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#ifdef ANDROID
38#include <drm/ttm/ttm_placement.h>
39#include <linux/psb_drm.h>
40#else
41#include <psb_drm.h>
42#endif
43
44#include <stdint.h>
45
46#define MTX_CMDWORD_ID_MASK     (0x7f)
47#define MTX_CMDWORD_ID_SHIFT    (0)
48#define MTX_CMDWORD_CORE_MASK   (0xff)
49#define MTX_CMDWORD_CORE_SHIFT  (8)
50#define MTX_CMDWORD_COUNT_MASK  (0x7fff)
51#define MTX_CMDWORD_COUNT_SHIFT (16)
52#define MTX_CMDWORD_INT_SHIFT   (7)
53#define MTX_CMDWORD_INT_MASK    (1)
54
55#define PNW_CMDBUF_START_PIC_IDX (0)
56#define PNW_CMDBUF_SEQ_HEADER_IDX (1)
57#define PNW_CMDBUF_PIC_HEADER_IDX (2)
58#define PNW_CMDBUF_SEI_BUF_PERIOD_IDX (3)
59#define PNW_CMDBUF_SEI_PIC_TIMING_IDX (4)
60#define PNW_CMDBUF_SAVING_MAX (5)
61
62struct pnw_cmdbuf_s {
63    struct psb_buffer_s buf;
64    unsigned int size;
65
66    /* Relocation records */
67    unsigned char *reloc_base;
68    struct drm_psb_reloc *reloc_idx;
69
70    /* CMD stream data */
71    int cmd_count;
72    unsigned char *cmd_base;
73    unsigned char *cmd_start;
74    uint32_t *cmd_idx;
75    uint32_t *cmd_idx_saved[PNW_CMDBUF_SAVING_MAX]; /* idx saved for dual-core adjustion */
76
77    /* all frames share one topaz param buffer which contains InParamBase
78     * AboveParam/BellowParam, and the buffer allocated when the context is created
79     */
80    struct psb_buffer_s *topaz_in_params_I;
81    unsigned char *topaz_in_params_I_p;
82
83    struct psb_buffer_s *topaz_in_params_P;
84    unsigned char *topaz_in_params_P_p;
85
86    struct psb_buffer_s *topaz_below_params;
87    unsigned char *topaz_below_params_p;
88
89    /* Every frame has its own PIC_PARAMS, SLICE_PARAMS and HEADER mem
90     */
91
92    /* PicParams: */
93    struct psb_buffer_s pic_params;
94    unsigned char *pic_params_p;
95
96    /* SeqHeaderMem PicHeaderMem EOSeqHeaderMem  EOStreamHeaderMem SliceHeaderMem[MAX_SLICES_PER_PICTURE]*/
97    struct psb_buffer_s header_mem;
98    unsigned char *header_mem_p;
99
100    /*SliceParams[MAX_SLICES_PER_PICTURE] */
101    struct psb_buffer_s slice_params;
102    unsigned char *slice_params_p;
103
104    /* AboveParams[MAX_TOPAZ_CORES]; */
105    struct psb_buffer_s *topaz_above_params;
106    unsigned char *topaz_above_params_p;
107
108    /* Referenced buffers */
109    psb_buffer_p *buffer_refs;
110    int buffer_refs_count;
111    int buffer_refs_allocated;
112
113};
114
115typedef struct pnw_cmdbuf_s *pnw_cmdbuf_p;
116
117/*
118 * Create command buffer
119 */
120VAStatus pnw_cmdbuf_create(object_context_p obj_context,
121                           psb_driver_data_p driver_data,
122                           pnw_cmdbuf_p cmdbuf
123                          );
124
125/*
126 * Destroy buffer
127 */
128void pnw_cmdbuf_destroy(pnw_cmdbuf_p cmdbuf);
129
130/*
131 * Reset buffer & map
132 *
133 * Returns 0 on success
134 */
135int pnw_cmdbuf_reset(pnw_cmdbuf_p cmdbuf);
136
137/*
138 * Unmap buffer
139 *
140 * Returns 0 on success
141 */
142int pnw_cmdbuf_unmap(pnw_cmdbuf_p cmdbuf);
143
144/*
145 * Reference an addtional buffer "buf" in the command stream
146 * Returns a reference index that can be used to refer to "buf" in
147 * relocation records, on error -1 is returned.
148 */
149int pnw_cmdbuf_buffer_ref(pnw_cmdbuf_p cmdbuf, psb_buffer_p buf);
150
151/* Creates a relocation record for a DWORD in the mapped "cmdbuf" at address
152 * "addr_in_cmdbuf"
153 * The relocation is based on the device virtual address of "ref_buffer"
154 * "buf_offset" is be added to the device virtual address, and the sum is then
155 * right shifted with "align_shift".
156 * "mask" determines which bits of the target DWORD will be updated with the so
157 * constructed address. The remaining bits will be filled with bits from "background".
158 */
159void pnw_cmdbuf_add_relocation(pnw_cmdbuf_p cmdbuf,
160                               uint32_t *addr_in_dst_buffer,/*addr of dst_buffer for the DWORD*/
161                               psb_buffer_p ref_buffer,
162                               uint32_t buf_offset,
163                               uint32_t mask,
164                               uint32_t background,
165                               uint32_t align_shift,
166                               uint32_t dst_buffer, /*Index of the list refered by cmdbuf->buffer_refs */
167                               uint32_t *start_of_dst_buffer);
168
169#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)
170
171/* do relocation in PIC_PARAMS: src/dst Y/UV base, InParamsBase, CodeBase, BellowParamsBase, AboveParamsBase */
172#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)
173
174/* do relocation in SLICE_PARAMS: reference Y/UV base,CodedData */
175#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)
176
177/* operation number is inserted by DRM */
178/*
179#define pnw_cmdbuf_insert_command(cmdbuf,cmdhdr,size,hint)              \
180    do { *cmdbuf->cmd_idx++ = ((cmdhdr) << 1) | ((size)<<8) | ((hint)<<16); } while(0)
181*/
182
183#define pnw_cmdbuf_insert_command_param(param)   \
184    do { *cmdbuf->cmd_idx++ = param; } while(0)
185
186
187#define pnw_cmdbuf_insert_reg_write(base, offset, value)        \
188    do { *cmdbuf->cmd_idx++ = base + offset; *cmdbuf->cmd_idx++ = value; count++; } while(0)
189
190void pnw_cmdbuf_insert_command_package(object_context_p obj_context,
191                                       int32_t core,
192                                       uint32_t cmd_id,
193                                       psb_buffer_p command_data,
194                                       uint32_t offset);
195
196/*
197 * Advances "obj_context" to the next cmdbuf
198 *
199 * Returns 0 on success
200 */
201int pnw_context_get_next_cmdbuf(object_context_p obj_context);
202
203/*
204 * Submits the current cmdbuf
205 *
206 * Returns 0 on success
207 */
208int pnw_context_submit_cmdbuf(object_context_p obj_context);
209
210/*
211 * Get a encode surface FRAMESKIP flag, and store it into frame_skip argument
212 *
213 * Returns 0 on success
214 */
215int pnw_surface_get_frameskip(psb_driver_data_p driver_data, psb_surface_p psb_surface, int *frame_skip);
216
217/*
218 * Flushes the pending cmdbuf
219 *
220 * Return 0 on success
221 */
222int pnw_context_flush_cmdbuf(object_context_p obj_context);
223
224/*
225 * Get the number of paralled cores used.
226 *
227 * Return the number of paralled cores used.
228 */
229int pnw_get_parallel_core_number(object_context_p obj_context);
230#endif /* _PNW_CMDBUF_H_ */
231
232