Porting to videobuf 2 and minor cleanup.
Separate videobuf_queue_ops are are created for m2m
and capture video nodes.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
config VIDEO_SAMSUNG_S5P_FIMC
tristate "Samsung S5P FIMC (video postprocessor) driver"
depends on VIDEO_DEV && VIDEO_V4L2 && PLAT_S5P
- depends on BROKEN
- select VIDEOBUF_DMA_CONTIG
+ select VIDEOBUF2_DMA_CONTIG
select V4L2_MEM2MEM_DEV
help
This is a v4l2 driver for the S5P camera interface
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-mem2mem.h>
-#include <media/videobuf-core.h>
-#include <media/videobuf-dma-contig.h>
+#include <media/videobuf2-core.h>
+#include <media/videobuf2-dma-contig.h>
#include "fimc-core.h"
* Locking: The caller holds fimc->slock spinlock.
*/
int fimc_vid_cap_buf_queue(struct fimc_dev *fimc,
- struct fimc_vid_buffer *fimc_vb)
+ struct fimc_vid_buffer *fimc_vb)
{
struct fimc_vid_cap *cap = &fimc->vid_cap;
struct fimc_ctx *ctx = cap->ctx;
BUG_ON(!fimc || !fimc_vb);
- ret = fimc_prepare_addr(ctx, fimc_vb, &ctx->d_frame,
+ ret = fimc_prepare_addr(ctx, &fimc_vb->vb, &ctx->d_frame,
&fimc_vb->paddr);
if (ret)
return ret;
{
unsigned long flags;
struct fimc_vid_cap *cap;
- int ret;
+ struct fimc_vid_buffer *buf;
cap = &fimc->vid_cap;
1 << ST_CAPT_STREAM);
fimc->vid_cap.active_buf_cnt = 0;
+
+ /* Release buffers that were enqueued in the driver by videobuf2. */
+ while (!list_empty(&cap->pending_buf_q)) {
+ buf = pending_queue_pop(cap);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ }
+
+ while (!list_empty(&cap->active_buf_q)) {
+ buf = active_queue_pop(cap);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR);
+ }
+
spin_unlock_irqrestore(&fimc->slock, flags);
dbg("state: 0x%lx", fimc->state);
return 0;
}
+static int start_streaming(struct vb2_queue *q)
+{
+ struct fimc_ctx *ctx = q->drv_priv;
+ struct fimc_dev *fimc = ctx->fimc_dev;
+ struct s3c_fimc_isp_info *isp_info;
+ int ret;
+
+ ret = v4l2_subdev_call(fimc->vid_cap.sd, video, s_stream, 1);
+ if (ret && ret != -ENOIOCTLCMD)
+ return ret;
+
+ ret = fimc_prepare_config(ctx, ctx->state);
+ if (ret)
+ return ret;
+
+ isp_info = fimc->pdata->isp_info[fimc->vid_cap.input_index];
+ fimc_hw_set_camera_type(fimc, isp_info);
+ fimc_hw_set_camera_source(fimc, isp_info);
+ fimc_hw_set_camera_offset(fimc, &ctx->s_frame);
+
+ if (ctx->state & FIMC_PARAMS) {
+ ret = fimc_set_scaler_info(ctx);
+ if (ret) {
+ err("Scaler setup error");
+ return ret;
+ }
+ fimc_hw_set_input_path(ctx);
+ fimc_hw_set_scaler(ctx);
+ fimc_hw_set_target_format(ctx);
+ fimc_hw_set_rotation(ctx);
+ fimc_hw_set_effect(ctx);
+ }
+
+ fimc_hw_set_output_path(ctx);
+ fimc_hw_set_out_dma(ctx);
+
+ INIT_LIST_HEAD(&fimc->vid_cap.pending_buf_q);
+ INIT_LIST_HEAD(&fimc->vid_cap.active_buf_q);
+ fimc->vid_cap.active_buf_cnt = 0;
+ fimc->vid_cap.frame_count = 0;
+ fimc->vid_cap.buf_index = fimc_hw_get_frame_index(fimc);
+
+ set_bit(ST_CAPT_PEND, &fimc->state);
+
+ return 0;
+}
+
+static int stop_streaming(struct vb2_queue *q)
+{
+ struct fimc_ctx *ctx = q->drv_priv;
+ struct fimc_dev *fimc = ctx->fimc_dev;
+ unsigned long flags;
+
