519 lines
12 KiB
C
519 lines
12 KiB
C
/*
|
|
* Driver for the po1030 sensor
|
|
*
|
|
* Copyright (c) 2008 Erik Andrén
|
|
* Copyright (c) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
|
|
* Copyright (c) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
|
|
*
|
|
* Portions of code to USB interface and ALi driver software,
|
|
* Copyright (c) 2006 Willem Duinker
|
|
* v4l2 interface modeled after the V4L2 driver
|
|
* for SN9C10x PC Camera Controllers
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation, version 2.
|
|
*
|
|
*/
|
|
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
|
|
|
#include "m5602_po1030.h"
|
|
|
|
static int po1030_s_ctrl(struct v4l2_ctrl *ctrl);
|
|
static void po1030_dump_registers(struct sd *sd);
|
|
|
|
static struct v4l2_pix_format po1030_modes[] = {
|
|
{
|
|
640,
|
|
480,
|
|
V4L2_PIX_FMT_SBGGR8,
|
|
V4L2_FIELD_NONE,
|
|
.sizeimage = 640 * 480,
|
|
.bytesperline = 640,
|
|
.colorspace = V4L2_COLORSPACE_SRGB,
|
|
.priv = 2
|
|
}
|
|
};
|
|
|
|
static const struct v4l2_ctrl_ops po1030_ctrl_ops = {
|
|
.s_ctrl = po1030_s_ctrl,
|
|
};
|
|
|
|
static const struct v4l2_ctrl_config po1030_greenbal_cfg = {
|
|
.ops = &po1030_ctrl_ops,
|
|
.id = M5602_V4L2_CID_GREEN_BALANCE,
|
|
.name = "Green Balance",
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.min = 0,
|
|
.max = 255,
|
|
.step = 1,
|
|
.def = PO1030_GREEN_GAIN_DEFAULT,
|
|
.flags = V4L2_CTRL_FLAG_SLIDER,
|
|
};
|
|
|
|
int po1030_probe(struct sd *sd)
|
|
{
|
|
u8 dev_id_h = 0, i;
|
|
struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
|
|
|
|
if (force_sensor) {
|
|
if (force_sensor == PO1030_SENSOR) {
|
|
pr_info("Forcing a %s sensor\n", po1030.name);
|
|
goto sensor_found;
|
|
}
|
|
/* If we want to force another sensor, don't try to probe this
|
|
* one */
|
|
return -ENODEV;
|
|
}
|
|
|
|
PDEBUG(D_PROBE, "Probing for a po1030 sensor");
|
|
|
|
/* Run the pre-init to actually probe the unit */
|
|
for (i = 0; i < ARRAY_SIZE(preinit_po1030); i++) {
|
|
u8 data = preinit_po1030[i][2];
|
|
if (preinit_po1030[i][0] == SENSOR)
|
|
m5602_write_sensor(sd,
|
|
preinit_po1030[i][1], &data, 1);
|
|
else
|
|
m5602_write_bridge(sd, preinit_po1030[i][1], data);
|
|
}
|
|
|
|
if (m5602_read_sensor(sd, PO1030_DEVID_H, &dev_id_h, 1))
|
|
return -ENODEV;
|
|
|
|
if (dev_id_h == 0x30) {
|
|
pr_info("Detected a po1030 sensor\n");
|
|
goto sensor_found;
|
|
}
|
|
return -ENODEV;
|
|
|
|
sensor_found:
|
|
sd->gspca_dev.cam.cam_mode = po1030_modes;
|
|
sd->gspca_dev.cam.nmodes = ARRAY_SIZE(po1030_modes);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int po1030_init(struct sd *sd)
|
|
{
|
|
int i, err = 0;
|
|
|
|
/* Init the sensor */
|
|
for (i = 0; i < ARRAY_SIZE(init_po1030) && !err; i++) {
|
|
u8 data[2] = {0x00, 0x00};
|
|
|
|
switch (init_po1030[i][0]) {
|
|
case BRIDGE:
|
|
err = m5602_write_bridge(sd,
|
|
init_po1030[i][1],
|
|
init_po1030[i][2]);
|
|
break;
|
|
|
|
case SENSOR:
|
|
data[0] = init_po1030[i][2];
|
|
err = m5602_write_sensor(sd,
|
|
init_po1030[i][1], data, 1);
|
|
break;
|
|
|
|
default:
|
|
pr_info("Invalid stream command, exiting init\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (dump_sensor)
|
|
po1030_dump_registers(sd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int po1030_init_controls(struct sd *sd)
|
|
{
|
|
struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
|
|
|
|
sd->gspca_dev.vdev.ctrl_handler = hdl;
|
|
v4l2_ctrl_handler_init(hdl, 9);
|
|
|
|
sd->auto_white_bal = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops,
|
|
V4L2_CID_AUTO_WHITE_BALANCE,
|
|
0, 1, 1, 0);
|
|
sd->green_bal = v4l2_ctrl_new_custom(hdl, &po1030_greenbal_cfg, NULL);
|
|
sd->red_bal = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops,
|
|
V4L2_CID_RED_BALANCE, 0, 255, 1,
|
|
PO1030_RED_GAIN_DEFAULT);
|
|
sd->blue_bal = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops,
|
