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OpenCloudOS-Kernel/drivers/media/video/s5p-mfc/s5p_mfc_opr.c

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/*
* drivers/media/video/samsung/mfc5/s5p_mfc_opr.c
*
* Samsung MFC (Multi Function Codec - FIMV) driver
* This file contains hw related functions.
*
* Kamil Debski, Copyright (c) 2011 Samsung Electronics
* http://www.samsung.com/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include "regs-mfc.h"
#include "s5p_mfc_cmd.h"
#include "s5p_mfc_common.h"
#include "s5p_mfc_ctrl.h"
#include "s5p_mfc_debug.h"
#include "s5p_mfc_intr.h"
#include "s5p_mfc_opr.h"
#include "s5p_mfc_pm.h"
#include "s5p_mfc_shm.h"
#include <asm/cacheflush.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
#include <linux/firmware.h>
#include <linux/io.h>
#include <linux/jiffies.h>
#include <linux/mm.h>
#include <linux/sched.h>
#define OFFSETA(x) (((x) - dev->bank1) >> MFC_OFFSET_SHIFT)
#define OFFSETB(x) (((x) - dev->bank2) >> MFC_OFFSET_SHIFT)
/* Allocate temporary buffers for decoding */
int s5p_mfc_alloc_dec_temp_buffers(struct s5p_mfc_ctx *ctx)
{
void *desc_virt;
struct s5p_mfc_dev *dev = ctx->dev;
ctx->desc_buf = vb2_dma_contig_memops.alloc(
dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], DESC_BUF_SIZE);
if (IS_ERR_VALUE((int)ctx->desc_buf)) {
ctx->desc_buf = NULL;
mfc_err("Allocating DESC buffer failed\n");
return -ENOMEM;
}
ctx->desc_phys = s5p_mfc_mem_cookie(
dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->desc_buf);
BUG_ON(ctx->desc_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
desc_virt = vb2_dma_contig_memops.vaddr(ctx->desc_buf);
if (desc_virt == NULL) {
vb2_dma_contig_memops.put(ctx->desc_buf);
ctx->desc_phys = 0;
ctx->desc_buf = NULL;
mfc_err("Remapping DESC buffer failed\n");
return -ENOMEM;
}
memset(desc_virt, 0, DESC_BUF_SIZE);
wmb();
return 0;
}
/* Release temporary buffers for decoding */
void s5p_mfc_release_dec_desc_buffer(struct s5p_mfc_ctx *ctx)
{
if (ctx->desc_phys) {
vb2_dma_contig_memops.put(ctx->desc_buf);
ctx->desc_phys = 0;
ctx->desc_buf = NULL;
}
}
/* Allocate codec buffers */
int s5p_mfc_alloc_codec_buffers(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
unsigned int enc_ref_y_size = 0;
unsigned int enc_ref_c_size = 0;
unsigned int guard_width, guard_height;
if (ctx->type == MFCINST_DECODER) {
mfc_debug(2, "Luma size:%d Chroma size:%d MV size:%d\n",
ctx->luma_size, ctx->chroma_size, ctx->mv_size);
mfc_debug(2, "Totals bufs: %d\n", ctx->total_dpb_count);
} else if (ctx->type == MFCINST_ENCODER) {
enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
if (ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC) {
enc_ref_c_size = ALIGN(ctx->img_width,
S5P_FIMV_NV12MT_HALIGN)
* ALIGN(ctx->img_height >> 1,
S5P_FIMV_NV12MT_VALIGN);
enc_ref_c_size = ALIGN(enc_ref_c_size,
S5P_FIMV_NV12MT_SALIGN);
} else {
guard_width = ALIGN(ctx->img_width + 16,
S5P_FIMV_NV12MT_HALIGN);
guard_height = ALIGN((ctx->img_height >> 1) + 4,
S5P_FIMV_NV12MT_VALIGN);
enc_ref_c_size = ALIGN(guard_width * guard_height,
S5P_FIMV_NV12MT_SALIGN);
}
mfc_debug(2, "recon luma size: %d chroma size: %d\n",
enc_ref_y_size, enc_ref_c_size);
} else {
return -EINVAL;
}
/* Codecs have different memory requirements */
switch (ctx->codec_mode) {
case S5P_FIMV_CODEC_H264_DEC:
ctx->bank1_size =
ALIGN(S5P_FIMV_DEC_NB_IP_SIZE +
S5P_FIMV_DEC_VERT_NB_MV_SIZE,
S5P_FIMV_DEC_BUF_ALIGN);
ctx->bank2_size = ctx->total_dpb_count * ctx->mv_size;
break;
case S5P_FIMV_CODEC_MPEG4_DEC:
ctx->bank1_size =
ALIGN(S5P_FIMV_DEC_NB_DCAC_SIZE +
S5P_FIMV_DEC_UPNB_MV_SIZE +
S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
S5P_FIMV_DEC_STX_PARSER_SIZE +
S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE,
S5P_FIMV_DEC_BUF_ALIGN);
ctx->bank2_size = 0;
break;
case S5P_FIMV_CODEC_VC1RCV_DEC:
case S5P_FIMV_CODEC_VC1_DEC:
ctx->bank1_size =
ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
S5P_FIMV_DEC_UPNB_MV_SIZE +
S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
S5P_FIMV_DEC_NB_DCAC_SIZE +
3 * S5P_FIMV_DEC_VC1_BITPLANE_SIZE,
S5P_FIMV_DEC_BUF_ALIGN);
ctx->bank2_size = 0;
break;
case S5P_FIMV_CODEC_MPEG2_DEC:
ctx->bank1_size = 0;
ctx->bank2_size = 0;
break;
case S5P_FIMV_CODEC_H263_DEC:
ctx->bank1_size =
ALIGN(S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE +
S5P_FIMV_DEC_UPNB_MV_SIZE +
S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE +
S5P_FIMV_DEC_NB_DCAC_SIZE,
S5P_FIMV_DEC_BUF_ALIGN);
ctx->bank2_size = 0;
break;
case S5P_FIMV_CODEC_H264_ENC:
ctx->bank1_size = (enc_ref_y_size * 2) +
S5P_FIMV_ENC_UPMV_SIZE +
S5P_FIMV_ENC_COLFLG_SIZE +
S5P_FIMV_ENC_INTRAMD_SIZE +
S5P_FIMV_ENC_NBORINFO_SIZE;
ctx->bank2_size = (enc_ref_y_size * 2) +
(enc_ref_c_size * 4) +
S5P_FIMV_ENC_INTRAPRED_SIZE;
break;
case S5P_FIMV_CODEC_MPEG4_ENC:
ctx->bank1_size = (enc_ref_y_size * 2) +
S5P_FIMV_ENC_UPMV_SIZE +
S5P_FIMV_ENC_COLFLG_SIZE +
S5P_FIMV_ENC_ACDCCOEF_SIZE;
ctx->bank2_size = (enc_ref_y_size * 2) +
(enc_ref_c_size * 4);
break;
case S5P_FIMV_CODEC_H263_ENC:
ctx->bank1_size = (enc_ref_y_size * 2) +
S5P_FIMV_ENC_UPMV_SIZE +
S5P_FIMV_ENC_ACDCCOEF_SIZE;
ctx->bank2_size = (enc_ref_y_size * 2) +
(enc_ref_c_size * 4);
break;
