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*
* Verification code for aDSP VFE 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/qdsp5vfecmdi.h>
#include "adsp.h"
static uint32_t size1_y, size2_y, size1_cbcr, size2_cbcr;
static uint32_t af_size = 4228;
static uint32_t awb_size = 8196;
static inline int verify_cmd_op_ack(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
vfe_cmd_op1_ack *cmd = (vfe_cmd_op1_ack *)cmd_data;
void **addr_y = (void **)&cmd->op1_buf_y_addr;
void **addr_cbcr = (void **)(&cmd->op1_buf_cbcr_addr);
if (cmd_size != sizeof(vfe_cmd_op1_ack))
return -1;
if ((*addr_y && adsp_pmem_fixup(module, addr_y, size1_y)) ||
(*addr_cbcr && adsp_pmem_fixup(module, addr_cbcr, size1_cbcr)))
return -1;
return 0;
}
static inline int verify_cmd_stats_autofocus_cfg(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
int i;
vfe_cmd_stats_autofocus_cfg *cmd =
(vfe_cmd_stats_autofocus_cfg *)cmd_data;
if (cmd_size != sizeof(vfe_cmd_stats_autofocus_cfg))
return -1;
for (i = 0; i < 3; i++) {
void **addr = (void **)(&cmd->af_stats_op_buf[i]);
if (*addr && adsp_pmem_fixup(module, addr, af_size))
return -1;
}
return 0;
}
static inline int verify_cmd_stats_wb_exp_cfg(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
vfe_cmd_stats_wb_exp_cfg *cmd =
(vfe_cmd_stats_wb_exp_cfg *)cmd_data;
int i;
if (cmd_size != sizeof(vfe_cmd_stats_wb_exp_cfg))
return -1;
for (i = 0; i < 3; i++) {
void **addr = (void **)(&cmd->wb_exp_stats_op_buf[i]);
if (*addr && adsp_pmem_fixup(module, addr, awb_size))
return -1;
}
return 0;
}
static inline int verify_cmd_stats_af_ack(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
vfe_cmd_stats_af_ack *cmd = (vfe_cmd_stats_af_ack *)cmd_data;
void **addr = (void **)&cmd->af_stats_op_buf;
if (cmd_size != sizeof(vfe_cmd_stats_af_ack))
return -1;
if (*addr && adsp_pmem_fixup(module, addr, af_size))
return -1;
return 0;
}
static inline int verify_cmd_stats_wb_exp_ack(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
vfe_cmd_stats_wb_exp_ack *cmd =
(vfe_cmd_stats_wb_exp_ack *)cmd_data;
void **addr = (void **)&cmd->wb_exp_stats_op_buf;
if (cmd_size != sizeof(vfe_cmd_stats_wb_exp_ack))
return -1;
if (*addr && adsp_pmem_fixup(module, addr, awb_size))
return -1;
return 0;
}
static int verify_vfe_command(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 VFE_CMD_OP1_ACK:
return verify_cmd_op_ack(module, cmd_data, cmd_size);
case VFE_CMD_OP2_ACK:
return verify_cmd_op_ack(module, cmd_data, cmd_size);
case VFE_CMD_STATS_AUTOFOCUS_CFG:
return verify_cmd_stats_autofocus_cfg(module, cmd_data,
cmd_size);
case VFE_CMD_STATS_WB_EXP_CFG:
return verify_cmd_stats_wb_exp_cfg(module, cmd_data, cmd_size);
case VFE_CMD_STATS_AF_ACK:
return verify_cmd_stats_af_ack(module, cmd_data, cmd_size);
case VFE_CMD_STATS_WB_EXP_ACK:
return verify_cmd_stats_wb_exp_ack(module, cmd_data, cmd_size);
default:
if (cmd_id > 29) {
printk(KERN_ERR "adsp: module %s: invalid VFE command id %d\n", module->name, cmd_id);
return -1;
