ffbc5f8814
anysee.c:44:5: warning: symbol 'dvb_usb_anysee_delsys' was not declared. Should it be static? cx24116.c:378:3: warning: symbol 'CX24116_MODFEC_MODES' was not declared. Should it be static? stb0899_algo.c:57:5: warning: symbol 'stb0899_get_srate' was not declared. Should it be static? stb0899_algo.c:766:6: warning: symbol 'Log2Int' was not declared. Should it be static? stb0899_drv.c:137:20: warning: symbol 'stb0899_quant_tab' was not declared. Should it be static? stb0899_drv.c:180:20: warning: symbol 'stb0899_est_tab' was not declared. Should it be static? stb0899_drv.c:220:5: warning: symbol '_stb0899_read_reg' was not declared. Should it be static? budget-ci.c:1348:23: warning: symbol 'tt3200_stb6100_config' was not declared. Should it be static? /home/v4l/master/v4l/cx25840-core.c:190:6: warning: symbol 'cx25840_work_handler' was not declared. Should it be static? /home/v4l/master/v4l/m5602_s5k83a.c:116:6: warning: symbol 's5k83a_dump_registers' was not declared. Should it be static? Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
354 lines
7.7 KiB
C
354 lines
7.7 KiB
C
/*
|
|
* Driver for the s5k83a 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.
|
|
*
|
|
*/
|
|
|
|
#include "m5602_s5k83a.h"
|
|
|
|
static void s5k83a_dump_registers(struct sd *sd);
|
|
|
|
int s5k83a_probe(struct sd *sd)
|
|
{
|
|
u8 prod_id = 0, ver_id = 0;
|
|
int i, err = 0;
|
|
|
|
if (force_sensor) {
|
|
if (force_sensor == S5K83A_SENSOR) {
|
|
info("Forcing a %s sensor", s5k83a.name);
|
|
goto sensor_found;
|
|
}
|
|
/* If we want to force another sensor, don't try to probe this
|
|
* one */
|
|
return -ENODEV;
|
|
}
|
|
|
|
info("Probing for a s5k83a sensor");
|
|
|
|
/* Preinit the sensor */
|
|
for (i = 0; i < ARRAY_SIZE(preinit_s5k83a) && !err; i++) {
|
|
u8 data[2] = {preinit_s5k83a[i][2], preinit_s5k83a[i][3]};
|
|
if (preinit_s5k83a[i][0] == SENSOR)
|
|
err = m5602_write_sensor(sd, preinit_s5k83a[i][1],
|
|
data, 2);
|
|
else
|
|
err = m5602_write_bridge(sd, preinit_s5k83a[i][1],
|
|
data[0]);
|
|
}
|
|
|
|
/* We don't know what register (if any) that contain the product id
|
|
* Just pick the first addresses that seem to produce the same results
|
|
* on multiple machines */
|
|
if (m5602_read_sensor(sd, 0x00, &prod_id, 1))
|
|
return -ENODEV;
|
|
|
|
if (m5602_read_sensor(sd, 0x01, &ver_id, 1))
|
|
return -ENODEV;
|
|
|
|
if ((prod_id == 0xff) || (ver_id == 0xff))
|
|
return -ENODEV;
|
|
else
|
|
info("Detected a s5k83a sensor");
|
|
|
|
sensor_found:
|
|
sd->gspca_dev.cam.cam_mode = s5k83a.modes;
|
|
sd->gspca_dev.cam.nmodes = s5k83a.nmodes;
|
|
sd->desc->ctrls = s5k83a.ctrls;
|
|
sd->desc->nctrls = s5k83a.nctrls;
|
|
return 0;
|
|
}
|
|
|
|
int s5k83a_init(struct sd *sd)
|
|
{
|
|
int i, err = 0;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(init_s5k83a) && !err; i++) {
|
|
u8 data[2] = {0x00, 0x00};
|
|
|
|
switch (init_s5k83a[i][0]) {
|
|
case BRIDGE:
|
|
err = m5602_write_bridge(sd,
|
|
init_s5k83a[i][1],
|
|
init_s5k83a[i][2]);
|
|
break;
|
|
|
|
case SENSOR:
|
|
data[0] = init_s5k83a[i][2];
|
|
err = m5602_write_sensor(sd,
|
|
init_s5k83a[i][1], data, 1);
|
|
break;
|
|
|
|
case SENSOR_LONG:
|
|
data[0] = init_s5k83a[i][2];
|
|
data[1] = init_s5k83a[i][3];
|
|
err = m5602_write_sensor(sd,
|
|
init_s5k83a[i][1], data, 2);
|
|
break;
|
|
default:
|
|
info("Invalid stream command, exiting init");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (dump_sensor)
|
|
s5k83a_dump_registers(sd);
|
|
|
|
return (err < 0) ? err : 0;
|
|
}
|
|
|
|
int s5k83a_power_down(struct sd *sd)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void s5k83a_dump_registers(struct sd *sd)
|
|
{
|
|
int address;
|
|
u8 page, old_page;
|
|
m5602_read_sensor(sd, S5K83A_PAGE_MAP, &old_page, 1);
|
|
|
|
for (page = 0; page < 16; page++) {
|
|
m5602_write_sensor(sd, S5K83A_PAGE_MAP, &page, 1);
|
|
info("Dumping the s5k83a register state for page 0x%x", page);
|
|
for (address = 0; address <= 0xff; address++) {
|
|
u8 val = 0;
|
|
m5602_read_sensor(sd, address, &val, 1);
|
|
info("register 0x%x contains 0x%x",
|
|
address, val);
|
|
}
|
|
}
|
|
info("s5k83a register state dump complete");
|
|
|
|
for (page = 0; page < 16; page++) {
|
|
m5602_write_sensor(sd, S5K83A_PAGE_MAP, &page, 1);
|
|
info("Probing for which registers that are read/write "
|
|
"for page 0x%x", page);
|
|
for (address = 0; address <= 0xff; address++) {
|
|
u8 old_val, ctrl_val, test_val = 0xff;
|
|
|
|
m5602_read_sensor(sd, address, &old_val, 1);
|
|
m5602_write_sensor(sd, address, &test_val, 1);
|
|
m5602_read_sensor(sd, address, &ctrl_val, 1);
|
|
|
|
if (ctrl_val == test_val)
|
|
info("register 0x%x is writeable", address);
|
|
else
|
|
info("register 0x%x is read only", address);
|
|
|
|
/* Restore original val */
|
|
m5602_write_sensor(sd, address, &old_val, 1);
|
|
}
|
|
}
|
