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/* arch/arm/mach-msm/qdsp5/adsp_video_verify_cmd.c
*
* Verificion code for aDSP VENC packets from userspace.
*
* Copyright (c) 2008 QUALCOMM Incorporated
* Copyright (C) 2008 Google, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/io.h>
#define ADSP_DEBUG_MSGS 0
#if ADSP_DEBUG_MSGS
#define DLOG(fmt,args...) \
do { printk(KERN_INFO "[%s:%s:%d] "fmt, __FILE__, __func__, __LINE__, \
##args); } \
while (0)
#else
#define DLOG(x...) do {} while (0)
#endif
#include <mach/qdsp5/qdsp5venccmdi.h>
#include "adsp.h"
static unsigned short x_dimension, y_dimension;
static inline void *high_low_short_to_ptr(unsigned short high,
unsigned short low)
{
return (void *)((((unsigned long)high) << 16) | ((unsigned long)low));
}
static inline void ptr_to_high_low_short(void *ptr, unsigned short *high,
unsigned short *low)
{
*high = (unsigned short)((((unsigned long)ptr) >> 16) & 0xffff);
*low = (unsigned short)((unsigned long)ptr & 0xffff);
}
static int pmem_fixup_high_low(unsigned short *high,
unsigned short *low,
unsigned short size_high,
unsigned short size_low,
struct msm_adsp_module *module,
unsigned long *addr, unsigned long *size)
{
void *phys_addr;
unsigned long phys_size;
unsigned long kvaddr;
phys_addr = high_low_short_to_ptr(*high, *low);
phys_size = (unsigned long)high_low_short_to_ptr(size_high, size_low);
DLOG("virt %x %x\n", phys_addr, phys_size);
if (adsp_pmem_fixup_kvaddr(module, &phys_addr, &kvaddr, phys_size)) {
DLOG("ah%x al%x sh%x sl%x addr %x size %x\n",
*high, *low, size_high, size_low, phys_addr, phys_size);
return -1;
}
ptr_to_high_low_short(phys_addr, high, low);
DLOG("phys %x %x\n", phys_addr, phys_size);
if (addr)
*addr = kvaddr;
if (size)
*size = phys_size;
return 0;
}
static int verify_venc_cmd(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
unsigned short cmd_id = ((unsigned short *)cmd_data)[0];
unsigned long frame_buf_size, luma_buf_size, chroma_buf_size;
unsigned short frame_buf_size_high, frame_buf_size_low;
unsigned short luma_buf_size_high, luma_buf_size_low;
unsigned short chroma_buf_size_high, chroma_buf_size_low;
videnc_cmd_cfg *config_cmd;
videnc_cmd_frame_start *frame_cmd;
videnc_cmd_dis *dis_cmd;
DLOG("cmd_size %d cmd_id %d cmd_data %x\n", cmd_size, cmd_id, cmd_data);
switch (cmd_id) {
case VIDENC_CMD_ACTIVE:
if (cmd_size < sizeof(videnc_cmd_active))
return -1;
break;
case VIDENC_CMD_IDLE:
if (cmd_size < sizeof(videnc_cmd_idle))
return -1;
x_dimension = y_dimension = 0;
break;
case VIDENC_CMD_STATUS_QUERY:
if (cmd_size < sizeof(videnc_cmd_status_query))
return -1;
break;
case VIDENC_CMD_RC_CFG:
if (cmd_size < sizeof(videnc_cmd_rc_cfg))
return -1;
break;
case VIDENC_CMD_INTRA_REFRESH:
if (cmd_size < sizeof(videnc_cmd_intra_refresh))
return -1;
break;
case VIDENC_CMD_DIGITAL_ZOOM:
if (cmd_size < sizeof(videnc_cmd_digital_zoom))
return -1;
break;
case VIDENC_CMD_DIS_CFG:
if (cmd_size < sizeof(videnc_cmd_dis_cfg))
return -1;
break;
case VIDENC_CMD_CFG:
if (cmd_size < sizeof(videnc_cmd_cfg))
return -1;
config_cmd = (videnc_cmd_cfg *)cmd_data;
x_dimension = ((config_cmd->venc_frame_dim) & 0xFF00)>>8;
x_dimension = x_dimension*16;
y_dimension = (config_cmd->venc_frame_dim) & 0xFF;
y_dimension = y_dimension * 16;
break;
case VIDENC_CMD_FRAME_START:
if (cmd_size < sizeof(videnc_cmd_frame_start))
return -1;
frame_cmd = (videnc_cmd_frame_start *)cmd_data;
luma_buf_size = x_dimension * y_dimension;
chroma_buf_size = luma_buf_size>>1;
frame_buf_size = luma_buf_size + chroma_buf_size;
ptr_to_high_low_short((void *)luma_buf_size,
&luma_buf_size_high,
&luma_buf_size_low);
ptr_to_high_low_short((void *)chroma_buf_size,
&chroma_buf_size_high,
&chroma_buf_size_low);
ptr_to_high_low_short((void *)frame_buf_size,
&frame_buf_size_high,
&frame_buf_size_low);
/* Address of raw Y data. */
if (pmem_fixup_high_low(&frame_cmd->input_luma_addr_high,
&frame_cmd->input_luma_addr_low,
luma_buf_size_high,
luma_buf_size_low,
module,
NULL, NULL))
return -1;
/* Address of raw CbCr data */
if (pmem_fixup_high_low(&frame_cmd->input_chroma_addr_high,
&frame_cmd->input_chroma_addr_low,
chroma_buf_size_high,
chroma_buf_size_low,
module,
NULL, NULL))
return -1;
/* Reference VOP */
if (pmem_fixup_high_low(&frame_cmd->ref_vop_buf_ptr_high,
&frame_cmd->ref_vop_buf_ptr_low,
frame_buf_size_high,
frame_buf_size_low,
module,
NULL, NULL))
return -1;
/* Encoded Packet Address */
if (pmem_fixup_high_low(&frame_cmd->enc_pkt_buf_ptr_high,
&frame_cmd->enc_pkt_buf_ptr_low,
frame_cmd->enc_pkt_buf_size_high,
frame_cmd->enc_pkt_buf_size_low,
module,
NULL, NULL))
return -1;
/* Unfiltered VOP Buffer Address */
if (pmem_fixup_high_low(
&frame_cmd->unfilt_recon_vop_buf_ptr_high,
&frame_cmd->unfilt_recon_vop_buf_ptr_low,
frame_buf_size_high,
frame_buf_size_low,
module,
NULL, NULL))
return -1;
/* Filtered VOP Buffer Address */
if (pmem_fixup_high_low(&frame_cmd->filt_recon_vop_buf_ptr_high,
&frame_cmd->filt_recon_vop_buf_ptr_low,
frame_buf_size_high,
frame_buf_size_low,
module,
NULL, NULL))
return -1;
break;
case VIDENC_CMD_DIS:
if (cmd_size < sizeof(videnc_cmd_dis))
return -1;
dis_cmd = (videnc_cmd_dis *)cmd_data;
luma_buf_size = x_dimension * y_dimension;
ptr_to_high_low_short((void *)luma_buf_size,
&luma_buf_size_high,
&luma_buf_size_low);
/* Prev VFE Luma Output Address */
if (pmem_fixup_high_low(&dis_cmd->vfe_out_prev_luma_addr_high,
&dis_cmd->vfe_out_prev_luma_addr_low,
luma_buf_size_high,
luma_buf_size_low,
module,
NULL, NULL))
return -1;
break;
default:
printk(KERN_INFO "adsp_video:unknown encoder video command %u\n",
cmd_id);
return 0;
}
return 0;
}
int adsp_videoenc_verify_cmd(struct msm_adsp_module *module,
unsigned int queue_id, void *cmd_data,
size_t cmd_size)
{
switch (queue_id) {
case QDSP_mpuVEncCmdQueue:
DLOG("\n");
return verify_venc_cmd(module, cmd_data, cmd_size);
default:
printk(KERN_INFO "unknown video queue %u\n", queue_id);
return 0;
}
}
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