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media: i2c: imx290: Add support for imx327 variant

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Both sensors are quite similar. Their specs only differ regarding LVDS
and parallel output but are identical regarding MIPI-CSI-2 interface.
But they use a different init setting of hard-coded values, taken from
the datasheet.

Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
This commit is contained in:
Alexander Stein 2023-02-17 10:52:21 +01:00 committed by Mauro Carvalho Chehab
parent d30954cbf2
commit 2d41947ec2
1 changed files with 42 additions and 2 deletions
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44
drivers/media/i2c/imx290.c
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@ -176,10 +176,14 @@ enum imx290_colour_variant {
enum imx290_model {
IMX290_MODEL_IMX290LQR,
IMX290_MODEL_IMX290LLR,
IMX290_MODEL_IMX327LQR,
};
struct imx290_model_info {
enum imx290_colour_variant colour_variant;
const struct imx290_regval *init_regs;
size_t init_regs_num;
const char *name;
};
enum imx290_clk_freq {
@ -275,10 +279,14 @@ static const struct imx290_regval imx290_global_init_settings[] = {
{ IMX290_WINWV, 1097 },
{ IMX290_XSOUTSEL, IMX290_XSOUTSEL_XVSOUTSEL_VSYNC |
IMX290_XSOUTSEL_XHSOUTSEL_HSYNC },
{ IMX290_REG_8BIT(0x300f), 0x00 },
{ IMX290_REG_8BIT(0x3010), 0x21 },
{ IMX290_REG_8BIT(0x3011), 0x02 },
{ IMX290_REG_8BIT(0x3012), 0x64 },
{ IMX290_REG_8BIT(0x3013), 0x00 },
};
static const struct imx290_regval imx290_global_init_settings_290[] = {
{ IMX290_REG_8BIT(0x300f), 0x00 },
{ IMX290_REG_8BIT(0x3010), 0x21 },
{ IMX290_REG_8BIT(0x3016), 0x09 },
{ IMX290_REG_8BIT(0x3070), 0x02 },
{ IMX290_REG_8BIT(0x3071), 0x11 },
@ -331,6 +339,12 @@ static const struct imx290_regval xclk_regs[][IMX290_NUM_CLK_REGS] = {
},
};
static const struct imx290_regval imx290_global_init_settings_327[] = {
{ IMX290_REG_8BIT(0x309e), 0x4A },
{ IMX290_REG_8BIT(0x309f), 0x4A },
{ IMX290_REG_8BIT(0x313b), 0x61 },
};
static const struct imx290_regval imx290_1080p_settings[] = {
/* mode settings */
{ IMX290_WINWV_OB, 12 },
@ -1009,6 +1023,14 @@ static int imx290_start_streaming(struct imx290 *imx290,
return ret;
}
/* Set mdel specific init register settings */
ret = imx290_set_register_array(imx290, imx290->model->init_regs,
imx290->model->init_regs_num);
if (ret < 0) {
dev_err(imx290->dev, "Could not set model specific init registers\n");
return ret;
}
/* Set clock parameters based on mode and xclk */
ret = imx290_set_clock(imx290);
if (ret < 0) {
@ -1477,9 +1499,21 @@ static s64 imx290_check_link_freqs(const struct imx290 *imx290,
static const struct imx290_model_info imx290_models[] = {
[IMX290_MODEL_IMX290LQR] = {
.colour_variant = IMX290_VARIANT_COLOUR,
.init_regs = imx290_global_init_settings_290,
.init_regs_num = ARRAY_SIZE(imx290_global_init_settings_290),
.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),
.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),
.name = "imx327",
},
};
@ -1612,6 +1646,9 @@ static int imx290_probe(struct i2c_client *client)
if (ret)
goto err_pm;
v4l2_i2c_subdev_set_name(&imx290->sd, client,
imx290->model->name, NULL);
/*
* Finally, register the V4L2 subdev. This must be done after
* initializing everything as the subdev can be used immediately after
@ -1670,6 +1707,9 @@ static const struct of_device_id imx290_of_match[] = {
}, {
.compatible = "sony,imx290llr",
.data = &imx290_models[IMX290_MODEL_IMX290LLR],
}, {
.compatible = "sony,imx327lqr",
.data = &imx290_models[IMX290_MODEL_IMX327LQR],
},
{ /* sentinel */ },
};