#endif
}
-static int mt9m001_set_capture_format(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect, unsigned int flags)
+static int bus_switch_possible(struct mt9m001 *mt9m001)
+{
+#ifdef CONFIG_MT9M001_PCA9536_SWITCH
+ return gpio_is_valid(mt9m001->switch_gpio);
+#else
+ return 0;
+#endif
+}
+
+static int mt9m001_set_bus_param(struct soc_camera_device *icd,
+ unsigned long flags)
{
struct mt9m001 *mt9m001 = container_of(icd, struct mt9m001, icd);
- unsigned int width_flag = flags & (IS_DATAWIDTH_10 | IS_DATAWIDTH_9 |
- IS_DATAWIDTH_8);
+ unsigned int width_flag = flags & SOCAM_DATAWIDTH_MASK;
int ret;
- const u16 hblank = 9, vblank = 25;
- /* MT9M001 has all capture_format parameters fixed */
- if (!(flags & IS_MASTER) ||
- !(flags & IS_PCLK_SAMPLE_RISING) ||
- !(flags & IS_HSYNC_ACTIVE_HIGH) ||
- !(flags & IS_VSYNC_ACTIVE_HIGH))
- return -EINVAL;
-
- /* Only one width bit may be set */
- if (!is_power_of_2(width_flag))
- return -EINVAL;
+ /* Flags validity verified in test_bus_param */
- if ((mt9m001->datawidth != 10 && (width_flag == IS_DATAWIDTH_10)) ||
- (mt9m001->datawidth != 9 && (width_flag == IS_DATAWIDTH_9)) ||
- (mt9m001->datawidth != 8 && (width_flag == IS_DATAWIDTH_8))) {
+ if ((mt9m001->datawidth != 10 && (width_flag == SOCAM_DATAWIDTH_10)) ||
+ (mt9m001->datawidth != 9 && (width_flag == SOCAM_DATAWIDTH_9)) ||
+ (mt9m001->datawidth != 8 && (width_flag == SOCAM_DATAWIDTH_8))) {
/* Well, we actually only can do 10 or 8 bits... */
- if (width_flag == IS_DATAWIDTH_9)
+ if (width_flag == SOCAM_DATAWIDTH_9)
return -EINVAL;
ret = bus_switch_act(mt9m001,
- width_flag == IS_DATAWIDTH_8);
+ width_flag == SOCAM_DATAWIDTH_8);
if (ret < 0)
return ret;
- mt9m001->datawidth = width_flag == IS_DATAWIDTH_8 ? 8 : 10;
+ mt9m001->datawidth = width_flag == SOCAM_DATAWIDTH_8 ? 8 : 10;
}
+ return 0;
+}
+
+static unsigned long mt9m001_query_bus_param(struct soc_camera_device *icd)
+{
+ struct mt9m001 *mt9m001 = container_of(icd, struct mt9m001, icd);
+ unsigned int width_flag = SOCAM_DATAWIDTH_10;
+
+ if (bus_switch_possible(mt9m001))
+ width_flag |= SOCAM_DATAWIDTH_8;
+
+ /* MT9M001 has all capture_format parameters fixed */
+ return SOCAM_PCLK_SAMPLE_RISING |
+ SOCAM_HSYNC_ACTIVE_HIGH |
+ SOCAM_VSYNC_ACTIVE_HIGH |
+ SOCAM_MASTER |
+ width_flag;
+}
+
+static int mt9m001_set_fmt_cap(struct soc_camera_device *icd,
+ __u32 pixfmt, struct v4l2_rect *rect)
+{
+ struct mt9m001 *mt9m001 = container_of(icd, struct mt9m001, icd);
+ int ret;
+ const u16 hblank = 9, vblank = 25;
+
/* Blanking and start values - default... */
ret = reg_write(icd, MT9M001_HORIZONTAL_BLANKING, hblank);
if (ret >= 0)
}
#endif
-static unsigned int mt9m001_get_datawidth(struct soc_camera_device *icd)
-{
- struct mt9m001 *mt9m001 = container_of(icd, struct mt9m001, icd);
- return mt9m001->datawidth;
-}
-
const struct v4l2_queryctrl mt9m001_controls[] = {
{
.id = V4L2_CID_VFLIP,
