case CPIA2_CMD_GET_DEVICE_CONFIG: |
| 500 | cam->params.vp_params.device_config = cmd.buffer.block_data[0]; |
| 501 | break; |
| 502 | case CPIA2_CMD_GET_VC_CONTROL: |
| 503 | cam->params.vc_params.vc_control = cmd.buffer.block_data[0]; |
| 504 | break; |
| 505 | case CPIA2_CMD_GET_USER_MODE: |
| 506 | cam->params.vp_params.video_mode = cmd.buffer.block_data[0]; |
| 507 | break; |
| 508 | case CPIA2_CMD_GET_USER_EFFECTS: |
| 509 | cam->params.vp_params.user_effects = cmd.buffer.block_data[0]; |
| 510 | break; |
| 511 | default: |
| 512 | break; |
| 513 | } |
| 514 | return retval; |
| 515 | } |
| 516 | |
| 517 | /****************************************************************************** |
| 518 | * |
| 519 | * cpia2_send_command |
| 520 | * |
| 521 | *****************************************************************************/ |
| 522 | int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd) |
| 523 | { |
| 524 | u8 count; |
| 525 | u8 start; |
| 526 | u8 block_index; |
| 527 | u8 *buffer; |
| 528 | int retval; |
| 529 | const char* dir; |
| 530 | |
| 531 | if (cmd->direction == TRANSFER_WRITE) { |
| 532 | dir = "Write"; |
| 533 | } else { |
| 534 | dir = "Read"; |
| 535 | } |
| 536 | |
| 537 | block_index = cmd->req_mode & 0x03; |
| 538 | |
| 539 | switch (cmd->req_mode & 0x0c) { |
| 540 | case CAMERAACCESS_TYPE_RANDOM: |
| 541 | count = cmd->reg_count * sizeof(struct cpia2_register); |
| 542 | start = 0; |
| 543 | buffer = (u8 *) & cmd->buffer; |
| 544 | if (debugs_on & DEBUG_REG) |
| 545 | DBG("%s Random: Register block %s\n", dir, |
| 546 | block_name[block_index]); |
| 547 | break; |
| 548 | case CAMERAACCESS_TYPE_BLOCK: |
| 549 | count = cmd->reg_count; |
| 550 | start = cmd->start; |
| 551 | buffer = cmd->buffer.block_data; |
| 552 | if (debugs_on & DEBUG_REG) |
| 553 | DBG("%s Block: Register block %s\n", dir, |
| 554 | block_name[block_index]); |
| 555 | break; |
| 556 | case CAMERAACCESS_TYPE_MASK: |
| 557 | count = cmd->reg_count * sizeof(struct cpia2_reg_mask); |
| 558 | start = 0; |
| 559 | buffer = (u8 *) & cmd->buffer; |
| 560 | if (debugs_on & DEBUG_REG) |
| 561 | DBG("%s Mask: Register block %s\n", dir, |
| 562 | block_name[block_index]); |
| 563 | break; |
| 564 | case CAMERAACCESS_TYPE_REPEAT: /* For patch blocks only */ |
| 565 | count = cmd->reg_count; |
| 566 | start = cmd->start; |
| 567 | buffer = cmd->buffer.block_data; |
| 568 | if (debugs_on & DEBUG_REG) |
| 569 | DBG("%s Repeat: Register block %s\n", dir, |
| 570 | block_name[block_index]); |
| 571 | break; |
| 572 | default: |
Harvey Harrison | 94205c7 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 573 | LOG("%s: invalid request mode\n",__func__); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 574 | return -EINVAL; |
| 575 | } |
| 576 | |
| 577 | retval = cpia2_usb_transfer_cmd(cam, |
| 578 | buffer, |
| 579 | cmd->req_mode, |
| 580 | start, count, cmd->direction); |
| 581 | #ifdef _CPIA2_DEBUG_ |
| 582 | if (debugs_on & DEBUG_REG) { |
| 583 | int i; |
| 584 | for (i = 0; i < cmd->reg_count; i++) { |
| 585 | if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_BLOCK) |
| 586 | KINFO("%s Block: [0x%02X] = 0x%02X\n", |
| 587 | dir, start + i, buffer[i]); |
| 588 | if((cmd->req_mode & 0x0c) == CAMERAACCESS_TYPE_RANDOM) |
| 589 | KINFO("%s Random: [0x%02X] = 0x%02X\n", |
| 590 | dir, cmd->buffer.registers[i].index, |
| 591 | cmd->buffer.registers[i].value); |
| 592 | } |
| 593 | } |
| 594 | #endif |
| 595 | |
| 596 | return retval; |
| 597 | }; |
| 598 | |
| 599 | /************* |
| 600 | * Functions to implement camera functionality |
| 601 | *************/ |
| 602 | /****************************************************************************** |
| 603 | * |
| 604 | * cpia2_get_version_info |
| 605 | * |
| 606 | *****************************************************************************/ |
| 607 | static void cpia2_get_version_info(struct camera_data *cam) |
| 608 | { |
| 609 | cpia2_do_command(cam, CPIA2_CMD_GET_VERSION, TRANSFER_READ, 0); |
| 610 | cpia2_do_command(cam, CPIA2_CMD_GET_PNP_ID, TRANSFER_READ, 0); |
| 611 | cpia2_do_command(cam, CPIA2_CMD_GET_ASIC_TYPE, TRANSFER_READ, 0); |
| 612 | cpia2_do_command(cam, CPIA2_CMD_GET_SENSOR, TRANSFER_READ, 0); |
| 613 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_DEVICE, TRANSFER_READ, 0); |
| 614 | } |
| 615 | |
| 616 | /****************************************************************************** |
| 617 | * |
| 618 | * cpia2_reset_camera |
| 619 | * |
| 620 | * Called at least during the open process, sets up initial params. |
| 621 | *****************************************************************************/ |
| 622 | int cpia2_reset_camera(struct camera_data *cam) |
| 623 | { |
| 624 | u8 tmp_reg; |
| 625 | int retval = 0; |
| 626 | int i; |
| 627 | struct cpia2_command cmd; |
| 628 | |
| 629 | /*** |
| 630 | * VC setup |
| 631 | ***/ |
| 632 | retval = configure_sensor(cam, |
| 633 | cam->params.roi.width, |
| 634 | cam->params.roi.height); |
| 635 | if (retval < 0) { |
| 636 | ERR("Couldn't configure sensor, error=%d\n", retval); |
| 637 | return retval; |
| 638 | } |
| 639 | |
| 640 | /* Clear FIFO and route/enable stream block */ |
| 641 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; |
| 642 | cmd.direction = TRANSFER_WRITE; |
| 643 | cmd.reg_count = 2; |
| 644 | cmd.buffer.registers[0].index = CPIA2_VC_ST_CTRL; |
| 645 | cmd.buffer.registers[0].value = CPIA2_VC_ST_CTRL_SRC_VC | |
| 646 | CPIA2_VC_ST_CTRL_DST_USB | CPIA2_VC_ST_CTRL_EOF_DETECT; |
| 647 | cmd.buffer.registers[1].index = CPIA2_VC_ST_CTRL; |
| 648 | cmd.buffer.registers[1].value = CPIA2_VC_ST_CTRL_SRC_VC | |
| 649 | CPIA2_VC_ST_CTRL_DST_USB | |
| 650 | CPIA2_VC_ST_CTRL_EOF_DETECT | CPIA2_VC_ST_CTRL_FIFO_ENABLE; |
| 651 | |
| 652 | cpia2_send_command(cam, &cmd); |
| 653 | |
| 654 | cpia2_set_high_power(cam); |
| 655 | |
| 656 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { |
| 657 | /* Enable button notification */ |
| 658 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_SYSTEM; |
| 659 | cmd.buffer.registers[0].index = CPIA2_SYSTEM_INT_PACKET_CTRL; |
| 660 | cmd.buffer.registers[0].value = |
| 661 | CPIA2_SYSTEM_INT_PACKET_CTRL_ENABLE_SW_XX; |
| 662 | cmd.reg_count = 1; |
| 663 | cpia2_send_command(cam, &cmd); |
| 664 | } |
| 665 | |
Robert P. J. Day | 97989ad | 2007-07-16 10:47:51 -0300 | [diff] [blame] | 666 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 667 | |
| 668 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) |
| 669 | retval = apply_vp_patch(cam); |
| 670 | |
| 671 | /* wait for vp to go to sleep */ |
Robert P. J. Day | 97989ad | 2007-07-16 10:47:51 -0300 | [diff] [blame] | 672 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 673 | |
| 674 | /*** |
| 675 | * If this is a 676, apply VP5 fixes before we start streaming |
| 676 | ***/ |
| 677 | if (cam->params.pnp_id.device_type == DEVICE_STV_676) { |
| 678 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; |
| 679 | |
| 680 | /* The following writes improve the picture */ |
| 681 | cmd.buffer.registers[0].index = CPIA2_VP5_MYBLACK_LEVEL; |
| 682 | cmd.buffer.registers[0].value = 0; /* reduce from the default |
| 683 | * rec 601 pedestal of 16 */ |
| 684 | cmd.buffer.registers[1].index = CPIA2_VP5_MCYRANGE; |
| 685 | cmd.buffer.registers[1].value = 0x92; /* increase from 100% to |
| 686 | * (256/256 - 31) to fill |
| 687 | * available range */ |
| 688 | cmd.buffer.registers[2].index = CPIA2_VP5_MYCEILING; |
| 689 | cmd.buffer.registers[2].value = 0xFF; /* Increase from the |
| 690 | * default rec 601 ceiling |
| 691 | * of 240 */ |
| 692 | cmd.buffer.registers[3].index = CPIA2_VP5_MCUVSATURATION; |
| 693 | cmd.buffer.registers[3].value = 0xFF; /* Increase from the rec |
| 694 | * 601 100% level (128) |
| 695 | * to 145-192 */ |
| 696 | cmd.buffer.registers[4].index = CPIA2_VP5_ANTIFLKRSETUP; |
| 697 | cmd.buffer.registers[4].value = 0x80; /* Inhibit the |
| 698 | * anti-flicker */ |
| 699 | |
| 700 | /* The following 4 writes are a fix to allow QVGA to work at 30 fps */ |
| 701 | cmd.buffer.registers[5].index = CPIA2_VP_RAM_ADDR_H; |
| 702 | cmd.buffer.registers[5].value = 0x01; |
| 703 | cmd.buffer.registers[6].index = CPIA2_VP_RAM_ADDR_L; |
| 704 | cmd.buffer.registers[6].value = 0xE3; |
| 705 | cmd.buffer.registers[7].index = CPIA2_VP_RAM_DATA; |
| 706 | cmd.buffer.registers[7].value = 0x02; |
| 707 | cmd.buffer.registers[8].index = CPIA2_VP_RAM_DATA; |
| 708 | cmd.buffer.registers[8].value = 0xFC; |
| 709 | |
| 710 | cmd.direction = TRANSFER_WRITE; |
| 711 | cmd.reg_count = 9; |
| 712 | |
| 713 | cpia2_send_command(cam, &cmd); |
| 714 | } |
| 715 | |
| 716 | /* Activate all settings and start the data stream */ |
| 717 | /* Set user mode */ |
| 718 | set_default_user_mode(cam); |
| 719 | |
| 720 | /* Give VP time to wake up */ |
Robert P. J. Day | 97989ad | 2007-07-16 10:47:51 -0300 | [diff] [blame] | 721 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 722 | |
| 723 | set_all_properties(cam); |
| 724 | |
| 725 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0); |
| 726 | DBG("After SetAllProperties(cam), user mode is 0x%0X\n", |
| 727 | cam->params.vp_params.video_mode); |
| 728 | |
| 729 | /*** |
| 730 | * Set audio regulator off. This and the code to set the compresison |
| 731 | * state are too complex to form a CPIA2_CMD_, and seem to be somewhat |
| 732 | * intertwined. This stuff came straight from the windows driver. |
| 733 | ***/ |
| 734 | /* Turn AutoExposure off in VP and enable the serial bridge to the sensor */ |
| 735 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0); |
| 736 | tmp_reg = cam->params.vp_params.system_ctrl; |
| 737 | cmd.buffer.registers[0].value = tmp_reg & |
| 738 | (tmp_reg & (CPIA2_VP_SYSTEMCTRL_HK_CONTROL ^ 0xFF)); |
| 739 | |
| 740 | cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0); |
| 741 | cmd.buffer.registers[1].value = cam->params.vp_params.device_config | |
| 742 | CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE; |
| 743 | cmd.buffer.registers[0].index = CPIA2_VP_SYSTEMCTRL; |
| 744 | cmd.buffer.registers[1].index = CPIA2_VP_DEVICE_CONFIG; |
| 745 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; |
| 746 | cmd.reg_count = 2; |
| 747 | cmd.direction = TRANSFER_WRITE; |
| 748 | cmd.start = 0; |
| 749 | cpia2_send_command(cam, &cmd); |
| 750 | |
| 751 | /* Set the correct I2C address in the CPiA-2 system register */ |
