1 /*
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
6 *
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.
11 *
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.
16 *
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
20 *
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
28 */
29
30 #ifndef STV06XX_VV6410_H_
31 #define STV06XX_VV6410_H_
32
33 #include "stv06xx_sensor.h"
34
35 #define VV6410_COLS 416
36 #define VV6410_ROWS 320
37
38 /* Status registers */
39 /* Chip identification number including revision indicator */
40 #define VV6410_DEVICEH 0x00
41 #define VV6410_DEVICEL 0x01
42
43 /* User can determine whether timed I2C data
44 has been consumed by interrogating flag states */
45 #define VV6410_STATUS0 0x02
46
47 /* Current line counter value */
48 #define VV6410_LINECOUNTH 0x03
49 #define VV6410_LINECOUNTL 0x04
50
51 /* End x coordinate of image size */
52 #define VV6410_XENDH 0x05
53 #define VV6410_XENDL 0x06
54
55 /* End y coordinate of image size */
56 #define VV6410_YENDH 0x07
57 #define VV6410_YENDL 0x08
58
59 /* This is the average pixel value returned from the
60 dark line offset cancellation algorithm */
61 #define VV6410_DARKAVGH 0x09
62 #define VV6410_DARKAVGL 0x0a
63
64 /* This is the average pixel value returned from the
65 black line offset cancellation algorithm */
66 #define VV6410_BLACKAVGH 0x0b
67 #define VV6410_BLACKAVGL 0x0c
68
69 /* Flags to indicate whether the x or y image coordinates have been clipped */
70 #define VV6410_STATUS1 0x0d
71
72 /* Setup registers */
73
74 /* Low-power/sleep modes & video timing */
75 #define VV6410_SETUP0 0x10
76
77 /* Various parameters */
78 #define VV6410_SETUP1 0x11
79
80 /* Contains pixel counter reset value used by external sync */
81 #define VV6410_SYNCVALUE 0x12
82
83 /* Frame grabbing modes (FST, LST and QCK) */
84 #define VV6410_FGMODES 0x14
85
86 /* FST and QCK mapping modes. */
87 #define VV6410_PINMAPPING 0x15
88
89 /* Data resolution */
90 #define VV6410_DATAFORMAT 0x16
91
92 /* Output coding formats */
93 #define VV6410_OPFORMAT 0x17
94
95 /* Various mode select bits */
96 #define VV6410_MODESELECT 0x18
97
98 /* Exposure registers */
99 /* Fine exposure. */
100 #define VV6410_FINEH 0x20
101 #define VV6410_FINEL 0x21
102
103 /* Coarse exposure */
104 #define VV6410_COARSEH 0x22
105 #define VV6410_COARSEL 0x23
106
107 /* Analog gain setting */
108 #define VV6410_ANALOGGAIN 0x24
109
110 /* Clock division */
111 #define VV6410_CLKDIV 0x25
112
113 /* Dark line offset cancellation value */
114 #define VV6410_DARKOFFSETH 0x2c
115 #define VV6410_DARKOFFSETL 0x2d
116
117 /* Dark line offset cancellation enable */
118 #define VV6410_DARKOFFSETSETUP 0x2e
119
120 /* Video timing registers */
121 /* Line Length (Pixel Clocks) */
122 #define VV6410_LINELENGTHH 0x52
123 #define VV6410_LINELENGTHL 0x53
124
125 /* X-co-ordinate of top left corner of region of interest (x-offset) */
126 #define VV6410_XOFFSETH 0x57
127 #define VV6410_XOFFSETL 0x58
128
129 /* Y-coordinate of top left corner of region of interest (y-offset) */
130 #define VV6410_YOFFSETH 0x59
131 #define VV6410_YOFFSETL 0x5a
132
133 /* Field length (Lines) */
134 #define VV6410_FIELDLENGTHH 0x61
135 #define VV6410_FIELDLENGTHL 0x62
136
137 /* System registers */
138 /* Black offset cancellation default value */
139 #define VV6410_BLACKOFFSETH 0x70
140 #define VV6410_BLACKOFFSETL 0x71
141
142 /* Black offset cancellation setup */
143 #define VV6410_BLACKOFFSETSETUP 0x72
144
145 /* Analog Control Register 0 */
146 #define VV6410_CR0 0x75
147
