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/* Copyright 2013 Freescale Semiconductor, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Freescale Semiconductor nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* This software is provided by Freescale Semiconductor "as is" and any
* express or implied warranties, including, but not limited to, the implied
* warranties of merchantability and fitness for a particular purpose are
* disclaimed. In no event shall Freescale Semiconductor be liable for any
* direct, indirect, incidental, special, exemplary, or consequential damages
* (including, but not limited to, procurement of substitute goods or services;
* loss of use, data, or profits; or business interruption) however caused and
* on any theory of liability, whether in contract, strict liability, or tort
* (including negligence or otherwise) arising in any way out of the use of
* this software, even if advised of the possibility of such damage.
*/
#include <linux/types.h>
#include <linux/err.h>
#include <linux/spinlock_types.h>
#include <linux/cpumask.h>
#include <linux/rbtree.h>
#include <linux/export.h>
#include "fsl_dce_chunk.h"
#define DCE_FIFO_DEPTH 256
static void chunk_base_cb(struct fsl_dce_flow *flow, const struct qm_fd *fd,
void *callback_tag)
{
if (likely(ISEQ_32FTK(fd->cmd, DCE_CMD, PROCESS)))
flow->cbs.process_cb(flow, fd, callback_tag);
else if (ISEQ_32FTK(fd->cmd, DCE_CMD, CTX_INVALIDATE))
flow->cbs.scr_invalidate_cb(flow, fd, callback_tag);
else if (ISEQ_32FTK(fd->cmd, DCE_CMD, NOP))
flow->cbs.nop_cb(flow, fd, callback_tag);
}
int fsl_dce_chunk_setup2(struct fsl_dce_chunk *chunk,
uint32_t flags,
enum dce_mode mode,
enum dce_compression_format cf,
struct dce_bman_cfg *bcfg,
fsl_dce_process_cb process_cb,
fsl_dce_nop_cb nop_cb)
{
int ret = 0;
struct fsl_dce_flow_init_params flow_params;
if (!chunk)
return -EINVAL;
memset(&flow_params, 0, sizeof(flow_params));
memset(chunk, 0, sizeof(*chunk));
chunk->cf = cf;
/* QMan frame queue ids will be allocated */
if (bcfg)
fsl_dce_flow_setopt_bcfg(&chunk->flow, *bcfg);
flow_params.mode = mode;
flow_params.fifo_depth = DCE_FIFO_DEPTH;
flow_params.state_config = DCE_STATELESS;
flow_params.base_cb = chunk_base_cb;
flow_params.process_cb = process_cb;
flow_params.nop_cb = nop_cb;
ret = fsl_dce_flow_init(&chunk->flow, &flow_params);
if (ret) {
pr_debug("dce_chunk: err ret = %d\n", ret);
return ret;
}
return 0;
}
EXPORT_SYMBOL(fsl_dce_chunk_setup2);
int fsl_dce_chunk_fifo_len(struct fsl_dce_chunk *chunk)
{
return fsl_dce_flow_fifo_len(&chunk->flow);
}
EXPORT_SYMBOL(fsl_dce_chunk_fifo_len);
int fsl_dce_chunk_destroy(struct fsl_dce_chunk *chunk, uint32_t flags,
void *callback_tag)
{
return fsl_dce_flow_finish(&chunk->flow, flags);
}
EXPORT_SYMBOL(fsl_dce_chunk_destroy);
int fsl_dce_chunk_process(struct fsl_dce_chunk *chunk, uint32_t flags,
struct qm_fd *fd, void *callback_tag)
{
if (chunk->cf == DCE_CF_ZLIB)
SET_BF32_TK(fd->cmd, DCE_PROCESS_CF, ZLIB);
else if (chunk->cf == DCE_CF_GZIP)
SET_BF32_TK(fd->cmd, DCE_PROCESS_CF, GZIP);
/* Bug 15470 */
SET_BF32_TK(fd->cmd, DCE_PROCESS_Z_FLUSH, FINISH);
/* Bug 14479, see 14477, must set UHC for gzip/zlib */
SET_BF32_TK(fd->cmd, DCE_PROCESS_UHC, YES);
return fsl_dce_process(&chunk->flow, flags, fd, callback_tag);
}
EXPORT_SYMBOL(fsl_dce_chunk_process);
int fsl_dce_chunk_nop(struct fsl_dce_chunk *chunk, uint32_t flags,
void *callback_tag)
{
return fsl_dce_nop(&chunk->flow, flags, callback_tag);
}
EXPORT_SYMBOL(fsl_dce_chunk_nop);
int fsl_dce_chunk_deflate_params(struct fsl_dce_chunk *chunk,
uint32_t bman_output_offset,
bool bman_release_input,
bool base64,
uint32_t ce)
{
fsl_dce_flow_setopt_outputoffset(&chunk->flow, bman_output_offset);
fsl_dce_flow_setopt_release_input(&chunk->flow, bman_release_input);
fsl_dce_flow_setopt_base64(&chunk->flow, base64);
fsl_dce_flow_setopt_compression_effort(&chunk->flow, ce);
return 0;
}
EXPORT_SYMBOL(fsl_dce_chunk_deflate_params);
int fsl_dce_chunk_inflate_params(struct fsl_dce_chunk *chunk,
uint32_t bman_output_offset,
bool bman_release_input,
bool base64)
{
fsl_dce_flow_setopt_outputoffset(&chunk->flow, bman_output_offset);
fsl_dce_flow_setopt_release_input(&chunk->flow, bman_release_input);
fsl_dce_flow_setopt_base64(&chunk->flow, base64);
return 0;
}
EXPORT_SYMBOL(fsl_dce_chunk_inflate_params);
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