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media: qcom: camss: csiphy: Add an init callback to CSI PHY devices

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Add a nop init callback to CSIPHY devices, this callback is used to add
some HW register offset and register configuration for specific platform,
then different platform can reuse the same CSIPHY driver. Later changes
will enumerate with enabling code.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Depeng Shao <quic_depengs@quicinc.com>
Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Bryan O'Donoghue 2025-01-13 10:01:21 +05:30 committed by Hans Verkuil
parent eec18b9d9d
commit a2a03937d4
4 changed files with 17 additions and 0 deletions
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6
drivers/media/platform/qcom/camss/camss-csiphy-2ph-1-0.c
View File

@ -180,6 +180,11 @@ static irqreturn_t csiphy_isr(int irq, void *dev)
return IRQ_HANDLED;
}
static int csiphy_init(struct csiphy_device *csiphy)
{
return 0;
}
const struct csiphy_hw_ops csiphy_ops_2ph_1_0 = {
.get_lane_mask = csiphy_get_lane_mask,
.hw_version_read = csiphy_hw_version_read,
@ -187,4 +192,5 @@ const struct csiphy_hw_ops csiphy_ops_2ph_1_0 = {
.lanes_enable = csiphy_lanes_enable,
.lanes_disable = csiphy_lanes_disable,
.isr = csiphy_isr,
.init = csiphy_init,
};

6
drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
View File

@ -586,6 +586,11 @@ static void csiphy_lanes_disable(struct csiphy_device *csiphy,
CSIPHY_3PH_CMN_CSI_COMMON_CTRLn(6));
}
static int csiphy_init(struct csiphy_device *csiphy)
{
return 0;
}
const struct csiphy_hw_ops csiphy_ops_3ph_1_0 = {
.get_lane_mask = csiphy_get_lane_mask,
.hw_version_read = csiphy_hw_version_read,
@ -593,4 +598,5 @@ const struct csiphy_hw_ops csiphy_ops_3ph_1_0 = {
.lanes_enable = csiphy_lanes_enable,
.lanes_disable = csiphy_lanes_disable,
.isr = csiphy_isr,
.init = csiphy_init,
};

4
drivers/media/platform/qcom/camss/camss-csiphy.c
View File

@ -594,6 +594,10 @@ int msm_csiphy_subdev_init(struct camss *camss,
csiphy->cfg.combo_mode = 0;
csiphy->res = &res->csiphy;
ret = csiphy->res->hw_ops->init(csiphy);
if (ret)
return ret;
/* Memory */
csiphy->base = devm_platform_ioremap_resource_byname(pdev, res->reg[0]);

1
drivers/media/platform/qcom/camss/camss-csiphy.h
View File

@ -77,6 +77,7 @@ struct csiphy_hw_ops {
void (*lanes_disable)(struct csiphy_device *csiphy,
struct csiphy_config *cfg);
irqreturn_t (*isr)(int irq, void *dev);
int (*init)(struct csiphy_device *csiphy);
};
struct csiphy_subdev_resources {