/*
Changes
- 2001/08/03 Alvarado Added methods for changing white balance and
- red/green gains
+ 2001/08/03 Alvarado Added methods for changing white balance and
+ red/green gains
*/
/* Control functions for the cam; brightness, contrast, video mode, etc. */
#ifdef __KERNEL__
-#include <asm/uaccess.h>
+#include <asm/uaccess.h>
#endif
#include <asm/errno.h>
-
+#include <linux/version.h>
+
#include "pwc.h"
#include "pwc-ioctl.h"
#include "pwc-uncompress.h"
"SIF",
"CIF",
"VGA",
-};
+};
/********/
-/* Entries for the Nala (645/646) camera; the Nala doesn't have compression
+/* Entries for the Nala (645/646) camera; the Nala doesn't have compression
preferences, so you either get compressed or non-compressed streams.
-
+
An alternate value of 0 means this mode is not available at all.
*/
{ /* closest match of framerate */
0, 0, 0, 0, 4, /* 0-4 */
5, 5, 7, 7, 10, /* 5-9 */
- 10, 10, 12, 12, 15, /* 10-14 */
- 15, 15, 15, 20, 20, /* 15-19 */
- 20, 20, 20, 24, 24, /* 20-24 */
- 24, 24, 24, 24, 24, /* 25-29 */
- 24 /* 30 */
+ 10, 10, 12, 12, 15, /* 10-14 */
+ 15, 15, 15, 20, 20, /* 15-19 */
+ 20, 20, 20, 24, 24, /* 20-24 */
+ 24, 24, 24, 24, 24, /* 25-29 */
+ 24 /* 30 */
};
- int frames2table[31] =
+ int frames2table[31] =
{ 0, 0, 0, 0, 0, /* 0-4 */
1, 1, 1, 2, 2, /* 5-9 */
3, 3, 4, 4, 4, /* 10-14 */
7, 7, 7, 7, 7, /* 25-29 */
7 /* 30 */
};
-
+
if (size < 0 || size > PSZ_CIF || frames < 4 || frames > 25)
return -EINVAL;
frames = frames2frames[frames];
if (pEntry->compressed)
return -ENOENT; /* Not supported. */
- memcpy(buf, pEntry->mode, 3);
+ memcpy(buf, pEntry->mode, 3);
ret = send_video_command(pdev->udev, pdev->vendpoint, buf, 3);
if (ret < 0) {
Debug("Failed to send video command... %d\n", ret);
break;
}
}
-
+
pdev->cmd_len = 3;
memcpy(pdev->cmd_buf, buf, 3);
/* special case: VGA @ 5 fps and snapshot is raw bayer mode */
if (size == PSZ_VGA && frames == 5 && snapshot)
{
- /* Only available in case the raw palette is selected or
- we have the decompressor available. This mode is
- only available in compressed form
+ /* Only available in case the raw palette is selected or
+ we have the decompressor available. This mode is
+ only available in compressed form
*/
if (pdev->vpalette == VIDEO_PALETTE_RAW)
{
- Info("Choosing VGA/5 BAYER mode (%d).\n", pdev->vpalette);
+ Info("Choosing VGA/5 BAYER mode (%d).\n", pdev->vpalette);
pChoose = &RawEntry;
}
else
}
else
{
- /* Find a supported framerate with progressively higher compression ratios
+ /* Find a supported framerate with progressively higher compression ratios
if the preferred ratio is not available.
- Skip this step when using RAW modes.
+ Skip this step when using RAW modes.
