From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Cc: Sylwester Nawrocki <sylvester.nawrocki@xxxxxxxxx>
---
drivers/media/i2c/sr030pc30.c | 276 +++++++++++++----------------------------
1 file changed, 88 insertions(+), 188 deletions(-)
diff --git a/drivers/media/i2c/sr030pc30.c b/drivers/media/i2c/sr030pc30.c
index 4c5a9ee..ae94326 100644
--- a/drivers/media/i2c/sr030pc30.c
+++ b/drivers/media/i2c/sr030pc30.c
@@ -23,6 +23,7 @@
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
#include <media/v4l2-mediabus.h>
+#include <media/v4l2-ctrls.h>
#include <media/sr030pc30.h>
static int debug;
@@ -142,17 +143,24 @@ module_param(debug, int, 0644);
struct sr030pc30_info {
struct v4l2_subdev sd;
+ struct v4l2_ctrl_handler hdl;
const struct sr030pc30_platform_data *pdata;
const struct sr030pc30_format *curr_fmt;
const struct sr030pc30_frmsize *curr_win;
- unsigned int auto_wb:1;
- unsigned int auto_exp:1;
unsigned int hflip:1;
unsigned int vflip:1;
unsigned int sleep:1;
- unsigned int exposure;
- u8 blue_balance;
- u8 red_balance;
+ struct {
+ /* auto whitebalance control cluster */
+ struct v4l2_ctrl *awb;
+ struct v4l2_ctrl *red;
+ struct v4l2_ctrl *blue;
+ };
+ struct {
+ /* auto exposure control cluster */
+ struct v4l2_ctrl *autoexp;
+ struct v4l2_ctrl *exp;
+ };
u8 i2c_reg_page;
};
@@ -173,52 +181,6 @@ struct i2c_regval {
u16 val;
};
-static const struct v4l2_queryctrl sr030pc30_ctrl[] = {
- {
- .id = V4L2_CID_AUTO_WHITE_BALANCE,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Auto White Balance",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 1,
- }, {
- .id = V4L2_CID_RED_BALANCE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Red Balance",
- .minimum = 0,
- .maximum = 127,
- .step = 1,
- .default_value = 64,
- .flags = 0,
- }, {
- .id = V4L2_CID_BLUE_BALANCE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Blue Balance",
- .minimum = 0,
- .maximum = 127,
- .step = 1,
- .default_value = 64,
- }, {
- .id = V4L2_CID_EXPOSURE_AUTO,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Auto Exposure",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 1,
- }, {
- .id = V4L2_CID_EXPOSURE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Exposure",
- .minimum = EXPOS_MIN_MS,
- .maximum = EXPOS_MAX_MS,
- .step = 1,
- .default_value = 1,
- }, {
- }
-};
-
/* supported resolutions */
static const struct sr030pc30_frmsize sr030pc30_sizes[] = {
{
@@ -394,48 +356,6 @@ static int sr030pc30_pwr_ctrl(struct v4l2_subdev *sd,
return ret;
}
-static inline int sr030pc30_enable_autoexposure(struct v4l2_subdev *sd, int on)
-{
- struct sr030pc30_info *info = to_sr030pc30(sd);
- /* auto anti-flicker is also enabled here */
- int ret = cam_i2c_write(sd, AE_CTL1_REG, on ? 0xDC : 0x0C);
- if (!ret)
- info->auto_exp = on;
- return ret;
-}
-
-static int sr030pc30_set_exposure(struct v4l2_subdev *sd, int value)
-{
- struct sr030pc30_info *info = to_sr030pc30(sd);
-
- unsigned long expos = value * info->pdata->clk_rate / (8 * 1000);
-
- int ret = cam_i2c_write(sd, EXP_TIMEH_REG, expos >> 16 & 0xFF);
- if (!ret)
- ret = cam_i2c_write(sd, EXP_TIMEM_REG, expos >> 8 & 0xFF);
- if (!ret)
- ret = cam_i2c_write(sd, EXP_TIMEL_REG, expos & 0xFF);
- if (!ret) { /* Turn off AE */
- info->exposure = value;
