media: platform: place stm32/ and sti/ under st/ dir

As the end goal is to have platform drivers split by vendor,
move both stm32/ and sti/ for them to be inside st/ directory.

Acked-by: Hugues Fruchet <hugues.fruchet@st.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

1 files changed, 0 insertions, 1063 deletions

diff --git a/drivers/media/platform/sti/hva/hva-h264.c b/drivers/media/platform/sti/hva/hva-h264.c
deleted file mode 100644
index 98cb00d2d868..000000000000
--- a/drivers/media/platform/sti/hva/hva-h264.c
+++ /dev/null
@@ -1,1063 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (C) STMicroelectronics SA 2015
- * Authors: Yannick Fertre <yannick.fertre@st.com>
- *          Hugues Fruchet <hugues.fruchet@st.com>
- */
-
-#include "hva.h"
-#include "hva-hw.h"
-
-#define MAX_SPS_PPS_SIZE 128
-
-#define BITSTREAM_OFFSET_MASK 0x7F
-
-/* video max size*/
-#define H264_MAX_SIZE_W 1920
-#define H264_MAX_SIZE_H 1920
-
-/* macroBlocs number (width & height) */
-#define MB_W(w) ((w + 0xF)  / 0x10)
-#define MB_H(h) ((h + 0xF)  / 0x10)
-
-/* formula to get temporal or spatial data size */
-#define DATA_SIZE(w, h) (MB_W(w) * MB_H(h) * 16)
-
-#define SEARCH_WINDOW_BUFFER_MAX_SIZE(w) ((4 * MB_W(w) + 42) * 256 * 3 / 2)
-#define CABAC_CONTEXT_BUFFER_MAX_SIZE(w) (MB_W(w) * 16)
-#define CTX_MB_BUFFER_MAX_SIZE(w) (MB_W(w) * 16 * 8)
-#define SLICE_HEADER_SIZE (4 * 16)
-#define BRC_DATA_SIZE (5 * 16)
-
-/* source buffer copy in YUV 420 MB-tiled format with size=16*256*3/2 */
-#define CURRENT_WINDOW_BUFFER_MAX_SIZE (16 * 256 * 3 / 2)
-
-/*
- * 4 lines of pixels (in Luma, Chroma blue and Chroma red) of top MB
- * for deblocking with size=4*16*MBx*2
- */
-#define LOCAL_RECONSTRUCTED_BUFFER_MAX_SIZE(w) (4 * 16 * MB_W(w) * 2)
-
-/* factor for bitrate and cpb buffer size max values if profile >= high */
-#define H264_FACTOR_HIGH 1200
-
-/* factor for bitrate and cpb buffer size max values if profile < high */
-#define H264_FACTOR_BASELINE 1000
-
-/* number of bytes for NALU_TYPE_FILLER_DATA header and footer */
-#define H264_FILLER_DATA_SIZE 6
-
-struct h264_profile {
-	enum v4l2_mpeg_video_h264_level level;
-	u32 max_mb_per_seconds;
-	u32 max_frame_size;
-	u32 max_bitrate;
-	u32 max_cpb_size;
-	u32 min_comp_ratio;
-};
-
-static const struct h264_profile h264_infos_list[] = {
-	{V4L2_MPEG_VIDEO_H264_LEVEL_1_0, 1485, 99, 64, 175, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_1B, 1485, 99, 128, 350, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_1_1, 3000, 396, 192, 500, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_1_2, 6000, 396, 384, 1000, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_1_3, 11880, 396, 768, 2000, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_2_0, 11880, 396, 2000, 2000, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_2_1, 19800, 792, 4000, 4000, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_2_2, 20250, 1620, 4000, 4000, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_3_0, 40500, 1620, 10000, 10000, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_3_1, 108000, 3600, 14000, 14000, 4},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_3_2, 216000, 5120, 20000, 20000, 4},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_4_0, 245760, 8192, 20000, 25000, 4},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_4_1, 245760, 8192, 50000, 62500, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_4_2, 522240, 8704, 50000, 62500, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_5_0, 589824, 22080, 135000, 135000, 2},
-	{V4L2_MPEG_VIDEO_H264_LEVEL_5_1, 983040, 36864, 240000, 240000, 2}
-};
-
-enum hva_brc_type {
-	BRC_TYPE_NONE = 0,
-	BRC_TYPE_CBR = 1,
-	BRC_TYPE_VBR = 2,
-	BRC_TYPE_VBR_LOW_DELAY = 3
-};
-
-enum hva_entropy_coding_mode {
-	CAVLC = 0,
-	CABAC = 1
-};
-
-enum hva_picture_coding_type {
-	PICTURE_CODING_TYPE_I = 0,
-	PICTURE_CODING_TYPE_P = 1,
-	PICTURE_CODING_TYPE_B = 2
-};
-
-enum hva_h264_sampling_mode {
-	SAMPLING_MODE_NV12 = 0,
-	SAMPLING_MODE_UYVY = 1,
-	SAMPLING_MODE_RGB3 = 3,
-	SAMPLING_MODE_XRGB4 = 4,
-	SAMPLING_MODE_NV21 = 8,
-	SAMPLING_MODE_VYUY = 9,
-	SAMPLING_MODE_BGR3 = 11,
-	SAMPLING_MODE_XBGR4 = 12,
-	SAMPLING_MODE_RGBX4 = 20,
-	SAMPLING_MODE_BGRX4 = 28
-};
-
-enum hva_h264_nalu_type {
-	NALU_TYPE_UNKNOWN = 0,
-	NALU_TYPE_SLICE = 1,
-	NALU_TYPE_SLICE_DPA = 2,
-	NALU_TYPE_SLICE_DPB = 3,
-	NALU_TYPE_SLICE_DPC = 4,
-	NALU_TYPE_SLICE_IDR = 5,
-	NALU_TYPE_SEI = 6,
-	NALU_TYPE_SPS = 7,
-	NALU_TYPE_PPS = 8,
-	NALU_TYPE_AU_DELIMITER = 9,
-	NALU_TYPE_SEQ_END = 10,
-	NALU_TYPE_STREAM_END = 11,
