summaryrefslogtreecommitdiff
path: root/drivers/media/platform/soc_camera
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/platform/soc_camera')
-rw-r--r--drivers/media/platform/soc_camera/atmel-isi.c105
-rw-r--r--drivers/media/platform/soc_camera/rcar_vin.c16
-rw-r--r--drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c3
-rw-r--r--drivers/media/platform/soc_camera/soc_camera.c48
4 files changed, 94 insertions, 78 deletions
diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c
index 287902681..90701726a 100644
--- a/drivers/media/platform/soc_camera/atmel-isi.c
+++ b/drivers/media/platform/soc_camera/atmel-isi.c
@@ -20,6 +20,7 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <media/atmel-isi.h>
@@ -34,7 +35,6 @@
#define VID_LIMIT_BYTES (16 * 1024 * 1024)
#define MIN_FRAME_RATE 15
#define FRAME_INTERVAL_MILLI_SEC (1000 / MIN_FRAME_RATE)
-#define ISI_DEFAULT_MCLK_FREQ 25000000
/* Frame buffer descriptor */
struct fbd {
@@ -82,8 +82,6 @@ struct atmel_isi {
struct completion complete;
/* ISI peripherial clock */
struct clk *pclk;
- /* ISI_MCK, feed to camera sensor to generate pixel clock */
- struct clk *mck;
unsigned int irq;
struct isi_platform_data pdata;
@@ -386,10 +384,13 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count)
struct atmel_isi *isi = ici->priv;
int ret;
+ pm_runtime_get_sync(ici->v4l2_dev.dev);
+
/* Reset ISI */
ret = atmel_isi_wait_status(isi, WAIT_ISI_RESET);
if (ret < 0) {
dev_err(icd->parent, "Reset ISI timed out\n");
+ pm_runtime_put(ici->v4l2_dev.dev);
return ret;
}
/* Disable all interrupts */
@@ -431,11 +432,9 @@ static void stop_streaming(struct vb2_queue *vq)
time_before(jiffies, timeout))
msleep(1);
- if (time_after(jiffies, timeout)) {
+ if (time_after(jiffies, timeout))
dev_err(icd->parent,
"Timeout waiting for finishing codec request\n");
- return;
- }
/* Disable interrupts */
isi_writel(isi, ISI_INTDIS,
@@ -445,6 +444,8 @@ static void stop_streaming(struct vb2_queue *vq)
ret = atmel_isi_wait_status(isi, WAIT_ISI_DISABLE);
if (ret < 0)
dev_err(icd->parent, "Disable ISI timed out\n");
+
+ pm_runtime_put(ici->v4l2_dev.dev);
}
static struct vb2_ops isi_video_qops = {
@@ -516,7 +517,13 @@ static int isi_camera_set_fmt(struct soc_camera_device *icd,
if (mf->code != xlate->code)
return -EINVAL;
+ /* Enable PM and peripheral clock before operate isi registers */
+ pm_runtime_get_sync(ici->v4l2_dev.dev);
+
ret = configure_geometry(isi, pix->width, pix->height, xlate->code);
+
+ pm_runtime_put(ici->v4l2_dev.dev);
+
if (ret < 0)
return ret;
@@ -730,37 +737,6 @@ static void isi_camera_remove_device(struct soc_camera_device *icd)
icd->devnum);
}
-/* Called with .host_lock held */
-static int isi_camera_clock_start(struct soc_camera_host *ici)
-{
- struct atmel_isi *isi = ici->priv;
- int ret;
-
- ret = clk_prepare_enable(isi->pclk);
- if (ret)
- return ret;
-
- if (!IS_ERR(isi->mck)) {
- ret = clk_prepare_enable(isi->mck);
- if (ret) {
- clk_disable_unprepare(isi->pclk);
- return ret;
- }
- }
-
- return 0;
-}
-
-/* Called with .host_lock held */
-static void isi_camera_clock_stop(struct soc_camera_host *ici)
-{
- struct atmel_isi *isi = ici->priv;
-
- if (!IS_ERR(isi->mck))
- clk_disable_unprepare(isi->mck);
- clk_disable_unprepare(isi->pclk);
-}
-
static unsigned int isi_camera_poll(struct file *file, poll_table *pt)
{
struct soc_camera_device *icd = file->private_data;
@@ -855,9 +831,14 @@ static int isi_camera_set_bus_param(struct soc_camera_device *icd)
