diff options
Diffstat (limited to 'drivers/staging/dream/qdsp5/adsp_jpeg_verify_cmd.c')
| -rw-r--r-- | drivers/staging/dream/qdsp5/adsp_jpeg_verify_cmd.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/drivers/staging/dream/qdsp5/adsp_jpeg_verify_cmd.c b/drivers/staging/dream/qdsp5/adsp_jpeg_verify_cmd.c new file mode 100644 index 000000000000..b33eba25569c --- /dev/null +++ b/drivers/staging/dream/qdsp5/adsp_jpeg_verify_cmd.c @@ -0,0 +1,182 @@ +/* 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; + } +} + |