/* Hardware Setup */
void vsp1_dlm_setup(struct vsp1_device *vsp1)
{
- u32 ctrl = (256 << VI6_DL_CTRL_AR_WAIT_SHIFT);
+ u32 ctrl = (256 << VI6_DL_CTRL_AR_WAIT_SHIFT)
+ | VI6_DL_CTRL_DC2 | VI6_DL_CTRL_DC1 | VI6_DL_CTRL_DC0
+ | VI6_DL_CTRL_DLE;
- /* The DRM pipeline operates with header-less display lists in
- * Continuous Frame Mode.
+ /* The DRM pipeline operates with display lists in Continuous Frame
+ * Mode, all other pipelines use manual start.
*/
if (vsp1->drm)
- ctrl |= VI6_DL_CTRL_DC2 | VI6_DL_CTRL_DC1 | VI6_DL_CTRL_DC0
- | VI6_DL_CTRL_DLE | VI6_DL_CTRL_CFM0 | VI6_DL_CTRL_NH0;
+ ctrl |= VI6_DL_CTRL_CFM0 | VI6_DL_CTRL_NH0;
vsp1_write(vsp1, VI6_DL_CTRL, ctrl);
vsp1_write(vsp1, VI6_DL_SWAP, VI6_DL_SWAP_LWS);
vsp1_dlm_irq_display_start(vsp1->drm->pipe.output->dlm);
}
-static void vsp1_drm_frame_end(struct vsp1_pipeline *pipe)
-{
- vsp1_dlm_irq_frame_end(pipe->output->dlm);
-}
-
/* -----------------------------------------------------------------------------
* DU Driver API
*/
const struct vsp1_format_info *fmtinfo;
struct v4l2_subdev_selection sel;
struct v4l2_subdev_format format;
- struct vsp1_rwpf_memory memory;
struct vsp1_rwpf *rpf;
unsigned long flags;
int ret;
rpf->location.left = dst->left;
rpf->location.top = dst->top;
- /* Set the memory buffer address but don't apply the values to the
+ /* Cache the memory buffer address but don't apply the values to the
* hardware as the crop offsets haven't been computed yet.
*/
- memory.num_planes = fmtinfo->planes;
- memory.addr[0] = mem[0];
- memory.addr[1] = mem[1];
- memory.addr[2] = 0;
-
- vsp1_rwpf_set_memory(rpf, &memory, false);
+ rpf->mem.addr[0] = mem[0];
+ rpf->mem.addr[1] = mem[1];
+ rpf->mem.addr[2] = 0;
spin_lock_irqsave(&pipe->irqlock, flags);
entity->subdev.name);
return;
}
+
+ if (entity->type == VSP1_ENTITY_RPF)
+ vsp1_rwpf_set_memory(to_rwpf(&entity->subdev));
}
vsp1_dl_list_commit(pipe->dl);
pipe->dl = NULL;
+ /* Start or stop the pipeline if needed. */
spin_lock_irqsave(&pipe->irqlock, flags);
- /* Start or stop the pipeline if needed. */
if (!vsp1->drm->num_inputs && pipe->num_inputs) {
vsp1_write(vsp1, VI6_DISP_IRQ_STA, 0);
vsp1_write(vsp1, VI6_DISP_IRQ_ENB, VI6_DISP_IRQ_ENB_DSTE);
pipe = &vsp1->drm->pipe;
vsp1_pipeline_init(pipe);
- pipe->frame_end = vsp1_drm_frame_end;
/* The DRM pipeline is static, add entities manually. */
for (i = 0; i < vsp1->info->rpf_count; ++i) {
{
struct vsp1_pipeline *pipe = to_vsp1_pipeline(&e->subdev.entity);
- if (pipe->dl)
- vsp1_dl_list_write(pipe->dl, reg, data);
- else
- vsp1_write(e->vsp1, reg, data);
+ vsp1_dl_list_write(pipe->dl, reg, data);
}
void vsp1_entity_route_setup(struct vsp1_entity *source)
void vsp1_pipeline_frame_end(struct vsp1_pipeline *pipe)
{
- enum vsp1_pipeline_state state;
- unsigned long flags;
-
if (pipe == NULL)
return;
- /* Signal frame end to the pipeline handler. */
+ vsp1_dlm_irq_frame_end(pipe->output->dlm);
+
if (pipe->frame_end)
pipe->frame_end(pipe);
-
- spin_lock_irqsave(&pipe->irqlock, flags);
-
- state = pipe->state;
-
- /* When using display lists in continuous frame mode the pipeline is
- * automatically restarted by the hardware.