.release = mt9m001_release,
.start_capture = mt9m001_start_capture,
.stop_capture = mt9m001_stop_capture,
- .set_capture_format = mt9m001_set_capture_format,
+ .set_fmt_cap = mt9m001_set_fmt_cap,
.try_fmt_cap = mt9m001_try_fmt_cap,
+ .set_bus_param = mt9m001_set_bus_param,
+ .query_bus_param = mt9m001_query_bus_param,
.formats = NULL, /* Filled in later depending on the */
.num_formats = 0, /* camera type and data widths */
- .get_datawidth = mt9m001_get_datawidth,
.controls = mt9m001_controls,
.num_controls = ARRAY_SIZE(mt9m001_controls),
.get_control = mt9m001_get_control,
#endif
}
-static int mt9v022_set_capture_format(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect, unsigned int flags)
+static int bus_switch_possible(struct mt9v022 *mt9v022)
+{
+#ifdef CONFIG_MT9V022_PCA9536_SWITCH
+ return gpio_is_valid(mt9v022->switch_gpio);
+#else
+ return 0;
+#endif
+}
+
+static int mt9v022_set_bus_param(struct soc_camera_device *icd,
+ unsigned long flags)
{
struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd);
- unsigned int width_flag = flags & (IS_DATAWIDTH_10 | IS_DATAWIDTH_9 |
- IS_DATAWIDTH_8);
- u16 pixclk = 0;
+ unsigned int width_flag = flags & SOCAM_DATAWIDTH_MASK;
int ret;
+ u16 pixclk = 0;
/* Only one width bit may be set */
if (!is_power_of_2(width_flag))
return -EINVAL;
+ if ((mt9v022->datawidth != 10 && (width_flag == SOCAM_DATAWIDTH_10)) ||
+ (mt9v022->datawidth != 9 && (width_flag == SOCAM_DATAWIDTH_9)) ||
+ (mt9v022->datawidth != 8 && (width_flag == SOCAM_DATAWIDTH_8))) {
+ /* Well, we actually only can do 10 or 8 bits... */
+ if (width_flag == SOCAM_DATAWIDTH_9)
+ return -EINVAL;
+
+ ret = bus_switch_act(mt9v022,
+ width_flag == SOCAM_DATAWIDTH_8);
+ if (ret < 0)
+ return ret;
+
+ mt9v022->datawidth = width_flag == SOCAM_DATAWIDTH_8 ? 8 : 10;
+ }
+
+ if (flags & SOCAM_PCLK_SAMPLE_RISING)
+ pixclk |= 0x10;
+
+ if (!(flags & SOCAM_HSYNC_ACTIVE_HIGH))
+ pixclk |= 0x1;
+
+ if (!(flags & SOCAM_VSYNC_ACTIVE_HIGH))
+ pixclk |= 0x2;
+
+ ret = reg_write(icd, MT9V022_PIXCLK_FV_LV, pixclk);
+ if (ret < 0)
+ return ret;
+
+ if (!(flags & SOCAM_MASTER))
+ mt9v022->chip_control &= ~0x8;
+
+ ret = reg_write(icd, MT9V022_CHIP_CONTROL, mt9v022->chip_control);
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(&icd->dev, "Calculated pixclk 0x%x, chip control 0x%x\n",
+ pixclk, mt9v022->chip_control);
+
+ return 0;
+}
+
+static unsigned long mt9v022_query_bus_param(struct soc_camera_device *icd)
+{
+ struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd);
+ unsigned int width_flag = SOCAM_DATAWIDTH_10;
+
+ if (bus_switch_possible(mt9v022))
+ width_flag |= SOCAM_DATAWIDTH_8;
+
+ return SOCAM_PCLK_SAMPLE_RISING | SOCAM_PCLK_SAMPLE_FALLING |
+ SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_LOW |
+ SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_LOW |
+ SOCAM_MASTER | SOCAM_SLAVE |
+ width_flag;
+}
+
+static int mt9v022_set_fmt_cap(struct soc_camera_device *icd,
