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Subject[PATCH v2 01/41] media: atomisp: simplify hive_isp_css_mm_hrt wrapper
Date
The code there is a wrapper for hmm/ wrapper. Simplify it,
and get rid of ION-specific code.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
drivers/staging/media/atomisp/Makefile | 5 --
.../media/atomisp/include/hmm/hmm_bo.h | 9 ---
.../staging/media/atomisp/pci/atomisp_acc.c | 2 +-
.../staging/media/atomisp/pci/atomisp_ioctl.c | 35 ---------
.../media/atomisp/pci/atomisp_subdev.c | 5 --
.../atomisp/pci/hrt/hive_isp_css_mm_hrt.c | 77 +++----------------
.../atomisp/pci/hrt/hive_isp_css_mm_hrt.h | 12 ---
.../media/atomisp/pci/ia_css_memory_access.c | 1 -
8 files changed, 13 insertions(+), 133 deletions(-)

diff --git a/drivers/staging/media/atomisp/Makefile b/drivers/staging/media/atomisp/Makefile
index c7a55d059425..b48eb7946a58 100644
--- a/drivers/staging/media/atomisp/Makefile
+++ b/drivers/staging/media/atomisp/Makefile
@@ -327,11 +327,6 @@ INCLUDES_cht += \
# -I$(atomisp)/pci/css_2401_system/hrt/ \
# -I$(atomisp)/pci/css_2401_system/hive_isp_css_2401_system_generated/ \

-
-ifeq ($(CONFIG_ION),y)
-INCLUDES += -I$(srctree)/drivers/staging/android/ion
-endif
-
DEFINES := -DHRT_HW -DHRT_ISP_CSS_CUSTOM_HOST -DHRT_USE_VIR_ADDRS -D__HOST__
#DEFINES += -DUSE_DYNAMIC_BIN
#DEFINES += -DISP_POWER_GATING
diff --git a/drivers/staging/media/atomisp/include/hmm/hmm_bo.h b/drivers/staging/media/atomisp/include/hmm/hmm_bo.h
index f847d1de860e..7fcb93b6c0f5 100644
--- a/drivers/staging/media/atomisp/include/hmm/hmm_bo.h
+++ b/drivers/staging/media/atomisp/include/hmm/hmm_bo.h
@@ -77,9 +77,6 @@ enum hmm_bo_type {
HMM_BO_PRIVATE,
HMM_BO_SHARE,
HMM_BO_USER,
-#ifdef CONFIG_ION
- HMM_BO_ION,
-#endif
HMM_BO_LAST,
};

@@ -111,9 +108,6 @@ struct hmm_bo_device {

/* list lock is used to protect the entire_bo_list */
spinlock_t list_lock;
-#ifdef CONFIG_ION
- struct ion_client *iclient;
-#endif
int flag;

/* linked list for entire buffer object */
@@ -142,9 +136,6 @@ struct hmm_buffer_object {
struct hmm_page_object *page_obj; /* physical pages */
int from_highmem;
int mmap_count;
-#ifdef CONFIG_ION
- struct ion_handle *ihandle;
-#endif
int status;
int mem_type;
void *vmap_addr; /* kernel virtual address by vmap */
diff --git a/drivers/staging/media/atomisp/pci/atomisp_acc.c b/drivers/staging/media/atomisp/pci/atomisp_acc.c
index 21337c23bfa8..bb1f60fab786 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_acc.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_acc.c
@@ -355,7 +355,7 @@ int atomisp_acc_map(struct atomisp_sub_device *asd, struct atomisp_acc_map *map)
pgnr = DIV_ROUND_UP(map->length, PAGE_SIZE);
cssptr = hrt_isp_css_mm_alloc_user_ptr(map->length,
map->user_ptr,
- pgnr, HRT_USR_PTR,
+ pgnr,
(map->flags & ATOMISP_MAP_FLAG_CACHED));
} else {
/* Allocate private buffer. */
diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
index 39400a8677aa..8aea90ecd508 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
@@ -1205,41 +1205,6 @@ static int atomisp_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
}

