[PATCH 5/7] media: verisilicon: Add Rockchip VPU720 JPEG decoder

Sascha Hauer s.hauer at pengutronix.de
Thu Aug 20 03:03:51 PDT 2026


On 2026-08-19 11:48, Nicolas Dufresne wrote:
> Hi Sascha,
> 
> Le mercredi 19 août 2026 à 12:37 +0200, Sascha Hauer a écrit :
> > +/* ------------------------------------------------------------------ */
> > +/* Register byte offsets from dec_base                                 */
> > +/* ------------------------------------------------------------------ */
> > +
> > +/* REG0: IP version / product ID */
> > +#define VDPU720_REG_VERSION		0x000
> > +#define VDPU720_PROD_NUM		GENMASK(31, 16)
> > +#define VDPU720_BIT_DEPTH		BIT(8)
> 
> Can you share a dump and share these register reset values. Looking at the
> layout, clearly its highly modified, but probably derived from VSI multi-codec,
> but I'm thinking perhaps we'll learn more from that. Its always nice to justify
> when adding more chips that are not strictly VSI designs (or maybe it is) to the
> hantro dirver.

Here's a full register dump right after reset:

00000000: db1f0005 00000004 00120000 00000000
00000010: 00004400 00000000 00000000 00000000
00000020: 00000000 00000000 00000000 00000000
00000030: 00000000 00000000 00000000 00000000
00000040: 000000ff 00000000 00000000 00000000
00000050: 00000000 00000000 00000000 00000000
00000060: 00000000 00000000 00000000 00000000
00000070: 00000000 00000000 000000a8 00000001
00000080: 00200000 00080f06 00000000 00000000
00000090: 00000000 00000000 00000000 00000000
000000a0: 00040000 00001556 00000000 00000000
000000b0: 00000000 00000000 00000000 00000000
...
000003f0: 00000000 00000000 00000000 00000000

Sascha

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