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path: root/drivers/media/usb/gspca/sn9c2028.c
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Diffstat (limited to 'drivers/media/usb/gspca/sn9c2028.c')
-rw-r--r--drivers/media/usb/gspca/sn9c2028.c241
1 files changed, 240 insertions, 1 deletions
diff --git a/drivers/media/usb/gspca/sn9c2028.c b/drivers/media/usb/gspca/sn9c2028.c
index 39b6b2e02963..c75b7388a85c 100644
--- a/drivers/media/usb/gspca/sn9c2028.c
+++ b/drivers/media/usb/gspca/sn9c2028.c
@@ -33,6 +33,16 @@ struct sd {
struct gspca_dev gspca_dev; /* !! must be the first item */
u8 sof_read;
u16 model;
+
+#define MIN_AVG_LUM 8500
+#define MAX_AVG_LUM 10000
+ int avg_lum;
+ u8 avg_lum_l;
+
+ struct { /* autogain and gain control cluster */
+ struct v4l2_ctrl *autogain;
+ struct v4l2_ctrl *gain;
+ };
};
struct init_command {
@@ -128,7 +138,7 @@ static int sn9c2028_long_command(struct gspca_dev *gspca_dev, u8 *command)
status = -1;
for (i = 0; i < 256 && status < 2; i++)
status = sn9c2028_read1(gspca_dev);
- if (status != 2) {
+ if (status < 0) {
pr_err("long command status read error %d\n", status);
return (status < 0) ? status : -EIO;
}
@@ -178,6 +188,9 @@ static int sd_config(struct gspca_dev *gspca_dev,
case 0x7005:
PDEBUG(D_PROBE, "Genius Smart 300 camera");
break;
+ case 0x7003:
+ PDEBUG(D_PROBE, "Genius Videocam Live v2");
+ break;
case 0x8000:
PDEBUG(D_PROBE, "DC31VC");
break;
@@ -248,6 +261,78 @@ static int run_start_commands(struct gspca_dev *gspca_dev,
return 0;
}
+static void set_gain(struct gspca_dev *gspca_dev, s32 g)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ struct init_command genius_vcam_live_gain_cmds[] = {
+ {{0x1d, 0x25, 0x10 /* This byte is gain */,
+ 0x20, 0xab, 0x00}, 0},
+ };
+ if (!gspca_dev->streaming)
+ return;
+
+ switch (sd->model) {
+ case 0x7003:
+ genius_vcam_live_gain_cmds[0].instruction[2] = g;
+ run_start_commands(gspca_dev, genius_vcam_live_gain_cmds,
+ ARRAY_SIZE(genius_vcam_live_gain_cmds));
+ break;
+ default:
+ break;
+ }
+}
+
+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) {
+ /* standalone gain control */
+ case V4L2_CID_GAIN:
+ set_gain(gspca_dev, ctrl->val);
+ break;
+ /* autogain */
+ case V4L2_CID_AUTOGAIN:
+ set_gain(gspca_dev, sd->gain->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 v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
+ struct sd *sd = (struct sd *)gspca_dev;
+
+ gspca_dev->vdev.ctrl_handler = hdl;
+ v4l2_ctrl_handler_init(hdl, 2);
+
+ switch (sd->model) {
+ case 0x7003:
+ sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_GAIN, 0, 20, 1, 0);
+ sd->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
+ V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
static int start_spy_cam(struct gspca_dev *gspca_dev)
{
struct init_command spy_start_commands[] = {
@@ -530,6 +615,119 @@ static int start_genius_cam(struct gspca_dev *gspca_dev)
ARRAY_SIZE(genius_start_commands));
}
+static int start_genius_videocam_live(struct gspca_dev *gspca_dev)
+{
+ int r;
+ struct sd *sd = (struct sd *) gspca_dev;
+ struct init_command genius_vcam_live_start_commands[] = {
+ {{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 0},
+ {{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x10, 0x00, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
+ {{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
+
+ {{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
+ {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
+ {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
+ {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
+ {{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
+ {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
+ {{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
+ {{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4},
+ {{0x1c, 0x20, 0x00, 0x2d, 0x00, 0x00}, 4},
+ {{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x13, 0x22, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x13, 0x23, 0x01, 0x01, 0x00, 0x00}, 4},
+ {{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4},
+ {{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4},
+ {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
+ {{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
+ {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4},
+ {{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
