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path: root/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c
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Diffstat (limited to 'drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c')
-rw-r--r--drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c251
1 files changed, 251 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c
new file mode 100644
index 00000000000..1ca91f2a6de
--- /dev/null
+++ b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.c
@@ -0,0 +1,251 @@
+/*
+ * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
+ * Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
+ * Copyright (c) 2002, 2003 Tuukka Toivonen
+ * Copyright (c) 2008 Erik Andrén
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * P/N 861037: Sensor HDCS1000 ASIC STV0600
+ * P/N 861050-0010: Sensor HDCS1000 ASIC STV0600
+ * P/N 861050-0020: Sensor Photobit PB100 ASIC STV0600-1 - QuickCam Express
+ * P/N 861055: Sensor ST VV6410 ASIC STV0610 - LEGO cam
+ * P/N 861075-0040: Sensor HDCS1000 ASIC
+ * P/N 961179-0700: Sensor ST VV6410 ASIC STV0602 - Dexxa WebCam USB
+ * P/N 861040-0000: Sensor ST VV6410 ASIC STV0610 - QuickCam Web
+ */
+
+#include "stv06xx_vv6410.h"
+
+static int vv6410_probe(struct sd *sd)
+{
+ u16 data;
+ int err;
+
+ err = stv06xx_read_sensor(sd, VV6410_DEVICEH, &data);
+
+ if (err < 0)
+ return -ENODEV;
+
+ if (data == 0x19) {
+ info("vv6410 sensor detected");
+
+ sd->gspca_dev.cam.cam_mode = stv06xx_sensor_vv6410.modes;
+ sd->gspca_dev.cam.nmodes = stv06xx_sensor_vv6410.nmodes;
+ sd->desc.ctrls = stv06xx_sensor_vv6410.ctrls;
+ sd->desc.nctrls = stv06xx_sensor_vv6410.nctrls;
+ return 0;
+ }
+
+ return -ENODEV;
+}
+
+static int vv6410_init(struct sd *sd)
+{
+ int err = 0, i;
+
+ for (i = 0; i < ARRAY_SIZE(stv_bridge_init); i++) {
+ /* if NULL then len contains single value */
+ if (stv_bridge_init[i].data == NULL) {
+ err = stv06xx_write_bridge(sd,
+ stv_bridge_init[i].start,
+ stv_bridge_init[i].len);
+ } else {
+ int j;
+ for (j = 0; j < stv_bridge_init[i].len; j++)
+ err = stv06xx_write_bridge(sd,
+ stv_bridge_init[i].start + j,
+ stv_bridge_init[i].data[j]);
+ }
+ }
+
+ if (err < 0)
+ return err;
+
+ err = stv06xx_write_sensor_bytes(sd, (u8 *) vv6410_sensor_init,
+ ARRAY_SIZE(vv6410_sensor_init));
+
+ return (err < 0) ? err : 0;
+}
+
+static int vv6410_start(struct sd *sd)
+{
+ int err;
+ struct cam *cam = &sd->gspca_dev.cam;
+ u32 priv = cam->cam_mode[sd->gspca_dev.curr_mode].priv;
+
+ if (priv & VV6410_CROP_TO_QVGA) {
+ PDEBUG(D_CONF, "Cropping to QVGA");
+ stv06xx_write_sensor(sd, VV6410_XENDH, 320 - 1);
+ stv06xx_write_sensor(sd, VV6410_YENDH, 240 - 1);
+ } else {
+ stv06xx_write_sensor(sd, VV6410_XENDH, 360 - 1);
+ stv06xx_write_sensor(sd, VV6410_YENDH, 294 - 1);
+ }
+
+ if (priv & VV6410_SUBSAMPLE) {
+ PDEBUG(D_CONF, "Enabling subsampling");
+ stv06xx_write_bridge(sd, STV_Y_CTRL, 0x02);
+ stv06xx_write_bridge(sd, STV_X_CTRL, 0x06);
+
+ stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x10);
+ } else {
+ stv06xx_write_bridge(sd, STV_Y_CTRL, 0x01);
+ stv06xx_write_bridge(sd, STV_X_CTRL, 0x0a);
