pnw_cmdbuf.h revision d03b75a0bb7d76d8d05509f5b581ab3b5d36a20d 
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 *    Waldo Bastian <waldo.bastian@intel.com>
27 *    Zeng Li <zeng.li@intel.com>
28 *
29 */
30
31#ifndef _PNW_CMDBUF_H_
32#define _PNW_CMDBUF_H_
33
34#include "psb_drv_video.h"
35#include "psb_surface.h"
36#include "psb_buffer.h"
37#include <linux/psb_drm.h>
38
39#include <stdint.h>
40
41#define MTX_CMDWORD_ID_MASK     (0x7f)
42#define MTX_CMDWORD_ID_SHIFT    (0)
43#define MTX_CMDWORD_CORE_MASK   (0xff)
44#define MTX_CMDWORD_CORE_SHIFT  (8)
45#define MTX_CMDWORD_COUNT_MASK  (0x7fff)
46#define MTX_CMDWORD_COUNT_SHIFT (16)
47#define MTX_CMDWORD_INT_SHIFT   (7)
48#define MTX_CMDWORD_INT_MASK    (1)
49
50#define PNW_CMDBUF_START_PIC_IDX (0)
51#define PNW_CMDBUF_SEQ_HEADER_IDX (1)
52#define PNW_CMDBUF_PIC_HEADER_IDX (2)
53#define PNW_CMDBUF_SEI_BUF_PERIOD_IDX (3)
54#define PNW_CMDBUF_SEI_PIC_TIMING_IDX (4)
55#define PNW_CMDBUF_SAVING_MAX (5)
56
57struct pnw_cmdbuf_s {
58    struct psb_buffer_s buf;
59    unsigned int size;
60
61    /* Relocation records */
62    unsigned char *reloc_base;
63    struct drm_psb_reloc *reloc_idx;
64
65    /* CMD stream data */
66    int cmd_count;
67    unsigned char *cmd_base;
68    unsigned char *cmd_start;
69    uint32_t *cmd_idx;
70    uint32_t *cmd_idx_saved[PNW_CMDBUF_SAVING_MAX]; /* idx saved for dual-core adjustion */
71
72    /* all frames share one topaz param buffer which contains InParamBase
73     * AboveParam/BellowParam, and the buffer allocated when the context is created
74     */
75    struct psb_buffer_s *topaz_in_params_I;
76    unsigned char *topaz_in_params_I_p;
77
78    struct psb_buffer_s *topaz_in_params_P;
79    unsigned char *topaz_in_params_P_p;
80
81    struct psb_buffer_s *topaz_below_params;
82    unsigned char *topaz_below_params_p;
83
84    /* Every frame has its own PIC_PARAMS, SLICE_PARAMS and HEADER mem
85     */
86
87    /* PicParams: */
88    struct psb_buffer_s pic_params;
89    unsigned char *pic_params_p;
90
91    /* SeqHeaderMem PicHeaderMem EOSeqHeaderMem  EOStreamHeaderMem SliceHeaderMem[MAX_SLICES_PER_PICTURE]*/
92    struct psb_buffer_s header_mem;
93    unsigned char *header_mem_p;
94
95    /*SliceParams[MAX_SLICES_PER_PICTURE] */
96    struct psb_buffer_s slice_params;
97    unsigned char *slice_params_p;
98
99    /* AboveParams[MAX_TOPAZ_CORES]; */
100    struct psb_buffer_s *topaz_above_params;
101    unsigned char *topaz_above_params_p;
102
103    /* Referenced buffers */
104    psb_buffer_p *buffer_refs;
105    int buffer_refs_count;
106    int buffer_refs_allocated;
107
108};
109
110typedef struct pnw_cmdbuf_s *pnw_cmdbuf_p;
111
112/*
113 * Create command buffer
114 */
115VAStatus pnw_cmdbuf_create(object_context_p obj_context,
116                           psb_driver_data_p driver_data,
117                           pnw_cmdbuf_p cmdbuf
118                          );
119
120/*
121 * Destroy buffer
122 */
123void pnw_cmdbuf_destroy(pnw_cmdbuf_p cmdbuf);
124
125/*
126 * Reset buffer & map
127 *
128 * Returns 0 on success
129 */
130int pnw_cmdbuf_reset(pnw_cmdbuf_p cmdbuf);
131
132/*
133 * Unmap buffer
134 *
135 * Returns 0 on success
136 */
137int pnw_cmdbuf_unmap(pnw_cmdbuf_p cmdbuf);
138
139/*
140 * Reference an addtional buffer "buf" in the command stream
141 * Returns a reference index that can be used to refer to "buf" in
142 * relocation records, on error -1 is returned.
