Add the effective and active sensor sizes and add functionality to read
rotation and orientation from device trees.
Signed-off-by: André Apitzsch <[email protected]>
---
Changes in v4:
- Add r-b by Kieran to patch 1/4
- Link to v3: https://lore.kernel.org/r/[email protected]
Changes in v3:
- Squash patch 5/5 with patch 2/5
- Link to v2: https://lore.kernel.org/r/[email protected]
Changes in v2:
- Use integer representation for default exposure (Kieran)
- Replace dev_err_probe() by dev_err()
- Increase number of pre-allocated control slots (Jacopo)
- Fix typo in commit message (Jacopo)
- Add r-b tags
- Add patch to fix ctrls init error handling
- Link to v1: https://lore.kernel.org/r/[email protected]
---
André Apitzsch (4):
media: i2c: imx214: Explain some magic numbers
media: i2c: imx214: Move controls init to separate function
media: i2c: imx214: Read orientation and rotation from system firmware
media: i2c: imx214: Add sensor's pixel matrix size
drivers/media/i2c/imx214.c | 175 +++++++++++++++++++++++++++++++--------------
1 file changed, 120 insertions(+), 55 deletions(-)
---
base-commit: 577a4ee0b96fb043c9cf4a533c550ff587e526cf
change-id: 20231023-imx214-68c438ebfb0c
Best regards,
--
André Apitzsch <[email protected]>
Code refinement, no functional changes.
Reviewed-by: Ricardo Ribalda <[email protected]>
Reviewed-by: Kieran Bingham <[email protected]>
Signed-off-by: André Apitzsch <[email protected]>
---
drivers/media/i2c/imx214.c | 24 +++++++++++++++++++-----
1 file changed, 19 insertions(+), 5 deletions(-)
diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
index 8bc7b114c57d..7c9a240026c4 100644
--- a/drivers/media/i2c/imx214.c
+++ b/drivers/media/i2c/imx214.c
@@ -19,12 +19,23 @@
#include <media/v4l2-fwnode.h>
#include <media/v4l2-subdev.h>
+#define IMX214_REG_MODE_SELECT 0x0100
+#define IMX214_MODE_STANDBY 0x00
+#define IMX214_MODE_STREAMING 0x01
+
#define IMX214_DEFAULT_CLK_FREQ 24000000
#define IMX214_DEFAULT_LINK_FREQ 480000000
#define IMX214_DEFAULT_PIXEL_RATE ((IMX214_DEFAULT_LINK_FREQ * 8LL) / 10)
#define IMX214_FPS 30
#define IMX214_MBUS_CODE MEDIA_BUS_FMT_SRGGB10_1X10
+/* Exposure control */
+#define IMX214_REG_EXPOSURE 0x0202
+#define IMX214_EXPOSURE_MIN 0
+#define IMX214_EXPOSURE_MAX 3184
+#define IMX214_EXPOSURE_STEP 1
+#define IMX214_EXPOSURE_DEFAULT 3184
+
static const char * const imx214_supply_name[] = {
"vdda",
"vddd",
@@ -665,7 +676,7 @@ static int imx214_set_ctrl(struct v4l2_ctrl *ctrl)
case V4L2_CID_EXPOSURE:
vals[1] = ctrl->val;
vals[0] = ctrl->val >> 8;
- ret = regmap_bulk_write(imx214->regmap, 0x202, vals, 2);
+ ret = regmap_bulk_write(imx214->regmap, IMX214_REG_EXPOSURE, vals, 2);
if (ret < 0)
dev_err(imx214->dev, "Error %d\n", ret);
ret = 0;
@@ -743,7 +754,7 @@ static int imx214_start_streaming(struct imx214 *imx214)
dev_err(imx214->dev, "could not sync v4l2 controls\n");
goto error;
}
- ret = regmap_write(imx214->regmap, 0x100, 1);
+ ret = regmap_write(imx214->regmap, IMX214_REG_MODE_SELECT, IMX214_MODE_STREAMING);
if (ret < 0) {
dev_err(imx214->dev, "could not sent start table %d\n", ret);
goto error;
@@ -761,7 +772,7 @@ static int imx214_stop_streaming(struct imx214 *imx214)
{
int ret;
- ret = regmap_write(imx214->regmap, 0x100, 0);
+ ret = regmap_write(imx214->regmap, IMX214_REG_MODE_SELECT, IMX214_MODE_STANDBY);
if (ret < 0)
dev_err(imx214->dev, "could not sent stop table %d\n", ret);
@@ -991,9 +1002,12 @@ static int imx214_probe(struct i2c_client *client)
*
* Yours sincerely, Ricardo.
