Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | * |
| 3 | * Filename: cpia2.h |
| 4 | * |
| 5 | * Copyright 2001, STMicrolectronics, Inc. |
| 6 | * |
| 7 | * Contact: steve.miller@st.com |
| 8 | * |
| 9 | * Description: |
| 10 | * This is a USB driver for CPiA2 based video cameras. |
| 11 | * |
| 12 | * This driver is modelled on the cpia usb driver by |
| 13 | * Jochen Scharrlach and Johannes Erdfeldt. |
| 14 | * |
| 15 | * This program is free software; you can redistribute it and/or modify |
| 16 | * it under the terms of the GNU General Public License as published by |
| 17 | * the Free Software Foundation; either version 2 of the License, or |
| 18 | * (at your option) any later version. |
| 19 | * |
| 20 | * This program is distributed in the hope that it will be useful, |
| 21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 23 | * GNU General Public License for more details. |
| 24 | * |
| 25 | * You should have received a copy of the GNU General Public License |
| 26 | * along with this program; if not, write to the Free Software |
| 27 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 28 | * |
| 29 | ****************************************************************************/ |
| 30 | |
| 31 | #ifndef __CPIA2_H__ |
| 32 | #define __CPIA2_H__ |
| 33 | |
| 34 | #include <linux/version.h> |
| 35 | #include <linux/videodev.h> |
Mauro Carvalho Chehab | 5e87efa | 2006-06-05 10:26:32 -0300 | [diff] [blame] | 36 | #include <media/v4l2-common.h> |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 37 | #include <linux/usb.h> |
| 38 | #include <linux/poll.h> |
| 39 | |
| 40 | #include "cpia2dev.h" |
| 41 | #include "cpia2_registers.h" |
| 42 | |
| 43 | /* define for verbose debug output */ |
| 44 | //#define _CPIA2_DEBUG_ |
| 45 | |
| 46 | #define CPIA2_MAJ_VER 2 |
| 47 | #define CPIA2_MIN_VER 0 |
| 48 | #define CPIA2_PATCH_VER 0 |
| 49 | |
| 50 | /*** |
| 51 | * Image defines |
| 52 | ***/ |
| 53 | #ifndef true |
| 54 | #define true 1 |
| 55 | #define false 0 |
| 56 | #endif |
| 57 | |
| 58 | /* Misc constants */ |
| 59 | #define ALLOW_CORRUPT 0 /* Causes collater to discard checksum */ |
| 60 | |
| 61 | /* USB Transfer mode */ |
| 62 | #define XFER_ISOC 0 |
| 63 | #define XFER_BULK 1 |
| 64 | |
| 65 | /* USB Alternates */ |
| 66 | #define USBIF_CMDONLY 0 |
| 67 | #define USBIF_BULK 1 |
| 68 | #define USBIF_ISO_1 2 /* 128 bytes/ms */ |
| 69 | #define USBIF_ISO_2 3 /* 384 bytes/ms */ |
| 70 | #define USBIF_ISO_3 4 /* 640 bytes/ms */ |
| 71 | #define USBIF_ISO_4 5 /* 768 bytes/ms */ |
| 72 | #define USBIF_ISO_5 6 /* 896 bytes/ms */ |
| 73 | #define USBIF_ISO_6 7 /* 1023 bytes/ms */ |
| 74 | |
| 75 | /* Flicker Modes */ |
| 76 | #define NEVER_FLICKER 0 |
| 77 | #define ANTI_FLICKER_ON 1 |
| 78 | #define FLICKER_60 60 |
| 79 | #define FLICKER_50 50 |
| 80 | |
| 81 | /* Debug flags */ |
| 82 | #define DEBUG_NONE 0 |
| 83 | #define DEBUG_REG 0x00000001 |
| 84 | #define DEBUG_DUMP_PATCH 0x00000002 |
