Skip to content

L
linux
Commit aa5b7925 authored by Jean-François Moine's avatar Jean-François Moine Committed by Mauro Carvalho Chehab
Browse files
Options

[media] gspca - pac7302: Use the new video control mechanism 

Signed-off-by: default avatarJean-François Moine <moinejf@free.fr>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 7532e815
Show whitespace changes
Inline Side-by-side
Showing with 79 additions and 298 deletions
drivers/media/video/gspca/pac7302.c
View file @ aa5b7925
......@@ -72,21 +72,27 @@ MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>, "
MODULE_DESCRIPTION("Pixart PAC7302");
MODULE_LICENSE("GPL");
enum e_ctrl {
BRIGHTNESS,
CONTRAST,
COLORS,
WHITE_BALANCE,
RED_BALANCE,
BLUE_BALANCE,
GAIN,
AUTOGAIN,
EXPOSURE,
VFLIP,
HFLIP,
NCTRLS /* number of controls */
};
/* specific webcam descriptor for pac7302 */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
unsigned char brightness;
unsigned char contrast;
unsigned char colors;
unsigned char white_balance;
unsigned char red_balance;
unsigned char blue_balance;
unsigned char gain;
unsigned char autogain;
unsigned short exposure;
__u8 hflip;
__u8 vflip;
struct gspca_ctrl ctrls[NCTRLS];
u8 flags;
#define FL_HFLIP 0x01 /* mirrored by default */
#define FL_VFLIP 0x02 /* vertical flipped by default */
......@@ -98,31 +104,18 @@ struct sd {
};
/* V4L2 controls supported by the driver */
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setwhitebalance(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getwhitebalance(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setredbalance(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getredbalance(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setbluebalance(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getbluebalance(struct gspca_dev *gspca_dev, __s32 *val);
static void setbrightcont(struct gspca_dev *gspca_dev);
static void setcolors(struct gspca_dev *gspca_dev);
static void setwhitebalance(struct gspca_dev *gspca_dev);
static void setredbalance(struct gspca_dev *gspca_dev);
static void setbluebalance(struct gspca_dev *gspca_dev);
static void setgain(struct gspca_dev *gspca_dev);
static void setexposure(struct gspca_dev *gspca_dev);
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val);
static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
static void sethvflip(struct gspca_dev *gspca_dev);
static const struct ctrl sd_ctrls[] = {
{
[BRIGHTNESS] = {
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -131,13 +124,11 @@ static const struct ctrl sd_ctrls[] = {
#define BRIGHTNESS_MAX 0x20
.maximum = BRIGHTNESS_MAX,
.step = 1,
#define BRIGHTNESS_DEF 0x10
.default_value = BRIGHTNESS_DEF,
.default_value = 0x10,
},
.set = sd_setbrightness,
.get = sd_getbrightness,
.set_control = setbrightcont
},
{
[CONTRAST] = {
{
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -146,13 +137,11 @@ static const struct ctrl sd_ctrls[] = {
#define CONTRAST_MAX 255
.maximum = CONTRAST_MAX,
.step = 1,
#define CONTRAST_DEF 127
.default_value = CONTRAST_DEF,
.default_value = 127,
},
.set = sd_setcontrast,
.get = sd_getcontrast,
.set_control = setbrightcont
},
{
[COLORS] = {
{
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -161,13 +150,11 @@ static const struct ctrl sd_ctrls[] = {
#define COLOR_MAX 255
.maximum = COLOR_MAX,
.step = 1,
#define COLOR_DEF 127
.default_value = COLOR_DEF,
.default_value = 127
},
.set = sd_setcolors,
.get = sd_getcolors,
.set_control = setcolors
},
{
[WHITE_BALANCE] = {
{
.id = V4L2_CID_WHITE_BALANCE_TEMPERATURE,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -175,13 +162,11 @@ static const struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 255,
.step = 1,
#define WHITEBALANCE_DEF 4
.default_value = WHITEBALANCE_DEF,
.default_value = 4,
},
.set = sd_setwhitebalance,
.get = sd_getwhitebalance,
.set_control = setwhitebalance
},
{
[RED_BALANCE] = {
{
.id = V4L2_CID_RED_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -189,13 +174,11 @@ static const struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 3,
.step = 1,
#define REDBALANCE_DEF 1
.default_value = REDBALANCE_DEF,
.default_value = 1,
},
.set = sd_setredbalance,
.get = sd_getredbalance,
.set_control = setredbalance
},
{
[BLUE_BALANCE] = {
{
.id = V4L2_CID_BLUE_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -203,29 +186,25 @@ static const struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 3,
.step = 1,
#define BLUEBALANCE_DEF 1
.default_value = BLUEBALANCE_DEF,
.default_value = 1,
},
.set = sd_setbluebalance,
.get = sd_getbluebalance,
.set_control = setbluebalance
},
{
[GAIN] = {