+ spin_lock_irqsave(&fimc->slock, flags);
+ if (!fimc_capture_running(fimc) && !fimc_capture_pending(fimc)) {
+ spin_unlock_irqrestore(&fimc->slock, flags);
+ return -EINVAL;
+ }
+ spin_unlock_irqrestore(&fimc->slock, flags);
+
+ return fimc_stop_capture(fimc);
+}
+
+static unsigned int get_plane_size(struct fimc_frame *frame, unsigned int plane)
+{
+ unsigned long size = 0;
+
+ if (!frame || plane > frame->fmt->buff_cnt - 1)
+ return 0;
+
+ if (1 == frame->fmt->planes_cnt) {
+ size = (frame->width * frame->height * frame->fmt->depth) >> 3;
+ } else if (frame->fmt->planes_cnt <= 3) {
+ switch (plane) {
+ case 0:
+ size = frame->width * frame->height;
+ break;
+ case 1:
+ case 2:
+ if (S5P_FIMC_YCBCR420 == frame->fmt->color
+ && 2 != frame->fmt->planes_cnt)
+ size = (frame->width * frame->height) >> 2;
+ else /* 422 */
+ size = (frame->width * frame->height) >> 1;
+ break;
+ }
+ } else {
+ size = 0;
+ }
+
+ return size;
+}
+
+static int queue_setup(struct vb2_queue *vq, unsigned int *num_buffers,
+ unsigned int *num_planes, unsigned long sizes[],
+ void *allocators[])
+{
+ struct fimc_ctx *ctx = vq->drv_priv;
+ struct fimc_fmt *fmt = fmt = ctx->d_frame.fmt;
+ struct fimc_frame *frame;
+
+ if (!fmt)
+ return -EINVAL;
+
+ *num_planes = fmt->buff_cnt;
+
+ dbg("%s, buffer count=%d, plane count=%d",
+ __func__, *num_buffers, *num_planes);
+
+ frame = ctx_get_frame(ctx, vq->type);
+ if (IS_ERR(frame))
+ return PTR_ERR(frame);
+
+ sizes[0] = get_plane_size(frame, 0);
+ allocators[0] = ctx->fimc_dev->alloc_ctx;
+
+ return -EINVAL;
+}
+
+static int buffer_init(struct vb2_buffer *vb)
+{
+ /* TODO: */
+ return 0;
+}
+
+static int buffer_prepare(struct vb2_buffer *vb)
+{
+ struct vb2_queue *vq = vb->vb2_queue;
+ struct fimc_ctx *ctx = vq->drv_priv;
+ struct v4l2_device *v4l2_dev = &ctx->fimc_dev->m2m.v4l2_dev;
+ struct fimc_frame *frame;
+ unsigned long size;
+ int i;
+
+ frame = ctx_get_frame(ctx, vq->type);
+ if (IS_ERR(frame))
+ return PTR_ERR(frame);
+
+ for (i = 0; i < frame->fmt->buff_cnt; i++) {
+ size = get_plane_size(frame, i);
+
+ if (vb2_plane_size(vb, i) < size) {
+ v4l2_err(v4l2_dev, "User buffer too small (%ld < %ld)\n",
+ vb2_plane_size(vb, i), size);
+ return -EINVAL;
+ }
+
+ vb2_set_plane_payload(vb, i, size);
+ }
+
+ return 0;
+}
+
+static void buffer_queue(struct vb2_buffer *vb)
+{
+ struct fimc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
+ struct fimc_dev *fimc = ctx->fimc_dev;
+ struct fimc_vid_buffer *buf
+ = container_of(vb, struct fimc_vid_buffer, vb);
+ struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
+ unsigned long flags;
+
+ spin_lock_irqsave(&fimc->slock, flags);
+ fimc_vid_cap_buf_queue(fimc, buf);
+
+ dbg("active_buf_cnt: %d", fimc->vid_cap.active_buf_cnt);
+
+ if (vid_cap->active_buf_cnt >= vid_cap->reqbufs_count ||
+ vid_cap->active_buf_cnt >= FIMC_MAX_OUT_BUFS) {
+ if (!test_and_set_bit(ST_CAPT_STREAM, &fimc->state)) {
+ fimc_activate_capture(ctx);
+ dbg("");
+ }
+ }
+ spin_unlock_irqrestore(&fimc->slock, flags);
+}
+
+static void fimc_lock(struct vb2_queue *vq)
+{
+ struct fimc_ctx *ctx = vb2_get_drv_priv(vq);