| 752 | cpia2_do_command(cam, |
| 753 | CPIA2_CMD_SET_SERIAL_ADDR, |
| 754 | TRANSFER_WRITE, |
| 755 | CPIA2_SYSTEM_VP_SERIAL_ADDR_SENSOR); |
| 756 | |
| 757 | /* Now have sensor access - set bit to turn the audio regulator off */ |
| 758 | cpia2_do_command(cam, |
| 759 | CPIA2_CMD_SET_SENSOR_CR1, |
| 760 | TRANSFER_WRITE, CPIA2_SENSOR_CR1_DOWN_AUDIO_REGULATOR); |
| 761 | |
| 762 | /* Set the correct I2C address in the CPiA-2 system register */ |
| 763 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) |
| 764 | cpia2_do_command(cam, |
| 765 | CPIA2_CMD_SET_SERIAL_ADDR, |
| 766 | TRANSFER_WRITE, |
| 767 | CPIA2_SYSTEM_VP_SERIAL_ADDR_VP); // 0x88 |
| 768 | else |
| 769 | cpia2_do_command(cam, |
| 770 | CPIA2_CMD_SET_SERIAL_ADDR, |
| 771 | TRANSFER_WRITE, |
| 772 | CPIA2_SYSTEM_VP_SERIAL_ADDR_676_VP); // 0x8a |
| 773 | |
| 774 | /* increase signal drive strength */ |
| 775 | if (cam->params.pnp_id.device_type == DEVICE_STV_676) |
| 776 | cpia2_do_command(cam, |
| 777 | CPIA2_CMD_SET_VP_EXP_MODES, |
| 778 | TRANSFER_WRITE, |
| 779 | CPIA2_VP_EXPOSURE_MODES_COMPILE_EXP); |
| 780 | |
| 781 | /* Start autoexposure */ |
| 782 | cpia2_do_command(cam, CPIA2_CMD_GET_DEVICE_CONFIG, TRANSFER_READ, 0); |
| 783 | cmd.buffer.registers[0].value = cam->params.vp_params.device_config & |
| 784 | (CPIA2_VP_DEVICE_CONFIG_SERIAL_BRIDGE ^ 0xFF); |
| 785 | |
| 786 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_CTRL, TRANSFER_READ, 0); |
| 787 | cmd.buffer.registers[1].value = |
| 788 | cam->params.vp_params.system_ctrl | CPIA2_VP_SYSTEMCTRL_HK_CONTROL; |
| 789 | |
| 790 | cmd.buffer.registers[0].index = CPIA2_VP_DEVICE_CONFIG; |
| 791 | cmd.buffer.registers[1].index = CPIA2_VP_SYSTEMCTRL; |
| 792 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VP; |
| 793 | cmd.reg_count = 2; |
| 794 | cmd.direction = TRANSFER_WRITE; |
| 795 | |
| 796 | cpia2_send_command(cam, &cmd); |
| 797 | |
| 798 | /* Set compression state */ |
| 799 | cpia2_do_command(cam, CPIA2_CMD_GET_VC_CONTROL, TRANSFER_READ, 0); |
| 800 | if (cam->params.compression.inhibit_htables) { |
| 801 | tmp_reg = cam->params.vc_params.vc_control | |
| 802 | CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES; |
| 803 | } else { |
| 804 | tmp_reg = cam->params.vc_params.vc_control & |
| 805 | ~CPIA2_VC_VC_CTRL_INHIBIT_H_TABLES; |
| 806 | } |
| 807 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_CONTROL, TRANSFER_WRITE,tmp_reg); |
| 808 | |
| 809 | /* Set target size (kb) on vc */ |
| 810 | cpia2_do_command(cam, CPIA2_CMD_SET_TARGET_KB, |
| 811 | TRANSFER_WRITE, cam->params.vc_params.target_kb); |
| 812 | |
| 813 | /* Wiggle VC Reset */ |
| 814 | /*** |
| 815 | * First read and wait a bit. |
| 816 | ***/ |
| 817 | for (i = 0; i < 50; i++) { |
| 818 | cpia2_do_command(cam, CPIA2_CMD_GET_PW_CONTROL, |
| 819 | TRANSFER_READ, 0); |
| 820 | } |
| 821 | |
| 822 | tmp_reg = cam->params.vc_params.pw_control; |
| 823 | tmp_reg &= ~CPIA2_VC_PW_CTRL_VC_RESET_N; |
| 824 | |
| 825 | cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg); |
| 826 | |
| 827 | tmp_reg |= CPIA2_VC_PW_CTRL_VC_RESET_N; |
| 828 | cpia2_do_command(cam, CPIA2_CMD_SET_PW_CONTROL, TRANSFER_WRITE,tmp_reg); |
| 829 | |
| 830 | cpia2_do_command(cam, CPIA2_CMD_SET_DEF_JPEG_OPT, TRANSFER_WRITE, 0); |
| 831 | |
| 832 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_MODE, TRANSFER_READ, 0); |
| 833 | DBG("After VC RESET, user mode is 0x%0X\n", |
| 834 | cam->params.vp_params.video_mode); |
| 835 | |
| 836 | return retval; |
| 837 | } |
| 838 | |
| 839 | /****************************************************************************** |
| 840 | * |
| 841 | * cpia2_set_high_power |
| 842 | * |
| 843 | *****************************************************************************/ |
| 844 | static int cpia2_set_high_power(struct camera_data *cam) |
| 845 | { |
| 846 | int i; |
| 847 | for (i = 0; i <= 50; i++) { |
| 848 | /* Read system status */ |
| 849 | cpia2_do_command(cam,CPIA2_CMD_GET_SYSTEM_CTRL,TRANSFER_READ,0); |
| 850 | |
| 851 | /* If there is an error, clear it */ |
| 852 | if(cam->params.camera_state.system_ctrl & |
| 853 | CPIA2_SYSTEM_CONTROL_V2W_ERR) |
| 854 | cpia2_do_command(cam, CPIA2_CMD_CLEAR_V2W_ERR, |
| 855 | TRANSFER_WRITE, 0); |
| 856 | |
| 857 | /* Try to set high power mode */ |
| 858 | cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL, |
| 859 | TRANSFER_WRITE, 1); |
| 860 | |
| 861 | /* Try to read something in VP to check if everything is awake */ |
| 862 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_SYSTEM_STATE, |
| 863 | TRANSFER_READ, 0); |
| 864 | if (cam->params.vp_params.system_state & |
| 865 | CPIA2_VP_SYSTEMSTATE_HK_ALIVE) { |
| 866 | break; |
| 867 | } else if (i == 50) { |
| 868 | cam->params.camera_state.power_mode = LO_POWER_MODE; |
| 869 | ERR("Camera did not wake up\n"); |
| 870 | return -EIO; |
| 871 | } |
| 872 | } |
| 873 | |
| 874 | DBG("System now in high power state\n"); |
| 875 | cam->params.camera_state.power_mode = HI_POWER_MODE; |
| 876 | return 0; |
| 877 | } |
| 878 | |
| 879 | /****************************************************************************** |
| 880 | * |
| 881 | * cpia2_set_low_power |
| 882 | * |
| 883 | *****************************************************************************/ |
| 884 | int cpia2_set_low_power(struct camera_data *cam) |
| 885 | { |
| 886 | cam->params.camera_state.power_mode = LO_POWER_MODE; |
| 887 | cpia2_do_command(cam, CPIA2_CMD_SET_SYSTEM_CTRL, TRANSFER_WRITE, 0); |
| 888 | return 0; |
| 889 | } |
| 890 | |
| 891 | /****************************************************************************** |
| 892 | * |
| 893 | * apply_vp_patch |
| 894 | * |
| 895 | *****************************************************************************/ |
David Woodhouse | 04a33e4 | 2008-06-23 11:36:23 +0100 | [diff] [blame] | 896 | static int cpia2_send_onebyte_command(struct camera_data *cam, |
| 897 | struct cpia2_command *cmd, |
| 898 | u8 start, u8 datum) |
| 899 | { |
| 900 | cmd->buffer.block_data[0] = datum; |
| 901 | cmd->start = start; |
| 902 | cmd->reg_count = 1; |
| 903 | return cpia2_send_command(cam, cmd); |
| 904 | } |
| 905 | |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 906 | static int apply_vp_patch(struct camera_data *cam) |
| 907 | { |
David Woodhouse | 04a33e4 | 2008-06-23 11:36:23 +0100 | [diff] [blame] | 908 | const struct firmware *fw; |
| 909 | const char fw_name[] = "cpia2/stv0672_vp4.bin"; |
| 910 | int i, ret; |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 911 | struct cpia2_command cmd; |
| 912 | |
David Woodhouse | 04a33e4 | 2008-06-23 11:36:23 +0100 | [diff] [blame] | 913 | ret = request_firmware(&fw, fw_name, &cam->dev->dev); |
| 914 | if (ret) { |
| 915 | printk(KERN_ERR "cpia2: failed to load VP patch \"%s\"\n", |
| 916 | fw_name); |
| 917 | return ret; |
| 918 | } |
| 919 | |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 920 | cmd.req_mode = CAMERAACCESS_TYPE_REPEAT | CAMERAACCESS_VP; |
| 921 | cmd.direction = TRANSFER_WRITE; |
| 922 | |
David Woodhouse | 04a33e4 | 2008-06-23 11:36:23 +0100 | [diff] [blame] | 923 | /* First send the start address... */ |
| 924 | cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */ |
| 925 | cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */ |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 926 | |
David Woodhouse | 04a33e4 | 2008-06-23 11:36:23 +0100 | [diff] [blame] | 927 | /* ... followed by the data payload */ |
| 928 | for (i = 2; i < fw->size; i += 64) { |
| 929 | cmd.start = 0x0C; /* Data */ |
| 930 | cmd.reg_count = min_t(int, 64, fw->size - i); |
| 931 | memcpy(cmd.buffer.block_data, &fw->data[i], cmd.reg_count); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 932 | cpia2_send_command(cam, &cmd); |
| 933 | } |
| 934 | |
David Woodhouse | 04a33e4 | 2008-06-23 11:36:23 +0100 | [diff] [blame] | 935 | /* Next send the start address... */ |
| 936 | cpia2_send_onebyte_command(cam, &cmd, 0x0A, fw->data[0]); /* hi */ |
| 937 | cpia2_send_onebyte_command(cam, &cmd, 0x0B, fw->data[1]); /* lo */ |
| 938 | |
| 939 | /* ... followed by the 'goto' command */ |
| 940 | cpia2_send_onebyte_command(cam, &cmd, 0x0D, 1); |
| 941 | |
| 942 | release_firmware(fw); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 943 | return 0; |
| 944 | } |
| 945 | |
| 946 | /****************************************************************************** |
| 947 | * |
| 948 | * set_default_user_mode |
| 949 | * |
| 950 | *****************************************************************************/ |
| 951 | static int set_default_user_mode(struct camera_data *cam) |
| 952 | { |
| 953 | unsigned char user_mode; |
| 954 | unsigned char frame_rate; |
| 955 | int width = cam->params.roi.width; |
| 956 | int height = cam->params.roi.height; |
| 957 | |
| 958 | switch (cam->params.version.sensor_flags) { |
| 959 | case CPIA2_VP_SENSOR_FLAGS_404: |
| 960 | case CPIA2_VP_SENSOR_FLAGS_407: |
| 961 | case CPIA2_VP_SENSOR_FLAGS_409: |
| 962 | case CPIA2_VP_SENSOR_FLAGS_410: |
| 963 | if ((width > STV_IMAGE_QCIF_COLS) |
| 964 | || (height > STV_IMAGE_QCIF_ROWS)) { |
| 965 | user_mode = CPIA2_VP_USER_MODE_CIF; |
| 966 | } else { |
| 967 | user_mode = CPIA2_VP_USER_MODE_QCIFDS; |
| 968 | } |
| 969 | frame_rate = CPIA2_VP_FRAMERATE_30; |
| 970 | break; |
| 971 | case CPIA2_VP_SENSOR_FLAGS_500: |
| 972 | if ((width > STV_IMAGE_CIF_COLS) |
| 973 | || (height > STV_IMAGE_CIF_ROWS)) { |
| 974 | user_mode = CPIA2_VP_USER_MODE_VGA; |
| 975 | } else { |
| 976 | user_mode = CPIA2_VP_USER_MODE_QVGADS; |
| 977 | } |
| 978 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) |
| 979 | frame_rate = CPIA2_VP_FRAMERATE_15; |
| 980 | else |
| 981 | frame_rate = CPIA2_VP_FRAMERATE_30; |
| 982 | break; |
| 983 | default: |
Harvey Harrison | 94205c7 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 984 | LOG("%s: Invalid sensor flag value 0x%0X\n",__func__, |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 985 | cam->params.version.sensor_flags); |
| 986 | return -EINVAL; |
| 987 | } |
| 988 | |
| 989 | DBG("Sensor flag = 0x%0x, user mode = 0x%0x, frame rate = 0x%X\n", |
| 990 | cam->params.version.sensor_flags, user_mode, frame_rate); |
| 991 | cpia2_do_command(cam, CPIA2_CMD_SET_USER_MODE, TRANSFER_WRITE, |
| 992 | user_mode); |
| 993 | if(cam->params.vp_params.frame_rate > 0 && |
| 994 | frame_rate > cam->params.vp_params.frame_rate) |
| 995 | frame_rate = cam->params.vp_params.frame_rate; |