+ __u32 pixfmt, struct v4l2_rect *rect)
+{
+ struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd);
+ int ret;
+
/* The caller provides a supported format, as verified per call to
* icd->try_fmt_cap(), datawidth is from our supported format list */
switch (pixfmt) {
dev_dbg(&icd->dev, "Frame %ux%u pixel\n", rect->width, rect->height);
- if ((mt9v022->datawidth != 10 && (width_flag == IS_DATAWIDTH_10)) ||
- (mt9v022->datawidth != 9 && (width_flag == IS_DATAWIDTH_9)) ||
- (mt9v022->datawidth != 8 && (width_flag == IS_DATAWIDTH_8))) {
- /* Well, we actually only can do 10 or 8 bits... */
- if (width_flag == IS_DATAWIDTH_9)
- return -EINVAL;
-
- ret = bus_switch_act(mt9v022,
- width_flag == IS_DATAWIDTH_8);
- if (ret < 0)
- return ret;
-
- mt9v022->datawidth = width_flag == IS_DATAWIDTH_8 ? 8 : 10;
- }
-
- if (flags & IS_PCLK_SAMPLE_RISING)
- pixclk |= 0x10;
-
- if (!(flags & IS_HSYNC_ACTIVE_HIGH))
- pixclk |= 0x1;
-
- if (!(flags & IS_VSYNC_ACTIVE_HIGH))
- pixclk |= 0x2;
-
- ret = reg_write(icd, MT9V022_PIXCLK_FV_LV, pixclk);
- if (ret < 0)
- return ret;
-
- if (!(flags & IS_MASTER))
- mt9v022->chip_control &= ~0x8;
-
- ret = reg_write(icd, MT9V022_CHIP_CONTROL, mt9v022->chip_control);
- if (ret < 0)
- return ret;
-
- dev_dbg(&icd->dev, "Calculated pixclk 0x%x, chip control 0x%x\n",
- pixclk, mt9v022->chip_control);
-
return 0;
}
}
#endif
-static unsigned int mt9v022_get_datawidth(struct soc_camera_device *icd)
-{
- struct mt9v022 *mt9v022 = container_of(icd, struct mt9v022, icd);
- return mt9v022->datawidth;
-}
-
const struct v4l2_queryctrl mt9v022_controls[] = {
{
.id = V4L2_CID_VFLIP,
.release = mt9v022_release,
.start_capture = mt9v022_start_capture,
.stop_capture = mt9v022_stop_capture,
- .set_capture_format = mt9v022_set_capture_format,
+ .set_fmt_cap = mt9v022_set_fmt_cap,
.try_fmt_cap = mt9v022_try_fmt_cap,
+ .set_bus_param = mt9v022_set_bus_param,
+ .query_bus_param = mt9v022_query_bus_param,
.formats = NULL, /* Filled in later depending on the */
.num_formats = 0, /* sensor type and data widths */
- .get_datawidth = mt9v022_get_datawidth,
.controls = mt9v022_controls,
.num_controls = ARRAY_SIZE(mt9v022_controls),
.get_control = mt9v022_get_control,
pcdev->icd = NULL;
}
-static int pxa_camera_set_capture_format(struct soc_camera_device *icd,
- __u32 pixfmt, struct v4l2_rect *rect)
+static int test_platform_param(struct pxa_camera_dev *pcdev,
+ unsigned char buswidth, unsigned long *flags)
{
- struct soc_camera_host *ici =
- to_soc_camera_host(icd->dev.parent);
- struct pxa_camera_dev *pcdev = ici->priv;
- unsigned int datawidth = 0, dw, bpp;
- u32 cicr0, cicr4 = 0;
- int ret;
+ /*
+ * Platform specified synchronization and pixel clock polarities are
+ * only a recommendation and are only used during probing. The PXA270
+ * quick capture interface supports both.
+ */
+ *flags = (pcdev->platform_flags & PXA_CAMERA_MASTER ?
