linux-kernel - Re: [PATCH v14 05/12] drm: imx: imx-hdmi: move imx-hdmi to bridge/dw_hdmi

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Message-ID: <547C56D2.5030302@rock-chips.com>
Date:	Mon, 01 Dec 2014 19:53:54 +0800
From:	Andy Yan <andy.yan@...k-chips.com>
To:	Philipp Zabel <p.zabel@...gutronix.de>
CC:	Mark Rutland <mark.rutland@....com>, heiko@...ech.de,
	airlied@...ux.ie, dri-devel@...ts.freedesktop.org,
	ykk@...k-chips.com, devel@...verdev.osuosl.org,
	Pawel Moll <pawel.moll@....com>,
	linux-rockchip@...ts.infradead.org,
	Grant Likely <grant.likely@...aro.org>,
	Dave Airlie <airlied@...hat.com>, jay.xu@...k-chips.com,
	devicetree@...r.kernel.org, Zubair.Kakakhel@...tec.com,
	Arnd Bergmann <arnd@...db.de>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Inki Dae <inki.dae@...sung.com>,
	Rob Herring <robh+dt@...nel.org>,
	Sean Paul <seanpaul@...omium.org>, rmk+kernel@....linux.org.uk,
	mark.yao@...k-chips.com, fabio.estevam@...escale.com,
	Josh Boyer <jwboyer@...hat.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org, djkurtz@...gle.com,
	Kumar Gala <galak@...eaurora.org>,
	Shawn Guo <shawn.guo@...aro.org>,
	Lucas Stach <l.stach@...gutronix.de>
Subject: Re: [PATCH v14 05/12] drm: imx: imx-hdmi: move imx-hdmi to bridge/dw_hdmi

Hi Philipp:

On 2014年12月01日 19:42, Philipp Zabel wrote:
> Hi Andy,
>
> Am Montag, den 01.12.2014, 19:24 +0800 schrieb Andy Yan:
> [...]
>> diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
>> new file mode 100644
>> index 0000000..1bbf3ca
>> --- /dev/null
>> +++ b/include/drm/bridge/dw_hdmi.h
>> @@ -0,0 +1,57 @@
>> +/*
>> + * Copyright (C) 2011 Freescale Semiconductor, Inc.
>> + *
>> + * This program is free software; you can redistribute it and/or modify
>> + * it under the terms of the GNU General Public License as published by
>> + * the Free Software Foundation; either version 2 of the License, or
>> + * (at your option) any later version.
>> + */
>> +
>> +#ifndef __DW_HDMI__
>> +#define __DW_HDMI__
>> +
>> +#include <drm/drmP.h>
>> +
>> +enum {
>> +	RES_8,
>> +	RES_10,
>> +	RES_12,
>> +	RES_MAX,
>> +};
>> +
>> +enum dw_hdmi_devtype {
>> +	IMX6Q_HDMI,
>> +	IMX6DL_HDMI,
>> +};
>> +
>> +struct mpll_config {
>> +	unsigned long mpixelclock;
>> +	struct {
>> +		u16 cpce;
>> +		u16 gmp;
>> +	} res[RES_MAX];
>> +};
>> +
>> +struct curr_ctrl {
>> +	unsigned long mpixelclock;
>> +	u16 curr[RES_MAX];
>> +};
>> +
>> +struct sym_term {
>> +	unsigned long mpixelclock;
>> +	u16 sym_ctr;    /*clock symbol and transmitter control*/
>> +	u16 term;       /*transmission termination value*/
>> +};
> since this is going to be used by multiple drivers, the enums and
> structs should all be properly namespaced. How about DW_HDMI_RES_x,
> struct dw_hdmi_mpll_config, struct dw_hdmi_curr_ctrl, and struct
> dw_hdmi_sym_term?

   That sounds good, I will take your advice in PATCH V15.
   Thanks
>> +struct dw_hdmi_plat_data {
>> +	enum dw_hdmi_devtype dev_type;
>> +	const struct mpll_config *mpll_cfg;
>> +	const struct curr_ctrl *cur_ctr;
>> +	const struct sym_term *sym_term;
>> +};
>> +
>> +void dw_hdmi_unbind(struct device *dev, struct device *master, void *data);
>> +int dw_hdmi_bind(struct device *dev, struct device *master,
>> +		 void *data, struct drm_encoder *encoder,
>> +		 const struct dw_hdmi_plat_data *plat_data);
>> +#endif /* __IMX_HDMI_H__ */
> regards
> Philipp
>
>
> _______________________________________________
> Linux-rockchip mailing list
> Linux-rockchip@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-rockchip
>
>
>

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