*/
/* define _CPIA_DEBUG_ for verbose debug output (see cpia.h) */
-/* #define _CPIA_DEBUG_ 1 */
+/* #define _CPIA_DEBUG_ 1 */
#include <linux/config.h>
#include <linux/pagemap.h>
#include <linux/delay.h>
#include <asm/io.h>
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#ifdef CONFIG_KMOD
#include <linux/kmod.h>
#ifdef MODULE
module_param(video_nr, int, 0);
-MODULE_AUTHOR("Scott J. Bertin <sbertin@securenym.net> & Peter Pregler <Peter_Pregler@email.com> & Johannes Erdfelt <johannes@erdfeld.com>");
+MODULE_AUTHOR("Scott J. Bertin <sbertin@securenym.net> & Peter Pregler <Peter_Pregler@email.com> & Johannes Erdfelt <johannes@erdfelt.com>");
MODULE_DESCRIPTION("V4L-driver for Vision CPiA based cameras");
MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("video");
#endif
-static unsigned short colorspace_conv = 0;
+static unsigned short colorspace_conv;
module_param(colorspace_conv, ushort, 0444);
MODULE_PARM_DESC(colorspace_conv,
- "\n<n> Colorspace conversion:"
- "\n0 = disable"
- "\n1 = enable"
- "\nDefault value is 0"
- "\n");
+ " Colorspace conversion:"
+ "\n 0 = disable, 1 = enable"
+ "\n Default value is 0"
+ );
#define ABOUT "V4L-Driver for Vision CPiA based cameras"
#define TC 94
#define EXP_ACC_DARK 50
#define EXP_ACC_LIGHT 90
-#define HIGH_COMP_102 160
-#define MAX_COMP 239
+#define HIGH_COMP_102 160
+#define MAX_COMP 239
#define DARK_TIME 3
#define LIGHT_TIME 3
static void reset_camera_struct(struct cam_data *cam);
static int find_over_exposure(int brightness);
static void set_flicker(struct cam_params *params, volatile u32 *command_flags,
- int on);
+ int on);
/**********************************************************************
static struct proc_dir_entry *cpia_proc_root=NULL;
static int cpia_read_proc(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+ int count, int *eof, void *data)
{
char *out = page;
int len, tmp;
out += sprintf(out, "V4L Driver version: %d.%d.%d\n",
CPIA_MAJ_VER, CPIA_MIN_VER, CPIA_PATCH_VER);
out += sprintf(out, "CPIA Version: %d.%02d (%d.%d)\n",
- cam->params.version.firmwareVersion,
- cam->params.version.firmwareRevision,
- cam->params.version.vcVersion,
- cam->params.version.vcRevision);
+ cam->params.version.firmwareVersion,
+ cam->params.version.firmwareRevision,
+ cam->params.version.vcVersion,
+ cam->params.version.vcRevision);
out += sprintf(out, "CPIA PnP-ID: %04x:%04x:%04x\n",
- cam->params.pnpID.vendor, cam->params.pnpID.product,
- cam->params.pnpID.deviceRevision);
+ cam->params.pnpID.vendor, cam->params.pnpID.product,
+ cam->params.pnpID.deviceRevision);
out += sprintf(out, "VP-Version: %d.%d %04x\n",
- cam->params.vpVersion.vpVersion,
- cam->params.vpVersion.vpRevision,
- cam->params.vpVersion.cameraHeadID);
-
+ cam->params.vpVersion.vpVersion,
+ cam->params.vpVersion.vpRevision,
+ cam->params.vpVersion.cameraHeadID);
+
out += sprintf(out, "system_state: %#04x\n",
- cam->params.status.systemState);
+ cam->params.status.systemState);
out += sprintf(out, "grab_state: %#04x\n",
- cam->params.status.grabState);
+ cam->params.status.grabState);
out += sprintf(out, "stream_state: %#04x\n",
- cam->params.status.streamState);
+ cam->params.status.streamState);
out += sprintf(out, "fatal_error: %#04x\n",
- cam->params.status.fatalError);
+ cam->params.status.fatalError);
out += sprintf(out, "cmd_error: %#04x\n",
- cam->params.status.cmdError);
+ cam->params.status.cmdError);
out += sprintf(out, "debug_flags: %#04x\n",
- cam->params.status.debugFlags);
+ cam->params.status.debugFlags);
out += sprintf(out, "vp_status: %#04x\n",
- cam->params.status.vpStatus);
+ cam->params.status.vpStatus);
out += sprintf(out, "error_code: %#04x\n",
- cam->params.status.errorCode);
+ cam->params.status.errorCode);
/* QX3 specific entries */
if (cam->params.qx3.qx3_detected) {
out += sprintf(out, "button: %4d\n",
- cam->params.qx3.button);
+ cam->params.qx3.button);
out += sprintf(out, "cradled: %4d\n",
- cam->params.qx3.cradled);
+ cam->params.qx3.cradled);
}
out += sprintf(out, "video_size: %s\n",
- cam->params.format.videoSize == VIDEOSIZE_CIF ?
+ cam->params.format.videoSize == VIDEOSIZE_CIF ?
"CIF " : "QCIF");
out += sprintf(out, "roi: (%3d, %3d) to (%3d, %3d)\n",
- cam->params.roi.colStart*8,
- cam->params.roi.rowStart*4,
- cam->params.roi.colEnd*8,
- cam->params.roi.rowEnd*4);
+ cam->params.roi.colStart*8,
+ cam->params.roi.rowStart*4,
+ cam->params.roi.colEnd*8,
+ cam->params.roi.rowEnd*4);
out += sprintf(out, "actual_fps: %3d\n", cam->fps);
out += sprintf(out, "transfer_rate: %4dkB/s\n",
- cam->transfer_rate);
-
+ cam->transfer_rate);
+
out += sprintf(out, "\nread-write\n");
out += sprintf(out, "----------------------- current min"
- " max default comment\n");
+ " max default comment\n");
out += sprintf(out, "brightness: %8d %8d %8d %8d\n",
- cam->params.colourParams.brightness, 0, 100, 50);
+ cam->params.colourParams.brightness, 0, 100, 50);
if (cam->params.version.firmwareVersion == 1 &&
cam->params.version.firmwareRevision == 2)
/* 1-02 firmware limits contrast to 80 */
tmp = 96;
out += sprintf(out, "contrast: %8d %8d %8d %8d"
- " steps of 8\n",
- cam->params.colourParams.contrast, 0, tmp, 48);
+ " steps of 8\n",
+ cam->params.colourParams.contrast, 0, tmp, 48);
out += sprintf(out, "saturation: %8d %8d %8d %8d\n",
- cam->params.colourParams.saturation, 0, 100, 50);
+ cam->params.colourParams.saturation, 0, 100, 50);
tmp = (25000+5000*cam->params.sensorFps.baserate)/
(1<<cam->params.sensorFps.divisor);
out += sprintf(out, "sensor_fps: %4d.%03d %8d %8d %8d\n",
- tmp/1000, tmp%1000, 3, 30, 15);
+ tmp/1000, tmp%1000, 3, 30, 15);
out += sprintf(out, "stream_start_line: %8d %8d %8d %8d\n",
- 2*cam->params.streamStartLine, 0,
+ 2*cam->params.streamStartLine, 0,
cam->params.format.videoSize == VIDEOSIZE_CIF ? 288:144,
cam->params.format.videoSize == VIDEOSIZE_CIF ? 240:120);
out += sprintf(out, "sub_sample: %8s %8s %8s %8s\n",
- cam->params.format.subSample == SUBSAMPLE_420 ?
+ cam->params.format.subSample == SUBSAMPLE_420 ?
"420" : "422", "420", "422", "422");
out += sprintf(out, "yuv_order: %8s %8s %8s %8s\n",
- cam->params.format.yuvOrder == YUVORDER_YUYV ?
+ cam->params.format.yuvOrder == YUVORDER_YUYV ?
