diff options
| -rw-r--r-- | drivers/media/platform/davinci/Kconfig | 2 | ||||
| -rw-r--r-- | drivers/media/platform/davinci/vpbe_display.c | 294 | ||||
| -rw-r--r-- | include/media/davinci/vpbe_display.h | 15 |
3 files changed, 187 insertions, 124 deletions
diff --git a/drivers/media/platform/davinci/Kconfig b/drivers/media/platform/davinci/Kconfig index 78e26d24f637..3c56037c82fc 100644 --- a/drivers/media/platform/davinci/Kconfig +++ b/drivers/media/platform/davinci/Kconfig @@ -101,7 +101,7 @@ config VIDEO_DM644X_VPBE tristate "DM644X VPBE HW module" depends on ARCH_DAVINCI_DM644x select VIDEO_VPSS_SYSTEM - select VIDEOBUF_DMA_CONTIG + select VIDEOBUF2_DMA_CONTIG help Enables VPBE modules used for display on a DM644x SoC. diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c index 161c77650e2f..974957fd7f71 100644 --- a/drivers/media/platform/davinci/vpbe_display.c +++ b/drivers/media/platform/davinci/vpbe_display.c @@ -47,6 +47,9 @@ static int debug; module_param(debug, int, 0644); +static int vpbe_set_osd_display_params(struct vpbe_display *disp_dev, + struct vpbe_layer *layer); + static int venc_is_second_field(struct vpbe_display *disp_dev) { struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev; @@ -73,10 +76,11 @@ static void vpbe_isr_even_field(struct vpbe_display *disp_obj, if (layer->cur_frm == layer->next_frm) return; ktime_get_ts(&timevalue); - layer->cur_frm->ts.tv_sec = timevalue.tv_sec; - layer->cur_frm->ts.tv_usec = timevalue.tv_nsec / NSEC_PER_USEC; - layer->cur_frm->state = VIDEOBUF_DONE; - wake_up_interruptible(&layer->cur_frm->done); + layer->cur_frm->vb.v4l2_buf.timestamp.tv_sec = + timevalue.tv_sec; + layer->cur_frm->vb.v4l2_buf.timestamp.tv_usec = + timevalue.tv_nsec / NSEC_PER_USEC; + vb2_buffer_done(&layer->cur_frm->vb, VB2_BUF_STATE_DONE); /* Make cur_frm pointing to next_frm */ layer->cur_frm = layer->next_frm; } @@ -99,16 +103,14 @@ static void vpbe_isr_odd_field(struct vpbe_display *disp_obj, * otherwise hold on current frame * Get next from the buffer queue */ - layer->next_frm = list_entry( - layer->dma_queue.next, - struct videobuf_buffer, - queue); + layer->next_frm = list_entry(layer->dma_queue.next, + struct vpbe_disp_buffer, list); /* Remove that from the buffer queue */ - list_del(&layer->next_frm->queue); + list_del(&layer->next_frm->list); spin_unlock(&disp_obj->dma_queue_lock); /* Mark state of the frame to active */ - layer->next_frm->state = VIDEOBUF_ACTIVE; - addr = videobuf_to_dma_contig(layer->next_frm); + layer->next_frm->vb.state = VB2_BUF_STATE_ACTIVE; + addr = vb2_dma_contig_plane_dma_addr(&layer->next_frm->vb, 0); osd_device->ops.start_layer(osd_device, layer->layer_info.id, addr, @@ -199,39 +201,29 @@ static irqreturn_t venc_isr(int irq, void *arg) /* * vpbe_buffer_prepare() - * This is the callback function called from videobuf_qbuf() function + * This is the callback function called from vb2_qbuf() function * the buffer is prepared and user space virtual address is converted into * physical address */ -static int vpbe_buffer_prepare(struct videobuf_queue *q, - struct videobuf_buffer *vb, - enum v4l2_field field) +static int vpbe_buffer_prepare(struct vb2_buffer *vb) { - struct vpbe_fh *fh = q->priv_data; + struct vpbe_fh *fh = vb2_get_drv_priv(vb->vb2_queue); + struct vb2_queue *q = vb->vb2_queue; struct vpbe_layer *layer = fh->layer; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; unsigned long addr; - int ret; v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_buffer_prepare\n"); - /* If buffer is not initialized, initialize it */ - if (VIDEOBUF_NEEDS_INIT == vb->state) { - vb->width = layer->pix_fmt.width; - vb->height = layer->pix_fmt.height; - vb->size = layer->pix_fmt.sizeimage; - vb->field = field; - - ret = videobuf_iolock(q, vb, NULL); - if (ret < 0) { - v4l2_err(&vpbe_dev->v4l2_dev, "Failed to map \ - user address\n"); + if (vb->state != VB2_BUF_STATE_ACTIVE && + vb->state != VB2_BUF_STATE_PREPARED) { + vb2_set_plane_payload(vb, 0, layer->pix_fmt.sizeimage); + if (vb2_plane_vaddr(vb, 0) && + vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) return -EINVAL; - } - - addr = videobuf_to_dma_contig(vb); + addr = vb2_dma_contig_plane_dma_addr(vb, 0); if (q->streaming) { if (!IS_ALIGNED(addr, 8)) { v4l2_err(&vpbe_dev->v4l2_dev, @@ -240,7 +232,6 @@ static int vpbe_buffer_prepare(struct videobuf_queue *q, return -EINVAL; } } - vb->state = VIDEOBUF_PREPARED; } return 0; } @@ -249,22 +240,26 @@ static int vpbe_buffer_prepare(struct videobuf_queue *q, * vpbe_buffer_setup() * This function allocates memory for the buffers */ -static int vpbe_buffer_setup(struct videobuf_queue *q, - unsigned int *count, - unsigned int *size) +static int +vpbe_buffer_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], void *alloc_ctxs[]) + { /* Get the file handle object and layer object */ - struct vpbe_fh *fh = q->priv_data; + struct vpbe_fh *fh = vb2_get_drv_priv(vq); struct vpbe_layer *layer = fh->layer; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_buffer_setup\n"); - *size = layer->pix_fmt.sizeimage; - /* Store number of buffers allocated in numbuffer member */ - if (*count < VPBE_DEFAULT_NUM_BUFS) - *count = layer->numbuffers = VPBE_DEFAULT_NUM_BUFS; + if (*nbuffers < VPBE_DEFAULT_NUM_BUFS) + *nbuffers = layer->numbuffers = VPBE_DEFAULT_NUM_BUFS; + + *nplanes = 1; + sizes[0] = layer->pix_fmt.sizeimage; + alloc_ctxs[0] = layer->alloc_ctx; return 0; } @@ -273,11 +268,12 @@ static int vpbe_buffer_setup(struct videobuf_queue *q, * vpbe_buffer_queue() * This function adds the buffer to DMA queue */ -static void vpbe_buffer_queue(struct videobuf_queue *q, - struct videobuf_buffer *vb) +static void vpbe_buffer_queue(struct vb2_buffer *vb) { /* Get the file handle object and layer object */ - struct vpbe_fh *fh = q->priv_data; + struct vpbe_fh *fh = vb2_get_drv_priv(vb->vb2_queue); + struct vpbe_disp_buffer *buf = container_of(vb, + struct vpbe_disp_buffer, vb); struct vpbe_layer *layer = fh->layer; struct vpbe_display *disp = fh->disp_dev; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; @@ -288,39 +284,125 @@ static void vpbe_buffer_queue(struct videobuf_queue *q, /* add the buffer to the DMA queue */ spin_lock_irqsave(&disp->dma_queue_lock, flags); - list_add_tail(&vb->queue, &layer->dma_queue); + list_add_tail(&buf->list, &layer->dma_queue); spin_unlock_irqrestore(&disp->dma_queue_lock, flags); - /* Change state of the buffer */ - vb->state = VIDEOBUF_QUEUED; } /* - * vpbe_buffer_release() - * This function is called from the videobuf layer to free memory allocated to + * vpbe_buf_cleanup() + * This function is called from the vb2 layer to free memory allocated to * the buffers */ -static void vpbe_buffer_release(struct videobuf_queue *q, - struct videobuf_buffer *vb) +static void vpbe_buf_cleanup(struct vb2_buffer *vb) { /* Get the file handle object and layer object */ - struct vpbe_fh *fh = q->priv_data; + struct vpbe_fh *fh = vb2_get_drv_priv(vb->vb2_queue); struct vpbe_layer *layer = fh->layer; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; + struct vpbe_disp_buffer *buf = container_of(vb, + struct vpbe_disp_buffer, vb); + unsigned