#include <linux/dma-mapping.h>
#include <linux/slab.h>
-#include <media/videobuf-dma-contig.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-event.h>
OMAP_VIDEO2,
};
-static struct videobuf_queue_ops video_vbq_ops;
/* Variables configurable through module params*/
-static u32 video1_numbuffers = 3;
-static u32 video2_numbuffers = 3;
-static u32 video1_bufsize = OMAP_VOUT_MAX_BUF_SIZE;
-static u32 video2_bufsize = OMAP_VOUT_MAX_BUF_SIZE;
static bool vid1_static_vrfb_alloc;
static bool vid2_static_vrfb_alloc;
static bool debug;
/* Module parameters */
-module_param(video1_numbuffers, uint, S_IRUGO);
-MODULE_PARM_DESC(video1_numbuffers,
- "Number of buffers to be allocated at init time for Video1 device.");
-
-module_param(video2_numbuffers, uint, S_IRUGO);
-MODULE_PARM_DESC(video2_numbuffers,
- "Number of buffers to be allocated at init time for Video2 device.");
-
-module_param(video1_bufsize, uint, S_IRUGO);
-MODULE_PARM_DESC(video1_bufsize,
- "Size of the buffer to be allocated for video1 device");
-
-module_param(video2_bufsize, uint, S_IRUGO);
-MODULE_PARM_DESC(video2_bufsize,
- "Size of the buffer to be allocated for video2 device");
-
module_param(vid1_static_vrfb_alloc, bool, S_IRUGO);
MODULE_PARM_DESC(vid1_static_vrfb_alloc,
"Static allocation of the VRFB buffer for video1 device");
return bpp;
}
-/*
- * omap_vout_get_userptr: Convert user space virtual address to physical
- * address.
- */
-static int omap_vout_get_userptr(struct videobuf_buffer *vb, long virtp,
- u32 *physp)
-{
- struct frame_vector *vec;
- int ret;
-
- /* For kernel direct-mapped memory, take the easy way */
- if (virtp >= PAGE_OFFSET) {
- *physp = virt_to_phys((void *)virtp);
- return 0;
- }
-
- vec = frame_vector_create(1);
- if (!vec)
- return -ENOMEM;
-
- ret = get_vaddr_frames(virtp, 1, FOLL_WRITE, vec);
- if (ret != 1) {
- frame_vector_destroy(vec);
- return -EINVAL;
- }
- *physp = __pfn_to_phys(frame_vector_pfns(vec)[0]);
- vb->priv = vec;
-
- return 0;
-}
-
-/*
- * Free the V4L2 buffers
- */
-void omap_vout_free_buffers(struct omap_vout_device *vout)
-{
- int i, numbuffers;
-
- /* Allocate memory for the buffers */
- numbuffers = (vout->vid) ? video2_numbuffers : video1_numbuffers;
- vout->buffer_size = (vout->vid) ? video2_bufsize : video1_bufsize;
-
- for (i = 0; i < numbuffers; i++) {
- omap_vout_free_buffer(vout->buf_virt_addr[i],
- vout->buffer_size);
- vout->buf_phy_addr[i] = 0;
- vout->buf_virt_addr[i] = 0;
- }
-}
-
/*
* Convert V4L2 rotation to DSS rotation
* V4L2 understand 0, 90, 180, 270.
if (vout->cur_frm == vout->next_frm)
goto err;
- vout->cur_frm->ts = ts;
- vout->cur_frm->state = VIDEOBUF_DONE;
- wake_up_interruptible(&vout->cur_frm->done);
+ vout->cur_frm->vbuf.vb2_buf.timestamp = ts;
+ vout->cur_frm->vbuf.sequence = vout->sequence++;
+ vb2_buffer_done(&vout->cur_frm->vbuf.vb2_buf, VB2_BUF_STATE_DONE);
vout->cur_frm = vout->next_frm;
} else {
if (list_empty(&vout->dma_queue) ||
struct omap_dss_device *cur_display;
struct omap_vout_device *vout = (struct omap_vout_device *)arg;
- if (!vout->streaming)
- return;
-
ovid = &vout->vid_info;
ovl = ovid->overlays[0];
}
if (!vout->first_int && (vout->cur_frm != vout->next_frm)) {
- vout->cur_frm->ts = ts;
- vout->cur_frm->state = VIDEOBUF_DONE;
- wake_up_interruptible(&vout->cur_frm->done);
+ vout->cur_frm->vbuf.vb2_buf.timestamp = ts;
+ vout->cur_frm->vbuf.sequence = vout->sequence++;
+ vb2_buffer_done(&vout->cur_frm->vbuf.vb2_buf, VB2_BUF_STATE_DONE);
vout->cur_frm = vout->next_frm;
}
goto vout_isr_err;
vout->next_frm = list_entry(vout->dma_queue.next,
- struct videobuf_buffer, queue);
+ struct omap_vout_buffer, queue);
list_del(&vout->next_frm->queue);
- vout->next_frm->state = VIDEOBUF_ACTIVE;
-
- addr = (unsigned long) vout->queued_buf_addr[vout->next_frm->i]
+ addr = (unsigned long)vout->queued_buf_addr[vout->next_frm->vbuf.vb2_buf.index]
+ vout->cropped_offset;
/* First save the configuration in ovelray structure */
spin_unlock(&vout->vbq_lock);
}
-/* Video buffer call backs */
-
-/*
- * Buffer setup function is called by videobuf layer when REQBUF ioctl is
- * called. This is used to setup buffers and return size and count of
- * buffers allocated. After the call to this buffer, videobuf layer will
- * setup buffer queue depending on the size and count of buffers
- */
-static int omap_vout_buffer_setup(struct videobuf_queue *q, unsigned int *count,
- unsigned int *size)
-{
- int startindex = 0, i, j;
- u32 phy_addr = 0, virt_addr = 0;
- struct omap_vout_device *vout = q->priv_data;
- struct omapvideo_info *ovid = &vout->vid_info;
- int vid_max_buf_size;
-
- if (!vout)
- return -EINVAL;
-
- vid_max_buf_size = vout->vid == OMAP_VIDEO1 ? video1_bufsize :
- video2_bufsize;
-
- if (V4L2_BUF_TYPE_VIDEO_OUTPUT != q->type)
- return -EINVAL;
-
- startindex = (vout->vid == OMAP_VIDEO1) ?
