Commit 86c9abf8 authored by Hans de Goede's avatar Hans de Goede Committed by Mauro Carvalho Chehab
Browse files

media: atomisp: Remove unused ia_css_frame_*() functions



After the conversion to videobuf2 a bunch of ia_css_frame_*()
functions are unused, remove them.

Reviewed-by: default avatarAndy Shevchenko <andy@kernel.org>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@kernel.org>
parent 9ff83b98
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+0 −74
Original line number Diff line number Diff line
@@ -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)
{
+0 −121
Original line number Diff line number Diff line
@@ -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);