-	NALU_TYPE_FILLER_DATA = 12,
-	NALU_TYPE_SPS_EXT = 13,
-	NALU_TYPE_PREFIX_UNIT = 14,
-	NALU_TYPE_SUBSET_SPS = 15,
-	NALU_TYPE_SLICE_AUX = 19,
-	NALU_TYPE_SLICE_EXT = 20
-};
-
-enum hva_h264_sei_payload_type {
-	SEI_BUFFERING_PERIOD = 0,
-	SEI_PICTURE_TIMING = 1,
-	SEI_STEREO_VIDEO_INFO = 21,
-	SEI_FRAME_PACKING_ARRANGEMENT = 45
-};
-
-/*
- * stereo Video Info struct
- */
-struct hva_h264_stereo_video_sei {
-	u8 field_views_flag;
-	u8 top_field_is_left_view_flag;
-	u8 current_frame_is_left_view_flag;
-	u8 next_frame_is_second_view_flag;
-	u8 left_view_self_contained_flag;
-	u8 right_view_self_contained_flag;
-};
-
-/*
- * struct hva_h264_td
- *
- * @frame_width: width in pixels of the buffer containing the input frame
- * @frame_height: height in pixels of the buffer containing the input frame
- * @frame_num: the parameter to be written in the slice header
- * @picture_coding_type: type I, P or B
- * @pic_order_cnt_type: POC mode, as defined in H264 std : can be 0,1,2
- * @first_picture_in_sequence: flag telling to encoder that this is the
- *			       first picture in a video sequence.
- *			       Used for VBR
- * @slice_size_type: 0 = no constraint to close the slice
- *		     1= a slice is closed as soon as the slice_mb_size limit
- *			is reached
- *		     2= a slice is closed as soon as the slice_byte_size limit
- *			is reached
- *		     3= a slice is closed as soon as either the slice_byte_size
- *			limit or the slice_mb_size limit is reached
- * @slice_mb_size: defines the slice size in number of macroblocks
- *		   (used when slice_size_type=1 or slice_size_type=3)
- * @ir_param_option: defines the number of macroblocks per frame to be
- *		     refreshed by AIR algorithm OR the refresh period
- *		     by CIR algorithm
- * @intra_refresh_type: enables the adaptive intra refresh algorithm.
- *			Disable=0 / Adaptative=1 and Cycle=2 as intra refresh
- * @use_constrained_intra_flag: constrained_intra_pred_flag from PPS
- * @transform_mode: controls the use of 4x4/8x8 transform mode
- * @disable_deblocking_filter_idc:
- *		     0: specifies that all luma and chroma block edges of
- *			the slice are filtered.
- *		     1: specifies that deblocking is disabled for all block
- *			edges of the slice.
- *		     2: specifies that all luma and chroma block edges of
- *			the slice are filtered with exception of the block edges
- *			that coincide with slice boundaries
- * @slice_alpha_c0_offset_div2: to be written in slice header,
- *				controls deblocking
- * @slice_beta_offset_div2: to be written in slice header,
- *			    controls deblocking
- * @encoder_complexity: encoder complexity control (IME).
- *		     0 = I_16x16, P_16x16, Full ME Complexity
- *		     1 = I_16x16, I_NxN, P_16x16, Full ME Complexity
- *		     2 = I_16x16, I_NXN, P_16x16, P_WxH, Full ME Complexity
- *		     4 = I_16x16, P_16x16, Reduced ME Complexity
- *		     5 = I_16x16, I_NxN, P_16x16, Reduced ME Complexity
- *		     6 = I_16x16, I_NXN, P_16x16, P_WxH, Reduced ME Complexity
- *  @chroma_qp_index_offset: coming from picture parameter set
- *			     (PPS see [H.264 STD] 7.4.2.2)
- *  @entropy_coding_mode: entropy coding mode.
- *			  0 = CAVLC
- *			  1 = CABAC
- * @brc_type: selects the bit-rate control algorithm
- *		     0 = constant Qp, (no BRC)
- *		     1 = CBR
- *		     2 = VBR
- * @quant: Quantization param used in case of fix QP encoding (no BRC)
- * @non_VCL_NALU_Size: size of non-VCL NALUs (SPS, PPS, filler),
- *		       used by BRC
- * @cpb_buffer_size: size of Coded Picture Buffer, used by BRC
- * @bit_rate: target bitrate, for BRC
- * @qp_min: min QP threshold
- * @qp_max: max QP threshold
- * @framerate_num: target framerate numerator , used by BRC
- * @framerate_den: target framerate denomurator , used by BRC
- * @delay: End-to-End Initial Delay
- * @strict_HRD_compliancy: flag for HDR compliancy (1)
- *			   May impact quality encoding
- * @addr_source_buffer: address of input frame buffer for current frame
- * @addr_fwd_Ref_Buffer: address of reference frame buffer
- * @addr_rec_buffer: address of reconstructed frame buffer
- * @addr_output_bitstream_start: output bitstream start address
- * @addr_output_bitstream_end: output bitstream end address
- * @addr_external_sw : address of external search window
- * @addr_lctx : address of context picture buffer
- * @addr_local_rec_buffer: address of local reconstructed buffer
- * @addr_spatial_context: address of spatial context buffer
- * @bitstream_offset: offset in bits between aligned bitstream start
- *		      address and first bit to be written by HVA.