+ mutex_lock(&ctx->fimc_dev->lock);
+}
+
+static void fimc_unlock(struct vb2_queue *vq)
+{
+ struct fimc_ctx *ctx = vb2_get_drv_priv(vq);
+ mutex_unlock(&ctx->fimc_dev->lock);
+}
+
+static struct vb2_ops fimc_capture_qops = {
+ .queue_setup = queue_setup,
+ .buf_prepare = buffer_prepare,
+ .buf_queue = buffer_queue,
+ .buf_init = buffer_init,
+ .wait_prepare = fimc_unlock,
+ .wait_finish = fimc_lock,
+ .start_streaming = start_streaming,
+ .stop_streaming = stop_streaming,
+};
+
static int fimc_capture_open(struct file *file)
{
struct fimc_dev *fimc = video_drvdata(file);
if (--fimc->vid_cap.refcnt == 0) {
fimc_stop_capture(fimc);
-
- videobuf_stop(&fimc->vid_cap.vbq);
- videobuf_mmap_free(&fimc->vid_cap.vbq);
+ vb2_queue_release(&fimc->vid_cap.vbq);
v4l2_err(&fimc->vid_cap.v4l2_dev, "releasing ISP\n");
+
v4l2_subdev_call(fimc->vid_cap.sd, core, s_power, 0);
fimc_subdev_unregister(fimc);
}
{
struct fimc_ctx *ctx = file->private_data;
struct fimc_dev *fimc = ctx->fimc_dev;
- struct fimc_vid_cap *cap = &fimc->vid_cap;
int ret;
if (mutex_lock_interruptible(&fimc->lock))
return POLLERR;
- ret = videobuf_poll_stream(file, &cap->vbq, wait);
+ ret = vb2_poll(&fimc->vid_cap.vbq, file, wait);
mutex_unlock(&fimc->lock);
return ret;
{
struct fimc_ctx *ctx = file->private_data;
struct fimc_dev *fimc = ctx->fimc_dev;
- struct fimc_vid_cap *cap = &fimc->vid_cap;
int ret;
if (mutex_lock_interruptible(&fimc->lock))
return -ERESTARTSYS;
- ret = videobuf_mmap_mapper(&cap->vbq, vma);
+ ret = vb2_mmap(&fimc->vid_cap.vbq, vma);
mutex_unlock(&fimc->lock);
return ret;
}
static int fimc_cap_streamon(struct file *file, void *priv,
- enum v4l2_buf_type type)
+ enum v4l2_buf_type type)
{
struct s3c_fimc_isp_info *isp_info;
struct fimc_ctx *ctx = priv;
fimc->vid_cap.buf_index = fimc_hw_get_frame_index(fimc);
set_bit(ST_CAPT_PEND, &fimc->state);
- ret = videobuf_streamon(&fimc->vid_cap.vbq);
+ ret = vb2_streamon(&fimc->vid_cap.vbq, type);
s_unlock:
mutex_unlock(&fimc->lock);
}
static int fimc_cap_streamoff(struct file *file, void *priv,
- enum v4l2_buf_type type)
+ enum v4l2_buf_type type)
{
struct fimc_ctx *ctx = priv;
struct fimc_dev *fimc = ctx->fimc_dev;
return -ERESTARTSYS;
fimc_stop_capture(fimc);
- ret = videobuf_streamoff(&cap->vbq);
+ ret = vb2_streamoff(&cap->vbq, type);
+
mutex_unlock(&fimc->lock);
return ret;
}
if (mutex_lock_interruptible(&fimc->lock))
return -ERESTARTSYS;
- ret = videobuf_reqbufs(&cap->vbq, reqbufs);
+ ret = vb2_reqbufs(&cap->vbq, reqbufs);
if (!ret)
cap->reqbufs_count = reqbufs->count;
if (fimc_capture_active(ctx->fimc_dev))
return -EBUSY;
- return videobuf_querybuf(&cap->vbq, buf);
+ return vb2_querybuf(&cap->vbq, buf);
}
static int fimc_cap_qbuf(struct file *file, void *priv,
if (mutex_lock_interruptible(&fimc->lock))
return -ERESTARTSYS;
- ret = videobuf_qbuf(&cap->vbq, buf);
+ ret = vb2_qbuf(&cap->vbq, buf);
mutex_unlock(&fimc->lock);
return ret;
if (mutex_lock_interruptible(&ctx->fimc_dev->lock))
return -ERESTARTSYS;
- ret = videobuf_dqbuf(&ctx->fimc_dev->vid_cap.vbq, buf,
+ ret = vb2_dqbuf(&ctx->fimc_dev->vid_cap.vbq, buf,
file->f_flags & O_NONBLOCK);
