040000ae7d
This change fixes the Debian Bug #579332 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=579332 Signed-off-by: Jean-François Moine <moinejf@free.fr> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
1503 lines
44 KiB
C
1503 lines
44 KiB
C
/*
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* sonix sn9c102 (bayer) library
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* Copyright (C) 2003 2004 Michel Xhaard mxhaard@magic.fr
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* Add Pas106 Stefano Mozzi (C) 2004
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*
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* V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Some documentation on known sonixb registers:
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Reg Use
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0x10 high nibble red gain low nibble blue gain
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0x11 low nibble green gain
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0x12 hstart
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0x13 vstart
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0x15 hsize (hsize = register-value * 16)
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0x16 vsize (vsize = register-value * 16)
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0x17 bit 0 toggle compression quality (according to sn9c102 driver)
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0x18 bit 7 enables compression, bit 4-5 set image down scaling:
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00 scale 1, 01 scale 1/2, 10, scale 1/4
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0x19 high-nibble is sensor clock divider, changes exposure on sensors which
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use a clock generated by the bridge. Some sensors have their own clock.
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0x1c auto_exposure area (for avg_lum) startx (startx = register-value * 32)
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0x1d auto_exposure area (for avg_lum) starty (starty = register-value * 32)
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0x1e auto_exposure area (for avg_lum) stopx (hsize = (0x1e - 0x1c) * 32)
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0x1f auto_exposure area (for avg_lum) stopy (vsize = (0x1f - 0x1d) * 32)
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*/
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#define MODULE_NAME "sonixb"
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#include <linux/input.h>
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#include "gspca.h"
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MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
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MODULE_DESCRIPTION("GSPCA/SN9C102 USB Camera Driver");
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MODULE_LICENSE("GPL");
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/* specific webcam descriptor */
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struct sd {
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struct gspca_dev gspca_dev; /* !! must be the first item */
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atomic_t avg_lum;
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int prev_avg_lum;
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int exp_too_low_cnt;
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int exp_too_high_cnt;
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unsigned short exposure;
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unsigned char gain;
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unsigned char brightness;
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unsigned char autogain;
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unsigned char autogain_ignore_frames;
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unsigned char frames_to_drop;
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unsigned char freq; /* light freq filter setting */
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__u8 bridge; /* Type of bridge */
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#define BRIDGE_101 0
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#define BRIDGE_102 0 /* We make no difference between 101 and 102 */
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#define BRIDGE_103 1
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__u8 sensor; /* Type of image sensor chip */
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#define SENSOR_HV7131R 0
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#define SENSOR_OV6650 1
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#define SENSOR_OV7630 2
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#define SENSOR_PAS106 3
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#define SENSOR_PAS202 4
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#define SENSOR_TAS5110C 5
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#define SENSOR_TAS5110D 6
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#define SENSOR_TAS5130CXX 7
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__u8 reg11;
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};
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typedef const __u8 sensor_init_t[8];
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struct sensor_data {
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const __u8 *bridge_init[2];
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int bridge_init_size[2];
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sensor_init_t *sensor_init;
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int sensor_init_size;
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sensor_init_t *sensor_bridge_init[2];
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int sensor_bridge_init_size[2];
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int flags;
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unsigned ctrl_dis;
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__u8 sensor_addr;
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};
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/* sensor_data flags */
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#define F_GAIN 0x01 /* has gain */
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#define F_SIF 0x02 /* sif or vga */
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#define F_COARSE_EXPO 0x04 /* exposure control is coarse */
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/* priv field of struct v4l2_pix_format flags (do not use low nibble!) */
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#define MODE_RAW 0x10 /* raw bayer mode */
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#define MODE_REDUCED_SIF 0x20 /* vga mode (320x240 / 160x120) on sif cam */
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/* ctrl_dis helper macros */
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#define NO_EXPO ((1 << EXPOSURE_IDX) | (1 << COARSE_EXPOSURE_IDX) | \
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(1 << AUTOGAIN_IDX))
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#define NO_FREQ (1 << FREQ_IDX)
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#define NO_BRIGHTNESS (1 << BRIGHTNESS_IDX)
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#define COMP2 0x8f
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#define COMP 0xc7 /* 0x87 //0x07 */
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#define COMP1 0xc9 /* 0x89 //0x09 */
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#define MCK_INIT 0x63
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#define MCK_INIT1 0x20 /*fixme: Bayer - 0x50 for JPEG ??*/
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#define SYS_CLK 0x04
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#define SENS(bridge_1, bridge_3, sensor, sensor_1, \
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sensor_3, _flags, _ctrl_dis, _sensor_addr) \
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{ \
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.bridge_init = { bridge_1, bridge_3 }, \
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.bridge_init_size = { sizeof(bridge_1), sizeof(bridge_3) }, \
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.sensor_init = sensor, \
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.sensor_init_size = sizeof(sensor), \
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.sensor_bridge_init = { sensor_1, sensor_3,}, \
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.sensor_bridge_init_size = { sizeof(sensor_1), sizeof(sensor_3)}, \
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.flags = _flags, .ctrl_dis = _ctrl_dis, .sensor_addr = _sensor_addr \
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}
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/* We calculate the autogain at the end of the transfer of a frame, at this
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moment a frame with the old settings is being captured and transmitted. So
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if we adjust the gain or exposure we must ignore atleast the next frame for
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the new settings to come into effect before doing any other adjustments. */
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#define AUTOGAIN_IGNORE_FRAMES 1
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/* V4L2 controls supported by the driver */
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static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
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static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
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static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
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static const struct ctrl sd_ctrls[] = {
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#define BRIGHTNESS_IDX 0
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{
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{
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.id = V4L2_CID_BRIGHTNESS,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Brightness",
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.minimum = 0,
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.maximum = 255,
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.step = 1,
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#define BRIGHTNESS_DEF 127
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.default_value = BRIGHTNESS_DEF,
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},
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.set = sd_setbrightness,
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.get = sd_getbrightness,
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},
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#define GAIN_IDX 1
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{
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{
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.id = V4L2_CID_GAIN,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Gain",
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.minimum = 0,
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.maximum = 255,
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.step = 1,
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#define GAIN_DEF 127
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#define GAIN_KNEE 230
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.default_value = GAIN_DEF,
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},
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.set = sd_setgain,
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.get = sd_getgain,
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},
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#define EXPOSURE_IDX 2
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{
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{
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.id = V4L2_CID_EXPOSURE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Exposure",
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#define EXPOSURE_DEF 66 /* 33 ms / 30 fps (except on PASXXX) */
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#define EXPOSURE_KNEE 200 /* 100 ms / 10 fps (except on PASXXX) */
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.minimum = 0,
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.maximum = 1023,
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.step = 1,
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.default_value = EXPOSURE_DEF,
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.flags = 0,
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},
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.set = sd_setexposure,
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.get = sd_getexposure,
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},
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#define COARSE_EXPOSURE_IDX 3
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{
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{
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.id = V4L2_CID_EXPOSURE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "Exposure",
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#define COARSE_EXPOSURE_DEF 2 /* 30 fps */
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.minimum = 2,
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.maximum = 15,
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.step = 1,
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.default_value = COARSE_EXPOSURE_DEF,
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.flags = 0,
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},
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.set = sd_setexposure,
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.get = sd_getexposure,
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},
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#define AUTOGAIN_IDX 4