default:
break;
}
/* Allocate only if memory from bank 1 is necessary */
if (ctx->bank1_size > 0) {
ctx->bank1_buf = vb2_dma_contig_memops.alloc(
dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_size);
if (IS_ERR(ctx->bank1_buf)) {
ctx->bank1_buf = NULL;
printk(KERN_ERR
"Buf alloc for decoding failed (port A)\n");
return -ENOMEM;
}
ctx->bank1_phys = s5p_mfc_mem_cookie(
dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->bank1_buf);
BUG_ON(ctx->bank1_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
}
/* Allocate only if memory from bank 2 is necessary */
if (ctx->bank2_size > 0) {
ctx->bank2_buf = vb2_dma_contig_memops.alloc(
dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], ctx->bank2_size);
if (IS_ERR(ctx->bank2_buf)) {
ctx->bank2_buf = NULL;
mfc_err("Buf alloc for decoding failed (port B)\n");
return -ENOMEM;
}
ctx->bank2_phys = s5p_mfc_mem_cookie(
dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], ctx->bank2_buf);
BUG_ON(ctx->bank2_phys & ((1 << MFC_BANK2_ALIGN_ORDER) - 1));
}
return 0;
}
/* Release buffers allocated for codec */
void s5p_mfc_release_codec_buffers(struct s5p_mfc_ctx *ctx)
{
if (ctx->bank1_buf) {
vb2_dma_contig_memops.put(ctx->bank1_buf);
ctx->bank1_buf = NULL;
ctx->bank1_phys = 0;
ctx->bank1_size = 0;
}
if (ctx->bank2_buf) {
vb2_dma_contig_memops.put(ctx->bank2_buf);
ctx->bank2_buf = NULL;
ctx->bank2_phys = 0;
ctx->bank2_size = 0;
}
}
/* Allocate memory for instance data buffer */
int s5p_mfc_alloc_instance_buffer(struct s5p_mfc_ctx *ctx)
{
void *context_virt;
struct s5p_mfc_dev *dev = ctx->dev;
if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC ||
ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC)
ctx->ctx_size = MFC_H264_CTX_BUF_SIZE;
else
ctx->ctx_size = MFC_CTX_BUF_SIZE;
ctx->ctx_buf = vb2_dma_contig_memops.alloc(
dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx_size);
if (IS_ERR(ctx->ctx_buf)) {
mfc_err("Allocating context buffer failed\n");
ctx->ctx_phys = 0;
ctx->ctx_buf = NULL;
return -ENOMEM;
}
ctx->ctx_phys = s5p_mfc_mem_cookie(
dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], ctx->ctx_buf);
BUG_ON(ctx->ctx_phys & ((1 << MFC_BANK1_ALIGN_ORDER) - 1));
ctx->ctx_ofs = OFFSETA(ctx->ctx_phys);
context_virt = vb2_dma_contig_memops.vaddr(ctx->ctx_buf);
if (context_virt == NULL) {
mfc_err("Remapping instance buffer failed\n");
vb2_dma_contig_memops.put(ctx->ctx_buf);
ctx->ctx_phys = 0;
ctx->ctx_buf = NULL;
return -ENOMEM;
}
/* Zero content of the allocated memory */
memset(context_virt, 0, ctx->ctx_size);
wmb();
if (s5p_mfc_init_shm(ctx) < 0) {
vb2_dma_contig_memops.put(ctx->ctx_buf);
ctx->ctx_phys = 0;
ctx->ctx_buf = NULL;
return -ENOMEM;
}
return 0;
}
/* Release instance buffer */
void s5p_mfc_release_instance_buffer(struct s5p_mfc_ctx *ctx)
{
if (ctx->ctx_buf) {
vb2_dma_contig_memops.put(ctx->ctx_buf);
ctx->ctx_phys = 0;
ctx->ctx_buf = NULL;
}
if (ctx->shm_alloc) {
vb2_dma_contig_memops.put(ctx->shm_alloc);
ctx->shm_alloc = NULL;
ctx->shm = NULL;
}
}
/* Set registers for decoding temporary buffers */
void s5p_mfc_set_dec_desc_buffer(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
mfc_write(dev, OFFSETA(ctx->desc_phys), S5P_FIMV_SI_CH0_DESC_ADR);
mfc_write(dev, DESC_BUF_SIZE, S5P_FIMV_SI_CH0_DESC_SIZE);
}
/* Set registers for shared buffer */
static void s5p_mfc_set_shared_buffer(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
mfc_write(dev, ctx->shm_ofs, S5P_FIMV_SI_CH0_HOST_WR_ADR);
}
/* Set registers for decoding stream buffer */
int s5p_mfc_set_dec_stream_buffer(struct s5p_mfc_ctx *ctx, int buf_addr,
unsigned int start_num_byte, unsigned int buf_size)
{
struct s5p_mfc_dev *dev = ctx->dev;
mfc_write(dev, OFFSETA(buf_addr), S5P_FIMV_SI_CH0_SB_ST_ADR);
mfc_write(dev, ctx->dec_src_buf_size, S5P_FIMV_SI_CH0_CPB_SIZE);
mfc_write(dev, buf_size, S5P_FIMV_SI_CH0_SB_FRM_SIZE);
s5p_mfc_write_shm(ctx, start_num_byte, START_BYTE_NUM);
return 0;
}
/* Set decoding frame buffer */
int s5p_mfc_set_dec_frame_buffer(struct s5p_mfc_ctx *ctx)
{
unsigned int frame_size, i;
unsigned int frame_size_ch, frame_size_mv;
struct s5p_mfc_dev *dev = ctx->dev;
unsigned int dpb;
size_t buf_addr1, buf_addr2;
int buf_size1, buf_size2;
buf_addr1 = ctx->bank1_phys;
buf_size1 = ctx->bank1_size;
buf_addr2 = ctx->bank2_phys;
buf_size2 = ctx->bank2_size;
dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
~S5P_FIMV_DPB_COUNT_MASK;
mfc_write(dev, ctx->total_dpb_count | dpb,
S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
s5p_mfc_set_shared_buffer(ctx);
switch (ctx->codec_mode) {
case S5P_FIMV_CODEC_H264_DEC:
mfc_write(dev, OFFSETA(buf_addr1),
S5P_FIMV_H264_VERT_NB_MV_ADR);
buf_addr1 += S5P_FIMV_DEC_VERT_NB_MV_SIZE;
buf_size1 -= S5P_FIMV_DEC_VERT_NB_MV_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_NB_IP_ADR);
buf_addr1 += S5P_FIMV_DEC_NB_IP_SIZE;
buf_size1 -= S5P_FIMV_DEC_NB_IP_SIZE;
break;
case S5P_FIMV_CODEC_MPEG4_DEC:
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_NB_DCAC_ADR);
buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_NB_MV_ADR);
buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SA_MV_ADR);
buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_SP_ADR);