- *		      Range value is [0..63]
- * @sampling_mode: Input picture format .
- *		     0: YUV420 semi_planar Interleaved
- *		     1: YUV422 raster Interleaved
- * @addr_param_out: address of output parameters structure
- * @addr_scaling_matrix: address to the coefficient of
- *			 the inverse scaling matrix
- * @addr_scaling_matrix_dir: address to the coefficient of
- *			     the direct scaling matrix
- * @addr_cabac_context_buffer: address of cabac context buffer
- * @GmvX: Input information about the horizontal global displacement of
- *	  the encoded frame versus the previous one
- * @GmvY: Input information about the vertical global displacement of
- *	  the encoded frame versus the previous one
- * @window_width: width in pixels of the window to be encoded inside
- *		  the input frame
- * @window_height: width in pixels of the window to be encoded inside
- *		   the input frame
- * @window_horizontal_offset: horizontal offset in pels for input window
- *			      within input frame
- * @window_vertical_offset: vertical offset in pels for input window
- *			    within input frame
- * @addr_roi: Map of QP offset for the Region of Interest algorithm and
- *	      also used for Error map.
- *	      Bit 0-6 used for qp offset (value -64 to 63).
- *	      Bit 7 used to force intra
- * @addr_slice_header: address to slice header
- * @slice_header_size_in_bits: size in bits of the Slice header
- * @slice_header_offset0: Slice header offset where to insert
- *			  first_Mb_in_slice
- * @slice_header_offset1: Slice header offset where to insert
- *			  slice_qp_delta
- * @slice_header_offset2: Slice header offset where to insert
- *			  num_MBs_in_slice
- * @slice_synchro_enable: enable "slice ready" interrupt after each slice
- * @max_slice_number: Maximum number of slice in a frame
- *		      (0 is strictly forbidden)
- * @rgb2_yuv_y_coeff: Four coefficients (C0C1C2C3) to convert from RGB to
- *		      YUV for the Y component.
- *		      Y = C0*R + C1*G + C2*B + C3 (C0 is on byte 0)
- * @rgb2_yuv_u_coeff: four coefficients (C0C1C2C3) to convert from RGB to
- *		      YUV for the Y component.
- *		      Y = C0*R + C1*G + C2*B + C3 (C0 is on byte 0)
- * @rgb2_yuv_v_coeff: Four coefficients (C0C1C2C3) to convert from RGB to
- *		      YUV for the U (Cb) component.
- *		      U = C0*R + C1*G + C2*B + C3 (C0 is on byte 0)
- * @slice_byte_size: maximum slice size in bytes
- *		     (used when slice_size_type=2 or slice_size_type=3)
- * @max_air_intra_mb_nb: Maximum number of intra macroblock in a frame
- *			 for the AIR algorithm
- * @brc_no_skip: Disable skipping in the Bitrate Controller
- * @addr_brc_in_out_parameter: address of static buffer for BRC parameters
- */
-struct hva_h264_td {
-	u16 frame_width;
-	u16 frame_height;
-	u32 frame_num;
-	u16 picture_coding_type;
-	u16 reserved1;
-	u16 pic_order_cnt_type;
-	u16 first_picture_in_sequence;
-	u16 slice_size_type;
-	u16 reserved2;
-	u32 slice_mb_size;
-	u16 ir_param_option;
-	u16 intra_refresh_type;
-	u16 use_constrained_intra_flag;
-	u16 transform_mode;
-	u16 disable_deblocking_filter_idc;
-	s16 slice_alpha_c0_offset_div2;
-	s16 slice_beta_offset_div2;
-	u16 encoder_complexity;
-	s16 chroma_qp_index_offset;
-	u16 entropy_coding_mode;
-	u16 brc_type;
-	u16 quant;
-	u32 non_vcl_nalu_size;
-	u32 cpb_buffer_size;
-	u32 bit_rate;
-	u16 qp_min;
-	u16 qp_max;
-	u16 framerate_num;
-	u16 framerate_den;
-	u16 delay;
-	u16 strict_hrd_compliancy;
-	u32 addr_source_buffer;
-	u32 addr_fwd_ref_buffer;
-	u32 addr_rec_buffer;
-	u32 addr_output_bitstream_start;
-	u32 addr_output_bitstream_end;
-	u32 addr_external_sw;
-	u32 addr_lctx;
-	u32 addr_local_rec_buffer;
-	u32 addr_spatial_context;
-	u16 bitstream_offset;
-	u16 sampling_mode;
-	u32 addr_param_out;
-	u32 addr_scaling_matrix;
-	u32 addr_scaling_matrix_dir;
-	u32 addr_cabac_context_buffer;
-	u32 reserved3;
-	u32 reserved4;
-	s16 gmv_x;
-	s16 gmv_y;
-	u16 window_width;
-	u16 window_height;
-	u16 window_horizontal_offset;
-	u16 window_vertical_offset;
-	u32 addr_roi;
