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authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>2016-05-26 08:14:22 (GMT)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-06-28 15:42:43 (GMT)
commit894dde5c5d1c6d33c4bd3d4384c6cf0aff3f8015 (patch)
tree7ff18ad4a641508512aefd84f13547cdecac071a
parentd05a331029d31836053a934365056616b0142898 (diff)
[media] v4l: vsp1: wpf: Add flipping supportold/cs_894dde5c5d1c
Vertical flipping is available on both Gen2 and Gen3, while horizontal flipping is only available on Gen3. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
-rw-r--r--drivers/media/platform/vsp1/vsp1.h2
-rw-r--r--drivers/media/platform/vsp1/vsp1_drv.c16
-rw-r--r--drivers/media/platform/vsp1/vsp1_regs.h7
-rw-r--r--drivers/media/platform/vsp1/vsp1_rpf.c2
-rw-r--r--drivers/media/platform/vsp1/vsp1_rwpf.c4
-rw-r--r--drivers/media/platform/vsp1/vsp1_rwpf.h11
-rw-r--r--drivers/media/platform/vsp1/vsp1_wpf.c145
7 files changed, 170 insertions, 17 deletions
diff --git a/drivers/media/platform/vsp1/vsp1.h b/drivers/media/platform/vsp1/vsp1.h
index 8713a43..06a2ec7 100644
--- a/drivers/media/platform/vsp1/vsp1.h
+++ b/drivers/media/platform/vsp1/vsp1.h
@@ -48,6 +48,8 @@ struct vsp1_uds;
#define VSP1_HAS_SRU (1 << 2)
#define VSP1_HAS_BRU (1 << 3)
#define VSP1_HAS_CLU (1 << 4)
+#define VSP1_HAS_WPF_VFLIP (1 << 5)
+#define VSP1_HAS_WPF_HFLIP (1 << 6)
struct vsp1_device_info {
u32 version;
diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c
index 769b19e..e1377ff 100644
--- a/drivers/media/platform/vsp1/vsp1_drv.c
+++ b/drivers/media/platform/vsp1/vsp1_drv.c
@@ -563,7 +563,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
.version = VI6_IP_VERSION_MODEL_VSPS_H2,
.gen = 2,
.features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT
- | VSP1_HAS_SRU,
+ | VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP,
.rpf_count = 5,
.uds_count = 3,
.wpf_count = 4,
@@ -572,7 +572,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
}, {
.version = VI6_IP_VERSION_MODEL_VSPR_H2,
.gen = 2,
- .features = VSP1_HAS_BRU | VSP1_HAS_SRU,
+ .features = VSP1_HAS_BRU | VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP,
.rpf_count = 5,
.uds_count = 3,
.wpf_count = 4,
@@ -591,7 +591,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
.version = VI6_IP_VERSION_MODEL_VSPS_M2,
.gen = 2,
.features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT
- | VSP1_HAS_SRU,
+ | VSP1_HAS_SRU | VSP1_HAS_WPF_VFLIP,
.rpf_count = 5,
.uds_count = 1,
.wpf_count = 4,
@@ -600,7 +600,8 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
}, {
.version = VI6_IP_VERSION_MODEL_VSPI_GEN3,
.gen = 3,
- .features = VSP1_HAS_CLU | VSP1_HAS_LUT | VSP1_HAS_SRU,
+ .features = VSP1_HAS_CLU | VSP1_HAS_LUT | VSP1_HAS_SRU
+ | VSP1_HAS_WPF_HFLIP | VSP1_HAS_WPF_VFLIP,
.rpf_count = 1,
.uds_count = 1,
.wpf_count = 1,
@@ -608,7 +609,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
}, {
.version = VI6_IP_VERSION_MODEL_VSPBD_GEN3,
.gen = 3,
- .features = VSP1_HAS_BRU,
+ .features = VSP1_HAS_BRU | VSP1_HAS_WPF_VFLIP,
.rpf_count = 5,
.wpf_count = 1,
.num_bru_inputs = 5,
@@ -616,7 +617,8 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
}, {
.version = VI6_IP_VERSION_MODEL_VSPBC_GEN3,
.gen = 3,
- .features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT,
+ .features = VSP1_HAS_BRU | VSP1_HAS_CLU | VSP1_HAS_LUT
+ | VSP1_HAS_WPF_VFLIP,