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{
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{
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.id = V4L2_CID_AUTOGAIN,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "Automatic Gain (and Exposure)",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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#define AUTOGAIN_DEF 1
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.default_value = AUTOGAIN_DEF,
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.flags = 0,
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},
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.set = sd_setautogain,
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.get = sd_getautogain,
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},
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#define FREQ_IDX 5
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{
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{
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.id = V4L2_CID_POWER_LINE_FREQUENCY,
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.type = V4L2_CTRL_TYPE_MENU,
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.name = "Light frequency filter",
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.minimum = 0,
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.maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */
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.step = 1,
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#define FREQ_DEF 0
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.default_value = FREQ_DEF,
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},
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.set = sd_setfreq,
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.get = sd_getfreq,
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},
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};
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static const struct v4l2_pix_format vga_mode[] = {
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{160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 160,
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.sizeimage = 160 * 120,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 2 | MODE_RAW},
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{160, 120, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
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.bytesperline = 160,
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.sizeimage = 160 * 120 * 5 / 4,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 2},
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{320, 240, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
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.bytesperline = 320,
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.sizeimage = 320 * 240 * 5 / 4,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1},
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{640, 480, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
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.bytesperline = 640,
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.sizeimage = 640 * 480 * 5 / 4,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 0},
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};
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static const struct v4l2_pix_format sif_mode[] = {
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{160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 160,
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.sizeimage = 160 * 120,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1 | MODE_RAW | MODE_REDUCED_SIF},
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{160, 120, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
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.bytesperline = 160,
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.sizeimage = 160 * 120 * 5 / 4,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1 | MODE_REDUCED_SIF},
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{176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
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.bytesperline = 176,
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.sizeimage = 176 * 144,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1 | MODE_RAW},
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{176, 144, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
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.bytesperline = 176,
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.sizeimage = 176 * 144 * 5 / 4,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 1},
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{320, 240, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
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.bytesperline = 320,
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.sizeimage = 320 * 240 * 5 / 4,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 0 | MODE_REDUCED_SIF},
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{352, 288, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
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.bytesperline = 352,
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.sizeimage = 352 * 288 * 5 / 4,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 0},
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};
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static const __u8 initHv7131[] = {
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0x46, 0x77, 0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x11, 0x00, 0x00, 0x00,
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0x00, 0x00,
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0x00, 0x00, 0x00, 0x02, 0x01, 0x00,
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0x28, 0x1e, 0x60, 0x8a, 0x20,
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0x1d, 0x10, 0x02, 0x03, 0x0f, 0x0c
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};
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static const __u8 hv7131_sensor_init[][8] = {
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{0xc0, 0x11, 0x31, 0x38, 0x2a, 0x2e, 0x00, 0x10},
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{0xa0, 0x11, 0x01, 0x08, 0x2a, 0x2e, 0x00, 0x10},
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{0xb0, 0x11, 0x20, 0x00, 0xd0, 0x2e, 0x00, 0x10},
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{0xc0, 0x11, 0x25, 0x03, 0x0e, 0x28, 0x00, 0x16},
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{0xa0, 0x11, 0x30, 0x10, 0x0e, 0x28, 0x00, 0x15},
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};
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static const __u8 initOv6650[] = {
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0x44, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
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0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x01, 0x01, 0x0a, 0x16, 0x12, 0x68, 0x8b,
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0x10, 0x1d, 0x10, 0x02, 0x02, 0x09, 0x07
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};
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static const __u8 ov6650_sensor_init[][8] =
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{
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/* Bright, contrast, etc are set through SCBB interface.
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* AVCAP on win2 do not send any data on this controls. */
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/* Anyway, some registers appears to alter bright and constrat */
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/* Reset sensor */
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{0xa0, 0x60, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10},
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/* Set clock register 0x11 low nibble is clock divider */
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{0xd0, 0x60, 0x11, 0xc0, 0x1b, 0x18, 0xc1, 0x10},
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/* Next some unknown stuff */
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{0xb0, 0x60, 0x15, 0x00, 0x02, 0x18, 0xc1, 0x10},
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/* {0xa0, 0x60, 0x1b, 0x01, 0x02, 0x18, 0xc1, 0x10},
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* THIS SET GREEN SCREEN
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* (pixels could be innverted in decode kind of "brg",
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* but blue wont be there. Avoid this data ... */
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{0xd0, 0x60, 0x26, 0x01, 0x14, 0xd8, 0xa4, 0x10}, /* format out? */
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{0xd0, 0x60, 0x26, 0x01, 0x14, 0xd8, 0xa4, 0x10},
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{0xa0, 0x60, 0x30, 0x3d, 0x0A, 0xd8, 0xa4, 0x10},
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/* Enable rgb brightness control */
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{0xa0, 0x60, 0x61, 0x08, 0x00, 0x00, 0x00, 0x10},
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/* HDG: Note windows uses the line below, which sets both register 0x60
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and 0x61 I believe these registers of the ov6650 are identical as
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those of the ov7630, because if this is true the windows settings
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add a bit additional red gain and a lot additional blue gain, which
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matches my findings that the windows settings make blue much too
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blue and red a little too red.
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{0xb0, 0x60, 0x60, 0x66, 0x68, 0xd8, 0xa4, 0x10}, */
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/* Some more unknown stuff */
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{0xa0, 0x60, 0x68, 0x04, 0x68, 0xd8, 0xa4, 0x10},
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{0xd0, 0x60, 0x17, 0x24, 0xd6, 0x04, 0x94, 0x10}, /* Clipreg */
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};
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static const __u8 initOv7630[] = {
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0x04, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, /* r01 .. r08 */
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0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* r09 .. r10 */
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0x00, 0x01, 0x01, 0x0a, /* r11 .. r14 */
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0x28, 0x1e, /* H & V sizes r15 .. r16 */
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0x68, COMP2, MCK_INIT1, /* r17 .. r19 */
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0x1d, 0x10, 0x02, 0x03, 0x0f, 0x0c /* r1a .. r1f */
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};
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static const __u8 initOv7630_3[] = {
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0x44, 0x44, 0x00, 0x1a, 0x20, 0x20, 0x20, 0x80, /* r01 .. r08 */
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0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* r09 .. r10 */
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0x00, 0x02, 0x01, 0x0a, /* r11 .. r14 */
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0x28, 0x1e, /* H & V sizes r15 .. r16 */
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0x68, 0x8f, MCK_INIT1, /* r17 .. r19 */
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0x1d, 0x10, 0x02, 0x03, 0x0f, 0x0c, 0x00, /* r1a .. r20 */
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0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80, /* r21 .. r28 */
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0x90, 0xa0, 0xb0, 0xc0, 0xd0, 0xe0, 0xf0, 0xff /* r29 .. r30 */
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};
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static const __u8 ov7630_sensor_init[][8] = {
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{0xa0, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10},
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{0xb0, 0x21, 0x01, 0x77, 0x3a, 0x00, 0x00, 0x10},
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/* {0xd0, 0x21, 0x12, 0x7c, 0x01, 0x80, 0x34, 0x10}, jfm */
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{0xd0, 0x21, 0x12, 0x1c, 0x00, 0x80, 0x34, 0x10}, /* jfm */
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{0xa0, 0x21, 0x1b, 0x04, 0x00, 0x80, 0x34, 0x10},
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{0xa0, 0x21, 0x20, 0x44, 0x00, 0x80, 0x34, 0x10},
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{0xa0, 0x21, 0x23, 0xee, 0x00, 0x80, 0x34, 0x10},
|
|
{0xd0, 0x21, 0x26, 0xa0, 0x9a, 0xa0, 0x30, 0x10},
|
|
{0xb0, 0x21, 0x2a, 0x80, 0x00, 0xa0, 0x30, 0x10},
|
|
{0xb0, 0x21, 0x2f, 0x3d, 0x24, 0xa0, 0x30, 0x10},
|
|
{0xa0, 0x21, 0x32, 0x86, 0x24, 0xa0, 0x30, 0x10},
|
|
{0xb0, 0x21, 0x60, 0xa9, 0x4a, 0xa0, 0x30, 0x10},
|
|
/* {0xb0, 0x21, 0x60, 0xa9, 0x42, 0xa0, 0x30, 0x10}, * jfm */
|
|
{0xa0, 0x21, 0x65, 0x00, 0x42, 0xa0, 0x30, 0x10},
|
|
{0xa0, 0x21, 0x69, 0x38, 0x42, 0xa0, 0x30, 0x10},
|
|
{0xc0, 0x21, 0x6f, 0x88, 0x0b, 0x00, 0x30, 0x10},
|
|
{0xc0, 0x21, 0x74, 0x21, 0x8e, 0x00, 0x30, 0x10},
|
|
{0xa0, 0x21, 0x7d, 0xf7, 0x8e, 0x00, 0x30, 0x10},
|
|
{0xd0, 0x21, 0x17, 0x1c, 0xbd, 0x06, 0xf6, 0x10},
|
|
};
|
|
|
|
static const __u8 ov7630_sensor_init_3[][8] = {
|
|
{0xa0, 0x21, 0x13, 0x80, 0x00, 0x00, 0x00, 0x10},
|
|
};
|
|
|
|
static const __u8 initPas106[] = {
|
|
0x04, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x40, 0x00, 0x00, 0x00,
|
|
0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x04, 0x01, 0x00,
|
|
0x16, 0x12, 0x24, COMP1, MCK_INIT1,
|
|
0x18, 0x10, 0x02, 0x02, 0x09, 0x07
|
|
};
|
|
/* compression 0x86 mckinit1 0x2b */
|
|
|
|
/* "Known" PAS106B registers:
|
|
0x02 clock divider
|
|
0x03 Variable framerate bits 4-11
|
|
0x04 Var framerate bits 0-3, one must leave the 4 msb's at 0 !!
