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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 | /**************************************************************************** * * Filename: cpia2.h * * Copyright 2001, STMicrolectronics, Inc. * * Contact: steve.miller@st.com * * Description: * This is a USB driver for CPiA2 based video cameras. * * This driver is modelled on the cpia usb driver by * Jochen Scharrlach and Johannes Erdfeldt. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * ****************************************************************************/ #ifndef __CPIA2_H__ #define __CPIA2_H__ #include <linux/version.h> #include <linux/videodev.h> #include <linux/usb.h> #include <linux/poll.h> #include "cpia2dev.h" #include "cpia2_registers.h" /* define for verbose debug output */ //#define _CPIA2_DEBUG_ #define CPIA2_MAJ_VER 2 #define CPIA2_MIN_VER 0 #define CPIA2_PATCH_VER 0 /*** * Image defines ***/ #ifndef true #define true 1 #define false 0 #endif /* Misc constants */ #define ALLOW_CORRUPT 0 /* Causes collater to discard checksum */ /* USB Transfer mode */ #define XFER_ISOC 0 #define XFER_BULK 1 /* USB Alternates */ #define USBIF_CMDONLY 0 #define USBIF_BULK 1 #define USBIF_ISO_1 2 /* 128 bytes/ms */ #define USBIF_ISO_2 3 /* 384 bytes/ms */ #define USBIF_ISO_3 4 /* 640 bytes/ms */ #define USBIF_ISO_4 5 /* 768 bytes/ms */ #define USBIF_ISO_5 6 /* 896 bytes/ms */ #define USBIF_ISO_6 7 /* 1023 bytes/ms */ /* Flicker Modes */ #define NEVER_FLICKER 0 #define ANTI_FLICKER_ON 1 #define FLICKER_60 60 #define FLICKER_50 50 /* Debug flags */ #define DEBUG_NONE 0 #define DEBUG_REG 0x00000001 #define DEBUG_DUMP_PATCH 0x00000002 #define DEBUG_DUMP_REGS 0x00000004 /*** * Video frame sizes ***/ enum { VIDEOSIZE_VGA = 0, /* 640x480 */ VIDEOSIZE_CIF, /* 352x288 */ VIDEOSIZE_QVGA, /* 320x240 */ VIDEOSIZE_QCIF, /* 176x144 */ VIDEOSIZE_288_216, VIDEOSIZE_256_192, VIDEOSIZE_224_168, VIDEOSIZE_192_144, }; #define STV_IMAGE_CIF_ROWS 288 #define STV_IMAGE_CIF_COLS 352 #define STV_IMAGE_QCIF_ROWS 144 #define STV_IMAGE_QCIF_COLS 176 #define STV_IMAGE_VGA_ROWS 480 #define STV_IMAGE_VGA_COLS 640 #define STV_IMAGE_QVGA_ROWS 240 #define STV_IMAGE_QVGA_COLS 320 #define JPEG_MARKER_COM (1<<6) /* Comment segment */ /*** * Enums ***/ /* Sensor types available with cpia2 asics */ enum sensors { CPIA2_SENSOR_410, CPIA2_SENSOR_500 }; /* Asic types available in the CPiA2 architecture */ #define CPIA2_ASIC_672 0x67 /* Device types (stv672, stv676, etc) */ #define DEVICE_STV_672 0x0001 #define DEVICE_STV_676 0x0002 enum frame_status { FRAME_EMPTY, FRAME_READING, /* In the process of being grabbed into */ FRAME_READY, /* Ready to be read */ FRAME_ERROR, }; /*** * Register access (for USB request byte) ***/ enum { CAMERAACCESS_SYSTEM = 0, CAMERAACCESS_VC, CAMERAACCESS_VP, CAMERAACCESS_IDATA }; #define CAMERAACCESS_TYPE_BLOCK 0x00 #define CAMERAACCESS_TYPE_RANDOM 0x04 #define CAMERAACCESS_TYPE_MASK 0x08 #define CAMERAACCESS_TYPE_REPEAT 0x0C #define TRANSFER_READ 0 #define TRANSFER_WRITE 