"YUYV" : "UYVY", "YUYV" , "UYVY", "YUYV");
out += sprintf(out, "ecp_timing: %8s %8s %8s %8s\n",
- cam->params.ecpTiming ? "slow" : "normal", "slow",
+ cam->params.ecpTiming ? "slow" : "normal", "slow",
"normal", "normal");
if (cam->params.colourBalance.balanceMode == 2) {
out += sprintf(out, "color_balance_mode: %8s %8s %8s"
" %8s\n", tmpstr, "manual", "auto", "auto");
out += sprintf(out, "red_gain: %8d %8d %8d %8d\n",
- cam->params.colourBalance.redGain, 0, 212, 32);
+ cam->params.colourBalance.redGain, 0, 212, 32);
out += sprintf(out, "green_gain: %8d %8d %8d %8d\n",
- cam->params.colourBalance.greenGain, 0, 212, 6);
+ cam->params.colourBalance.greenGain, 0, 212, 6);
out += sprintf(out, "blue_gain: %8d %8d %8d %8d\n",
- cam->params.colourBalance.blueGain, 0, 212, 92);
+ cam->params.colourBalance.blueGain, 0, 212, 92);
if (cam->params.version.firmwareVersion == 1 &&
cam->params.version.firmwareRevision == 2)
if (cam->params.exposure.gainMode == 0)
out += sprintf(out, "max_gain: unknown %28s"
- " powers of 2\n", tmpstr);
+ " powers of 2\n", tmpstr);
else
out += sprintf(out, "max_gain: %8d %28s"
" 1,2,4 or 8 \n",
- 1<<(cam->params.exposure.gainMode-1), tmpstr);
+ 1<<(cam->params.exposure.gainMode-1), tmpstr);
switch(cam->params.exposure.expMode) {
case 1:
out += sprintf(out, "exposure_mode: %8s %8s %8s"
" %8s\n", tmpstr, "manual", "auto", "auto");
out += sprintf(out, "centre_weight: %8s %8s %8s %8s\n",
- (2-cam->params.exposure.centreWeight) ? "on" : "off",
- "off", "on", "on");
+ (2-cam->params.exposure.centreWeight) ? "on" : "off",
+ "off", "on", "on");
out += sprintf(out, "gain: %8d %8d max_gain %8d 1,2,4,8 possible\n",
- 1<<cam->params.exposure.gain, 1, 1);
+ 1<<cam->params.exposure.gain, 1, 1);
if (cam->params.version.firmwareVersion == 1 &&
cam->params.version.firmwareRevision == 2)
/* 1-02 firmware limits fineExp/2 to 127 */
tmp = 510;
out += sprintf(out, "fine_exp: %8d %8d %8d %8d\n",
- cam->params.exposure.fineExp*2, 0, tmp, 0);
+ cam->params.exposure.fineExp*2, 0, tmp, 0);
if (cam->params.version.firmwareVersion == 1 &&
cam->params.version.firmwareRevision == 2)
/* 1-02 firmware limits coarseExpHi to 0 */
" %8d\n", cam->params.exposure.coarseExpLo+
256*cam->params.exposure.coarseExpHi, 0, tmp, 185);
out += sprintf(out, "red_comp: %8d %8d %8d %8d\n",
- cam->params.exposure.redComp, COMP_RED, 255, COMP_RED);
+ cam->params.exposure.redComp, COMP_RED, 255, COMP_RED);
out += sprintf(out, "green1_comp: %8d %8d %8d %8d\n",
- cam->params.exposure.green1Comp, COMP_GREEN1, 255,
+ cam->params.exposure.green1Comp, COMP_GREEN1, 255,
COMP_GREEN1);
out += sprintf(out, "green2_comp: %8d %8d %8d %8d\n",
- cam->params.exposure.green2Comp, COMP_GREEN2, 255,
+ cam->params.exposure.green2Comp, COMP_GREEN2, 255,
COMP_GREEN2);
out += sprintf(out, "blue_comp: %8d %8d %8d %8d\n",
- cam->params.exposure.blueComp, COMP_BLUE, 255, COMP_BLUE);
-
+ cam->params.exposure.blueComp, COMP_BLUE, 255, COMP_BLUE);
+
out += sprintf(out, "apcor_gain1: %#8x %#8x %#8x %#8x\n",
- cam->params.apcor.gain1, 0, 0xff, 0x1c);
+ cam->params.apcor.gain1, 0, 0xff, 0x1c);
out += sprintf(out, "apcor_gain2: %#8x %#8x %#8x %#8x\n",
- cam->params.apcor.gain2, 0, 0xff, 0x1a);
+ cam->params.apcor.gain2, 0, 0xff, 0x1a);
out += sprintf(out, "apcor_gain4: %#8x %#8x %#8x %#8x\n",
- cam->params.apcor.gain4, 0, 0xff, 0x2d);
+ cam->params.apcor.gain4, 0, 0xff, 0x2d);
out += sprintf(out, "apcor_gain8: %#8x %#8x %#8x %#8x\n",
- cam->params.apcor.gain8, 0, 0xff, 0x2a);
+ cam->params.apcor.gain8, 0, 0xff, 0x2a);
out += sprintf(out, "vl_offset_gain1: %8d %8d %8d %8d\n",
- cam->params.vlOffset.gain1, 0, 255, 24);
+ cam->params.vlOffset.gain1, 0, 255, 24);
out += sprintf(out, "vl_offset_gain2: %8d %8d %8d %8d\n",
- cam->params.vlOffset.gain2, 0, 255, 28);
+ cam->params.vlOffset.gain2, 0, 255, 28);
out += sprintf(out, "vl_offset_gain4: %8d %8d %8d %8d\n",
- cam->params.vlOffset.gain4, 0, 255, 30);
+ cam->params.vlOffset.gain4, 0, 255, 30);
out += sprintf(out, "vl_offset_gain8: %8d %8d %8d %8d\n",
- cam->params.vlOffset.gain8, 0, 255, 30);
+ cam->params.vlOffset.gain8, 0, 255, 30);
out += sprintf(out, "flicker_control: %8s %8s %8s %8s\n",
- cam->params.flickerControl.flickerMode ? "on" : "off",
+ cam->params.flickerControl.flickerMode ? "on" : "off",
"off", "on", "off");
out += sprintf(out, "mains_frequency: %8d %8d %8d %8d"
- " only 50/60\n",
- cam->mainsFreq ? 60 : 50, 50, 60, 50);
+ " only 50/60\n",
+ cam->mainsFreq ? 60 : 50, 50, 60, 50);
if(cam->params.flickerControl.allowableOverExposure < 0)
out += sprintf(out, "allowable_overexposure: %4dauto auto %8d auto\n",
- -cam->params.flickerControl.allowableOverExposure,
- 255);
+ -cam->params.flickerControl.allowableOverExposure,
+ 255);
else
out += sprintf(out, "allowable_overexposure: %8d auto %8d auto\n",
- cam->params.flickerControl.allowableOverExposure,
- 255);
+ cam->params.flickerControl.allowableOverExposure,
+ 255);
out += sprintf(out, "compression_mode: ");
switch(cam->params.compression.mode) {
case CPIA_COMPRESSION_NONE:
}
out += sprintf(out, " none,auto,manual auto\n");
out += sprintf(out, "decimation_enable: %8s %8s %8s %8s\n",
- cam->params.compression.decimation ==
- DECIMATION_ENAB ? "on":"off", "off", "on",
+ cam->params.compression.decimation ==
+ DECIMATION_ENAB ? "on":"off", "off", "on",
"off");
out += sprintf(out, "compression_target: %9s %9s %9s %9s\n",
- cam->params.compressionTarget.frTargeting ==
+ cam->params.compressionTarget.frTargeting ==
CPIA_COMPRESSION_TARGET_FRAMERATE ?