|
|
The variable framerate control must never be set lower then 300,
|
|
which sets the framerate at 90 / reg02, otherwise vsync is lost.
|
|
0x05 Shutter Time Line Offset, this can be used as an exposure control:
|
|
0 = use full frame time, 255 = no exposure at all
|
|
Note this may never be larger then "var-framerate control" / 2 - 2.
|
|
When var-framerate control is < 514, no exposure is reached at the max
|
|
allowed value for the framerate control value, rather then at 255.
|
|
0x06 Shutter Time Pixel Offset, like reg05 this influences exposure, but
|
|
only a very little bit, leave at 0xcd
|
|
0x07 offset sign bit (bit0 1 > negative offset)
|
|
0x08 offset
|
|
0x09 Blue Gain
|
|
0x0a Green1 Gain
|
|
0x0b Green2 Gain
|
|
0x0c Red Gain
|
|
0x0e Global gain
|
|
0x13 Write 1 to commit settings to sensor
|
|
*/
|
|
|
|
static const __u8 pas106_sensor_init[][8] = {
|
|
/* Pixel Clock Divider 6 */
|
|
{ 0xa1, 0x40, 0x02, 0x04, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Frame Time MSB (also seen as 0x12) */
|
|
{ 0xa1, 0x40, 0x03, 0x13, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Frame Time LSB (also seen as 0x05) */
|
|
{ 0xa1, 0x40, 0x04, 0x06, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Shutter Time Line Offset (also seen as 0x6d) */
|
|
{ 0xa1, 0x40, 0x05, 0x65, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Shutter Time Pixel Offset (also seen as 0xb1) */
|
|
{ 0xa1, 0x40, 0x06, 0xcd, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Black Level Subtract Sign (also seen 0x00) */
|
|
{ 0xa1, 0x40, 0x07, 0xc1, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Black Level Subtract Level (also seen 0x01) */
|
|
{ 0xa1, 0x40, 0x08, 0x06, 0x00, 0x00, 0x00, 0x14 },
|
|
{ 0xa1, 0x40, 0x08, 0x06, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Color Gain B Pixel 5 a */
|
|
{ 0xa1, 0x40, 0x09, 0x05, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Color Gain G1 Pixel 1 5 */
|
|
{ 0xa1, 0x40, 0x0a, 0x04, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Color Gain G2 Pixel 1 0 5 */
|
|
{ 0xa1, 0x40, 0x0b, 0x04, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Color Gain R Pixel 3 1 */
|
|
{ 0xa1, 0x40, 0x0c, 0x05, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Color GainH Pixel */
|
|
{ 0xa1, 0x40, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Global Gain */
|
|
{ 0xa1, 0x40, 0x0e, 0x0e, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Contrast */
|
|
{ 0xa1, 0x40, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x14 },
|
|
/* H&V synchro polarity */
|
|
{ 0xa1, 0x40, 0x10, 0x06, 0x00, 0x00, 0x00, 0x14 },
|
|
/* ?default */
|
|
{ 0xa1, 0x40, 0x11, 0x06, 0x00, 0x00, 0x00, 0x14 },
|
|
/* DAC scale */
|
|
{ 0xa1, 0x40, 0x12, 0x06, 0x00, 0x00, 0x00, 0x14 },
|
|
/* ?default */
|
|
{ 0xa1, 0x40, 0x14, 0x02, 0x00, 0x00, 0x00, 0x14 },
|
|
/* Validate Settings */
|
|
{ 0xa1, 0x40, 0x13, 0x01, 0x00, 0x00, 0x00, 0x14 },
|
|
};
|
|
|
|
static const __u8 initPas202[] = {
|
|
0x44, 0x44, 0x21, 0x30, 0x00, 0x00, 0x00, 0x80, 0x40, 0x00, 0x00, 0x00,
|
|
0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x06, 0x03, 0x0a,
|
|
0x28, 0x1e, 0x20, 0x89, 0x20,
|
|
0x00, 0x00, 0x02, 0x03, 0x0f, 0x0c
|
|
};
|
|
|
|
/* "Known" PAS202BCB registers:
|
|
0x02 clock divider
|
|
0x04 Variable framerate bits 6-11 (*)
|
|
0x05 Var framerate bits 0-5, one must leave the 2 msb's at 0 !!
|
|
0x07 Blue Gain
|
|
0x08 Green Gain
|
|
0x09 Red Gain
|
|
0x0b offset sign bit (bit0 1 > negative offset)
|
|
0x0c offset
|
|
0x0e Unknown image is slightly brighter when bit 0 is 0, if reg0f is 0 too,
|
|
leave at 1 otherwise we get a jump in our exposure control
|
|
0x0f Exposure 0-255, 0 = use full frame time, 255 = no exposure at all
|
|
0x10 Master gain 0 - 31
|
|
0x11 write 1 to apply changes
|
|
(*) The variable framerate control must never be set lower then 500
|
|
which sets the framerate at 30 / reg02, otherwise vsync is lost.
