763 lines
18 KiB
C
763 lines
18 KiB
C
/*
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* Driver for the po1030 sensor
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*
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* Copyright (c) 2008 Erik Andrén
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* Copyright (c) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
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* Copyright (c) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
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*
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* Portions of code to USB interface and ALi driver software,
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* Copyright (c) 2006 Willem Duinker
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* v4l2 interface modeled after the V4L2 driver
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* for SN9C10x PC Camera Controllers
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*
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*/
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#include "m5602_po1030.h"
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static int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val);
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static int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
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static int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val);
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static int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val);
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static int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val);
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static int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val);
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static int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val);
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static int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val);
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static int po1030_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val);
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static int po1030_set_green_balance(struct gspca_dev *gspca_dev, __s32 val);
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static int po1030_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
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static int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
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static int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
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static int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
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static int po1030_set_auto_white_balance(struct gspca_dev *gspca_dev,
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__s32 val);
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static int po1030_get_auto_white_balance(struct gspca_dev *gspca_dev,
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__s32 *val);
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static int po1030_set_auto_exposure(struct gspca_dev *gspca_dev,
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__s32 val);
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static int po1030_get_auto_exposure(struct gspca_dev *gspca_dev,
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__s32 *val);
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static struct v4l2_pix_format po1030_modes[] = {
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{
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640,
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480,
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V4L2_PIX_FMT_SBGGR8,
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V4L2_FIELD_NONE,
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.sizeimage = 640 * 480,
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.bytesperline = 640,
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.colorspace = V4L2_COLORSPACE_SRGB,
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.priv = 2
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}
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};
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static const struct ctrl po1030_ctrls[] = {
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#define GAIN_IDX 0
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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 = 0x00,
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.maximum = 0x4f,
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.step = 0x1,
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.default_value = PO1030_GLOBAL_GAIN_DEFAULT,
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.flags = V4L2_CTRL_FLAG_SLIDER
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},
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.set = po1030_set_gain,
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.get = po1030_get_gain
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},
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#define EXPOSURE_IDX 1
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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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.minimum = 0x00,
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.maximum = 0x02ff,
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.step = 0x1,
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.default_value = PO1030_EXPOSURE_DEFAULT,
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.flags = V4L2_CTRL_FLAG_SLIDER
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},
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.set = po1030_set_exposure,
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.get = po1030_get_exposure
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},
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#define RED_BALANCE_IDX 2
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{
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{
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.id = V4L2_CID_RED_BALANCE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "red balance",
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.minimum = 0x00,
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.maximum = 0xff,
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.step = 0x1,
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.default_value = PO1030_RED_GAIN_DEFAULT,
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.flags = V4L2_CTRL_FLAG_SLIDER
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},
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.set = po1030_set_red_balance,
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.get = po1030_get_red_balance
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},
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#define BLUE_BALANCE_IDX 3
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{
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{
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.id = V4L2_CID_BLUE_BALANCE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "blue balance",
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.minimum = 0x00,
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.maximum = 0xff,
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.step = 0x1,
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.default_value = PO1030_BLUE_GAIN_DEFAULT,
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.flags = V4L2_CTRL_FLAG_SLIDER
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},
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.set = po1030_set_blue_balance,
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.get = po1030_get_blue_balance
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},
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#define HFLIP_IDX 4
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{
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{
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.id = V4L2_CID_HFLIP,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "horizontal flip",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 0,
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},
