From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/video/gspca/mars.c | 292 ++++++++++++++++----------------------
1 file changed, 126 insertions(+), 166 deletions(-)
diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c
index b023146..b1a1fec 100644
--- a/drivers/media/video/gspca/mars.c
+++ b/drivers/media/video/gspca/mars.c
@@ -25,27 +25,26 @@
#include "gspca.h"
#include "jpeg.h"
+#include <media/v4l2-ctrls.h>
MODULE_AUTHOR("Michel Xhaard <mxhaard@xxxxxxxxxxxxxxxxxxxxx>");
MODULE_DESCRIPTION("GSPCA/Mars USB Camera Driver");
MODULE_LICENSE("GPL");
-/* controls */
-enum e_ctrl {
- BRIGHTNESS,
- COLORS,
- GAMMA,
- SHARPNESS,
- ILLUM_TOP,
- ILLUM_BOT,
- NCTRLS /* number of controls */
-};
-
/* specific webcam descriptor */
struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
- struct gspca_ctrl ctrls[NCTRLS];
+ struct v4l2_ctrl_handler ctrl_handler;
+ struct v4l2_ctrl *brightness;
+ struct v4l2_ctrl *saturation;
+ struct v4l2_ctrl *sharpness;
+ struct v4l2_ctrl *gamma;
+ struct { /* illuminator control cluster */
+ struct v4l2_ctrl *illum_top;
+ struct v4l2_ctrl *illum_bottom;
+ };
+ struct v4l2_ctrl *jpegqual;
u8 quality;
#define QUALITY_MIN 40
@@ -56,89 +55,10 @@ struct sd {
};
/* V4L2 controls supported by the driver */
-static void setbrightness(struct gspca_dev *gspca_dev);
-static void setcolors(struct gspca_dev *gspca_dev);
-static void setgamma(struct gspca_dev *gspca_dev);
-static void setsharpness(struct gspca_dev *gspca_dev);
-static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val);
-static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val);
-
-static const struct ctrl sd_ctrls[NCTRLS] = {
-[BRIGHTNESS] = {
- {
- .id = V4L2_CID_BRIGHTNESS,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Brightness",
- .minimum = 0,
- .maximum = 30,
- .step = 1,
- .default_value = 15,
- },
- .set_control = setbrightness
- },
-[COLORS] = {
- {
- .id = V4L2_CID_SATURATION,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Color",
- .minimum = 1,
- .maximum = 255,
- .step = 1,
- .default_value = 200,
- },
- .set_control = setcolors
- },
-[GAMMA] = {
- {
- .id = V4L2_CID_GAMMA,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Gamma",
- .minimum = 0,
- .maximum = 3,
- .step = 1,
- .default_value = 1,
- },
- .set_control = setgamma
- },
-[SHARPNESS] = {
- {
- .id = V4L2_CID_SHARPNESS,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Sharpness",
- .minimum = 0,
- .maximum = 2,
- .step = 1,
- .default_value = 1,
- },
- .set_control = setsharpness
- },
-[ILLUM_TOP] = {
- {
- .id = V4L2_CID_ILLUMINATORS_1,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Top illuminator",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- .flags = V4L2_CTRL_FLAG_UPDATE,
- },
- .set = sd_setilluminator1
- },
-[ILLUM_BOT] = {
- {
- .id = V4L2_CID_ILLUMINATORS_2,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Bottom illuminator",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- .flags = V4L2_CTRL_FLAG_UPDATE,
- },
- .set = sd_setilluminator2
- },
-};
+static void setbrightness(struct gspca_dev *gspca_dev, s32 val);
+static void setcolors(struct gspca_dev *gspca_dev, s32 val);
+static void setgamma(struct gspca_dev *gspca_dev, s32 val);
+static void setsharpness(struct gspca_dev *gspca_dev, s32 val);
static const struct v4l2_pix_format vga_mode[] = {
{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
@@ -198,59 +118,129 @@ static void mi_w(struct gspca_dev *gspca_dev,
reg_w(gspca_dev, 4);
}
-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;
-
gspca_dev->usb_buf[0] = 0x61;
- gspca_dev->usb_buf[1] = sd->ctrls[BRIGHTNESS].val;
+ gspca_dev->usb_buf[1] = val;
reg_w(gspca_dev, 2);
}
-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;
- s16 val;
-
- val = sd->ctrls[COLORS].val;
gspca_dev->usb_buf[0] = 0x5f;
gspca_dev->usb_buf[1] = val << 3;
gspca_dev->usb_buf[2] = ((val >> 2) & 0xf8) | 0x04;
reg_w(gspca_dev, 3);
}
-static void setgamma(struct gspca_dev *gspca_dev)
