1 files changed, 0 insertions, 367 deletions

diff --git a/drivers/media/platform/vicodec/codec-v4l2-fwht.c b/drivers/media/platform/vicodec/codec-v4l2-fwht.c
deleted file mode 100644
index b6e39fbd8ad5..000000000000
--- a/drivers/media/platform/vicodec/codec-v4l2-fwht.c
+++ /dev/null
@@ -1,367 +0,0 @@
-// SPDX-License-Identifier: LGPL-2.1
-/*
- * A V4L2 frontend for the FWHT codec
- *
- * Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
- */
-
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/videodev2.h>
-#include "codec-v4l2-fwht.h"
-
-static const struct v4l2_fwht_pixfmt_info v4l2_fwht_pixfmts[] = {
-	{ V4L2_PIX_FMT_YUV420,  1, 3, 2, 1, 1, 2, 2, 3, 3, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_YVU420,  1, 3, 2, 1, 1, 2, 2, 3, 3, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_YUV422P, 1, 2, 1, 1, 1, 2, 1, 3, 3, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_NV12,    1, 3, 2, 1, 2, 2, 2, 3, 2, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_NV21,    1, 3, 2, 1, 2, 2, 2, 3, 2, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_NV16,    1, 2, 1, 1, 2, 2, 1, 3, 2, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_NV61,    1, 2, 1, 1, 2, 2, 1, 3, 2, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_NV24,    1, 3, 1, 1, 2, 1, 1, 3, 2, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_NV42,    1, 3, 1, 1, 2, 1, 1, 3, 2, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_YUYV,    2, 2, 1, 2, 4, 2, 1, 3, 1, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_YVYU,    2, 2, 1, 2, 4, 2, 1, 3, 1, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_UYVY,    2, 2, 1, 2, 4, 2, 1, 3, 1, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_VYUY,    2, 2, 1, 2, 4, 2, 1, 3, 1, FWHT_FL_PIXENC_YUV},
-	{ V4L2_PIX_FMT_BGR24,   3, 3, 1, 3, 3, 1, 1, 3, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_RGB24,   3, 3, 1, 3, 3, 1, 1, 3, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_HSV24,   3, 3, 1, 3, 3, 1, 1, 3, 1, FWHT_FL_PIXENC_HSV},
-	{ V4L2_PIX_FMT_BGR32,   4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_XBGR32,  4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_ABGR32,  4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_RGB32,   4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_XRGB32,  4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_ARGB32,  4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_BGRX32,  4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_BGRA32,  4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_RGBX32,  4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_RGBA32,  4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_RGB},
-	{ V4L2_PIX_FMT_HSV32,   4, 4, 1, 4, 4, 1, 1, 4, 1, FWHT_FL_PIXENC_HSV},
-	{ V4L2_PIX_FMT_GREY,    1, 1, 1, 1, 0, 1, 1, 1, 1, FWHT_FL_PIXENC_RGB},
-};
-
-bool v4l2_fwht_validate_fmt(const struct v4l2_fwht_pixfmt_info *info,