+ SOCAM_MASTER : SOCAM_SLAVE) |
+ SOCAM_HSYNC_ACTIVE_HIGH |
+ SOCAM_HSYNC_ACTIVE_LOW |
+ SOCAM_VSYNC_ACTIVE_HIGH |
+ SOCAM_VSYNC_ACTIVE_LOW |
+ SOCAM_PCLK_SAMPLE_RISING |
+ SOCAM_PCLK_SAMPLE_FALLING;
/* If requested data width is supported by the platform, use it */
- switch (icd->cached_datawidth) {
+ switch (buswidth) {
case 10:
- if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_10)
- datawidth = IS_DATAWIDTH_10;
+ if (!(pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_10))
+ return -EINVAL;
+ *flags |= SOCAM_DATAWIDTH_10;
break;
case 9:
- if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_9)
- datawidth = IS_DATAWIDTH_9;
+ if (!(pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_9))
+ return -EINVAL;
+ *flags |= SOCAM_DATAWIDTH_9;
break;
case 8:
- if (pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_8)
- datawidth = IS_DATAWIDTH_8;
+ if (!(pcdev->platform_flags & PXA_CAMERA_DATAWIDTH_8))
+ return -EINVAL;
+ *flags |= SOCAM_DATAWIDTH_8;
}
- if (!datawidth)
+
+ return 0;
+}
+
+static int pxa_camera_set_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
+{
+ struct soc_camera_host *ici =
+ to_soc_camera_host(icd->dev.parent);
+ struct pxa_camera_dev *pcdev = ici->priv;
+ unsigned long dw, bpp, bus_flags, camera_flags, common_flags;
+ u32 cicr0, cicr4 = 0;
+ int ret = test_platform_param(pcdev, icd->buswidth, &bus_flags);
+
+ if (ret < 0)
+ return ret;
+
+ camera_flags = icd->ops->query_bus_param(icd);
+
+ common_flags = soc_camera_bus_param_compatible(camera_flags, bus_flags);
+ if (!common_flags)
return -EINVAL;
- ret = icd->ops->set_capture_format(icd, pixfmt, rect,
- datawidth |
- (pcdev->platform_flags & PXA_CAMERA_MASTER ?
- IS_MASTER : 0) |
- (pcdev->platform_flags & PXA_CAMERA_HSP ?
- 0 : IS_HSYNC_ACTIVE_HIGH) |
- (pcdev->platform_flags & PXA_CAMERA_VSP ?
- 0 : IS_VSYNC_ACTIVE_HIGH) |
- (pcdev->platform_flags & PXA_CAMERA_PCP ?
- 0 : IS_PCLK_SAMPLE_RISING));
+ /* Make choises, based on platform preferences */
+ if ((common_flags & SOCAM_HSYNC_ACTIVE_HIGH) &&
+ (common_flags & SOCAM_HSYNC_ACTIVE_LOW)) {
+ if (pcdev->platform_flags & PXA_CAMERA_HSP)
+ common_flags &= ~SOCAM_HSYNC_ACTIVE_HIGH;
+ else
+ common_flags &= ~SOCAM_HSYNC_ACTIVE_LOW;
+ }
+
+ if ((common_flags & SOCAM_VSYNC_ACTIVE_HIGH) &&
+ (common_flags & SOCAM_VSYNC_ACTIVE_LOW)) {
+ if (pcdev->platform_flags & PXA_CAMERA_VSP)
+ common_flags &= ~SOCAM_VSYNC_ACTIVE_HIGH;
+ else
+ common_flags &= ~SOCAM_VSYNC_ACTIVE_LOW;
+ }
+
+ if ((common_flags & SOCAM_PCLK_SAMPLE_RISING) &&
+ (common_flags & SOCAM_PCLK_SAMPLE_FALLING)) {
+ if (pcdev->platform_flags & PXA_CAMERA_PCP)
+ common_flags &= ~SOCAM_PCLK_SAMPLE_RISING;
+ else
+ common_flags &= ~SOCAM_PCLK_SAMPLE_FALLING;
+ }
+
+ ret = icd->ops->set_bus_param(icd, common_flags);
if (ret < 0)
return ret;
/* Datawidth is now guaranteed to be equal to one of the three values.
