shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 03:40:35 +09:00
Code Issues Packages Projects Releases Wiki Activity

IEP: add capabilities query interface

Browse Source 
add capabilities query interface for userspace to query
iep device feature in current soc.

Change-Id: I377e686b2ce0357aa75445e4e47e9e4883a077ae
Signed-off-by: alpha.lin <alpha.lin@rock-chips.com>
This commit is contained in:
alpha.lin
2015-09-22 16:44:04 +08:00
committed by Gerrit Code Review
parent c8c06956fb
commit cfaf327bab
5 changed files with 83 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/boot/dts/rk312x.dtsi
View File

@@ -829,6 +829,7 @@
interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk_gates9 8>, <&clk_gates9 7>;
clock-names = "aclk_iep", "hclk_iep";
version = <1>;
status = "okay";
};

1
arch/arm/boot/dts/rk3288.dtsi
View File

@@ -1116,6 +1116,7 @@
interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk_gates15 2>, <&clk_gates15 3>;
clock-names = "aclk_iep", "hclk_iep";
version = <0>;
status = "okay";
};

1
arch/arm64/boot/dts/rk3368.dtsi
View File

@@ -1221,6 +1221,7 @@
interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&clk_gates16 2>, <&clk_gates16 3>;
clock-names = "aclk_iep", "hclk_iep";
version = <2>;
status = "okay";
};

25
drivers/video/rockchip/iep/iep.h
View File

@@ -1,6 +1,24 @@
#ifndef _IEP_H_
#define _IEP_H_
/* Capability for current iep version
using by userspace to determine iep features */
struct IEP_CAP {
u8 scaling_supported;
u8 i4_deinterlace_supported;
u8 i2_deinterlace_supported;
u8 compression_noise_reduction_supported;
u8 sampling_noise_reduction_supported;
u8 hsb_enhancement_supported;
u8 cg_enhancement_supported;
u8 direct_path_supported;
u16 max_dynamic_width;
u16 max_dynamic_height;
u16 max_static_width;
u16 max_static_height;
u8 max_enhance_radius;
};
#define IEP_IOC_MAGIC 'i'
#define IEP_SET_PARAMETER_REQ _IOW(IEP_IOC_MAGIC, 1, unsigned long)
@@ -13,6 +31,7 @@
#define IEP_SET_PARAMETER _IOW(IEP_IOC_MAGIC, 8, unsigned long)
#define IEP_RELEASE_CURRENT_TASK _IOW(IEP_IOC_MAGIC, 9, unsigned long)
#define IEP_GET_IOMMU_STATE _IOR(IEP_IOC_MAGIC,10, unsigned long)
#define IEP_QUERY_CAP _IOR(IEP_IOC_MAGIC,11, struct IEP_CAP)
#ifdef CONFIG_COMPAT
#define COMPAT_IEP_SET_PARAMETER_REQ _IOW(IEP_IOC_MAGIC, 1, u32)
@@ -25,6 +44,7 @@
#define COMPAT_IEP_SET_PARAMETER _IOW(IEP_IOC_MAGIC, 8, u32)
#define COMPAT_IEP_RELEASE_CURRENT_TASK _IOW(IEP_IOC_MAGIC, 9, u32)
#define COMPAT_IEP_GET_IOMMU_STATE _IOR(IEP_IOC_MAGIC,10, u32)
#define COMPAT_IEP_QUERY_CAP _IOR(IEP_IOC_MAGIC,11, struct IEP_CAP)
#endif
/* Driver information */
@@ -36,7 +56,7 @@
#define iep_debug(level, fmt, args...) \
do { \
if (debug >= level) \
pr_info("%s:%d: " fmt, \
pr_info("%s:%d: " fmt, \
__func__, __LINE__, ##args); \
} while (0)
#else
@@ -170,12 +190,11 @@ struct iep_img
u8 alpha_swap; /* not be used */
};
struct IEP_MSG {
struct iep_img src;
struct iep_img dst;
struct iep_img src1;
struct iep_img src1;
struct iep_img dst1;
struct iep_img src_itemp;

58
drivers/video/rockchip/iep/iep_drv.c
View File

@@ -77,6 +77,9 @@ struct iep_drvdata {
atomic_t iep_int;
atomic_t mmu_page_fault;
atomic_t mmu_bus_error;
/* capability for this iep device */
struct IEP_CAP cap;
};
struct iep_drvdata *iep_drvdata1 = NULL;
@@ -800,6 +803,13 @@ static long iep_ioctl(struct file *filp, uint32_t cmd, unsigned long arg)
}
}
break;
case IEP_QUERY_CAP:
if (copy_to_user((void __user *)arg, &iep_drvdata1->cap,
sizeof(struct IEP_CAP))) {
IEP_ERR("error: copy_to_user failed\n");
return -EFAULT;
}
break;
default:
IEP_ERR("unknown ioctl cmd!\n");
ret = -EINVAL;
@@ -886,6 +896,13 @@ static long compat_iep_ioctl(struct file *filp, uint32_t cmd,
}
}
break;
case COMPAT_IEP_QUERY_CAP:
if (copy_to_user((void __user *)arg, &iep_drvdata1->cap,
sizeof(struct IEP_CAP))) {
IEP_ERR("error: copy_to_user failed\n");
return -EFAULT;
}
break;
default:
IEP_ERR("unknown ioctl cmd!\n");
ret = -EINVAL;
@@ -987,6 +1004,7 @@ static int iep_drv_probe(struct platform_device *pdev)
struct iep_drvdata *data;
int ret = 0;
struct resource *res = NULL;
u32 version;
#if defined(CONFIG_IEP_IOMMU)
u32 iommu_en = 0;
struct device *mmu_dev = NULL;
@@ -1070,6 +1088,46 @@ static int iep_drv_probe(struct platform_device *pdev)
mutex_init(&iep_service.mutex);
if (of_property_read_u32(np, "version", &version)) {
version = 0;
}
data->cap.scaling_supported = 0;
data->cap.i4_deinterlace_supported = 1;
data->cap.i2_deinterlace_supported = 1;
data->cap.compression_noise_reduction_supported = 1;
data->cap.sampling_noise_reduction_supported = 1;
data->cap.hsb_enhancement_supported = 1;
data->cap.cg_enhancement_supported = 1;
data->cap.direct_path_supported = 1;
data->cap.max_dynamic_width = 1920;
data->cap.max_dynamic_height = 1088;
data->cap.max_static_width = 8192;
data->cap.max_static_height = 8192;
data->cap.max_enhance_radius = 3;
switch (version) {
case 0:
data->cap.scaling_supported = 1;
break;
case 1:
data->cap.compression_noise_reduction_supported = 0;
data->cap.sampling_noise_reduction_supported = 0;
if (soc_is_rk3126b()) {
data->cap.i4_deinterlace_supported = 0;
data->cap.hsb_enhancement_supported = 0;
data->cap.cg_enhancement_supported = 0;
}
break;
case 2:
data->cap.max_dynamic_width = 4096;
data->cap.max_dynamic_height = 2340;
data->cap.max_enhance_radius = 2;
break;
default:
;
}
platform_set_drvdata(pdev, data);
ret = misc_register(&iep_dev);