aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/gspca/stk014.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/gspca/stk014.c')
-rw-r--r--drivers/media/video/gspca/stk014.c174
1 files changed, 44 insertions, 130 deletions
diff --git a/drivers/media/video/gspca/stk014.c b/drivers/media/video/gspca/stk014.c
index 2aedf4b1bfa3..11a192b95ed4 100644
--- a/drivers/media/video/gspca/stk014.c
+++ b/drivers/media/video/gspca/stk014.c
@@ -27,14 +27,21 @@ MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
MODULE_DESCRIPTION("Syntek DV4000 (STK014) USB Camera Driver");
MODULE_LICENSE("GPL");
+/* controls */
+enum e_ctrl {
+ BRIGHTNESS,
+ CONTRAST,
+ COLORS,
+ LIGHTFREQ,
+ NCTRLS /* number of controls */
+};
+
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
- unsigned char brightness;
- unsigned char contrast;
- unsigned char colors;
- unsigned char lightfreq;
+ struct gspca_ctrl ctrls[NCTRLS];
+
u8 quality;
#define QUALITY_MIN 70
#define QUALITY_MAX 95
@@ -44,17 +51,13 @@ 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_setfreq(struct gspca_dev *gspca_dev, __s32 val);
-static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
-
-static const struct ctrl sd_ctrls[] = {
- {
+static void setbrightness(struct gspca_dev *gspca_dev);
+static void setcontrast(struct gspca_dev *gspca_dev);
+static void setcolors(struct gspca_dev *gspca_dev);
+static void setlightfreq(struct gspca_dev *gspca_dev);
+
+static const struct ctrl sd_ctrls[NCTRLS] = {
+[BRIGHTNESS] = {
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
@@ -62,13 +65,11 @@ static const struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 255,
.step = 1,
-#define BRIGHTNESS_DEF 127
- .default_value = BRIGHTNESS_DEF,
+ .default_value = 127,
},
- .set = sd_setbrightness,
- .get = sd_getbrightness,
+ .set_control = setbrightness
},
- {
+[CONTRAST] = {
{
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
@@ -76,13 +77,11 @@ static const struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 255,
.step = 1,
-#define CONTRAST_DEF 127
- .default_value = CONTRAST_DEF,
+ .default_value = 127,
},
- .set = sd_setcontrast,
- .get = sd_getcontrast,
+ .set_control = setcontrast
},
- {
+[COLORS] = {
{
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
@@ -90,13 +89,11 @@ static const struct ctrl sd_ctrls[] = {
.minimum = 0,
.maximum = 255,
.step = 1,
-#define COLOR_DEF 127
- .default_value = COLOR_DEF,
+ .default_value = 127,
},
- .set = sd_setcolors,
- .get = sd_getcolors,
+ .set_control = setcolors
},
- {
+[LIGHTFREQ] = {
{
.id = V4L2_CID_POWER_LINE_FREQUENCY,
.type = V4L2_CTRL_TYPE_MENU,
@@ -104,11 +101,9 @@ static const struct ctrl sd_ctrls[] = {
.minimum = 1,
.maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */
.step = 1,
-#define FREQ_DEF 1
- .default_value = FREQ_DEF,
+ .default_value = 1,
},
- .set = sd_setfreq,
- .get = sd_getfreq,
+ .set_control = setlightfreq
},
};
@@ -142,7 +137,7 @@ static u8 reg_r(struct gspca_dev *gspca_dev,
gspca_dev->usb_buf, 1,
500);
if (ret < 0) {
- PDEBUG(D_ERR, "reg_r err %d", ret);
+ err("reg_r err %d", ret);
gspca_dev->usb_err = ret;
return 0;
}
@@ -167,7 +162,7 @@ static void reg_w(struct gspca_dev *gspca_dev,
0,
500);
if (ret < 0) {
- PDEBUG(D_ERR, "reg_w err %d", ret);
+ err("reg_w err %d", ret);
gspca_dev->usb_err = ret;
}
}
@@ -197,7 +192,7 @@ static void rcv_val(struct gspca_dev *gspca_dev,
&alen,
500); /* timeout in milliseconds */
if (ret < 0) {
- PDEBUG(D_ERR, "rcv_val err %d", ret);
+ err("rcv_val err %d", ret);
gspca_dev->usb_err = ret;
}
}
@@ -240,7 +235,7 @@ static void snd_val(struct gspca_dev *gspca_dev,
&alen,
500); /* timeout in milliseconds */
