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Date:   Mon, 1 Feb 2021 15:40:07 +0200
From:   Sakari Ailus <sakari.ailus@iki.fi>
To:     Robert Foss <robert.foss@linaro.org>
Cc:     agross@kernel.org, bjorn.andersson@linaro.org, todor.too@gmail.com,
        mchehab@kernel.org, robh+dt@kernel.org, catalin.marinas@arm.com,
        will@kernel.org, shawnguo@kernel.org, leoyang.li@nxp.com,
        geert+renesas@glider.be, arnd@arndb.de, Anson.Huang@nxp.com,
        michael@walle.cc, agx@sigxcpu.org, max.oss.09@gmail.com,
        angelogioacchino.delregno@somainline.org,
        linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        AngeloGioacchino Del Regno <kholk11@gmail.com>,
        Rob Herring <robh@kernel.org>,
        Andrey Konovalov <andrey.konovalov@linaro.org>,
        Tomasz Figa <tfiga@chromium.org>,
        Azam Sadiq Pasha Kapatrala Syed <akapatra@quicinc.com>,
        Sarvesh Sridutt <Sarvesh.Sridutt@smartwirelesscompute.com>,
        Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
        Jonathan Marek <jonathan@marek.ca>
Subject: Re: [PATCH v3 10/22] media: camss: Add support for CSIPHY hardware
 version Titan 170
Message-ID: <20210201134007.GE3@valkosipuli.retiisi.org.uk>
References: <20210127144930.2158242-1-robert.foss@linaro.org>
 <20210127144930.2158242-11-robert.foss@linaro.org>
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In-Reply-To: <20210127144930.2158242-11-robert.foss@linaro.org>
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Hi Robert,

On Wed, Jan 27, 2021 at 03:49:18PM +0100, Robert Foss wrote:
> Add register definitions for version 170 of the Titan architecture
> and implement support for the CSIPHY subdevice.
> 
> Signed-off-by: Robert Foss <robert.foss@linaro.org>
> ---
>  .../qcom/camss/camss-csiphy-3ph-1-0.c         | 182 ++++++++++++++++--
>  .../media/platform/qcom/camss/camss-csiphy.c  |  66 +++++--
>  drivers/media/platform/qcom/camss/camss.c     |  74 +++++++
>  3 files changed, 290 insertions(+), 32 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
> index 97cb9de85031..8cf1440b7d70 100644
> --- a/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
> +++ b/drivers/media/platform/qcom/camss/camss-csiphy-3ph-1-0.c
> @@ -47,6 +47,105 @@
>  #define CSIPHY_3PH_CMN_CSI_COMMON_CTRL6_SHOW_REV_ID	BIT(1)
>  #define CSIPHY_3PH_CMN_CSI_COMMON_STATUSn(n)	(0x8b0 + 0x4 * (n))
>  
> +#define CSIPHY_DEFAULT_PARAMS            0
> +#define CSIPHY_LANE_ENABLE               1
> +#define CSIPHY_SETTLE_CNT_LOWER_BYTE     2
> +#define CSIPHY_SETTLE_CNT_HIGHER_BYTE    3
> +#define CSIPHY_DNP_PARAMS                4
> +#define CSIPHY_2PH_REGS                  5
> +#define CSIPHY_3PH_REGS                  6
> +
> +struct csiphy_reg_t {
> +	int32_t  reg_addr;
> +	int32_t  reg_data;
> +	int32_t  delay;
> +	uint32_t csiphy_param_type;
> +};
> +
> +static struct

This should be const.

> +csiphy_reg_t lane_regs_sdm845[5][14] = {
> +	{
> +		{0x0004, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x002C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0034, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x001C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0014, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0028, 0x00, 0x00, CSIPHY_DNP_PARAMS},
> +		{0x003C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0000, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0008, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
> +		{0x000c, 0x00, 0x00, CSIPHY_DNP_PARAMS},
> +		{0x0010, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0038, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0060, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0064, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +	},
> +	{
> +		{0x0704, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x072C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0734, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x071C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0714, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0728, 0x04, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x073C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0700, 0x80, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0708, 0x14, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
> +		{0x070C, 0xA5, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0710, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0738, 0x1F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0760, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0764, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +	},
> +	{
> +		{0x0204, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x022C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0234, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x021C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0214, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0228, 0x00, 0x00, CSIPHY_DNP_PARAMS},
> +		{0x023C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0200, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0208, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
> +		{0x020C, 0x00, 0x00, CSIPHY_DNP_PARAMS},
> +		{0x0210, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0238, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0260, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0264, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +	},
> +	{
> +		{0x0404, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x042C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0434, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x041C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0414, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0428, 0x00, 0x00, CSIPHY_DNP_PARAMS},
> +		{0x043C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0400, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0408, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
> +		{0x040C, 0x00, 0x00, CSIPHY_DNP_PARAMS},
> +		{0x0410, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0438, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0460, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0464, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +	},
> +	{
> +		{0x0604, 0x0C, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x062C, 0x01, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0634, 0x0F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x061C, 0x0A, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0614, 0x60, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0628, 0x00, 0x00, CSIPHY_DNP_PARAMS},
> +		{0x063C, 0xB8, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0600, 0x91, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0608, 0x00, 0x00, CSIPHY_SETTLE_CNT_LOWER_BYTE},
> +		{0x060C, 0x00, 0x00, CSIPHY_DNP_PARAMS},
> +		{0x0610, 0x52, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0638, 0xFE, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0660, 0x00, 0x00, CSIPHY_DEFAULT_PARAMS},
> +		{0x0664, 0x7F, 0x00, CSIPHY_DEFAULT_PARAMS},
> +	},
> +};

-- 
Sakari Ailus