|
|
*/
|
|
static const __u8 pas202_sensor_init[][8] = {
|
|
/* Set the clock divider to 4 -> 30 / 4 = 7.5 fps, we would like
|
|
to set it lower, but for some reason the bridge starts missing
|
|
vsync's then */
|
|
{0xa0, 0x40, 0x02, 0x04, 0x00, 0x00, 0x00, 0x10},
|
|
{0xd0, 0x40, 0x04, 0x07, 0x34, 0x00, 0x09, 0x10},
|
|
{0xd0, 0x40, 0x08, 0x01, 0x00, 0x00, 0x01, 0x10},
|
|
{0xd0, 0x40, 0x0C, 0x00, 0x0C, 0x01, 0x32, 0x10},
|
|
{0xd0, 0x40, 0x10, 0x00, 0x01, 0x00, 0x63, 0x10},
|
|
{0xa0, 0x40, 0x15, 0x70, 0x01, 0x00, 0x63, 0x10},
|
|
{0xa0, 0x40, 0x18, 0x00, 0x01, 0x00, 0x63, 0x10},
|
|
{0xa0, 0x40, 0x11, 0x01, 0x01, 0x00, 0x63, 0x10},
|
|
{0xa0, 0x40, 0x03, 0x56, 0x01, 0x00, 0x63, 0x10},
|
|
{0xa0, 0x40, 0x11, 0x01, 0x01, 0x00, 0x63, 0x10},
|
|
};
|
|
|
|
static const __u8 initTas5110c[] = {
|
|
0x44, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x11, 0x00, 0x00, 0x00,
|
|
0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x45, 0x09, 0x0a,
|
|
0x16, 0x12, 0x60, 0x86, 0x2b,
|
|
0x14, 0x0a, 0x02, 0x02, 0x09, 0x07
|
|
};
|
|
/* Same as above, except a different hstart */
|
|
static const __u8 initTas5110d[] = {
|
|
0x44, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x11, 0x00, 0x00, 0x00,
|
|
0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x41, 0x09, 0x0a,
|
|
0x16, 0x12, 0x60, 0x86, 0x2b,
|
|
0x14, 0x0a, 0x02, 0x02, 0x09, 0x07
|
|
};
|
|
static const __u8 tas5110_sensor_init[][8] = {
|
|
{0x30, 0x11, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x10},
|
|
{0x30, 0x11, 0x02, 0x20, 0xa9, 0x00, 0x00, 0x10},
|
|
{0xa0, 0x61, 0x9a, 0xca, 0x00, 0x00, 0x00, 0x17},
|
|
};
|
|
|
|
static const __u8 initTas5130[] = {
|
|
0x04, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x11, 0x00, 0x00, 0x00,
|
|
0x00, 0x00,
|
|
0x00, 0x00, 0x00, 0x68, 0x0c, 0x0a,
|
|
0x28, 0x1e, 0x60, COMP, MCK_INIT,
|
|
0x18, 0x10, 0x04, 0x03, 0x11, 0x0c
|
|
};
|
|
static const __u8 tas5130_sensor_init[][8] = {
|
|
/* {0x30, 0x11, 0x00, 0x40, 0x47, 0x00, 0x00, 0x10},
|
|
* shutter 0x47 short exposure? */
|
|
{0x30, 0x11, 0x00, 0x40, 0x01, 0x00, 0x00, 0x10},
|
|
/* shutter 0x01 long exposure */
|
|
{0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10},
|
|
};
|
|
|
|
static struct sensor_data sensor_data[] = {
|
|
SENS(initHv7131, NULL, hv7131_sensor_init, NULL, NULL, 0, NO_EXPO|NO_FREQ, 0),
|
|
SENS(initOv6650, NULL, ov6650_sensor_init, NULL, NULL, F_GAIN|F_SIF, 0, 0x60),
|
|
SENS(initOv7630, initOv7630_3, ov7630_sensor_init, NULL, ov7630_sensor_init_3,
|
|
F_GAIN, 0, 0x21),
|
|
SENS(initPas106, NULL, pas106_sensor_init, NULL, NULL, F_GAIN|F_SIF, NO_FREQ,
|
|
0),
|
|
SENS(initPas202, initPas202, pas202_sensor_init, NULL, NULL, F_GAIN,
|
|
NO_FREQ, 0),
|
|
SENS(initTas5110c, NULL, tas5110_sensor_init, NULL, NULL,
|
|
F_GAIN|F_SIF|F_COARSE_EXPO, NO_BRIGHTNESS|NO_FREQ, 0),
|
|
SENS(initTas5110d, NULL, tas5110_sensor_init, NULL, NULL,
|
|
F_GAIN|F_SIF|F_COARSE_EXPO, NO_BRIGHTNESS|NO_FREQ, 0),
|
|
SENS(initTas5130, NULL, tas5130_sensor_init, NULL, NULL, 0, NO_EXPO|NO_FREQ,
|
|
0),
|
|
};
|
|
|
|
/* get one byte in gspca_dev->usb_buf */
|
|
static void reg_r(struct gspca_dev *gspca_dev,
|
|
__u16 value)
|
|
{
|
|
usb_control_msg(gspca_dev->dev,
|
|
usb_rcvctrlpipe(gspca_dev->dev, 0),
|
|
0, /* request */
|
|
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
|
|
value,
|
|
0, /* index */
|
|
gspca_dev->usb_buf, 1,
|
|
500);
|
|
}
|
|
|
|
static void reg_w(struct gspca_dev *gspca_dev,
|
|
__u16 value,
|
|
const __u8 *buffer,
|
|
int len)
|
|
{
|
|
#ifdef GSPCA_DEBUG
|
|
if (len > USB_BUF_SZ) {
|
|
PDEBUG(D_ERR|D_PACK, "reg_w: buffer overflow");
|
|
return;
|
|
}
|
|
#endif
|
|
memcpy(gspca_dev->usb_buf, buffer, len);
|
|
usb_control_msg(gspca_dev->dev,
|
|
usb_sndctrlpipe(gspca_dev->dev, 0),
|
|
0x08, /* request */
|
|
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
|
|
value,
|
|
0, /* index */
|
|
gspca_dev->usb_buf, len,
|
|
500);
|
|
}
|
|
|
|
static int i2c_w(struct gspca_dev *gspca_dev, const __u8 *buffer)
|
|
{
|
|
int retry = 60;
|
|
|
|
/* is i2c ready */
|
|
reg_w(gspca_dev, 0x08, buffer, 8);
|
|
while (retry--) {
|
|
msleep(10);
|
|
reg_r(gspca_dev, 0x08);
|
|
if (gspca_dev->usb_buf[0] & 0x04) {
|
|
if (gspca_dev->usb_buf[0] & 0x08)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static void i2c_w_vector(struct gspca_dev *gspca_dev,
|
|
const __u8 buffer[][8], int len)
|
|
{
|
|
for (;;) {
|
|
reg_w(gspca_dev, 0x08, *buffer, 8);
|
|
len -= 8;
|
|
if (len <= 0)
|
|
break;
|
|
buffer++;
|
|
}
|
|
}
|
|
|
|
static void setbrightness(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
__u8 value;
|
|
|
|
switch (sd->sensor) {
|
|
case SENSOR_OV6650:
|
|
case SENSOR_OV7630: {
|
|
__u8 i2cOV[] =
|
|
{0xa0, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x10};
|
|
|
|
/* change reg 0x06 */
|
|
i2cOV[1] = sensor_data[sd->sensor].sensor_addr;
|
|
i2cOV[3] = sd->brightness;
|
|
if (i2c_w(gspca_dev, i2cOV) < 0)
|
|
goto err;
|
|
break;
|
|
}
|
|
case SENSOR_PAS106:
|
|
case SENSOR_PAS202: {
|
|
__u8 i2cpbright[] =
|
|
{0xb0, 0x40, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x16};
|
|
__u8 i2cpdoit[] =
|
|
{0xa0, 0x40, 0x11, 0x01, 0x00, 0x00, 0x00, 0x16};
|
|
|
|
/* PAS106 uses reg 7 and 8 instead of b and c */
|
|
if (sd->sensor == SENSOR_PAS106) {
|
|
i2cpbright[2] = 7;
|
|
i2cpdoit[2] = 0x13;
|
|
}
|
|
|
|
if (sd->brightness < 127) {
|
|
/* change reg 0x0b, signreg */
|
|
i2cpbright[3] = 0x01;
|
|
/* set reg 0x0c, offset */
|
|