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.set = po1030_set_hflip,
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.get = po1030_get_hflip
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},
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#define VFLIP_IDX 5
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{
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{
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.id = V4L2_CID_VFLIP,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "vertical flip",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 0,
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},
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.set = po1030_set_vflip,
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.get = po1030_get_vflip
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},
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#define AUTO_WHITE_BALANCE_IDX 6
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{
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{
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.id = V4L2_CID_AUTO_WHITE_BALANCE,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "auto white balance",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 0,
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},
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.set = po1030_set_auto_white_balance,
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.get = po1030_get_auto_white_balance
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},
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#define AUTO_EXPOSURE_IDX 7
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{
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{
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.id = V4L2_CID_EXPOSURE_AUTO,
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.type = V4L2_CTRL_TYPE_BOOLEAN,
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.name = "auto exposure",
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.minimum = 0,
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.maximum = 1,
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.step = 1,
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.default_value = 0,
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},
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.set = po1030_set_auto_exposure,
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.get = po1030_get_auto_exposure
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},
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#define GREEN_BALANCE_IDX 8
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{
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{
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.id = M5602_V4L2_CID_GREEN_BALANCE,
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.type = V4L2_CTRL_TYPE_INTEGER,
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.name = "green balance",
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.minimum = 0x00,
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.maximum = 0xff,
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.step = 0x1,
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.default_value = PO1030_GREEN_GAIN_DEFAULT,
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.flags = V4L2_CTRL_FLAG_SLIDER
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},
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.set = po1030_set_green_balance,
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.get = po1030_get_green_balance
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},
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};
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static void po1030_dump_registers(struct sd *sd);
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int po1030_probe(struct sd *sd)
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{
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u8 dev_id_h = 0, i;
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s32 *sensor_settings;
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if (force_sensor) {
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if (force_sensor == PO1030_SENSOR) {
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info("Forcing a %s sensor", po1030.name);
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goto sensor_found;
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}
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/* If we want to force another sensor, don't try to probe this
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* one */
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return -ENODEV;
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}
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info("Probing for a po1030 sensor");
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/* Run the pre-init to actually probe the unit */
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for (i = 0; i < ARRAY_SIZE(preinit_po1030); i++) {
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u8 data = preinit_po1030[i][2];
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if (preinit_po1030[i][0] == SENSOR)
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m5602_write_sensor(sd,
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preinit_po1030[i][1], &data, 1);
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else
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m5602_write_bridge(sd, preinit_po1030[i][1], data);
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}
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if (m5602_read_sensor(sd, PO1030_DEVID_H, &dev_id_h, 1))
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return -ENODEV;
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if (dev_id_h == 0x30) {
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info("Detected a po1030 sensor");
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goto sensor_found;
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}
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return -ENODEV;
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sensor_found:
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sensor_settings = kmalloc(
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ARRAY_SIZE(po1030_ctrls) * sizeof(s32), GFP_KERNEL);
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if (!sensor_settings)
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return -ENOMEM;
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sd->gspca_dev.cam.cam_mode = po1030_modes;
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sd->gspca_dev.cam.nmodes = ARRAY_SIZE(po1030_modes);
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sd->desc->ctrls = po1030_ctrls;
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sd->desc->nctrls = ARRAY_SIZE(po1030_ctrls);
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for (i = 0; i < ARRAY_SIZE(po1030_ctrls); i++)
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sensor_settings[i] = po1030_ctrls[i].qctrl.default_value;
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sd->sensor_priv = sensor_settings;
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return 0;
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}
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int po1030_init(struct sd *sd)
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{
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s32 *sensor_settings = sd->sensor_priv;
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int i, err = 0;
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/* Init the sensor */
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for (i = 0; i < ARRAY_SIZE(init_po1030) && !err; i++) {
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u8 data[2] = {0x00, 0x00};
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switch (init_po1030[i][0]) {
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case BRIDGE:
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err = m5602_write_bridge(sd,
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init_po1030[i][1],
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init_po1030[i][2]);
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break;
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case SENSOR:
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data[0] = init_po1030[i][2];