+
+ stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x20);
+ }
+
+ /* Turn on LED */
+ err = stv06xx_write_bridge(sd, STV_LED_CTRL, LED_ON);
+ if (err < 0)
+ return err;
+
+ err = stv06xx_write_sensor(sd, VV6410_SETUP0, 0);
+ if (err < 0)
+ return err;
+
+ PDEBUG(D_STREAM, "Starting stream");
+
+ return 0;
+}
+
+static int vv6410_stop(struct sd *sd)
+{
+ int err;
+
+ /* Turn off LED */
+ err = stv06xx_write_bridge(sd, STV_LED_CTRL, LED_OFF);
+ if (err < 0)
+ return err;
+
+ err = stv06xx_write_sensor(sd, VV6410_SETUP0, VV6410_LOW_POWER_MODE);
+ if (err < 0)
+ return err;
+
+ PDEBUG(D_STREAM, "Halting stream");
+
+ return (err < 0) ? err : 0;
+}
+
+static int vv6410_dump(struct sd *sd)
+{
+ u8 i;
+ int err = 0;
+
+ info("Dumping all vv6410 sensor registers");
+ for (i = 0; i < 0xff && !err; i++) {
+ u16 data;
+ err = stv06xx_read_sensor(sd, i, &data);
+ info("Register 0x%x contained 0x%x", i, data);
+ }
+ return (err < 0) ? err : 0;
+}
+
+static int vv6410_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ int err;
+ u16 i2c_data;
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
+
+ *val = (i2c_data & VV6410_HFLIP) ? 1 : 0;
+
+ PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
+
+ return (err < 0) ? err : 0;
+}
+
+static int vv6410_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+ int err;
+ u16 i2c_data;
+ struct sd *sd = (struct sd *) gspca_dev;
+ err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
+ if (err < 0)
+ return err;
+
+ if (val)
+ i2c_data |= VV6410_HFLIP;
+ else
+ i2c_data &= ~VV6410_HFLIP;
+
+ PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
+ err = stv06xx_write_sensor(sd, VV6410_DATAFORMAT, i2c_data);
+
+ return (err < 0) ? err : 0;
+}
+
+static int vv6410_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ int err;
+ u16 i2c_data;
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
+
+ *val = (i2c_data & VV6410_VFLIP) ? 1 : 0;
+
+ PDEBUG(D_V4L2, "Read vertical flip %d", *val);
+
+ return (err < 0) ? err : 0;
+}
+
+static int vv6410_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
+{
+ int err;
+ u16 i2c_data;
+ struct sd *sd = (struct sd *) gspca_dev;
+ err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
+ if (err < 0)
+ return err;
+
+ if (val)
+ i2c_data |= VV6410_VFLIP;
+ else
+ i2c_data &= ~VV6410_VFLIP;
+
+ PDEBUG(D_V4L2, "Set vertical flip to %d", val);
+ err = stv06xx_write_sensor(sd, VV6410_DATAFORMAT, i2c_data);
+
+ return (err < 0) ? err : 0;
+}
+
+static int vv6410_get_analog_gain(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ int err;
+ u16 i2c_data;
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ err = stv06xx_read_sensor(sd, VV6410_ANALOGGAIN, &i2c_data);
+
+ *val = i2c_data & 0xf;
+
+ PDEBUG(D_V4L2, "Read analog gain %d", *val);
+
+ return (err < 0) ? err : 0;
+}
+
+static int vv6410_set_analog_gain(struct gspca_dev *gspca_dev, __s32 val)
+{
+ int err;
+ struct sd *sd = (struct sd *) gspca_dev;
+
+ PDEBUG(D_V4L2, "Set analog gain to %d", val);
+ err = stv06xx_write_sensor(sd, VV6410_ANALOGGAIN, 0xf0 | (val & 0xf));
+
+ return (err < 0) ? err : 0;
+}