+static void setgamma(struct gspca_dev *gspca_dev, s32 val)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
gspca_dev->usb_buf[0] = 0x06;
- gspca_dev->usb_buf[1] = sd->ctrls[GAMMA].val * 0x40;
+ gspca_dev->usb_buf[1] = val * 0x40;
reg_w(gspca_dev, 2);
}
-static void setsharpness(struct gspca_dev *gspca_dev)
+static void setsharpness(struct gspca_dev *gspca_dev, s32 val)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
gspca_dev->usb_buf[0] = 0x67;
- gspca_dev->usb_buf[1] = sd->ctrls[SHARPNESS].val * 4 + 3;
+ gspca_dev->usb_buf[1] = val * 4 + 3;
reg_w(gspca_dev, 2);
}
-static void setilluminators(struct gspca_dev *gspca_dev)
+static void setilluminators(struct gspca_dev *gspca_dev, bool top, bool bottom)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
+ /* both are off if not streaming */
gspca_dev->usb_buf[0] = 0x22;
- if (sd->ctrls[ILLUM_TOP].val)
+ if (top)
gspca_dev->usb_buf[1] = 0x76;
- else if (sd->ctrls[ILLUM_BOT].val)
+ else if (bottom)
gspca_dev->usb_buf[1] = 0x7a;
else
gspca_dev->usb_buf[1] = 0x7e;
reg_w(gspca_dev, 2);
}
+static int mars_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
+ struct gspca_dev *gspca_dev = &sd->gspca_dev;
+
+ gspca_dev->usb_err = 0;
+
+ if (ctrl->id == V4L2_CID_ILLUMINATORS_1) {
+ /* only one can be on at a time */
+ if (ctrl->is_new && ctrl->val)
+ sd->illum_bottom->val = 0;
+ if (sd->illum_bottom->is_new && sd->illum_bottom->val)
+ sd->illum_top->val = 0;
+ }
+
+ if (!gspca_dev->streaming)
+ return 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_BRIGHTNESS:
+ setbrightness(&sd->gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_SATURATION:
+ setcolors(&sd->gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_GAMMA:
+ setgamma(&sd->gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_ILLUMINATORS_1:
+ setilluminators(&sd->gspca_dev, sd->illum_top->val,
+ sd->illum_bottom->val);
+ break;
+ case V4L2_CID_SHARPNESS:
+ setsharpness(&sd->gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_JPEG_COMPRESSION_QUALITY:
+ jpeg_set_qual(sd->jpeg_hdr, ctrl->val);
+ break;
+ default:
+ return -EINVAL;
+ }
+ return gspca_dev->usb_err;
+}
+
+static const struct v4l2_ctrl_ops mars_ctrl_ops = {
+ .s_ctrl = mars_s_ctrl,
+};
+
+/* this function is called at probe time */
+static int sd_init_controls(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler;
+
+ gspca_dev->vdev.ctrl_handler = hdl;
+ v4l2_ctrl_handler_init(hdl, 7);
+ sd->brightness = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 30, 1, 15);
+ sd->saturation = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 255, 1, 200);
+ sd->gamma = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
+ V4L2_CID_GAMMA, 0, 3, 1, 1);
+ sd->sharpness = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
+ V4L2_CID_SHARPNESS, 0, 2, 1, 1);
+ sd->illum_top = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
+ V4L2_CID_ILLUMINATORS_1, 0, 1, 1, 0);
+ sd->illum_top->flags |= V4L2_CTRL_FLAG_UPDATE;
+ sd->illum_bottom = v4l2_ctrl_new_std(hdl, &mars_ctrl_ops,
+ V4L2_CID_ILLUMINATORS_2, 0, 1, 1, 0);
+ sd->illum_bottom->flags |= V4L2_CTRL_FLAG_UPDATE;
+ sd->jpegqual = v4l2_ctrl_new_std(hdl, &mars_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;
+ }
+ v4l2_ctrl_cluster(2, &sd->illum_top);
+ return 0;
+}
+
/* this function is called at probe time */
static int sd_config(struct gspca_dev *gspca_dev,
const struct usb_device_id *id)
@@ -261,7 +251,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
cam = &gspca_dev->cam;
cam->cam_mode = vga_mode;
cam->nmodes = ARRAY_SIZE(vga_mode);
- cam->ctrls = sd->ctrls;
sd->quality = QUALITY_DEF;
return 0;
}
@@ -269,7 +258,6 @@ static int sd_config(struct gspca_dev *gspca_dev,
/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
- gspca_dev->ctrl_inac = (1 << ILLUM_TOP) | (1 << ILLUM_BOT);
return 0;
}
@@ -282,7 +270,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
/* create the JPEG header */
jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
0x21); /* JPEG 422 */
- jpeg_set_qual(sd->jpeg_hdr, sd->quality);
