#define REG08_DEF 3 /* default JPEG compression (75%) */
#include "zc3xx-reg.h"
-/* controls */
-enum e_ctrl {
- BRIGHTNESS,
- CONTRAST,
- EXPOSURE,
- GAMMA,
- AUTOGAIN,
- LIGHTFREQ,
- SHARPNESS,
- QUALITY,
- NCTRLS /* number of controls */
-};
-
-#define AUTOGAIN_DEF 1
-
/* 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 { /* gamma/brightness/contrast control cluster */
+ struct v4l2_ctrl *gamma;
+ struct v4l2_ctrl *brightness;
+ struct v4l2_ctrl *contrast;
+ };
+ struct { /* autogain/exposure control cluster */
+ struct v4l2_ctrl *autogain;
+ struct v4l2_ctrl *exposure;
+ };
+ struct v4l2_ctrl *plfreq;
+ struct v4l2_ctrl *sharpness;
+ struct v4l2_ctrl *jpegqual;
struct work_struct work;
struct workqueue_struct *work_thread;
SENSOR_MAX
};
-/* V4L2 controls supported by the driver */
-static void setcontrast(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 void setlightfreq(struct gspca_dev *gspca_dev);
-static void setsharpness(struct gspca_dev *gspca_dev);
-static int sd_setquality(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 = 255,
- .step = 1,
- .default_value = 128,
- },
- .set_control = setcontrast
- },
-[CONTRAST] = {
- {
- .id = V4L2_CID_CONTRAST,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Contrast",
- .minimum = 0,
- .maximum = 255,
- .step = 1,
- .default_value = 128,
- },
- .set_control = setcontrast
- },
-[EXPOSURE] = {
- {
- .id = V4L2_CID_EXPOSURE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Exposure",
- .minimum = 0x30d,
- .maximum = 0x493e,
- .step = 1,
- .default_value = 0x927
- },
- .set_control = setexposure
- },
-[GAMMA] = {
- {
- .id = V4L2_CID_GAMMA,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Gamma",
- .minimum = 1,
- .maximum = 6,
- .step = 1,
- .default_value = 4,
- },
- .set_control = setcontrast
- },
-[AUTOGAIN] = {
- {
- .id = V4L2_CID_AUTOGAIN,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Auto Gain",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = AUTOGAIN_DEF,
- .flags = V4L2_CTRL_FLAG_UPDATE
- },
- .set = sd_setautogain
- },
-[LIGHTFREQ] = {
- {
- .id = V4L2_CID_POWER_LINE_FREQUENCY,
- .type = V4L2_CTRL_TYPE_MENU,
- .name = "Light frequency filter",
- .minimum = 0,
- .maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */
- .step = 1,
- .default_value = 0,
- },
- .set_control = setlightfreq
- },
-[SHARPNESS] = {
- {
- .id = V4L2_CID_SHARPNESS,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Sharpness",
- .minimum = 0,
- .maximum = 3,
- .step = 1,
- .default_value = 2,
- },
- .set_control = setsharpness
- },
-[QUALITY] = {
- {
- .id = V4L2_CID_JPEG_COMPRESSION_QUALITY,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Compression Quality",
- .minimum = 50,
- .maximum = 87,
- .step = 1,
- .default_value = 75,
- },
- .set = sd_setquality
- },
-};
-
static const struct v4l2_pix_format vga_mode[] = {
{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
.bytesperline = 320,
reg_w(gspca_dev, matrix[i], 0x010a + i);
}