| 85 | #define DEBUG_DUMP_REGS 0x00000004 |
| 86 | |
| 87 | /*** |
| 88 | * Video frame sizes |
| 89 | ***/ |
| 90 | enum { |
| 91 | VIDEOSIZE_VGA = 0, /* 640x480 */ |
| 92 | VIDEOSIZE_CIF, /* 352x288 */ |
| 93 | VIDEOSIZE_QVGA, /* 320x240 */ |
| 94 | VIDEOSIZE_QCIF, /* 176x144 */ |
| 95 | VIDEOSIZE_288_216, |
| 96 | VIDEOSIZE_256_192, |
| 97 | VIDEOSIZE_224_168, |
| 98 | VIDEOSIZE_192_144, |
| 99 | }; |
| 100 | |
| 101 | #define STV_IMAGE_CIF_ROWS 288 |
| 102 | #define STV_IMAGE_CIF_COLS 352 |
| 103 | |
| 104 | #define STV_IMAGE_QCIF_ROWS 144 |
| 105 | #define STV_IMAGE_QCIF_COLS 176 |
| 106 | |
| 107 | #define STV_IMAGE_VGA_ROWS 480 |
| 108 | #define STV_IMAGE_VGA_COLS 640 |
| 109 | |
| 110 | #define STV_IMAGE_QVGA_ROWS 240 |
| 111 | #define STV_IMAGE_QVGA_COLS 320 |
| 112 | |
| 113 | #define JPEG_MARKER_COM (1<<6) /* Comment segment */ |
| 114 | |
| 115 | /*** |
| 116 | * Enums |
| 117 | ***/ |
| 118 | /* Sensor types available with cpia2 asics */ |
| 119 | enum sensors { |
| 120 | CPIA2_SENSOR_410, |
| 121 | CPIA2_SENSOR_500 |
| 122 | }; |
| 123 | |
| 124 | /* Asic types available in the CPiA2 architecture */ |
| 125 | #define CPIA2_ASIC_672 0x67 |
| 126 | |
| 127 | /* Device types (stv672, stv676, etc) */ |
| 128 | #define DEVICE_STV_672 0x0001 |
| 129 | #define DEVICE_STV_676 0x0002 |
| 130 | |
| 131 | enum frame_status { |
| 132 | FRAME_EMPTY, |
| 133 | FRAME_READING, /* In the process of being grabbed into */ |
| 134 | FRAME_READY, /* Ready to be read */ |
| 135 | FRAME_ERROR, |
| 136 | }; |
| 137 | |
| 138 | /*** |
| 139 | * Register access (for USB request byte) |
| 140 | ***/ |
| 141 | enum { |
| 142 | CAMERAACCESS_SYSTEM = 0, |
| 143 | CAMERAACCESS_VC, |
| 144 | CAMERAACCESS_VP, |
| 145 | CAMERAACCESS_IDATA |
| 146 | }; |
| 147 | |
| 148 | #define CAMERAACCESS_TYPE_BLOCK 0x00 |
| 149 | #define CAMERAACCESS_TYPE_RANDOM 0x04 |
| 150 | #define CAMERAACCESS_TYPE_MASK 0x08 |
| 151 | #define CAMERAACCESS_TYPE_REPEAT 0x0C |
| 152 | |
| 153 | #define TRANSFER_READ 0 |
| 154 | #define TRANSFER_WRITE 1 |
| 155 | |
| 156 | #define DEFAULT_ALT USBIF_ISO_6 |
| 157 | #define DEFAULT_BRIGHTNESS 0x46 |
| 158 | #define DEFAULT_CONTRAST 0x93 |
| 159 | #define DEFAULT_SATURATION 0x7f |
| 160 | #define DEFAULT_TARGET_KB 0x30 |
| 161 | |
| 162 | /* Power state */ |
| 163 | #define HI_POWER_MODE CPIA2_SYSTEM_CONTROL_HIGH_POWER |
| 164 | #define LO_POWER_MODE CPIA2_SYSTEM_CONTROL_LOW_POWER |
| 165 | |
| 166 | |
| 167 | /******** |
| 168 | * Commands |
| 169 | *******/ |
| 170 | enum { |
| 171 | CPIA2_CMD_NONE = 0, |
| 172 | CPIA2_CMD_GET_VERSION, |
| 173 | CPIA2_CMD_GET_PNP_ID, |
| 174 | CPIA2_CMD_GET_ASIC_TYPE, |
| 175 | CPIA2_CMD_GET_SENSOR, |
| 176 | CPIA2_CMD_GET_VP_DEVICE, |
| 177 | CPIA2_CMD_GET_VP_BRIGHTNESS, |
| 178 | CPIA2_CMD_SET_VP_BRIGHTNESS, |
| 179 | CPIA2_CMD_GET_CONTRAST, |
| 180 | CPIA2_CMD_SET_CONTRAST, |
| 181 | CPIA2_CMD_GET_VP_SATURATION, |
| 182 | CPIA2_CMD_SET_VP_SATURATION, |