attributes.pgnr = pgnr;
- attributes.type = HRT_USR_PTR;
-#ifdef CONFIG_ION
- if (!atomisp_hw_is_isp2401) {
- if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_ION)
- attributes.type = HRT_USR_ION;
- } else {
- if (buf->type == V4L2_BUF_TYPE_VIDEO_CAPTURE_ION) {
- attributes.type = HRT_USR_ION;
- if (asd->ion_dev_fd->val != ION_FD_UNSET) {
- dev_dbg(isp->dev, "ION buffer queued, share_fd=%lddev_fd=%d.\n",
- buf->m.userptr, asd->ion_dev_fd->val);
- /*
- * Make sure the shared fd we just got
- * from user space isn't larger than
- * the space we have for it.
- */
- if ((buf->m.userptr &
- (ATOMISP_ION_DEVICE_FD_MASK)) != 0) {
- dev_err(isp->dev,
- "Error: v4l2 buffer fd:0X%0lX > 0XFFFF.\n",
- buf->m.userptr);
- ret = -EINVAL;
- goto error;
- }
- buf->m.userptr |= asd->ion_dev_fd->val <<
- ATOMISP_ION_DEVICE_FD_OFFSET;
- } else {
- dev_err(isp->dev, "v4l2 buffer type is ION, \
- but no dev fd set from userspace.\n");
- ret = -EINVAL;
- goto error;
- }
- }
- }
-#endif
ret = atomisp_css_frame_map(&handle, &frame_info,
(void __user *)buf->m.userptr,
0, &attributes);
diff --git a/drivers/staging/media/atomisp/pci/atomisp_subdev.c b/drivers/staging/media/atomisp/pci/atomisp_subdev.c
index d3206ddf3b65..830aefad9312 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_subdev.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_subdev.c
@@ -1223,11 +1223,6 @@ static int isp_subdev_init_entities(struct atomisp_sub_device *asd)
asd->select_isp_version = v4l2_ctrl_new_custom(&asd->ctrl_handler,
&ctrl_select_isp_version,
NULL);
-#if 0 /* #ifdef CONFIG_ION */
- asd->ion_dev_fd = v4l2_ctrl_new_custom(&asd->ctrl_handler,
- &ctrl_ion_dev_fd,
- NULL);
-#endif
}

/* Make controls visible on subdev as well. */
diff --git a/drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.c b/drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.c
index 236f27b50386..14e02fd76ddf 100644
--- a/drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.c
+++ b/drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.c
@@ -24,85 +24,32 @@

#define __page_align(size) (((size) + (PAGE_SIZE - 1)) & (~(PAGE_SIZE - 1)))

-static void __user *my_userptr;
-static unsigned int my_num_pages;
-static enum hrt_userptr_type my_usr_type;
-
-void hrt_isp_css_mm_set_user_ptr(void __user *userptr,
- unsigned int num_pages,
- enum hrt_userptr_type type)
-{
- my_userptr = userptr;
- my_num_pages = num_pages;
- my_usr_type = type;
-}
-
-static ia_css_ptr __hrt_isp_css_mm_alloc(size_t bytes,
- const void __user *userptr,
- unsigned int num_pages,
- enum hrt_userptr_type type,
- bool cached)
-{
-#ifdef CONFIG_ION
- if (type == HRT_USR_ION)
- return hmm_alloc(bytes, HMM_BO_ION, 0,
- userptr, cached);
-
-#endif
- if (type == HRT_USR_PTR) {
- if (!userptr)
- return hmm_alloc(bytes, HMM_BO_PRIVATE, 0,
- NULL, cached);
- else {
- if (num_pages < ((__page_align(bytes)) >> PAGE_SHIFT))
- dev_err(atomisp_dev,
- "user space memory size is less than the expected size..\n");
- else if (num_pages > ((__page_align(bytes))
- >> PAGE_SHIFT))
- dev_err(atomisp_dev,
- "user space memory size is large than the expected size..\n");
-
- return hmm_alloc(bytes, HMM_BO_USER, 0,
- userptr, cached);
- }
- } else {
- dev_err(atomisp_dev, "user ptr type is incorrect.\n");
- return 0;
- }
-}
-
ia_css_ptr hrt_isp_css_mm_alloc(size_t bytes)
{
- return __hrt_isp_css_mm_alloc(bytes, my_userptr,
- my_num_pages, my_usr_type, false);
+ return hmm_alloc(bytes, HMM_BO_PRIVATE, 0, NULL, false);
}

