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path: root/drivers/media/i2c/imx290.c
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Diffstat (limited to 'drivers/media/i2c/imx290.c')
-rw-r--r--drivers/media/i2c/imx290.c123
1 files changed, 97 insertions, 26 deletions
diff --git a/drivers/media/i2c/imx290.c b/drivers/media/i2c/imx290.c
index 4150e6e4b9a6..fbf7eba3d71d 100644
--- a/drivers/media/i2c/imx290.c
+++ b/drivers/media/i2c/imx290.c
@@ -18,13 +18,12 @@
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <media/media-entity.h>
#include <media/v4l2-cci.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
-#include <media/v4l2-event.h>
#include <media/v4l2-fwnode.h>
#include <media/v4l2-subdev.h>
@@ -78,7 +77,6 @@
#define IMX290_ADBIT2 CCI_REG8(0x317c)
#define IMX290_ADBIT2_10BIT 0x12
#define IMX290_ADBIT2_12BIT 0x00
-#define IMX290_CHIP_ID CCI_REG16_LE(0x319a)
#define IMX290_ADBIT3 CCI_REG8(0x31ec)
#define IMX290_ADBIT3_10BIT 0x37
#define IMX290_ADBIT3_12BIT 0x0e
@@ -172,12 +170,15 @@ enum imx290_model {
IMX290_MODEL_IMX290LQR,
IMX290_MODEL_IMX290LLR,
IMX290_MODEL_IMX327LQR,
+ IMX290_MODEL_IMX462LQR,
+ IMX290_MODEL_IMX462LLR,
};
struct imx290_model_info {
enum imx290_colour_variant colour_variant;
const struct cci_reg_sequence *init_regs;
size_t init_regs_num;
+ unsigned int max_analog_gain;
const char *name;
};
@@ -269,7 +270,6 @@ static const struct cci_reg_sequence imx290_global_init_settings[] = {
{ IMX290_WINWV, 1097 },
{ IMX290_XSOUTSEL, IMX290_XSOUTSEL_XVSOUTSEL_VSYNC |
IMX290_XSOUTSEL_XHSOUTSEL_HSYNC },
- { CCI_REG8(0x3011), 0x02 },
{ CCI_REG8(0x3012), 0x64 },
{ CCI_REG8(0x3013), 0x00 },
};
@@ -277,6 +277,51 @@ static const struct cci_reg_sequence imx290_global_init_settings[] = {
static const struct cci_reg_sequence imx290_global_init_settings_290[] = {
{ CCI_REG8(0x300f), 0x00 },
{ CCI_REG8(0x3010), 0x21 },
+ { CCI_REG8(0x3011), 0x00 },
+ { CCI_REG8(0x3016), 0x09 },
+ { CCI_REG8(0x3070), 0x02 },
+ { CCI_REG8(0x3071), 0x11 },
+ { CCI_REG8(0x309b), 0x10 },
+ { CCI_REG8(0x309c), 0x22 },
+ { CCI_REG8(0x30a2), 0x02 },
+ { CCI_REG8(0x30a6), 0x20 },
+ { CCI_REG8(0x30a8), 0x20 },
+ { CCI_REG8(0x30aa), 0x20 },
+ { CCI_REG8(0x30ac), 0x20 },
+ { CCI_REG8(0x30b0), 0x43 },
+ { CCI_REG8(0x3119), 0x9e },
+ { CCI_REG8(0x311c), 0x1e },
+ { CCI_REG8(0x311e), 0x08 },
+ { CCI_REG8(0x3128), 0x05 },
+ { CCI_REG8(0x313d), 0x83 },
+ { CCI_REG8(0x3150), 0x03 },
+ { CCI_REG8(0x317e), 0x00 },
+ { CCI_REG8(0x32b8), 0x50 },
+ { CCI_REG8(0x32b9), 0x10 },
+ { CCI_REG8(0x32ba), 0x00 },
+ { CCI_REG8(0x32bb), 0x04 },
+ { CCI_REG8(0x32c8), 0x50 },
+ { CCI_REG8(0x32c9), 0x10 },
+ { CCI_REG8(0x32ca), 0x00 },
+ { CCI_REG8(0x32cb), 0x04 },