}
}
return 0;
}
static int verify_vfe_command_scale(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
uint32_t cmd_id = ((uint32_t *)cmd_data)[0];
// FIXME: check the size
if (cmd_id > 1) {
printk(KERN_ERR "adsp: module %s: invalid VFE SCALE command id %d\n", module->name, cmd_id);
return -1;
}
return 0;
}
static uint32_t get_size(uint32_t hw)
{
uint32_t height, width;
uint32_t height_mask = 0x3ffc;
uint32_t width_mask = 0x3ffc000;
height = (hw & height_mask) >> 2;
width = (hw & width_mask) >> 14 ;
return height * width;
}
static int verify_vfe_command_table(struct msm_adsp_module *module,
void *cmd_data, size_t cmd_size)
{
uint32_t cmd_id = ((uint32_t *)cmd_data)[0];
int i;
switch (cmd_id) {
case VFE_CMD_AXI_IP_CFG:
{
vfe_cmd_axi_ip_cfg *cmd = (vfe_cmd_axi_ip_cfg *)cmd_data;
uint32_t size;
if (cmd_size != sizeof(vfe_cmd_axi_ip_cfg)) {
printk(KERN_ERR "adsp: module %s: invalid VFE TABLE (VFE_CMD_AXI_IP_CFG) command size %d\n",
module->name, cmd_size);
return -1;
}
size = get_size(cmd->ip_cfg_part2);
for (i = 0; i < 8; i++) {
void **addr = (void **)
&cmd->ip_buf_addr[i];
if (*addr && adsp_pmem_fixup(module, addr, size))
return -1;
}
}
case VFE_CMD_AXI_OP_CFG:
{
vfe_cmd_axi_op_cfg *cmd = (vfe_cmd_axi_op_cfg *)cmd_data;
void **addr1_y, **addr2_y, **addr1_cbcr, **addr2_cbcr;
if (cmd_size != sizeof(vfe_cmd_axi_op_cfg)) {
printk(KERN_ERR "adsp: module %s: invalid VFE TABLE (VFE_CMD_AXI_OP_CFG) command size %d\n",
module->name, cmd_size);
return -1;
}
size1_y = get_size(cmd->op1_y_cfg_part2);
size1_cbcr = get_size(cmd->op1_cbcr_cfg_part2);
size2_y = get_size(cmd->op2_y_cfg_part2);
size2_cbcr = get_size(cmd->op2_cbcr_cfg_part2);
for (i = 0; i < 8; i++) {
addr1_y = (void **)(&cmd->op1_buf1_addr[2*i]);
addr1_cbcr = (void **)(&cmd->op1_buf1_addr[2*i+1]);
addr2_y = (void **)(&cmd->op2_buf1_addr[2*i]);
addr2_cbcr = (void **)(&cmd->op2_buf1_addr[2*i+1]);
/*
printk("module %s: [%d] %p %p %p %p\n",
module->name, i,
*addr1_y, *addr1_cbcr, *addr2_y, *addr2_cbcr);
*/
if ((*addr1_y && adsp_pmem_fixup(module, addr1_y, size1_y)) ||
(*addr1_cbcr && adsp_pmem_fixup(module, addr1_cbcr, size1_cbcr)) ||
(*addr2_y && adsp_pmem_fixup(module, addr2_y, size2_y)) ||
(*addr2_cbcr && adsp_pmem_fixup(module, addr2_cbcr, size2_cbcr)))
return -1;
}
}
default:
if (cmd_id > 4) {
printk(KERN_ERR "adsp: module %s: invalid VFE TABLE command id %d\n",
module->name, cmd_id);
return -1;
}
}
return 0;
}
int adsp_vfe_verify_cmd(struct msm_adsp_module *module,
unsigned int queue_id, void *cmd_data,
size_t cmd_size)
{
switch (queue_id) {
case QDSP_vfeCommandQueue:
return verify_vfe_command(module, cmd_data, cmd_size);
case QDSP_vfeCommandScaleQueue:
return verify_vfe_command_scale(module, cmd_data, cmd_size);
case QDSP_vfeCommandTableQueue:
return verify_vfe_command_table(module, cmd_data, cmd_size);
default:
printk(KERN_ERR "adsp: module %s: unknown queue id %d\n",
module->name, queue_id);
return -1;
}
}
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