-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;
- int sharpness;
static const u8 sharpness_tb[][2] = {
{0x02, 0x03},
{0x04, 0x07},
{0x10, 0x1e}
};
- sharpness = sd->ctrls[SHARPNESS].val;
- reg_w(gspca_dev, sharpness_tb[sharpness][0], 0x01c6);
+ reg_w(gspca_dev, sharpness_tb[val][0], 0x01c6);
reg_r(gspca_dev, 0x01c8);
reg_r(gspca_dev, 0x01c9);
reg_r(gspca_dev, 0x01ca);
- reg_w(gspca_dev, sharpness_tb[sharpness][1], 0x01cb);
+ reg_w(gspca_dev, sharpness_tb[val][1], 0x01cb);
}
-static void setcontrast(struct gspca_dev *gspca_dev)
+static void setcontrast(struct gspca_dev *gspca_dev,
+ s32 gamma, s32 brightness, s32 contrast)
{
- struct sd *sd = (struct sd *) gspca_dev;
const u8 *Tgamma;
- int g, i, brightness, contrast, adj, gp1, gp2;
+ int g, i, adj, gp1, gp2;
u8 gr[16];
static const u8 delta_b[16] = /* delta for brightness */
{0x50, 0x38, 0x2d, 0x28, 0x24, 0x21, 0x1e, 0x1d,
0xe0, 0xeb, 0xf4, 0xff, 0xff, 0xff, 0xff, 0xff},
};
- Tgamma = gamma_tb[sd->ctrls[GAMMA].val - 1];
+ Tgamma = gamma_tb[gamma - 1];
- contrast = ((int) sd->ctrls[CONTRAST].val - 128); /* -128 / 127 */
- brightness = ((int) sd->ctrls[BRIGHTNESS].val - 128); /* -128 / 92 */
+ contrast -= 128; /* -128 / 127 */
+ brightness -= 128; /* -128 / 92 */
adj = 0;
gp1 = gp2 = 0;
for (i = 0; i < 16; i++) {
reg_w(gspca_dev, gr[i], 0x0130 + i); /* gradient */
}
-static void getexposure(struct gspca_dev *gspca_dev)
+static s32 getexposure(struct gspca_dev *gspca_dev)
{
- struct sd *sd = (struct sd *) gspca_dev;
-
- if (sd->sensor != SENSOR_HV7131R)
- return;
- sd->ctrls[EXPOSURE].val = (i2c_read(gspca_dev, 0x25) << 9)
+ return (i2c_read(gspca_dev, 0x25) << 9)
| (i2c_read(gspca_dev, 0x26) << 1)
| (i2c_read(gspca_dev, 0x27) >> 7);
}
-static void setexposure(struct gspca_dev *gspca_dev)
+static void setexposure(struct gspca_dev *gspca_dev, s32 val)
{
- struct sd *sd = (struct sd *) gspca_dev;
- int val;
-
- if (sd->sensor != SENSOR_HV7131R)
- return;
- val = sd->ctrls[EXPOSURE].val;
i2c_write(gspca_dev, 0x25, val >> 9, 0x00);
i2c_write(gspca_dev, 0x26, val >> 1, 0x00);
i2c_write(gspca_dev, 0x27, val << 7, 0x00);
* 60Hz, for American lighting
* 0 = No Fliker (for outdoore usage)
*/
-static void setlightfreq(struct gspca_dev *gspca_dev)
+static void setlightfreq(struct gspca_dev *gspca_dev, s32 val)
{
struct sd *sd = (struct sd *) gspca_dev;
int i, mode;
tas5130c_60HZ, tas5130c_60HZScale},
};
- i = sd->ctrls[LIGHTFREQ].val * 2;
+ i = val * 2;
mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
if (mode)
i++; /* 320x240 */
usb_exchange(gspca_dev, zc3_freq);
switch (sd->sensor) {
case SENSOR_GC0305:
- if (mode /* if 320x240 */
- && sd->ctrls[LIGHTFREQ].val == 1) /* and 50Hz */
+ if (mode /* if 320x240 */
+ && val == 1) /* and 50Hz */
reg_w(gspca_dev, 0x85, 0x018d);
/* win: 0x80, 0x018d */
break;
case SENSOR_OV7620:
- if (!mode) { /* if 640x480 */
- if (sd->ctrls[LIGHTFREQ].val != 0) /* and filter */
+ if (!mode) { /* if 640x480 */
+ if (val != 0) /* and filter */
reg_w(gspca_dev, 0x40, 0x0002);
else