*/
- imx214->exposure = v4l2_ctrl_new_std(&imx214->ctrls, &imx214_ctrl_ops,
+ imx214->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx214_ctrl_ops,
V4L2_CID_EXPOSURE,
- 0, 3184, 1, 0x0c70);
+ IMX214_EXPOSURE_MIN,
+ IMX214_EXPOSURE_MAX,
+ IMX214_EXPOSURE_STEP,
+ IMX214_EXPOSURE_DEFAULT);
imx214->unit_size = v4l2_ctrl_new_std_compound(&imx214->ctrls,
NULL,
--
2.43.0
Obtain rotation and orientation information from system firmware and
register the appropriate controls. While at it, update number of
pre-allocated control slots.
Reviewed-by: Jacopo Mondi <[email protected]>
Reviewed-by: Ricardo Ribalda <[email protected]>
Signed-off-by: André Apitzsch <[email protected]>
---
drivers/media/i2c/imx214.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
index e460030a601b..132267e3a8f5 100644
--- a/drivers/media/i2c/imx214.c
+++ b/drivers/media/i2c/imx214.c
@@ -704,11 +704,16 @@ static int imx214_ctrls_init(struct imx214 *imx214)
.width = 1120,
.height = 1120,
};
+ struct v4l2_fwnode_device_properties props;
struct v4l2_ctrl_handler *ctrl_hdlr;
int ret;
+ ret = v4l2_fwnode_device_parse(imx214->dev, &props);
+ if (ret < 0)
+ return ret;
+
ctrl_hdlr = &imx214->ctrls;
- ret = v4l2_ctrl_handler_init(&imx214->ctrls, 3);
+ ret = v4l2_ctrl_handler_init(&imx214->ctrls, 6);
if (ret)
return ret;
@@ -746,6 +751,8 @@ static int imx214_ctrls_init(struct imx214 *imx214)
V4L2_CID_UNIT_CELL_SIZE,
v4l2_ctrl_ptr_create((void *)&unit_size));
+ v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &imx214_ctrl_ops, &props);
+
ret = ctrl_hdlr->error;
if (ret) {
v4l2_ctrl_handler_free(ctrl_hdlr);
--
2.43.0
Code refinement.
While at it, don't destroy the mutex not initialized yet if the controls
are initialized incorrectly.
Reviewed-by: Jacopo Mondi <[email protected]>
Reviewed-by: Ricardo Ribalda <[email protected]>
Signed-off-by: André Apitzsch <[email protected]>
---
drivers/media/i2c/imx214.c | 115 ++++++++++++++++++++++++++-------------------
1 file changed, 67 insertions(+), 48 deletions(-)
diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
index 7c9a240026c4..e460030a601b 100644
--- a/drivers/media/i2c/imx214.c
+++ b/drivers/media/i2c/imx214.c
@@ -695,6 +695,69 @@ static const struct v4l2_ctrl_ops imx214_ctrl_ops = {
.s_ctrl = imx214_set_ctrl,
};
+static int imx214_ctrls_init(struct imx214 *imx214)
+{
+ static const s64 link_freq[] = {
+ IMX214_DEFAULT_LINK_FREQ
+ };
+ static const struct v4l2_area unit_size = {
+ .width = 1120,
+ .height = 1120,
+ };
+ struct v4l2_ctrl_handler *ctrl_hdlr;
+ int ret;
+
+ ctrl_hdlr = &imx214->ctrls;
+ ret = v4l2_ctrl_handler_init(&imx214->ctrls, 3);
+ if (ret)
+ return ret;
+
+ imx214->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, NULL,
+ V4L2_CID_PIXEL_RATE, 0,
+ IMX214_DEFAULT_PIXEL_RATE, 1,
+ IMX214_DEFAULT_PIXEL_RATE);
+
+ imx214->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, NULL,
+ V4L2_CID_LINK_FREQ,
+ ARRAY_SIZE(link_freq) - 1,
+ 0, link_freq);
+ if (imx214->link_freq)
+ imx214->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
+ /*
+ * WARNING!
