aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/video/gspca/stv06xx/stv06xx_hdcs.h
blob: 412f06cf3d5c4ef5506b97ba43227769d3dc67ee (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
/*
 * Copyright (c) 2001 Jean-Fredric Clere, Nikolas Zimmermann, Georg Acher
 *		      Mark Cave-Ayland, Carlo E Prelz, Dick Streefland
 * Copyright (c) 2002, 2003 Tuukka Toivonen
 * Copyright (c) 2008 Erik Andrén
 * Copyright (c) 2008 Chia-I Wu
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * P/N 861037:      Sensor HDCS1000        ASIC STV0600
 * P/N 861050-0010: Sensor HDCS1000        ASIC STV0600
 * P/N 861050-0020: Sensor Photobit PB100  ASIC STV0600-1 - QuickCam Express
 * P/N 861055:      Sensor ST VV6410       ASIC STV0610   - LEGO cam
 * P/N 861075-0040: Sensor HDCS1000        ASIC
 * P/N 961179-0700: Sensor ST VV6410       ASIC STV0602   - Dexxa WebCam USB
 * P/N 861040-0000: Sensor ST VV6410       ASIC STV0610   - QuickCam Web
 */

#ifndef STV06XX_HDCS_H_
#define STV06XX_HDCS_H_

#include "stv06xx_sensor.h"

#define HDCS_REG_CONFIG(sd)	(IS_1020(sd) ? HDCS20_CONFIG : HDCS00_CONFIG)
#define HDCS_REG_CONTROL(sd)	(IS_1020(sd) ? HDCS20_CONTROL : HDCS00_CONTROL)

#define HDCS_1X00_DEF_WIDTH	360
#define HDCS_1X00_DEF_HEIGHT 	296

#define HDCS_1020_DEF_WIDTH	352
#define HDCS_1020_DEF_HEIGHT	292

#define HDCS_1020_BOTTOM_Y_SKIP	4

#define HDCS_CLK_FREQ_MHZ	25

#define HDCS_ADC_START_SIG_DUR	3

/* LSB bit of I2C or register address signifies write (0) or read (1) */
/* I2C Registers common for both HDCS-1000/1100 and HDCS-1020 */
/* Identifications Register */
#define HDCS_IDENT		(0x00 << 1)
/* Status Register */
#define HDCS_STATUS		(0x01 << 1)
/* Interrupt Mask Register */
#define HDCS_IMASK		(0x02 << 1)
/* Pad Control Register */
#define HDCS_PCTRL		(0x03 << 1)
/* Pad Drive Control Register */
#define HDCS_PDRV		(0x04 << 1)
/* Interface Control Register */
#define HDCS_ICTRL		(0x05 << 1)
/* Interface Timing Register */
#define HDCS_ITMG		(0x06 << 1)
/* Baud Fraction Register */
#define HDCS_BFRAC		(0x07 << 1)
/* Baud Rate Register */
#define HDCS_BRATE		(0x08 << 1)
/* ADC Control Register */
#define HDCS_ADCCTRL		(0x09 << 1)
/* First Window Row Register */
#define HDCS_FWROW		(0x0a << 1)
/* First Window Column Register */
#define HDCS_FWCOL		(0x0b << 1)
/* Last Window Row Register */
#define HDCS_LWROW		(0x0c << 1)
/* Last Window Column Register */
#define HDCS_LWCOL		(0x0d << 1)
/* Timing Control Register */
#define HDCS_TCTRL		(0x0e << 1)
/* PGA Gain Register: Even Row, Even Column */
#define HDCS_ERECPGA		(0x0f << 1)
/* PGA Gain Register: Even Row, Odd Column */
#define HDCS_EROCPGA		(0x10 << 1)
/* PGA Gain Register: Odd Row, Even Column */
#define HDCS_ORECPGA		(0x11 << 1)
/* PGA Gain Register: Odd Row, Odd Column */
#define HDCS_OROCPGA		(0x12 << 1)
/* Row Exposure Low Register */
#define HDCS_ROWEXPL		(0x13 << 1)
/* Row Exposure High Register */
#define HDCS_ROWEXPH		(0x14 << 1)