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err = m5602_write_sensor(sd,
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init_po1030[i][1], data, 1);
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break;
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default:
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info("Invalid stream command, exiting init");
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return -EINVAL;
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}
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}
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if (err < 0)
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return err;
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if (dump_sensor)
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po1030_dump_registers(sd);
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err = po1030_set_exposure(&sd->gspca_dev,
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sensor_settings[EXPOSURE_IDX]);
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if (err < 0)
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return err;
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err = po1030_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
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if (err < 0)
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return err;
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err = po1030_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]);
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if (err < 0)
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return err;
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err = po1030_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]);
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if (err < 0)
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return err;
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err = po1030_set_red_balance(&sd->gspca_dev,
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sensor_settings[RED_BALANCE_IDX]);
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if (err < 0)
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return err;
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err = po1030_set_blue_balance(&sd->gspca_dev,
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sensor_settings[BLUE_BALANCE_IDX]);
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if (err < 0)
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return err;
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err = po1030_set_green_balance(&sd->gspca_dev,
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sensor_settings[GREEN_BALANCE_IDX]);
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if (err < 0)
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return err;
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err = po1030_set_auto_white_balance(&sd->gspca_dev,
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sensor_settings[AUTO_WHITE_BALANCE_IDX]);
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if (err < 0)
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return err;
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err = po1030_set_auto_exposure(&sd->gspca_dev,
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sensor_settings[AUTO_EXPOSURE_IDX]);
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return err;
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}
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int po1030_start(struct sd *sd)
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{
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struct cam *cam = &sd->gspca_dev.cam;
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int i, err = 0;
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int width = cam->cam_mode[sd->gspca_dev.curr_mode].width;
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int height = cam->cam_mode[sd->gspca_dev.curr_mode].height;
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int ver_offs = cam->cam_mode[sd->gspca_dev.curr_mode].priv;
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u8 data;
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switch (width) {
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case 320:
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data = PO1030_SUBSAMPLING;
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err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1);
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if (err < 0)
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return err;
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data = ((width + 3) >> 8) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1);
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if (err < 0)
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return err;
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data = (width + 3) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1);
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if (err < 0)
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return err;
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data = ((height + 1) >> 8) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1);
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if (err < 0)
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return err;
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data = (height + 1) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1);
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height += 6;
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width -= 1;
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break;
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case 640:
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data = 0;
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err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1);
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if (err < 0)
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return err;
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data = ((width + 7) >> 8) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1);
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if (err < 0)
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return err;
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data = (width + 7) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1);
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if (err < 0)
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return err;
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data = ((height + 3) >> 8) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1);
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if (err < 0)
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return err;
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data = (height + 3) & 0xff;
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err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1);
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height += 12;
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width -= 2;
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break;
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}
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err = m5602_write_bridge(sd, M5602_XB_SENSOR_TYPE, 0x0c);
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_LINE_OF_FRAME_H, 0x81);
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_PIX_OF_LINE_H, 0x82);
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0x01);
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA,
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((ver_offs >> 8) & 0xff));
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (ver_offs & 0xff));
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if (err < 0)
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return err;
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for (i = 0; i < 2 && !err; i++)
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err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0);
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height >> 8) & 0xff);
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height & 0xff));
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if (err < 0)
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return err;
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for (i = 0; i < 2 && !err; i++)