mutex_unlock(&ctx->fimc_dev->lock);
struct fimc_vid_cap *vid_cap;
struct fimc_ctx *ctx;
struct v4l2_format f;
+ struct vb2_queue *q;
int ret;
ctx = kzalloc(sizeof *ctx, GFP_KERNEL);
spin_lock_init(&ctx->slock);
vid_cap->ctx = ctx;
- videobuf_queue_dma_contig_init(&vid_cap->vbq, &fimc_qops,
- vid_cap->v4l2_dev.dev, &fimc->irqlock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_NONE,
- sizeof(struct fimc_vid_buffer), (void *)ctx, NULL);
+ q = &fimc->vid_cap.vbq;
+ memset(q, 0, sizeof(*q));
+ q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
+ q->io_modes = VB2_MMAP | VB2_USERPTR;
+ q->drv_priv = fimc->vid_cap.ctx;
+ q->ops = &fimc_capture_qops;
+ q->mem_ops = &vb2_dma_contig_memops;
+ q->buf_struct_size = sizeof(struct fimc_vid_buffer);
+
+ vb2_queue_init(q);
ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1);
if (ret) {
#include <linux/slab.h>
#include <linux/clk.h>
#include <media/v4l2-ioctl.h>
-#include <media/videobuf-dma-contig.h>
+#include <media/videobuf2-core.h>
+#include <media/videobuf2-dma-contig.h>
#include "fimc-core.h"
if (!list_empty(&cap->active_buf_q)) {
v_buf = active_queue_pop(cap);
- fimc_buf_finish(fimc, v_buf);
+ vb2_buffer_done(&v_buf->vb, VB2_BUF_STATE_DONE);
}
if (test_and_clear_bit(ST_CAPT_SHUT, &fimc->state)) {
dbg("hw ptr: %d, sw ptr: %d",
fimc_hw_get_frame_index(fimc), cap->buf_index);
- spin_lock(&fimc->irqlock);
- v_buf->vb.state = VIDEOBUF_ACTIVE;
- spin_unlock(&fimc->irqlock);
-
/* Move the buffer to the capture active queue */
active_queue_add(cap, v_buf);
static irqreturn_t fimc_isr(int irq, void *priv)
{
- struct fimc_vid_buffer *src_buf, *dst_buf;
- struct fimc_ctx *ctx;
struct fimc_dev *fimc = priv;
BUG_ON(!fimc);
spin_lock(&fimc->slock);
if (test_and_clear_bit(ST_M2M_PEND, &fimc->state)) {
- ctx = v4l2_m2m_get_curr_priv(fimc->m2m.m2m_dev);
+ struct vb2_buffer *src_vb, *dst_vb;
+ struct fimc_ctx *ctx = v4l2_m2m_get_curr_priv(fimc->m2m.m2m_dev);
+
if (!ctx || !ctx->m2m_ctx)
goto isr_unlock;
- src_buf = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
- dst_buf = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
- if (src_buf && dst_buf) {
- spin_lock(&fimc->irqlock);
- src_buf->vb.state = dst_buf->vb.state = VIDEOBUF_DONE;
- wake_up(&src_buf->vb.done);
- wake_up(&dst_buf->vb.done);
- spin_unlock(&fimc->irqlock);
+
+ src_vb = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
+ dst_vb = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+ if (src_vb && dst_vb) {
+ v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE);
+ v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE);
v4l2_m2m_job_finish(fimc->m2m.m2m_dev, ctx->m2m_ctx);
}
goto isr_unlock;
}
/* The color format (planes_cnt, buff_cnt) must be already configured. */
-int fimc_prepare_addr(struct fimc_ctx *ctx, struct fimc_vid_buffer *buf,
+int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
struct fimc_frame *frame, struct fimc_addr *paddr)
{
int ret = 0;
u32 pix_size;
- if (buf == NULL || frame == NULL)
+ if (vb == NULL || frame == NULL)
return -EINVAL;
pix_size = frame->width * frame->height;
frame->size, pix_size);
if (frame->fmt->buff_cnt == 1) {