buf_addr1 += S5P_FIMV_DEC_STX_PARSER_SIZE;
buf_size1 -= S5P_FIMV_DEC_STX_PARSER_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_OT_LINE_ADR);
buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
break;
case S5P_FIMV_CODEC_H263_DEC:
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_OT_LINE_ADR);
buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_NB_MV_ADR);
buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_SA_MV_ADR);
buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_NB_DCAC_ADR);
buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
break;
case S5P_FIMV_CODEC_VC1_DEC:
case S5P_FIMV_CODEC_VC1RCV_DEC:
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_NB_DCAC_ADR);
buf_addr1 += S5P_FIMV_DEC_NB_DCAC_SIZE;
buf_size1 -= S5P_FIMV_DEC_NB_DCAC_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_OT_LINE_ADR);
buf_addr1 += S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
buf_size1 -= S5P_FIMV_DEC_OVERLAP_TRANSFORM_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_UP_NB_MV_ADR);
buf_addr1 += S5P_FIMV_DEC_UPNB_MV_SIZE;
buf_size1 -= S5P_FIMV_DEC_UPNB_MV_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_SA_MV_ADR);
buf_addr1 += S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
buf_size1 -= S5P_FIMV_DEC_SUB_ANCHOR_MV_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE3_ADR);
buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE2_ADR);
buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_VC1_BITPLANE1_ADR);
buf_addr1 += S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
buf_size1 -= S5P_FIMV_DEC_VC1_BITPLANE_SIZE;
break;
case S5P_FIMV_CODEC_MPEG2_DEC:
break;
default:
mfc_err("Unknown codec for decoding (%x)\n",
ctx->codec_mode);
return -EINVAL;
break;
}
frame_size = ctx->luma_size;
frame_size_ch = ctx->chroma_size;
frame_size_mv = ctx->mv_size;
mfc_debug(2, "Frm size: %d ch: %d mv: %d\n", frame_size, frame_size_ch,
frame_size_mv);
for (i = 0; i < ctx->total_dpb_count; i++) {
/* Bank2 */
mfc_debug(2, "Luma %d: %x\n", i,
ctx->dst_bufs[i].cookie.raw.luma);
mfc_write(dev, OFFSETB(ctx->dst_bufs[i].cookie.raw.luma),
S5P_FIMV_DEC_LUMA_ADR + i * 4);
mfc_debug(2, "\tChroma %d: %x\n", i,
ctx->dst_bufs[i].cookie.raw.chroma);
mfc_write(dev, OFFSETA(ctx->dst_bufs[i].cookie.raw.chroma),
S5P_FIMV_DEC_CHROMA_ADR + i * 4);
if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC) {
mfc_debug(2, "\tBuf2: %x, size: %d\n",
buf_addr2, buf_size2);
mfc_write(dev, OFFSETB(buf_addr2),
S5P_FIMV_H264_MV_ADR + i * 4);
buf_addr2 += frame_size_mv;
buf_size2 -= frame_size_mv;
}
}
mfc_debug(2, "Buf1: %u, buf_size1: %d\n", buf_addr1, buf_size1);
mfc_debug(2, "Buf 1/2 size after: %d/%d (frames %d)\n",
buf_size1, buf_size2, ctx->total_dpb_count);
if (buf_size1 < 0 || buf_size2 < 0) {
mfc_debug(2, "Not enough memory has been allocated\n");
return -ENOMEM;
}
s5p_mfc_write_shm(ctx, frame_size, ALLOC_LUMA_DPB_SIZE);
s5p_mfc_write_shm(ctx, frame_size_ch, ALLOC_CHROMA_DPB_SIZE);
if (ctx->codec_mode == S5P_FIMV_CODEC_H264_DEC)
s5p_mfc_write_shm(ctx, frame_size_mv, ALLOC_MV_SIZE);
mfc_write(dev, ((S5P_FIMV_CH_INIT_BUFS & S5P_FIMV_CH_MASK)
<< S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
S5P_FIMV_SI_CH0_INST_ID);
return 0;
}
/* Set registers for encoding stream buffer */
int s5p_mfc_set_enc_stream_buffer(struct s5p_mfc_ctx *ctx,
unsigned long addr, unsigned int size)
{
struct s5p_mfc_dev *dev = ctx->dev;
mfc_write(dev, OFFSETA(addr), S5P_FIMV_ENC_SI_CH0_SB_ADR);
mfc_write(dev, size, S5P_FIMV_ENC_SI_CH0_SB_SIZE);
return 0;
}
void s5p_mfc_set_enc_frame_buffer(struct s5p_mfc_ctx *ctx,
unsigned long y_addr, unsigned long c_addr)
{
struct s5p_mfc_dev *dev = ctx->dev;
mfc_write(dev, OFFSETB(y_addr), S5P_FIMV_ENC_SI_CH0_CUR_Y_ADR);
mfc_write(dev, OFFSETB(c_addr), S5P_FIMV_ENC_SI_CH0_CUR_C_ADR);
}
void s5p_mfc_get_enc_frame_buffer(struct s5p_mfc_ctx *ctx,
unsigned long *y_addr, unsigned long *c_addr)
{
struct s5p_mfc_dev *dev = ctx->dev;
*y_addr = dev->bank2 + (mfc_read(dev, S5P_FIMV_ENCODED_Y_ADDR)
<< MFC_OFFSET_SHIFT);
*c_addr = dev->bank2 + (mfc_read(dev, S5P_FIMV_ENCODED_C_ADDR)
<< MFC_OFFSET_SHIFT);
}
/* Set encoding ref & codec buffer */
int s5p_mfc_set_enc_ref_buffer(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
size_t buf_addr1, buf_addr2;
size_t buf_size1, buf_size2;
unsigned int enc_ref_y_size, enc_ref_c_size;
unsigned int guard_width, guard_height;
int i;
buf_addr1 = ctx->bank1_phys;
buf_size1 = ctx->bank1_size;
buf_addr2 = ctx->bank2_phys;
buf_size2 = ctx->bank2_size;
enc_ref_y_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
* ALIGN(ctx->img_height, S5P_FIMV_NV12MT_VALIGN);
enc_ref_y_size = ALIGN(enc_ref_y_size, S5P_FIMV_NV12MT_SALIGN);
if (ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC) {
enc_ref_c_size = ALIGN(ctx->img_width, S5P_FIMV_NV12MT_HALIGN)
* ALIGN((ctx->img_height >> 1), S5P_FIMV_NV12MT_VALIGN);
enc_ref_c_size = ALIGN(enc_ref_c_size, S5P_FIMV_NV12MT_SALIGN);
} else {
guard_width = ALIGN(ctx->img_width + 16,
S5P_FIMV_NV12MT_HALIGN);
guard_height = ALIGN((ctx->img_height >> 1) + 4,
S5P_FIMV_NV12MT_VALIGN);
enc_ref_c_size = ALIGN(guard_width * guard_height,
S5P_FIMV_NV12MT_SALIGN);
}