i2cpbright[4] = 127 - sd->brightness;
|
|
} else
|
|
i2cpbright[4] = sd->brightness - 127;
|
|
|
|
if (i2c_w(gspca_dev, i2cpbright) < 0)
|
|
goto err;
|
|
if (i2c_w(gspca_dev, i2cpdoit) < 0)
|
|
goto err;
|
|
break;
|
|
}
|
|
case SENSOR_TAS5130CXX: {
|
|
__u8 i2c[] =
|
|
{0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10};
|
|
|
|
value = 0xff - sd->brightness;
|
|
i2c[4] = value;
|
|
PDEBUG(D_CONF, "brightness %d : %d", value, i2c[4]);
|
|
if (i2c_w(gspca_dev, i2c) < 0)
|
|
goto err;
|
|
break;
|
|
}
|
|
}
|
|
return;
|
|
err:
|
|
PDEBUG(D_ERR, "i2c error brightness");
|
|
}
|
|
|
|
static void setsensorgain(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
unsigned char gain = sd->gain;
|
|
|
|
switch (sd->sensor) {
|
|
|
|
case SENSOR_TAS5110C:
|
|
case SENSOR_TAS5110D: {
|
|
__u8 i2c[] =
|
|
{0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10};
|
|
|
|
i2c[4] = 255 - gain;
|
|
if (i2c_w(gspca_dev, i2c) < 0)
|
|
goto err;
|
|
break;
|
|
}
|
|
|
|
case SENSOR_OV6650:
|
|
gain >>= 1;
|
|
/* fall thru */
|
|
case SENSOR_OV7630: {
|
|
__u8 i2c[] = {0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10};
|
|
|
|
i2c[1] = sensor_data[sd->sensor].sensor_addr;
|
|
i2c[3] = gain >> 2;
|
|
if (i2c_w(gspca_dev, i2c) < 0)
|
|
goto err;
|
|
break;
|
|
}
|
|
case SENSOR_PAS106:
|
|
case SENSOR_PAS202: {
|
|
__u8 i2cpgain[] =
|
|
{0xa0, 0x40, 0x10, 0x00, 0x00, 0x00, 0x00, 0x15};
|
|
__u8 i2cpcolorgain[] =
|
|
{0xc0, 0x40, 0x07, 0x00, 0x00, 0x00, 0x00, 0x15};
|
|
__u8 i2cpdoit[] =
|
|
{0xa0, 0x40, 0x11, 0x01, 0x00, 0x00, 0x00, 0x16};
|
|
|
|
/* PAS106 uses different regs (and has split green gains) */
|
|
if (sd->sensor == SENSOR_PAS106) {
|
|
i2cpgain[2] = 0x0e;
|
|
i2cpcolorgain[0] = 0xd0;
|
|
i2cpcolorgain[2] = 0x09;
|
|
i2cpdoit[2] = 0x13;
|
|
}
|
|
|
|
i2cpgain[3] = sd->gain >> 3;
|
|
i2cpcolorgain[3] = sd->gain >> 4;
|
|
i2cpcolorgain[4] = sd->gain >> 4;
|
|
i2cpcolorgain[5] = sd->gain >> 4;
|
|
i2cpcolorgain[6] = sd->gain >> 4;
|
|
|
|
if (i2c_w(gspca_dev, i2cpgain) < 0)
|
|
goto err;
|
|
if (i2c_w(gspca_dev, i2cpcolorgain) < 0)
|
|
goto err;
|
|
if (i2c_w(gspca_dev, i2cpdoit) < 0)
|
|
goto err;
|
|
break;
|
|
}
|
|
}
|
|
return;
|
|
err:
|
|
PDEBUG(D_ERR, "i2c error gain");
|
|
}
|
|
|
|
static void setgain(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
__u8 gain;
|
|
__u8 buf[2] = { 0, 0 };
|
|
|
|
if (sensor_data[sd->sensor].flags & F_GAIN) {
|
|
/* Use the sensor gain to do the actual gain */
|
|
setsensorgain(gspca_dev);
|
|
return;
|
|
}
|
|
|
|
gain = sd->gain >> 4;
|
|
|
|
/* red and blue gain */
|
|
buf[0] = gain << 4 | gain;
|
|
/* green gain */
|
|
buf[1] = gain;
|
|
reg_w(gspca_dev, 0x10, buf, 2);
|
|
}
|
|
|
|
static void setexposure(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
switch (sd->sensor) {
|
|
case SENSOR_TAS5110C:
|
|
case SENSOR_TAS5110D: {
|
|
/* register 19's high nibble contains the sn9c10x clock divider
|
|
The high nibble configures the no fps according to the
|
|
formula: 60 / high_nibble. With a maximum of 30 fps */
|
|
__u8 reg = sd->exposure;
|
|
reg = (reg << 4) | 0x0b;
|
|
reg_w(gspca_dev, 0x19, ®, 1);
|
|
break;
|
|
}
|
|
case SENSOR_OV6650:
|
|
case SENSOR_OV7630: {
|
|
/* The ov6650 / ov7630 have 2 registers which both influence
|
|
exposure, register 11, whose low nibble sets the nr off fps
|
|
according to: fps = 30 / (low_nibble + 1)
|
|
|
|
The fps configures the maximum exposure setting, but it is
|
|
possible to use less exposure then what the fps maximum
|
|
allows by setting register 10. register 10 configures the
|
|
actual exposure as quotient of the full exposure, with 0
|
|
being no exposure at all (not very usefull) and reg10_max
|
|
being max exposure possible at that framerate.
|
|
|
|
The code maps our 0 - 510 ms exposure ctrl to these 2
|
|
registers, trying to keep fps as high as possible.
|
|
*/
|
|
__u8 i2c[] = {0xb0, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10};
|
|
int reg10, reg11, reg10_max;
|
|
|
|
/* ov6645 datasheet says reg10_max is 9a, but that uses
|
|
tline * 2 * reg10 as formula for calculating texpo, the
|
|
ov6650 probably uses the same formula as the 7730 which uses
|
|
tline * 4 * reg10, which explains why the reg10max we've
|
|
found experimentally for the ov6650 is exactly half that of
|
|
the ov6645. The ov7630 datasheet says the max is 0x41. */
|
|
if (sd->sensor == SENSOR_OV6650) {
|
|
reg10_max = 0x4d;
|
|
i2c[4] = 0xc0; /* OV6650 needs non default vsync pol */
|
|
} else
|
|
reg10_max = 0x41;
|
|
|
|
reg11 = (15 * sd->exposure + 999) / 1000;
|
|
if (reg11 < 1)
|
|
reg11 = 1;
|
|
else if (reg11 > 16)
|
|
reg11 = 16;
|
|
|
|
/* In 640x480, if the reg11 has less than 4, the image is
|
|
unstable (the bridge goes into a higher compression mode
|
|
which we have not reverse engineered yet). */
|
|
if (gspca_dev->width == 640 && reg11 < 4)
|
|
reg11 = 4;
|
|
|
|
/* frame exposure time in ms = 1000 * reg11 / 30 ->
|
|
reg10 = (sd->exposure / 2) * reg10_max / (1000 * reg11 / 30) */
|
|
reg10 = (sd->exposure * 15 * reg10_max) / (1000 * reg11);
|
|
|
|
/* Don't allow this to get below 10 when using autogain, the
|
|
steps become very large (relatively) when below 10 causing
|
|
the image to oscilate from much too dark, to much too bright
|
|
and back again. */
|
|
if (sd->autogain && reg10 < 10)
|
|
reg10 = 10;
|
|
else if (reg10 > reg10_max)
|
|
reg10 = reg10_max;
|
|
|
|
/* Write reg 10 and reg11 low nibble */
|
|
i2c[1] = sensor_data[sd->sensor].sensor_addr;
|