+ * Values obtained reverse engineering blobs and/or devices.
+ * Ranges and functionality might be wrong.
+ *
+ * Sony, please release some register set documentation for the
+ * device.
+ *
+ * Yours sincerely, Ricardo.
+ */
+ imx214->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx214_ctrl_ops,
+ V4L2_CID_EXPOSURE,
+ IMX214_EXPOSURE_MIN,
+ IMX214_EXPOSURE_MAX,
+ IMX214_EXPOSURE_STEP,
+ IMX214_EXPOSURE_DEFAULT);
+
+ imx214->unit_size = v4l2_ctrl_new_std_compound(ctrl_hdlr,
+ NULL,
+ V4L2_CID_UNIT_CELL_SIZE,
+ v4l2_ctrl_ptr_create((void *)&unit_size));
+
+ ret = ctrl_hdlr->error;
+ if (ret) {
+ v4l2_ctrl_handler_free(ctrl_hdlr);
+ dev_err(imx214->dev, "failed to add controls: %d\n", ret);
+ return ret;
+ }
+
+ imx214->sd.ctrl_handler = ctrl_hdlr;
+
+ return 0;
+};
+
#define MAX_CMD 4
static int imx214_write_table(struct imx214 *imx214,
const struct reg_8 table[])
@@ -918,13 +981,6 @@ static int imx214_probe(struct i2c_client *client)
{
struct device *dev = &client->dev;
struct imx214 *imx214;
- static const s64 link_freq[] = {
- IMX214_DEFAULT_LINK_FREQ,
- };
- static const struct v4l2_area unit_size = {
- .width = 1120,
- .height = 1120,
- };
int ret;
ret = imx214_parse_fwnode(dev);
@@ -979,48 +1035,10 @@ static int imx214_probe(struct i2c_client *client)
pm_runtime_enable(imx214->dev);
pm_runtime_idle(imx214->dev);
- v4l2_ctrl_handler_init(&imx214->ctrls, 3);
-
- imx214->pixel_rate = v4l2_ctrl_new_std(&imx214->ctrls, NULL,
- V4L2_CID_PIXEL_RATE, 0,
- IMX214_DEFAULT_PIXEL_RATE, 1,
- IMX214_DEFAULT_PIXEL_RATE);
- imx214->link_freq = v4l2_ctrl_new_int_menu(&imx214->ctrls, NULL,
- V4L2_CID_LINK_FREQ,
- ARRAY_SIZE(link_freq) - 1,
- 0, link_freq);
- if (imx214->link_freq)
- imx214->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
-
- /*
- * WARNING!
- * Values obtained reverse engineering blobs and/or devices.
- * Ranges and functionality might be wrong.
- *
- * Sony, please release some register set documentation for the
- * device.
- *
- * Yours sincerely, Ricardo.