cfg1 |= ISI_CFG1_THMASK_BEATS_16;
+ /* Enable PM and peripheral clock before operate isi registers */
+ pm_runtime_get_sync(ici->v4l2_dev.dev);
+
isi_writel(isi, ISI_CTRL, ISI_CTRL_DIS);
isi_writel(isi, ISI_CFG1, cfg1);
+ pm_runtime_put(ici->v4l2_dev.dev);
+
return 0;
}
@@ -865,8 +846,6 @@ static struct soc_camera_host_ops isi_soc_camera_host_ops = {
.owner = THIS_MODULE,
.add = isi_camera_add_device,
.remove = isi_camera_remove_device,
- .clock_start = isi_camera_clock_start,
- .clock_stop = isi_camera_clock_stop,
.set_fmt = isi_camera_set_fmt,
.try_fmt = isi_camera_try_fmt,
.get_formats = isi_camera_get_formats,
@@ -889,6 +868,7 @@ static int atmel_isi_remove(struct platform_device *pdev)
sizeof(struct fbd) * MAX_BUFFER_NUM,
isi->p_fb_descriptors,
isi->fb_descriptors_phys);
+ pm_runtime_disable(&pdev->dev);
return 0;
}
@@ -902,7 +882,6 @@ static int atmel_isi_probe_dt(struct atmel_isi *isi,
/* Default settings for ISI */
isi->pdata.full_mode = 1;
- isi->pdata.mck_hz = ISI_DEFAULT_MCLK_FREQ;
isi->pdata.frate = ISI_CFG1_FRATE_CAPTURE_ALL;
np = of_graph_get_next_endpoint(np, NULL);
@@ -978,21 +957,6 @@ static int atmel_isi_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&isi->video_buffer_list);
INIT_LIST_HEAD(&isi->dma_desc_head);
- /* ISI_MCK is the sensor master clock. It should be handled by the
- * sensor driver directly, as the ISI has no use for that clock. Make
- * the clock optional here while platforms transition to the correct
- * model.
- */
- isi->mck = devm_clk_get(dev, "isi_mck");
- if (!IS_ERR(isi->mck)) {
- /* Set ISI_MCK's frequency, it should be faster than pixel
- * clock.
- */
- ret = clk_set_rate(isi->mck, isi->pdata.mck_hz);
- if (ret < 0)
- return ret;
- }
-
isi->p_fb_descriptors = dma_alloc_coherent(&pdev->dev,
sizeof(struct fbd) * MAX_BUFFER_NUM,
&isi->fb_descriptors_phys,
@@ -1027,8 +991,6 @@ static int atmel_isi_probe(struct platform_device *pdev)
if (isi->pdata.data_width_flags & ISI_DATAWIDTH_10)
isi->width_flags |= 1 << 9;
- isi_writel(isi, ISI_CTRL, ISI_CTRL_DIS);
-
irq = platform_get_irq(pdev, 0);
if (IS_ERR_VALUE(irq)) {
ret = irq;
@@ -1049,6 +1011,9 @@ static int atmel_isi_probe(struct platform_device *pdev)
soc_host->v4l2_dev.dev = &pdev->dev;
soc_host->nr = pdev->id;
+ pm_suspend_ignore_children(&pdev->dev, true);
+ pm_runtime_enable(&pdev->dev);
+
if (isi->pdata.asd_sizes) {
soc_host->asd = isi->pdata.asd;
soc_host->asd_sizes = isi->pdata.asd_sizes;
@@ -1062,6 +1027,7 @@ static int atmel_isi_probe(struct platform_device *pdev)
return 0;
err_register_soc_camera_host:
+ pm_runtime_disable(&pdev->dev);
err_req_irq:
err_ioremap:
vb2_dma_contig_cleanup_ctx(isi->alloc_ctx);
@@ -1074,6 +1040,30 @@ err_alloc_ctx:
return ret;
}
+static int atmel_isi_runtime_suspend(struct device *dev)
+{
+ struct soc_camera_host *soc_host = to_soc_camera_host(dev);
+ struct atmel_isi *isi = container_of(soc_host,
+ struct atmel_isi, soc_host);
+
+ clk_disable_unprepare(isi->pclk);
+
+ return 0;
+}
+static int atmel_isi_runtime_resume(struct device *dev)
+{
+ struct soc_camera_host *soc_host = to_soc_camera_host(dev);
+ struct atmel_isi *isi = container_of(soc_host,
+ struct atmel_isi, soc_host);
+
+ return clk_prepare_enable(isi->pclk);
+}
+
+static const struct dev_pm_ops atmel_isi_dev_pm_ops = {
+ SET_RUNTIME_PM_OPS(atmel_isi_runtime_suspend,
+ atmel_isi_runtime_resume, NULL)
+};
+
static const struct of_device_id atmel_isi_of_match[] = {
{ .compatible = "atmel,at91sam9g45-isi" },
{ }