|
i2c[3] = reg10;
|
|
i2c[4] |= reg11 - 1;
|
|
|
|
/* If register 11 didn't change, don't change it */
|
|
if (sd->reg11 == reg11 )
|
|
i2c[0] = 0xa0;
|
|
|
|
if (i2c_w(gspca_dev, i2c) == 0)
|
|
sd->reg11 = reg11;
|
|
else
|
|
goto err;
|
|
break;
|
|
}
|
|
case SENSOR_PAS202: {
|
|
__u8 i2cpframerate[] =
|
|
{0xb0, 0x40, 0x04, 0x00, 0x00, 0x00, 0x00, 0x16};
|
|
__u8 i2cpexpo[] =
|
|
{0xa0, 0x40, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x16};
|
|
const __u8 i2cpdoit[] =
|
|
{0xa0, 0x40, 0x11, 0x01, 0x00, 0x00, 0x00, 0x16};
|
|
int framerate_ctrl;
|
|
|
|
/* The exposure knee for the autogain algorithm is 200
|
|
(100 ms / 10 fps on other sensors), for values below this
|
|
use the control for setting the partial frame expose time,
|
|
above that use variable framerate. This way we run at max
|
|
framerate (640x480@7.5 fps, 320x240@10fps) until the knee
|
|
is reached. Using the variable framerate control above 200
|
|
is better then playing around with both clockdiv + partial
|
|
frame exposure times (like we are doing with the ov chips),
|
|
as that sometimes leads to jumps in the exposure control,
|
|
which are bad for auto exposure. */
|
|
if (sd->exposure < 200) {
|
|
i2cpexpo[3] = 255 - (sd->exposure * 255) / 200;
|
|
framerate_ctrl = 500;
|
|
} else {
|
|
/* The PAS202's exposure control goes from 0 - 4095,
|
|
but anything below 500 causes vsync issues, so scale
|
|
our 200-1023 to 500-4095 */
|
|
framerate_ctrl = (sd->exposure - 200) * 1000 / 229 +
|
|
500;
|
|
}
|
|
|
|
i2cpframerate[3] = framerate_ctrl >> 6;
|
|
i2cpframerate[4] = framerate_ctrl & 0x3f;
|
|
if (i2c_w(gspca_dev, i2cpframerate) < 0)
|
|
goto err;
|
|
if (i2c_w(gspca_dev, i2cpexpo) < 0)
|
|
goto err;
|
|
if (i2c_w(gspca_dev, i2cpdoit) < 0)
|
|
goto err;
|
|
break;
|
|
}
|
|
case SENSOR_PAS106: {
|
|
__u8 i2cpframerate[] =
|
|
{0xb1, 0x40, 0x03, 0x00, 0x00, 0x00, 0x00, 0x14};
|
|
__u8 i2cpexpo[] =
|
|
{0xa1, 0x40, 0x05, 0x00, 0x00, 0x00, 0x00, 0x14};
|
|
const __u8 i2cpdoit[] =
|
|
{0xa1, 0x40, 0x13, 0x01, 0x00, 0x00, 0x00, 0x14};
|
|
int framerate_ctrl;
|
|
|
|
/* For values below 150 use partial frame exposure, above
|
|
that use framerate ctrl */
|
|
if (sd->exposure < 150) {
|
|
i2cpexpo[3] = 150 - sd->exposure;
|
|
framerate_ctrl = 300;
|
|
} else {
|
|
/* The PAS106's exposure control goes from 0 - 4095,
|
|
but anything below 300 causes vsync issues, so scale
|
|
our 150-1023 to 300-4095 */
|
|
framerate_ctrl = (sd->exposure - 150) * 1000 / 230 +
|
|
300;
|
|
}
|
|
|
|
i2cpframerate[3] = framerate_ctrl >> 4;
|
|
i2cpframerate[4] = framerate_ctrl & 0x0f;
|
|
if (i2c_w(gspca_dev, i2cpframerate) < 0)
|
|
goto err;
|
|
if (i2c_w(gspca_dev, i2cpexpo) < 0)
|
|
goto err;
|
|
if (i2c_w(gspca_dev, i2cpdoit) < 0)
|
|
goto err;
|
|
break;
|
|
}
|
|
}
|
|
return;
|
|
err:
|
|
PDEBUG(D_ERR, "i2c error exposure");
|
|
}
|
|
|
|
static void setfreq(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
switch (sd->sensor) {
|
|
case SENSOR_OV6650:
|
|
case SENSOR_OV7630: {
|
|
/* Framerate adjust register for artificial light 50 hz flicker
|
|
compensation, for the ov6650 this is identical to ov6630
|
|
0x2b register, see ov6630 datasheet.
|
|
0x4f / 0x8a -> (30 fps -> 25 fps), 0x00 -> no adjustment */
|
|
__u8 i2c[] = {0xa0, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10};
|
|
switch (sd->freq) {
|
|
default:
|
|
/* case 0: * no filter*/
|
|
/* case 2: * 60 hz */
|
|
i2c[3] = 0;
|
|
break;
|
|
case 1: /* 50 hz */
|
|
i2c[3] = (sd->sensor == SENSOR_OV6650)
|
|
? 0x4f : 0x8a;
|
|
break;
|
|
}
|
|
i2c[1] = sensor_data[sd->sensor].sensor_addr;
|
|
if (i2c_w(gspca_dev, i2c) < 0)
|
|
PDEBUG(D_ERR, "i2c error setfreq");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
#include "coarse_expo_autogain.h"
|
|
|
|
static void do_autogain(struct gspca_dev *gspca_dev)
|
|
{
|
|
int deadzone, desired_avg_lum, result;
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int avg_lum = atomic_read(&sd->avg_lum);
|
|
|
|
if (avg_lum == -1 || !sd->autogain)
|
|
return;
|
|
|
|
if (sd->autogain_ignore_frames > 0) {
|
|
sd->autogain_ignore_frames--;
|
|
return;
|
|
}
|
|
|
|
/* SIF / VGA sensors have a different autoexposure area and thus
|
|
different avg_lum values for the same picture brightness */
|
|
if (sensor_data[sd->sensor].flags & F_SIF) {
|
|
deadzone = 500;
|
|
/* SIF sensors tend to overexpose, so keep this small */
|
|
desired_avg_lum = 5000;
|
|
} else {
|
|
deadzone = 1500;
|
|
desired_avg_lum = 18000;
|
|
}
|
|
|
|
if (sensor_data[sd->sensor].flags & F_COARSE_EXPO)
|
|
result = gspca_coarse_grained_expo_autogain(gspca_dev, avg_lum,
|
|
sd->brightness * desired_avg_lum / 127,
|
|
deadzone);
|
|
else
|
|
result = gspca_auto_gain_n_exposure(gspca_dev, avg_lum,
|
|
sd->brightness * desired_avg_lum / 127,
|
|
deadzone, GAIN_KNEE, EXPOSURE_KNEE);
|
|
|
|
if (result) {
|
|
PDEBUG(D_FRAM, "autogain: gain changed: gain: %d expo: %d",
|
|
(int)sd->gain, (int)sd->exposure);
|
|
sd->autogain_ignore_frames = AUTOGAIN_IGNORE_FRAMES;
|
|
}
|
|
}
|
|
|
|
/* this function is called at probe time */
|
|
static int sd_config(struct gspca_dev *gspca_dev,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct cam *cam;
|
|
|
|
reg_r(gspca_dev, 0x00);
|
|
if (gspca_dev->usb_buf[0] != 0x10)
|
|
return -ENODEV;
|
|
|
|
/* copy the webcam info from the device id */
|
|
sd->sensor = id->driver_info >> 8;
|
|
sd->bridge = id->driver_info & 0xff;
|
|
gspca_dev->ctrl_dis = sensor_data[sd->sensor].ctrl_dis;
|