| 996 | |
| 997 | cpia2_set_fps(cam, frame_rate); |
| 998 | |
| 999 | // if (cam->params.pnp_id.device_type == DEVICE_STV_676) |
| 1000 | // cpia2_do_command(cam, |
| 1001 | // CPIA2_CMD_SET_VP_SYSTEM_CTRL, |
| 1002 | // TRANSFER_WRITE, |
| 1003 | // CPIA2_VP_SYSTEMCTRL_HK_CONTROL | |
| 1004 | // CPIA2_VP_SYSTEMCTRL_POWER_CONTROL); |
| 1005 | |
| 1006 | return 0; |
| 1007 | } |
| 1008 | |
| 1009 | /****************************************************************************** |
| 1010 | * |
| 1011 | * cpia2_match_video_size |
| 1012 | * |
| 1013 | * return the best match, where 'best' is as always |
| 1014 | * the largest that is not bigger than what is requested. |
| 1015 | *****************************************************************************/ |
| 1016 | int cpia2_match_video_size(int width, int height) |
| 1017 | { |
| 1018 | if (width >= STV_IMAGE_VGA_COLS && height >= STV_IMAGE_VGA_ROWS) |
| 1019 | return VIDEOSIZE_VGA; |
| 1020 | |
| 1021 | if (width >= STV_IMAGE_CIF_COLS && height >= STV_IMAGE_CIF_ROWS) |
| 1022 | return VIDEOSIZE_CIF; |
| 1023 | |
| 1024 | if (width >= STV_IMAGE_QVGA_COLS && height >= STV_IMAGE_QVGA_ROWS) |
| 1025 | return VIDEOSIZE_QVGA; |
| 1026 | |
| 1027 | if (width >= 288 && height >= 216) |
| 1028 | return VIDEOSIZE_288_216; |
| 1029 | |
| 1030 | if (width >= 256 && height >= 192) |
| 1031 | return VIDEOSIZE_256_192; |
| 1032 | |
| 1033 | if (width >= 224 && height >= 168) |
| 1034 | return VIDEOSIZE_224_168; |
| 1035 | |
| 1036 | if (width >= 192 && height >= 144) |
| 1037 | return VIDEOSIZE_192_144; |
| 1038 | |
| 1039 | if (width >= STV_IMAGE_QCIF_COLS && height >= STV_IMAGE_QCIF_ROWS) |
| 1040 | return VIDEOSIZE_QCIF; |
| 1041 | |
| 1042 | return -1; |
| 1043 | } |
| 1044 | |
| 1045 | /****************************************************************************** |
| 1046 | * |
| 1047 | * SetVideoSize |
| 1048 | * |
| 1049 | *****************************************************************************/ |
| 1050 | static int set_vw_size(struct camera_data *cam, int size) |
| 1051 | { |
| 1052 | int retval = 0; |
| 1053 | |
| 1054 | cam->params.vp_params.video_size = size; |
| 1055 | |
| 1056 | switch (size) { |
| 1057 | case VIDEOSIZE_VGA: |
| 1058 | DBG("Setting size to VGA\n"); |
| 1059 | cam->params.roi.width = STV_IMAGE_VGA_COLS; |
| 1060 | cam->params.roi.height = STV_IMAGE_VGA_ROWS; |
| 1061 | cam->vw.width = STV_IMAGE_VGA_COLS; |
| 1062 | cam->vw.height = STV_IMAGE_VGA_ROWS; |
| 1063 | break; |
| 1064 | case VIDEOSIZE_CIF: |
| 1065 | DBG("Setting size to CIF\n"); |
| 1066 | cam->params.roi.width = STV_IMAGE_CIF_COLS; |
| 1067 | cam->params.roi.height = STV_IMAGE_CIF_ROWS; |
| 1068 | cam->vw.width = STV_IMAGE_CIF_COLS; |
| 1069 | cam->vw.height = STV_IMAGE_CIF_ROWS; |
| 1070 | break; |
| 1071 | case VIDEOSIZE_QVGA: |
| 1072 | DBG("Setting size to QVGA\n"); |
| 1073 | cam->params.roi.width = STV_IMAGE_QVGA_COLS; |
| 1074 | cam->params.roi.height = STV_IMAGE_QVGA_ROWS; |
| 1075 | cam->vw.width = STV_IMAGE_QVGA_COLS; |
| 1076 | cam->vw.height = STV_IMAGE_QVGA_ROWS; |
| 1077 | break; |
| 1078 | case VIDEOSIZE_288_216: |
| 1079 | cam->params.roi.width = 288; |
| 1080 | cam->params.roi.height = 216; |
| 1081 | cam->vw.width = 288; |
| 1082 | cam->vw.height = 216; |
| 1083 | break; |
| 1084 | case VIDEOSIZE_256_192: |
| 1085 | cam->vw.width = 256; |
| 1086 | cam->vw.height = 192; |
| 1087 | cam->params.roi.width = 256; |
| 1088 | cam->params.roi.height = 192; |
| 1089 | break; |
| 1090 | case VIDEOSIZE_224_168: |
| 1091 | cam->vw.width = 224; |
| 1092 | cam->vw.height = 168; |
| 1093 | cam->params.roi.width = 224; |
| 1094 | cam->params.roi.height = 168; |
| 1095 | break; |
| 1096 | case VIDEOSIZE_192_144: |
| 1097 | cam->vw.width = 192; |
| 1098 | cam->vw.height = 144; |
| 1099 | cam->params.roi.width = 192; |
| 1100 | cam->params.roi.height = 144; |
| 1101 | break; |
| 1102 | case VIDEOSIZE_QCIF: |
| 1103 | DBG("Setting size to QCIF\n"); |
| 1104 | cam->params.roi.width = STV_IMAGE_QCIF_COLS; |
| 1105 | cam->params.roi.height = STV_IMAGE_QCIF_ROWS; |
| 1106 | cam->vw.width = STV_IMAGE_QCIF_COLS; |
| 1107 | cam->vw.height = STV_IMAGE_QCIF_ROWS; |
| 1108 | break; |
| 1109 | default: |
| 1110 | retval = -EINVAL; |
| 1111 | } |
| 1112 | return retval; |
| 1113 | } |
| 1114 | |
| 1115 | /****************************************************************************** |
| 1116 | * |
| 1117 | * configure_sensor |
| 1118 | * |
| 1119 | *****************************************************************************/ |
| 1120 | static int configure_sensor(struct camera_data *cam, |
| 1121 | int req_width, int req_height) |
| 1122 | { |
| 1123 | int retval; |
| 1124 | |
| 1125 | switch (cam->params.version.sensor_flags) { |
| 1126 | case CPIA2_VP_SENSOR_FLAGS_404: |
| 1127 | case CPIA2_VP_SENSOR_FLAGS_407: |
| 1128 | case CPIA2_VP_SENSOR_FLAGS_409: |
| 1129 | case CPIA2_VP_SENSOR_FLAGS_410: |
| 1130 | retval = config_sensor_410(cam, req_width, req_height); |
| 1131 | break; |
| 1132 | case CPIA2_VP_SENSOR_FLAGS_500: |
| 1133 | retval = config_sensor_500(cam, req_width, req_height); |
| 1134 | break; |
| 1135 | default: |
| 1136 | return -EINVAL; |
| 1137 | } |
| 1138 | |
| 1139 | return retval; |
| 1140 | } |
| 1141 | |
| 1142 | /****************************************************************************** |
| 1143 | * |
| 1144 | * config_sensor_410 |
| 1145 | * |
| 1146 | *****************************************************************************/ |
| 1147 | static int config_sensor_410(struct camera_data *cam, |
| 1148 | int req_width, int req_height) |
| 1149 | { |
| 1150 | struct cpia2_command cmd; |
| 1151 | int i = 0; |
| 1152 | int image_size; |
| 1153 | int image_type; |
| 1154 | int width = req_width; |
| 1155 | int height = req_height; |
| 1156 | |
| 1157 | /*** |
| 1158 | * Make sure size doesn't exceed CIF. |
| 1159 | ***/ |
| 1160 | if (width > STV_IMAGE_CIF_COLS) |
| 1161 | width = STV_IMAGE_CIF_COLS; |
| 1162 | if (height > STV_IMAGE_CIF_ROWS) |
| 1163 | height = STV_IMAGE_CIF_ROWS; |
| 1164 | |
| 1165 | image_size = cpia2_match_video_size(width, height); |
| 1166 | |
| 1167 | DBG("Config 410: width = %d, height = %d\n", width, height); |
| 1168 | DBG("Image size returned is %d\n", image_size); |
| 1169 | if (image_size >= 0) { |
| 1170 | set_vw_size(cam, image_size); |
| 1171 | width = cam->params.roi.width; |
| 1172 | height = cam->params.roi.height; |
| 1173 | |
| 1174 | DBG("After set_vw_size(), width = %d, height = %d\n", |
| 1175 | width, height); |
| 1176 | if (width <= 176 && height <= 144) { |
| 1177 | DBG("image type = VIDEOSIZE_QCIF\n"); |
| 1178 | image_type = VIDEOSIZE_QCIF; |
| 1179 | } |
| 1180 | else if (width <= 320 && height <= 240) { |
| 1181 | DBG("image type = VIDEOSIZE_QVGA\n"); |
| 1182 | image_type = VIDEOSIZE_QVGA; |
| 1183 | } |
| 1184 | else { |
| 1185 | DBG("image type = VIDEOSIZE_CIF\n"); |
| 1186 | image_type = VIDEOSIZE_CIF; |
| 1187 | } |
| 1188 | } else { |
| 1189 | ERR("ConfigSensor410 failed\n"); |
| 1190 | return -EINVAL; |
| 1191 | } |
| 1192 | |
| 1193 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; |
| 1194 | cmd.direction = TRANSFER_WRITE; |
| 1195 | |
| 1196 | /* VC Format */ |
| 1197 | cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT; |
| 1198 | if (image_type == VIDEOSIZE_CIF) { |
| 1199 | cmd.buffer.registers[i++].value = |
| 1200 | (u8) (CPIA2_VC_VC_FORMAT_UFIRST | |
| 1201 | CPIA2_VC_VC_FORMAT_SHORTLINE); |
| 1202 | } else { |
| 1203 | cmd.buffer.registers[i++].value = |
| 1204 | (u8) CPIA2_VC_VC_FORMAT_UFIRST; |
| 1205 | } |
| 1206 | |
| 1207 | /* VC Clocks */ |
| 1208 | cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS; |
| 1209 | if (image_type == VIDEOSIZE_QCIF) { |
| 1210 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { |
| 1211 | cmd.buffer.registers[i++].value= |
| 1212 | (u8)(CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 | |
| 1213 | CPIA2_VC_VC_672_CLOCKS_SCALING | |
| 1214 | CPIA2_VC_VC_CLOCKS_LOGDIV2); |
| 1215 | DBG("VC_Clocks (0xc4) should be B\n"); |
| 1216 | } |
| 1217 | else { |
| 1218 | cmd.buffer.registers[i++].value= |
| 1219 | (u8)(CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 | |
| 1220 | CPIA2_VC_VC_CLOCKS_LOGDIV2); |
| 1221 | } |
| 1222 | } else { |
| 1223 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { |
| 1224 | cmd.buffer.registers[i++].value = |
| 1225 | (u8) (CPIA2_VC_VC_672_CLOCKS_CIF_DIV_BY_3 | |
| 1226 | CPIA2_VC_VC_CLOCKS_LOGDIV0); |
| 1227 | } |
| 1228 | else { |
| 1229 | cmd.buffer.registers[i++].value = |
| 1230 | (u8) (CPIA2_VC_VC_676_CLOCKS_CIF_DIV_BY_3 | |
| 1231 | CPIA2_VC_VC_676_CLOCKS_SCALING | |
| 1232 | CPIA2_VC_VC_CLOCKS_LOGDIV0); |
| 1233 | } |
| 1234 | } |
| 1235 | DBG("VC_Clocks (0xc4) = 0x%0X\n", cmd.buffer.registers[i-1].value); |
| 1236 | |
| 1237 | /* Input reqWidth from VC */ |
| 1238 | cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO; |
| 1239 | if (image_type == VIDEOSIZE_QCIF) |
| 1240 | cmd.buffer.registers[i++].value = |
| 1241 | (u8) (STV_IMAGE_QCIF_COLS / 4); |
| 1242 | else |
| 1243 | cmd.buffer.registers[i++].value = |
| 1244 | (u8) (STV_IMAGE_CIF_COLS / 4); |
| 1245 | |
| 1246 | /* Timings */ |
| 1247 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI; |
| 1248 | if (image_type == VIDEOSIZE_QCIF) |
| 1249 | cmd.buffer.registers[i++].value = (u8) 0; |
| 1250 | else |
| 1251 | cmd.buffer.registers[i++].value = (u8) 1; |
| 1252 | |
| 1253 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO; |
| 1254 | if (image_type == VIDEOSIZE_QCIF) |
| 1255 | cmd.buffer.registers[i++].value = (u8) 208; |
| 1256 | else |
| 1257 | cmd.buffer.registers[i++].value = (u8) 160; |
| 1258 | |
| 1259 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI; |
| 1260 | if (image_type == VIDEOSIZE_QCIF) |
| 1261 | cmd.buffer.registers[i++].value = (u8) 0; |
| 1262 | else |
| 1263 | cmd.buffer.registers[i++].value = (u8) 1; |
| 1264 | |
| 1265 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO; |
| 1266 | if (image_type == VIDEOSIZE_QCIF) |
| 1267 | cmd.buffer.registers[i++].value = (u8) 160; |
| 1268 | else |
| 1269 | cmd.buffer.registers[i++].value = (u8) 64; |
| 1270 | |
| 1271 | /* Output Image Size */ |
| 1272 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE; |
| 1273 | cmd.buffer.registers[i++].value = cam->params.roi.width / 4; |
| 1274 | |
| 1275 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE; |