"framerate":"quality",
"framerate", "quality", "quality");
out += sprintf(out, "target_framerate: %8d %8d %8d %8d\n",
- cam->params.compressionTarget.targetFR, 1, 30, 15);
+ cam->params.compressionTarget.targetFR, 1, 30, 15);
out += sprintf(out, "target_quality: %8d %8d %8d %8d\n",
- cam->params.compressionTarget.targetQ, 1, 64, 5);
+ cam->params.compressionTarget.targetQ, 1, 64, 5);
out += sprintf(out, "y_threshold: %8d %8d %8d %8d\n",
- cam->params.yuvThreshold.yThreshold, 0, 31, 6);
+ cam->params.yuvThreshold.yThreshold, 0, 31, 6);
out += sprintf(out, "uv_threshold: %8d %8d %8d %8d\n",
- cam->params.yuvThreshold.uvThreshold, 0, 31, 6);
+ cam->params.yuvThreshold.uvThreshold, 0, 31, 6);
out += sprintf(out, "hysteresis: %8d %8d %8d %8d\n",
- cam->params.compressionParams.hysteresis, 0, 255, 3);
+ cam->params.compressionParams.hysteresis, 0, 255, 3);
out += sprintf(out, "threshold_max: %8d %8d %8d %8d\n",
- cam->params.compressionParams.threshMax, 0, 255, 11);
+ cam->params.compressionParams.threshMax, 0, 255, 11);
out += sprintf(out, "small_step: %8d %8d %8d %8d\n",
- cam->params.compressionParams.smallStep, 0, 255, 1);
+ cam->params.compressionParams.smallStep, 0, 255, 1);
out += sprintf(out, "large_step: %8d %8d %8d %8d\n",
- cam->params.compressionParams.largeStep, 0, 255, 3);
+ cam->params.compressionParams.largeStep, 0, 255, 3);
out += sprintf(out, "decimation_hysteresis: %8d %8d %8d %8d\n",
- cam->params.compressionParams.decimationHysteresis,
+ cam->params.compressionParams.decimationHysteresis,
0, 255, 2);
out += sprintf(out, "fr_diff_step_thresh: %8d %8d %8d %8d\n",
- cam->params.compressionParams.frDiffStepThresh,
+ cam->params.compressionParams.frDiffStepThresh,
0, 255, 5);
out += sprintf(out, "q_diff_step_thresh: %8d %8d %8d %8d\n",
- cam->params.compressionParams.qDiffStepThresh,
+ cam->params.compressionParams.qDiffStepThresh,
0, 255, 3);
out += sprintf(out, "decimation_thresh_mod: %8d %8d %8d %8d\n",
- cam->params.compressionParams.decimationThreshMod,
+ cam->params.compressionParams.decimationThreshMod,
0, 255, 2);
/* QX3 specific entries */
if (cam->params.qx3.qx3_detected) {
- out += sprintf(out, "toplight: %8s %8s %8s %8s\n",
- cam->params.qx3.toplight ? "on" : "off",
+ out += sprintf(out, "toplight: %8s %8s %8s %8s\n",
+ cam->params.qx3.toplight ? "on" : "off",
"off", "on", "off");
- out += sprintf(out, "bottomlight: %8s %8s %8s %8s\n",
- cam->params.qx3.bottomlight ? "on" : "off",
+ out += sprintf(out, "bottomlight: %8s %8s %8s %8s\n",
+ cam->params.qx3.bottomlight ? "on" : "off",
"off", "on", "off");
}
-
+
len = out - page;
len -= off;
if (len < count) {
static int match(char *checkstr, char **buffer, unsigned long *count,
- int *find_colon, int *err)
+ int *find_colon, int *err)
{
int ret, colon_found = 1;
int len = strlen(checkstr);
}
static int cpia_write_proc(struct file *file, const char __user *buf,
- unsigned long count, void *data)
+ unsigned long count, void *data)
{
struct cam_data *cam = data;
struct cam_params new_params;
retval = -EINVAL;
goto out;
}
-
+
buffer = page;
-
- if (down_interruptible(&cam->param_lock))
+
+ if (mutex_lock_interruptible(&cam->param_lock))
return -ERESTARTSYS;
-
+
/*
* Skip over leading whitespace
*/
--count;
++buffer;
}
-
+
memcpy(&new_params, &cam->params, sizeof(struct cam_params));
new_mains = cam->mainsFreq;
-
+
#define MATCH(x) (match(x, &buffer, &count, &find_colon, &retval))
#define VALUE (value(&buffer,&count, &retval))
#define FIRMWARE_VERSION(x,y) (new_params.version.firmwareVersion == (x) && \
- new_params.version.firmwareRevision == (y))
-
+ new_params.version.firmwareRevision == (y))
+
retval = 0;
while (count && !retval) {
find_colon = 1;
}
command_flags |= COMMAND_SETCOLOURPARAMS;
if(new_params.flickerControl.allowableOverExposure < 0)
- new_params.flickerControl.allowableOverExposure =
+ new_params.flickerControl.allowableOverExposure =
-find_over_exposure(new_params.colourParams.brightness);
if(new_params.flickerControl.flickerMode != 0)
command_flags |= COMMAND_SETFLICKERCTRL;
/* Either base rate would work here */
new_params.sensorFps.baserate = 1;
}
- new_params.flickerControl.coarseJump =
+ new_params.flickerControl.coarseJump =
flicker_jumps[new_mains]
[new_params.sensorFps.baserate]
[new_params.sensorFps.divisor];
} else if (MATCH("mains_frequency")) {
if (!retval && MATCH("50")) {
new_mains = 0;
- new_params.flickerControl.coarseJump =
+ new_params.flickerControl.coarseJump =
flicker_jumps[new_mains]
[new_params.sensorFps.baserate]
[new_params.sensorFps.divisor];
command_flags |= COMMAND_SETFLICKERCTRL;
} else if (!retval && MATCH("60")) {
new_mains = 1;
- new_params.flickerControl.coarseJump =
+ new_params.flickerControl.coarseJump =
flicker_jumps[new_mains]
[new_params.sensorFps.baserate]
[new_params.sensorFps.divisor];
retval = -EINVAL;
} else if (MATCH("allowable_overexposure")) {
if (!retval && MATCH("auto")) {
- new_params.flickerControl.allowableOverExposure =
+ new_params.flickerControl.allowableOverExposure =
-find_over_exposure(new_params.colourParams.brightness);
if(new_params.flickerControl.flickerMode != 0)
command_flags |= COMMAND_SETFLICKERCTRL;
command_flags |= COMMAND_SETCOMPRESSION;
} else if (MATCH("compression_target")) {
if (!retval && MATCH("quality"))
- new_params.compressionTarget.frTargeting =
+ new_params.compressionTarget.frTargeting =
CPIA_COMPRESSION_TARGET_QUALITY;
else if (!retval && MATCH("framerate"))
- new_params.compressionTarget.frTargeting =
+ new_params.compressionTarget.frTargeting =
CPIA_COMPRESSION_TARGET_FRAMERATE;
else
retval = -EINVAL;
if (!retval) {
if(val > 0 && val <= 64)
new_params.compressionTarget.targetQ = val;
- else
+ else
retval = -EINVAL;
}
command_flags |= COMMAND_SETCOMPRESSIONTARGET;
}
command_flags |= COMMAND_SETCOMPRESSIONPARAMS;
} else if (MATCH("toplight")) {
- if (!retval && MATCH("on"))
+ if (!retval && MATCH("on"))
new_params.qx3.toplight = 1;
else if (!retval && MATCH("off"))
new_params.qx3.toplight = 0;
- else
+ else
retval = -EINVAL;
command_flags |= COMMAND_SETLIGHTS;
} else if (MATCH("bottomlight")) {
- if (!retval && MATCH("on"))
+ if (!retval && MATCH("on"))
new_params.qx3.bottomlight = 1;
- else if (!retval && MATCH("off"))
+ else if (!retval && MATCH("off"))
new_params.qx3.bottomlight = 0;
- else
+ else
retval = -EINVAL;
command_flags |= COMMAND_SETLIGHTS;
} else {
}
}
}
-#undef MATCH
+#undef MATCH
#undef VALUE
#undef FIRMWARE_VERSION
if (!retval) {
retval = size;
} else
DBG("error: %d\n", retval);
-
- up(&cam->param_lock);
-
+
+ mutex_unlock(&cam->param_lock);
+
out:
free_page((unsigned long)page);
- return retval;
+ return retval;
}
static void create_proc_cpia_cam(struct cam_data *cam)
{
char name[7];
struct proc_dir_entry *ent;
-
+
if (!cpia_proc_root || !cam)
return;
sprintf(name, "video%d", cam->vdev.minor);
-
+
ent = create_proc_entry(name, S_IFREG|S_IRUGO|S_IWUSR, cpia_proc_root);
if (!ent)
return;
ent->data = cam;
ent->read_proc = cpia_read_proc;
ent->write_proc = cpia_write_proc;
- /*
+ /*
size of the proc entry is 3736 bytes for the standard webcam;
- the extra features of the QX3 microscope add 189 bytes.