+ {{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4},
+ {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4},
+ {{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4},
+ {{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4},
+ {{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x01, 0x04, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x02, 0x92, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x25, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x26, 0x02, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x27, 0x88, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x30, 0x38, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x31, 0x2a, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x32, 0x2a, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x33, 0x2a, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x34, 0x02, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x5b, 0x0a, 0x00, 0x00, 0x00}, 4},
+ {{0x13, 0x25, 0x01, 0x28, 0x00, 0x00}, 4},
+ {{0x13, 0x26, 0x01, 0x1e, 0x00, 0x00}, 4},
+ {{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4},
+ {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4},
+ {{0x13, 0x29, 0x01, 0x62, 0x00, 0x00}, 4},
+ {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4},
+ {{0x13, 0x2d, 0x01, 0x03, 0x00, 0x00}, 4},
+ {{0x13, 0x2e, 0x01, 0x0f, 0x00, 0x00}, 4},
+ {{0x13, 0x2f, 0x01, 0x0c, 0x00, 0x00}, 4},
+ {{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x21, 0x2a, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x23, 0x28, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x11, 0x04, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x13, 0x03, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x15, 0xe0, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x16, 0x02, 0x00, 0x00, 0x00}, 4},
+ {{0x11, 0x17, 0x80, 0x00, 0x00, 0x00}, 4},
+ {{0x1c, 0x20, 0x00, 0x2a, 0x00, 0x00}, 1},
+ {{0x20, 0x34, 0xa1, 0x00, 0x00, 0x00}, 0},
+ /* Camera should start to capture now. */
+ {{0x12, 0x27, 0x01, 0x00, 0x00, 0x00}, 0},
+ {{0x1b, 0x32, 0x26, 0x00, 0x00, 0x00}, 0},
+ {{0x1d, 0x25, 0x10, 0x20, 0xab, 0x00}, 0},
+ };
+
+ r = run_start_commands(gspca_dev, genius_vcam_live_start_commands,
+ ARRAY_SIZE(genius_vcam_live_start_commands));
+ if (r < 0)
+ return r;
+
+ if (sd->gain)
+ set_gain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain));
+
+ return r;
+}
+
static int start_vivitar_cam(struct gspca_dev *gspca_dev)
{
struct init_command vivitar_start_commands[] = {
@@ -623,6 +821,9 @@ static int sd_start(struct gspca_dev *gspca_dev)
case 0x7005:
err_code = start_genius_cam(gspca_dev);
break;
+ case 0x7003:
+ err_code = start_genius_videocam_live(gspca_dev);
+ break;
case 0x8001:
err_code = start_spy_cam(gspca_dev);
break;
@@ -640,6 +841,8 @@ static int sd_start(struct gspca_dev *gspca_dev)
return -ENXIO;
}
+ sd->avg_lum = -1;
+
return err_code;
}
@@ -659,6 +862,39 @@ static void sd_stopN(struct gspca_dev *gspca_dev)
PERR("Camera Stop command failed");
}
+static void do_autogain(struct gspca_dev *gspca_dev, int avg_lum)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 cur_gain = v4l2_ctrl_g_ctrl(sd->gain);
+
+ if (avg_lum == -1)
+ return;
+
+ if (avg_lum < MIN_AVG_LUM) {
+ if (cur_gain == sd->gain->maximum)
+ return;
+ cur_gain++;
+ v4l2_ctrl_s_ctrl(sd->gain, cur_gain);
+ }
+ if (avg_lum > MAX_AVG_LUM) {
+ if (cur_gain == sd->gain->minimum)
+ return;
+ cur_gain--;
+ v4l2_ctrl_s_ctrl(sd->gain, cur_gain);
+ }
+
+}
+
+static void sd_dqcallback(struct gspca_dev *gspca_dev)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ if (sd->autogain == NULL || !v4l2_ctrl_g_ctrl(sd->autogain))
+ return;
+
+ do_autogain(gspca_dev, sd->avg_lum);
+}
+
/* Include sn9c2028 sof detection functions */
#include "sn9c2028.h"
@@ -693,14 +929,17 @@ static const struct sd_desc sd_desc = {
.name = MODULE_NAME,
.config = sd_config,
.init = sd_init,
+ .init_controls = sd_init_controls,
.start = sd_start,
.stopN = sd_stopN,
+ .dq_callback = sd_dqcallback,
.pkt_scan = sd_pkt_scan,
};
/* -- module initialisation -- */
static const struct usb_device_id device_table[] = {
{USB_DEVICE(0x0458, 0x7005)}, /* Genius Smart 300, version 2 */
+ {USB_DEVICE(0x0458, 0x7003)}, /* Genius Videocam Live v2 */
/* The Genius Smart is untested. I can't find an owner ! */
/* {USB_DEVICE(0x0c45, 0x8000)}, DC31VC, Don't know this camera */
{USB_DEVICE(0x0c45, 0x8001)}, /* Wild Planet digital spy cam */