| 1276 | cmd.buffer.registers[i++].value = cam->params.roi.height / 4; |
| 1277 | |
| 1278 | /* Cropping */ |
| 1279 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP; |
| 1280 | if (image_type == VIDEOSIZE_QCIF) |
| 1281 | cmd.buffer.registers[i++].value = |
| 1282 | (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2); |
| 1283 | else |
| 1284 | cmd.buffer.registers[i++].value = |
| 1285 | (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2); |
| 1286 | |
| 1287 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP; |
| 1288 | if (image_type == VIDEOSIZE_QCIF) |
| 1289 | cmd.buffer.registers[i++].value = |
| 1290 | (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2); |
| 1291 | else |
| 1292 | cmd.buffer.registers[i++].value = |
| 1293 | (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2); |
| 1294 | |
| 1295 | /* Scaling registers (defaults) */ |
| 1296 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE; |
| 1297 | cmd.buffer.registers[i++].value = (u8) 0; |
| 1298 | |
| 1299 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE; |
| 1300 | cmd.buffer.registers[i++].value = (u8) 0; |
| 1301 | |
| 1302 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN; |
| 1303 | cmd.buffer.registers[i++].value = (u8) 31; |
| 1304 | |
| 1305 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN; |
| 1306 | cmd.buffer.registers[i++].value = (u8) 31; |
| 1307 | |
| 1308 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP; |
| 1309 | cmd.buffer.registers[i++].value = (u8) 0; |
| 1310 | |
| 1311 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP; |
| 1312 | cmd.buffer.registers[i++].value = (u8) 0; |
| 1313 | |
| 1314 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT; |
| 1315 | cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */ |
| 1316 | |
| 1317 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT; |
| 1318 | cmd.buffer.registers[i++].value = (u8) 0x81; /* = 8/1 = 8 (HIBYTE/LOBYTE) */ |
| 1319 | |
| 1320 | cmd.reg_count = i; |
| 1321 | |
| 1322 | cpia2_send_command(cam, &cmd); |
| 1323 | |
| 1324 | return i; |
| 1325 | } |
| 1326 | |
| 1327 | |
| 1328 | /****************************************************************************** |
| 1329 | * |
| 1330 | * config_sensor_500(cam) |
| 1331 | * |
| 1332 | *****************************************************************************/ |
| 1333 | static int config_sensor_500(struct camera_data *cam, |
| 1334 | int req_width, int req_height) |
| 1335 | { |
| 1336 | struct cpia2_command cmd; |
| 1337 | int i = 0; |
| 1338 | int image_size = VIDEOSIZE_CIF; |
| 1339 | int image_type = VIDEOSIZE_VGA; |
| 1340 | int width = req_width; |
| 1341 | int height = req_height; |
| 1342 | unsigned int device = cam->params.pnp_id.device_type; |
| 1343 | |
| 1344 | image_size = cpia2_match_video_size(width, height); |
| 1345 | |
| 1346 | if (width > STV_IMAGE_CIF_COLS || height > STV_IMAGE_CIF_ROWS) |
| 1347 | image_type = VIDEOSIZE_VGA; |
| 1348 | else if (width > STV_IMAGE_QVGA_COLS || height > STV_IMAGE_QVGA_ROWS) |
| 1349 | image_type = VIDEOSIZE_CIF; |
| 1350 | else if (width > STV_IMAGE_QCIF_COLS || height > STV_IMAGE_QCIF_ROWS) |
| 1351 | image_type = VIDEOSIZE_QVGA; |
| 1352 | else |
| 1353 | image_type = VIDEOSIZE_QCIF; |
| 1354 | |
| 1355 | if (image_size >= 0) { |
| 1356 | set_vw_size(cam, image_size); |
| 1357 | width = cam->params.roi.width; |
| 1358 | height = cam->params.roi.height; |
| 1359 | } else { |
| 1360 | ERR("ConfigSensor500 failed\n"); |
| 1361 | return -EINVAL; |
| 1362 | } |
| 1363 | |
| 1364 | DBG("image_size = %d, width = %d, height = %d, type = %d\n", |
| 1365 | image_size, width, height, image_type); |
| 1366 | |
| 1367 | cmd.req_mode = CAMERAACCESS_TYPE_RANDOM | CAMERAACCESS_VC; |
| 1368 | cmd.direction = TRANSFER_WRITE; |
| 1369 | i = 0; |
| 1370 | |
| 1371 | /* VC Format */ |
| 1372 | cmd.buffer.registers[i].index = CPIA2_VC_VC_FORMAT; |
| 1373 | cmd.buffer.registers[i].value = (u8) CPIA2_VC_VC_FORMAT_UFIRST; |
| 1374 | if (image_type == VIDEOSIZE_QCIF) |
| 1375 | cmd.buffer.registers[i].value |= (u8) CPIA2_VC_VC_FORMAT_DECIMATING; |
| 1376 | i++; |
| 1377 | |
| 1378 | /* VC Clocks */ |
| 1379 | cmd.buffer.registers[i].index = CPIA2_VC_VC_CLOCKS; |
| 1380 | if (device == DEVICE_STV_672) { |
| 1381 | if (image_type == VIDEOSIZE_VGA) |
| 1382 | cmd.buffer.registers[i].value = |
| 1383 | (u8)CPIA2_VC_VC_CLOCKS_LOGDIV1; |
| 1384 | else |
| 1385 | cmd.buffer.registers[i].value = |
| 1386 | (u8)(CPIA2_VC_VC_672_CLOCKS_SCALING | |
| 1387 | CPIA2_VC_VC_CLOCKS_LOGDIV3); |
| 1388 | } else { |
| 1389 | if (image_type == VIDEOSIZE_VGA) |
| 1390 | cmd.buffer.registers[i].value = |
| 1391 | (u8)CPIA2_VC_VC_CLOCKS_LOGDIV0; |
| 1392 | else |
| 1393 | cmd.buffer.registers[i].value = |
| 1394 | (u8)(CPIA2_VC_VC_676_CLOCKS_SCALING | |
| 1395 | CPIA2_VC_VC_CLOCKS_LOGDIV2); |
| 1396 | } |
| 1397 | i++; |
| 1398 | |
| 1399 | DBG("VC_CLOCKS = 0x%X\n", cmd.buffer.registers[i-1].value); |
| 1400 | |
| 1401 | /* Input width from VP */ |
| 1402 | cmd.buffer.registers[i].index = CPIA2_VC_VC_IHSIZE_LO; |
| 1403 | if (image_type == VIDEOSIZE_VGA) |
| 1404 | cmd.buffer.registers[i].value = |
| 1405 | (u8) (STV_IMAGE_VGA_COLS / 4); |
| 1406 | else |
| 1407 | cmd.buffer.registers[i].value = |
| 1408 | (u8) (STV_IMAGE_QVGA_COLS / 4); |
| 1409 | i++; |
| 1410 | DBG("Input width = %d\n", cmd.buffer.registers[i-1].value); |
| 1411 | |
| 1412 | /* Timings */ |
| 1413 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_HI; |
| 1414 | if (image_type == VIDEOSIZE_VGA) |
| 1415 | cmd.buffer.registers[i++].value = (u8) 2; |
| 1416 | else |
| 1417 | cmd.buffer.registers[i++].value = (u8) 1; |
| 1418 | |
| 1419 | cmd.buffer.registers[i].index = CPIA2_VC_VC_XLIM_LO; |
| 1420 | if (image_type == VIDEOSIZE_VGA) |
| 1421 | cmd.buffer.registers[i++].value = (u8) 250; |
| 1422 | else if (image_type == VIDEOSIZE_QVGA) |
| 1423 | cmd.buffer.registers[i++].value = (u8) 125; |
| 1424 | else |
| 1425 | cmd.buffer.registers[i++].value = (u8) 160; |
| 1426 | |
| 1427 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_HI; |
| 1428 | if (image_type == VIDEOSIZE_VGA) |
| 1429 | cmd.buffer.registers[i++].value = (u8) 2; |
| 1430 | else |
| 1431 | cmd.buffer.registers[i++].value = (u8) 1; |
| 1432 | |
| 1433 | cmd.buffer.registers[i].index = CPIA2_VC_VC_YLIM_LO; |
| 1434 | if (image_type == VIDEOSIZE_VGA) |
| 1435 | cmd.buffer.registers[i++].value = (u8) 12; |
| 1436 | else if (image_type == VIDEOSIZE_QVGA) |
| 1437 | cmd.buffer.registers[i++].value = (u8) 64; |
| 1438 | else |
| 1439 | cmd.buffer.registers[i++].value = (u8) 6; |
| 1440 | |
| 1441 | /* Output Image Size */ |
| 1442 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OHSIZE; |
| 1443 | if (image_type == VIDEOSIZE_QCIF) |
| 1444 | cmd.buffer.registers[i++].value = STV_IMAGE_CIF_COLS / 4; |
| 1445 | else |
| 1446 | cmd.buffer.registers[i++].value = width / 4; |
| 1447 | |
| 1448 | cmd.buffer.registers[i].index = CPIA2_VC_VC_OVSIZE; |
| 1449 | if (image_type == VIDEOSIZE_QCIF) |
| 1450 | cmd.buffer.registers[i++].value = STV_IMAGE_CIF_ROWS / 4; |
| 1451 | else |
| 1452 | cmd.buffer.registers[i++].value = height / 4; |
| 1453 | |
| 1454 | /* Cropping */ |
| 1455 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HCROP; |
| 1456 | if (image_type == VIDEOSIZE_VGA) |
| 1457 | cmd.buffer.registers[i++].value = |
| 1458 | (u8) (((STV_IMAGE_VGA_COLS / 4) - (width / 4)) / 2); |
| 1459 | else if (image_type == VIDEOSIZE_QVGA) |
| 1460 | cmd.buffer.registers[i++].value = |
| 1461 | (u8) (((STV_IMAGE_QVGA_COLS / 4) - (width / 4)) / 2); |
| 1462 | else if (image_type == VIDEOSIZE_CIF) |
| 1463 | cmd.buffer.registers[i++].value = |
| 1464 | (u8) (((STV_IMAGE_CIF_COLS / 4) - (width / 4)) / 2); |
| 1465 | else /*if (image_type == VIDEOSIZE_QCIF)*/ |
| 1466 | cmd.buffer.registers[i++].value = |
| 1467 | (u8) (((STV_IMAGE_QCIF_COLS / 4) - (width / 4)) / 2); |
| 1468 | |
| 1469 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VCROP; |
| 1470 | if (image_type == VIDEOSIZE_VGA) |
| 1471 | cmd.buffer.registers[i++].value = |
| 1472 | (u8) (((STV_IMAGE_VGA_ROWS / 4) - (height / 4)) / 2); |
| 1473 | else if (image_type == VIDEOSIZE_QVGA) |
| 1474 | cmd.buffer.registers[i++].value = |
| 1475 | (u8) (((STV_IMAGE_QVGA_ROWS / 4) - (height / 4)) / 2); |
| 1476 | else if (image_type == VIDEOSIZE_CIF) |
| 1477 | cmd.buffer.registers[i++].value = |
| 1478 | (u8) (((STV_IMAGE_CIF_ROWS / 4) - (height / 4)) / 2); |
| 1479 | else /*if (image_type == VIDEOSIZE_QCIF)*/ |
| 1480 | cmd.buffer.registers[i++].value = |
| 1481 | (u8) (((STV_IMAGE_QCIF_ROWS / 4) - (height / 4)) / 2); |
| 1482 | |
| 1483 | /* Scaling registers (defaults) */ |
| 1484 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HPHASE; |
| 1485 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) |
| 1486 | cmd.buffer.registers[i++].value = (u8) 36; |
| 1487 | else |
| 1488 | cmd.buffer.registers[i++].value = (u8) 0; |
| 1489 | |
| 1490 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VPHASE; |
| 1491 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) |
| 1492 | cmd.buffer.registers[i++].value = (u8) 32; |
| 1493 | else |
| 1494 | cmd.buffer.registers[i++].value = (u8) 0; |
| 1495 | |
| 1496 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HISPAN; |
| 1497 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) |
| 1498 | cmd.buffer.registers[i++].value = (u8) 26; |
| 1499 | else |
| 1500 | cmd.buffer.registers[i++].value = (u8) 31; |
| 1501 | |
| 1502 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VISPAN; |
| 1503 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) |
| 1504 | cmd.buffer.registers[i++].value = (u8) 21; |
| 1505 | else |
| 1506 | cmd.buffer.registers[i++].value = (u8) 31; |
| 1507 | |
| 1508 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HICROP; |
| 1509 | cmd.buffer.registers[i++].value = (u8) 0; |
| 1510 | |
| 1511 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VICROP; |
| 1512 | cmd.buffer.registers[i++].value = (u8) 0; |
| 1513 | |
| 1514 | cmd.buffer.registers[i].index = CPIA2_VC_VC_HFRACT; |
| 1515 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) |
| 1516 | cmd.buffer.registers[i++].value = (u8) 0x2B; /* 2/11 */ |
| 1517 | else |
| 1518 | cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */ |
| 1519 | |
| 1520 | cmd.buffer.registers[i].index = CPIA2_VC_VC_VFRACT; |
| 1521 | if (image_type == VIDEOSIZE_CIF || image_type == VIDEOSIZE_QCIF) |