+ the extra features of the QX3 microscope add 189 bytes.
(we have not yet probed the camera to see which type it is).
*/
ent->size = 3736 + 189;
static void destroy_proc_cpia_cam(struct cam_data *cam)
{
char name[7];
-
+
if (!cam || !cam->proc_entry)
return;
-
+
sprintf(name, "video%d", cam->vdev.minor);
remove_proc_entry(name, cpia_proc_root);
cam->proc_entry = NULL;
static void proc_cpia_create(void)
{
- cpia_proc_root = create_proc_entry("cpia", S_IFDIR, NULL);
+ cpia_proc_root = proc_mkdir("cpia", NULL);
if (cpia_proc_root)
cpia_proc_root->owner = THIS_MODULE;
cam->vc.width = cam->vw.width;
if(cam->vc.height == 0)
cam->vc.height = cam->vw.height;
-
+
cam->params.roi.colStart += cam->vc.x >> 3;
cam->params.roi.colEnd = cam->params.roi.colStart +
- (cam->vc.width >> 3);
+ (cam->vc.width >> 3);
cam->params.roi.rowStart += cam->vc.y >> 2;
cam->params.roi.rowEnd = cam->params.roi.rowStart +
- (cam->vc.height >> 2);
+ (cam->vc.height >> 2);
return;
}
static int free_frame_buf(struct cam_data *cam)
{
int i;
-
+
rvfree(cam->frame_buf, FRAME_NUM*CPIA_MAX_FRAME_SIZE);
cam->frame_buf = NULL;
for (i=0; i < FRAME_NUM; i++)
case CPIA_COMMAND_GetColourParams:
case CPIA_COMMAND_GetColourBalance:
case CPIA_COMMAND_GetExposure:
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
datasize=8;
break;
- case CPIA_COMMAND_ReadMCPorts:
+ case CPIA_COMMAND_ReadMCPorts:
case CPIA_COMMAND_ReadVCRegs:
datasize = 4;
break;
if (command == CPIA_COMMAND_GetColourParams ||
command == CPIA_COMMAND_GetColourBalance ||
command == CPIA_COMMAND_GetExposure)
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
} else {
switch(command) {
case CPIA_COMMAND_GetCPIAVersion:
cam->params.colourParams.brightness = data[0];
cam->params.colourParams.contrast = data[1];
cam->params.colourParams.saturation = data[2];
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
break;
case CPIA_COMMAND_GetColourBalance:
cam->params.colourBalance.redGain = data[0];
cam->params.colourBalance.greenGain = data[1];
cam->params.colourBalance.blueGain = data[2];
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
break;
case CPIA_COMMAND_GetExposure:
cam->params.exposure.gain = data[0];
cam->params.exposure.green1Comp = data[5];
cam->params.exposure.green2Comp = data[6];
cam->params.exposure.blueComp = data[7];
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
break;
- case CPIA_COMMAND_ReadMCPorts:
- if (!cam->params.qx3.qx3_detected)
+ case CPIA_COMMAND_ReadMCPorts:
+ if (!cam->params.qx3.qx3_detected)
break;
- /* test button press */
+ /* test button press */
cam->params.qx3.button = ((data[1] & 0x02) == 0);
if (cam->params.qx3.button) {
/* button pressed - unlock the latch */
/* send a command to the camera with an additional data transaction */
static int do_command_extended(struct cam_data *cam, u16 command,
- u8 a, u8 b, u8 c, u8 d,
- u8 e, u8 f, u8 g, u8 h,
- u8 i, u8 j, u8 k, u8 l)
+ u8 a, u8 b, u8 c, u8 d,
+ u8 e, u8 f, u8 g, u8 h,
+ u8 i, u8 j, u8 k, u8 l)
{
int retval;
u8 cmd[8], data[8];
#define LIMIT(x) ((((x)>0xffffff)?0xff0000:(((x)<=0xffff)?0:(x)&0xff0000))>>16)
static int convert420(unsigned char *yuv, unsigned char *rgb, int out_fmt,
- int linesize, int mmap_kludge)
+ int linesize, int mmap_kludge)
{
int y, u, v, r, g, b, y1;
-
+
/* Odd lines use the same u and v as the previous line.
* Because of compression, it is necessary to get this
* information from the decoded image. */
static int yuvconvert(unsigned char *yuv, unsigned char *rgb, int out_fmt,
- int in_uyvy, int mmap_kludge)
+ int in_uyvy, int mmap_kludge)
{
int y, u, v, r, g, b, y1;
int rows, cols, linesize, subsample_422;
/* make sure params don't change while we are decoding */
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
obuf = cam->decompressed_frame.data;
end_obuf = obuf+CPIA_MAX_FRAME_SIZE;
if ((ibuf[0] != MAGIC_0) || (ibuf[1] != MAGIC_1)) {
LOG("header not found\n");
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
if ((ibuf[16] != VIDEOSIZE_QCIF) && (ibuf[16] != VIDEOSIZE_CIF)) {
LOG("wrong video size\n");
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
-
+
if (ibuf[17] != SUBSAMPLE_420 && ibuf[17] != SUBSAMPLE_422) {
LOG("illegal subtype %d\n",ibuf[17]);
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
subsample_422 = ibuf[17] == SUBSAMPLE_422;
-
+
if (ibuf[18] != YUVORDER_YUYV && ibuf[18] != YUVORDER_UYVY) {
LOG("illegal yuvorder %d\n",ibuf[18]);
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
in_uyvy = ibuf[18] == YUVORDER_UYVY;
-
+
if ((ibuf[24] != cam->params.roi.colStart) ||
(ibuf[25] != cam->params.roi.colEnd) ||
(ibuf[26] != cam->params.roi.rowStart) ||
(ibuf[27] != cam->params.roi.rowEnd)) {
LOG("ROI mismatch\n");
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
cols = 8*(ibuf[25] - ibuf[24]);
rows = 4*(ibuf[27] - ibuf[26]);
-
+
if ((ibuf[28] != NOT_COMPRESSED) && (ibuf[28] != COMPRESSED)) {
LOG("illegal compression %d\n",ibuf[28]);
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
compressed = (ibuf[28] == COMPRESSED);
-
+
if (ibuf[29] != NO_DECIMATION && ibuf[29] != DECIMATION_ENAB) {
LOG("illegal decimation %d\n",ibuf[29]);
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return -1;
}
- decimation = (ibuf[29] == DECIMATION_ENAB);
+ decimation = (ibuf[29] == DECIMATION_ENAB);
cam->params.yuvThreshold.yThreshold = ibuf[30];
cam->params.yuvThreshold.uvThreshold = ibuf[31];
cam->params.status.vpStatus = ibuf[38];
cam->params.status.errorCode = ibuf[39];
cam->fps = ibuf[41];
- up(&cam->param_lock);
-
+ mutex_unlock(&cam->param_lock);
+
linesize = skipcount(cols, out_fmt);
ibuf += FRAME_HEADER_SIZE;
size -= FRAME_HEADER_SIZE;
if (!compressed || (compressed && !(*ibuf & 1))) {
if(subsample_422 || even_line) {
obuf += yuvconvert(ibuf, obuf, out_fmt,
- in_uyvy, cam->mmap_kludge);
+ in_uyvy, cam->mmap_kludge);
ibuf += 4;
ll -= 4;
} else {
/* SUBSAMPLE_420 on an odd line */
obuf += convert420(ibuf, obuf,
- out_fmt, linesize,
- cam->mmap_kludge);
+ out_fmt, linesize,
+ cam->mmap_kludge);
ibuf += 2;
ll -= 2;
}
if ((size > 3) && (ibuf[0] == EOI) && (ibuf[1] == EOI) &&
(ibuf[2] == EOI) && (ibuf[3] == EOI)) {
- size -= 4;
+ size -= 4;
break;
}
return -1;
}
}
-
+
if(decimation) {
/* interpolate odd rows */
int i, j;
static inline int init_stream_cap(struct cam_data *cam)
{
return do_command(cam, CPIA_COMMAND_InitStreamCap,
- 0, cam->params.streamStartLine, 0, 0);
+ 0, cam->params.streamStartLine, 0, 0);
}
int MaxAllowableOverExposure, OverExposure;
MaxAllowableOverExposure = FLICKER_MAX_EXPOSURE - brightness -
- FLICKER_BRIGHTNESS_CONSTANT;
+ FLICKER_BRIGHTNESS_CONSTANT;