@@ -1085,6 +1075,7 @@ static struct platform_driver atmel_isi_driver = {
.driver = {
.name = "atmel_isi",
.of_match_table = of_match_ptr(atmel_isi_of_match),
+ .pm = &atmel_isi_dev_pm_ops,
},
};
diff --git a/drivers/media/platform/soc_camera/rcar_vin.c b/drivers/media/platform/soc_camera/rcar_vin.c
index db7700b0a..71dd71c0b 100644
--- a/drivers/media/platform/soc_camera/rcar_vin.c
+++ b/drivers/media/platform/soc_camera/rcar_vin.c
@@ -98,6 +98,7 @@
#define VNMC_INF_YUV10_BT656 (2 << 16)
#define VNMC_INF_YUV10_BT601 (3 << 16)
#define VNMC_INF_YUV16 (5 << 16)
+#define VNMC_INF_RGB888 (6 << 16)
#define VNMC_VUP (1 << 10)
#define VNMC_IM_ODD (0 << 3)
#define VNMC_IM_ODD_EVEN (1 << 3)
@@ -540,6 +541,9 @@ static int rcar_vin_videobuf_setup(struct vb2_queue *vq,
unsigned int bytes_per_line;
int ret;
+ if (fmt->fmt.pix.sizeimage < icd->sizeimage)
+ return -EINVAL;
+
xlate = soc_camera_xlate_by_fourcc(icd,
fmt->fmt.pix.pixelformat);
if (!xlate)
@@ -589,7 +593,7 @@ static int rcar_vin_setup(struct rcar_vin_priv *priv)
struct soc_camera_device *icd = priv->ici.icd;
struct rcar_vin_cam *cam = icd->host_priv;
u32 vnmc, dmr, interrupts;
- bool progressive = false, output_is_yuv = false;
+ bool progressive = false, output_is_yuv = false, input_is_yuv = false;
switch (priv->field) {
case V4L2_FIELD_TOP:
@@ -623,16 +627,22 @@ static int rcar_vin_setup(struct rcar_vin_priv *priv)
case MEDIA_BUS_FMT_YUYV8_1X16:
/* BT.601/BT.1358 16bit YCbCr422 */
vnmc |= VNMC_INF_YUV16;
+ input_is_yuv = true;
break;
case MEDIA_BUS_FMT_YUYV8_2X8:
/* BT.656 8bit YCbCr422 or BT.601 8bit YCbCr422 */
vnmc |= priv->pdata_flags & RCAR_VIN_BT656 ?
VNMC_INF_YUV8_BT656 : VNMC_INF_YUV8_BT601;
+ input_is_yuv = true;
+ break;
+ case MEDIA_BUS_FMT_RGB888_1X24:
+ vnmc |= VNMC_INF_RGB888;
break;
case MEDIA_BUS_FMT_YUYV10_2X10:
/* BT.656 10bit YCbCr422 or BT.601 10bit YCbCr422 */
vnmc |= priv->pdata_flags & RCAR_VIN_BT656 ?
VNMC_INF_YUV10_BT656 : VNMC_INF_YUV10_BT601;
+ input_is_yuv = true;
break;
default:
break;
@@ -676,7 +686,7 @@ static int rcar_vin_setup(struct rcar_vin_priv *priv)
vnmc |= VNMC_VUP;
/* If input and output use the same colorspace, use bypass mode */
- if (output_is_yuv)
+ if (input_is_yuv == output_is_yuv)
vnmc |= VNMC_BPS;
/* progressive or interlaced mode */
@@ -1423,6 +1433,7 @@ static int rcar_vin_get_formats(struct soc_camera_device *icd, unsigned int idx,
case MEDIA_BUS_FMT_YUYV8_1X16:
case MEDIA_BUS_FMT_YUYV8_2X8:
case MEDIA_BUS_FMT_YUYV10_2X10:
+ case MEDIA_BUS_FMT_RGB888_1X24:
if (cam->extra_fmt)
break;
@@ -1783,6 +1794,7 @@ static int rcar_vin_querycap(struct soc_camera_host *ici,
strlcpy(cap->card, "R_Car_VIN", sizeof(cap->card));
cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+ snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s%d", DRV_NAME, ici->nr);
return 0;
}
diff --git a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
index c5c6c4e91..efdeea449 100644
--- a/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
+++ b/drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c
@@ -1665,6 +1665,8 @@ static int sh_mobile_ceu_querycap(struct soc_camera_host *ici,
struct v4l2_capability *cap)
{
strlcpy(cap->card, "SuperH_Mobile_CEU", sizeof(cap->card));
+ strlcpy(cap->driver, "sh_mobile_ceu", sizeof(cap->driver));
+ strlcpy(cap->bus_info, "platform:sh_mobile_ceu", sizeof(cap->bus_info));
cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
@@ -1773,6 +1775,7 @@ static int sh_mobile_ceu_probe(struct platform_device *pdev)