mfc_debug(2, "buf_size1: %d, buf_size2: %d\n", buf_size1, buf_size2);
switch (ctx->codec_mode) {
case S5P_FIMV_CODEC_H264_ENC:
for (i = 0; i < 2; i++) {
mfc_write(dev, OFFSETA(buf_addr1),
S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
buf_addr1 += enc_ref_y_size;
buf_size1 -= enc_ref_y_size;
mfc_write(dev, OFFSETB(buf_addr2),
S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
buf_addr2 += enc_ref_y_size;
buf_size2 -= enc_ref_y_size;
}
for (i = 0; i < 4; i++) {
mfc_write(dev, OFFSETB(buf_addr2),
S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
buf_addr2 += enc_ref_c_size;
buf_size2 -= enc_ref_c_size;
}
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H264_UP_MV_ADR);
buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
mfc_write(dev, OFFSETA(buf_addr1),
S5P_FIMV_H264_COZERO_FLAG_ADR);
buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
mfc_write(dev, OFFSETA(buf_addr1),
S5P_FIMV_H264_UP_INTRA_MD_ADR);
buf_addr1 += S5P_FIMV_ENC_INTRAMD_SIZE;
buf_size1 -= S5P_FIMV_ENC_INTRAMD_SIZE;
mfc_write(dev, OFFSETB(buf_addr2),
S5P_FIMV_H264_UP_INTRA_PRED_ADR);
buf_addr2 += S5P_FIMV_ENC_INTRAPRED_SIZE;
buf_size2 -= S5P_FIMV_ENC_INTRAPRED_SIZE;
mfc_write(dev, OFFSETA(buf_addr1),
S5P_FIMV_H264_NBOR_INFO_ADR);
buf_addr1 += S5P_FIMV_ENC_NBORINFO_SIZE;
buf_size1 -= S5P_FIMV_ENC_NBORINFO_SIZE;
mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
buf_size1, buf_size2);
break;
case S5P_FIMV_CODEC_MPEG4_ENC:
for (i = 0; i < 2; i++) {
mfc_write(dev, OFFSETA(buf_addr1),
S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
buf_addr1 += enc_ref_y_size;
buf_size1 -= enc_ref_y_size;
mfc_write(dev, OFFSETB(buf_addr2),
S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
buf_addr2 += enc_ref_y_size;
buf_size2 -= enc_ref_y_size;
}
for (i = 0; i < 4; i++) {
mfc_write(dev, OFFSETB(buf_addr2),
S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
buf_addr2 += enc_ref_c_size;
buf_size2 -= enc_ref_c_size;
}
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_MPEG4_UP_MV_ADR);
buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
mfc_write(dev, OFFSETA(buf_addr1),
S5P_FIMV_MPEG4_COZERO_FLAG_ADR);
buf_addr1 += S5P_FIMV_ENC_COLFLG_SIZE;
buf_size1 -= S5P_FIMV_ENC_COLFLG_SIZE;
mfc_write(dev, OFFSETA(buf_addr1),
S5P_FIMV_MPEG4_ACDC_COEF_ADR);
buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
buf_size1, buf_size2);
break;
case S5P_FIMV_CODEC_H263_ENC:
for (i = 0; i < 2; i++) {
mfc_write(dev, OFFSETA(buf_addr1),
S5P_FIMV_ENC_REF0_LUMA_ADR + (4 * i));
buf_addr1 += enc_ref_y_size;
buf_size1 -= enc_ref_y_size;
mfc_write(dev, OFFSETB(buf_addr2),
S5P_FIMV_ENC_REF2_LUMA_ADR + (4 * i));
buf_addr2 += enc_ref_y_size;
buf_size2 -= enc_ref_y_size;
}
for (i = 0; i < 4; i++) {
mfc_write(dev, OFFSETB(buf_addr2),
S5P_FIMV_ENC_REF0_CHROMA_ADR + (4 * i));
buf_addr2 += enc_ref_c_size;
buf_size2 -= enc_ref_c_size;
}
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_UP_MV_ADR);
buf_addr1 += S5P_FIMV_ENC_UPMV_SIZE;
buf_size1 -= S5P_FIMV_ENC_UPMV_SIZE;
mfc_write(dev, OFFSETA(buf_addr1), S5P_FIMV_H263_ACDC_COEF_ADR);
buf_addr1 += S5P_FIMV_ENC_ACDCCOEF_SIZE;
buf_size1 -= S5P_FIMV_ENC_ACDCCOEF_SIZE;
mfc_debug(2, "buf_size1: %d, buf_size2: %d\n",
buf_size1, buf_size2);
break;
default:
mfc_err("Unknown codec set for encoding: %d\n",
ctx->codec_mode);
return -EINVAL;
}
return 0;
}
static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
struct s5p_mfc_enc_params *p = &ctx->enc_params;
unsigned int reg;
unsigned int shm;
/* width */
mfc_write(dev, ctx->img_width, S5P_FIMV_ENC_HSIZE_PX);
/* height */
mfc_write(dev, ctx->img_height, S5P_FIMV_ENC_VSIZE_PX);
/* pictype : enable, IDR period */
reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
reg |= (1 << 18);
reg &= ~(0xFFFF);
reg |= p->gop_size;
mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
mfc_write(dev, 0, S5P_FIMV_ENC_B_RECON_WRITE_ON);
/* multi-slice control */
/* multi-slice MB number or bit size */
mfc_write(dev, p->slice_mode, S5P_FIMV_ENC_MSLICE_CTRL);
if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_MB) {
mfc_write(dev, p->slice_mb, S5P_FIMV_ENC_MSLICE_MB);
} else if (p->slice_mode == V4L2_MPEG_VIDEO_MULTI_SICE_MODE_MAX_BYTES) {
mfc_write(dev, p->slice_bit, S5P_FIMV_ENC_MSLICE_BIT);
} else {
mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_MB);
mfc_write(dev, 0, S5P_FIMV_ENC_MSLICE_BIT);
}
/* cyclic intra refresh */
mfc_write(dev, p->intra_refresh_mb, S5P_FIMV_ENC_CIR_CTRL);
/* memory structure cur. frame */
if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
/* padding control & value */
reg = mfc_read(dev, S5P_FIMV_ENC_PADDING_CTRL);
if (p->pad) {
/** enable */
reg |= (1 << 31);
/** cr value */
reg &= ~(0xFF << 16);
reg |= (p->pad_cr << 16);
/** cb value */
reg &= ~(0xFF << 8);
reg |= (p->pad_cb << 8);
/** y value */
reg &= ~(0xFF);
reg |= (p->pad_luma);
} else {
/** disable & all value clear */
reg = 0;
}
mfc_write(dev, reg, S5P_FIMV_ENC_PADDING_CTRL);
/* rate control config. */
reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
/** frame-level rate control */
reg &= ~(0x1 << 9);
reg |= (p->rc_frame << 9);
mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
/* bit rate */
if (p->rc_frame)
mfc_write(dev, p->rc_bitrate,
