1 files changed, 92 insertions, 113 deletions

diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c
index 1bfbc325836..357af1ebaed 100644
--- a/drivers/media/platform/s5p-g2d/g2d.c
+++ b/drivers/media/platform/s5p-g2d/g2d.c
@@ -18,6 +18,7 @@
 #include <linux/slab.h>
 #include <linux/clk.h>
 #include <linux/interrupt.h>
+#include <linux/of.h>
 
 #include <linux/platform_device.h>
 #include <media/v4l2-mem2mem.h>
@@ -135,10 +136,9 @@ static int g2d_buf_prepare(struct vb2_buffer *vb)
 static void g2d_buf_queue(struct vb2_buffer *vb)
 {
 	struct g2d_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
-	v4l2_m2m_buf_queue(ctx->m2m_ctx, vb);
+	v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb);
 }
 
-
 static struct vb2_ops g2d_qops = {
 	.queue_setup	= g2d_queue_setup,
 	.buf_prepare	= g2d_buf_prepare,
@@ -157,6 +157,8 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
 	src_vq->ops = &g2d_qops;
 	src_vq->mem_ops = &vb2_dma_contig_memops;
 	src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	src_vq->lock = &ctx->dev->mutex;
 
 	ret = vb2_queue_init(src_vq);
 	if (ret)
@@ -168,6 +170,8 @@ static int queue_init(void *priv, struct vb2_queue *src_vq,
 	dst_vq->ops = &g2d_qops;
 	dst_vq->mem_ops = &vb2_dma_contig_memops;
 	dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer);
+	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
+	dst_vq->lock = &ctx->dev->mutex;
 
 	return vb2_queue_init(dst_vq);
 }
@@ -250,9 +254,9 @@ static int g2d_open(struct file *file)
 		kfree(ctx);
 		return -ERESTARTSYS;
 	}
-	ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init);
-	if (IS_ERR(ctx->m2m_ctx)) {
-		ret = PTR_ERR(ctx->m2m_ctx);
+	ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init);
+	if (IS_ERR(ctx->fh.m2m_ctx)) {
+		ret = PTR_ERR(ctx->fh.m2m_ctx);
 		mutex_unlock(&dev->mutex);
 		kfree(ctx);
 		return ret;
@@ -321,7 +325,7 @@ static int vidioc_g_fmt(struct file *file, void *prv, struct v4l2_format *f)
 	struct vb2_queue *vq;
 	struct g2d_frame *frm;
 
-	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
+	vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
 	if (!vq)
 		return -EINVAL;
 	frm = get_frame(ctx, f->type);
@@ -381,7 +385,7 @@ static int vidioc_s_fmt(struct file *file, void *prv, struct v4l2_format *f)
 	ret = vidioc_try_fmt(file, prv, f);
 	if (ret)
 		return ret;
-	vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type);
+	vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type);
 	if (vb2_is_busy(vq)) {
 		v4l2_err(&dev->v4l2_dev, "queue (%d) bust\n", f->type);
 		return -EBUSY;
@@ -407,72 +411,6 @@ static int vidioc_s_fmt(struct file *file, void *prv, struct v4l2_format *f)
 	return 0;
 }
 
-static unsigned int g2d_poll(struct file *file, struct poll_table_struct *wait)
-{
-	struct g2d_ctx *ctx = fh2ctx(file->private_data);
-	struct g2d_dev *dev = ctx->dev;
-	unsigned int res;
-
-	mutex_lock(&dev->mutex);
-	res = v4l2_m2m_poll(file, ctx->m2m_ctx, wait);
-	mutex_unlock(&dev->mutex);
-	return res;
-}
-
-static int g2d_mmap(struct file *file, struct vm_area_struct *vma)
-{
-	struct g2d_ctx *ctx = fh2ctx(file->private_data);
-	struct g2d_dev *dev = ctx->dev;
-	int ret;
-
-	if (mutex_lock_interruptible(&dev->mutex))
-		return -ERESTARTSYS;
-	ret = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma);
-	mutex_unlock(&dev->mutex);
-	return ret;
-}
-
-static int vidioc_reqbufs(struct file *file, void *priv,
-			struct v4l2_requestbuffers *reqbufs)
-{
-	struct g2d_ctx *ctx = priv;
-	return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs);
-}
-
-static int vidioc_querybuf(struct file *file, void *priv,
-			struct v4l2_buffer *buf)
-{
-	struct g2d_ctx *ctx = priv;
-	return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf);
-}
-
-static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
-{
-	struct g2d_ctx *ctx = priv;
-	return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf);
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf)
-{
-	struct g2d_ctx *ctx = priv;
-	return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf);
-}
-
-
-static int vidioc_streamon(struct file *file, void *priv,
-					enum v4l2_buf_type type)
-{
-	struct g2d_ctx *ctx = priv;
-	return v4l2_m2m_streamon(file, ctx->m2m_ctx, type);
-}
-
-static int vidioc_streamoff(struct file *file, void *priv,
-					enum v4l2_buf_type type)
-{
-	struct g2d_ctx *ctx = priv;
-	return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type);
-}
-
 static int vidioc_cropcap(struct file *file, void *priv,
 					struct v4l2_cropcap *cr)
 {
@@ -548,20 +486,6 @@ static int vidioc_s_crop(struct file *file, void *prv, const struct v4l2_crop *c
 	return 0;
 }
 
