linux-kernel - Re: [PATCH 4/4] ARM: davinci: add pdata-quirks for da850-evm vpif display

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Date:   Fri, 17 Feb 2017 14:34:35 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Sekhar Nori <nsekhar@...com>
Cc:     David Lechner <david@...hnology.com>,
        Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Patrick Titiano <ptitiano@...libre.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Russell King <linux@...linux.org.uk>,
        LKML <linux-kernel@...r.kernel.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 4/4] ARM: davinci: add pdata-quirks for da850-evm vpif display

2017-02-17 14:15 GMT+01:00 Sekhar Nori <nsekhar@...com>:
> On Thursday 16 February 2017 11:51 PM, Bartosz Golaszewski wrote:
>> Similarly to vpif capture: we need to register the vpif display driver
>> and the corresponding adv7343 encoder in pdata-quirks as the DT
>> support is not complete - there isn't currently a way to define the
>> output_routing in the V4L2 drivers (c.f. s_routing) via DT.
>>
>> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
>> Reviewed-by: Kevin Hilman <khilman@...libre.com>
>> ---
>>  arch/arm/mach-davinci/pdata-quirks.c | 69 +++++++++++++++++++++++++++++++++++-
>>  1 file changed, 68 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm/mach-davinci/pdata-quirks.c b/arch/arm/mach-davinci/pdata-quirks.c
>> index 3ca773f..c659c76 100644
>> --- a/arch/arm/mach-davinci/pdata-quirks.c
>> +++ b/arch/arm/mach-davinci/pdata-quirks.c
>
>> +#endif /* IS_ENABLED(CONFIG_VIDEO_DAVINCI_VPIF_CAPTURE) */
>>
>> +#if IS_ENABLED(CONFIG_DA850_UI_SD_VIDEO_PORT)
>> +static struct adv7343_platform_data adv7343_pdata = {
>> +     .mode_config = {
>> +             .dac = { 1, 1, 1 },
>> +     },
>> +     .sd_config = {
>> +             .sd_dac_out = { 1 },
>> +     },
>> +};
>> +
>> +static struct vpif_subdev_info da850_vpif_subdev[] = {
>> +     {
>> +             .name = "adv7343",
>> +             .board_info = {
>> +                     I2C_BOARD_INFO("adv7343", 0x2a),
>> +                     .platform_data = &adv7343_pdata,
>> +             },
>> +     },
>> +};
>> +
>> +static const struct vpif_output da850_ch0_outputs[] = {
>> +     {
>> +             .output = {
>> +                     .index = 0,
>> +                     .name = "Composite",
>> +                     .type = V4L2_OUTPUT_TYPE_ANALOG,
>> +                     .capabilities = V4L2_OUT_CAP_STD,
>> +                     .std = V4L2_STD_ALL,
>> +             },
>> +             .subdev_name = "adv7343",
>> +             .output_route = ADV7343_COMPOSITE_ID,
>> +     },
>> +     {
>> +             .output = {
>> +                     .index = 1,
>> +                     .name = "S-Video",
>> +                     .type = V4L2_OUTPUT_TYPE_ANALOG,
>> +                     .capabilities = V4L2_OUT_CAP_STD,
>> +                     .std = V4L2_STD_ALL,
>> +             },
>> +             .subdev_name = "adv7343",
>> +             .output_route = ADV7343_SVIDEO_ID,
>> +     },
>> +};
>> +
>> +static struct vpif_display_config da850_vpif_display_config = {
>> +     .subdevinfo   = da850_vpif_subdev,
>> +     .subdev_count = ARRAY_SIZE(da850_vpif_subdev),
>> +     .chan_config[0] = {
>> +             .outputs = da850_ch0_outputs,
>> +             .output_count = ARRAY_SIZE(da850_ch0_outputs),
>> +     },
>> +     .card_name    = "DA850/OMAP-L138 Video Display",
>> +};
>> +#endif /* defined(CONFIG_DA850_UI_SD_VIDEO_PORT) */
>> +
>> +#if IS_ENABLED(CONFIG_VIDEO_DAVINCI_VPIF_CAPTURE) || IS_ENABLED(CONFIG_DA850_UI_SD_VIDEO_PORT)
>>  static void __init da850_vpif_legacy_init(void)
>>  {
>>       int ret;
>> @@ -119,8 +178,16 @@ static void __init da850_vpif_legacy_init(void)
>>       if (ret)
>>               pr_warn("%s: VPIF capture setup failed: %d\n",
>>                       __func__, ret);
>> +
>> +     /* LCDK doesn't support VPIF display */
>> +     if (of_machine_is_compatible("ti,da850-evm")) {
>> +             ret = da850_register_vpif_display(&da850_vpif_display_config);
>
> This fails to build when CONFIG_DA850_UI_SD_VIDEO_PORT is switched off.
> Probably means you need separate functions for registering capture and
> display parts.
>
> I haven't reviewed rest of the patchset yet. Just noticed these while
> applying them for some testing. You may want to wait sometime before
> sending the next version.
>
> Thanks,
> Sekhar
>

Eek! My bad, didn't test different configs with that.

Thanks,
Bartosz