if (ret < 0) {
- PDEBUG(D_ERR, "snd_val err %d", ret);
+ err("snd_val err %d", ret);
gspca_dev->usb_err = ret;
} else {
if (ads == 0x003f08) {
@@ -264,7 +259,7 @@ static void setbrightness(struct gspca_dev *gspca_dev)
int parval;
parval = 0x06000000 /* whiteness */
- + (sd->brightness << 16);
+ + (sd->ctrls[BRIGHTNESS].val << 16);
set_par(gspca_dev, parval);
}
@@ -274,7 +269,7 @@ static void setcontrast(struct gspca_dev *gspca_dev)
int parval;
parval = 0x07000000 /* contrast */
- + (sd->contrast << 16);
+ + (sd->ctrls[CONTRAST].val << 16);
set_par(gspca_dev, parval);
}
@@ -284,15 +279,15 @@ static void setcolors(struct gspca_dev *gspca_dev)
int parval;
parval = 0x08000000 /* saturation */
- + (sd->colors << 16);
+ + (sd->ctrls[COLORS].val << 16);
set_par(gspca_dev, parval);
}
-static void setfreq(struct gspca_dev *gspca_dev)
+static void setlightfreq(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- set_par(gspca_dev, sd->lightfreq == 1
+ set_par(gspca_dev, sd->ctrls[LIGHTFREQ].val == 1
? 0x33640000 /* 50 Hz */
: 0x33780000); /* 60 Hz */
}
@@ -305,10 +300,7 @@ static int sd_config(struct gspca_dev *gspca_dev,
gspca_dev->cam.cam_mode = vga_mode;
gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode);
- sd->brightness = BRIGHTNESS_DEF;
- sd->contrast = CONTRAST_DEF;
- sd->colors = COLOR_DEF;
- sd->lightfreq = FREQ_DEF;
+ gspca_dev->cam.ctrls = sd->ctrls;
sd->quality = QUALITY_DEF;
return 0;
}
@@ -323,7 +315,7 @@ static int sd_init(struct gspca_dev *gspca_dev)
ret = reg_r(gspca_dev, 0x0740);
if (gspca_dev->usb_err >= 0) {
if (ret != 0xff) {
- PDEBUG(D_ERR|D_STREAM, "init reg: 0x%02x", ret);
+ err("init reg: 0x%02x", ret);
gspca_dev->usb_err = -EIO;
}
}
@@ -357,7 +349,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
gspca_dev->iface,
gspca_dev->alt);
if (ret < 0) {
- PDEBUG(D_ERR|D_STREAM, "set intf %d %d failed",
+ err("set intf %d %d failed",
gspca_dev->iface, gspca_dev->alt);
gspca_dev->usb_err = ret;
goto out;
@@ -378,7 +370,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
set_par(gspca_dev, 0x0a800000); /* Green ? */
set_par(gspca_dev, 0x0b800000); /* Blue ? */
set_par(gspca_dev, 0x0d030000); /* Gamma ? */
- setfreq(gspca_dev); /* light frequency */
+ setlightfreq(gspca_dev);
/* start the video flow */
set_par(gspca_dev, 0x01000000);
@@ -441,78 +433,6 @@ 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)
- setbrightness(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)
- setcontrast(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_setfreq(struct gspca_dev *gspca_dev, __s32 val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
-
- sd->lightfreq = val;
- if (gspca_dev->streaming)
- setfreq(gspca_dev);
- return gspca_dev->usb_err;
-}
-
-static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
-
- *val = sd->lightfreq;
- return 0;
-}
-
static int sd_querymenu(struct gspca_dev *gspca_dev,
struct v4l2_querymenu *menu)
{
@@ -563,7 +483,7 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev,
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
.ctrls = sd_ctrls,
- .nctrls = ARRAY_SIZE(sd_ctrls),
+ .nctrls = NCTRLS,
.config = sd_config,
.init = sd_init,
.start = sd_start,
@@ -603,17 +523,11 @@ static struct usb_driver sd_driver = {
/* -- module insert / remove -- */
static int __init sd_mod_init(void)
{
- int ret;
- ret = usb_register(&sd_driver);
- if (ret < 0)
- return ret;
- info("registered");
- return 0;
+ return usb_register(&sd_driver);
}
static void __exit sd_mod_exit(void)
{
usb_deregister(&sd_driver);
- info("deregistered");
}
module_init(sd_mod_init);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.