2 * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
3 * Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
4 * Copyright (c) 2002, 2003 Tuukka Toivonen
5 * Copyright (c) 2008 Erik Andrén
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 * P/N 861037: Sensor HDCS1000 ASIC STV0600
22 * P/N 861050-0010: Sensor HDCS1000 ASIC STV0600
23 * P/N 861050-0020: Sensor Photobit PB100 ASIC STV0600-1 - QuickCam Express
24 * P/N 861055: Sensor ST VV6410 ASIC STV0610 - LEGO cam
25 * P/N 861075-0040: Sensor HDCS1000 ASIC
26 * P/N 961179-0700: Sensor ST VV6410 ASIC STV0602 - Dexxa WebCam USB
27 * P/N 861040-0000: Sensor ST VV6410 ASIC STV0610 - QuickCam Web
30 #include "stv06xx_vv6410.h"
32 static struct v4l2_pix_format vv6410_mode[] = {
38 .sizeimage = 356 * 292,
40 .colorspace = V4L2_COLORSPACE_SRGB,
45 static const struct ctrl vv6410_ctrl[] = {
49 .type = V4L2_CTRL_TYPE_BOOLEAN,
50 .name = "horizontal flip",
56 .set = vv6410_set_hflip,
57 .get = vv6410_get_hflip
61 .type = V4L2_CTRL_TYPE_BOOLEAN,
62 .name = "vertical flip",
68 .set = vv6410_set_vflip,
69 .get = vv6410_get_vflip
73 .type = V4L2_CTRL_TYPE_INTEGER,
74 .name = "analog gain",
80 .set = vv6410_set_analog_gain,
81 .get = vv6410_get_analog_gain
85 static int vv6410_probe(struct sd *sd)
90 err = stv06xx_read_sensor(sd, VV6410_DEVICEH, &data);
96 info("vv6410 sensor detected");
98 sd->gspca_dev.cam.cam_mode = vv6410_mode;
99 sd->gspca_dev.cam.nmodes = ARRAY_SIZE(vv6410_mode);
100 sd->desc.ctrls = vv6410_ctrl;
101 sd->desc.nctrls = ARRAY_SIZE(vv6410_ctrl);
108 static int vv6410_init(struct sd *sd)
112 for (i = 0; i < ARRAY_SIZE(stv_bridge_init); i++) {
113 /* if NULL then len contains single value */
114 if (stv_bridge_init[i].data == NULL) {
115 err = stv06xx_write_bridge(sd,
116 stv_bridge_init[i].start,
117 stv_bridge_init[i].len);
120 for (j = 0; j < stv_bridge_init[i].len; j++)
121 err = stv06xx_write_bridge(sd,
122 stv_bridge_init[i].start + j,
123 stv_bridge_init[i].data[j]);
130 err = stv06xx_write_sensor_bytes(sd, (u8 *) vv6410_sensor_init,
131 ARRAY_SIZE(vv6410_sensor_init));
133 return (err < 0) ? err : 0;
136 static int vv6410_start(struct sd *sd)
139 struct cam *cam = &sd->gspca_dev.cam;
140 u32 priv = cam->cam_mode[sd->gspca_dev.curr_mode].priv;
142 if (priv & VV6410_CROP_TO_QVGA) {
143 PDEBUG(D_CONF, "Cropping to QVGA");
144 stv06xx_write_sensor(sd, VV6410_XENDH, 320 - 1);
145 stv06xx_write_sensor(sd, VV6410_YENDH, 240 - 1);
147 stv06xx_write_sensor(sd, VV6410_XENDH, 360 - 1);
148 stv06xx_write_sensor(sd, VV6410_YENDH, 294 - 1);
151 if (priv & VV6410_SUBSAMPLE) {
152 PDEBUG(D_CONF, "Enabling subsampling");
153 stv06xx_write_bridge(sd, STV_Y_CTRL, 0x02);
154 stv06xx_write_bridge(sd, STV_X_CTRL, 0x06);
156 stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x10);
158 stv06xx_write_bridge(sd, STV_Y_CTRL, 0x01);
159 stv06xx_write_bridge(sd, STV_X_CTRL, 0x0a);
161 stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x20);
165 err = stv06xx_write_bridge(sd, STV_LED_CTRL, LED_ON);
169 err = stv06xx_write_sensor(sd, VV6410_SETUP0, 0);
173 PDEBUG(D_STREAM, "Starting stream");
178 static int vv6410_stop(struct sd *sd)
183 err = stv06xx_write_bridge(sd, STV_LED_CTRL, LED_OFF);
187 err = stv06xx_write_sensor(sd, VV6410_SETUP0, VV6410_LOW_POWER_MODE);
191 PDEBUG(D_STREAM, "Halting stream");
193 return (err < 0) ? err : 0;
196 static int vv6410_dump(struct sd *sd)
201 info("Dumping all vv6410 sensor registers");
202 for (i = 0; i < 0xff && !err; i++) {
204 err = stv06xx_read_sensor(sd, i, &data);
205 info("Register 0x%x contained 0x%x", i, data);
207 return (err < 0) ? err : 0;
210 static int vv6410_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
214 struct sd *sd = (struct sd *) gspca_dev;
216 err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
218 *val = (i2c_data & VV6410_HFLIP) ? 1 : 0;
220 PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
222 return (err < 0) ? err : 0;
225 static int vv6410_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
229 struct sd *sd = (struct sd *) gspca_dev;
230 err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
235 i2c_data |= VV6410_HFLIP;
237 i2c_data &= ~VV6410_HFLIP;
239 PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
240 err = stv06xx_write_sensor(sd, VV6410_DATAFORMAT, i2c_data);
242 return (err < 0) ? err : 0;
245 static int vv6410_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
249 struct sd *sd = (struct sd *) gspca_dev;
251 err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
253 *val = (i2c_data & VV6410_VFLIP) ? 1 : 0;
255 PDEBUG(D_V4L2, "Read vertical flip %d", *val);
257 return (err < 0) ? err : 0;
260 static int vv6410_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
264 struct sd *sd = (struct sd *) gspca_dev;
265 err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
270 i2c_data |= VV6410_VFLIP;
272 i2c_data &= ~VV6410_VFLIP;
274 PDEBUG(D_V4L2, "Set vertical flip to %d", val);
275 err = stv06xx_write_sensor(sd, VV6410_DATAFORMAT, i2c_data);
277 return (err < 0) ? err : 0;
280 static int vv6410_get_analog_gain(struct gspca_dev *gspca_dev, __s32 *val)
284 struct sd *sd = (struct sd *) gspca_dev;
286 err = stv06xx_read_sensor(sd, VV6410_ANALOGGAIN, &i2c_data);
288 *val = i2c_data & 0xf;
290 PDEBUG(D_V4L2, "Read analog gain %d", *val);
292 return (err < 0) ? err : 0;
295 static int vv6410_set_analog_gain(struct gspca_dev *gspca_dev, __s32 val)
298 struct sd *sd = (struct sd *) gspca_dev;
300 PDEBUG(D_V4L2, "Set analog gain to %d", val);
301 err = stv06xx_write_sensor(sd, VV6410_ANALOGGAIN, 0xf0 | (val & 0xf));
303 return (err < 0) ? err : 0;