long flags; v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, - "vpbe_buffer_release\n"); + "vpbe_buf_cleanup\n"); + + spin_lock_irqsave(&layer->irqlock, flags); + if (vb->state == VB2_BUF_STATE_ACTIVE) + list_del_init(&buf->list); + spin_unlock_irqrestore(&layer->irqlock, flags); +} + +static void vpbe_wait_prepare(struct vb2_queue *vq) +{ + struct vpbe_fh *fh = vb2_get_drv_priv(vq); + struct vpbe_layer *layer = fh->layer; + + mutex_unlock(&layer->opslock); +} + +static void vpbe_wait_finish(struct vb2_queue *vq) +{ + struct vpbe_fh *fh = vb2_get_drv_priv(vq); + struct vpbe_layer *layer = fh->layer; + + mutex_lock(&layer->opslock); +} + +static int vpbe_buffer_init(struct vb2_buffer *vb) +{ + struct vpbe_disp_buffer *buf = container_of(vb, + struct vpbe_disp_buffer, vb); + + INIT_LIST_HEAD(&buf->list); + return 0; +} + +static int vpbe_start_streaming(struct vb2_queue *vq, unsigned int count) +{ + struct vpbe_fh *fh = vb2_get_drv_priv(vq); + struct vpbe_layer *layer = fh->layer; + struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; + int ret; + + /* If buffer queue is empty, return error */ + if (list_empty(&layer->dma_queue)) { + v4l2_err(&vpbe_dev->v4l2_dev, "buffer queue is empty\n"); + return -EINVAL; + } + /* Get the next frame from the buffer queue */ + layer->next_frm = layer->cur_frm = list_entry(layer->dma_queue.next, + struct vpbe_disp_buffer, list); + /* Remove buffer from the buffer queue */ + list_del(&layer->cur_frm->list); + /* Mark state of the current frame to active */ + layer->cur_frm->vb.state = VB2_BUF_STATE_ACTIVE; + /* Initialize field_id and started member */ + layer->field_id = 0; + + /* Set parameters in OSD and VENC */ + ret = vpbe_set_osd_display_params(fh->disp_dev, layer); + if (ret < 0) + return ret; - if (V4L2_MEMORY_USERPTR != layer->memory) - videobuf_dma_contig_free(q, vb); + /* + * if request format is yuv420 semiplanar, need to + * enable both video windows + */ + layer->started = 1; + layer->layer_first_int = 1; + + return ret; +} + +static int vpbe_stop_streaming(struct vb2_queue *vq) +{ + struct vpbe_fh *fh = vb2_get_drv_priv(vq); + struct vpbe_layer *layer = fh->layer; + + if (!vb2_is_streaming(vq)) + return 0; + + /* release all active buffers */ + while (!list_empty(&layer->dma_queue)) { + layer->next_frm = list_entry(layer->dma_queue.next, + struct vpbe_disp_buffer, list); + list_del(&layer->next_frm->list); + vb2_buffer_done(&layer->next_frm->vb, VB2_BUF_STATE_ERROR); + } - vb->state = VIDEOBUF_NEEDS_INIT; + return 0; } -static struct videobuf_queue_ops video_qops = { - .buf_setup = vpbe_buffer_setup, +static struct vb2_ops video_qops = { + .queue_setup = vpbe_buffer_queue_setup, + .wait_prepare = vpbe_wait_prepare, + .wait_finish = vpbe_wait_finish, + .buf_init = vpbe_buffer_init, .buf_prepare = vpbe_buffer_prepare, + .start_streaming = vpbe_start_streaming, + .stop_streaming = vpbe_stop_streaming, + .buf_cleanup = vpbe_buf_cleanup, .buf_queue = vpbe_buffer_queue, - .buf_release = vpbe_buffer_release, }; static @@ -345,7 +427,7 @@ static int vpbe_set_osd_display_params(struct vpbe_display *disp_dev, unsigned long addr; int ret; - addr = videobuf_to_dma_contig(layer->cur_frm); + addr = vb2_dma_contig_plane_dma_addr(&layer->cur_frm->vb, 0); /* Set address in the display registers */ osd_device->ops.start_layer(osd_device, layer->layer_info.id, @@ -1161,7 +1243,7 @@ static int vpbe_display_streamoff(struct file *file, void *priv, osd_device->ops.disable_layer(osd_device, layer->layer_info.id); layer->started = 0; - ret = videobuf_streamoff(&layer->buffer_queue); + ret = vb2_streamoff(&layer->buffer_queue, buf_type); return ret; } @@ -1199,46 +1281,15 @@ static int vpbe_display_streamon(struct file *file, void *priv, } /* - * Call videobuf_streamon to start streaming + * Call vb2_streamon to start streaming * in videobuf */ - ret = videobuf_streamon(&layer->buffer_queue); + ret = vb2_streamon(&layer->buffer_queue, buf_type); if (ret) { v4l2_err(&vpbe_dev->v4l2_dev, - "error in videobuf_streamon\n"); + "error in vb2_streamon\n"); return ret; } - /* If buffer queue is empty, return error */ - if (list_empty(&layer->dma_queue)) { - v4l2_err(&vpbe_dev->v4l2_dev, "buffer queue is empty\n"); - goto streamoff; - } - /* Get the next frame from the buffer queue */ - layer->next_frm = layer->cur_frm = list_entry(layer->dma_queue.next, - struct videobuf_buffer, queue); - /* Remove buffer from the buffer queue */ - list_del(&layer->cur_frm->queue); - /* Mark state of the current frame to active */ - layer->cur_frm->state = VIDEOBUF_ACTIVE; - /* Initialize field_id and started member */ - layer->field_id = 0; - - /* Set parameters in OSD and VENC */ - ret = vpbe_set_osd_display_params(disp_dev, layer); - if (ret < 0) - goto streamoff; - - /* - * if request format is yuv420 semiplanar, need to - * enable both video windows - */ - layer->started = 1; - - layer->layer_first_int = 1; - - return ret; -streamoff: - ret = videobuf_streamoff(&layer->buffer_queue); return ret; } @@ -1265,10 +1316,10 @@ static int vpbe_display_dqbuf(struct file *file, void *priv, } if (file->f_flags & O_NONBLOCK) /* Call videobuf_dqbuf for non blocking mode */ - ret = videobuf_dqbuf(&layer->buffer_queue, buf, 1); + ret = vb2_dqbuf(&layer->buffer_queue, buf, 1); else /* Call videobuf_dqbuf for blocking mode */ - ret = videobuf_dqbuf(&layer->buffer_queue, buf, 0); + ret = vb2_dqbuf(&layer->buffer_queue, buf, 0); return ret; } @@ -1295,7 +1346,7 @@ static int vpbe_display_qbuf(struct file *file, void *priv, return -EACCES; } - return videobuf_qbuf(&layer->buffer_queue, p); + return vb2_qbuf(&layer->buffer_queue, p); } static int vpbe_display_querybuf(struct file *file, void *priv, @@ -1304,7 +1355,6 @@ static int vpbe_display_querybuf(struct file *file, void *priv, struct vpbe_fh *fh = file->private_data; struct vpbe_layer *layer = fh->layer; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; - int ret; v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "VIDIOC_QUERYBUF, layer id = %d\n", @@ -1314,11 +1364,8 @@ static int vpbe_display_querybuf(struct file *file, void *priv, v4l2_err(&vpbe_dev->v4l2_dev, "Invalid buffer type\n"); return -EINVAL; } - - /* Call videobuf_querybuf to get information */ - ret = videobuf_querybuf(&layer->buffer_queue, buf); - - return ret; + /* Call vb2_querybuf to get information */ + return vb2_querybuf(&layer->buffer_queue, buf); } static int vpbe_display_reqbufs(struct file *file, void *priv, @@ -1327,8 +1374,8 @@ static int vpbe_display_reqbufs(struct file *file, void *priv, struct vpbe_fh *fh = file->private_data; struct vpbe_layer *layer = fh->layer; struct vpbe_device *vpbe_dev = fh->disp_dev->vpbe_dev; + struct vb2_queue *q; int ret; - v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_reqbufs\n"); if (V4L2_BUF_TYPE_VIDEO_OUTPUT != req_buf->type) { @@ -1342,15 +1389,26 @@ static int vpbe_display_reqbufs(struct file *file, void *priv, return -EBUSY; } /* Initialize videobuf queue as per the buffer type */ - videobuf_queue_dma_contig_init(&layer->buffer_queue, - &video_qops, - vpbe_dev->pdev, - &layer->irqlock, - V4L2_BUF_TYPE_VIDEO_OUTPUT, - layer->pix_fmt.field, - sizeof(struct