- video1_numbuffers : video2_numbuffers;
- if (V4L2_MEMORY_MMAP == vout->memory && *count < startindex)
- *count = startindex;
-
- if (ovid->rotation_type == VOUT_ROT_VRFB) {
- if (omap_vout_vrfb_buffer_setup(vout, count, startindex))
- return -ENOMEM;
- }
-
- if (V4L2_MEMORY_MMAP != vout->memory)
- return 0;
-
- /* Now allocated the V4L2 buffers */
- *size = PAGE_ALIGN(vout->pix.width * vout->pix.height * vout->bpp);
- startindex = (vout->vid == OMAP_VIDEO1) ?
- video1_numbuffers : video2_numbuffers;
-
- /* Check the size of the buffer */
- if (*size > vid_max_buf_size) {
- v4l2_err(&vout->vid_dev->v4l2_dev,
- "buffer allocation mismatch [%u] [%u]\n",
- *size, vout->buffer_size);
- return -ENOMEM;
- }
-
- for (i = startindex; i < *count; i++) {
- vout->buffer_size = *size;
-
- virt_addr = omap_vout_alloc_buffer(vout->buffer_size,
- &phy_addr);
- if (!virt_addr) {
- if (ovid->rotation_type == VOUT_ROT_NONE)
- break;
-
- if (!is_rotation_enabled(vout))
- break;
-
- /* Free the VRFB buffers if no space for V4L2 buffers */
- for (j = i; j < *count; j++) {
- omap_vout_free_buffer(vout->smsshado_virt_addr[j],
- vout->smsshado_size);
- vout->smsshado_virt_addr[j] = 0;
- vout->smsshado_phy_addr[j] = 0;
- }
- }
- vout->buf_virt_addr[i] = virt_addr;
- vout->buf_phy_addr[i] = phy_addr;
- }
- *count = vout->buffer_allocated = i;
-
- return 0;
-}
-
-/*
- * Free the V4L2 buffers additionally allocated than default
- * number of buffers
- */
-static void omap_vout_free_extra_buffers(struct omap_vout_device *vout)
-{
- int num_buffers = 0, i;
-
- num_buffers = (vout->vid == OMAP_VIDEO1) ?
- video1_numbuffers : video2_numbuffers;
-
- for (i = num_buffers; i < vout->buffer_allocated; i++) {
- if (vout->buf_virt_addr[i])
- omap_vout_free_buffer(vout->buf_virt_addr[i],
- vout->buffer_size);
-
- vout->buf_virt_addr[i] = 0;
- vout->buf_phy_addr[i] = 0;
- }
- vout->buffer_allocated = num_buffers;
-}
-
-/*
- * This function will be called when VIDIOC_QBUF ioctl is called.
- * It prepare buffers before give out for the display. This function
- * converts user space virtual address into physical address if userptr memory
- * exchange mechanism is used. If rotation is enabled, it copies entire
- * buffer into VRFB memory space before giving it to the DSS.
- */
-static int omap_vout_buffer_prepare(struct videobuf_queue *q,
- struct videobuf_buffer *vb,
- enum v4l2_field field)
-{
- struct omap_vout_device *vout = q->priv_data;
- struct omapvideo_info *ovid = &vout->vid_info;
-
- if (VIDEOBUF_NEEDS_INIT == vb->state) {
- vb->width = vout->pix.width;
- vb->height = vout->pix.height;
- vb->size = vb->width * vb->height * vout->bpp;
- vb->field = field;
- }
- vb->state = VIDEOBUF_PREPARED;
- /* if user pointer memory mechanism is used, get the physical
- * address of the buffer
- */
- if (V4L2_MEMORY_USERPTR == vb->memory) {
- int ret;
-
- if (0 == vb->baddr)
- return -EINVAL;
- /* Physical address */
- ret = omap_vout_get_userptr(vb, vb->baddr,
- (u32 *)&vout->queued_buf_addr[vb->i]);
- if (ret < 0)
- return ret;
- } else {
- unsigned long addr, dma_addr;
- unsigned long size;
-
- addr = (unsigned long) vout->buf_virt_addr[vb->i];
- size = (unsigned long) vb->size;
-
- dma_addr = dma_map_single(vout->vid_dev->v4l2_dev.dev, (void *) addr,
- size, DMA_TO_DEVICE);
- if (dma_mapping_error(vout->vid_dev->v4l2_dev.dev, dma_addr))
- v4l2_err(&vout->vid_dev->v4l2_dev,
- "dma_map_single failed\n");
-
- vout->queued_buf_addr[vb->i] = (u8 *)vout->buf_phy_addr[vb->i];
- }
-
- if (ovid->rotation_type == VOUT_ROT_VRFB)
- return omap_vout_prepare_vrfb(vout, vb);
- else
- return 0;
-}
-
-/*
- * Buffer queue function will be called from the videobuf layer when _QBUF
- * ioctl is called. It is used to enqueue buffer, which is ready to be
- * displayed.
