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提交 05d7d9ce 编写于 作者: E Erik Andr?n 提交者： Mauro Carvalho Chehab
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V4L/DVB (11452): gspca - m5602-po1030: Convert to have a v4l2 ctrl cache 

Let the po1030 have a local v4l2 ctrl cache as this minimizes the load on reading the registers and improves performance.
Signed-off-by: NErik Andr?n <erik.andren@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 ac3d5bfe
隐藏空白更改
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Showing with 79 addition and 63 deletion
drivers/media/video/gspca/m5602/m5602_po1030.c
浏览文件 @ 05d7d9ce
...@@ -32,6 +32,7 @@ static struct v4l2_pix_format po1030_modes[] = { ...@@ -32,6 +32,7 @@ static struct v4l2_pix_format po1030_modes[] = {
}; };
const static struct ctrl po1030_ctrls[] = { const static struct ctrl po1030_ctrls[] = {
#define GAIN_IDX 0
{ {
{ {
.id = V4L2_CID_GAIN, .id = V4L2_CID_GAIN,
...@@ -45,7 +46,9 @@ const static struct ctrl po1030_ctrls[] = { ...@@ -45,7 +46,9 @@ const static struct ctrl po1030_ctrls[] = {
}, },
.set = po1030_set_gain, .set = po1030_set_gain,
.get = po1030_get_gain .get = po1030_get_gain
}, { },
#define EXPOSURE_IDX 1
{
{ {
.id = V4L2_CID_EXPOSURE, .id = V4L2_CID_EXPOSURE,
.type = V4L2_CTRL_TYPE_INTEGER, .type = V4L2_CTRL_TYPE_INTEGER,
...@@ -58,7 +61,9 @@ const static struct ctrl po1030_ctrls[] = { ...@@ -58,7 +61,9 @@ const static struct ctrl po1030_ctrls[] = {
}, },
.set = po1030_set_exposure, .set = po1030_set_exposure,
.get = po1030_get_exposure .get = po1030_get_exposure
}, { },
#define RED_BALANCE_IDX 2
{
{ {
.id = V4L2_CID_RED_BALANCE, .id = V4L2_CID_RED_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER, .type = V4L2_CTRL_TYPE_INTEGER,
...@@ -71,7 +76,9 @@ const static struct ctrl po1030_ctrls[] = { ...@@ -71,7 +76,9 @@ const static struct ctrl po1030_ctrls[] = {
}, },
.set = po1030_set_red_balance, .set = po1030_set_red_balance,
.get = po1030_get_red_balance .get = po1030_get_red_balance
}, { },
#define BLUE_BALANCE_IDX 3
{
{ {
.id = V4L2_CID_BLUE_BALANCE, .id = V4L2_CID_BLUE_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER, .type = V4L2_CTRL_TYPE_INTEGER,
...@@ -84,7 +91,9 @@ const static struct ctrl po1030_ctrls[] = { ...@@ -84,7 +91,9 @@ const static struct ctrl po1030_ctrls[] = {
}, },
.set = po1030_set_blue_balance, .set = po1030_set_blue_balance,
.get = po1030_get_blue_balance .get = po1030_get_blue_balance
}, { },
#define HFLIP_IDX 4
{
{ {
.id = V4L2_CID_HFLIP, .id = V4L2_CID_HFLIP,
.type = V4L2_CTRL_TYPE_BOOLEAN, .type = V4L2_CTRL_TYPE_BOOLEAN,
...@@ -96,7 +105,9 @@ const static struct ctrl po1030_ctrls[] = { ...@@ -96,7 +105,9 @@ const static struct ctrl po1030_ctrls[] = {
}, },
.set = po1030_set_hflip, .set = po1030_set_hflip,
.get = po1030_get_hflip .get = po1030_get_hflip
}, { },
#define VFLIP_IDX 5
{
{ {
.id = V4L2_CID_VFLIP, .id = V4L2_CID_VFLIP,
.type = V4L2_CTRL_TYPE_BOOLEAN, .type = V4L2_CTRL_TYPE_BOOLEAN,
...@@ -116,6 +127,7 @@ static void po1030_dump_registers(struct sd *sd); ...@@ -116,6 +127,7 @@ static void po1030_dump_registers(struct sd *sd);
int po1030_probe(struct sd *sd) int po1030_probe(struct sd *sd)
{ {
u8 prod_id = 0, ver_id = 0, i; u8 prod_id = 0, ver_id = 0, i;
s32 *sensor_settings = sd->sensor_priv;
if (force_sensor) { if (force_sensor) {
if (force_sensor == PO1030_SENSOR) { if (force_sensor == PO1030_SENSOR) {
...@@ -152,10 +164,19 @@ int po1030_probe(struct sd *sd) ...@@ -152,10 +164,19 @@ int po1030_probe(struct sd *sd)
return -ENODEV; return -ENODEV;
sensor_found: sensor_found:
sensor_settings = kmalloc(
ARRAY_SIZE(po1030_ctrls) * sizeof(s32), GFP_KERNEL);
if (!sensor_settings)
return -ENOMEM;
sd->gspca_dev.cam.cam_mode = po1030_modes; sd->gspca_dev.cam.cam_mode = po1030_modes;