- paddr->y = videobuf_to_dma_contig(&buf->vb);
+ paddr->y = vb2_dma_contig_plane_paddr(vb, 0);
switch (frame->fmt->planes_cnt) {
case 1:
paddr->cb = 0;
int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags)
{
struct fimc_frame *s_frame, *d_frame;
- struct fimc_vid_buffer *buf = NULL;
+ struct vb2_buffer *vb = NULL;
int ret = 0;
s_frame = &ctx->s_frame;
ctx->scaler.enabled = 1;
if (flags & FIMC_SRC_ADDR) {
- buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
- ret = fimc_prepare_addr(ctx, buf, s_frame, &s_frame->paddr);
+ vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
+ ret = fimc_prepare_addr(ctx, vb, s_frame, &s_frame->paddr);
if (ret)
return ret;
}
if (flags & FIMC_DST_ADDR) {
- buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
- ret = fimc_prepare_addr(ctx, buf, d_frame, &d_frame->paddr);
+ vb = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
+ ret = fimc_prepare_addr(ctx, vb, d_frame, &d_frame->paddr);
}
return ret;
fimc_activate_capture(ctx);
- ctx->state &= (FIMC_CTX_M2M | FIMC_CTX_CAP);
+ ctx->state &= (FIMC_CTX_M2M | FIMC_CTX_CAP |
+ FIMC_SRC_FMT | FIMC_DST_FMT);
fimc_hw_activate_input_dma(fimc, true);
dma_unlock:
/* Nothing done in job_abort. */
}
-static void fimc_buf_release(struct videobuf_queue *vq,
- struct videobuf_buffer *vb)
+static int fimc_queue_setup(struct vb2_queue *vq, unsigned int *num_buffers,
+ unsigned int *num_planes, unsigned long sizes[],
+ void *allocators[])
{
- videobuf_dma_contig_free(vq, vb);
- vb->state = VIDEOBUF_NEEDS_INIT;
-}
+ struct fimc_ctx *ctx = vb2_get_drv_priv(vq);
+ struct fimc_frame *fr;
-static int fimc_buf_setup(struct videobuf_queue *vq, unsigned int *count,
- unsigned int *size)
-{
- struct fimc_ctx *ctx = vq->priv_data;
- struct fimc_frame *frame;
+ fr = ctx_get_frame(ctx, vq->type);
+ if (IS_ERR(fr))
+ return PTR_ERR(fr);
- frame = ctx_get_frame(ctx, vq->type);
- if (IS_ERR(frame))
- return PTR_ERR(frame);
+ *num_planes = 1;
+
+ sizes[0] = (fr->width * fr->height * fr->fmt->depth) >> 3;
+ allocators[0] = ctx->fimc_dev->alloc_ctx;
- *size = (frame->width * frame->height * frame->fmt->depth) >> 3;
- if (0 == *count)
- *count = 1;
return 0;
}
-static int fimc_buf_prepare(struct videobuf_queue *vq,
- struct videobuf_buffer *vb, enum v4l2_field field)
+static int fimc_buf_prepare(struct vb2_buffer *vb)
{
- struct fimc_ctx *ctx = vq->priv_data;
- struct v4l2_device *v4l2_dev = &ctx->fimc_dev->m2m.v4l2_dev;
+ struct fimc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
struct fimc_frame *frame;
- int ret;
- frame = ctx_get_frame(ctx, vq->type);
+ frame = ctx_get_frame(ctx, vb->vb2_queue->type);
if (IS_ERR(frame))
return PTR_ERR(frame);
- if (vb->baddr) {
- if (vb->bsize < frame->size) {
- v4l2_err(v4l2_dev,
- "User-provided buffer too small (%d < %d)\n",
- vb->bsize, frame->size);
- WARN_ON(1);
- return -EINVAL;
- }
- } else if (vb->state != VIDEOBUF_NEEDS_INIT
- && vb->bsize < frame->size) {
+ if (vb2_plane_size(vb, 0) < frame->size) {
+ dbg("%s data will not fit into plane (%lu < %lu)\n",
+ __func__, vb2_plane_size(vb, 0), (long)frame->size);
return -EINVAL;