reg_w(gspca_dev, 0x44, 0x0002);
}
}
-static void setautogain(struct gspca_dev *gspca_dev)
+static void setautogain(struct gspca_dev *gspca_dev, s32 val)
{
- struct sd *sd = (struct sd *) gspca_dev;
- u8 autoval;
-
- if (sd->ctrls[AUTOGAIN].val)
- autoval = 0x42;
- else
- autoval = 0x02;
- reg_w(gspca_dev, autoval, 0x0180);
+ reg_w(gspca_dev, val ? 0x42 : 0x02, 0x0180);
}
/*
/* define some sensors from the vendor/product */
sd->sensor = id->driver_info;
- gspca_dev->cam.ctrls = sd->ctrls;
sd->reg08 = REG08_DEF;
INIT_WORK(&sd->work, transfer_update);
return 0;
}
-/* this function is called at probe and resume time */
-static int sd_init(struct gspca_dev *gspca_dev)
+static int zcxx_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
{
- struct sd *sd = (struct sd *) gspca_dev;
- struct cam *cam;
- int sensor;
+ struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler);
+ struct gspca_dev *gspca_dev = &sd->gspca_dev;
+
+ switch (ctrl->id) {
+ case V4L2_CID_AUTOGAIN:
+ gspca_dev->usb_err = 0;
+ if (ctrl->val && sd->exposure && gspca_dev->streaming)
+ sd->exposure->val = getexposure(gspca_dev);
+ return gspca_dev->usb_err;
+ }
+ return -EINVAL;
+}
+
+static int zcxx_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;
+ int i, qual;
+
+ gspca_dev->usb_err = 0;
+
+ if (ctrl->id == V4L2_CID_JPEG_COMPRESSION_QUALITY) {
+ qual = sd->reg08 >> 1;
+
+ for (i = 0; i < ARRAY_SIZE(jpeg_qual); i++) {
+ if (ctrl->val <= jpeg_qual[i])
+ break;
+ }
+ if (i > 0 && i == qual && ctrl->val < jpeg_qual[i])
+ i--;
+
+ /* With high quality settings we need max bandwidth */
+ if (i >= 2 && gspca_dev->streaming &&
+ !gspca_dev->cam.needs_full_bandwidth)
+ return -EBUSY;
+
+ sd->reg08 = (i << 1) | 1;
+ ctrl->val = jpeg_qual[i];
+ }
+
+ if (!gspca_dev->streaming)
+ return 0;
+
+ switch (ctrl->id) {
+ /* gamma/brightness/contrast cluster */
+ case V4L2_CID_GAMMA:
+ setcontrast(gspca_dev, sd->gamma->val,
+ sd->brightness->val, sd->contrast->val);
+ break;
+ /* autogain/exposure cluster */
+ case V4L2_CID_AUTOGAIN:
+ setautogain(gspca_dev, ctrl->val);
+ if (!gspca_dev->usb_err && !ctrl->val && sd->exposure)
+ setexposure(gspca_dev, sd->exposure->val);
+ break;
+ case V4L2_CID_POWER_LINE_FREQUENCY:
+ setlightfreq(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_SHARPNESS:
+ setsharpness(gspca_dev, ctrl->val);
+ break;
+ case V4L2_CID_JPEG_COMPRESSION_QUALITY:
+ setquality(gspca_dev);
+ break;
+ }
+ return gspca_dev->usb_err;
+}
+
+static const struct v4l2_ctrl_ops zcxx_ctrl_ops = {
+ .g_volatile_ctrl = zcxx_g_volatile_ctrl,
+ .s_ctrl = zcxx_s_ctrl,
+};
+
+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;
static const u8 gamma[SENSOR_MAX] = {
[SENSOR_ADCM2700] = 4,
[SENSOR_CS2102] = 4,
[SENSOR_PO2030] = 4,
[SENSOR_TAS5130C] = 3,
};
+
+ gspca_dev->vdev.ctrl_handler = hdl;
+ v4l2_ctrl_handler_init(hdl, 8);
+ sd->brightness = v4l2_ctrl_new_std(hdl, &zcxx_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