|
|
|
cam = &gspca_dev->cam;
|
|
if (!(sensor_data[sd->sensor].flags & F_SIF)) {
|
|
cam->cam_mode = vga_mode;
|
|
cam->nmodes = ARRAY_SIZE(vga_mode);
|
|
} else {
|
|
cam->cam_mode = sif_mode;
|
|
cam->nmodes = ARRAY_SIZE(sif_mode);
|
|
}
|
|
cam->npkt = 36; /* 36 packets per ISOC message */
|
|
|
|
sd->brightness = BRIGHTNESS_DEF;
|
|
sd->gain = GAIN_DEF;
|
|
if (sensor_data[sd->sensor].flags & F_COARSE_EXPO) {
|
|
sd->exposure = COARSE_EXPOSURE_DEF;
|
|
gspca_dev->ctrl_dis |= (1 << EXPOSURE_IDX);
|
|
} else {
|
|
sd->exposure = EXPOSURE_DEF;
|
|
gspca_dev->ctrl_dis |= (1 << COARSE_EXPOSURE_IDX);
|
|
}
|
|
if (gspca_dev->ctrl_dis & (1 << AUTOGAIN_IDX))
|
|
sd->autogain = 0; /* Disable do_autogain callback */
|
|
else
|
|
sd->autogain = AUTOGAIN_DEF;
|
|
sd->freq = FREQ_DEF;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* this function is called at probe and resume time */
|
|
static int sd_init(struct gspca_dev *gspca_dev)
|
|
{
|
|
const __u8 stop = 0x09; /* Disable stream turn of LED */
|
|
|
|
reg_w(gspca_dev, 0x01, &stop, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* -- start the camera -- */
|
|
static int sd_start(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct cam *cam = &gspca_dev->cam;
|
|
int mode, l;
|
|
const __u8 *sn9c10x;
|
|
__u8 reg12_19[8];
|
|
|
|
mode = cam->cam_mode[gspca_dev->curr_mode].priv & 0x07;
|
|
sn9c10x = sensor_data[sd->sensor].bridge_init[sd->bridge];
|
|
l = sensor_data[sd->sensor].bridge_init_size[sd->bridge];
|
|
memcpy(reg12_19, &sn9c10x[0x12 - 1], 8);
|
|
reg12_19[6] = sn9c10x[0x18 - 1] | (mode << 4);
|
|
/* Special cases where reg 17 and or 19 value depends on mode */
|
|
switch (sd->sensor) {
|
|
case SENSOR_TAS5130CXX:
|
|
/* probably not mode specific at all most likely the upper
|
|
nibble of 0x19 is exposure (clock divider) just as with
|
|
the tas5110, we need someone to test this. */
|
|
reg12_19[7] = mode ? 0x23 : 0x43;
|
|
break;
|
|
}
|
|
/* Disable compression when the raw bayer format has been selected */
|
|
if (cam->cam_mode[gspca_dev->curr_mode].priv & MODE_RAW)
|
|
reg12_19[6] &= ~0x80;
|
|
|
|
/* Vga mode emulation on SIF sensor? */
|
|
if (cam->cam_mode[gspca_dev->curr_mode].priv & MODE_REDUCED_SIF) {
|
|
reg12_19[0] += 16; /* 0x12: hstart adjust */
|
|
reg12_19[1] += 24; /* 0x13: vstart adjust */
|
|
reg12_19[3] = 320 / 16; /* 0x15: hsize */
|
|
reg12_19[4] = 240 / 16; /* 0x16: vsize */
|
|
}
|
|
|
|
/* reg 0x01 bit 2 video transfert on */
|
|
reg_w(gspca_dev, 0x01, &sn9c10x[0x01 - 1], 1);
|
|
/* reg 0x17 SensorClk enable inv Clk 0x60 */
|
|
reg_w(gspca_dev, 0x17, &sn9c10x[0x17 - 1], 1);
|
|
/* Set the registers from the template */
|
|
reg_w(gspca_dev, 0x01, sn9c10x, l);
|
|
|
|
/* Init the sensor */
|
|
i2c_w_vector(gspca_dev, sensor_data[sd->sensor].sensor_init,
|
|
sensor_data[sd->sensor].sensor_init_size);
|
|
if (sensor_data[sd->sensor].sensor_bridge_init[sd->bridge])
|
|
i2c_w_vector(gspca_dev,
|
|
sensor_data[sd->sensor].sensor_bridge_init[sd->bridge],
|
|
sensor_data[sd->sensor].sensor_bridge_init_size[
|
|
sd->bridge]);
|
|
|
|
/* Mode specific sensor setup */
|
|
switch (sd->sensor) {
|
|
case SENSOR_PAS202: {
|
|
const __u8 i2cpclockdiv[] =
|
|
{0xa0, 0x40, 0x02, 0x03, 0x00, 0x00, 0x00, 0x10};
|
|
/* clockdiv from 4 to 3 (7.5 -> 10 fps) when in low res mode */
|
|
if (mode)
|
|
i2c_w(gspca_dev, i2cpclockdiv);
|
|
}
|
|
}
|
|
/* H_size V_size 0x28, 0x1e -> 640x480. 0x16, 0x12 -> 352x288 */
|
|
reg_w(gspca_dev, 0x15, ®12_19[3], 2);
|
|
/* compression register */
|
|
reg_w(gspca_dev, 0x18, ®12_19[6], 1);
|
|
/* H_start */
|
|
reg_w(gspca_dev, 0x12, ®12_19[0], 1);
|
|
/* V_START */
|
|
reg_w(gspca_dev, 0x13, ®12_19[1], 1);
|
|
/* reset 0x17 SensorClk enable inv Clk 0x60 */
|
|
/*fixme: ov7630 [17]=68 8f (+20 if 102)*/
|
|
reg_w(gspca_dev, 0x17, ®12_19[5], 1);
|
|
/*MCKSIZE ->3 */ /*fixme: not ov7630*/
|
|
reg_w(gspca_dev, 0x19, ®12_19[7], 1);
|
|
/* AE_STRX AE_STRY AE_ENDX AE_ENDY */
|
|
reg_w(gspca_dev, 0x1c, &sn9c10x[0x1c - 1], 4);
|
|
/* Enable video transfert */
|
|
reg_w(gspca_dev, 0x01, &sn9c10x[0], 1);
|
|
/* Compression */
|
|
reg_w(gspca_dev, 0x18, ®12_19[6], 2);
|
|
msleep(20);
|
|
|
|
sd->reg11 = -1;
|
|
|
|
setgain(gspca_dev);
|
|
setbrightness(gspca_dev);
|
|
setexposure(gspca_dev);
|
|
setfreq(gspca_dev);
|
|
|
|
sd->frames_to_drop = 0;
|
|
sd->autogain_ignore_frames = 0;
|
|
sd->exp_too_high_cnt = 0;
|
|
sd->exp_too_low_cnt = 0;
|
|
atomic_set(&sd->avg_lum, -1);
|
|
return 0;
|
|
}
|
|
|
|
static void sd_stopN(struct gspca_dev *gspca_dev)
|
|
{
|
|
sd_init(gspca_dev);
|
|
}
|
|
|
|
static void sd_pkt_scan(struct gspca_dev *gspca_dev,
|
|
u8 *data, /* isoc packet */
|
|
int len) /* iso packet length */
|
|
{
|
|
int i;
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct cam *cam = &gspca_dev->cam;
|
|
|
|
/* frames start with:
|
|
* ff ff 00 c4 c4 96 synchro
|
|
* 00 (unknown)
|
|
* xx (frame sequence / size / compression)
|
|
* (xx) (idem - extra byte for sn9c103)
|
|
* ll mm brightness sum inside auto exposure
|
|
* ll mm brightness sum outside auto exposure
|
|
* (xx xx xx xx xx) audio values for snc103
|
|
*/
|
|
if (len > 6 && len < 24) {
|
|
for (i = 0; i < len - 6; i++) {
|
|
if (data[0 + i] == 0xff
|
|
&& data[1 + i] == 0xff
|
|
&& data[2 + i] == 0x00
|
|
&& data[3 + i] == 0xc4
|
|
&& data[4 + i] == 0xc4
|
|
&& data[5 + i] == 0x96) { /* start of frame */
|
|
int lum = -1;
|
|
int pkt_type = LAST_PACKET;
|
|
int fr_h_sz = (sd->bridge == BRIDGE_103) ?