-	u32 addr_slice_header;
-	u16 slice_header_size_in_bits;
-	u16 slice_header_offset0;
-	u16 slice_header_offset1;
-	u16 slice_header_offset2;
-	u32 reserved5;
-	u32 reserved6;
-	u16 reserved7;
-	u16 reserved8;
-	u16 slice_synchro_enable;
-	u16 max_slice_number;
-	u32 rgb2_yuv_y_coeff;
-	u32 rgb2_yuv_u_coeff;
-	u32 rgb2_yuv_v_coeff;
-	u32 slice_byte_size;
-	u16 max_air_intra_mb_nb;
-	u16 brc_no_skip;
-	u32 addr_temporal_context;
-	u32 addr_brc_in_out_parameter;
-};
-
-/*
- * struct hva_h264_slice_po
- *
- * @ slice_size: slice size
- * @ slice_start_time: start time
- * @ slice_stop_time: stop time
- * @ slice_num: slice number
- */
-struct hva_h264_slice_po {
-	u32 slice_size;
-	u32 slice_start_time;
-	u32 slice_end_time;
-	u32 slice_num;
-};
-
-/*
- * struct hva_h264_po
- *
- * @ bitstream_size: bitstream size
- * @ dct_bitstream_size: dtc bitstream size
- * @ stuffing_bits: number of stuffing bits inserted by the encoder
- * @ removal_time: removal time of current frame (nb of ticks 1/framerate)
- * @ hvc_start_time: hvc start time
- * @ hvc_stop_time: hvc stop time
- * @ slice_count: slice count
- */
-struct hva_h264_po {
-	u32 bitstream_size;
-	u32 dct_bitstream_size;
-	u32 stuffing_bits;
-	u32 removal_time;
-	u32 hvc_start_time;
-	u32 hvc_stop_time;
-	u32 slice_count;
-	u32 reserved0;
-	struct hva_h264_slice_po slice_params[16];
-};
-
-struct hva_h264_task {
-	struct hva_h264_td td;
-	struct hva_h264_po po;
-};
-
-/*
- * struct hva_h264_ctx
- *
- * @seq_info:  sequence information buffer
- * @ref_frame: reference frame buffer
- * @rec_frame: reconstructed frame buffer
- * @task:      task descriptor
- */
-struct hva_h264_ctx {
-	struct hva_buffer *seq_info;
-	struct hva_buffer *ref_frame;
-	struct hva_buffer *rec_frame;
-	struct hva_buffer *task;
-};
-
-static int hva_h264_fill_slice_header(struct hva_ctx *pctx,
-				      u8 *slice_header_addr,
-				      struct hva_controls *ctrls,
-				      int frame_num,
-				      u16 *header_size,
-				      u16 *header_offset0,
-				      u16 *header_offset1,
-				      u16 *header_offset2)
-{
-	/*
-	 * with this HVA hardware version, part of the slice header is computed
-	 * on host and part by hardware.
-	 * The part of host is precomputed and available through this array.
-	 */
-	struct device *dev = ctx_to_dev(pctx);
-	int  cabac = V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC;
-	static const unsigned char slice_header[] = {
-		0x00, 0x00, 0x00, 0x01,
-		0x41, 0x34, 0x07, 0x00
-	};
-	int idr_pic_id = frame_num % 2;
-	enum hva_picture_coding_type type;
-	u32 frame_order = frame_num % ctrls->gop_size;
-
-	if (!(frame_num % ctrls->gop_size))
-		type = PICTURE_CODING_TYPE_I;
-	else
-		type = PICTURE_CODING_TYPE_P;
-
-	memcpy(slice_header_addr, slice_header, sizeof(slice_header));
-
-	*header_size = 56;
-	*header_offset0 = 40;
-	*header_offset1 = 13;
-	*header_offset2 = 0;
-
-	if (type == PICTURE_CODING_TYPE_I) {
-		slice_header_addr[4] = 0x65;
-		slice_header_addr[5] = 0x11;
-
-		/* toggle the I frame */
-		if ((frame_num / ctrls->gop_size) % 2) {
-			*header_size += 4;
-			*header_offset1 += 4;
-			slice_header_addr[6] = 0x04;
-			slice_header_addr[7] = 0x70;
-
-		} else {
-			*header_size += 2;
-			*header_offset1 += 2;
-			slice_header_addr[6] = 0x09;
-			slice_header_addr[7] = 0xC0;
-		}
-	} else {
-		if (ctrls->entropy_mode == cabac) {
-			*header_size += 1;
-			*header_offset1 += 1;
-			slice_header_addr[7] = 0x80;
-		}
-		/*
-		 * update slice header with P frame order
-		 * frame order is limited to 16 (coded on 4bits only)
-		 */
-		slice_header_addr[5] += ((frame_order & 0x0C) >> 2);
-		slice_header_addr[6] += ((frame_order & 0x03) << 6);
-	}
-
-	dev_dbg(dev,
-		"%s   %s slice header order %d idrPicId %d header size %d\n",
-		pctx->name, __func__, frame_order, idr_pic_id, *header_size);
-	return 0;
-}
-
-static int hva_h264_fill_data_nal(struct hva_ctx *pctx,
-				  unsigned int stuffing_bytes, u8 *addr,
-				  unsigned int stream_size, unsigned int *size)
-{
-	struct device *dev = ctx_to_dev(pctx);