1 #define DEFAULT_ALT USBIF_ISO_6 #define DEFAULT_BRIGHTNESS 0x46 #define DEFAULT_CONTRAST 0x93 #define DEFAULT_SATURATION 0x7f #define DEFAULT_TARGET_KB 0x30 /* Power state */ #define HI_POWER_MODE CPIA2_SYSTEM_CONTROL_HIGH_POWER #define LO_POWER_MODE CPIA2_SYSTEM_CONTROL_LOW_POWER /******** * Commands *******/ enum { CPIA2_CMD_NONE = 0, CPIA2_CMD_GET_VERSION, CPIA2_CMD_GET_PNP_ID, CPIA2_CMD_GET_ASIC_TYPE, CPIA2_CMD_GET_SENSOR, CPIA2_CMD_GET_VP_DEVICE, CPIA2_CMD_GET_VP_BRIGHTNESS, CPIA2_CMD_SET_VP_BRIGHTNESS, CPIA2_CMD_GET_CONTRAST, CPIA2_CMD_SET_CONTRAST, CPIA2_CMD_GET_VP_SATURATION, CPIA2_CMD_SET_VP_SATURATION, CPIA2_CMD_GET_VP_GPIO_DIRECTION, CPIA2_CMD_SET_VP_GPIO_DIRECTION, CPIA2_CMD_GET_VP_GPIO_DATA, CPIA2_CMD_SET_VP_GPIO_DATA, CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION, CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, CPIA2_CMD_GET_VC_MP_GPIO_DATA, CPIA2_CMD_SET_VC_MP_GPIO_DATA, CPIA2_CMD_ENABLE_PACKET_CTRL, CPIA2_CMD_GET_FLICKER_MODES, CPIA2_CMD_SET_FLICKER_MODES, CPIA2_CMD_RESET_FIFO, /* clear fifo and enable stream block */ CPIA2_CMD_SET_HI_POWER, CPIA2_CMD_SET_LOW_POWER, CPIA2_CMD_CLEAR_V2W_ERR, CPIA2_CMD_SET_USER_MODE, CPIA2_CMD_GET_USER_MODE, CPIA2_CMD_FRAMERATE_REQ, CPIA2_CMD_SET_COMPRESSION_STATE, CPIA2_CMD_GET_WAKEUP, CPIA2_CMD_SET_WAKEUP, CPIA2_CMD_GET_PW_CONTROL, CPIA2_CMD_SET_PW_CONTROL, CPIA2_CMD_GET_SYSTEM_CTRL, CPIA2_CMD_SET_SYSTEM_CTRL, CPIA2_CMD_GET_VP_SYSTEM_STATE, CPIA2_CMD_GET_VP_SYSTEM_CTRL, CPIA2_CMD_SET_VP_SYSTEM_CTRL, CPIA2_CMD_GET_VP_EXP_MODES, CPIA2_CMD_SET_VP_EXP_MODES, CPIA2_CMD_GET_DEVICE_CONFIG, CPIA2_CMD_SET_DEVICE_CONFIG, CPIA2_CMD_SET_SERIAL_ADDR, CPIA2_CMD_SET_SENSOR_CR1, CPIA2_CMD_GET_VC_CONTROL, CPIA2_CMD_SET_VC_CONTROL, CPIA2_CMD_SET_TARGET_KB, CPIA2_CMD_SET_DEF_JPEG_OPT, CPIA2_CMD_REHASH_VP4, CPIA2_CMD_GET_USER_EFFECTS, CPIA2_CMD_SET_USER_EFFECTS }; enum user_cmd { COMMAND_NONE = 0x00000001, COMMAND_SET_FPS = 0x00000002, COMMAND_SET_COLOR_PARAMS = 0x00000004, COMMAND_GET_COLOR_PARAMS = 0x00000008, COMMAND_SET_FORMAT = 0x00000010, /* size, etc */ COMMAND_SET_FLICKER = 0x00000020 }; /*** * Some defines specific to the 676 chip ***/ #define CAMACC_CIF 0x01 #define CAMACC_VGA 0x02 #define CAMACC_QCIF 0x04 #define CAMACC_QVGA 0x08 struct cpia2_register { u8 index; u8 value; }; struct cpia2_reg_mask { u8 index; u8 and_mask; u8 or_mask; u8 fill; }; struct cpia2_command { u32 command; u8 req_mode; /* (Block or random) | registerBank */ u8 reg_count; u8 direction; u8 start; union reg_types { struct cpia2_register registers[32]; struct cpia2_reg_mask masks[16]; u8 block_data[64]; u8 *patch_data; /* points to function defined block */ } buffer; }; struct camera_params { struct { u8 firmware_revision_hi; /* For system register set (bank 0) */ u8 firmware_revision_lo; u8 asic_id; /* Video Compressor set (bank 1) */ u8 asic_rev; u8 vp_device_hi; /* Video Processor set (bank 2) */ u8 vp_device_lo; u8 sensor_flags; u8 sensor_rev; } version; struct { u32 device_type; /* enumerated from vendor/product ids. * Currently, either