if (MaxAllowableOverExposure < FLICKER_ALLOWABLE_OVER_EXPOSURE) {
OverExposure = MaxAllowableOverExposure;
/* update various camera modes and settings */
static void dispatch_commands(struct cam_data *cam)
{
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
if (cam->cmd_queue==COMMAND_NONE) {
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return;
}
DEB_BYTE(cam->cmd_queue);
DEB_BYTE(cam->cmd_queue>>8);
if (cam->cmd_queue & COMMAND_SETFORMAT) {
do_command(cam, CPIA_COMMAND_SetFormat,
- cam->params.format.videoSize,
- cam->params.format.subSample,
- cam->params.format.yuvOrder, 0);
+ cam->params.format.videoSize,
+ cam->params.format.subSample,
+ cam->params.format.yuvOrder, 0);
do_command(cam, CPIA_COMMAND_SetROI,
- cam->params.roi.colStart, cam->params.roi.colEnd,
- cam->params.roi.rowStart, cam->params.roi.rowEnd);
+ cam->params.roi.colStart, cam->params.roi.colEnd,
+ cam->params.roi.rowStart, cam->params.roi.rowEnd);
cam->first_frame = 1;
}
if (cam->cmd_queue & COMMAND_SETCOLOURPARAMS)
do_command(cam, CPIA_COMMAND_SetColourParams,
- cam->params.colourParams.brightness,
- cam->params.colourParams.contrast,
- cam->params.colourParams.saturation, 0);
+ cam->params.colourParams.brightness,
+ cam->params.colourParams.contrast,
+ cam->params.colourParams.saturation, 0);
if (cam->cmd_queue & COMMAND_SETAPCOR)
do_command(cam, CPIA_COMMAND_SetApcor,
- cam->params.apcor.gain1,
- cam->params.apcor.gain2,
- cam->params.apcor.gain4,
- cam->params.apcor.gain8);
+ cam->params.apcor.gain1,
+ cam->params.apcor.gain2,
+ cam->params.apcor.gain4,
+ cam->params.apcor.gain8);
if (cam->cmd_queue & COMMAND_SETVLOFFSET)
do_command(cam, CPIA_COMMAND_SetVLOffset,
- cam->params.vlOffset.gain1,
- cam->params.vlOffset.gain2,
- cam->params.vlOffset.gain4,
- cam->params.vlOffset.gain8);
+ cam->params.vlOffset.gain1,
+ cam->params.vlOffset.gain2,
+ cam->params.vlOffset.gain4,
+ cam->params.vlOffset.gain8);
if (cam->cmd_queue & COMMAND_SETEXPOSURE) {
do_command_extended(cam, CPIA_COMMAND_SetExposure,
- cam->params.exposure.gainMode,
- 1,
- cam->params.exposure.compMode,
- cam->params.exposure.centreWeight,
- cam->params.exposure.gain,
- cam->params.exposure.fineExp,
- cam->params.exposure.coarseExpLo,
- cam->params.exposure.coarseExpHi,
- cam->params.exposure.redComp,
- cam->params.exposure.green1Comp,
- cam->params.exposure.green2Comp,
- cam->params.exposure.blueComp);
+ cam->params.exposure.gainMode,
+ 1,
+ cam->params.exposure.compMode,
+ cam->params.exposure.centreWeight,
+ cam->params.exposure.gain,
+ cam->params.exposure.fineExp,
+ cam->params.exposure.coarseExpLo,
+ cam->params.exposure.coarseExpHi,
+ cam->params.exposure.redComp,
+ cam->params.exposure.green1Comp,
+ cam->params.exposure.green2Comp,
+ cam->params.exposure.blueComp);
if(cam->params.exposure.expMode != 1) {
do_command_extended(cam, CPIA_COMMAND_SetExposure,
- 0,
- cam->params.exposure.expMode,
- 0, 0,
- cam->params.exposure.gain,
- cam->params.exposure.fineExp,
- cam->params.exposure.coarseExpLo,
- cam->params.exposure.coarseExpHi,
- 0, 0, 0, 0);
+ 0,
+ cam->params.exposure.expMode,
+ 0, 0,
+ cam->params.exposure.gain,
+ cam->params.exposure.fineExp,
+ cam->params.exposure.coarseExpLo,
+ cam->params.exposure.coarseExpHi,
+ 0, 0, 0, 0);
}
}
-
+
if (cam->cmd_queue & COMMAND_SETCOLOURBALANCE) {
if (cam->params.colourBalance.balanceMode == 1) {
do_command(cam, CPIA_COMMAND_SetColourBalance,
if (cam->cmd_queue & COMMAND_SETCOMPRESSIONTARGET)
do_command(cam, CPIA_COMMAND_SetCompressionTarget,
- cam->params.compressionTarget.frTargeting,
- cam->params.compressionTarget.targetFR,
- cam->params.compressionTarget.targetQ, 0);
+ cam->params.compressionTarget.frTargeting,
+ cam->params.compressionTarget.targetFR,
+ cam->params.compressionTarget.targetQ, 0);
if (cam->cmd_queue & COMMAND_SETYUVTHRESH)
do_command(cam, CPIA_COMMAND_SetYUVThresh,
- cam->params.yuvThreshold.yThreshold,
- cam->params.yuvThreshold.uvThreshold, 0, 0);
+ cam->params.yuvThreshold.yThreshold,
+ cam->params.yuvThreshold.uvThreshold, 0, 0);
if (cam->cmd_queue & COMMAND_SETCOMPRESSIONPARAMS)
do_command_extended(cam, CPIA_COMMAND_SetCompressionParams,
- 0, 0, 0, 0,
- cam->params.compressionParams.hysteresis,
- cam->params.compressionParams.threshMax,
- cam->params.compressionParams.smallStep,
- cam->params.compressionParams.largeStep,
- cam->params.compressionParams.decimationHysteresis,
- cam->params.compressionParams.frDiffStepThresh,
- cam->params.compressionParams.qDiffStepThresh,
- cam->params.compressionParams.decimationThreshMod);
+ 0, 0, 0, 0,
+ cam->params.compressionParams.hysteresis,
+ cam->params.compressionParams.threshMax,
+ cam->params.compressionParams.smallStep,
+ cam->params.compressionParams.largeStep,
+ cam->params.compressionParams.decimationHysteresis,
+ cam->params.compressionParams.frDiffStepThresh,
+ cam->params.compressionParams.qDiffStepThresh,
+ cam->params.compressionParams.decimationThreshMod);
if (cam->cmd_queue & COMMAND_SETCOMPRESSION)
do_command(cam, CPIA_COMMAND_SetCompression,
- cam->params.compression.mode,
+ cam->params.compression.mode,
cam->params.compression.decimation, 0, 0);
if (cam->cmd_queue & COMMAND_SETSENSORFPS)
do_command(cam, CPIA_COMMAND_SetSensorFPS,
- cam->params.sensorFps.divisor,
- cam->params.sensorFps.baserate, 0, 0);
+ cam->params.sensorFps.divisor,
+ cam->params.sensorFps.baserate, 0, 0);
if (cam->cmd_queue & COMMAND_SETFLICKERCTRL)
do_command(cam, CPIA_COMMAND_SetFlickerCtrl,
- cam->params.flickerControl.flickerMode,
- cam->params.flickerControl.coarseJump,
- abs(cam->params.flickerControl.allowableOverExposure),
- 0);
+ cam->params.flickerControl.flickerMode,
+ cam->params.flickerControl.coarseJump,
+ abs(cam->params.flickerControl.allowableOverExposure),
+ 0);
if (cam->cmd_queue & COMMAND_SETECPTIMING)
do_command(cam, CPIA_COMMAND_SetECPTiming,
- cam->params.ecpTiming, 0, 0, 0);
+ cam->params.ecpTiming, 0, 0, 0);
if (cam->cmd_queue & COMMAND_PAUSE)
do_command(cam, CPIA_COMMAND_EndStreamCap, 0, 0, 0, 0);
if (cam->cmd_queue & COMMAND_SETLIGHTS && cam->params.qx3.qx3_detected)
{
int p1 = (cam->params.qx3.bottomlight == 0) << 1;
- int p2 = (cam->params.qx3.toplight == 0) << 3;
- do_command(cam, CPIA_COMMAND_WriteVCReg, 0x90, 0x8F, 0x50, 0);
- do_command(cam, CPIA_COMMAND_WriteMCPort, 2, 0, (p1|p2|0xE0), 0);
+ int p2 = (cam->params.qx3.toplight == 0) << 3;
+ do_command(cam, CPIA_COMMAND_WriteVCReg, 0x90, 0x8F, 0x50, 0);
+ do_command(cam, CPIA_COMMAND_WriteMCPort, 2, 0, (p1|p2|0xE0), 0);
}
cam->cmd_queue = COMMAND_NONE;
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return;
}