.rpf_count = 5,
.wpf_count = 1,
.num_bru_inputs = 5,
@@ -624,7 +626,7 @@ static const struct vsp1_device_info vsp1_device_infos[] = {
}, {
.version = VI6_IP_VERSION_MODEL_VSPD_GEN3,
.gen = 3,
- .features = VSP1_HAS_BRU | VSP1_HAS_LIF,
+ .features = VSP1_HAS_BRU | VSP1_HAS_LIF | VSP1_HAS_WPF_VFLIP,
.rpf_count = 5,
.wpf_count = 2,
.num_bru_inputs = 5,
diff --git a/drivers/media/platform/vsp1/vsp1_regs.h b/drivers/media/platform/vsp1/vsp1_regs.h
index dea0bc4..3b03007 100644
--- a/drivers/media/platform/vsp1/vsp1_regs.h
+++ b/drivers/media/platform/vsp1/vsp1_regs.h
@@ -255,6 +255,8 @@
#define VI6_WPF_OUTFMT_PDV_MASK (0xff << 24)
#define VI6_WPF_OUTFMT_PDV_SHIFT 24
#define VI6_WPF_OUTFMT_PXA (1 << 23)
+#define VI6_WPF_OUTFMT_ROT (1 << 18)
+#define VI6_WPF_OUTFMT_HFLP (1 << 17)
#define VI6_WPF_OUTFMT_FLP (1 << 16)
#define VI6_WPF_OUTFMT_SPYCS (1 << 15)
#define VI6_WPF_OUTFMT_SPUVS (1 << 14)
@@ -289,6 +291,11 @@
#define VI6_WPF_RNDCTRL_CLMD_EXT (2 << 12)
#define VI6_WPF_RNDCTRL_CLMD_MASK (3 << 12)
+#define VI6_WPF_ROT_CTRL 0x1018
+#define VI6_WPF_ROT_CTRL_LN16 (1 << 17)
+#define VI6_WPF_ROT_CTRL_LMEM_WD_MASK (0x1fff << 0)
+#define VI6_WPF_ROT_CTRL_LMEM_WD_SHIFT 0
+
#define VI6_WPF_DSTM_STRIDE_Y 0x101c
#define VI6_WPF_DSTM_STRIDE_C 0x1020
#define VI6_WPF_DSTM_ADDR_Y 0x1024
diff --git a/drivers/media/platform/vsp1/vsp1_rpf.c b/drivers/media/platform/vsp1/vsp1_rpf.c
index 4258c72..3888389 100644
--- a/drivers/media/platform/vsp1/vsp1_rpf.c
+++ b/drivers/media/platform/vsp1/vsp1_rpf.c
@@ -247,7 +247,7 @@ struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index)
return ERR_PTR(ret);
/* Initialize the control handler. */
- ret = vsp1_rwpf_init_ctrls(rpf);
+ ret = vsp1_rwpf_init_ctrls(rpf, 0);
if (ret < 0) {
dev_err(vsp1->dev, "rpf%u: failed to initialize controls\n",
index);
diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.c b/drivers/media/platform/vsp1/vsp1_rwpf.c
index cd3562d..8d461b3 100644
--- a/drivers/media/platform/vsp1/vsp1_rwpf.c
+++ b/drivers/media/platform/vsp1/vsp1_rwpf.c
@@ -241,9 +241,9 @@ static const struct v4l2_ctrl_ops vsp1_rwpf_ctrl_ops = {
.s_ctrl = vsp1_rwpf_s_ctrl,
};
-int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf)
+int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf, unsigned int ncontrols)
{
- v4l2_ctrl_handler_init(&rwpf->ctrls, 1);
+ v4l2_ctrl_handler_init(&rwpf->ctrls, ncontrols + 1);
v4l2_ctrl_new_std(&rwpf->ctrls, &vsp1_rwpf_ctrl_ops,
V4L2_CID_ALPHA_COMPONENT, 0, 255, 1, 255);
diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.h b/drivers/media/platform/vsp1/vsp1_rwpf.h
index 801cacc..cb20484 100644
--- a/drivers/media/platform/vsp1/vsp1_rwpf.h
+++ b/drivers/media/platform/vsp1/vsp1_rwpf.h
@@ -13,6 +13,8 @@
#ifndef __VSP1_RWPF_H__
#define __VSP1_RWPF_H__
+#include <linux/spinlock.h>
+
#include <media/media-entity.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-subdev.h>
@@ -52,6 +54,13 @@ struct vsp1_rwpf {
u32 mult_alpha;
u32 outfmt;
+ struct {
+ spinlock_t lock;
+ struct v4l2_ctrl *ctrls[2];
+ unsigned int pending;
+ unsigned int active;
+ } flip;
+
unsigned int offsets[2];
struct vsp1_rwpf_memory mem;
@@ -71,7 +80,7 @@ static inline struct vsp1_rwpf *entity_to_rwpf(struct vsp1_entity *entity)
struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index);
struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index);
-int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf);