-static void g2d_lock(void *prv)
-{
-	struct g2d_ctx *ctx = prv;
-	struct g2d_dev *dev = ctx->dev;
-	mutex_lock(&dev->mutex);
-}
-
-static void g2d_unlock(void *prv)
-{
-	struct g2d_ctx *ctx = prv;
-	struct g2d_dev *dev = ctx->dev;
-	mutex_unlock(&dev->mutex);
-}
-
 static void job_abort(void *prv)
 {
 	struct g2d_ctx *ctx = prv;
@@ -586,8 +510,8 @@ static void device_run(void *prv)
 
 	dev->curr = ctx;
 
-	src = v4l2_m2m_next_src_buf(ctx->m2m_ctx);
-	dst = v4l2_m2m_next_dst_buf(ctx->m2m_ctx);
+	src = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);
+	dst = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);
 
 	clk_enable(dev->gate);
 	g2d_reset(dev);
@@ -604,8 +528,13 @@ static void device_run(void *prv)
 	g2d_set_flip(dev, ctx->flip);
 
 	if (ctx->in.c_width != ctx->out.c_width ||
-		ctx->in.c_height != ctx->out.c_height)
-		cmd |= g2d_cmd_stretch(1);
+		ctx->in.c_height != ctx->out.c_height) {
+		if (dev->variant->hw_rev == TYPE_G2D_3X)
+			cmd |= CMD_V3_ENABLE_STRETCH;
+		else
+			g2d_set_v41_stretch(dev, &ctx->in, &ctx->out);
+	}
+
 	g2d_set_cmd(dev, cmd);
 	g2d_start(dev);
 
@@ -623,15 +552,21 @@ static irqreturn_t g2d_isr(int irq, void *prv)
 
 	BUG_ON(ctx == NULL);
 
-	src = v4l2_m2m_src_buf_remove(ctx->m2m_ctx);
-	dst = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx);
+	src = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+	dst = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
 
 	BUG_ON(src == NULL);
 	BUG_ON(dst == NULL);
 
+	dst->v4l2_buf.timecode = src->v4l2_buf.timecode;
+	dst->v4l2_buf.timestamp = src->v4l2_buf.timestamp;
+	dst->v4l2_buf.flags &= ~V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
+	dst->v4l2_buf.flags |=
+		src->v4l2_buf.flags & V4L2_BUF_FLAG_TSTAMP_SRC_MASK;
+
 	v4l2_m2m_buf_done(src, VB2_BUF_STATE_DONE);
 	v4l2_m2m_buf_done(dst, VB2_BUF_STATE_DONE);
-	v4l2_m2m_job_finish(dev->m2m_dev, ctx->m2m_ctx);
+	v4l2_m2m_job_finish(dev->m2m_dev, ctx->fh.m2m_ctx);
 
 	dev->curr = NULL;
 	wake_up(&dev->irq_queue);
@@ -642,9 +577,9 @@ static const struct v4l2_file_operations g2d_fops = {
 	.owner		= THIS_MODULE,
 	.open		= g2d_open,
 	.release	= g2d_release,
-	.poll		= g2d_poll,
+	.poll		= v4l2_m2m_fop_poll,
 	.unlocked_ioctl	= video_ioctl2,
-	.mmap		= g2d_mmap,
+	.mmap		= v4l2_m2m_fop_mmap,
 };
 
 static const struct v4l2_ioctl_ops g2d_ioctl_ops = {
@@ -660,14 +595,13 @@ static const struct v4l2_ioctl_ops g2d_ioctl_ops = {
 	.vidioc_try_fmt_vid_out		= vidioc_try_fmt,
 	.vidioc_s_fmt_vid_out		= vidioc_s_fmt,
 
-	.vidioc_reqbufs			= vidioc_reqbufs,
-	.vidioc_querybuf		= vidioc_querybuf,
-
-	.vidioc_qbuf			= vidioc_qbuf,
-	.vidioc_dqbuf			= vidioc_dqbuf,
+	.vidioc_reqbufs			= v4l2_m2m_ioctl_reqbufs,
+	.vidioc_querybuf		= v4l2_m2m_ioctl_querybuf,
+	.vidioc_qbuf			= v4l2_m2m_ioctl_qbuf,
+	.vidioc_dqbuf			= v4l2_m2m_ioctl_dqbuf,
 
-	.vidioc_streamon		= vidioc_streamon,
-	.vidioc_streamoff		= vidioc_streamoff,
+	.vidioc_streamon		= v4l2_m2m_ioctl_streamon,
+	.vidioc_streamoff		= v4l2_m2m_ioctl_streamoff,
 