|
|
18 : 12;
|
|
|
|
if (len - i < fr_h_sz) {
|
|
PDEBUG(D_STREAM, "packet too short to"
|
|
" get avg brightness");
|
|
} else if (sd->bridge == BRIDGE_103) {
|
|
lum = data[i + 9] +
|
|
(data[i + 10] << 8);
|
|
} else {
|
|
lum = data[i + 8] + (data[i + 9] << 8);
|
|
}
|
|
/* When exposure changes midway a frame we
|
|
get a lum of 0 in this case drop 2 frames
|
|
as the frames directly after an exposure
|
|
change have an unstable image. Sometimes lum
|
|
*really* is 0 (cam used in low light with
|
|
low exposure setting), so do not drop frames
|
|
if the previous lum was 0 too. */
|
|
if (lum == 0 && sd->prev_avg_lum != 0) {
|
|
lum = -1;
|
|
sd->frames_to_drop = 2;
|
|
sd->prev_avg_lum = 0;
|
|
} else
|
|
sd->prev_avg_lum = lum;
|
|
atomic_set(&sd->avg_lum, lum);
|
|
|
|
if (sd->frames_to_drop) {
|
|
sd->frames_to_drop--;
|
|
pkt_type = DISCARD_PACKET;
|
|
}
|
|
|
|
gspca_frame_add(gspca_dev, pkt_type,
|
|
NULL, 0);
|
|
data += i + fr_h_sz;
|
|
len -= i + fr_h_sz;
|
|
gspca_frame_add(gspca_dev, FIRST_PACKET,
|
|
data, len);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (cam->cam_mode[gspca_dev->curr_mode].priv & MODE_RAW) {
|
|
/* In raw mode we sometimes get some garbage after the frame
|
|
ignore this */
|
|
struct gspca_frame *frame;
|
|
int used;
|
|
int size = cam->cam_mode[gspca_dev->curr_mode].sizeimage;
|
|
|
|
frame = gspca_get_i_frame(gspca_dev);
|
|
if (frame == NULL) {
|
|
gspca_dev->last_packet_type = DISCARD_PACKET;
|
|
return;
|
|
}
|
|
used = frame->data_end - frame->data;
|
|
if (used + len > size)
|
|
len = size - used;
|
|
}
|
|
|
|
gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
|
|
}
|
|
|
|
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->brightness = val;
|
|
if (gspca_dev->streaming)
|
|
setbrightness(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->brightness;
|
|
return 0;
|
|
}
|
|
|
|
static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->gain = val;
|
|
if (gspca_dev->streaming)
|
|
setgain(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->gain;
|
|
return 0;
|
|
}
|
|
|
|
static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->exposure = val;
|
|
if (gspca_dev->streaming)
|
|
setexposure(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->exposure;
|
|
return 0;
|
|
}
|
|
|
|
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->autogain = val;
|
|
sd->exp_too_high_cnt = 0;
|
|
sd->exp_too_low_cnt = 0;
|
|
|
|
/* when switching to autogain set defaults to make sure
|
|
we are on a valid point of the autogain gain /
|
|
exposure knee graph, and give this change time to
|
|
take effect before doing autogain. */
|
|
if (sd->autogain && !(sensor_data[sd->sensor].flags & F_COARSE_EXPO)) {
|
|
sd->exposure = EXPOSURE_DEF;
|
|
sd->gain = GAIN_DEF;
|
|
if (gspca_dev->streaming) {
|
|
sd->autogain_ignore_frames = AUTOGAIN_IGNORE_FRAMES;
|
|
setexposure(gspca_dev);
|
|
setgain(gspca_dev);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->autogain;
|
|
return 0;
|
|
}
|
|
|
|
static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
sd->freq = val;
|
|
if (gspca_dev->streaming)
|
|
setfreq(gspca_dev);
|
|
return 0;
|
|
}
|
|
|
|
static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
*val = sd->freq;
|
|
return 0;
|
|
}
|
|
|
|
static int sd_querymenu(struct gspca_dev *gspca_dev,
|
|
struct v4l2_querymenu *menu)
|
|
{
|
|
switch (menu->id) {
|
|
case V4L2_CID_POWER_LINE_FREQUENCY:
|
|
switch (menu->index) {
|
|
case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
|
|
strcpy((char *) menu->name, "NoFliker");
|
|
return 0;
|
|
case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
|
|
strcpy((char *) menu->name, "50 Hz");
|
|
return 0;
|
|
case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
|
|
strcpy((char *) menu->name, "60 Hz");
|
|
return 0;
|
|
}
|
|
break;
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
#ifdef CONFIG_INPUT
|
|
static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
|
|
u8 *data, /* interrupt packet data */
|
|
int len) /* interrupt packet length */
|
|
{
|
|
int ret = -EINVAL;
|
|
|
|
if (len == 1 && data[0] == 1) {
|
|
input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
|
|
input_sync(gspca_dev->input_dev);
|
|
input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
|
|
input_sync(gspca_dev->input_dev);
|
|
ret = 0;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
/* sub-driver description */
|
|
static const struct sd_desc sd_desc = {
|
|
.name = MODULE_NAME,
|
|
.ctrls = sd_ctrls,
|
|
.nctrls = ARRAY_SIZE(sd_ctrls),
|
|
.config = sd_config,
|
|
.init = sd_init,
|
|
.start = sd_start,
|
|
.stopN = sd_stopN,
|
|
.pkt_scan = sd_pkt_scan,
|
|
.querymenu = sd_querymenu,
|
|
.dq_callback = do_autogain,
|
|
#ifdef CONFIG_INPUT
|
|
.int_pkt_scan = sd_int_pkt_scan,
|
|
#endif
|
|
};
|
|
|
|
/* -- module initialisation -- */
|
|
#define SB(sensor, bridge) \
|
|
.driver_info = (SENSOR_ ## sensor << 8) | BRIDGE_ ## bridge
|
|
|
|
|
|
static const struct usb_device_id device_table[] __devinitconst = {
|
|
{USB_DEVICE(0x0c45, 0x6001), SB(TAS5110C, 102)}, /* TAS5110C1B */
|
|
{USB_DEVICE(0x0c45, 0x6005), SB(TAS5110C, 101)}, /* TAS5110C1B */
|
|
#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
|
|
{USB_DEVICE(0x0c45, 0x6007), SB(TAS5110D, 101)}, /* TAS5110D */
|
|
#endif
|
|
{USB_DEVICE(0x0c45, 0x6009), SB(PAS106, 101)},
|
|
{USB_DEVICE(0x0c45, 0x600d), SB(PAS106, 101)},
|
|
{USB_DEVICE(0x0c45, 0x6011), SB(OV6650, 101)},
|
|
#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
|
|
{USB_DEVICE(0x0c45, 0x6019), SB(OV7630, 101)},
|
|
{USB_DEVICE(0x0c45, 0x6024), SB(TAS5130CXX, 102)},
|
|
{USB_DEVICE(0x0c45, 0x6025), SB(TAS5130CXX, 102)},
|
|
#endif
|
|
{USB_DEVICE(0x0c45, 0x6028), SB(PAS202, 102)},
|
|
{USB_DEVICE(0x0c45, 0x6029), SB(PAS106, 102)},
|
|
{USB_DEVICE(0x0c45, 0x602c), SB(OV7630, 102)},
|
|
{USB_DEVICE(0x0c45, 0x602d), SB(HV7131R, 102)},
|
|
{USB_DEVICE(0x0c45, 0x602e), SB(OV7630, 102)},
|
|
{USB_DEVICE(0x0c45, 0x608f), SB(OV7630, 103)},
|
|
#if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
|
|
{USB_DEVICE(0x0c45, 0x60af), SB(PAS202, 103)},
|
|
#endif
|
|
{USB_DEVICE(0x0c45, 0x60b0), SB(OV7630, 103)},
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(usb, device_table);
|
|
|
|
/* -- device connect -- */
|
|
static int __devinit sd_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
|
|
THIS_MODULE);
|
|
}
|
|
|
|
static struct usb_driver sd_driver = {
|
|
.name = MODULE_NAME,
|
|
.id_table = device_table,
|
|
.probe = sd_probe,
|
|
.disconnect = gspca_disconnect,
|
|
#ifdef CONFIG_PM
|
|
.suspend = gspca_suspend,
|
|
.resume = gspca_resume,
|
|
#endif
|
|
};
|
|
|
|
/* -- module insert / remove -- */
|
|
static int __init sd_mod_init(void)
|
|
{
|
|
int ret;
|
|
ret = usb_register(&sd_driver);
|
|
if (ret < 0)
|
|
return ret;
|
|
PDEBUG(D_PROBE, "registered");
|
|
return 0;
|
|
}
|
|
static void __exit sd_mod_exit(void)
|
|
{
|
|
usb_deregister(&sd_driver);
|
|
PDEBUG(D_PROBE, "deregistered");
|
|
}
|
|
|
|
module_init(sd_mod_init);
|
|
module_exit(sd_mod_exit);
|