xref: /linux/drivers/media/usb/gspca/stv06xx/stv06xx_vv6410.h (revision 75bf465f0bc33e9b776a46d6a1b9b990f5fb7c37)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
4  *		      Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
5  * Copyright (c) 2002, 2003 Tuukka Toivonen
6  * Copyright (c) 2008 Erik Andrén
7  *
8  * P/N 861037:      Sensor HDCS1000        ASIC STV0600
9  * P/N 861050-0010: Sensor HDCS1000        ASIC STV0600
10  * P/N 861050-0020: Sensor Photobit PB100  ASIC STV0600-1 - QuickCam Express
11  * P/N 861055:      Sensor ST VV6410       ASIC STV0610   - LEGO cam
12  * P/N 861075-0040: Sensor HDCS1000        ASIC
13  * P/N 961179-0700: Sensor ST VV6410       ASIC STV0602   - Dexxa WebCam USB
14  * P/N 861040-0000: Sensor ST VV6410       ASIC STV0610   - QuickCam Web
15  */
16 
17 #ifndef STV06XX_VV6410_H_
18 #define STV06XX_VV6410_H_
19 
20 #include "stv06xx_sensor.h"
21 
22 #define VV6410_COLS			416
23 #define VV6410_ROWS			320
24 
25 /* Status registers */
26 /* Chip identification number including revision indicator */
27 #define VV6410_DEVICEH			0x00
28 #define VV6410_DEVICEL			0x01
29 
30 /* User can determine whether timed I2C data
31    has been consumed by interrogating flag states */
32 #define VV6410_STATUS0			0x02
33 
34 /* Current line counter value */
35 #define VV6410_LINECOUNTH		0x03
36 #define VV6410_LINECOUNTL		0x04
37 
38 /* End x coordinate of image size */
39 #define VV6410_XENDH			0x05
40 #define VV6410_XENDL			0x06
41 
42 /* End y coordinate of image size */
43 #define VV6410_YENDH			0x07
44 #define VV6410_YENDL			0x08
45 
46 /* This is the average pixel value returned from the
47    dark line offset cancellation algorithm */
48 #define VV6410_DARKAVGH			0x09
49 #define VV6410_DARKAVGL			0x0a
50 
51 /* This is the average pixel value returned from the
52    black line offset cancellation algorithm  */
53 #define VV6410_BLACKAVGH		0x0b
54 #define VV6410_BLACKAVGL		0x0c
55 
56 /* Flags to indicate whether the x or y image coordinates have been clipped */
57 #define VV6410_STATUS1			0x0d
58 
59 /* Setup registers */
60 
61 /* Low-power/sleep modes & video timing */
62 #define VV6410_SETUP0			0x10
63 
64 /* Various parameters */
65 #define VV6410_SETUP1			0x11
66 
67 /* Contains pixel counter reset value used by external sync */
68 #define VV6410_SYNCVALUE		0x12
69 
70 /* Frame grabbing modes (FST, LST and QCK) */
71 #define VV6410_FGMODES			0x14
72 
73 /* FST and QCK mapping modes. */
74 #define VV6410_PINMAPPING		0x15
75 
76 /* Data resolution */
77 #define VV6410_DATAFORMAT		0x16
78 
79 /* Output coding formats */
80 #define VV6410_OPFORMAT			0x17
81 
82 /* Various mode select bits */
83 #define VV6410_MODESELECT		0x18
84 
85 /* Exposure registers */
86 /* Fine exposure. */
87 #define VV6410_FINEH			0x20
88 #define VV6410_FINEL			0x21
89 
90 /* Coarse exposure */
91 #define VV6410_COARSEH			0x22
92 #define VV6410_COARSEL			0x23
93 
94 /* Analog gain setting */
95 #define VV6410_ANALOGGAIN		0x24
96 
97 /* Clock division */
98 #define VV6410_CLKDIV			0x25
99 
100 /* Dark line offset cancellation value */
101 #define VV6410_DARKOFFSETH		0x2c
102 #define VV6410_DARKOFFSETL		0x2d
103 
104 /* Dark line offset cancellation enable */
105 #define VV6410_DARKOFFSETSETUP		0x2e
106 
107 /* Video timing registers */
108 /* Line Length (Pixel Clocks) */
109 #define VV6410_LINELENGTHH		0x52
110 #define VV6410_LINELENGTHL		0x53
111 
112 /* X-co-ordinate of top left corner of region of interest (x-offset) */
113 #define VV6410_XOFFSETH			0x57
114 #define VV6410_XOFFSETL			0x58
115 
116 /* Y-coordinate of top left corner of region of interest (y-offset) */
117 #define VV6410_YOFFSETH			0x59
118 #define VV6410_YOFFSETL			0x5a
119 
120 /* Field length (Lines) */