- */
- imx214->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx214_ctrl_ops,
- V4L2_CID_EXPOSURE,
- IMX214_EXPOSURE_MIN,
- IMX214_EXPOSURE_MAX,
- IMX214_EXPOSURE_STEP,
- IMX214_EXPOSURE_DEFAULT);
-
- imx214->unit_size = v4l2_ctrl_new_std_compound(&imx214->ctrls,
- NULL,
- V4L2_CID_UNIT_CELL_SIZE,
- v4l2_ctrl_ptr_create((void *)&unit_size));
- ret = imx214->ctrls.error;
- if (ret) {
- dev_err(&client->dev, "%s control init failed (%d)\n",
- __func__, ret);
- goto free_ctrl;
- }
+ ret = imx214_ctrls_init(imx214);
+ if (ret < 0)
+ goto error_power_off;
- imx214->sd.ctrl_handler = &imx214->ctrls;
mutex_init(&imx214->mutex);
imx214->ctrls.lock = &imx214->mutex;
@@ -1050,6 +1068,7 @@ static int imx214_probe(struct i2c_client *client)
free_ctrl:
mutex_destroy(&imx214->mutex);
v4l2_ctrl_handler_free(&imx214->ctrls);
+error_power_off:
pm_runtime_disable(imx214->dev);
return ret;
--
2.43.0
Set effective and active sensor pixel sizes as shown in product
brief[1].
[1]: https://www.mouser.com/datasheet/2/897/ProductBrief_IMX214_20150428-1289331.pdf
Reviewed-by: Jacopo Mondi <[email protected]>
Signed-off-by: André Apitzsch <[email protected]>
---
drivers/media/i2c/imx214.c | 39 ++++++++++++++++++++++++++++++++-------
1 file changed, 32 insertions(+), 7 deletions(-)
diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
index 132267e3a8f5..d67b5b928b9d 100644
--- a/drivers/media/i2c/imx214.c
+++ b/drivers/media/i2c/imx214.c
@@ -36,6 +36,14 @@
#define IMX214_EXPOSURE_STEP 1
#define IMX214_EXPOSURE_DEFAULT 3184
+/* IMX214 native and active pixel array size */
+#define IMX214_NATIVE_WIDTH 4224U
+#define IMX214_NATIVE_HEIGHT 3136U
+#define IMX214_PIXEL_ARRAY_LEFT 8U
+#define IMX214_PIXEL_ARRAY_TOP 8U
+#define IMX214_PIXEL_ARRAY_WIDTH 4208U
+#define IMX214_PIXEL_ARRAY_HEIGHT 3120U
+
static const char * const imx214_supply_name[] = {
"vdda",
"vddd",
@@ -634,14 +642,31 @@ static int imx214_get_selection(struct v4l2_subdev *sd,
{
struct imx214 *imx214 = to_imx214(sd);
- if (sel->target != V4L2_SEL_TGT_CROP)
- return -EINVAL;
+ switch (sel->target) {
+ case V4L2_SEL_TGT_CROP:
+ mutex_lock(&imx214->mutex);
+ sel->r = *__imx214_get_pad_crop(imx214, sd_state, sel->pad,
+ sel->which);
+ mutex_unlock(&imx214->mutex);
+ return 0;
- mutex_lock(&imx214->mutex);
- sel->r = *__imx214_get_pad_crop(imx214, sd_state, sel->pad,
- sel->which);
- mutex_unlock(&imx214->mutex);
- return 0;
+ case V4L2_SEL_TGT_NATIVE_SIZE:
+ sel->r.top = 0;
+ sel->r.left = 0;
+ sel->r.width = IMX214_NATIVE_WIDTH;
+ sel->r.height = IMX214_NATIVE_HEIGHT;
+ return 0;
+
+ case V4L2_SEL_TGT_CROP_DEFAULT:
+ case V4L2_SEL_TGT_CROP_BOUNDS:
+ sel->r.top = IMX214_PIXEL_ARRAY_TOP;
+ sel->r.left = IMX214_PIXEL_ARRAY_LEFT;
+ sel->r.width = IMX214_PIXEL_ARRAY_WIDTH;
+ sel->r.height = IMX214_PIXEL_ARRAY_HEIGHT;
+ return 0;
+ }
+
+ return -EINVAL;
}
static int imx214_entity_init_cfg(struct v4l2_subdev *subdev,
--
2.43.0