static void set_flicker(struct cam_params *params, volatile u32 *command_flags,
- int on)
+ int on)
{
/* Everything in here is from the Windows driver */
#define FIRMWARE_VERSION(x,y) (params->version.firmwareVersion == (x) && \
- params->version.firmwareRevision == (y))
+ params->version.firmwareRevision == (y))
/* define for compgain calculation */
#if 0
#define COMPGAIN(base, curexp, newexp) \
(u16)(((u32)(curexp * (u8)(curcomp + 128)) / (u8)(basecomp - 128)))
#endif
-
+
int currentexp = params->exposure.coarseExpLo +
params->exposure.coarseExpHi*256;
int startexp;
}
if(FIRMWARE_VERSION(1,2))
params->exposure.compMode = 0;
- else
+ else
params->exposure.compMode = 1;
params->apcor.gain1 = 0x18;
}
#define FIRMWARE_VERSION(x,y) (cam->params.version.firmwareVersion == (x) && \
- cam->params.version.firmwareRevision == (y))
+ cam->params.version.firmwareRevision == (y))
/* monitor the exposure and adjust the sensor frame rate if needed */
static void monitor_exposure(struct cam_data *cam)
{
u8 exp_acc, bcomp, gain, coarseL, cmd[8], data[8];
int retval, light_exp, dark_exp, very_dark_exp;
int old_exposure, new_exposure, framerate;
-
+
/* get necessary stats and register settings from camera */
/* do_command can't handle this, so do it ourselves */
cmd[0] = CPIA_COMMAND_ReadVPRegs>>8;
gain = data[2];
coarseL = data[3];
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
light_exp = cam->params.colourParams.brightness +
- TC - 50 + EXP_ACC_LIGHT;
+ TC - 50 + EXP_ACC_LIGHT;
if(light_exp > 255)
light_exp = 255;
dark_exp = cam->params.colourParams.brightness +
- TC - 50 - EXP_ACC_DARK;
+ TC - 50 - EXP_ACC_DARK;
if(dark_exp < 0)
dark_exp = 0;
very_dark_exp = dark_exp/2;
-
+
old_exposure = cam->params.exposure.coarseExpHi * 256 +
- cam->params.exposure.coarseExpLo;
+ cam->params.exposure.coarseExpLo;
if(!cam->params.flickerControl.disabled) {
/* Flicker control on */
cam->exposure_status = EXPOSURE_NORMAL;
}
}
-
+
framerate = cam->fps;
if(framerate > 30 || framerate < 1)
framerate = 1;
-
+
if(!cam->params.flickerControl.disabled) {
/* Flicker control on */
if((cam->exposure_status == EXPOSURE_VERY_DARK ||
++cam->params.sensorFps.divisor;
cam->cmd_queue |= COMMAND_SETSENSORFPS;
- cam->params.flickerControl.coarseJump =
+ cam->params.flickerControl.coarseJump =
flicker_jumps[cam->mainsFreq]
- [cam->params.sensorFps.baserate]
- [cam->params.sensorFps.divisor];
+ [cam->params.sensorFps.baserate]
+ [cam->params.sensorFps.divisor];
cam->cmd_queue |= COMMAND_SETFLICKERCTRL;
new_exposure = cam->params.flickerControl.coarseJump-1;
cam->params.sensorFps.divisor > 0) {
/* light for too long */
- int max_exp = FIRMWARE_VERSION(1,2) ? MAX_EXP_102 : MAX_EXP ;
+ int max_exp = FIRMWARE_VERSION(1,2) ? MAX_EXP_102 : MAX_EXP ;
--cam->params.sensorFps.divisor;
cam->cmd_queue |= COMMAND_SETSENSORFPS;
- cam->params.flickerControl.coarseJump =
+ cam->params.flickerControl.coarseJump =
flicker_jumps[cam->mainsFreq]
- [cam->params.sensorFps.baserate]
- [cam->params.sensorFps.divisor];
+ [cam->params.sensorFps.baserate]
+ [cam->params.sensorFps.divisor];
cam->cmd_queue |= COMMAND_SETFLICKERCTRL;
new_exposure = cam->params.flickerControl.coarseJump-1;
LOG("Automatically increasing sensor_fps\n");
}
}
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
}
/*-----------------------------------------------------------------*/
It also adjust the colour balance when an exposure step is detected - as
long as flicker is running
-*/
+*/
static void restart_flicker(struct cam_data *cam)
{
int cam_exposure, old_exp;
if(!FIRMWARE_VERSION(1,2))
return;
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
if(cam->params.flickerControl.flickerMode == 0 ||
cam->raw_image[39] == 0) {
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
return;
}
cam_exposure = cam->raw_image[39]*2;
old_exp = cam->params.exposure.coarseExpLo +
- cam->params.exposure.coarseExpHi*256;
- /*
- see how far away camera exposure is from a valid
- flicker exposure value
- */
- cam_exposure %= cam->params.flickerControl.coarseJump;
+ cam->params.exposure.coarseExpHi*256;
+ /*
+ see how far away camera exposure is from a valid
+ flicker exposure value
+ */
+ cam_exposure %= cam->params.flickerControl.coarseJump;
if(!cam->params.flickerControl.disabled &&
- cam_exposure <= cam->params.flickerControl.coarseJump - 3) {
+ cam_exposure <= cam->params.flickerControl.coarseJump - 3) {
/* Flicker control auto-disabled */
cam->params.flickerControl.disabled = 1;
}
-
+
if(cam->params.flickerControl.disabled &&
cam->params.flickerControl.flickerMode &&
old_exp > cam->params.flickerControl.coarseJump +
- ROUND_UP_EXP_FOR_FLICKER) {
+ ROUND_UP_EXP_FOR_FLICKER) {
/* exposure is now high enough to switch
flicker control back on */
set_flicker(&cam->params, &cam->cmd_queue, 1);
cam->exposure_status = EXPOSURE_NORMAL;
}
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
}
#undef FIRMWARE_VERSION
{
/* FIXME: Does this actually work? */
LOG("Clearing stall\n");
-
+
cam->ops->streamRead(cam->lowlevel_data, cam->raw_image, 0);
do_command(cam, CPIA_COMMAND_GetCameraStatus,0,0,0,0);
return cam->params.status.streamState != STREAM_PAUSED;
return -EINTR;
do_command(cam, CPIA_COMMAND_GetCameraStatus,
- 0, 0, 0, 0);
+ 0, 0, 0, 0);
}
if(cam->params.status.streamState != STREAM_READY) {
continue;
/* Switch flicker control back on if it got turned off */
restart_flicker(cam);
-
+
/* If AEC is enabled, monitor the exposure and
adjust the sensor frame rate if needed */
if(cam->params.exposure.expMode == 2)
monitor_exposure(cam);
-
+
/* camera idle now so dispatch queued commands */
dispatch_commands(cam);
/* Update our knowledge of the camera state */
- do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0);
- do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0);
+ do_command(cam, CPIA_COMMAND_GetColourBalance, 0, 0, 0, 0);
+ do_command(cam, CPIA_COMMAND_GetExposure, 0, 0, 0, 0);
do_command(cam, CPIA_COMMAND_ReadMCPorts, 0, 0, 0, 0);
/* decompress and convert image to by copying it from
uncompressed. */
cam->first_frame = 1;
do_command(cam, CPIA_COMMAND_SetGrabMode,
- CPIA_GRAB_SINGLE, 0, 0, 0);
+ CPIA_GRAB_SINGLE, 0, 0, 0);
/* FIXME: Trial & error - need up to 70ms for
the grab mode change to complete ? */
msleep_interruptible(70);
if (cam->first_frame) {
cam->first_frame = 0;
do_command(cam, CPIA_COMMAND_SetCompression,
- cam->params.compression.mode,
+ cam->params.compression.mode,
cam->params.compression.decimation, 0, 0);
/* Switch from single-grab to continuous grab */
do_command(cam, CPIA_COMMAND_SetGrabMode,
- CPIA_GRAB_CONTINUOUS, 0, 0, 0);
+ CPIA_GRAB_CONTINUOUS, 0, 0, 0);
}