+ sd->contrast = v4l2_ctrl_new_std(hdl, &zcxx_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 255, 1, 128);
+ sd->gamma = v4l2_ctrl_new_std(hdl, &zcxx_ctrl_ops,
+ V4L2_CID_GAMMA, 1, 6, 1, gamma[sd->sensor]);
+ if (sd->sensor == SENSOR_HV7131R)
+ sd->exposure = v4l2_ctrl_new_std(hdl, &zcxx_ctrl_ops,
+ V4L2_CID_EXPOSURE, 0x30d, 0x493e, 1, 0x927);
+ sd->autogain = v4l2_ctrl_new_std(hdl, &zcxx_ctrl_ops,
+ V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
+ if (sd->sensor != SENSOR_OV7630C)
+ sd->plfreq = v4l2_ctrl_new_std_menu(hdl, &zcxx_ctrl_ops,
+ V4L2_CID_POWER_LINE_FREQUENCY,
+ V4L2_CID_POWER_LINE_FREQUENCY_60HZ, 0,
+ V4L2_CID_POWER_LINE_FREQUENCY_DISABLED);
+ sd->sharpness = v4l2_ctrl_new_std(hdl, &zcxx_ctrl_ops,
+ V4L2_CID_SHARPNESS, 0, 3, 1,
+ sd->sensor == SENSOR_PO2030 ? 0 : 2);
+ sd->jpegqual = v4l2_ctrl_new_std(hdl, &zcxx_ctrl_ops,
+ V4L2_CID_JPEG_COMPRESSION_QUALITY,
+ jpeg_qual[0], jpeg_qual[ARRAY_SIZE(jpeg_qual) - 1], 1,
+ jpeg_qual[REG08_DEF >> 1]);
+ if (hdl->error) {
+ pr_err("Could not initialize controls\n");
+ return hdl->error;
+ }
+ v4l2_ctrl_cluster(3, &sd->gamma);
+ if (sd->sensor == SENSOR_HV7131R)
+ v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, true);
+ return 0;
+}
+
+/* this function is called at probe and resume time */
+static int sd_init(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct cam *cam;
+ int sensor;
static const u8 mode_tb[SENSOR_MAX] = {
[SENSOR_ADCM2700] = 2,
[SENSOR_CS2102] = 1,
case 0x2030:
PDEBUG(D_PROBE, "Find Sensor PO2030");
sd->sensor = SENSOR_PO2030;
- sd->ctrls[SHARPNESS].def = 0; /* from win traces */
break;
case 0x7620:
PDEBUG(D_PROBE, "Find Sensor OV7620");
break;
}
- sd->ctrls[GAMMA].def = gamma[sd->sensor];
- sd->ctrls[QUALITY].def = jpeg_qual[sd->reg08 >> 1];
- sd->ctrls[QUALITY].min = jpeg_qual[0];
- sd->ctrls[QUALITY].max = jpeg_qual[ARRAY_SIZE(jpeg_qual) - 1];
-
- switch (sd->sensor) {
- case SENSOR_HV7131R:
- break;
- case SENSOR_OV7630C:
- gspca_dev->ctrl_dis = (1 << LIGHTFREQ) | (1 << EXPOSURE);
- break;
- default:
- gspca_dev->ctrl_dis = (1 << EXPOSURE);
- break;
- }
-#if AUTOGAIN_DEF
- if (sd->ctrls[AUTOGAIN].val)
- gspca_dev->ctrl_inac = (1 << EXPOSURE);
-#endif
-
/* switch off the led */
reg_w(gspca_dev, 0x01, 0x0000);
return gspca_dev->usb_err;
reg_w(gspca_dev, 0x03, 0x0008);
break;
}
- setsharpness(gspca_dev);
+ setsharpness(gspca_dev, v4l2_ctrl_g_ctrl(sd->sharpness));
/* set the gamma tables when not set */
switch (sd->sensor) {
case SENSOR_OV7630C:
break;
default:
- setcontrast(gspca_dev);
+ setcontrast(gspca_dev, v4l2_ctrl_g_ctrl(sd->gamma),
+ v4l2_ctrl_g_ctrl(sd->brightness),
+ v4l2_ctrl_g_ctrl(sd->contrast));
break;
}
setmatrix(gspca_dev); /* one more time? */
setquality(gspca_dev);
/* Start with BRC disabled, transfer_update will enable it if needed */
reg_w(gspca_dev, 0x00, 0x0007);
- setlightfreq(gspca_dev);
+ if (sd->plfreq)
+ setlightfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->plfreq));
switch (sd->sensor) {
case SENSOR_ADCM2700:
reg_w(gspca_dev, 0x40, 0x0117);
break;