+ { CCI_REG8(0x332c), 0xd3 },
+ { CCI_REG8(0x332d), 0x10 },
+ { CCI_REG8(0x332e), 0x0d },
+ { CCI_REG8(0x3358), 0x06 },
+ { CCI_REG8(0x3359), 0xe1 },
+ { CCI_REG8(0x335a), 0x11 },
+ { CCI_REG8(0x3360), 0x1e },
+ { CCI_REG8(0x3361), 0x61 },
+ { CCI_REG8(0x3362), 0x10 },
+ { CCI_REG8(0x33b0), 0x50 },
+ { CCI_REG8(0x33b2), 0x1a },
+ { CCI_REG8(0x33b3), 0x04 },
+};
+
+static const struct cci_reg_sequence imx290_global_init_settings_462[] = {
+ { CCI_REG8(0x300f), 0x00 },
+ { CCI_REG8(0x3010), 0x21 },
+ { CCI_REG8(0x3011), 0x02 },
{ CCI_REG8(0x3016), 0x09 },
{ CCI_REG8(0x3070), 0x02 },
{ CCI_REG8(0x3071), 0x11 },
@@ -330,6 +375,7 @@ static const struct cci_reg_sequence xclk_regs[][IMX290_NUM_CLK_REGS] = {
};
static const struct cci_reg_sequence imx290_global_init_settings_327[] = {
+ { CCI_REG8(0x3011), 0x02 },
{ CCI_REG8(0x309e), 0x4A },
{ CCI_REG8(0x309f), 0x4A },
{ CCI_REG8(0x313b), 0x61 },
@@ -878,14 +924,10 @@ static int imx290_ctrl_init(struct imx290 *imx290)
* up to 72.0dB (240) add further digital gain. Limit the range to
* analog gain only, support for digital gain can be added separately
* if needed.
- *
- * The IMX327 and IMX462 are largely compatible with the IMX290, but
- * have an analog gain range of 0.0dB to 29.4dB and 42dB of digital
- * gain. When support for those sensors gets added to the driver, the
- * gain control should be adjusted accordingly.
*/
v4l2_ctrl_new_std(&imx290->ctrls, &imx290_ctrl_ops,
- V4L2_CID_ANALOGUE_GAIN, 0, 100, 1, 0);
+ V4L2_CID_ANALOGUE_GAIN, 0,
+ imx290->model->max_analog_gain, 1, 0);
/*
* Correct range will be determined through imx290_ctrl_update setting
@@ -1211,11 +1253,6 @@ static int imx290_entity_init_state(struct v4l2_subdev *subdev,
return 0;
}
-static const struct v4l2_subdev_core_ops imx290_core_ops = {
- .subscribe_event = v4l2_ctrl_subdev_subscribe_event,
- .unsubscribe_event = v4l2_event_subdev_unsubscribe,
-};
-
static const struct v4l2_subdev_video_ops imx290_video_ops = {
.s_stream = imx290_set_stream,
};
@@ -1229,7 +1266,6 @@ static const struct v4l2_subdev_pad_ops imx290_pad_ops = {
};
static const struct v4l2_subdev_ops imx290_subdev_ops = {
- .core = &imx290_core_ops,
.video = &imx290_video_ops,
.pad = &imx290_pad_ops,
};
@@ -1250,11 +1286,20 @@ static int imx290_subdev_init(struct imx290 *imx290)
imx290->current_mode = &imx290_modes_ptr(imx290)[0];
+ /*
+ * After linking the subdev with the imx290 instance, we are allowed to
+ * use the pm_runtime functions. Decrease the PM usage count. The device
+ * will get suspended after the autosuspend delay, turning the power
+ * off. However, the communication happening in imx290_ctrl_update()
+ * will already be prevented even before the delay.