ia_css_ptr hrt_isp_css_mm_alloc_user_ptr(size_t bytes,
const void __user *userptr,
unsigned int num_pages,
- enum hrt_userptr_type type,
bool cached)
{
- return __hrt_isp_css_mm_alloc(bytes, userptr, num_pages,
- type, cached);
+ if (num_pages < ((__page_align(bytes)) >> PAGE_SHIFT))
+ dev_err(atomisp_dev,
+ "user space memory size is less than the expected size..\n");
+ else if (num_pages > ((__page_align(bytes))
+ >> PAGE_SHIFT))
+ dev_err(atomisp_dev,
+ "user space memory size is large than the expected size..\n");
+
+ return hmm_alloc(bytes, HMM_BO_USER, 0,
+ userptr, cached);
}

ia_css_ptr hrt_isp_css_mm_alloc_cached(size_t bytes)
{
- if (!my_userptr)
- return hmm_alloc(bytes, HMM_BO_PRIVATE, 0, NULL,
+ return hmm_alloc(bytes, HMM_BO_PRIVATE, 0, NULL,
HMM_CACHED);
- else {
- if (my_num_pages < ((__page_align(bytes)) >> PAGE_SHIFT))
- dev_err(atomisp_dev,
- "user space memory size is less than the expected size..\n");
- else if (my_num_pages > ((__page_align(bytes)) >> PAGE_SHIFT))
- dev_err(atomisp_dev,
- "user space memory size is large than the expected size..\n");
-
- return hmm_alloc(bytes, HMM_BO_USER, 0,
- my_userptr, HMM_CACHED);
- }
}

ia_css_ptr hrt_isp_css_mm_calloc(size_t bytes)
diff --git a/drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.h b/drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.h
index 818ecf90b1f5..e4c90c268c42 100644
--- a/drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.h
+++ b/drivers/staging/media/atomisp/pci/hrt/hive_isp_css_mm_hrt.h
@@ -25,27 +25,15 @@

#define HRT_BUF_FLAG_CACHED BIT(0)

-enum hrt_userptr_type {
- HRT_USR_PTR = 0,
-#ifdef CONFIG_ION
- HRT_USR_ION,
-#endif
-};
-
struct hrt_userbuffer_attr {
- enum hrt_userptr_type type;
unsigned int pgnr;
};

-void hrt_isp_css_mm_set_user_ptr(void __user *userptr,
- unsigned int num_pages, enum hrt_userptr_type);
-
/* Allocate memory, returns a virtual address */
ia_css_ptr hrt_isp_css_mm_alloc(size_t bytes);
ia_css_ptr hrt_isp_css_mm_alloc_user_ptr(size_t bytes,
const void __user *userptr,
unsigned int num_pages,
- enum hrt_userptr_type,
bool cached);
ia_css_ptr hrt_isp_css_mm_alloc_cached(size_t bytes);

diff --git a/drivers/staging/media/atomisp/pci/ia_css_memory_access.c b/drivers/staging/media/atomisp/pci/ia_css_memory_access.c
index 8d1356047448..6084d54acac3 100644
--- a/drivers/staging/media/atomisp/pci/ia_css_memory_access.c
+++ b/drivers/staging/media/atomisp/pci/ia_css_memory_access.c
@@ -80,6 +80,5 @@ mmgr_mmap(const void __user *ptr, const size_t size,

return hrt_isp_css_mm_alloc_user_ptr(
size, ptr, userbuffer_attr->pgnr,
- userbuffer_attr->type,
attribute & HRT_BUF_FLAG_CACHED);
}
--
2.26.2
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