- */
-static void omap_vout_buffer_queue(struct videobuf_queue *q,
- struct videobuf_buffer *vb)
-{
- struct omap_vout_device *vout = q->priv_data;
-
- /* Driver is also maintainig a queue. So enqueue buffer in the driver
- * queue */
- list_add_tail(&vb->queue, &vout->dma_queue);
-
- vb->state = VIDEOBUF_QUEUED;
-}
-
-/*
- * Buffer release function is called from videobuf layer to release buffer
- * which are already allocated
- */
-static void omap_vout_buffer_release(struct videobuf_queue *q,
- struct videobuf_buffer *vb)
-{
- vb->state = VIDEOBUF_NEEDS_INIT;
- if (vb->memory == V4L2_MEMORY_USERPTR && vb->priv) {
- struct frame_vector *vec = vb->priv;
-
- put_vaddr_frames(vec);
- frame_vector_destroy(vec);
- }
-}
-
-/*
- * File operations
- */
-static __poll_t omap_vout_poll(struct file *file,
- struct poll_table_struct *wait)
-{
- __poll_t req_events = poll_requested_events(wait);
- struct omap_vout_device *vout = video_drvdata(file);
- struct videobuf_queue *q = &vout->vbq;
- __poll_t res = 0;
-
- if (req_events & EPOLLPRI)
- res = v4l2_ctrl_poll(file, wait);
- if (req_events & (EPOLLOUT | EPOLLWRNORM))
- res |= videobuf_poll_stream(file, q, wait);
- return res;
-}
-
-static void omap_vout_vm_open(struct vm_area_struct *vma)
-{
- struct omap_vout_device *vout = vma->vm_private_data;
-
- v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev,
- "vm_open [vma=%08lx-%08lx]\n", vma->vm_start, vma->vm_end);
- vout->mmap_count++;
-}
-
-static void omap_vout_vm_close(struct vm_area_struct *vma)
-{
- struct omap_vout_device *vout = vma->vm_private_data;
-
- v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev,
- "vm_close [vma=%08lx-%08lx]\n", vma->vm_start, vma->vm_end);
- vout->mmap_count--;
-}
-
-static const struct vm_operations_struct omap_vout_vm_ops = {
- .open = omap_vout_vm_open,
- .close = omap_vout_vm_close,
-};
-
-static int omap_vout_mmap(struct file *file, struct vm_area_struct *vma)
-{
- int i;
- void *pos;
- unsigned long start = vma->vm_start;
- unsigned long size = (vma->vm_end - vma->vm_start);
- struct omap_vout_device *vout = video_drvdata(file);
- struct videobuf_queue *q = &vout->vbq;
-
- v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev,
- " %s pgoff=0x%lx, start=0x%lx, end=0x%lx\n", __func__,
- vma->vm_pgoff, vma->vm_start, vma->vm_end);
-
- /* look for the buffer to map */
- for (i = 0; i < VIDEO_MAX_FRAME; i++) {
- if (NULL == q->bufs[i])
- continue;
- if (V4L2_MEMORY_MMAP != q->bufs[i]->memory)
- continue;
- if (q->bufs[i]->boff == (vma->vm_pgoff << PAGE_SHIFT))
- break;
- }
-
- if (VIDEO_MAX_FRAME == i) {
- v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev,
- "offset invalid [offset=0x%lx]\n",
- (vma->vm_pgoff << PAGE_SHIFT));
- return -EINVAL;
- }
- /* Check the size of the buffer */
- if (size > vout->buffer_size) {
- v4l2_err(&vout->vid_dev->v4l2_dev,
- "insufficient memory [%lu] [%u]\n",
- size, vout->buffer_size);
- return -ENOMEM;
- }
-
- q->bufs[i]->baddr = vma->vm_start;
-
- vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP;
- vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
- vma->vm_ops = &omap_vout_vm_ops;
- vma->vm_private_data = (void *) vout;
- pos = (void *)vout->buf_virt_addr[i];
- vma->vm_pgoff = virt_to_phys((void *)pos) >> PAGE_SHIFT;
- while (size > 0) {
- unsigned long pfn;
- pfn = virt_to_phys((void *) pos) >> PAGE_SHIFT;
- if (remap_pfn_range(vma, start, pfn, PAGE_SIZE, PAGE_SHARED))
- return -EAGAIN;
- start += PAGE_SIZE;
- pos += PAGE_SIZE;
- size -= PAGE_SIZE;
- }
- vout->mmap_count++;
- v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Exiting %s\n", __func__);
-
- return 0;
-}
-
-static int omap_vout_release(struct file *file)
-{
- unsigned int ret, i;
- struct videobuf_queue *q;