sd->gspca_dev.cam.nmodes = ARRAY_SIZE(po1030_modes); sd->gspca_dev.cam.nmodes = ARRAY_SIZE(po1030_modes);
sd->desc->ctrls = po1030_ctrls; sd->desc->ctrls = po1030_ctrls;
sd->desc->nctrls = ARRAY_SIZE(po1030_ctrls); sd->desc->nctrls = ARRAY_SIZE(po1030_ctrls);
for (i = 0; i < ARRAY_SIZE(po1030_ctrls); i++)
sensor_settings[i] = po1030_ctrls[i].qctrl.default_value;
sd->sensor_priv = sensor_settings;
return 0; return 0;
} }
...@@ -195,30 +216,21 @@ int po1030_init(struct sd *sd) ...@@ -195,30 +216,21 @@ int po1030_init(struct sd *sd)
int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val) int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
u8 i2c_data; s32 *sensor_settings = sd->sensor_priv;
int err;
err = m5602_read_sensor(sd, PO1030_REG_INTEGLINES_H,
&i2c_data, 1);
if (err < 0)
return err;
*val = (i2c_data << 8);
err = m5602_read_sensor(sd, PO1030_REG_INTEGLINES_M,
&i2c_data, 1);
*val |= i2c_data;
*val = sensor_settings[EXPOSURE_IDX];
PDEBUG(D_V4L2, "Exposure read as %d", *val); PDEBUG(D_V4L2, "Exposure read as %d", *val);
return 0;
return err;
} }
int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val) int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
u8 i2c_data; u8 i2c_data;
int err; int err;
sensor_settings[EXPOSURE_IDX] = val;
PDEBUG(D_V4L2, "Set exposure to %d", val & 0xffff); PDEBUG(D_V4L2, "Set exposure to %d", val & 0xffff);
i2c_data = ((val & 0xff00) >> 8); i2c_data = ((val & 0xff00) >> 8);
...@@ -242,39 +254,49 @@ int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val) ...@@ -242,39 +254,49 @@ int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val) int po1030_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
u8 i2c_data; s32 *sensor_settings = sd->sensor_priv;
int err;
err = m5602_read_sensor(sd, PO1030_REG_GLOBALGAIN, *val = sensor_settings[GAIN_IDX];
&i2c_data, 1);
*val = i2c_data;
PDEBUG(D_V4L2, "Read global gain %d", *val); PDEBUG(D_V4L2, "Read global gain %d", *val);
return 0;
return err;
} }
int po1030_get_hflip(struct gspca_dev *gspca_dev, __s32 *val) int po1030_set_gain(struct gspca_dev *gspca_dev, __s32 val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
u8 i2c_data; u8 i2c_data;
int err; int err;
err = m5602_read_sensor(sd, PO1030_REG_CONTROL2, 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_REG_GLOBALGAIN,
&i2c_data, 1); &i2c_data, 1);
return err;
}
*val = (i2c_data >> 7) & 0x01 ; 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); PDEBUG(D_V4L2, "Read hflip %d", *val);
return err; return 0;
} }
int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val) int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
u8 i2c_data; u8 i2c_data;
int err; int err;
sensor_settings[HFLIP_IDX] = val;
PDEBUG(D_V4L2, "Set hflip %d", val); PDEBUG(D_V4L2, "Set hflip %d", val);
err = m5602_read_sensor(sd, PO1030_REG_CONTROL2, &i2c_data, 1); err = m5602_read_sensor(sd, PO1030_REG_CONTROL2, &i2c_data, 1);
if (err < 0) if (err < 0)
...@@ -291,25 +313,23 @@ int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val) ...@@ -291,25 +313,23 @@ int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val) int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
u8 i2c_data; s32 *sensor_settings = sd->sensor_priv;
int err;
err = m5602_read_sensor(sd, PO1030_REG_GLOBALGAIN,
&i2c_data, 1);
*val = (i2c_data >> 6) & 0x01;
*val= sensor_settings[VFLIP_IDX];
PDEBUG(D_V4L2, "Read vflip %d", *val); PDEBUG(D_V4L2, "Read vflip %d", *val);
return err; return 0;
} }
int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val) int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
u8 i2c_data; u8 i2c_data;
int err; int err;
sensor_settings[VFLIP_IDX] = val;
PDEBUG(D_V4L2, "Set vflip %d", val); PDEBUG(D_V4L2, "Set vflip %d", val);
err = m5602_read_sensor(sd, PO1030_REG_CONTROL2, &i2c_data, 1); err = m5602_read_sensor(sd, PO1030_REG_CONTROL2, &i2c_data, 1);