| 1522 | cmd.buffer.registers[i++].value = (u8) 0x13; /* 1/3 */ |
| 1523 | else |
| 1524 | cmd.buffer.registers[i++].value = (u8) 0x81; /* 8/1 */ |
| 1525 | |
| 1526 | cmd.reg_count = i; |
| 1527 | |
| 1528 | cpia2_send_command(cam, &cmd); |
| 1529 | |
| 1530 | return i; |
| 1531 | } |
| 1532 | |
| 1533 | |
| 1534 | /****************************************************************************** |
| 1535 | * |
| 1536 | * setallproperties |
| 1537 | * |
| 1538 | * This sets all user changeable properties to the values in cam->params. |
| 1539 | *****************************************************************************/ |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 1540 | static int set_all_properties(struct camera_data *cam) |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 1541 | { |
| 1542 | /** |
| 1543 | * Don't set target_kb here, it will be set later. |
| 1544 | * framerate and user_mode were already set (set_default_user_mode). |
| 1545 | **/ |
| 1546 | |
| 1547 | cpia2_set_color_params(cam); |
| 1548 | |
| 1549 | cpia2_usb_change_streaming_alternate(cam, |
| 1550 | cam->params.camera_state.stream_mode); |
| 1551 | |
| 1552 | cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE, |
| 1553 | cam->params.vp_params.user_effects); |
| 1554 | |
| 1555 | cpia2_set_flicker_mode(cam, |
| 1556 | cam->params.flicker_control.flicker_mode_req); |
| 1557 | |
| 1558 | cpia2_do_command(cam, |
| 1559 | CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, |
| 1560 | TRANSFER_WRITE, cam->params.vp_params.gpio_direction); |
| 1561 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA, TRANSFER_WRITE, |
| 1562 | cam->params.vp_params.gpio_data); |
| 1563 | |
| 1564 | wake_system(cam); |
| 1565 | |
| 1566 | set_lowlight_boost(cam); |
| 1567 | |
| 1568 | return 0; |
| 1569 | } |
| 1570 | |
| 1571 | /****************************************************************************** |
| 1572 | * |
| 1573 | * cpia2_save_camera_state |
| 1574 | * |
| 1575 | *****************************************************************************/ |
| 1576 | void cpia2_save_camera_state(struct camera_data *cam) |
| 1577 | { |
| 1578 | get_color_params(cam); |
| 1579 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); |
| 1580 | cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION, TRANSFER_READ, |
| 1581 | 0); |
| 1582 | cpia2_do_command(cam, CPIA2_CMD_GET_VC_MP_GPIO_DATA, TRANSFER_READ, 0); |
| 1583 | /* Don't get framerate or target_kb. Trust the values we already have */ |
| 1584 | } |
| 1585 | |
| 1586 | /****************************************************************************** |
| 1587 | * |
| 1588 | * get_color_params |
| 1589 | * |
| 1590 | *****************************************************************************/ |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 1591 | static void get_color_params(struct camera_data *cam) |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 1592 | { |
| 1593 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_BRIGHTNESS, TRANSFER_READ, 0); |
| 1594 | cpia2_do_command(cam, CPIA2_CMD_GET_VP_SATURATION, TRANSFER_READ, 0); |
| 1595 | cpia2_do_command(cam, CPIA2_CMD_GET_CONTRAST, TRANSFER_READ, 0); |
| 1596 | } |
| 1597 | |
| 1598 | /****************************************************************************** |
| 1599 | * |
| 1600 | * cpia2_set_color_params |
| 1601 | * |
| 1602 | *****************************************************************************/ |
| 1603 | void cpia2_set_color_params(struct camera_data *cam) |
| 1604 | { |
| 1605 | DBG("Setting color params\n"); |
| 1606 | cpia2_set_brightness(cam, cam->params.color_params.brightness); |
| 1607 | cpia2_set_contrast(cam, cam->params.color_params.contrast); |
| 1608 | cpia2_set_saturation(cam, cam->params.color_params.saturation); |
| 1609 | } |
| 1610 | |
| 1611 | /****************************************************************************** |
| 1612 | * |
| 1613 | * cpia2_set_flicker_mode |
| 1614 | * |
| 1615 | *****************************************************************************/ |
| 1616 | int cpia2_set_flicker_mode(struct camera_data *cam, int mode) |
| 1617 | { |
| 1618 | unsigned char cam_reg; |
| 1619 | int err = 0; |
| 1620 | |
| 1621 | if(cam->params.pnp_id.device_type != DEVICE_STV_672) |
| 1622 | return -EINVAL; |
| 1623 | |
| 1624 | /* Set the appropriate bits in FLICKER_MODES, preserving the rest */ |
| 1625 | if((err = cpia2_do_command(cam, CPIA2_CMD_GET_FLICKER_MODES, |
| 1626 | TRANSFER_READ, 0))) |
| 1627 | return err; |
| 1628 | cam_reg = cam->params.flicker_control.cam_register; |
| 1629 | |
| 1630 | switch(mode) { |
| 1631 | case NEVER_FLICKER: |
| 1632 | cam_reg |= CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; |
| 1633 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ; |
| 1634 | break; |
| 1635 | case FLICKER_60: |
| 1636 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; |
| 1637 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_50HZ; |
| 1638 | break; |
| 1639 | case FLICKER_50: |
| 1640 | cam_reg &= ~CPIA2_VP_FLICKER_MODES_NEVER_FLICKER; |
| 1641 | cam_reg |= CPIA2_VP_FLICKER_MODES_50HZ; |
| 1642 | break; |
| 1643 | default: |
| 1644 | return -EINVAL; |
| 1645 | } |
| 1646 | |
| 1647 | if((err = cpia2_do_command(cam, CPIA2_CMD_SET_FLICKER_MODES, |
| 1648 | TRANSFER_WRITE, cam_reg))) |
| 1649 | return err; |
| 1650 | |
| 1651 | /* Set the appropriate bits in EXP_MODES, preserving the rest */ |
| 1652 | if((err = cpia2_do_command(cam, CPIA2_CMD_GET_VP_EXP_MODES, |
| 1653 | TRANSFER_READ, 0))) |
| 1654 | return err; |
| 1655 | cam_reg = cam->params.vp_params.exposure_modes; |
| 1656 | |
| 1657 | if (mode == NEVER_FLICKER) { |
| 1658 | cam_reg |= CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER; |
| 1659 | } else { |
| 1660 | cam_reg &= ~CPIA2_VP_EXPOSURE_MODES_INHIBIT_FLICKER; |
| 1661 | } |
| 1662 | |
| 1663 | if((err = cpia2_do_command(cam, CPIA2_CMD_SET_VP_EXP_MODES, |
| 1664 | TRANSFER_WRITE, cam_reg))) |
| 1665 | return err; |
| 1666 | |
| 1667 | if((err = cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4, |
| 1668 | TRANSFER_WRITE, 1))) |
| 1669 | return err; |
| 1670 | |
| 1671 | switch(mode) { |
| 1672 | case NEVER_FLICKER: |
| 1673 | cam->params.flicker_control.flicker_mode_req = mode; |
| 1674 | break; |
| 1675 | case FLICKER_60: |
| 1676 | cam->params.flicker_control.flicker_mode_req = mode; |
| 1677 | cam->params.flicker_control.mains_frequency = 60; |
| 1678 | break; |
| 1679 | case FLICKER_50: |
| 1680 | cam->params.flicker_control.flicker_mode_req = mode; |
| 1681 | cam->params.flicker_control.mains_frequency = 50; |
| 1682 | break; |
| 1683 | default: |
| 1684 | err = -EINVAL; |
| 1685 | } |
| 1686 | |
| 1687 | return err; |
| 1688 | } |
| 1689 | |
| 1690 | /****************************************************************************** |
| 1691 | * |
| 1692 | * cpia2_set_property_flip |
| 1693 | * |
| 1694 | *****************************************************************************/ |
| 1695 | void cpia2_set_property_flip(struct camera_data *cam, int prop_val) |
| 1696 | { |
| 1697 | unsigned char cam_reg; |
| 1698 | |
| 1699 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); |
| 1700 | cam_reg = cam->params.vp_params.user_effects; |
| 1701 | |
| 1702 | if (prop_val) |
| 1703 | { |
| 1704 | cam_reg |= CPIA2_VP_USER_EFFECTS_FLIP; |
| 1705 | } |
| 1706 | else |
| 1707 | { |
| 1708 | cam_reg &= ~CPIA2_VP_USER_EFFECTS_FLIP; |
| 1709 | } |
| 1710 | cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE, |
| 1711 | cam_reg); |
| 1712 | } |
| 1713 | |
| 1714 | /****************************************************************************** |
| 1715 | * |
| 1716 | * cpia2_set_property_mirror |
| 1717 | * |
| 1718 | *****************************************************************************/ |
| 1719 | void cpia2_set_property_mirror(struct camera_data *cam, int prop_val) |
| 1720 | { |
| 1721 | unsigned char cam_reg; |
| 1722 | |
| 1723 | cpia2_do_command(cam, CPIA2_CMD_GET_USER_EFFECTS, TRANSFER_READ, 0); |
| 1724 | cam_reg = cam->params.vp_params.user_effects; |
| 1725 | |
| 1726 | if (prop_val) |
| 1727 | { |
| 1728 | cam_reg |= CPIA2_VP_USER_EFFECTS_MIRROR; |
| 1729 | } |
| 1730 | else |
| 1731 | { |
| 1732 | cam_reg &= ~CPIA2_VP_USER_EFFECTS_MIRROR; |
| 1733 | } |
| 1734 | cpia2_do_command(cam, CPIA2_CMD_SET_USER_EFFECTS, TRANSFER_WRITE, |
| 1735 | cam_reg); |
| 1736 | } |
| 1737 | |
| 1738 | /****************************************************************************** |
| 1739 | * |
| 1740 | * set_target_kb |
| 1741 | * |
| 1742 | * The new Target KB is set in cam->params.vc_params.target_kb and |
| 1743 | * activates on reset. |
| 1744 | *****************************************************************************/ |
| 1745 | |
| 1746 | int cpia2_set_target_kb(struct camera_data *cam, unsigned char value) |
| 1747 | { |
| 1748 | DBG("Requested target_kb = %d\n", value); |
| 1749 | if (value != cam->params.vc_params.target_kb) { |
| 1750 | |
| 1751 | cpia2_usb_stream_pause(cam); |
| 1752 | |
| 1753 | /* reset camera for new target_kb */ |
| 1754 | cam->params.vc_params.target_kb = value; |
| 1755 | cpia2_reset_camera(cam); |
| 1756 | |
| 1757 | cpia2_usb_stream_resume(cam); |
| 1758 | } |
| 1759 | |
| 1760 | return 0; |
| 1761 | } |
| 1762 | |
| 1763 | /****************************************************************************** |
| 1764 | * |
| 1765 | * cpia2_set_gpio |
| 1766 | * |
| 1767 | *****************************************************************************/ |
| 1768 | int cpia2_set_gpio(struct camera_data *cam, unsigned char setting) |
| 1769 | { |
| 1770 | int ret; |
| 1771 | |
| 1772 | /* Set the microport direction (register 0x90, should be defined |
| 1773 | * already) to 1 (user output), and set the microport data (0x91) to |
| 1774 | * the value in the ioctl argument. |
| 1775 | */ |
| 1776 | |
| 1777 | ret = cpia2_do_command(cam, |
| 1778 | CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, |
| 1779 | CPIA2_VC_MP_DIR_OUTPUT, |
| 1780 | 255); |
| 1781 | if (ret < 0) |
| 1782 | return ret; |
| 1783 | cam->params.vp_params.gpio_direction = 255; |
| 1784 | |
| 1785 | ret = cpia2_do_command(cam, |
| 1786 | CPIA2_CMD_SET_VC_MP_GPIO_DATA, |
| 1787 | CPIA2_VC_MP_DIR_OUTPUT, |
| 1788 | setting); |
| 1789 | if (ret < 0) |
| 1790 | return ret; |
| 1791 | cam->params.vp_params.gpio_data = setting; |
| 1792 | |