148 /* Analog Control Register 1 */
149 #define VV6410_CR1 0x76
150
151 /* ADC Setup Register */
152 #define VV6410_AS0 0x77
153
154 /* Analog Test Register */
155 #define VV6410_AT0 0x78
156
157 /* Audio Amplifier Setup Register */
158 #define VV6410_AT1 0x79
159
160 #define VV6410_HFLIP (1 << 3)
161 #define VV6410_VFLIP (1 << 4)
162
163 #define VV6410_LOW_POWER_MODE (1 << 0)
164 #define VV6410_SOFT_RESET (1 << 2)
165 #define VV6410_PAL_25_FPS (0 << 3)
166
167 #define VV6410_CLK_DIV_2 (1 << 1)
168
169 #define VV6410_FINE_EXPOSURE 320
170 #define VV6410_COARSE_EXPOSURE 192
171 #define VV6410_DEFAULT_GAIN 5
172
173 #define VV6410_SUBSAMPLE 0x01
174 #define VV6410_CROP_TO_QVGA 0x02
175
176 #define VV6410_CIF_LINELENGTH 415
177
178 static int vv6410_probe(struct sd *sd);
179 static int vv6410_start(struct sd *sd);
180 static int vv6410_init(struct sd *sd);
181 static int vv6410_stop(struct sd *sd);
182 static int vv6410_dump(struct sd *sd);
183 static void vv6410_disconnect(struct sd *sd);
184
185 /* V4L2 controls supported by the driver */
186 static int vv6410_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
187 static int vv6410_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
188 static int vv6410_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
189 static int vv6410_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
190 static int vv6410_get_analog_gain(struct gspca_dev *gspca_dev, __s32 *val);
191 static int vv6410_set_analog_gain(struct gspca_dev *gspca_dev, __s32 val);
192 static int vv6410_get_exposure(struct gspca_dev *gspca_dev, __s32 *val);
193 static int vv6410_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
194
195 const struct stv06xx_sensor stv06xx_sensor_vv6410 = {
196 .name = "ST VV6410",
197 .i2c_flush = 5,
198 .i2c_addr = 0x20,
199 .i2c_len = 1,
200 .init = vv6410_init,
201 .probe = vv6410_probe,
202 .start = vv6410_start,
203 .stop = vv6410_stop,
204 .dump = vv6410_dump,
205 .disconnect = vv6410_disconnect,
206 };
207
208 /* If NULL, only single value to write, stored in len */
209 struct stv_init {
210 const u8 *data;
211 u16 start;
212 u8 len;
213 };
214
215 static const u8 x1500[] = { /* 0x1500 - 0x150f */
216 0x0b, 0xa7, 0xb7, 0x00, 0x00
217 };
218
219 static const u8 x1536[] = { /* 0x1536 - 0x153b */
220 0x02, 0x00, 0x60, 0x01, 0x20, 0x01
221 };
222
223 static const u8 x15c1[] = { /* 0x15c1 - 0x15c2 */
224 0xff, 0x03 /* Output word 0x03ff = 1023 (ISO size) */
225 };
226
227 static const struct stv_init stv_bridge_init[] = {
228 /* This reg is written twice. Some kind of reset? */
229 {NULL, 0x1620, 0x80},
230 {NULL, 0x1620, 0x00},
231 {NULL, 0x1423, 0x04},
232 {x1500, 0x1500, ARRAY_SIZE(x1500)},
233 {x1536, 0x1536, ARRAY_SIZE(x1536)},
234 {x15c1, 0x15c1, ARRAY_SIZE(x15c1)}
235 };
236
237 static const u8 vv6410_sensor_init[][2] = {
238 /* Setup registers */
239 {VV6410_SETUP0, VV6410_SOFT_RESET},
240 {VV6410_SETUP0, VV6410_LOW_POWER_MODE},
241 /* Use shuffled read-out mode */
242 {VV6410_SETUP1, BIT(6)},
243 /* All modes to 1 */
244 {VV6410_FGMODES, BIT(6) | BIT(4) | BIT(2) | BIT(0)},
245 {VV6410_PINMAPPING, 0x00},
246 /* Pre-clock generator divide off */
247 {VV6410_DATAFORMAT, BIT(7) | BIT(0)},
248
249 {VV6410_CLKDIV, VV6410_CLK_DIV_2},
250
251 /* System registers */
252 /* Enable voltage doubler */
253 {VV6410_AS0, BIT(6) | BIT(4) | BIT(3) | BIT(2) | BIT(1)},
254 {VV6410_AT0, 0x00},
255 /* Power up audio, differential */
256 {VV6410_AT1, BIT(4)|BIT(0)},
257 };
258
259 #endif
260
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