S5P_FIMV_ENC_RC_BIT_RATE);
else
mfc_write(dev, 0, S5P_FIMV_ENC_RC_BIT_RATE);
/* reaction coefficient */
if (p->rc_frame)
mfc_write(dev, p->rc_reaction_coeff, S5P_FIMV_ENC_RC_RPARA);
shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
/* seq header ctrl */
shm &= ~(0x1 << 3);
shm |= (p->seq_hdr_mode << 3);
/* frame skip mode */
shm &= ~(0x3 << 1);
shm |= (p->frame_skip_mode << 1);
s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
/* fixed target bit */
s5p_mfc_write_shm(ctx, p->fixed_target_bit, RC_CONTROL_CONFIG);
return 0;
}
static int s5p_mfc_set_enc_params_h264(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
struct s5p_mfc_enc_params *p = &ctx->enc_params;
struct s5p_mfc_h264_enc_params *p_264 = &p->codec.h264;
unsigned int reg;
unsigned int shm;
s5p_mfc_set_enc_params(ctx);
/* pictype : number of B */
reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
/* num_b_frame - 0 ~ 2 */
reg &= ~(0x3 << 16);
reg |= (p->num_b_frame << 16);
mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
/* profile & level */
reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
/* level */
reg &= ~(0xFF << 8);
reg |= (p_264->level << 8);
/* profile - 0 ~ 2 */
reg &= ~(0x3F);
reg |= p_264->profile;
mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
/* interlace */
mfc_write(dev, p->interlace, S5P_FIMV_ENC_PIC_STRUCT);
/* height */
if (p->interlace)
mfc_write(dev, ctx->img_height >> 1, S5P_FIMV_ENC_VSIZE_PX);
/* loopfilter ctrl */
mfc_write(dev, p_264->loop_filter_mode, S5P_FIMV_ENC_LF_CTRL);
/* loopfilter alpha offset */
if (p_264->loop_filter_alpha < 0) {
reg = 0x10;
reg |= (0xFF - p_264->loop_filter_alpha) + 1;
} else {
reg = 0x00;
reg |= (p_264->loop_filter_alpha & 0xF);
}
mfc_write(dev, reg, S5P_FIMV_ENC_ALPHA_OFF);
/* loopfilter beta offset */
if (p_264->loop_filter_beta < 0) {
reg = 0x10;
reg |= (0xFF - p_264->loop_filter_beta) + 1;
} else {
reg = 0x00;
reg |= (p_264->loop_filter_beta & 0xF);
}
mfc_write(dev, reg, S5P_FIMV_ENC_BETA_OFF);
/* entropy coding mode */
if (p_264->entropy_mode == V4L2_MPEG_VIDEO_H264_ENTROPY_MODE_CABAC)
mfc_write(dev, 1, S5P_FIMV_ENC_H264_ENTROPY_MODE);
else
mfc_write(dev, 0, S5P_FIMV_ENC_H264_ENTROPY_MODE);
/* number of ref. picture */
reg = mfc_read(dev, S5P_FIMV_ENC_H264_NUM_OF_REF);
/* num of ref. pictures of P */
reg &= ~(0x3 << 5);
reg |= (p_264->num_ref_pic_4p << 5);
/* max number of ref. pictures */
reg &= ~(0x1F);
reg |= p_264->max_ref_pic;
mfc_write(dev, reg, S5P_FIMV_ENC_H264_NUM_OF_REF);
/* 8x8 transform enable */
mfc_write(dev, p_264->_8x8_transform, S5P_FIMV_ENC_H264_TRANS_FLAG);
/* rate control config. */
reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
/* macroblock level rate control */
reg &= ~(0x1 << 8);
reg |= (p_264->rc_mb << 8);
/* frame QP */
reg &= ~(0x3F);
reg |= p_264->rc_frame_qp;
mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
/* frame rate */
if (p->rc_frame && p->rc_framerate_denom)
mfc_write(dev, p->rc_framerate_num * 1000
/ p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
else
mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
/* max & min value of QP */
reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
/* max QP */
reg &= ~(0x3F << 8);
reg |= (p_264->rc_max_qp << 8);
/* min QP */
reg &= ~(0x3F);
reg |= p_264->rc_min_qp;
mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
/* macroblock adaptive scaling features */
if (p_264->rc_mb) {
reg = mfc_read(dev, S5P_FIMV_ENC_RC_MB_CTRL);
/* dark region */
reg &= ~(0x1 << 3);
reg |= (p_264->rc_mb_dark << 3);
/* smooth region */
reg &= ~(0x1 << 2);
reg |= (p_264->rc_mb_smooth << 2);
/* static region */
reg &= ~(0x1 << 1);
reg |= (p_264->rc_mb_static << 1);
/* high activity region */
reg &= ~(0x1);
reg |= p_264->rc_mb_activity;
mfc_write(dev, reg, S5P_FIMV_ENC_RC_MB_CTRL);
}
if (!p->rc_frame &&
!p_264->rc_mb) {
shm = s5p_mfc_read_shm(ctx, P_B_FRAME_QP);
shm &= ~(0xFFF);
shm |= ((p_264->rc_b_frame_qp & 0x3F) << 6);
shm |= (p_264->rc_p_frame_qp & 0x3F);
s5p_mfc_write_shm(ctx, shm, P_B_FRAME_QP);
}
/* extended encoder ctrl */
shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
/* AR VUI control */
shm &= ~(0x1 << 15);
shm |= (p_264->vui_sar << 1);
s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
if (p_264->vui_sar) {
/* aspect ration IDC */
shm = s5p_mfc_read_shm(ctx, SAMPLE_ASPECT_RATIO_IDC);
shm &= ~(0xFF);
shm |= p_264->vui_sar_idc;
s5p_mfc_write_shm(ctx, shm, SAMPLE_ASPECT_RATIO_IDC);
if (p_264->vui_sar_idc == 0xFF) {
/* sample AR info */
shm = s5p_mfc_read_shm(ctx, EXTENDED_SAR);
shm &= ~(0xFFFFFFFF);
shm |= p_264->vui_ext_sar_width << 16;
shm |= p_264->vui_ext_sar_height;
s5p_mfc_write_shm(ctx, shm, EXTENDED_SAR);
}
}
/* intra picture period for H.264 */
shm = s5p_mfc_read_shm(ctx, H264_I_PERIOD);
/* control */
shm &= ~(0x1 << 16);
shm |= (p_264->open_gop << 16);
/* value */
if (p_264->open_gop) {
shm &= ~(0xFFFF);
shm |= p_264->open_gop_size;
}
s5p_mfc_write_shm(ctx, shm, H264_I_PERIOD);
/* extended encoder ctrl */
shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
/* vbv buffer size */
if (p->frame_skip_mode ==
V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
shm &= ~(0xFFFF << 16);
