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
[] = {
50 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
51 .name
= "horizontal flip",
57 .set
= vv6410_set_hflip
,
58 .get
= vv6410_get_hflip
64 .type
= V4L2_CTRL_TYPE_BOOLEAN
,
65 .name
= "vertical flip",
71 .set
= vv6410_set_vflip
,
72 .get
= vv6410_get_vflip
78 .type
= V4L2_CTRL_TYPE_INTEGER
,
79 .name
= "analog gain",
85 .set
= vv6410_set_analog_gain
,
86 .get
= vv6410_get_analog_gain
90 static int vv6410_probe(struct sd
*sd
)
96 err
= stv06xx_read_sensor(sd
, VV6410_DEVICEH
, &data
);
101 info("vv6410 sensor detected");
103 sensor_settings
= kmalloc(ARRAY_SIZE(vv6410_ctrl
) * sizeof(s32
),
105 if (!sensor_settings
)
108 sd
->gspca_dev
.cam
.cam_mode
= vv6410_mode
;
109 sd
->gspca_dev
.cam
.nmodes
= ARRAY_SIZE(vv6410_mode
);
110 sd
->desc
.ctrls
= vv6410_ctrl
;
111 sd
->desc
.nctrls
= ARRAY_SIZE(vv6410_ctrl
);
113 for (i
= 0; i
< sd
->desc
.nctrls
; i
++)
114 sensor_settings
[i
] = vv6410_ctrl
[i
].qctrl
.default_value
;
115 sd
->sensor_priv
= sensor_settings
;
121 static int vv6410_init(struct sd
*sd
)
125 for (i
= 0; i
< ARRAY_SIZE(stv_bridge_init
); i
++) {
126 /* if NULL then len contains single value */
127 if (stv_bridge_init
[i
].data
== NULL
) {
128 err
= stv06xx_write_bridge(sd
,
129 stv_bridge_init
[i
].start
,
130 stv_bridge_init
[i
].len
);
133 for (j
= 0; j
< stv_bridge_init
[i
].len
; j
++)
134 err
= stv06xx_write_bridge(sd
,
135 stv_bridge_init
[i
].start
+ j
,
136 stv_bridge_init
[i
].data
[j
]);
143 err
= stv06xx_write_sensor_bytes(sd
, (u8
*) vv6410_sensor_init
,
144 ARRAY_SIZE(vv6410_sensor_init
));
146 return (err
< 0) ? err
: 0;
149 static void vv6410_disconnect(struct sd
*sd
)
152 kfree(sd
->sensor_priv
);
155 static int vv6410_start(struct sd
*sd
)
158 struct cam
*cam
= &sd
->gspca_dev
.cam
;
159 u32 priv
= cam
->cam_mode
[sd
->gspca_dev
.curr_mode
].priv
;
161 if (priv
& VV6410_CROP_TO_QVGA
) {
162 PDEBUG(D_CONF
, "Cropping to QVGA");
163 stv06xx_write_sensor(sd
, VV6410_XENDH
, 320 - 1);
164 stv06xx_write_sensor(sd
, VV6410_YENDH
, 240 - 1);
166 stv06xx_write_sensor(sd
, VV6410_XENDH
, 360 - 1);
167 stv06xx_write_sensor(sd
, VV6410_YENDH
, 294 - 1);
170 if (priv
& VV6410_SUBSAMPLE
) {
171 PDEBUG(D_CONF
, "Enabling subsampling");
172 stv06xx_write_bridge(sd
, STV_Y_CTRL
, 0x02);
173 stv06xx_write_bridge(sd
, STV_X_CTRL
, 0x06);
175 stv06xx_write_bridge(sd
, STV_SCAN_RATE
, 0x10);
177 stv06xx_write_bridge(sd
, STV_Y_CTRL
, 0x01);
178 stv06xx_write_bridge(sd
, STV_X_CTRL
, 0x0a);
180 stv06xx_write_bridge(sd
, STV_SCAN_RATE
, 0x20);
184 err
= stv06xx_write_bridge(sd
, STV_LED_CTRL
, LED_ON
);
188 err
= stv06xx_write_sensor(sd
, VV6410_SETUP0
, 0);
192 PDEBUG(D_STREAM
