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[media] sunplus: convert to the control framework

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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2012-05-16 08:49:10 -03:00 committed by Mauro Carvalho Chehab
parent 74dec79714
commit ed5cd6bbde
1 changed files with 76 additions and 171 deletions
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247
drivers/media/video/gspca/sunplus.c
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@ -34,15 +34,13 @@ MODULE_LICENSE("GPL");
struct sd { struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */ struct gspca_dev gspca_dev; /* !! must be the first item */
s8 brightness; struct v4l2_ctrl *jpegqual;
u8 contrast;
u8 colors;
u8 autogain;
u8 quality;
#define QUALITY_MIN 70 #define QUALITY_MIN 70
#define QUALITY_MAX 95 #define QUALITY_MAX 95
#define QUALITY_DEF 85 #define QUALITY_DEF 85
bool autogain;
u8 bridge; u8 bridge;
#define BRIDGE_SPCA504 0 #define BRIDGE_SPCA504 0
#define BRIDGE_SPCA504B 1 #define BRIDGE_SPCA504B 1
@ -59,75 +57,6 @@ struct sd {
u8 jpeg_hdr[JPEG_HDR_SZ]; u8 jpeg_hdr[JPEG_HDR_SZ];
}; };
/* 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_setautogain(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
static const struct ctrl sd_ctrls[] = {
{
{
.id = V4L2_CID_BRIGHTNESS,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Brightness",
.minimum = -128,
.maximum = 127,
.step = 1,
#define BRIGHTNESS_DEF 0
.default_value = BRIGHTNESS_DEF,
},
.set = sd_setbrightness,
.get = sd_getbrightness,
},
{
{
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Contrast",
.minimum = 0,
.maximum = 0xff,
.step = 1,
#define CONTRAST_DEF 0x20
.default_value = CONTRAST_DEF,
},
.set = sd_setcontrast,
.get = sd_getcontrast,
},
{
{
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Color",
.minimum = 0,
.maximum = 0xff,
.step = 1,
#define COLOR_DEF 0x1a
.default_value = COLOR_DEF,
},
.set = sd_setcolors,
.get = sd_getcolors,
},
{
{
.id = V4L2_CID_AUTOGAIN,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Auto Gain",
.minimum = 0,
.maximum = 1,
.step = 1,
#define AUTOGAIN_DEF 1
.default_value = AUTOGAIN_DEF,
},
.set = sd_setautogain,
.get = sd_getautogain,
},
};
static const struct v4l2_pix_format vga_mode[] = { static const struct v4l2_pix_format vga_mode[] = {
{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 320, .bytesperline = 320,
@ -597,31 +526,31 @@ static void spca504B_setQtable(struct gspca_dev *gspca_dev)
spca504B_PollingDataReady(gspca_dev); spca504B_PollingDataReady(gspca_dev);
} }
static void setbrightness(struct gspca_dev *gspca_dev) static void setbrightness(struct gspca_dev *gspca_dev, s32 val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
u16 reg; u16 reg;
reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f0 : 0x21a7; reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f0 : 0x21a7;
reg_w_riv(gspca_dev, 0x00, reg, sd->brightness); reg_w_riv(gspca_dev, 0x00, reg, val);
} }
static void setcontrast(struct gspca_dev *gspca_dev) static void setcontrast(struct gspca_dev *gspca_dev, s32 val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
u16 reg; u16 reg;
reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f1 : 0x21a8; reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f1 : 0x21a8;
reg_w_riv(gspca_dev, 0x00, reg, sd->contrast); reg_w_riv(gspca_dev, 0x00, reg, val);
} }
static void setcolors(struct gspca_dev *gspca_dev) static void setcolors(struct gspca_dev *gspca_dev, s32 val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
u16 reg; u16 reg;
reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f6 : 0x21ae; reg = sd->bridge == BRIDGE_SPCA536 ? 0x20f6 : 0x21ae;
reg_w_riv(gspca_dev, 0x00, reg, sd->colors); reg_w_riv(gspca_dev, 0x00, reg, val);
} }
static void init_ctl_reg(struct gspca_dev *gspca_dev) static void init_ctl_reg(struct gspca_dev *gspca_dev)
@ -629,9 +558,7 @@ static void init_ctl_reg(struct gspca_dev *gspca_dev)
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
int pollreg = 1; int pollreg = 1;
setbrightness(gspca_dev); v4l2_ctrl_handler_setup(&gspca_dev->ctrl_handler);
setcontrast(gspca_dev);
setcolors(gspca_dev);
