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/*
* Mesa 3-D graphics library
*
* Copyright (C) 2014 LunarG, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Chia-I Wu <olv@lunarg.com>
*/
#ifndef ILO_BUILDER_MI_H
#define ILO_BUILDER_MI_H
#include "genhw/genhw.h"
#include "intel_winsys.h"
#include "ilo_common.h"
#include "ilo_builder.h"
static inline void
gen6_MI_STORE_DATA_IMM(struct ilo_builder *builder,
struct intel_bo *bo, uint32_t bo_offset,
uint64_t val)
{
const uint8_t cmd_len = (ilo_dev_gen(builder->dev) >= ILO_GEN(8)) ? 6 : 5;
uint32_t reloc_flags = INTEL_RELOC_WRITE;
uint32_t *dw;
unsigned pos;
ILO_DEV_ASSERT(builder->dev, 6, 8);
assert(bo_offset % 8 == 0);
pos = ilo_builder_batch_pointer(builder, cmd_len, &dw);
dw[0] = GEN6_MI_CMD(MI_STORE_DATA_IMM) | (cmd_len - 2);
/* must use GGTT on GEN6 as in PIPE_CONTROL */
if (ilo_dev_gen(builder->dev) == ILO_GEN(6)) {
dw[0] |= GEN6_MI_STORE_DATA_IMM_DW0_USE_GGTT;
reloc_flags |= INTEL_RELOC_GGTT;
}
dw[1] = 0; /* MBZ */
if (ilo_dev_gen(builder->dev) >= ILO_GEN(8)) {
dw[4] = (uint32_t) val;
dw[5] = (uint32_t) (val >> 32);
ilo_builder_batch_reloc64(builder, pos + 2, bo, bo_offset, reloc_flags);
} else {
dw[3] = (uint32_t) val;
dw[4] = (uint32_t) (val >> 32);
ilo_builder_batch_reloc(builder, pos + 2, bo, bo_offset, reloc_flags);
}
}
static inline void
gen6_MI_LOAD_REGISTER_IMM(struct ilo_builder *builder,
uint32_t reg, uint32_t val)
{
const uint8_t cmd_len = 3;
uint32_t *dw;
ILO_DEV_ASSERT(builder->dev, 6, 8);
assert(reg % 4 == 0);
ilo_builder_batch_pointer(builder, cmd_len, &dw);
dw[0] = GEN6_MI_CMD(MI_LOAD_REGISTER_IMM) | (cmd_len - 2);
dw[1] = reg;
dw[2] = val;
}
static inline void
gen6_MI_STORE_REGISTER_MEM(struct ilo_builder *builder, uint32_t reg,
struct intel_bo *bo, uint32_t bo_offset)
{
const uint8_t cmd_len = (ilo_dev_gen(builder->dev) >= ILO_GEN(8)) ? 4 : 3;
uint32_t reloc_flags = INTEL_RELOC_WRITE;
uint32_t *dw;
unsigned pos;
ILO_DEV_ASSERT(builder->dev, 6, 8);
assert(reg % 4 == 0 && bo_offset % 4 == 0);
pos = ilo_builder_batch_pointer(builder, cmd_len, &dw);
dw[0] = GEN6_MI_CMD(MI_STORE_REGISTER_MEM) | (cmd_len - 2);
dw[1] = reg;
if (ilo_dev_gen(builder->dev) >= ILO_GEN(8)) {
ilo_builder_batch_reloc64(builder, pos + 2, bo, bo_offset, reloc_flags);
} else {
/* must use GGTT on Gen6 as in PIPE_CONTROL */
if (ilo_dev_gen(builder->dev) == ILO_GEN(6)) {
dw[0] |= GEN6_MI_STORE_REGISTER_MEM_DW0_USE_GGTT;
reloc_flags |= INTEL_RELOC_GGTT;
}
ilo_builder_batch_reloc(builder, pos + 2, bo, bo_offset, reloc_flags);
}
}
static inline void
gen6_MI_FLUSH_DW(struct ilo_builder *builder)
{
const uint8_t cmd_len = 4;
uint32_t *dw;
ILO_DEV_ASSERT(builder->dev, 6, 8);
ilo_builder_batch_pointer(builder, cmd_len, &dw);
dw[0] = GEN6_MI_CMD(MI_FLUSH_DW) | (cmd_len - 2);
dw[1] = 0;
dw[2] = 0;
dw[3] = 0;
}
static inline void
gen6_MI_REPORT_PERF_COUNT(struct ilo_builder *builder,
struct intel_bo *bo, uint32_t bo_offset,
uint32_t report_id)
{
const uint8_t cmd_len = 3;
uint32_t reloc_flags = INTEL_RELOC_WRITE;
uint32_t *dw;
unsigned pos;
ILO_DEV_ASSERT(builder->dev, 6, 7.5);
assert(bo_offset % 64 == 0);
/* must use GGTT on GEN6 as in PIPE_CONTROL */
if (ilo_dev_gen(builder->dev) == ILO_GEN(6)) {
bo_offset |= GEN6_MI_REPORT_PERF_COUNT_DW1_USE_GGTT;
reloc_flags |= INTEL_RELOC_GGTT;
}
pos = ilo_builder_batch_pointer(builder, cmd_len, &dw);
dw[0] = GEN6_MI_CMD(MI_REPORT_PERF_COUNT) | (cmd_len - 2);
dw[2] = report_id;
ilo_builder_batch_reloc(builder, pos + 1, bo, bo_offset, reloc_flags);
}
static inline void
gen7_MI_LOAD_REGISTER_MEM(struct ilo_builder *builder, uint32_t reg,
struct intel_bo *bo, uint32_t bo_offset)
{
const uint8_t cmd_len = (ilo_dev_gen(builder->dev) >= ILO_GEN(8)) ? 4 : 3;
uint32_t *dw;
unsigned pos;
ILO_DEV_ASSERT(builder->dev, 7, 8);
assert(reg % 4 == 0 && bo_offset % 4 == 0);
pos = ilo_builder_batch_pointer(builder, cmd_len, &dw);
dw[0] = GEN7_MI_CMD(MI_LOAD_REGISTER_MEM) | (cmd_len - 2);
dw[1] = reg;
if (ilo_dev_gen(builder->dev) >= ILO_GEN(8))
ilo_builder_batch_reloc64(builder, pos + 2, bo, bo_offset, 0);
else
ilo_builder_batch_reloc(builder, pos + 2, bo, bo_offset, 0);
}
/**
* Add a MI_BATCH_BUFFER_END to the batch buffer. Pad with MI_NOOP if
* necessary.
*/
static inline void
gen6_mi_batch_buffer_end(struct ilo_builder *builder)
{
/*
* From the Sandy Bridge PRM, volume 1 part 1, page 107:
*
* "The batch buffer must be QWord aligned and a multiple of QWords in
* length."
*/
const bool pad = !(builder->writers[ILO_BUILDER_WRITER_BATCH].used & 0x7);
uint32_t *dw;
ILO_DEV_ASSERT(builder->dev, 6, 8);
if (pad) {
ilo_builder_batch_pointer(builder, 2, &dw);
dw[0] = GEN6_MI_CMD(MI_BATCH_BUFFER_END);
dw[1] = GEN6_MI_CMD(MI_NOOP);
} else {
ilo_builder_batch_pointer(builder, 1, &dw);
dw[0] = GEN6_MI_CMD(MI_BATCH_BUFFER_END);
}
}
#endif /* ILO_BUILDER_MI_H */
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