-			    u32 width_div, u32 height_div, u32 components_num,
-			    u32 pixenc)
-{
-	if (info->width_div == width_div &&
-	    info->height_div == height_div &&
-	    (!pixenc || info->pixenc == pixenc) &&
-	    info->components_num == components_num)
-		return true;
-	return false;
-}
-
-const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_nth_fmt(u32 width_div,
-							  u32 height_div,
-							  u32 components_num,
-							  u32 pixenc,
-							  unsigned int start_idx)
-{
-	unsigned int i;
-
-	for (i = 0; i < ARRAY_SIZE(v4l2_fwht_pixfmts); i++) {
-		bool is_valid = v4l2_fwht_validate_fmt(&v4l2_fwht_pixfmts[i],
-						       width_div, height_div,
-						       components_num, pixenc);
-		if (is_valid) {
-			if (start_idx == 0)
-				return v4l2_fwht_pixfmts + i;
-			start_idx--;
-		}
-	}
-	return NULL;
-}
-
-const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat)
-{
-	unsigned int i;
-
-	for (i = 0; i < ARRAY_SIZE(v4l2_fwht_pixfmts); i++)
-		if (v4l2_fwht_pixfmts[i].id == pixelformat)
-			return v4l2_fwht_pixfmts + i;
-	return NULL;
-}
-
-const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx)
-{
-	if (idx >= ARRAY_SIZE(v4l2_fwht_pixfmts))
-		return NULL;
-	return v4l2_fwht_pixfmts + idx;
-}
-
-static int prepare_raw_frame(struct fwht_raw_frame *rf,
-			 const struct v4l2_fwht_pixfmt_info *info, u8 *buf,
-			 unsigned int size)
-{
-	rf->luma = buf;
-	rf->width_div = info->width_div;
-	rf->height_div = info->height_div;
-	rf->luma_alpha_step = info->luma_alpha_step;
-	rf->chroma_step = info->chroma_step;
-	rf->alpha = NULL;
-	rf->components_num = info->components_num;
-
-	/*
-	 * The buffer is NULL if it is the reference
-	 * frame of an I-frame in the stateless decoder
-	 */
-	if (!buf) {
-		rf->luma = NULL;
-		rf->cb = NULL;
-		rf->cr = NULL;
-		rf->alpha = NULL;
-		return 0;
-	}
-	switch (info->id) {
-	case V4L2_PIX_FMT_GREY:
-		rf->cb = NULL;
-		rf->cr = NULL;
-		break;
-	case V4L2_PIX_FMT_YUV420:
-		rf->cb = rf->luma + size;
-		rf->cr = rf->cb + size / 4;
-		break;
-	case V4L2_PIX_FMT_YVU420:
-		rf->cr = rf->luma + size;
-		rf->cb = rf->cr + size / 4;
-		break;
-	case V4L2_PIX_FMT_YUV422P:
-		rf->cb = rf->luma + size;
-		rf->cr = rf->cb + size / 2;
-		break;
-	case V4L2_PIX_FMT_NV12:
-	case V4L2_PIX_FMT_NV16:
-	case V4L2_PIX_FMT_NV24:
-		rf->cb = rf->luma + size;
-		rf->cr = rf->cb + 1;
-		break;
-	case V4L2_PIX_FMT_NV21:
-	case V4L2_PIX_FMT_NV61:
-	case V4L2_PIX_FMT_NV42:
-		rf->cr = rf->luma + size;
-		rf->cb = rf->cr + 1;
-		break;
-	case V4L2_PIX_FMT_YUYV:
-		rf->cb = rf->luma + 1;
-		rf->cr = rf->cb + 2;
-		break;
-	case V4L2_PIX_FMT_YVYU:
-		rf->cr = rf->luma + 1;
-		rf->cb = rf->cr + 2;
-		break;
-	case V4L2_PIX_FMT_UYVY:
-		rf->cb = rf->luma;
-		rf->cr = rf->cb + 2;
-		rf->luma++;
-		break;
-	case V4L2_PIX_FMT_VYUY:
-		rf->cr = rf->luma;
-		rf->cb = rf->cr + 2;
-		rf->luma++;
-		break;
-	case V4L2_PIX_FMT_RGB24:
-	case V4L2_PIX_FMT_HSV24:
-		rf->cr = rf->luma;
-		rf->cb = rf->cr + 2;
-		rf->luma++;
-		break;
-	case V4L2_PIX_FMT_BGR24:
-		rf->cb = rf->luma;
-		rf->cr = rf->cb + 2;
-		rf->luma++;
-		break;
-	case V4L2_PIX_FMT_RGB32:
-	case V4L2_PIX_FMT_XRGB32:
-	case V4L2_PIX_FMT_HSV32:
-	case V4L2_PIX_FMT_ARGB32:
-		rf->alpha = rf->luma;
-		rf->cr = rf->luma + 1;
-		rf->cb = rf->cr + 2;
-		rf->luma += 2;
-		break;
-	case V4L2_PIX_FMT_BGR32:
-	case V4L2_PIX_FMT_XBGR32:
-	case V4L2_PIX_FMT_ABGR32:
-		rf->cb = rf->luma;
-		rf->cr = rf->cb + 2;
-		rf->luma++;
-		rf->alpha = rf->cr + 1;
-		break;
-	case V4L2_PIX_FMT_BGRX32:
-	case V4L2_PIX_FMT_BGRA32:
-		rf->alpha = rf->luma;
-		rf->cb = rf->luma + 1;
-		rf->cr = rf->cb + 2;
-		rf->luma += 2;
-		break;
-	case V4L2_PIX_FMT_RGBX32:
-	case V4L2_PIX_FMT_RGBA32:
-		rf->alpha = rf->luma + 3;
-		rf->cr = rf->luma;
-		rf->cb = rf->cr + 2;
-		rf->luma++;
-		break;
-	default:
-		return -EINVAL;
-	}
-	return 0;
-}
-
-int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out)
-{
-	unsigned int size = state->stride * state->coded_height;
-	unsigned int chroma_stride = state->stride;
-	const struct v4l2_fwht_pixfmt_info *info = state->info;
-	struct fwht_cframe_hdr *p_hdr;
-	struct fwht_cframe cf;
-	struct fwht_raw_frame rf;
-	u32 encoding;
-	u32 flags = 0;
-
-	if (!info)
-		return -EINVAL;
-
-	if (prepare_raw_frame(&rf, info, p_in, size))
-		return -EINVAL;
-
-	if (info->planes_num == 3)
-		chroma_stride /= 2;
-
-	if (info->id == V4L2_PIX_FMT_NV24 ||
-	    info->id == V4L2_PIX_FMT_NV42)
-		chroma_stride *= 2;
-
-	cf.i_frame_qp = state->i_frame_qp;
-	cf.p_frame_qp = state->p_frame_qp;
-	cf.rlc_data = (__be16 *)(p_out + sizeof(*p_hdr));
-
-	encoding = fwht_encode_frame(&rf, &state->ref_frame, &cf,
-				     !state->gop_cnt,
-				     state->gop_cnt == state->gop_size - 1,
-				     state->visible_width,
-				     state->visible_height,
-				     state->stride, chroma_stride);
-	if (!(encoding & FWHT_FRAME_PCODED))
-		state->gop_cnt = 0;
-	if (++state->gop_cnt >= state->gop_size)
-		state->gop_cnt = 0;
-
-	p_hdr = (struct fwht_cframe_hdr *)p_out;
-	p_hdr->magic1 = FWHT_MAGIC1;
-	p_hdr->magic2 = FWHT_MAGIC2;
-	p_hdr->version = htonl(FWHT_VERSION);
-	p_hdr->width = htonl(state->visible_width);
-	p_hdr->height = htonl(state->visible_height);
-	flags |= (info->components_num - 1) << FWHT_FL_COMPONENTS_NUM_OFFSET;
-	flags |= info->pixenc;
-	if (encoding & FWHT_LUMA_UNENCODED)
-		flags |= FWHT_FL_LUMA_IS_UNCOMPRESSED;
-	if (encoding & FWHT_CB_UNENCODED)
-		flags |= FWHT_FL_CB_IS_UNCOMPRESSED;
-	if (encoding & FWHT_CR_UNENCODED)
-		flags |= FWHT_FL_CR_IS_UNCOMPRESSED;
-	if (encoding & FWHT_ALPHA_UNENCODED)
-		flags |= FWHT_FL_ALPHA_IS_UNCOMPRESSED;
-	if (!(encoding & FWHT_FRAME_PCODED))
-		flags |= FWHT_FL_I_FRAME;
-	if (rf.height_div == 1)
-		flags |= FWHT_FL_CHROMA_FULL_HEIGHT;
-	if (rf.width_div == 1)
-		flags |= FWHT_FL_CHROMA_FULL_WIDTH;