|
V4L2_CID_BLUE_BALANCE, 0, 255, 1,
|
|
PO1030_BLUE_GAIN_DEFAULT);
|
|
|
|
sd->autoexpo = v4l2_ctrl_new_std_menu(hdl, &po1030_ctrl_ops,
|
|
V4L2_CID_EXPOSURE_AUTO, 1, 0, V4L2_EXPOSURE_MANUAL);
|
|
sd->expo = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_EXPOSURE,
|
|
0, 0x2ff, 1, PO1030_EXPOSURE_DEFAULT);
|
|
|
|
sd->gain = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_GAIN, 0,
|
|
0x4f, 1, PO1030_GLOBAL_GAIN_DEFAULT);
|
|
|
|
sd->hflip = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_HFLIP,
|
|
0, 1, 1, 0);
|
|
sd->vflip = v4l2_ctrl_new_std(hdl, &po1030_ctrl_ops, V4L2_CID_VFLIP,
|
|
0, 1, 1, 0);
|
|
|
|
if (hdl->error) {
|
|
pr_err("Could not initialize controls\n");
|
|
return hdl->error;
|
|
}
|
|
|
|
v4l2_ctrl_auto_cluster(4, &sd->auto_white_bal, 0, false);
|
|
v4l2_ctrl_auto_cluster(2, &sd->autoexpo, 0, false);
|
|
v4l2_ctrl_cluster(2, &sd->hflip);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int po1030_start(struct sd *sd)
|
|
{
|
|
struct cam *cam = &sd->gspca_dev.cam;
|
|
int i, err = 0;
|
|
int width = cam->cam_mode[sd->gspca_dev.curr_mode].width;
|
|
int height = cam->cam_mode[sd->gspca_dev.curr_mode].height;
|
|
int ver_offs = cam->cam_mode[sd->gspca_dev.curr_mode].priv;
|
|
u8 data;
|
|
|
|
switch (width) {
|
|
case 320:
|
|
data = PO1030_SUBSAMPLING;
|
|
err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data = ((width + 3) >> 8) & 0xff;
|
|
err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data = (width + 3) & 0xff;
|
|
err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data = ((height + 1) >> 8) & 0xff;
|
|
err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data = (height + 1) & 0xff;
|
|
err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1);
|
|
|
|
height += 6;
|
|
width -= 1;
|
|
break;
|
|
|
|
case 640:
|
|
data = 0;
|
|
err = m5602_write_sensor(sd, PO1030_CONTROL3, &data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data = ((width + 7) >> 8) & 0xff;
|
|
err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_H, &data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data = (width + 7) & 0xff;
|
|
err = m5602_write_sensor(sd, PO1030_WINDOWWIDTH_L, &data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data = ((height + 3) >> 8) & 0xff;
|
|
err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_H, &data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data = (height + 3) & 0xff;
|
|
err = m5602_write_sensor(sd, PO1030_WINDOWHEIGHT_L, &data, 1);
|
|
|
|
height += 12;
|
|
width -= 2;
|
|
break;
|
|
}
|
|
err = m5602_write_bridge(sd, M5602_XB_SENSOR_TYPE, 0x0c);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_LINE_OF_FRAME_H, 0x81);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_PIX_OF_LINE_H, 0x82);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0x01);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA,
|
|
((ver_offs >> 8) & 0xff));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (ver_offs & 0xff));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
for (i = 0; i < 2 && !err; i++)
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height >> 8) & 0xff);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, (height & 0xff));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
for (i = 0; i < 2 && !err; i++)
|
|
err = m5602_write_bridge(sd, M5602_XB_VSYNC_PARA, 0);
|
|
|
|
for (i = 0; i < 2 && !err; i++)
|
|
err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0);
|
|
|
|
for (i = 0; i < 2 && !err; i++)
|
|
err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, 0);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, (width >> 8) & 0xff);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_HSYNC_PARA, (width & 0xff));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_SIG_INI, 0);
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
PDEBUG(D_CONF, "Set exposure to %d", val & 0xffff);
|
|
|
|
