[v2] sh_mobile_ceu: SOCAM flags are prepared at itself
Commit Message
From 32fde76488032405b48afa4ed0b30c9184e855b5 Mon Sep 17 00: 00:00 2001
sh_mobile_ceu can supports bus width 8, 16 and other flags.
But it can not support SOCAM_SLAVE,
because it does not support any clocks.
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
---
v1 -> v2
o change SLAVE -> MASTER
drivers/media/video/sh_mobile_ceu_camera.c | 27 +++++++++++++++++++++++++--
include/media/sh_mobile_ceu.h | 5 +++--
2 files changed, 28 insertions(+), 4 deletions(-)
@@ -101,6 +101,29 @@ struct sh_mobile_ceu_dev {
const struct soc_camera_data_format *camera_fmt;
};
+static unsigned long make_bus_param(struct sh_mobile_ceu_dev *pcdev)
+{
+ unsigned long flags;
+
+ flags = SOCAM_MASTER |
+ SOCAM_PCLK_SAMPLE_RISING |
+ SOCAM_HSYNC_ACTIVE_HIGH |
+ SOCAM_HSYNC_ACTIVE_LOW |
+ SOCAM_VSYNC_ACTIVE_HIGH |
+ SOCAM_VSYNC_ACTIVE_LOW;
+
+ if (pcdev->pdata->flags & SH_CEU_FLAG_USE_8BIT_BUS)
+ flags |= SOCAM_DATAWIDTH_8;
+
+ if (pcdev->pdata->flags & SH_CEU_FLAG_USE_16BIT_BUS)
+ flags |= SOCAM_DATAWIDTH_16;
+
+ if (flags & SOCAM_DATAWIDTH_MASK)
+ return flags;
+
+ return 0;
+}
+
static void ceu_write(struct sh_mobile_ceu_dev *priv,
unsigned long reg_offs, u32 data)
{
@@ -396,7 +419,7 @@ static int sh_mobile_ceu_set_bus_param(struct soc_camera_device *icd,
camera_flags = icd->ops->query_bus_param(icd);
common_flags = soc_camera_bus_param_compatible(camera_flags,
- pcdev->pdata->flags);
+ make_bus_param(pcdev));
if (!common_flags)
return -EINVAL;
@@ -517,7 +540,7 @@ static int sh_mobile_ceu_try_bus_param(struct soc_camera_device *icd)
camera_flags = icd->ops->query_bus_param(icd);
common_flags = soc_camera_bus_param_compatible(camera_flags,
- pcdev->pdata->flags);
+ make_bus_param(pcdev));
if (!common_flags)
return -EINVAL;
@@ -1,10 +1,11 @@
#ifndef __ASM_SH_MOBILE_CEU_H__
#define __ASM_SH_MOBILE_CEU_H__
-#include <media/soc_camera.h>
+#define SH_CEU_FLAG_USE_8BIT_BUS (1 << 0) /* use 8bit bus width */
+#define SH_CEU_FLAG_USE_16BIT_BUS (1 << 1) /* use 16bit bus width */
struct sh_mobile_ceu_info {
- unsigned long flags; /* SOCAM_... */
+ unsigned long flags;
};
#endif /* __ASM_SH_MOBILE_CEU_H__ */