-	p_hdr->flags = htonl(flags);
-	p_hdr->colorspace = htonl(state->colorspace);
-	p_hdr->xfer_func = htonl(state->xfer_func);
-	p_hdr->ycbcr_enc = htonl(state->ycbcr_enc);
-	p_hdr->quantization = htonl(state->quantization);
-	p_hdr->size = htonl(cf.size);
-	return cf.size + sizeof(*p_hdr);
-}
-
-int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out)
-{
-	u32 flags;
-	struct fwht_cframe cf;
-	unsigned int components_num = 3;
-	unsigned int version;
-	const struct v4l2_fwht_pixfmt_info *info;
-	unsigned int hdr_width_div, hdr_height_div;
-	struct fwht_raw_frame dst_rf;
-	unsigned int dst_chroma_stride = state->stride;
-	unsigned int ref_chroma_stride = state->ref_stride;
-	unsigned int dst_size = state->stride * state->coded_height;
-	unsigned int ref_size;
-
-	if (!state->info)
-		return -EINVAL;
-
-	info = state->info;
-
-	version = ntohl(state->header.version);
-	if (!version || version > FWHT_VERSION) {
-		pr_err("version %d is not supported, current version is %d\n",
-		       version, FWHT_VERSION);
-		return -EINVAL;
-	}
-
-	if (state->header.magic1 != FWHT_MAGIC1 ||
-	    state->header.magic2 != FWHT_MAGIC2)
-		return -EINVAL;
-
-	/* TODO: support resolution changes */
-	if (ntohl(state->header.width)  != state->visible_width ||
-	    ntohl(state->header.height) != state->visible_height)
-		return -EINVAL;
-
-	flags = ntohl(state->header.flags);
-
-	if (version >= 2) {
-		if ((flags & FWHT_FL_PIXENC_MSK) != info->pixenc)
-			return -EINVAL;
-		components_num = 1 + ((flags & FWHT_FL_COMPONENTS_NUM_MSK) >>
-				FWHT_FL_COMPONENTS_NUM_OFFSET);
-	}
-
-	if (components_num != info->components_num)
-		return -EINVAL;
-
-	state->colorspace = ntohl(state->header.colorspace);
-	state->xfer_func = ntohl(state->header.xfer_func);
-	state->ycbcr_enc = ntohl(state->header.ycbcr_enc);
-	state->quantization = ntohl(state->header.quantization);
-	cf.rlc_data = (__be16 *)p_in;
-	cf.size = ntohl(state->header.size);
-
-	hdr_width_div = (flags & FWHT_FL_CHROMA_FULL_WIDTH) ? 1 : 2;
-	hdr_height_div = (flags & FWHT_FL_CHROMA_FULL_HEIGHT) ? 1 : 2;
-	if (hdr_width_div != info->width_div ||
-	    hdr_height_div != info->height_div)
-		return -EINVAL;
-
-	if (prepare_raw_frame(&dst_rf, info, p_out, dst_size))
-		return -EINVAL;
-	if (info->planes_num == 3) {
-		dst_chroma_stride /= 2;
-		ref_chroma_stride /= 2;
-	}
-	if (info->id == V4L2_PIX_FMT_NV24 ||
-	    info->id == V4L2_PIX_FMT_NV42) {
-		dst_chroma_stride *= 2;
-		ref_chroma_stride *= 2;
-	}
-
-
-	ref_size = state->ref_stride * state->coded_height;
-
-	if (prepare_raw_frame(&state->ref_frame, info, state->ref_frame.buf,
-			      ref_size))
-		return -EINVAL;
-
-	if (!fwht_decode_frame(&cf, flags, components_num,
-			state->visible_width, state->visible_height,
-			&state->ref_frame, state->ref_stride, ref_chroma_stride,
-			&dst_rf, state->stride, dst_chroma_stride))
-		return -EINVAL;
-	return 0;
-}