blob: b33eba25569c73f1046004de229f0f4b4e79634a [file] [log] [blame]
/* arch/arm/mach-msm/qdsp5/adsp_jpeg_verify_cmd.c
*
* Verification code for aDSP JPEG 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 <mach/qdsp5/qdsp5jpegcmdi.h>
#include "adsp.h"
static uint32_t dec_fmt;
static inline void get_sizes(jpeg_cmd_enc_cfg *cmd, uint32_t *luma_size,
uint32_t *chroma_size)
{
uint32_t fmt, luma_width, luma_height;
fmt = cmd->process_cfg & JPEG_CMD_ENC_PROCESS_CFG_IP_DATA_FORMAT_M;
luma_width = (cmd->ip_size_cfg & JPEG_CMD_IP_SIZE_CFG_LUMA_WIDTH_M)
>> 16;
luma_height = cmd->frag_cfg & JPEG_CMD_FRAG_SIZE_LUMA_HEIGHT_M;
*luma_size = luma_width * luma_height;
if (fmt == JPEG_CMD_ENC_PROCESS_CFG_IP_DATA_FORMAT_H2V2)
*chroma_size = *luma_size/2;
else
*chroma_size = *luma_size;
}
static inline int verify_jpeg_cmd_enc_cfg(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
jpeg_cmd_enc_cfg *cmd = (jpeg_cmd_enc_cfg *)cmd_data;
uint32_t luma_size, chroma_size;
int i, num_frags;
if (cmd_size != sizeof(jpeg_cmd_enc_cfg)) {
printk(KERN_ERR "adsp: module %s: JPEG ENC CFG invalid cmd_size %d\n",
module->name, cmd_size);
return -1;
}
get_sizes(cmd, &luma_size, &chroma_size);
num_frags = (cmd->process_cfg >> 10) & 0xf;
num_frags = ((num_frags == 1) ? num_frags : num_frags * 2);
for (i = 0; i < num_frags; i += 2) {
if (adsp_pmem_fixup(module, (void **)(&cmd->frag_cfg_part[i]), luma_size) ||
adsp_pmem_fixup(module, (void **)(&cmd->frag_cfg_part[i+1]), chroma_size))
return -1;
}
if (adsp_pmem_fixup(module, (void **)&cmd->op_buf_0_cfg_part1,
cmd->op_buf_0_cfg_part2) ||
adsp_pmem_fixup(module, (void **)&cmd->op_buf_1_cfg_part1,
cmd->op_buf_1_cfg_part2))
return -1;
return 0;
}
static inline int verify_jpeg_cmd_dec_cfg(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
jpeg_cmd_dec_cfg *cmd = (jpeg_cmd_dec_cfg *)cmd_data;
uint32_t div;
if (cmd_size != sizeof(jpeg_cmd_dec_cfg)) {
printk(KERN_ERR "adsp: module %s: JPEG DEC CFG invalid cmd_size %d\n",
module->name, cmd_size);
return -1;
}
if (adsp_pmem_fixup(module, (void **)&cmd->ip_stream_buf_cfg_part1,
cmd->ip_stream_buf_cfg_part2) ||
adsp_pmem_fixup(module, (void **)&cmd->op_stream_buf_0_cfg_part1,
cmd->op_stream_buf_0_cfg_part2) ||
adsp_pmem_fixup(module, (void **)&cmd->op_stream_buf_1_cfg_part1,
cmd->op_stream_buf_1_cfg_part2))
return -1;
dec_fmt = cmd->op_data_format &
JPEG_CMD_DEC_OP_DATA_FORMAT_M;
div = (dec_fmt == JPEG_CMD_DEC_OP_DATA_FORMAT_H2V2) ? 2 : 1;
if (adsp_pmem_fixup(module, (void **)&cmd->op_stream_buf_0_cfg_part3,
cmd->op_stream_buf_0_cfg_part2 / div) ||
adsp_pmem_fixup(module, (void **)&cmd->op_stream_buf_1_cfg_part3,
cmd->op_stream_buf_1_cfg_part2 / div))
return -1;
return 0;
}
static int verify_jpeg_cfg_cmd(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
uint32_t cmd_id = ((uint32_t *)cmd_data)[0];
switch(cmd_id) {
case JPEG_CMD_ENC_CFG:
return verify_jpeg_cmd_enc_cfg(module, cmd_data, cmd_size);
case JPEG_CMD_DEC_CFG:
return verify_jpeg_cmd_dec_cfg(module, cmd_data, cmd_size);
default:
if (cmd_id > 1) {
printk(KERN_ERR "adsp: module %s: invalid JPEG CFG cmd_id %d\n", module->name, cmd_id);
return -1;
}
}
return 0;
}
static int verify_jpeg_action_cmd(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
uint32_t cmd_id = ((uint32_t *)cmd_data)[0];
switch (cmd_id) {
case JPEG_CMD_ENC_OP_CONSUMED:
{
jpeg_cmd_enc_op_consumed *cmd =
(jpeg_cmd_enc_op_consumed *)cmd_data;
if (cmd_size != sizeof(jpeg_cmd_enc_op_consumed)) {
printk(KERN_ERR "adsp: module %s: JPEG_CMD_ENC_OP_CONSUMED invalid size %d\n",
module->name, cmd_size);
return -1;
}
if (adsp_pmem_fixup(module, (void **)&cmd->op_buf_addr,
cmd->op_buf_size))
return -1;
}
break;
case JPEG_CMD_DEC_OP_CONSUMED:
{
uint32_t div;
jpeg_cmd_dec_op_consumed *cmd =
(jpeg_cmd_dec_op_consumed *)cmd_data;
if (cmd_size != sizeof(jpeg_cmd_enc_op_consumed)) {
printk(KERN_ERR "adsp: module %s: JPEG_CMD_DEC_OP_CONSUMED invalid size %d\n",
module->name, cmd_size);
return -1;
}
div = (dec_fmt == JPEG_CMD_DEC_OP_DATA_FORMAT_H2V2) ? 2 : 1;
if (adsp_pmem_fixup(module, (void **)&cmd->luma_op_buf_addr,
cmd->luma_op_buf_size) ||
adsp_pmem_fixup(module, (void **)&cmd->chroma_op_buf_addr,
cmd->luma_op_buf_size / div))
return -1;
}
break;
default:
if (cmd_id > 7) {
printk(KERN_ERR "adsp: module %s: invalid cmd_id %d\n",
module->name, cmd_id);
return -1;
}
}
return 0;
}
int adsp_jpeg_verify_cmd(struct msm_adsp_module *module,
unsigned int queue_id, void *cmd_data,
size_t cmd_size)
{
switch(queue_id) {
case QDSP_uPJpegCfgCmdQueue:
return verify_jpeg_cfg_cmd(module, cmd_data, cmd_size);
case QDSP_uPJpegActionCmdQueue:
return verify_jpeg_action_cmd(module, cmd_data, cmd_size);
default:
return -1;
}
}