-	static const u8 start[] = { 0x00, 0x00, 0x00, 0x01 };
-
-	dev_dbg(dev, "%s   %s stuffing bytes %d\n", pctx->name, __func__,
-		stuffing_bytes);
-
-	if ((*size + stuffing_bytes + H264_FILLER_DATA_SIZE) > stream_size) {
-		dev_dbg(dev, "%s   %s too many stuffing bytes %d\n",
-			pctx->name, __func__, stuffing_bytes);
-		return 0;
-	}
-
-	/* start code */
-	memcpy(addr + *size, start, sizeof(start));
-	*size += sizeof(start);
-
-	/* nal_unit_type */
-	addr[*size] = NALU_TYPE_FILLER_DATA;
-	*size += 1;
-
-	memset(addr + *size, 0xff, stuffing_bytes);
-	*size += stuffing_bytes;
-
-	addr[*size] = 0x80;
-	*size += 1;
-
-	return 0;
-}
-
-static int hva_h264_fill_sei_nal(struct hva_ctx *pctx,
-				 enum hva_h264_sei_payload_type type,
-				 u8 *addr, u32 *size)
-{
-	struct device *dev = ctx_to_dev(pctx);
-	static const u8 start[] = { 0x00, 0x00, 0x00, 0x01 };
-	struct hva_h264_stereo_video_sei info;
-	u8 offset = 7;
-	u8 msg = 0;
-
-	/* start code */
-	memcpy(addr + *size, start, sizeof(start));
-	*size += sizeof(start);
-
-	/* nal_unit_type */
-	addr[*size] = NALU_TYPE_SEI;
-	*size += 1;
-
-	/* payload type */
-	addr[*size] = type;
-	*size += 1;
-
-	switch (type) {
-	case SEI_STEREO_VIDEO_INFO:
-		memset(&info, 0, sizeof(info));
-
-		/* set to top/bottom frame packing arrangement */
-		info.field_views_flag = 1;
-		info.top_field_is_left_view_flag = 1;
-
-		/* payload size */
-		addr[*size] = 1;
-		*size += 1;
-
-		/* payload */
-		msg = info.field_views_flag << offset--;
-
-		if (info.field_views_flag) {
-			msg |= info.top_field_is_left_view_flag <<
-			       offset--;
-		} else {
-			msg |= info.current_frame_is_left_view_flag <<
-			       offset--;
-			msg |= info.next_frame_is_second_view_flag <<
-			       offset--;
-		}
-		msg |= info.left_view_self_contained_flag << offset--;
-		msg |= info.right_view_self_contained_flag << offset--;
-
-		addr[*size] = msg;
-		*size += 1;
-
-		addr[*size] = 0x80;
-		*size += 1;
-
-		return 0;
-	case SEI_BUFFERING_PERIOD:
-	case SEI_PICTURE_TIMING:
-	case SEI_FRAME_PACKING_ARRANGEMENT:
-	default:
-		dev_err(dev, "%s   sei nal type not supported %d\n",
-			pctx->name, type);
-		return -EINVAL;
-	}
-}
-
-static int hva_h264_prepare_task(struct hva_ctx *pctx,
-				 struct hva_h264_task *task,
-				 struct hva_frame *frame,
-				 struct hva_stream *stream)
-{
-	struct hva_dev *hva = ctx_to_hdev(pctx);
-	struct device *dev = ctx_to_dev(pctx);
-	struct hva_h264_ctx *ctx = (struct hva_h264_ctx *)pctx->priv;
-	struct hva_buffer *seq_info = ctx->seq_info;
-	struct hva_buffer *fwd_ref_frame = ctx->ref_frame;
-	struct hva_buffer *loc_rec_frame = ctx->rec_frame;
-	struct hva_h264_td *td = &task->td;
-	struct hva_controls *ctrls = &pctx->ctrls;
-	struct v4l2_fract *time_per_frame = &pctx->ctrls.time_per_frame;
-	int cavlc =  V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CAVLC;
-	u32 frame_num = pctx->stream_num;
-	u32 addr_esram = hva->esram_addr;
-	enum v4l2_mpeg_video_h264_level level;
-	dma_addr_t paddr = 0;
-	u8 *slice_header_vaddr;
-	u32 frame_width = frame->info.aligned_width;
-	u32 frame_height = frame->info.aligned_height;
-	u32 max_cpb_buffer_size;
-	unsigned int payload = stream->bytesused;
-	u32 max_bitrate;
-
-	/* check width and height parameters */
-	if ((frame_width > max(H264_MAX_SIZE_W, H264_MAX_SIZE_H)) ||
-	    (frame_height > max(H264_MAX_SIZE_W, H264_MAX_SIZE_H))) {
-		dev_err(dev,
-			"%s   width(%d) or height(%d) exceeds limits (%dx%d)\n",
-			pctx->name, frame_width, frame_height,
-			H264_MAX_SIZE_W, H264_MAX_SIZE_H);
-		pctx->frame_errors++;
-		return -EINVAL;
-	}
-
-	level = ctrls->level;
-
-	memset(td, 0, sizeof(struct hva_h264_td));
-
-	td->frame_width = frame_width;
-	td->frame_height = frame_height;
-
-	/* set frame alignment */
-	td->window_width =  frame_width;
-	td->window_height = frame_height;
-	td->window_horizontal_offset = 0;
-	td->window_vertical_offset = 0;
-
-	td->first_picture_in_sequence = (!frame_num) ? 1 : 0;
-
-	/* pic_order_cnt_type hard coded to '2' as only I & P frames */