case SENSOR_HV7131R:
- setexposure(gspca_dev);
+ setexposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure));
reg_w(gspca_dev, 0x00, ZC3XX_R1A7_CALCGLOBALMEAN);
break;
case SENSOR_GC0305:
break;
}
- setautogain(gspca_dev);
+ setautogain(gspca_dev, v4l2_ctrl_g_ctrl(sd->autogain));
if (gspca_dev->usb_err < 0)
return gspca_dev->usb_err;
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
}
-static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
-
- sd->ctrls[AUTOGAIN].val = val;
- if (val) {
- gspca_dev->ctrl_inac |= (1 << EXPOSURE);
- } else {
- gspca_dev->ctrl_inac &= ~(1 << EXPOSURE);
- if (gspca_dev->streaming)
- getexposure(gspca_dev);
- }
- if (gspca_dev->streaming)
- setautogain(gspca_dev);
- return gspca_dev->usb_err;
-}
-
-static int sd_querymenu(struct gspca_dev *gspca_dev,
- struct v4l2_querymenu *menu)
-{
- switch (menu->id) {
- case V4L2_CID_POWER_LINE_FREQUENCY:
- switch (menu->index) {
- case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
- strcpy((char *) menu->name, "NoFliker");
- return 0;
- case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
- strcpy((char *) menu->name, "50 Hz");
- return 0;
- case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
- strcpy((char *) menu->name, "60 Hz");
- return 0;
- }
- break;
- }
- return -EINVAL;
-}
-
-static int sd_setquality(struct gspca_dev *gspca_dev, __s32 val)
-{
- struct sd *sd = (struct sd *) gspca_dev;
- int i, qual = sd->reg08 >> 1;
-
- for (i = 0; i < ARRAY_SIZE(jpeg_qual); i++) {
- if (val <= jpeg_qual[i])
- break;
- }
- if (i > 0
- && i == qual
- && val < jpeg_qual[i])
- i--;
-
- /* With high quality settings we need max bandwidth */
- if (i >= 2 && gspca_dev->streaming &&
- !gspca_dev->cam.needs_full_bandwidth)
- return -EBUSY;
-
- sd->reg08 = (i << 1) | 1;
- sd->ctrls[QUALITY].val = jpeg_qual[i];
-
- if (gspca_dev->streaming)
- setquality(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;
- sd_setquality(gspca_dev, jcomp->quality);
- jcomp->quality = sd->ctrls[QUALITY].val;
- return gspca_dev->usb_err;
+ ret = v4l2_ctrl_s_ctrl(sd->jpegqual, jcomp->quality);
+ if (ret)
+ return ret;
+ jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);
+ return 0;
}
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->ctrls[QUALITY].val;
+ jcomp->quality = v4l2_ctrl_g_ctrl(sd->jpegqual);
jcomp->jpeg_markers = V4L2_JPEG_MARKER_DHT
| V4L2_JPEG_MARKER_DQT;
return 0;
static const struct sd_desc sd_desc = {
.name = KBUILD_MODNAME,
- .ctrls = sd_ctrls,
- .nctrls = ARRAY_SIZE(sd_ctrls),
.config = sd_config,
.init = sd_init,
+ .init_controls = sd_init_controls,
.isoc_init = sd_pre_start,
.start = sd_start,
.stop0 = sd_stop0,
.pkt_scan = sd_pkt_scan,
- .querymenu = sd_querymenu,
.get_jcomp = sd_get_jcomp,
.set_jcomp = sd_set_jcomp,
#if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE)
#ifdef CONFIG_PM
.suspend = gspca_suspend,
.resume = gspca_resume,
+ .reset_resume = gspca_resume,
#endif
};
projects / platform / kernel / linux-3.10.git / commitdiff