67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/* arch/arm/mach-msm/qdsp5/adsp_lpm_verify_cmd.c
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*
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* Verificion code for aDSP LPM packets from userspace.
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*
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* Copyright (C) 2008 Google, Inc.
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* Copyright (c) 2008-2009, The Linux Foundation. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <mach/qdsp5/qdsp5lpmcmdi.h>
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#include "adsp.h"
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#include <mach/debug_mm.h>
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int adsp_lpm_verify_cmd(struct msm_adsp_module *module,
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unsigned int queue_id, void *cmd_data,
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size_t cmd_size)
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{
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uint32_t cmd_id, col_height, input_row_incr, output_row_incr,
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input_size, output_size;
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uint32_t size_mask = 0x0fff;
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lpm_cmd_start *cmd;
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if (queue_id != QDSP_lpmCommandQueue) {
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MM_ERR("module %s: wrong queue id %d\n",
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module->name, queue_id);
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return -1;
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}
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cmd = (lpm_cmd_start *)cmd_data;
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cmd_id = cmd->cmd_id;
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if (cmd_id == LPM_CMD_START) {
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if (cmd_size != sizeof(lpm_cmd_start)) {
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MM_ERR("module %s: wrong size %d, \
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expect %d\n", module->name,
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cmd_size, sizeof(lpm_cmd_start));
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return -1;
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}
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col_height = cmd->ip_data_cfg_part1 & size_mask;
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input_row_incr = cmd->ip_data_cfg_part2 & size_mask;
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output_row_incr = cmd->op_data_cfg_part1 & size_mask;
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input_size = col_height * input_row_incr;
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output_size = col_height * output_row_incr;
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if ((cmd->ip_data_cfg_part4 && adsp_pmem_fixup(module,
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(void **)(&cmd->ip_data_cfg_part4),
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input_size)) ||
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(cmd->op_data_cfg_part3 && adsp_pmem_fixup(module,
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(void **)(&cmd->op_data_cfg_part3),
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output_size)))
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return -1;
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} else if (cmd_id > 1) {
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MM_ERR("module %s: invalid cmd_id %d\n", module->name, cmd_id);
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return -1;
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}
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return 0;
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}
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