Hi Andy,
Am Mittwoch, 25. Dezember 2024, 11:37:29 CET schrieb Andy Yan:
> From: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
>
> There are some control bits for IO and interrupts status scattered
> across different GRF on differt SOC.
> Add platform callback for this IO setting and interrupts status
> handling.
>
> Signed-off-by: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
>
> ---
>
> .../gpu/drm/rockchip/dw_hdmi_qp-rockchip.c | 81 ++++++++++++-------
> 1 file changed, 54 insertions(+), 27 deletions(-)
>
> diff --git a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
> index c36fc130b734..b21e868e7c16 100644
> --- a/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
> +++ b/drivers/gpu/drm/rockchip/dw_hdmi_qp-rockchip.c
> @@ -62,6 +62,12 @@ struct rockchip_hdmi_qp {
> int port_id;
> };
>
> +struct rockchip_hdmi_qp_ctrl_ops {
> + void (*io_init)(struct rockchip_hdmi_qp *hdmi);
> + irqreturn_t (*irq_callback)(int irq, void *dev_id);
> + irqreturn_t (*hardirq_callback)(int irq, void *dev_id);
> +};
> +
> static struct rockchip_hdmi_qp *to_rockchip_hdmi_qp(struct drm_encoder *encoder)
> {
> struct rockchip_encoder *rkencoder = to_rockchip_encoder(encoder);
> @@ -226,9 +232,47 @@ static irqreturn_t dw_hdmi_qp_rk3588_irq(int irq, void *dev_id)
> return IRQ_HANDLED;
> }
>
> +static void dw_hdmi_qp_rk3588_io_init(struct rockchip_hdmi_qp *hdmi)
> +{
> + u32 val;
> +
> + val = HIWORD_UPDATE(RK3588_SCLIN_MASK, RK3588_SCLIN_MASK) |
> + HIWORD_UPDATE(RK3588_SDAIN_MASK, RK3588_SDAIN_MASK) |
> + HIWORD_UPDATE(RK3588_MODE_MASK, RK3588_MODE_MASK) |
> + HIWORD_UPDATE(RK3588_I2S_SEL_MASK, RK3588_I2S_SEL_MASK);
> +
nit: below val = ... and regmap_write don't have a blank line between them
which makes sense to show that they belong together. So the blank above
can probably also go away.
> + regmap_write(hdmi->vo_regmap,
> + hdmi->port_id ? RK3588_GRF_VO1_CON6 : RK3588_GRF_VO1_CON3,
> + val);
> +
> + val = HIWORD_UPDATE(RK3588_SET_HPD_PATH_MASK, RK3588_SET_HPD_PATH_MASK);
> + regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON7, val);
> +
> + if (hdmi->port_id)
> + val = HIWORD_UPDATE(RK3588_HDMI1_GRANT_SEL,
> + RK3588_HDMI1_GRANT_SEL);
> + else
> + val = HIWORD_UPDATE(RK3588_HDMI0_GRANT_SEL,
> + RK3588_HDMI0_GRANT_SEL);
> + regmap_write(hdmi->vo_regmap, RK3588_GRF_VO1_CON9, val);
> +
> + if (hdmi->port_id)
> + val = HIWORD_UPDATE(RK3588_HDMI1_HPD_INT_MSK, RK3588_HDMI1_HPD_INT_MSK);
> + else
> + val = HIWORD_UPDATE(RK3588_HDMI0_HPD_INT_MSK, RK3588_HDMI0_HPD_INT_MSK);
> + regmap_write(hdmi->regmap, RK3588_GRF_SOC_CON2, val);
> +}
> +
> +static const struct rockchip_hdmi_qp_ctrl_ops rk3588_hdmi_ctrl_ops = {
> + .io_init = dw_hdmi_qp_rk3588_io_init,
> + .irq_callback = dw_hdmi_qp_rk3588_irq,
> + .hardirq_callback = dw_hdmi_qp_rk3588_hardirq,
> +};
> +
> struct rockchip_hdmi_qp_cfg {
> unsigned int num_ports;
> unsigned int port_ids[MAX_HDMI_PORT_NUM];
> + const struct rockchip_hdmi_qp_ctrl_ops *ctrl_ops;
> const struct dw_hdmi_qp_phy_ops *phy_ops;
> };
>
> @@ -238,6 +282,7 @@ static const struct rockchip_hdmi_qp_cfg rk3588_hdmi_cfg = {
> 0xfde80000,
> 0xfdea0000,
> },
> + .ctrl_ops = &rk3588_hdmi_ctrl_ops,
> .phy_ops = &rk3588_hdmi_phy_ops,
> };
>
> @@ -282,6 +327,12 @@ static int dw_hdmi_qp_rockchip_bind(struct device *dev, struct device *master,
> if (!cfg)
> return -ENODEV;
>
> + if (!cfg->ctrl_ops || !cfg->ctrl_ops->io_init ||
> + !cfg->ctrl_ops->irq_callback || !cfg->ctrl_ops->irq_callback) {
cfg->ctrl_ops->irq_callback is checked twice, I guess one of them
should've been ctrl_ops->hardirq_callback?
Patch looks good otherwise.
Thanks
Heiko
