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V4L/DVB (11450): gspca - m5602-mt9m111: Convert the mt9m111 to use a v4l2 ctrl cache 

Signed-off-by: Erik Andr?n <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Erik Andr?n 2009-01-04 16:52:48 -03:00 committed by Mauro Carvalho Chehab
parent 881cd41882
commit 04f15655f6
2 changed files with 43 additions and 26 deletions
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65
drivers/media/video/gspca/m5602/m5602_mt9m111.c
View File

@ -32,6 +32,7 @@ static struct v4l2_pix_format mt9m111_modes[] = {
};
const static struct ctrl mt9m111_ctrls[] = {
#define VFLIP_IDX 0
{
{
.id = V4L2_CID_VFLIP,
@ -44,7 +45,9 @@ const static struct ctrl mt9m111_ctrls[] = {
},
.set = mt9m111_set_vflip,
.get = mt9m111_get_vflip
}, {
},
#define HFLIP_IDX 1
{
{
.id = V4L2_CID_HFLIP,
.type = V4L2_CTRL_TYPE_BOOLEAN,
@ -56,7 +59,9 @@ const static struct ctrl mt9m111_ctrls[] = {
},
.set = mt9m111_set_hflip,
.get = mt9m111_get_hflip
}, {
},
#define GAIN_IDX 2
{
{
.id = V4L2_CID_GAIN,
.type = V4L2_CTRL_TYPE_INTEGER,
@ -79,6 +84,7 @@ int mt9m111_probe(struct sd *sd)
{
u8 data[2] = {0x00, 0x00};
int i;
s32 *sensor_settings;
if (force_sensor) {
if (force_sensor == MT9M111_SENSOR) {
@ -117,10 +123,19 @@ int mt9m111_probe(struct sd *sd)
return -ENODEV;
sensor_found:
sensor_settings = kmalloc(ARRAY_SIZE(mt9m111_ctrls) * sizeof(s32), GFP_KERNEL);
if (!sensor_settings)
return -ENOMEM;
sd->gspca_dev.cam.cam_mode = mt9m111_modes;
sd->gspca_dev.cam.nmodes = ARRAY_SIZE(mt9m111_modes);
sd->desc->ctrls = mt9m111_ctrls;
sd->desc->nctrls = ARRAY_SIZE(mt9m111_ctrls);
for (i = 0; i < ARRAY_SIZE(mt9m111_ctrls); i++)
sensor_settings[i] = mt9m111_ctrls[i].qctrl.default_value;
sd->sensor_priv = sensor_settings;
return 0;
}
@ -155,18 +170,21 @@ int mt9m111_power_down(struct sd *sd)
return 0;
}
void mt9m111_disconnect(struct sd *sd)
{
sd->sensor = NULL;
kfree(sd->sensor_priv);
}
int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
{
int err;
u8 data[2] = {0x00, 0x00};
struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
err = m5602_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B,
data, 2);
*val = data[0] & MT9M111_RMB_MIRROR_ROWS;
*val = sensor_settings[VFLIP_IDX];
PDEBUG(D_V4L2, "Read vertical flip %d", *val);
return err;
return 0;
}
int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
@ -174,9 +192,12 @@ int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
int err;
u8 data[2] = {0x00, 0x00};
struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
PDEBUG(D_V4L2, "Set vertical flip to %d", val);
sensor_settings[VFLIP_IDX] = val;
/* Set the correct page map */
err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
if (err < 0)
@ -194,16 +215,13 @@ int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
int mt9m111_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
{
int err;
u8 data[2] = {0x00, 0x00};
struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
err = m5602_read_sensor(sd, MT9M111_SC_R_MODE_CONTEXT_B,
data, 2);
*val = data[0] & MT9M111_RMB_MIRROR_COLS;
*val = sensor_settings[HFLIP_IDX];
PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
return err;
return 0;
}
int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
@ -211,9 +229,11 @@ int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
int err;
u8 data[2] = {0x00, 0x00};
struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
PDEBUG(D_V4L2, "Set horizontal flip to %d", val);
sensor_settings[HFLIP_IDX] = val;
/* Set the correct page map */
err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);
if (err < 0)
@ -231,21 +251,13 @@ int mt9m111_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
int mt9m111_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
{
int err, tmp;
u8 data[2] = {0x00, 0x00};
struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
err = m5602_read_sensor(sd, MT9M111_SC_GLOBAL_GAIN, data, 2);
tmp = ((data[1] << 8) | data[0]);
*val = ((tmp & (1 << 10)) * 2) |
((tmp & (1 << 9)) * 2) |
((tmp & (1 << 8)) * 2) |
(tmp & 0x7f);
*val = sensor_settings[GAIN_IDX];
PDEBUG(D_V4L2, "Read gain %d", *val);
return err;
return 0;
}
int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val)
@ -253,6 +265,9 @@ int mt9m111_set_gain(struct gspca_dev *gspca_dev, __s32 val)
int err, tmp;
u8 data[2] = {0x00, 0x00};
struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
sensor_settings[GAIN_IDX] = val;
/* Set the correct page map */
err = m5602_write_sensor(sd, MT9M111_PAGE_MAP, data, 2);

4
drivers/media/video/gspca/m5602/m5602_mt9m111.h
View File

@ -86,6 +86,7 @@ extern int dump_sensor;
int mt9m111_probe(struct sd *sd);
int mt9m111_init(struct sd *sd);
int mt9m111_power_down(struct sd *sd);
void mt9m111_disconnect(struct sd *sd);
int mt9m111_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
int mt9m111_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
@ -102,7 +103,8 @@ const static struct m5602_sensor mt9m111 = {
.probe = mt9m111_probe,
.init = mt9m111_init,
.power_down = mt9m111_power_down
.power_down = mt9m111_power_down,
.disconnect = mt9m111_disconnect,
};
static const unsigned char preinit_mt9m111[][4] =