On Sat, Apr 13, 2019 at 4:25 AM Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> wrote:
>
> On Mon, 2019-04-01 at 12:14 +0900, Tomasz Figa wrote:
> > On Tue, Mar 5, 2019 at 4:27 AM Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> wrote:
> > > Rework the way controls are registered by the driver,
> > > so it can support non-standard controls, such as those
> > > used by stateless codecs.
> > >
> > > Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx>
> > > ---
> > > .../media/rockchip/vpu/rk3288_vpu_hw.c | 2 +-
> > > .../media/rockchip/vpu/rk3399_vpu_hw.c | 2 +-
> > > .../staging/media/rockchip/vpu/rockchip_vpu.h | 24 ++++++-
> > > .../media/rockchip/vpu/rockchip_vpu_common.h | 1 +
> > > .../media/rockchip/vpu/rockchip_vpu_drv.c | 65 +++++++++++++++++--
> > > 5 files changed, 84 insertions(+), 10 deletions(-)
> > >
> > > diff --git a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c
> > > index 056ee017c798..630eded99c68 100644
> > > --- a/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c
> > > +++ b/drivers/staging/media/rockchip/vpu/rk3288_vpu_hw.c
> > > @@ -112,7 +112,7 @@ const struct rockchip_vpu_variant rk3288_vpu_variant = {
> > > .enc_fmts = rk3288_vpu_enc_fmts,
> > > .num_enc_fmts = ARRAY_SIZE(rk3288_vpu_enc_fmts),
> > > .codec_ops = rk3288_vpu_codec_ops,
> > > - .codec = RK_VPU_CODEC_JPEG,
> > > + .codec = RK_VPU_JPEG_ENCODER,
> > > .vepu_irq = rk3288_vepu_irq,
> > > .init = rk3288_vpu_hw_init,
> > > .clk_names = {"aclk", "hclk"},
> > > diff --git a/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c b/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c
> > > index 0263584e616d..9eae1e6f1393 100644
> > > --- a/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c
> > > +++ b/drivers/staging/media/rockchip/vpu/rk3399_vpu_hw.c
> > > @@ -129,7 +129,7 @@ const struct rockchip_vpu_variant rk3399_vpu_variant = {
> > > .enc_offset = 0x0,
> > > .enc_fmts = rk3399_vpu_enc_fmts,
> > > .num_enc_fmts = ARRAY_SIZE(rk3399_vpu_enc_fmts),
> > > - .codec = RK_VPU_CODEC_JPEG,
> > > + .codec = RK_VPU_JPEG_ENCODER,
> > > .codec_ops = rk3399_vpu_codec_ops,
> > > .vepu_irq = rk3399_vepu_irq,
> > > .vdpu_irq = rk3399_vdpu_irq,
> > > diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu.h b/drivers/staging/media/rockchip/vpu/rockchip_vpu.h
> > > index b383c89ecc17..a90fc2dfae99 100644
> > > --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu.h
> > > +++ b/drivers/staging/media/rockchip/vpu/rockchip_vpu.h
> > > @@ -25,6 +25,7 @@
> > >
> > > #include "rockchip_vpu_hw.h"
> > >
> > > +#define ROCKCHIP_VPU_MAX_CTRLS 32
> > > #define ROCKCHIP_VPU_MAX_CLOCKS 4
> > >
> > > #define JPEG_MB_DIM 16
> > > @@ -34,7 +35,10 @@
> > > struct rockchip_vpu_ctx;
> > > struct rockchip_vpu_codec_ops;
> > >
> > > -#define RK_VPU_CODEC_JPEG BIT(0)
> > > +#define RK_VPU_JPEG_ENCODER BIT(0)
> > > +#define RK_VPU_ENCODERS 0x0000ffff
> > > +
> > > +#define RK_VPU_DECODERS 0xffff0000
> > >
> > > /**
> > > * struct rockchip_vpu_variant - information about VPU hardware variant
> > > @@ -79,6 +83,20 @@ enum rockchip_vpu_codec_mode {
> > > RK_VPU_MODE_JPEG_ENC,
> > > };
> > >
> > > +/*
> > > + * struct rockchip_vpu_ctrl - helper type to declare supported controls
> > > + * @id: V4L2 control ID (V4L2_CID_xxx)
> > > + * @is_std: boolean to distinguish standard from customs control.
> > > + * @codec: codec id this control belong to (RK_VPU_JPEG_ENCODER, etc.)
> > > + * @cfg: control configuration
> > > + */
> > > +struct rockchip_vpu_ctrl {
> > > + unsigned int id;
> > > + unsigned int is_std;
> >
> > Perhaps is_custom would make more sense? I'd expect most, if not all,
> > of the controls to be standard. (Actually I wonder why the MPEG2
> > controls are not standard.)
> >
>
> Maybe is_std is misleading. The idea was just to distinguish
> controls that can be registered with v4l2_ctrl_new_std,
> from those that need v4l2_ctrl_new_custom, not because the control
> is non-standard, but because it takes a custom v4l2_ctrl_config.
>
> Maybe the is_std flag can be completely removed, and instead
> use cfg.elem_size to distinguish the two type of controls.
>
I see. Then I guess the flag makes sense, but perhaps it could be
inverted and renamed to "has_custom_cfg"?
Best regards,
Tomasz
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