+int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf, unsigned int ncontrols);
extern const struct v4l2_subdev_pad_ops vsp1_rwpf_pad_ops;
diff --git a/drivers/media/platform/vsp1/vsp1_wpf.c b/drivers/media/platform/vsp1/vsp1_wpf.c
index 9385bc7..3198316 100644
--- a/drivers/media/platform/vsp1/vsp1_wpf.c
+++ b/drivers/media/platform/vsp1/vsp1_wpf.c
@@ -37,6 +37,97 @@ static inline void vsp1_wpf_write(struct vsp1_rwpf *wpf,
}
/* -----------------------------------------------------------------------------
+ * Controls
+ */
+
+enum wpf_flip_ctrl {
+ WPF_CTRL_VFLIP = 0,
+ WPF_CTRL_HFLIP = 1,
+ WPF_CTRL_MAX,
+};
+
+static int vsp1_wpf_s_ctrl(struct v4l2_ctrl *ctrl)
+{
+ struct vsp1_rwpf *wpf =
+ container_of(ctrl->handler, struct vsp1_rwpf, ctrls);
+ unsigned int i;
+ u32 flip = 0;
+
+ switch (ctrl->id) {
+ case V4L2_CID_HFLIP:
+ case V4L2_CID_VFLIP:
+ for (i = 0; i < WPF_CTRL_MAX; ++i) {
+ if (wpf->flip.ctrls[i])
+ flip |= wpf->flip.ctrls[i]->val ? BIT(i) : 0;
+ }
+
+ spin_lock_irq(&wpf->flip.lock);
+ wpf->flip.pending = flip;
+ spin_unlock_irq(&wpf->flip.lock);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static const struct v4l2_ctrl_ops vsp1_wpf_ctrl_ops = {
+ .s_ctrl = vsp1_wpf_s_ctrl,
+};
+
+static int wpf_init_controls(struct vsp1_rwpf *wpf)
+{
+ struct vsp1_device *vsp1 = wpf->entity.vsp1;
+ unsigned int num_flip_ctrls;
+
+ spin_lock_init(&wpf->flip.lock);
+
+ if (wpf->entity.index != 0) {
+ /* Only WPF0 supports flipping. */
+ num_flip_ctrls = 0;
+ } else if (vsp1->info->features & VSP1_HAS_WPF_HFLIP) {
+ /* When horizontal flip is supported the WPF implements two
+ * controls (horizontal flip and vertical flip).
+ */
+ num_flip_ctrls = 2;
+ } else if (vsp1->info->features & VSP1_HAS_WPF_VFLIP) {
+ /* When only vertical flip is supported the WPF implements a
+ * single control (vertical flip).
+ */
+ num_flip_ctrls = 1;
+ } else {
+ /* Otherwise flipping is not supported. */
+ num_flip_ctrls = 0;
+ }
+
+ vsp1_rwpf_init_ctrls(wpf, num_flip_ctrls);
+
+ if (num_flip_ctrls >= 1) {
+ wpf->flip.ctrls[WPF_CTRL_VFLIP] =
+ v4l2_ctrl_new_std(&wpf->ctrls, &vsp1_wpf_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ }
+
+ if (num_flip_ctrls == 2) {
+ wpf->flip.ctrls[WPF_CTRL_HFLIP] =
+ v4l2_ctrl_new_std(&wpf->ctrls, &vsp1_wpf_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+
+ v4l2_ctrl_cluster(2, wpf->flip.ctrls);
+ }
+
+ if (wpf->ctrls.error) {
+ dev_err(vsp1->dev, "wpf%u: failed to initialize controls\n",
+ wpf->entity.index);
+ return wpf->ctrls.error;
+ }
+
+ return 0;
+}
+
+/* -----------------------------------------------------------------------------
* V4L2 Subdevice Core Operations
*/
@@ -85,10 +176,32 @@ static void vsp1_wpf_destroy(struct vsp1_entity *entity)
static void wpf_set_memory(struct vsp1_entity *entity, struct vsp1_dl_list *dl)
{
struct vsp1_rwpf *wpf = entity_to_rwpf(entity);
+ const struct v4l2_pix_format_mplane *format = &wpf->format;
+ struct vsp1_rwpf_memory mem = wpf->mem;
+ unsigned int flip = wpf->flip.active;
+ unsigned int offset;
+
+ /* Update the memory offsets based on flipping configuration. The
+ * destination addresses point to the locations where the VSP starts
+ * writing to memory, which can be different corners of the image
+ * depending on vertical flipping. Horizontal flipping is handled
+ * through a line buffer and doesn't modify the start address.