*/
while (compression <= 3) {
pChoose = &Kiara_table[size][fps][compression];
return -ENOENT; /* Not supported. */
Debug("Using alternate setting %d.\n", pChoose->alternate);
-
+
/* usb_control_msg won't take staticly allocated arrays as argument?? */
memcpy(buf, pChoose->mode, 12);
if (snapshot)
*/
int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot)
{
- int ret, size;
+ int ret, size;
- Trace(TRACE_FLOW, "set_video_mode(%dx%d @ %d, palette %d).\n", width, height, frames, pdev->vpalette);
+ Trace(TRACE_FLOW, "set_video_mode(%dx%d @ %d, palette %d).\n", width, height, frames, pdev->vpalette);
size = pwc_decode_size(pdev, width, height);
if (size < 0) {
Debug("Could not find suitable size.\n");
}
Debug("decode_size = %d.\n", size);
- ret = -EINVAL;
+ ret = -EINVAL;
switch(pdev->type) {
case 645:
case 646:
case 690:
ret = set_video_mode_Timon(pdev, size, frames, compression, snapshot);
break;
-
+
case 720:
case 730:
case 740:
char buf;
int ret;
- ret = RecvControlMsg(GET_LUM_CTL, BRIGHTNESS_FORMATTER, 1);
+ ret = RecvControlMsg(GET_LUM_CTL, BRIGHTNESS_FORMATTER, 1);
if (ret < 0)
return ret;
return buf << 9;
{
char buf;
int ret;
-
+
ret = RecvControlMsg(GET_LUM_CTL, GAMMA_FORMATTER, 1);
if (ret < 0)
return ret;
{
char buf;
int ret;
-
+
if (mode)
buf = 0x0; /* auto */
else
buf = 0xff; /* fixed */
ret = SendControlMsg(SET_LUM_CTL, AGC_MODE_FORMATTER, 1);
-
+
if (!mode && ret >= 0) {
if (value < 0)
value = 0;
{
unsigned char buf;
int ret;
-
+
ret = RecvControlMsg(GET_LUM_CTL, AGC_MODE_FORMATTER, 1);
if (ret < 0)
return ret;
return ret;
if (buf > 0x3F)
buf = 0x3F;
- *value = (buf << 10);
+ *value = (buf << 10);
}
else { /* auto */
ret = RecvControlMsg(GET_STATUS_CTL, READ_AGC_FORMATTER, 1);
buf[0] = 0x0; /* auto */
else
buf[0] = 0xff; /* fixed */
-
+
ret = SendControlMsg(SET_LUM_CTL, SHUTTER_MODE_FORMATTER, 1);
if (!mode && ret >= 0) {
ret = SendControlMsg(SET_LUM_CTL, PRESET_SHUTTER_FORMATTER, 2);
}
return ret;
-}
+}
/* POWER */
* 02: fluorescent lighting
* 03: manual
* 04: auto
- */
+ */
static inline int pwc_set_awb(struct pwc_device *pdev, int mode)
{
char buf;
int ret;
-
+
if (mode < 0)
mode = 0;
-
+
if (mode > 4)
mode = 4;
-
+
buf = mode & 0x07; /* just the lowest three bits */
-
+
ret = SendControlMsg(SET_CHROM_CTL, WB_MODE_FORMATTER, 1);
-
+
if (ret < 0)
return ret;
return 0;
{
unsigned char buf;
int ret;
-
+
ret = RecvControlMsg(GET_CHROM_CTL, WB_MODE_FORMATTER, 1);
- if (ret < 0)
+ if (ret < 0)
return ret;
return buf;
}
static inline int pwc_set_red_gain(struct pwc_device *pdev, int value)
{
- unsigned char buf;
+ unsigned char buf;
if (value < 0)
value = 0;
{
unsigned char buf;
int ret;
-
+
ret = RecvControlMsg(GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER, 1);
if (ret < 0)
return ret;
{
unsigned char buf;
int ret;
-
+
ret = RecvControlMsg(GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER, 1);
if (ret < 0)
return ret;
/* The following two functions are different, since they only read the
- internal red/blue gains, which may be different from the manual
+ internal red/blue gains, which may be different from the manual
gains set or read above.