| 183 | CPIA2_CMD_GET_VP_GPIO_DIRECTION, |
| 184 | CPIA2_CMD_SET_VP_GPIO_DIRECTION, |
| 185 | CPIA2_CMD_GET_VP_GPIO_DATA, |
| 186 | CPIA2_CMD_SET_VP_GPIO_DATA, |
| 187 | CPIA2_CMD_GET_VC_MP_GPIO_DIRECTION, |
| 188 | CPIA2_CMD_SET_VC_MP_GPIO_DIRECTION, |
| 189 | CPIA2_CMD_GET_VC_MP_GPIO_DATA, |
| 190 | CPIA2_CMD_SET_VC_MP_GPIO_DATA, |
| 191 | CPIA2_CMD_ENABLE_PACKET_CTRL, |
| 192 | CPIA2_CMD_GET_FLICKER_MODES, |
| 193 | CPIA2_CMD_SET_FLICKER_MODES, |
| 194 | CPIA2_CMD_RESET_FIFO, /* clear fifo and enable stream block */ |
| 195 | CPIA2_CMD_SET_HI_POWER, |
| 196 | CPIA2_CMD_SET_LOW_POWER, |
| 197 | CPIA2_CMD_CLEAR_V2W_ERR, |
| 198 | CPIA2_CMD_SET_USER_MODE, |
| 199 | CPIA2_CMD_GET_USER_MODE, |
| 200 | CPIA2_CMD_FRAMERATE_REQ, |
| 201 | CPIA2_CMD_SET_COMPRESSION_STATE, |
| 202 | CPIA2_CMD_GET_WAKEUP, |
| 203 | CPIA2_CMD_SET_WAKEUP, |
| 204 | CPIA2_CMD_GET_PW_CONTROL, |
| 205 | CPIA2_CMD_SET_PW_CONTROL, |
| 206 | CPIA2_CMD_GET_SYSTEM_CTRL, |
| 207 | CPIA2_CMD_SET_SYSTEM_CTRL, |
| 208 | CPIA2_CMD_GET_VP_SYSTEM_STATE, |
| 209 | CPIA2_CMD_GET_VP_SYSTEM_CTRL, |
| 210 | CPIA2_CMD_SET_VP_SYSTEM_CTRL, |
| 211 | CPIA2_CMD_GET_VP_EXP_MODES, |
| 212 | CPIA2_CMD_SET_VP_EXP_MODES, |
| 213 | CPIA2_CMD_GET_DEVICE_CONFIG, |
| 214 | CPIA2_CMD_SET_DEVICE_CONFIG, |
| 215 | CPIA2_CMD_SET_SERIAL_ADDR, |
| 216 | CPIA2_CMD_SET_SENSOR_CR1, |
| 217 | CPIA2_CMD_GET_VC_CONTROL, |
| 218 | CPIA2_CMD_SET_VC_CONTROL, |
| 219 | CPIA2_CMD_SET_TARGET_KB, |
| 220 | CPIA2_CMD_SET_DEF_JPEG_OPT, |
| 221 | CPIA2_CMD_REHASH_VP4, |
| 222 | CPIA2_CMD_GET_USER_EFFECTS, |
| 223 | CPIA2_CMD_SET_USER_EFFECTS |
| 224 | }; |
| 225 | |
| 226 | enum user_cmd { |
| 227 | COMMAND_NONE = 0x00000001, |
| 228 | COMMAND_SET_FPS = 0x00000002, |
| 229 | COMMAND_SET_COLOR_PARAMS = 0x00000004, |
| 230 | COMMAND_GET_COLOR_PARAMS = 0x00000008, |
| 231 | COMMAND_SET_FORMAT = 0x00000010, /* size, etc */ |
| 232 | COMMAND_SET_FLICKER = 0x00000020 |
| 233 | }; |
| 234 | |
| 235 | /*** |
| 236 | * Some defines specific to the 676 chip |
| 237 | ***/ |
| 238 | #define CAMACC_CIF 0x01 |
| 239 | #define CAMACC_VGA 0x02 |
| 240 | #define CAMACC_QCIF 0x04 |
| 241 | #define CAMACC_QVGA 0x08 |
| 242 | |
| 243 | |
| 244 | struct cpia2_register { |
| 245 | u8 index; |
| 246 | u8 value; |
| 247 | }; |
| 248 | |
| 249 | struct cpia2_reg_mask { |
| 250 | u8 index; |
| 251 | u8 and_mask; |
| 252 | u8 or_mask; |
| 253 | u8 fill; |
| 254 | }; |
| 255 | |
| 256 | struct cpia2_command { |
| 257 | u32 command; |
| 258 | u8 req_mode; /* (Block or random) | registerBank */ |
| 259 | u8 reg_count; |
| 260 | u8 direction; |
| 261 | u8 start; |
| 262 | union reg_types { |
| 263 | struct cpia2_register registers[32]; |
| 264 | struct cpia2_reg_mask masks[16]; |
| 265 | u8 block_data[64]; |
| 266 | u8 *patch_data; /* points to function defined block */ |
| 267 | } buffer; |
| 268 | }; |
| 269 | |
| 270 | struct camera_params { |
| 271 | struct { |
| 272 | u8 firmware_revision_hi; /* For system register set (bank 0) */ |