| 1793 | return 0; |
| 1794 | } |
| 1795 | |
| 1796 | /****************************************************************************** |
| 1797 | * |
| 1798 | * cpia2_set_fps |
| 1799 | * |
| 1800 | *****************************************************************************/ |
| 1801 | int cpia2_set_fps(struct camera_data *cam, int framerate) |
| 1802 | { |
| 1803 | int retval; |
| 1804 | |
| 1805 | switch(framerate) { |
| 1806 | case CPIA2_VP_FRAMERATE_30: |
| 1807 | case CPIA2_VP_FRAMERATE_25: |
| 1808 | if(cam->params.pnp_id.device_type == DEVICE_STV_672 && |
| 1809 | cam->params.version.sensor_flags == |
| 1810 | CPIA2_VP_SENSOR_FLAGS_500) { |
| 1811 | return -EINVAL; |
| 1812 | } |
| 1813 | /* Fall through */ |
| 1814 | case CPIA2_VP_FRAMERATE_15: |
| 1815 | case CPIA2_VP_FRAMERATE_12_5: |
| 1816 | case CPIA2_VP_FRAMERATE_7_5: |
| 1817 | case CPIA2_VP_FRAMERATE_6_25: |
| 1818 | break; |
| 1819 | default: |
| 1820 | return -EINVAL; |
| 1821 | } |
| 1822 | |
| 1823 | if (cam->params.pnp_id.device_type == DEVICE_STV_672 && |
| 1824 | framerate == CPIA2_VP_FRAMERATE_15) |
| 1825 | framerate = 0; /* Work around bug in VP4 */ |
| 1826 | |
| 1827 | retval = cpia2_do_command(cam, |
| 1828 | CPIA2_CMD_FRAMERATE_REQ, |
| 1829 | TRANSFER_WRITE, |
| 1830 | framerate); |
| 1831 | |
| 1832 | if(retval == 0) |
| 1833 | cam->params.vp_params.frame_rate = framerate; |
| 1834 | |
| 1835 | return retval; |
| 1836 | } |
| 1837 | |
| 1838 | /****************************************************************************** |
| 1839 | * |
| 1840 | * cpia2_set_brightness |
| 1841 | * |
| 1842 | *****************************************************************************/ |
| 1843 | void cpia2_set_brightness(struct camera_data *cam, unsigned char value) |
| 1844 | { |
| 1845 | /*** |
| 1846 | * Don't let the register be set to zero - bug in VP4 - flash of full |
| 1847 | * brightness |
| 1848 | ***/ |
| 1849 | if (cam->params.pnp_id.device_type == DEVICE_STV_672 && value == 0) |
| 1850 | value++; |
| 1851 | DBG("Setting brightness to %d (0x%0x)\n", value, value); |
| 1852 | cpia2_do_command(cam,CPIA2_CMD_SET_VP_BRIGHTNESS, TRANSFER_WRITE,value); |
| 1853 | } |
| 1854 | |
| 1855 | /****************************************************************************** |
| 1856 | * |
| 1857 | * cpia2_set_contrast |
| 1858 | * |
| 1859 | *****************************************************************************/ |
| 1860 | void cpia2_set_contrast(struct camera_data *cam, unsigned char value) |
| 1861 | { |
| 1862 | DBG("Setting contrast to %d (0x%0x)\n", value, value); |
| 1863 | cam->params.color_params.contrast = value; |
| 1864 | cpia2_do_command(cam, CPIA2_CMD_SET_CONTRAST, TRANSFER_WRITE, value); |
| 1865 | } |
| 1866 | |
| 1867 | /****************************************************************************** |
| 1868 | * |
| 1869 | * cpia2_set_saturation |
| 1870 | * |
| 1871 | *****************************************************************************/ |
| 1872 | void cpia2_set_saturation(struct camera_data *cam, unsigned char value) |
| 1873 | { |
| 1874 | DBG("Setting saturation to %d (0x%0x)\n", value, value); |
| 1875 | cam->params.color_params.saturation = value; |
| 1876 | cpia2_do_command(cam,CPIA2_CMD_SET_VP_SATURATION, TRANSFER_WRITE,value); |
| 1877 | } |
| 1878 | |
| 1879 | /****************************************************************************** |
| 1880 | * |
| 1881 | * wake_system |
| 1882 | * |
| 1883 | *****************************************************************************/ |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 1884 | static void wake_system(struct camera_data *cam) |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 1885 | { |
| 1886 | cpia2_do_command(cam, CPIA2_CMD_SET_WAKEUP, TRANSFER_WRITE, 0); |
| 1887 | } |
| 1888 | |
| 1889 | /****************************************************************************** |
| 1890 | * |
| 1891 | * set_lowlight_boost |
| 1892 | * |
| 1893 | * Valid for STV500 sensor only |
| 1894 | *****************************************************************************/ |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 1895 | static void set_lowlight_boost(struct camera_data *cam) |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 1896 | { |
| 1897 | struct cpia2_command cmd; |
| 1898 | |
| 1899 | if (cam->params.pnp_id.device_type != DEVICE_STV_672 || |
| 1900 | cam->params.version.sensor_flags != CPIA2_VP_SENSOR_FLAGS_500) |
| 1901 | return; |
| 1902 | |
| 1903 | cmd.direction = TRANSFER_WRITE; |
| 1904 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 1905 | cmd.reg_count = 3; |
| 1906 | cmd.start = CPIA2_VP_RAM_ADDR_H; |
| 1907 | |
| 1908 | cmd.buffer.block_data[0] = 0; /* High byte of address to write to */ |
| 1909 | cmd.buffer.block_data[1] = 0x59; /* Low byte of address to write to */ |
| 1910 | cmd.buffer.block_data[2] = 0; /* High byte of data to write */ |
| 1911 | |
| 1912 | cpia2_send_command(cam, &cmd); |
| 1913 | |
| 1914 | if (cam->params.vp_params.lowlight_boost) { |
| 1915 | cmd.buffer.block_data[0] = 0x02; /* Low byte data to write */ |
| 1916 | } else { |
| 1917 | cmd.buffer.block_data[0] = 0x06; |
| 1918 | } |
| 1919 | cmd.start = CPIA2_VP_RAM_DATA; |
| 1920 | cmd.reg_count = 1; |
| 1921 | cpia2_send_command(cam, &cmd); |
| 1922 | |
| 1923 | /* Rehash the VP4 values */ |
| 1924 | cpia2_do_command(cam, CPIA2_CMD_REHASH_VP4, TRANSFER_WRITE, 1); |
| 1925 | } |
| 1926 | |
| 1927 | /****************************************************************************** |
| 1928 | * |
| 1929 | * cpia2_set_format |
| 1930 | * |
| 1931 | * Assumes that new size is already set in param struct. |
| 1932 | *****************************************************************************/ |
| 1933 | void cpia2_set_format(struct camera_data *cam) |
| 1934 | { |
| 1935 | cam->flush = true; |
| 1936 | |
| 1937 | cpia2_usb_stream_pause(cam); |
| 1938 | |
| 1939 | /* reset camera to new size */ |
| 1940 | cpia2_set_low_power(cam); |
| 1941 | cpia2_reset_camera(cam); |
| 1942 | cam->flush = false; |
| 1943 | |
| 1944 | cpia2_dbg_dump_registers(cam); |
| 1945 | |
| 1946 | cpia2_usb_stream_resume(cam); |
| 1947 | } |
| 1948 | |
| 1949 | /****************************************************************************** |
| 1950 | * |
| 1951 | * cpia2_dbg_dump_registers |
| 1952 | * |
| 1953 | *****************************************************************************/ |
| 1954 | void cpia2_dbg_dump_registers(struct camera_data *cam) |
| 1955 | { |
| 1956 | #ifdef _CPIA2_DEBUG_ |
| 1957 | struct cpia2_command cmd; |
| 1958 | |
| 1959 | if (!(debugs_on & DEBUG_DUMP_REGS)) |
| 1960 | return; |
| 1961 | |
| 1962 | cmd.direction = TRANSFER_READ; |
| 1963 | |
| 1964 | /* Start with bank 0 (SYSTEM) */ |
| 1965 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_SYSTEM; |
| 1966 | cmd.reg_count = 3; |
| 1967 | cmd.start = 0; |
| 1968 | cpia2_send_command(cam, &cmd); |
| 1969 | printk(KERN_DEBUG "System Device Hi = 0x%X\n", |
| 1970 | cmd.buffer.block_data[0]); |
| 1971 | printk(KERN_DEBUG "System Device Lo = 0x%X\n", |
| 1972 | cmd.buffer.block_data[1]); |
| 1973 | printk(KERN_DEBUG "System_system control = 0x%X\n", |
| 1974 | cmd.buffer.block_data[2]); |
| 1975 | |
| 1976 | /* Bank 1 (VC) */ |
| 1977 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VC; |
| 1978 | cmd.reg_count = 4; |
| 1979 | cmd.start = 0x80; |
| 1980 | cpia2_send_command(cam, &cmd); |
| 1981 | printk(KERN_DEBUG "ASIC_ID = 0x%X\n", |
| 1982 | cmd.buffer.block_data[0]); |
| 1983 | printk(KERN_DEBUG "ASIC_REV = 0x%X\n", |
| 1984 | cmd.buffer.block_data[1]); |
| 1985 | printk(KERN_DEBUG "PW_CONTRL = 0x%X\n", |
| 1986 | cmd.buffer.block_data[2]); |
| 1987 | printk(KERN_DEBUG "WAKEUP = 0x%X\n", |
| 1988 | cmd.buffer.block_data[3]); |
| 1989 | |
| 1990 | cmd.start = 0xA0; /* ST_CTRL */ |
| 1991 | cmd.reg_count = 1; |
| 1992 | cpia2_send_command(cam, &cmd); |
| 1993 | printk(KERN_DEBUG "Stream ctrl = 0x%X\n", |
| 1994 | cmd.buffer.block_data[0]); |
| 1995 | |
| 1996 | cmd.start = 0xA4; /* Stream status */ |
| 1997 | cpia2_send_command(cam, &cmd); |
| 1998 | printk(KERN_DEBUG "Stream status = 0x%X\n", |
| 1999 | cmd.buffer.block_data[0]); |
| 2000 | |
| 2001 | cmd.start = 0xA8; /* USB status */ |
| 2002 | cmd.reg_count = 3; |
| 2003 | cpia2_send_command(cam, &cmd); |
| 2004 | printk(KERN_DEBUG "USB_CTRL = 0x%X\n", |
| 2005 | cmd.buffer.block_data[0]); |
| 2006 | printk(KERN_DEBUG "USB_STRM = 0x%X\n", |
| 2007 | cmd.buffer.block_data[1]); |
| 2008 | printk(KERN_DEBUG "USB_STATUS = 0x%X\n", |
| 2009 | cmd.buffer.block_data[2]); |
| 2010 | |
| 2011 | cmd.start = 0xAF; /* USB settings */ |
| 2012 | cmd.reg_count = 1; |
| 2013 | cpia2_send_command(cam, &cmd); |
| 2014 | printk(KERN_DEBUG "USB settings = 0x%X\n", |
| 2015 | cmd.buffer.block_data[0]); |
| 2016 | |
| 2017 | cmd.start = 0xC0; /* VC stuff */ |
| 2018 | cmd.reg_count = 26; |
| 2019 | cpia2_send_command(cam, &cmd); |
| 2020 | printk(KERN_DEBUG "VC Control = 0x%0X\n", |
| 2021 | cmd.buffer.block_data[0]); |
| 2022 | printk(KERN_DEBUG "VC Format = 0x%0X\n", |
| 2023 | cmd.buffer.block_data[3]); |
| 2024 | printk(KERN_DEBUG "VC Clocks = 0x%0X\n", |
| 2025 | cmd.buffer.block_data[4]); |
| 2026 | printk(KERN_DEBUG "VC IHSize = 0x%0X\n", |
| 2027 | cmd.buffer.block_data[5]); |
| 2028 | printk(KERN_DEBUG "VC Xlim Hi = 0x%0X\n", |
| 2029 | cmd.buffer.block_data[6]); |
| 2030 | printk(KERN_DEBUG "VC XLim Lo = 0x%0X\n", |
| 2031 | cmd.buffer.block_data[7]); |
| 2032 | printk(KERN_DEBUG "VC YLim Hi = 0x%0X\n", |
| 2033 | cmd.buffer.block_data[8]); |
| 2034 | printk(KERN_DEBUG "VC YLim Lo = 0x%0X\n", |
| 2035 | cmd.buffer.block_data[9]); |
| 2036 | printk(KERN_DEBUG "VC OHSize = 0x%0X\n", |
| 2037 | cmd.buffer.block_data[10]); |
| 2038 | printk(KERN_DEBUG "VC OVSize = 0x%0X\n", |
| 2039 | cmd.buffer.block_data[11]); |
| 2040 | printk(KERN_DEBUG "VC HCrop = 0x%0X\n", |
| 2041 | cmd.buffer.block_data[12]); |
| 2042 | printk(KERN_DEBUG "VC VCrop = 0x%0X\n", |
| 2043 | cmd.buffer.block_data[13]); |
| 2044 | printk(KERN_DEBUG "VC HPhase = 0x%0X\n", |
| 2045 | cmd.buffer.block_data[14]); |
| 2046 | printk(KERN_DEBUG "VC VPhase = 0x%0X\n", |
| 2047 | cmd.buffer.block_data[15]); |
| 2048 | printk(KERN_DEBUG "VC HIspan = 0x%0X\n", |
| 2049 | cmd.buffer.block_data[16]); |
| 2050 | printk(KERN_DEBUG "VC VIspan = 0x%0X\n", |
| 2051 | cmd.buffer.block_data[17]); |
