diff options
Diffstat (limited to 'drivers/staging/media')
-rw-r--r-- | drivers/staging/media/atomisp/pci/ia_css_frame_public.h | 74 | ||||
-rw-r--r-- | drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c | 121 |
2 files changed, 0 insertions, 195 deletions
diff --git a/drivers/staging/media/atomisp/pci/ia_css_frame_public.h b/drivers/staging/media/atomisp/pci/ia_css_frame_public.h index 32d6d9699c37..7ba464abf447 100644 --- a/drivers/staging/media/atomisp/pci/ia_css_frame_public.h +++ b/drivers/staging/media/atomisp/pci/ia_css_frame_public.h @@ -205,15 +205,6 @@ struct ia_css_frame { .flash_state = IA_CSS_FRAME_FLASH_STATE_NONE, \ } -/* @brief Fill a frame with zeros - * - * @param frame The frame. - * @return None - * - * Fill a frame with pixel values of zero - */ -void ia_css_frame_zero(struct ia_css_frame *frame); - /* @brief Allocate a CSS frame structure * * @param frame The allocated frame. @@ -270,71 +261,6 @@ ia_css_frame_allocate_from_info(struct ia_css_frame **frame, void ia_css_frame_free(struct ia_css_frame *frame); -/* @brief Allocate a CSS frame structure using a frame info structure. - * - * @param frame The allocated frame. - * @param[in] info The frame info structure. - * @return The error code. - * - * Allocate an empty CSS frame with no data buffer using the parameters - * in the frame info. - */ -int -ia_css_frame_create_from_info(struct ia_css_frame **frame, - const struct ia_css_frame_info *info); - -/* @brief Set a mapped data buffer to a CSS frame - * - * @param[in] frame Valid CSS frame pointer - * @param[in] mapped_data Mapped data buffer to be assigned to the CSS frame - * @param[in] data_size_bytes Size of the mapped_data in bytes - * @return The error code. - * - * Sets a mapped data buffer to this frame. This function can be called multiple - * times with different buffers or NULL to reset the data pointer. This API - * would not try free the mapped_data and its the callers responsiblity to - * free the mapped_data buffer. However if ia_css_frame_free() is called and - * the frame had a valid data buffer, it would be freed along with the frame. - */ -int -ia_css_frame_set_data(struct ia_css_frame *frame, - const ia_css_ptr mapped_data, - size_t data_size_bytes); - -/* @brief Map an existing frame data pointer to a CSS frame. - * - * @param frame Pointer to the frame to be initialized - * @param[in] info The frame info. - * @param[in] data Pointer to the allocated frame data. - * @param[in] attribute Attributes to be passed to mmgr_mmap. - * @param[in] context Pointer to the a context to be passed to mmgr_mmap. - * @return The allocated frame structure. - * - * This function maps a pre-allocated pointer into a CSS frame. This can be - * used when an upper software layer is responsible for allocating the frame - * data and it wants to share that frame pointer with the CSS code. - * This function will fill the CSS frame structure just like - * ia_css_frame_allocate() does, but instead of allocating the memory, it will - * map the pre-allocated memory into the CSS address space. - */ -int -ia_css_frame_map(struct ia_css_frame **frame, - const struct ia_css_frame_info *info, - const void __user *data, - unsigned int pgnr); - -/* @brief Unmap a CSS frame structure. - * - * @param[in] frame Pointer to the CSS frame. - * @return None - * - * This function unmaps the frame data pointer within a CSS frame and - * then frees the CSS frame structure. Use this for frame pointers created - * using ia_css_frame_map(). - */ -void -ia_css_frame_unmap(struct ia_css_frame *frame); - static inline const struct ia_css_frame_info * ia_css_frame_get_info(const struct ia_css_frame *frame) { diff --git a/drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c b/drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c index 332b4a39e74d..83bb42e05421 100644 --- a/drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c +++ b/drivers/staging/media/atomisp/pci/runtime/frame/src/frame.c @@ -88,12 +88,6 @@ ia_css_elems_bytes_from_info( ** CSS API functions, exposed by ia_css.h **************************************************************************/ -void ia_css_frame_zero(struct ia_css_frame *frame) -{ - assert(frame); - hmm_set(frame->data, 0, frame->data_bytes); -} - int ia_css_frame_allocate_from_info(struct ia_css_frame **frame, const struct ia_css_frame_info *info) { @@ -143,121 +137,6 @@ int ia_css_frame_allocate(struct ia_css_frame **frame, return err; } -int ia_css_frame_map(struct ia_css_frame **frame, - const struct ia_css_frame_info *info, - const void __user *data, - unsigned int pgnr) -{ - int err = 0; - struct ia_css_frame *me; - - assert(frame); - - /* Create the frame structure */ - err = ia_css_frame_create_from_info(&me, info); - - if (err) - return err; - - if (pgnr < ((PAGE_ALIGN(me->data_bytes)) >> PAGE_SHIFT)) { - dev_err(atomisp_dev, - "user space memory size is less than the expected size..\n"); - err = -ENOMEM; - goto error; - } else if (pgnr > ((PAGE_ALIGN(me->data_bytes)) >> PAGE_SHIFT)) { - dev_err(atomisp_dev, - "user space memory size is large than the expected size..\n"); - err = -ENOMEM; - goto error; - } - - me->data = hmm_create_from_userdata(me->data_bytes, data); - if (me->data == mmgr_NULL) - err = -EINVAL; - -error: - if (err) { - kvfree(me); - me = NULL; - } - - *frame = me; - - return err; -} - -int ia_css_frame_create_from_info(struct ia_css_frame **frame, - const struct ia_css_frame_info *info) -{ - int err = 0; - struct ia_css_frame *me; - - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_frame_create_from_info() enter:\n"); - if (!frame || !info) { - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_frame_create_from_info() leave: invalid arguments\n"); - return -EINVAL; - } - - me = frame_create(info->res.width, - info->res.height, - info->format, - info->padded_width, - info->raw_bit_depth, - false); - if (!me) { - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_frame_create_from_info() leave: frame create failed\n"); - return -ENOMEM; - } - - err = ia_css_frame_init_planes(me); - - if (err) { - kvfree(me); - me = NULL; - } - - *frame = me; - - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_frame_create_from_info() leave:\n"); - - return err; -} - -int ia_css_frame_set_data(struct ia_css_frame *frame, - const ia_css_ptr mapped_data, - size_t data_bytes) -{ - int err = 0; - - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_frame_set_data() enter:\n"); - if (!frame) { - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_frame_set_data() leave: NULL frame\n"); - return -EINVAL; - } - - /* If we are setting a valid data. - * Make sure that there is enough - * room for the expected frame format - */ - if ((mapped_data != mmgr_NULL) && (frame->data_bytes > data_bytes)) { - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, - "ia_css_frame_set_data() leave: invalid arguments\n"); - return -EINVAL; - } - - frame->data = mapped_data; - - ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, "ia_css_frame_set_data() leave:\n"); - - return err; -} - void ia_css_frame_free(struct ia_css_frame *frame) { IA_CSS_ENTER_PRIVATE("frame = %p", frame); |