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err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0);
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for (i = 0; i < 2 && !err; i++)
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err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0);
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for (i = 0; i < 2 && !err; i++)
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err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, 0);
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, (width >> 8) & 0xff);
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, (width & 0xff));
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if (err < 0)
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return err;
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err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0);
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return err;
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}
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static int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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s32 *sensor_settings = sd->sensor_priv;
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*val = sensor_settings[EXPOSURE_IDX];
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PDEBUG(D_V4L2, "Exposure read as %d", *val);
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return 0;
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}
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static int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
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{
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struct sd *sd = (struct sd *) gspca_dev;
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s32 *sensor_settings = sd->sensor_priv;
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u8 i2c_data;
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int err;
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sensor_settings[EXPOSURE_IDX] = val;
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PDEBUG(D_V4L2, "Set exposure to %d", val & 0xffff);
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i2c_data = ((val & 0xff00) >> 8);
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PDEBUG(D_V4L2, "Set exposure to high byte to 0x%x",
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i2c_data);
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err = m5602_write_sensor(sd, PO1030_INTEGLINES_H,
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&i2c_data, 1);
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if (err < 0)
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return err;
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i2c_data = (val & 0xff);
|
|
PDEBUG(D_V4L2, "Set exposure to low byte to 0x%x",
|
|
i2c_data);
|
|
err = m5602_write_sensor(sd, PO1030_INTEGLINES_M,
|
|
&i2c_data, 1);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
*val = sensor_settings[GAIN_IDX];
|
|
PDEBUG(D_V4L2, "Read global gain %d", *val);
|
|
return 0;
|
|
}
|
|
|
|
static int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
sensor_settings[GAIN_IDX] = val;
|
|
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_V4L2, "Set global gain to %d", i2c_data);
|
|
err = m5602_write_sensor(sd, PO1030_GLOBALGAIN,
|
|
&i2c_data, 1);
|
|
return err;
|
|
}
|
|
|
|
static int po1030_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
*val = sensor_settings[HFLIP_IDX];
|
|
PDEBUG(D_V4L2, "Read hflip %d", *val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
sensor_settings[HFLIP_IDX] = val;
|
|
|
|
PDEBUG(D_V4L2, "Set hflip %d", val);
|
|
err = m5602_read_sensor(sd, PO1030_CONTROL2, &i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
i2c_data = (0x7f & i2c_data) | ((val & 0x01) << 7);
|
|
|
|
err = m5602_write_sensor(sd, PO1030_CONTROL2,
|
|
&i2c_data, 1);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
*val = sensor_settings[VFLIP_IDX];
|
|
PDEBUG(D_V4L2, "Read vflip %d", *val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
sensor_settings[VFLIP_IDX] = val;
|
|
|
|
PDEBUG(D_V4L2, "Set vflip %d", val);
|
|
err = m5602_read_sensor(sd, PO1030_CONTROL2, &i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
i2c_data = (i2c_data & 0xbf) | ((val & 0x01) << 6);
|
|
|
|
err = m5602_write_sensor(sd, PO1030_CONTROL2,
|
|
&i2c_data, 1);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
*val = sensor_settings[RED_BALANCE_IDX];
|
|
PDEBUG(D_V4L2, "Read red gain %d", *val);
|
|
return 0;
|
|
}
|
|
|
|
static int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
sensor_settings[RED_BALANCE_IDX] = val;
|
|
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_V4L2, "Set red gain to %d", i2c_data);
|
|
err = m5602_write_sensor(sd, PO1030_RED_GAIN,
|
|
&i2c_data, 1);
|
|
return err;
|
|
}
|
|
|
|
static int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
*val = sensor_settings[BLUE_BALANCE_IDX];
|
|
PDEBUG(D_V4L2, "Read blue gain %d", *val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
sensor_settings[BLUE_BALANCE_IDX] = val;
|
|
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_V4L2, "Set blue gain to %d", i2c_data);
|
|
err = m5602_write_sensor(sd, PO1030_BLUE_GAIN,
|
|
&i2c_data, 1);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int po1030_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
*val = sensor_settings[GREEN_BALANCE_IDX];
|
|
PDEBUG(D_V4L2, "Read green gain %d", *val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int po1030_set_green_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
sensor_settings[GREEN_BALANCE_IDX] = val;
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_V4L2, "Set green gain to %d", i2c_data);
|
|
|
|
err = m5602_write_sensor(sd, PO1030_GREEN_1_GAIN,
|
|
&i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return m5602_write_sensor(sd, PO1030_GREEN_2_GAIN,
|
|
&i2c_data, 1);
|
|
}
|
|
|
|
static int po1030_get_auto_white_balance(struct gspca_dev *gspca_dev,
|
|
__s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
*val = sensor_settings[AUTO_WHITE_BALANCE_IDX];
|
|
PDEBUG(D_V4L2, "Auto white balancing is %d", *val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int po1030_set_auto_white_balance(struct gspca_dev *gspca_dev,
|
|
__s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
sensor_settings[AUTO_WHITE_BALANCE_IDX] = val;
|
|
|
|
err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
PDEBUG(D_V4L2, "Set auto white balance to %d", val);
|
|
i2c_data = (i2c_data & 0xfe) | (val & 0x01);
|
|
err = m5602_write_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1);
|
|
return err;
|
|
}
|
|
|
|
static int po1030_get_auto_exposure(struct gspca_dev *gspca_dev,
|
|
__s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
|
|
*val = sensor_settings[AUTO_EXPOSURE_IDX];
|
|
PDEBUG(D_V4L2, "Auto exposure is %d", *val);
|
|
return 0;
|
|
}
|
|
|
|
static int po1030_set_auto_exposure(struct gspca_dev *gspca_dev,
|
|
__s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
s32 *sensor_settings = sd->sensor_priv;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
sensor_settings[AUTO_EXPOSURE_IDX] = val;
|
|
err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
PDEBUG(D_V4L2, "Set auto exposure to %d", val);
|
|
i2c_data = (i2c_data & 0xfd) | ((val & 0x01) << 1);
|
|
return m5602_write_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1);
|
|
}
|
|
|
|
void po1030_disconnect(struct sd *sd)
|
|
{
|
|
sd->sensor = NULL;
|
|
kfree(sd->sensor_priv);
|
|
}
|
|
|
|
static void po1030_dump_registers(struct sd *sd)
|
|
{
|
|
int address;
|
|
u8 value = 0;
|
|
|
|
info("Dumping the po1030 sensor core registers");
|
|
for (address = 0; address < 0x7f; address++) {
|
|
m5602_read_sensor(sd, address, &value, 1);
|
|
info("register 0x%x contains 0x%x",
|
|
address, value);
|
|
}
|
|
|
|
info("po1030 register state dump complete");
|
|
|
|
info("Probing for which registers that are read/write");
|
|
for (address = 0; address < 0xff; address++) {
|
|
u8 old_value, ctrl_value;
|
|
u8 test_value[2] = {0xff, 0xff};
|
|
|
|
m5602_read_sensor(sd, address, &old_value, 1);
|
|
m5602_write_sensor(sd, address, test_value, 1);
|
|
m5602_read_sensor(sd, address, &ctrl_value, 1);
|
|
|
|
if (ctrl_value == test_value[0])
|
|
info("register 0x%x is writeable", address);
|
|
else
|
|
info("register 0x%x is read only", address);
|
|
|
|
/* Restore original value */
|
|
m5602_write_sensor(sd, address, &old_value, 1);
|
|
}
|
|
}
|