143 */
144int pnw_cmdbuf_buffer_ref(pnw_cmdbuf_p cmdbuf, psb_buffer_p buf);
145
146/* Creates a relocation record for a DWORD in the mapped "cmdbuf" at address
147 * "addr_in_cmdbuf"
148 * The relocation is based on the device virtual address of "ref_buffer"
149 * "buf_offset" is be added to the device virtual address, and the sum is then
150 * right shifted with "align_shift".
151 * "mask" determines which bits of the target DWORD will be updated with the so
152 * constructed address. The remaining bits will be filled with bits from "background".
153 */
154void pnw_cmdbuf_add_relocation(pnw_cmdbuf_p cmdbuf,
155                               uint32_t *addr_in_dst_buffer,/*addr of dst_buffer for the DWORD*/
156                               psb_buffer_p ref_buffer,
157                               uint32_t buf_offset,
158                               uint32_t mask,
159                               uint32_t background,
160                               uint32_t align_shift,
161                               uint32_t dst_buffer, /*Index of the list refered by cmdbuf->buffer_refs */
162                               uint32_t *start_of_dst_buffer);
163
164#define RELOC_CMDBUF_PNW(dest, offset, buf)     pnw_cmdbuf_add_relocation(cmdbuf, (uint32_t*)(dest), buf, offset, 0XFFFFFFFF, 0, 0, 0, (uint32_t *)cmdbuf->cmd_start)
165
166/* do relocation in PIC_PARAMS: src/dst Y/UV base, InParamsBase, CodeBase, BellowParamsBase, AboveParamsBase */
167#define RELOC_PIC_PARAMS_PNW(dest, offset, buf) pnw_cmdbuf_add_relocation(cmdbuf, (uint32_t*)(dest), buf, offset, 0XFFFFFFFF, 0, 0, 1, (uint32_t *)cmdbuf->pic_params_p)
168
169/* do relocation in SLICE_PARAMS: reference Y/UV base,CodedData */
170#define RELOC_SLICE_PARAMS_PNW(dest, offset, buf)       pnw_cmdbuf_add_relocation(cmdbuf, (uint32_t*)(dest), buf, offset, 0XFFFFFFFF, 0, 0, 2,(uint32_t *)cmdbuf->slice_params_p)
171
172/* operation number is inserted by DRM */
173/*
174#define pnw_cmdbuf_insert_command(cmdbuf,cmdhdr,size,hint)              \
175    do { *cmdbuf->cmd_idx++ = ((cmdhdr) << 1) | ((size)<<8) | ((hint)<<16); } while(0)
176*/
177
178#define pnw_cmdbuf_insert_command_param(param)   \
179    do { *cmdbuf->cmd_idx++ = param; } while(0)
180
181
182#define pnw_cmdbuf_insert_reg_write(base, offset, value)        \
183    do { *cmdbuf->cmd_idx++ = base + offset; *cmdbuf->cmd_idx++ = value; count++; } while(0)
184
185void pnw_cmdbuf_insert_command_package(object_context_p obj_context,
186                                       int32_t core,
187                                       uint32_t cmd_id,
188                                       psb_buffer_p command_data,
189                                       uint32_t offset);
190
191/*
192 * Advances "obj_context" to the next cmdbuf
193 *
194 * Returns 0 on success
195 */
196int pnw_context_get_next_cmdbuf(object_context_p obj_context);
197
198/*
199 * Submits the current cmdbuf
200 *
201 * Returns 0 on success
202 */
203int pnw_context_submit_cmdbuf(object_context_p obj_context);
204
205/*
206 * Get a encode surface FRAMESKIP flag, and store it into frame_skip argument
207 *
208 * Returns 0 on success
209 */
210int pnw_surface_get_frameskip(psb_driver_data_p driver_data, psb_surface_p psb_surface, int *frame_skip);
211
212/*
213 * Flushes the pending cmdbuf
214 *
215 * Return 0 on success
216 */
217int pnw_context_flush_cmdbuf(object_context_p obj_context);
218
219/*
220 * Get the number of paralled cores used.
221 *
222 * Return the number of paralled cores used.
223 */
224int pnw_get_parallel_core_number(object_context_p obj_context);
225#endif /* _PNW_CMDBUF_H_ */
226
227