+ */
+ if (flip & BIT(WPF_CTRL_VFLIP)) {
+ mem.addr[0] += (format->height - 1)
+ * format->plane_fmt[0].bytesperline;
+
+ if (format->num_planes > 1) {
+ offset = (format->height / wpf->fmtinfo->vsub - 1)
+ * format->plane_fmt[1].bytesperline;
+ mem.addr[1] += offset;
+ mem.addr[2] += offset;
+ }
+ }
- vsp1_wpf_write(wpf, dl, VI6_WPF_DSTM_ADDR_Y, wpf->mem.addr[0]);
- vsp1_wpf_write(wpf, dl, VI6_WPF_DSTM_ADDR_C0, wpf->mem.addr[1]);
- vsp1_wpf_write(wpf, dl, VI6_WPF_DSTM_ADDR_C1, wpf->mem.addr[2]);
+ vsp1_wpf_write(wpf, dl, VI6_WPF_DSTM_ADDR_Y, mem.addr[0]);
+ vsp1_wpf_write(wpf, dl, VI6_WPF_DSTM_ADDR_C0, mem.addr[1]);
+ vsp1_wpf_write(wpf, dl, VI6_WPF_DSTM_ADDR_C1, mem.addr[2]);
}
static void wpf_configure(struct vsp1_entity *entity,
@@ -105,8 +218,22 @@ static void wpf_configure(struct vsp1_entity *entity,
u32 srcrpf = 0;
if (!full) {
- vsp1_wpf_write(wpf, dl, VI6_WPF_OUTFMT, wpf->outfmt |
- (wpf->alpha << VI6_WPF_OUTFMT_PDV_SHIFT));
+ const unsigned int mask = BIT(WPF_CTRL_VFLIP)
+ | BIT(WPF_CTRL_HFLIP);
+
+ spin_lock(&wpf->flip.lock);
+ wpf->flip.active = (wpf->flip.active & ~mask)
+ | (wpf->flip.pending & mask);
+ spin_unlock(&wpf->flip.lock);
+
+ outfmt = (wpf->alpha << VI6_WPF_OUTFMT_PDV_SHIFT) | wpf->outfmt;
+
+ if (wpf->flip.active & BIT(WPF_CTRL_VFLIP))
+ outfmt |= VI6_WPF_OUTFMT_FLP;
+ if (wpf->flip.active & BIT(WPF_CTRL_HFLIP))
+ outfmt |= VI6_WPF_OUTFMT_HFLP;
+
+ vsp1_wpf_write(wpf, dl, VI6_WPF_OUTFMT, outfmt);
return;
}
@@ -149,6 +276,12 @@ static void wpf_configure(struct vsp1_entity *entity,
format->plane_fmt[1].bytesperline);
vsp1_wpf_write(wpf, dl, VI6_WPF_DSWAP, fmtinfo->swap);
+
+ if (vsp1->info->features & VSP1_HAS_WPF_HFLIP &&
+ wpf->entity.index == 0)
+ vsp1_wpf_write(wpf, dl, VI6_WPF_ROT_CTRL,
+ VI6_WPF_ROT_CTRL_LN16 |
+ (256 << VI6_WPF_ROT_CTRL_LMEM_WD_SHIFT));
}
if (sink_format->code != source_format->code)
@@ -234,7 +367,7 @@ struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index)
}
/* Initialize the control handler. */
- ret = vsp1_rwpf_init_ctrls(wpf);
+ ret = wpf_init_controls(wpf);
if (ret < 0) {
dev_err(vsp1->dev, "wpf%u: failed to initialize controls\n",
index);

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