| 273 | u8 firmware_revision_lo; |
| 274 | u8 asic_id; /* Video Compressor set (bank 1) */ |
| 275 | u8 asic_rev; |
| 276 | u8 vp_device_hi; /* Video Processor set (bank 2) */ |
| 277 | u8 vp_device_lo; |
| 278 | u8 sensor_flags; |
| 279 | u8 sensor_rev; |
| 280 | } version; |
| 281 | |
| 282 | struct { |
| 283 | u32 device_type; /* enumerated from vendor/product ids. |
| 284 | * Currently, either STV_672 or STV_676 */ |
| 285 | u16 vendor; |
| 286 | u16 product; |
| 287 | u16 device_revision; |
| 288 | } pnp_id; |
| 289 | |
| 290 | struct { |
| 291 | u8 brightness; /* CPIA2_VP_EXPOSURE_TARGET */ |
| 292 | u8 contrast; /* Note: this is CPIA2_VP_YRANGE */ |
| 293 | u8 saturation; /* CPIA2_VP_SATURATION */ |
| 294 | } color_params; |
| 295 | |
| 296 | struct { |
| 297 | u8 cam_register; |
| 298 | u8 flicker_mode_req; /* 1 if flicker on, else never flicker */ |
| 299 | int mains_frequency; |
| 300 | } flicker_control; |
| 301 | |
| 302 | struct { |
| 303 | u8 jpeg_options; |
| 304 | u8 creep_period; |
| 305 | u8 user_squeeze; |
| 306 | u8 inhibit_htables; |
| 307 | } compression; |
| 308 | |
| 309 | struct { |
| 310 | u8 ohsize; /* output image size */ |
| 311 | u8 ovsize; |
| 312 | u8 hcrop; /* cropping start_pos/4 */ |
| 313 | u8 vcrop; |
| 314 | u8 hphase; /* scaling registers */ |
| 315 | u8 vphase; |
| 316 | u8 hispan; |
| 317 | u8 vispan; |
| 318 | u8 hicrop; |
| 319 | u8 vicrop; |
| 320 | u8 hifraction; |
| 321 | u8 vifraction; |
| 322 | } image_size; |
| 323 | |
| 324 | struct { |
| 325 | int width; /* actual window width */ |
| 326 | int height; /* actual window height */ |
| 327 | } roi; |
| 328 | |
| 329 | struct { |
| 330 | u8 video_mode; |
| 331 | u8 frame_rate; |
| 332 | u8 video_size; /* Not a register, just a convenience for cropped sizes */ |
| 333 | u8 gpio_direction; |
| 334 | u8 gpio_data; |
| 335 | u8 system_ctrl; |
| 336 | u8 system_state; |
| 337 | u8 lowlight_boost; /* Bool: 0 = off, 1 = on */ |
| 338 | u8 device_config; |
| 339 | u8 exposure_modes; |
| 340 | u8 user_effects; |
| 341 | } vp_params; |
| 342 | |
| 343 | struct { |
| 344 | u8 pw_control; |
| 345 | u8 wakeup; |
| 346 | u8 vc_control; |
| 347 | u8 vc_mp_direction; |
| 348 | u8 vc_mp_data; |
| 349 | u8 target_kb; |
| 350 | } vc_params; |
| 351 | |
| 352 | struct { |
| 353 | u8 power_mode; |
| 354 | u8 system_ctrl; |
| 355 | u8 stream_mode; /* This is the current alternate for usb drivers */ |
| 356 | u8 allow_corrupt; |
| 357 | } camera_state; |
| 358 | }; |
| 359 | |
| 360 | #define NUM_SBUF 2 |
| 361 | |
| 362 | struct cpia2_sbuf { |
| 363 | char *data; |
| 364 | struct urb *urb; |
| 365 | }; |
| 366 | |
| 367 | struct framebuf { |
| 368 | struct timeval timestamp; |
| 369 | unsigned long seq; |
| 370 | int num; |
| 371 | int length; |
| 372 | int max_length; |
| 373 | volatile enum frame_status status; |
| 374 | u8 *data; |
| 375 | struct framebuf *next; |
| 376 | }; |
| 377 | |
| 378 | struct cpia2_fh { |