i2c_data = ((val & 0xff00) >> 8);
|
|
PDEBUG(D_CONF, "Set exposure to high byte to 0x%x",
|
|
i2c_data);
|
|
|
|
err = m5602_write_sensor(sd, PO1030_INTEGLINES_H,
|
|
&i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
i2c_data = (val & 0xff);
|
|
PDEBUG(D_CONF, "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_set_gain(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_CONF, "Set global gain to %d", i2c_data);
|
|
err = m5602_write_sensor(sd, PO1030_GLOBALGAIN,
|
|
&i2c_data, 1);
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_hvflip(struct gspca_dev *gspca_dev)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
PDEBUG(D_CONF, "Set hvflip %d %d", sd->hflip->val, sd->vflip->val);
|
|
err = m5602_read_sensor(sd, PO1030_CONTROL2, &i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
i2c_data = (0x3f & i2c_data) | (sd->hflip->val << 7) |
|
|
(sd->vflip->val << 6);
|
|
|
|
err = m5602_write_sensor(sd, PO1030_CONTROL2,
|
|
&i2c_data, 1);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_CONF, "Set red gain to %d", i2c_data);
|
|
err = m5602_write_sensor(sd, PO1030_RED_GAIN,
|
|
&i2c_data, 1);
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_CONF, "Set blue gain to %d", i2c_data);
|
|
err = m5602_write_sensor(sd, PO1030_BLUE_GAIN,
|
|
&i2c_data, 1);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int po1030_set_green_balance(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
i2c_data = val & 0xff;
|
|
PDEBUG(D_CONF, "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_set_auto_white_balance(struct gspca_dev *gspca_dev,
|
|
__s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
PDEBUG(D_CONF, "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_set_auto_exposure(struct gspca_dev *gspca_dev,
|
|
__s32 val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
u8 i2c_data;
|
|
int err;
|
|
|
|
err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
PDEBUG(D_CONF, "Set auto exposure to %d", val);
|
|
val = (val == V4L2_EXPOSURE_AUTO);
|
|
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;
|
|
}
|
|
|
|
static int po1030_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct gspca_dev *gspca_dev =
|
|
container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
int err;
|
|
|
|
if (!gspca_dev->streaming)
|
|
return 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_AUTO_WHITE_BALANCE:
|
|
err = po1030_set_auto_white_balance(gspca_dev, ctrl->val);
|
|
if (err || ctrl->val)
|
|
return err;
|
|
err = po1030_set_green_balance(gspca_dev, sd->green_bal->val);
|
|
if (err)
|
|
return err;
|
|
err = po1030_set_red_balance(gspca_dev, sd->red_bal->val);
|
|
if (err)
|
|
return err;
|
|
err = po1030_set_blue_balance(gspca_dev, sd->blue_bal->val);
|
|
break;
|
|
case V4L2_CID_EXPOSURE_AUTO:
|
|
err = po1030_set_auto_exposure(gspca_dev, ctrl->val);
|
|
if (err || ctrl->val == V4L2_EXPOSURE_AUTO)
|
|
return err;
|
|
err = po1030_set_exposure(gspca_dev, sd->expo->val);
|
|
break;
|
|
case V4L2_CID_GAIN:
|
|
err = po1030_set_gain(gspca_dev, ctrl->val);
|
|
break;
|
|
case V4L2_CID_HFLIP:
|
|
err = po1030_set_hvflip(gspca_dev);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
static void po1030_dump_registers(struct sd *sd)
|
|
{
|
|
int address;
|
|
u8 value = 0;
|
|
|
|
pr_info("Dumping the po1030 sensor core registers\n");
|
|
for (address = 0; address < 0x7f; address++) {
|
|
m5602_read_sensor(sd, address, &value, 1);
|
|
pr_info("register 0x%x contains 0x%x\n", address, value);
|
|
}
|
|
|
|
pr_info("po1030 register state dump complete\n");
|
|
|
|
pr_info("Probing for which registers that are read/write\n");
|
|
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])
|
|
pr_info("register 0x%x is writeable\n", address);
|
|
else
|
|
pr_info("register 0x%x is read only\n", address);
|
|
|
|
/* Restore original value */
|
|
m5602_write_sensor(sd, address, &old_value, 1);
|
|
}
|
|
}
|