| Message ID | 20220419181757.63346-4-biju.das.jz@bp.renesas.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add support for RZ/G2L VSPD | expand |
Hi Biju, On Tue, Apr 19, 2022 at 8:18 PM Biju Das <biju.das.jz@bp.renesas.com> wrote: > The VSPD block on RZ/G2L does not have a version register. > > This patch adds support for adding VSP software version based on > device match. > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > --- > v8: > * New patch Thanks for your patch! > --- a/drivers/media/platform/renesas/vsp1/vsp1_drv.c > +++ b/drivers/media/platform/renesas/vsp1/vsp1_drv.c > @@ -812,11 +812,43 @@ static const struct vsp1_device_info vsp1_device_infos[] = { > }, > }; > > +static const struct vsp1_device_info *vsp1_lookup_info(struct vsp1_device *vsp1) > +{ > + const struct vsp1_device_info *info; > + unsigned int i; > + > + /* > + * Try the info stored in match data first for devices that don't have > + * a version register. > + */ > + info = of_device_get_match_data(vsp1->dev); > + if (info) { > + vsp1->version = VI6_IP_VERSION_VSP_SW | info->version | info->soc; > + return info; > + } > + > + vsp1->version = vsp1_read(vsp1, VI6_IP_VERSION); > + > + for (i = 0; i < ARRAY_SIZE(vsp1_device_infos); ++i) { > + info = &vsp1_device_infos[i]; > + > + if ((vsp1->version & VI6_IP_VERSION_MODEL_MASK) == info->version) > + break; return info? ... > + } > + > + if (i == ARRAY_SIZE(vsp1_device_infos)) { ... so this check is no longer needed. > + dev_err(vsp1->dev, "unsupported IP version 0x%08x\n", > + vsp1->version); > + return NULL; > + } > + > + return info; > +} Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
Hi Geert, Thanks for the feedback. > Subject: Re: [PATCH v8 3/5] media: renesas: vsp1: Add support for VSP > software version > > Hi Biju, > > On Tue, Apr 19, 2022 at 8:18 PM Biju Das <biju.das.jz@bp.renesas.com> > wrote: > > The VSPD block on RZ/G2L does not have a version register. Will update RZ/G2L->RZ/G2L SoCs > > > > This patch adds support for adding VSP software version based on > > device match. > > > > Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> > > --- > > v8: > > * New patch > > Thanks for your patch! > > > --- a/drivers/media/platform/renesas/vsp1/vsp1_drv.c > > +++ b/drivers/media/platform/renesas/vsp1/vsp1_drv.c > > @@ -812,11 +812,43 @@ static const struct vsp1_device_info > vsp1_device_infos[] = { > > }, > > }; > > > > +static const struct vsp1_device_info *vsp1_lookup_info(struct > > +vsp1_device *vsp1) { > > + const struct vsp1_device_info *info; > > + unsigned int i; > > + > > + /* > > + * Try the info stored in match data first for devices that > don't have > > + * a version register. > > + */ > > + info = of_device_get_match_data(vsp1->dev); > > + if (info) { > > + vsp1->version = VI6_IP_VERSION_VSP_SW | info->version | > info->soc; > > + return info; > > + } > > + > > + vsp1->version = vsp1_read(vsp1, VI6_IP_VERSION); > > + > > + for (i = 0; i < ARRAY_SIZE(vsp1_device_infos); ++i) { > > + info = &vsp1_device_infos[i]; > > + > > + if ((vsp1->version & VI6_IP_VERSION_MODEL_MASK) == info- > >version) > > + break; > > return info? ... OK. > > > + } > > + > > + if (i == ARRAY_SIZE(vsp1_device_infos)) { > > ... so this check is no longer needed. OK. Will fix this in next version. Cheers, Biju > > > + dev_err(vsp1->dev, "unsupported IP version 0x%08x\n", > > + vsp1->version); > > + return NULL; > > + } > > + > > + return info; > > +} > > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux- > m68k.org > > In personal conversations with technical people, I call myself a hacker. > But when I'm talking to journalists I just say "programmer" or something > like that. > -- Linus Torvalds