- */
+ */
static inline int pwc_read_red_gain(struct pwc_device *pdev, int *value)
{
unsigned char buf;
int ret;
-
+
ret = RecvControlMsg(GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, 1);
if (ret < 0)
return ret;
{
unsigned char buf;
int ret;
-
+
ret = RecvControlMsg(GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, 1);
if (ret < 0)
return ret;
static inline int pwc_set_wb_speed(struct pwc_device *pdev, int speed)
{
unsigned char buf;
-
+
/* useful range is 0x01..0x20 */
buf = speed / 0x7f0;
return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, 1);
{
unsigned char buf;
int ret;
-
+
ret = RecvControlMsg(GET_CHROM_CTL, AWB_CONTROL_SPEED_FORMATTER, 1);
if (ret < 0)
return ret;
static inline int pwc_set_wb_delay(struct pwc_device *pdev, int delay)
{
unsigned char buf;
-
+
/* useful range is 0x01..0x3F */
buf = (delay >> 10);
return SendControlMsg(SET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, 1);
{
unsigned char buf;
int ret;
-
+
ret = RecvControlMsg(GET_CHROM_CTL, AWB_CONTROL_DELAY_FORMATTER, 1);
if (ret < 0)
return ret;
{
unsigned char buf[2];
int ret;
-
+
if (pdev->type < 730) {
*on_value = -1;
*off_value = -1;
{
unsigned char buf;
int ret;
-
+
if (contour < 0)
buf = 0xff; /* auto contour on */
else
ret = SendControlMsg(SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1);
if (ret < 0)
return ret;
-
+
if (contour < 0)
return 0;
if (contour > 0xffff)
contour = 0xffff;
-
+
buf = (contour >> 10); /* contour preset is [0..3f] */
ret = SendControlMsg(SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1);
- if (ret < 0)
- return ret;
+ if (ret < 0)
+ return ret;
return 0;
}
{
unsigned char buf;
int ret;
-
+
ret = RecvControlMsg(GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, 1);
if (ret < 0)
return ret;
if (buf == 0) {
/* auto mode off, query current preset value */
ret = RecvControlMsg(GET_LUM_CTL, PRESET_CONTOUR_FORMATTER, 1);
- if (ret < 0)
+ if (ret < 0)
return ret;
*contour = buf << 10;
}
static inline int pwc_set_backlight(struct pwc_device *pdev, int backlight)
{
unsigned char buf;
-
+
if (backlight)
buf = 0xff;
else
{
int ret;
unsigned char buf;
-
+
ret = RecvControlMsg(GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER, 1);
if (ret < 0)
return ret;
static inline int pwc_set_flicker(struct pwc_device *pdev, int flicker)
{
unsigned char buf;
-
+
if (flicker)
buf = 0xff;
else
{
int ret;
unsigned char buf;
-
+
ret = RecvControlMsg(GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, 1);
if (ret < 0)
return ret;
{
int ret;
unsigned char buf;
-
+
ret = RecvControlMsg(GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER, 1);
if (ret < 0)
return ret;
static int pwc_mpt_reset(struct pwc_device *pdev, int flags)
{
unsigned char buf;
-
+
buf = flags & 0x03; // only lower two bits are currently used
return SendControlMsg(SET_MPT_CTL, PT_RESET_CONTROL_FORMATTER, 1);
}
static inline int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt)
{
unsigned char buf[4];
-
+
/* set new relative angle; angles are expressed in degrees * 100,
but cam as .5 degree resolution, hence divide by 200. Also
the angle must be multiplied by 64 before it's send to
{
int ret;
unsigned char buf[5];
-
+
ret = RecvControlMsg(GET_MPT_CTL, PT_STATUS_FORMATTER, 5);
if (ret < 0)
return ret;
{
unsigned char buf;
int ret = -1, request;
-
+
if (pdev->type < 675)
request = SENSOR_TYPE_FORMATTER1;
else if (pdev->type < 730)
return -1; /* The Vesta series doesn't have this call */
else
request = SENSOR_TYPE_FORMATTER2;
-
+