-	td->pic_order_cnt_type = 2;
-
-	/* useConstrainedIntraFlag set to false for better coding efficiency */
-	td->use_constrained_intra_flag = false;
-	td->brc_type = (ctrls->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
-			? BRC_TYPE_CBR : BRC_TYPE_VBR;
-
-	td->entropy_coding_mode = (ctrls->entropy_mode == cavlc) ? CAVLC :
-				  CABAC;
-
-	td->bit_rate = ctrls->bitrate;
-
-	/* set framerate, framerate = 1 n/ time per frame */
-	if (time_per_frame->numerator >= 536) {
-		/*
-		 * due to a hardware bug, framerate denominator can't exceed
-		 * 536 (BRC overflow). Compute nearest framerate
-		 */
-		td->framerate_den = 1;
-		td->framerate_num = (time_per_frame->denominator +
-				    (time_per_frame->numerator >> 1) - 1) /
-				    time_per_frame->numerator;
-
-		/*
-		 * update bitrate to introduce a correction due to
-		 * the new framerate
-		 * new bitrate = (old bitrate * new framerate) / old framerate
-		 */
-		td->bit_rate /= time_per_frame->numerator;
-		td->bit_rate *= time_per_frame->denominator;
-		td->bit_rate /= td->framerate_num;
-	} else {
-		td->framerate_den = time_per_frame->numerator;
-		td->framerate_num = time_per_frame->denominator;
-	}
-
-	/* compute maximum bitrate depending on profile */
-	if (ctrls->profile >= V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)
-		max_bitrate = h264_infos_list[level].max_bitrate *
-			      H264_FACTOR_HIGH;
-	else
-		max_bitrate = h264_infos_list[level].max_bitrate *
-			      H264_FACTOR_BASELINE;
-
-	/* check if bitrate doesn't exceed max size */
-	if (td->bit_rate > max_bitrate) {
-		dev_dbg(dev,
-			"%s   bitrate (%d) larger than level and profile allow, clip to %d\n",
-			pctx->name, td->bit_rate, max_bitrate);
-		td->bit_rate = max_bitrate;
-	}
-
-	/* convert cpb_buffer_size in bits */
-	td->cpb_buffer_size = ctrls->cpb_size * 8000;
-
-	/* compute maximum cpb buffer size depending on profile */
-	if (ctrls->profile >= V4L2_MPEG_VIDEO_H264_PROFILE_HIGH)
-		max_cpb_buffer_size =
-		    h264_infos_list[level].max_cpb_size * H264_FACTOR_HIGH;
-	else
-		max_cpb_buffer_size =
-		    h264_infos_list[level].max_cpb_size * H264_FACTOR_BASELINE;
-
-	/* check if cpb buffer size doesn't exceed max size */
-	if (td->cpb_buffer_size > max_cpb_buffer_size) {
-		dev_dbg(dev,
-			"%s   cpb size larger than level %d allows, clip to %d\n",
-			pctx->name, td->cpb_buffer_size, max_cpb_buffer_size);
-		td->cpb_buffer_size = max_cpb_buffer_size;
-	}
-
-	/* enable skipping in the Bitrate Controller */
-	td->brc_no_skip = 0;
-
-	/* initial delay */
-	if ((ctrls->bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) &&
-	    td->bit_rate)
-		td->delay = 1000 * (td->cpb_buffer_size / td->bit_rate);
-	else
-		td->delay = 0;
-
-	switch (frame->info.pixelformat) {
-	case V4L2_PIX_FMT_NV12:
-		td->sampling_mode = SAMPLING_MODE_NV12;
-		break;
-	case V4L2_PIX_FMT_NV21:
-		td->sampling_mode = SAMPLING_MODE_NV21;
-		break;
-	default:
-		dev_err(dev, "%s   invalid source pixel format\n",
-			pctx->name);
-		pctx->frame_errors++;
-		return -EINVAL;
-	}
-
-	/*
-	 * fill matrix color converter (RGB to YUV)
-	 * Y = 0,299 R + 0,587 G + 0,114 B
-	 * Cb = -0,1687 R -0,3313 G + 0,5 B + 128
-	 * Cr = 0,5 R - 0,4187 G - 0,0813 B + 128
-	 */
-	td->rgb2_yuv_y_coeff = 0x12031008;
-	td->rgb2_yuv_u_coeff = 0x800EF7FB;
-	td->rgb2_yuv_v_coeff = 0x80FEF40E;
-
-	/* enable/disable transform mode */
-	td->transform_mode = ctrls->dct8x8;
-
-	/* encoder complexity fix to 2, ENCODE_I_16x16_I_NxN_P_16x16_P_WxH */
-	td->encoder_complexity = 2;
-
-	/* quant fix to 28, default VBR value */
-	td->quant = 28;
-
-	if (td->framerate_den == 0) {
-		dev_err(dev, "%s   invalid framerate\n", pctx->name);
-		pctx->frame_errors++;
-		return -EINVAL;
-	}
-
-	/* if automatic framerate, deactivate bitrate controller */
-	if (td->framerate_num == 0)
-		td->brc_type = 0;
-
-	/* compliancy fix to true */
-	td->strict_hrd_compliancy = 1;
-
-	/* set minimum & maximum quantizers */
-	td->qp_min = clamp_val(ctrls->qpmin, 0, 51);