{
.id = V4L2_CID_GAIN,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Gain",
.minimum = 0,
#define GAIN_MAX 255
.maximum = GAIN_MAX,
.maximum = 255,
.step = 1,
#define GAIN_DEF 127
#define GAIN_KNEE 255 /* Gain seems to cause little noise on the pac73xx */
.default_value = GAIN_DEF,
},
.set = sd_setgain,
.get = sd_getgain,
.set_control = setgain
},
{
[EXPOSURE] = {
{
.id = V4L2_CID_EXPOSURE,
.type = V4L2_CTRL_TYPE_INTEGER,
......@@ -237,10 +216,9 @@ static const struct ctrl sd_ctrls[] = {
#define EXPOSURE_KNEE 133 /* 66 ms / 15 fps */
.default_value = EXPOSURE_DEF,
},
.set = sd_setexposure,
.get = sd_getexposure,
.set_control = setexposure
},
{
[AUTOGAIN] = {
{
.id = V4L2_CID_AUTOGAIN,
.type = V4L2_CTRL_TYPE_BOOLEAN,
......@@ -252,9 +230,8 @@ static const struct ctrl sd_ctrls[] = {
.default_value = AUTOGAIN_DEF,
},
.set = sd_setautogain,
.get = sd_getautogain,
},
{
[HFLIP] = {
{
.id = V4L2_CID_HFLIP,
.type = V4L2_CTRL_TYPE_BOOLEAN,
......@@ -262,13 +239,11 @@ static const struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 1,
.step = 1,
#define HFLIP_DEF 0
.default_value = HFLIP_DEF,
.default_value = 0,
},
.set = sd_sethflip,
.get = sd_gethflip,
.set_control = sethvflip,
},
{
[VFLIP] = {
{
.id = V4L2_CID_VFLIP,
.type = V4L2_CTRL_TYPE_BOOLEAN,
......@@ -276,11 +251,9 @@ static const struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 1,
.step = 1,
#define VFLIP_DEF 0
.default_value = VFLIP_DEF,
.default_value = 0,
},
.set = sd_setvflip,
.get = sd_getvflip,
.set_control = sethvflip
},
};
......@@ -528,17 +501,8 @@ static int sd_config(struct gspca_dev *gspca_dev,
cam->cam_mode = vga_mode; /* only 640x480 */
cam->nmodes = ARRAY_SIZE(vga_mode);
sd->brightness = BRIGHTNESS_DEF;
sd->contrast = CONTRAST_DEF;
sd->colors = COLOR_DEF;
sd->white_balance = WHITEBALANCE_DEF;
sd->red_balance = REDBALANCE_DEF;
sd->blue_balance = BLUEBALANCE_DEF;
sd->gain = GAIN_DEF;
sd->exposure = EXPOSURE_DEF;
sd->autogain = AUTOGAIN_DEF;
sd->hflip = HFLIP_DEF;
sd->vflip = VFLIP_DEF;
gspca_dev->cam.ctrls = sd->ctrls;
sd->flags = id->driver_info;
return 0;
}
......@@ -558,9 +522,9 @@ static void setbrightcont(struct gspca_dev *gspca_dev)
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
for (i = 0; i < 10; i++) {
v = max[i];
v += (sd->brightness - BRIGHTNESS_MAX)
v += (sd->ctrls[BRIGHTNESS].val - BRIGHTNESS_MAX)
* 150 / BRIGHTNESS_MAX; /* 200 ? */
v -= delta[i] * sd->contrast / CONTRAST_MAX;
v -= delta[i] * sd->ctrls[CONTRAST].val / CONTRAST_MAX;
if (v < 0)
v = 0;
else if (v > 0xff)
......@@ -584,7 +548,7 @@ static void setcolors(struct gspca_dev *gspca_dev)
reg_w(gspca_dev, 0x11, 0x01);
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
for (i = 0; i < 9; i++) {
v = a[i] * sd->colors / COLOR_MAX + b[i];
v = a[i] * sd->ctrls[COLORS].val / COLOR_MAX + b[i];
reg_w(gspca_dev, 0x0f + 2 * i, (v >> 8) & 0x07);
reg_w(gspca_dev, 0x0f + 2 * i + 1, v);
}
......@@ -596,7 +560,7 @@ static void setwhitebalance(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
reg_w(gspca_dev, 0xc6, sd->white_balance);
reg_w(gspca_dev, 0xc6, sd->ctrls[WHITE_BALANCE].val);
reg_w(gspca_dev, 0xdc, 0x01);
}
......@@ -606,7 +570,7 @@ static void setredbalance(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
reg_w(gspca_dev, 0xc5, sd->red_balance);
reg_w(gspca_dev, 0xc5, sd->ctrls[RED_BALANCE].val);
reg_w(gspca_dev, 0xdc, 0x01);
}
......@@ -616,7 +580,7 @@ static void setbluebalance(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
reg_w(gspca_dev, 0xff, 0x00); /* page 0 */
reg_w(gspca_dev, 0xc7, sd->blue_balance);
reg_w(gspca_dev, 0xc7, sd->ctrls[BLUE_BALANCE].val);
reg_w(gspca_dev, 0xdc, 0x01);
}
......@@ -626,7 +590,7 @@ static void setgain(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
reg_w(gspca_dev, 0xff, 0x03); /* page 3 */
reg_w(gspca_dev, 0x10, sd->gain >> 3);
reg_w(gspca_dev, 0x10, sd->ctrls[GAIN].val >> 3);
/* load registers to sensor (Bit 0, auto clear) */
reg_w(gspca_dev, 0x11, 0x01);
......@@ -641,7 +605,7 @@ static void setexposure(struct gspca_dev *gspca_dev)
/* register 2 of frame 3 contains the clock divider configuring the
no fps according to the formula: 90 / reg. sd->exposure is the
desired exposure time in 0.5 ms. */
clockdiv = (90 * sd->exposure + 1999) / 2000;
clockdiv = (90 * sd->ctrls[EXPOSURE].val + 1999) / 2000;
/* Note clockdiv = 3 also works, but when running at 30 fps, depending
on the scene being recorded, the camera switches to another
......@@ -660,7 +624,7 @@ static void setexposure(struct gspca_dev *gspca_dev)
/* frame exposure time in ms = 1000 * clockdiv / 90 ->
exposure = (sd->exposure / 2) * 448 / (1000 * clockdiv / 90) */
