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path: root/drivers/media/platform/fsl-viu.c
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Diffstat (limited to 'drivers/media/platform/fsl-viu.c')
-rw-r--r--drivers/media/platform/fsl-viu.c63
1 files changed, 30 insertions, 33 deletions
diff --git a/drivers/media/platform/fsl-viu.c b/drivers/media/platform/fsl-viu.c
index 200c47c69a75..e41510ce69a4 100644
--- a/drivers/media/platform/fsl-viu.c
+++ b/drivers/media/platform/fsl-viu.c
@@ -36,6 +36,12 @@
#define DRV_NAME "fsl_viu"
#define VIU_VERSION "0.5.1"
+/* Allow building this driver with COMPILE_TEST */
+#ifndef CONFIG_PPC
+#define out_be32(v, a) iowrite32be(a, (void __iomem *)v)
+#define in_be32(a) ioread32be((void __iomem *)a)
+#endif
+
#define BUFFER_TIMEOUT msecs_to_jiffies(500) /* 0.5 seconds */
#define VIU_VID_MEM_LIMIT 4 /* Video memory limit, in Mb */
@@ -128,7 +134,7 @@ struct viu_dev {
int dma_done;
/* Hardware register area */
- struct viu_reg *vr;
+ struct viu_reg __iomem *vr;
/* Interrupt vector */
int irq;
@@ -229,7 +235,7 @@ enum status_config {
static irqreturn_t viu_intr(int irq, void *dev_id);
-struct viu_fmt *format_by_fourcc(int fourcc)
+static struct viu_fmt *format_by_fourcc(int fourcc)
{
int i;
@@ -242,9 +248,9 @@ struct viu_fmt *format_by_fourcc(int fourcc)
return NULL;
}
-void viu_start_dma(struct viu_dev *dev)
+static void viu_start_dma(struct viu_dev *dev)
{
- struct viu_reg *vr = dev->vr;
+ struct viu_reg __iomem *vr = dev->vr;
dev->field = 0;
@@ -253,9 +259,9 @@ void viu_start_dma(struct viu_dev *dev)
out_be32(&vr->status_cfg, INT_FIELD_EN);
}
-void viu_stop_dma(struct viu_dev *dev)
+static void viu_stop_dma(struct viu_dev *dev)
{
- struct viu_reg *vr = dev->vr;
+ struct viu_reg __iomem *vr = dev->vr;
int cnt = 100;
u32 status_cfg;
@@ -290,7 +296,7 @@ static int restart_video_queue(struct viu_dmaqueue *vidq)
{
struct viu_buf *buf, *prev;
- dprintk(1, "%s vidq=0x%08lx\n", __func__, (unsigned long)vidq);
+ dprintk(1, "%s vidq=%p\n", __func__, vidq);
if (!list_empty(&vidq->active)) {
buf = list_entry(vidq->active.next, struct viu_buf, vb.queue);
dprintk(2, "restart_queue [%p/%d]: restart dma\n",
@@ -395,7 +401,7 @@ static void free_buffer(struct videobuf_queue *vq, struct viu_buf *buf)
inline int buffer_activate(struct viu_dev *dev, struct viu_buf *buf)
{
- struct viu_reg *vr = dev->vr;
+ struct viu_reg __iomem *vr = dev->vr;
int bpp;
/* setup the DMA base address */
@@ -497,8 +503,7 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
struct viu_buf *prev;
if (!list_empty(&vidq->queued)) {
- dprintk(1, "adding vb queue=0x%08lx\n",
- (unsigned long)&buf->vb.queue);
+ dprintk(1, "adding vb queue=%p\n", &buf->vb.queue);
dprintk(1, "vidq pointer 0x%p, queued 0x%p\n",
vidq, &vidq->queued);
dprintk(1, "dev %p, queued: self %p, next %p, head %p\n",
@@ -509,8 +514,7 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
dprintk(2, "[%p/%d] buffer_queue - append to queued\n",
buf, buf->vb.i);
} else if (list_empty(&vidq->active)) {
- dprintk(1, "adding vb active=0x%08lx\n",
- (unsigned long)&buf->vb.queue);
+ dprintk(1, "adding vb active=%p\n", &buf->vb.queue);
list_add_tail(&buf->vb.queue, &vidq->active);
buf->vb.state = VIDEOBUF_ACTIVE;
mod_timer(&vidq->timeout, jiffies+BUFFER_TIMEOUT);
@@ -519,8 +523,7 @@ static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
buffer_activate(dev, buf);
} else {
- dprintk(1, "adding vb queue2=0x%08lx\n",
- (unsigned long)&buf->vb.queue);
+ dprintk(1, "adding vb queue2=%p\n", &buf->vb.queue);
prev = list_entry(vidq->active.prev, struct viu_buf, vb.queue);
if (prev->vb.width == buf->vb.width &&
prev->vb.height == buf->vb.height &&
@@ -703,10 +706,8 @@ static int verify_preview(struct viu_dev *dev, struct v4l2_window *win)
return 0;
}
-inline void viu_activate_overlay(struct viu_reg *viu_reg)
+inline void viu_activate_overlay(struct viu_reg __iomem *vr)
{
- struct viu_reg *vr = viu_reg;
-