return 0;
}
if ((err = allocate_frame_buf(cam)))
return err;
}
-
+
cam->curframe = vm->frame;
cam->frame[cam->curframe].state = FRAME_READY;
return fetch_frame(cam);
}
-
+
static int goto_high_power(struct cam_data *cam)
{
if (do_command(cam, CPIA_COMMAND_GotoHiPower, 0, 0, 0, 0))
static int set_camera_state(struct cam_data *cam)
{
cam->cmd_queue = COMMAND_SETCOMPRESSION |
- COMMAND_SETCOMPRESSIONTARGET |
- COMMAND_SETCOLOURPARAMS |
- COMMAND_SETFORMAT |
- COMMAND_SETYUVTHRESH |
- COMMAND_SETECPTIMING |
- COMMAND_SETCOMPRESSIONPARAMS |
- COMMAND_SETEXPOSURE |
- COMMAND_SETCOLOURBALANCE |
- COMMAND_SETSENSORFPS |
- COMMAND_SETAPCOR |
- COMMAND_SETFLICKERCTRL |
- COMMAND_SETVLOFFSET;
+ COMMAND_SETCOMPRESSIONTARGET |
+ COMMAND_SETCOLOURPARAMS |
+ COMMAND_SETFORMAT |
+ COMMAND_SETYUVTHRESH |
+ COMMAND_SETECPTIMING |
+ COMMAND_SETCOMPRESSIONPARAMS |
+ COMMAND_SETEXPOSURE |
+ COMMAND_SETCOLOURBALANCE |
+ COMMAND_SETSENSORFPS |
+ COMMAND_SETAPCOR |
+ COMMAND_SETFLICKERCTRL |
+ COMMAND_SETVLOFFSET;
do_command(cam, CPIA_COMMAND_SetGrabMode, CPIA_GRAB_SINGLE,0,0,0);
dispatch_commands(cam);
-
+
/* Wait 6 frames for the sensor to get all settings and
AEC/ACB to settle */
msleep_interruptible(6*(cam->params.sensorFps.baserate ? 33 : 40) *
if(signal_pending(current))
return -EINTR;
-
+
save_camera_state(cam);
return 0;
if (goto_low_power(cam))
return -ENODEV;
}
-
+
/* procedure described in developer's guide p3-28 */
-
+
/* Check the firmware version. */
cam->params.version.firmwareVersion = 0;
get_version_information(cam);
cam->params.qx3.qx3_detected = (cam->params.pnpID.vendor == 0x0813 &&
cam->params.pnpID.product == 0x0001);
- /* The fatal error checking should be done after
+ /* The fatal error checking should be done after
* the camera powers up (developer's guide p 3-38) */
/* Set streamState before transition to high power to avoid bug
* in firmware 1-02 */
do_command(cam, CPIA_COMMAND_ModifyCameraStatus, STREAMSTATE, 0,
- STREAM_NOT_READY, 0);
-
+ STREAM_NOT_READY, 0);
+
/* GotoHiPower */
err = goto_high_power(cam);
if (err)
/* Firmware 1-02 may do this for parallel port cameras,
* just clear the flags (developer's guide p 3-38) */
do_command(cam, CPIA_COMMAND_ModifyCameraStatus,
- FATALERROR, ~(COM_FLAG|CPIA_FLAG), 0, 0);
+ FATALERROR, ~(COM_FLAG|CPIA_FLAG), 0, 0);
}
}
-
+
/* Check the camera status again */
if (cam->params.status.fatalError) {
if (cam->params.status.fatalError)
return -EIO;
}
-
+
/* VPVersion can't be retrieved before the camera is in HiPower,
* so get it here instead of in get_version_information. */
do_command(cam, CPIA_COMMAND_GetVPVersion, 0, 0, 0, 0);
if (!try_module_get(cam->ops->owner))
return -ENODEV;
- down(&cam->busy_lock);
+ mutex_lock(&cam->busy_lock);
err = -ENOMEM;
if (!cam->raw_image) {
cam->raw_image = rvmalloc(CPIA_MAX_IMAGE_SIZE);
if (!cam->raw_image)
goto oops;
}
-
+
if (!cam->decompressed_frame.data) {
cam->decompressed_frame.data = rvmalloc(CPIA_MAX_FRAME_SIZE);
if (!cam->decompressed_frame.data)
goto oops;
}
-
+
/* open cpia */
err = -ENODEV;
if (cam->ops->open(cam->lowlevel_data))
goto oops;
-
+
/* reset the camera */
if ((err = reset_camera(cam)) != 0) {
cam->ops->close(cam->lowlevel_data);
goto oops;
}
-
+
err = -EINTR;
if(signal_pending(current))
goto oops;
/* init it to something */
cam->mmap_kludge = 0;
-
+
++cam->open_count;
file->private_data = dev;
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return 0;
oops:
rvfree(cam->raw_image, CPIA_MAX_IMAGE_SIZE);
cam->raw_image = NULL;
}
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
put_cam(cam->ops);
return err;
}
struct cam_data *cam = dev->priv;
if (cam->ops) {
- /* Return ownership of /proc/cpia/videoX to root */
+ /* Return ownership of /proc/cpia/videoX to root */
if(cam->proc_entry)
cam->proc_entry->uid = 0;
-
+
/* save camera state for later open (developers guide ch 3.5.3) */
save_camera_state(cam);
int err;
/* make this _really_ smp and multithread-safe */
- if (down_interruptible(&cam->busy_lock))
+ if (mutex_lock_interruptible(&cam->busy_lock))
return -EINTR;
if (!buf) {
DBG("buf NULL\n");
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return -EINVAL;
}
if (!count) {
DBG("count 0\n");
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return 0;
}
if (!cam->ops) {
DBG("ops NULL\n");
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return -ENODEV;
}
cam->mmap_kludge=0;
if((err = fetch_frame(cam)) != 0) {
DBG("ERROR from fetch_frame: %d\n", err);
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return err;
}
cam->decompressed_frame.state = FRAME_UNUSED;
if (cam->decompressed_frame.count > count) {
DBG("count wrong: %d, %lu\n", cam->decompressed_frame.count,
(unsigned long) count);
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return -EFAULT;
}
if (copy_to_user(buf, cam->decompressed_frame.data,
- cam->decompressed_frame.count)) {
+ cam->decompressed_frame.count)) {
DBG("copy_to_user failed\n");
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return -EFAULT;
}
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return cam->decompressed_frame.count;
}
if (!cam || !cam->ops)
return -ENODEV;
-
+
/* make this _really_ smp-safe */
- if (down_interruptible(&cam->busy_lock))
+ if (mutex_lock_interruptible(&cam->busy_lock))
return -EINTR;
//DBG("cpia_ioctl: %u\n", ioctlnr);
switch (ioctlnr) {
- /* query capabilites */
+ /* query capabilities */
case VIDIOCGCAP:
{
struct video_capability *b = arg;
v->norm = 0;
break;
}
-
+
case VIDIOCSCHAN:
{
struct video_channel *v = arg;
*pic = cam->vp;
break;
}
-
+
case VIDIOCSPICT:
{
struct video_picture *vp = arg;
break;
}
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
/* brightness, colour, contrast need no check 0-65535 */
cam->vp = *vp;
/* update cam->params.colourParams */
/* Adjust flicker control if necessary */
if(cam->params.flickerControl.allowableOverExposure < 0)
- cam->params.flickerControl.allowableOverExposure =
+ cam->params.flickerControl.allowableOverExposure =
-find_over_exposure(cam->params.colourParams.brightness);
if(cam->params.flickerControl.flickerMode != 0)
cam->cmd_queue |= COMMAND_SETFLICKERCTRL;
-
+
/* queue command to update camera */
cam->cmd_queue |= COMMAND_SETCOLOURPARAMS;
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
DBG("VIDIOCSPICT: %d / %d // %d / %d / %d / %d\n",
vp->depth, vp->palette, vp->brightness, vp->hue, vp->colour,
vp->contrast);
*vw = cam->vw;
break;
}
-
+
case VIDIOCSWIN:
{
/* copy_from_user, check validity, copy to internal structure */
/* we set the video window to something smaller or equal to what
* is requested by the user???