if (err < 0) if (err < 0)
...@@ -323,38 +343,25 @@ int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val) ...@@ -323,38 +343,25 @@ int po1030_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
return err; return err;
} }
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_V4L2, "Set global gain to %d", i2c_data);
err = m5602_write_sensor(sd, PO1030_REG_GLOBALGAIN,
&i2c_data, 1);
return err;
}
int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val) int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
u8 i2c_data; s32 *sensor_settings = sd->sensor_priv;
int err;
err = m5602_read_sensor(sd, PO1030_REG_RED_GAIN, *val = sensor_settings[RED_BALANCE_IDX];
&i2c_data, 1);
*val = i2c_data;
PDEBUG(D_V4L2, "Read red gain %d", *val); PDEBUG(D_V4L2, "Read red gain %d", *val);
return err; return 0;
} }
int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
u8 i2c_data; u8 i2c_data;
int err; int err;
sensor_settings[RED_BALANCE_IDX] = val;
i2c_data = val & 0xff; i2c_data = val & 0xff;
PDEBUG(D_V4L2, "Set red gain to %d", i2c_data); PDEBUG(D_V4L2, "Set red gain to %d", i2c_data);
err = m5602_write_sensor(sd, PO1030_REG_RED_GAIN, err = m5602_write_sensor(sd, PO1030_REG_RED_GAIN,
...@@ -365,22 +372,23 @@ int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val) ...@@ -365,22 +372,23 @@ int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val) int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
u8 i2c_data; s32 *sensor_settings = sd->sensor_priv;
int err;
err = m5602_read_sensor(sd, PO1030_REG_BLUE_GAIN, *val = sensor_settings[BLUE_BALANCE_IDX];
&i2c_data, 1);
*val = i2c_data;
PDEBUG(D_V4L2, "Read blue gain %d", *val); PDEBUG(D_V4L2, "Read blue gain %d", *val);
return err; return 0;
} }
int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
{ {
struct sd *sd = (struct sd *) gspca_dev; struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
u8 i2c_data; u8 i2c_data;
int err; int err;
sensor_settings[BLUE_BALANCE_IDX] = val;
i2c_data = val & 0xff; i2c_data = val & 0xff;
PDEBUG(D_V4L2, "Set blue gain to %d", i2c_data); PDEBUG(D_V4L2, "Set blue gain to %d", i2c_data);
err = m5602_write_sensor(sd, PO1030_REG_BLUE_GAIN, err = m5602_write_sensor(sd, PO1030_REG_BLUE_GAIN,
...@@ -394,6 +402,12 @@ int po1030_power_down(struct sd *sd) ...@@ -394,6 +402,12 @@ int po1030_power_down(struct sd *sd)
return 0; return 0;
} }
void po1030_disconnect(struct sd *sd)
{
sd->sensor = NULL;
kfree(sd->sensor_priv);
}
static void po1030_dump_registers(struct sd *sd) static void po1030_dump_registers(struct sd *sd)
{ {
int address; int address;
......
drivers/media/video/gspca/m5602/m5602_po1030.h
浏览文件 @ 05d7d9ce
...@@ -127,6 +127,7 @@ extern int dump_sensor; ...@@ -127,6 +127,7 @@ extern int dump_sensor;
int po1030_probe(struct sd *sd); int po1030_probe(struct sd *sd);
int po1030_init(struct sd *sd); int po1030_init(struct sd *sd);
int po1030_power_down(struct sd *sd); int po1030_power_down(struct sd *sd);
void po1030_disconnect(struct sd *sd);
int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val); int po1030_get_exposure(struct gspca_dev *gspca_dev, __s32 *val);
int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val); int po1030_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
...@@ -150,6 +151,7 @@ static const struct m5602_sensor po1030 = { ...@@ -150,6 +151,7 @@ static const struct m5602_sensor po1030 = {
.probe = po1030_probe, .probe = po1030_probe,
.init = po1030_init, .init = po1030_init,
.power_down = po1030_power_down, .power_down = po1030_power_down,
.disconnect = po1030_disconnect,
}; };
static const unsigned char preinit_po1030[][3] = static const unsigned char preinit_po1030[][3] =
......
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