- struct omapvideo_info *ovid;
- struct omap_vout_device *vout = video_drvdata(file);
-
- v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Entering %s\n", __func__);
- ovid = &vout->vid_info;
-
- if (!vout)
- return 0;
-
- q = &vout->vbq;
- /* Disable all the overlay managers connected with this interface */
- for (i = 0; i < ovid->num_overlays; i++) {
- struct omap_overlay *ovl = ovid->overlays[i];
- struct omap_dss_device *dssdev = ovl->get_device(ovl);
-
- if (dssdev)
- ovl->disable(ovl);
- }
- /* Turn off the pipeline */
- ret = omapvid_apply_changes(vout);
- if (ret)
- v4l2_warn(&vout->vid_dev->v4l2_dev,
- "Unable to apply changes\n");
-
- /* Free all buffers */
- omap_vout_free_extra_buffers(vout);
-
- /* Free the VRFB buffers only if they are allocated
- * during reqbufs. Don't free if init time allocated
- */
- if (ovid->rotation_type == VOUT_ROT_VRFB) {
- if (!vout->vrfb_static_allocation)
- omap_vout_free_vrfb_buffers(vout);
- }
- videobuf_mmap_free(q);
-
- /* Even if apply changes fails we should continue
- freeing allocated memory */
- if (vout->streaming) {
- u32 mask = 0;
-
- mask = DISPC_IRQ_VSYNC | DISPC_IRQ_EVSYNC_EVEN |
- DISPC_IRQ_EVSYNC_ODD | DISPC_IRQ_VSYNC2;
- omap_dispc_unregister_isr(omap_vout_isr, vout, mask);
- vout->streaming = false;
-
- videobuf_streamoff(q);
- videobuf_queue_cancel(q);
- }
-
- if (vout->mmap_count != 0)
- vout->mmap_count = 0;
-
- vout->opened -= 1;
- v4l2_fh_release(file);
-
- if (vout->buffer_allocated)
- videobuf_mmap_free(q);
-
- v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Exiting %s\n", __func__);
- return ret;
-}
-
-static int omap_vout_open(struct file *file)
-{
- struct videobuf_queue *q;
- struct omap_vout_device *vout = video_drvdata(file);
- int ret;
-
- if (vout == NULL)
- return -ENODEV;
-
- v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Entering %s\n", __func__);
-
- /* for now, we only support single open */
- if (vout->opened)
- return -EBUSY;
-
- ret = v4l2_fh_open(file);
- if (ret)
- return ret;
-
- vout->opened += 1;
- vout->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
-
- q = &vout->vbq;
- video_vbq_ops.buf_setup = omap_vout_buffer_setup;
- video_vbq_ops.buf_prepare = omap_vout_buffer_prepare;
- video_vbq_ops.buf_release = omap_vout_buffer_release;
- video_vbq_ops.buf_queue = omap_vout_buffer_queue;
- spin_lock_init(&vout->vbq_lock);
-
- videobuf_queue_dma_contig_init(q, &video_vbq_ops, q->dev,
- &vout->vbq_lock, vout->type, V4L2_FIELD_NONE,
- sizeof(struct videobuf_buffer), vout, NULL);
-
- v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Exiting %s\n", __func__);
- return 0;
-}
/*
* V4L2 ioctls
struct omap_vout_device *vout = video_drvdata(file);
struct omap_dss_device *dssdev;
- if (vout->streaming)
+ if (vb2_is_busy(&vout->vq))
return -EBUSY;
- mutex_lock(&vout->lock);
-
ovid = &vout->vid_info;
ovl = ovid->overlays[0];
dssdev = ovl->get_device(ovl);
ret = 0;
s_fmt_vid_out_exit:
- mutex_unlock(&vout->lock);
return ret;
}
struct omap_vout_device *vout = video_drvdata(file);
struct v4l2_window *win = &f->fmt.win;
- mutex_lock(&vout->lock);
ovid = &vout->vid_info;
ovl = ovid->overlays[0];
info.trans_key = vout->win.chromakey;
if (ovl->manager->set_manager_info(ovl->manager, &info))
- ret = -EINVAL;
+ return -EINVAL;
}
}
- mutex_unlock(&vout->lock);
return ret;
}
if (sel->target != V4L2_SEL_TGT_CROP)
return -EINVAL;
- if (vout->streaming)
+ if (vb2_is_busy(&vout->vq))
return -EBUSY;
- mutex_lock(&vout->lock);
ovid = &vout->vid_info;
ovl = ovid->overlays[0];
/* get the display device attached to the overlay */
&vout->fbuf, &sel->r);
s_crop_err:
- mutex_unlock(&vout->lock);
return ret;
}
ovid = &vout->vid_info;
- mutex_lock(&vout->lock);