| 379 | enum v4l2_priority prio; |
| 380 | u8 mmapped; |
| 381 | }; |
| 382 | |
| 383 | struct camera_data { |
| 384 | /* locks */ |
Alan Cox | 2ae1519 | 2006-03-20 13:59:42 -0300 | [diff] [blame] | 385 | struct mutex busy_lock; /* guard against SMP multithreading */ |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 386 | struct v4l2_prio_state prio; |
| 387 | |
| 388 | /* camera status */ |
| 389 | volatile int present; /* Is the camera still present? */ |
| 390 | int open_count; /* # of process that have camera open */ |
| 391 | int first_image_seen; |
| 392 | u8 mains_freq; /* for flicker control */ |
| 393 | enum sensors sensor_type; |
| 394 | u8 flush; |
| 395 | u8 mmapped; |
| 396 | int streaming; /* 0 = no, 1 = yes */ |
| 397 | int xfer_mode; /* XFER_BULK or XFER_ISOC */ |
| 398 | struct camera_params params; /* camera settings */ |
| 399 | |
| 400 | /* v4l */ |
| 401 | int video_size; /* VIDEO_SIZE_ */ |
| 402 | struct video_device *vdev; /* v4l videodev */ |
| 403 | struct video_picture vp; /* v4l camera settings */ |
| 404 | struct video_window vw; /* v4l capture area */ |
| 405 | __u32 pixelformat; /* Format fourcc */ |
| 406 | |
| 407 | /* USB */ |
| 408 | struct usb_device *dev; |
| 409 | unsigned char iface; |
| 410 | unsigned int cur_alt; |
| 411 | unsigned int old_alt; |
| 412 | struct cpia2_sbuf sbuf[NUM_SBUF]; /* Double buffering */ |
| 413 | |
| 414 | wait_queue_head_t wq_stream; |
| 415 | |
| 416 | /* Buffering */ |
| 417 | u32 frame_size; |
| 418 | int num_frames; |
| 419 | unsigned long frame_count; |
| 420 | u8 *frame_buffer; /* frame buffer data */ |
| 421 | struct framebuf *buffers; |
| 422 | struct framebuf * volatile curbuff; |
| 423 | struct framebuf *workbuff; |
| 424 | |
| 425 | /* MJPEG Extension */ |
| 426 | int APPn; /* Number of APP segment to be written, must be 0..15 */ |
| 427 | int APP_len; /* Length of data in JPEG APPn segment */ |
| 428 | char APP_data[60]; /* Data in the JPEG APPn segment. */ |
| 429 | |
| 430 | int COM_len; /* Length of data in JPEG COM segment */ |
| 431 | char COM_data[60]; /* Data in JPEG COM segment */ |
| 432 | }; |
| 433 | |
| 434 | /* v4l */ |
| 435 | int cpia2_register_camera(struct camera_data *cam); |
| 436 | void cpia2_unregister_camera(struct camera_data *cam); |
| 437 | |
| 438 | /* core */ |
| 439 | int cpia2_reset_camera(struct camera_data *cam); |
| 440 | int cpia2_set_low_power(struct camera_data *cam); |
| 441 | void cpia2_dbg_dump_registers(struct camera_data *cam); |
| 442 | int cpia2_match_video_size(int width, int height); |
| 443 | void cpia2_set_camera_state(struct camera_data *cam); |
| 444 | void cpia2_save_camera_state(struct camera_data *cam); |
| 445 | void cpia2_set_color_params(struct camera_data *cam); |
| 446 | void cpia2_set_brightness(struct camera_data *cam, unsigned char value); |
| 447 | void cpia2_set_contrast(struct camera_data *cam, unsigned char value); |
| 448 | void cpia2_set_saturation(struct camera_data *cam, unsigned char value); |