, "Starting stream");
197 static int vv6410_stop(struct sd
*sd
)
202 err
= stv06xx_write_bridge(sd
, STV_LED_CTRL
, LED_OFF
);
206 err
= stv06xx_write_sensor(sd
, VV6410_SETUP0
, VV6410_LOW_POWER_MODE
);
210 PDEBUG(D_STREAM
, "Halting stream");
212 return (err
< 0) ? err
: 0;
215 static int vv6410_dump(struct sd
*sd
)
220 info("Dumping all vv6410 sensor registers");
221 for (i
= 0; i
< 0xff && !err
; i
++) {
223 err
= stv06xx_read_sensor(sd
, i
, &data
);
224 info("Register 0x%x contained 0x%x", i
, data
);
226 return (err
< 0) ? err
: 0;
229 static int vv6410_get_hflip(struct gspca_dev
*gspca_dev
, __s32
*val
)
231 struct sd
*sd
= (struct sd
*) gspca_dev
;
232 s32
*sensor_settings
= sd
->sensor_priv
;
234 *val
= sensor_settings
[HFLIP_IDX
];
235 PDEBUG(D_V4L2
, "Read horizontal flip %d", *val
);
240 static int vv6410_set_hflip(struct gspca_dev
*gspca_dev
, __s32 val
)
244 struct sd
*sd
= (struct sd
*) gspca_dev
;
245 s32
*sensor_settings
= sd
->sensor_priv
;
247 sensor_settings
[HFLIP_IDX
] = val
;
248 err
= stv06xx_read_sensor(sd
, VV6410_DATAFORMAT
, &i2c_data
);
253 i2c_data
|= VV6410_HFLIP
;
255 i2c_data
&= ~VV6410_HFLIP
;
257 PDEBUG(D_V4L2
, "Set horizontal flip to %d", val
);
258 err
= stv06xx_write_sensor(sd
, VV6410_DATAFORMAT
, i2c_data
);
260 return (err
< 0) ? err
: 0;
263 static int vv6410_get_vflip(struct gspca_dev
*gspca_dev
, __s32
*val
)
265 struct sd
*sd
= (struct sd
*) gspca_dev
;
266 s32
*sensor_settings
= sd
->sensor_priv
;
268 *val
= sensor_settings
[VFLIP_IDX
];
269 PDEBUG(D_V4L2
, "Read vertical flip %d", *val
);
274 static int vv6410_set_vflip(struct gspca_dev
*gspca_dev
, __s32 val
)
278 struct sd
*sd
= (struct sd
*) gspca_dev
;
279 s32
*sensor_settings
= sd
->sensor_priv
;
281 sensor_settings
[VFLIP_IDX
] = val
;
282 err
= stv06xx_read_sensor(sd
, VV6410_DATAFORMAT
, &i2c_data
);
287 i2c_data
|= VV6410_VFLIP
;
289 i2c_data
&= ~VV6410_VFLIP
;
291 PDEBUG(D_V4L2
, "Set vertical flip to %d", val
);
292 err
= stv06xx_write_sensor(sd
, VV6410_DATAFORMAT
, i2c_data
);
294 return (err
< 0) ? err
: 0;
297 static int vv6410_get_analog_gain(struct gspca_dev
*gspca_dev
, __s32
*val
)
299 struct sd
*sd
= (struct sd
*) gspca_dev
;
300 s32
*sensor_settings
= sd
->sensor_priv
;
302 *val
= sensor_settings
[GAIN_IDX
];
304 PDEBUG(D_V4L2
, "Read analog gain %d", *val
);
309 static int vv6410_set_analog_gain(struct gspca_dev
*gspca_dev
, __s32 val
)
312 struct sd
*sd
= (struct sd
*) gspca_dev
;
313 s32
*sensor_settings
= sd
->sensor_priv
;
315 sensor_settings
[GAIN_IDX
] = val
;
316 PDEBUG(D_V4L2
, "Set analog gain to %d", val
);
317 err
= stv06xx_write_sensor(sd
, VV6410_ANALOGGAIN
, 0xf0 | (val
& 0xf));
319 return (err
< 0) ? err
: 0;