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 int vv6410_probe(struct sd *sd)
37 err = stv06xx_read_sensor(sd, VV6410_DEVICEH, &data);
43 info("vv6410 sensor detected");
45 sd->gspca_dev.cam.cam_mode = stv06xx_sensor_vv6410.modes;
46 sd->gspca_dev.cam.nmodes = stv06xx_sensor_vv6410.nmodes;
47 sd->desc.ctrls = stv06xx_sensor_vv6410.ctrls;
48 sd->desc.nctrls = stv06xx_sensor_vv6410.nctrls;
55 static int vv6410_init(struct sd *sd)
59 for (i = 0; i < ARRAY_SIZE(stv_bridge_init); i++) {
60 /* if NULL then len contains single value */
61 if (stv_bridge_init[i].data == NULL) {
62 err = stv06xx_write_bridge(sd,
63 stv_bridge_init[i].start,
64 stv_bridge_init[i].len);
67 for (j = 0; j < stv_bridge_init[i].len; j++)
68 err = stv06xx_write_bridge(sd,
69 stv_bridge_init[i].start + j,
70 stv_bridge_init[i].data[j]);
77 err = stv06xx_write_sensor_bytes(sd, (u8 *) vv6410_sensor_init,
78 ARRAY_SIZE(vv6410_sensor_init));
80 return (err < 0) ? err : 0;
83 static int vv6410_start(struct sd *sd)
86 struct cam *cam = &sd->gspca_dev.cam;
87 u32 priv = cam->cam_mode[sd->gspca_dev.curr_mode].priv;
89 if (priv & VV6410_CROP_TO_QVGA) {
90 PDEBUG(D_CONF, "Cropping to QVGA");
91 stv06xx_write_sensor(sd, VV6410_XENDH, 320 - 1);
92 stv06xx_write_sensor(sd, VV6410_YENDH, 240 - 1);
94 stv06xx_write_sensor(sd, VV6410_XENDH, 360 - 1);
95 stv06xx_write_sensor(sd, VV6410_YENDH, 294 - 1);
98 if (priv & VV6410_SUBSAMPLE) {
99 PDEBUG(D_CONF, "Enabling subsampling");
100 stv06xx_write_bridge(sd, STV_Y_CTRL, 0x02);
101 stv06xx_write_bridge(sd, STV_X_CTRL, 0x06);
103 stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x10);
105 stv06xx_write_bridge(sd, STV_Y_CTRL, 0x01);
106 stv06xx_write_bridge(sd, STV_X_CTRL, 0x0a);
108 stv06xx_write_bridge(sd, STV_SCAN_RATE, 0x20);
112 err = stv06xx_write_bridge(sd, STV_LED_CTRL, LED_ON);
116 err = stv06xx_write_sensor(sd, VV6410_SETUP0, 0);
120 PDEBUG(D_STREAM, "Starting stream");
125 static int vv6410_stop(struct sd *sd)
130 err = stv06xx_write_bridge(sd, STV_LED_CTRL, LED_OFF);
134 err = stv06xx_write_sensor(sd, VV6410_SETUP0, VV6410_LOW_POWER_MODE);
138 PDEBUG(D_STREAM, "Halting stream");
140 return (err < 0) ? err : 0;
143 static int vv6410_dump(struct sd *sd)
148 info("Dumping all vv6410 sensor registers");
149 for (i = 0; i < 0xff && !err; i++) {
151 err = stv06xx_read_sensor(sd, i, &data);
152 info("Register 0x%x contained 0x%x", i, data);
154 return (err < 0) ? err : 0;
157 static int vv6410_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
161 struct sd *sd = (struct sd *) gspca_dev;
163 err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
165 *val = (i2c_data & VV6410_HFLIP) ? 1 : 0;
167 PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
169 return (err < 0) ? err : 0;
172 static int vv6410_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
176 struct sd *sd = (struct sd *) gspca_dev;
177 err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
182 i2c_data |= VV6410_HFLIP;
184 i2c_data &= ~VV6410_HFLIP;
186 PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
187 err = stv06xx_write_sensor(sd, VV6410_DATAFORMAT, i2c_data);
189 return (err < 0) ? err : 0;
192 static int vv6410_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
196 struct sd *sd = (struct sd *) gspca_dev;
198 err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
200 *val = (i2c_data & VV6410_VFLIP) ? 1 : 0;
202 PDEBUG(D_V4L2, "Read vertical flip %d", *val);
204 return (err < 0) ? err : 0;
207 static int vv6410_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
211 struct sd *sd = (struct sd *) gspca_dev;
212 err = stv06xx_read_sensor(sd, VV6410_DATAFORMAT, &i2c_data);
217 i2c_data |= VV6410_VFLIP;
219 i2c_data &= ~VV6410_VFLIP;
221 PDEBUG(D_V4L2, "Set vertical flip to %d", val);
222 err = stv06xx_write_sensor(sd, VV6410_DATAFORMAT, i2c_data);
224 return (err < 0) ? err : 0;
227 static int vv6410_get_analog_gain(struct gspca_dev *gspca_dev, __s32 *val)
231 struct sd *sd = (struct sd *) gspca_dev;
233 err = stv06xx_read_sensor(sd, VV6410_ANALOGGAIN, &i2c_data);
235 *val = i2c_data & 0xf;
237 PDEBUG(D_V4L2, "Read analog gain %d", *val);
239 return (err < 0) ? err : 0;
242 static int vv6410_set_analog_gain(struct gspca_dev *gspca_dev, __s32 val)
245 struct sd *sd = (struct sd *) gspca_dev;
247 PDEBUG(D_V4L2, "Set analog gain to %d", val);
248 err = stv06xx_write_sensor(sd, VV6410_ANALOGGAIN, 0xf0 | (val & 0xf));
250 return (err < 0) ? err : 0;