121 #define VV6410_FIELDLENGTHH		0x61
122 #define VV6410_FIELDLENGTHL		0x62
123 
124 /* System registers */
125 /* Black offset cancellation default value */
126 #define VV6410_BLACKOFFSETH		0x70
127 #define VV6410_BLACKOFFSETL		0x71
128 
129 /* Black offset cancellation setup */
130 #define VV6410_BLACKOFFSETSETUP		0x72
131 
132 /* Analog Control Register 0 */
133 #define VV6410_CR0			0x75
134 
135 /* Analog Control Register 1 */
136 #define VV6410_CR1			0x76
137 
138 /* ADC Setup Register */
139 #define VV6410_AS0			0x77
140 
141 /* Analog Test Register */
142 #define VV6410_AT0			0x78
143 
144 /* Audio Amplifier Setup Register */
145 #define VV6410_AT1			0x79
146 
147 #define VV6410_HFLIP			(1 << 3)
148 #define VV6410_VFLIP			(1 << 4)
149 
150 #define VV6410_LOW_POWER_MODE		(1 << 0)
151 #define VV6410_SOFT_RESET		(1 << 2)
152 #define VV6410_PAL_25_FPS		(0 << 3)
153 
154 #define VV6410_CLK_DIV_2		(1 << 1)
155 
156 #define VV6410_FINE_EXPOSURE		320
157 #define VV6410_COARSE_EXPOSURE		192
158 #define VV6410_DEFAULT_GAIN		5
159 
160 #define VV6410_SUBSAMPLE		0x01
161 #define VV6410_CROP_TO_QVGA		0x02
162 
163 #define VV6410_CIF_LINELENGTH		415
164 
165 static int vv6410_probe(struct sd *sd);
166 static int vv6410_start(struct sd *sd);
167 static int vv6410_init(struct sd *sd);
168 static int vv6410_init_controls(struct sd *sd);
169 static int vv6410_stop(struct sd *sd);
170 static int vv6410_dump(struct sd *sd);
171 
172 /* V4L2 controls supported by the driver */
173 static int vv6410_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
174 static int vv6410_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
175 static int vv6410_set_analog_gain(struct gspca_dev *gspca_dev, __s32 val);
176 static int vv6410_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
177 
178 const struct stv06xx_sensor stv06xx_sensor_vv6410 = {
179 	.name = "ST VV6410",
180 	.i2c_flush = 5,
181 	.i2c_addr = 0x20,
182 	.i2c_len = 1,
183 	/* FIXME (see if we can lower packet_size-s, needs testing, and also
184 	   adjusting framerate when the bandwidth gets lower) */
185 	.min_packet_size = { 1023 },
186 	.max_packet_size = { 1023 },
187 	.init = vv6410_init,
188 	.init_controls = vv6410_init_controls,
189 	.probe = vv6410_probe,
190 	.start = vv6410_start,
191 	.stop = vv6410_stop,
192 	.dump = vv6410_dump,
193 };
194 
195 /* If NULL, only single value to write, stored in len */
196 struct stv_init {
197 	u16 addr;
198 	u8 data;
199 };
200 
201 static const struct stv_init stv_bridge_init[] = {
202 	/* This reg is written twice. Some kind of reset? */
203 	{STV_RESET, 0x80},
204 	{STV_RESET, 0x00},
205 	{STV_SCAN_RATE, 0x00},
206 	{STV_I2C_FLUSH, 0x04},
207 	{STV_REG00, 0x0b},
208 	{STV_REG01, 0xa7},
209 	{STV_REG02, 0xb7},
210 	{STV_REG03, 0x00},
211 	{STV_REG04, 0x00},
212 	{0x1536, 0x02},
213 	{0x1537, 0x00},
214 	{0x1538, 0x60},
215 	{0x1539, 0x01},
216 	{0x153a, 0x20},
217 	{0x153b, 0x01},
218 };
219 
220 static const u8 vv6410_sensor_init[][2] = {
221 	/* Setup registers */
222 	{VV6410_SETUP0,	VV6410_SOFT_RESET},
223 	{VV6410_SETUP0,	VV6410_LOW_POWER_MODE},
224 	/* Use shuffled read-out mode */
225 	{VV6410_SETUP1,	BIT(6)},
226 	/* All modes to 1, FST, Fast QCK, Free running QCK, Free running LST, FST will qualify visible pixels */
227 	{VV6410_FGMODES, BIT(6) | BIT(4) | BIT(2) | BIT(0)},
228 	{VV6410_PINMAPPING, 0x00},
229 	/* Pre-clock generator divide off */
230 	{VV6410_DATAFORMAT, BIT(7) | BIT(0)},
231 
232 	{VV6410_CLKDIV,	VV6410_CLK_DIV_2},
233 
234 	/* System registers */
235 	/* Enable voltage doubler */
236 	{VV6410_AS0, BIT(6) | BIT(4) | BIT(3) | BIT(2) | BIT(1)},
237 	{VV6410_AT0, 0x00},
238 	/* Power up audio, differential */
239 	{VV6410_AT1, BIT(4) | BIT(0)},
240 };
241 
242 #endif
243