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path: root/drivers/media/platform/exynos4-is/fimc-lite.c
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Diffstat (limited to 'drivers/media/platform/exynos4-is/fimc-lite.c')
-rw-r--r--drivers/media/platform/exynos4-is/fimc-lite.c50
1 files changed, 43 insertions, 7 deletions
diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c
index 00c525c..07767c8 100644
--- a/drivers/media/platform/exynos4-is/fimc-lite.c
+++ b/drivers/media/platform/exynos4-is/fimc-lite.c
@@ -153,6 +153,7 @@ static int fimc_lite_hw_init(struct fimc_lite *fimc, bool isp_output)
flite_hw_set_camera_bus(fimc, si);
flite_hw_set_source_format(fimc, &fimc->inp_frame);
flite_hw_set_window_offset(fimc, &fimc->inp_frame);
+ flite_hw_set_dma_buf_mask(fimc, 0);
flite_hw_set_output_dma(fimc, &fimc->out_frame, !isp_output);
flite_hw_set_interrupt_mask(fimc);
flite_hw_set_test_pattern(fimc, fimc->test_pattern->val);
@@ -276,19 +277,23 @@ static irqreturn_t flite_irq_handler(int irq, void *priv)
if ((intsrc & FLITE_REG_CISTATUS_IRQ_SRC_FRMSTART) &&
test_bit(ST_FLITE_RUN, &fimc->state) &&
- !list_empty(&fimc->active_buf_q) &&
!list_empty(&fimc->pending_buf_q)) {
+ vbuf = fimc_lite_pending_queue_pop(fimc);
+ flite_hw_set_dma_buffer(fimc, vbuf);
+ fimc_lite_active_queue_add(fimc, vbuf);
+ }
+
+ if ((intsrc & FLITE_REG_CISTATUS_IRQ_SRC_FRMEND) &&
+ test_bit(ST_FLITE_RUN, &fimc->state) &&
+ !list_empty(&fimc->active_buf_q)) {
vbuf = fimc_lite_active_queue_pop(fimc);
ktime_get_ts(&ts);
tv = &vbuf->vb.v4l2_buf.timestamp;
tv->tv_sec = ts.tv_sec;
tv->tv_usec = ts.tv_nsec / NSEC_PER_USEC;
vbuf->vb.v4l2_buf.sequence = fimc->frame_count++;
+ flite_hw_mask_dma_buffer(fimc, vbuf->index);
vb2_buffer_done(&vbuf->vb, VB2_BUF_STATE_DONE);
-
- vbuf = fimc_lite_pending_queue_pop(fimc);
- flite_hw_set_output_addr(fimc, vbuf->paddr);
- fimc_lite_active_queue_add(fimc, vbuf);
}
if (test_bit(ST_FLITE_CONFIG, &fimc->state))
@@ -307,10 +312,16 @@ done:
static int start_streaming(struct vb2_queue *q, unsigned int count)
{
struct fimc_lite *fimc = q->drv_priv;
+ unsigned long flags;
int ret;
+ spin_lock_irqsave(&fimc->slock, flags);
+
+ fimc->buf_index = 0;
fimc->frame_count = 0;
+ spin_unlock_irqrestore(&fimc->slock, flags);
+
ret = fimc_lite_hw_init(fimc, false);
if (ret) {
fimc_lite_reinit(fimc, false);
@@ -412,10 +423,14 @@ static void buffer_queue(struct vb2_buffer *vb)
spin_lock_irqsave(&fimc->slock, flags);
buf->paddr = vb2_dma_contig_plane_dma_addr(vb, 0);
+ buf->index = fimc->buf_index++;
+ if (fimc->buf_index >= fimc->reqbufs_count)
+ fimc->buf_index = 0;
+
if (!test_bit(ST_FLITE_SUSPENDED, &fimc->state) &&
!test_bit(ST_FLITE_STREAM, &fimc->state) &&
list_empty(&fimc->active_buf_q)) {
- flite_hw_set_output_addr(fimc, buf->paddr);
+ flite_hw_set_dma_buffer(fimc, buf);
fimc_lite_active_queue_add(fimc, buf);
} else {
fimc_lite_pending_queue_add(fimc, buf);
@@ -1451,8 +1466,12 @@ static int fimc_lite_probe(struct platform_device *pdev)
fimc->index = of_alias_get_id(dev->of_node, "fimc-lite");
}
- if (!drv_data || fimc->index < 0 || fimc->index >= FIMC_LITE_MAX_DEVS)
+ if (!drv_data || fimc->index >= drv_data->num_instances ||
+ fimc->index < 0) {
+ dev_err(dev, "Wrong %s node alias\n",
+ dev->of_node->full_name);
return -EINVAL;
+ }
fimc->dd = drv_data;
fimc->pdev = pdev;
@@ -1609,6 +1628,19 @@ static struct flite_drvdata fimc_lite_drvdata_exynos4 = {
.out_width_align = 8,
.win_hor_offs_align = 2,
.out_hor_offs_align = 8,
+ .max_dma_bufs = 1,
+ .num_instances = 2,
+};
+
+/* EXYNOS5250 */
+static struct flite_drvdata fimc_lite_drvdata_exynos5 = {
+ .max_width = 8192,
+ .max_height = 8192,
+ .out_width_align = 8,
+ .win_hor_offs_align = 2,
+ .out_hor_offs_align = 8,
+ .max_dma_bufs = 32,
+ .num_instances = 3,
};
static const struct of_device_id flite_of_match[] = {
@@ -1616,6 +1648,10 @@ static const struct of_device_id flite_of_match[] = {
.compatible = "samsung,exynos4212-fimc-lite",
.data = &fimc_lite_drvdata_exynos4,
},
+ {
+ .compatible = "samsung,exynos5250-fimc-lite",
+ .data = &fimc_lite_drvdata_exynos5,
+ },
{ /* sentinel */ },
};
MODULE_DEVICE_TABLE(of, flite_of_match);
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