linux-kernel - Re: [PATCH 2/4] [media] platform: Add Synopsys Designware HDMI RX Controller Driver

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Message-ID: <e1fb1420-28b1-c5ba-230e-3f1c3f9dfee0@synopsys.com>
Date:   Tue, 13 Jun 2017 11:06:11 +0100
From:   Jose Abreu <Jose.Abreu@...opsys.com>
To:     <linux-media@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Carlos Palminha <CARLOS.PALMINHA@...opsys.com>,
        Hans Verkuil <hans.verkuil@...co.com>
Subject: Re: [PATCH 2/4] [media] platform: Add Synopsys Designware HDMI RX
 Controller Driver

Hi Hans,


On 13-06-2017 11:01, Jose Abreu wrote:

[snip]
> Changes from RFC:
> 	- Added support for HDCP 1.4

[snip]
> +
> +/* HDCP 1.4 */
> +#define DW_HDMI_HDCP14_BKSV_SIZE	2
> +#define DW_HDMI_HDCP14_KEYS_SIZE	(2 * 40)
> +
> +struct dw_hdmi_hdcp14_key {
> +	u32 seed;
> +	u32 bksv[DW_HDMI_HDCP14_BKSV_SIZE];
> +	u32 keys[DW_HDMI_HDCP14_KEYS_SIZE];
> +	bool keys_valid;
> +};
> +
> +struct dw_hdmi_rx_pdata {
> +	/* Controller configuration */
> +	unsigned int iref_clk; /* MHz */
> +	struct dw_hdmi_hdcp14_key hdcp14_keys;
> +	/* 5V sense interface */
> +	bool (*dw_5v_status)(void __iomem *regs, int input);
> +	void (*dw_5v_clear)(void __iomem *regs);
> +	void __iomem *dw_5v_arg;
> +	/* Zcal interface */
> +	void (*dw_zcal_reset)(void __iomem *regs);
> +	bool (*dw_zcal_done)(void __iomem *regs);
> +	void __iomem *dw_zcal_arg;
> +};
> +
> +#endif /* __DW_HDMI_RX_PDATA_H__ */

I now have support for HDCP 1.4 in this driver. Can you send me
the patches about HDCP that you mentioned a while ago?

Best regards,
Jose Miguel Abreu