[RFC PATCH 5/5] gpu: ipu-v3: Register the CSI modules
Philipp Zabel
p.zabel at pengutronix.de
Fri Dec 20 17:52:46 UTC 2013
Signed-off-by: Lucas Stach <l.stach at pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel at pengutronix.de>
---
drivers/gpu/ipu-v3/ipu-common.c | 35 +++++++++++++++++++++++++++++++----
include/video/imx-ipu-v3.h | 1 +
2 files changed, 32 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/ipu-v3/ipu-common.c b/drivers/gpu/ipu-v3/ipu-common.c
index ad2639c..7535e7a 100644
--- a/drivers/gpu/ipu-v3/ipu-common.c
+++ b/drivers/gpu/ipu-v3/ipu-common.c
@@ -1016,6 +1016,7 @@ static void platform_device_unregister_children(struct platform_device *pdev)
struct ipu_platform_reg {
struct ipu_client_platformdata pdata;
const char *name;
+ int reg_offset;
};
static const struct ipu_platform_reg client_reg[] = {
@@ -1037,13 +1038,29 @@ static const struct ipu_platform_reg client_reg[] = {
.dma[1] = -EINVAL,
},
.name = "imx-ipuv3-crtc",
+ }, {
+ .pdata = {
+ .csi = 0,
+ .dma[0] = IPUV3_CHANNEL_CSI0,
+ .dma[1] = -EINVAL,
+ },
+ .reg_offset = IPU_CM_CSI0_REG_OFS,
+ .name = "imx-ipuv3-camera",
+ }, {
+ .pdata = {
+ .csi = 1,
+ .dma[0] = IPUV3_CHANNEL_CSI1,
+ .dma[1] = -EINVAL,
+ },
+ .reg_offset = IPU_CM_CSI1_REG_OFS,
+ .name = "imx-ipuv3-camera",
},
};
static DEFINE_MUTEX(ipu_client_id_mutex);
static int ipu_client_id;
-static int ipu_add_client_devices(struct ipu_soc *ipu)
+static int ipu_add_client_devices(struct ipu_soc *ipu, unsigned long ipu_base)
{
struct device *dev = ipu->dev;
unsigned i;
@@ -1062,11 +1079,21 @@ static int ipu_add_client_devices(struct ipu_soc *ipu)
const struct ipu_platform_reg *reg = &client_reg[i];
struct ipu_client_platformdata pdata = reg->pdata;
struct platform_device *pdev;
+ struct resource res;
pdata.ipu = ipu_id;
- pdev = platform_device_register_data(dev, reg->name,
- id++, &pdata, sizeof(pdata));
+ if (reg->reg_offset) {
+ memset(&res, 0, sizeof(res));
+ res.flags = IORESOURCE_MEM;
+ res.start = ipu_base + ipu->devtype->cm_ofs + reg->reg_offset;
+ res.end = res.start + PAGE_SIZE - 1;
+ pdev = platform_device_register_resndata(dev, reg->name,
+ id++, &res, 1, &pdata, sizeof(pdata));
+ } else {
+ pdev = platform_device_register_data(dev, reg->name,
+ id++, &pdata, sizeof(pdata));
+ }
if (IS_ERR(pdev))
goto err_register;
@@ -1262,7 +1289,7 @@ static int ipu_probe(struct platform_device *pdev)
if (ret)
goto failed_submodules_init;
- ret = ipu_add_client_devices(ipu);
+ ret = ipu_add_client_devices(ipu, ipu_base);
if (ret) {
dev_err(&pdev->dev, "adding client devices failed with %d\n",
ret);
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index 767302d..f5448d4 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -331,6 +331,7 @@ static inline void ipu_cpmem_set_burstsize(struct ipu_ch_param __iomem *p,
};
struct ipu_client_platformdata {
+ int csi;
int di;
int dc;
int dp;
--
1.8.5.1
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