ret = RecvControlMsg(GET_STATUS_CTL, request, 1);
if (ret < 0)
return ret;
ret = -EINVAL;
break;
}
-
+
case VIDIOCPWCSUSER:
{
if (pwc_save_user(pdev))
ret = -EINVAL;
break;
}
-
+
case VIDIOCPWCFACTORY:
{
if (pwc_restore_factory(pdev))
ret = -EINVAL;
break;
}
-
+
case VIDIOCPWCSCQUAL:
- {
+ {
int *qual = arg;
if (*qual < 0 || *qual > 3)
pdev->vcompression = *qual;
break;
}
-
+
case VIDIOCPWCGCQUAL:
{
int *qual = arg;
*qual = pdev->vcompression;
break;
}
-
+
case VIDIOCPWCPROBE:
{
struct pwc_probe *probe = arg;
ret = -EINVAL;
break;
}
-
+
case VIDIOCPWCGAGC:
{
int *agc = arg;
-
+
if (pwc_get_agc(pdev, agc))
ret = -EINVAL;
break;
}
-
+
case VIDIOCPWCSSHUTTER:
{
int *shutter_speed = arg;
ret = pwc_set_shutter_speed(pdev, *shutter_speed < 0 ? 1 : 0, *shutter_speed);
break;
}
-
- case VIDIOCPWCSAWB:
+
+ case VIDIOCPWCSAWB:
{
struct pwc_whitebalance *wb = arg;
-
+
ret = pwc_set_awb(pdev, wb->mode);
if (ret >= 0 && wb->mode == PWC_WB_MANUAL) {
pwc_set_red_gain(pdev, wb->manual_red);
ret = pwc_read_red_gain(pdev, &wb->read_red);
if (ret < 0)
break;
- ret = pwc_read_blue_gain(pdev, &wb->read_blue);
- if (ret < 0)
- break;
+ ret = pwc_read_blue_gain(pdev, &wb->read_blue);
+ if (ret < 0)
+ break;
}
}
break;
}
-
+
case VIDIOCPWCSAWBSPEED:
{
struct pwc_wb_speed *wbs = arg;
-
+
if (wbs->control_speed > 0) {
ret = pwc_set_wb_speed(pdev, wbs->control_speed);
}
}
break;
}
-
+
case VIDIOCPWCGAWBSPEED:
{
struct pwc_wb_speed *wbs = arg;
-
+
ret = pwc_get_wb_speed(pdev, &wbs->control_speed);
if (ret < 0)
break;
break;
}
- case VIDIOCPWCSLED:
+ case VIDIOCPWCSLED:
{
struct pwc_leds *leds = arg;
ret = pwc_set_leds(pdev, leds->led_on, leds->led_off);
ret = pwc_set_contour(pdev, *contour);
break;
}
-
+
case VIDIOCPWCGCONTOUR:
{
int *contour = arg;
ret = pwc_get_contour(pdev, contour);
break;
}
-
+
case VIDIOCPWCSBACKLIGHT:
{
int *backlight = arg;
ret = pwc_get_backlight(pdev, backlight);
break;
}
-
+
case VIDIOCPWCSFLICKER:
{
int *flicker = arg;
ret = pwc_get_flicker(pdev, flicker);
break;
}
-
+
case VIDIOCPWCSDYNNOISE:
{
int *dynnoise = arg;
ret = pwc_set_dynamic_noise(pdev, *dynnoise);
break;
}
-
+
case VIDIOCPWCGDYNNOISE:
{
int *dynnoise = arg;
size->width = pdev->image.x;
size->height = pdev->image.y;
break;
- }
-
- case VIDIOCPWCMPTRESET:
- {
- if (pdev->features & FEATURE_MOTOR_PANTILT)
- {
- int *flags = arg;
+ }
+
+ case VIDIOCPWCMPTRESET:
+ {
+ if (pdev->features & FEATURE_MOTOR_PANTILT)
+ {
+ int *flags = arg;
ret = pwc_mpt_reset(pdev, *flags);
- if (ret >= 0)
- {
- pdev->pan_angle = 0;
- pdev->tilt_angle = 0;
- }
- }
- else
- {
- ret = -ENXIO;
- }
- break;
- }
-
- case VIDIOCPWCMPTGRANGE:
- {
- if (pdev->features & FEATURE_MOTOR_PANTILT)
- {
- struct pwc_mpt_range *range = arg;
- *range = pdev->angle_range;
- }
- else
- {
- ret = -ENXIO;
- }
- break;
- }
-
- case VIDIOCPWCMPTSANGLE:
- {
- int new_pan, new_tilt;
-
- if (pdev->features & FEATURE_MOTOR_PANTILT)
- {
- struct pwc_mpt_angles *angles = arg;
+ if (ret >= 0)
+ {
+ pdev->pan_angle = 0;
+ pdev->tilt_angle = 0;
+ }
+ }
+ else
+ {
+ ret = -ENXIO;
+ }
+ break;
+ }
+
+ case VIDIOCPWCMPTGRANGE:
+ {
+ if (pdev->features & FEATURE_MOTOR_PANTILT)
+ {
+ struct pwc_mpt_range *range = arg;
+ *range = pdev->angle_range;
+ }
+ else
+ {
+ ret = -ENXIO;
+ }
+ break;
+ }
+
+ case VIDIOCPWCMPTSANGLE:
+ {
+ int new_pan, new_tilt;
+
+ if (pdev->features & FEATURE_MOTOR_PANTILT)
+ {
+ struct pwc_mpt_angles *angles = arg;
/* The camera can only set relative angles, so
do some calculations when getting an absolute angle .