STV_672 or STV_676 */ u16 vendor; u16 product; u16 device_revision; } pnp_id; struct { u8 brightness; /* CPIA2_VP_EXPOSURE_TARGET */ u8 contrast; /* Note: this is CPIA2_VP_YRANGE */ u8 saturation; /* CPIA2_VP_SATURATION */ } color_params; struct { u8 cam_register; u8 flicker_mode_req; /* 1 if flicker on, else never flicker */ int mains_frequency; } flicker_control; struct { u8 jpeg_options; u8 creep_period; u8 user_squeeze; u8 inhibit_htables; } compression; struct { u8 ohsize; /* output image size */ u8 ovsize; u8 hcrop; /* cropping start_pos/4 */ u8 vcrop; u8 hphase; /* scaling registers */ u8 vphase; u8 hispan; u8 vispan; u8 hicrop; u8 vicrop; u8 hifraction; u8 vifraction; } image_size; struct { int width; /* actual window width */ int height; /* actual window height */ } roi; struct { u8 video_mode; u8 frame_rate; u8 video_size; /* Not a register, just a convenience for cropped sizes */ u8 gpio_direction; u8 gpio_data; u8 system_ctrl; u8 system_state; u8 lowlight_boost; /* Bool: 0 = off, 1 = on */ u8 device_config; u8 exposure_modes; u8 user_effects; } vp_params; struct { u8 pw_control; u8 wakeup; u8 vc_control; u8 vc_mp_direction; u8 vc_mp_data; u8 target_kb; } vc_params; struct { u8 power_mode; u8 system_ctrl; u8 stream_mode; /* This is the current alternate for usb drivers */ u8 allow_corrupt; } camera_state; }; #define NUM_SBUF 2 struct cpia2_sbuf { char *data; struct urb *urb; }; struct framebuf { struct timeval timestamp; unsigned long seq; int num; int length; int max_length; volatile enum frame_status status; u8 *data; struct framebuf *next; }; struct cpia2_fh { enum v4l2_priority prio; u8 mmapped; }; struct camera_data { /* locks */ struct mutex busy_lock; /* guard against SMP multithreading */ struct v4l2_prio_state prio; /* camera status */ volatile int present; /* Is the camera still present? */ int open_count; /* # of process that have camera open */ int first_image_seen; u8 mains_freq; /* for flicker control */ enum sensors sensor_type; u8 flush; u8 mmapped; int streaming; /* 0 = no, 1 = yes */ int xfer_mode; /* XFER_BULK or XFER_ISOC */ struct camera_params params; /* camera settings */ /* v4l */ int video_size; /* VIDEO_SIZE_ */ struct video_device *vdev; /* v4l videodev */ struct video_picture vp; /* v4l camera settings */ struct video_window vw; /* v4l capture area */ __u32 pixelformat; /* Format fourcc */ /* USB */ struct usb_device *dev; unsigned char iface; unsigned int cur_alt; unsigned int old_alt; struct cpia2_sbuf sbuf[NUM_SBUF]; /* Double buffering */ wait_queue_head_t wq_stream; /* Buffering */ u32 frame_size; int num_frames; unsigned long frame_count; u8 *frame_buffer; /* frame buffer data */ struct framebuf *buffers; struct framebuf * volatile curbuff; struct framebuf *workbuff; /* MJPEG Extension */ int APPn; /* Number of APP segment to be written, must be 0..15 */ int APP_len; /* Length of data in JPEG APPn segment */ char APP_data[60]; /* Data in the JPEG APPn segment. */ int COM_len; /* Length of data in JPEG COM segment */ char