}
- vb->width = frame->width;
- vb->height = frame->height;
- vb->bytesperline = (frame->width * frame->fmt->depth) >> 3;
- vb->size = frame->size;
- vb->field = field;
-
- if (VIDEOBUF_NEEDS_INIT == vb->state) {
- ret = videobuf_iolock(vq, vb, NULL);
- if (ret) {
- v4l2_err(v4l2_dev, "Iolock failed\n");
- fimc_buf_release(vq, vb);
- return ret;
- }
- }
- vb->state = VIDEOBUF_PREPARED;
-
+ vb2_set_plane_payload(vb, 0, frame->size);
return 0;
}
-static void fimc_buf_queue(struct videobuf_queue *vq,
- struct videobuf_buffer *vb)
+static void fimc_buf_queue(struct vb2_buffer *vb)
{
- struct fimc_ctx *ctx = vq->priv_data;
- struct fimc_dev *fimc = ctx->fimc_dev;
- struct fimc_vid_cap *cap = &fimc->vid_cap;
- unsigned long flags;
+ struct fimc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
dbg("ctx: %p, ctx->state: 0x%x", ctx, ctx->state);
- if ((ctx->state & FIMC_CTX_M2M) && ctx->m2m_ctx) {
- v4l2_m2m_buf_queue(ctx->m2m_ctx, vq, vb);
- } else if (ctx->state & FIMC_CTX_CAP) {
- spin_lock_irqsave(&fimc->slock, flags);
- fimc_vid_cap_buf_queue(fimc, (struct fimc_vid_buffer *)vb);
+ if (ctx->m2m_ctx)
+ v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
+}
- dbg("fimc->cap.active_buf_cnt: %d",
- fimc->vid_cap.active_buf_cnt);
+static void fimc_lock(struct vb2_queue *vq)
+{
+ struct fimc_ctx *ctx = vb2_get_drv_priv(vq);
+ mutex_lock(&ctx->fimc_dev->lock);
+}
- if (cap->active_buf_cnt >= cap->reqbufs_count ||
- cap->active_buf_cnt >= FIMC_MAX_OUT_BUFS) {
- if (!test_and_set_bit(ST_CAPT_STREAM, &fimc->state))
- fimc_activate_capture(ctx);
- }
- spin_unlock_irqrestore(&fimc->slock, flags);
- }
+static void fimc_unlock(struct vb2_queue *vq)
+{
+ struct fimc_ctx *ctx = vb2_get_drv_priv(vq);
+ mutex_unlock(&ctx->fimc_dev->lock);
}
-struct videobuf_queue_ops fimc_qops = {
- .buf_setup = fimc_buf_setup,
- .buf_prepare = fimc_buf_prepare,
- .buf_queue = fimc_buf_queue,
- .buf_release = fimc_buf_release,
+struct vb2_ops fimc_qops = {
+ .queue_setup = fimc_queue_setup,
+ .buf_prepare = fimc_buf_prepare,
+ .buf_queue = fimc_buf_queue,
+ .wait_prepare = fimc_unlock,
+ .wait_finish = fimc_lock,
};
static int fimc_m2m_querycap(struct file *file, void *priv,
struct fimc_ctx *ctx = priv;
struct fimc_dev *fimc = ctx->fimc_dev;
struct v4l2_device *v4l2_dev = &fimc->m2m.v4l2_dev;
- struct videobuf_queue *vq;
+ struct vb2_queue *vq;
struct fimc_frame *frame;
struct v4l2_pix_format *pix;
unsigned long flags;
return -ERESTARTSYS;
vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
- mutex_lock(&vq->vb_lock);
- if (videobuf_queue_is_busy(vq)) {
+ if (vb2_is_streaming(vq)) {
v4l2_err(v4l2_dev, "%s: queue (%d) busy\n", __func__, f->type);
ret = -EBUSY;
goto sf_out;
frame->offs_h = 0;
frame->offs_v = 0;
frame->size = (pix->width * pix->height * frame->fmt->depth) >> 3;
- vq->field = pix->field;
spin_lock_irqsave(&ctx->slock, flags);
ctx->state |= FIMC_PARAMS;
dbg("f_w: %d, f_h: %d", frame->f_width, frame->f_height);
sf_out:
- mutex_unlock(&vq->vb_lock);
mutex_unlock(&fimc->lock);
return ret;
}
enum v4l2_buf_type type)
{
struct fimc_ctx *ctx = priv;
+