shm |= (p_264->cpb_size << 16);
}
s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
return 0;
}
static int s5p_mfc_set_enc_params_mpeg4(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
struct s5p_mfc_enc_params *p = &ctx->enc_params;
struct s5p_mfc_mpeg4_enc_params *p_mpeg4 = &p->codec.mpeg4;
unsigned int reg;
unsigned int shm;
unsigned int framerate;
s5p_mfc_set_enc_params(ctx);
/* pictype : number of B */
reg = mfc_read(dev, S5P_FIMV_ENC_PIC_TYPE_CTRL);
/* num_b_frame - 0 ~ 2 */
reg &= ~(0x3 << 16);
reg |= (p->num_b_frame << 16);
mfc_write(dev, reg, S5P_FIMV_ENC_PIC_TYPE_CTRL);
/* profile & level */
reg = mfc_read(dev, S5P_FIMV_ENC_PROFILE);
/* level */
reg &= ~(0xFF << 8);
reg |= (p_mpeg4->level << 8);
/* profile - 0 ~ 2 */
reg &= ~(0x3F);
reg |= p_mpeg4->profile;
mfc_write(dev, reg, S5P_FIMV_ENC_PROFILE);
/* quarter_pixel */
mfc_write(dev, p_mpeg4->quarter_pixel, S5P_FIMV_ENC_MPEG4_QUART_PXL);
/* qp */
if (!p->rc_frame) {
shm = s5p_mfc_read_shm(ctx, P_B_FRAME_QP);
shm &= ~(0xFFF);
shm |= ((p_mpeg4->rc_b_frame_qp & 0x3F) << 6);
shm |= (p_mpeg4->rc_p_frame_qp & 0x3F);
s5p_mfc_write_shm(ctx, shm, P_B_FRAME_QP);
}
/* frame rate */
if (p->rc_frame) {
if (p->rc_framerate_denom > 0) {
framerate = p->rc_framerate_num * 1000 /
p->rc_framerate_denom;
mfc_write(dev, framerate,
S5P_FIMV_ENC_RC_FRAME_RATE);
shm = s5p_mfc_read_shm(ctx, RC_VOP_TIMING);
shm &= ~(0xFFFFFFFF);
shm |= (1 << 31);
shm |= ((p->rc_framerate_num & 0x7FFF) << 16);
shm |= (p->rc_framerate_denom & 0xFFFF);
s5p_mfc_write_shm(ctx, shm, RC_VOP_TIMING);
}
} else {
mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
}
/* rate control config. */
reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
/* frame QP */
reg &= ~(0x3F);
reg |= p_mpeg4->rc_frame_qp;
mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
/* max & min value of QP */
reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
/* max QP */
reg &= ~(0x3F << 8);
reg |= (p_mpeg4->rc_max_qp << 8);
/* min QP */
reg &= ~(0x3F);
reg |= p_mpeg4->rc_min_qp;
mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
/* extended encoder ctrl */
shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
/* vbv buffer size */
if (p->frame_skip_mode ==
V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
shm &= ~(0xFFFF << 16);
shm |= (p->vbv_size << 16);
}
s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
return 0;
}
static int s5p_mfc_set_enc_params_h263(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
struct s5p_mfc_enc_params *p = &ctx->enc_params;
struct s5p_mfc_mpeg4_enc_params *p_h263 = &p->codec.mpeg4;
unsigned int reg;
unsigned int shm;
s5p_mfc_set_enc_params(ctx);
/* qp */
if (!p->rc_frame) {
shm = s5p_mfc_read_shm(ctx, P_B_FRAME_QP);
shm &= ~(0xFFF);
shm |= (p_h263->rc_p_frame_qp & 0x3F);
s5p_mfc_write_shm(ctx, shm, P_B_FRAME_QP);
}
/* frame rate */
if (p->rc_frame && p->rc_framerate_denom)
mfc_write(dev, p->rc_framerate_num * 1000
/ p->rc_framerate_denom, S5P_FIMV_ENC_RC_FRAME_RATE);
else
mfc_write(dev, 0, S5P_FIMV_ENC_RC_FRAME_RATE);
/* rate control config. */
reg = mfc_read(dev, S5P_FIMV_ENC_RC_CONFIG);
/* frame QP */
reg &= ~(0x3F);
reg |= p_h263->rc_frame_qp;
mfc_write(dev, reg, S5P_FIMV_ENC_RC_CONFIG);
/* max & min value of QP */
reg = mfc_read(dev, S5P_FIMV_ENC_RC_QBOUND);
/* max QP */
reg &= ~(0x3F << 8);
reg |= (p_h263->rc_max_qp << 8);
/* min QP */
reg &= ~(0x3F);
reg |= p_h263->rc_min_qp;
mfc_write(dev, reg, S5P_FIMV_ENC_RC_QBOUND);
/* extended encoder ctrl */
shm = s5p_mfc_read_shm(ctx, EXT_ENC_CONTROL);
/* vbv buffer size */
if (p->frame_skip_mode ==
V4L2_MPEG_MFC51_VIDEO_FRAME_SKIP_MODE_BUF_LIMIT) {
shm &= ~(0xFFFF << 16);
shm |= (p->vbv_size << 16);
}
s5p_mfc_write_shm(ctx, shm, EXT_ENC_CONTROL);
return 0;
}
/* Initialize decoding */
int s5p_mfc_init_decode(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
s5p_mfc_set_shared_buffer(ctx);
/* Setup loop filter, for decoding this is only valid for MPEG4 */
if (ctx->codec_mode == S5P_FIMV_CODEC_MPEG4_DEC)
mfc_write(dev, ctx->loop_filter_mpeg4, S5P_FIMV_ENC_LF_CTRL);
else
mfc_write(dev, 0, S5P_FIMV_ENC_LF_CTRL);
mfc_write(dev, ((ctx->slice_interface & S5P_FIMV_SLICE_INT_MASK) <<
S5P_FIMV_SLICE_INT_SHIFT) | (ctx->display_delay_enable <<
S5P_FIMV_DDELAY_ENA_SHIFT) | ((ctx->display_delay &
S5P_FIMV_DDELAY_VAL_MASK) << S5P_FIMV_DDELAY_VAL_SHIFT),
S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
mfc_write(dev,
((S5P_FIMV_CH_SEQ_HEADER & S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT)
| (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
return 0;
}
static void s5p_mfc_set_flush(struct s5p_mfc_ctx *ctx, int flush)
{
struct s5p_mfc_dev *dev = ctx->dev;
unsigned int dpb;
if (flush)
dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) | (
S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
else
dpb = mfc_read(dev, S5P_FIMV_SI_CH0_DPB_CONF_CTRL) &
~(S5P_FIMV_DPB_FLUSH_MASK << S5P_FIMV_DPB_FLUSH_SHIFT);
mfc_write(dev, dpb, S5P_FIMV_SI_CH0_DPB_CONF_CTRL);
}
/* Decode a single frame */
int s5p_mfc_decode_one_frame(struct s5p_mfc_ctx *ctx,
enum s5p_mfc_decode_arg last_frame)
{
struct s5p_mfc_dev *dev = ctx->dev;