*/
if (angles->absolute)
{
- new_pan = angles->pan;
- new_tilt = angles->tilt;
- }
- else
- {
- new_pan = pdev->pan_angle + angles->pan;
- new_tilt = pdev->tilt_angle + angles->tilt;
+ new_pan = angles->pan;
+ new_tilt = angles->tilt;
+ }
+ else
+ {
+ new_pan = pdev->pan_angle + angles->pan;
+ new_tilt = pdev->tilt_angle + angles->tilt;
}
/* check absolute ranges */
if (new_pan < pdev->angle_range.pan_min ||
pdev->tilt_angle += new_tilt;
}
if (ret == -EPIPE) /* stall -> out of range */
- ret = -ERANGE;
+ ret = -ERANGE;
}
- }
- else
- {
- ret = -ENXIO;
- }
- break;
- }
-
- case VIDIOCPWCMPTGANGLE:
- {
-
- if (pdev->features & FEATURE_MOTOR_PANTILT)
- {
- struct pwc_mpt_angles *angles = arg;
-
- angles->absolute = 1;
- angles->pan = pdev->pan_angle;
- angles->tilt = pdev->tilt_angle;
- }
- else
- {
- ret = -ENXIO;
- }
- break;
- }
-
- case VIDIOCPWCMPTSTATUS:
- {
- if (pdev->features & FEATURE_MOTOR_PANTILT)
- {
- struct pwc_mpt_status *status = arg;
- ret = pwc_mpt_get_status(pdev, status);
- }
- else
- {
- ret = -ENXIO;
- }
- break;
+ }
+ else
+ {
+ ret = -ENXIO;
+ }
+ break;
+ }
+
+ case VIDIOCPWCMPTGANGLE:
+ {
+
+ if (pdev->features & FEATURE_MOTOR_PANTILT)
+ {
+ struct pwc_mpt_angles *angles = arg;
+
+ angles->absolute = 1;
+ angles->pan = pdev->pan_angle;
+ angles->tilt = pdev->tilt_angle;
+ }
+ else
+ {
+ ret = -ENXIO;
+ }
+ break;
+ }
+
+ case VIDIOCPWCMPTSTATUS:
+ {
+ if (pdev->features & FEATURE_MOTOR_PANTILT)
+ {
+ struct pwc_mpt_status *status = arg;
+ ret = pwc_mpt_get_status(pdev, status);
+ }
+ else
+ {
+ ret = -ENXIO;
+ }
+ break;
}
case VIDIOCPWCGVIDCMD:
{
struct pwc_video_command *cmd = arg;
-
- cmd->type = pdev->type;
+
+ cmd->type = pdev->type;
cmd->release = pdev->release;
cmd->command_len = pdev->cmd_len;
memcpy(&cmd->command_buf, pdev->cmd_buf, pdev->cmd_len);
ret = -ENOIOCTLCMD;
break;
}
-
+
if (ret > 0)
return 0;
return ret;
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