+ /* The source and target color format need to be set */
+ if (~ctx->state & (FIMC_DST_FMT | FIMC_SRC_FMT))
+ return -EINVAL;
+
return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
}
};
-static void queue_init(void *priv, struct videobuf_queue *vq,
- enum v4l2_buf_type type)
+static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq)
{
struct fimc_ctx *ctx = priv;
- struct fimc_dev *fimc = ctx->fimc_dev;
+ int ret;
+
+ memset(src_vq, 0, sizeof(*src_vq));
+ src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
+ src_vq->io_modes = VB2_MMAP | VB2_USERPTR;
+ src_vq->drv_priv = ctx;
+ src_vq->ops = &fimc_qops;
+ src_vq->mem_ops = &vb2_dma_contig_memops;
+ src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
- videobuf_queue_dma_contig_init(vq, &fimc_qops,
- &fimc->pdev->dev,
- &fimc->irqlock, type, V4L2_FIELD_NONE,
- sizeof(struct fimc_vid_buffer), priv, NULL);
+ ret = vb2_queue_init(src_vq);
+ if (ret)
+ return ret;
+
+ memset(dst_vq, 0, sizeof(*dst_vq));
+ dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
+ dst_vq->io_modes = VB2_MMAP | VB2_USERPTR;
+ dst_vq->drv_priv = ctx;
+ dst_vq->ops = &fimc_qops;
+ dst_vq->mem_ops = &vb2_dma_contig_memops;
+ dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+
+ return vb2_queue_init(dst_vq);
}
static int fimc_m2m_open(struct file *file)
ctx->out_path = FIMC_DMA;
spin_lock_init(&ctx->slock);
- ctx->m2m_ctx = v4l2_m2m_ctx_init(ctx, fimc->m2m.m2m_dev, queue_init);
+ ctx->m2m_ctx = v4l2_m2m_ctx_init(fimc->m2m.m2m_dev, ctx, queue_init);
if (IS_ERR(ctx->m2m_ctx)) {
err = PTR_ERR(ctx->m2m_ctx);
kfree(ctx);
.job_abort = fimc_job_abort,
};
-
static int fimc_register_m2m_device(struct fimc_dev *fimc)
{
struct video_device *vfd;
fimc->pdata = pdev->dev.platform_data;
fimc->state = ST_IDLE;
- spin_lock_init(&fimc->irqlock);
init_waitqueue_head(&fimc->irq_queue);
spin_lock_init(&fimc->slock);
goto err_clk;
}
+ /* Initialize contiguous memory allocator */
+ fimc->alloc_ctx = vb2_dma_contig_init_ctx(&fimc->pdev->dev);
+ if (IS_ERR(fimc->alloc_ctx)) {
+ ret = PTR_ERR(fimc->alloc_ctx);
+ goto err_irq;
+ }
+
ret = fimc_register_m2m_device(fimc);
if (ret)
goto err_irq;
fimc_unregister_capture_device(fimc);
fimc_clk_release(fimc);
+
+ vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx);
+
iounmap(fimc->regs);
release_resource(fimc->regs_res);
kfree(fimc->regs_res);
#include <linux/sched.h>
#include <linux/types.h>
#include <linux/videodev2.h>
-#include <media/videobuf-core.h>
+#include <linux/io.h>
+#include <media/videobuf2-core.h>
#include <media/v4l2-device.h>
#include <media/v4l2-mem2mem.h>
#include <media/v4l2-mediabus.h>
#define fimc_capture_streaming(dev) \
test_bit(ST_CAPT_STREAM, &(dev)->state)
-#define fimc_buf_finish(dev, vid_buf) do { \
- spin_lock(&(dev)->irqlock); \
- (vid_buf)->vb.state = VIDEOBUF_DONE; \
- spin_unlock(&(dev)->irqlock); \
- wake_up(&(vid_buf)->vb.done); \
-} while (0)
-
enum fimc_datapath {
FIMC_CAMERA,
FIMC_DMA,
* @index: buffer index for the output DMA engine
*/
struct fimc_vid_buffer {
- struct videobuf_buffer vb;
+ struct vb2_buffer vb;
+ struct list_head list;
struct fimc_addr paddr;
int index;