COM_data[60]; /* Data in JPEG COM segment */ }; /* v4l */ int cpia2_register_camera(struct camera_data *cam); void cpia2_unregister_camera(struct camera_data *cam); /* core */ int cpia2_reset_camera(struct camera_data *cam); int cpia2_set_low_power(struct camera_data *cam); void cpia2_dbg_dump_registers(struct camera_data *cam); int cpia2_match_video_size(int width, int height); void cpia2_set_camera_state(struct camera_data *cam); void cpia2_save_camera_state(struct camera_data *cam); void cpia2_set_color_params(struct camera_data *cam); void cpia2_set_brightness(struct camera_data *cam, unsigned char value); void cpia2_set_contrast(struct camera_data *cam, unsigned char value); void cpia2_set_saturation(struct camera_data *cam, unsigned char value); int cpia2_set_flicker_mode(struct camera_data *cam, int mode); void cpia2_set_format(struct camera_data *cam); int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd); int cpia2_do_command(struct camera_data *cam, unsigned int command, unsigned char direction, unsigned char param); struct camera_data *cpia2_init_camera_struct(void); int cpia2_init_camera(struct camera_data *cam); int cpia2_allocate_buffers(struct camera_data *cam); void cpia2_free_buffers(struct camera_data *cam); long cpia2_read(struct camera_data *cam, char __user *buf, unsigned long count, int noblock); unsigned int cpia2_poll(struct camera_data *cam, struct file *filp, poll_table *wait); int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma); void cpia2_set_property_flip(struct camera_data *cam, int prop_val); void cpia2_set_property_mirror(struct camera_data *cam, int prop_val); int cpia2_set_target_kb(struct camera_data *cam, unsigned char value); int cpia2_set_gpio(struct camera_data *cam, unsigned char setting); int cpia2_set_fps(struct camera_data *cam, int framerate); /* usb */ int cpia2_usb_init(void); void cpia2_usb_cleanup(void); int cpia2_usb_transfer_cmd(struct camera_data *cam, void *registers, u8 request, u8 start, u8 count, u8 direction); int cpia2_usb_stream_start(struct camera_data *cam, unsigned int alternate); int cpia2_usb_stream_stop(struct camera_data *cam); int cpia2_usb_stream_pause(struct camera_data *cam); int cpia2_usb_stream_resume(struct camera_data *cam); int cpia2_usb_change_streaming_alternate(struct camera_data *cam, unsigned int alt); /* ----------------------- debug functions ---------------------- */ #ifdef _CPIA2_DEBUG_ #define ALOG(lev, fmt, args...) printk(lev "%s:%d %s(): " fmt, __FILE__, __LINE__, __func__, ## args) #define LOG(fmt, args...) ALOG(KERN_INFO, fmt, ## args) #define ERR(fmt, args...) ALOG(KERN_ERR, fmt, ## args) #define DBG(fmt, args...) ALOG(KERN_DEBUG, fmt, ## args) #else #define ALOG(fmt,args...) printk(fmt,##args) #define LOG(fmt,args...) ALOG(KERN_INFO "cpia2: "fmt,##args) #define ERR(fmt,args...) ALOG(KERN_ERR "cpia2: "fmt,##args) #define DBG(fmn,args...) do {} while(0) #endif /* No function or lineno, for shorter lines */ #define KINFO(fmt, args...) printk(KERN_INFO fmt,##args) #endif |