| Message ID | 20240106160221.4183409-4-paul.elder@ideasonboard.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | media: rkisp1: Add support for i.MX8MP | expand |
On 06/01/2024 18:02, Paul Elder wrote: > Some versions of the ISP supported by the rkisp1 driver, such as the ISP > in the i.MX8MP, lack the self path. Support those ISP versions by adding > a self path feature flag, and massage the rest of the driver to support > the lack of a self path. > > Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> > Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com> > Tested-by: Adam Ford <aford173@gmail.com> > --- > Changes since v3: > > - Document the feature bit > - Reorder commit > > Changes since v2: > > - Simplify rkisp1_path_count() > - Use the rkisp1_has_feature() macro > --- > .../platform/rockchip/rkisp1/rkisp1-capture.c | 9 ++++++--- > .../platform/rockchip/rkisp1/rkisp1-common.h | 15 +++++++++++++++ > .../media/platform/rockchip/rkisp1/rkisp1-dev.c | 9 ++++++--- > .../platform/rockchip/rkisp1/rkisp1-resizer.c | 6 ++++-- > 4 files changed, 31 insertions(+), 8 deletions(-) Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> Tomi > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c > index 83a968487f24..ca95f62822fa 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c > @@ -730,6 +730,7 @@ irqreturn_t rkisp1_capture_isr(int irq, void *ctx) > { > struct device *dev = ctx; > struct rkisp1_device *rkisp1 = dev_get_drvdata(dev); > + unsigned int dev_count = rkisp1_path_count(rkisp1); > unsigned int i; > u32 status; > > @@ -742,7 +743,7 @@ irqreturn_t rkisp1_capture_isr(int irq, void *ctx) > > rkisp1_write(rkisp1, RKISP1_CIF_MI_ICR, status); > > - for (i = 0; i < ARRAY_SIZE(rkisp1->capture_devs); ++i) { > + for (i = 0; i < dev_count; ++i) { > struct rkisp1_capture *cap = &rkisp1->capture_devs[i]; > > if (!(status & RKISP1_CIF_MI_FRAME(cap))) > @@ -899,6 +900,7 @@ static void rkisp1_cap_stream_enable(struct rkisp1_capture *cap) > { > struct rkisp1_device *rkisp1 = cap->rkisp1; > struct rkisp1_capture *other = &rkisp1->capture_devs[cap->id ^ 1]; > + bool has_self_path = rkisp1_has_feature(rkisp1, SELF_PATH); > > cap->ops->set_data_path(cap); > cap->ops->config(cap); > @@ -916,7 +918,7 @@ static void rkisp1_cap_stream_enable(struct rkisp1_capture *cap) > * This's also required because the second FE maybe corrupt > * especially when run at 120fps. > */ > - if (!other->is_streaming) { > + if (!has_self_path || !other->is_streaming) { > /* force cfg update */ > rkisp1_write(rkisp1, RKISP1_CIF_MI_INIT, > RKISP1_CIF_MI_INIT_SOFT_UPD); > @@ -1509,10 +1511,11 @@ rkisp1_capture_init(struct rkisp1_device *rkisp1, enum rkisp1_stream_id id) > > int rkisp1_capture_devs_register(struct rkisp1_device *rkisp1) > { > + unsigned int dev_count = rkisp1_path_count(rkisp1); > unsigned int i; > int ret; > > - for (i = 0; i < ARRAY_SIZE(rkisp1->capture_devs); i++) { > + for (i = 0; i < dev_count; i++) { > struct rkisp1_capture *cap = &rkisp1->capture_devs[i]; > > rkisp1_capture_init(rkisp1, i); > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > index 6a811b7ef1b9..f7c251f79aa9 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > @@ -111,6 +111,7 @@ enum rkisp1_isp_pad { > * > * @RKISP1_FEATURE_MIPI_CSI2: The ISP has an internal MIPI CSI-2 receiver > * @RKISP1_FEATURE_MAIN_STRIDE: The ISP supports configurable stride on the main path > + * @RKISP1_FEATURE_SELF_PATH: The ISP has a self path > * > * The ISP features are stored in a bitmask in &rkisp1_info.features and allow > * the driver to implement support for features present in some ISP versions > @@ -119,6 +120,7 @@ enum rkisp1_isp_pad { > enum rkisp1_feature { > RKISP1_FEATURE_MIPI_CSI2 = BIT(0), > RKISP1_FEATURE_MAIN_STRIDE = BIT(1), > + RKISP1_FEATURE_SELF_PATH = BIT(2), > }; > > #define rkisp1_has_feature(rkisp1, feature) \ > @@ -531,6 +533,19 @@ int rkisp1_cap_enum_mbus_codes(struct rkisp1_capture *cap, > */ > const struct rkisp1_mbus_info *rkisp1_mbus_info_get_by_index(unsigned int index); > > +/* > + * rkisp1_path_count - Return the number of paths supported by the device > + * > + * Some devices only have a main path, while other device have both a main path > + * and a self path. This function returns the number of paths that this device > + * has, based on the feature flags. It should be used insted of checking > + * ARRAY_SIZE of capture_devs/resizer_devs. > + */ > +static inline unsigned int rkisp1_path_count(struct rkisp1_device *rkisp1) > +{ > + return rkisp1_has_feature(rkisp1, SELF_PATH) ? 2 : 1; > +} > + > /* > * rkisp1_sd_adjust_crop_rect - adjust a rectangle to fit into another rectangle. > * > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c > index 44b753026ba2..106040c4181c 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c > @@ -358,6 +358,7 @@ static const struct dev_pm_ops rkisp1_pm_ops = { > > static int rkisp1_create_links(struct rkisp1_device *rkisp1) > { > + unsigned int dev_count = rkisp1_path_count(rkisp1); > unsigned int i; > int ret; > > @@ -373,7 +374,7 @@ static int rkisp1_create_links(struct rkisp1_device *rkisp1) > } > > /* create ISP->RSZ->CAP links */ > - for (i = 0; i < 2; i++) { > + for (i = 0; i < dev_count; i++) { > struct media_entity *resizer = > &rkisp1->resizer_devs[i].sd.entity; > struct media_entity *capture = > @@ -505,7 +506,8 @@ static const struct rkisp1_info px30_isp_info = { > .isrs = px30_isp_isrs, > .isr_size = ARRAY_SIZE(px30_isp_isrs), > .isp_ver = RKISP1_V12, > - .features = RKISP1_FEATURE_MIPI_CSI2, > + .features = RKISP1_FEATURE_MIPI_CSI2 > + | RKISP1_FEATURE_SELF_PATH, > }; > > static const char * const rk3399_isp_clks[] = { > @@ -524,7 +526,8 @@ static const struct rkisp1_info rk3399_isp_info = { > .isrs = rk3399_isp_isrs, > .isr_size = ARRAY_SIZE(rk3399_isp_isrs), > .isp_ver = RKISP1_V10, > - .features = RKISP1_FEATURE_MIPI_CSI2, > + .features = RKISP1_FEATURE_MIPI_CSI2 > + | RKISP1_FEATURE_SELF_PATH, > }; > > static const struct of_device_id rkisp1_of_match[] = { > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c > index a8e377701302..dd77a31e6014 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c > @@ -631,6 +631,7 @@ static int rkisp1_rsz_s_stream(struct v4l2_subdev *sd, int enable) > struct rkisp1_device *rkisp1 = rsz->rkisp1; > struct rkisp1_capture *other = &rkisp1->capture_devs[rsz->id ^ 1]; > enum rkisp1_shadow_regs_when when = RKISP1_SHADOW_REGS_SYNC; > + bool has_self_path = rkisp1_has_feature(rkisp1, SELF_PATH); > struct v4l2_subdev_state *sd_state; > > if (!enable) { > @@ -639,7 +640,7 @@ static int rkisp1_rsz_s_stream(struct v4l2_subdev *sd, int enable) > return 0; > } > > - if (other->is_streaming) > + if (has_self_path && other->is_streaming) > when = RKISP1_SHADOW_REGS_ASYNC; > > sd_state = v4l2_subdev_lock_and_get_active_state(sd); > @@ -731,10 +732,11 @@ static int rkisp1_rsz_register(struct rkisp1_resizer *rsz) > > int rkisp1_resizer_devs_register(struct rkisp1_device *rkisp1) > { > + unsigned int dev_count = rkisp1_path_count(rkisp1); > unsigned int i; > int ret; > > - for (i = 0; i < ARRAY_SIZE(rkisp1->resizer_devs); i++) { > + for (i = 0; i < dev_count; i++) { > struct rkisp1_resizer *rsz = &rkisp1->resizer_devs[i]; > > rsz->rkisp1 = rkisp1;
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c index 83a968487f24..ca95f62822fa 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c @@ -730,6 +730,7 @@ irqreturn_t rkisp1_capture_isr(int irq, void *ctx) { struct device *dev = ctx; struct rkisp1_device *rkisp1 = dev_get_drvdata(dev); + unsigned int dev_count = rkisp1_path_count(rkisp1); unsigned int i; u32 status; @@ -742,7 +743,7 @@ irqreturn_t rkisp1_capture_isr(int irq, void *ctx) rkisp1_write(rkisp1, RKISP1_CIF_MI_ICR, status); - for (i = 0; i < ARRAY_SIZE(rkisp1->capture_devs); ++i) { + for (i = 0; i < dev_count; ++i) { struct rkisp1_capture *cap = &rkisp1->capture_devs[i]; if (!(status & RKISP1_CIF_MI_FRAME(cap))) @@ -899,6 +900,7 @@ static void rkisp1_cap_stream_enable(struct rkisp1_capture *cap) { struct rkisp1_device *rkisp1 = cap->rkisp1; struct rkisp1_capture *other = &rkisp1->capture_devs[cap->id ^ 1]; + bool has_self_path = rkisp1_has_feature(rkisp1, SELF_PATH); cap->ops->set_data_path(cap); cap->ops->config(cap); @@ -916,7 +918,7 @@ static void rkisp1_cap_stream_enable(struct rkisp1_capture *cap) * This's also required because the second FE maybe corrupt * especially when run at 120fps. */ - if (!other->is_streaming) { + if (!has_self_path || !other->is_streaming) { /* force cfg update */ rkisp1_write(rkisp1, RKISP1_CIF_MI_INIT, RKISP1_CIF_MI_INIT_SOFT_UPD); @@ -1509,10 +1511,11 @@ rkisp1_capture_init(struct rkisp1_device *rkisp1, enum rkisp1_stream_id id) int rkisp1_capture_devs_register(struct rkisp1_device *rkisp1) { + unsigned int dev_count = rkisp1_path_count(rkisp1); unsigned int i; int ret; - for (i = 0; i < ARRAY_SIZE(rkisp1->capture_devs); i++) { + for (i = 0; i < dev_count; i++) { struct rkisp1_capture *cap = &rkisp1->capture_devs[i]; rkisp1_capture_init(rkisp1, i); diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h index 6a811b7ef1b9..f7c251f79aa9 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h @@ -111,6 +111,7 @@ enum rkisp1_isp_pad { * * @RKISP1_FEATURE_MIPI_CSI2: The ISP has an internal MIPI CSI-2 receiver * @RKISP1_FEATURE_MAIN_STRIDE: The ISP supports configurable stride on the main path + * @RKISP1_FEATURE_SELF_PATH: The ISP has a self path * * The ISP features are stored in a bitmask in &rkisp1_info.features and allow * the driver to implement support for features present in some ISP versions @@ -119,6 +120,7 @@ enum rkisp1_isp_pad { enum rkisp1_feature { RKISP1_FEATURE_MIPI_CSI2 = BIT(0), RKISP1_FEATURE_MAIN_STRIDE = BIT(1), + RKISP1_FEATURE_SELF_PATH = BIT(2), }; #define