};
*/
struct fimc_vid_cap {
struct fimc_ctx *ctx;
+ struct vb2_alloc_ctx *alloc_ctx;
struct video_device *vfd;
struct v4l2_device v4l2_dev;
- struct v4l2_subdev *sd;
+ struct v4l2_subdev *sd;;
struct v4l2_mbus_framefmt fmt;
struct list_head pending_buf_q;
struct list_head active_buf_q;
- struct videobuf_queue vbq;
+ struct vb2_queue vbq;
int active_buf_cnt;
int buf_index;
unsigned int frame_count;
* @regs: the mapped hardware registers
* @regs_res: the resource claimed for IO registers
* @irq: interrupt number of the FIMC subdevice
- * @irqlock: spinlock protecting videobuffer queue
* @irq_queue:
* @m2m: memory-to-memory V4L2 device information
* @vid_cap: camera capture device information
void __iomem *regs;
struct resource *regs_res;
int irq;
- spinlock_t irqlock;
wait_queue_head_t irq_queue;
struct fimc_m2m_device m2m;
struct fimc_vid_cap vid_cap;
unsigned long state;
+ struct vb2_alloc_ctx *alloc_ctx;
};
/**
struct v4l2_m2m_ctx *m2m_ctx;
};
-extern struct videobuf_queue_ops fimc_qops;
-
static inline int tiled_fmt(struct fimc_fmt *fmt)
{
return 0;
int fimc_check_scaler_ratio(struct v4l2_rect *r, struct fimc_frame *f);
int fimc_set_scaler_info(struct fimc_ctx *ctx);
int fimc_prepare_config(struct fimc_ctx *ctx, u32 flags);
-int fimc_prepare_addr(struct fimc_ctx *ctx, struct fimc_vid_buffer *buf,
+int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
struct fimc_frame *frame, struct fimc_addr *paddr);
/* -----------------------------------------------------*/
}
/*
- * Add video buffer to the active buffers queue.
- * The caller holds irqlock spinlock.
+ * Add buf to the capture active buffers queue.
+ * Locking: Need to be called with fimc_dev::slock held.
*/
static inline void active_queue_add(struct fimc_vid_cap *vid_cap,
- struct fimc_vid_buffer *buf)
+ struct fimc_vid_buffer *buf)
{
- buf->vb.state = VIDEOBUF_ACTIVE;
- list_add_tail(&buf->vb.queue, &vid_cap->active_buf_q);
+ list_add_tail(&buf->list, &vid_cap->active_buf_q);
vid_cap->active_buf_cnt++;
}
/*
* Pop a video buffer from the capture active buffers queue
- * Locking: Need to be called with dev->slock held.
+ * Locking: Need to be called with fimc_dev::slock held.
*/
static inline struct fimc_vid_buffer *
active_queue_pop(struct fimc_vid_cap *vid_cap)
{
struct fimc_vid_buffer *buf;
buf = list_entry(vid_cap->active_buf_q.next,
- struct fimc_vid_buffer, vb.queue);
- list_del(&buf->vb.queue);
+ struct fimc_vid_buffer, list);
+ list_del(&buf->list);
vid_cap->active_buf_cnt--;
return buf;
}
static inline void fimc_pending_queue_add(struct fimc_vid_cap *vid_cap,
struct fimc_vid_buffer *buf)
{
- buf->vb.state = VIDEOBUF_QUEUED;
- list_add_tail(&buf->vb.queue, &vid_cap->pending_buf_q);
+ list_add_tail(&buf->list, &vid_cap->pending_buf_q);
}
/* Add video buffer to the capture pending buffers queue */
{
struct fimc_vid_buffer *buf;
buf = list_entry(vid_cap->pending_buf_q.next,
- struct fimc_vid_buffer, vb.queue);
- list_del(&buf->vb.queue);
+ struct fimc_vid_buffer, list);
+ list_del(&buf->list);
return buf;
}
-
#endif /* FIMC_CORE_H_ */
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff