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/*
* Copyright 2013 Advanced Micro Devices, 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 (including the next
* paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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: Marek Olšák <maraeo@gmail.com>
*/
/**
* This file contains helpers for writing commands to commands streams.
*/
#ifndef R600_CS_H
#define R600_CS_H
#include "r600_pipe_common.h"
#include "r600d_common.h"
/**
* Add a buffer to the buffer list for the given command stream (CS).
*
* All buffers used by a CS must be added to the list. This tells the kernel
* driver which buffers are used by GPU commands. Other buffers can
* be swapped out (not accessible) during execution.
*
* The buffer list becomes empty after every context flush and must be
* rebuilt.
*/
static inline unsigned radeon_add_to_buffer_list(struct r600_common_context *rctx,
struct r600_ring *ring,
struct r600_resource *rbo,
enum radeon_bo_usage usage,
enum radeon_bo_priority priority)
{
assert(usage);
return rctx->ws->cs_add_buffer(ring->cs, rbo->cs_buf, usage,
rbo->domains, priority) * 4;
}
static inline void r600_emit_reloc(struct r600_common_context *rctx,
struct r600_ring *ring, struct r600_resource *rbo,
enum radeon_bo_usage usage,
enum radeon_bo_priority priority)
{
struct radeon_winsys_cs *cs = ring->cs;
bool has_vm = ((struct r600_common_screen*)rctx->b.screen)->info.r600_virtual_address;
unsigned reloc = radeon_add_to_buffer_list(rctx, ring, rbo, usage, priority);
if (!has_vm) {
radeon_emit(cs, PKT3(PKT3_NOP, 0, 0));
radeon_emit(cs, reloc);
}
}
static inline void radeon_set_config_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
{
assert(reg < R600_CONTEXT_REG_OFFSET);
assert(cs->cdw+2+num <= cs->max_dw);
radeon_emit(cs, PKT3(PKT3_SET_CONFIG_REG, num, 0));
radeon_emit(cs, (reg - R600_CONFIG_REG_OFFSET) >> 2);
}
static inline void radeon_set_config_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
{
radeon_set_config_reg_seq(cs, reg, 1);
radeon_emit(cs, value);
}
static inline void radeon_set_context_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
{
assert(reg >= R600_CONTEXT_REG_OFFSET);
assert(cs->cdw+2+num <= cs->max_dw);
radeon_emit(cs, PKT3(PKT3_SET_CONTEXT_REG, num, 0));
radeon_emit(cs, (reg - R600_CONTEXT_REG_OFFSET) >> 2);
}
static inline void radeon_set_context_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
{
radeon_set_context_reg_seq(cs, reg, 1);
radeon_emit(cs, value);
}
static inline void radeon_set_sh_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
{
assert(reg >= SI_SH_REG_OFFSET && reg < SI_SH_REG_END);
assert(cs->cdw+2+num <= cs->max_dw);
radeon_emit(cs, PKT3(PKT3_SET_SH_REG, num, 0));
radeon_emit(cs, (reg - SI_SH_REG_OFFSET) >> 2);
}
static inline void radeon_set_sh_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
{
radeon_set_sh_reg_seq(cs, reg, 1);
radeon_emit(cs, value);
}
static inline void radeon_set_uconfig_reg_seq(struct radeon_winsys_cs *cs, unsigned reg, unsigned num)
{
assert(reg >= CIK_UCONFIG_REG_OFFSET && reg < CIK_UCONFIG_REG_END);
assert(cs->cdw+2+num <= cs->max_dw);
radeon_emit(cs, PKT3(PKT3_SET_UCONFIG_REG, num, 0));
radeon_emit(cs, (reg - CIK_UCONFIG_REG_OFFSET) >> 2);
}
static inline void radeon_set_uconfig_reg(struct radeon_winsys_cs *cs, unsigned reg, unsigned value)
{
radeon_set_uconfig_reg_seq(cs, reg, 1);
radeon_emit(cs, value);
}
#endif
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