 	.vidioc_g_crop			= vidioc_g_crop,
 	.vidioc_s_crop			= vidioc_s_crop,
@@ -686,15 +620,16 @@ static struct video_device g2d_videodev = {
 static struct v4l2_m2m_ops g2d_m2m_ops = {
 	.device_run	= device_run,
 	.job_abort	= job_abort,
-	.lock		= g2d_lock,
-	.unlock		= g2d_unlock,
 };
 
+static const struct of_device_id exynos_g2d_match[];
+
 static int g2d_probe(struct platform_device *pdev)
 {
 	struct g2d_dev *dev;
 	struct video_device *vfd;
 	struct resource *res;
+	const struct of_device_id *of_id;
 	int ret = 0;
 
 	dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
@@ -708,14 +643,12 @@ static int g2d_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 
-	dev->regs = devm_request_and_ioremap(&pdev->dev, res);
-	if (dev->regs == NULL) {
-			dev_err(&pdev->dev, "Failed to obtain io memory\n");
-			return -ENOENT;
-	}
+	dev->regs = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(dev->regs))
+		return PTR_ERR(dev->regs);
 
 	dev->clk = clk_get(&pdev->dev, "sclk_fimg2d");
-	if (IS_ERR_OR_NULL(dev->clk)) {
+	if (IS_ERR(dev->clk)) {
 		dev_err(&pdev->dev, "failed to get g2d clock\n");
 		return -ENXIO;
 	}
@@ -727,7 +660,7 @@ static int g2d_probe(struct platform_device *pdev)
 	}
 
 	dev->gate = clk_get(&pdev->dev, "fimg2d");
-	if (IS_ERR_OR_NULL(dev->gate)) {
+	if (IS_ERR(dev->gate)) {
 		dev_err(&pdev->dev, "failed to get g2d clock gate\n");
 		ret = -ENXIO;
 		goto unprep_clk;
@@ -772,6 +705,7 @@ static int g2d_probe(struct platform_device *pdev)
 	}
 	*vfd = g2d_videodev;
 	vfd->lock = &dev->mutex;
+	vfd->v4l2_dev = &dev->v4l2_dev;
 	ret = video_register_device(vfd, VFL_TYPE_GRABBER, 0);
 	if (ret) {
 		v4l2_err(&dev->v4l2_dev, "Failed to register video device\n");
@@ -792,6 +726,17 @@ static int g2d_probe(struct platform_device *pdev)
 
 	def_frame.stride = (def_frame.width * def_frame.fmt->depth) >> 3;
 
+	if (!pdev->dev.of_node) {
+		dev->variant = g2d_get_drv_data(pdev);
+	} else {
+		of_id = of_match_node(exynos_g2d_match, pdev->dev.of_node);
+		if (!of_id) {
+			ret = -ENODEV;
+			goto unreg_video_dev;
+		}
+		dev->variant = (struct g2d_variant *)of_id->data;
+	}
+
 	return 0;
 
 unreg_video_dev:
@@ -816,7 +761,7 @@ put_clk:
 
 static int g2d_remove(struct platform_device *pdev)
 {
-	struct g2d_dev *dev = (struct g2d_dev *)platform_get_drvdata(pdev);
+	struct g2d_dev *dev = platform_get_drvdata(pdev);
 
 	v4l2_info(&dev->v4l2_dev, "Removing " G2D_NAME);
 	v4l2_m2m_release(dev->m2m_dev);
@@ -830,12 +775,46 @@ static int g2d_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static struct g2d_variant g2d_drvdata_v3x = {
+	.hw_rev = TYPE_G2D_3X, /* Revision 3.0 for S5PV210 and Exynos4210 */
+};
+
+static struct g2d_variant g2d_drvdata_v4x = {
+	.hw_rev = TYPE_G2D_4X, /* Revision 4.1 for Exynos4X12 and Exynos5 */
+};
+
+static const struct of_device_id exynos_g2d_match[] = {
+	{
+		.compatible = "samsung,s5pv210-g2d",
+		.data = &g2d_drvdata_v3x,
+	}, {
+		.compatible = "samsung,exynos4212-g2d",
+		.data = &g2d_drvdata_v4x,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(of, exynos_g2d_match);
+
+static struct platform_device_id g2d_driver_ids[] = {
+	{
+		.name = "s5p-g2d",
+		.driver_data = (unsigned long)&g2d_drvdata_v3x,
+	}, {
+		.name = "s5p-g2d-v4x",
+		.driver_data = (unsigned long)&g2d_drvdata_v4x,
+	},
+	{},
+};
+MODULE_DEVICE_TABLE(platform, g2d_driver_ids);
+
 static struct platform_driver g2d_pdrv = {
 	.probe		= g2d_probe,
 	.remove		= g2d_remove,
+	.id_table	= g2d_driver_ids,
 	.driver		= {
 		.name = G2D_NAME,
 		.owner = THIS_MODULE,
+		.of_match_table = exynos_g2d_match,
 	},
 };