diff --git a/drivers/media/platform/renesas/vsp1/vsp1.h b/drivers/media/platform/renesas/vsp1/vsp1.h index baf898d577ec..ff4435705abb 100644 --- a/drivers/media/platform/renesas/vsp1/vsp1.h +++ b/drivers/media/platform/renesas/vsp1/vsp1.h @@ -67,6 +67,7 @@ struct vsp1_device_info { unsigned int uif_count; unsigned int wpf_count; unsigned int num_bru_inputs; + u8 soc; bool uapi; }; diff --git a/drivers/media/platform/renesas/vsp1/vsp1_drv.c b/drivers/media/platform/renesas/vsp1/vsp1_drv.c index 159b68fa0829..c2e242c503d2 100644 --- a/drivers/media/platform/renesas/vsp1/vsp1_drv.c +++ b/drivers/media/platform/renesas/vsp1/vsp1_drv.c @@ -812,11 +812,43 @@ static const struct vsp1_device_info vsp1_device_infos[] = { }, }; +static const struct vsp1_device_info *vsp1_lookup_info(struct vsp1_device *vsp1) +{ + const struct vsp1_device_info *info; + unsigned int i; + + /* + * Try the info stored in match data first for devices that don't have + * a version register. + */ + info = of_device_get_match_data(vsp1->dev); + if (info) { + vsp1->version = VI6_IP_VERSION_VSP_SW | info->version | info->soc; + return info; + } + + vsp1->version = vsp1_read(vsp1, VI6_IP_VERSION); + + for (i = 0; i < ARRAY_SIZE(vsp1_device_infos); ++i) { + info = &vsp1_device_infos[i]; + + if ((vsp1->version & VI6_IP_VERSION_MODEL_MASK) == info->version) + break; + } + + if (i == ARRAY_SIZE(vsp1_device_infos)) { + dev_err(vsp1->dev, "unsupported IP version 0x%08x\n", + vsp1->version); + return NULL; + } + + return info; +} + static int vsp1_probe(struct platform_device *pdev) { struct vsp1_device *vsp1; struct device_node *fcp_node; - unsigned int i; int ret; int irq; @@ -872,19 +904,8 @@ static int vsp1_probe(struct platform_device *pdev) if (ret < 0) goto done; - vsp1->version = vsp1_read(vsp1, VI6_IP_VERSION); - - for (i = 0; i < ARRAY_SIZE(vsp1_device_infos); ++i) { - if ((vsp1->version & VI6_IP_VERSION_MODEL_MASK) == - vsp1_device_infos[i].version) { - vsp1->info = &vsp1_device_infos[i]; - break; - } - } - + vsp1->info = vsp1_lookup_info(vsp1); if (!vsp1->info) { - dev_err(&pdev->dev, "unsupported IP version 0x%08x\n", - vsp1->version); vsp1_device_put(vsp1); ret = -ENXIO; goto done; diff --git a/drivers/media/platform/renesas/vsp1/vsp1_regs.h b/drivers/media/platform/renesas/vsp1/vsp1_regs.h index fae7286eb01e..4286d13eca32 100644 --- a/drivers/media/platform/renesas/vsp1/vsp1_regs.h +++ b/drivers/media/platform/renesas/vsp1/vsp1_regs.h @@ -781,6 +781,8 @@ #define VI6_IP_VERSION_SOC_E3 (0x04 << 0) #define VI6_IP_VERSION_SOC_V3U (0x05 << 0) +#define VI6_IP_VERSION_VSP_SW (0xfffe << 16) /* SW VSP version */ + /* ----------------------------------------------------------------------------- * RPF CLUT Registers */
The VSPD block on RZ/G2L does not have a version register. This patch adds support for adding VSP software version based on device match. Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> --- v8: * New patch --- drivers/media/platform/renesas/vsp1/vsp1.h | 1 + .../media/platform/renesas/vsp1/vsp1_drv.c | 47 ++++++++++++++----- .../media/platform/renesas/vsp1/vsp1_regs.h | 2 + 3 files changed, 37 insertions(+), 13 deletions(-)