exposure = (sd->exposure * 45 * 448) / (1000 * clockdiv);
exposure = (sd->ctrls[EXPOSURE].val * 45 * 448) / (1000 * clockdiv);
/* 0 = use full frametime, 448 = no exposure, reverse it */
exposure = 448 - exposure;
......@@ -678,10 +642,10 @@ static void sethvflip(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev;
u8 data, hflip, vflip;
hflip = sd->hflip;
hflip = sd->ctrls[HFLIP].val;
if (sd->flags & FL_HFLIP)
hflip = !hflip;
vflip = sd->vflip;
vflip = sd->ctrls[VFLIP].val;
if (sd->flags & FL_VFLIP)
vflip = !vflip;
......@@ -748,6 +712,11 @@ static void sd_stop0(struct gspca_dev *gspca_dev)
/* Include pac common sof detection functions */
#include "pac_common.h"
/* !! coarse_grained_expo_autogain is not used !! */
#define exp_too_low_cnt flags
#define exp_too_high_cnt sof_read
#include "autogain_functions.h"
static void do_autogain(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
......@@ -758,11 +727,11 @@ static void do_autogain(struct gspca_dev *gspca_dev)
if (avg_lum == -1)
return;
desired_lum = 270 + sd->brightness;
desired_lum = 270 + sd->ctrls[BRIGHTNESS].val;
if (sd->autogain_ignore_frames > 0)
sd->autogain_ignore_frames--;
else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum, desired_lum,
else if (auto_gain_n_exposure(gspca_dev, avg_lum, desired_lum,
deadzone, GAIN_KNEE, EXPOSURE_KNEE))
sd->autogain_ignore_frames = PAC_AUTOGAIN_IGNORE_FRAMES;
}
......@@ -846,162 +815,18 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->brightness = val;
if (gspca_dev->streaming)
setbrightcont(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->brightness;
return 0;
}
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->contrast = val;
if (gspca_dev->streaming)
setbrightcont(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->contrast;
return 0;
}
static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->colors = val;
if (gspca_dev->streaming)
setcolors(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->colors;
return 0;
}
static int sd_setwhitebalance(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->white_balance = val;
if (gspca_dev->streaming)
setwhitebalance(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getwhitebalance(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->white_balance;
return 0;
}
static int sd_setredbalance(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->red_balance = val;
if (gspca_dev->streaming)
setredbalance(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getredbalance(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->red_balance;
return 0;
}
static int sd_setbluebalance(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->blue_balance = val;
if (gspca_dev->streaming)
setbluebalance(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getbluebalance(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->blue_balance;
return 0;
}
static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->gain = val;
if (gspca_dev->streaming)
setgain(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->gain;
return 0;
}
static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->exposure = val;
if (gspca_dev->streaming)
setexposure(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->exposure;
return 0;
}
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->autogain = val;
sd->ctrls[AUTOGAIN].val = val;
/* when switching to autogain set defaults to make sure
we are on a valid point of the autogain gain /
exposure knee graph, and give this change time to
take effect before doing autogain. */
if (sd->autogain) {
sd->exposure = EXPOSURE_DEF;
sd->gain = GAIN_DEF;
if (sd->ctrls[AUTOGAIN].val) {
sd->ctrls[EXPOSURE].val = EXPOSURE_DEF;
sd->ctrls[GAIN].val = GAIN_DEF;
if (gspca_dev->streaming) {
sd->autogain_ignore_frames =
PAC_AUTOGAIN_IGNORE_FRAMES;
......@@ -1013,50 +838,6 @@ static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
return gspca_dev->usb_err;
}
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->autogain;
return 0;
}
static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->hflip = val;
if (gspca_dev->streaming)
sethvflip(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->hflip;
return 0;
}
static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->vflip = val;
if (gspca_dev->streaming)
sethvflip(gspca_dev);
return gspca_dev->usb_err;
}
static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
*val = sd->vflip;
return 0;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int sd_dbg_s_register(struct gspca_dev *gspca_dev,
struct v4l2_dbg_register *reg)
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7