| 449 | int cpia2_set_flicker_mode(struct camera_data *cam, int mode); |
| 450 | void cpia2_set_format(struct camera_data *cam); |
| 451 | int cpia2_send_command(struct camera_data *cam, struct cpia2_command *cmd); |
| 452 | int cpia2_do_command(struct camera_data *cam, |
| 453 | unsigned int command, |
| 454 | unsigned char direction, unsigned char param); |
| 455 | struct camera_data *cpia2_init_camera_struct(void); |
| 456 | int cpia2_init_camera(struct camera_data *cam); |
| 457 | int cpia2_allocate_buffers(struct camera_data *cam); |
| 458 | void cpia2_free_buffers(struct camera_data *cam); |
| 459 | long cpia2_read(struct camera_data *cam, |
Randy Dunlap | fb9c280 | 2006-03-29 16:15:23 -0300 | [diff] [blame] | 460 | char __user *buf, unsigned long count, int noblock); |
Alan Cox | ab33d50 | 2006-02-27 00:09:05 -0300 | [diff] [blame] | 461 | unsigned int cpia2_poll(struct camera_data *cam, |
| 462 | struct file *filp, poll_table *wait); |
| 463 | int cpia2_remap_buffer(struct camera_data *cam, struct vm_area_struct *vma); |
| 464 | void cpia2_set_property_flip(struct camera_data *cam, int prop_val); |
| 465 | void cpia2_set_property_mirror(struct camera_data *cam, int prop_val); |
| 466 | int cpia2_set_target_kb(struct camera_data *cam, unsigned char value); |
| 467 | int cpia2_set_gpio(struct camera_data *cam, unsigned char setting); |
| 468 | int cpia2_set_fps(struct camera_data *cam, int framerate); |
| 469 | |
| 470 | /* usb */ |
| 471 | int cpia2_usb_init(void); |
| 472 | void cpia2_usb_cleanup(void); |
| 473 | int cpia2_usb_transfer_cmd(struct camera_data *cam, void *registers, |
| 474 | u8 request, u8 start, u8 count, u8 direction); |
| 475 | int cpia2_usb_stream_start(struct camera_data *cam, unsigned int alternate); |
| 476 | int cpia2_usb_stream_stop(struct camera_data *cam); |
| 477 | int cpia2_usb_stream_pause(struct camera_data *cam); |
| 478 | int cpia2_usb_stream_resume(struct camera_data *cam); |
| 479 | int cpia2_usb_change_streaming_alternate(struct camera_data *cam, |
| 480 | unsigned int alt); |
| 481 | |
| 482 | |
| 483 | /* ----------------------- debug functions ---------------------- */ |
| 484 | #ifdef _CPIA2_DEBUG_ |
| 485 | #define ALOG(lev, fmt, args...) printk(lev "%s:%d %s(): " fmt, __FILE__, __LINE__, __func__, ## args) |
| 486 | #define LOG(fmt, args...) ALOG(KERN_INFO, fmt, ## args) |
| 487 | #define ERR(fmt, args...) ALOG(KERN_ERR, fmt, ## args) |
| 488 | #define DBG(fmt, args...) ALOG(KERN_DEBUG, fmt, ## args) |
| 489 | #else |
| 490 | #define ALOG(fmt,args...) printk(fmt,##args) |
| 491 | #define LOG(fmt,args...) ALOG(KERN_INFO "cpia2: "fmt,##args) |
| 492 | #define ERR(fmt,args...) ALOG(KERN_ERR "cpia2: "fmt,##args) |
| 493 | #define DBG(fmn,args...) do {} while(0) |
| 494 | #endif |
| 495 | /* No function or lineno, for shorter lines */ |
| 496 | #define KINFO(fmt, args...) printk(KERN_INFO fmt,##args) |
| 497 | |
| 498 | #endif |