* We fix bit-per-pixel equal to data-width... */
- switch (datawidth) {
- case IS_DATAWIDTH_10:
- icd->cached_datawidth = 10;
+ switch (common_flags & SOCAM_DATAWIDTH_MASK) {
+ case SOCAM_DATAWIDTH_10:
+ icd->buswidth = 10;
dw = 4;
bpp = 0x40;
break;
- case IS_DATAWIDTH_9:
- icd->cached_datawidth = 9;
+ case SOCAM_DATAWIDTH_9:
+ icd->buswidth = 9;
dw = 3;
bpp = 0x20;
break;
default:
/* Actually it can only be 8 now,
* default is just to silence compiler warnings */
- case IS_DATAWIDTH_8:
- icd->cached_datawidth = 8;
+ case SOCAM_DATAWIDTH_8:
+ icd->buswidth = 8;
dw = 2;
bpp = 0;
}
cicr4 |= CICR4_PCLK_EN;
if (pcdev->platform_flags & PXA_CAMERA_MCLK_EN)
cicr4 |= CICR4_MCLK_EN;
- if (pcdev->platform_flags & PXA_CAMERA_PCP)
+ if (common_flags & SOCAM_PCLK_SAMPLE_FALLING)
cicr4 |= CICR4_PCP;
- if (pcdev->platform_flags & PXA_CAMERA_HSP)
+ if (common_flags & SOCAM_HSYNC_ACTIVE_LOW)
cicr4 |= CICR4_HSP;
- if (pcdev->platform_flags & PXA_CAMERA_VSP)
+ if (common_flags & SOCAM_VSYNC_ACTIVE_LOW)
cicr4 |= CICR4_VSP;
cicr0 = CICR0;
if (cicr0 & CICR0_ENB)
CICR0 = cicr0 & ~CICR0_ENB;
- CICR1 = CICR1_PPL_VAL(rect->width - 1) | bpp | dw;
+ CICR1 = CICR1_PPL_VAL(icd->width - 1) | bpp | dw;
CICR2 = 0;
- CICR3 = CICR3_LPF_VAL(rect->height - 1) |
+ CICR3 = CICR3_LPF_VAL(icd->height - 1) |
CICR3_BFW_VAL(min((unsigned short)255, icd->y_skip_top));
CICR4 = mclk_get_divisor(pcdev) | cicr4;
return 0;
}
-static int pxa_camera_try_fmt_cap(struct soc_camera_host *ici,
+static int pxa_camera_try_bus_param(struct soc_camera_device *icd, __u32 pixfmt)
+{
+ struct soc_camera_host *ici =
+ to_soc_camera_host(icd->dev.parent);
+ struct pxa_camera_dev *pcdev = ici->priv;
+ unsigned long bus_flags, camera_flags;
+ int ret = test_platform_param(pcdev, icd->buswidth, &bus_flags);
+
+ if (ret < 0)
+ return ret;
+
+ camera_flags = icd->ops->query_bus_param(icd);
+
+ return soc_camera_bus_param_compatible(camera_flags, bus_flags) ? 0 : -EINVAL;
+}
+
+static int pxa_camera_set_fmt_cap(struct soc_camera_device *icd,
+ __u32 pixfmt, struct v4l2_rect *rect)
+{
+ return icd->ops->set_fmt_cap(icd, pixfmt, rect);
+}
+
+static int pxa_camera_try_fmt_cap(struct soc_camera_device *icd,
struct v4l2_format *f)
{
/* limit to pxa hardware capabilities */
f->fmt.pix.width = 2048;
f->fmt.pix.width &= ~0x01;
- return 0;
+ /* limit to sensor capabilities */
+ return icd->ops->try_fmt_cap(icd, f);
}
static int pxa_camera_reqbufs(struct soc_camera_file *icf,
.add = pxa_camera_add_device,
.remove = pxa_camera_remove_device,
.msize = sizeof(struct pxa_buffer),
- .set_capture_format = pxa_camera_set_capture_format,
+ .set_fmt_cap = pxa_camera_set_fmt_cap,
.try_fmt_cap = pxa_camera_try_fmt_cap,
.reqbufs = pxa_camera_reqbufs,
.poll = pxa_camera_poll,
.querycap = pxa_camera_querycap,
+ .try_bus_param = pxa_camera_try_bus_param,
+ .set_bus_param = pxa_camera_set_bus_param,
};
static int pxa_camera_probe(struct platform_device *pdev)
pcdev->pdata = pdev->dev.platform_data;
pcdev->platform_flags = pcdev->pdata->flags;
- if (!pcdev->platform_flags & (PXA_CAMERA_DATAWIDTH_8 |
- PXA_CAMERA_DATAWIDTH_9 | PXA_CAMERA_DATAWIDTH_10)) {
+ if (!(pcdev->platform_flags & (PXA_CAMERA_DATAWIDTH_8 |
+ PXA_CAMERA_DATAWIDTH_9 | PXA_CAMERA_DATAWIDTH_10))) {
/* Platform hasn't set available data widths. This is bad.