- */
- if (pipe->lif)
- goto done;
-
- pipe->state = VSP1_PIPELINE_STOPPED;
-
- /* If a stop has been requested, mark the pipeline as stopped and
- * return.
- */
- if (state == VSP1_PIPELINE_STOPPING) {
- wake_up(&pipe->wq);
- goto done;
- }
-
- /* Restart the pipeline if ready. */
- if (vsp1_pipeline_ready(pipe))
- vsp1_pipeline_run(pipe);
-
-done:
- spin_unlock_irqrestore(&pipe->irqlock, flags);
}
/*
vsp1_rpf_write(rpf, VI6_RPF_SRCM_PSTRIDE, pstride);
- /* Now that the offsets have been computed program the DMA addresses. */
- rpf->ops->set_memory(rpf);
-
/* Format */
infmt = VI6_RPF_INFMT_CIPM
| (fmtinfo->hwfmt << VI6_RPF_INFMT_RDFMT_SHIFT);
static void rpf_set_memory(struct vsp1_rwpf *rpf)
{
vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y,
- rpf->buf_addr[0] + rpf->offsets[0]);
+ rpf->mem.addr[0] + rpf->offsets[0]);
vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C0,
- rpf->buf_addr[1] + rpf->offsets[1]);
+ rpf->mem.addr[1] + rpf->offsets[1]);
vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C1,
- rpf->buf_addr[2] + rpf->offsets[1]);
+ rpf->mem.addr[2] + rpf->offsets[1]);
}
static const struct vsp1_rwpf_operations rpf_vdev_ops = {
return rwpf->ctrls.error;
}
-
-/* -----------------------------------------------------------------------------
- * Buffers
- */
-
-/**
- * vsp1_rwpf_set_memory - Configure DMA addresses for a [RW]PF
- * @rwpf: the [RW]PF instance
- * @mem: DMA memory addresses
- * @apply: whether to apply the configuration to the hardware
- *
- * This function stores the DMA addresses for all planes in the rwpf instance
- * and optionally applies the configuration to hardware registers if the apply
- * argument is set to true.
- */
-void vsp1_rwpf_set_memory(struct vsp1_rwpf *rwpf, struct vsp1_rwpf_memory *mem,
- bool apply)
-{
- unsigned int i;
-
- for (i = 0; i < 3; ++i)
- rwpf->buf_addr[i] = mem->addr[i];
-
- if (apply)
- rwpf->ops->set_memory(rwpf);
-}
struct vsp1_video;
struct vsp1_rwpf_memory {
- unsigned int num_planes;
dma_addr_t addr[3];
- unsigned int length[3];
};
/**
* struct vsp1_rwpf_operations - RPF and WPF operations
* @set_memory: Setup memory buffer access. This operation applies the settings
- * stored in the rwpf buf_addr field to the hardware.
+ * stored in the rwpf mem field to the hardware.
*/
struct vsp1_rwpf_operations {
void (*set_memory)(struct vsp1_rwpf *rwpf);
unsigned int alpha;
unsigned int offsets[2];
- dma_addr_t buf_addr[3];
+ struct vsp1_rwpf_memory mem;
struct vsp1_dl_manager *dlm;
};
struct v4l2_subdev_pad_config *cfg,
struct v4l2_subdev_selection *sel);
-void vsp1_rwpf_set_memory(struct vsp1_rwpf *rwpf, struct vsp1_rwpf_memory *mem,
- bool apply);
+/**
+ * vsp1_rwpf_set_memory - Configure DMA addresses for a [RW]PF
+ * @rwpf: the [RW]PF instance
+ *
+ * This function applies the cached memory buffer address to the hardware.
+ */
+static inline void vsp1_rwpf_set_memory(struct vsp1_rwpf *rwpf)
+{
+ rwpf->ops->set_memory(rwpf);
+}
#endif /* __VSP1_RWPF_H__ */
#include "vsp1.h"
#include "vsp1_bru.h"
+#include "vsp1_dl.h"
#include "vsp1_entity.h"
#include "vsp1_pipe.h"
#include "vsp1_rwpf.h"
done->buf.vb2_buf.timestamp = ktime_get_ns();
for (i = 0; i < done->buf.vb2_buf.num_planes; ++i)
vb2_set_plane_payload(&done->buf.vb2_buf, i,
- done->mem.length[i]);
+ vb2_plane_size(&done->buf.vb2_buf, i));
vb2_buffer_done(&done->buf.vb2_buf, VB2_BUF_STATE_DONE);
return next;
spin_lock_irqsave(&pipe->irqlock, flags);
- vsp1_rwpf_set_memory(video->rwpf, &buf->mem, true);
+ video->rwpf->mem = buf->mem;
pipe->buffers_ready |= 1 << video->pipe_index;
spin_unlock_irqrestore(&pipe->irqlock, flags);
}
+static void vsp1_video_pipeline_run(struct vsp1_pipeline *pipe)
+{
+ struct vsp1_device *vsp1 = pipe->output->entity.vsp1;
+ unsigned int i;
+
+ if (!pipe->dl)
+ pipe->dl = vsp1_dl_list_get(pipe->output->dlm);
+
+ for (i = 0; i < vsp1->info->rpf_count; ++i) {
+ struct vsp1_rwpf *rwpf = pipe->inputs[i];
+
+ if (rwpf)
+ vsp1_rwpf_set_memory(rwpf);
+ }
+
+ if (!pipe->lif)
+ vsp1_rwpf_set_memory(pipe->output);
+
+ vsp1_dl_list_commit(pipe->dl);
+ pipe->dl = NULL;
+
+ vsp1_pipeline_run(pipe);
+}
+
static void vsp1_video_pipeline_frame_end(struct vsp1_pipeline *pipe)
{
struct vsp1_device *vsp1 = pipe->output->entity.vsp1;
+ enum vsp1_pipeline_state state;
+ unsigned long flags;
unsigned int i;
/* Complete buffers on all video nodes. */
vsp1_video_frame_end(pipe, pipe->inputs[i]);
}
- if (!pipe->lif)
- vsp1_video_frame_end(pipe, pipe->output);
+ vsp1_video_frame_end(pipe, pipe->output);
+
+ spin_lock_irqsave(&pipe->irqlock, flags);
+
+ state = pipe->state;
+ pipe->state = VSP1_PIPELINE_STOPPED;
+
+ /* If a stop has been requested, mark the pipeline as stopped and
+ * return. Otherwise restart the pipeline if ready.
+ */
+ if (state == VSP1_PIPELINE_STOPPING)
+ wake_up(&pipe->wq);
+ else if (vsp1_pipeline_ready(pipe))
+ vsp1_video_pipeline_run(pipe);
+
+ spin_unlock_irqrestore(&pipe->irqlock, flags);
}
/* -----------------------------------------------------------------------------
if (vb->num_planes < format->num_planes)
return -EINVAL;
- buf->mem.num_planes = vb->num_planes;
-
for (i = 0; i < vb->num_planes; ++i) {
buf->mem.addr[i] = vb2_dma_contig_plane_dma_addr(vb, i);
- buf->mem.length[i] = vb2_plane_size(vb, i);
- if (buf->mem.length[i] < format->plane_fmt[i].sizeimage)
+ if (vb2_plane_size(vb, i) < format->plane_fmt[i].sizeimage)
return -EINVAL;
}
- for ( ; i < 3; ++i) {
+ for ( ; i < 3; ++i)
buf->mem.addr[i] = 0;
- buf->mem.length[i] = 0;
- }
return 0;
}
spin_lock_irqsave(&pipe->irqlock, flags);
- vsp1_rwpf_set_memory(video->rwpf, &buf->mem, true);
+ video->rwpf->mem = buf->mem;
pipe->buffers_ready |= 1 << video->pipe_index;
if (vb2_is_streaming(&video->queue) &&
vsp1_pipeline_ready(pipe))
- vsp1_pipeline_run(pipe);
+ vsp1_video_pipeline_run(pipe);
spin_unlock_irqrestore(&pipe->irqlock, flags);
}
+static int vsp1_video_setup_pipeline(struct vsp1_pipeline *pipe)
+{
+ struct vsp1_entity *entity;
+ int ret;
+
+ /* Prepare the display list. */
+ pipe->dl = vsp1_dl_list_get(pipe->output->dlm);
+ if (!pipe->dl)
+ return -ENOMEM;
+
+ if (pipe->uds) {
+ struct vsp1_uds *uds = to_uds(&pipe->uds->subdev);
+
+ /* If a BRU is present in the pipeline before the UDS, the alpha
+ * component doesn't need to be scaled as the BRU output alpha
+ * value is fixed to 255. Otherwise we need to scale the alpha
+ * component only when available at the input RPF.
+ */
+ if (pipe->uds_input->type == VSP1_ENTITY_BRU) {
+ uds->scale_alpha = false;
+ } else {
+ struct vsp1_rwpf *rpf =
+ to_rwpf(&pipe->uds_input->subdev);
+
+ uds->scale_alpha = rpf->fmtinfo->alpha;
+ }
+ }
+
+ list_for_each_entry(entity, &pipe->entities, list_pipe) {
+ vsp1_entity_route_setup(entity);
+
+ ret = v4l2_subdev_call(&entity->subdev, video, s_stream, 1);
+ if (ret < 0)
+ goto error;
+ }
+
+ return 0;
+
+error:
+ vsp1_dl_list_put(pipe->dl);
+ pipe->dl = NULL;
+
+ return ret;
+}
+
static int vsp1_video_start_streaming(struct vb2_queue *vq, unsigned int count)
{
struct vsp1_video *video = vb2_get_drv_priv(vq);
struct vsp1_pipeline *pipe = to_vsp1_pipeline(&video->video.entity);
- struct vsp1_entity *entity;
unsigned long flags;
int ret;
mutex_lock(&pipe->lock);
if (pipe->stream_count == pipe->num_inputs) {
- if (pipe->uds) {
- struct vsp1_uds *uds = to_uds(&pipe->uds->subdev);
-
- /* If a BRU is present in the pipeline before the UDS,
- * the alpha component doesn't need to be scaled as the
- * BRU output alpha value is fixed to 255. Otherwise we
- * need to scale the alpha component only when available
- * at the input RPF.
- */
- if (pipe->uds_input->type == VSP1_ENTITY_BRU) {
- uds->scale_alpha = false;
- } else {
- struct vsp1_rwpf *rpf =
- to_rwpf(&pipe->uds_input->subdev);
-
- uds->scale_alpha = rpf->fmtinfo->alpha;
- }
- }
-
- list_for_each_entry(entity, &pipe->entities, list_pipe) {
- vsp1_entity_route_setup(entity);
-
- ret = v4l2_subdev_call(&entity->subdev, video,
- s_stream, 1);
- if (ret < 0) {
- mutex_unlock(&pipe->lock);
- return ret;
- }
+ ret = vsp1_video_setup_pipeline(pipe);
+ if (ret < 0) {
+ mutex_unlock(&pipe->lock);
+ return ret;
}
}
spin_lock_irqsave(&pipe->irqlock, flags);
if (vsp1_pipeline_ready(pipe))
- vsp1_pipeline_run(pipe);
+ vsp1_video_pipeline_run(pipe);
spin_unlock_irqrestore(&pipe->irqlock, flags);
return 0;
ret = vsp1_pipeline_stop(pipe);
if (ret == -ETIMEDOUT)
dev_err(video->vsp1->dev, "pipeline stop timeout\n");
+
+ vsp1_dl_list_put(pipe->dl);
+ pipe->dl = NULL;
}
mutex_unlock(&pipe->lock);
static void wpf_set_memory(struct vsp1_rwpf *wpf)
{
- vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_Y, wpf->buf_addr[0]);
- vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_C0, wpf->buf_addr[1]);
- vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_C1, wpf->buf_addr[2]);
+ vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_Y, wpf->mem.addr[0]);
+ vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_C0, wpf->mem.addr[1]);
+ vsp1_wpf_write(wpf, VI6_WPF_DSTM_ADDR_C1, wpf->mem.addr[2]);
}
static const struct vsp1_rwpf_operations wpf_vdev_ops = {
if (ret < 0)
return ERR_PTR(ret);
- /* Initialize the display list manager if the WPF is used for display */
- if ((vsp1->info->features & VSP1_HAS_LIF) && index == 0) {
- wpf->dlm = vsp1_dlm_create(vsp1, index, 4);
- if (!wpf->dlm) {
- ret = -ENOMEM;
- goto error;
- }
+ /* Initialize the display list manager. */
+ wpf->dlm = vsp1_dlm_create(vsp1, index, 4);
+ if (!wpf->dlm) {
+ ret = -ENOMEM;
+ goto error;
}
/* Initialize the V4L2 subdev. */
projects / linux-beck.git / commitdiff