mfc_write(dev, ctx->dec_dst_flag, S5P_FIMV_SI_CH0_RELEASE_BUF);
s5p_mfc_set_shared_buffer(ctx);
s5p_mfc_set_flush(ctx, ctx->dpb_flush_flag);
/* Issue different commands to instance basing on whether it
* is the last frame or not. */
switch (last_frame) {
case MFC_DEC_FRAME:
mfc_write(dev, ((S5P_FIMV_CH_FRAME_START & S5P_FIMV_CH_MASK) <<
S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
break;
case MFC_DEC_LAST_FRAME:
mfc_write(dev, ((S5P_FIMV_CH_LAST_FRAME & S5P_FIMV_CH_MASK) <<
S5P_FIMV_CH_SHIFT) | (ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
break;
case MFC_DEC_RES_CHANGE:
mfc_write(dev, ((S5P_FIMV_CH_FRAME_START_REALLOC &
S5P_FIMV_CH_MASK) << S5P_FIMV_CH_SHIFT) | (ctx->inst_no),
S5P_FIMV_SI_CH0_INST_ID);
break;
}
mfc_debug(2, "Decoding a usual frame\n");
return 0;
}
int s5p_mfc_init_encode(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
if (ctx->codec_mode == S5P_FIMV_CODEC_H264_ENC)
s5p_mfc_set_enc_params_h264(ctx);
else if (ctx->codec_mode == S5P_FIMV_CODEC_MPEG4_ENC)
s5p_mfc_set_enc_params_mpeg4(ctx);
else if (ctx->codec_mode == S5P_FIMV_CODEC_H263_ENC)
s5p_mfc_set_enc_params_h263(ctx);
else {
mfc_err("Unknown codec for encoding (%x)\n",
ctx->codec_mode);
return -EINVAL;
}
s5p_mfc_set_shared_buffer(ctx);
mfc_write(dev, ((S5P_FIMV_CH_SEQ_HEADER << 16) & 0x70000) |
(ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
return 0;
}
/* Encode a single frame */
int s5p_mfc_encode_one_frame(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
/* memory structure cur. frame */
if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12M)
mfc_write(dev, 0, S5P_FIMV_ENC_MAP_FOR_CUR);
else if (ctx->src_fmt->fourcc == V4L2_PIX_FMT_NV12MT)
mfc_write(dev, 3, S5P_FIMV_ENC_MAP_FOR_CUR);
s5p_mfc_set_shared_buffer(ctx);
mfc_write(dev, (S5P_FIMV_CH_FRAME_START << 16 & 0x70000) |
(ctx->inst_no), S5P_FIMV_SI_CH0_INST_ID);
return 0;
}
static int s5p_mfc_get_new_ctx(struct s5p_mfc_dev *dev)
{
unsigned long flags;
int new_ctx;
int cnt;
spin_lock_irqsave(&dev->condlock, flags);
new_ctx = (dev->curr_ctx + 1) % MFC_NUM_CONTEXTS;
cnt = 0;
while (!test_bit(new_ctx, &dev->ctx_work_bits)) {
new_ctx = (new_ctx + 1) % MFC_NUM_CONTEXTS;
if (++cnt > MFC_NUM_CONTEXTS) {
/* No contexts to run */
spin_unlock_irqrestore(&dev->condlock, flags);
return -EAGAIN;
}
}
spin_unlock_irqrestore(&dev->condlock, flags);
return new_ctx;
}
static void s5p_mfc_run_res_change(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
s5p_mfc_set_dec_stream_buffer(ctx, 0, 0, 0);
dev->curr_ctx = ctx->num;
s5p_mfc_clean_ctx_int_flags(ctx);
s5p_mfc_decode_one_frame(ctx, MFC_DEC_RES_CHANGE);
}
static int s5p_mfc_run_dec_frame(struct s5p_mfc_ctx *ctx, int last_frame)
{
struct s5p_mfc_dev *dev = ctx->dev;
struct s5p_mfc_buf *temp_vb;
unsigned long flags;
unsigned int index;
spin_lock_irqsave(&dev->irqlock, flags);
/* Frames are being decoded */
if (list_empty(&ctx->src_queue)) {
mfc_debug(2, "No src buffers\n");
spin_unlock_irqrestore(&dev->irqlock, flags);
return -EAGAIN;
}
/* Get the next source buffer */
temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
temp_vb->used = 1;
s5p_mfc_set_dec_stream_buffer(ctx,
vb2_dma_contig_plane_dma_addr(temp_vb->b, 0), ctx->consumed_stream,
temp_vb->b->v4l2_planes[0].bytesused);
spin_unlock_irqrestore(&dev->irqlock, flags);
index = temp_vb->b->v4l2_buf.index;
dev->curr_ctx = ctx->num;
s5p_mfc_clean_ctx_int_flags(ctx);
if (temp_vb->b->v4l2_planes[0].bytesused == 0) {
last_frame = MFC_DEC_LAST_FRAME;
mfc_debug(2, "Setting ctx->state to FINISHING\n");
ctx->state = MFCINST_FINISHING;
}
s5p_mfc_decode_one_frame(ctx, last_frame);
return 0;
}
static int s5p_mfc_run_enc_frame(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
unsigned long flags;
struct s5p_mfc_buf *dst_mb;
struct s5p_mfc_buf *src_mb;
unsigned long src_y_addr, src_c_addr, dst_addr;
unsigned int dst_size;
spin_lock_irqsave(&dev->irqlock, flags);
if (list_empty(&ctx->src_queue)) {
mfc_debug(2, "no src buffers\n");
spin_unlock_irqrestore(&dev->irqlock, flags);
return -EAGAIN;
}
if (list_empty(&ctx->dst_queue)) {
mfc_debug(2, "no dst buffers\n");
spin_unlock_irqrestore(&dev->irqlock, flags);
return -EAGAIN;
}
src_mb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
src_mb->used = 1;
src_y_addr = vb2_dma_contig_plane_dma_addr(src_mb->b, 0);
src_c_addr = vb2_dma_contig_plane_dma_addr(src_mb->b, 1);
s5p_mfc_set_enc_frame_buffer(ctx, src_y_addr, src_c_addr);
dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
dst_mb->used = 1;
dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
dst_size = vb2_plane_size(dst_mb->b, 0);
s5p_mfc_set_enc_stream_buffer(ctx, dst_addr, dst_size);
spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
s5p_mfc_clean_ctx_int_flags(ctx);
s5p_mfc_encode_one_frame(ctx);
return 0;
}
static void s5p_mfc_run_init_dec(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
unsigned long flags;
struct s5p_mfc_buf *temp_vb;
/* Initializing decoding - parsing header */
spin_lock_irqsave(&dev->irqlock, flags);
mfc_debug(2, "Preparing to init decoding\n");
temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
s5p_mfc_set_dec_desc_buffer(ctx);
mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