if (rotation && ovid->rotation_type == VOUT_ROT_NONE) {
- mutex_unlock(&vout->lock);
ret = -ERANGE;
break;
}
if (rotation && vout->pix.pixelformat == V4L2_PIX_FMT_RGB24) {
- mutex_unlock(&vout->lock);
ret = -EINVAL;
break;
}
if (v4l2_rot_to_dss_rot(rotation, &vout->rotation,
vout->mirror)) {
- mutex_unlock(&vout->lock);
ret = -EINVAL;
break;
}
- mutex_unlock(&vout->lock);
break;
}
case V4L2_CID_BG_COLOR:
ovl = vout->vid_info.overlays[0];
- mutex_lock(&vout->lock);
if (!ovl->manager || !ovl->manager->get_manager_info) {
- mutex_unlock(&vout->lock);
ret = -EINVAL;
break;
}
ovl->manager->get_manager_info(ovl->manager, &info);
info.default_color = color;
if (ovl->manager->set_manager_info(ovl->manager, &info)) {
- mutex_unlock(&vout->lock);
ret = -EINVAL;
break;
}
- mutex_unlock(&vout->lock);
break;
}
case V4L2_CID_VFLIP:
ovid = &vout->vid_info;
- mutex_lock(&vout->lock);
if (mirror && ovid->rotation_type == VOUT_ROT_NONE) {
- mutex_unlock(&vout->lock);
ret = -ERANGE;
break;
}
if (mirror && vout->pix.pixelformat == V4L2_PIX_FMT_RGB24) {
- mutex_unlock(&vout->lock);
ret = -EINVAL;
break;
}
vout->mirror = mirror;
- mutex_unlock(&vout->lock);
break;
}
default:
.s_ctrl = omap_vout_s_ctrl,
};
-static int vidioc_reqbufs(struct file *file, void *fh,
- struct v4l2_requestbuffers *req)
+static int omap_vout_vb2_queue_setup(struct vb2_queue *vq,
+ unsigned int *nbufs,
+ unsigned int *num_planes, unsigned int sizes[],
+ struct device *alloc_devs[])
{
- int ret = 0;
- unsigned int i, num_buffers = 0;
- struct omap_vout_device *vout = video_drvdata(file);
- struct videobuf_queue *q = &vout->vbq;
-
- if (req->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
- return -EINVAL;
- /* if memory is not mmp or userptr
- return error */
- if ((V4L2_MEMORY_MMAP != req->memory) &&
- (V4L2_MEMORY_USERPTR != req->memory))
- return -EINVAL;
+ struct omap_vout_device *vout = vb2_get_drv_priv(vq);
+ int size = vout->pix.sizeimage;
- mutex_lock(&vout->lock);
- /* Cannot be requested when streaming is on */
- if (vout->streaming) {
- ret = -EBUSY;
- goto reqbuf_err;
- }
-
- /* If buffers are already allocated free them */
- if (q->bufs[0] && (V4L2_MEMORY_MMAP == q->bufs[0]->memory)) {
- if (vout->mmap_count) {
- ret = -EBUSY;
- goto reqbuf_err;
- }
- num_buffers = (vout->vid == OMAP_VIDEO1) ?
- video1_numbuffers : video2_numbuffers;
- for (i = num_buffers; i < vout->buffer_allocated; i++) {
- omap_vout_free_buffer(vout->buf_virt_addr[i],
- vout->buffer_size);
- vout->buf_virt_addr[i] = 0;
- vout->buf_phy_addr[i] = 0;
- }
- vout->buffer_allocated = num_buffers;
- videobuf_mmap_free(q);
- } else if (q->bufs[0] && (V4L2_MEMORY_USERPTR == q->bufs[0]->memory)) {
- if (vout->buffer_allocated) {
- videobuf_mmap_free(q);
- for (i = 0; i < vout->buffer_allocated; i++) {
- kfree(q->bufs[i]);
- q->bufs[i] = NULL;
- }
- vout->buffer_allocated = 0;
- }
+ if (is_rotation_enabled(vout) && vq->num_buffers + *nbufs > VRFB_NUM_BUFS) {
+ *nbufs = VRFB_NUM_BUFS - vq->num_buffers;
+ if (*nbufs == 0)
+ return -EINVAL;
}
- /*store the memory type in data structure */
- vout->memory = req->memory;
-
- INIT_LIST_HEAD(&vout->dma_queue);
-
- /* call videobuf_reqbufs api */
- ret = videobuf_reqbufs(q, req);
- if (ret < 0)
- goto reqbuf_err;
+ if (*num_planes)
+ return sizes[0] < size ? -EINVAL : 0;
- vout->buffer_allocated = req->count;
-
-reqbuf_err:
- mutex_unlock(&vout->lock);
- return ret;
-}
-
-static int vidioc_querybuf(struct file *file, void *fh,
- struct v4l2_buffer *b)
-{
- struct omap_vout_device *vout = video_drvdata(file);
-
- return videobuf_querybuf(&vout->vbq, b);
+ *num_planes = 1;
+ sizes[0] = size;
+ return 0;
}
-static int vidioc_qbuf(struct file *file, void *fh,
- struct v4l2_buffer *buffer)
+static int omap_vout_vb2_prepare(struct vb2_buffer *vb)