| 2052 | printk(KERN_DEBUG "VC HiCrop = 0x%0X\n", |
| 2053 | cmd.buffer.block_data[18]); |
| 2054 | printk(KERN_DEBUG "VC ViCrop = 0x%0X\n", |
| 2055 | cmd.buffer.block_data[19]); |
| 2056 | printk(KERN_DEBUG "VC HiFract = 0x%0X\n", |
| 2057 | cmd.buffer.block_data[20]); |
| 2058 | printk(KERN_DEBUG "VC ViFract = 0x%0X\n", |
| 2059 | cmd.buffer.block_data[21]); |
| 2060 | printk(KERN_DEBUG "VC JPeg Opt = 0x%0X\n", |
| 2061 | cmd.buffer.block_data[22]); |
| 2062 | printk(KERN_DEBUG "VC Creep Per = 0x%0X\n", |
| 2063 | cmd.buffer.block_data[23]); |
| 2064 | printk(KERN_DEBUG "VC User Sq. = 0x%0X\n", |
| 2065 | cmd.buffer.block_data[24]); |
| 2066 | printk(KERN_DEBUG "VC Target KB = 0x%0X\n", |
| 2067 | cmd.buffer.block_data[25]); |
| 2068 | |
| 2069 | /*** VP ***/ |
| 2070 | cmd.req_mode = CAMERAACCESS_TYPE_BLOCK | CAMERAACCESS_VP; |
| 2071 | cmd.reg_count = 14; |
| 2072 | cmd.start = 0; |
| 2073 | cpia2_send_command(cam, &cmd); |
| 2074 | |
| 2075 | printk(KERN_DEBUG "VP Dev Hi = 0x%0X\n", |
| 2076 | cmd.buffer.block_data[0]); |
| 2077 | printk(KERN_DEBUG "VP Dev Lo = 0x%0X\n", |
| 2078 | cmd.buffer.block_data[1]); |
| 2079 | printk(KERN_DEBUG "VP Sys State = 0x%0X\n", |
| 2080 | cmd.buffer.block_data[2]); |
| 2081 | printk(KERN_DEBUG "VP Sys Ctrl = 0x%0X\n", |
| 2082 | cmd.buffer.block_data[3]); |
| 2083 | printk(KERN_DEBUG "VP Sensor flg = 0x%0X\n", |
| 2084 | cmd.buffer.block_data[5]); |
| 2085 | printk(KERN_DEBUG "VP Sensor Rev = 0x%0X\n", |
| 2086 | cmd.buffer.block_data[6]); |
| 2087 | printk(KERN_DEBUG "VP Dev Config = 0x%0X\n", |
| 2088 | cmd.buffer.block_data[7]); |
| 2089 | printk(KERN_DEBUG "VP GPIO_DIR = 0x%0X\n", |
| 2090 | cmd.buffer.block_data[8]); |
| 2091 | printk(KERN_DEBUG "VP GPIO_DATA = 0x%0X\n", |
| 2092 | cmd.buffer.block_data[9]); |
| 2093 | printk(KERN_DEBUG "VP Ram ADDR H = 0x%0X\n", |
| 2094 | cmd.buffer.block_data[10]); |
| 2095 | printk(KERN_DEBUG "VP Ram ADDR L = 0x%0X\n", |
| 2096 | cmd.buffer.block_data[11]); |
| 2097 | printk(KERN_DEBUG "VP RAM Data = 0x%0X\n", |
| 2098 | cmd.buffer.block_data[12]); |
| 2099 | printk(KERN_DEBUG "Do Call = 0x%0X\n", |
| 2100 | cmd.buffer.block_data[13]); |
| 2101 | |
| 2102 | if (cam->params.pnp_id.device_type == DEVICE_STV_672) { |
| 2103 | cmd.reg_count = 9; |
| 2104 | cmd.start = 0x0E; |
| 2105 | cpia2_send_command(cam, &cmd); |
| 2106 | printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n", |
| 2107 | cmd.buffer.block_data[0]); |
| 2108 | printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n", |
| 2109 | cmd.buffer.block_data[1]); |
| 2110 | printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n", |
| 2111 | cmd.buffer.block_data[2]); |
| 2112 | printk(KERN_DEBUG "VP Framerate = 0x%0X\n", |
| 2113 | cmd.buffer.block_data[3]); |
| 2114 | printk(KERN_DEBUG "VP UserEffect = 0x%0X\n", |
| 2115 | cmd.buffer.block_data[4]); |
| 2116 | printk(KERN_DEBUG "VP White Bal = 0x%0X\n", |
| 2117 | cmd.buffer.block_data[5]); |
| 2118 | printk(KERN_DEBUG "VP WB thresh = 0x%0X\n", |
| 2119 | cmd.buffer.block_data[6]); |
| 2120 | printk(KERN_DEBUG "VP Exp Modes = 0x%0X\n", |
| 2121 | cmd.buffer.block_data[7]); |
| 2122 | printk(KERN_DEBUG "VP Exp Target = 0x%0X\n", |
| 2123 | cmd.buffer.block_data[8]); |
| 2124 | |
| 2125 | cmd.reg_count = 1; |
| 2126 | cmd.start = 0x1B; |
| 2127 | cpia2_send_command(cam, &cmd); |
| 2128 | printk(KERN_DEBUG "VP FlickerMds = 0x%0X\n", |
| 2129 | cmd.buffer.block_data[0]); |
| 2130 | } else { |
| 2131 | cmd.reg_count = 8 ; |
| 2132 | cmd.start = 0x0E; |
| 2133 | cpia2_send_command(cam, &cmd); |
| 2134 | printk(KERN_DEBUG "VP Clock Ctrl = 0x%0X\n", |
| 2135 | cmd.buffer.block_data[0]); |
| 2136 | printk(KERN_DEBUG "VP Patch Rev = 0x%0X\n", |
| 2137 | cmd.buffer.block_data[1]); |
| 2138 | printk(KERN_DEBUG "VP Vid Mode = 0x%0X\n", |
| 2139 | cmd.buffer.block_data[5]); |
| 2140 | printk(KERN_DEBUG "VP Framerate = 0x%0X\n", |
| 2141 | cmd.buffer.block_data[6]); |
| 2142 | printk(KERN_DEBUG "VP UserEffect = 0x%0X\n", |
| 2143 | cmd.buffer.block_data[7]); |
| 2144 | |
| 2145 | cmd.reg_count = 1; |
| 2146 | cmd.start = CPIA2_VP5_EXPOSURE_TARGET; |
| 2147 | cpia2_send_command(cam, &cmd); |
| 2148 | printk(KERN_DEBUG "VP5 Exp Target= 0x%0X\n", |
| 2149 | cmd.buffer.block_data[0]); |
| 2150 | |
| 2151 | cmd.reg_count = 4; |
| 2152 | cmd.start = 0x3A; |
| 2153 | cpia2_send_command(cam, &cmd); |
| 2154 | printk(KERN_DEBUG "VP5 MY Black = 0x%0X\n", |
| 2155 | cmd.buffer.block_data[0]); |
| 2156 | printk(KERN_DEBUG "VP5 MCY Range = 0x%0X\n", |
| 2157 | cmd.buffer.block_data[1]); |
| 2158 | printk(KERN_DEBUG "VP5 MYCEILING = 0x%0X\n", |
| 2159 | cmd.buffer.block_data[2]); |
| 2160 | printk(KERN_DEBUG "VP5 MCUV Sat = 0x%0X\n", |
| 2161 | cmd.buffer.block_data[3]); |
| 2162 | } |
| 2163 | #endif |
| 2164 | } |
| 2165 | |
| 2166 | /****************************************************************************** |
| 2167 | * |
| 2168 | * reset_camera_struct |
| 2169 | * |
| 2170 | * Sets all values to the defaults |
| 2171 | *****************************************************************************/ |
Hans Verkuil | d45b9b8 | 2008-09-04 03:33:43 -0300 | [diff] [blame] | 2172 | static void reset_camera_struct(struct camera_data *cam) |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2173 | { |
| 2174 | /*** |
| 2175 | * The following parameter values are the defaults from the register map. |
| 2176 | ***/ |
| 2177 | cam->params.color_params.brightness = DEFAULT_BRIGHTNESS; |
| 2178 | cam->params.color_params.contrast = DEFAULT_CONTRAST; |
| 2179 | cam->params.color_params.saturation = DEFAULT_SATURATION; |
| 2180 | cam->params.vp_params.lowlight_boost = 0; |
| 2181 | |
| 2182 | /* FlickerModes */ |
| 2183 | cam->params.flicker_control.flicker_mode_req = NEVER_FLICKER; |
| 2184 | cam->params.flicker_control.mains_frequency = 60; |
| 2185 | |
| 2186 | /* jpeg params */ |
| 2187 | cam->params.compression.jpeg_options = CPIA2_VC_VC_JPEG_OPT_DEFAULT; |
| 2188 | cam->params.compression.creep_period = 2; |
| 2189 | cam->params.compression.user_squeeze = 20; |
| 2190 | cam->params.compression.inhibit_htables = false; |
| 2191 | |
| 2192 | /* gpio params */ |
| 2193 | cam->params.vp_params.gpio_direction = 0; /* write, the default safe mode */ |
| 2194 | cam->params.vp_params.gpio_data = 0; |
| 2195 | |
| 2196 | /* Target kb params */ |
| 2197 | cam->params.vc_params.target_kb = DEFAULT_TARGET_KB; |
| 2198 | |
| 2199 | /*** |
| 2200 | * Set Sensor FPS as fast as possible. |
| 2201 | ***/ |
| 2202 | if(cam->params.pnp_id.device_type == DEVICE_STV_672) { |
| 2203 | if(cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500) |
| 2204 | cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_15; |
| 2205 | else |
| 2206 | cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30; |
| 2207 | } else { |
| 2208 | cam->params.vp_params.frame_rate = CPIA2_VP_FRAMERATE_30; |
| 2209 | } |
| 2210 | |
| 2211 | /*** |
| 2212 | * Set default video mode as large as possible : |
| 2213 | * for vga sensor set to vga, for cif sensor set to CIF. |
| 2214 | ***/ |
| 2215 | if (cam->params.version.sensor_flags == CPIA2_VP_SENSOR_FLAGS_500) { |
| 2216 | cam->sensor_type = CPIA2_SENSOR_500; |
| 2217 | cam->video_size = VIDEOSIZE_VGA; |
| 2218 | cam->params.roi.width = STV_IMAGE_VGA_COLS; |
| 2219 | cam->params.roi.height = STV_IMAGE_VGA_ROWS; |
| 2220 | } else { |
| 2221 | cam->sensor_type = CPIA2_SENSOR_410; |
| 2222 | cam->video_size = VIDEOSIZE_CIF; |
| 2223 | cam->params.roi.width = STV_IMAGE_CIF_COLS; |
| 2224 | cam->params.roi.height = STV_IMAGE_CIF_ROWS; |
| 2225 | } |
| 2226 | |
| 2227 | /*** |
| 2228 | * Fill in the v4l structures. video_cap is filled in inside the VIDIOCCAP |
| 2229 | * Ioctl. Here, just do the window and picture stucts. |
| 2230 | ***/ |
| 2231 | cam->vp.palette = (u16) VIDEO_PALETTE_RGB24; /* Is this right? */ |
| 2232 | cam->vp.brightness = (u16) cam->params.color_params.brightness * 256; |
| 2233 | cam->vp.colour = (u16) cam->params.color_params.saturation * 256; |
| 2234 | cam->vp.contrast = (u16) cam->params.color_params.contrast * 256; |
| 2235 | |
| 2236 | cam->vw.x = 0; |
| 2237 | cam->vw.y = 0; |
| 2238 | cam->vw.width = cam->params.roi.width; |
| 2239 | cam->vw.height = cam->params.roi.height; |
| 2240 | cam->vw.flags = 0; |
| 2241 | cam->vw.clipcount = 0; |
| 2242 | |
| 2243 | return; |
| 2244 | } |
| 2245 | |
| 2246 | /****************************************************************************** |
| 2247 | * |
| 2248 | * cpia2_init_camera_struct |
| 2249 | * |
| 2250 | * Initializes camera struct, does not call reset to fill in defaults. |
| 2251 | *****************************************************************************/ |
| 2252 | struct camera_data *cpia2_init_camera_struct(void) |
| 2253 | { |
| 2254 | struct camera_data *cam; |
| 2255 | |
Yoann Padioleau | dd00cc4 | 2007-07-19 01:49:03 -0700 | [diff] [blame] | 2256 | cam = kzalloc(sizeof(*cam), GFP_KERNEL); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2257 | |
| 2258 | if (!cam) { |
| 2259 | ERR("couldn't kmalloc cpia2 struct\n"); |
| 2260 | return NULL; |
| 2261 | } |
| 2262 | |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2263 | |
| 2264 | cam->present = 1; |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2265 | mutex_init(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2266 | init_waitqueue_head(&cam->wq_stream); |
| 2267 | |
| 2268 | return cam; |
| 2269 | } |
| 2270 | |
| 2271 | /****************************************************************************** |
| 2272 | * |
| 2273 | * cpia2_init_camera |
| 2274 | * |
| 2275 | * Initializes camera. |
| 2276 | *****************************************************************************/ |
| 2277 | int cpia2_init_camera(struct camera_data *cam) |
| 2278 | { |
| 2279 | DBG("Start\n"); |
| 2280 | |
| 2281 | cam->mmapped = false; |
| 2282 | |
| 2283 | /* Get sensor and asic types before reset. */ |
| 2284 | cpia2_set_high_power(cam); |
| 2285 | cpia2_get_version_info(cam); |
| 2286 | if (cam->params.version.asic_id != CPIA2_ASIC_672) { |
| 2287 | ERR("Device IO error (asicID has incorrect value of 0x%X\n", |
| 2288 | cam->params.version.asic_id); |
| 2289 | return -ENODEV; |
| 2290 | } |
| 2291 | |
| 2292 | /* Set GPIO direction and data to a safe state. */ |
| 2293 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, |
| 2294 | TRANSFER_WRITE, 0); |
| 2295 | cpia2_do_command(cam, CPIA2_CMD_SET_VC_MP_GPIO_DATA, |
| 2296 | TRANSFER_WRITE, 0); |