/* I2C Registers only for HDCS-1000/1100 */
/* Sub-Row Exposure Low Register */
#define HDCS00_SROWEXPL		(0x15 << 1)
/* Sub-Row Exposure High Register */
#define HDCS00_SROWEXPH		(0x16 << 1)
/* Configuration Register */
#define HDCS00_CONFIG		(0x17 << 1)
/* Control Register */
#define HDCS00_CONTROL		(0x18 << 1)

/* I2C Registers only for HDCS-1020 */
/* Sub-Row Exposure Register */
#define HDCS20_SROWEXP		(0x15 << 1)
/* Error Control Register */
#define HDCS20_ERROR		(0x16 << 1)
/* Interface Timing 2 Register */
#define HDCS20_ITMG2		(0x17 << 1)
/* Interface Control 2 Register	*/
#define HDCS20_ICTRL2		(0x18 << 1)
/* Horizontal Blank Register */
#define HDCS20_HBLANK		(0x19 << 1)
/* Vertical Blank Register */
#define HDCS20_VBLANK		(0x1a << 1)
/* Configuration Register */
#define HDCS20_CONFIG		(0x1b << 1)
/* Control Register */
#define HDCS20_CONTROL		(0x1c << 1)

#define HDCS_RUN_ENABLE		(1 << 2)
#define HDCS_SLEEP_MODE		(1 << 1)

#define HDCS_DEFAULT_EXPOSURE	5000
#define HDCS_DEFAULT_GAIN	128

static int hdcs_probe_1x00(struct sd *sd);
static int hdcs_probe_1020(struct sd *sd);
static int hdcs_start(struct sd *sd);
static int hdcs_init(struct sd *sd);
static int hdcs_stop(struct sd *sd);
static int hdcs_dump(struct sd *sd);
static void hdcs_disconnect(struct sd *sd);

static int hdcs_get_exposure(struct gspca_dev *gspca_dev, __s32 *val);
static int hdcs_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
static int hdcs_set_gain(struct gspca_dev *gspca_dev, __s32 val);
static int hdcs_get_gain(struct gspca_dev *gspca_dev, __s32 *val);

const struct stv06xx_sensor stv06xx_sensor_hdcs1x00 = {
	.name = "HP HDCS-1000/1100",
	.i2c_flush = 0,
	.i2c_addr = (0x55 << 1),
	.i2c_len = 1,

	.init = hdcs_init,
	.probe = hdcs_probe_1x00,
	.start = hdcs_start,
	.stop = hdcs_stop,
	.disconnect = hdcs_disconnect,
	.dump = hdcs_dump,
};

const struct stv06xx_sensor stv06xx_sensor_hdcs1020 = {
	.name = "HDCS-1020",
	.i2c_flush = 0,
	.i2c_addr = (0x55 << 1),
	.i2c_len = 1,

	.init = hdcs_init,
	.probe = hdcs_probe_1020,
	.start = hdcs_start,
	.stop = hdcs_stop,
	.dump = hdcs_dump,
};

static const u16 stv_bridge_init[][2] = {
	{STV_ISO_ENABLE, 0},
	{STV_REG23, 0},
	{STV_REG00, 0x1d},
	{STV_REG01, 0xb5},
	{STV_REG02, 0xa8},
	{STV_REG03, 0x95},
	{STV_REG04, 0x07},

	{STV_SCAN_RATE, 0x20},
	{STV_ISO_SIZE_L, 847},
	{STV_Y_CTRL, 0x01},
	{STV_X_CTRL, 0x0a}
};

static const u8 stv_sensor_init[][2] = {
	/* Clear status (writing 1 will clear the corresponding status bit) */
	{HDCS_STATUS, BIT(6) | BIT(5) | BIT(4) | BIT(3) | BIT(2) | BIT(1)},
	/* Disable all interrupts */
	{HDCS_IMASK, 0x00},
	{HDCS_PCTRL, BIT(6) | BIT(5) | BIT(1) | BIT(0)},
	{HDCS_PDRV,  0x00},
	{HDCS_ICTRL, BIT(5)},
	{HDCS_ITMG,  BIT(4) | BIT(1)},
	/* ADC output resolution to 10 bits */
	{HDCS_ADCCTRL, 10}
};

#endif