pcdev->max_height = pcdev->pdata->max_height;
pcdev->flags = pcdev->pdata->flags;
}
+ pcdev->field = V4L2_FIELD_NONE;
if (!pcdev->max_width) {
unsigned int v;
diff --git a/drivers/media/platform/soc_camera/soc_camera.c b/drivers/media/platform/soc_camera/soc_camera.c
index d708df410..9087fed58 100644
--- a/drivers/media/platform/soc_camera/soc_camera.c
+++ b/drivers/media/platform/soc_camera/soc_camera.c
@@ -309,11 +309,14 @@ static int soc_camera_try_fmt_vid_cap(struct file *file, void *priv,
static int soc_camera_enum_input(struct file *file, void *priv,
struct v4l2_input *inp)
{
+ struct soc_camera_device *icd = file->private_data;
+
if (inp->index != 0)
return -EINVAL;
/* default is camera */
inp->type = V4L2_INPUT_TYPE_CAMERA;
+ inp->std = icd->vdev->tvnorms;
strcpy(inp->name, "Camera");
return 0;
@@ -381,9 +384,8 @@ static int soc_camera_reqbufs(struct file *file, void *priv,
ret = vb2_reqbufs(&icd->vb2_vidq, p);
}
- if (!ret && !icd->streamer)
- icd->streamer = file;
-
+ if (!ret)
+ icd->streamer = p->count ? file : NULL;
return ret;
}
@@ -440,12 +442,19 @@ static int soc_camera_create_bufs(struct file *file, void *priv,
{
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
+ int ret;
/* videobuf2 only */
if (ici->ops->init_videobuf)
- return -EINVAL;
- else
- return vb2_create_bufs(&icd->vb2_vidq, create);
+ return -ENOTTY;
+
+ if (icd->streamer && icd->streamer != file)
+ return -EBUSY;
+
+ ret = vb2_create_bufs(&icd->vb2_vidq, create);
+ if (!ret)
+ icd->streamer = file;
+ return ret;
}
static int soc_camera_prepare_buf(struct file *file, void *priv,
@@ -467,14 +476,13 @@ static int soc_camera_expbuf(struct file *file, void *priv,
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
- if (icd->streamer != file)
- return -EBUSY;
-
/* videobuf2 only */
if (ici->ops->init_videobuf)
- return -EINVAL;
- else
- return vb2_expbuf(&icd->vb2_vidq, p);
+ return -ENOTTY;
+
+ if (icd->streamer && icd->streamer != file)
+ return -EBUSY;
+ return vb2_expbuf(&icd->vb2_vidq, p);
}
/* Always entered with .host_lock held */
@@ -780,20 +788,21 @@ static int soc_camera_close(struct file *file)
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
mutex_lock(&ici->host_lock);
+ if (icd->streamer == file) {
+ if (ici->ops->init_videobuf2)
+ vb2_queue_release(&icd->vb2_vidq);
+ icd->streamer = NULL;
+ }
icd->use_count--;
if (!icd->use_count) {
pm_runtime_suspend(&icd->vdev->dev);
pm_runtime_disable(&icd->vdev->dev);
- if (ici->ops->init_videobuf2)
- vb2_queue_release(&icd->vb2_vidq);
__soc_camera_power_off(icd);
soc_camera_remove_device(icd);
}
- if (icd->streamer == file)
- icd->streamer = NULL;
mutex_unlock(&ici->host_lock);
module_put(ici->ops->owner);
@@ -992,6 +1001,7 @@ static int soc_camera_streamoff(struct file *file, void *priv,
struct soc_camera_device *icd = file->private_data;
struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
+ int ret;
WARN_ON(priv != file->private_data);
@@ -1006,13 +1016,13 @@ static int soc_camera_streamoff(struct file *file, void *priv,
* remaining buffers. When the last buffer is freed, stop capture
*/
if (ici->ops->init_videobuf)
- videobuf_streamoff(&icd->vb_vidq);
+ ret = videobuf_streamoff(&icd->vb_vidq);
else
- vb2_streamoff(&icd->vb2_vidq, i);
+ ret = vb2_streamoff(&icd->vb2_vidq, i);
v4l2_subdev_call(sd, video, s_stream, 0);
- return 0;
+ return ret;
}
static int soc_camera_cropcap(struct file *file, void *fh,
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-02 14:18:50 +0000