s5p-mfc: Add release callback for memory region devs

[people/arne_f/kernel.git] / drivers / media / platform / s5p-mfc / s5p_mfc.c

diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index e46067a5785307ac7a1381bd8a8babd8e4ec4fc2..983aae1461beff02f35dbac2cfab0f5c00468bd1 100644 (file)
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -177,21 +177,6 @@ unlock:
                mutex_unlock(&dev->mfc_mutex);
 }
 
-static enum s5p_mfc_node_type s5p_mfc_get_node_type(struct file *file)
-{
-       struct video_device *vdev = video_devdata(file);
-
-       if (!vdev) {
-               mfc_err("failed to get video_device");
-               return MFCNODE_INVALID;
-       }
-       if (vdev->index == 0)
-               return MFCNODE_DECODER;
-       else if (vdev->index == 1)
-               return MFCNODE_ENCODER;
-       return MFCNODE_INVALID;
-}
-
 static void s5p_mfc_clear_int_flags(struct s5p_mfc_dev *dev)
 {
        mfc_write(dev, 0, S5P_FIMV_RISC_HOST_INT);
@@ -705,6 +690,7 @@ irq_cleanup_hw:
 /* Open an MFC node */
 static int s5p_mfc_open(struct file *file)
 {
+       struct video_device *vdev = video_devdata(file);
        struct s5p_mfc_dev *dev = video_drvdata(file);
        struct s5p_mfc_ctx *ctx = NULL;
        struct vb2_queue *q;
@@ -742,7 +728,7 @@ static int s5p_mfc_open(struct file *file)
        /* Mark context as idle */
        clear_work_bit_irqsave(ctx);
        dev->ctx[ctx->num] = ctx;
-       if (s5p_mfc_get_node_type(file) == MFCNODE_DECODER) {
+       if (vdev == dev->vfd_dec) {
                ctx->type = MFCINST_DECODER;
                ctx->c_ops = get_dec_codec_ops();
                s5p_mfc_dec_init(ctx);
@@ -752,7 +738,7 @@ static int s5p_mfc_open(struct file *file)
                        mfc_err("Failed to setup mfc controls\n");
                        goto err_ctrls_setup;
                }
-       } else if (s5p_mfc_get_node_type(file) == MFCNODE_ENCODER) {
+       } else if (vdev == dev->vfd_enc) {
                ctx->type = MFCINST_ENCODER;
                ctx->c_ops = get_enc_codec_ops();
                /* only for encoder */
@@ -797,10 +783,10 @@ static int s5p_mfc_open(struct file *file)
        q = &ctx->vq_dst;
        q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
        q->drv_priv = &ctx->fh;
-       if (s5p_mfc_get_node_type(file) == MFCNODE_DECODER) {
+       if (vdev == dev->vfd_dec) {
                q->io_modes = VB2_MMAP;
                q->ops = get_dec_queue_ops();
-       } else if (s5p_mfc_get_node_type(file) == MFCNODE_ENCODER) {
+       } else if (vdev == dev->vfd_enc) {
                q->io_modes = VB2_MMAP | VB2_USERPTR;
                q->ops = get_enc_queue_ops();
        } else {
@@ -819,10 +805,10 @@ static int s5p_mfc_open(struct file *file)
        q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
        q->io_modes = VB2_MMAP;
        q->drv_priv = &ctx->fh;
-       if (s5p_mfc_get_node_type(file) == MFCNODE_DECODER) {
+       if (vdev == dev->vfd_dec) {
                q->io_modes = VB2_MMAP;
                q->ops = get_dec_queue_ops();
-       } else if (s5p_mfc_get_node_type(file) == MFCNODE_ENCODER) {
+       } else if (vdev == dev->vfd_enc) {
                q->io_modes = VB2_MMAP | VB2_USERPTR;
                q->ops = get_enc_queue_ops();
        } else {
@@ -1018,6 +1004,11 @@ static int match_child(struct device *dev, void *data)
        return !strcmp(dev_name(dev), (char *)data);
 }
 
+static void s5p_mfc_memdev_release(struct device *dev)
+{
+       dma_release_declared_memory(dev);
+}
+
 static void *mfc_get_drv_data(struct platform_device *pdev);
 
 static int s5p_mfc_alloc_memdevs(struct s5p_mfc_dev *dev)
@@ -1030,6 +1021,9 @@ static int s5p_mfc_alloc_memdevs(struct s5p_mfc_dev *dev)
                mfc_err("Not enough memory\n");
                return -ENOMEM;
        }
+
+       dev_set_name(dev->mem_dev_l, "%s", "s5p-mfc-l");
+       dev->mem_dev_l->release = s5p_mfc_memdev_release;
        device_initialize(dev->mem_dev_l);
        of_property_read_u32_array(dev->plat_dev->dev.of_node,
                        "samsung,mfc-l", mem_info, 2);
@@ -1047,6 +1041,9 @@ static int s5p_mfc_alloc_memdevs(struct s5p_mfc_dev *dev)
                mfc_err("Not enough memory\n");
                return -ENOMEM;
        }
+
+       dev_set_name(dev->mem_dev_r, "%s", "s5p-mfc-r");
+       dev->mem_dev_r->release = s5p_mfc_memdev_release;
        device_initialize(dev->mem_dev_r);
        of_property_read_u32_array(dev->plat_dev->dev.of_node,
                        "samsung,mfc-r", mem_info, 2);