videobuf_buffer), - fh, NULL); + layer->alloc_ctx = vb2_dma_contig_init_ctx(vpbe_dev->pdev); + if (!layer->alloc_ctx) { + v4l2_err(&vpbe_dev->v4l2_dev, "Failed to get the context\n"); + return -EINVAL; + } + q = &layer->buffer_queue; + memset(q, 0, sizeof(*q)); + q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; + q->io_modes = VB2_MMAP | VB2_USERPTR; + q->drv_priv = fh; + q->ops = &video_qops; + q->mem_ops = &vb2_dma_contig_memops; + q->buf_struct_size = sizeof(struct vpbe_disp_buffer); + ret = vb2_queue_init(q); + if (ret) { + v4l2_err(&vpbe_dev->v4l2_dev, "vb2_queue_init() failed\n"); + vb2_dma_contig_cleanup_ctx(layer->alloc_ctx); + return ret; + } /* Set io allowed member of file handle to TRUE */ fh->io_allowed = 1; /* Increment io usrs member of layer object to 1 */ @@ -1360,9 +1418,7 @@ static int vpbe_display_reqbufs(struct file *file, void *priv, /* Initialize buffer queue */ INIT_LIST_HEAD(&layer->dma_queue); /* Allocate buffers */ - ret = videobuf_reqbufs(&layer->buffer_queue, req_buf); - - return ret; + return vb2_reqbufs(q, req_buf); } /* @@ -1381,7 +1437,7 @@ static int vpbe_display_mmap(struct file *filep, struct vm_area_struct *vma) if (mutex_lock_interruptible(&layer->opslock)) return -ERESTARTSYS; - ret = videobuf_mmap_mapper(&layer->buffer_queue, vma); + ret = vb2_mmap(&layer->buffer_queue, vma); mutex_unlock(&layer->opslock); return ret; } @@ -1398,7 +1454,7 @@ static unsigned int vpbe_display_poll(struct file *filep, poll_table *wait) v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev, "vpbe_display_poll\n"); if (layer->started) { mutex_lock(&layer->opslock); - err = videobuf_poll_stream(filep, &layer->buffer_queue, wait); + err = vb2_poll(&layer->buffer_queue, filep, wait); mutex_unlock(&layer->opslock); } return err; @@ -1488,8 +1544,8 @@ static int vpbe_display_release(struct file *file) layer->layer_info.id); layer->started = 0; /* Free buffers allocated */ - videobuf_queue_cancel(&layer->buffer_queue); - videobuf_mmap_free(&layer->buffer_queue); + vb2_queue_release(&layer->buffer_queue); + vb2_dma_contig_cleanup_ctx(&layer->buffer_queue); } /* Decrement layer usrs counter */ diff --git a/include/media/davinci/vpbe_display.h b/include/media/davinci/vpbe_display.h index dbf6b37682cd..8dffffedbb59 100644 --- a/include/media/davinci/vpbe_display.h +++ b/include/media/davinci/vpbe_display.h @@ -16,7 +16,7 @@ /* Header files */ #include <linux/videodev2.h> #include <media/v4l2-common.h> -#include <media/videobuf-dma-contig.h> +#include <media/videobuf2-dma-contig.h> #include <media/davinci/vpbe_types.h> #include <media/davinci/vpbe_osd.h> #include <media/davinci/vpbe.h> @@ -62,6 +62,11 @@ struct display_layer_info { enum osd_v_exp_ratio v_exp; }; +struct vpbe_disp_buffer { + struct vb2_buffer vb; + struct list_head list; +}; + /* vpbe display object structure */ struct vpbe_layer { /* number of buffers in fbuffers */ @@ -69,13 +74,15 @@ struct vpbe_layer { /* Pointer to the vpbe_display */ struct vpbe_display *disp_dev; /* Pointer pointing to current v4l2_buffer */ - struct videobuf_buffer *cur_frm; + struct vpbe_disp_buffer *cur_frm; /* Pointer pointing to next v4l2_buffer */ - struct videobuf_buffer *next_frm; + struct vpbe_disp_buffer *next_frm; /* videobuf specific parameters * Buffer queue used in video-buf */ - struct videobuf_queue buffer_queue; + struct vb2_queue buffer_queue; + /* allocator-specific contexts for each plane */ + struct vb2_alloc_ctx *alloc_ctx; /* Queue of filled frames */ struct list_head dma_queue; /* Used in video-buf */ |