-	td->qp_max = clamp_val(ctrls->qpmax, 0, 51);
-
-	td->addr_source_buffer = frame->paddr;
-	td->addr_fwd_ref_buffer = fwd_ref_frame->paddr;
-	td->addr_rec_buffer = loc_rec_frame->paddr;
-
-	td->addr_output_bitstream_end = (u32)stream->paddr + stream->size;
-
-	td->addr_output_bitstream_start = (u32)stream->paddr;
-	td->bitstream_offset = (((u32)stream->paddr & 0xF) << 3) &
-			       BITSTREAM_OFFSET_MASK;
-
-	td->addr_param_out = (u32)ctx->task->paddr +
-			     offsetof(struct hva_h264_task, po);
-
-	/* swap spatial and temporal context */
-	if (frame_num % 2) {
-		paddr = seq_info->paddr;
-		td->addr_spatial_context =  ALIGN(paddr, 0x100);
-		paddr = seq_info->paddr + DATA_SIZE(frame_width,
-							frame_height);
-		td->addr_temporal_context = ALIGN(paddr, 0x100);
-	} else {
-		paddr = seq_info->paddr;
-		td->addr_temporal_context = ALIGN(paddr, 0x100);
-		paddr = seq_info->paddr + DATA_SIZE(frame_width,
-							frame_height);
-		td->addr_spatial_context =  ALIGN(paddr, 0x100);
-	}
-
-	paddr = seq_info->paddr + 2 * DATA_SIZE(frame_width, frame_height);
-
-	td->addr_brc_in_out_parameter =  ALIGN(paddr, 0x100);
-
-	paddr = td->addr_brc_in_out_parameter + BRC_DATA_SIZE;
-	td->addr_slice_header =  ALIGN(paddr, 0x100);
-	td->addr_external_sw =  ALIGN(addr_esram, 0x100);
-
-	addr_esram += SEARCH_WINDOW_BUFFER_MAX_SIZE(frame_width);
-	td->addr_local_rec_buffer = ALIGN(addr_esram, 0x100);
-
-	addr_esram += LOCAL_RECONSTRUCTED_BUFFER_MAX_SIZE(frame_width);
-	td->addr_lctx = ALIGN(addr_esram, 0x100);
-
-	addr_esram += CTX_MB_BUFFER_MAX_SIZE(max(frame_width, frame_height));
-	td->addr_cabac_context_buffer = ALIGN(addr_esram, 0x100);
-
-	if (!(frame_num % ctrls->gop_size)) {
-		td->picture_coding_type = PICTURE_CODING_TYPE_I;
-		stream->vbuf.flags |= V4L2_BUF_FLAG_KEYFRAME;
-	} else {
-		td->picture_coding_type = PICTURE_CODING_TYPE_P;
-		stream->vbuf.flags &= ~V4L2_BUF_FLAG_KEYFRAME;
-	}
-
-	/* fill the slice header part */
-	slice_header_vaddr = seq_info->vaddr + (td->addr_slice_header -
-			     seq_info->paddr);
-
-	hva_h264_fill_slice_header(pctx, slice_header_vaddr, ctrls, frame_num,
-				   &td->slice_header_size_in_bits,
-				   &td->slice_header_offset0,
-				   &td->slice_header_offset1,
-				   &td->slice_header_offset2);
-
-	td->chroma_qp_index_offset = 2;
-	td->slice_synchro_enable = 0;
-	td->max_slice_number = 1;
-
-	/*
-	 * check the sps/pps header size for key frame only
-	 * sps/pps header was previously fill by libv4l
-	 * during qbuf of stream buffer
-	 */
-	if ((stream->vbuf.flags == V4L2_BUF_FLAG_KEYFRAME) &&
-	    (payload > MAX_SPS_PPS_SIZE)) {
-		dev_err(dev, "%s   invalid sps/pps size %d\n", pctx->name,
-			payload);
-		pctx->frame_errors++;
-		return -EINVAL;
-	}
-
-	if (stream->vbuf.flags != V4L2_BUF_FLAG_KEYFRAME)
-		payload = 0;
-
-	/* add SEI nal (video stereo info) */
-	if (ctrls->sei_fp && hva_h264_fill_sei_nal(pctx, SEI_STEREO_VIDEO_INFO,
-						   (u8 *)stream->vaddr,
-						   &payload)) {
-		dev_err(dev, "%s   fail to get SEI nal\n", pctx->name);
-		pctx->frame_errors++;
-		return -EINVAL;
-	}
-
-	/* fill size of non-VCL NAL units (SPS, PPS, filler and SEI) */
-	td->non_vcl_nalu_size = payload * 8;
-
-	/* compute bitstream offset & new start address of bitstream */
-	td->addr_output_bitstream_start += ((payload >> 4) << 4);
-	td->bitstream_offset += (payload - ((payload >> 4) << 4)) * 8;
-
-	stream->bytesused = payload;
-
-	return 0;
-}
-
-static unsigned int hva_h264_get_stream_size(struct hva_h264_task *task)
-{
-	struct hva_h264_po *po = &task->po;
-
-	return po->bitstream_size;
-}
-
-static u32 hva_h264_get_stuffing_bytes(struct hva_h264_task *task)
-{
-	struct hva_h264_po *po = &task->po;
-
-	return po->stuffing_bits >> 3;
-}
-
-static int hva_h264_open(struct hva_ctx *pctx)
-{
-	struct device *dev = ctx_to_dev(pctx);
-	struct hva_h264_ctx *ctx;
-	struct hva_dev *hva = ctx_to_hdev(pctx);
-	u32 frame_width = pctx->frameinfo.aligned_width;
-	u32 frame_height = pctx->frameinfo.aligned_height;
-	u32 size;
-	int ret;
-