{
- struct omap_vout_device *vout = video_drvdata(file);
- struct videobuf_queue *q = &vout->vbq;
+ struct omap_vout_device *vout = vb2_get_drv_priv(vb->vb2_queue);
+ struct omapvideo_info *ovid = &vout->vid_info;
+ struct omap_vout_buffer *voutbuf = vb2_to_omap_vout_buffer(vb);
+ dma_addr_t buf_phy_addr = vb2_dma_contig_plane_dma_addr(vb, 0);
- if ((V4L2_BUF_TYPE_VIDEO_OUTPUT != buffer->type) ||
- (buffer->index >= vout->buffer_allocated) ||
- (q->bufs[buffer->index]->memory != buffer->memory)) {
+ if (vb2_plane_size(vb, 0) < vout->pix.sizeimage) {
+ v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev,
+ "%s data will not fit into plane (%lu < %u)\n",
+ __func__, vb2_plane_size(vb, 0), vout->pix.sizeimage);
return -EINVAL;
}
- if (V4L2_MEMORY_USERPTR == buffer->memory) {
- if ((buffer->length < vout->pix.sizeimage) ||
- (0 == buffer->m.userptr)) {
- return -EINVAL;
- }
- }
- if ((is_rotation_enabled(vout)) &&
- vout->vrfb_dma_tx.req_status == DMA_CHAN_NOT_ALLOTED) {
- v4l2_warn(&vout->vid_dev->v4l2_dev,
- "DMA Channel not allocated for Rotation\n");
- return -EINVAL;
- }
+ vb2_set_plane_payload(vb, 0, vout->pix.sizeimage);
+ voutbuf->vbuf.field = V4L2_FIELD_NONE;
- return videobuf_qbuf(q, buffer);
+ vout->queued_buf_addr[vb->index] = (u8 *)buf_phy_addr;
+ if (ovid->rotation_type == VOUT_ROT_VRFB)
+ return omap_vout_prepare_vrfb(vout, vb);
+ return 0;
}
-static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *b)
+static void omap_vout_vb2_queue(struct vb2_buffer *vb)
{
- struct omap_vout_device *vout = video_drvdata(file);
- struct videobuf_queue *q = &vout->vbq;
-
- int ret;
- u32 addr;
- unsigned long size;
- struct videobuf_buffer *vb;
-
- if (!vout->streaming)
- return -EINVAL;
+ struct omap_vout_device *vout = vb2_get_drv_priv(vb->vb2_queue);
+ struct omap_vout_buffer *voutbuf = vb2_to_omap_vout_buffer(vb);
- ret = videobuf_dqbuf(q, b, !!(file->f_flags & O_NONBLOCK));
- if (ret)
- return ret;
-
- vb = q->bufs[b->index];
-
- addr = (unsigned long) vout->buf_phy_addr[vb->i];
- size = (unsigned long) vb->size;
- dma_unmap_single(vout->vid_dev->v4l2_dev.dev, addr,
- size, DMA_TO_DEVICE);
- return 0;
+ list_add_tail(&voutbuf->queue, &vout->dma_queue);
}
-static int vidioc_streamon(struct file *file, void *fh, enum v4l2_buf_type i)
+static int omap_vout_vb2_start_streaming(struct vb2_queue *vq, unsigned int count)
{
- int ret = 0, j;
- u32 addr = 0, mask = 0;
- struct omap_vout_device *vout = video_drvdata(file);
- struct videobuf_queue *q = &vout->vbq;
+ struct omap_vout_device *vout = vb2_get_drv_priv(vq);
struct omapvideo_info *ovid = &vout->vid_info;
-
- mutex_lock(&vout->lock);
-
- if (vout->streaming) {
- ret = -EBUSY;
- goto streamon_err;
- }
-
- ret = videobuf_streamon(q);
- if (ret)
- goto streamon_err;
-
- if (list_empty(&vout->dma_queue)) {
- ret = -EIO;
- goto streamon_err1;
- }
+ struct omap_vout_buffer *buf, *tmp;
+ u32 addr = 0, mask = 0;
+ int ret, j;
/* Get the next frame from the buffer queue */
vout->next_frm = vout->cur_frm = list_entry(vout->dma_queue.next,
- struct videobuf_buffer, queue);
+ struct omap_vout_buffer, queue);
/* Remove buffer from the buffer queue */
list_del(&vout->cur_frm->queue);
- /* Mark state of the current frame to active */
- vout->cur_frm->state = VIDEOBUF_ACTIVE;
/* Initialize field_id and started member */
vout->field_id = 0;
-
- /* set flag here. Next QBUF will start DMA */
- vout->streaming = true;
-
vout->first_int = 1;
+ vout->sequence = 0;
if (omap_vout_calculate_offset(vout)) {
ret = -EINVAL;
- goto streamon_err1;
+ goto out;
}
- addr = (unsigned long) vout->queued_buf_addr[vout->cur_frm->i]
+ if (ovid->rotation_type == VOUT_ROT_VRFB)