+ */
v4l2_i2c_subdev_init(&imx290->sd, client, &imx290_subdev_ops);
- imx290->sd.internal_ops = &imx290_internal_ops;
- imx290->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
- V4L2_SUBDEV_FL_HAS_EVENTS;
imx290->sd.dev = imx290->dev;
+ pm_runtime_mark_last_busy(imx290->dev);
+ pm_runtime_put_autosuspend(imx290->dev);
+
+ imx290->sd.internal_ops = &imx290_internal_ops;
+ imx290->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
imx290->sd.entity.ops = &imx290_subdev_entity_ops;
imx290->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
@@ -1440,20 +1485,37 @@ static const struct imx290_model_info imx290_models[] = {
.colour_variant = IMX290_VARIANT_COLOUR,
.init_regs = imx290_global_init_settings_290,
.init_regs_num = ARRAY_SIZE(imx290_global_init_settings_290),
+ .max_analog_gain = 100,
.name = "imx290",
},
[IMX290_MODEL_IMX290LLR] = {
.colour_variant = IMX290_VARIANT_MONO,
.init_regs = imx290_global_init_settings_290,
.init_regs_num = ARRAY_SIZE(imx290_global_init_settings_290),
+ .max_analog_gain = 100,
.name = "imx290",
},
[IMX290_MODEL_IMX327LQR] = {
.colour_variant = IMX290_VARIANT_COLOUR,
.init_regs = imx290_global_init_settings_327,
.init_regs_num = ARRAY_SIZE(imx290_global_init_settings_327),
+ .max_analog_gain = 98,
.name = "imx327",
},
+ [IMX290_MODEL_IMX462LQR] = {
+ .colour_variant = IMX290_VARIANT_COLOUR,
+ .init_regs = imx290_global_init_settings_462,
+ .init_regs_num = ARRAY_SIZE(imx290_global_init_settings_462),
+ .max_analog_gain = 98,
+ .name = "imx462",
+ },
+ [IMX290_MODEL_IMX462LLR] = {
+ .colour_variant = IMX290_VARIANT_MONO,
+ .init_regs = imx290_global_init_settings_462,
+ .init_regs_num = ARRAY_SIZE(imx290_global_init_settings_462),
+ .max_analog_gain = 98,
+ .name = "imx462",
+ },
};
static int imx290_parse_dt(struct imx290 *imx290)
@@ -1580,6 +1642,16 @@ static int imx290_probe(struct i2c_client *client)
pm_runtime_set_autosuspend_delay(dev, 1000);
pm_runtime_use_autosuspend(dev);
+ /*
+ * Make sure the sensor is available, in STANDBY and not streaming
+ * before the V4L2 subdev is initialized.
+ */
+ ret = imx290_stop_streaming(imx290);
+ if (ret) {
+ ret = dev_err_probe(dev, ret, "Could not initialize device\n");
+ goto err_pm;
+ }
+
/* Initialize the V4L2 subdev. */
ret = imx290_subdev_init(imx290);
if (ret)
@@ -1599,13 +1671,6 @@ static int imx290_probe(struct i2c_client *client)
goto err_subdev;
}
- /*
- * Decrease the PM usage count. The device will get suspended after the
- * autosuspend delay, turning the power off.
- */
- pm_runtime_mark_last_busy(dev);
- pm_runtime_put_autosuspend(dev);
-
return 0;
err_subdev:
@@ -1649,6 +1714,12 @@ static const struct of_device_id imx290_of_match[] = {
}, {
.compatible = "sony,imx327lqr",
.data = &imx290_models[IMX290_MODEL_IMX327LQR],
+ }, {
+ .compatible = "sony,imx462lqr",
+ .data = &imx290_models[IMX290_MODEL_IMX462LQR],
+ }, {
+ .compatible = "sony,imx462llr",
+ .data = &imx290_models[IMX290_MODEL_IMX462LLR],
},
{ /* sentinel */ },
};
generated by cgit (git 2.34.1) at 2025-07-23 10:55:05 +0000