s5p_mfc_set_dec_stream_buffer(ctx,
vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
0, temp_vb->b->v4l2_planes[0].bytesused);
spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
s5p_mfc_clean_ctx_int_flags(ctx);
s5p_mfc_init_decode(ctx);
}
static void s5p_mfc_run_init_enc(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
unsigned long flags;
struct s5p_mfc_buf *dst_mb;
unsigned long dst_addr;
unsigned int dst_size;
s5p_mfc_set_enc_ref_buffer(ctx);
spin_lock_irqsave(&dev->irqlock, flags);
dst_mb = list_entry(ctx->dst_queue.next, struct s5p_mfc_buf, list);
dst_addr = vb2_dma_contig_plane_dma_addr(dst_mb->b, 0);
dst_size = vb2_plane_size(dst_mb->b, 0);
s5p_mfc_set_enc_stream_buffer(ctx, dst_addr, dst_size);
spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
s5p_mfc_clean_ctx_int_flags(ctx);
s5p_mfc_init_encode(ctx);
}
static int s5p_mfc_run_init_dec_buffers(struct s5p_mfc_ctx *ctx)
{
struct s5p_mfc_dev *dev = ctx->dev;
unsigned long flags;
struct s5p_mfc_buf *temp_vb;
int ret;
/*
* Header was parsed now starting processing
* First set the output frame buffers
*/
if (ctx->capture_state != QUEUE_BUFS_MMAPED) {
mfc_err("It seems that not all destionation buffers were "
"mmaped\nMFC requires that all destination are mmaped "
"before starting processing\n");
return -EAGAIN;
}
spin_lock_irqsave(&dev->irqlock, flags);
if (list_empty(&ctx->src_queue)) {
mfc_err("Header has been deallocated in the middle of"
" initialization\n");
spin_unlock_irqrestore(&dev->irqlock, flags);
return -EIO;
}
temp_vb = list_entry(ctx->src_queue.next, struct s5p_mfc_buf, list);
mfc_debug(2, "Header size: %d\n", temp_vb->b->v4l2_planes[0].bytesused);
s5p_mfc_set_dec_stream_buffer(ctx,
vb2_dma_contig_plane_dma_addr(temp_vb->b, 0),
0, temp_vb->b->v4l2_planes[0].bytesused);
spin_unlock_irqrestore(&dev->irqlock, flags);
dev->curr_ctx = ctx->num;
s5p_mfc_clean_ctx_int_flags(ctx);
ret = s5p_mfc_set_dec_frame_buffer(ctx);
if (ret) {
mfc_err("Failed to alloc frame mem\n");
ctx->state = MFCINST_ERROR;
}
return ret;
}
/* Try running an operation on hardware */
void s5p_mfc_try_run(struct s5p_mfc_dev *dev)
{
struct s5p_mfc_ctx *ctx;
int new_ctx;
unsigned int ret = 0;
if (test_bit(0, &dev->enter_suspend)) {
mfc_debug(1, "Entering suspend so do not schedule any jobs\n");
return;
}
/* Check whether hardware is not running */
if (test_and_set_bit(0, &dev->hw_lock) != 0) {
/* This is perfectly ok, the scheduled ctx should wait */
mfc_debug(1, "Couldn't lock HW\n");
return;
}
/* Choose the context to run */
new_ctx = s5p_mfc_get_new_ctx(dev);
if (new_ctx < 0) {
/* No contexts to run */
if (test_and_clear_bit(0, &dev->hw_lock) == 0) {
mfc_err("Failed to unlock hardware\n");
return;
}
mfc_debug(1, "No ctx is scheduled to be run\n");
return;
}
ctx = dev->ctx[new_ctx];
/* Got context to run in ctx */
/*
* Last frame has already been sent to MFC.
* Now obtaining frames from MFC buffer
*/
s5p_mfc_clock_on();
if (ctx->type == MFCINST_DECODER) {
s5p_mfc_set_dec_desc_buffer(ctx);
switch (ctx->state) {
case MFCINST_FINISHING:
s5p_mfc_run_dec_frame(ctx, MFC_DEC_LAST_FRAME);
break;
case MFCINST_RUNNING:
ret = s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
break;
case MFCINST_INIT:
s5p_mfc_clean_ctx_int_flags(ctx);
ret = s5p_mfc_open_inst_cmd(ctx);
break;
case MFCINST_RETURN_INST:
s5p_mfc_clean_ctx_int_flags(ctx);
ret = s5p_mfc_close_inst_cmd(ctx);
break;
case MFCINST_GOT_INST:
s5p_mfc_run_init_dec(ctx);
break;
case MFCINST_HEAD_PARSED:
ret = s5p_mfc_run_init_dec_buffers(ctx);
mfc_debug(1, "head parsed\n");
break;
case MFCINST_RES_CHANGE_INIT:
s5p_mfc_run_res_change(ctx);
break;
case MFCINST_RES_CHANGE_FLUSH:
s5p_mfc_run_dec_frame(ctx, MFC_DEC_FRAME);
break;
case MFCINST_RES_CHANGE_END:
mfc_debug(2, "Finished remaining frames after resolution change\n");
ctx->capture_state = QUEUE_FREE;
mfc_debug(2, "Will re-init the codec\n");
s5p_mfc_run_init_dec(ctx);
break;
default:
ret = -EAGAIN;
}
} else if (ctx->type == MFCINST_ENCODER) {
switch (ctx->state) {
case MFCINST_FINISHING:
case MFCINST_RUNNING:
ret = s5p_mfc_run_enc_frame(ctx);
break;
case MFCINST_INIT:
s5p_mfc_clean_ctx_int_flags(ctx);
ret = s5p_mfc_open_inst_cmd(ctx);
break;
case MFCINST_RETURN_INST:
s5p_mfc_clean_ctx_int_flags(ctx);
ret = s5p_mfc_close_inst_cmd(ctx);
break;
case MFCINST_GOT_INST:
s5p_mfc_run_init_enc(ctx);
break;
default:
ret = -EAGAIN;
}
} else {
mfc_err("Invalid context type: %d\n", ctx->type);
ret = -EAGAIN;
}
if (ret) {
/* Free hardware lock */
if (test_and_clear_bit(0, &dev->hw_lock) == 0)
mfc_err("Failed to unlock hardware\n");
/* This is in deed imporant, as no operation has been
* scheduled, reduce the clock count as no one will
* ever do this, because no interrupt related to this try_run
* will ever come from hardware. */
s5p_mfc_clock_off();
}
}
void s5p_mfc_cleanup_queue(struct list_head *lh, struct vb2_queue *vq)
{
struct s5p_mfc_buf *b;
int i;
while (!list_empty(lh)) {
b = list_entry(lh->next, struct s5p_mfc_buf, list);
for (i = 0; i < b->b->num_planes; i++)
vb2_set_plane_payload(b->b, i, 0);
vb2_buffer_done(b->b, VB2_BUF_STATE_ERROR);
list_del(&b->list);
}
}
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