*/
- down(&cam->param_lock);
+ mutex_lock(&cam->param_lock);
if (vw->width != cam->vw.width || vw->height != cam->vw.height) {
int video_size = match_videosize(vw->width, vw->height);
if (video_size < 0) {
retval = -EINVAL;
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
break;
}
cam->video_size = video_size;
/* video size is changing, reset the subcapture area */
memset(&cam->vc, 0, sizeof(cam->vc));
-
+
set_vw_size(cam);
DBG("%d / %d\n", cam->vw.width, cam->vw.height);
cam->cmd_queue |= COMMAND_SETFORMAT;
}
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
/* setformat ignored by camera during streaming,
* so stop/dispatch/start */
vm->offsets[i] = CPIA_MAX_FRAME_SIZE * i;
break;
}
-
+
case VIDIOCMCAPTURE:
{
struct video_mmap *vm = arg;
/* video size is changing, reset the subcapture area */
memset(&cam->vc, 0, sizeof(cam->vc));
-
+
set_vw_size(cam);
cam->cmd_queue |= COMMAND_SETFORMAT;
dispatch_commands(cam);
break;
}
-
+
case VIDIOCSYNC:
{
int *frame = arg;
*vc = cam->vc;
break;
- }
+ }
case VIDIOCSCAPTURE:
{
retval = -EINVAL;
break;
}
-
+
/* Clip to the resolution we can set for the ROI
(every 8 columns and 4 rows) */
vc->x = vc->x & ~(__u32)7;
}
DBG("%d,%d/%dx%d\n", vc->x,vc->y,vc->width, vc->height);
-
- down(&cam->param_lock);
-
+
+ mutex_lock(&cam->param_lock);
+
cam->vc.x = vc->x;
cam->vc.y = vc->y;
cam->vc.width = vc->width;
cam->vc.height = vc->height;
-
+
set_vw_size(cam);
cam->cmd_queue |= COMMAND_SETFORMAT;
- up(&cam->param_lock);
+ mutex_unlock(&cam->param_lock);
/* setformat ignored by camera during streaming,
* so stop/dispatch/start */
dispatch_commands(cam);
break;
}
-
+
case VIDIOCGUNIT:
{
struct video_unit *vu = arg;
break;
}
-
+
/* pointless to implement overlay with this camera */
case VIDIOCCAPTURE:
case VIDIOCGFBUF:
break;
}
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return retval;
-}
+}
static int cpia_ioctl(struct inode *inode, struct file *file,
unsigned int cmd, unsigned long arg)
if (!cam || !cam->ops)
return -ENODEV;
-
+
DBG("cpia_mmap: %ld\n", size);
if (size > FRAME_NUM*CPIA_MAX_FRAME_SIZE)
if (!cam || !cam->ops)
return -ENODEV;
-
+
/* make this _really_ smp-safe */
- if (down_interruptible(&cam->busy_lock))
+ if (mutex_lock_interruptible(&cam->busy_lock))
return -EINTR;
if (!cam->frame_buf) { /* we do lazy allocation */
if ((retval = allocate_frame_buf(cam))) {
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return retval;
}
}
while (size > 0) {
page = vmalloc_to_pfn((void *)pos);
if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) {
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return -EAGAIN;
}
start += PAGE_SIZE;
}
DBG("cpia_mmap: %ld\n", size);
- up(&cam->busy_lock);
+ mutex_unlock(&cam->busy_lock);
return 0;
}
.read = cpia_read,
.mmap = cpia_mmap,
.ioctl = cpia_ioctl,
+ .compat_ioctl = v4l_compat_ioctl32,
.llseek = no_llseek,
};
cam->params.flickerControl.flickerMode = 0;
cam->params.flickerControl.disabled = 1;
- cam->params.flickerControl.coarseJump =
+ cam->params.flickerControl.coarseJump =
flicker_jumps[cam->mainsFreq]
- [cam->params.sensorFps.baserate]
- [cam->params.sensorFps.divisor];
- cam->params.flickerControl.allowableOverExposure =
+ [cam->params.sensorFps.baserate]
+ [cam->params.sensorFps.divisor];
+ cam->params.flickerControl.allowableOverExposure =
-find_over_exposure(cam->params.colourParams.brightness);
cam->params.vlOffset.gain1 = 20;
cam->params.vlOffset.gain2 = 24;
cam->params.compressionParams.qDiffStepThresh = 3;
cam->params.compressionParams.decimationThreshMod = 2;
/* End of default values from Software Developer's Guide */
-
+
cam->transfer_rate = 0;
cam->exposure_status = EXPOSURE_NORMAL;
-
+
/* Set Sensor FPS to 15fps. This seems better than 30fps
* for indoor lighting. */
cam->params.sensorFps.divisor = 1;
cam->params.sensorFps.baserate = 1;
-
+
cam->params.yuvThreshold.yThreshold = 6; /* From windows driver */
cam->params.yuvThreshold.uvThreshold = 6; /* From windows driver */
-
+
cam->params.format.subSample = SUBSAMPLE_422;
cam->params.format.yuvOrder = YUVORDER_YUYV;
-
+
cam->params.compression.mode = CPIA_COMPRESSION_AUTO;
cam->params.compressionTarget.frTargeting =
CPIA_COMPRESSION_TARGET_QUALITY;
cam->params.qx3.cradled = 0;
cam->video_size = VIDEOSIZE_CIF;
-
+
cam->vp.colour = 32768; /* 50% */
cam->vp.hue = 32768; /* 50% */
cam->vp.brightness = 32768; /* 50% */
cam->vc.y = 0;
cam->vc.width = 0;
cam->vc.height = 0;
-
+
cam->vw.x = 0;
cam->vw.y = 0;
set_vw_size(cam);
/* initialize cam_data structure */
static void init_camera_struct(struct cam_data *cam,
- struct cpia_camera_ops *ops )
+ struct cpia_camera_ops *ops )
{
int i;
memset(cam, 0, sizeof(struct cam_data));
cam->ops = ops;
- init_MUTEX(&cam->param_lock);
- init_MUTEX(&cam->busy_lock);
+ mutex_init(&cam->param_lock);
+ mutex_init(&cam->busy_lock);
reset_camera_struct(cam);
memcpy(&cam->vdev, &cpia_template, sizeof(cpia_template));
cam->vdev.priv = cam;
-
+
cam->curframe = 0;
for (i = 0; i < FRAME_NUM; i++) {
cam->frame[i].width = 0;
struct cam_data *cpia_register_camera(struct cpia_camera_ops *ops, void *lowlevel)
{
- struct cam_data *camera;
-
+ struct cam_data *camera;
+
if ((camera = kmalloc(sizeof(struct cam_data), GFP_KERNEL)) == NULL)
return NULL;
-
+
init_camera_struct( camera, ops );
camera->lowlevel_data = lowlevel;
-
+
/* register v4l device */
if (video_register_device(&camera->vdev, VFL_TYPE_GRABBER, video_nr) == -1) {
kfree(camera);
/* open cpia */
if (camera->ops->open(camera->lowlevel_data))
return camera;
-
+
/* reset the camera */
if (reset_camera(camera) != 0) {
camera->ops->close(camera->lowlevel_data);
DBG("camera open -- setting ops to NULL\n");
cam->ops = NULL;
}
-
+
#ifdef CONFIG_PROC_FS
DBG("destroying /proc/cpia/video%d\n", cam->vdev.minor);
destroy_proc_cpia_cam(cam);
-#endif
+#endif
if (!cam->open_count) {
DBG("freeing camera\n");
kfree(cam);
"allowed, it is disabled by default now. Users should fix the "
"applications in case they don't work without conversion "
"reenabled by setting the 'colorspace_conv' module "
- "parameter to 1");
+ "parameter to 1\n");
#ifdef CONFIG_PROC_FS
proc_cpia_create();
git://git.onelab.eu / linux-2.6.git / blobdiff