|
info("Read/write register probing complete");
|
|
m5602_write_sensor(sd, S5K83A_PAGE_MAP, &old_page, 1);
|
|
}
|
|
|
|
int s5k83a_get_brightness(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
int err;
|
|
u8 data[2];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
err = m5602_read_sensor(sd, S5K83A_BRIGHTNESS, data, 2);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
data[1] = data[1] << 1;
|
|
*val = data[1];
|
|
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
int s5k83a_set_brightness(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 data[2];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
data[0] = 0x00;
|
|
data[1] = 0x20;
|
|
err = m5602_write_sensor(sd, 0x14, data, 2);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
data[0] = 0x01;
|
|
data[1] = 0x00;
|
|
err = m5602_write_sensor(sd, 0x0d, data, 2);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
/* FIXME: This is not sane, we need to figure out the composition
|
|
of these registers */
|
|
data[0] = val >> 3; /* brightness, high 5 bits */
|
|
data[1] = val >> 1; /* brightness, high 7 bits */
|
|
err = m5602_write_sensor(sd, S5K83A_BRIGHTNESS, data, 2);
|
|
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
int s5k83a_get_whiteness(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
int err;
|
|
u8 data;
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
err = m5602_read_sensor(sd, S5K83A_WHITENESS, &data, 1);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
*val = data;
|
|
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
int s5k83a_set_whiteness(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 data[1];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
data[0] = val;
|
|
err = m5602_write_sensor(sd, S5K83A_WHITENESS, data, 1);
|
|
|
|
return err;
|
|
}
|
|
|
|
int s5k83a_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
int err;
|
|
u8 data[2];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
err = m5602_read_sensor(sd, S5K83A_GAIN, data, 2);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
data[1] = data[1] & 0x3f;
|
|
if (data[1] > S5K83A_MAXIMUM_GAIN)
|
|
data[1] = S5K83A_MAXIMUM_GAIN;
|
|
|
|
*val = data[1];
|
|
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
int s5k83a_set_gain(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 data[2];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
data[0] = 0;
|
|
data[1] = val;
|
|
err = m5602_write_sensor(sd, S5K83A_GAIN, data, 2);
|
|
return err;
|
|
}
|
|
|
|
int s5k83a_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
int err;
|
|
u8 data[1];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
data[0] = 0x05;
|
|
err = m5602_write_sensor(sd, S5K83A_PAGE_MAP, data, 1);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
err = m5602_read_sensor(sd, S5K83A_FLIP, data, 1);
|
|
*val = (data[0] | 0x40) ? 1 : 0;
|
|
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
int s5k83a_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 data[1];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
data[0] = 0x05;
|
|
err = m5602_write_sensor(sd, S5K83A_PAGE_MAP, data, 1);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
err = m5602_read_sensor(sd, S5K83A_FLIP, data, 1);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
/* set or zero six bit, seven is hflip */
|
|
data[0] = (val) ? (data[0] & 0x80) | 0x40 | S5K83A_FLIP_MASK
|
|
: (data[0] & 0x80) | S5K83A_FLIP_MASK;
|
|
err = m5602_write_sensor(sd, S5K83A_FLIP, data, 1);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
data[0] = (val) ? 0x0b : 0x0a;
|
|
err = m5602_write_sensor(sd, S5K83A_VFLIP_TUNE, data, 1);
|
|
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
int s5k83a_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
int err;
|
|
u8 data[1];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
data[0] = 0x05;
|
|
err = m5602_write_sensor(sd, S5K83A_PAGE_MAP, data, 1);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
err = m5602_read_sensor(sd, S5K83A_FLIP, data, 1);
|
|
*val = (data[0] | 0x80) ? 1 : 0;
|
|
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
int s5k83a_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 data[1];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
data[0] = 0x05;
|
|
err = m5602_write_sensor(sd, S5K83A_PAGE_MAP, data, 1);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
err = m5602_read_sensor(sd, S5K83A_FLIP, data, 1);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
/* set or zero seven bit, six is vflip */
|
|
data[0] = (val) ? (data[0] & 0x40) | 0x80 | S5K83A_FLIP_MASK
|
|
: (data[0] & 0x40) | S5K83A_FLIP_MASK;
|
|
err = m5602_write_sensor(sd, S5K83A_FLIP, data, 1);
|
|
if (err < 0)
|
|
goto out;
|
|
|
|
data[0] = (val) ? 0x0a : 0x0b;
|
|
err = m5602_write_sensor(sd, S5K83A_HFLIP_TUNE, data, 1);
|
|
out:
|
|
return err;
|
|
}
|