switch (sd->bridge) { switch (sd->bridge) {
case BRIDGE_SPCA504: case BRIDGE_SPCA504:
@ -704,11 +631,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
cam->nmodes = ARRAY_SIZE(vga_mode2); cam->nmodes = ARRAY_SIZE(vga_mode2);
break; break;
} }
sd->brightness = BRIGHTNESS_DEF;
sd->contrast = CONTRAST_DEF;
sd->colors = COLOR_DEF;
sd->autogain = AUTOGAIN_DEF;
sd->quality = QUALITY_DEF;
return 0; return 0;
} }
@ -807,7 +729,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
/* create the JPEG header */ /* create the JPEG header */
jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width, jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
0x22); /* JPEG 411 */ 0x22); /* JPEG 411 */
jpeg_set_qual(sd->jpeg_hdr, sd->quality); jpeg_set_qual(sd->jpeg_hdr, v4l2_ctrl_g_ctrl(sd->jpegqual));
if (sd->bridge == BRIDGE_SPCA504B) if (sd->bridge == BRIDGE_SPCA504B)
spca504B_setQtable(gspca_dev); spca504B_setQtable(gspca_dev);
@ -1012,90 +934,13 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
gspca_frame_add(gspca_dev, INTER_PACKET, data, len); 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_setautogain(struct gspca_dev *gspca_dev, __s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
sd->autogain = val;
return 0;
}
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_set_jcomp(struct gspca_dev *gspca_dev, static int sd_set_jcomp(struct gspca_dev *gspca_dev,
struct v4l2_jpegcompression *jcomp) struct v4l2_jpegcompression *jcomp)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
if (jcomp->quality < QUALITY_MIN) v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality);
sd->quality = QUALITY_MIN; return 0;
else if (jcomp->quality > QUALITY_MAX)
sd->quality = QUALITY_MAX;
else
sd->quality = jcomp->quality;
if (gspca_dev->streaming)
jpeg_set_qual(sd->jpeg_hdr, sd->quality);
return gspca_dev->usb_err;
} }
static int sd_get_jcomp(struct gspca_dev *gspca_dev, static int sd_get_jcomp(struct gspca_dev *gspca_dev,
@ -1104,19 +949,79 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev,
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
memset(jcomp, 0, sizeof *jcomp); memset(jcomp, 0, sizeof *jcomp);
jcomp->quality = sd->quality; jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);
jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
| V4L2_JPEG_MARKER_DQT; | V4L2_JPEG_MARKER_DQT;
return 0; return 0;
} }
static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct gspca_dev *gspca_dev =
container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
struct sd *sd = (struct sd *)gspca_dev;
gspca_dev->usb_err = 0;
if (!gspca_dev->streaming)
return 0;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
setbrightness(gspca_dev, ctrl->val);
break;
case V4L2_CID_CONTRAST:
setcontrast(gspca_dev, ctrl->val);
break;
case V4L2_CID_SATURATION:
setcolors(gspca_dev, ctrl->val);
break;
case V4L2_CID_AUTOGAIN:
sd->autogain = ctrl->val;
break;
case V4L2_CID_JPEG_COMPRESSION_QUALITY:
jpeg_set_qual(sd->jpeg_hdr, ctrl->val);
break;
}
return gspca_dev->usb_err;
}
static const struct v4l2_ctrl_ops sd_ctrl_ops = {
.s_ctrl = sd_s_ctrl,
};
static int sd_init_controls(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *)gspca_dev;
struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
gspca_dev->vdev.ctrl_handler = hdl;
v4l2_ctrl_handler_init(hdl, 5);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_CONTRAST, 0, 255, 1, 0x20);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_SATURATION, 0, 255, 1, 0x1a);
v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
V4L2_CID_JPEG_COMPRESSION_QUALITY,
QUALITY_MIN, QUALITY_MAX, 1, QUALITY_DEF);
if (hdl->error) {
pr_err("Could not initialize controls\n");
return hdl->error;
}
return 0;
}
/* sub-driver description */ /* sub-driver description */
static const struct sd_desc sd_desc = { static const struct sd_desc sd_desc = {
.name = MODULE_NAME, .name = MODULE_NAME,
.ctrls = sd_ctrls,
.nctrls = ARRAY_SIZE(sd_ctrls),
.config = sd_config, .config = sd_config,
.init = sd_init, .init = sd_init,
.init_controls = sd_init_controls,
.start = sd_start, .start = sd_start,
.stopN = sd_stopN, .stopN = sd_stopN,
.pkt_scan = sd_pkt_scan, .pkt_scan = sd_pkt_scan,