rkisp1_has_feature(rkisp1, feature) \ @@ -531,6 +533,19 @@ int rkisp1_cap_enum_mbus_codes(struct rkisp1_capture *cap, */ const struct rkisp1_mbus_info *rkisp1_mbus_info_get_by_index(unsigned int index); +/* + * rkisp1_path_count - Return the number of paths supported by the device + * + * Some devices only have a main path, while other device have both a main path + * and a self path. This function returns the number of paths that this device + * has, based on the feature flags. It should be used insted of checking + * ARRAY_SIZE of capture_devs/resizer_devs. + */ +static inline unsigned int rkisp1_path_count(struct rkisp1_device *rkisp1) +{ + return rkisp1_has_feature(rkisp1, SELF_PATH) ? 2 : 1; +} + /* * rkisp1_sd_adjust_crop_rect - adjust a rectangle to fit into another rectangle. * diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c index 44b753026ba2..106040c4181c 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c @@ -358,6 +358,7 @@ static const struct dev_pm_ops rkisp1_pm_ops = { static int rkisp1_create_links(struct rkisp1_device *rkisp1) { + unsigned int dev_count = rkisp1_path_count(rkisp1); unsigned int i; int ret; @@ -373,7 +374,7 @@ static int rkisp1_create_links(struct rkisp1_device *rkisp1) } /* create ISP->RSZ->CAP links */ - for (i = 0; i < 2; i++) { + for (i = 0; i < dev_count; i++) { struct media_entity *resizer = &rkisp1->resizer_devs[i].sd.entity; struct media_entity *capture = @@ -505,7 +506,8 @@ static const struct rkisp1_info px30_isp_info = { .isrs = px30_isp_isrs, .isr_size = ARRAY_SIZE(px30_isp_isrs), .isp_ver = RKISP1_V12, - .features = RKISP1_FEATURE_MIPI_CSI2, + .features = RKISP1_FEATURE_MIPI_CSI2 + | RKISP1_FEATURE_SELF_PATH, }; static const char * const rk3399_isp_clks[] = { @@ -524,7 +526,8 @@ static const struct rkisp1_info rk3399_isp_info = { .isrs = rk3399_isp_isrs, .isr_size = ARRAY_SIZE(rk3399_isp_isrs), .isp_ver = RKISP1_V10, - .features = RKISP1_FEATURE_MIPI_CSI2, + .features = RKISP1_FEATURE_MIPI_CSI2 + | RKISP1_FEATURE_SELF_PATH, }; static const struct of_device_id rkisp1_of_match[] = { diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c index a8e377701302..dd77a31e6014 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-resizer.c @@ -631,6 +631,7 @@ static int rkisp1_rsz_s_stream(struct v4l2_subdev *sd, int enable) struct rkisp1_device *rkisp1 = rsz->rkisp1; struct rkisp1_capture *other = &rkisp1->capture_devs[rsz->id ^ 1]; enum rkisp1_shadow_regs_when when = RKISP1_SHADOW_REGS_SYNC; + bool has_self_path = rkisp1_has_feature(rkisp1, SELF_PATH); struct v4l2_subdev_state *sd_state; if (!enable) { @@ -639,7 +640,7 @@ static int rkisp1_rsz_s_stream(struct v4l2_subdev *sd, int enable) return 0; } - if (other->is_streaming) + if (has_self_path && other->is_streaming) when = RKISP1_SHADOW_REGS_ASYNC; sd_state = v4l2_subdev_lock_and_get_active_state(sd); @@ -731,10 +732,11 @@ static int rkisp1_rsz_register(struct rkisp1_resizer *rsz) int rkisp1_resizer_devs_register(struct rkisp1_device *rkisp1) { + unsigned int dev_count = rkisp1_path_count(rkisp1); unsigned int i; int ret; - for (i = 0; i < ARRAY_SIZE(rkisp1->resizer_devs); i++) { + for (i = 0; i < dev_count; i++) { struct rkisp1_resizer *rsz = &rkisp1->resizer_devs[i]; rsz->rkisp1 = rkisp1;