* Warn and use a default. */
dev_warn(&pdev->dev, "WARNING! Platform hasn't set available "
return -EINVAL;
}
- /* limit to host capabilities */
- ret = ici->try_fmt_cap(ici, f);
+ /* test physical bus parameters */
+ ret = ici->try_bus_param(icd, f->fmt.pix.pixelformat);
+ if (ret)
+ return ret;
- /* limit to sensor capabilities */
- if (!ret)
- ret = icd->ops->try_fmt_cap(icd, f);
+ /* limit format to hardware capabilities */
+ ret = ici->try_fmt_cap(icd, f);
/* calculate missing fields */
f->fmt.pix.field = field;
if (!data_fmt)
return -EINVAL;
- /* cached_datawidth may be further adjusted by the ici */
- icd->cached_datawidth = data_fmt->depth;
+ /* buswidth may be further adjusted by the ici */
+ icd->buswidth = data_fmt->depth;
ret = soc_camera_try_fmt_cap(file, icf, f);
if (ret < 0)
rect.top = icd->y_current;
rect.width = f->fmt.pix.width;
rect.height = f->fmt.pix.height;
- ret = ici->set_capture_format(icd, f->fmt.pix.pixelformat, &rect);
+ ret = ici->set_fmt_cap(icd, f->fmt.pix.pixelformat, &rect);
+ if (ret < 0)
+ return ret;
- if (!ret) {
- icd->current_fmt = data_fmt;
- icd->width = rect.width;
- icd->height = rect.height;
- icf->vb_vidq.field = f->fmt.pix.field;
- if (V4L2_BUF_TYPE_VIDEO_CAPTURE != f->type)
- dev_warn(&icd->dev, "Attention! Wrong buf-type %d\n",
- f->type);
-
- dev_dbg(&icd->dev, "set width: %d height: %d\n",
- icd->width, icd->height);
- }
+ icd->current_fmt = data_fmt;
+ icd->width = rect.width;
+ icd->height = rect.height;
+ icf->vb_vidq.field = f->fmt.pix.field;
+ if (V4L2_BUF_TYPE_VIDEO_CAPTURE != f->type)
+ dev_warn(&icd->dev, "Attention! Wrong buf-type %d\n",
+ f->type);
- return ret;
+ dev_dbg(&icd->dev, "set width: %d height: %d\n",
+ icd->width, icd->height);
+
+ /* set physical bus parameters */
+ return ici->set_bus_param(icd, f->fmt.pix.pixelformat);
}
static int soc_camera_enum_fmt_cap(struct file *file, void *priv,
if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
- ret = ici->set_capture_format(icd, 0, &a->c);
+ ret = ici->set_fmt_cap(icd, 0, &a->c);
if (!ret) {
icd->width = a->c.width;
icd->height = a->c.height;
icd->dev.release = dummy_release;
- if (icd->ops->get_datawidth)
- icd->cached_datawidth = icd->ops->get_datawidth(icd);
-
return scan_add_device(icd);
}
EXPORT_SYMBOL(soc_camera_device_register);
unsigned short exposure;
unsigned char iface; /* Host number */
unsigned char devnum; /* Device number per host */
- unsigned char cached_datawidth; /* See comment in .c */
+ unsigned char buswidth; /* See comment in .c */
struct soc_camera_ops *ops;
struct video_device *vdev;
const struct soc_camera_data_format *current_fmt;
char *drv_name;
int (*add)(struct soc_camera_device *);
void (*remove)(struct soc_camera_device *);
- int (*set_capture_format)(struct soc_camera_device *, __u32,