+ if (omap_vout_vrfb_buffer_setup(vout, &count, 0)) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ addr = (unsigned long)vout->queued_buf_addr[vout->cur_frm->vbuf.vb2_buf.index]
+ vout->cropped_offset;
mask = DISPC_IRQ_VSYNC | DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD
| DISPC_IRQ_VSYNC2;
- /* First save the configuration in ovelray structure */
+ /* First save the configuration in overlay structure */
ret = omapvid_init(vout, addr);
if (ret) {
v4l2_err(&vout->vid_dev->v4l2_dev,
goto streamon_err1;
}
}
-
- ret = 0;
+ return 0;
streamon_err1:
- if (ret)
- ret = videobuf_streamoff(q);
-streamon_err:
- mutex_unlock(&vout->lock);
+ mask = DISPC_IRQ_VSYNC | DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD
+ | DISPC_IRQ_VSYNC2;
+
+ omap_dispc_unregister_isr(omap_vout_isr, vout, mask);
+
+ for (j = 0; j < ovid->num_overlays; j++) {
+ struct omap_overlay *ovl = ovid->overlays[j];
+ struct omap_dss_device *dssdev = ovl->get_device(ovl);
+
+ if (dssdev)
+ ovl->disable(ovl);
+ }
+ /* Turn of the pipeline */
+ if (omapvid_apply_changes(vout))
+ v4l2_err(&vout->vid_dev->v4l2_dev,
+ "failed to change mode in streamoff\n");
+
+out:
+ vb2_buffer_done(&vout->cur_frm->vbuf.vb2_buf, VB2_BUF_STATE_QUEUED);
+ list_for_each_entry_safe(buf, tmp, &vout->dma_queue, queue) {
+ list_del(&buf->queue);
+ vb2_buffer_done(&buf->vbuf.vb2_buf, VB2_BUF_STATE_QUEUED);
+ }
return ret;
}
-static int vidioc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i)
+static void omap_vout_vb2_stop_streaming(struct vb2_queue *vq)
{
- u32 mask = 0;
- int ret = 0, j;
- struct omap_vout_device *vout = video_drvdata(file);
+ struct omap_vout_device *vout = vb2_get_drv_priv(vq);
struct omapvideo_info *ovid = &vout->vid_info;
+ struct omap_vout_buffer *buf, *tmp;
+ u32 mask = 0;
+ int j;
- if (!vout->streaming)
- return -EINVAL;
-
- vout->streaming = false;
mask = DISPC_IRQ_VSYNC | DISPC_IRQ_EVSYNC_EVEN | DISPC_IRQ_EVSYNC_ODD
| DISPC_IRQ_VSYNC2;
if (dssdev)
ovl->disable(ovl);
}
-
/* Turn of the pipeline */
- ret = omapvid_apply_changes(vout);
- if (ret)
+ if (omapvid_apply_changes(vout))
v4l2_err(&vout->vid_dev->v4l2_dev,
"failed to change mode in streamoff\n");
- INIT_LIST_HEAD(&vout->dma_queue);
- ret = videobuf_streamoff(&vout->vbq);
-
- return ret;
+ if (vout->next_frm != vout->cur_frm)
+ vb2_buffer_done(&vout->next_frm->vbuf.vb2_buf, VB2_BUF_STATE_ERROR);
+ vb2_buffer_done(&vout->cur_frm->vbuf.vb2_buf, VB2_BUF_STATE_ERROR);
+ list_for_each_entry_safe(buf, tmp, &vout->dma_queue, queue) {
+ list_del(&buf->queue);
+ vb2_buffer_done(&buf->vbuf.vb2_buf, VB2_BUF_STATE_ERROR);
+ }
}
static int vidioc_s_fbuf(struct file *file, void *fh,
.vidioc_enum_output = vidioc_enum_output,
.vidioc_g_output = vidioc_g_output,
.vidioc_s_output = vidioc_s_output,
- .vidioc_reqbufs = vidioc_reqbufs,
- .vidioc_querybuf = vidioc_querybuf,
- .vidioc_qbuf = vidioc_qbuf,
- .vidioc_dqbuf = vidioc_dqbuf,
- .vidioc_streamon = vidioc_streamon,
- .vidioc_streamoff = vidioc_streamoff,
+ .vidioc_reqbufs = vb2_ioctl_reqbufs,
+ .vidioc_create_bufs = vb2_ioctl_create_bufs,
+ .vidioc_querybuf = vb2_ioctl_querybuf,
+ .vidioc_qbuf = vb2_ioctl_qbuf,
+ .vidioc_dqbuf = vb2_ioctl_dqbuf,
+ .vidioc_expbuf = vb2_ioctl_expbuf,
+ .vidioc_streamon = vb2_ioctl_streamon,
+ .vidioc_streamoff = vb2_ioctl_streamoff,
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static const struct v4l2_file_operations omap_vout_fops = {
.owner = THIS_MODULE,
- .poll = omap_vout_poll,
.unlocked_ioctl = video_ioctl2,
- .mmap = omap_vout_mmap,
- .open = omap_vout_open,
- .release = omap_vout_release,
+ .poll = vb2_fop_poll,
+ .mmap = vb2_fop_mmap,
+ .open = v4l2_fh_open,
+ .release = vb2_fop_release,
+};
+
+static const struct vb2_ops omap_vout_vb2_ops = {
+ .queue_setup = omap_vout_vb2_queue_setup,