-	/* check esram size necessary to encode a frame */
-	size = SEARCH_WINDOW_BUFFER_MAX_SIZE(frame_width) +
-	       LOCAL_RECONSTRUCTED_BUFFER_MAX_SIZE(frame_width) +
-	       CTX_MB_BUFFER_MAX_SIZE(max(frame_width, frame_height)) +
-	       CABAC_CONTEXT_BUFFER_MAX_SIZE(frame_width);
-
-	if (hva->esram_size < size) {
-		dev_err(dev, "%s   not enough esram (max:%d request:%d)\n",
-			pctx->name, hva->esram_size, size);
-		ret = -EINVAL;
-		goto err;
-	}
-
-	/* allocate context for codec */
-	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
-	if (!ctx) {
-		ret = -ENOMEM;
-		goto err;
-	}
-
-	/* allocate sequence info buffer */
-	ret = hva_mem_alloc(pctx,
-			    2 * DATA_SIZE(frame_width, frame_height) +
-			    SLICE_HEADER_SIZE +
-			    BRC_DATA_SIZE,
-			    "hva sequence info",
-			    &ctx->seq_info);
-	if (ret) {
-		dev_err(dev,
-			"%s   failed to allocate sequence info buffer\n",
-			pctx->name);
-		goto err_ctx;
-	}
-
-	/* allocate reference frame buffer */
-	ret = hva_mem_alloc(pctx,
-			    frame_width * frame_height * 3 / 2,
-			    "hva reference frame",
-			    &ctx->ref_frame);
-	if (ret) {
-		dev_err(dev, "%s   failed to allocate reference frame buffer\n",
-			pctx->name);
-		goto err_seq_info;
-	}
-
-	/* allocate reconstructed frame buffer */
-	ret = hva_mem_alloc(pctx,
-			    frame_width * frame_height * 3 / 2,
-			    "hva reconstructed frame",
-			    &ctx->rec_frame);
-	if (ret) {
-		dev_err(dev,
-			"%s   failed to allocate reconstructed frame buffer\n",
-			pctx->name);
-		goto err_ref_frame;
-	}
-
-	/* allocate task descriptor */
-	ret = hva_mem_alloc(pctx,
-			    sizeof(struct hva_h264_task),
-			    "hva task descriptor",
-			    &ctx->task);
-	if (ret) {
-		dev_err(dev,
-			"%s   failed to allocate task descriptor\n",
-			pctx->name);
-		goto err_rec_frame;
-	}
-
-	pctx->priv = (void *)ctx;
-
-	return 0;
-
-err_rec_frame:
-	hva_mem_free(pctx, ctx->rec_frame);
-err_ref_frame:
-	hva_mem_free(pctx, ctx->ref_frame);
-err_seq_info:
-	hva_mem_free(pctx, ctx->seq_info);
-err_ctx:
-	devm_kfree(dev, ctx);
-err:
-	pctx->sys_errors++;
-	return ret;
-}
-
-static int hva_h264_close(struct hva_ctx *pctx)
-{
-	struct hva_h264_ctx *ctx = (struct hva_h264_ctx *)pctx->priv;
-	struct device *dev = ctx_to_dev(pctx);
-
-	if (ctx->seq_info)
-		hva_mem_free(pctx, ctx->seq_info);
-
-	if (ctx->ref_frame)
-		hva_mem_free(pctx, ctx->ref_frame);
-
-	if (ctx->rec_frame)
-		hva_mem_free(pctx, ctx->rec_frame);
-
-	if (ctx->task)
-		hva_mem_free(pctx, ctx->task);
-
-	devm_kfree(dev, ctx);
-
-	return 0;
-}
-
-static int hva_h264_encode(struct hva_ctx *pctx, struct hva_frame *frame,
-			   struct hva_stream *stream)
-{
-	struct hva_h264_ctx *ctx = (struct hva_h264_ctx *)pctx->priv;
-	struct hva_h264_task *task = (struct hva_h264_task *)ctx->task->vaddr;
-	u32 stuffing_bytes = 0;
-	int ret = 0;
-
-	ret = hva_h264_prepare_task(pctx, task, frame, stream);
-	if (ret)
-		goto err;
-
-	ret = hva_hw_execute_task(pctx, H264_ENC, ctx->task);
-	if (ret)
-		goto err;
-
-	pctx->stream_num++;
-	stream->bytesused += hva_h264_get_stream_size(task);
-
-	stuffing_bytes = hva_h264_get_stuffing_bytes(task);
-
-	if (stuffing_bytes)
-		hva_h264_fill_data_nal(pctx, stuffing_bytes,
-				       (u8 *)stream->vaddr,
-				       stream->size,
-				       &stream->bytesused);
-
-	/* switch reference & reconstructed frame */
-	swap(ctx->ref_frame, ctx->rec_frame);
-
-	return 0;
-err:
-	stream->bytesused = 0;
-	return ret;
-}
-
-const struct hva_enc nv12h264enc = {
-	.name = "H264(NV12)",
-	.pixelformat = V4L2_PIX_FMT_NV12,
-	.streamformat = V4L2_PIX_FMT_H264,
-	.max_width = H264_MAX_SIZE_W,
-	.max_height = H264_MAX_SIZE_H,
-	.open = hva_h264_open,
-	.close = hva_h264_close,
-	.encode = hva_h264_encode,
-};
-
-const struct hva_enc nv21h264enc = {
-	.name = "H264(NV21)",
-	.pixelformat = V4L2_PIX_FMT_NV21,
-	.streamformat = V4L2_PIX_FMT_H264,
-	.max_width = H264_MAX_SIZE_W,
-	.max_height = H264_MAX_SIZE_H,
-	.open = hva_h264_open,
-	.close = hva_h264_close,
-	.encode = hva_h264_encode,
-};