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kernel add
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/*
* Copyright (C) 2015 Texas Instruments Incorporated
* Authors: Murali Karicheri
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __SOC_TI_KEYSTONE_NAVIGATOR_HELPERS_H__
#define __SOC_TI_KEYSTONE_NAVIGATOR_HELPERS_H__
/* Helper functions - Get/Set */
static inline void knav_dma_get_pkt_info(u32 *buff, u32 *buff_len, u32 *ndesc,
struct knav_dma_desc *desc)
{
*buff_len = desc->buff_len;
*buff = desc->buff;
*ndesc = desc->next_desc;
}
static inline void knav_dma_get_desc_info(u32 *desc_info, u32 *pkt_info,
struct knav_dma_desc *desc)
{
*desc_info = desc->desc_info;
*pkt_info = desc->packet_info;
}
static inline void knav_dma_get_pad_info(u32 *pad0, u32 *pad1,
struct knav_dma_desc *desc)
{
*pad0 = desc->pad[0];
*pad1 = desc->pad[1];
}
static inline void knav_get_org_pkt_info(u32 *buff, u32 *buff_len,
struct knav_dma_desc *desc)
{
*buff = desc->orig_buff;
*buff_len = desc->orig_len;
}
static inline void knav_dma_set_pkt_info(u32 buff, u32 buff_len, u32 ndesc,
struct knav_dma_desc *desc)
{
desc->buff_len = buff_len;
desc->buff = buff;
desc->next_desc = ndesc;
}
static inline void knav_dma_set_desc_info(u32 desc_info, u32 pkt_info,
struct knav_dma_desc *desc)
{
desc->desc_info = desc_info;
desc->packet_info = pkt_info;
}
static inline void knav_dma_set_pad_info(u32 pad0, u32 pad1,
struct knav_dma_desc *desc)
{
desc->pad[0] = pad0;
desc->pad[1] = pad1;
}
static inline void knav_dma_set_org_pkt_info(u32 buff, u32 buff_len,
struct knav_dma_desc *desc)
{
desc->orig_buff = buff;
desc->orig_len = buff_len;
}
static inline void knav_dma_set_words(u32 *words, int num_words, u32 *desc)
{
int i;
if (words >= desc) {
for (i = 0; i < num_words; i++)
desc[i] = words[i];
} else {
while (num_words--)
desc[num_words] = words[num_words];
}
}
static inline void knav_dma_get_words(u32 *words, int num_words, u32 *desc)
{
knav_dma_set_words(desc, num_words, words);
}
#define knav_queue_get_id(q) knav_queue_device_control(q, \
KNAV_QUEUE_GET_ID, (unsigned long)NULL)
#define knav_queue_enable_notify(q) knav_queue_device_control(q, \
KNAV_QUEUE_ENABLE_NOTIFY, \
(unsigned long)NULL)
#define knav_queue_disable_notify(q) knav_queue_device_control(q, \
KNAV_QUEUE_DISABLE_NOTIFY, \
(unsigned long)NULL)
#define knav_queue_get_count(q) knav_queue_device_control(q, \
KNAV_QUEUE_GET_COUNT, (unsigned long)NULL)
#define knav_queue_flush(q) knav_queue_device_control(q, \
KNAV_QUEUE_FLUSH, (unsigned long)NULL)
#endif /* __SOC_TI_KEYSTONE_NAVIGATOR_HELPERS_H__ */
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