+ .buf_queue = omap_vout_vb2_queue,
+ .buf_prepare = omap_vout_vb2_prepare,
+ .start_streaming = omap_vout_vb2_start_streaming,
+ .stop_streaming = omap_vout_vb2_stop_streaming,
+ .wait_prepare = vb2_ops_wait_prepare,
+ .wait_finish = vb2_ops_wait_finish,
};
/* Init functions used during driver initialization */
struct omap_overlay *ovl = vout->vid_info.overlays[0];
struct omap_dss_device *display = ovl->get_device(ovl);
struct v4l2_ctrl_handler *hdl;
+ struct vb2_queue *vq;
+ int ret;
/* set the default pix */
pix = &vout->pix;
vout->bpp = RGB565_BPP;
vout->fbuf.fmt.width = display->panel.timings.x_res;
vout->fbuf.fmt.height = display->panel.timings.y_res;
+ vout->cropped_offset = 0;
/* Set the data structures for the overlay parameters*/
vout->fbuf.flags = V4L2_FBUF_FLAG_OVERLAY;
vout->rotation = 0;
vout->mirror = false;
+ INIT_LIST_HEAD(&vout->dma_queue);
if (vout->vid_info.rotation_type == VOUT_ROT_VRFB)
vout->vrfb_bpp = 2;
vfd->fops = &omap_vout_fops;
vfd->v4l2_dev = &vout->vid_dev->v4l2_dev;
vfd->vfl_dir = VFL_DIR_TX;
+ vfd->minor = -1;
vfd->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_OUTPUT |
V4L2_CAP_VIDEO_OUTPUT_OVERLAY;
mutex_init(&vout->lock);
- vfd->minor = -1;
- return 0;
-
+ vq = &vout->vq;
+ vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
+ vq->io_modes = VB2_MMAP | VB2_DMABUF;
+ vq->drv_priv = vout;
+ vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
+ vq->buf_struct_size = sizeof(struct omap_vout_buffer);
+ vq->dev = vfd->v4l2_dev->dev;
+
+ vq->ops = &omap_vout_vb2_ops;
+ vq->mem_ops = &vb2_dma_contig_memops;
+ vq->lock = &vout->lock;
+ vq->min_buffers_needed = 1;
+ vfd->queue = vq;
+
+ ret = vb2_queue_init(vq);
+ if (ret) {
+ v4l2_ctrl_handler_free(hdl);
+ video_device_release(vfd);
+ }
+ return ret;
}
/* Setup video buffers */
static int __init omap_vout_setup_video_bufs(struct platform_device *pdev,
int vid_num)
{
- u32 numbuffers;
- int ret = 0, i;
struct omapvideo_info *ovid;
struct omap_vout_device *vout;
struct v4l2_device *v4l2_dev = platform_get_drvdata(pdev);
struct omap2video_device *vid_dev =
container_of(v4l2_dev, struct omap2video_device, v4l2_dev);
+ int ret = 0;
vout = vid_dev->vouts[vid_num];
ovid = &vout->vid_info;
- numbuffers = (vid_num == 0) ? video1_numbuffers : video2_numbuffers;
- vout->buffer_size = (vid_num == 0) ? video1_bufsize : video2_bufsize;
- dev_info(&pdev->dev, "Buffer Size = %d\n", vout->buffer_size);
-
- for (i = 0; i < numbuffers; i++) {
- vout->buf_virt_addr[i] =
- omap_vout_alloc_buffer(vout->buffer_size,
- (u32 *) &vout->buf_phy_addr[i]);
- if (!vout->buf_virt_addr[i]) {
- numbuffers = i;
- ret = -ENOMEM;
- goto free_buffers;
- }
- }
-
- vout->cropped_offset = 0;
-
if (ovid->rotation_type == VOUT_ROT_VRFB) {
bool static_vrfb_allocation = (vid_num == 0) ?
vid1_static_vrfb_alloc : vid2_static_vrfb_alloc;
ret = omap_vout_setup_vrfb_bufs(pdev, vid_num,
static_vrfb_allocation);
}
-
return ret;
-
-free_buffers:
- for (i = 0; i < numbuffers; i++) {
- omap_vout_free_buffer(vout->buf_virt_addr[i],
- vout->buffer_size);
- vout->buf_virt_addr[i] = 0;
- vout->buf_phy_addr[i] = 0;
- }
- return ret;
-
}
/* Create video out devices */
vout->vid_info.overlays[0] = vid_dev->overlays[k + 1];
vout->vid_info.num_overlays = 1;
vout->vid_info.id = k + 1;
+ spin_lock_init(&vout->vbq_lock);
/*
* Set the framebuffer base, this allows applications to find
* the fb corresponding to this overlay.
error2:
if (vout->vid_info.rotation_type == VOUT_ROT_VRFB)
omap_vout_release_vrfb(vout);
- omap_vout_free_buffers(vout);
error1:
video_device_release(vfd);
error:
if (vout->vrfb_static_allocation)
omap_vout_free_vrfb_buffers(vout);
}
- omap_vout_free_buffers(vout);
kfree(vout);
}
git.samba.org / sfrench / cifs-2.6.git / blobdiff