aboutsummaryrefslogtreecommitdiff
path: root/drivers/media/platform/s5p-g2d
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/platform/s5p-g2d')
-rw-r--r--drivers/media/platform/s5p-g2d/g2d-hw.c16
-rw-r--r--drivers/media/platform/s5p-g2d/g2d-regs.h7
-rw-r--r--drivers/media/platform/s5p-g2d/g2d.c205
-rw-r--r--drivers/media/platform/s5p-g2d/g2d.h16
4 files changed, 124 insertions, 120 deletions
diff --git a/drivers/media/platform/s5p-g2d/g2d-hw.c b/drivers/media/platform/s5p-g2d/g2d-hw.c
index 5b86cbe408e..e87bd93811d 100644
--- a/drivers/media/platform/s5p-g2d/g2d-hw.c
+++ b/drivers/media/platform/s5p-g2d/g2d-hw.c
@@ -28,6 +28,7 @@ void g2d_set_src_size(struct g2d_dev *d, struct g2d_frame *f)
{
u32 n;
+ w(0, SRC_SELECT_REG);
w(f->stride & 0xFFFF, SRC_STRIDE_REG);
n = f->o_height & 0xFFF;
@@ -52,6 +53,7 @@ void g2d_set_dst_size(struct g2d_dev *d, struct g2d_frame *f)
{
u32 n;
+ w(0, DST_SELECT_REG);
w(f->stride & 0xFFFF, DST_STRIDE_REG);
n = f->o_height & 0xFFF;
@@ -82,10 +84,14 @@ void g2d_set_flip(struct g2d_dev *d, u32 r)
w(r, SRC_MSK_DIRECT_REG);
}
-u32 g2d_cmd_stretch(u32 e)
+void g2d_set_v41_stretch(struct g2d_dev *d, struct g2d_frame *src,
+ struct g2d_frame *dst)
{
- e &= 1;
- return e << 4;
+ w(DEFAULT_SCALE_MODE, SRC_SCALE_CTRL_REG);
+
+ /* inversed scaling factor: src is numerator */
+ w((src->c_width << 16) / dst->c_width, SRC_XSCALE_REG);
+ w((src->c_height << 16) / dst->c_height, SRC_YSCALE_REG);
}
void g2d_set_cmd(struct g2d_dev *d, u32 c)
@@ -96,7 +102,9 @@ void g2d_set_cmd(struct g2d_dev *d, u32 c)
void g2d_start(struct g2d_dev *d)
{
/* Clear cache */
- w(0x7, CACHECTL_REG);
+ if (d->variant->hw_rev == TYPE_G2D_3X)
+ w(0x7, CACHECTL_REG);
+
/* Enable interrupt */
w(1, INTEN_REG);
/* Start G2D engine */
diff --git a/drivers/media/platform/s5p-g2d/g2d-regs.h b/drivers/media/platform/s5p-g2d/g2d-regs.h
index 02e1cf50da4..9bf31ad35d4 100644
--- a/drivers/media/platform/s5p-g2d/g2d-regs.h
+++ b/drivers/media/platform/s5p-g2d/g2d-regs.h
@@ -35,6 +35,9 @@
#define SRC_COLOR_MODE_REG 0x030C /* Src Image Color Mode reg */
#define SRC_LEFT_TOP_REG 0x0310 /* Src Left Top Coordinate reg */
#define SRC_RIGHT_BOTTOM_REG 0x0314 /* Src Right Bottom Coordinate reg */
+#define SRC_SCALE_CTRL_REG 0x0328 /* Src Scaling type select */
+#define SRC_XSCALE_REG 0x032c /* Src X Scaling ratio */
+#define SRC_YSCALE_REG 0x0330 /* Src Y Scaling ratio */
/* Parameter Setting Registers (Dest) */
#define DST_SELECT_REG 0x0400 /* Dest Image Selection reg */
@@ -113,3 +116,7 @@
#define DEFAULT_WIDTH 100
#define DEFAULT_HEIGHT 100
+#define DEFAULT_SCALE_MODE (2 << 0)
+
+/* Command mode register values */
+#define CMD_V3_ENABLE_STRETCH (1 << 4)
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,
},
};
diff --git a/drivers/media/platform/s5p-g2d/g2d.h b/drivers/media/platform/s5p-g2d/g2d.h
index 6b765b0216c..b0e52ab7ecd 100644
--- a/drivers/media/platform/s5p-g2d/g2d.h
+++ b/drivers/media/platform/s5p-g2d/g2d.h
@@ -10,10 +10,13 @@
* License, or (at your option) any later version
*/
+#include <linux/platform_device.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#define G2D_NAME "s5p-g2d"
+#define TYPE_G2D_3X 3
+#define TYPE_G2D_4X 4
struct g2d_dev {
struct v4l2_device v4l2_dev;
@@ -27,6 +30,7 @@ struct g2d_dev {
struct clk *clk;
struct clk *gate;
struct g2d_ctx *curr;
+ struct g2d_variant *variant;
int irq;
wait_queue_head_t irq_queue;
};
@@ -53,7 +57,6 @@ struct g2d_frame {
struct g2d_ctx {
struct v4l2_fh fh;
struct g2d_dev *dev;
- struct v4l2_m2m_ctx *m2m_ctx;
struct g2d_frame in;
struct g2d_frame out;
struct v4l2_ctrl *ctrl_hflip;
@@ -70,6 +73,9 @@ struct g2d_fmt {
u32 hw;
};
+struct g2d_variant {
+ unsigned short hw_rev;
+};
void g2d_reset(struct g2d_dev *d);
void g2d_set_src_size(struct g2d_dev *d, struct g2d_frame *f);
@@ -80,7 +86,11 @@ void g2d_start(struct g2d_dev *d);
void g2d_clear_int(struct g2d_dev *d);
void g2d_set_rop4(struct g2d_dev *d, u32 r);
void g2d_set_flip(struct g2d_dev *d, u32 r);
-u32 g2d_cmd_stretch(u32 e);
+void g2d_set_v41_stretch(struct g2d_dev *d,
+ struct g2d_frame *src, struct g2d_frame *dst);
void g2d_set_cmd(struct g2d_dev *d, u32 c);
-
+static inline struct g2d_variant *g2d_get_drv_data(struct platform_device *pdev)
+{
+ return (struct g2d_variant *)platform_get_device_id(pdev)->driver_data;
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-15 13:50:08 +0000