| 2297 | |
| 2298 | /* resetting struct requires version info for sensor and asic types */ |
| 2299 | reset_camera_struct(cam); |
| 2300 | |
| 2301 | cpia2_set_low_power(cam); |
| 2302 | |
| 2303 | DBG("End\n"); |
| 2304 | |
| 2305 | return 0; |
| 2306 | } |
| 2307 | |
| 2308 | /****************************************************************************** |
| 2309 | * |
| 2310 | * cpia2_allocate_buffers |
| 2311 | * |
| 2312 | *****************************************************************************/ |
| 2313 | int cpia2_allocate_buffers(struct camera_data *cam) |
| 2314 | { |
| 2315 | int i; |
| 2316 | |
| 2317 | if(!cam->buffers) { |
| 2318 | u32 size = cam->num_frames*sizeof(struct framebuf); |
| 2319 | cam->buffers = kmalloc(size, GFP_KERNEL); |
| 2320 | if(!cam->buffers) { |
| 2321 | ERR("couldn't kmalloc frame buffer structures\n"); |
| 2322 | return -ENOMEM; |
| 2323 | } |
| 2324 | } |
| 2325 | |
| 2326 | if(!cam->frame_buffer) { |
| 2327 | cam->frame_buffer = rvmalloc(cam->frame_size*cam->num_frames); |
| 2328 | if (!cam->frame_buffer) { |
| 2329 | ERR("couldn't vmalloc frame buffer data area\n"); |
| 2330 | kfree(cam->buffers); |
| 2331 | cam->buffers = NULL; |
| 2332 | return -ENOMEM; |
| 2333 | } |
| 2334 | } |
| 2335 | |
| 2336 | for(i=0; i<cam->num_frames-1; ++i) { |
| 2337 | cam->buffers[i].next = &cam->buffers[i+1]; |
| 2338 | cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size; |
| 2339 | cam->buffers[i].status = FRAME_EMPTY; |
| 2340 | cam->buffers[i].length = 0; |
| 2341 | cam->buffers[i].max_length = 0; |
| 2342 | cam->buffers[i].num = i; |
| 2343 | } |
| 2344 | cam->buffers[i].next = cam->buffers; |
| 2345 | cam->buffers[i].data = cam->frame_buffer +i*cam->frame_size; |
| 2346 | cam->buffers[i].status = FRAME_EMPTY; |
| 2347 | cam->buffers[i].length = 0; |
| 2348 | cam->buffers[i].max_length = 0; |
| 2349 | cam->buffers[i].num = i; |
| 2350 | cam->curbuff = cam->buffers; |
| 2351 | cam->workbuff = cam->curbuff->next; |
| 2352 | DBG("buffers=%p, curbuff=%p, workbuff=%p\n", cam->buffers, cam->curbuff, |
| 2353 | cam->workbuff); |
| 2354 | return 0; |
| 2355 | } |
| 2356 | |
| 2357 | /****************************************************************************** |
| 2358 | * |
| 2359 | * cpia2_free_buffers |
| 2360 | * |
| 2361 | *****************************************************************************/ |
| 2362 | void cpia2_free_buffers(struct camera_data *cam) |
| 2363 | { |
| 2364 | if(cam->buffers) { |
| 2365 | kfree(cam->buffers); |
| 2366 | cam->buffers = NULL; |
| 2367 | } |
| 2368 | if(cam->frame_buffer) { |
| 2369 | rvfree(cam->frame_buffer, cam->frame_size*cam->num_frames); |
| 2370 | cam->frame_buffer = NULL; |
| 2371 | } |
| 2372 | } |
| 2373 | |
| 2374 | /****************************************************************************** |
| 2375 | * |
| 2376 | * cpia2_read |
| 2377 | * |
| 2378 | *****************************************************************************/ |
| 2379 | long cpia2_read(struct camera_data *cam, |
| 2380 | char __user *buf, unsigned long count, int noblock) |
| 2381 | { |
| 2382 | struct framebuf *frame; |
| 2383 | if (!count) { |
| 2384 | return 0; |
| 2385 | } |
| 2386 | |
| 2387 | if (!buf) { |
Harvey Harrison | 94205c7 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 2388 | ERR("%s: buffer NULL\n",__func__); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2389 | return -EINVAL; |
| 2390 | } |
| 2391 | |
| 2392 | if (!cam) { |
Harvey Harrison | 94205c7 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 2393 | ERR("%s: Internal error, camera_data NULL!\n",__func__); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2394 | return -EINVAL; |
| 2395 | } |
| 2396 | |
| 2397 | /* make this _really_ smp and multithread-safe */ |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2398 | if (mutex_lock_interruptible(&cam->busy_lock)) |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2399 | return -ERESTARTSYS; |
| 2400 | |
| 2401 | if (!cam->present) { |
Harvey Harrison | 94205c7 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 2402 | LOG("%s: camera removed\n",__func__); |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2403 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2404 | return 0; /* EOF */ |
| 2405 | } |
| 2406 | |
| 2407 | if(!cam->streaming) { |
| 2408 | /* Start streaming */ |
| 2409 | cpia2_usb_stream_start(cam, |
| 2410 | cam->params.camera_state.stream_mode); |
| 2411 | } |
| 2412 | |
| 2413 | /* Copy cam->curbuff in case it changes while we're processing */ |
| 2414 | frame = cam->curbuff; |
| 2415 | if (noblock && frame->status != FRAME_READY) { |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2416 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2417 | return -EAGAIN; |
| 2418 | } |
| 2419 | |
| 2420 | if(frame->status != FRAME_READY) { |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2421 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2422 | wait_event_interruptible(cam->wq_stream, |
| 2423 | !cam->present || |
| 2424 | (frame = cam->curbuff)->status == FRAME_READY); |
| 2425 | if (signal_pending(current)) |
| 2426 | return -ERESTARTSYS; |
| 2427 | /* make this _really_ smp and multithread-safe */ |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2428 | if (mutex_lock_interruptible(&cam->busy_lock)) { |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2429 | return -ERESTARTSYS; |
| 2430 | } |
| 2431 | if(!cam->present) { |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2432 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2433 | return 0; |
| 2434 | } |
| 2435 | } |
| 2436 | |
| 2437 | /* copy data to user space */ |
| 2438 | if (frame->length > count) { |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2439 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2440 | return -EFAULT; |
| 2441 | } |
| 2442 | if (copy_to_user(buf, frame->data, frame->length)) { |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2443 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2444 | return -EFAULT; |
| 2445 | } |
| 2446 | |
| 2447 | count = frame->length; |
| 2448 | |
| 2449 | frame->status = FRAME_EMPTY; |
| 2450 | |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2451 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2452 | return count; |
| 2453 | } |
| 2454 | |
| 2455 | /****************************************************************************** |
| 2456 | * |
| 2457 | * cpia2_poll |
| 2458 | * |
| 2459 | *****************************************************************************/ |
| 2460 | unsigned int cpia2_poll(struct camera_data *cam, struct file *filp, |
| 2461 | poll_table *wait) |
| 2462 | { |
| 2463 | unsigned int status=0; |
| 2464 | |
| 2465 | if(!cam) { |
Harvey Harrison | 94205c7 | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 2466 | ERR("%s: Internal error, camera_data not found!\n",__func__); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2467 | return POLLERR; |
| 2468 | } |
| 2469 | |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2470 | mutex_lock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2471 | |
| 2472 | if(!cam->present) { |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2473 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2474 | return POLLHUP; |
| 2475 | } |
| 2476 | |
| 2477 | if(!cam->streaming) { |
| 2478 | /* Start streaming */ |
| 2479 | cpia2_usb_stream_start(cam, |
| 2480 | cam->params.camera_state.stream_mode); |
| 2481 | } |
| 2482 | |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2483 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2484 | poll_wait(filp, &cam->wq_stream, wait); |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2485 | mutex_lock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2486 | |
| 2487 | if(!cam->present) |
| 2488 | status = POLLHUP; |
| 2489 | else if(cam->curbuff->status == FRAME_READY) |
| 2490 | status = POLLIN | POLLRDNORM; |
| 2491 | |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2492 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2493 | return status; |
| 2494 | } |
| 2495 | |
| 2496 | /****************************************************************************** |
| 2497 | * |
| 2498 | * cpia2_remap_buffer |
| 2499 | * |
| 2500 | *****************************************************************************/ |
| 2501 | int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma) |
| 2502 | { |
| 2503 | const char *adr = (const char *)vma->vm_start; |
| 2504 | unsigned long size = vma->vm_end-vma->vm_start; |
| 2505 | unsigned long start_offset = vma->vm_pgoff << PAGE_SHIFT; |
| 2506 | unsigned long start = (unsigned long) adr; |
| 2507 | unsigned long page, pos; |
| 2508 | |
| 2509 | if (!cam) |
| 2510 | return -ENODEV; |
| 2511 | |
| 2512 | DBG("mmap offset:%ld size:%ld\n", start_offset, size); |
| 2513 | |
| 2514 | /* make this _really_ smp-safe */ |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2515 | if (mutex_lock_interruptible(&cam->busy_lock)) |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2516 | return -ERESTARTSYS; |
| 2517 | |
| 2518 | if (!cam->present) { |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2519 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2520 | return -ENODEV; |
| 2521 | } |
| 2522 | |
| 2523 | if (size > cam->frame_size*cam->num_frames || |
| 2524 | (start_offset % cam->frame_size) != 0 || |
| 2525 | (start_offset+size > cam->frame_size*cam->num_frames)) { |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2526 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2527 | return -EINVAL; |
| 2528 | } |
| 2529 | |
| 2530 | pos = ((unsigned long) (cam->frame_buffer)) + start_offset; |
| 2531 | while (size > 0) { |
| 2532 | page = kvirt_to_pa(pos); |
| 2533 | if (remap_pfn_range(vma, start, page >> PAGE_SHIFT, PAGE_SIZE, PAGE_SHARED)) { |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2534 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2535 | return -EAGAIN; |
| 2536 | } |
| 2537 | start += PAGE_SIZE; |
| 2538 | pos += PAGE_SIZE; |
| 2539 | if (size > PAGE_SIZE) |
| 2540 | size -= PAGE_SIZE; |
| 2541 | else |
| 2542 | size = 0; |
| 2543 | } |
| 2544 | |
| 2545 | cam->mmapped = true; |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 2546 | mutex_unlock(&cam->busy_lock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 2547 | return 0; |
| 2548 | } |
| 2549 | |