- struct v4l2_rect *);
- int (*try_fmt_cap)(struct soc_camera_host *, struct v4l2_format *);
+ int (*set_fmt_cap)(struct soc_camera_device *, __u32,
+ struct v4l2_rect *);
+ int (*try_fmt_cap)(struct soc_camera_device *, struct v4l2_format *);
int (*reqbufs)(struct soc_camera_file *, struct v4l2_requestbuffers *);
int (*querycap)(struct soc_camera_host *, struct v4l2_capability *);
+ int (*try_bus_param)(struct soc_camera_device *, __u32);
+ int (*set_bus_param)(struct soc_camera_device *, __u32);
unsigned int (*poll)(struct file *, poll_table *);
};
int (*release)(struct soc_camera_device *);
int (*start_capture)(struct soc_camera_device *);
int (*stop_capture)(struct soc_camera_device *);
- int (*set_capture_format)(struct soc_camera_device *, __u32,
- struct v4l2_rect *, unsigned int);
+ int (*set_fmt_cap)(struct soc_camera_device *, __u32,
+ struct v4l2_rect *);
int (*try_fmt_cap)(struct soc_camera_device *, struct v4l2_format *);
+ unsigned long (*query_bus_param)(struct soc_camera_device *);
+ int (*set_bus_param)(struct soc_camera_device *, unsigned long);
int (*get_chip_id)(struct soc_camera_device *,
struct v4l2_chip_ident *);
#ifdef CONFIG_VIDEO_ADV_DEBUG
int (*set_control)(struct soc_camera_device *, struct v4l2_control *);
const struct v4l2_queryctrl *controls;
int num_controls;
- unsigned int(*get_datawidth)(struct soc_camera_device *icd);
};
static inline struct v4l2_queryctrl const *soc_camera_find_qctrl(
return NULL;
}
-#define IS_MASTER (1<<0)
-#define IS_HSYNC_ACTIVE_HIGH (1<<1)
-#define IS_VSYNC_ACTIVE_HIGH (1<<2)
-#define IS_DATAWIDTH_8 (1<<3)
-#define IS_DATAWIDTH_9 (1<<4)
-#define IS_DATAWIDTH_10 (1<<5)
-#define IS_PCLK_SAMPLE_RISING (1<<6)
+#define SOCAM_MASTER (1 << 0)
+#define SOCAM_SLAVE (1 << 1)
+#define SOCAM_HSYNC_ACTIVE_HIGH (1 << 2)
+#define SOCAM_HSYNC_ACTIVE_LOW (1 << 3)
+#define SOCAM_VSYNC_ACTIVE_HIGH (1 << 4)
+#define SOCAM_VSYNC_ACTIVE_LOW (1 << 5)
+#define SOCAM_DATAWIDTH_8 (1 << 6)
+#define SOCAM_DATAWIDTH_9 (1 << 7)
+#define SOCAM_DATAWIDTH_10 (1 << 8)
+#define SOCAM_PCLK_SAMPLE_RISING (1 << 9)
+#define SOCAM_PCLK_SAMPLE_FALLING (1 << 10)
+
+#define SOCAM_DATAWIDTH_MASK (SOCAM_DATAWIDTH_8 | SOCAM_DATAWIDTH_9 | \
+ SOCAM_DATAWIDTH_10)
+
+static inline unsigned long soc_camera_bus_param_compatible(
+ unsigned long camera_flags, unsigned long bus_flags)
+{
+ unsigned long common_flags, hsync, vsync, pclk;
+
+ common_flags = camera_flags & bus_flags;
+
+ hsync = common_flags & (SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_LOW);
+ vsync = common_flags & (SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_LOW);
+ pclk = common_flags & (SOCAM_PCLK_SAMPLE_RISING | SOCAM_PCLK_SAMPLE_FALLING);
+
+ return (!hsync || !vsync || !pclk) ? 0 : common_flags;
+}
#endif
projects / linux-2.6 / commitdiff