- ret = sr030pc30_enable_autoexposure(sd, 0);
- }
- return ret;
-}
-
-/* Automatic white balance control */
-static int sr030pc30_enable_autowhitebalance(struct v4l2_subdev *sd, int on)
-{
- struct sr030pc30_info *info = to_sr030pc30(sd);
-
- int ret = cam_i2c_write(sd, AWB_CTL2_REG, on ? 0x2E : 0x2F);
- if (!ret)
- ret = cam_i2c_write(sd, AWB_CTL1_REG, on ? 0xFB : 0x7B);
- if (!ret)
- info->auto_wb = on;
-
- return ret;
-}
-
static int sr030pc30_set_flip(struct v4l2_subdev *sd)
{
struct sr030pc30_info *info = to_sr030pc30(sd);
@@ -498,107 +418,56 @@ static int sr030pc30_try_frame_size(struct v4l2_mbus_framefmt *mf)
return -EINVAL;
}
-static int sr030pc30_queryctrl(struct v4l2_subdev *sd,
- struct v4l2_queryctrl *qc)
-{
- int i;
-
- for (i = 0; i < ARRAY_SIZE(sr030pc30_ctrl); i++)
- if (qc->id == sr030pc30_ctrl[i].id) {
- *qc = sr030pc30_ctrl[i];
- v4l2_dbg(1, debug, sd, "%s id: %d\n",
- __func__, qc->id);
- return 0;
- }
-
- return -EINVAL;
-}
-
-static inline int sr030pc30_set_bluebalance(struct v4l2_subdev *sd, int value)
-{
- int ret = cam_i2c_write(sd, MWB_BGAIN_REG, value);
- if (!ret)
- to_sr030pc30(sd)->blue_balance = value;
- return ret;
-}
-
-static inline int sr030pc30_set_redbalance(struct v4l2_subdev *sd, int value)
-{
- int ret = cam_i2c_write(sd, MWB_RGAIN_REG, value);
- if (!ret)
- to_sr030pc30(sd)->red_balance = value;
- return ret;
-}
-
-static int sr030pc30_s_ctrl(struct v4l2_subdev *sd,
- struct v4l2_control *ctrl)
+static int sr030pc30_s_ctrl(struct v4l2_ctrl *ctrl)
{
- int i, ret = 0;
-
- for (i = 0; i < ARRAY_SIZE(sr030pc30_ctrl); i++)
- if (ctrl->id == sr030pc30_ctrl[i].id)
- break;
-
- if (i == ARRAY_SIZE(sr030pc30_ctrl))
- return -EINVAL;
-
- if (ctrl->value < sr030pc30_ctrl[i].minimum ||
- ctrl->value > sr030pc30_ctrl[i].maximum)
- return -ERANGE;
+ struct sr030pc30_info *info =
+ container_of(ctrl->handler, struct sr030pc30_info, hdl);
+ struct v4l2_subdev *sd = &info->sd;
+ int ret = 0;
v4l2_dbg(1, debug, sd, "%s: ctrl_id: %d, value: %d\n",
- __func__, ctrl->id, ctrl->value);
+ __func__, ctrl->id, ctrl->val);
switch (ctrl->id) {
case V4L2_CID_AUTO_WHITE_BALANCE:
- sr030pc30_enable_autowhitebalance(sd, ctrl->value);
- break;
- case V4L2_CID_BLUE_BALANCE:
- ret = sr030pc30_set_bluebalance(sd, ctrl->value);
- break;
- case V4L2_CID_RED_BALANCE:
- ret = sr030pc30_set_redbalance(sd, ctrl->value);
- break;
- case V4L2_CID_EXPOSURE_AUTO:
- sr030pc30_enable_autoexposure(sd,
- ctrl->value == V4L2_EXPOSURE_AUTO);
- break;
- case V4L2_CID_EXPOSURE:
- ret = sr030pc30_set_exposure(sd, ctrl->value);
- break;
- default:
- return -EINVAL;
- }
-
- return ret;
-}
-
-static int sr030pc30_g_ctrl(struct v4l2_subdev *sd,
- struct v4l2_control *ctrl)
-{
- struct sr030pc30_info *info = to_sr030pc30(sd);
-
- v4l2_dbg(1, debug, sd, "%s: id: %d\n", __func__, ctrl->id);
+ if (ctrl->is_new) {
+ ret = cam_i2c_write(sd, AWB_CTL2_REG,
+ ctrl->val ? 0x2E : 0x2F);
+ if (!ret)
+ ret = cam_i2c_write(sd, AWB_CTL1_REG,
+ ctrl->val ? 0xFB : 0x7B);
+ }
+ if (!ret && info->blue->is_new)
+ ret = cam_i2c_write(sd, MWB_BGAIN_REG, info->blue->val);
+ if (!ret && info->red->is_new)
+ ret = cam_i2c_write(sd, MWB_RGAIN_REG, info->red->val);
+ return ret;
- switch (ctrl->id) {
- case V4L2_CID_AUTO_WHITE_BALANCE:
- ctrl->value = info->auto_wb;
- break;
- case V4L2_CID_BLUE_BALANCE:
- ctrl->value = info->blue_balance;
- break;
- case V4L2_CID_RED_BALANCE:
- ctrl->value = info->red_balance;
- break;
case V4L2_CID_EXPOSURE_AUTO:
- ctrl->value = info->auto_exp;
- break;
- case V4L2_CID_EXPOSURE:
- ctrl->value = info->exposure;
- break;
+ /* auto anti-flicker is also enabled here */
+ if (ctrl->is_new)
+ ret = cam_i2c_write(sd, AE_CTL1_REG,
+ ctrl->val == V4L2_EXPOSURE_AUTO ? 0xDC : 0x0C);
+ if (info->exp->is_new) {
+ unsigned long expos = info->exp->val;
+
+ expos = expos * info->pdata->clk_rate / (8 * 1000);
+
+ if (!ret)
+ ret = cam_i2c_write(sd, EXP_TIMEH_REG,
+ expos >> 16 & 0xFF);
+ if (!ret)
+ ret = cam_i2c_write(sd, EXP_TIMEM_REG,
+ expos >> 8 & 0xFF);
+ if (!ret)
+ ret = cam_i2c_write(sd, EXP_TIMEL_REG,
+ expos & 0xFF);
+ }
+ return ret;
default:
return -EINVAL;
}
+
return 0;
}
@@ -752,11 +621,19 @@ static int sr030pc30_s_power(struct v4l2_subdev *sd, int on)
return ret;
}
+static const struct v4l2_ctrl_ops sr030pc30_ctrl_ops = {
+ .s_ctrl = sr030pc30_s_ctrl,
+};
+
static const struct v4l2_subdev_core_ops sr030pc30_core_ops = {
.s_power = sr030pc30_s_power,
- .queryctrl = sr030pc30_queryctrl,
- .s_ctrl = sr030pc30_s_ctrl,
- .g_ctrl = sr030pc30_g_ctrl,
+ .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
+ .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
+ .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
+ .g_ctrl = v4l2_subdev_g_ctrl,
+ .s_ctrl = v4l2_subdev_s_ctrl,
+ .queryctrl = v4l2_subdev_queryctrl,
+ .querymenu = v4l2_subdev_querymenu,
};
static const struct v4l2_subdev_video_ops sr030pc30_video_ops = {
@@ -807,6 +684,7 @@ static int sr030pc30_probe(struct i2c_client *client,
{
struct sr030pc30_info *info;
struct v4l2_subdev *sd;
+ struct v4l2_ctrl_handler *hdl;
const struct sr030pc30_platform_data *pdata
= client->dev.platform_data;
int ret;
@@ -830,10 +708,31 @@ static int sr030pc30_probe(struct i2c_client *client,
v4l2_i2c_subdev_init(sd, client, &sr030pc30_ops);
+ hdl = &info->hdl;
+ v4l2_ctrl_handler_init(hdl, 6);
+ info->awb = v4l2_ctrl_new_std(hdl, &sr030pc30_ctrl_ops,
+ V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1);
+ info->red = v4l2_ctrl_new_std(hdl, &sr030pc30_ctrl_ops,
+ V4L2_CID_RED_BALANCE, 0, 127, 1, 64);
+ info->blue = v4l2_ctrl_new_std(hdl, &sr030pc30_ctrl_ops,
+ V4L2_CID_BLUE_BALANCE, 0, 127, 1, 64);
+ info->autoexp = v4l2_ctrl_new_std(hdl, &sr030pc30_ctrl_ops,
+ V4L2_CID_EXPOSURE_AUTO, 0, 1, 1, 1);
+ info->exp = v4l2_ctrl_new_std(hdl, &sr030pc30_ctrl_ops,
+ V4L2_CID_EXPOSURE, EXPOS_MIN_MS, EXPOS_MAX_MS, 1, 30);
+ sd->ctrl_handler = hdl;
+ if (hdl->error) {
+ int err = hdl->error;
+
+ v4l2_ctrl_handler_free(hdl);
+ return err;
+ }
+ v4l2_ctrl_auto_cluster(3, &info->awb, 0, false);
+ v4l2_ctrl_auto_cluster(2, &info->autoexp, V4L2_EXPOSURE_MANUAL, false);
+ v4l2_ctrl_handler_setup(hdl);
+
info->i2c_reg_page = -1;
info->hflip = 1;
- info->auto_exp = 1;
- info->exposure = 30;
return 0;
}
@@ -843,6 +742,7 @@ static int sr030pc30_remove(struct i2c_client *client)
struct v4l2_subdev *sd = i2c_get_clientdata(client);
v4l2_device_unregister_subdev(sd);
+ v4l2_ctrl_handler_free(sd->ctrl_handler);
return 0;
}
--
1.7.10.4
--
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