+ jpeg_set_qual(sd->jpeg_hdr, v4l2_ctrl_g_ctrl(sd->jpegqual));
data = gspca_dev->usb_buf;
@@ -301,7 +289,7 @@ static int sd_start(struct gspca_dev *gspca_dev)
data[5] = 0x30; /* reg 4, MI, PAS5101 :
* 0x30 for 24mhz , 0x28 for 12mhz */
data[6] = 0x02; /* reg 5, H start - was 0x04 */
- data[7] = sd->ctrls[GAMMA].val * 0x40; /* reg 0x06: gamma */
+ data[7] = v4l2_ctrl_g_ctrl(sd->gamma) * 0x40; /* reg 0x06: gamma */
data[8] = 0x01; /* reg 7, V start - was 0x03 */
/* if (h_size == 320 ) */
/* data[9]= 0x56; * reg 8, 24MHz, 2:1 scale down */
@@ -333,16 +321,16 @@ static int sd_start(struct gspca_dev *gspca_dev)
/* reg 0x5f/0x60 (LE) = saturation */
/* h (60): xxxx x100
* l (5f): xxxx x000 */
- data[2] = sd->ctrls[COLORS].val << 3;
- data[3] = ((sd->ctrls[COLORS].val >> 2) & 0xf8) | 0x04;
- data[4] = sd->ctrls[BRIGHTNESS].val; /* reg 0x61 = brightness */
+ data[2] = v4l2_ctrl_g_ctrl(sd->saturation) << 3;
+ data[3] = ((v4l2_ctrl_g_ctrl(sd->saturation) >> 2) & 0xf8) | 0x04;
+ data[4] = v4l2_ctrl_g_ctrl(sd->brightness); /* reg 0x61 = brightness */
data[5] = 0x00;
reg_w(gspca_dev, 6);
data[0] = 0x67;
/*jfm: from win trace*/
- data[1] = sd->ctrls[SHARPNESS].val * 4 + 3;
+ data[1] = v4l2_ctrl_g_ctrl(sd->sharpness) * 4 + 3;
data[2] = 0x14;
reg_w(gspca_dev, 3);
@@ -365,7 +353,9 @@ static int sd_start(struct gspca_dev *gspca_dev)
data[1] = 0x4d; /* ISOC transferring enable... */
reg_w(gspca_dev, 2);
- gspca_dev->ctrl_inac = 0; /* activate the illuminator controls */
+ setilluminators(gspca_dev, v4l2_ctrl_g_ctrl(sd->illum_top),
+ v4l2_ctrl_g_ctrl(sd->illum_bottom));
+
return gspca_dev->usb_err;
}
@@ -373,11 +363,8 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
{
struct sd *sd = (struct sd *) gspca_dev;
- gspca_dev->ctrl_inac = (1 << ILLUM_TOP) | (1 << ILLUM_BOT);
- if (sd->ctrls[ILLUM_TOP].val || sd->ctrls[ILLUM_BOT].val) {
- sd->ctrls[ILLUM_TOP].val = 0;
- sd->ctrls[ILLUM_BOT].val = 0;
- setilluminators(gspca_dev);
+ if (v4l2_ctrl_g_ctrl(sd->illum_top) || v4l2_ctrl_g_ctrl(sd->illum_bottom)) {
+ setilluminators(gspca_dev, false, false);
msleep(20);
}
@@ -424,43 +411,16 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev,
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}
-static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
-
- /* only one illuminator may be on */
- sd->ctrls[ILLUM_TOP].val = val;
- if (val)
- sd->ctrls[ILLUM_BOT].val = 0;
- setilluminators(gspca_dev);
- return gspca_dev->usb_err;
-}
-
-static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
-
- /* only one illuminator may be on */
- sd->ctrls[ILLUM_BOT].val = val;
- if (val)
- sd->ctrls[ILLUM_TOP].val = 0;
- setilluminators(gspca_dev);
- return gspca_dev->usb_err;
-}
-
static int sd_set_jcomp(struct gspca_dev *gspca_dev,
struct v4l2_jpegcompression *jcomp)
{
struct sd *sd = (struct sd *) gspca_dev;
+ int ret;
- if (jcomp->quality < QUALITY_MIN)
- sd->quality = QUALITY_MIN;
- 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);
+ ret = v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality);
+ if (ret)
+ return ret;
+ jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);
return 0;
}
@@ -470,7 +430,7 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev,
struct sd *sd = (struct sd *) gspca_dev;
memset(jcomp, 0, sizeof *jcomp);
- jcomp->quality = sd->quality;
+ jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);
jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
| V4L2_JPEG_MARKER_DQT;
return 0;
@@ -479,10 +439,9 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev,
/* sub-driver description */
static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
- .ctrls = sd_ctrls,
- .nctrls = NCTRLS,
.config = sd_config,
.init = sd_init,
+ .init_controls = sd_init_controls,
.start = sd_start,
.stopN = sd_stopN,
.pkt_scan = sd_pkt_scan,
@@ -513,6 +472,7 @@ static struct usb_driver sd_driver = {
#ifdef CONFIG_PM
.suspend = gspca_suspend,
.resume = gspca_resume,
+ .reset_resume = gspca_resume,
#endif
};
--
1.7.10
--
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