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      1 /*
      2  * Copyright (c) 2011 Intel Corporation. All Rights Reserved.
      3  * Copyright (c) Imagination Technologies Limited, UK
      4  *
      5  * Permission is hereby granted, free of charge, to any person obtaining a
      6  * copy of this software and associated documentation files (the
      7  * "Software"), to deal in the Software without restriction, including
      8  * without limitation the rights to use, copy, modify, merge, publish,
      9  * distribute, sub license, and/or sell copies of the Software, and to
     10  * permit persons to whom the Software is furnished to do so, subject to
     11  * the following conditions:
     12  *
     13  * The above copyright notice and this permission notice (including the
     14  * next paragraph) shall be included in all copies or substantial portions
     15  * of the Software.
     16  *
     17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     20  * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
     21  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     22  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     23  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     24  *
     25  * Authors:
     26  *    Zeng Li <zeng.li (at) intel.com>
     27  *    Shengquan Yuan  <shengquan.yuan (at) intel.com>
     28  *    Binglin Chen <binglin.chen (at) intel.com>
     29  *
     30  */
     31 
     32 #ifndef _LNC_CMDBUF_H_
     33 #define _LNC_CMDBUF_H_
     34 
     35 #include "psb_drv_video.h"
     36 #include "psb_surface.h"
     37 #include "psb_buffer.h"
     38 #ifdef ANDROID
     39 #include <linux/psb_drm.h>
     40 #else
     41 #include "psb_drm.h"
     42 #endif
     43 
     44 #include <stdint.h>
     45 
     46 
     47 struct lnc_cmdbuf_s {
     48     struct psb_buffer_s buf;
     49     unsigned int size;
     50 
     51     /* Relocation records */
     52     unsigned char *reloc_base;
     53     struct drm_psb_reloc *reloc_idx;
     54 
     55     /* CMD stream data */
     56     int cmd_count;
     57     unsigned char *cmd_base;
     58     unsigned char *cmd_start;
     59     uint32_t *cmd_idx;
     60     uint32_t *cmd_idx_saved_frameskip; /* idx saved for frameskip redo */
     61 
     62     /* all frames share one topaz param buffer which contains InParamBase
     63      * AboveParam/BellowParam, and the buffer allocated when the context is created
     64      */
     65     struct psb_buffer_s *topaz_in_params_I;
     66     struct psb_buffer_s *topaz_in_params_P;
     67     struct psb_buffer_s *topaz_above_bellow_params;
     68     unsigned char *topaz_in_params_I_p;
     69     unsigned char *topaz_in_params_P_p;
     70     unsigned char *topaz_above_bellow_params_p;
     71 
     72     /* Every frame has its own PIC_PARAMS, SLICE_PARAMS and HEADER mem
     73      */
     74 
     75     /* PicParams: */
     76     struct psb_buffer_s pic_params;
     77     unsigned char *pic_params_p;
     78 
     79     /* SeqHeaderMem PicHeaderMem EOSeqHeaderMem  EOStreamHeaderMem SliceHeaderMem[MAX_SLICES_PER_PICTURE]*/
     80     struct psb_buffer_s header_mem;
     81     unsigned char *header_mem_p;
     82 
     83     /*SliceParams[MAX_SLICES_PER_PICTURE] */
     84     struct psb_buffer_s slice_params;
     85     unsigned char *slice_params_p;
     86 
     87     /* Referenced buffers */
     88     psb_buffer_p *buffer_refs;
     89     int buffer_refs_count;
     90     int buffer_refs_allocated;
     91 
     92 };
     93 
     94 typedef struct lnc_cmdbuf_s *lnc_cmdbuf_p;
     95 
     96 /*
     97  * Create command buffer
     98  */
     99 VAStatus lnc_cmdbuf_create(object_context_p obj_context,
    100                            psb_driver_data_p driver_data,
    101                            lnc_cmdbuf_p cmdbuf
    102                           );
    103 
    104 /*
    105  * Destroy buffer
    106  */
    107 void lnc_cmdbuf_destroy(lnc_cmdbuf_p cmdbuf);
    108 
    109 /*
    110  * Reset buffer & map
    111  *
    112  * Returns 0 on success
    113  */
    114 int lnc_cmdbuf_reset(lnc_cmdbuf_p cmdbuf);
    115 
    116 /*
    117  * Unmap buffer
    118  *
    119  * Returns 0 on success
    120  */
    121 int lnc_cmdbuf_unmap(lnc_cmdbuf_p cmdbuf);
    122 
    123 /*
    124  * Reference an addtional buffer "buf" in the command stream
    125  * Returns a reference index that can be used to refer to "buf" in
    126  * relocation records, on error -1 is returned.
    127  */
    128 int lnc_cmdbuf_buffer_ref(lnc_cmdbuf_p cmdbuf, psb_buffer_p buf);
    129 
    130 /* Creates a relocation record for a DWORD in the mapped "cmdbuf" at address
    131  * "addr_in_cmdbuf"
    132  * The relocation is based on the device virtual address of "ref_buffer"
    133  * "buf_offset" is be added to the device virtual address, and the sum is then
    134  * right shifted with "align_shift".
    135  * "mask" determines which bits of the target DWORD will be updated with the so
    136  * constructed address. The remaining bits will be filled with bits from "background".
    137  */
    138 void lnc_cmdbuf_add_relocation(lnc_cmdbuf_p cmdbuf,
    139                                uint32_t *addr_in_dst_buffer,/*addr of dst_buffer for the DWORD*/
    140                                psb_buffer_p ref_buffer,
    141                                uint32_t buf_offset,
    142                                uint32_t mask,
    143                                uint32_t background,
    144                                uint32_t align_shift,
    145                                uint32_t dst_buffer, /*Index of the list refered by cmdbuf->buffer_refs */
    146                                uint32_t *start_of_dst_buffer);
    147 
    148 #define RELOC_CMDBUF(dest, offset, buf) lnc_cmdbuf_add_relocation(cmdbuf, (uint32_t*)(dest), buf, offset, 0XFFFFFFFF, 0, 0, 0, (uint32_t *)cmdbuf->cmd_start)
    149 
    150 /* do relocation in PIC_PARAMS: src/dst Y/UV base, InParamsBase, CodeBase, BellowParamsBase, AboveParamsBase */
    151 #define RELOC_PIC_PARAMS(dest, offset, buf)     lnc_cmdbuf_add_relocation(cmdbuf, (uint32_t*)(dest), buf, offset, 0XFFFFFFFF, 0, 0, 1, (uint32_t *)cmdbuf->pic_params_p)
    152 
    153 /* do relocation in SLICE_PARAMS: reference Y/UV base,CodedData */
    154 #define RELOC_SLICE_PARAMS(dest, offset, buf)   lnc_cmdbuf_add_relocation(cmdbuf, (uint32_t*)(dest), buf, offset, 0XFFFFFFFF, 0, 0, 2,(uint32_t *)cmdbuf->slice_params_p)
    155 
    156 /* operation number is inserted by DRM */
    157 #define lnc_cmdbuf_insert_command(cmdbuf,cmdhdr,size,hint)              \
    158     do { *cmdbuf->cmd_idx++ = ((cmdhdr) << 1) | ((size)<<8) | ((hint)<<16); } while(0)
    159 
    160 #define lnc_cmdbuf_insert_command_param(cmdbuf,param)   \
    161     do { *cmdbuf->cmd_idx++ = param; } while(0)
    162 
    163 
    164 /*
    165  * Advances "obj_context" to the next cmdbuf
    166  *
    167  * Returns 0 on success
    168  */
    169 int lnc_context_get_next_cmdbuf(object_context_p obj_context);
    170 
    171 /*
    172  * Submits the current cmdbuf
    173  *
    174  * Returns 0 on success
    175  */
    176 int lnc_context_submit_cmdbuf(object_context_p obj_context);
    177 
    178 /*
    179  * Get a encode surface FRAMESKIP flag, and store it into frame_skip argument
    180  *
    181  * Returns 0 on success
    182  */
    183 int lnc_surface_get_frameskip(psb_driver_data_p driver_data, psb_surface_p psb_surface, int *frame_skip);
    184 
    185 /*
    186  * Flushes the pending cmdbuf
    187  *
    188  * Return 0 on success
    189  */
    190 int lnc_context_flush_cmdbuf(object_context_p obj_context);
    191 
    192 #endif /* _LNC_CMDBUF_H_ */
    193 
    194