out_be32(&vr->field_base_addr, reg_val.field_base_addr);
out_be32(&vr->dma_inc, reg_val.dma_inc);
out_be32(&vr->picture_count, reg_val.picture_count);
@@ -749,7 +750,7 @@ static int viu_setup_preview(struct viu_dev *dev, struct viu_fh *fh)
reg_val.status_cfg |= DMA_ACT | INT_DMA_END_EN | INT_FIELD_EN;
/* setup the base address of the overlay buffer */
- reg_val.field_base_addr = (u32)dev->ovbuf.base;
+ reg_val.field_base_addr = (u32)(long)dev->ovbuf.base;
return 0;
}
@@ -802,7 +803,7 @@ static int vidioc_overlay(struct file *file, void *priv, unsigned int on)
return 0;
}
-int vidioc_g_fbuf(struct file *file, void *priv, struct v4l2_framebuffer *arg)
+static int vidioc_g_fbuf(struct file *file, void *priv, struct v4l2_framebuffer *arg)
{
struct viu_fh *fh = priv;
struct viu_dev *dev = fh->dev;
@@ -813,7 +814,7 @@ int vidioc_g_fbuf(struct file *file, void *priv, struct v4l2_framebuffer *arg)
return 0;
}
-int vidioc_s_fbuf(struct file *file, void *priv, const struct v4l2_framebuffer *arg)
+static int vidioc_s_fbuf(struct file *file, void *priv, const struct v4l2_framebuffer *arg)
{
struct viu_fh *fh = priv;
struct viu_dev *dev = fh->dev;
@@ -985,10 +986,8 @@ inline void viu_activate_next_buf(struct viu_dev *dev,
}
}
-inline void viu_default_settings(struct viu_reg *viu_reg)
+inline void viu_default_settings(struct viu_reg __iomem *vr)
{
- struct viu_reg *vr = viu_reg;
-
out_be32(&vr->luminance, 0x9512A254);
out_be32(&vr->chroma_r, 0x03310000);
out_be32(&vr->chroma_g, 0x06600F38);
@@ -1001,7 +1000,7 @@ inline void viu_default_settings(struct viu_reg *viu_reg)
static void viu_overlay_intr(struct viu_dev *dev, u32 status)
{
- struct viu_reg *vr = dev->vr;
+ struct viu_reg __iomem *vr = dev->vr;
if (status & INT_DMA_END_STATUS)
dev->dma_done = 1;
@@ -1032,7 +1031,7 @@ static void viu_overlay_intr(struct viu_dev *dev, u32 status)
static void viu_capture_intr(struct viu_dev *dev, u32 status)
{
struct viu_dmaqueue *vidq = &dev->vidq;
- struct viu_reg *vr = dev->vr;
+ struct viu_reg __iomem *vr = dev->vr;
struct viu_buf *buf;
int field_num;
int need_two;
@@ -1104,7 +1103,7 @@ static void viu_capture_intr(struct viu_dev *dev, u32 status)
static irqreturn_t viu_intr(int irq, void *dev_id)
{
struct viu_dev *dev = (struct viu_dev *)dev_id;
- struct viu_reg *vr = dev->vr;
+ struct viu_reg __iomem *vr = dev->vr;
u32 status;
u32 error;
@@ -1169,7 +1168,7 @@ static int viu_open(struct file *file)
struct video_device *vdev = video_devdata(file);
struct viu_dev *dev = video_get_drvdata(vdev);
struct viu_fh *fh;
- struct viu_reg *vr;
+ struct viu_reg __iomem *vr;
int minor = vdev->minor;
u32 status_cfg;
@@ -1210,9 +1209,7 @@ static int viu_open(struct file *file)
dev->crop_current.width = fh->width;
dev->crop_current.height = fh->height;
- dprintk(1, "Open: fh=0x%08lx, dev=0x%08lx, dev->vidq=0x%08lx\n",
- (unsigned long)fh, (unsigned long)dev,
- (unsigned long)&dev->vidq);
+ dprintk(1, "Open: fh=%p, dev=%p, dev->vidq=%p\n", fh, dev, &dev->vidq);
dprintk(1, "Open: list_empty queued=%d\n",
list_empty(&dev->vidq.queued));
dprintk(1, "Open: list_empty active=%d\n",
@@ -1305,7 +1302,7 @@ static int viu_release(struct file *file)
return 0;
}
-void viu_reset(struct viu_reg *reg)
+static void viu_reset(struct viu_reg __iomem *reg)
{
out_be32(&reg->status_cfg, 0);
out_be32(&reg->luminance, 0x9512a254);
@@ -1325,7 +1322,7 @@ static int viu_mmap(struct file *file, struct vm_area_struct *vma)
struct viu_dev *dev = fh->dev;
int ret;
- dprintk(1, "mmap called, vma=0x%08lx\n", (unsigned long)vma);
+ dprintk(1, "mmap called, vma=%p\n", vma);
if (mutex_lock_interruptible(&dev->lock))
return -ERESTARTSYS;
@@ -1407,7 +1404,7 @@ static int viu_of_probe(struct platform_device *op)
}
viu_irq = irq_of_parse_and_map(op->dev.of_node, 0);
- if (viu_irq == NO_IRQ) {
+ if (!viu_irq) {
dev_err(&op->dev, "Error while mapping the irq\n");
return -EINVAL;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.