diff options
Diffstat (limited to 'drivers/staging/dream/qdsp5/adsp_video_verify_cmd.c')
| -rw-r--r-- | drivers/staging/dream/qdsp5/adsp_video_verify_cmd.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/drivers/staging/dream/qdsp5/adsp_video_verify_cmd.c b/drivers/staging/dream/qdsp5/adsp_video_verify_cmd.c deleted file mode 100644 index 53aff77cfd9..00000000000 --- a/drivers/staging/dream/qdsp5/adsp_video_verify_cmd.c +++ /dev/null @@ -1,163 +0,0 @@ -/* arch/arm/mach-msm/qdsp5/adsp_video_verify_cmd.c - * - * Verificion code for aDSP VDEC 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/qdsp5vdeccmdi.h> -#include "adsp.h" - -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_vdec_pkt_cmd(struct msm_adsp_module *module, - void *cmd_data, size_t cmd_size) -{ - unsigned short cmd_id = ((unsigned short *)cmd_data)[0]; - viddec_cmd_subframe_pkt *pkt; - unsigned long subframe_pkt_addr; - unsigned long subframe_pkt_size; - viddec_cmd_frame_header_packet *frame_header_pkt; - int i, num_addr, skip; - unsigned short *frame_buffer_high, *frame_buffer_low; - unsigned long frame_buffer_size; - unsigned short frame_buffer_size_high, frame_buffer_size_low; - - DLOG("cmd_size %d cmd_id %d cmd_data %x\n", cmd_size, cmd_id, cmd_data); - if (cmd_id != VIDDEC_CMD_SUBFRAME_PKT) { - printk(KERN_INFO "adsp_video: unknown video packet %u\n", - cmd_id); - return 0; - } - if (cmd_size < sizeof(viddec_cmd_subframe_pkt)) - return -1; - - pkt = (viddec_cmd_subframe_pkt *)cmd_data; - - if (pmem_fixup_high_low(&(pkt->subframe_packet_high), - &(pkt->subframe_packet_low), - pkt->subframe_packet_size_high, - pkt->subframe_packet_size_low, - module, - &subframe_pkt_addr, - &subframe_pkt_size)) - return -1; - - /* deref those ptrs and check if they are a frame header packet */ - frame_header_pkt = (viddec_cmd_frame_header_packet *)subframe_pkt_addr; - - switch (frame_header_pkt->packet_id) { - case 0xB201: /* h.264 */ - num_addr = skip = 8; - break; - case 0x4D01: /* mpeg-4 and h.263 */ - num_addr = 3; - skip = 0; - break; - default: - return 0; - } - - frame_buffer_high = &frame_header_pkt->frame_buffer_0_high; - frame_buffer_low = &frame_header_pkt->frame_buffer_0_low; - frame_buffer_size = (frame_header_pkt->x_dimension * - frame_header_pkt->y_dimension * 3) / 2; - ptr_to_high_low_short((void *)frame_buffer_size, - &frame_buffer_size_high, - &frame_buffer_size_low); - for (i = 0; i < num_addr; i++) { - if (pmem_fixup_high_low(frame_buffer_high, frame_buffer_low, - frame_buffer_size_high, - frame_buffer_size_low, - module, - NULL, NULL)) - return -1; - frame_buffer_high += 2; - frame_buffer_low += 2; - } - /* Patch the output buffer. */ - frame_buffer_high += 2*skip; - frame_buffer_low += 2*skip; - if (pmem_fixup_high_low(frame_buffer_high, frame_buffer_low, - frame_buffer_size_high, - frame_buffer_size_low, module, NULL, NULL)) - return -1; - return 0; -} - -int adsp_video_verify_cmd(struct msm_adsp_module *module, - unsigned int queue_id, void *cmd_data, - size_t cmd_size) -{ - switch (queue_id) { - case QDSP_mpuVDecPktQueue: - DLOG("\n"); - return verify_vdec_pkt_cmd(module, cmd_data, cmd_size); - default: - printk(KERN_INFO "unknown video queue %u\n", queue_id); - return 0; - } -} - |